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asterisk/apps/app_osplookup.c
Tilghman Lesher 642bec4d6f AST-2009-005 
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@211539 65c4cc65-6c06-0410-ace0-fbb531ad65f3
2009-08-10 19:20:57 +00:00

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/*
* Asterisk -- An open source telephony toolkit.
*
* Copyright (C) 1999 - 2006, Digium, Inc.
*
* Mark Spencer <markster@digium.com>
*
* See http://www.asterisk.org for more information about
* the Asterisk project. Please do not directly contact
* any of the maintainers of this project for assistance;
* the project provides a web site, mailing lists and IRC
* channels for your use.
*
* This program is free software, distributed under the terms of
* the GNU General Public License Version 2. See the LICENSE file
* at the top of the source tree.
*/
/*!
* \file
* \brief Open Settlement Protocol (OSP) Applications
*
* \author Mark Spencer <markster@digium.com>
*
* \extref The OSP Toolkit: http://www.transnexus.com
* \extref OpenSSL http://www.openssl.org
*
* \ingroup applications
*/
/*** MODULEINFO
<depend>osptk</depend>
<depend>openssl</depend>
***/
#include "asterisk.h"
ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
#include <osp/osp.h>
#include <osp/osputils.h>
#include <osp/ospb64.h>
#include "asterisk/paths.h"
#include "asterisk/lock.h"
#include "asterisk/config.h"
#include "asterisk/utils.h"
#include "asterisk/causes.h"
#include "asterisk/channel.h"
#include "asterisk/app.h"
#include "asterisk/module.h"
#include "asterisk/pbx.h"
#include "asterisk/cli.h"
#include "asterisk/astosp.h"
/*** DOCUMENTATION
<application name="OSPAuth" language="en_US">
<synopsis>
OSP Authentication.
</synopsis>
<syntax>
<parameter name="provider" />
<parameter name="options" />
</syntax>
<description>
<para>Authenticate a SIP INVITE by OSP and sets the variables:</para>
<variablelist>
<variable name="OSPINHANDLE">
<para>The inbound call transaction handle.</para>
</variable>
<variable name="OSPINTIMELIMIT">
<para>The inbound call duration limit in seconds.</para>
</variable>
</variablelist>
<para>This application sets the following channel variable upon completion:</para>
<variablelist>
<variable name="OSPAUTHSTATUS">
<para>The status of the OSP Auth attempt as a text string, one of</para>
<value name="SUCCESS" />
<value name="FAILED" />
<value name="ERROR" />
</variable>
</variablelist>
</description>
</application>
<application name="OSPLookup" language="en_US">
<synopsis>
Lookup destination by OSP.
</synopsis>
<syntax>
<parameter name="exten" required="true" />
<parameter name="provider" />
<parameter name="options">
<enumlist>
<enum name="h">
<para>generate H323 call id for the outbound call</para>
</enum>
<enum name="s">
<para>generate SIP call id for the outbound call.
Have not been implemented</para>
</enum>
<enum name="i">
<para>generate IAX call id for the outbound call.
Have not been implemented</para>
</enum>
</enumlist>
</parameter>
</syntax>
<description>
<para>Looks up an extension via OSP and sets the variables, where <literal>n</literal> is the
number of the result beginning with <literal>1</literal>:</para>
<variablelist>
<variable name="OSPOUTHANDLE">
<para>The OSP Handle for anything remaining.</para>
</variable>
<variable name="OSPTECH">
<para>The technology to use for the call.</para>
</variable>
<variable name="OSPDEST">
<para>The destination to use for the call.</para>
</variable>
<variable name="OSPCALLED">
<para>The called number to use for the call.</para>
</variable>
<variable name="OSPCALLING">
<para>The calling number to use for the call.</para>
</variable>
<variable name="OSPDIALSTR">
<para>The dial command string.</para>
</variable>
<variable name="OSPOUTTOKEN">
<para>The actual OSP token as a string.</para>
</variable>
<variable name="OSPOUTTIMELIMIT">
<para>The outbound call duraction limit in seconds.</para>
</variable>
<variable name="OSPOUTCALLIDTYPES">
<para>The outbound call id types.</para>
</variable>
<variable name="OSPOUTCALLID">
<para>The outbound call id.</para>
</variable>
<variable name="OSPRESULTS">
<para>The number of OSP results total remaining.</para>
</variable>
</variablelist>
<variablelist>
<variable name="OSPLOOKUPSTATUS">
<para>This application sets the following channel variable upon completion:</para>
<value name="SUCCESS" />
<value name="FAILED" />
<value name="ERROR" />
</variable>
</variablelist>
</description>
</application>
<application name="OSPNext" language="en_US">
<synopsis>
Lookup next destination by OSP.
</synopsis>
<syntax>
<parameter name="cause" required="true" />
<parameter name="provider" />
<parameter name="options" />
</syntax>
<description>
<para>Looks up the next OSP Destination for <variable>OSPOUTHANDLE</variable>.</para>
<para>This application sets the following channel variable upon completion:</para>
<variablelist>
<variable name="OSPNEXTSTATUS">
<para>The status of the OSP Next attempt as a text string, one of</para>
<value name="SUCCESS" />
<value name="FAILED" />
<value name="ERROR" />
</variable>
</variablelist>
</description>
<see-also>
<ref type="application">OSPLookup</ref>
</see-also>
</application>
<application name="OSPFinish" language="en_US">
<synopsis>
Record OSP entry.
</synopsis>
<syntax>
<parameter name="status" />
<parameter name="options" />
</syntax>
<description>
<para>Records call state for <variable>OSPINHANDLE</variable>, according to status, which should
be one of <literal>BUSY</literal>, <literal>CONGESTION</literal>, <literal>ANSWER</literal>,
<literal>NOANSWER</literal>, or <literal>CHANUNAVAIL</literal> or coincidentally, just what the
Dial application stores in its <variable>DIALSTATUS</variable>.</para>
<para>This application sets the following channel variable upon completion:</para>
<variablelist>
<variable name="OSPFINISHSTATUS">
<para>The status of the OSP Finish attempt as a text string, one of</para>
<value name="SUCCESS" />
<value name="FAILED" />
<value name="ERROR" />
</variable>
</variablelist>
</description>
</application>
***/
/* OSP Buffer Sizes */
#define OSP_INTSTR_SIZE ((unsigned int)16) /* OSP signed/unsigned int string buffer size */
#define OSP_NORSTR_SIZE ((unsigned int)256) /* OSP normal string buffer size */
#define OSP_KEYSTR_SIZE ((unsigned int)1024) /* OSP certificate string buffer size */
#define OSP_TOKSTR_SIZE ((unsigned int)4096) /* OSP token string buffer size */
#define OSP_TECHSTR_SIZE ((unsigned int)32) /* OSP signed/unsigned int string buffer size */
#define OSP_UUID_SIZE ((unsigned int)16) /* UUID size */
#define OSP_UUIDSTR_SIZE ((unsigned int)36) /* UUID string size */
/* OSP Authentication Policy */
enum osp_authpolicy {
OSP_AUTH_NO, /* Accept any call */
OSP_AUTH_YES, /* Accept call with valid OSP token or without OSP token */
OSP_AUTH_EXCLUSIVE /* Only accept call with valid OSP token */
};
/* Call ID type*/
#define OSP_CALLID_UNDEFINED ((unsigned int)0) /* UNDEFINED */
#define OSP_CALLID_H323 ((unsigned int)(1 << 0)) /* H.323 */
#define OSP_CALLID_SIP ((unsigned int)(1 << 1)) /* SIP */
#define OSP_CALLID_IAX ((unsigned int)(1 << 2)) /* IAX2 */
#define OSP_CALLID_MAXNUM ((unsigned int)3) /* Max number of call ID type */
/* OSP Supported Destination Protocols */
#define OSP_PROT_H323 ((char*)"H323") /* H323 Q931 protocol name*/
#define OSP_PROT_SIP ((char*)"SIP") /* SIP protocol name */
#define OSP_PROT_IAX ((char*)"IAX") /* IAX protocol name */
#define OSP_PROT_OTHER ((char*)"OTHER") /* Other protocol name */
/* OSP supported Destination Tech */
#if 0
#define OSP_TECH_H323 ((char*)"OOH323") /* OOH323 tech name */
#endif
#define OSP_TECH_H323 ((char*)"H323") /* OH323 tech name */
#define OSP_TECH_SIP ((char*)"SIP") /* SIP tech name */
#define OSP_TECH_IAX ((char*)"IAX2") /* IAX2 tech name */
/* SIP OSP header field name */
#define OSP_SIP_HEADER ((char*)"P-OSP-Auth-Token: ")
/* OSP Constants */
#define OSP_INVALID_HANDLE ((int)-1) /* Invalid OSP handle, provider, transaction etc. */
