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			5670 lines
		
	
	
		
			149 KiB
		
	
	
	
		
			C
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			5670 lines
		
	
	
		
			149 KiB
		
	
	
	
		
			C
		
	
	
		
			Executable File
		
	
	
	
	
|  /*
 | |
|  * Asterisk -- A telephony toolkit for Linux.
 | |
|  *
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|  * Core PBX routines.
 | |
|  * 
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|  * Copyright (C) 1999 - 2005, Digium, Inc.
 | |
|  *
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|  * Mark Spencer <markster@digium.com>
 | |
|  *
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|  * This program is free software, distributed under the terms of
 | |
|  * the GNU General Public License
 | |
|  */
 | |
| 
 | |
| #include <asterisk/lock.h>
 | |
| #include <asterisk/cli.h>
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| #include <asterisk/pbx.h>
 | |
| #include <asterisk/channel.h>
 | |
| #include <asterisk/options.h>
 | |
| #include <asterisk/logger.h>
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| #include <asterisk/file.h>
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| #include <asterisk/callerid.h>
 | |
| #include <asterisk/cdr.h>
 | |
| #include <asterisk/config.h>
 | |
| #include <asterisk/term.h>
 | |
| #include <asterisk/manager.h>
 | |
| #include <asterisk/ast_expr.h>
 | |
| #include <asterisk/channel_pvt.h>
 | |
| #include <asterisk/linkedlists.h>
 | |
| #include <asterisk/say.h>
 | |
| #include <asterisk/utils.h>
 | |
| #include <asterisk/causes.h>
 | |
| #include <string.h>
 | |
| #include <unistd.h>
 | |
| #include <stdlib.h>
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| #include <stdio.h>
 | |
| #include <setjmp.h>
 | |
| #include <ctype.h>
 | |
| #include <errno.h>
 | |
| #include <time.h>
 | |
| #include <sys/time.h>
 | |
| #include "asterisk.h"
 | |
| 
 | |
| /*
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|  * I M P O R T A N T :
 | |
|  *
 | |
|  *		The speed of extension handling will likely be among the most important
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|  * aspects of this PBX.  The switching scheme as it exists right now isn't
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|  * terribly bad (it's O(N+M), where N is the # of extensions and M is the avg #
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|  * of priorities, but a constant search time here would be great ;-) 
 | |
|  *
 | |
|  */
 | |
| 
 | |
| #ifdef LOW_MEMORY
 | |
| #define EXT_DATA_SIZE 256
 | |
| #else
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| #define EXT_DATA_SIZE 8192
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| #endif
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| 
 | |
| #define SWITCH_DATA_LENGTH 256
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| 
 | |
| 
 | |
| #define	VAR_NORMAL		1
 | |
| #define	VAR_SOFTTRAN	2
 | |
| #define	VAR_HARDTRAN	3
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| 
 | |
| struct ast_context;
 | |
| 
 | |
| /* ast_exten: An extension */
 | |
| struct ast_exten {
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| 	char *exten;			/* Extension name */
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| 	int matchcid;			/* Match caller id ? */
 | |
| 	char *cidmatch;			/* Caller id to match for this extension */
 | |
| 	int priority;			/* Priority */
 | |
| 	char *label;			/* Label */
 | |
| 	struct ast_context *parent;	/* The context this extension belongs to  */
 | |
| 	char *app; 			/* Application to execute */
 | |
| 	void *data;			/* Data to use (arguments) */
 | |
| 	void (*datad)(void *);		/* Data destructor */
 | |
| 	struct ast_exten *peer;		/* Next higher priority with our extension */
 | |
| 	const char *registrar;		/* Registrar */
 | |
| 	struct ast_exten *next;		/* Extension with a greater ID */
 | |
| 	char stuff[0];
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| };
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| 
 | |
| /* ast_include: include= support in extensions.conf */
 | |
| struct ast_include {
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| 	char *name;		
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| 	char *rname;		/* Context to include */
 | |
| 	const char *registrar;			/* Registrar */
 | |
| 	int hastime;				/* If time construct exists */
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|         struct ast_timing timing;               /* time construct */
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| 	struct ast_include *next;		/* Link them together */
 | |
| 	char stuff[0];
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| };
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| 
 | |
| /* ast_sw: Switch statement in extensions.conf */
 | |
| struct ast_sw {
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| 	char *name;
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| 	const char *registrar;			/* Registrar */
 | |
| 	char *data;		/* Data load */
 | |
| 	int eval;
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| 	struct ast_sw *next;			/* Link them together */
 | |
| 	char *tmpdata;
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| 	char stuff[0];
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| };
 | |
| 
 | |
| struct ast_ignorepat {
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| 	const char *registrar;
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| 	struct ast_ignorepat *next;
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| 	char pattern[0];
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| };
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| 
 | |
| /* ast_context: An extension context */
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| struct ast_context {
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| 	ast_mutex_t lock; 			/* A lock to prevent multiple threads from clobbering the context */
 | |
| 	struct ast_exten *root;			/* The root of the list of extensions */
 | |
| 	struct ast_context *next;		/* Link them together */
 | |
| 	struct ast_include *includes;		/* Include other contexts */
 | |
| 	struct ast_ignorepat *ignorepats;	/* Patterns for which to continue playing dialtone */
 | |
| 	const char *registrar;			/* Registrar */
 | |
| 	struct ast_sw *alts;			/* Alternative switches */
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| 	char name[0];		/* Name of the context */
 | |
| };
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| 
 | |
| 
 | |
| /* ast_app: An application */
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| struct ast_app {
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| 	int (*execute)(struct ast_channel *chan, void *data);
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| 	const char *synopsis;			/* Synopsis text for 'show applications' */
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| 	const char *description;		/* Description (help text) for 'show application <name>' */
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| 	struct ast_app *next;			/* Next app in list */
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| 	char name[0];			/* Name of the application */
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| };
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| 
 | |
| /* ast_state_cb: An extension state notify */
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| struct ast_state_cb {
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|     int id;
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|     void *data;
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|     ast_state_cb_type callback;
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|     struct ast_state_cb *next;
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| };
 | |
| 	    
 | |
| /* ast_state_cb: An extension state notify */
 | |
| struct ast_devstate_cb {
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|     void *data;
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|     ast_devstate_cb_type callback;
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|     struct ast_devstate_cb *next;
 | |
| };
 | |
| 
 | |
| static struct ast_devstate_cb *devcbs;
 | |
| 
 | |
| struct ast_hint {
 | |
|     struct ast_exten *exten;
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|     int laststate; 
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|     struct ast_state_cb *callbacks;
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|     struct ast_hint *next;
 | |
| };
 | |
| 
 | |
| int ast_pbx_outgoing_cdr_failed(void);
 | |
| 
 | |
| static int pbx_builtin_prefix(struct ast_channel *, void *);
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| static int pbx_builtin_suffix(struct ast_channel *, void *);
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| static int pbx_builtin_stripmsd(struct ast_channel *, void *);
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| static int pbx_builtin_answer(struct ast_channel *, void *);
 | |
| static int pbx_builtin_goto(struct ast_channel *, void *);
 | |
| static int pbx_builtin_hangup(struct ast_channel *, void *);
 | |
| static int pbx_builtin_background(struct ast_channel *, void *);
 | |
| static int pbx_builtin_dtimeout(struct ast_channel *, void *);
 | |
| static int pbx_builtin_rtimeout(struct ast_channel *, void *);
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| static int pbx_builtin_atimeout(struct ast_channel *, void *);
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| static int pbx_builtin_wait(struct ast_channel *, void *);
 | |
| static int pbx_builtin_waitexten(struct ast_channel *, void *);
 | |
| static int pbx_builtin_setlanguage(struct ast_channel *, void *);
 | |
| static int pbx_builtin_resetcdr(struct ast_channel *, void *);
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| static int pbx_builtin_setaccount(struct ast_channel *, void *);
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| static int pbx_builtin_setamaflags(struct ast_channel *, void *);
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| static int pbx_builtin_ringing(struct ast_channel *, void *);
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| static int pbx_builtin_progress(struct ast_channel *, void *);
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| static int pbx_builtin_congestion(struct ast_channel *, void *);
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| static int pbx_builtin_busy(struct ast_channel *, void *);
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| static int pbx_builtin_setglobalvar(struct ast_channel *, void *);
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| static int pbx_builtin_noop(struct ast_channel *, void *);
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| static int pbx_builtin_gotoif(struct ast_channel *, void *);
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| static int pbx_builtin_gotoiftime(struct ast_channel *, void *);
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| static int pbx_builtin_saynumber(struct ast_channel *, void *);
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| static int pbx_builtin_saydigits(struct ast_channel *, void *);
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| static int pbx_builtin_saycharacters(struct ast_channel *, void *);
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| static int pbx_builtin_sayphonetic(struct ast_channel *, void *);
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| int pbx_builtin_setvar(struct ast_channel *, void *);
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| static int pbx_builtin_importvar(struct ast_channel *, void *);
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| void pbx_builtin_setvar_helper(struct ast_channel *chan, char *name, char *value);
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| char *pbx_builtin_getvar_helper(struct ast_channel *chan, char *name);
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| 
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| static struct varshead globals;
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| 
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| static int autofallthrough = 0;
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| 
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| static struct pbx_builtin {
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| 	char name[AST_MAX_APP];
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| 	int (*execute)(struct ast_channel *chan, void *data);
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| 	char *synopsis;
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| 	char *description;
 | |
| } builtins[] = 
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| {
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| 	/* These applications are built into the PBX core and do not
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| 	   need separate modules
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| 	   
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| 	    */
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| 
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| 	{ "AbsoluteTimeout", pbx_builtin_atimeout,
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| 	"Set absolute maximum time of call",
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| 	"  AbsoluteTimeout(seconds): Set the absolute maximum amount of time permitted\n"
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| 	"for a call.  A setting of 0 disables the timeout.  Always returns 0.\n" 
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| 	},
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| 
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| 	{ "Answer", pbx_builtin_answer, 
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| 	"Answer a channel if ringing", 
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| 	"  Answer([delay]): If the channel is ringing, answer it, otherwise do nothing. \n"
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| 	"If delay is specified, asterisk will pause execution for the specified amount\n"
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| 	"of milliseconds if an answer is required, in order to give audio a chance to\n"
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| 	"become ready. Returns 0 unless it tries to answer the channel and fails.\n"   
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| 	},
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| 
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| 	{ "BackGround", pbx_builtin_background,
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| 	"Play a file while awaiting extension",
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| 	"  Background(filename1[&filename2...][|options[|langoverride]]): Plays\n"
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| 	"given files, while simultaneously waiting for the user to begin typing\n"
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| 	"an extension. The  timeouts do not count until the last BackGround\n"
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| 	"application has ended. Options may also be  included following a pipe \n"
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| 	"symbol. The 'skip' option causes the playback of the message to  be \n"
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| 	"skipped  if  the  channel is not in the 'up' state (i.e. it hasn't been\n"
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| 	"answered  yet. If 'skip' is specified, the application will return\n"
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| 	"immediately should the channel not be off hook.  Otherwise, unless \n"
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| 	"'noanswer' is specified, the channel channel will be answered before the\n"
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| 	"sound is played. Not all channels support playing messages while still\n"
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| 	"hook. The 'langoverride' may be a language to use for playing the prompt\n"
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| 	"which differs from the current language of the channel.  Returns -1 if \n"
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| 	"the channel was hung up, or if the file does not exist. Returns 0 otherwise.\n"
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| 	},
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| 
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| 	{ "Busy", pbx_builtin_busy,
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| 	"Indicate busy condition and stop",
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| 	"  Busy([timeout]): Requests that the channel indicate busy condition and\n"
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| 	"then waits for the user to hang up or the optional timeout to expire.\n"
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| 	"Always returns -1." 
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| 	},
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| 
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| 	{ "Congestion", pbx_builtin_congestion,
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| 	"Indicate congestion and stop",
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| 	"  Congestion([timeout]): Requests that the channel indicate congestion\n"
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| 	"and then waits for the user to hang up or for the optional timeout to\n"
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| 	"expire.  Always returns -1." 
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| 	},
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| 
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| 	{ "DigitTimeout", pbx_builtin_dtimeout,
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| 	"Set maximum timeout between digits",
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| 	"  DigitTimeout(seconds): Set the maximum amount of time permitted between\n"
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| 	"digits when the user is typing in an extension. When this timeout expires,\n"
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| 	"after the user has started to type in an extension, the extension will be\n"
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| 	"considered complete, and will be interpreted. Note that if an extension\n"
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| 	"typed in is valid, it will not have to timeout to be tested, so typically\n"
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| 	"at the expiry of this timeout, the extension will be considered invalid\n"
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| 	"(and thus control would be passed to the 'i' extension, or if it doesn't\n"
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| 	"exist the call would be terminated). Always returns 0.\n" 
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| 	},
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| 
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| 	{ "Goto", pbx_builtin_goto, 
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| 	"Goto a particular priority, extension, or context",
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| 	"  Goto([[context|]extension|]priority):  Set the  priority to the specified\n"
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| 	"value, optionally setting the extension and optionally the context as well.\n"
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| 	"The extension BYEXTENSION is special in that it uses the current extension,\n"
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| 	"thus  permitting you to go to a different context, without specifying a\n"
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| 	"specific extension. Always returns 0, even if the given context, extension,\n"
 | |
| 	"or priority is invalid.\n" 
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| 	},
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| 
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| 	{ "GotoIf", pbx_builtin_gotoif,
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| 	"Conditional goto",
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| 	"  GotoIf(Condition?label1:label2): Go to label 1 if condition is\n"
 | |
| 	"true, to label2 if condition is false. Either label1 or label2 may be\n"
 | |
| 	"omitted (in that case, we just don't take the particular branch) but not\n"
 | |
| 	"both. Look for the condition syntax in examples or documentation." 
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| 	},
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| 
 | |
| 	{ "GotoIfTime", pbx_builtin_gotoiftime,
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| 	"Conditional goto on current time",
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| 	"  GotoIfTime(<times>|<weekdays>|<mdays>|<months>?[[context|]extension|]pri):\n"
 | |
| 	"If the current time matches the specified time, then branch to the specified\n"
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| 	"extension. Each of the elements may be specified either as '*' (for always)\n"
 | |
| 	"or as a range. See the 'include' syntax for details." 
 | |
| 	},
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| 	
 | |
| 	{ "Hangup", pbx_builtin_hangup,
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| 	"Unconditional hangup",
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| 	"  Hangup(): Unconditionally hangs up a given channel by returning -1 always.\n" 
 | |
| 	},
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| 
 | |
| 	{ "NoOp", pbx_builtin_noop,
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| 	"No operation",
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| 	"  NoOp(): No-operation; Does nothing." 
 | |
| 	},
 | |
| 
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| 	{ "Prefix", pbx_builtin_prefix, 
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| 	"Prepend leading digits",
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| 	"  Prefix(digits): Prepends the digit string specified by digits to the\n"
 | |
| 	"channel's associated extension. For example, the number 1212 when prefixed\n"
 | |
| 	"with '555' will become 5551212. This app always returns 0, and the PBX will\n"
 | |
| 	"continue processing at the next priority for the *new* extension.\n"
 | |
| 	"  So, for example, if priority  3  of 1212 is  Prefix  555, the next step\n"
 | |
| 	"executed will be priority 4 of 5551212. If you switch into an extension\n"
 | |
| 	"which has no first step, the PBX will treat it as though the user dialed an\n"
 | |
| 	"invalid extension.\n" 
 | |
| 	},
 | |
| 
 | |
| 	{ "Progress", pbx_builtin_progress,
 | |
| 	"Indicate progress",
 | |
| 	"  Progress(): Request that the channel indicate in-band progress is \n"
 | |
| 	"available to the user.\nAlways returns 0.\n" 
 | |
| 	},
 | |
| 
 | |
| 	{ "ResetCDR", pbx_builtin_resetcdr,
 | |
| 	"Resets the Call Data Record",
 | |
| 	"  ResetCDR([options]):  Causes the Call Data Record to be reset, optionally\n"
 | |
| 	"storing the current CDR before zeroing it out (if 'w' option is specifed).\n"
 | |
| 	"record WILL be stored.\nAlways returns 0.\n"  
 | |
| 	},
 | |
| 
 | |
| 	{ "ResponseTimeout", pbx_builtin_rtimeout,
 | |
| 	"Set maximum timeout awaiting response",
 | |
| 	"  ResponseTimeout(seconds): Set the maximum amount of time permitted after\n"
 | |
| 	"falling through a series of priorities for a channel in which the user may\n"
 | |
| 	"begin typing an extension. If the user does not type an extension in this\n"
 | |
| 	"amount of time, control will pass to the 't' extension if it exists, and\n"
 | |
| 	"if not the call would be terminated.\nAlways returns 0.\n"  
 | |
| 	},
 | |
| 
 | |
| 	{ "Ringing", pbx_builtin_ringing,
 | |
| 	"Indicate ringing tone",
 | |
| 	"  Ringing(): Request that the channel indicate ringing tone to the user.\n"
 | |
| 	"Always returns 0.\n" 
 | |
| 	},
 | |
| 
 | |
| 	{ "SayNumber", pbx_builtin_saynumber,
 | |
| 	"Say Number",
 | |
| 	"  SayNumber(digits[,gender]): Says the passed number. SayNumber is using\n" 
 | |
| 	"the current language setting for the channel. (See app SetLanguage).\n"
 | |
| 	},
 | |
| 
 | |
| 	{ "SayDigits", pbx_builtin_saydigits,
 | |
| 	"Say Digits",
 | |
| 	"  SayDigits(digits): Says the passed digits. SayDigits is using the\n" 
 | |
| 	"current language setting for the channel. (See app setLanguage)\n"
 | |
| 	},
 | |
| 
 | |
| 	{ "SayAlpha", pbx_builtin_saycharacters,
 | |
| 	"Say Alpha",
 | |
| 	"  SayAlpha(string): Spells the passed string\n" 
 | |
| 	},
 | |
| 
 | |
| 	{ "SayPhonetic", pbx_builtin_sayphonetic,
 | |
| 	"Say Phonetic",
 | |
| 	"  SayPhonetic(string): Spells the passed string with phonetic alphabet\n" 
 | |
| 	},
 | |
| 
 | |
| 	{ "SetAccount", pbx_builtin_setaccount,
 | |
| 	"Sets account code",
 | |
