Esempio n. 1
0
static struct ast_exten *find_matching_priority(struct ast_context *c, const char *exten, int priority, const char *callerid)
{
	struct ast_exten *e;
	struct ast_include *i;
	struct ast_context *c2;

	for (e=ast_walk_context_extensions(c, NULL); e; e=ast_walk_context_extensions(c, e)) {
		if (ast_extension_match(ast_get_extension_name(e), exten)) {
			int needmatch = ast_get_extension_matchcid(e);
			if ((needmatch && ast_extension_match(ast_get_extension_cidmatch(e), callerid)) ||
				(!needmatch)) {
				/* This is the matching extension we want */
				struct ast_exten *p;
				for (p=ast_walk_extension_priorities(e, NULL); p; p=ast_walk_extension_priorities(e, p)) {
					if (priority != ast_get_extension_priority(p))
						continue;
					return p;
				}
			}
		}
	}

	/* No match; run through includes */
	for (i=ast_walk_context_includes(c, NULL); i; i=ast_walk_context_includes(c, i)) {
		for (c2=ast_walk_contexts(NULL); c2; c2=ast_walk_contexts(c2)) {
			if (!strcmp(ast_get_context_name(c2), ast_get_include_name(i))) {
				e = find_matching_priority(c2, exten, priority, callerid);
				if (e)
					return e;
			}
		}
	}
	return NULL;
}
Esempio n. 2
0
static char *complete_context_add_ignorepat(char *line, char *word,
	int pos, int state)
{
	if (pos == 3) return state == 0 ? strdup("into") : NULL;

	if (pos == 4) {
		struct ast_context *c;
		int which = 0;
		char *dupline, *duplinet, *ignorepat = NULL;

		dupline = strdup(line);
		duplinet = dupline;

		if (duplinet) {
			strsep(&duplinet, " "); /* skip 'add' */
			strsep(&duplinet, " "); /* skip 'ignorepat' */
			ignorepat = strsep(&duplinet, " ");
		}

		if (ast_lock_contexts()) {
			ast_log(LOG_ERROR, "Failed to lock contexts list\n");
			return NULL;
		}

		c = ast_walk_contexts(NULL);
		while (c) {
			if (!strncmp(ast_get_context_name(c), word, strlen(word))) {
				int serve_context = 1;
				if (ignorepat) {
					if (!ast_lock_context(c)) {
						struct ast_ignorepat *ip;
						ip = ast_walk_context_ignorepats(c, NULL);
						while (ip && serve_context) {
							if (!strcmp(ast_get_ignorepat_name(ip), ignorepat))
								serve_context = 0;
							ip = ast_walk_context_ignorepats(c, ip);
						}
						ast_unlock_context(c);
					}
				}
				if (serve_context) {
					if (++which > state) {
						char *context = strdup(ast_get_context_name(c));
						if (dupline) free(dupline);
						ast_unlock_contexts();
						return context;
					}
				}
			}
			c = ast_walk_contexts(c);
		}

		if (dupline) free(dupline);
		ast_unlock_contexts();
		return NULL;
	}

	return NULL;
}
Esempio n. 3
0
static int pbx_load_module(void)
{
	int errs=0, sem_err=0, sem_warn=0, sem_note=0;
	char *rfilename;
	struct ast_context *local_contexts=NULL, *con;
	struct ast_hashtab *local_table=NULL;
	
	struct pval *parse_tree;

	ast_log(LOG_NOTICE, "Starting AEL load process.\n");
	if (config[0] == '/')
		rfilename = (char *)config;
	else {
		rfilename = alloca(strlen(config) + strlen(ast_config_AST_CONFIG_DIR) + 2);
		sprintf(rfilename, "%s/%s", ast_config_AST_CONFIG_DIR, config);
	}
	if (access(rfilename,R_OK) != 0) {
		ast_log(LOG_NOTICE, "File %s not found; AEL declining load\n", rfilename);
		return AST_MODULE_LOAD_DECLINE;
	}
	