#define OSP_CONFIG_FILE ((const char*)"osp.conf") /* OSP configuration file name */
#define OSP_GENERAL_CAT ((const char*)"general") /* OSP global configuration context name */
#define OSP_DEF_PROVIDER ((const char*)"default") /* OSP default provider context name */
#define OSP_MAX_CERTS ((unsigned int)10) /* OSP max number of cacerts */
#define OSP_MAX_SRVS ((unsigned int)10) /* OSP max number of service points */
#define OSP_DEF_MAXCONNECTIONS ((unsigned int)20) /* OSP default max_connections */
#define OSP_MIN_MAXCONNECTIONS ((unsigned int)1) /* OSP min max_connections */
#define OSP_MAX_MAXCONNECTIONS ((unsigned int)1000) /* OSP max max_connections */
#define OSP_DEF_RETRYDELAY ((unsigned int)0) /* OSP default retry delay */
#define OSP_MIN_RETRYDELAY ((unsigned int)0) /* OSP min retry delay */
#define OSP_MAX_RETRYDELAY ((unsigned int)10) /* OSP max retry delay */
#define OSP_DEF_RETRYLIMIT ((unsigned int)2) /* OSP default retry times */
#define OSP_MIN_RETRYLIMIT ((unsigned int)0) /* OSP min retry times */
#define OSP_MAX_RETRYLIMIT ((unsigned int)100) /* OSP max retry times */
#define OSP_DEF_TIMEOUT ((unsigned int)500) /* OSP default timeout in ms */
#define OSP_MIN_TIMEOUT ((unsigned int)200) /* OSP min timeout in ms */
#define OSP_MAX_TIMEOUT ((unsigned int)10000) /* OSP max timeout in ms */
#define OSP_DEF_AUTHPOLICY ((enum osp_authpolicy)OSP_AUTH_YES)
#define OSP_AUDIT_URL ((const char*)"localhost") /* OSP default Audit URL */
#define OSP_LOCAL_VALIDATION ((int)1) /* Validate OSP token locally */
#define OSP_SSL_LIFETIME ((unsigned int)300) /* SSL life time, in seconds */
#define OSP_HTTP_PERSISTENCE ((int)1) /* In seconds */
#define OSP_CUSTOMER_ID ((const char*)"") /* OSP customer ID */
#define OSP_DEVICE_ID ((const char*)"") /* OSP device ID */
#define OSP_DEF_DESTINATIONS ((unsigned int)5) /* OSP default max number of destinations */
#define OSP_DEF_TIMELIMIT ((unsigned int)0) /* OSP default duration limit, no limit */
#define OSP_DEF_PROTOCOL OSP_PROT_SIP /* OSP default destination protocol, SIP */
/* OSP Provider */
struct osp_provider {
char name[OSP_NORSTR_SIZE]; /* OSP provider context name */
char privatekey[OSP_NORSTR_SIZE]; /* OSP private key file name */
char localcert[OSP_NORSTR_SIZE]; /* OSP local cert file name */
unsigned int cacount; /* Number of cacerts */
char cacerts[OSP_MAX_CERTS][OSP_NORSTR_SIZE]; /* Cacert file names */
unsigned int spcount; /* Number of service points */
char srvpoints[OSP_MAX_SRVS][OSP_NORSTR_SIZE]; /* Service point URLs */
int maxconnections; /* Max number of connections */
int retrydelay; /* Retry delay */
int retrylimit; /* Retry limit */
int timeout; /* Timeout in ms */
char source[OSP_NORSTR_SIZE]; /* IP of self */
enum osp_authpolicy authpolicy; /* OSP authentication policy */
char* defaultprotocol; /* OSP default destination protocol */
OSPTPROVHANDLE handle; /* OSP provider handle */
struct osp_provider* next; /* Pointer to next OSP provider */
};
/* Call ID */
struct osp_callid {
unsigned char buf[OSPC_CALLID_MAXSIZE]; /* Call ID string */
unsigned int len; /* Call ID length */
};
/* OSP Application In/Output Results */
struct osp_result {
int inhandle; /* Inbound transaction handle */
int outhandle; /* Outbound transaction handle */
unsigned int intimelimit; /* Inbound duration limit */
unsigned int outtimelimit; /* Outbound duration limit */
char tech[OSP_TECHSTR_SIZE]; /* Outbound Asterisk TECH string */
char dest[OSP_NORSTR_SIZE]; /* Outbound destination IP address */
char called[OSP_NORSTR_SIZE]; /* Outbound called number, may be translated */
char calling[OSP_NORSTR_SIZE]; /* Outbound calling number, may be translated */
char token[OSP_TOKSTR_SIZE]; /* Outbound OSP token */
char networkid[OSP_NORSTR_SIZE]; /* Outbound network ID */
unsigned int numresults; /* Number of remain outbound destinations */
struct osp_callid outcallid; /* Outbound call ID */
};
/* OSP Module Global Variables */
AST_MUTEX_DEFINE_STATIC(osplock); /* Lock of OSP provider list */
static int osp_initialized = 0; /* Init flag */
static int osp_hardware = 0; /* Hardware accelleration flag */
static int osp_security = 0; /* Using security features flag */
static struct osp_provider* ospproviders = NULL; /* OSP provider list */
static unsigned int osp_tokenformat = TOKEN_ALGO_SIGNED; /* Token format supported */
/* OSP default certificates */
const char* B64PKey = "MIIBOgIBAAJBAK8t5l+PUbTC4lvwlNxV5lpl+2dwSZGW46dowTe6y133XyVEwNiiRma2YNk3xKs/TJ3Wl9Wpns2SYEAJsFfSTukCAwEAAQJAPz13vCm2GmZ8Zyp74usTxLCqSJZNyMRLHQWBM0g44Iuy4wE3vpi7Wq+xYuSOH2mu4OddnxswCP4QhaXVQavTAQIhAOBVCKXtppEw9UaOBL4vW0Ed/6EA/1D8hDW6St0h7EXJAiEAx+iRmZKhJD6VT84dtX5ZYNVk3j3dAcIOovpzUj9a0CECIEduTCapmZQ5xqAEsLXuVlxRtQgLTUD4ZxDElPn8x0MhAiBE2HlcND0+qDbvtwJQQOUzDgqg5xk3w8capboVdzAlQQIhAMC+lDL7+gDYkNAft5Mu+NObJmQs4Cr+DkDFsKqoxqrm";
const char* B64LCert = "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";
const char* B64CACert = "MIIBYDCCAQoCAQEwDQYJKoZIhvcNAQEEBQAwOzElMCMGA1UEAxMcb3NwdGVzdHNlcnZlci50cmFuc25leHVzLmNvbTESMBAGA1UEChMJT1NQU2VydmVyMB4XDTAyMDIwNDE4MjU1MloXDTEyMDIwMzE4MjU1MlowOzElMCMGA1UEAxMcb3NwdGVzdHNlcnZlci50cmFuc25leHVzLmNvbTESMBAGA1UEChMJT1NQU2VydmVyMFwwDQYJKoZIhvcNAQEBBQADSwAwSAJBAPGeGwV41EIhX0jEDFLRXQhDEr50OUQPq+f55VwQd0TQNts06BP29+UiNdRW3c3IRHdZcJdC1Cg68ME9cgeq0h8CAwEAATANBgkqhkiG9w0BAQQFAANBAGkzBSj1EnnmUxbaiG1N4xjIuLAWydun7o3bFk2tV8dBIhnuh445obYyk1EnQ27kI7eACCILBZqi2MHDOIMnoN0=";
/* OSP Client Wrapper APIs */
/*!
* \brief Create OSP provider handle according to configuration
* \param cfg OSP configuration
* \param provider OSP provider context name
* \return 1 Success, 0 Failed, -1 Error
*/
static int osp_create_provider(
struct ast_config* cfg,
const char* provider)
{
int res = 0;
struct ast_variable* v;
struct osp_provider* p;
OSPTPRIVATEKEY privatekey;
OSPT_CERT localcert;
OSPT_CERT cacerts[OSP_MAX_CERTS];
const OSPT_CERT* pcacerts[OSP_MAX_CERTS];
const char* psrvpoints[OSP_MAX_SRVS];
unsigned char privatekeydata[OSP_KEYSTR_SIZE];
unsigned char localcertdata[OSP_KEYSTR_SIZE];
unsigned char cacertdata[OSP_KEYSTR_SIZE];
int i, t, error = OSPC_ERR_NO_ERROR;
if (!(p = ast_calloc(1, sizeof(*p)))) {
ast_log(LOG_ERROR, "Out of memory\n");
return -1;
}
/* ast_calloc has set 0 in p */
ast_copy_string(p->name, provider, sizeof(p->name));
snprintf(p->privatekey, sizeof(p->privatekey), "%s/%s-privatekey.pem", ast_config_AST_KEY_DIR, provider);
snprintf(p->localcert, sizeof(p->localcert), "%s/%s-localcert.pem", ast_config_AST_KEY_DIR, provider);
snprintf(p->cacerts[0], sizeof(p->cacerts[0]), "%s/%s-cacert_0.pem", ast_config_AST_KEY_DIR, provider);
p->maxconnections = OSP_DEF_MAXCONNECTIONS;
p->retrydelay = OSP_DEF_RETRYDELAY;
p->retrylimit = OSP_DEF_RETRYLIMIT;
p->timeout = OSP_DEF_TIMEOUT;
p->authpolicy = OSP_DEF_AUTHPOLICY;
p->defaultprotocol = OSP_DEF_PROTOCOL;
p->handle = OSP_INVALID_HANDLE;
v = ast_variable_browse(cfg, provider);
while(v) {
if (!strcasecmp(v->name, "privatekey")) {
if (osp_security) {
if (v->value[0] == '/') {
ast_copy_string(p->privatekey, v->value, sizeof(p->privatekey));
} else {
snprintf(p->privatekey, sizeof(p->privatekey), "%s/%s", ast_config_AST_KEY_DIR, v->value);
}
ast_debug(1, "OSP: privatekey '%s'\n", p->privatekey);
}
} else if (!strcasecmp(v->name, "localcert")) {
if (osp_security) {
if (v->value[0] == '/') {
ast_copy_string(p->localcert, v->value, sizeof(p->localcert));
} else {
snprintf(p->localcert, sizeof(p->localcert), "%s/%s", ast_config_AST_KEY_DIR, v->value);
}
ast_debug(1, "OSP: localcert '%s'\n", p->localcert);
}
} else if (!strcasecmp(v->name, "cacert")) {
if (osp_security) {
if (p->cacount < OSP_MAX_CERTS) {
if (v->value[0] == '/') {
ast_copy_string(p->cacerts[p->cacount], v->value, sizeof(p->cacerts[0]));
} else {
snprintf(p->cacerts[p->cacount], sizeof(p->cacerts[0]), "%s/%s", ast_config_AST_KEY_DIR, v->value);
}
ast_debug(1, "OSP: cacerts[%d]: '%s'\n", p->cacount, p->cacerts[p->cacount]);
p->cacount++;
} else {
ast_log(LOG_WARNING, "OSP: Too many CA Certificates at line %d\n", v->lineno);
