kenmirrors/asterisk
1
0
Fork 0
mirror of https://github.com/asterisk/asterisk.git synced 2025-10-31 02:37:10 +00:00
Code Issues Packages Projects Releases Wiki Activity

Issue 8971 - Allow DISA input to be ended with a '#'.

Browse Source 
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@68854 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Tilghman Lesher
2007-06-11 22:21:28 +00:00
parent bd3de6d0f1
commit f314fa039b
2 changed files with 62 additions and 43 deletions
Download Patch File Download Diff File Expand all files Collapse all files

102
apps/app_disa.c
View File

@@ -55,47 +55,55 @@ static char *app = "DISA";
static char *synopsis = "DISA (Direct Inward System Access)";
static char *descrip =
"DISA(<numeric passcode>[|<context>]) or DISA(<filename>)\n"
"The DISA, Direct Inward System Access, application allows someone from \n"
"outside the telephone switch (PBX) to obtain an \"internal\" system \n"
"dialtone and to place calls from it as if they were placing a call from \n"
"within the switch.\n"
"DISA plays a dialtone. The user enters their numeric passcode, followed by\n"
"the pound sign (#). If the passcode is correct, the user is then given\n"
"system dialtone on which a call may be placed. Obviously, this type\n"
"of access has SERIOUS security implications, and GREAT care must be\n"
"taken NOT to compromise your security.\n\n"
"There is a possibility of accessing DISA without password. Simply\n"
"exchange your password with \"no-password\".\n\n"
" Example: exten => s,1,DISA(no-password|local)\n\n"
"Be aware that using this compromises the security of your PBX.\n\n"
"The arguments to this application (in extensions.conf) allow either\n"
"specification of a single global passcode (that everyone uses), or\n"
"individual passcodes contained in a file. It also allows specification\n"
"of the context on which the user will be dialing. If no context is\n"
"specified, the DISA application defaults the context to \"disa\".\n"
"Presumably a normal system will have a special context set up\n"
"for DISA use with some or a lot of restrictions. \n\n"
"The file that contains the passcodes (if used) allows specification\n"
"of either just a passcode (defaulting to the \"disa\" context, or\n"
"passcode|context on each line of the file. The file may contain blank\n"
"lines, or comments starting with \"#\" or \";\". In addition, the\n"
"above arguments may have |new-callerid-string appended to them, to\n"
"specify a new (different) callerid to be used for this call, for\n"
"example: numeric-passcode|context|\"My Phone\" <(234) 123-4567> or \n"
"full-pathname-of-passcode-file|\"My Phone\" <(234) 123-4567>. Last\n"
"but not least, |mailbox[@context] may be appended, which will cause\n"
"a stutter-dialtone (indication \"dialrecall\") to be used, if the\n"
"specified mailbox contains any new messages, for example:\n"
"numeric-passcode|context||1234 (w/a changing callerid). Note that\n"
"in the case of specifying the numeric-passcode, the context must be\n"
"specified if the callerid is specified also.\n\n"
"If login is successful, the application looks up the dialed number in\n"
"the specified (or default) context, and executes it if found.\n"
"If the user enters an invalid extension and extension \"i\" (invalid) \n"
"exists in the context, it will be used. Also, if you set the 5th argument\n"
"to 'NOANSWER', the DISA application will not answer initially.\n";
"DISA(<numeric passcode>[|<context>[|<cid>[|mailbox[|options]]]]) or\n"
"DISA(<filename>[||||options])\n"
"The DISA, Direct Inward System Access, application allows someone from \n"
"outside the telephone switch (PBX) to obtain an \"internal\" system \n"
"dialtone and to place calls from it as if they were placing a call from \n"
"within the switch.\n"
"DISA plays a dialtone. The user enters their numeric passcode, followed by\n"
"the pound sign (#). If the passcode is correct, the user is then given\n"
"system dialtone within <context> on which a call may be placed. If the user\n"
"enters an invalid extension and extension \"i\" exists in the specified\n"
"context, it will be used.\n"
"\n"
"If you need to present a DISA dialtone without entering a password, simply\n"
"set <passcode> to \"no-password\".\n"
"\n"
"Be aware that using this may compromise the security of your PBX.\n"
"\n"
"The arguments to this application (in extensions.conf) allow either\n"
"specification of a single global passcode (that everyone uses), or\n"
"individual passcodes contained in a file.\n"
"\n"
"The file that contains the passcodes (if used) allows a complete\n"
"specification of all of the same arguments available on the command\n"
"line, with the sole exception of the options. The file may contain blank\n"
"lines, or comments starting with \"#\" or \";\".\n"
"\n"
"<context> specifies the dialplan context in which the user-entered extension\n"
"will be matched. If no context is specified, the DISA application defaults\n"
"the context to \"disa\". Presumably a normal system will have a special\n"
"context set up for DISA use with some or a lot of restrictions.\n"
"\n"
"<cid> specifies a new (different) callerid to be used for this call.\n"
"\n"
"<mailbox[@context]> will cause a stutter-dialtone (indication \"dialrecall\")\n"
"to be used, if the specified mailbox contains any new messages.\n"
"\n"
"The following options are available:\n"
" n - the DISA application will not answer initially.\n"
" p - the extension entered will be considered complete when a '#' is entered.\n";
enum {
NOANSWER_FLAG = (1 << 0),
POUND_TO_END_FLAG = (1 << 1),
} option_flags;
AST_APP_OPTIONS(app_opts, {
AST_APP_OPTION('n', NOANSWER_FLAG),
AST_APP_OPTION('p', POUND_TO_END_FLAG),
});
static void play_dialtone(struct ast_channel *chan, char *mailbox)
{
@@ -116,6 +124,7 @@ static int disa_exec(struct ast_channel *chan, void *data)
int firstdigittimeout = 20000;
int digittimeout = 10000;
struct ast_module_user *u;
struct ast_flags flags;
char *tmp, exten[AST_MAX_EXTENSION],acctcode[20]="";
char pwline[256];
char ourcidname[256],ourcidnum[256];
@@ -129,7 +138,7 @@ static int disa_exec(struct ast_channel *chan, void *data)
AST_APP_ARG(context);
AST_APP_ARG(cid);
AST_APP_ARG(mailbox);
AST_APP_ARG(noanswer);
AST_APP_ARG(options);
);
if (ast_strlen_zero(data)) {
@@ -168,13 +177,14 @@ static int disa_exec(struct ast_channel *chan, void *data)
args.context = "disa";
if (ast_strlen_zero(args.mailbox))
args.mailbox = "";
if (!ast_strlen_zero(args.options))
ast_app_parse_options(app_opts, &flags, NULL, args.options);
if (option_debug)
ast_log(LOG_DEBUG, "Mailbox: %s\n",args.mailbox);
special_noanswer = 0;
if ((!args.noanswer) || strcmp(args.noanswer,"NOANSWER"))
{
if (ast_test_flag(&flags, NOANSWER_FLAG)) {
if (chan->_state != AST_STATE_UP) {
/* answer */
ast_answer(chan);
@@ -315,6 +325,12 @@ static int disa_exec(struct ast_channel *chan, void *data)
continue; /* if getting password, continue doing it */
/* if this exists */
/* user wants end of number, remove # */
if (ast_test_flag(&flags, POUND_TO_END_FLAG) && j == '#') {
exten[--i] = 0;
break;
}
if (ast_ignore_pattern(args.context, exten)) {
play_dialtone(chan, "");
did_ignore = 1;