	parse_tree = ael2_parse(rfilename, &errs);
	ast_log(LOG_NOTICE, "AEL load process: parsed config file name '%s'.\n", rfilename);
	ael2_semantic_check(parse_tree, &sem_err, &sem_warn, &sem_note);
	if (errs == 0 && sem_err == 0) {
		ast_log(LOG_NOTICE, "AEL load process: checked config file name '%s'.\n", rfilename);
		local_table = ast_hashtab_create(11, ast_hashtab_compare_contexts, ast_hashtab_resize_java, ast_hashtab_newsize_java, ast_hashtab_hash_contexts, 0);
		ast_compile_ael2(&local_contexts, local_table, parse_tree);
		ast_log(LOG_NOTICE, "AEL load process: compiled config file name '%s'.\n", rfilename);
		
		ast_merge_contexts_and_delete(&local_contexts, local_table, registrar);
		local_table = NULL; /* it's the dialplan global now */
		local_contexts = NULL;
		ast_log(LOG_NOTICE, "AEL load process: merged config file name '%s'.\n", rfilename);
		for (con = ast_walk_contexts(NULL); con; con = ast_walk_contexts(con))
			ast_context_verify_includes(con);
		ast_log(LOG_NOTICE, "AEL load process: verified config file name '%s'.\n", rfilename);
	} else {
		ast_log(LOG_ERROR, "Sorry, but %d syntax errors and %d semantic errors were detected. It doesn't make sense to compile.\n", errs, sem_err);
		destroy_pval(parse_tree); /* free up the memory */
		return AST_MODULE_LOAD_DECLINE;
	}
	destroy_pval(parse_tree); /* free up the memory */
	
	return AST_MODULE_LOAD_SUCCESS;
}
Esempio n. 4
0
static int find_matching_endwhile(struct ast_channel *chan)
{
	struct ast_context *c;
	int res=-1;

	if (ast_rdlock_contexts()) {
		ast_log(LOG_ERROR, "Failed to lock contexts list\n");
		return -1;
	}

	for (c=ast_walk_contexts(NULL); c; c=ast_walk_contexts(c)) {
		struct ast_exten *e;

		if (!ast_rdlock_context(c)) {
			if (!strcmp(ast_get_context_name(c), chan->context)) {
				/* This is the matching context we want */
				int cur_priority = chan->priority + 1, level=1;

				for (e = find_matching_priority(c, chan->exten, cur_priority,
					S_COR(chan->caller.id.number.valid, chan->caller.id.number.str, NULL));
					e;
					e = find_matching_priority(c, chan->exten, ++cur_priority,
						S_COR(chan->caller.id.number.valid, chan->caller.id.number.str, NULL))) {
					if (!strcasecmp(ast_get_extension_app(e), "WHILE")) {
						level++;
					} else if (!strcasecmp(ast_get_extension_app(e), "ENDWHILE")) {
						level--;
					}

					if (level == 0) {
						res = cur_priority;
						break;
					}
				}
			}
			ast_unlock_context(c);
			if (res > 0) {
				break;
			}
		}
	}
	ast_unlock_contexts();
	return res;
}
Esempio n. 5
0
/* add extension 6123,1,Dial,IAX/212.71.138.13/6123 into local */
static char *complete_context_add_extension(char *line, char *word,
	int pos, int state)
{
	int which = 0;

	/* complete 'into' word ... */
	if (pos == 3) {
		if (state == 0) return strdup("into");
		return NULL;
	}

	/* complete context */
	if (pos == 4) {
		struct ast_context *c;

		/* try to lock contexts list ... */
		if (ast_lock_contexts()) {
			ast_log(LOG_WARNING, "Failed to lock contexts list\n");
			return NULL;
		}