}
}
} else if (!strcasecmp(v->name, "servicepoint")) {
if (p->spcount < OSP_MAX_SRVS) {
ast_copy_string(p->srvpoints[p->spcount], v->value, sizeof(p->srvpoints[0]));
ast_debug(1, "OSP: servicepoint[%d]: '%s'\n", p->spcount, p->srvpoints[p->spcount]);
p->spcount++;
} else {
ast_log(LOG_WARNING, "OSP: Too many Service Points at line %d\n", v->lineno);
}
} else if (!strcasecmp(v->name, "maxconnections")) {
if ((sscanf(v->value, "%30d", &t) == 1) && (t >= OSP_MIN_MAXCONNECTIONS) && (t <= OSP_MAX_MAXCONNECTIONS)) {
p->maxconnections = t;
ast_debug(1, "OSP: maxconnections '%d'\n", t);
} else {
ast_log(LOG_WARNING, "OSP: maxconnections should be an integer from %d to %d, not '%s' at line %d\n",
OSP_MIN_MAXCONNECTIONS, OSP_MAX_MAXCONNECTIONS, v->value, v->lineno);
}
} else if (!strcasecmp(v->name, "retrydelay")) {
if ((sscanf(v->value, "%30d", &t) == 1) && (t >= OSP_MIN_RETRYDELAY) && (t <= OSP_MAX_RETRYDELAY)) {
p->retrydelay = t;
ast_debug(1, "OSP: retrydelay '%d'\n", t);
} else {
ast_log(LOG_WARNING, "OSP: retrydelay should be an integer from %d to %d, not '%s' at line %d\n",
OSP_MIN_RETRYDELAY, OSP_MAX_RETRYDELAY, v->value, v->lineno);
}
} else if (!strcasecmp(v->name, "retrylimit")) {
if ((sscanf(v->value, "%30d", &t) == 1) && (t >= OSP_MIN_RETRYLIMIT) && (t <= OSP_MAX_RETRYLIMIT)) {
p->retrylimit = t;
ast_debug(1, "OSP: retrylimit '%d'\n", t);
} else {
ast_log(LOG_WARNING, "OSP: retrylimit should be an integer from %d to %d, not '%s' at line %d\n",
OSP_MIN_RETRYLIMIT, OSP_MAX_RETRYLIMIT, v->value, v->lineno);
}
} else if (!strcasecmp(v->name, "timeout")) {
if ((sscanf(v->value, "%30d", &t) == 1) && (t >= OSP_MIN_TIMEOUT) && (t <= OSP_MAX_TIMEOUT)) {
p->timeout = t;
ast_debug(1, "OSP: timeout '%d'\n", t);
} else {
ast_log(LOG_WARNING, "OSP: timeout should be an integer from %d to %d, not '%s' at line %d\n",
OSP_MIN_TIMEOUT, OSP_MAX_TIMEOUT, v->value, v->lineno);
}
} else if (!strcasecmp(v->name, "source")) {
ast_copy_string(p->source, v->value, sizeof(p->source));
ast_debug(1, "OSP: source '%s'\n", p->source);
} else if (!strcasecmp(v->name, "authpolicy")) {
if ((sscanf(v->value, "%30d", &t) == 1) && ((t == OSP_AUTH_NO) || (t == OSP_AUTH_YES) || (t == OSP_AUTH_EXCLUSIVE))) {
p->authpolicy = t;
ast_debug(1, "OSP: authpolicy '%d'\n", t);
} else {
ast_log(LOG_WARNING, "OSP: authpolicy should be %d, %d or %d, not '%s' at line %d\n",
OSP_AUTH_NO, OSP_AUTH_YES, OSP_AUTH_EXCLUSIVE, v->value, v->lineno);
}
} else if (!strcasecmp(v->name, "defaultprotocol")) {
if (!strcasecmp(v->value, OSP_PROT_SIP)) {
p->defaultprotocol = OSP_PROT_SIP;
ast_debug(1, "OSP: default protocol '%s'\n", p->defaultprotocol);
} else if (!strcasecmp(v->value, OSP_PROT_H323)) {
p->defaultprotocol = OSP_PROT_H323;
ast_debug(1, "OSP: default protocol '%s'\n", p->defaultprotocol);
} else if (!strcasecmp(v->value, OSP_PROT_IAX)) {
p->defaultprotocol = OSP_PROT_IAX;
ast_debug(1, "OSP: default protocol '%s'\n", p->defaultprotocol);
} else {
ast_log(LOG_WARNING, "OSP: default protocol should be %s, %s, %s, or %s not '%s' at line %d\n",
OSP_PROT_SIP, OSP_PROT_H323, OSP_PROT_IAX, OSP_PROT_OTHER, v->value, v->lineno);
}
}
v = v->next;
}
if (p->cacount == 0) {
p->cacount = 1;
}
for (i = 0; i < p->spcount; i++) {
psrvpoints[i] = p->srvpoints[i];
}
if (osp_security) {
privatekey.PrivateKeyData = NULL;
privatekey.PrivateKeyLength = 0;
localcert.CertData = NULL;
localcert.CertDataLength = 0;
for (i = 0; i < p->cacount; i++) {
cacerts[i].CertData = NULL;
cacerts[i].CertDataLength = 0;
}
if ((error = OSPPUtilLoadPEMPrivateKey((unsigned char*)p->privatekey, &privatekey)) != OSPC_ERR_NO_ERROR) {
ast_log(LOG_WARNING, "OSP: Unable to load privatekey '%s', error '%d'\n", p->privatekey, error);
} else if ((error = OSPPUtilLoadPEMCert((unsigned char*)p->localcert, &localcert)) != OSPC_ERR_NO_ERROR) {
ast_log(LOG_WARNING, "OSP: Unable to load localcert '%s', error '%d'\n", p->localcert, error);
} else {
for (i = 0; i < p->cacount; i++) {
if ((error = OSPPUtilLoadPEMCert((unsigned char*)p->cacerts[i], &cacerts[i])) != OSPC_ERR_NO_ERROR) {
ast_log(LOG_WARNING, "OSP: Unable to load cacert '%s', error '%d'\n", p->cacerts[i], error);
break;
} else {
pcacerts[i] = &cacerts[i];
}
}
}
} else {
privatekey.PrivateKeyData = privatekeydata;
privatekey.PrivateKeyLength = sizeof(privatekeydata);
localcert.CertData = localcertdata;
localcert.CertDataLength = sizeof(localcertdata);
cacerts[0].CertData = cacertdata;
cacerts[0].CertDataLength = sizeof(cacertdata);
pcacerts[0] = &cacerts[0];
if ((error = OSPPBase64Decode(B64PKey, strlen(B64PKey), privatekey.PrivateKeyData, &privatekey.PrivateKeyLength)) != OSPC_ERR_NO_ERROR) {
ast_log(LOG_WARNING, "OSP: Unable to decode private key, error '%d'\n", error);
} else if ((error = OSPPBase64Decode(B64LCert, strlen(B64LCert), localcert.CertData, &localcert.CertDataLength)) != OSPC_ERR_NO_ERROR) {
ast_log(LOG_WARNING, "OSP: Unable to decode local cert, error '%d'\n", error);
} else if ((error = OSPPBase64Decode(B64CACert, strlen(B64CACert), cacerts[0].CertData, &cacerts[0].CertDataLength)) != OSPC_ERR_NO_ERROR) {
ast_log(LOG_WARNING, "OSP: Unable to decode cacert, error '%d'\n", error);
}
}
if (error == OSPC_ERR_NO_ERROR) {
error = OSPPProviderNew(
p->spcount,
psrvpoints,
NULL,
OSP_AUDIT_URL,
&privatekey,
&localcert,
p->cacount,
pcacerts,
OSP_LOCAL_VALIDATION,
OSP_SSL_LIFETIME,
p->maxconnections,
OSP_HTTP_PERSISTENCE,
p->retrydelay,
p->retrylimit,
p->timeout,
OSP_CUSTOMER_ID,
OSP_DEVICE_ID,
&p->handle);
if (error != OSPC_ERR_NO_ERROR) {
ast_log(LOG_WARNING, "OSP: Unable to create provider '%s', error '%d'\n", provider, error);
res = -1;
} else {
ast_debug(1, "OSP: provider '%s'\n", provider);
ast_mutex_lock(&osplock);
p->next = ospproviders;
ospproviders = p;
ast_mutex_unlock(&osplock);
res = 1;
}
}
if (osp_security) {
for (i = 0; i < p->cacount; i++) {
if (cacerts[i].CertData) {
ast_free(cacerts[i].CertData);
}
}
if (localcert.CertData) {
ast_free(localcert.CertData);
}
if (privatekey.PrivateKeyData) {
ast_free(privatekey.PrivateKeyData);
}
}
if (res != 1) {
ast_free(p);
}
return res;
}
/*!
* \brief Get OSP provider by name
* \param name OSP provider context name
* \param provider OSP provider structure
* \return 1 Success, 0 Failed, -1 Error
*/
static int osp_get_provider(
const char* name,
struct osp_provider** provider)
{
int res = 0;
struct osp_provider* p;
ast_mutex_lock(&osplock);
p = ospproviders;
while(p) {
if (!strcasecmp(p->name, name)) {
*provider = p;
ast_debug(1, "OSP: find provider '%s'\n", name);
res = 1;
break;
}
p = p->next;
}
ast_mutex_unlock(&osplock);
return res;
}
/*!
* \brief Create OSP transaction handle
* \param provider OSP provider context name
* \param transaction OSP transaction handle, output
* \param sourcesize Size of source buffer, in/output
* \param source Source of provider, output
* \return 1 Success, 0 Failed, -1 Error
*/
static int osp_create_transaction(
const char* provider,
int* transaction,
unsigned int sourcesize,
char* source)
{
int res = 0;
struct osp_provider* p;
int error;
ast_mutex_lock(&osplock);
p = ospproviders;
while(p) {
if (!strcasecmp(p->name, provider)) {
error = OSPPTransactionNew(p->handle, transaction);
if (error == OSPC_ERR_NO_ERROR) {
ast_debug(1, "OSP: transaction '%d'\n", *transaction);
ast_copy_string(source, p->source, sourcesize);
ast_debug(1, "OSP: source '%s'\n", source);
res = 1;
} else {
*transaction = OSP_INVALID_HANDLE;
ast_debug(1, "OSP: Unable to create transaction handle, error '%d'\n", error);
res = -1;
}
break;
}
p = p->next;
}
ast_mutex_unlock(&osplock);
return res;
}
/*!
* \brief Convert address to "[x.x.x.x]" or "host.domain" format
* \param src Source address string
* \param dst Destination address string
* \param buffersize Size of dst buffer
*/
static void osp_convert_address(
const char* src,
char* dst,
int buffersize)
{
struct in_addr inp;
if (inet_aton(src, &inp) != 0) {
snprintf(dst, buffersize, "[%s]", src);
} else {
snprintf(dst, buffersize, "%s", src);
}
}
/*!