| 	"  SetAccount([account]):  Set  the  channel account code for billing\n"
 | |
| 	"purposes. Always returns 0.\n"  
 | |
| 	},
 | |
| 
 | |
| 	{ "SetAMAFlags", pbx_builtin_setamaflags,
 | |
| 	"Sets AMA Flags",
 | |
| 	"  SetAMAFlags([flag]):  Set  the  channel AMA Flags for billing\n"
 | |
| 	"purposes. Always returns 0.\n"  
 | |
| 	},
 | |
| 
 | |
| 	{ "SetGlobalVar", pbx_builtin_setglobalvar,
 | |
| 	"Set global variable to value",
 | |
| 	"  SetGlobalVar(#n=value): Sets global variable n to value. Global\n" 
 | |
| 	"variable are available across channels.\n"
 | |
| 	},
 | |
| 
 | |
| 	{ "SetLanguage", pbx_builtin_setlanguage,
 | |
| 	"Sets user language",
 | |
| 	"  SetLanguage(language):  Set  the  channel  language to 'language'.  This\n"
 | |
| 	"information is used for the syntax in generation of numbers, and to choose\n"
 | |
| 	"a natural language file when available.\n"
 | |
| 	"  For example, if language is set to 'fr' and the file 'demo-congrats' is \n"
 | |
| 	"requested  to  be  played,  if the file 'fr/demo-congrats' exists, then\n"
 | |
| 	"it will play that file, and if not will play the normal 'demo-congrats'.\n"
 | |
| 	"Always returns 0.\n"  
 | |
| 	},
 | |
| 
 | |
| 	{ "SetVar", pbx_builtin_setvar,
 | |
| 	"Set variable to value",
 | |
| 	"  SetVar(#n=value): Sets variable n to value.  If prefixed with _, single\n"
 | |
| 	"inheritance assumed.  If prefixed with __, infinite inheritance is assumed.\n" },
 | |
| 
 | |
| 	{ "ImportVar", pbx_builtin_importvar,
 | |
| 	"Set variable to value",
 | |
| 	"  ImportVar(#n=channel|variable): Sets variable n to variable as evaluated on\n"
 | |
| 	"the specified channel (instead of current).  If prefixed with _, single\n"
 | |
| 	"inheritance assumed.  If prefixed with __, infinite inheritance is assumed.\n" },
 | |
| 
 | |
| 	{ "StripMSD", pbx_builtin_stripmsd,
 | |
| 	"Strip leading digits",
 | |
| 	"  StripMSD(count): Strips the leading 'count' digits from the channel's\n"
 | |
| 	"associated extension. For example, the number 5551212 when stripped with a\n"
 | |
| 	"count of 3 would be changed to 1212. This app always returns 0, and the PBX\n"
 | |
| 	"will continue processing at the next priority for the *new* extension.\n"
 | |
| 	"  So, for example, if priority 3 of 5551212 is StripMSD 3, the next step\n"
 | |
| 	"executed will be priority 4 of 1212. If you switch into an extension which\n"
 | |
| 	"has no first step, the PBX will treat it as though the user dialed an\n"
 | |
| 	"invalid extension.\n" 
 | |
| 	},
 | |
| 
 | |
| 	{ "Suffix", pbx_builtin_suffix, 
 | |
| 	"Append trailing digits",
 | |
| 	"  Suffix(digits): Appends the  digit  string  specified  by  digits to the\n"
 | |
| 	"channel's associated extension. For example, the number 555 when  suffixed\n"
 | |
| 	"with '1212' will become 5551212. This app always returns 0, and the PBX will\n"
 | |
| 	"continue processing at the next priority for the *new* extension.\n"
 | |
| 	"  So, for example, if priority  3  of  555 is Suffix 1212, the  next  step\n"
 | |
| 	"executed will be priority 4 of 5551212. If  you  switch  into an  extension\n"
 | |
| 	"which has no first step, the PBX will treat it as though the user dialed an\n"
 | |
| 	"invalid extension.\n" 
 | |
| 	},
 | |
| 
 | |
| 	{ "Wait", pbx_builtin_wait, 
 | |
| 	"Waits for some time", 
 | |
| 	"  Wait(seconds): Waits for a specified number of seconds, then returns 0.\n"
 | |
| 	"seconds can be passed with fractions of a second. (eg: 1.5 = 1.5 seconds)\n" 
 | |
| 	},
 | |
| 
 | |
| 	{ "WaitExten", pbx_builtin_waitexten, 
 | |
| 	"Waits for an extension to be entered", 
 | |
| 	"  WaitExten([seconds]): Waits for the user to enter a new extension for the \n"
 | |
| 	"specified number of seconds, then returns 0.  Seconds can be passed with\n"
 | |
| 	"fractions of a seconds (eg: 1.5 = 1.5 seconds) or if unspecified the\n"
 | |
| 	"default extension timeout will be used.\n" 
 | |
| 	},
 | |
| 
 | |
| };
 | |
| 
 | |
| AST_MUTEX_DEFINE_STATIC(applock); 		/* Lock for the application list */
 | |
| static struct ast_context *contexts = NULL;
 | |
| AST_MUTEX_DEFINE_STATIC(conlock); 		/* Lock for the ast_context list */
 | |
| static struct ast_app *apps = NULL;
 | |
| 
 | |
| AST_MUTEX_DEFINE_STATIC(switchlock);		/* Lock for switches */
 | |
| struct ast_switch *switches = NULL;
 | |
| 
 | |
| AST_MUTEX_DEFINE_STATIC(hintlock);		/* Lock for extension state notifys */
 | |
| static int stateid = 1;
 | |
| struct ast_hint *hints = NULL;
 | |
| struct ast_state_cb *statecbs = NULL;
 | |
| 
 | |
| int pbx_exec(struct ast_channel *c, 		/* Channel */
 | |
| 		struct ast_app *app,		/* Application */
 | |
| 		void *data,			/* Data for execution */
 | |
| 		int newstack)			/* Force stack increment */
 | |
| {
 | |
| 	/* This function is special.  It saves the stack so that no matter
 | |
| 	   how many times it is called, it returns to the same place */
 | |
| 	int res;
 | |
| 	
 | |
| 	char *saved_c_appl;
 | |
| 	char *saved_c_data;
 | |
| 	
 | |
| 	int (*execute)(struct ast_channel *chan, void *data) = app->execute; 
 | |
| 
 | |
| 	if (newstack) {
 | |
| 		if (c->cdr)
 | |
| 			ast_cdr_setapp(c->cdr, app->name, data);
 | |
| 
 | |
| 		/* save channel values */
 | |
| 		saved_c_appl= c->appl;
 | |
| 		saved_c_data= c->data;
 | |
| 
 | |
| 		c->appl = app->name;
 | |
| 		c->data = data;		
 | |
| 		res = execute(c, data);
 | |
| 		/* restore channel values */
 | |
| 		c->appl= saved_c_appl;
 | |
| 		c->data= saved_c_data;
 | |
| 		return res;
 | |
| 	} else
 | |
| 		ast_log(LOG_WARNING, "You really didn't want to call this function with newstack set to 0\n");
 | |
| 	return -1;
 | |
| }
 | |
| 
 | |
| 
 | |
| /* Go no deeper than this through includes (not counting loops) */
 | |
| #define AST_PBX_MAX_STACK	128
 | |
| 
 | |
| #define HELPER_EXISTS 0
 | |
| #define HELPER_SPAWN 1
 | |
| #define HELPER_EXEC 2
 | |
| #define HELPER_CANMATCH 3
 | |
| #define HELPER_MATCHMORE 4
 | |
| #define HELPER_FINDLABEL 5
 | |
| 
 | |
| struct ast_app *pbx_findapp(const char *app) 
 | |
| {
 | |
| 	struct ast_app *tmp;
 | |
| 
 | |
| 	if (ast_mutex_lock(&applock)) {
 | |
| 		ast_log(LOG_WARNING, "Unable to obtain application lock\n");
 | |
| 		return NULL;
 | |
| 	}
 | |
| 	tmp = apps;
 | |
| 	while(tmp) {
 | |
| 		if (!strcasecmp(tmp->name, app))
 | |
| 			break;
 | |
| 		tmp = tmp->next;
 | |
| 	}
 | |
| 	ast_mutex_unlock(&applock);
 | |
| 	return tmp;
 | |
| }
 | |
| 
 | |
| static struct ast_switch *pbx_findswitch(const char *sw)
 | |
| {
 | |
| 	struct ast_switch *asw;
 | |
| 
 | |
| 	if (ast_mutex_lock(&switchlock)) {
 | |
| 		ast_log(LOG_WARNING, "Unable to obtain application lock\n");
 | |
| 		return NULL;
 | |
| 	}
 | |
| 	asw = switches;
 | |
| 	while(asw) {
 | |
| 		if (!strcasecmp(asw->name, sw))
 | |
| 			break;
 | |
| 		asw = asw->next;
 | |
| 	}
 | |
| 	ast_mutex_unlock(&switchlock);
 | |
| 	return asw;
 | |
| }
 | |
| 
 | |
| static inline int include_valid(struct ast_include *i)
 | |
| {
 | |
| 	if (!i->hastime)
 | |
| 		return 1;
 | |
| 
 | |
| 	return ast_check_timing(&(i->timing));
 | |
| }
 | |
| 
 | |
| static void pbx_destroy(struct ast_pbx *p)
 | |
| {
 | |
| 	free(p);
 | |
| }
 | |
| 
 | |
| #define EXTENSION_MATCH_CORE(data,pattern,match) {\
 | |
| 	/* All patterns begin with _ */\
 | |
| 	if (pattern[0] != '_') \
 | |
| 		return 0;\
 | |
| 	/* Start optimistic */\
 | |
| 	match=1;\
 | |
| 	pattern++;\
 | |
| 	while(match && *data && *pattern && (*pattern != '/')) {\
 | |
| 		while (*data == '-' && (*(data+1) != '\0')) data++;\
 | |
| 		switch(toupper(*pattern)) {\
 | |
| 		case '[': \
 | |
| 		{\
 | |
| 			int i,border=0;\
 | |
| 			char *where;\
 | |
| 			match=0;\
 | |
| 			pattern++;\
 | |
| 			where=strchr(pattern,']');\
 | |
| 			if (where)\
 | |
| 				border=(int)(where-pattern);\
 | |
| 			if (!where || border > strlen(pattern)) {\
 | |
| 				ast_log(LOG_WARNING, "Wrong usage of [] in the extension\n");\
 | |
| 				return match;\
 | |
| 			}\
 | |
| 			for (i=0; i<border; i++) {\
 | |
| 				int res=0;\
 | |
| 				if (i+2<border)\
 | |
| 					if (pattern[i+1]=='-') {\
 | |
| 						if (*data >= pattern[i] && *data <= pattern[i+2]) {\
 | |
| 							res=1;\
 | |
| 						} else {\
 | |
| 							i+=2;\
 | |
| 							continue;\
 | |
| 						}\
 | |
| 					}\
 | |
| 				if (res==1 || *data==pattern[i]) {\
 | |
| 					match = 1;\
 | |
| 					break;\
 | |
| 				}\
 | |
| 			}\
 | |
| 			pattern+=border;\
 | |
| 			break;\
 | |
| 		}\
 | |
| 		case 'N':\
 | |
| 			if ((*data < '2') || (*data > '9'))\
 | |
| 				match=0;\
 | |
| 			break;\
 | |
| 		case 'X':\
 | |
| 			if ((*data < '0') || (*data > '9'))\
 | |
| 				match = 0;\
 | |
| 			break;\
 | |
| 		case 'Z':\
 | |
| 			if ((*data < '1') || (*data > '9'))\
 | |
| 				match = 0;\
 | |
| 			break;\
 | |
| 		case '.':\
 | |
| 			/* Must match */\
 | |
| 			return 1;\
 | |
| 		case ' ':\
 | |
| 		case '-':\
 | |
| 			/* Ignore these characters */\
 | |
| 			data--;\
 | |
| 			break;\
 | |
| 		default:\
 | |
| 			if (*data != *pattern)\
 | |
| 				match =0;\
 | |
| 		}\
 | |
| 		data++;\
 | |
| 		pattern++;\
 | |
| 	}\
 | |
| }
 | |
| 
 | |
| int ast_extension_match(const char *pattern, const char *data)
 | |
| {
 | |
| 	int match;
 | |
| 	/* If they're the same return */
 | |
| 	if (!strcmp(pattern, data))
 | |
| 		return 1;
 | |
| 	EXTENSION_MATCH_CORE(data,pattern,match);
 | |
| 	/* Must be at the end of both */
 | |
| 	if (*data || (*pattern && (*pattern != '/')))
 | |
| 		match = 0;
 | |
| 	return match;
 | |
| }
 | |
| 
 | |
| int ast_extension_close(const char *pattern, const char *data, int needmore)
 | |
| {
 | |
| 	int match;
 | |
| 	/* If "data" is longer, it can'be a subset of pattern unless
 | |
| 	   pattern is a pattern match */
 | |
| 	if ((strlen(pattern) < strlen(data)) && (pattern[0] != '_'))
 | |
| 		return 0;
 | |
| 	
 | |
| 	if ((ast_strlen_zero((char *)data) || !strncasecmp(pattern, data, strlen(data))) && 
 | |
| 		(!needmore || (strlen(pattern) > strlen(data)))) {
 | |
| 		return 1;
 | |
| 	}
 | |
| 	EXTENSION_MATCH_CORE(data,pattern,match);
 | |
| 	/* If there's more or we don't care about more, return non-zero, otlherwise it's a miss */
 | |
| 	if (!needmore || *pattern) {
 | |
| 		return match;
 | |
| 	} else
 | |
| 		return 0;
 | |
| }
 | |
| 
 | |
| struct ast_context *ast_context_find(const char *name)
 | |
| {
 | |
| 	struct ast_context *tmp;
 | |
| 	ast_mutex_lock(&conlock);
 | |
| 	if (name) {
 | |
| 		tmp = contexts;
 | |
| 		while(tmp) {
 | |
| 			if (!strcasecmp(name, tmp->name))
 | |
| 				break;
 | |
| 			tmp = tmp->next;
 | |
| 		}
 | |
| 	} else
 | |
| 		tmp = contexts;
 | |
| 	ast_mutex_unlock(&conlock);
 | |
| 	return tmp;
 | |
| }
 | |
| 
 | |
| #define STATUS_NO_CONTEXT   1
 | |
| #define STATUS_NO_EXTENSION 2
 | |
| #define STATUS_NO_PRIORITY  3
 | |
| #define STATUS_NO_LABEL		4
 | |
| #define STATUS_SUCCESS	    5
 | |
| 
 | |
| static int matchcid(const char *cidpattern, const char *callerid)
 | |
| {
 | |
| 	int failresult;
 | |
| 	
 | |
| 	/* If the Caller*ID pattern is empty, then we're matching NO Caller*ID, so
 | |
| 	   failing to get a number should count as a match, otherwise not */
 | |
| 
 | |
| 
 | |
| 	if (!ast_strlen_zero(cidpattern))
 | |
| 		failresult = 0;
 | |
| 	else
 | |
| 		failresult = 1;
 | |
| 
 | |
| 	if (!callerid)
 | |
| 		return failresult;
 | |
| 
 | |
| 	return ast_extension_match(cidpattern, callerid);
 | |
| }
 | |
| 
 | |
| static struct ast_exten *pbx_find_extension(struct ast_channel *chan, struct ast_context *bypass, const char *context, const char *exten, int priority, const char *label, const char *callerid, int action, char *incstack[], int *stacklen, int *status, struct ast_switch **swo, char **data, const char **foundcontext)
 | |
| {
 | |
| 	int x, res;
 | |
| 	struct ast_context *tmp;
 | |
| 	struct ast_exten *e, *eroot;
 | |
| 	struct ast_include *i;
 | |
| 	struct ast_sw *sw;
 | |
| 	struct ast_switch *asw;
 | |
| 
 | |
| 	/* Initialize status if appropriate */
 | |
| 	if (!*stacklen) {
 | |
| 		*status = STATUS_NO_CONTEXT;
 | |
| 		*swo = NULL;
 | |
| 		*data = NULL;
 | |
| 	}
 | |
| 	/* Check for stack overflow */
 | |
| 	if (*stacklen >= AST_PBX_MAX_STACK) {
 | |
| 		ast_log(LOG_WARNING, "Maximum PBX stack exceeded\n");
 | |
| 		return NULL;
 | |
| 	}
 | |
| 	/* Check first to see if we've already been checked */
 | |
| 	for (x=0;x<*stacklen;x++) {
 | |
| 		if (!strcasecmp(incstack[x], context))
 | |
| 			return NULL;
 | |
| 	}
 | |
| 	if (bypass)
 | |
| 		tmp = bypass;
 | |
| 	else
 | |
| 		tmp = contexts;
 | |
| 	while(tmp) {
 | |
| 		/* Match context */
 | |
| 		if (bypass || !strcmp(tmp->name, context)) {
 | |
| 			if (*status < STATUS_NO_EXTENSION)
 | |
| 				*status = STATUS_NO_EXTENSION;
 | |
| 			eroot = tmp->root;
 | |
| 			while(eroot) {
 | |
| 				/* Match extension */
 | |
| 				if ((((action != HELPER_MATCHMORE) && ast_extension_match(eroot->exten, exten)) ||
 | |
| 						((action == HELPER_CANMATCH) && (ast_extension_close(eroot->exten, exten, 0))) ||
 | |
| 						((action == HELPER_MATCHMORE) && (ast_extension_close(eroot->exten, exten, 1)))) &&
 | |
| 						(!eroot->matchcid || matchcid(eroot->cidmatch, callerid))) {
 | |
| 						e = eroot;
 | |
| 						if (*status < STATUS_NO_PRIORITY)
 | |
| 							*status = STATUS_NO_PRIORITY;
 | |
| 						while(e) {
 | |
| 							/* Match priority */
 | |
| 							if (action == HELPER_FINDLABEL) {
 | |
| 								if (*status < STATUS_NO_LABEL)
 | |
| 									*status = STATUS_NO_LABEL;
 | |
| 							 	if (label && e->label && !strcmp(label, e->label)) {
 | |
| 									*status = STATUS_SUCCESS;
 | |
| 									*foundcontext = context;
 | |
| 									return e;
 | |
| 								}
 | |
| 							} else if (e->priority == priority) {
 | |
| 								*status = STATUS_SUCCESS;
 | |
| 								*foundcontext = context;
 | |
| 								return e;
 | |
| 							}
 | |
| 							e = e->peer;
 | |
| 						}
 | |
| 				}
 | |
| 				eroot = eroot->next;
 | |
| 			}
 | |
| 			/* Check alternative switches */
 | |
| 			sw = tmp->alts;
 | |
| 			while(sw) {
 | |
| 				if ((asw = pbx_findswitch(sw->name))) {
 | |
| 					/* Substitute variables now */
 | |
| 					if (sw->eval) 
 | |
| 						pbx_substitute_variables_helper(chan, sw->data, sw->tmpdata, SWITCH_DATA_LENGTH - 1);
 | |
| 					if (action == HELPER_CANMATCH)
 | |
| 						res = asw->canmatch ? asw->canmatch(chan, context, exten, priority, callerid, sw->eval ? sw->tmpdata : sw->data) : 0;
 | |
| 					else if (action == HELPER_MATCHMORE)
 | |
| 						res = asw->matchmore ? asw->matchmore(chan, context, exten, priority, callerid, sw->eval ? sw->tmpdata : sw->data) : 0;
 | |
| 					else
 | |
| 						res = asw->exists ? asw->exists(chan, context, exten, priority, callerid, sw->eval ? sw->tmpdata : sw->data) : 0;
 | |
| 					if (res) {
 | |
| 						/* Got a match */
 | |
| 						*swo = asw;
 | |
| 						*data = sw->eval ? sw->tmpdata : sw->data;
 | |
| 						*foundcontext = context;
 | |
| 						return NULL;
 | |
| 					}
 | |
| 				} else {
 | |
| 					ast_log(LOG_WARNING, "No such switch '%s'\n", sw->name);
 | |
| 				}
 | |
| 				sw = sw->next;
 | |
| 			}
 | |
| 			/* Setup the stack */
 | |
| 			incstack[*stacklen] = tmp->name;
 | |
| 			(*stacklen)++;
 | |
| 			/* Now try any includes we have in this context */
 | |
| 			i = tmp->includes;
 | |
| 			while(i) {
 | |
| 				if (include_valid(i)) {
 | |
| 					if ((e = pbx_find_extension(chan, bypass, i->rname, exten, priority, label, callerid, action, incstack, stacklen, status, swo, data, foundcontext))) 
 | |
| 						return e;
 | |
| 					if (*swo) 
 | |
| 						return NULL;
 | |
| 				}
 | |
| 				i = i->next;
 | |
| 			}
 | |
| 			break;
 | |
| 		}
 | |
| 		tmp = tmp->next;
 | |
| 	}
 | |
| 	return NULL;
 | |
| }
 | |
| 
 | |
| /*--- pbx_retrieve_variable: Support for Asterisk built-in variables and
 | |
|       functions in the dialplan
 | |
|   ---*/
 | |
| void pbx_retrieve_variable(struct ast_channel *c, const char *var, char **ret, char *workspace, int workspacelen, struct varshead *headp)
 | |
| {
 | |
| 	char *first,*second;
 | |
| 	char tmpvar[80] = "";
 | |
| 	time_t thistime;
 | |
| 	struct tm brokentime;
 | |
| 	int offset,offset2;
 | |
| 	struct ast_var_t *variables;
 | |
| 
 | |
| 	if (c) 
 | |
| 		headp=&c->varshead;
 | |
| 	*ret=NULL;
 | |
| 	/* Now we have the variable name on cp3 */
 | |
| 	if (!strncasecmp(var,"LEN(",4)) {	/* ${LEN(<string>)} */
 | |
| 		int len=strlen(var);
 | |
| 		int len_len=4;
 | |
| 		if (strrchr(var,')')) {
 | |
| 			char cp3[80];
 | |
| 			strncpy(cp3, var, sizeof(cp3) - 1);
 | |
| 			cp3[len-len_len-1]='\0';
 | |
| 			sprintf(workspace,"%d",(int)strlen(cp3));
 | |
| 			*ret = workspace;
 | |
| 		} else {
 | |
| 			/* length is zero */
 | |
| 			*ret = "0";
 | |
| 		}
 | |
| 	} else if ((first=strchr(var,':'))) {	/* : Remove characters counting from end or start of string */
 | |
| 		strncpy(tmpvar, var, sizeof(tmpvar) - 1);
 | |
| 		first = strchr(tmpvar, ':');
 | |
| 		if (!first)
 | |
| 			first = tmpvar + strlen(tmpvar);
 | |
| 		*first='\0';
 | |
| 		pbx_retrieve_variable(c,tmpvar,ret,workspace,workspacelen - 1, headp);
 | |
| 		if (!(*ret)) 
 | |
| 			return;
 | |
| 		offset=atoi(first+1);	/* The number of characters, 
 | |
| 					   positive: remove # of chars from start
 | |
| 					   negative: keep # of chars from end */
 | |
| 						
 | |
| 	 	if ((second=strchr(first+1,':'))) {	
 | |
| 			*second='\0';
 | |
| 			offset2 = atoi(second+1);		/* Number of chars to copy */
 | |
| 		} else if (offset >= 0) {
 | |
| 			offset2 = strlen(*ret)-offset;	/* Rest of string */
 | |
| 		} else {
 | |
| 			offset2 = abs(offset);
 | |
| 		}
 | |
| 
 | |
| 		if (abs(offset) > strlen(*ret)) {	/* Offset beyond string */
 | |
| 			if (offset >= 0) 
 | |
| 				offset=strlen(*ret);
 | |
| 			else 
 | |
| 				offset=-strlen(*ret);	
 | |
| 		}
 | |
| 		if ((offset < 0 && offset2 > -offset) || (offset >= 0 && offset+offset2 > strlen(*ret))) {
 | |
| 			if (offset >= 0) 
 | |
| 				offset2=strlen(*ret)-offset;
 | |
| 			else 
 | |
| 				offset2=strlen(*ret)+offset;
 | |
| 		}
 | |
| 		if (offset >= 0)
 | |
| 			*ret += offset;
 | |
| 		else
 | |
| 			*ret += strlen(*ret)+offset;
 | |
| 		(*ret)[offset2] = '\0';		/* Cut at offset2 position */
 | |
| 	} else if (c && !strncmp(var, "CALL", 4)) {
 | |
| 		if (!strncmp(var + 4, "ER", 2)) {
 | |
| 			if (!strncmp(var + 6, "ID", 2)) {
 | |
| 				if (!var[8]) { 			/* CALLERID */
 | |
| 					if (c->cid.cid_num) {
 | |
| 						if (c->cid.cid_name) {
 | |
| 							snprintf(workspace, workspacelen, "\"%s\" <%s>", c->cid.cid_name, c->cid.cid_num);
 | |
| 						} else {
 | |
| 							strncpy(workspace, c->cid.cid_num, workspacelen - 1);
 | |
| 						}
 | |
| 						*ret = workspace;
 | |
| 					} else if (c->cid.cid_name) {
 | |
| 						strncpy(workspace, c->cid.cid_name, workspacelen - 1);
 | |
| 						*ret = workspace;
 | |
| 					} else
 | |
| 						*ret = NULL;
 | |
| 				} else if (!strcmp(var + 8, "NUM")) {
 | |
| 					/* CALLERIDNUM */
 | |
| 					if (c->cid.cid_num) {
 | |
| 						strncpy(workspace, c->cid.cid_num, workspacelen - 1);
 | |
| 						*ret = workspace;
 | |
| 					} else
 | |
| 						*ret = NULL;
 | |
| 				} else if (!strcmp(var + 8, "NAME")) {
 | |
| 					/* CALLERIDNAME */
 | |
| 					if (c->cid.cid_name) {
 | |
| 						strncpy(workspace, c->cid.cid_name, workspacelen - 1);
 | |
| 						*ret = workspace;
 | |
| 					} else
 | |
| 						*ret = NULL;
 | |
| 				}
 | |
| 			} else if (!strcmp(var + 6, "ANI")) {
 | |
| 				/* CALLERANI */
 | |
| 				if (c->cid.cid_ani) {
 | |
| 					strncpy(workspace, c->cid.cid_ani, workspacelen - 1);
 | |
| 					*ret = workspace;
 | |
| 				} else
 | |
| 					*ret = NULL;
 | |
| 			} else
 | |
| 				goto icky;
 | |
| 		} else if (!strncmp(var + 4, "ING", 3)) {
 | |
| 			if (!strcmp(var + 7, "PRES")) {
 | |
| 				/* CALLINGPRES */
 | |
| 				snprintf(workspace, workspacelen, "%d", c->cid.cid_pres);
 | |
| 				*ret = workspace;
 | |
| 			} else if (!strcmp(var + 7, "ANI2")) {
 | |
| 				/* CALLINGANI2 */
 | |
| 				snprintf(workspace, workspacelen, "%d", c->cid.cid_ani2);
 | |
| 				*ret = workspace;
 | |
| 			} else if (!strcmp(var + 7, "TON")) {
 | |
| 				/* CALLINGTON */
 | |
| 				snprintf(workspace, workspacelen, "%d", c->cid.cid_ton);
 | |
| 				*ret = workspace;
 | |
| 			} else if (!strcmp(var + 7, "TNS")) {
 | |
| 				/* CALLINGTNS */
 | |
| 				snprintf(workspace, workspacelen, "%d", c->cid.cid_tns);
 | |
| 				*ret = workspace;
 | |
| 			} else
 | |
| 				goto icky;
 | |
| 		} else
 | |
| 			goto icky;
 | |
| 	} else if (c && !strcmp(var, "DNID")) {
 | |
| 		if (c->cid.cid_dnid) {
 | |
| 			strncpy(workspace, c->cid.cid_dnid, workspacelen - 1);
 | |
| 			*ret = workspace;
 | |
| 		} else
 | |
| 			*ret = NULL;
 | |
| 	} else if (c && !strcmp(var, "HINT")) {
 | |
| 		if (!ast_get_hint(workspace, workspacelen, NULL, 0, c, c->context, c->exten))
 | |
| 			*ret = NULL;
 | |
| 		else
 | |
| 			*ret = workspace;
 | |
| 	} else if (c && !strcmp(var, "HINTNAME")) {
 | |
| 		if (!ast_get_hint(NULL, 0, workspace, workspacelen, c, c->context, c->exten))
 | |
| 			*ret = NULL;
 | |
| 		else
 | |
| 			*ret = workspace;
 | |
| 	} else if (c && !strcmp(var, "EXTEN")) {
 | |
| 		strncpy(workspace, c->exten, workspacelen - 1);
 | |
| 		*ret = workspace;
 | |
| 	} else if (c && !strcmp(var, "RDNIS")) {
 | |
| 		if (c->cid.cid_rdnis) {
 | |
| 			strncpy(workspace, c->cid.cid_rdnis, workspacelen - 1);
 | |
| 			*ret = workspace;
 | |
| 		} else
 | |
| 			*ret = NULL;
 | |
| 	} else if (c && !strcmp(var, "CONTEXT")) {
 | |
| 		strncpy(workspace, c->context, workspacelen - 1);
 | |
| 		*ret = workspace;
 | |
| 	} else if (c && !strcmp(var, "PRIORITY")) {
 | |
| 		snprintf(workspace, workspacelen, "%d", c->priority);
 | |
| 		*ret = workspace;
 | |
| 	} else if (c && !strcmp(var, "CHANNEL")) {
 | |
| 		strncpy(workspace, c->name, workspacelen - 1);
 | |
| 		*ret = workspace;
 | |
| 	} else if (!strcmp(var, "EPOCH")) {
 | |
| 		snprintf(workspace, workspacelen, "%u",(int)time(NULL));
 | |
| 		*ret = workspace;
 | |
| 	} else if (!strcmp(var, "DATETIME")) {
 | |
| 		thistime=time(NULL);
 | |
| 		localtime_r(&thistime, &brokentime);
 | |
| 		snprintf(workspace, workspacelen, "%02d%02d%04d-%02d:%02d:%02d",
 | |
| 			brokentime.tm_mday,
 | |
| 			brokentime.tm_mon+1,
 | |
| 			brokentime.tm_year+1900,
 | |
| 			brokentime.tm_hour,
 | |
| 			brokentime.tm_min,
 | |
| 			brokentime.tm_sec
 | |
| 		);
 | |
| 		*ret = workspace;
 | |
| 	} else if (!strcmp(var, "TIMESTAMP")) {
 | |
| 		thistime=time(NULL);
 | |
| 		localtime_r(&thistime, &brokentime);
 | |
| 		/* 20031130-150612 */
 | |
| 		snprintf(workspace, workspacelen, "%04d%02d%02d-%02d%02d%02d",
 | |
| 			brokentime.tm_year+1900,
 | |
| 			brokentime.tm_mon+1,
 | |
| 			brokentime.tm_mday,
 | |
| 			brokentime.tm_hour,
 | |
| 			brokentime.tm_min,
 | |
| 			brokentime.tm_sec
 | |
| 		);
 | |
| 		*ret = workspace;
 | |
| 	} else if (c && !strcmp(var, "UNIQUEID")) {
 | |
| 		snprintf(workspace, workspacelen, "%s", c->uniqueid);
 | |
| 		*ret = workspace;
 | |
| 	} else if (c && !strcmp(var, "HANGUPCAUSE")) {
 | |
| 		snprintf(workspace, workspacelen, "%i", c->hangupcause);
 | |
| 		*ret = workspace;
 | |
| 	} else if (c && !strcmp(var, "ACCOUNTCODE")) {
 | |
| 		strncpy(workspace, c->accountcode, workspacelen - 1);
 | |
| 		*ret = workspace;
 | |
| 	} else if (c && !strcmp(var, "LANGUAGE")) {
 | |
| 		strncpy(workspace, c->language, workspacelen - 1);
 | |
| 		*ret = workspace;
 | |
| 	} else {
 | |
| icky:
 | |
| 		if (headp) {
 | |
| 			AST_LIST_TRAVERSE(headp,variables,entries) {
 | |
| #if 0
 | |
| 				ast_log(LOG_WARNING,"Comparing variable '%s' with '%s'\n",var,ast_var_name(variables));
 | |
| #endif
 | |
| 				if (strcasecmp(ast_var_name(variables),var)==0) {
 | |
| 					*ret=ast_var_value(variables);
 | |
| 					if (*ret) {
 | |
| 						strncpy(workspace, *ret, workspacelen - 1);
 | |
| 						*ret = workspace;
 | |
| 					}
 | |
| 					break;
 | |
| 				}
 | |
| 			}
 | |
| 		}
 | |
| 		if (!(*ret)) {
 | |
| 			/* Try globals */
 | |
| 			AST_LIST_TRAVERSE(&globals,variables,entries) {
 | |
| #if 0
 | |
| 				ast_log(LOG_WARNING,"Comparing variable '%s' with '%s'\n",var,ast_var_name(variables));
 | |
| #endif
 | |
| 				if (strcasecmp(ast_var_name(variables),var)==0) {
 | |
| 					*ret=ast_var_value(variables);
 | |
| 					if (*ret) {
 | |
| 						strncpy(workspace, *ret, workspacelen - 1);
 | |
| 						*ret = workspace;
 | |
| 					}
 | |
| 				}
 | |
| 			}
 | |
| 		}
 | |
| 		if (!(*ret)) {
 | |
| 			int len=strlen(var);
 | |
| 			int len_env=strlen("ENV(");
 | |
| 			if (len > (len_env+1) && !strncasecmp(var,"ENV(",len_env) && !strcmp(var+len-1,")")) {
 | |
| 				char cp3[80] = "";
 | |
| 				strncpy(cp3, var, sizeof(cp3) - 1);
 | |
| 				cp3[len-1]='\0';
 | |
| 				*ret=getenv(cp3+len_env);
 | |
| 				if (*ret) {
 | |
| 					strncpy(workspace, *ret, workspacelen - 1);
 | |
| 					*ret = workspace;
 | |
| 				}
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| }
 | |
| 
 | |
| static void pbx_substitute_variables_helper_full(struct ast_channel *c, const char *cp1, char *cp2, int count, struct varshead *headp)
 | |
| {
 | |
| 	char *cp4;