		/* walk through all contexts */
		c = ast_walk_contexts(NULL);
		while (c) {
			/* matching context? */
			if (!strncmp(ast_get_context_name(c), word, strlen(word))) {
				if (++which > state) {
					char *res = strdup(ast_get_context_name(c));
					ast_unlock_contexts();
					return res;
				}
			}
			c = ast_walk_contexts(c);
		}

		ast_unlock_contexts();
		return NULL;
	}

	if (pos == 5) return state == 0 ? strdup("replace") : NULL;

	return NULL;
}
Esempio n. 6
0
static int _macro_exec(struct ast_channel *chan, const char *data, int exclusive)
{
	const char *s;
	char *tmp;
	char *cur, *rest;
	char *macro;
	char fullmacro[80];
	char varname[80];
	char runningapp[80], runningdata[1024];
	char *oldargs[MAX_ARGS + 1] = { NULL, };
	int argc, x;
	int res=0;
	char oldexten[256]="";
	int oldpriority, gosub_level = 0;
	char pc[80], depthc[12];
	char oldcontext[AST_MAX_CONTEXT] = "";
	const char *inhangupc;
	int offset, depth = 0, maxdepth = 7;
	int setmacrocontext=0;
	int autoloopflag, inhangup = 0;
	struct ast_str *tmp_subst = NULL;
  
	char *save_macro_exten;
	char *save_macro_context;
	char *save_macro_priority;
	char *save_macro_offset;
	struct ast_datastore *macro_store = ast_channel_datastore_find(chan, &macro_ds_info, NULL);

	if (ast_strlen_zero(data)) {
		ast_log(LOG_WARNING, "Macro() requires arguments. See \"core show application macro\" for help.\n");
		return -1;
	}

	do {
		if (macro_store) {
			break;
		}
		if (!(macro_store = ast_datastore_alloc(&macro_ds_info, NULL))) {
			ast_log(LOG_WARNING, "Unable to allocate new datastore.\n");
			break;
		}
		/* Just the existence of this datastore is enough. */
		macro_store->inheritance = DATASTORE_INHERIT_FOREVER;
		ast_channel_datastore_add(chan, macro_store);
	} while (0);

	/* does the user want a deeper rabbit hole? */
	ast_channel_lock(chan);
	if ((s = pbx_builtin_getvar_helper(chan, "MACRO_RECURSION"))) {
		sscanf(s, "%30d", &maxdepth);
	}
	
	/* Count how many levels deep the rabbit hole goes */
	if ((s = pbx_builtin_getvar_helper(chan, "MACRO_DEPTH"))) {
		sscanf(s, "%30d", &depth);
	}
	
	/* Used for detecting whether to return when a Macro is called from another Macro after hangup */
	if (strcmp(ast_channel_exten(chan), "h") == 0)
		pbx_builtin_setvar_helper(chan, "MACRO_IN_HANGUP", "1");
	
	if ((inhangupc = pbx_builtin_getvar_helper(chan, "MACRO_IN_HANGUP"))) {
		sscanf(inhangupc, "%30d", &inhangup);
	}
	ast_channel_unlock(chan);

	if (depth >= maxdepth) {
		ast_log(LOG_ERROR, "Macro():  possible infinite loop detected.  Returning early.\n");
		return 0;
	}
	snprintf(depthc, sizeof(depthc), "%d", depth + 1);

	tmp = ast_strdupa(data);
	rest = tmp;
	macro = strsep(&rest, ",");
	if (ast_strlen_zero(macro)) {
		ast_log(LOG_WARNING, "Invalid macro name specified\n");
		return 0;
	}

	snprintf(fullmacro, sizeof(fullmacro), "macro-%s", macro);
	if (!ast_exists_extension(chan, fullmacro, "s", 1,
		S_COR(ast_channel_caller(chan)->id.number.valid, ast_channel_caller(chan)->id.number.str, NULL))) {
		if (!ast_context_find(fullmacro)) 
			ast_log(LOG_WARNING, "No such context '%s' for macro '%s'. Was called by %s@%s\n", fullmacro, macro, ast_channel_exten(chan), ast_channel_context(chan));
		else
			ast_log(LOG_WARNING, "Context '%s' for macro '%s' lacks 's' extension, priority 1\n", fullmacro, macro);
		return 0;
	}