* \brief Validate OSP token of inbound call
* \param transaction OSP transaction handle
* \param source Source of inbound call
* \param destination Destination of inbound call
* \param calling Calling number
* \param called Called number
* \param token OSP token, may be empty
* \param timelimit Call duration limit, output
* \return 1 Success, 0 Failed, -1 Error
*/
static int osp_validate_token(
int transaction,
const char* source,
const char* destination,
const char* calling,
const char* called,
const char* token,
unsigned int* timelimit)
{
int res;
int tokenlen;
unsigned char tokenstr[OSP_TOKSTR_SIZE];
char src[OSP_NORSTR_SIZE];
char dst[OSP_NORSTR_SIZE];
unsigned int authorised;
unsigned int dummy = 0;
int error;
tokenlen = ast_base64decode(tokenstr, token, strlen(token));
osp_convert_address(source, src, sizeof(src));
osp_convert_address(destination, dst, sizeof(dst));
error = OSPPTransactionValidateAuthorisation(
transaction,
src,
dst,
NULL,
NULL,
calling ? calling : "",
OSPC_NFORMAT_E164,
called,
OSPC_NFORMAT_E164,
0,
NULL,
tokenlen,
(char*)tokenstr,
&authorised,
timelimit,
&dummy,
NULL,
osp_tokenformat);
if (error != OSPC_ERR_NO_ERROR) {
ast_debug(1, "OSP: Unable to validate inbound token, error '%d'\n", error);
res = -1;
} else if (authorised) {
ast_debug(1, "OSP: Authorised\n");
res = 1;
} else {
ast_debug(1, "OSP: Unauthorised\n");
res = 0;
}
return res;
}
/*!
* \brief Choose min duration limit
* \param in Inbound duration limit
* \param out Outbound duration limit
* \return min duration limit
*/
static unsigned int osp_choose_timelimit(
unsigned int in,
unsigned int out)
{
if (in == OSP_DEF_TIMELIMIT) {
return out;
} else if (out == OSP_DEF_TIMELIMIT) {
return in;
} else {
return in < out ? in : out;
}
}
/*!
* \brief Choose min duration limit
* \param provider OSP provider
* \param called Called number
* \param calling Calling number
* \param destination Destination IP in '[x.x.x.x]' format
* \param tokenlen OSP token length
* \param token OSP token
* \param reason Failure reason, output
* \param result OSP lookup results, in/output
* \return 1 Success, 0 Failed, -1 Error
*/
static int osp_check_destination(
struct osp_provider* provider,
const char* called,
const char* calling,
char* destination,
unsigned int tokenlen,
const char* token,
OSPEFAILREASON* reason,
struct osp_result* result)
{
int res;
OSPE_DEST_OSPENABLED enabled;
OSPE_DEST_PROTOCOL protocol;
int error;
if (strlen(destination) <= 2) {
ast_debug(1, "OSP: Wrong destination format '%s'\n", destination);
*reason = OSPC_FAIL_NORMAL_UNSPECIFIED;
return -1;
}
if ((error = OSPPTransactionIsDestOSPEnabled(result->outhandle, &enabled)) != OSPC_ERR_NO_ERROR) {
ast_debug(1, "OSP: Unable to get destination OSP version, error '%d'\n", error);
*reason = OSPC_FAIL_NORMAL_UNSPECIFIED;
return -1;
}
if (enabled == OSPC_DOSP_FALSE) {
result->token[0] = '\0';
} else {
ast_base64encode(result->token, (const unsigned char*)token, tokenlen, sizeof(result->token) - 1);
}
if ((error = OSPPTransactionGetDestNetworkId(result->outhandle, result->networkid)) != OSPC_ERR_NO_ERROR) {
ast_debug(1, "OSP: Unable to get destination network ID, error '%d'\n", error);
result->networkid[0] = '\0';
}
if ((error = OSPPTransactionGetDestProtocol(result->outhandle, &protocol)) != OSPC_ERR_NO_ERROR) {
ast_debug(1, "OSP: Unable to get destination protocol, error '%d'\n", error);
*reason = OSPC_FAIL_NORMAL_UNSPECIFIED;
result->token[0] = '\0';
result->networkid[0] = '\0';
return -1;
}
res = 1;
/* Strip leading and trailing brackets */
destination[strlen(destination) - 1] = '\0';
switch(protocol) {
case OSPC_DPROT_Q931:
ast_debug(1, "OSP: protocol '%s'\n", OSP_PROT_H323);
ast_copy_string(result->tech, OSP_TECH_H323, sizeof(result->tech));
ast_copy_string(result->dest, destination + 1, sizeof(result->dest));
ast_copy_string(result->called, called, sizeof(result->called));
ast_copy_string(result->calling, calling, sizeof(result->calling));
break;
case OSPC_DPROT_SIP:
ast_debug(1, "OSP: protocol '%s'\n", OSP_PROT_SIP);
ast_copy_string(result->tech, OSP_TECH_SIP, sizeof(result->tech));
ast_copy_string(result->dest, destination + 1, sizeof(result->dest));
ast_copy_string(result->called, called, sizeof(result->called));
ast_copy_string(result->calling, calling, sizeof(result->calling));
break;
case OSPC_DPROT_IAX:
ast_debug(1, "OSP: protocol '%s'\n", OSP_PROT_IAX);
ast_copy_string(result->tech, OSP_TECH_IAX, sizeof(result->tech));
ast_copy_string(result->dest, destination + 1, sizeof(result->dest));
ast_copy_string(result->called, called, sizeof(result->called));
ast_copy_string(result->calling, calling, sizeof(result->calling));
break;
case OSPC_DPROT_UNDEFINED:
case OSPC_DPROT_UNKNOWN:
ast_debug(1, "OSP: unknown/undefined protocol '%d'\n", protocol);
ast_debug(1, "OSP: use default protocol '%s'\n", provider->defaultprotocol);
ast_copy_string(result->tech, provider->defaultprotocol, sizeof(result->tech));
ast_copy_string(result->dest, destination + 1, sizeof(result->dest));
ast_copy_string(result->called, called, sizeof(result->called));
ast_copy_string(result->calling, calling, sizeof(result->calling));
break;
case OSPC_DPROT_LRQ:
default:
ast_log(LOG_WARNING, "OSP: unsupported protocol '%d'\n", protocol);
*reason = OSPC_FAIL_PROTOCOL_ERROR;
result->token[0] = '\0';
result->networkid[0] = '\0';
res = 0;
break;
}
return res;
}
/*!
* \brief Convert Asterisk status to TC code
* \param cause Asterisk hangup cause
* \return OSP TC code
*/
static OSPEFAILREASON asterisk2osp(
int cause)
{
return (OSPEFAILREASON)cause;
}
/*!
* \brief OSP Authentication function
* \param provider OSP provider context name
* \param transaction OSP transaction handle, output
* \param source Source of inbound call
* \param calling Calling number
* \param called Called number
* \param token OSP token, may be empty
* \param timelimit Call duration limit, output
* \return 1 Authenricated, 0 Unauthenticated, -1 Error
*/
static int osp_auth(
const char* provider,
int* transaction,
const char* source,
const char* calling,
const char* called,
const char* token,
unsigned int* timelimit)
{
int res;
struct osp_provider* p = NULL;
char dest[OSP_NORSTR_SIZE];
*transaction = OSP_INVALID_HANDLE;
*timelimit = OSP_DEF_TIMELIMIT;
if ((res = osp_get_provider(provider, &p)) <= 0) {
ast_debug(1, "OSP: Unabe to find OSP provider '%s'\n", provider);
return res;
}
switch (p->authpolicy) {
case OSP_AUTH_NO:
res = 1;
break;
case OSP_AUTH_EXCLUSIVE:
if (ast_strlen_zero(token)) {
res = 0;
} else if ((res = osp_create_transaction(provider, transaction, sizeof(dest), dest)) <= 0) {
ast_debug(1, "OSP: Unable to generate transaction handle\n");
*transaction = OSP_INVALID_HANDLE;
res = 0;
} else if((res = osp_validate_token(*transaction, source, dest, calling, called, token, timelimit)) <= 0) {
OSPPTransactionRecordFailure(*transaction, OSPC_FAIL_CALL_REJECTED);
}
break;
case OSP_AUTH_YES:
default:
if (ast_strlen_zero(token)) {
res = 1;
} else if ((res = osp_create_transaction(provider, transaction, sizeof(dest), dest)) <= 0) {
ast_debug(1, "OSP: Unable to generate transaction handle\n");
*transaction = OSP_INVALID_HANDLE;
res = 0;
} else if((res = osp_validate_token(*transaction, source, dest, calling, called, token, timelimit)) <= 0) {
OSPPTransactionRecordFailure(*transaction, OSPC_FAIL_CALL_REJECTED);
}
break;
}
return res;
}
/*!
* \brief Create a UUID
* \param uuid UUID buffer
* \param buffersize UUID buffer size
* \return 1 Created, -1 Error
*/
static int osp_create_uuid(
unsigned char* uuid,
unsigned int* buffersize)
{
int i, res;
long int* tmp;
if (*buffersize >= OSP_UUID_SIZE) {
tmp = (long int*)uuid;
for (i = 0; i < OSP_UUID_SIZE / sizeof(long int); i++) {
tmp[i] = ast_random();
}
*buffersize = OSP_UUID_SIZE;
res = 1;
} else {
res = -1;
}
return res;
}
/*!
* \brief UUID to string
* \param uuid UUID
* \param buffer String buffer
* \param buffersize String buffer size
* \return 1 Successed, -1 Error
*/
static int osp_uuid2str(
unsigned char* uuid,
char* buffer,
unsigned int buffersize)
{
int res;
if (buffersize > OSP_UUIDSTR_SIZE) {
snprintf(buffer, buffersize, "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x",
uuid[0], uuid[1], uuid[2], uuid[3], uuid[4], uuid[5], uuid[6], uuid[7],
uuid[8], uuid[9], uuid[10], uuid[11], uuid[12], uuid[13], uuid[14], uuid[15]);
res = 1;
} else {
res = -1;
}
return res;
}
/*!
* \brief Create a call ID according to the type
* \param type Call ID type
* \param callid Call ID buffer
* \return 1 Created, 0 Not create, -1 Error
*/
static int osp_create_callid(
unsigned int type,
struct osp_callid* callid)
{
int res;
callid->len = sizeof(callid->buf);
switch (type) {
case OSP_CALLID_H323:
res = osp_create_uuid(callid->buf, &callid->len);
break;
case OSP_CALLID_SIP:
case OSP_CALLID_IAX:
res = 0;
default:
res = -1;
break;
}
if ((res != 1) && (callid->len != 0)) {
callid->buf[0] = '\0';
callid->len = 0;
}
return res;
}
/*!