 | |
| 	const char *tmp, *whereweare;
 | |
| 	int length;
 | |
| 	char workspace[4096];
 | |
| 	char ltmp[4096], var[4096];
 | |
| 	char *nextvar, *nextexp;
 | |
| 	char *vars, *vare;
 | |
| 	int pos, brackets, needsub, len;
 | |
| 	
 | |
| 	/* Substitutes variables into cp2, based on string cp1, and assuming cp2 to be
 | |
| 	   zero-filled */
 | |
| 	whereweare=tmp=cp1;
 | |
| 	while(!ast_strlen_zero(whereweare) && count) {
 | |
| 		/* Assume we're copying the whole remaining string */
 | |
| 		pos = strlen(whereweare);
 | |
| 
 | |
| 		/* Look for a variable */
 | |
| 		nextvar = strstr(whereweare, "${");
 | |
| 		
 | |
| 		/* Look for an expression */
 | |
| 		nextexp = strstr(whereweare, "$[");
 | |
| 		
 | |
| 		/* Pick the first one only */
 | |
| 		if (nextvar && nextexp) {
 | |
| 			if (nextvar < nextexp)
 | |
| 				nextexp = NULL;
 | |
| 			else
 | |
| 				nextvar = NULL;
 | |
| 		}
 | |
| 		
 | |
| 		/* If there is one, we only go that far */
 | |
| 		if (nextvar)
 | |
| 			pos = nextvar - whereweare;
 | |
| 		else if (nextexp)
 | |
| 			pos = nextexp - whereweare;
 | |
| 		
 | |
| 		/* Can't copy more than 'count' bytes */
 | |
| 		if (pos > count)
 | |
| 			pos = count;
 | |
| 		
 | |
| 		/* Copy that many bytes */
 | |
| 		memcpy(cp2, whereweare, pos);
 | |
| 		
 | |
| 		count -= pos;
 | |
| 		cp2 += pos;
 | |
| 		whereweare += pos;
 | |
| 		
 | |
| 		if (nextvar) {
 | |
| 			/* We have a variable.  Find the start and end, and determine
 | |
| 			   if we are going to have to recursively call ourselves on the
 | |
| 			   contents */
 | |
| 			vars = vare = nextvar + 2;
 | |
| 			brackets = 1;
 | |
| 			needsub = 0;
 | |
| 			
 | |
| 			/* Find the end of it */
 | |
| 			while(brackets && *vare) {
 | |
| 				if ((vare[0] == '$') && (vare[1] == '{')) {
 | |
| 					needsub++;
 | |
| 					brackets++;
 | |
| 				} else if (vare[0] == '}') {
 | |
| 					brackets--;
 | |
| 				} else if ((vare[0] == '$') && (vare[1] == '['))
 | |
| 					needsub++;
 | |
| 				vare++;
 | |
| 			}
 | |
| 			if (brackets)
 | |
| 				ast_log(LOG_NOTICE, "Error in extension logic (missing '}')\n");
 | |
| 			len = vare - vars - 1;
 | |
| 			
 | |
| 			/* Skip totally over variable name */
 | |
| 			whereweare += ( len + 3);
 | |
| 			
 | |
| 			/* Store variable name (and truncate) */
 | |
| 			memset(var, 0, sizeof(var));
 | |
| 			strncpy(var, vars, sizeof(var) - 1);
 | |
| 			var[len] = '\0';
 | |
| 			
 | |
| 			/* Substitute if necessary */
 | |
| 			if (needsub) {
 | |
| 				memset(ltmp, 0, sizeof(ltmp));
 | |
| 				pbx_substitute_variables_helper(c, var, ltmp, sizeof(ltmp) - 1);
 | |
| 				vars = ltmp;
 | |
| 			} else {
 | |
| 				vars = var;
 | |
| 			}
 | |
| 			
 | |
| 			/* Retrieve variable value */
 | |
| 			workspace[0] = '\0';
 | |
| 			pbx_retrieve_variable(c,vars,&cp4, workspace, sizeof(workspace), headp);
 | |
| 			if (cp4) {
 | |
| 				length = strlen(cp4);
 | |
| 				if (length > count)
 | |
| 					length = count;
 | |
| 				memcpy(cp2, cp4, length);
 | |
| 				count -= length;
 | |
| 				cp2 += length;
 | |
| 			}
 | |
| 			
 | |
| 		} else if (nextexp) {
 | |
| 			/* We have an expression.  Find the start and end, and determine
 | |
| 			   if we are going to have to recursively call ourselves on the
 | |
| 			   contents */
 | |
| 			vars = vare = nextexp + 2;
 | |
| 			brackets = 1;
 | |
| 			needsub = 0;
 | |
| 			
 | |
| 			/* Find the end of it */
 | |
| 			while(brackets && *vare) {
 | |
| 				if ((vare[0] == '$') && (vare[1] == '[')) {
 | |
| 					needsub++;
 | |
| 					brackets++;
 | |
| 					vare++;
 | |
| 				} else if (vare[0] == '[') {
 | |
| 					brackets++;
 | |
| 				} else if (vare[0] == ']') {
 | |
| 					brackets--;
 | |
| 				} else if ((vare[0] == '$') && (vare[1] == '{')) {
 | |
| 					needsub++;
 | |
| 					vare++;
 | |
| 				}
 | |
| 				vare++;
 | |
| 			}
 | |
| 			if (brackets)
 | |
| 				ast_log(LOG_NOTICE, "Error in extension logic (missing ']')\n");
 | |
| 			len = vare - vars - 1;
 | |
| 			
 | |
| 			/* Skip totally over variable name */
 | |
| 			whereweare += ( len + 3);
 | |
| 			
 | |
| 			/* Store variable name (and truncate) */
 | |
| 			memset(var, 0, sizeof(var));
 | |
| 			strncpy(var, vars, sizeof(var) - 1);
 | |
| 			var[len] = '\0';
 | |
| 			
 | |
| 			/* Substitute if necessary */
 | |
| 			if (needsub) {
 | |
| 				memset(ltmp, 0, sizeof(ltmp));
 | |
| 				pbx_substitute_variables_helper(c, var, ltmp, sizeof(ltmp) - 1);
 | |
| 				vars = ltmp;
 | |
| 			} else {
 | |
| 				vars = var;
 | |
| 			}
 | |
| 
 | |
| 			/* Evaluate expression */			
 | |
| 			cp4 = ast_expr(vars);
 | |
| 			
 | |
| 			ast_log(LOG_DEBUG, "Expression is '%s'\n", cp4);
 | |
| 			
 | |
| 			if (cp4) {
 | |
| 				length = strlen(cp4);
 | |
| 				if (length > count)
 | |
| 					length = count;
 | |
| 				memcpy(cp2, cp4, length);
 | |
| 				count -= length;
 | |
| 				cp2 += length;
 | |
| 				free(cp4);
 | |
| 			}
 | |
| 			
 | |
| 		} else
 | |
| 			break;
 | |
| 	}
 | |
| }
 | |
| 
 | |
| void pbx_substitute_variables_helper(struct ast_channel *c, const char *cp1, char *cp2, int count)
 | |
| {
 | |
| 	pbx_substitute_variables_helper_full(c, cp1, cp2, count, NULL);
 | |
| }
 | |
| 
 | |
| void pbx_substitute_variables_varshead(struct varshead *headp, const char *cp1, char *cp2, int count)
 | |
| {
 | |
| 	pbx_substitute_variables_helper_full(NULL, cp1, cp2, count, headp);
 | |
| }
 | |
| 
 | |
| static void pbx_substitute_variables(char *passdata, int datalen, struct ast_channel *c, struct ast_exten *e) {
 | |
|         
 | |
| 	memset(passdata, 0, datalen);
 | |
| 		
 | |
| 	/* No variables or expressions in e->data, so why scan it? */
 | |
| 	if (!strstr(e->data,"${") && !strstr(e->data,"$[")) {
 | |
| 		strncpy(passdata, e->data, datalen - 1);
 | |
| 		passdata[datalen-1] = '\0';
 | |
| 		return;
 | |
| 	}
 | |
| 	
 | |
| 	pbx_substitute_variables_helper(c, e->data, passdata, datalen - 1);
 | |
| }		                                                
 | |
| 
 | |
| static int pbx_extension_helper(struct ast_channel *c, struct ast_context *con, const char *context, const char *exten, int priority, const char *label, const char *callerid, int action) 
 | |
| {
 | |
| 	struct ast_exten *e;
 | |
| 	struct ast_app *app;
 | |
| 	struct ast_switch *sw;
 | |
| 	char *data;
 | |
| 	const char *foundcontext=NULL;
 | |
| 	int newstack = 0;
 | |
| 	int res;
 | |
| 	int status = 0;
 | |
| 	char *incstack[AST_PBX_MAX_STACK];
 | |
| 	char passdata[EXT_DATA_SIZE];
 | |
| 	int stacklen = 0;
 | |
| 	char tmp[80];
 | |
| 	char tmp2[80];
 | |
| 	char tmp3[EXT_DATA_SIZE];
 | |
| 	char atmp[80];
 | |
| 	char atmp2[EXT_DATA_SIZE+100];
 | |
| 
 | |
| 	if (ast_mutex_lock(&conlock)) {
 | |
| 		ast_log(LOG_WARNING, "Unable to obtain lock\n");
 | |
| 		if ((action == HELPER_EXISTS) || (action == HELPER_CANMATCH) || (action == HELPER_MATCHMORE))
 | |
| 			return 0;
 | |
| 		else
 | |
| 			return -1;
 | |
| 	}
 | |
| 	e = pbx_find_extension(c, con, context, exten, priority, label, callerid, action, incstack, &stacklen, &status, &sw, &data, &foundcontext);
 | |
| 	if (e) {
 | |
| 		switch(action) {
 | |
| 		case HELPER_CANMATCH:
 | |
| 			ast_mutex_unlock(&conlock);
 | |
| 			return -1;
 | |
| 		case HELPER_EXISTS:
 | |
| 			ast_mutex_unlock(&conlock);
 | |
| 			return -1;
 | |
| 		case HELPER_FINDLABEL:
 | |
| 			res = e->priority;
 | |
| 			ast_mutex_unlock(&conlock);
 | |
| 			return res;
 | |
| 		case HELPER_MATCHMORE:
 | |
| 			ast_mutex_unlock(&conlock);
 | |
| 			return -1;
 | |
| 		case HELPER_SPAWN:
 | |
| 			newstack++;
 | |
| 			/* Fall through */
 | |
| 		case HELPER_EXEC:
 | |
| 			app = pbx_findapp(e->app);
 | |
| 			ast_mutex_unlock(&conlock);
 | |
| 			if (app) {
 | |
| 				if (c->context != context)
 | |
| 					strncpy(c->context, context, sizeof(c->context)-1);
 | |
| 				if (c->exten != exten)
 | |
| 					strncpy(c->exten, exten, sizeof(c->exten)-1);
 | |
| 				c->priority = priority;
 | |
| 				pbx_substitute_variables(passdata, sizeof(passdata), c, e);
 | |
| 				if (option_debug) {
 | |
| 						ast_log(LOG_DEBUG, "Launching '%s'\n", app->name);
 | |
| 						snprintf(atmp, 80, "STACK-%s-%s-%d", context, exten, priority);
 | |
| 						snprintf(atmp2, EXT_DATA_SIZE+100, "%s(\"%s\", \"%s\") %s", app->name, c->name, (!ast_strlen_zero(passdata) ? (char *)passdata : ""), (newstack ? "in new stack" : "in same stack"));
 | |
| 						pbx_builtin_setvar_helper(c, atmp, atmp2);
 | |
| 				}
 | |
| 				if (option_verbose > 2)
 | |
| 						ast_verbose( VERBOSE_PREFIX_3 "Executing %s(\"%s\", \"%s\") %s\n", 
 | |
| 								term_color(tmp, app->name, COLOR_BRCYAN, 0, sizeof(tmp)),
 | |
| 								term_color(tmp2, c->name, COLOR_BRMAGENTA, 0, sizeof(tmp2)),
 | |
| 								term_color(tmp3, (!ast_strlen_zero(passdata) ? (char *)passdata : ""), COLOR_BRMAGENTA, 0, sizeof(tmp3)),
 | |
| 								(newstack ? "in new stack" : "in same stack"));
 | |
| 				manager_event(EVENT_FLAG_CALL, "Newexten", 
 | |
| 					"Channel: %s\r\n"
 | |
| 					"Context: %s\r\n"
 | |
| 					"Extension: %s\r\n"
 | |
| 					"Priority: %d\r\n"
 | |
| 					"Application: %s\r\n"
 | |
| 					"AppData: %s\r\n"
 | |
| 					"Uniqueid: %s\r\n",
 | |
| 					c->name, c->context, c->exten, c->priority, app->name, passdata ? passdata : "(NULL)", c->uniqueid);
 | |
| 				res = pbx_exec(c, app, passdata, newstack);
 | |
| 				return res;
 | |
| 			} else {
 | |
| 				ast_log(LOG_WARNING, "No application '%s' for extension (%s, %s, %d)\n", e->app, context, exten, priority);
 | |
| 				return -1;
 | |
| 			}
 | |
| 		default:
 | |
| 			ast_log(LOG_WARNING, "Huh (%d)?\n", action);			return -1;
 | |
| 		}
 | |
| 	} else if (sw) {
 | |
| 		switch(action) {
 | |
| 		case HELPER_CANMATCH:
 | |
| 			ast_mutex_unlock(&conlock);
 | |
| 			return -1;
 | |
| 		case HELPER_EXISTS:
 | |
| 			ast_mutex_unlock(&conlock);
 | |
| 			return -1;
 | |
| 		case HELPER_MATCHMORE:
 | |
| 			ast_mutex_unlock(&conlock);
 | |
| 			return -1;
 | |
| 		case HELPER_FINDLABEL:
 | |
| 			ast_mutex_unlock(&conlock);
 | |
| 			return -1;
 | |
| 		case HELPER_SPAWN:
 | |
| 			newstack++;
 | |
| 			/* Fall through */
 | |
| 		case HELPER_EXEC:
 | |
| 			ast_mutex_unlock(&conlock);
 | |
| 			if (sw->exec)
 | |
| 				res = sw->exec(c, foundcontext ? foundcontext : context, exten, priority, callerid, newstack, data);
 | |
| 			else {
 | |
| 				ast_log(LOG_WARNING, "No execution engine for switch %s\n", sw->name);
 | |
| 				res = -1;
 | |
| 			}
 | |
| 			return res;
 | |
| 		default:
 | |
| 			ast_log(LOG_WARNING, "Huh (%d)?\n", action);
 | |
| 			return -1;
 | |
| 		}
 | |
| 	} else {
 | |
| 		ast_mutex_unlock(&conlock);
 | |
| 		switch(status) {
 | |
| 		case STATUS_NO_CONTEXT:
 | |
| 			if ((action != HELPER_EXISTS) && (action != HELPER_MATCHMORE))
 | |
| 				ast_log(LOG_NOTICE, "Cannot find extension context '%s'\n", context);
 | |
| 			break;
 | |
| 		case STATUS_NO_EXTENSION:
 | |
| 			if ((action != HELPER_EXISTS) && (action !=  HELPER_CANMATCH) && (action != HELPER_MATCHMORE))
 | |
| 				ast_log(LOG_NOTICE, "Cannot find extension '%s' in context '%s'\n", exten, context);
 | |
| 			break;
 | |
| 		case STATUS_NO_PRIORITY:
 | |
| 			if ((action != HELPER_EXISTS) && (action !=  HELPER_CANMATCH) && (action != HELPER_MATCHMORE))
 | |
| 				ast_log(LOG_NOTICE, "No such priority %d in extension '%s' in context '%s'\n", priority, exten, context);
 | |
| 			break;
 | |
| 		case STATUS_NO_LABEL:
 | |
| 			if (context)
 | |
| 				ast_log(LOG_NOTICE, "No such label '%s' in extension '%s' in context '%s'\n", label, exten, context);
 | |
| 			break;
 | |
| 		default:
 | |
| 			ast_log(LOG_DEBUG, "Shouldn't happen!\n");
 | |
| 		}
 | |
| 		
 | |
| 		if ((action != HELPER_EXISTS) && (action != HELPER_CANMATCH) && (action != HELPER_MATCHMORE))
 | |
| 			return -1;
 | |
| 		else
 | |
| 			return 0;
 | |
| 	}
 | |
| 
 | |
| }
 | |
| 
 | |
| static struct ast_exten *ast_hint_extension(struct ast_channel *c, const char *context, const char *exten)
 | |
| {
 | |
| 	struct ast_exten *e;
 | |
| 	struct ast_switch *sw;
 | |
| 	char *data;
 | |
| 	const char *foundcontext = NULL;
 | |
| 	int status = 0;
 | |
| 	char *incstack[AST_PBX_MAX_STACK];
 | |
| 	int stacklen = 0;
 | |
| 
 | |
| 	if (ast_mutex_lock(&conlock)) {
 | |
| 		ast_log(LOG_WARNING, "Unable to obtain lock\n");
 | |
| 		return NULL;
 | |
| 	}
 | |
| 	e = pbx_find_extension(c, NULL, context, exten, PRIORITY_HINT, NULL, "", HELPER_EXISTS, incstack, &stacklen, &status, &sw, &data, &foundcontext);
 | |
| 	ast_mutex_unlock(&conlock);	
 | |
| 	return e;
 | |
| }
 | |
| 
 | |
| static int ast_extension_state2(struct ast_exten *e)
 | |
| {
 | |
| 	char hint[AST_MAX_EXTENSION] = "";    
 | |
| 	char *cur, *rest;
 | |
| 	int res = -1;
 | |
| 	int allunavailable = 1, allbusy = 1, allfree = 1;
 | |
| 	int busy = 0;
 | |
| 
 | |
| 	strncpy(hint, ast_get_extension_app(e), sizeof(hint)-1);
 | |
|     
 | |
| 	cur = hint;    
 | |
| 	do {
 | |
| 		rest = strchr(cur, '&');
 | |
| 		if (rest) {
 | |
| 	    		*rest = 0;
 | |
| 			rest++;
 | |
| 		}
 | |
| 	
 | |
| 		res = ast_device_state(cur);
 | |
| 		switch (res) {
 | |
|     		case AST_DEVICE_NOT_INUSE:
 | |
| 			allunavailable = 0;
 | |
| 			allbusy = 0;
 | |
| 			break;
 | |
|     		case AST_DEVICE_INUSE:
 | |
| 			return AST_EXTENSION_INUSE;
 | |
|     		case AST_DEVICE_BUSY:
 | |
| 			allunavailable = 0;
 | |
| 			allfree = 0;
 | |
| 			busy = 1;
 | |
| 			break;
 | |
|     		case AST_DEVICE_UNAVAILABLE:
 | |
|     		case AST_DEVICE_INVALID:
 | |
| 			allbusy = 0;
 | |
| 			allfree = 0;
 | |
| 			break;
 | |
|     		default:
 | |
| 			allunavailable = 0;
 | |
| 			allbusy = 0;
 | |
| 			allfree = 0;
 | |
| 		}
 | |
|        		cur = rest;
 | |
| 	} while (cur);
 | |
| 
 | |
| 	if (allfree)
 | |
| 		return AST_EXTENSION_NOT_INUSE;
 | |
| 	if (allbusy)
 | |
| 		return AST_EXTENSION_BUSY;
 | |
| 	if (allunavailable)
 | |
| 		return AST_EXTENSION_UNAVAILABLE;
 | |
| 	if (busy) 
 | |
| 		return AST_EXTENSION_INUSE;
 | |
| 	
 | |
| 	return AST_EXTENSION_NOT_INUSE;
 | |
| }
 | |
| 
 | |
| 
 | |
| int ast_extension_state(struct ast_channel *c, char *context, char *exten)
 | |
| {
 | |
| 	struct ast_exten *e;
 | |
| 
 | |
| 	e = ast_hint_extension(c, context, exten);    
 | |
| 	if (!e) 
 | |
| 		return -1;
 | |
| 
 | |
| 	return ast_extension_state2(e);    
 | |
| }
 | |
| 
 | |
| int ast_device_state_changed(const char *fmt, ...) 
 | |
| {
 | |
| 	struct ast_hint *list;
 | |
| 	struct ast_state_cb *cblist;
 | |
| 	struct ast_devstate_cb *devcb;
 | |
| 	char hint[AST_MAX_EXTENSION] = "";
 | |
| 	char device[AST_MAX_EXTENSION];
 | |
| 	char *cur, *rest;
 | |
| 	int state;
 | |
| 
 | |
| 	va_list ap;
 | |
| 
 | |
| 	va_start(ap, fmt);
 | |
| 	vsnprintf(device, sizeof(device), fmt, ap);
 | |
| 	va_end(ap);
 | |
| 
 | |
| 	rest = strchr(device, '-');
 | |
| 	if (rest) {
 | |
| 		*rest = 0;
 | |
| 	}
 | |
| 
 | |
| 	state = ast_device_state(device);
 | |
| 
 | |
| 	ast_mutex_lock(&hintlock);
 | |
| 
 | |
| 	devcb = devcbs;
 | |
| 	while(devcb) {
 | |
| 		if (devcb->callback)
 | |
| 			devcb->callback(device, state, devcb->data);
 | |
| 		devcb = devcb->next;
 | |
| 	}
 | |
| 	list = hints;
 | |
| 
 | |
| 	while (list) {
 | |
| 
 | |
| 		strncpy(hint, ast_get_extension_app(list->exten), sizeof(hint) - 1);
 | |
| 		cur = hint;
 | |
| 		do {
 | |
| 			rest = strchr(cur, '&');
 | |
| 			if (rest) {
 | |
| 				*rest = 0;
 | |
| 				rest++;
 | |
| 			}
 | |
| 			
 | |
| 			if (!strcmp(cur, device)) {
 | |
| 				/* Found extension execute callbacks  */
 | |
| 				state = ast_extension_state2(list->exten);
 | |
| 				if ((state != -1) && (state != list->laststate)) {
 | |
| 					/* For general callbacks */
 | |
| 					cblist = statecbs;
 | |
| 					while (cblist) {
 | |
| 						cblist->callback(list->exten->parent->name, list->exten->exten, state, cblist->data);
 | |
| 						cblist = cblist->next;
 | |
| 					}
 | |
| 
 | |
| 					/* For extension callbacks */
 | |
| 					cblist = list->callbacks;
 | |
| 					while (cblist) {
 | |
| 						cblist->callback(list->exten->parent->name, list->exten->exten, state, cblist->data);
 | |
| 						cblist = cblist->next;
 | |
| 					}
 | |
| 			
 | |
| 					list->laststate = state;
 | |
| 				}
 | |
| 				break;
 | |
| 			}
 | |
| 			cur = rest;
 | |
| 		} while (cur);
 | |
| 		list = list->next;
 | |
| 	}
 | |
| 	ast_mutex_unlock(&hintlock);
 | |
| 	return 1;
 | |
| }
 | |
| 			
 | |
| int ast_devstate_add(ast_devstate_cb_type callback, void *data)
 | |
| {
 | |
| 	struct ast_devstate_cb *devcb;
 | |
| 	devcb = malloc(sizeof(struct ast_devstate_cb));
 | |
| 	if (devcb) {
 | |
| 		memset(devcb, 0, sizeof(struct ast_devstate_cb));
 | |
| 		ast_mutex_lock(&hintlock);
 | |
| 		devcb->data = data;
 | |
| 		devcb->callback = callback;
 | |
| 		devcb->next = devcbs;
 | |
| 		devcbs = devcb;
 | |
| 		ast_mutex_unlock(&hintlock);
 | |
| 	}
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| void ast_devstate_del(ast_devstate_cb_type callback, void *data)
 | |
| {
 | |
| 	struct ast_devstate_cb *devcb, *prev = NULL, *next;
 | |
| 	ast_mutex_lock(&hintlock);
 | |
| 	devcb = devcbs;
 | |
| 	while(devcb) {
 | |
| 		next = devcb->next;
 | |
| 		if ((devcb->data == data) && (devcb->callback == callback)) {
 | |
| 			if (prev)
 | |
| 				prev->next = next;
 | |
| 			else
 | |
| 				devcbs = next;
 | |
| 			free(devcb);
 | |
| 		} else
 | |
| 			prev = devcb;
 | |
| 		devcb = next;
 | |
| 	}
 | |
| 	ast_mutex_unlock(&hintlock);
 | |
| }
 | |
| 
 | |
| int ast_extension_state_add(const char *context, const char *exten, 
 | |
| 			    ast_state_cb_type callback, void *data)
 | |
| {
 | |
| 	struct ast_hint *list;
 | |
| 	struct ast_state_cb *cblist;
 | |
| 	struct ast_exten *e;
 | |
| 
 | |
| 	/* No context and extension add callback to statecbs list */
 | |
| 	if (!context && !exten) {
 | |
| 		ast_mutex_lock(&hintlock);
 | |
| 
 | |
| 		cblist = statecbs;
 | |
| 		while (cblist) {
 | |
| 			if (cblist->callback == callback) {
 | |
| 				cblist->data = data;
 | |
| 				ast_mutex_unlock(&hintlock);
 | |
| 			}
 | |
| 			cblist = cblist->next;
 | |
| 		}
 | |
| 	
 | |
| 		/* Now inserts the callback */
 | |
| 		cblist = malloc(sizeof(struct ast_state_cb));
 | |
| 		if (!cblist) {
 | |
| 			ast_mutex_unlock(&hintlock);
 | |
| 			return -1;
 | |
| 		}
 | |
| 		memset(cblist, 0, sizeof(struct ast_state_cb));
 | |
| 		cblist->id = 0;
 | |
| 		cblist->callback = callback;
 | |
| 		cblist->data = data;
 | |
| 	
 | |
|        		cblist->next = statecbs;
 | |
| 		statecbs = cblist;
 | |
| 
 | |
| 		ast_mutex_unlock(&hintlock);
 | |
| 		return 0;
 | |
|     	}
 | |
| 
 | |
| 	if (!context || !exten)
 | |
| 		return -1;
 | |
| 
 | |
| 	/* This callback type is for only one hint */
 | |
| 	e = ast_hint_extension(NULL, context, exten);    
 | |
| 	if (!e) {
 | |
| 		return -1;
 | |
| 	}
 | |
|     
 | |
| 	ast_mutex_lock(&hintlock);
 | |
| 	list = hints;        
 | |
|     
 | |
| 	while (list) {
 | |
| 		if (list->exten == e)
 | |
| 			break;	    
 | |
| 		list = list->next;    
 | |
| 	}
 | |
| 
 | |
| 	if (!list) {
 | |
| 		ast_mutex_unlock(&hintlock);
 | |
| 		return -1;
 | |
| 	}
 | |
| 
 | |
| 	/* Now inserts the callback */
 | |
| 	cblist = malloc(sizeof(struct ast_state_cb));
 | |
| 	if (!cblist) {
 | |
| 		ast_mutex_unlock(&hintlock);
 | |
| 		return -1;
 | |
| 	}
 | |
| 	memset(cblist, 0, sizeof(struct ast_state_cb));
 | |
| 	cblist->id = stateid++;
 | |
| 	cblist->callback = callback;
 | |
| 	cblist->data = data;
 | |
| 
 | |
| 	cblist->next = list->callbacks;
 | |
| 	list->callbacks = cblist;
 | |
| 
 | |
| 	ast_mutex_unlock(&hintlock);
 | |
| 	return cblist->id;
 | |
| }
 | |
| 
 | |
| int ast_extension_state_del(int id, ast_state_cb_type callback)
 | |
| {
 | |
| 	struct ast_hint *list;
 | |
| 	struct ast_state_cb *cblist, *cbprev;
 | |
|     
 | |
| 	if (!id && !callback)
 | |
| 		return -1;
 | |
|             
 | |
| 	ast_mutex_lock(&hintlock);
 | |
| 
 | |
| 	/* id is zero is a callback without extension */
 | |
| 	if (!id) {
 | |
| 		cbprev = NULL;
 | |
| 		cblist = statecbs;
 | |
| 		while (cblist) {
 | |
| 	 		if (cblist->callback == callback) {
 | |
| 				if (!cbprev)
 | |
| 		    			statecbs = cblist->next;
 | |
| 				else
 | |
| 		    			cbprev->next = cblist->next;
 | |
| 
 | |
| 				free(cblist);
 | |
| 
 | |
| 	        		ast_mutex_unlock(&hintlock);
 | |
| 				return 0;
 | |
| 	    		}
 | |
| 	    		cbprev = cblist;
 | |
| 	    		cblist = cblist->next;
 | |
| 		}
 | |
| 
 | |
|     		ast_mutex_lock(&hintlock);
 | |
| 		return -1;
 | |
| 	}
 | |
| 
 | |
| 	/* id greater than zero is a callback with extension */
 | |
| 	list = hints;
 | |
| 	while (list) {
 | |
| 		cblist = list->callbacks;
 | |
| 		cbprev = NULL;
 | |
| 		while (cblist) {
 | |
| 	    		if (cblist->id==id) {
 | |
| 				if (!cbprev)
 | |
| 		    			list->callbacks = cblist->next;		
 | |
| 				else
 | |
| 		    			cbprev->next = cblist->next;
 | |
| 		
 | |
| 				free(cblist);
 | |
| 		
 | |
| 				ast_mutex_unlock(&hintlock);
 | |
| 				return 0;		
 | |
| 	    		}		
 | |
|     	    		cbprev = cblist;				
 | |
| 	    		cblist = cblist->next;
 | |
| 		}
 | |
| 		list = list->next;
 | |
| 	}
 | |
|     
 | |
| 	ast_mutex_unlock(&hintlock);
 | |
| 	return -1;
 | |
| }
 | |
| 
 | |
| static int ast_add_hint(struct ast_exten *e)
 | |
| {
 | |
| 	struct ast_hint *list;
 | |
| 
 | |
| 	if (!e) 
 | |
| 		return -1;
 | |
|     
 | |
| 	ast_mutex_lock(&hintlock);
 | |
| 	list = hints;        
 | |
|     
 | |
| 	/* Search if hint exists, do nothing */
 | |
| 	while (list) {
 | |
| 		if (list->exten == e) {
 | |
| 			ast_mutex_unlock(&hintlock);
 | |
| 			return -1;
 | |
| 		}
 | |
| 		list = list->next;    
 | |
|     	}
 | |
| 
 | |
| 	list = malloc(sizeof(struct ast_hint));
 | |
| 	if (!list) {
 | |
| 		ast_mutex_unlock(&hintlock);
 | |
| 		return -1;
 | |
| 	}
 | |
| 	/* Initialize and insert new item */
 | |
| 	memset(list, 0, sizeof(struct ast_hint));
 | |
| 	list->exten = e;
 | |
| 	list->laststate = ast_extension_state2(e);
 | |
| 	list->next = hints;
 | |
| 	hints = list;
 | |
| 
 | |
| 	ast_mutex_unlock(&hintlock);
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static int ast_change_hint(struct ast_exten *oe, struct ast_exten *ne)
 | |
| { 
 | |
| 	struct ast_hint *list;
 | |
| 
 | |
| 	ast_mutex_lock(&hintlock);
 | |
| 	list = hints;
 | |
|     
 | |
| 	while(list) {
 | |
| 		if (list->exten == oe) {
 | |
| 	    		list->exten = ne;
 | |
| 			ast_mutex_unlock(&hintlock);	
 | |
| 			return 0;
 | |
| 		}
 | |
| 		list = list->next;
 | |
| 	}
 | |
| 	ast_mutex_unlock(&hintlock);
 | |
| 
 | |
| 	return -1;
 | |
| }
 | |
| 
 | |
| static int ast_remove_hint(struct ast_exten *e)
 | |
| {
 | |
| 	/* Cleanup the Notifys if hint is removed */
 | |
| 	struct ast_hint *list, *prev = NULL;
 | |
| 	struct ast_state_cb *cblist, *cbprev;
 | |
| 
 | |
| 	if (!e) 
 | |
| 		return -1;
 | |
| 
 | |
| 	ast_mutex_lock(&hintlock);
 | |
| 
 | |
| 	list = hints;    
 | |
| 	while(list) {
 | |
| 		if (list->exten==e) {
 | |
| 			cbprev = NULL;
 | |
| 			cblist = list->callbacks;
 | |
| 			while (cblist) {
 | |
| 				/* Notify with -1 and remove all callbacks */
 | |
| 				cbprev = cblist;	    
 | |
| 				cblist = cblist->next;
 | |
| 				cbprev->callback(list->exten->parent->name, list->exten->exten, -1, cbprev->data);
 | |
| 				free(cbprev);
 | |
| 	    		}
 | |
| 	    		list->callbacks = NULL;
 | |
| 
 | |
| 	    		if (!prev)
 | |
| 				hints = list->next;
 | |
| 	    		else
 | |
| 				prev->next = list->next;
 | |
| 	    		free(list);
 | |
| 	    
 | |
| 			ast_mutex_unlock(&hintlock);
 | |
| 			return 0;
 | |
| 		} else {
 | |
| 			prev = list;
 | |
| 			list = list->next;    
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	ast_mutex_unlock(&hintlock);
 | |
| 	return -1;
 | |
| }
 | |
| 
 | |
| 
 | |
| int ast_get_hint(char *hint, int hintsize, char *name, int namesize, struct ast_channel *c, const char *context, const char *exten)
 | |
| {
 | |
| 	struct ast_exten *e;
 | |
| 	void *tmp;
 | |
| 	e = ast_hint_extension(c, context, exten);
 | |
| 	if (e) {
 | |
| 		if (hint) 
 | |
| 		    strncpy(hint, ast_get_extension_app(e), hintsize - 1);
 | |
| 		if (name) {
 | |
| 			tmp = ast_get_extension_app_data(e);
 | |
| 			if (tmp)
 | |
| 				strncpy(name, (char *)tmp, namesize - 1);
 | |
| 		}
 | |
| 	    return -1;
 | |
| 	}
 | |
| 	return 0;	
 | |
| }
 | |
| 
 | |
| int ast_exists_extension(struct ast_channel *c, const char *context, const char *exten, int priority, const char *callerid) 
 | |
| {
 | |
| 	return pbx_extension_helper(c, NULL, context, exten, priority, NULL, callerid, HELPER_EXISTS);
 | |
| }
 | |
| 
 | |
| int ast_findlabel_extension(struct ast_channel *c, const char *context, const char *exten, const char *label, const char *callerid) 
 | |
| {
 | |
| 	return pbx_extension_helper(c, NULL, context, exten, 0, label, callerid, HELPER_FINDLABEL);
 | |
| }
 | |
| 
 | |
| int ast_findlabel_extension2(struct ast_channel *c, struct ast_context *con, const char *exten, const char *label, const char *callerid) 
 | |
| {
 | |
| 	return pbx_extension_helper(c, con, NULL, exten, 0, label, callerid, HELPER_FINDLABEL);
 | |
| }
 | |
| 
 | |