	/* If we are to run the macro exclusively, take the mutex */
	if (exclusive) {
		ast_debug(1, "Locking macrolock for '%s'\n", fullmacro);
		ast_autoservice_start(chan);
		if (ast_context_lockmacro(fullmacro)) {
			ast_log(LOG_WARNING, "Failed to lock macro '%s' as in-use\n", fullmacro);
			ast_autoservice_stop(chan);
			return 0;
		}
		ast_autoservice_stop(chan);
	}

	if (!(tmp_subst = ast_str_create(16))) {
		return -1;
	}

	/* Save old info */
	oldpriority = ast_channel_priority(chan);
	ast_copy_string(oldexten, ast_channel_exten(chan), sizeof(oldexten));
	ast_copy_string(oldcontext, ast_channel_context(chan), sizeof(oldcontext));
	if (ast_strlen_zero(ast_channel_macrocontext(chan))) {
		ast_channel_macrocontext_set(chan, ast_channel_context(chan));
		ast_channel_macroexten_set(chan, ast_channel_exten(chan));
		ast_channel_macropriority_set(chan, ast_channel_priority(chan));
		setmacrocontext=1;
	}
	argc = 1;
	/* Save old macro variables */
	save_macro_exten = ast_strdup(pbx_builtin_getvar_helper(chan, "MACRO_EXTEN"));
	pbx_builtin_setvar_helper(chan, "MACRO_EXTEN", oldexten);

	save_macro_context = ast_strdup(pbx_builtin_getvar_helper(chan, "MACRO_CONTEXT"));
	pbx_builtin_setvar_helper(chan, "MACRO_CONTEXT", oldcontext);

	save_macro_priority = ast_strdup(pbx_builtin_getvar_helper(chan, "MACRO_PRIORITY"));
	snprintf(pc, sizeof(pc), "%d", oldpriority);
	pbx_builtin_setvar_helper(chan, "MACRO_PRIORITY", pc);
  
	save_macro_offset = ast_strdup(pbx_builtin_getvar_helper(chan, "MACRO_OFFSET"));
	pbx_builtin_setvar_helper(chan, "MACRO_OFFSET", NULL);

	pbx_builtin_setvar_helper(chan, "MACRO_DEPTH", depthc);

	/* Setup environment for new run */
	ast_channel_exten_set(chan, "s");
	ast_channel_context_set(chan, fullmacro);
	ast_channel_priority_set(chan, 1);

	ast_channel_lock(chan);
	while((cur = strsep(&rest, ",")) && (argc < MAX_ARGS)) {
		const char *argp;
  		/* Save copy of old arguments if we're overwriting some, otherwise
	   	let them pass through to the other macro */
  		snprintf(varname, sizeof(varname), "ARG%d", argc);
		if ((argp = pbx_builtin_getvar_helper(chan, varname))) {
			oldargs[argc] = ast_strdup(argp);
		}
		pbx_builtin_setvar_helper(chan, varname, cur);
		argc++;
	}
	ast_channel_unlock(chan);
	autoloopflag = ast_test_flag(ast_channel_flags(chan), AST_FLAG_IN_AUTOLOOP);
	ast_set_flag(ast_channel_flags(chan), AST_FLAG_IN_AUTOLOOP);
	while (ast_exists_extension(chan, ast_channel_context(chan), ast_channel_exten(chan), ast_channel_priority(chan),
		S_COR(ast_channel_caller(chan)->id.number.valid, ast_channel_caller(chan)->id.number.str, NULL))) {
		struct ast_context *c;
		struct ast_exten *e;
		int foundx;
		runningapp[0] = '\0';
		runningdata[0] = '\0';