* \brief OSP Lookup function
* \param provider OSP provider context name
* \param srcdev Source device of outbound call
* \param calling Calling number
* \param called Called number
* \param snetid Source network ID
* \param rnumber Routing number
* \param callidtypes Call ID types
* \param result Lookup results
* \return 1 Found , 0 No route, -1 Error
*/
static int osp_lookup(
const char* provider,
const char* srcdev,
const char* calling,
const char* called,
const char* snetid,
const char* rnumber,
unsigned int callidtypes,
struct osp_result* result)
{
int res;
struct osp_provider* p = NULL;
char source[OSP_NORSTR_SIZE];
char callingnum[OSP_NORSTR_SIZE];
char callednum[OSP_NORSTR_SIZE];
char destination[OSP_NORSTR_SIZE];
unsigned int tokenlen;
char token[OSP_TOKSTR_SIZE];
char src[OSP_NORSTR_SIZE];
char dev[OSP_NORSTR_SIZE];
unsigned int i, type;
struct osp_callid callid;
unsigned int callidnum;
OSPT_CALL_ID* callids[OSP_CALLID_MAXNUM];
unsigned int dummy = 0;
OSPEFAILREASON reason;
int error;
result->outhandle = OSP_INVALID_HANDLE;
result->tech[0] = '\0';
result->dest[0] = '\0';
result->called[0] = '\0';
result->calling[0] = '\0';
result->token[0] = '\0';
result->networkid[0] = '\0';
result->numresults = 0;
result->outtimelimit = OSP_DEF_TIMELIMIT;
if ((res = osp_get_provider(provider, &p)) <= 0) {
ast_debug(1, "OSP: Unabe to find OSP provider '%s'\n", provider);
return res;
}
if ((res = osp_create_transaction(provider, &result->outhandle, sizeof(source), source)) <= 0) {
ast_debug(1, "OSP: Unable to generate transaction handle\n");
result->outhandle = OSP_INVALID_HANDLE;
if (result->inhandle != OSP_INVALID_HANDLE) {
OSPPTransactionRecordFailure(result->inhandle, OSPC_FAIL_NORMAL_UNSPECIFIED);
}
return -1;
}
if (!ast_strlen_zero(snetid)) {
OSPPTransactionSetNetworkIds(result->outhandle, snetid, "");
}
if (!ast_strlen_zero(rnumber)) {
OSPPTransactionSetRoutingNumber(result->outhandle, rnumber);
}
callidnum = 0;
callids[0] = NULL;
for (i = 0; i < OSP_CALLID_MAXNUM; i++) {
type = 1 << i;
if (callidtypes & type) {
error = osp_create_callid(type, &callid);
if (error == 1) {
callids[callidnum] = OSPPCallIdNew(callid.len, callid.buf);
callidnum++;
}
}
}
osp_convert_address(source, src, sizeof(src));
osp_convert_address(srcdev, dev, sizeof(dev));
result->numresults = OSP_DEF_DESTINATIONS;
error = OSPPTransactionRequestAuthorisation(
result->outhandle,
src,
dev,
calling ? calling : "",
OSPC_NFORMAT_E164,
called,
OSPC_NFORMAT_E164,
NULL,
callidnum,
callids,
NULL,
&result->numresults,
&dummy,
NULL);
for (i = 0; i < callidnum; i++) {
OSPPCallIdDelete(&callids[i]);
}
if (error != OSPC_ERR_NO_ERROR) {
ast_debug(1, "OSP: Unable to request authorization, error '%d'\n", error);
result->numresults = 0;
if (result->inhandle != OSP_INVALID_HANDLE) {
OSPPTransactionRecordFailure(result->inhandle, OSPC_FAIL_NORMAL_UNSPECIFIED);
}
return -1;
}
if (!result->numresults) {
ast_debug(1, "OSP: No more destination\n");
if (result->inhandle != OSP_INVALID_HANDLE) {
OSPPTransactionRecordFailure(result->inhandle, OSPC_FAIL_NO_ROUTE_TO_DEST);
}
return 0;
}
result->outcallid.len = sizeof(result->outcallid.buf);
tokenlen = sizeof(token);
error = OSPPTransactionGetFirstDestination(
result->outhandle,
0,
NULL,
NULL,
&result->outtimelimit,
&result->outcallid.len,
result->outcallid.buf,
sizeof(callednum),
callednum,
sizeof(callingnum),
callingnum,
sizeof(destination),
destination,
0,
NULL,
&tokenlen,
token);
if (error != OSPC_ERR_NO_ERROR) {
ast_debug(1, "OSP: Unable to get first route, error '%d'\n", error);
result->numresults = 0;
result->outtimelimit = OSP_DEF_TIMELIMIT;
if (result->inhandle != OSP_INVALID_HANDLE) {
OSPPTransactionRecordFailure(result->inhandle, OSPC_FAIL_NO_ROUTE_TO_DEST);
}
return -1;
}
result->numresults--;
result->outtimelimit = osp_choose_timelimit(result->intimelimit, result->outtimelimit);
ast_debug(1, "OSP: outtimelimit '%d'\n", result->outtimelimit);
ast_debug(1, "OSP: called '%s'\n", callednum);
ast_debug(1, "OSP: calling '%s'\n", callingnum);
ast_debug(1, "OSP: destination '%s'\n", destination);
ast_debug(1, "OSP: token size '%d'\n", tokenlen);
if ((res = osp_check_destination(p, callednum, callingnum, destination, tokenlen, token, &reason, result)) > 0) {
return 1;
}
if (!result->numresults) {
ast_debug(1, "OSP: No more destination\n");
result->outtimelimit = OSP_DEF_TIMELIMIT;
OSPPTransactionRecordFailure(result->outhandle, reason);
if (result->inhandle != OSP_INVALID_HANDLE) {
OSPPTransactionRecordFailure(result->inhandle, OSPC_FAIL_NO_ROUTE_TO_DEST);
}
return 0;
}
while(result->numresults) {
result->outcallid.len = sizeof(result->outcallid.buf);
tokenlen = sizeof(token);
error = OSPPTransactionGetNextDestination(
result->outhandle,
reason,
0,
NULL,
NULL,
&result->outtimelimit,
&result->outcallid.len,
result->outcallid.buf,
sizeof(callednum),
callednum,
sizeof(callingnum),
callingnum,
sizeof(destination),
destination,
0,
NULL,
&tokenlen,
token);
if (error == OSPC_ERR_NO_ERROR) {
result->numresults--;
result->outtimelimit = osp_choose_timelimit(result->intimelimit, result->outtimelimit);
ast_debug(1, "OSP: outtimelimit '%d'\n", result->outtimelimit);
ast_debug(1, "OSP: called '%s'\n", callednum);
ast_debug(1, "OSP: calling '%s'\n", callingnum);
ast_debug(1, "OSP: destination '%s'\n", destination);
ast_debug(1, "OSP: token size '%d'\n", tokenlen);
if ((res = osp_check_destination(p, callednum, callingnum, destination, tokenlen, token, &reason, result)) > 0) {
break;
} else if (!result->numresults) {
ast_debug(1, "OSP: No more destination\n");
OSPPTransactionRecordFailure(result->outhandle, reason);
if (result->inhandle != OSP_INVALID_HANDLE) {
OSPPTransactionRecordFailure(result->inhandle, OSPC_FAIL_NO_ROUTE_TO_DEST);
}
res = 0;
break;
}
} else {
ast_debug(1, "OSP: Unable to get route, error '%d'\n", error);
result->numresults = 0;
result->outtimelimit = OSP_DEF_TIMELIMIT;
if (result->inhandle != OSP_INVALID_HANDLE) {
OSPPTransactionRecordFailure(result->inhandle, OSPC_FAIL_NORMAL_UNSPECIFIED);
}
res = -1;
break;
}
}
return res;
}
/*!
* \brief OSP Lookup Next function
* \param provider OSP provider name
* \param cause Asterisk hangup cuase
* \param result Lookup results, in/output
* \return 1 Found , 0 No route, -1 Error
*/
static int osp_next(
const char* provider,
int cause,
struct osp_result* result)
{
int res;
struct osp_provider* p = NULL;
char callingnum[OSP_NORSTR_SIZE];
char callednum[OSP_NORSTR_SIZE];
char destination[OSP_NORSTR_SIZE];
unsigned int tokenlen;
char token[OSP_TOKSTR_SIZE];
OSPEFAILREASON reason;
int error;
result->tech[0] = '\0';
result->dest[0] = '\0';
result->called[0] = '\0';
result->calling[0] = '\0';
result->token[0] = '\0';
result->networkid[0] = '\0';
result->outtimelimit = OSP_DEF_TIMELIMIT;
if ((res = osp_get_provider(provider, &p)) <= 0) {
ast_debug(1, "OSP: Unabe to find OSP provider '%s'\n", provider);
return res;
}
if (result->outhandle == OSP_INVALID_HANDLE) {
ast_debug(1, "OSP: Transaction handle undefined\n");
result->numresults = 0;
if (result->inhandle != OSP_INVALID_HANDLE) {
OSPPTransactionRecordFailure(result->inhandle, OSPC_FAIL_NORMAL_UNSPECIFIED);
}
return -1;
}
reason = asterisk2osp(cause);
if (!result->numresults) {
ast_debug(1, "OSP: No more destination\n");
OSPPTransactionRecordFailure(result->outhandle, reason);
if (result->inhandle != OSP_INVALID_HANDLE) {
OSPPTransactionRecordFailure(result->inhandle, OSPC_FAIL_NO_ROUTE_TO_DEST);
}
return 0;
}
while(result->numresults) {
result->outcallid.len = sizeof(result->outcallid.buf);
tokenlen = sizeof(token);
error = OSPPTransactionGetNextDestination(
result->outhandle,
reason,
0,
NULL,
NULL,
&result->outtimelimit,
&result->outcallid.len,
result->outcallid.buf,
sizeof(callednum),
callednum,
sizeof(callingnum),
callingnum,
sizeof(destination),
destination,
0,
NULL,
&tokenlen,
token);
if (error == OSPC_ERR_NO_ERROR) {
result->numresults--;
result->outtimelimit = osp_choose_timelimit(result->intimelimit, result->outtimelimit);
ast_debug(1, "OSP: outtimelimit '%d'\n", result->outtimelimit);
ast_debug(1, "OSP: called '%s'\n", callednum);
ast_debug(1, "OSP: calling '%s'\n", callingnum);
ast_debug(1, "OSP: destination '%s'\n", destination);
ast_debug(1, "OSP: token size '%d'\n", tokenlen);
if ((res = osp_check_destination(p, callednum, callingnum, destination, tokenlen, token, &reason, result)) > 0) {
res = 1;
break;
} else if (!result->numresults) {
ast_debug(1, "OSP: No more destination\n");
OSPPTransactionRecordFailure(result->outhandle, reason);
if (result->inhandle != OSP_INVALID_HANDLE) {
OSPPTransactionRecordFailure(result->inhandle, OSPC_FAIL_NO_ROUTE_TO_DEST);
}
res = 0;
break;
}
} else {
ast_debug(1, "OSP: Unable to get route, error '%d'\n", error);
result->token[0] = '\0';
result->numresults = 0;
result->outtimelimit = OSP_DEF_TIMELIMIT;
if (result->inhandle != OSP_INVALID_HANDLE) {
OSPPTransactionRecordFailure(result->inhandle, OSPC_FAIL_NORMAL_UNSPECIFIED);
}
res = -1;
break;
}
}
return res;
}
/*!