| int ast_canmatch_extension(struct ast_channel *c, const char *context, const char *exten, int priority, const char *callerid)
 | |
| {
 | |
| 	return pbx_extension_helper(c, NULL, context, exten, priority, NULL, callerid, HELPER_CANMATCH);
 | |
| }
 | |
| 
 | |
| int ast_matchmore_extension(struct ast_channel *c, const char *context, const char *exten, int priority, const char *callerid)
 | |
| {
 | |
| 	return pbx_extension_helper(c, NULL, context, exten, priority, NULL, callerid, HELPER_MATCHMORE);
 | |
| }
 | |
| 
 | |
| int ast_spawn_extension(struct ast_channel *c, const char *context, const char *exten, int priority, const char *callerid) 
 | |
| {
 | |
| 	return pbx_extension_helper(c, NULL, context, exten, priority, NULL, callerid, HELPER_SPAWN);
 | |
| }
 | |
| 
 | |
| int ast_exec_extension(struct ast_channel *c, const char *context, const char *exten, int priority, const char *callerid) 
 | |
| {
 | |
| 	return pbx_extension_helper(c, NULL, context, exten, priority, NULL, callerid, HELPER_EXEC);
 | |
| }
 | |
| 
 | |
| int ast_pbx_run(struct ast_channel *c)
 | |
| {
 | |
| 	int firstpass = 1;
 | |
| 	char digit;
 | |
| 	char exten[256];
 | |
| 	int pos;
 | |
| 	int waittime;
 | |
| 	int res=0;
 | |
| 
 | |
| 	/* A little initial setup here */
 | |
| 	if (c->pbx)
 | |
| 		ast_log(LOG_WARNING, "%s already has PBX structure??\n", c->name);
 | |
| 	c->pbx = malloc(sizeof(struct ast_pbx));
 | |
| 	if (!c->pbx) {
 | |
| 		ast_log(LOG_ERROR, "Out of memory\n");
 | |
| 		return -1;
 | |
| 	}
 | |
| 	if (c->amaflags) {
 | |
| 		if (!c->cdr) {
 | |
| 			c->cdr = ast_cdr_alloc();
 | |
| 			if (!c->cdr) {
 | |
| 				ast_log(LOG_WARNING, "Unable to create Call Detail Record\n");
 | |
| 				free(c->pbx);
 | |
| 				return -1;
 | |
| 			}
 | |
| 			ast_cdr_init(c->cdr, c);
 | |
| 		}
 | |
| 	}
 | |
| 	memset(c->pbx, 0, sizeof(struct ast_pbx));
 | |
| 	/* Set reasonable defaults */
 | |
| 	c->pbx->rtimeout = 10;
 | |
| 	c->pbx->dtimeout = 5;
 | |
| 
 | |
| 	/* Start by trying whatever the channel is set to */
 | |
| 	if (!ast_exists_extension(c, c->context, c->exten, c->priority, c->cid.cid_num)) {
 | |
| 		/* JK02: If not successfull fall back to 's' */
 | |
| 		if (option_verbose > 1)
 | |
| 			ast_verbose( VERBOSE_PREFIX_2 "Starting %s at %s,%s,%d failed so falling back to exten 's'\n", c->name, c->context, c->exten, c->priority);
 | |
| 		strncpy(c->exten, "s", sizeof(c->exten)-1);
 | |
| 		if (!ast_exists_extension(c, c->context, c->exten, c->priority, c->cid.cid_num)) {
 | |
| 			/* JK02: And finally back to default if everything else failed */
 | |
| 			if (option_verbose > 1)
 | |
| 				ast_verbose( VERBOSE_PREFIX_2 "Starting %s at %s,%s,%d still failed so falling back to context 'default'\n", c->name, c->context, c->exten, c->priority);
 | |
| 			strncpy(c->context, "default", sizeof(c->context)-1);
 | |
| 		}
 | |
| 		c->priority = 1;
 | |
| 	}
 | |
| 	if (c->cdr && !c->cdr->start.tv_sec && !c->cdr->start.tv_usec)
 | |
| 		ast_cdr_start(c->cdr);
 | |
| 	for(;;) {
 | |
| 		pos = 0;
 | |
| 		digit = 0;
 | |
| 		while(ast_exists_extension(c, c->context, c->exten, c->priority, c->cid.cid_num)) {
 | |
| 			memset(exten, 0, sizeof(exten));
 | |
| 			if ((res = ast_spawn_extension(c, c->context, c->exten, c->priority, c->cid.cid_num))) {
 | |
| 				/* Something bad happened, or a hangup has been requested. */
 | |
| 				if (((res >= '0') && (res <= '9')) || ((res >= 'A') && (res <= 'F')) ||
 | |
| 					(res == '*') || (res == '#')) {
 | |
| 					ast_log(LOG_DEBUG, "Oooh, got something to jump out with ('%c')!\n", res);
 | |
| 					memset(exten, 0, sizeof(exten));
 | |
| 					pos = 0;
 | |
| 					exten[pos++] = digit = res;
 | |
| 					break;
 | |
| 				}
 | |
| 				switch(res) {
 | |
| 				case AST_PBX_KEEPALIVE:
 | |
| 					if (option_debug)
 | |
| 						ast_log(LOG_DEBUG, "Spawn extension (%s,%s,%d) exited KEEPALIVE on '%s'\n", c->context, c->exten, c->priority, c->name);
 | |
| 					else if (option_verbose > 1)
 | |
| 						ast_verbose( VERBOSE_PREFIX_2 "Spawn extension (%s, %s, %d) exited KEEPALIVE on '%s'\n", c->context, c->exten, c->priority, c->name);
 | |
| 					goto out;
 | |
| 					break;
 | |
| 				default:
 | |
| 					if (option_debug)
 | |
| 						ast_log(LOG_DEBUG, "Spawn extension (%s,%s,%d) exited non-zero on '%s'\n", c->context, c->exten, c->priority, c->name);
 | |
| 					else if (option_verbose > 1)
 | |
| 						ast_verbose( VERBOSE_PREFIX_2 "Spawn extension (%s, %s, %d) exited non-zero on '%s'\n", c->context, c->exten, c->priority, c->name);
 | |
| 					if (c->_softhangup == AST_SOFTHANGUP_ASYNCGOTO) {
 | |
| 						c->_softhangup =0;
 | |
| 						break;
 | |
| 					}
 | |
| 					/* atimeout */
 | |
| 					if (c->_softhangup == AST_SOFTHANGUP_TIMEOUT) {
 | |
| 						break;
 | |
| 					}
 | |
| 
 | |
| 					if (c->cdr) {
 | |
| 						ast_cdr_update(c);
 | |
| 					}
 | |
| 					goto out;
 | |
| 				}
 | |
| 			}
 | |
| 			if ((c->_softhangup == AST_SOFTHANGUP_TIMEOUT) && (ast_exists_extension(c,c->context,"T",1,c->cid.cid_num))) {
 | |
| 				strncpy(c->exten,"T",sizeof(c->exten) - 1);
 | |
| 				/* If the AbsoluteTimeout is not reset to 0, we'll get an infinite loop */
 | |
| 				c->whentohangup = 0;
 | |
| 				c->priority = 0;
 | |
| 				c->_softhangup &= ~AST_SOFTHANGUP_TIMEOUT;
 | |
| 			} else if (c->_softhangup) {
 | |
| 				ast_log(LOG_DEBUG, "Extension %s, priority %d returned normally even though call was hung up\n",
 | |
| 					c->exten, c->priority);
 | |
| 				goto out;
 | |
| 			}
 | |
| 			firstpass = 0;
 | |
| 			c->priority++;
 | |
| 		}
 | |
| 		if (!ast_exists_extension(c, c->context, c->exten, 1, c->cid.cid_num)) {
 | |
| 			/* It's not a valid extension anymore */
 | |
| 			if (ast_exists_extension(c, c->context, "i", 1, c->cid.cid_num)) {
 | |
| 				if (option_verbose > 2)
 | |
| 					ast_verbose(VERBOSE_PREFIX_3 "Sent into invalid extension '%s' in context '%s' on %s\n", c->exten, c->context, c->name);
 | |
| 				pbx_builtin_setvar_helper(c, "INVALID_EXTEN", c->exten);
 | |
| 				strncpy(c->exten, "i", sizeof(c->exten)-1);
 | |
| 				c->priority = 1;
 | |
| 			} else {
 | |
| 				ast_log(LOG_WARNING, "Channel '%s' sent into invalid extension '%s' in context '%s', but no invalid handler\n",
 | |
| 					c->name, c->exten, c->context);
 | |
| 				goto out;
 | |
| 			}
 | |
| 		} else if (c->_softhangup == AST_SOFTHANGUP_TIMEOUT) {
 | |
| 			/* If we get this far with AST_SOFTHANGUP_TIMEOUT, then we know that the "T" extension is next. */
 | |
| 			c->_softhangup = 0;
 | |
| 		} else {
 | |
| 			/* Done, wait for an extension */
 | |
| 			waittime = 0;
 | |
| 			if (digit)
 | |
| 				waittime = c->pbx->dtimeout;
 | |
| 			else if (!autofallthrough)
 | |
| 				waittime = c->pbx->rtimeout;
 | |
| 			if (waittime) {
 | |
| 				while (ast_matchmore_extension(c, c->context, exten, 1, c->cid.cid_num)) {
 | |
| 					/* As long as we're willing to wait, and as long as it's not defined, 
 | |
| 					   keep reading digits until we can't possibly get a right answer anymore.  */
 | |
| 					digit = ast_waitfordigit(c, waittime * 1000);
 | |
| 					if (c->_softhangup == AST_SOFTHANGUP_ASYNCGOTO) {
 | |
| 						c->_softhangup = 0;
 | |
| 					} else {
 | |
| 						if (!digit)
 | |
| 							/* No entry */
 | |
| 							break;
 | |
| 						if (digit < 0)
 | |
| 							/* Error, maybe a  hangup */
 | |
| 							goto out;
 | |
| 						exten[pos++] = digit;
 | |
| 						waittime = c->pbx->dtimeout;
 | |
| 					}
 | |
| 				}
 | |
| 				if (ast_exists_extension(c, c->context, exten, 1, c->cid.cid_num)) {
 | |
| 					/* Prepare the next cycle */
 | |
| 					strncpy(c->exten, exten, sizeof(c->exten)-1);
 | |
| 					c->priority = 1;
 | |
| 				} else {
 | |
| 					/* No such extension */
 | |
| 					if (!ast_strlen_zero(exten)) {
 | |
| 						/* An invalid extension */
 | |
| 						if (ast_exists_extension(c, c->context, "i", 1, c->cid.cid_num)) {
 | |
| 							if (option_verbose > 2)
 | |
| 								ast_verbose( VERBOSE_PREFIX_3 "Invalid extension '%s' in context '%s' on %s\n", exten, c->context, c->name);
 | |
| 							pbx_builtin_setvar_helper(c, "INVALID_EXTEN", exten);
 | |
| 							strncpy(c->exten, "i", sizeof(c->exten)-1);
 | |
| 							c->priority = 1;
 | |
| 						} else {
 | |
| 							ast_log(LOG_WARNING, "Invalid extension '%s', but no rule 'i' in context '%s'\n", exten, c->context);
 | |
| 							goto out;
 | |
| 						}
 | |
| 					} else {
 | |
| 						/* A simple timeout */
 | |
| 						if (ast_exists_extension(c, c->context, "t", 1, c->cid.cid_num)) {
 | |
| 							if (option_verbose > 2)
 | |
| 								ast_verbose( VERBOSE_PREFIX_3 "Timeout on %s\n", c->name);
 | |
| 							strncpy(c->exten, "t", sizeof(c->exten)-1);
 | |
| 							c->priority = 1;
 | |
| 						} else {
 | |
| 							ast_log(LOG_WARNING, "Timeout, but no rule 't' in context '%s'\n", c->context);
 | |
| 							goto out;
 | |
| 						}
 | |
| 					}	
 | |
| 				}
 | |
| 				if (c->cdr) {
 | |
| 					if (option_verbose > 2)
 | |
| 						ast_verbose(VERBOSE_PREFIX_2 "CDR updated on %s\n",c->name);	
 | |
| 					ast_cdr_update(c);
 | |
| 			    }
 | |
| 			} else {
 | |
| 				if (option_verbose > 0) {
 | |
| 					char *status;
 | |
| 					status = pbx_builtin_getvar_helper(c, "DIALSTATUS");
 | |
| 					if (!status)
 | |
| 						status = "UNKNOWN";
 | |
| 					if (option_verbose > 2)
 | |
| 						ast_verbose(VERBOSE_PREFIX_2 "Auto fallthrough, channel '%s' status is '%s'\n", c->name, status);
 | |
| 					if (!strcasecmp(status, "CONGESTION"))
 | |
| 						res = pbx_builtin_congestion(c, "10");
 | |
| 					else if (!strcasecmp(status, "CHANUNAVAIL"))
 | |
| 						res = pbx_builtin_congestion(c, "10");
 | |
| 					else if (!strcasecmp(status, "BUSY"))
 | |
| 						res = pbx_builtin_busy(c, "10");
 | |
| 					goto out;
 | |
| 				}
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| 	if (firstpass) 
 | |
| 		ast_log(LOG_WARNING, "Don't know what to do with '%s'\n", c->name);
 | |
| out:
 | |
| 	if ((res != AST_PBX_KEEPALIVE) && ast_exists_extension(c, c->context, "h", 1, c->cid.cid_num)) {
 | |
| 		c->exten[0] = 'h';
 | |
| 		c->exten[1] = '\0';
 | |
| 		c->priority = 1;
 | |
| 		while(ast_exists_extension(c, c->context, c->exten, c->priority, c->cid.cid_num)) {
 | |
| 			if ((res = ast_spawn_extension(c, c->context, c->exten, c->priority, c->cid.cid_num))) {
 | |
| 				/* Something bad happened, or a hangup has been requested. */
 | |
| 				if (option_debug)
 | |
| 					ast_log(LOG_DEBUG, "Spawn extension (%s,%s,%d) exited non-zero on '%s'\n", c->context, c->exten, c->priority, c->name);
 | |
| 				else if (option_verbose > 1)
 | |
| 					ast_verbose( VERBOSE_PREFIX_2 "Spawn extension (%s, %s, %d) exited non-zero on '%s'\n", c->context, c->exten, c->priority, c->name);
 | |
| 				break;
 | |
| 			}
 | |
| 			c->priority++;
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	pbx_destroy(c->pbx);
 | |
| 	c->pbx = NULL;
 | |
| 	if (res != AST_PBX_KEEPALIVE)
 | |
| 		ast_hangup(c);
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static void *pbx_thread(void *data)
 | |
| {
 | |
| 	/* Oh joyeous kernel, we're a new thread, with nothing to do but
 | |
| 	   answer this channel and get it going.  The setjmp stuff is fairly
 | |
| 	   confusing, but necessary to get smooth transitions between
 | |
| 	   the execution of different applications (without the use of
 | |
| 	   additional threads) */
 | |
| 	struct ast_channel *c = data;
 | |
| 	ast_pbx_run(c);
 | |
| 	pthread_exit(NULL);
 | |
| 	return NULL;
 | |
| }
 | |
| 
 | |
| int ast_pbx_start(struct ast_channel *c)
 | |
| {
 | |
| 	pthread_t t;
 | |
| 	pthread_attr_t attr;
 | |
| 	if (!c) {
 | |
| 		ast_log(LOG_WARNING, "Asked to start thread on NULL channel?\n");
 | |
| 		return -1;
 | |
| 	}
 | |
| 	   
 | |
| 	/* Start a new thread, and get something handling this channel. */
 | |
| 	pthread_attr_init(&attr);
 | |
| 	pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
 | |
| 	if (ast_pthread_create(&t, &attr, pbx_thread, c)) {
 | |
| 		ast_log(LOG_WARNING, "Failed to create new channel thread\n");
 | |
| 		return -1;
 | |
| 	}
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| int pbx_set_autofallthrough(int newval)
 | |
| {
 | |
| 	int oldval;
 | |
| 	oldval = autofallthrough;
 | |
| 	if (oldval != newval)
 | |
| 		autofallthrough = newval;
 | |
| 	return oldval;
 | |
| }
 | |
| 
 | |
| /*
 | |
|  * This function locks contexts list by &conlist, search for the right context
 | |
|  * structure, leave context list locked and call ast_context_remove_include2
 | |
|  * which removes include, unlock contexts list and return ...
 | |
|  */
 | |
| int ast_context_remove_include(const char *context, const char *include, const char *registrar)
 | |
| {
 | |
| 	struct ast_context *c;
 | |
| 
 | |
| 	if (ast_lock_contexts()) return -1;
 | |
| 
 | |
| 	/* walk contexts and search for the right one ...*/
 | |
| 	c = ast_walk_contexts(NULL);
 | |
| 	while (c) {
 | |
| 		/* we found one ... */
 | |
| 		if (!strcmp(ast_get_context_name(c), context)) {
 | |
| 			int ret;
 | |
| 			/* remove include from this context ... */	
 | |
| 			ret = ast_context_remove_include2(c, include, registrar);
 | |
| 
 | |
| 			ast_unlock_contexts();
 | |
| 
 | |
| 			/* ... return results */
 | |
| 			return ret;
 | |
| 		}
 | |
| 		c = ast_walk_contexts(c);
 | |
| 	}
 | |
| 
 | |
| 	/* we can't find the right one context */
 | |
| 	ast_unlock_contexts();
 | |
| 	return -1;
 | |
| }
 | |
| 
 | |
| /*
 | |
|  * When we call this function, &conlock lock must be locked, because when
 | |
|  * we giving *con argument, some process can remove/change this context
 | |
|  * and after that there can be segfault.
 | |
|  *
 | |
|  * This function locks given context, removes include, unlock context and
 | |
|  * return.
 | |
|  */
 | |
| int ast_context_remove_include2(struct ast_context *con, const char *include, const char *registrar)
 | |
| {
 | |
| 	struct ast_include *i, *pi = NULL;
 | |
| 
 | |
| 	if (ast_mutex_lock(&con->lock)) return -1;
 | |
| 
 | |
| 	/* walk includes */
 | |
| 	i = con->includes;
 | |
| 	while (i) {
 | |
| 		/* find our include */
 | |
| 		if (!strcmp(i->name, include) && 
 | |
| 			(!registrar || !strcmp(i->registrar, registrar))) {
 | |
| 			/* remove from list */
 | |
| 			if (pi)
 | |
| 				pi->next = i->next;
 | |
| 			else
 | |
| 				con->includes = i->next;
 | |
| 			/* free include and return */
 | |
| 			free(i);
 | |
| 			ast_mutex_unlock(&con->lock);
 | |
| 			return 0;
 | |
| 		}
 | |
| 		pi = i;
 | |
| 		i = i->next;
 | |
| 	}
 | |
| 
 | |
| 	/* we can't find the right include */
 | |
| 	ast_mutex_unlock(&con->lock);
 | |
| 	return -1;
 | |
| }
 | |
| 
 | |
| /*
 | |
|  * This function locks contexts list by &conlist, search for the rigt context
 | |
|  * structure, leave context list locked and call ast_context_remove_switch2
 | |
|  * which removes switch, unlock contexts list and return ...
 | |
|  */
 | |
| int ast_context_remove_switch(const char *context, const char *sw, const char *data, const char *registrar)
 | |
| {
 | |
| 	struct ast_context *c;
 | |
| 
 | |
| 	if (ast_lock_contexts()) return -1;
 | |
| 
 | |
| 	/* walk contexts and search for the right one ...*/
 | |
| 	c = ast_walk_contexts(NULL);
 | |
| 	while (c) {
 | |
| 		/* we found one ... */
 | |
| 		if (!strcmp(ast_get_context_name(c), context)) {
 | |
| 			int ret;
 | |
| 			/* remove switch from this context ... */	
 | |
| 			ret = ast_context_remove_switch2(c, sw, data, registrar);
 | |
| 
 | |
| 			ast_unlock_contexts();
 | |
| 
 | |
| 			/* ... return results */
 | |
| 			return ret;
 | |
| 		}
 | |
| 		c = ast_walk_contexts(c);
 | |
| 	}
 | |
| 
 | |
| 	/* we can't find the right one context */
 | |
| 	ast_unlock_contexts();
 | |
| 	return -1;
 | |
| }
 | |
| 
 | |
| /*
 | |
|  * When we call this function, &conlock lock must be locked, because when
 | |
|  * we giving *con argument, some process can remove/change this context
 | |
|  * and after that there can be segfault.
 | |
|  *
 | |
|  * This function locks given context, removes switch, unlock context and
 | |
|  * return.
 | |
|  */
 | |
| int ast_context_remove_switch2(struct ast_context *con, const char *sw, const char *data, const char *registrar)
 | |
| {
 | |
| 	struct ast_sw *i, *pi = NULL;
 | |
| 
 | |
| 	if (ast_mutex_lock(&con->lock)) return -1;
 | |
| 
 | |
| 	/* walk switchs */
 | |
| 	i = con->alts;
 | |
| 	while (i) {
 | |
| 		/* find our switch */
 | |
| 		if (!strcmp(i->name, sw) && !strcmp(i->data, data) && 
 | |
| 			(!registrar || !strcmp(i->registrar, registrar))) {
 | |
| 			/* remove from list */
 | |
| 			if (pi)
 | |
| 				pi->next = i->next;
 | |
| 			else
 | |
| 				con->alts = i->next;
 | |
| 			/* free switch and return */
 | |
| 			free(i);
 | |
| 			ast_mutex_unlock(&con->lock);
 | |
| 			return 0;
 | |
| 		}
 | |
| 		pi = i;
 | |
| 		i = i->next;
 | |
| 	}
 | |
| 
 | |
| 	/* we can't find the right switch */
 | |
| 	ast_mutex_unlock(&con->lock);
 | |
| 	return -1;
 | |
| }
 | |
| 
 | |
| /*
 | |
|  * This functions lock contexts list, search for the right context,
 | |
|  * call ast_context_remove_extension2, unlock contexts list and return.
 | |
|  * In this function we are using
 | |
|  */
 | |
| int ast_context_remove_extension(const char *context, const char *extension, int priority, const char *registrar)
 | |
| {
 | |
| 	struct ast_context *c;
 | |
| 
 | |
| 	if (ast_lock_contexts()) return -1;
 | |
| 
 | |
| 	/* walk contexts ... */
 | |
| 	c = ast_walk_contexts(NULL);
 | |
| 	while (c) {
 | |
| 		/* ... search for the right one ... */
 | |
| 		if (!strcmp(ast_get_context_name(c), context)) {
 | |
| 			/* ... remove extension ... */
 | |
| 			int ret = ast_context_remove_extension2(c, extension, priority,
 | |
| 				registrar);
 | |
| 			/* ... unlock contexts list and return */
 | |
| 			ast_unlock_contexts();
 | |
| 			return ret;
 | |
| 		}
 | |
| 		c = ast_walk_contexts(c);
 | |
| 	}
 | |
| 
 | |
| 	/* we can't find the right context */
 | |
| 	ast_unlock_contexts();
 | |
| 	return -1;
 | |
| }
 | |
| 
 | |
| /*
 | |
|  * When do you want to call this function, make sure that &conlock is locked,
 | |
|  * because some process can handle with your *con context before you lock
 | |
|  * it.
 | |
|  *
 | |
|  * This functionc locks given context, search for the right extension and
 | |
|  * fires out all peer in this extensions with given priority. If priority
 | |
|  * is set to 0, all peers are removed. After that, unlock context and
 | |
|  * return.
 | |
|  */
 | |
| int ast_context_remove_extension2(struct ast_context *con, const char *extension, int priority, const char *registrar)
 | |
| {
 | |
| 	struct ast_exten *exten, *prev_exten = NULL;
 | |
| 
 | |
| 	if (ast_mutex_lock(&con->lock)) return -1;
 | |
| 
 | |
| 	/* go through all extensions in context and search the right one ... */
 | |
| 	exten = con->root;
 | |
| 	while (exten) {
 | |
| 
 | |
| 		/* look for right extension */
 | |
| 		if (!strcmp(exten->exten, extension) &&
 | |
| 			(!registrar || !strcmp(exten->registrar, registrar))) {
 | |
| 			struct ast_exten *peer;
 | |
| 
 | |
| 			/* should we free all peers in this extension? (priority == 0)? */
 | |
| 			if (priority == 0) {
 | |
| 				/* remove this extension from context list */
 | |
| 				if (prev_exten)
 | |
| 					prev_exten->next = exten->next;
 | |
| 				else
 | |
| 					con->root = exten->next;
 | |
| 
 | |
| 				/* fire out all peers */
 | |
| 				peer = exten; 
 | |
| 				while (peer) {
 | |
| 					exten = peer->peer;
 | |
| 					
 | |
| 					if (!peer->priority==PRIORITY_HINT) 
 | |
| 					    ast_remove_hint(peer);
 | |
| 
 | |
| 					peer->datad(peer->data);
 | |
| 					free(peer);
 | |
| 
 | |
| 					peer = exten;
 | |
| 				}
 | |
| 
 | |
| 				ast_mutex_unlock(&con->lock);
 | |
| 				return 0;
 | |
| 			} else {
 | |
| 				/* remove only extension with exten->priority == priority */
 | |
| 				struct ast_exten *previous_peer = NULL;
 | |
| 
 | |
| 				peer = exten;
 | |
| 				while (peer) {
 | |
| 					/* is this our extension? */
 | |
| 					if (peer->priority == priority &&
 | |
| 						(!registrar || !strcmp(peer->registrar, registrar) )) {
 | |
| 						/* we are first priority extension? */
 | |
| 						if (!previous_peer) {
 | |
| 							/* exists previous extension here? */
 | |
| 							if (prev_exten) {
 | |
| 								/* yes, so we must change next pointer in
 | |
| 								 * previous connection to next peer
 | |
| 								 */
 | |
| 								if (peer->peer) {
 | |
| 									prev_exten->next = peer->peer;
 | |
| 									peer->peer->next = exten->next;
 | |
| 								} else
 | |
| 									prev_exten->next = exten->next;
 | |
| 							} else {
 | |
| 								/* no previous extension, we are first
 | |
| 								 * extension, so change con->root ...
 | |
| 								 */
 | |
| 								if (peer->peer)
 | |
| 									con->root = peer->peer;
 | |
| 								else
 | |
| 									con->root = exten->next; 
 | |
| 							}
 | |
| 						} else {
 | |
| 							/* we are not first priority in extension */
 | |
| 							previous_peer->peer = peer->peer;
 | |
| 						}
 | |
| 
 | |
| 						/* now, free whole priority extension */
 | |
| 						if (peer->priority==PRIORITY_HINT)
 | |
| 						    ast_remove_hint(peer);
 | |
| 						peer->datad(peer->data);
 | |
| 						free(peer);
 | |
| 
 | |
| 						ast_mutex_unlock(&con->lock);
 | |
| 						return 0;
 | |
| 					} else {
 | |
| 						/* this is not right extension, skip to next peer */
 | |
| 						previous_peer = peer;
 | |
| 						peer = peer->peer;
 | |
| 					}
 | |
| 				}
 | |
| 
 | |
| 				ast_mutex_unlock(&con->lock);
 | |
| 				return -1;
 | |
| 			}
 | |
| 		}
 | |
| 
 | |
| 		prev_exten = exten;
 | |
| 		exten = exten->next;
 | |
| 	}
 | |
| 
 | |
| 	/* we can't find right extension */
 | |
| 	ast_mutex_unlock(&con->lock);
 | |
| 	return -1;
 | |
| }
 | |
| 
 | |
| 
 | |
| int ast_register_application(const char *app, int (*execute)(struct ast_channel *, void *), const char *synopsis, const char *description)
 | |
| {
 | |
| 	struct ast_app *tmp, *prev, *cur;
 | |
| 	char tmps[80];
 | |
| 	int length;
 | |
| 	length = sizeof(struct ast_app);
 | |
| 	length += strlen(app) + 1;
 | |
| 	if (ast_mutex_lock(&applock)) {
 | |
| 		ast_log(LOG_ERROR, "Unable to lock application list\n");
 | |
| 		return -1;
 | |
| 	}
 | |
| 	tmp = apps;
 | |
| 	while(tmp) {
 | |
| 		if (!strcasecmp(app, tmp->name)) {
 | |
| 			ast_log(LOG_WARNING, "Already have an application '%s'\n", app);
 | |
| 			ast_mutex_unlock(&applock);
 | |
| 			return -1;
 | |
| 		}
 | |
| 		tmp = tmp->next;
 | |
| 	}
 | |
| 	tmp = malloc(length);
 | |
| 	if (tmp) {
 | |
| 		memset(tmp, 0, length);
 | |
| 		strcpy(tmp->name, app);
 | |
| 		tmp->execute = execute;
 | |
| 		tmp->synopsis = synopsis;
 | |
| 		tmp->description = description;
 | |
| 		/* Store in alphabetical order */
 | |
| 		cur = apps;
 | |
| 		prev = NULL;
 | |
| 		while(cur) {
 | |
| 			if (strcasecmp(tmp->name, cur->name) < 0)
 | |
| 				break;
 | |
| 			prev = cur;
 | |
| 			cur = cur->next;
 | |
| 		}
 | |
| 		if (prev) {
 | |
| 			tmp->next = prev->next;
 | |
| 			prev->next = tmp;
 | |
| 		} else {
 | |
| 			tmp->next = apps;
 | |
| 			apps = tmp;
 | |
| 		}
 | |
| 	} else {
 | |
| 		ast_log(LOG_ERROR, "Out of memory\n");
 | |
| 		ast_mutex_unlock(&applock);
 | |
| 		return -1;
 | |
| 	}
 | |
| 	if (option_verbose > 1)
 | |
| 		ast_verbose( VERBOSE_PREFIX_2 "Registered application '%s'\n", term_color(tmps, tmp->name, COLOR_BRCYAN, 0, sizeof(tmps)));
 | |
| 	ast_mutex_unlock(&applock);
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| int ast_register_switch(struct ast_switch *sw)
 | |
| {
 | |
| 	struct ast_switch *tmp, *prev=NULL;
 | |
| 	if (ast_mutex_lock(&switchlock)) {
 | |
| 		ast_log(LOG_ERROR, "Unable to lock switch lock\n");
 | |
| 		return -1;
 | |
| 	}
 | |
| 	tmp = switches;
 | |
| 	while(tmp) {
 | |
| 		if (!strcasecmp(tmp->name, sw->name))
 | |
| 			break;
 | |
| 		prev = tmp;
 | |
| 		tmp = tmp->next;
 | |
| 	}
 | |
| 	if (tmp) {	
 | |
| 		ast_mutex_unlock(&switchlock);
 | |
| 		ast_log(LOG_WARNING, "Switch '%s' already found\n", sw->name);
 | |
| 		return -1;
 | |
| 	}
 | |
| 	sw->next = NULL;
 | |
| 	if (prev) 
 | |
| 		prev->next = sw;
 | |
| 	else
 | |
| 		switches = sw;
 | |
| 	ast_mutex_unlock(&switchlock);
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| void ast_unregister_switch(struct ast_switch *sw)
 | |
| {
 | |
| 	struct ast_switch *tmp, *prev=NULL;
 | |
| 	if (ast_mutex_lock(&switchlock)) {
 | |
| 		ast_log(LOG_ERROR, "Unable to lock switch lock\n");
 | |
| 		return;
 | |
| 	}
 | |
| 	tmp = switches;
 | |
| 	while(tmp) {
 | |
| 		if (tmp == sw) {
 | |
| 			if (prev)
 | |
| 				prev->next = tmp->next;
 | |
| 			else
 | |
| 				switches = tmp->next;
 | |
| 			tmp->next = NULL;
 | |
| 			break;			
 | |
| 		}
 | |
| 		prev = tmp;
 | |
| 		tmp = tmp->next;
 | |
| 	}
 | |
| 	ast_mutex_unlock(&switchlock);
 | |
| }
 | |
| 
 | |
| /*
 | |
|  * Help for CLI commands ...
 | |
|  */
 | |
| static char show_application_help[] = 
 | |
| "Usage: show application <application> [<application> [<application> [...]]]\n"
 | |
| "       Describes a particular application.\n";
 | |
| 
 | |
| static char show_applications_help[] =