		/* What application will execute? */
		if (ast_rdlock_contexts()) {
			ast_log(LOG_WARNING, "Failed to lock contexts list\n");
		} else {
			for (c = ast_walk_contexts(NULL), e = NULL; c; c = ast_walk_contexts(c)) {
				if (!strcmp(ast_get_context_name(c), ast_channel_context(chan))) {
					if (ast_rdlock_context(c)) {
						ast_log(LOG_WARNING, "Unable to lock context?\n");
					} else {
						e = find_matching_priority(c, ast_channel_exten(chan), ast_channel_priority(chan),
							S_COR(ast_channel_caller(chan)->id.number.valid, ast_channel_caller(chan)->id.number.str, NULL));
						if (e) { /* This will only be undefined for pbx_realtime, which is majorly broken. */
							ast_copy_string(runningapp, ast_get_extension_app(e), sizeof(runningapp));
							ast_copy_string(runningdata, ast_get_extension_app_data(e), sizeof(runningdata));
						}
						ast_unlock_context(c);
					}
					break;
				}
			}
		}
		ast_unlock_contexts();

		/* Reset the macro depth, if it was changed in the last iteration */
		pbx_builtin_setvar_helper(chan, "MACRO_DEPTH", depthc);

		res = ast_spawn_extension(chan, ast_channel_context(chan), ast_channel_exten(chan), ast_channel_priority(chan),
			S_COR(ast_channel_caller(chan)->id.number.valid, ast_channel_caller(chan)->id.number.str, NULL),
			&foundx, 1);
		if (res) {
			/* Something bad happened, or a hangup has been requested. */
			if (((res >= '0') && (res <= '9')) || ((res >= 'A') && (res <= 'F')) ||
		    	(res == '*') || (res == '#')) {
				/* Just return result as to the previous application as if it had been dialed */
				ast_debug(1, "Oooh, got something to jump out with ('%c')!\n", res);
				break;
			}
			switch(res) {
			case MACRO_EXIT_RESULT:
				res = 0;
				goto out;
			default:
				ast_debug(2, "Spawn extension (%s,%s,%d) exited non-zero on '%s' in macro '%s'\n", ast_channel_context(chan), ast_channel_exten(chan), ast_channel_priority(chan), ast_channel_name(chan), macro);
				ast_verb(2, "Spawn extension (%s, %s, %d) exited non-zero on '%s' in macro '%s'\n", ast_channel_context(chan), ast_channel_exten(chan), ast_channel_priority(chan), ast_channel_name(chan), macro);
				goto out;
			}
		}

		ast_debug(1, "Executed application: %s\n", runningapp);

		if (!strcasecmp(runningapp, "GOSUB")) {
			gosub_level++;
			ast_debug(1, "Incrementing gosub_level\n");
		} else if (!strcasecmp(runningapp, "GOSUBIF")) {
			char *cond, *app_arg;
			char *app2;
			ast_str_substitute_variables(&tmp_subst, 0, chan, runningdata);
			app2 = ast_str_buffer(tmp_subst);
			cond = strsep(&app2, "?");
			app_arg = strsep(&app2, ":");
			if (pbx_checkcondition(cond)) {
				if (!ast_strlen_zero(app_arg)) {
					gosub_level++;
					ast_debug(1, "Incrementing gosub_level\n");
				}
			} else {
				if (!ast_strlen_zero(app2)) {
					gosub_level++;
					ast_debug(1, "Incrementing gosub_level\n");
				}
			}
		} else if (!strcasecmp(runningapp, "RETURN")) {
			gosub_level--;
			ast_debug(1, "Decrementing gosub_level\n");
		} else if (!strcasecmp(runningapp, "STACKPOP")) {
			gosub_level--;
			ast_debug(1, "Decrementing gosub_level\n");
		} else if (!strncasecmp(runningapp, "EXEC", 4)) {
			/* Must evaluate args to find actual app */
			char *tmp2, *tmp3 = NULL;
			ast_str_substitute_variables(&tmp_subst, 0, chan, runningdata);
			tmp2 = ast_str_buffer(tmp_subst);
			if (!strcasecmp(runningapp, "EXECIF")) {
				if ((tmp3 = strchr(tmp2, '|'))) {
					*tmp3++ = '\0';
				}
				if (!pbx_checkcondition(tmp2)) {
					tmp3 = NULL;
				}
			} else {
				tmp3 = tmp2;
			}