* \brief OSP Finish function
* \param handle OSP in/outbound transaction handle
* \param recorded If failure reason has been recorded
* \param cause Asterisk hangup cause
* \param start Call start time
* \param connect Call connect time
* \param end Call end time
* \param release Who release first, 0 source, 1 destination
* \return 1 Success, 0 Failed, -1 Error
*/
static int osp_finish(
int handle,
int recorded,
int cause,
time_t start,
time_t connect,
time_t end,
unsigned int release)
{
int res;
OSPEFAILREASON reason;
time_t alert = 0;
unsigned isPddInfoPresent = 0;
unsigned pdd = 0;
unsigned int dummy = 0;
int error;
if (handle == OSP_INVALID_HANDLE) {
return 0;
}
if (!recorded) {
reason = asterisk2osp(cause);
OSPPTransactionRecordFailure(handle, reason);
}
error = OSPPTransactionReportUsage(
handle,
difftime(end, connect),
start,
end,
alert,
connect,
isPddInfoPresent,
pdd,
release,
NULL,
-1,
-1,
-1,
-1,
&dummy,
NULL);
if (error == OSPC_ERR_NO_ERROR) {
ast_debug(1, "OSP: Usage reported\n");
res = 1;
} else {
ast_debug(1, "OSP: Unable to report usage, error '%d'\n", error);
res = -1;
}
OSPPTransactionDelete(handle);
return res;
}
/* OSP Application APIs */
/*!
* \brief OSP Application OSPAuth
* \param chan Channel
* \param data Parameter
* \return 0 Success, -1 Failed
*/
static int ospauth_exec(
struct ast_channel *chan,
const char *data)
{
int res;
const char* provider = OSP_DEF_PROVIDER;
struct varshead* headp;
struct ast_var_t* current;
const char* source = "";
const char* token = "";
int handle;
unsigned int timelimit;
char buffer[OSP_INTSTR_SIZE];
const char* status;
char* tmp;
AST_DECLARE_APP_ARGS(args,
AST_APP_ARG(provider);
AST_APP_ARG(options);
);
if (!(tmp = ast_strdupa(data))) {
ast_log(LOG_ERROR, "Out of memory\n");
return -1;
}
AST_STANDARD_APP_ARGS(args, tmp);
if (!ast_strlen_zero(args.provider)) {
provider = args.provider;
}
ast_debug(1, "OSPAuth: provider '%s'\n", provider);
headp = &chan->varshead;
AST_LIST_TRAVERSE(headp, current, entries) {
if (!strcasecmp(ast_var_name(current), "OSPPEERIP")) {
source = ast_var_value(current);
} else if (!strcasecmp(ast_var_name(current), "OSPINTOKEN")) {
token = ast_var_value(current);
}
}
ast_debug(1, "OSPAuth: source '%s'\n", source);
ast_debug(1, "OSPAuth: token size '%zd'\n", strlen(token));
if ((res = osp_auth(provider, &handle, source, chan->cid.cid_num, chan->exten, token, &timelimit)) > 0) {
status = AST_OSP_SUCCESS;
} else {
timelimit = OSP_DEF_TIMELIMIT;
if (!res) {
status = AST_OSP_FAILED;
} else {
status = AST_OSP_ERROR;
}
}
snprintf(buffer, sizeof(buffer), "%d", handle);
pbx_builtin_setvar_helper(chan, "OSPINHANDLE", buffer);
ast_debug(1, "OSPAuth: OSPINHANDLE '%s'\n", buffer);
snprintf(buffer, sizeof(buffer), "%d", timelimit);
pbx_builtin_setvar_helper(chan, "OSPINTIMELIMIT", buffer);
ast_debug(1, "OSPAuth: OSPINTIMELIMIT '%s'\n", buffer);
pbx_builtin_setvar_helper(chan, "OSPAUTHSTATUS", status);
ast_debug(1, "OSPAuth: %s\n", status);
if(res <= 0) {
res = -1;
} else {
res = 0;
}
return res;
}
/*!
* \brief OSP Application OSPLookup
* \param chan Channel
* \param data Parameter
* \return 0 Success, -1 Failed
*/
static int osplookup_exec(
struct ast_channel* chan,
const char * data)
{
int res, cres;
const char* provider = OSP_DEF_PROVIDER;
struct varshead* headp;
struct ast_var_t* current;
const char* srcdev = "";
const char* snetid = "";
const char* rnumber = "";
char buffer[OSP_TOKSTR_SIZE];
unsigned int callidtypes = OSP_CALLID_UNDEFINED;
struct osp_result result;
const char* status;
char* tmp;
AST_DECLARE_APP_ARGS(args,
AST_APP_ARG(exten);
AST_APP_ARG(provider);
AST_APP_ARG(options);
);
if (ast_strlen_zero(data)) {
ast_log(LOG_WARNING, "OSPLookup: Arg required, OSPLookup(exten[|provider[|options]])\n");
return -1;
}
if (!(tmp = ast_strdupa(data))) {
ast_log(LOG_ERROR, "Out of memory\n");
return -1;
}
AST_STANDARD_APP_ARGS(args, tmp);
ast_debug(1, "OSPLookup: exten '%s'\n", args.exten);
if (!ast_strlen_zero(args.provider)) {
provider = args.provider;
}
ast_debug(1, "OSPlookup: provider '%s'\n", provider);
if (args.options) {
if (strchr(args.options, 'h')) {
callidtypes |= OSP_CALLID_H323;
}
if (strchr(args.options, 's')) {
callidtypes |= OSP_CALLID_SIP;
}
if (strchr(args.options, 'i')) {
callidtypes |= OSP_CALLID_IAX;
}
}
ast_debug(1, "OSPLookup: call id types '%d'\n", callidtypes);
result.inhandle = OSP_INVALID_HANDLE;
result.intimelimit = OSP_DEF_TIMELIMIT;
headp = &chan->varshead;
AST_LIST_TRAVERSE(headp, current, entries) {
if (!strcasecmp(ast_var_name(current), "OSPINHANDLE")) {
if (sscanf(ast_var_value(current), "%30d", &result.inhandle) != 1) {
result.inhandle = OSP_INVALID_HANDLE;
}
} else if (!strcasecmp(ast_var_name(current), "OSPINTIMELIMIT")) {
if (sscanf(ast_var_value(current), "%30d", &result.intimelimit) != 1) {
result.intimelimit = OSP_DEF_TIMELIMIT;
}
} else if (!strcasecmp(ast_var_name(current), "OSPINNETWORKID")) {
snetid = ast_var_value(current);
} else if (!strcasecmp(ast_var_name(current), "OSPROUTINGNUMBER")) {
rnumber = ast_var_value(current);
} else if (!strcasecmp(ast_var_name(current), "OSPPEERIP")) {
srcdev = ast_var_value(current);
}
}
ast_debug(1, "OSPLookup: OSPINHANDLE '%d'\n", result.inhandle);
ast_debug(1, "OSPLookup: OSPINTIMELIMIT '%d'\n", result.intimelimit);
ast_debug(1, "OSPLookup: OSPINNETWORKID '%s'\n", snetid);
ast_debug(1, "OSPLookup: OSPROUTINGNUMBER '%s'\n", rnumber);
ast_debug(1, "OSPLookup: source device '%s'\n", srcdev);
if ((cres = ast_autoservice_start(chan)) < 0) {
return -1;
}
if ((res = osp_lookup(provider, srcdev, chan->cid.cid_num, args.exten, snetid, rnumber, callidtypes, &result)) > 0) {
status = AST_OSP_SUCCESS;
} else {
result.tech[0] = '\0';
result.dest[0] = '\0';
result.called[0] = '\0';
result.calling[0] = '\0';
result.token[0] = '\0';
result.networkid[0] = '\0';
result.numresults = 0;
result.outtimelimit = OSP_DEF_TIMELIMIT;
result.outcallid.buf[0] = '\0';
result.outcallid.len = 0;
if (!res) {
status = AST_OSP_FAILED;
} else {
status = AST_OSP_ERROR;
}
}
snprintf(buffer, sizeof(buffer), "%d", result.outhandle);
pbx_builtin_setvar_helper(chan, "OSPOUTHANDLE", buffer);
ast_debug(1, "OSPLookup: OSPOUTHANDLE '%s'\n", buffer);
pbx_builtin_setvar_helper(chan, "OSPTECH", result.tech);
ast_debug(1, "OSPLookup: OSPTECH '%s'\n", result.tech);
pbx_builtin_setvar_helper(chan, "OSPDEST", result.dest);
ast_debug(1, "OSPLookup: OSPDEST '%s'\n", result.dest);
pbx_builtin_setvar_helper(chan, "OSPCALLED", result.called);
ast_debug(1, "OSPLookup: OSPCALLED '%s'\n", result.called);
pbx_builtin_setvar_helper(chan, "OSPCALLING", result.calling);
ast_debug(1, "OSPLookup: OSPCALLING '%s'\n", result.calling);
pbx_builtin_setvar_helper(chan, "OSPOUTNETWORKID", result.networkid);
ast_debug(1, "OSPLookup: OSPOUTNETWORKID '%s'\n", result.networkid);
pbx_builtin_setvar_helper(chan, "OSPOUTTOKEN", result.token);
ast_debug(1, "OSPLookup: OSPOUTTOKEN size '%zd'\n", strlen(result.token));
snprintf(buffer, sizeof(buffer), "%d", result.numresults);
pbx_builtin_setvar_helper(chan, "OSPRESULTS", buffer);
ast_debug(1, "OSPLookup: OSPRESULTS '%s'\n", buffer);
snprintf(buffer, sizeof(buffer), "%d", result.outtimelimit);
pbx_builtin_setvar_helper(chan, "OSPOUTTIMELIMIT", buffer);
ast_debug(1, "OSPLookup: OSPOUTTIMELIMIT '%s'\n", buffer);
snprintf(buffer, sizeof(buffer), "%d", callidtypes);
pbx_builtin_setvar_helper(chan, "OSPOUTCALLIDTYPES", buffer);
ast_debug(1, "OSPLookup: OSPOUTCALLIDTYPES '%s'\n", buffer);
pbx_builtin_setvar_helper(chan, "OSPLOOKUPSTATUS", status);
ast_debug(1, "OSPLookup: %s\n", status);
if (!strcasecmp(result.tech, OSP_TECH_H323)) {
if ((callidtypes & OSP_CALLID_H323) && (result.outcallid.len != 0)) {
osp_uuid2str(result.outcallid.buf, buffer, sizeof(buffer));
} else {
buffer[0] = '\0';
}
pbx_builtin_setvar_helper(chan, "OSPOUTCALLID", buffer);
snprintf(buffer, sizeof(buffer), "%s/%s@%s", result.tech, result.called, result.dest);
pbx_builtin_setvar_helper(chan, "OSPDIALSTR", buffer);
} else if (!strcasecmp(result.tech, OSP_TECH_SIP)) {
snprintf(buffer, sizeof(buffer), "%s/%s@%s", result.tech, result.called, result.dest);
pbx_builtin_setvar_helper(chan, "OSPDIALSTR", buffer);
if (!ast_strlen_zero(result.token)) {
snprintf(buffer, sizeof(buffer), "%s%s", OSP_SIP_HEADER, result.token);
pbx_builtin_setvar_helper(chan, "_SIPADDHEADER", buffer);
ast_debug(1, "OSPLookup: SIPADDHEADER size '%zd'\n", strlen(buffer));
}
} else if (!strcasecmp(result.tech, OSP_TECH_IAX)) {
snprintf(buffer, sizeof(buffer), "%s/%s/%s", result.tech, result.dest, result.called);
pbx_builtin_setvar_helper(chan, "OSPDIALSTR", buffer);
}
if ((cres = ast_autoservice_stop(chan)) < 0) {
return -1;
}
if(res <= 0) {
res = -1;
} else {
res = 0;
}
return res;
}
/*!