 | |
| "Usage: show applications [{like|describing} <text>]\n"
 | |
| "       List applications which are currently available.\n"
 | |
| "       If 'like', <text> will be a substring of the app name\n"
 | |
| "       If 'describing', <text> will be a substring of the description\n";
 | |
| 
 | |
| static char show_dialplan_help[] =
 | |
| "Usage: show dialplan [exten@][context]\n"
 | |
| "       Show dialplan\n";
 | |
| 
 | |
| static char show_switches_help[] = 
 | |
| "Usage: show switches\n"
 | |
| "       Show registered switches\n";
 | |
| 
 | |
| /*
 | |
|  * IMPLEMENTATION OF CLI FUNCTIONS IS IN THE SAME ORDER AS COMMANDS HELPS
 | |
|  *
 | |
|  */
 | |
| 
 | |
| /*
 | |
|  * 'show application' CLI command implementation functions ...
 | |
|  */
 | |
| 
 | |
| /*
 | |
|  * There is a possibility to show informations about more than one
 | |
|  * application at one time. You can type 'show application Dial Echo' and
 | |
|  * you will see informations about these two applications ...
 | |
|  */
 | |
| static char *complete_show_application(char *line, char *word,
 | |
| 	int pos, int state)
 | |
| {
 | |
| 	struct ast_app *a;
 | |
| 	int which = 0;
 | |
| 
 | |
| 	/* try to lock applications list ... */
 | |
| 	if (ast_mutex_lock(&applock)) {
 | |
| 		ast_log(LOG_ERROR, "Unable to lock application list\n");
 | |
| 		return NULL;
 | |
| 	}
 | |
| 
 | |
| 	/* ... walk all applications ... */
 | |
| 	a = apps; 
 | |
| 	while (a) {
 | |
| 		/* ... check if word matches this application ... */
 | |
| 		if (!strncasecmp(word, a->name, strlen(word))) {
 | |
| 			/* ... if this is right app serve it ... */
 | |
| 			if (++which > state) {
 | |
| 				char *ret = strdup(a->name);
 | |
| 				ast_mutex_unlock(&applock);
 | |
| 				return ret;
 | |
| 			}
 | |
| 		}
 | |
| 		a = a->next; 
 | |
| 	}
 | |
| 
 | |
| 	/* no application match */
 | |
| 	ast_mutex_unlock(&applock);
 | |
| 	return NULL; 
 | |
| }
 | |
| 
 | |
| static int handle_show_application(int fd, int argc, char *argv[])
 | |
| {
 | |
| 	struct ast_app *a;
 | |
| 	int app, no_registered_app = 1;
 | |
| 
 | |
| 	if (argc < 3) return RESULT_SHOWUSAGE;
 | |
| 
 | |
| 	/* try to lock applications list ... */
 | |
| 	if (ast_mutex_lock(&applock)) {
 | |
| 		ast_log(LOG_ERROR, "Unable to lock application list\n");
 | |
| 		return -1;
 | |
| 	}
 | |
| 
 | |
| 	/* ... go through all applications ... */
 | |
| 	a = apps; 
 | |
| 	while (a) {
 | |
| 		/* ... compare this application name with all arguments given
 | |
| 		 * to 'show application' command ... */
 | |
| 		for (app = 2; app < argc; app++) {
 | |
| 			if (!strcasecmp(a->name, argv[app])) {
 | |
| 				/* Maximum number of characters added by terminal coloring is 22 */
 | |
| 				char infotitle[64 + AST_MAX_APP + 22], syntitle[40], destitle[40];
 | |
| 				char info[64 + AST_MAX_APP], *synopsis = NULL, *description = NULL;
 | |
| 				int synopsis_size, description_size;
 | |
| 
 | |
| 				no_registered_app = 0;
 | |
| 
 | |
| 				if (a->synopsis)
 | |
| 					synopsis_size = strlen(a->synopsis) + 23;
 | |
| 				else
 | |
| 					synopsis_size = strlen("Not available") + 23;
 | |
| 				synopsis = alloca(synopsis_size);
 | |
| 
 | |
| 				if (a->description)
 | |
| 					description_size = strlen(a->description) + 23;
 | |
| 				else
 | |
| 					description_size = strlen("Not available") + 23;
 | |
| 				description = alloca(description_size);
 | |
| 
 | |
| 				if (synopsis && description) {
 | |
| 					snprintf(info, 64 + AST_MAX_APP, "\n  -= Info about application '%s' =- \n\n", a->name);
 | |
| 					term_color(infotitle, info, COLOR_MAGENTA, 0, 64 + AST_MAX_APP + 22);
 | |
| 					term_color(syntitle, "[Synopsis]:\n", COLOR_MAGENTA, 0, 40);
 | |
| 					term_color(destitle, "[Description]:\n", COLOR_MAGENTA, 0, 40);
 | |
| 					term_color(synopsis,
 | |
| 									a->synopsis ? a->synopsis : "Not available",
 | |
| 									COLOR_CYAN, 0, synopsis_size);
 | |
| 					term_color(description,
 | |
| 									a->description ? a->description : "Not available",
 | |
| 									COLOR_CYAN, 0, description_size);
 | |
| 
 | |
| 					ast_cli(fd,"%s%s%s\n\n%s%s\n", infotitle, syntitle, synopsis, destitle, description);
 | |
| 				} else {
 | |
| 					/* ... one of our applications, show info ...*/
 | |
| 					ast_cli(fd,"\n  -= Info about application '%s' =- \n\n"
 | |
| 						"[Synopsis]:\n  %s\n\n"
 | |
| 						"[Description]:\n%s\n",
 | |
| 						a->name,
 | |
| 						a->synopsis ? a->synopsis : "Not available",
 | |
| 						a->description ? a->description : "Not available");
 | |
| 				}
 | |
| 			}
 | |
| 		}
 | |
| 		a = a->next; 
 | |
| 	}
 | |
| 
 | |
| 	ast_mutex_unlock(&applock);
 | |
| 
 | |
| 	/* we found at least one app? no? */
 | |
| 	if (no_registered_app) {
 | |
| 		ast_cli(fd, "Your application(s) is (are) not registered\n");
 | |
| 		return RESULT_FAILURE;
 | |
| 	}
 | |
| 
 | |
| 	return RESULT_SUCCESS;
 | |
| }
 | |
| 
 | |
| static int handle_show_switches(int fd, int argc, char *argv[])
 | |
| {
 | |
| 	struct ast_switch *sw;
 | |
| 	if (!switches) {
 | |
| 		ast_cli(fd, "There are no registered alternative switches\n");
 | |
| 		return RESULT_SUCCESS;
 | |
| 	}
 | |
| 	/* ... we have applications ... */
 | |
| 	ast_cli(fd, "\n    -= Registered Asterisk Alternative Switches =-\n");
 | |
| 	if (ast_mutex_lock(&switchlock)) {
 | |
| 		ast_log(LOG_ERROR, "Unable to lock switches\n");
 | |
| 		return -1;
 | |
| 	}
 | |
| 	sw = switches;
 | |
| 	while (sw) {
 | |
| 		ast_cli(fd, "%s: %s\n", sw->name, sw->description);
 | |
| 		sw = sw->next;
 | |
| 	}
 | |
| 	ast_mutex_unlock(&switchlock);
 | |
| 	return RESULT_SUCCESS;
 | |
| }
 | |
| 
 | |
| /*
 | |
|  * 'show applications' CLI command implementation functions ...
 | |
|  */
 | |
| static int handle_show_applications(int fd, int argc, char *argv[])
 | |
| {
 | |
| 	struct ast_app *a;
 | |
| 	int like=0, describing=0;
 | |
| 	int total_match = 0; 	/* Number of matches in like clause */
 | |
| 	int total_apps = 0; 	/* Number of apps registered */
 | |
| 	
 | |
| 	/* try to lock applications list ... */
 | |
| 	if (ast_mutex_lock(&applock)) {
 | |
| 		ast_log(LOG_ERROR, "Unable to lock application list\n");
 | |
| 		return -1;
 | |
| 	}
 | |
| 
 | |
| 	/* ... have we got at least one application (first)? no? */
 | |
| 	if (!apps) {
 | |
| 		ast_cli(fd, "There are no registered applications\n");
 | |
| 		ast_mutex_unlock(&applock);
 | |
| 		return -1;
 | |
| 	}
 | |
| 
 | |
| 	/* show applications like <keyword> */
 | |
| 	if ((argc == 4) && (!strcmp(argv[2], "like"))) {
 | |
| 		like = 1;
 | |
| 	} else if ((argc > 3) && (!strcmp(argv[2], "describing"))) {
 | |
| 		describing = 1;
 | |
| 	}
 | |
| 
 | |
| 	/* show applications describing <keyword1> [<keyword2>] [...] */
 | |
| 	if ((!like) && (!describing)) {
 | |
| 		ast_cli(fd, "    -= Registered Asterisk Applications =-\n");
 | |
| 	} else {
 | |
| 		ast_cli(fd, "    -= Matching Asterisk Applications =-\n");
 | |
| 	}
 | |
| 
 | |
| 	/* ... go through all applications ... */
 | |
| 	for (a = apps; a; a = a->next) {
 | |
| 		/* ... show informations about applications ... */
 | |
| 		int printapp=0;
 | |
| 		total_apps++;
 | |
| 		if (like) {
 | |
| 			if (ast_strcasestr(a->name, argv[3])) {
 | |
| 				printapp = 1;
 | |
| 				total_match++;
 | |
| 			}
 | |
| 		} else if (describing) {
 | |
| 			if (a->description) {
 | |
| 				/* Match all words on command line */
 | |
| 				int i;
 | |
| 				printapp = 1;
 | |
| 				for (i=3;i<argc;i++) {
 | |
| 					if (! ast_strcasestr(a->description, argv[i])) {
 | |
| 						printapp = 0;
 | |
| 					} else {
 | |
| 						total_match++;
 | |
| 					}
 | |
| 				}
 | |
| 			}
 | |
| 		} else {
 | |
| 			printapp = 1;
 | |
| 		}
 | |
| 
 | |
| 		if (printapp) {
 | |
| 			ast_cli(fd,"  %20s: %s\n", a->name, a->synopsis ? a->synopsis : "<Synopsis not available>");
 | |
| 		}
 | |
| 	}
 | |
|         if ((!like) && (!describing)) {
 | |
| 		ast_cli(fd, "    -= %d Applications Registered =-\n",total_apps);
 | |
| 	} else {
 | |
| 		ast_cli(fd, "    -= %d Applications Matching =-\n",total_match);
 | |
| 	}
 | |
| 	
 | |
| 	/* ... unlock and return */
 | |
| 	ast_mutex_unlock(&applock);
 | |
| 
 | |
| 	return RESULT_SUCCESS;
 | |
| }
 | |
| 
 | |
| static char *complete_show_applications(char *line, char *word, int pos, int state)
 | |
| {
 | |
| 	if (pos == 2) {
 | |
| 		if (ast_strlen_zero(word)) {
 | |
| 			switch (state) {
 | |
| 			case 0:
 | |
| 				return strdup("like");
 | |
| 			case 1:
 | |
| 				return strdup("describing");
 | |
| 			default:
 | |
| 				return NULL;
 | |
| 			}
 | |
| 		} else if (! strncasecmp(word, "like", strlen(word))) {
 | |
| 			if (state == 0) {
 | |
| 				return strdup("like");
 | |
| 			} else {
 | |
| 				return NULL;
 | |
| 			}
 | |
| 		} else if (! strncasecmp(word, "describing", strlen(word))) {
 | |
| 			if (state == 0) {
 | |
| 				return strdup("describing");
 | |
| 			} else {
 | |
| 				return NULL;
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| 	return NULL;
 | |
| }
 | |
| 
 | |
| /*
 | |
|  * 'show dialplan' CLI command implementation functions ...
 | |
|  */
 | |
| static char *complete_show_dialplan_context(char *line, char *word, int pos,
 | |
| 	int state)
 | |
| {
 | |
| 	struct ast_context *c;
 | |
| 	int which = 0;
 | |
| 
 | |
| 	/* we are do completion of [exten@]context on second position only */
 | |
| 	if (pos != 2) return NULL;
 | |
| 
 | |
| 	/* try to lock contexts list ... */
 | |
| 	if (ast_lock_contexts()) {
 | |
| 		ast_log(LOG_ERROR, "Unable to lock context list\n");
 | |
| 		return NULL;
 | |
| 	}
 | |
| 
 | |
| 	/* ... walk through all contexts ... */
 | |
| 	c = ast_walk_contexts(NULL);
 | |
| 	while(c) {
 | |
| 		/* ... word matches context name? yes? ... */
 | |
| 		if (!strncasecmp(word, ast_get_context_name(c), strlen(word))) {
 | |
| 			/* ... for serve? ... */
 | |
| 			if (++which > state) {
 | |
| 				/* ... yes, serve this context name ... */
 | |
| 				char *ret = strdup(ast_get_context_name(c));
 | |
| 				ast_unlock_contexts();
 | |
| 				return ret;
 | |
| 			}
 | |
| 		}
 | |
| 		c = ast_walk_contexts(c);
 | |
| 	}
 | |
| 
 | |
| 	/* ... unlock and return */
 | |
| 	ast_unlock_contexts();
 | |
| 	return NULL;
 | |
| }
 | |
| 
 | |
| struct dialplan_counters {
 | |
| 	int total_context;
 | |
| 	int total_exten;
 | |
| 	int total_prio;
 | |
| 	int context_existence;
 | |
| 	int extension_existence;
 | |
| };
 | |
| 
 | |
| static int show_dialplan_helper(int fd, char *context, char *exten, struct dialplan_counters *dpc, struct ast_include *rinclude)
 | |
| {
 | |
| 	struct ast_context *c;
 | |
| 	int res=0, old_total_exten = dpc->total_exten;
 | |
| 
 | |
| 	/* try to lock contexts */
 | |
| 	if (ast_lock_contexts()) {
 | |
| 		ast_log(LOG_WARNING, "Failed to lock contexts list\n");
 | |
| 		return -1;
 | |
| 	}
 | |
| 
 | |
| 	/* walk all contexts ... */
 | |
| 	for (c = ast_walk_contexts(NULL); c ; c = ast_walk_contexts(c)) {
 | |
| 		/* show this context? */
 | |
| 		if (!context ||
 | |
| 			!strcmp(ast_get_context_name(c), context)) {
 | |
| 			dpc->context_existence = 1;
 | |
| 
 | |
| 			/* try to lock context before walking in ... */
 | |
| 			if (!ast_lock_context(c)) {
 | |
| 				struct ast_exten *e;
 | |
| 				struct ast_include *i;
 | |
| 				struct ast_ignorepat *ip;
 | |
| 				struct ast_sw *sw;
 | |
| 				char buf[256], buf2[256];
 | |
| 				int context_info_printed = 0;
 | |
| 
 | |
| 				/* are we looking for exten too? if yes, we print context
 | |
| 				 * if we our extension only
 | |
| 				 */
 | |
| 				if (!exten) {
 | |
| 					dpc->total_context++;
 | |
| 					ast_cli(fd, "[ Context '%s' created by '%s' ]\n",
 | |
| 						ast_get_context_name(c), ast_get_context_registrar(c));
 | |
| 					context_info_printed = 1;
 | |
| 				}
 | |
| 
 | |
| 				/* walk extensions ... */
 | |
| 				for (e = ast_walk_context_extensions(c, NULL); e; e = ast_walk_context_extensions(c, e)) {
 | |
| 					struct ast_exten *p;
 | |
| 					int prio;
 | |
| 
 | |
| 					/* looking for extension? is this our extension? */
 | |
| 					if (exten &&
 | |
| 						!ast_extension_match(ast_get_extension_name(e), exten))
 | |
| 					{
 | |
| 						/* we are looking for extension and it's not our
 | |
|  						 * extension, so skip to next extension */
 | |
| 						continue;
 | |
| 					}
 | |
| 
 | |
| 					dpc->extension_existence = 1;
 | |
| 
 | |
| 					/* may we print context info? */	
 | |
| 					if (!context_info_printed) {
 | |
| 						dpc->total_context++;
 | |
| 						if (rinclude) {
 | |
| 							/* TODO Print more info about rinclude */
 | |
| 							ast_cli(fd, "[ Included context '%s' created by '%s' ]\n",
 | |
| 								ast_get_context_name(c),
 | |
| 								ast_get_context_registrar(c));
 | |
| 						} else {
 | |
| 							ast_cli(fd, "[ Context '%s' created by '%s' ]\n",
 | |
| 								ast_get_context_name(c),
 | |
| 								ast_get_context_registrar(c));
 | |
| 						}
 | |
| 						context_info_printed = 1;
 | |
| 					}
 | |
| 					dpc->total_prio++;
 | |
| 
 | |
| 					/* write extension name and first peer */	
 | |
| 					bzero(buf, sizeof(buf));		
 | |
| 					snprintf(buf, sizeof(buf), "'%s' =>",
 | |
| 						ast_get_extension_name(e));
 | |
| 
 | |
| 					prio = ast_get_extension_priority(e);
 | |
| 					if (prio == PRIORITY_HINT) {
 | |
| 						snprintf(buf2, sizeof(buf2),
 | |
| 							"hint: %s",
 | |
| 							ast_get_extension_app(e));
 | |
| 					} else {
 | |
| 						snprintf(buf2, sizeof(buf2),
 | |
| 							"%d. %s(%s)",
 | |
| 							prio,
 | |
| 							ast_get_extension_app(e),
 | |
| 							(char *)ast_get_extension_app_data(e));
 | |
| 					}
 | |
| 
 | |
| 					ast_cli(fd, "  %-17s %-45s [%s]\n", buf, buf2,
 | |
| 						ast_get_extension_registrar(e));
 | |
| 
 | |
| 					dpc->total_exten++;
 | |
| 					/* walk next extension peers */
 | |
| 					for (p=ast_walk_extension_priorities(e, e); p; p=ast_walk_extension_priorities(e, p)) {
 | |
| 						dpc->total_prio++;
 | |
| 						bzero((void *)buf2, sizeof(buf2));
 | |
| 						bzero((void *)buf, sizeof(buf));
 | |
| 						if (ast_get_extension_label(p))
 | |
| 							snprintf(buf, sizeof(buf), "   [%s]", ast_get_extension_label(p));
 | |
| 						prio = ast_get_extension_priority(p);
 | |
| 						if (prio == PRIORITY_HINT) {
 | |
| 							snprintf(buf2, sizeof(buf2),
 | |
| 								"hint: %s",
 | |
| 								ast_get_extension_app(p));
 | |
| 						} else {
 | |
| 							snprintf(buf2, sizeof(buf2),
 | |
| 								"%d. %s(%s)",
 | |
| 								prio,
 | |
| 								ast_get_extension_app(p),
 | |
| 								(char *)ast_get_extension_app_data(p));
 | |
| 						}
 | |
| 
 | |
| 						ast_cli(fd,"  %-17s %-45s [%s]\n",
 | |
| 							buf, buf2,
 | |
| 							ast_get_extension_registrar(p));
 | |
| 					}
 | |
| 				}
 | |
| 
 | |
| 				/* walk included and write info ... */
 | |
| 				for (i = ast_walk_context_includes(c, NULL); i; i = ast_walk_context_includes(c, i)) {
 | |
| 					bzero(buf, sizeof(buf));
 | |
| 					snprintf(buf, sizeof(buf), "'%s'",
 | |
| 						ast_get_include_name(i));
 | |
| 					if (exten) {
 | |
| 						/* Check all includes for the requested extension */
 | |
| 						show_dialplan_helper(fd, (char *)ast_get_include_name(i), exten, dpc, i);
 | |
| 					} else {
 | |
| 						ast_cli(fd, "  Include =>        %-45s [%s]\n",
 | |
| 							buf, ast_get_include_registrar(i));
 | |
| 					}
 | |
| 				}
 | |
| 
 | |
| 				/* walk ignore patterns and write info ... */
 | |
| 				for (ip=ast_walk_context_ignorepats(c, NULL); ip; ip=ast_walk_context_ignorepats(c, ip)) {
 | |
| 					const char *ipname = ast_get_ignorepat_name(ip);
 | |
| 					char ignorepat[AST_MAX_EXTENSION];
 | |
| 					snprintf(buf, sizeof(buf), "'%s'", ipname);
 | |
| 					snprintf(ignorepat, sizeof(ignorepat), "_%s.", ipname);
 | |
| 					if ((!exten) || ast_extension_match(ignorepat, exten)) {
 | |
| 						ast_cli(fd, "  Ignore pattern => %-45s [%s]\n",
 | |
| 							buf, ast_get_ignorepat_registrar(ip));
 | |
| 					}
 | |
| 				}
 | |
| 				if (!rinclude) {
 | |
| 					for (sw = ast_walk_context_switches(c, NULL); sw; sw = ast_walk_context_switches(c, sw)) {
 | |
| 						snprintf(buf, sizeof(buf), "'%s/%s'",
 | |
| 							ast_get_switch_name(sw),
 | |
| 							ast_get_switch_data(sw));
 | |
| 						ast_cli(fd, "  Alt. Switch =>    %-45s [%s]\n",
 | |
| 							buf, ast_get_switch_registrar(sw));	
 | |
| 					}
 | |
| 				}
 | |
| 	
 | |
| 				ast_unlock_context(c);
 | |
| 
 | |
| 				/* if we print something in context, make an empty line */
 | |
| 				if (context_info_printed) ast_cli(fd, "\r\n");
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| 	ast_unlock_contexts();
 | |
| 
 | |
| 	if (dpc->total_exten == old_total_exten) {
 | |
| 		/* Nothing new under the sun */
 | |
| 		return -1;
 | |
| 	} else {
 | |
| 		return res;
 | |
| 	}
 | |
| }
 | |
| 
 | |
| static int handle_show_dialplan(int fd, int argc, char *argv[])
 | |
| {
 | |
| 	char *exten = NULL, *context = NULL;
 | |
| 	/* Variables used for different counters */
 | |
| 	struct dialplan_counters counters;
 | |
| 
 | |
| 	memset(&counters, 0, sizeof(counters));
 | |
| 
 | |
| 	if (argc != 2 && argc != 3) return RESULT_SHOWUSAGE;
 | |
| 
 | |
| 	/* we obtain [exten@]context? if yes, split them ... */
 | |
| 	if (argc == 3) {
 | |
| 		char *splitter = ast_strdupa(argv[2]);
 | |
| 		/* is there a '@' character? */
 | |
| 		if (splitter && strchr(argv[2], '@')) {
 | |
| 			/* yes, split into exten & context ... */
 | |
| 			exten   = strsep(&splitter, "@");
 | |
| 			context = splitter;
 | |
| 
 | |
| 			/* check for length and change to NULL if ast_strlen_zero() */
 | |
| 			if (ast_strlen_zero(exten))   exten = NULL;
 | |
| 			if (ast_strlen_zero(context)) context = NULL;
 | |
| 			show_dialplan_helper(fd, context, exten, &counters, NULL);
 | |
| 		} else {
 | |
| 			/* no '@' char, only context given */
 | |
| 			context = argv[2];
 | |
| 			if (ast_strlen_zero(context)) context = NULL;
 | |
| 			show_dialplan_helper(fd, context, exten, &counters, NULL);
 | |
| 		}
 | |
| 	} else {
 | |
| 		show_dialplan_helper(fd, NULL, NULL, &counters, NULL);
 | |
| 	}
 | |
| 
 | |
| 	/* check for input failure and throw some error messages */
 | |
| 	if (context && !counters.context_existence) {
 | |
| 		ast_cli(fd, "There is no existence of '%s' context\n", context);
 | |
| 		return RESULT_FAILURE;
 | |
| 	}
 | |
| 
 | |
| 	if (exten && !counters.extension_existence) {
 | |
| 		if (context)
 | |
| 			ast_cli(fd, "There is no existence of %s@%s extension\n",
 | |
| 				exten, context);
 | |
| 		else
 | |
| 			ast_cli(fd,
 | |
| 				"There is no existence of '%s' extension in all contexts\n",
 | |
| 				exten);
 | |
| 		return RESULT_FAILURE;
 | |
| 	}
 | |
| 
 | |
| 	ast_cli(fd,"-= %d extensions (%d priorities) in %d contexts. =-\n",
 | |
| 				counters.total_exten, counters.total_prio, counters.total_context);
 | |
| 
 | |
| 	/* everything ok */
 | |
| 	return RESULT_SUCCESS;
 | |
| }
 | |
| 
 | |
| /*
 | |
|  * CLI entries for upper commands ...
 | |
|  */
 | |
| static struct ast_cli_entry show_applications_cli = 
 | |
| 	{ { "show", "applications", NULL }, 
 | |
| 	handle_show_applications, "Shows registered applications",
 | |
| 	show_applications_help, complete_show_applications };
 | |
| 
 | |
| static struct ast_cli_entry show_application_cli =
 | |
| 	{ { "show", "application", NULL }, 
 | |
| 	handle_show_application, "Describe a specific application",
 | |
| 	show_application_help, complete_show_application };
 | |
| 
 | |
| static struct ast_cli_entry show_dialplan_cli =
 | |
| 	{ { "show", "dialplan", NULL },
 | |
| 		handle_show_dialplan, "Show dialplan",
 | |
| 		show_dialplan_help, complete_show_dialplan_context };
 | |
| 
 | |
| static struct ast_cli_entry show_switches_cli =
 | |
| 	{ { "show", "switches", NULL },
 | |
| 		handle_show_switches, "Show alternative switches",
 | |
| 		show_switches_help, NULL };
 | |
| 
 | |
| int ast_unregister_application(const char *app) {
 | |
| 	struct ast_app *tmp, *tmpl = NULL;
 | |
| 	if (ast_mutex_lock(&applock)) {
 | |
| 		ast_log(LOG_ERROR, "Unable to lock application list\n");
 | |
| 		return -1;
 | |
| 	}
 | |
| 	tmp = apps;
 | |
| 	while(tmp) {
 | |
| 		if (!strcasecmp(app, tmp->name)) {
 | |
| 			if (tmpl)
 | |
| 				tmpl->next = tmp->next;
 | |
| 			else
 | |
| 				apps = tmp->next;
 | |
| 			if (option_verbose > 1)
 | |
| 				ast_verbose( VERBOSE_PREFIX_2 "Unregistered application '%s'\n", tmp->name);
 | |
| 			free(tmp);
 | |
| 			ast_mutex_unlock(&applock);
 | |
| 			return 0;
 | |
| 		}
 | |
| 		tmpl = tmp;
 | |
| 		tmp = tmp->next;
 | |
| 	}
 | |
| 	ast_mutex_unlock(&applock);
 | |
| 	return -1;
 | |
| }
 | |
| 
 | |
| struct ast_context *ast_context_create(struct ast_context **extcontexts, const char *name, const char *registrar)
 | |
| {
 | |
| 	struct ast_context *tmp, **local_contexts;
 | |
| 	int length;
 | |
| 	length = sizeof(struct ast_context);
 | |
| 	length += strlen(name) + 1;
 | |
| 	if (!extcontexts) {
 | |
| 		local_contexts = &contexts;
 | |
| 		ast_mutex_lock(&conlock);
 | |
| 	} else
 | |
| 		local_contexts = extcontexts;
 | |
| 
 | |
| 	tmp = *local_contexts;
 | |
| 	while(tmp) {
 | |
| 		if (!strcasecmp(tmp->name, name)) {
 | |
| 			ast_mutex_unlock(&conlock);
 | |
| 			ast_log(LOG_WARNING, "Tried to register context '%s', already in use\n", name);
 | |
| 			if (!extcontexts)
 | |
| 				ast_mutex_unlock(&conlock);
 | |
| 			return NULL;
 | |
| 		}
 | |
| 		tmp = tmp->next;
 | |
| 	}
 | |
| 	tmp = malloc(length);
 | |
| 	if (tmp) {
 | |
| 		memset(tmp, 0, length);
 | |
| 		ast_mutex_init(&tmp->lock);
 | |
| 		strcpy(tmp->name, name);
 | |
| 		tmp->root = NULL;
 | |
| 		tmp->registrar = registrar;
 | |
| 		tmp->next = *local_contexts;
 | |
| 		tmp->includes = NULL;
 | |
| 		tmp->ignorepats = NULL;
 | |
| 		*local_contexts = tmp;
 | |
| 		if (option_debug)
 | |
| 			ast_log(LOG_DEBUG, "Registered context '%s'\n", tmp->name);
 | |
| 		else if (option_verbose > 2)
 | |
| 			ast_verbose( VERBOSE_PREFIX_3 "Registered extension context '%s'\n", tmp->name);
 | |
| 	} else
 | |
| 		ast_log(LOG_ERROR, "Out of memory\n");
 | |
| 	
 | |
| 	if (!extcontexts)
 | |
| 		ast_mutex_unlock(&conlock);
 | |
| 	return tmp;
 | |
| }
 | |
| 
 | |
| void __ast_context_destroy(struct ast_context *con, const char *registrar);
 | |
| 
 | |
| void ast_merge_contexts_and_delete(struct ast_context **extcontexts, const char *registrar) {
 | |
| 	struct ast_context *tmp, *lasttmp = NULL;
 | |
| 	tmp = *extcontexts;
 | |
| 	ast_mutex_lock(&conlock);
 | |
| 	if (registrar) {
 | |
| 		__ast_context_destroy(NULL,registrar);
 | |
| 		while (tmp) {
 | |
| 			lasttmp = tmp;
 | |
| 			tmp = tmp->next;
 | |
| 		}
 | |
| 	} else {
 | |
| 		while (tmp) {
 | |
| 			__ast_context_destroy(tmp,tmp->registrar);
 | |
| 			lasttmp = tmp;
 | |
| 			tmp = tmp->next;
 | |
| 		}
 | |
| 	}
 | |
| 	if (lasttmp) {
 | |
| 		lasttmp->next = contexts;
 | |
| 		contexts = *extcontexts;
 | |
| 		*extcontexts = NULL;
 | |
| 	} else 
 | |
| 		ast_log(LOG_WARNING, "Requested contexts didn't get merged\n");
 | |
| 	ast_mutex_unlock(&conlock);
 | |
| 	return;	
 | |
| }
 | |
| 
 | |
| /*
 | |
|  * errno values
 | |
|  *  EBUSY  - can't lock
 | |
|  *  ENOENT - no existence of context
 | |
|  */
 | |
| int ast_context_add_include(const char *context, const char *include, const char *registrar)
 | |
| {
 | |
| 	struct ast_context *c;
 | |
| 
 | |
| 	if (ast_lock_contexts()) {
 | |
| 		errno = EBUSY;
 | |
| 		return -1;
 | |
| 	}
 | |
| 
 | |
| 	/* walk contexts ... */
 | |
| 	c = ast_walk_contexts(NULL);
 | |
| 	while (c) {
 | |
| 		/* ... search for the right one ... */
 | |
| 		if (!strcmp(ast_get_context_name(c), context)) {
 | |
| 			int ret = ast_context_add_include2(c, include, registrar);
 | |
| 			/* ... unlock contexts list and return */
 | |
| 			ast_unlock_contexts();
 | |
| 			return ret;
 | |
| 		}
 | |
| 		c = ast_walk_contexts(c);
 | |
| 	}
 | |
| 
 | |
| 	/* we can't find the right context */
 | |
| 	ast_unlock_contexts();
 | |
| 	errno = ENOENT;
 | |
| 	return -1;
 | |
| }
 | |
| 
 | |
| #define FIND_NEXT \
 | |
| do { \
 | |
| 	c = info; \
 | |
| 	while(*c && (*c != '|')) c++; \
 | |
| 	if (*c) { *c = '\0'; c++; } else c = NULL; \
 | |
| } while(0)
 | |
| 
 | |
| static void get_timerange(struct ast_timing *i, char *times)
 | |
| {
 | |
| 	char *e;
 | |
| 	int x;
 | |
| 	int s1, s2;
 | |
| 	int e1, e2;
 | |
| 	/*	int cth, ctm; */
 | |
| 
 | |
| 	/* start disabling all times, fill the fields with 0's, as they may contain garbage */
 | |
| 	memset(i->minmask, 0, sizeof(i->minmask));
 | |
| 	
 | |
| 	/* Star is all times */
 | |
| 	if (ast_strlen_zero(times) || !strcmp(times, "*")) {
 | |
| 		for (x=0;x<24;x++)
 | |
| 			i->minmask[x] = (1 << 30) - 1;
 | |
| 		return;
 | |
| 	}
 | |
| 	/* Otherwise expect a range */
 | |
| 	e = strchr(times, '-');
 | |
| 	if (!e) {
 | |
| 		ast_log(LOG_WARNING, "Time range is not valid. Assuming no restrictions based on time.\n");
 | |
| 		return;
 | |
| 	}
 | |
| 	*e = '\0';
 | |
| 	e++;
 | |
| 	while(*e && !isdigit(*e)) e++;
 | |
| 	if (!*e) {
 | |
| 		ast_log(LOG_WARNING, "Invalid time range.  Assuming no restrictions based on time.\n");