			if (tmp3) {
				ast_debug(1, "Last app: %s\n", tmp3);
			}

			if (tmp3 && !strncasecmp(tmp3, "GOSUB", 5)) {
				gosub_level++;
				ast_debug(1, "Incrementing gosub_level\n");
			} else if (tmp3 && !strncasecmp(tmp3, "RETURN", 6)) {
				gosub_level--;
				ast_debug(1, "Decrementing gosub_level\n");
			} else if (tmp3 && !strncasecmp(tmp3, "STACKPOP", 8)) {
				gosub_level--;
				ast_debug(1, "Decrementing gosub_level\n");
			}
		}

		if (gosub_level == 0 && strcasecmp(ast_channel_context(chan), fullmacro)) {
			ast_verb(2, "Channel '%s' jumping out of macro '%s'\n", ast_channel_name(chan), macro);
			break;
		}

		/* don't stop executing extensions when we're in "h" */
		if (ast_check_hangup(chan) && !inhangup) {
			ast_debug(1, "Extension %s, macroexten %s, priority %d returned normally even though call was hung up\n", ast_channel_exten(chan), ast_channel_macroexten(chan), ast_channel_priority(chan));
			goto out;
		}
		ast_channel_priority_set(chan, ast_channel_priority(chan) + 1);
  	}
	out:

	/* Don't let the channel change now. */
	ast_channel_lock(chan);

	/* Reset the depth back to what it was when the routine was entered (like if we called Macro recursively) */
	snprintf(depthc, sizeof(depthc), "%d", depth);
	pbx_builtin_setvar_helper(chan, "MACRO_DEPTH", depthc);
	ast_set2_flag(ast_channel_flags(chan), autoloopflag, AST_FLAG_IN_AUTOLOOP);

  	for (x = 1; x < argc; x++) {
  		/* Restore old arguments and delete ours */
		snprintf(varname, sizeof(varname), "ARG%d", x);
  		if (oldargs[x]) {
			pbx_builtin_setvar_helper(chan, varname, oldargs[x]);
			ast_free(oldargs[x]);
		} else {
			pbx_builtin_setvar_helper(chan, varname, NULL);
		}
  	}

	/* Restore macro variables */
	pbx_builtin_setvar_helper(chan, "MACRO_EXTEN", save_macro_exten);
	pbx_builtin_setvar_helper(chan, "MACRO_CONTEXT", save_macro_context);
	pbx_builtin_setvar_helper(chan, "MACRO_PRIORITY", save_macro_priority);
	if (save_macro_exten)
		ast_free(save_macro_exten);
	if (save_macro_context)
		ast_free(save_macro_context);
	if (save_macro_priority)
		ast_free(save_macro_priority);

	if (setmacrocontext) {
		ast_channel_macrocontext_set(chan, "");
		ast_channel_macroexten_set(chan, "");
		ast_channel_macropriority_set(chan, 0);
	}

	if (!strcasecmp(ast_channel_context(chan), fullmacro)) {
		const char *offsets;

  		/* If we're leaving the macro normally, restore original information */
		ast_channel_priority_set(chan, oldpriority);
		ast_channel_context_set(chan, oldcontext);
		ast_channel_exten_set(chan, oldexten);
		if ((offsets = pbx_builtin_getvar_helper(chan, "MACRO_OFFSET"))) {
			/* Handle macro offset if it's set by checking the availability of step n + offset + 1, otherwise continue
			normally if there is any problem */
			if (sscanf(offsets, "%30d", &offset) == 1) {
				if (ast_exists_extension(chan, ast_channel_context(chan), ast_channel_exten(chan),
					ast_channel_priority(chan) + offset + 1,
					S_COR(ast_channel_caller(chan)->id.number.valid, ast_channel_caller(chan)->id.number.str, NULL))) {
					ast_channel_priority_set(chan, ast_channel_priority(chan) + offset);
				}
			}
		}
	}

	pbx_builtin_setvar_helper(chan, "MACRO_OFFSET", save_macro_offset);
	if (save_macro_offset)
		ast_free(save_macro_offset);