* \brief OSP Application OSPNext
* \param chan Channel
* \param data Parameter
* \return 0 Success, -1 Failed
*/
static int ospnext_exec(
struct ast_channel* chan,
const char * data)
{
int res;
const char* provider = OSP_DEF_PROVIDER;
int cause = 0;
struct varshead* headp;
struct ast_var_t* current;
struct osp_result result;
char buffer[OSP_TOKSTR_SIZE];
unsigned int callidtypes = OSP_CALLID_UNDEFINED;
const char* status;
char* tmp;
AST_DECLARE_APP_ARGS(args,
AST_APP_ARG(cause);
AST_APP_ARG(provider);
AST_APP_ARG(options);
);
if (ast_strlen_zero(data)) {
ast_log(LOG_WARNING, "OSPNext: Arg required, OSPNext(cause[|provider[|options]])\n");
return -1;
}
if (!(tmp = ast_strdupa(data))) {
ast_log(LOG_ERROR, "Out of memory\n");
return -1;
}
AST_STANDARD_APP_ARGS(args, tmp);
if (!ast_strlen_zero(args.cause) && sscanf(args.cause, "%30d", &cause) != 1) {
cause = 0;
}
ast_debug(1, "OSPNext: cause '%d'\n", cause);
if (!ast_strlen_zero(args.provider)) {
provider = args.provider;
}
ast_debug(1, "OSPlookup: provider '%s'\n", provider);
result.inhandle = OSP_INVALID_HANDLE;
result.outhandle = OSP_INVALID_HANDLE;
result.intimelimit = OSP_DEF_TIMELIMIT;
result.numresults = 0;
headp = &chan->varshead;
AST_LIST_TRAVERSE(headp, current, entries) {
if (!strcasecmp(ast_var_name(current), "OSPINHANDLE")) {
if (sscanf(ast_var_value(current), "%30d", &result.inhandle) != 1) {
result.inhandle = OSP_INVALID_HANDLE;
}
} else if (!strcasecmp(ast_var_name(current), "OSPOUTHANDLE")) {
if (sscanf(ast_var_value(current), "%30d", &result.outhandle) != 1) {
result.outhandle = OSP_INVALID_HANDLE;
}
} else if (!strcasecmp(ast_var_name(current), "OSPINTIMELIMIT")) {
if (sscanf(ast_var_value(current), "%30d", &result.intimelimit) != 1) {
result.intimelimit = OSP_DEF_TIMELIMIT;
}
} else if (!strcasecmp(ast_var_name(current), "OSPOUTCALLIDTYPES")) {
if (sscanf(ast_var_value(current), "%30d", &callidtypes) != 1) {
callidtypes = OSP_CALLID_UNDEFINED;
}
} else if (!strcasecmp(ast_var_name(current), "OSPRESULTS")) {
if (sscanf(ast_var_value(current), "%30d", &result.numresults) != 1) {
result.numresults = 0;
}
}
}
ast_debug(1, "OSPNext: OSPINHANDLE '%d'\n", result.inhandle);
ast_debug(1, "OSPNext: OSPOUTHANDLE '%d'\n", result.outhandle);
ast_debug(1, "OSPNext: OSPINTIMELIMIT '%d'\n", result.intimelimit);
ast_debug(1, "OSPNext: OSPOUTCALLIDTYPES '%d'\n", callidtypes);
ast_debug(1, "OSPNext: OSPRESULTS '%d'\n", result.numresults);
if ((res = osp_next(provider, cause, &result)) > 0) {
status = AST_OSP_SUCCESS;
} else {
result.tech[0] = '\0';
result.dest[0] = '\0';
result.called[0] = '\0';
result.calling[0] = '\0';
result.token[0] = '\0';
result.networkid[0] = '\0';
result.numresults = 0;
result.outtimelimit = OSP_DEF_TIMELIMIT;
result.outcallid.buf[0] = '\0';
result.outcallid.len = 0;
if (!res) {
status = AST_OSP_FAILED;
} else {
status = AST_OSP_ERROR;
}
}
pbx_builtin_setvar_helper(chan, "OSPTECH", result.tech);
ast_debug(1, "OSPNext: OSPTECH '%s'\n", result.tech);
pbx_builtin_setvar_helper(chan, "OSPDEST", result.dest);
ast_debug(1, "OSPNext: OSPDEST '%s'\n", result.dest);
pbx_builtin_setvar_helper(chan, "OSPCALLED", result.called);
ast_debug(1, "OSPNext: OSPCALLED'%s'\n", result.called);
pbx_builtin_setvar_helper(chan, "OSPCALLING", result.calling);
ast_debug(1, "OSPNext: OSPCALLING '%s'\n", result.calling);
pbx_builtin_setvar_helper(chan, "OSPOUTNETWORKID", result.networkid);
ast_debug(1, "OSPLookup: OSPOUTNETWORKID '%s'\n", result.networkid);
pbx_builtin_setvar_helper(chan, "OSPOUTTOKEN", result.token);
ast_debug(1, "OSPNext: OSPOUTTOKEN size '%zd'\n", strlen(result.token));
snprintf(buffer, sizeof(buffer), "%d", result.numresults);
pbx_builtin_setvar_helper(chan, "OSPRESULTS", buffer);
ast_debug(1, "OSPNext: OSPRESULTS '%s'\n", buffer);
snprintf(buffer, sizeof(buffer), "%d", result.outtimelimit);
pbx_builtin_setvar_helper(chan, "OSPOUTTIMELIMIT", buffer);
ast_debug(1, "OSPNext: OSPOUTTIMELIMIT '%s'\n", buffer);
pbx_builtin_setvar_helper(chan, "OSPNEXTSTATUS", status);
ast_debug(1, "OSPNext: %s\n", status);
if (!strcasecmp(result.tech, OSP_TECH_H323)) {
if ((callidtypes & OSP_CALLID_H323) && (result.outcallid.len != 0)) {
osp_uuid2str(result.outcallid.buf, buffer, sizeof(buffer));
} else {
buffer[0] = '\0';
}
pbx_builtin_setvar_helper(chan, "OSPOUTCALLID", buffer);
snprintf(buffer, sizeof(buffer), "%s/%s@%s", result.tech, result.called, result.dest);
pbx_builtin_setvar_helper(chan, "OSPDIALSTR", buffer);
} else if (!strcasecmp(result.tech, OSP_TECH_SIP)) {
snprintf(buffer, sizeof(buffer), "%s/%s@%s", result.tech, result.called, result.dest);
pbx_builtin_setvar_helper(chan, "OSPDIALSTR", buffer);
if (!ast_strlen_zero(result.token)) {
snprintf(buffer, sizeof(buffer), "%s%s", OSP_SIP_HEADER, result.token);
pbx_builtin_setvar_helper(chan, "_SIPADDHEADER", buffer);
ast_debug(1, "OSPLookup: SIPADDHEADER size '%zd'\n", strlen(buffer));
}
} else if (!strcasecmp(result.tech, OSP_TECH_IAX)) {
snprintf(buffer, sizeof(buffer), "%s/%s/%s", result.tech, result.dest, result.called);
pbx_builtin_setvar_helper(chan, "OSPDIALSTR", buffer);
}
if(res <= 0) {
res = -1;
} else {
res = 0;
}
return res;
}
/*!