 | |
| 		return;
 | |
| 	}
 | |
| 	if (sscanf(times, "%d:%d", &s1, &s2) != 2) {
 | |
| 		ast_log(LOG_WARNING, "%s isn't a time.  Assuming no restrictions based on time.\n", times);
 | |
| 		return;
 | |
| 	}
 | |
| 	if (sscanf(e, "%d:%d", &e1, &e2) != 2) {
 | |
| 		ast_log(LOG_WARNING, "%s isn't a time.  Assuming no restrictions based on time.\n", e);
 | |
| 		return;
 | |
| 	}
 | |
| 
 | |
| #if 1
 | |
| 	s1 = s1 * 30 + s2/2;
 | |
| 	if ((s1 < 0) || (s1 >= 24*30)) {
 | |
| 		ast_log(LOG_WARNING, "%s isn't a valid start time. Assuming no time.\n", times);
 | |
| 		return;
 | |
| 	}
 | |
| 	e1 = e1 * 30 + e2/2;
 | |
| 	if ((e1 < 0) || (e1 >= 24*30)) {
 | |
| 		ast_log(LOG_WARNING, "%s isn't a valid end time. Assuming no time.\n", e);
 | |
| 		return;
 | |
| 	}
 | |
| 	/* Go through the time and enable each appropriate bit */
 | |
| 	for (x=s1;x != e1;x = (x + 1) % (24 * 30)) {
 | |
| 		i->minmask[x/30] |= (1 << (x % 30));
 | |
| 	}
 | |
| 	/* Do the last one */
 | |
| 	i->minmask[x/30] |= (1 << (x % 30));
 | |
| #else
 | |
| 	for (cth=0;cth<24;cth++) {
 | |
| 		/* Initialize masks to blank */
 | |
| 		i->minmask[cth] = 0;
 | |
| 		for (ctm=0;ctm<30;ctm++) {
 | |
| 			if (
 | |
| 			/* First hour with more than one hour */
 | |
| 			      (((cth == s1) && (ctm >= s2)) &&
 | |
| 			       ((cth < e1)))
 | |
| 			/* Only one hour */
 | |
| 			||    (((cth == s1) && (ctm >= s2)) &&
 | |
| 			       ((cth == e1) && (ctm <= e2)))
 | |
| 			/* In between first and last hours (more than 2 hours) */
 | |
| 			||    ((cth > s1) &&
 | |
| 			       (cth < e1))
 | |
| 			/* Last hour with more than one hour */
 | |
| 			||    ((cth > s1) &&
 | |
| 			       ((cth == e1) && (ctm <= e2)))
 | |
| 			)
 | |
| 				i->minmask[cth] |= (1 << (ctm / 2));
 | |
| 		}
 | |
| 	}
 | |
| #endif
 | |
| 	/* All done */
 | |
| 	return;
 | |
| }
 | |
| 
 | |
| static char *days[] =
 | |
| {
 | |
| 	"sun",
 | |
| 	"mon",
 | |
| 	"tue",
 | |
| 	"wed",
 | |
| 	"thu",
 | |
| 	"fri",
 | |
| 	"sat",
 | |
| };
 | |
| 
 | |
| static unsigned int get_dow(char *dow)
 | |
| {
 | |
| 	char *c;
 | |
| 	/* The following line is coincidence, really! */
 | |
| 	int s, e, x;
 | |
| 	unsigned int mask;
 | |
| 
 | |
| 	/* Check for all days */
 | |
| 	if (ast_strlen_zero(dow) || !strcmp(dow, "*"))
 | |
| 		return (1 << 7) - 1;
 | |
| 	/* Get start and ending days */
 | |
| 	c = strchr(dow, '-');
 | |
| 	if (c) {
 | |
| 		*c = '\0';
 | |
| 		c++;
 | |
| 	} else
 | |
| 		c = NULL;
 | |
| 	/* Find the start */
 | |
| 	s = 0;
 | |
| 	while((s < 7) && strcasecmp(dow, days[s])) s++;
 | |
| 	if (s >= 7) {
 | |
| 		ast_log(LOG_WARNING, "Invalid day '%s', assuming none\n", dow);
 | |
| 		return 0;
 | |
| 	}
 | |
| 	if (c) {
 | |
| 		e = 0;
 | |
| 		while((e < 7) && strcasecmp(c, days[e])) e++;
 | |
| 		if (e >= 7) {
 | |
| 			ast_log(LOG_WARNING, "Invalid day '%s', assuming none\n", c);
 | |
| 			return 0;
 | |
| 		}
 | |
| 	} else
 | |
| 		e = s;
 | |
| 	mask = 0;
 | |
| 	for (x=s; x != e; x = (x + 1) % 7) {
 | |
| 		mask |= (1 << x);
 | |
| 	}
 | |
| 	/* One last one */
 | |
| 	mask |= (1 << x);
 | |
| 	return mask;
 | |
| }
 | |
| 
 | |
| static unsigned int get_day(char *day)
 | |
| {
 | |
| 	char *c;
 | |
| 	/* The following line is coincidence, really! */
 | |
| 	int s, e, x;
 | |
| 	unsigned int mask;
 | |
| 
 | |
| 	/* Check for all days */
 | |
| 	if (ast_strlen_zero(day) || !strcmp(day, "*")) {
 | |
| 		mask = (1 << 30)  + ((1 << 30) - 1);
 | |
| 		return mask;
 | |
| 	}
 | |
| 	/* Get start and ending days */
 | |
| 	c = strchr(day, '-');
 | |
| 	if (c) {
 | |
| 		*c = '\0';
 | |
| 		c++;
 | |
| 	}
 | |
| 	/* Find the start */
 | |
| 	if (sscanf(day, "%d", &s) != 1) {
 | |
| 		ast_log(LOG_WARNING, "Invalid day '%s', assuming none\n", day);
 | |
| 		return 0;
 | |
| 	}
 | |
| 	if ((s < 1) || (s > 31)) {
 | |
| 		ast_log(LOG_WARNING, "Invalid day '%s', assuming none\n", day);
 | |
| 		return 0;
 | |
| 	}
 | |
| 	s--;
 | |
| 	if (c) {
 | |
| 		if (sscanf(c, "%d", &e) != 1) {
 | |
| 			ast_log(LOG_WARNING, "Invalid day '%s', assuming none\n", c);
 | |
| 			return 0;
 | |
| 		}
 | |
| 		if ((e < 1) || (e > 31)) {
 | |
| 			ast_log(LOG_WARNING, "Invalid day '%s', assuming none\n", c);
 | |
| 			return 0;
 | |
| 		}
 | |
| 		e--;
 | |
| 	} else
 | |
| 		e = s;
 | |
| 	mask = 0;
 | |
| 	for (x=s;x!=e;x = (x + 1) % 31) {
 | |
| 		mask |= (1 << x);
 | |
| 	}
 | |
| 	mask |= (1 << x);
 | |
| 	return mask;
 | |
| }
 | |
| 
 | |
| static char *months[] =
 | |
| {
 | |
| 	"jan",
 | |
| 	"feb",
 | |
| 	"mar",
 | |
| 	"apr",
 | |
| 	"may",
 | |
| 	"jun",
 | |
| 	"jul",
 | |
| 	"aug",
 | |
| 	"sep",
 | |
| 	"oct",
 | |
| 	"nov",
 | |
| 	"dec",
 | |
| };
 | |
| 
 | |
| static unsigned int get_month(char *mon)
 | |
| {
 | |
| 	char *c;
 | |
| 	/* The following line is coincidence, really! */
 | |
| 	int s, e, x;
 | |
| 	unsigned int mask;
 | |
| 
 | |
| 	/* Check for all days */
 | |
| 	if (ast_strlen_zero(mon) || !strcmp(mon, "*")) 
 | |
| 		return (1 << 12) - 1;
 | |
| 	/* Get start and ending days */
 | |
| 	c = strchr(mon, '-');
 | |
| 	if (c) {
 | |
| 		*c = '\0';
 | |
| 		c++;
 | |
| 	}
 | |
| 	/* Find the start */
 | |
| 	s = 0;
 | |
| 	while((s < 12) && strcasecmp(mon, months[s])) s++;
 | |
| 	if (s >= 12) {
 | |
| 		ast_log(LOG_WARNING, "Invalid month '%s', assuming none\n", mon);
 | |
| 		return 0;
 | |
| 	}
 | |
| 	if (c) {
 | |
| 		e = 0;
 | |
| 		while((e < 12) && strcasecmp(mon, months[e])) e++;
 | |
| 		if (e >= 12) {
 | |
| 			ast_log(LOG_WARNING, "Invalid month '%s', assuming none\n", c);
 | |
| 			return 0;
 | |
| 		}
 | |
| 	} else
 | |
| 		e = s;
 | |
| 	mask = 0;
 | |
| 	for (x=s; x!=e; x = (x + 1) % 12) {
 | |
| 		mask |= (1 << x);
 | |
| 	}
 | |
| 	/* One last one */
 | |
| 	mask |= (1 << x);
 | |
| 	return mask;
 | |
| }
 | |
| 
 | |
| int ast_build_timing(struct ast_timing *i, char *info_in)
 | |
| {
 | |
|         char info_save[256];
 | |
|         char *info;
 | |
| 	char *c;
 | |
| 
 | |
| 	/* Check for empty just in case */
 | |
| 	if (ast_strlen_zero(info_in))
 | |
| 		return 0;
 | |
| 	/* make a copy just in case we were passed a static string */
 | |
| 	strncpy(info_save, info_in, sizeof(info_save));
 | |
| 	info = info_save;
 | |
| 	/* Assume everything except time */
 | |
| 	i->monthmask = (1 << 12) - 1;
 | |
| 	i->daymask = (1 << 30) - 1 + (1 << 30);
 | |
| 	i->dowmask = (1 << 7) - 1;
 | |
| 	/* Avoid using str tok */
 | |
| 	FIND_NEXT;
 | |
| 	/* Info has the time range, start with that */
 | |
| 	get_timerange(i, info);
 | |
| 	info = c;
 | |
| 	if (!info)
 | |
| 		return 1;
 | |
| 	FIND_NEXT;
 | |
| 	/* Now check for day of week */
 | |
| 	i->dowmask = get_dow(info);
 | |
| 
 | |
| 	info = c;
 | |
| 	if (!info)
 | |
| 		return 1;
 | |
| 	FIND_NEXT;
 | |
| 	/* Now check for the day of the month */
 | |
| 	i->daymask = get_day(info);
 | |
| 	info = c;
 | |
| 	if (!info)
 | |
| 		return 1;
 | |
| 	FIND_NEXT;
 | |
| 	/* And finally go for the month */
 | |
| 	i->monthmask = get_month(info);
 | |
| 
 | |
| 	return 1;
 | |
| }
 | |
| 
 | |
| int ast_check_timing(struct ast_timing *i)
 | |
| {
 | |
| 	struct tm tm;
 | |
| 	time_t t;
 | |
| 
 | |
| 	time(&t);
 | |
| 	localtime_r(&t,&tm);
 | |
| 
 | |
| 	/* If it's not the right month, return */
 | |
| 	if (!(i->monthmask & (1 << tm.tm_mon))) {
 | |
| 		return 0;
 | |
| 	}
 | |
| 
 | |
| 	/* If it's not that time of the month.... */
 | |
| 	/* Warning, tm_mday has range 1..31! */
 | |
| 	if (!(i->daymask & (1 << (tm.tm_mday-1))))
 | |
| 		return 0;
 | |
| 
 | |
| 	/* If it's not the right day of the week */
 | |
| 	if (!(i->dowmask & (1 << tm.tm_wday)))
 | |
| 		return 0;
 | |
| 
 | |
| 	/* Sanity check the hour just to be safe */
 | |
| 	if ((tm.tm_hour < 0) || (tm.tm_hour > 23)) {
 | |
| 		ast_log(LOG_WARNING, "Insane time...\n");
 | |
| 		return 0;
 | |
| 	}
 | |
| 
 | |
| 	/* Now the tough part, we calculate if it fits
 | |
| 	   in the right time based on min/hour */
 | |
| 	if (!(i->minmask[tm.tm_hour] & (1 << (tm.tm_min / 2))))
 | |
| 		return 0;
 | |
| 
 | |
| 	/* If we got this far, then we're good */
 | |
| 	return 1;
 | |
| }
 | |
| 
 | |
| /*
 | |
|  * errno values
 | |
|  *  ENOMEM - out of memory
 | |
|  *  EBUSY  - can't lock
 | |
|  *  EEXIST - already included
 | |
|  *  EINVAL - there is no existence of context for inclusion
 | |
|  */
 | |
| int ast_context_add_include2(struct ast_context *con, const char *value,
 | |
| 	const char *registrar)
 | |
| {
 | |
| 	struct ast_include *new_include;
 | |
| 	char *c;
 | |
| 	struct ast_include *i, *il = NULL; /* include, include_last */
 | |
| 	int length;
 | |
| 	char *p;
 | |
| 	
 | |
| 	length = sizeof(struct ast_include);
 | |
| 	length += 2 * (strlen(value) + 1);
 | |
| 
 | |
| 	/* allocate new include structure ... */
 | |
| 	if (!(new_include = malloc(length))) {
 | |
| 		ast_log(LOG_ERROR, "Out of memory\n");
 | |
| 		errno = ENOMEM;
 | |
| 		return -1;
 | |
| 	}
 | |
| 	
 | |
| 	/* ... fill in this structure ... */
 | |
| 	memset(new_include, 0, length);
 | |
| 	p = new_include->stuff;
 | |
| 	new_include->name = p;
 | |
| 	strcpy(new_include->name, value);
 | |
| 	p += strlen(value) + 1;
 | |
| 	new_include->rname = p;
 | |
| 	strcpy(new_include->rname, value);
 | |
| 	c = new_include->rname;
 | |
| 	/* Strip off timing info */
 | |
| 	while(*c && (*c != '|')) c++; 
 | |
| 	/* Process if it's there */
 | |
| 	if (*c) {
 | |
| 	        new_include->hastime = ast_build_timing(&(new_include->timing), c+1);
 | |
| 		*c = '\0';
 | |
| 	}
 | |
| 	new_include->next      = NULL;
 | |
| 	new_include->registrar = registrar;
 | |
| 
 | |
| 	/* ... try to lock this context ... */
 | |
| 	if (ast_mutex_lock(&con->lock)) {
 | |
| 		free(new_include);
 | |
| 		errno = EBUSY;
 | |
| 		return -1;
 | |
| 	}
 | |
| 
 | |
| 	/* ... go to last include and check if context is already included too... */
 | |
| 	i = con->includes;
 | |
| 	while (i) {
 | |
| 		if (!strcasecmp(i->name, new_include->name)) {
 | |
| 			free(new_include);
 | |
| 			ast_mutex_unlock(&con->lock);
 | |
| 			errno = EEXIST;
 | |
| 			return -1;
 | |
| 		}
 | |
| 		il = i;
 | |
| 		i = i->next;
 | |
| 	}
 | |
| 
 | |
| 	/* ... include new context into context list, unlock, return */
 | |
| 	if (il)
 | |
| 		il->next = new_include;
 | |
| 	else
 | |
| 		con->includes = new_include;
 | |
| 	if (option_verbose > 2)
 | |
| 		ast_verbose(VERBOSE_PREFIX_3 "Including context '%s' in context '%s'\n", new_include->name, ast_get_context_name(con)); 
 | |
| 	ast_mutex_unlock(&con->lock);
 | |
| 
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| /*
 | |
|  * errno values
 | |
|  *  EBUSY  - can't lock
 | |
|  *  ENOENT - no existence of context
 | |
|  */
 | |
| int ast_context_add_switch(const char *context, const char *sw, const char *data, int eval, const char *registrar)
 | |
| {
 | |
| 	struct ast_context *c;
 | |
| 
 | |
| 	if (ast_lock_contexts()) {
 | |
| 		errno = EBUSY;
 | |
| 		return -1;
 | |
| 	}
 | |
| 
 | |
| 	/* walk contexts ... */
 | |
| 	c = ast_walk_contexts(NULL);
 | |
| 	while (c) {
 | |
| 		/* ... search for the right one ... */
 | |
| 		if (!strcmp(ast_get_context_name(c), context)) {
 | |
| 			int ret = ast_context_add_switch2(c, sw, data, eval, registrar);
 | |
| 			/* ... unlock contexts list and return */
 | |
| 			ast_unlock_contexts();
 | |
| 			return ret;
 | |
| 		}
 | |
| 		c = ast_walk_contexts(c);
 | |
| 	}
 | |
| 
 | |
| 	/* we can't find the right context */
 | |
| 	ast_unlock_contexts();
 | |
| 	errno = ENOENT;
 | |
| 	return -1;
 | |
| }
 | |
| 
 | |
| /*
 | |
|  * errno values
 | |
|  *  ENOMEM - out of memory
 | |
|  *  EBUSY  - can't lock
 | |
|  *  EEXIST - already included
 | |
|  *  EINVAL - there is no existence of context for inclusion
 | |
|  */
 | |
| int ast_context_add_switch2(struct ast_context *con, const char *value,
 | |
| 	const char *data, int eval, const char *registrar)
 | |
| {
 | |
| 	struct ast_sw *new_sw;
 | |
| 	struct ast_sw *i, *il = NULL; /* sw, sw_last */
 | |
| 	int length;
 | |
| 	char *p;
 | |
| 	
 | |
| 	length = sizeof(struct ast_sw);
 | |
| 	length += strlen(value) + 1;
 | |
| 	if (data)
 | |
| 		length += strlen(data);
 | |
| 	length++;
 | |
| 	if (eval) {
 | |
| 		/* Create buffer for evaluation of variables */
 | |
| 		length += SWITCH_DATA_LENGTH;
 | |
| 		length++;
 | |
| 	}
 | |
| 
 | |
| 	/* allocate new sw structure ... */
 | |
| 	if (!(new_sw = malloc(length))) {
 | |
| 		ast_log(LOG_ERROR, "Out of memory\n");
 | |
| 		errno = ENOMEM;
 | |
| 		return -1;
 | |
| 	}
 | |
| 	
 | |
| 	/* ... fill in this structure ... */
 | |
| 	memset(new_sw, 0, length);
 | |
| 	p = new_sw->stuff;
 | |
| 	new_sw->name = p;
 | |
| 	strcpy(new_sw->name, value);
 | |
| 	p += strlen(value) + 1;
 | |
| 	new_sw->data = p;
 | |
| 	if (data) {
 | |
| 		strcpy(new_sw->data, data);
 | |
| 		p += strlen(data) + 1;
 | |
| 	} else {
 | |
| 		strcpy(new_sw->data, "");
 | |
| 		p++;
 | |
| 	}
 | |
| 	if (eval) 
 | |
| 		new_sw->tmpdata = p;
 | |
| 	new_sw->next      = NULL;
 | |
| 	new_sw->eval	  = eval;
 | |
| 	new_sw->registrar = registrar;
 | |
| 
 | |
| 	/* ... try to lock this context ... */
 | |
| 	if (ast_mutex_lock(&con->lock)) {
 | |
| 		free(new_sw);
 | |
| 		errno = EBUSY;
 | |
| 		return -1;
 | |
| 	}
 | |
| 
 | |
| 	/* ... go to last sw and check if context is already swd too... */
 | |
| 	i = con->alts;
 | |
| 	while (i) {
 | |
| 		if (!strcasecmp(i->name, new_sw->name) && !strcasecmp(i->data, new_sw->data)) {
 | |
| 			free(new_sw);
 | |
| 			ast_mutex_unlock(&con->lock);
 | |
| 			errno = EEXIST;
 | |
| 			return -1;
 | |
| 		}
 | |
| 		il = i;
 | |
| 		i = i->next;
 | |
| 	}
 | |
| 
 | |
| 	/* ... sw new context into context list, unlock, return */
 | |
| 	if (il)
 | |
| 		il->next = new_sw;
 | |
| 	else
 | |
| 		con->alts = new_sw;
 | |
| 	if (option_verbose > 2)
 | |
| 		ast_verbose(VERBOSE_PREFIX_3 "Including switch '%s/%s' in context '%s'\n", new_sw->name, new_sw->data, ast_get_context_name(con)); 
 | |
| 	ast_mutex_unlock(&con->lock);
 | |
| 
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| /*
 | |
|  * EBUSY  - can't lock
 | |
|  * ENOENT - there is not context existence
 | |
|  */
 | |
| int ast_context_remove_ignorepat(const char *context, const char *ignorepat, const char *registrar)
 | |
| {
 | |
| 	struct ast_context *c;
 | |
| 
 | |
| 	if (ast_lock_contexts()) {
 | |
| 		errno = EBUSY;
 | |
| 		return -1;
 | |
| 	}
 | |
| 
 | |
| 	c = ast_walk_contexts(NULL);
 | |
| 	while (c) {
 | |
| 		if (!strcmp(ast_get_context_name(c), context)) {
 | |
| 			int ret = ast_context_remove_ignorepat2(c, ignorepat, registrar);
 | |
| 			ast_unlock_contexts();
 | |
| 			return ret;
 | |
| 		}
 | |
| 		c = ast_walk_contexts(c);
 | |
| 	}
 | |
| 
 | |
| 	ast_unlock_contexts();
 | |
| 	errno = ENOENT;
 | |
| 	return -1;
 | |
| }
 | |
| 
 | |
| int ast_context_remove_ignorepat2(struct ast_context *con, const char *ignorepat, const char *registrar)
 | |
| {
 | |
| 	struct ast_ignorepat *ip, *ipl = NULL;
 | |
| 
 | |
| 	if (ast_mutex_lock(&con->lock)) {
 | |
| 		errno = EBUSY;
 | |
| 		return -1;
 | |
| 	}
 | |
| 
 | |
| 	ip = con->ignorepats;
 | |
| 	while (ip) {
 | |
| 		if (!strcmp(ip->pattern, ignorepat) &&
 | |
| 			(!registrar || (registrar == ip->registrar))) {
 | |
| 			if (ipl) {
 | |
| 				ipl->next = ip->next;
 | |
| 				free(ip);
 | |
| 			} else {
 | |
| 				con->ignorepats = ip->next;
 | |
| 				free(ip);
 | |
| 			}
 | |
| 			ast_mutex_unlock(&con->lock);
 | |
| 			return 0;
 | |
| 		}
 | |
| 		ipl = ip; ip = ip->next;
 | |
| 	}
 | |
| 
 | |
| 	ast_mutex_unlock(&con->lock);
 | |
| 	errno = EINVAL;
 | |
| 	return -1;
 | |
| }
 | |
| 
 | |
| /*
 | |
|  * EBUSY - can't lock
 | |
|  * ENOENT - there is no existence of context
 | |
|  */
 | |
| int ast_context_add_ignorepat(const char *con, const char *value, const char *registrar)
 | |
| {
 | |
| 	struct ast_context *c;
 | |
| 
 | |
| 	if (ast_lock_contexts()) {
 | |
| 		errno = EBUSY;
 | |
| 		return -1;
 | |
| 	}
 | |
| 
 | |
| 	c = ast_walk_contexts(NULL);
 | |
| 	while (c) {
 | |
| 		if (!strcmp(ast_get_context_name(c), con)) {
 | |
| 			int ret = ast_context_add_ignorepat2(c, value, registrar);
 | |
| 			ast_unlock_contexts();
 | |
| 			return ret;
 | |
| 		} 
 | |
| 		c = ast_walk_contexts(c);
 | |
| 	}
 | |
| 
 | |
| 	ast_unlock_contexts();
 | |
| 	errno = ENOENT;
 | |
| 	return -1;
 | |
| }
 | |
| 
 | |
| int ast_context_add_ignorepat2(struct ast_context *con, const char *value, const char *registrar)
 | |
| {
 | |
| 	struct ast_ignorepat *ignorepat, *ignorepatc, *ignorepatl = NULL;
 | |
| 	int length;
 | |
| 	length = sizeof(struct ast_ignorepat);
 | |
| 	length += strlen(value) + 1;
 | |
| 	ignorepat = malloc(length);
 | |
| 	if (!ignorepat) {
 | |
| 		ast_log(LOG_ERROR, "Out of memory\n");
 | |
| 		errno = ENOMEM;
 | |
| 		return -1;
 | |
| 	}
 | |
| 	memset(ignorepat, 0, length);
 | |
| 	strcpy(ignorepat->pattern, value);
 | |
| 	ignorepat->next = NULL;
 | |
| 	ignorepat->registrar = registrar;
 | |
| 	ast_mutex_lock(&con->lock);
 | |
| 	ignorepatc = con->ignorepats;
 | |
| 	while(ignorepatc) {
 | |
| 		ignorepatl = ignorepatc;
 | |
| 		if (!strcasecmp(ignorepatc->pattern, value)) {
 | |
| 			/* Already there */
 | |
| 			ast_mutex_unlock(&con->lock);
 | |
| 			errno = EEXIST;
 | |
| 			return -1;
 | |
| 		}
 | |
| 		ignorepatc = ignorepatc->next;
 | |
| 	}
 | |
| 	if (ignorepatl) 
 | |
| 		ignorepatl->next = ignorepat;
 | |
| 	else
 | |
| 		con->ignorepats = ignorepat;
 | |
| 	ast_mutex_unlock(&con->lock);
 | |
| 	return 0;
 | |
| 	
 | |
| }
 | |
| 
 | |
| int ast_ignore_pattern(const char *context, const char *pattern)
 | |
| {
 | |
| 	struct ast_context *con;
 | |
| 	struct ast_ignorepat *pat;
 | |
| 
 | |
| 	con = ast_context_find(context);
 | |
| 	if (con) {
 | |
| 		pat = con->ignorepats;
 | |
| 		while (pat) {
 | |
| 			if (ast_extension_match(pat->pattern, pattern))
 | |
| 				return 1;
 | |
| 			pat = pat->next;
 | |
| 		}
 | |
| 	} 
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| /*
 | |
|  * EBUSY   - can't lock
 | |
|  * ENOENT  - no existence of context
 | |
|  *
 | |
|  */
 | |
| int ast_add_extension(const char *context, int replace, const char *extension, int priority, const char *label, const char *callerid,
 | |
| 	const char *application, void *data, void (*datad)(void *), const char *registrar)
 | |
| {
 | |
| 	struct ast_context *c;
 | |
| 
 | |
| 	if (ast_lock_contexts()) {
 | |
| 		errno = EBUSY;
 | |
| 		return -1;
 | |
| 	}
 | |
| 
 | |
| 	c = ast_walk_contexts(NULL);
 | |
| 	while (c) {
 | |
| 		if (!strcmp(context, ast_get_context_name(c))) {
 | |
| 			int ret = ast_add_extension2(c, replace, extension, priority, label, callerid,
 | |
| 				application, data, datad, registrar);
 | |
| 			ast_unlock_contexts();
 | |
| 			return ret;
 | |
| 		}
 | |
| 		c = ast_walk_contexts(c);
 | |
| 	}
 | |
| 
 | |
| 	ast_unlock_contexts();
 | |
| 	errno = ENOENT;
 | |
| 	return -1;
 | |
| }
 | |
| 
 | |
| int ast_explicit_goto(struct ast_channel *chan, const char *context, const char *exten, int priority) {
 | |
| 	if(chan) {
 | |
| 		if (context && !ast_strlen_zero(context))
 | |
| 			strncpy(chan->context, context, sizeof(chan->context) - 1);
 | |
| 		if (exten && !ast_strlen_zero(exten))
 | |
| 			strncpy(chan->exten, exten, sizeof(chan->context) - 1);
 | |
| 		if(priority > -1)
 | |
| 			chan->priority = priority;
 | |
| 		return 0;
 | |
| 	}
 | |
| 	return -1;
 | |
| }
 | |
| 
 | |
| int ast_async_goto(struct ast_channel *chan, const char *context, const char *exten, int priority)
 | |
| {
 | |
| 	int res = 0;
 | |
| 	ast_mutex_lock(&chan->lock);
 | |
| 
 | |
| 	if (chan->pbx) {
 | |
| 		/* This channel is currently in the PBX */
 | |
| 		ast_explicit_goto(chan, context, exten, priority - 1);
 | |
| 		ast_softhangup_nolock(chan, AST_SOFTHANGUP_ASYNCGOTO);
 | |
| 	} else {
 | |
| 		/* In order to do it when the channel doesn't really exist within
 | |
| 		   the PBX, we have to make a new channel, masquerade, and start the PBX
 | |
| 		   at the new location */
 | |
| 		struct ast_channel *tmpchan;
 | |
| 		tmpchan = ast_channel_alloc(0);
 | |
| 		if (tmpchan) {
 | |
| 			snprintf(tmpchan->name, sizeof(tmpchan->name), "AsyncGoto/%s", chan->name);
 | |
| 			ast_setstate(tmpchan, chan->_state);
 | |
| 			/* Make formats okay */
 | |
| 			tmpchan->readformat = chan->readformat;
 | |
| 			tmpchan->writeformat = chan->writeformat;
 | |
| 			/* Setup proper location */
 | |
| 			ast_explicit_goto(tmpchan,
 | |
| 							  (context && !ast_strlen_zero(context)) ? context : chan->context,
 | |
| 							  (exten && !ast_strlen_zero(exten)) ? exten : chan->exten,
 | |
| 							  priority);
 | |
| 
 | |
| 			/* Masquerade into temp channel */
 | |
| 			ast_channel_masquerade(tmpchan, chan);
 | |
| 		
 | |
| 			/* Grab the locks and get going */
 | |
| 			ast_mutex_lock(&tmpchan->lock);
 | |
| 			ast_do_masquerade(tmpchan);
 | |
| 			ast_mutex_unlock(&tmpchan->lock);
 | |
| 			/* Start the PBX going on our stolen channel */
 | |
| 			if (ast_pbx_start(tmpchan)) {
 | |
| 				ast_log(LOG_WARNING, "Unable to start PBX on %s\n", tmpchan->name);
 | |
| 				ast_hangup(tmpchan);
 | |
| 				res = -1;
 | |
| 			}
 | |
| 		} else {
 | |
| 			res = -1;
 | |
| 		}
 | |
| 	}
 | |
| 	ast_mutex_unlock(&chan->lock);
 | |
| 	return res;
 | |
| }
 | |
| 
 | |
| int ast_async_goto_by_name(const char *channame, const char *context, const char *exten, int priority)
 | |
| {
 | |
| 	struct ast_channel *chan;
 | |
| 	int res = -1;
 | |
| 
 | |
| 	chan = ast_channel_walk_locked(NULL);
 | |
| 	while(chan) {
 | |
| 		if (!strcasecmp(channame, chan->name))
 | |
| 			break;
 | |
| 		ast_mutex_unlock(&chan->lock);
 | |
| 		chan = ast_channel_walk_locked(chan);
 | |
| 	}
 | |
| 	
 | |
| 	if (chan) {
 | |
| 		res = ast_async_goto(chan, context, exten, priority);
 | |
| 		ast_mutex_unlock(&chan->lock);
 | |
| 	}
 | |
| 	return res;
 | |
| }
 | |
| 
 | |
| static int ext_strncpy(char *dst, const char *src, int len)
 | |
| {
 | |
| 	int count=0;
 | |
| 
 | |
| 	while(*src && (count < len - 1)) {
 | |
| 		switch(*src) {
 | |
| 		case ' ':
 | |
| 			/*	otherwise exten => [a-b],1,... doesn't work */
 | |
| 			/*		case '-': */
 | |
| 			/* Ignore */
 | |
| 			break;
 | |
| 		default:
 | |
| 			*dst = *src;
 | |
| 			dst++;
 | |
| 		}
 | |
| 		src++;
 | |
| 		count++;
 | |
| 	}
 | |
| 	*dst = '\0';
 | |
| 
 | |
| 	return count;
 | |
| }
 | |
| 
 | |
| /*
 | |
|  * EBUSY - can't lock
 | |
|  * EEXIST - extension with the same priority exist and no replace is set
 | |
|  *
 | |
|  */
 | |
| int ast_add_extension2(struct ast_context *con,
 | |
| 					  int replace, const char *extension, int priority, const char *label, const char *callerid,
 | |
| 					  const char *application, void *data, void (*datad)(void *),
 | |
| 					  const char *registrar)
 | |
| {
 | |
| 
 | |
| #define LOG do { 	if (option_debug) {\
 | |
| 		if (tmp->matchcid) { \
 | |
| 			ast_log(LOG_DEBUG, "Added extension '%s' priority %d (CID match '%s') to %s\n", tmp->exten, tmp->priority, tmp->cidmatch, con->name); \
 | |
| 		} else { \
 | |
| 			ast_log(LOG_DEBUG, "Added extension '%s' priority %d to %s\n", tmp->exten, tmp->priority, con->name); \
 | |
| 		} \
 | |
| 	} else if (option_verbose > 2) { \
 | |
| 		if (tmp->matchcid) { \
 | |
| 			ast_verbose( VERBOSE_PREFIX_3 "Added extension '%s' priority %d (CID match '%s')to %s\n", tmp->exten, tmp->priority, tmp->cidmatch, con->name); \
 | |
| 		} else {  \
 | |
| 			ast_verbose( VERBOSE_PREFIX_3 "Added extension '%s' priority %d to %s\n", tmp->exten, tmp->priority, con->name); \
 | |
| 		} \
 | |
| 	} } while(0)
 | |
| 
 | |
| 	/*
 | |
| 	 * This is a fairly complex routine.  Different extensions are kept
 | |
| 	 * in order by the extension number.  Then, extensions of different
 | |
| 	 * priorities (same extension) are kept in a list, according to the
 | |
| 	 * peer pointer.
 | |
| 	 */
 | |
| 	struct ast_exten *tmp, *e, *el = NULL, *ep = NULL;
 | |
| 	int res;
 | |
| 	int length;
 | |
| 	char *p;
 | |
| 	length = sizeof(struct ast_exten);
 | |
| 	length += strlen(extension) + 1;
 | |
| 	length += strlen(application) + 1;
 | |
| 	if (label)
 | |
| 		length += strlen(label) + 1;
 | |
| 	if (callerid)
 | |
| 		length += strlen(callerid) + 1;
 | |
| 	else
 | |
| 		length ++;
 | |
| 
 | |
| 	/* Be optimistic:  Build the extension structure first */
 | |
| 	tmp = malloc(length);
 | |
| 	if (tmp) {
 | |
| 		memset(tmp, 0, length);
 | |
| 		p = tmp->stuff;
 | |
| 		if (label) {
 | |
| 			tmp->label = p;
 | |
| 			strcpy(tmp->label, label);
 | |
| 			p += strlen(label) + 1;
 | |
| 		}
 | |
| 		tmp->exten = p;
 | |
| 		p += ext_strncpy(tmp->exten, extension, strlen(extension) + 1) + 1;
 | |
| 		tmp->priority = priority;
 | |
| 		tmp->cidmatch = p;
 | |
| 		if (callerid) {
 | |
| 			p += ext_strncpy(tmp->cidmatch, callerid, strlen(callerid) + 1) + 1;
 | |
| 			tmp->matchcid = 1;
 | |
| 		} else {
 | |
| 			tmp->cidmatch[0] = '\0';
 | |
| 			tmp->matchcid = 0;
 | |
| 			p++;
 | |
| 		}
 | |
| 		tmp->app = p;
 | |
| 		strcpy(tmp->app, application);
 | |
| 		tmp->parent = con;
 | |
| 		tmp->data = data;
 | |
| 		tmp->datad = datad;
 | |
| 		tmp->registrar = registrar;
 | |
| 		tmp->peer = NULL;