* \brief OSP Application OSPFinish
* \param chan Channel
* \param data Parameter
* \return 0 Success, -1 Failed
*/
static int ospfinished_exec(
struct ast_channel* chan,
const char * data)
{
int res = 1;
int cause = 0;
struct varshead* headp;
struct ast_var_t* current;
int inhandle = OSP_INVALID_HANDLE;
int outhandle = OSP_INVALID_HANDLE;
int recorded = 0;
time_t start, connect, end;
unsigned int release;
char buffer[OSP_INTSTR_SIZE];
const char* status;
char* tmp;
AST_DECLARE_APP_ARGS(args,
AST_APP_ARG(cause);
AST_APP_ARG(options);
);
if (!(tmp = ast_strdupa(data))) {
ast_log(LOG_ERROR, "Out of memory\n");
return -1;
}
AST_STANDARD_APP_ARGS(args, tmp);
headp = &chan->varshead;
AST_LIST_TRAVERSE(headp, current, entries) {
if (!strcasecmp(ast_var_name(current), "OSPINHANDLE")) {
if (sscanf(ast_var_value(current), "%30d", &inhandle) != 1) {
inhandle = OSP_INVALID_HANDLE;
}
} else if (!strcasecmp(ast_var_name(current), "OSPOUTHANDLE")) {
if (sscanf(ast_var_value(current), "%30d", &outhandle) != 1) {
outhandle = OSP_INVALID_HANDLE;
}
} else if (!recorded &&
(!strcasecmp(ast_var_name(current), "OSPAUTHSTATUS") ||
!strcasecmp(ast_var_name(current), "OSPLOOKUPSTATUS") ||
!strcasecmp(ast_var_name(current), "OSPNEXTSTATUS")))
{
if (strcasecmp(ast_var_value(current), AST_OSP_SUCCESS)) {
recorded = 1;
}
}
}
ast_debug(1, "OSPFinish: OSPINHANDLE '%d'\n", inhandle);
ast_debug(1, "OSPFinish: OSPOUTHANDLE '%d'\n", outhandle);
ast_debug(1, "OSPFinish: recorded '%d'\n", recorded);
if (!ast_strlen_zero(args.cause) && sscanf(args.cause, "%30d", &cause) != 1) {
cause = 0;
}
ast_debug(1, "OSPFinish: cause '%d'\n", cause);
if (chan->cdr) {
start = chan->cdr->start.tv_sec;
connect = chan->cdr->answer.tv_sec;
if (connect) {
end = time(NULL);
} else {
end = connect;
}
} else {
start = 0;
connect = 0;
end = 0;
}
ast_debug(1, "OSPFinish: start '%ld'\n", start);
ast_debug(1, "OSPFinish: connect '%ld'\n", connect);
ast_debug(1, "OSPFinish: end '%ld'\n", end);
release = ast_check_hangup(chan) ? 0 : 1;
if (osp_finish(outhandle, recorded, cause, start, connect, end, release) <= 0) {
ast_debug(1, "OSPFinish: Unable to report usage for outbound call\n");
}
switch (cause) {
case AST_CAUSE_NORMAL_CLEARING:
break;
default:
cause = AST_CAUSE_NO_ROUTE_DESTINATION;
break;
}
if (osp_finish(inhandle, recorded, cause, start, connect, end, release) <= 0) {
ast_debug(1, "OSPFinish: Unable to report usage for inbound call\n");
}
snprintf(buffer, sizeof(buffer), "%d", OSP_INVALID_HANDLE);
pbx_builtin_setvar_helper(chan, "OSPOUTHANDLE", buffer);
pbx_builtin_setvar_helper(chan, "OSPINHANDLE", buffer);
if (res > 0) {
status = AST_OSP_SUCCESS;
} else if (!res) {
status = AST_OSP_FAILED;
} else {
status = AST_OSP_ERROR;
}
pbx_builtin_setvar_helper(chan, "OSPFINISHSTATUS", status);
if(!res) {
res = -1;
} else {
res = 0;
}
return res;
}
/* OSP Module APIs */
static int osp_unload(void);
static int osp_load(int reload)
{
const char* t;
unsigned int v;
struct ast_config* cfg;
struct ast_flags config_flags = { reload ? CONFIG_FLAG_FILEUNCHANGED : 0 };
int error = OSPC_ERR_NO_ERROR;
if ((cfg = ast_config_load(OSP_CONFIG_FILE, config_flags)) == CONFIG_STATUS_FILEUNCHANGED) {
return 0;
} else if (cfg == CONFIG_STATUS_FILEINVALID) {
ast_log(LOG_ERROR, "Config file %s is in an invalid format. Aborting.\n", OSP_CONFIG_FILE);
return 0;
}
if (cfg) {
if (reload)
osp_unload();
t = ast_variable_retrieve(cfg, OSP_GENERAL_CAT, "accelerate");
if (t && ast_true(t)) {
if ((error = OSPPInit(1)) != OSPC_ERR_NO_ERROR) {
ast_log(LOG_WARNING, "OSP: Unable to enable hardware accelleration\n");
OSPPInit(0);
} else {
osp_hardware = 1;
}
} else {
OSPPInit(0);
}
ast_debug(1, "OSP: osp_hardware '%d'\n", osp_hardware);
t = ast_variable_retrieve(cfg, OSP_GENERAL_CAT, "securityfeatures");
if (t && ast_true(t)) {
osp_security = 1;
}
ast_debug(1, "OSP: osp_security '%d'\n", osp_security);
t = ast_variable_retrieve(cfg, OSP_GENERAL_CAT, "tokenformat");
if (t) {
if ((sscanf(t, "%30d", &v) == 1) &&
((v == TOKEN_ALGO_SIGNED) || (v == TOKEN_ALGO_UNSIGNED) || (v == TOKEN_ALGO_BOTH)))
{
osp_tokenformat = v;
} else {
ast_log(LOG_WARNING, "tokenformat should be an integer from %d, %d or %d, not '%s'\n",
TOKEN_ALGO_SIGNED, TOKEN_ALGO_UNSIGNED, TOKEN_ALGO_BOTH, t);
}
}
ast_debug(1, "OSP: osp_tokenformat '%d'\n", osp_tokenformat);
t = ast_category_browse(cfg, NULL);
while(t) {
if (strcasecmp(t, OSP_GENERAL_CAT)) {
osp_create_provider(cfg, t);
}
t = ast_category_browse(cfg, t);
}
osp_initialized = 1;
ast_config_destroy(cfg);
} else {
ast_log(LOG_WARNING, "OSP: Unable to find configuration. OSP support disabled\n");
return 0;
}
ast_debug(1, "OSP: osp_initialized '%d'\n", osp_initialized);
return 1;
}
static int osp_unload(void)
{
struct osp_provider* p;
struct osp_provider* next;
if (osp_initialized) {
ast_mutex_lock(&osplock);
p = ospproviders;
while(p) {
next = p->next;
OSPPProviderDelete(p->handle, 0);
ast_free(p);
p = next;
}
ospproviders = NULL;
ast_mutex_unlock(&osplock);
OSPPCleanup();
osp_tokenformat = TOKEN_ALGO_SIGNED;
osp_security = 0;
osp_hardware = 0;
osp_initialized = 0;
}
return 0;
}
static char *handle_cli_osp_show(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
{
int i;
int found = 0;
struct osp_provider* p;
const char* provider = NULL;
const char* tokenalgo;
switch (cmd) {
case CLI_INIT:
e->command = "osp show";
e->usage =
"Usage: osp show\n"
" Displays information on Open Settlement Protocol support\n";
return NULL;
case CLI_GENERATE:
return NULL;
}
if ((a->argc < 2) || (a->argc > 3))
return CLI_SHOWUSAGE;
if (a->argc > 2)
provider = a->argv[2];
if (!provider) {
switch (osp_tokenformat) {
case TOKEN_ALGO_BOTH:
tokenalgo = "Both";
break;
case TOKEN_ALGO_UNSIGNED:
tokenalgo = "Unsigned";
break;
case TOKEN_ALGO_SIGNED:
default:
tokenalgo = "Signed";
break;
}
ast_cli(a->fd, "OSP: %s/%s/%s/%s\n",
osp_initialized ? "Initialized" : "Uninitialized",
osp_hardware ? "Accelerated" : "Normal",
osp_security ? "Enabled" : "Disabled",
tokenalgo);
}
ast_mutex_lock(&osplock);
p = ospproviders;
while(p) {
if (!provider || !strcasecmp(p->name, provider)) {
if (found) {
ast_cli(a->fd, "\n");
}
ast_cli(a->fd, " == OSP Provider '%s' == \n", p->name);
if (osp_security) {
ast_cli(a->fd, "Local Private Key: %s\n", p->privatekey);
ast_cli(a->fd, "Local Certificate: %s\n", p->localcert);
for (i = 0; i < p->cacount; i++) {
ast_cli(a->fd, "CA Certificate %d: %s\n", i + 1, p->cacerts[i]);
}
}
for (i = 0; i < p->spcount; i++) {
ast_cli(a->fd, "Service Point %d: %s\n", i + 1, p->srvpoints[i]);
}
ast_cli(a->fd, "Max Connections: %d\n", p->maxconnections);
ast_cli(a->fd, "Retry Delay: %d seconds\n", p->retrydelay);
ast_cli(a->fd, "Retry Limit: %d\n", p->retrylimit);
ast_cli(a->fd, "Timeout: %d milliseconds\n", p->timeout);
ast_cli(a->fd, "Source: %s\n", strlen(p->source) ? p->source : "<unspecified>");
ast_cli(a->fd, "Auth Policy %d\n", p->authpolicy);
ast_cli(a->fd, "Default protocol %s\n", p->defaultprotocol);
ast_cli(a->fd, "OSP Handle: %d\n", p->handle);
found++;
}
p = p->next;
}
ast_mutex_unlock(&osplock);
if (!found) {
if (provider) {
ast_cli(a->fd, "Unable to find OSP provider '%s'\n", provider);
} else {
ast_cli(a->fd, "No OSP providers configured\n");
}
}
return CLI_SUCCESS;
}
/* OSPAuth() dialplan application */
static const char app1[] = "OSPAuth";
/* OSPLookup() dialplan application */
static const char app2[] = "OSPLookup";
/* OSPNext() dialplan application */
static const char app3[] = "OSPNext";
/* OSPFinish() dialplan application */
static const char app4[] = "OSPFinish";
static struct ast_cli_entry cli_osp[] = {
AST_CLI_DEFINE(handle_cli_osp_show, "Displays OSF information")
};
static int load_module(void)
{
int res;
if (!osp_load(0))
return AST_MODULE_LOAD_DECLINE;
ast_cli_register_multiple(cli_osp, sizeof(cli_osp) / sizeof(struct ast_cli_entry));
res = ast_register_application_xml(app1, ospauth_exec);
res |= ast_register_application_xml(app2, osplookup_exec);
res |= ast_register_application_xml(app3, ospnext_exec);
res |= ast_register_application_xml(app4, ospfinished_exec);
return res;
}
static int unload_module(void)
{
int res;
res = ast_unregister_application(app4);
res |= ast_unregister_application(app3);
res |= ast_unregister_application(app2);
res |= ast_unregister_application(app1);
ast_cli_unregister_multiple(cli_osp, sizeof(cli_osp) / sizeof(struct ast_cli_entry));
osp_unload();
return res;
}
static int reload(void)
{
osp_load(1);
return 0;
}
AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT, "Open Settlement Protocol Applications",
.load = load_module,
.unload = unload_module,
.reload = reload,
);
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