 | |
| 		tmp->next =  NULL;
 | |
| 	} else {
 | |
| 		ast_log(LOG_ERROR, "Out of memory\n");
 | |
| 		errno = ENOMEM;
 | |
| 		return -1;
 | |
| 	}
 | |
| 	if (ast_mutex_lock(&con->lock)) {
 | |
| 		free(tmp);
 | |
| 		/* And properly destroy the data */
 | |
| 		datad(data);
 | |
| 		ast_log(LOG_WARNING, "Failed to lock context '%s'\n", con->name);
 | |
| 		errno = EBUSY;
 | |
| 		return -1;
 | |
| 	}
 | |
| 	e = con->root;
 | |
| 	while(e) {
 | |
| 		/* Make sure patterns are always last! */
 | |
| 		if ((e->exten[0] != '_') && (extension[0] == '_'))
 | |
| 			res = -1;
 | |
| 		else if ((e->exten[0] == '_') && (extension[0] != '_'))
 | |
| 			res = 1;
 | |
| 		else
 | |
| 			res= strcmp(e->exten, extension);
 | |
| 		if (!res) {
 | |
| 			if (!e->matchcid && !tmp->matchcid)
 | |
| 				res = 0;
 | |
| 			else if (tmp->matchcid && !e->matchcid)
 | |
| 				res = 1;
 | |
| 			else if (e->matchcid && !tmp->matchcid)
 | |
| 				res = -1;
 | |
| 			else
 | |
| 				res = strcasecmp(e->cidmatch, tmp->cidmatch);
 | |
| 		}
 | |
| 		if (res == 0) {
 | |
| 			/* We have an exact match, now we find where we are
 | |
| 			   and be sure there's no duplicates */
 | |
| 			while(e) {
 | |
| 				if (e->priority == tmp->priority) {
 | |
| 					/* Can't have something exactly the same.  Is this a
 | |
| 					   replacement?  If so, replace, otherwise, bonk. */
 | |
| 					if (replace) {
 | |
| 						if (ep) {
 | |
| 							/* We're in the peer list, insert ourselves */
 | |
| 							ep->peer = tmp;
 | |
| 							tmp->peer = e->peer;
 | |
| 						} else if (el) {
 | |
| 							/* We're the first extension. Take over e's functions */
 | |
| 							el->next = tmp;
 | |
| 							tmp->next = e->next;
 | |
| 							tmp->peer = e->peer;
 | |
| 						} else {
 | |
| 							/* We're the very first extension.  */
 | |
| 							con->root = tmp;
 | |
| 							tmp->next = e->next;
 | |
| 							tmp->peer = e->peer;
 | |
| 						}
 | |
| 						if (tmp->priority == PRIORITY_HINT)
 | |
| 						    ast_change_hint(e,tmp);
 | |
| 						/* Destroy the old one */
 | |
| 						e->datad(e->data);
 | |
| 						free(e);
 | |
| 						ast_mutex_unlock(&con->lock);
 | |
| 						if (tmp->priority == PRIORITY_HINT)
 | |
| 						    ast_change_hint(e, tmp);
 | |
| 						/* And immediately return success. */
 | |
| 						LOG;
 | |
| 						return 0;
 | |
| 					} else {
 | |
| 						ast_log(LOG_WARNING, "Unable to register extension '%s', priority %d in '%s', already in use\n", tmp->exten, tmp->priority, con->name);
 | |
| 						tmp->datad(tmp->data);
 | |
| 						free(tmp);
 | |
| 						ast_mutex_unlock(&con->lock);
 | |
| 						errno = EEXIST;
 | |
| 						return -1;
 | |
| 					}
 | |
| 				} else if (e->priority > tmp->priority) {
 | |
| 					/* Slip ourselves in just before e */
 | |
| 					if (ep) {
 | |
| 						/* Easy enough, we're just in the peer list */
 | |
| 						ep->peer = tmp;
 | |
| 						tmp->peer = e;
 | |
| 					} else if (el) {
 | |
| 						/* We're the first extension in this peer list */
 | |
| 						el->next = tmp;
 | |
| 						tmp->next = e->next;
 | |
| 						e->next = NULL;
 | |
| 						tmp->peer = e;
 | |
| 					} else {
 | |
| 						/* We're the very first extension altogether */
 | |
| 						tmp->next = con->root->next;
 | |
| 						/* Con->root must always exist or we couldn't get here */
 | |
| 						tmp->peer = con->root;
 | |
| 						con->root = tmp;
 | |
| 					}
 | |
| 					ast_mutex_unlock(&con->lock);
 | |
| 					/* And immediately return success. */
 | |
| 					if (tmp->priority == PRIORITY_HINT)
 | |
| 					    ast_add_hint(tmp);
 | |
| 					
 | |
| 					LOG;
 | |
| 					return 0;
 | |
| 				}
 | |
| 				ep = e;
 | |
| 				e = e->peer;
 | |
| 			}
 | |
| 			/* If we make it here, then it's time for us to go at the very end.
 | |
| 			   ep *must* be defined or we couldn't have gotten here. */
 | |
| 			ep->peer = tmp;
 | |
| 			ast_mutex_unlock(&con->lock);
 | |
| 			if (tmp->priority == PRIORITY_HINT)
 | |
| 				ast_add_hint(tmp);
 | |
| 			
 | |
| 			/* And immediately return success. */
 | |
| 			LOG;
 | |
| 			return 0;
 | |
| 				
 | |
| 		} else if (res > 0) {
 | |
| 			/* Insert ourselves just before 'e'.  We're the first extension of
 | |
| 			   this kind */
 | |
| 			tmp->next = e;
 | |
| 			if (el) {
 | |
| 				/* We're in the list somewhere */
 | |
| 				el->next = tmp;
 | |
| 			} else {
 | |
| 				/* We're at the top of the list */
 | |
| 				con->root = tmp;
 | |
| 			}
 | |
| 			ast_mutex_unlock(&con->lock);
 | |
| 			if (tmp->priority == PRIORITY_HINT)
 | |
| 				ast_add_hint(tmp);
 | |
| 
 | |
| 			/* And immediately return success. */
 | |
| 			LOG;
 | |
| 			return 0;
 | |
| 		}			
 | |
| 			
 | |
| 		el = e;
 | |
| 		e = e->next;
 | |
| 	}
 | |
| 	/* If we fall all the way through to here, then we need to be on the end. */
 | |
| 	if (el)
 | |
| 		el->next = tmp;
 | |
| 	else
 | |
| 		con->root = tmp;
 | |
| 	ast_mutex_unlock(&con->lock);
 | |
| 	if (tmp->priority == PRIORITY_HINT)
 | |
| 		ast_add_hint(tmp);
 | |
| 	LOG;
 | |
| 	return 0;	
 | |
| }
 | |
| 
 | |
| struct async_stat {
 | |
| 	pthread_t p;
 | |
| 	struct ast_channel *chan;
 | |
| 	char context[AST_MAX_EXTENSION];
 | |
| 	char exten[AST_MAX_EXTENSION];
 | |
| 	int priority;
 | |
| 	int timeout;
 | |
| 	char app[AST_MAX_EXTENSION];
 | |
| 	char appdata[1024];
 | |
| };
 | |
| 
 | |
| static void *async_wait(void *data) 
 | |
| {
 | |
| 	struct async_stat *as = data;
 | |
| 	struct ast_channel *chan = as->chan;
 | |
| 	int timeout = as->timeout;
 | |
| 	int res;
 | |
| 	struct ast_frame *f;
 | |
| 	struct ast_app *app;
 | |
| 	
 | |
| 	while(timeout && (chan->_state != AST_STATE_UP)) {
 | |
| 		res = ast_waitfor(chan, timeout);
 | |
| 		if (res < 1) 
 | |
| 			break;
 | |
| 		if (timeout > -1)
 | |
| 			timeout = res;
 | |
| 		f = ast_read(chan);
 | |
| 		if (!f)
 | |
| 			break;
 | |
| 		if (f->frametype == AST_FRAME_CONTROL) {
 | |
| 			if ((f->subclass == AST_CONTROL_BUSY)  ||
 | |
| 				(f->subclass == AST_CONTROL_CONGESTION) )
 | |
| 					break;
 | |
| 		}
 | |
| 		ast_frfree(f);
 | |
| 	}
 | |
| 	if (chan->_state == AST_STATE_UP) {
 | |
| 		if (!ast_strlen_zero(as->app)) {
 | |
| 			app = pbx_findapp(as->app);
 | |
| 			if (app) {
 | |
| 				if (option_verbose > 2)
 | |
| 					ast_verbose(VERBOSE_PREFIX_3 "Lauching %s(%s) on %s\n", as->app, as->appdata, chan->name);
 | |
| 				pbx_exec(chan, app, as->appdata, 1);
 | |
| 			} else
 | |
| 				ast_log(LOG_WARNING, "No such application '%s'\n", as->app);
 | |
| 		} else {
 | |
| 			if (!ast_strlen_zero(as->context))
 | |
| 				strncpy(chan->context, as->context, sizeof(chan->context) - 1);
 | |
| 			if (!ast_strlen_zero(as->exten))
 | |
| 				strncpy(chan->exten, as->exten, sizeof(chan->exten) - 1);
 | |
| 			if (as->priority > 0)
 | |
| 				chan->priority = as->priority;
 | |
| 			/* Run the PBX */
 | |
| 			if (ast_pbx_run(chan)) {
 | |
| 				ast_log(LOG_ERROR, "Failed to start PBX on %s\n", chan->name);
 | |
| 			} else {
 | |
| 				/* PBX will have taken care of this */
 | |
| 				chan = NULL;
 | |
| 			}
 | |
| 		}
 | |
| 			
 | |
| 	}
 | |
| 	free(as);
 | |
| 	if (chan)
 | |
| 		ast_hangup(chan);
 | |
| 	return NULL;
 | |
| }
 | |
| 
 | |
| /*! Function to update the cdr after a spool call fails.
 | |
|  *
 | |
|  *  This function updates the cdr for a failed spool call
 | |
|  *  and takes the channel of the failed call as an argument.
 | |
|  *
 | |
|  * \param chan the channel for the failed call.
 | |
|  */
 | |
| int ast_pbx_outgoing_cdr_failed(void)
 | |
| {
 | |
| 	/* allocate a channel */
 | |
| 	struct ast_channel *chan = ast_channel_alloc(0);
 | |
| 	if(!chan) {
 | |
| 		/* allocation of the channel failed, let some peeps know */
 | |
| 		ast_log(LOG_WARNING, "Unable to allocate channel structure for CDR record\n");
 | |
| 		return -1;  /* failure */
 | |
| 	}
 | |
| 
 | |
| 	chan->cdr = ast_cdr_alloc();   /* allocate a cdr for the channel */
 | |
| 
 | |
| 	if(!chan->cdr) {
 | |
| 		/* allocation of the cdr failed */
 | |
| 		ast_log(LOG_WARNING, "Unable to create Call Detail Record\n");
 | |
| 		ast_channel_free(chan);   /* free the channel */
 | |
| 		return -1;                /* return failure */
 | |
| 	}
 | |
| 	
 | |
| 	/* allocation of the cdr was successful */
 | |
| 	ast_cdr_init(chan->cdr, chan);  /* initilize our channel's cdr */
 | |
| 	ast_cdr_start(chan->cdr);       /* record the start and stop time */
 | |
| 	ast_cdr_end(chan->cdr);
 | |
| 	ast_cdr_failed(chan->cdr);      /* set the status to failed */
 | |
| 	ast_cdr_post(chan->cdr);        /* post the record */
 | |
| 	ast_cdr_free(chan->cdr);        /* free the cdr */
 | |
| 	ast_channel_free(chan);         /* free the channel */
 | |
| 	
 | |
| 	return 0;  /* success */
 | |
| }
 | |
| 
 | |
| int ast_pbx_outgoing_exten(const char *type, int format, void *data, int timeout, const char *context, const char *exten, int priority, int *reason, int sync, const char *cid_num, const char *cid_name, const char *variable, const char *account, struct ast_channel **channel)
 | |
| {
 | |
| 	struct ast_channel *chan;
 | |
| 	struct async_stat *as;
 | |
| 	int res = -1, cdr_res = -1;
 | |
| 	char *var, *tmp;
 | |
| 	struct outgoing_helper oh;
 | |
| 	pthread_attr_t attr;
 | |
| 		
 | |
| 	if (sync) {
 | |
| 		LOAD_OH(oh);
 | |
| 		chan = __ast_request_and_dial(type, format, data, timeout, reason, cid_num, cid_name, &oh);
 | |
| 		if (channel) {
 | |
| 			*channel = chan;
 | |
| 			if (chan)
 | |
| 				ast_mutex_lock(&chan->lock);
 | |
| 		}
 | |
| 		if (chan) {
 | |
| 			
 | |
| 			if (account)
 | |
| 				ast_cdr_setaccount(chan, account);
 | |
| 			
 | |
| 			if(chan->cdr) { /* check if the channel already has a cdr record, if not give it one */
 | |
| 				ast_log(LOG_WARNING, "%s already has a call record??\n", chan->name);
 | |
| 			} else {
 | |
| 				chan->cdr = ast_cdr_alloc();   /* allocate a cdr for the channel */
 | |
| 				if(!chan->cdr) {
 | |
| 					/* allocation of the cdr failed */
 | |
| 					ast_log(LOG_WARNING, "Unable to create Call Detail Record\n");
 | |
| 					free(chan->pbx);
 | |
| 					return -1;  /* return failure */
 | |
| 				}
 | |
| 				/* allocation of the cdr was successful */
 | |
| 				ast_cdr_init(chan->cdr, chan);  /* initilize our channel's cdr */
 | |
| 				ast_cdr_start(chan->cdr);
 | |
| 			}
 | |
| 
 | |
| 			if (chan->_state == AST_STATE_UP) {
 | |
| 					res = 0;
 | |
| 				if (option_verbose > 3)
 | |
| 					ast_verbose(VERBOSE_PREFIX_4 "Channel %s was answered.\n", chan->name);
 | |
| 
 | |
| 				if (sync > 1) {
 | |
| 					if (ast_pbx_run(chan)) {
 | |
| 						ast_log(LOG_ERROR, "Unable to run PBX on %s\n", chan->name);
 | |
| 						ast_hangup(chan);
 | |
| 						res = -1;
 | |
| 					}
 | |
| 				} else {
 | |
| 					if (ast_pbx_start(chan)) {
 | |
| 						ast_log(LOG_ERROR, "Unable to start PBX on %s\n", chan->name);
 | |
| 						ast_hangup(chan);
 | |
| 						res = -1;
 | |
| 					} 
 | |
| 				}
 | |
| 			} else {
 | |
| 				if (option_verbose > 3)
 | |
| 					ast_verbose(VERBOSE_PREFIX_4 "Channel %s was never answered.\n", chan->name);
 | |
| 
 | |
| 				if(chan->cdr) { /* update the cdr */
 | |
| 					/* here we update the status of the call, which sould be busy.
 | |
| 					 * if that fails then we set the status to failed */
 | |
| 					if(ast_cdr_disposition(chan->cdr, chan->hangupcause))
 | |
| 						ast_cdr_failed(chan->cdr);
 | |
| 				}
 | |
| 			
 | |
| 				ast_hangup(chan);
 | |
| 			}
 | |
| 		}
 | |
| 
 | |
| 		if(res < 0) { /* the call failed for some reason */
 | |
| 			if(*reason == 0) { /* if the call failed (not busy or no answer)
 | |
| 				            * update the cdr with the failed message */
 | |
| 				cdr_res = ast_pbx_outgoing_cdr_failed();
 | |
| 				if(cdr_res != 0)
 | |
| 					return cdr_res;
 | |
| 			}
 | |
| 			
 | |
| 			/* create a fake channel and execute the "failed" extension (if it exists) within the requested context */
 | |
| 			/* check if "failed" exists */
 | |
| 			if (ast_exists_extension(chan, context, "failed", 1, NULL)) {
 | |
| 				chan = ast_channel_alloc(0);
 | |
| 				if(chan) {
 | |
| 					strncpy(chan->name, "OutgoingSpoolFailed", sizeof(chan->name) - 1);
 | |
| 					if (context && !ast_strlen_zero(context))
 | |
| 						strncpy(chan->context, context, sizeof(chan->context) - 1);
 | |
| 					strncpy(chan->exten, "failed", sizeof(chan->exten) - 1);
 | |
| 					chan->priority = 1;
 | |
| 					if (variable) {
 | |
| 						tmp = ast_strdupa(variable);
 | |
| 						for (var = strtok_r(tmp, "|", &tmp); var; var = strtok_r(NULL, "|", &tmp)) {
 | |
| 							pbx_builtin_setvar( chan, var );
 | |
| 						}
 | |
| 					}
 | |
| 					ast_pbx_run(chan);	
 | |
| 				} else 
 | |
| 					ast_log(LOG_WARNING, "Can't allocate the channel structure, skipping execution of extension 'failed'\n");
 | |
| 			}
 | |
| 		}
 | |
| 	} else {
 | |
| 		as = malloc(sizeof(struct async_stat));
 | |
| 		if (!as)
 | |
| 			return -1;
 | |
| 		memset(as, 0, sizeof(struct async_stat));
 | |
| 		chan = ast_request_and_dial(type, format, data, timeout, reason, cid_num, cid_name);
 | |
| 		if (channel) {
 | |
| 			*channel = chan;
 | |
| 			if (chan)
 | |
| 				ast_mutex_lock(&chan->lock);
 | |
| 		}
 | |
| 		if (!chan) {
 | |
| 			free(as);
 | |
| 			return -1;
 | |
| 		}
 | |
| 		if (account)
 | |
| 			ast_cdr_setaccount(chan, account);
 | |
| 		as->chan = chan;
 | |
| 		strncpy(as->context, context, sizeof(as->context) - 1);
 | |
| 		strncpy(as->exten,  exten, sizeof(as->exten) - 1);
 | |
| 		as->priority = priority;
 | |
| 		as->timeout = timeout;
 | |
| 		if (variable) {
 | |
| 			tmp = ast_strdupa(variable);
 | |
| 			for (var = strtok_r(tmp, "|", &tmp); var; var = strtok_r(NULL, "|", &tmp))
 | |
| 				pbx_builtin_setvar( chan, var );
 | |
| 		}
 | |
| 		pthread_attr_init(&attr);
 | |
| 		pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
 | |
| 		if (ast_pthread_create(&as->p, &attr, async_wait, as)) {
 | |
| 			ast_log(LOG_WARNING, "Failed to start async wait\n");
 | |
| 			free(as);
 | |
| 			ast_hangup(chan);
 | |
| 			return -1;
 | |
| 		}
 | |
| 		res = 0;
 | |
| 	}
 | |
| 	return res;
 | |
| }
 | |
| 
 | |
| struct app_tmp {
 | |
| 	char app[256];
 | |
| 	char data[256];
 | |
| 	struct ast_channel *chan;
 | |
| 	pthread_t t;
 | |
| };
 | |
| 
 | |
| static void *ast_pbx_run_app(void *data)
 | |
| {
 | |
| 	struct app_tmp *tmp = data;
 | |
| 	struct ast_app *app;
 | |
| 	app = pbx_findapp(tmp->app);
 | |
| 	if (app) {
 | |
| 		if (option_verbose > 3)
 | |
| 			ast_verbose(VERBOSE_PREFIX_4 "Lauching %s(%s) on %s\n", tmp->app, tmp->data, tmp->chan->name);
 | |
| 		pbx_exec(tmp->chan, app, tmp->data, 1);
 | |
| 	} else
 | |
| 		ast_log(LOG_WARNING, "No such application '%s'\n", tmp->app);
 | |
| 	ast_hangup(tmp->chan);
 | |
| 	free(tmp);
 | |
| 	return NULL;
 | |
| }
 | |
| 
 | |
| int ast_pbx_outgoing_app(const char *type, int format, void *data, int timeout, const char *app, const char *appdata, int *reason, int sync, const char *cid_num, const char *cid_name, const char *variable, const char *account, struct ast_channel **locked_channel)
 | |
| {
 | |
| 	struct ast_channel *chan;
 | |
| 	struct async_stat *as;
 | |
| 	struct app_tmp *tmp;
 | |
| 	char *var, *vartmp;
 | |
| 	int res = -1, cdr_res = -1;
 | |
| 	pthread_attr_t attr;
 | |
| 	
 | |
| 	if (locked_channel) 
 | |
| 		*locked_channel = NULL;
 | |
| 	if (!app || ast_strlen_zero(app))
 | |
| 		return -1;
 | |
| 	if (sync) {
 | |
| 		chan = ast_request_and_dial(type, format, data, timeout, reason, cid_num, cid_name);
 | |
| 		if (chan) {
 | |
| 			if (account)
 | |
| 				ast_cdr_setaccount(chan, account);
 | |
| 			
 | |
| 			if(chan->cdr) { /* check if the channel already has a cdr record, if not give it one */
 | |
| 				ast_log(LOG_WARNING, "%s already has a call record??\n", chan->name);
 | |
| 			} else {
 | |
| 				chan->cdr = ast_cdr_alloc();   /* allocate a cdr for the channel */
 | |
| 				if(!chan->cdr) {
 | |
| 					/* allocation of the cdr failed */
 | |
| 					ast_log(LOG_WARNING, "Unable to create Call Detail Record\n");
 | |
| 					free(chan->pbx);
 | |
| 					return -1;  /* return failure */
 | |
| 				}
 | |
| 				/* allocation of the cdr was successful */
 | |
| 				ast_cdr_init(chan->cdr, chan);  /* initilize our channel's cdr */
 | |
| 				ast_cdr_start(chan->cdr);
 | |
| 			}
 | |
| 			
 | |
| 			if (variable) {
 | |
| 				vartmp = ast_strdupa(variable);
 | |
| 				for (var = strtok_r(vartmp, "|", &vartmp); var; var = strtok_r(NULL, "|", &vartmp)) {
 | |
| 					pbx_builtin_setvar( chan, var );
 | |
| 				}
 | |
| 			}
 | |
| 			if (chan->_state == AST_STATE_UP) {
 | |
| 				res = 0;
 | |
| 				if (option_verbose > 3)
 | |
| 					ast_verbose(VERBOSE_PREFIX_4 "Channel %s was answered.\n", chan->name);
 | |
| 				tmp = malloc(sizeof(struct app_tmp));
 | |
| 				if (tmp) {
 | |
| 					memset(tmp, 0, sizeof(struct app_tmp));
 | |
| 					strncpy(tmp->app, app, sizeof(tmp->app) - 1);
 | |
| 					strncpy(tmp->data, appdata, sizeof(tmp->data) - 1);
 | |
| 					tmp->chan = chan;
 | |
| 					if (sync > 1) {
 | |
| 						ast_pbx_run_app(tmp);
 | |
| 					} else {
 | |
| 						pthread_attr_init(&attr);
 | |
| 						pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
 | |
| 						if (locked_channel) 
 | |
| 							ast_mutex_lock(&chan->lock);
 | |
| 						if (ast_pthread_create(&tmp->t, &attr, ast_pbx_run_app, tmp)) {
 | |
| 							ast_log(LOG_WARNING, "Unable to spawn execute thread on %s: %s\n", chan->name, strerror(errno));
 | |
| 							free(tmp);
 | |
| 							if (locked_channel) 
 | |
| 								ast_mutex_unlock(&chan->lock);
 | |
| 							ast_hangup(chan);
 | |
| 							res = -1;
 | |
| 						} else {
 | |
| 							if (locked_channel) 
 | |
| 								*locked_channel = chan;
 | |
| 						}
 | |
| 					}
 | |
| 				} else {
 | |
| 					ast_log(LOG_ERROR, "Out of memory :(\n");
 | |
| 					res = -1;
 | |
| 				}
 | |
| 			} else {
 | |
| 				if (option_verbose > 3)
 | |
| 					ast_verbose(VERBOSE_PREFIX_4 "Channel %s was never answered.\n", chan->name);
 | |
| 				if(chan->cdr) { /* update the cdr */
 | |
| 					/* here we update the status of the call, which sould be busy.
 | |
| 					 * if that fails then we set the status to failed */
 | |
| 					if(ast_cdr_disposition(chan->cdr, chan->hangupcause))
 | |
| 						ast_cdr_failed(chan->cdr);
 | |
| 				}
 | |
| 				ast_hangup(chan);
 | |
| 			}
 | |
| 		}
 | |
| 		
 | |
| 		if(res < 0) { /* the call failed for some reason */
 | |
| 			if(*reason == 0) { /* if the call failed (not busy or no answer)
 | |
| 				            * update the cdr with the failed message */
 | |
| 				cdr_res = ast_pbx_outgoing_cdr_failed();
 | |
| 				if(cdr_res != 0)
 | |
| 					return cdr_res;
 | |
| 			}
 | |
| 		}
 | |
| 
 | |
| 	} else {
 | |
| 		as = malloc(sizeof(struct async_stat));
 | |
| 		if (!as)
 | |
| 			return -1;
 | |
| 		memset(as, 0, sizeof(struct async_stat));
 | |
| 		chan = ast_request_and_dial(type, format, data, timeout, reason, cid_num, cid_name);
 | |
| 		if (!chan) {
 | |
| 			free(as);
 | |
| 			return -1;
 | |
| 		}
 | |
| 		if (account)
 | |
| 			ast_cdr_setaccount(chan, account);
 | |
| 		as->chan = chan;
 | |
| 		strncpy(as->app, app, sizeof(as->app) - 1);
 | |
| 		if (appdata)
 | |
| 			strncpy(as->appdata,  appdata, sizeof(as->appdata) - 1);
 | |
| 		as->timeout = timeout;
 | |
| 		if (variable) {
 | |
| 			vartmp = ast_strdupa(variable);
 | |
| 			for (var = strtok_r(vartmp, "|", &vartmp); var; var = strtok_r(NULL, "|", &vartmp))
 | |
| 				pbx_builtin_setvar( chan, var );
 | |
| 		}
 | |
| 		/* Start a new thread, and get something handling this channel. */
 | |
| 		pthread_attr_init(&attr);
 | |
| 		pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
 | |
| 		if (locked_channel) 
 | |
| 			ast_mutex_lock(&chan->lock);
 | |
| 		if (ast_pthread_create(&as->p, &attr, async_wait, as)) {
 | |
| 			ast_log(LOG_WARNING, "Failed to start async wait\n");
 | |
| 			free(as);
 | |
| 			if (locked_channel) 
 | |
| 				ast_mutex_unlock(&chan->lock);
 | |
| 			ast_hangup(chan);
 | |
| 			return -1;
 | |
| 		} else {
 | |
| 			if (locked_channel)
 | |
| 				*locked_channel = chan;
 | |
| 		}
 | |
| 		res = 0;
 | |
| 	}
 | |
| 	return res;
 | |
| }
 | |
| 
 | |
| static void destroy_exten(struct ast_exten *e)
 | |
| {
 | |
| 	if (e->priority == PRIORITY_HINT)
 | |
| 		ast_remove_hint(e);
 | |
| 
 | |
| 	if (e->datad)
 | |
| 		e->datad(e->data);
 | |
| 	free(e);
 | |
| }
 | |
| 
 | |
| void __ast_context_destroy(struct ast_context *con, const char *registrar)
 | |
| {
 | |
| 	struct ast_context *tmp, *tmpl=NULL;
 | |
| 	struct ast_include *tmpi, *tmpil= NULL;
 | |
| 	struct ast_sw *sw, *swl= NULL;
 | |
| 	struct ast_exten *e, *el, *en;
 | |
| 	struct ast_ignorepat *ipi, *ipl = NULL;
 | |
| 
 | |
| 	ast_mutex_lock(&conlock);
 | |
| 	tmp = contexts;
 | |
| 	while(tmp) {
 | |
| 		if (((tmp->name && con && con->name && !strcasecmp(tmp->name, con->name)) || !con) &&
 | |
| 		    (!registrar || !strcasecmp(registrar, tmp->registrar))) {
 | |
| 			/* Okay, let's lock the structure to be sure nobody else
 | |
| 			   is searching through it. */
 | |
| 			if (ast_mutex_lock(&tmp->lock)) {
 | |
| 				ast_log(LOG_WARNING, "Unable to lock context lock\n");
 | |
| 				return;
 | |
| 			}
 | |
| 			if (tmpl)
 | |
| 				tmpl->next = tmp->next;
 | |
| 			else
 | |
| 				contexts = tmp->next;
 | |
| 			/* Okay, now we're safe to let it go -- in a sense, we were
 | |
| 			   ready to let it go as soon as we locked it. */
 | |
| 			ast_mutex_unlock(&tmp->lock);
 | |
| 			for (tmpi = tmp->includes; tmpi; ) {
 | |
| 				/* Free includes */
 | |
| 				tmpil = tmpi;
 | |
| 				tmpi = tmpi->next;
 | |
| 				free(tmpil);
 | |
| 			}
 | |
| 			for (ipi = tmp->ignorepats; ipi; ) {
 | |
| 				/* Free ignorepats */
 | |
| 				ipl = ipi;
 | |
| 				ipi = ipi->next;
 | |
| 				free(ipl);
 | |
| 			}
 | |
| 			for (sw = tmp->alts; sw; ) {
 | |
| 				/* Free switches */
 | |
| 				swl = sw;
 | |
| 				sw = sw->next;
 | |
| 				free(swl);
 | |
| 				swl = sw;
 | |
| 			}
 | |
| 			for (e = tmp->root; e;) {
 | |
| 				for (en = e->peer; en;) {
 | |
| 					el = en;
 | |
| 					en = en->peer;
 | |
| 					destroy_exten(el);
 | |
| 				}
 | |
| 				el = e;
 | |
| 				e = e->next;
 | |
| 				destroy_exten(el);
 | |
| 			}
 | |
|                         ast_mutex_destroy(&tmp->lock);
 | |
| 			free(tmp);
 | |
| 			if (!con) {
 | |
| 				/* Might need to get another one -- restart */
 | |
| 				tmp = contexts;
 | |
| 				tmpl = NULL;
 | |
| 				tmpil = NULL;
 | |
| 				continue;
 | |
| 			}
 | |
| 			ast_mutex_unlock(&conlock);
 | |
| 			return;
 | |
| 		}
 | |
| 		tmpl = tmp;
 | |
| 		tmp = tmp->next;
 | |
| 	}
 | |
| 	ast_mutex_unlock(&conlock);
 | |
| }
 | |
| 
 | |
| void ast_context_destroy(struct ast_context *con, const char *registrar)
 | |
| {
 | |
| 	__ast_context_destroy(con,registrar);
 | |
| }
 | |
| 
 | |
| static void wait_for_hangup(struct ast_channel *chan, void *data)
 | |
| {
 | |
| 	int res;
 | |
| 	struct ast_frame *f;
 | |
| 	int waittime;
 | |
| 	
 | |
| 	if (!data || !strlen(data) || (sscanf(data, "%i", &waittime) != 1) || (waittime < 0))
 | |
| 		waittime = -1;
 | |
| 	if (waittime > -1) {
 | |
| 		ast_safe_sleep(chan, waittime * 1000);
 | |
| 	} else do {
 | |
| 		res = ast_waitfor(chan, -1);
 | |
| 		if (res < 0)
 | |
| 			return;
 | |
| 		f = ast_read(chan);
 | |
| 		if (f)
 | |
| 			ast_frfree(f);
 | |
| 	} while(f);
 | |
| }
 | |
| 
 | |
| static int pbx_builtin_progress(struct ast_channel *chan, void *data)
 | |
| {
 | |
| 	ast_indicate(chan, AST_CONTROL_PROGRESS);
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static int pbx_builtin_ringing(struct ast_channel *chan, void *data)
 | |
| {
 | |
| 	ast_indicate(chan, AST_CONTROL_RINGING);
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static int pbx_builtin_busy(struct ast_channel *chan, void *data)
 | |
| {
 | |
| 	ast_indicate(chan, AST_CONTROL_BUSY);		
 | |
| 	wait_for_hangup(chan, data);
 | |
| 	return -1;
 | |
| }
 | |
| 
 | |
| static int pbx_builtin_congestion(struct ast_channel *chan, void *data)
 | |
| {
 | |
| 	ast_indicate(chan, AST_CONTROL_CONGESTION);
 | |
| 	wait_for_hangup(chan, data);
 | |
| 	return -1;
 | |
| }
 | |
| 
 | |
| static int pbx_builtin_answer(struct ast_channel *chan, void *data)
 | |
| {
 | |
| 	int delay = atoi(data);
 | |
| 	int res;
 | |
| 	if (chan->_state == AST_STATE_UP)
 | |
| 		delay = 0;
 | |
| 	res = ast_answer(chan);
 | |
| 	if (res)
 | |
| 		return res;
 | |
| 	if (delay)
 | |
| 		res = ast_safe_sleep(chan, delay);
 | |
| 	return res;
 | |
| }
 | |
| 
 | |
| static int pbx_builtin_setlanguage(struct ast_channel *chan, void *data)
 | |
| {
 | |
| 	/* Copy the language as specified */
 | |
| 	if (data)
 | |
| 		strncpy(chan->language, (char *)data, sizeof(chan->language)-1);
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static int pbx_builtin_resetcdr(struct ast_channel *chan, void *data)
 | |
| {
 | |
| 	int flags = 0;
 | |
| 	/* Reset the CDR as specified */
 | |
| 	if(data) {
 | |
| 		if(strchr((char *)data, 'w'))
 | |
| 			flags |= AST_CDR_FLAG_POSTED;
 | |
| 		if(strchr((char *)data, 'a'))
 | |
| 			flags |= AST_CDR_FLAG_LOCKED;
 | |
| 	}
 | |
| 
 | |
| 	ast_cdr_reset(chan->cdr, flags);
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static int pbx_builtin_setaccount(struct ast_channel *chan, void *data)
 | |
| {
 | |
| 	/* Copy the account code  as specified */
 | |
| 	if (data)
 | |
| 		ast_cdr_setaccount(chan, (char *)data);
 | |
| 	else
 | |
| 		ast_cdr_setaccount(chan, "");
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static int pbx_builtin_setamaflags(struct ast_channel *chan, void *data)
 | |
| {
 | |
| 	/* Copy the AMA Flags as specified */
 | |
| 	if (data)
 | |
| 		ast_cdr_setamaflags(chan, (char *)data);
 | |
| 	else
 | |
| 		ast_cdr_setamaflags(chan, "");
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static int pbx_builtin_hangup(struct ast_channel *chan, void *data)
 | |
| {
 | |
| 	/* Just return non-zero and it will hang up */
 | |
| 	return -1;
 | |
| }
 | |
| 
 | |
| static int pbx_builtin_stripmsd(struct ast_channel *chan, void *data)
 | |
| {
 | |
| 	char newexten[AST_MAX_EXTENSION] = "";
 | |
| 
 | |
| 	if (!data || !atoi(data)) {
 | |
| 		ast_log(LOG_DEBUG, "Ignoring, since number of digits to strip is 0\n");
 | |
| 		return 0;
 | |
| 	}
 | |
| 	if (strlen(chan->exten) > atoi(data)) {
 | |
| 		strncpy(newexten, chan->exten + atoi(data), sizeof(newexten)-1);
 | |
| 	}
 | |
| 	strncpy(chan->exten, newexten, sizeof(chan->exten)-1);
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static int pbx_builtin_prefix(struct ast_channel *chan, void *data)
 | |
| {
 | |
| 	char newexten[AST_MAX_EXTENSION] = "";
 | |
| 
 | |
| 	if (!data || ast_strlen_zero(data)) {
 | |
| 		ast_log(LOG_DEBUG, "Ignoring, since there is no prefix to add\n");
 | |
| 		return 0;
 | |
| 	}
 | |
| 	snprintf(newexten, sizeof(newexten), "%s%s", (char *)data, chan->exten);
 | |
| 	strncpy(chan->exten, newexten, sizeof(chan->exten)-1);
 | |
| 	if (option_verbose > 2)
 | |
| 		ast_verbose(VERBOSE_PREFIX_3 "Prepended prefix, new extension is %s\n", chan->exten);
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static int pbx_builtin_suffix(struct ast_channel *chan, void *data)
 | |
| {
 | |
| 	char newexten[AST_MAX_EXTENSION] = "";
 | |
| 
 | |
| 	if (!data || ast_strlen_zero(data)) {
 | |
| 		ast_log(LOG_DEBUG, "Ignoring, since there is no suffix to add\n");
 | |
| 		return 0;
 | |
| 	}
 | |
| 	snprintf(newexten, sizeof(newexten), "%s%s", chan->exten, (char *)data);
 | |
| 	strncpy(chan->exten, newexten, sizeof(chan->exten)-1);
 | |
| 	if (option_verbose > 2)
 | |
| 		ast_verbose(VERBOSE_PREFIX_3 "Appended suffix, new extension is %s\n", chan->exten);
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static int pbx_builtin_gotoiftime(struct ast_channel *chan, void *data)
 | |
| {
 | |
| 	int res=0;
 | |
| 	char *s, *ts;
 | |
| 	struct ast_timing timing;
 | |
| 
 | |
| 	if (!data) {
 | |
| 		ast_log(LOG_WARNING, "GotoIfTime requires an argument:\n  <time range>|<days of week>|<days of month>|<months>?[[context|]extension|]priority\n");
 | |
| 		return -1;
 | |
| 	}
 | |
| 
 | |
| 	s = strdup((char *) data);
 | |
| 	ts = s;
 | |
| 
 | |
| 	/* Separate the Goto path */
 | |
| 	strsep(&ts,"?");
 | |
| 
 | |
| 	/* struct ast_include include contained garbage here, fixed by zeroing it on get_timerange */
 | |
| 	if (ast_build_timing(&timing, s) && ast_check_timing(&timing))
 | |
| 		res = pbx_builtin_goto(chan, (void *)ts);
 | |
| 	free(s);
 | |
| 	return res;
 | |
| }
 | |
| 
 | |
| static int pbx_builtin_wait(struct ast_channel *chan, void *data)
 | |
| {
 | |
| 	int ms;
 | |
| 
 | |
| 	/* Wait for "n" seconds */
 | |
| 	if (data && atof((char *)data)) {
 | |
| 		ms = atof((char *)data) * 1000;
 | |
| 		return ast_safe_sleep(chan, ms);
 | |
| 	}
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static int pbx_builtin_waitexten(struct ast_channel *chan, void *data)
 | |
| {
 | |
| 	int ms;
 | |
| 	int res;
 | |
| 	/* Wait for "n" seconds */
 | |
| 	if (data && atof((char *)data)) 
 | |
| 		ms = atof((char *)data) * 1000;
 | |
| 	else if (chan->pbx)
 | |
| 		ms = chan->pbx->rtimeout * 1000;
 | |
| 	else
 | |
| 		ms = 10000;
 | |
| 	res = ast_waitfordigit(chan, ms);
 | |
| 	if (!res) {
 | |
| 		if (ast_exists_extension(chan, chan->context, chan->exten, chan->priority + 1, chan->cid.cid_num)) {
 | |
| 			if (option_verbose > 2)
 | |
| 				ast_verbose(VERBOSE_PREFIX_3 "Timeout on %s, continuing...\n", chan->name);
 | |
| 		} else if (ast_exists_extension(chan, chan->context, "t", 1, chan->cid.cid_num)) {
 | |
| 			if (option_verbose > 2)
 | |
| 				ast_verbose(VERBOSE_PREFIX_3 "Timeout on %s, going to 't'\n", chan->name);
 | |
| 			strncpy(chan->exten, "t", sizeof(chan->exten));
 | |
| 			chan->priority = 0;
 | |
| 		} else {
 | |
| 			ast_log(LOG_WARNING, "Timeout but no rule 't' in context '%s'\n", chan->context);
 | |
| 			res = -1;
 | |
| 		}
 | |
| 	}
 | |
| 	return res;
 | |
| }
 | |
| 
 | |
| static int pbx_builtin_background(struct ast_channel *chan, void *data)
 | |
| {
 | |
| 	int res = 0;
 | |
| 	int option_skip = 0;
 | |
| 	int option_noanswer = 0;
 | |
| 	char *filename = NULL;
 | |
| 	char* stringp;
 | |
| 	char* options;
 | |
| 	char *lang = NULL;
 | |
| 	char *front = NULL, *back = NULL;
 | |
| 
 | |
| 	if (!data || ast_strlen_zero(data) || !(filename = ast_strdupa(data))) {
 | |
| 		ast_log(LOG_WARNING, "Background requires an argument(filename)\n");
 | |
| 		return -1;
 | |
| 	}
 | |
| 
 | |
| 	stringp = filename;
 | |
| 	strsep(&stringp, "|");
 | |
| 	options = strsep(&stringp, "|");
 | |
| 	if (options)
 | |
| 		lang = strsep(&stringp, "|");
 | |
| 	if (!lang)
 | |
| 		lang = chan->language;
 | |
| 
 | |
| 	if (options && !strcasecmp(options, "skip"))
 | |
| 		option_skip = 1;
 | |
| 	if (options && !strcasecmp(options, "noanswer"))
 | |
| 		option_noanswer = 1;
 | |
| 
 | |
| 	/* Answer if need be */
 | |
| 	if (chan->_state != AST_STATE_UP) {
 | |
| 		if (option_skip) {
 | |
| 			return 0;
 | |
| 		} else if (!option_noanswer) {
 | |
| 			res = ast_answer(chan);
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	if (!res) {
 | |
| 		/* Stop anything playing */
 | |
| 		ast_stopstream(chan);
 | |
| 		/* Stream a file */
 | |
| 		front = filename;
 | |
| 		while(!res && front) {
 | |
| 			if((back = strchr(front, '&'))) {
 | |
| 				*back = '\0';
 | |
| 				back++;
 | |
| 			}
 | |
| 			res = ast_streamfile(chan, front, lang);
 | |
| 			if (!res) {
 | |
| 				res = ast_waitstream(chan, AST_DIGIT_ANY);
 | |
| 				ast_stopstream(chan);
 | |
| 			} else {
 | |
| 				ast_log(LOG_WARNING, "ast_streamfile failed on %s for %s\n", chan->name, (char*)data);
 | |
| 				res = 0;
 | |
| 				break;
 | |
| 			}
 | |
| 			front = back;
 | |
| 		}
 | |
| 	}
 | |
| 	return res;
 | |
| }
 | |
| 
 | |
| static int pbx_builtin_atimeout(struct ast_channel *chan, void *data)
 | |
| {
 | |
| 	int x = atoi((char *) data);
 | |
| 
 | |
| 	/* Set the absolute maximum time how long a call can be connected */
 | |
| 	ast_channel_setwhentohangup(chan,x);
 | |
| 	if (option_verbose > 2)
 | |
| 		ast_verbose( VERBOSE_PREFIX_3 "Set Absolute Timeout to %d\n", x);
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static int pbx_builtin_rtimeout(struct ast_channel *chan, void *data)
 | |
| {
 | |
| 	/* Set the timeout for how long to wait between digits */
 | |
| 	chan->pbx->rtimeout = atoi((char *)data);
 | |
| 	if (option_verbose > 2)
 | |
| 		ast_verbose( VERBOSE_PREFIX_3 "Set Response Timeout to %d\n", chan->pbx->rtimeout);
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static int pbx_builtin_dtimeout(struct ast_channel *chan, void *data)
 | |
| {
 | |
| 	/* Set the timeout for how long to wait between digits */
 | |
| 	chan->pbx->dtimeout = atoi((char *)data);
 | |
| 	if (option_verbose > 2)
 | |
| 		ast_verbose( VERBOSE_PREFIX_3 "Set Digit Timeout to %d\n", chan->pbx->dtimeout);
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static int pbx_builtin_goto(struct ast_channel *chan, void *data)
 | |
| {
 | |
| 	int res;
 | |
| 	res = ast_parseable_goto(chan, (const char *) data);
 | |
| 	if (!res && (option_verbose > 2))
 | |
| 		ast_verbose( VERBOSE_PREFIX_3 "Goto (%s,%s,%d)\n", chan->context,chan->exten, chan->priority+1);
 | |
| 	return res;
 | |
| }
 | |
| 
 | |
| 
 | |
| int pbx_builtin_serialize_variables(struct ast_channel *chan, char *buf, size_t size) 
 | |
| {
 | |
| 	struct ast_var_t *variables;
 | |
| 	struct varshead *headp;
 | |
| 	char *var=NULL ,*val=NULL;
 | |
| 	int total = 0;
 | |
| 
 | |
| 	memset(buf,0,size);
 | |
| 	if (chan) {
 | |
| 		headp=&chan->varshead;
 | |
| 		AST_LIST_TRAVERSE(headp,variables,entries) {
 | |
| 			if(chan && variables && (var=ast_var_name(variables)) && (val=ast_var_value(variables)) && !ast_strlen_zero(var) && !ast_strlen_zero(val)) {
 | |
| 				snprintf(buf + strlen(buf), size - strlen(buf), "%s=%s\n", var, val);
 | |
| 				if(strlen(buf) >= size) {
 | |
| 					ast_log(LOG_ERROR,"Data Buffer Size Exceeded!\n");
 | |
| 					break;
 | |
| 				}
 | |
| 				total++;
 | |
| 			} else 
 | |
| 				break;
 | |
| 		}
 | |
| 	}
 | |
| 	
 | |
| 	return total;
 | |
| }
 | |
| 
 | |
| char *pbx_builtin_getvar_helper(struct ast_channel *chan, char *name) 
 | |
| {
 | |
| 	struct ast_var_t *variables;
 | |
| 	struct varshead *headp;
 | |
| 
 | |
| 	if (chan)
 | |
| 		headp=&chan->varshead;
 | |
| 	else
 | |
| 		headp=&globals;
 | |
| 
 | |
| 	if (name) {
 | |
| 		AST_LIST_TRAVERSE(headp,variables,entries) {
 | |
| 			if (!strcmp(name, ast_var_name(variables)))
 | |
| 				return ast_var_value(variables);
 | |
| 		}
 | |
| 		if (headp != &globals) {
 | |
| 			/* Check global variables if we haven't already */
 | |
| 			headp = &globals;
 | |
| 			AST_LIST_TRAVERSE(headp,variables,entries) {
 | |
| 				if (!strcmp(name, ast_var_name(variables)))
 | |
| 					return ast_var_value(variables);
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| 	return NULL;
 | |
| }
 | |
| 
 | |
| void pbx_builtin_setvar_helper(struct ast_channel *chan, char *name, char *value)
 | |
| {
 | |
| 	struct ast_var_t *newvariable;
 | |
| 	struct varshead *headp;
 | |
| 
 | |
| 	if (chan)
 | |
| 		headp = &chan->varshead;
 | |
| 	else
 | |
| 		headp = &globals;
 | |
| 
 | |
| 	AST_LIST_TRAVERSE (headp, newvariable, entries) {
 | |
| 		if (strcasecmp(ast_var_name(newvariable), name) == 0) {
 | |
| 			/* there is already such a variable, delete it */
 | |
| 			AST_LIST_REMOVE(headp, newvariable, entries);
 | |
| 			ast_var_delete(newvariable);
 | |
| 			break;
 | |
| 		}
 | |
| 	} 
 | |
| 
 | |
| 	if (value) {
 | |
| 		if ((option_verbose > 1) && (headp == &globals))
 | |
| 			ast_verbose(VERBOSE_PREFIX_3 "Setting global variable '%s' to '%s'\n", name, value);
 | |
| 		newvariable = ast_var_assign(name, value);	
 | |
| 		AST_LIST_INSERT_HEAD(headp, newvariable, entries);
 | |
| 	}
 | |
| }
 | |
| 
 | |
| int pbx_builtin_setvar(struct ast_channel *chan, void *data)
 | |
| {
 | |
| 	char *name;
 | |
| 	char *value;
 | |
| 	char *stringp=NULL;
 | |
| 
 | |
| 	if (!data || ast_strlen_zero(data)) {
 | |
| 		ast_log(LOG_WARNING, "Ignoring, since there is no variable to set\n");
 | |
| 		return 0;
 | |
| 	}
 | |
| 
 | |
| 	stringp = ast_strdupa(data);
 | |
| 	name = strsep(&stringp,"=");
 | |
| 	value = strsep(&stringp,"\0"); 
 | |
| 
 | |
| 	pbx_builtin_setvar_helper(chan, name, value);
 | |
| 
 | |
| 	return(0);
 | |
| }
 | |
| 
 | |
| int pbx_builtin_importvar(struct ast_channel *chan, void *data)
 | |
| {
 | |
| 	char *name;
 | |
| 	char *value;
 | |
| 	char *stringp=NULL;
 | |
| 	char *channel;
 | |
| 	struct ast_channel *chan2=NULL;
 | |
| 	char tmp[4096]="";
 | |
| 	char *s;
 | |
| 
 | |
| 	if (!data || ast_strlen_zero(data)) {
 | |
| 		ast_log(LOG_WARNING, "Ignoring, since there is no variable to set\n");
 | |
| 		return 0;
 | |
| 	}
 | |
| 
 | |
| 	stringp = ast_strdupa(data);
 | |
| 	name = strsep(&stringp,"=");
 | |
| 	channel = strsep(&stringp,"|"); 
 | |
| 	value = strsep(&stringp,"\0");
 | |
| 	if (channel && value && name) {
 | |
| 		while((chan2 = ast_channel_walk_locked(chan2))) {
 | |
| 			if (!strcmp(chan2->name, channel))
 | |
| 				break;
 | |
| 			ast_mutex_unlock(&chan2->lock);
 | |
| 		}
 | |
| 		if (chan2) {
 | |
| 			s = alloca(strlen(value) + 4);
 | |
| 			if (s) {
 | |
| 				sprintf(s, "${%s}", value);
 | |
| 				pbx_substitute_variables_helper(chan2, s, tmp, sizeof(tmp) - 1);
 | |
| 			}
 | |
| 			ast_mutex_unlock(&chan2->lock);
 | |
| 		}
 | |
| 		pbx_builtin_setvar_helper(chan, name, tmp);
 | |
| 	}
 | |
| 
 | |
| 	return(0);
 | |
| }
 | |
| 
 | |
| static int pbx_builtin_setglobalvar(struct ast_channel *chan, void *data)
 | |
| {
 | |
| 	char *name;
 | |
| 	char *value;
 | |
| 	char *stringp = NULL;
 | |
| 
 | |
| 	if (!data || ast_strlen_zero(data)) {
 | |
| 		ast_log(LOG_WARNING, "Ignoring, since there is no variable to set\n");
 | |
| 		return 0;
 | |
| 	}
 | |
| 
 | |
| 	stringp = data;
 | |
| 	name = strsep(&stringp, "=");
 | |
| 	value = strsep(&stringp, "\0"); 
 | |
| 
 | |
| 	pbx_builtin_setvar_helper(NULL, name, value);
 | |
| 
 | |
| 	return(0);
 | |
| }
 | |
| 
 | |
| static int pbx_builtin_noop(struct ast_channel *chan, void *data)
 | |
| {
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| 
 | |
| void pbx_builtin_clear_globals(void)
 | |
| {
 | |
| 	struct ast_var_t *vardata;
 | |
| 	while (!AST_LIST_EMPTY(&globals)) {
 | |
| 		vardata = AST_LIST_REMOVE_HEAD(&globals, entries);
 | |
| 		ast_var_delete(vardata);
 | |
| 	}
 | |
| }
 | |
| 
 | |
| static int pbx_checkcondition(char *condition) 
 | |
| {
 | |
| 	return condition ? atoi(condition) : 0;
 | |
| }
 | |
| 
 | |
| static int pbx_builtin_gotoif(struct ast_channel *chan, void *data)
 | |
| {
 | |
| 	char *condition,*branch1,*branch2,*branch;
 | |
| 	char *s;
 | |
| 	int rc;
 | |
| 	char *stringp=NULL;
 | |
| 
 | |
| 	if (!data || ast_strlen_zero(data)) {
 | |
| 		ast_log(LOG_WARNING, "Ignoring, since there is no variable to check\n");
 | |
| 		return 0;
 | |
| 	}
 | |
| 	
 | |
| 	s=ast_strdupa(data);
 | |
| 	stringp=s;
 | |
| 	condition=strsep(&stringp,"?");
 | |
| 	branch1=strsep(&stringp,":");
 | |
| 	branch2=strsep(&stringp,"");
 | |
| 	branch = pbx_checkcondition(condition) ? branch1 : branch2;
 | |
| 	
 | |
| 	if ((branch==NULL) || ast_strlen_zero(branch)) {
 | |
| 		ast_log(LOG_DEBUG, "Not taking any branch\n");
 | |
| 		return(0);
 | |
| 	}
 | |
| 	
 | |
| 	rc=pbx_builtin_goto(chan,branch);
 | |
| 
 | |
| 	return(rc);
 | |
| }           
 | |
| 
 | |
| static int pbx_builtin_saynumber(struct ast_channel *chan, void *data)
 | |
| {
 | |
| 	int res = 0;
 | |
| 	char tmp[256];
 | |
| 	char *number = (char *) NULL;
 | |
| 	char *options = (char *) NULL;
 | |
| 
 | |
| 	
 | |
| 	if (!data || ast_strlen_zero((char *)data)) {
 | |
|                 ast_log(LOG_WARNING, "SayNumber requires an argument (number)\n");
 | |
|                 return -1;
 | |
|         }
 | |
|         strncpy(tmp, (char *)data, sizeof(tmp)-1);
 | |
|         number=tmp;
 | |
|         strsep(&number, "|");
 | |
|         options = strsep(&number, "|");
 | |
|         if (options) { 
 | |
| 		if ( strcasecmp(options, "f") && strcasecmp(options,"m") && 
 | |
| 			strcasecmp(options, "c") && strcasecmp(options, "n") ) {
 | |
|                    ast_log(LOG_WARNING, "SayNumber gender option is either 'f', 'm', 'c' or 'n'\n");
 | |
|                    return -1;
 | |
| 		}
 | |
| 	}
 | |
| 	return res = ast_say_number(chan, atoi((char *) tmp), "", chan->language, options);
 | |
| }
 | |
| 
 | |
| static int pbx_builtin_saydigits(struct ast_channel *chan, void *data)
 | |
| {
 | |
| 	int res = 0;
 | |
| 
 | |
| 	if (data)
 | |
| 		res = ast_say_digit_str(chan, (char *)data, "", chan->language);
 | |
| 	return res;
 | |
| }
 | |
| 	
 | |
| static int pbx_builtin_saycharacters(struct ast_channel *chan, void *data)
 | |
| {
 | |
| 	int res = 0;
 | |
| 
 | |
| 	if (data)
 | |
| 		res = ast_say_character_str(chan, (char *)data, "", chan->language);
 | |
| 	return res;
 | |
| }
 | |
| 	
 | |
| static int pbx_builtin_sayphonetic(struct ast_channel *chan, void *data)
 | |
| {
 | |
| 	int res = 0;
 | |
| 
 | |
| 	if (data)
 | |
| 		res = ast_say_phonetic_str(chan, (char *)data, "", chan->language);
 | |
| 	return res;
 | |
| }
 | |
| 	
 | |
| int load_pbx(void)
 | |
| {
 | |
| 	int x;
 | |
| 
 | |
| 	/* Initialize the PBX */
 | |
| 	if (option_verbose) {
 | |
| 		ast_verbose( "Asterisk PBX Core Initializing\n");
 | |
| 		ast_verbose( "Registering builtin applications:\n");
 | |
| 	}
 | |
|         AST_LIST_HEAD_INIT(&globals);
 | |
| 	ast_cli_register(&show_applications_cli);
 | |
| 	ast_cli_register(&show_application_cli);
 | |
| 	ast_cli_register(&show_dialplan_cli);
 | |
| 	ast_cli_register(&show_switches_cli);
 | |
| 
 | |
| 	/* Register builtin applications */
 | |
| 	for (x=0; x<sizeof(builtins) / sizeof(struct pbx_builtin); x++) {
 | |
| 		if (option_verbose)
 | |
| 			ast_verbose( VERBOSE_PREFIX_1 "[%s]\n", builtins[x].name);
 | |
| 		if (ast_register_application(builtins[x].name, builtins[x].execute, builtins[x].synopsis, builtins[x].description)) {
 | |
| 			ast_log(LOG_ERROR, "Unable to register builtin application '%s'\n", builtins[x].name);
 | |
| 			return -1;
 | |
| 		}
 | |
| 	}
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| /*
 | |
|  * Lock context list functions ...
 | |
|  */
 | |
| int ast_lock_contexts()
 | |
| {
 | |
| 	return ast_mutex_lock(&conlock);
 | |
| }
 | |
| 
 | |
| int ast_unlock_contexts()
 | |
| {
 | |
| 	return ast_mutex_unlock(&conlock);
 | |
| }
 | |
| 
 | |
| /*
 | |
|  * Lock context ...
 | |
|  */
 | |
| int ast_lock_context(struct ast_context *con)
 | |
| {
 | |
| 	return ast_mutex_lock(&con->lock);
 | |
| }
 | |
| 
 | |
| int ast_unlock_context(struct ast_context *con)
 | |
| {
 | |
| 	return ast_mutex_unlock(&con->lock);
 | |
| }
 | |
| 
 | |
| /*
 | |
|  * Name functions ...
 | |
|  */
 | |
| const char *ast_get_context_name(struct ast_context *con)
 | |
| {
 | |
| 	return con ? con->name : NULL;
 | |
| }
 | |
| 
 | |
| const char *ast_get_extension_name(struct ast_exten *exten)
 | |
| {
 | |
| 	return exten ? exten->exten : NULL;
 | |
| }
 | |
| 
 | |
| const char *ast_get_extension_label(struct ast_exten *exten)
 | |
| {
 | |
| 	return exten ? exten->label : NULL;
 | |
| }
 | |
| 
 | |
| const char *ast_get_include_name(struct ast_include *inc)
 | |
| {
 | |
| 	return inc ? inc->name : NULL;
 | |
| }
 | |
| 
 | |
| const char *ast_get_ignorepat_name(struct ast_ignorepat *ip)
 | |
| {
 | |
| 	return ip ? ip->pattern : NULL;
 | |
| }
 | |
| 
 | |
| int ast_get_extension_priority(struct ast_exten *exten)
 | |
| {
 | |
| 	return exten ? exten->priority : -1;
 | |
| }
 | |
| 
 | |
| /*
 | |
|  * Registrar info functions ...
 | |
|  */
 | |
| const char *ast_get_context_registrar(struct ast_context *c)
 | |
| {
 | |
| 	return c ? c->registrar : NULL;
 | |
| }
 | |
| 
 | |
| const char *ast_get_extension_registrar(struct ast_exten *e)
 | |
| {
 | |
| 	return e ? e->registrar : NULL;
 | |
| }
 | |
| 
 | |
| const char *ast_get_include_registrar(struct ast_include *i)
 | |
| {
 | |
| 	return i ? i->registrar : NULL;
 | |
| }
 | |
| 
 | |
| const char *ast_get_ignorepat_registrar(struct ast_ignorepat *ip)
 | |
| {
 | |
| 	return ip ? ip->registrar : NULL;
 | |
| }
 | |
| 
 | |
| int ast_get_extension_matchcid(struct ast_exten *e)
 | |
| {
 | |
| 	return e ? e->matchcid : 0;
 | |
| }
 | |
| 
 | |
| const char *ast_get_extension_cidmatch(struct ast_exten *e)
 | |
| {
 | |
| 	return e ? e->cidmatch : NULL;
 | |
| }
 | |
| 
 | |
| const char *ast_get_extension_app(struct ast_exten *e)
 | |
| {
 | |
| 	return e ? e->app : NULL;
 | |
| }
 | |
| 
 | |
| void *ast_get_extension_app_data(struct ast_exten *e)
 | |
| {
 | |
| 	return e ? e->data : NULL;
 | |
| }
 | |
| 
 | |
| const char *ast_get_switch_name(struct ast_sw *sw)
 | |
| {
 | |
| 	return sw ? sw->name : NULL;
 | |
| }
 | |
| 
 | |
| const char *ast_get_switch_data(struct ast_sw *sw)
 | |
| {
 | |
| 	return sw ? sw->data : NULL;
 | |
| }
 | |
| 
 | |
| const char *ast_get_switch_registrar(struct ast_sw *sw)
 | |
| {
 | |
| 	return sw ? sw->registrar : NULL;
 | |
| }
 | |
| 
 | |
| /*
 | |
|  * Walking functions ...
 | |
|  */
 | |
| struct ast_context *ast_walk_contexts(struct ast_context *con)
 | |
| {
 | |
| 	if (!con)
 | |
| 		return contexts;
 | |
| 	else
 | |
| 		return con->next;
 | |
| }
 | |
| 
 | |
| struct ast_exten *ast_walk_context_extensions(struct ast_context *con,
 | |
| 	struct ast_exten *exten)
 | |
| {
 | |
| 	if (!exten)
 | |
| 		return con ? con->root : NULL;
 | |
| 	else
 | |
| 		return exten->next;
 | |
| }
 | |
| 
 | |
| struct ast_sw *ast_walk_context_switches(struct ast_context *con,
 | |
| 	struct ast_sw *sw)
 | |
| {
 | |
| 	if (!sw)
 | |
| 		return con ? con->alts : NULL;
 | |
| 	else
 | |
| 		return sw->next;
 | |
| }
 | |
| 
 | |
| struct ast_exten *ast_walk_extension_priorities(struct ast_exten *exten,
 | |
| 	struct ast_exten *priority)
 | |
| {
 | |
| 	if (!priority)
 | |
| 		return exten;
 | |
| 	else
 | |
| 		return priority->peer;
 | |
| }
 | |
| 
 | |
| struct ast_include *ast_walk_context_includes(struct ast_context *con,
 | |
| 	struct ast_include *inc)
 | |
| {
 | |
| 	if (!inc)
 | |
| 		return con ? con->includes : NULL;
 | |
| 	else
 | |
| 		return inc->next;
 | |
| }
 | |
| 
 | |
| struct ast_ignorepat *ast_walk_context_ignorepats(struct ast_context *con,
 | |
| 	struct ast_ignorepat *ip)
 | |
| {
 | |
| 	if (!ip)
 | |
| 		return con ? con->ignorepats : NULL;
 | |
| 	else
 | |
| 		return ip->next;
 | |
| }
 | |
| 
 | |
| int ast_context_verify_includes(struct ast_context *con)
 | |
| {
 | |
| 	struct ast_include *inc;
 | |
| 	int res = 0;
 | |
| 
 | |
| 	for (inc = ast_walk_context_includes(con, NULL); inc; inc = ast_walk_context_includes(con, inc))
 | |
| 		if (!ast_context_find(inc->rname)) {
 | |
| 			res = -1;
 | |
| 			ast_log(LOG_WARNING, "Context '%s' tries includes non-existant context '%s'\n",
 | |
| 					ast_get_context_name(con), inc->rname);
 | |
| 		}
 | |
| 	return res;
 | |
| }
 | |
| 
 | |
| 
 | |
| static int __ast_goto_if_exists(struct ast_channel *chan, char* context, char *exten, int priority, int async) 
 | |
| {
 | |
| 	int (*goto_func)(struct ast_channel *chan, const char *context, const char *exten, int priority) = NULL;
 | |
| 
 | |
| 	if(chan) {
 | |
| 
 | |
| 		if (async) {
 | |
| 			goto_func = ast_async_goto;
 | |
| 		} else { 
 | |
| 			goto_func = ast_explicit_goto;
 | |
| 			priority--;
 | |
| 			if(priority < 0)
 | |
| 				priority = 0;
 | |
| 		}
 | |
| 
 | |
| 		if (ast_exists_extension(chan, 
 | |
| 								 context ? context : chan->context,
 | |
| 								 exten ? exten : chan->exten,
 | |
| 								 priority,
 | |
| 								 chan->cid.cid_num)) {
 | |
| 			return goto_func(chan,
 | |
| 							 context ? context : chan->context,
 | |
| 							 exten ? exten : chan->exten,
 | |
| 							 priority);
 | |
| 		} else 
 | |
| 			return -3;
 | |
| 	}
 | |
| 	
 | |
| 	return -2;
 | |
| }
 | |
| 
 | |
| int ast_goto_if_exists(struct ast_channel *chan, char* context, char *exten, int priority) {
 | |
| 	return __ast_goto_if_exists(chan, context, exten, priority, 0);
 | |
| }
 | |
| 
 | |
| int ast_async_goto_if_exists(struct ast_channel *chan, char* context, char *exten, int priority) {
 | |
| 	return __ast_goto_if_exists(chan, context, exten, priority, 1);
 | |
| }
 | |
| 
 | |
| int ast_parseable_goto(struct ast_channel *chan, const char *goto_string) 
 | |
| {
 | |
| 	char *s;
 | |
| 	char *exten, *pri, *context;
 | |
| 	char *stringp=NULL;
 | |
| 	int ipri;
 | |
| 	int mode = 0;
 | |
| 
 | |
| 	if (!goto_string || ast_strlen_zero(goto_string)) {
 | |
| 		ast_log(LOG_WARNING, "Goto requires an argument (optional context|optional extension|priority)\n");
 | |
| 		return -1;
 | |
| 	}
 | |
| 	s = ast_strdupa(goto_string);
 | |
| 	stringp=s;
 | |
| 	context = strsep(&stringp, "|");
 | |
| 	exten = strsep(&stringp, "|");
 | |
| 	if (!exten) {
 | |
| 		/* Only a priority in this one */
 | |
| 		pri = context;
 | |
| 		exten = NULL;
 | |
| 		context = NULL;
 | |
| 	} else {
 | |
| 		pri = strsep(&stringp, "|");
 | |
| 		if (!pri) {
 | |
| 			/* Only an extension and priority in this one */
 | |
| 			pri = exten;
 | |
| 			exten = context;
 | |
| 			context = NULL;
 | |
| 		}
 | |
| 	}
 | |
| 	if (*pri == '+') {
 | |
| 		mode = 1;
 | |
| 		pri++;
 | |
| 	} else if (*pri == '-') {
 | |
| 		mode = -1;
 | |
| 		pri++;
 | |
| 	}
 | |
| 	if (sscanf(pri, "%i", &ipri) != 1) {
 | |
| 		if ((ipri = ast_findlabel_extension(chan, context ? context : chan->context, (exten && strcasecmp(exten, "BYEXTENSION")) ? exten : chan->exten, 
 | |
| 			pri, chan->cid.cid_num)) < 1) {
 | |
| 			ast_log(LOG_WARNING, "Priority '%s' must be a number > 0, or valid label\n", pri);
 | |
| 			return -1;
 | |
| 		} else
 | |
| 			mode = 0;
 | |
| 	} 
 | |
| 	/* At this point we have a priority and maybe an extension and a context */
 | |
| 
 | |
| 	if (exten && !strcasecmp(exten, "BYEXTENSION"))
 | |
| 		exten = NULL;
 | |
| 
 | |
| 	if (mode) 
 | |
| 		ipri = chan->priority + (ipri * mode);
 | |
| 
 | |
| 	/* This channel is currently in the PBX */
 | |
| 	ast_explicit_goto(chan, context, exten, ipri - 1);
 | |
| 	ast_cdr_update(chan);
 | |
| 	return 0;
 | |
| 
 | |
| }
 | |
| 
 | |
| 
 |