	/* Unlock the macro */
	if (exclusive) {
		ast_debug(1, "Unlocking macrolock for '%s'\n", fullmacro);
		if (ast_context_unlockmacro(fullmacro)) {
			ast_log(LOG_ERROR, "Failed to unlock macro '%s' - that isn't good\n", fullmacro);
			res = 0;
		}
	}
	ast_channel_unlock(chan);
	ast_free(tmp_subst);

	return res;
}
Esempio n. 7
0
/*
 * 'save dialplan' CLI command implementation functions ...
 */
static int handle_save_dialplan(int fd, int argc, char *argv[])
{
	char filename[256];
	struct ast_context *c;
	struct ast_config *cfg;
	struct ast_variable *v;
	int context_header_written;
	int incomplete = 0; /* incomplete config write? */
	FILE *output;

	if (! (static_config && !write_protect_config)) {
		ast_cli(fd,
			"I can't save dialplan now, see '%s' example file.\n",
			config);
		return RESULT_FAILURE;
	}

	if (argc != 2 && argc != 3) return RESULT_SHOWUSAGE;

	if (ast_mutex_lock(&save_dialplan_lock)) {
		ast_cli(fd,
			"Failed to lock dialplan saving (another proccess saving?)\n");
		return RESULT_FAILURE;
	}

	/* have config path? */
	if (argc == 3) {
		/* is there extension.conf too? */
		if (!strstr(argv[2], ".conf")) {
			/* no, only directory path, check for last '/' occurence */
			if (*(argv[2] + strlen(argv[2]) -1) == '/')
				snprintf(filename, sizeof(filename), "%s%s",
					argv[2], config);
			else
				/* without config extensions.conf, add it */
				snprintf(filename, sizeof(filename), "%s/%s",
					argv[2], config);
		} else
			/* there is an .conf */
			snprintf(filename, sizeof(filename), argv[2]);
	} else
		/* no config file, default one */
		snprintf(filename, sizeof(filename), "%s/%s",
			(char *)ast_config_AST_CONFIG_DIR, config);

	cfg = ast_load("extensions.conf");

	/* try to lock contexts list */
	if (ast_lock_contexts()) {
		ast_cli(fd, "Failed to lock contexts list\n");
		ast_mutex_unlock(&save_dialplan_lock);
		ast_destroy(cfg);
		return RESULT_FAILURE;
	}

	/* create new file ... */
	if (!(output = fopen(filename, "wt"))) {
		ast_cli(fd, "Failed to create file '%s'\n",
			filename);
		ast_unlock_contexts();
		ast_mutex_unlock(&save_dialplan_lock);
		ast_destroy(cfg);
		return RESULT_FAILURE;
	}

	/* fireout general info */
	fprintf(output, "[general]\nstatic=%s\nwriteprotect=%s\n\n",
		static_config ? "yes" : "no",
		write_protect_config ? "yes" : "no");

	if ((v = ast_variable_browse(cfg, "globals"))) {
		fprintf(output, "[globals]\n");
		while(v) {
			fprintf(output, "%s => %s\n", v->name, v->value);
			v = v->next;
		}
		fprintf(output, "\n");
	}

	ast_destroy(cfg);
	
	/* walk all contexts */
	c = ast_walk_contexts(NULL);
	while (c) {
		context_header_written = 0;
	
		/* try to lock context and fireout all info */	
		if (!ast_lock_context(c)) {
			struct ast_exten *e, *last_written_e = NULL;
			struct ast_include *i;
			struct ast_ignorepat *ip;
			struct ast_sw *sw;

			/* registered by this module? */
			if (!strcmp(ast_get_context_registrar(c), registrar)) {
				fprintf(output, "[%s]\n", ast_get_context_name(c));
				context_header_written = 1;
			}

			/* walk extensions ... */
			e = ast_walk_context_extensions(c, NULL);
			while (e) {
				struct ast_exten *p;

				/* fireout priorities */
				p = ast_walk_extension_priorities(e, NULL);
				while (p) {
					if (!strcmp(ast_get_extension_registrar(p),
						registrar)) {
			
						/* make empty line between different extensions */	
						if (last_written_e != NULL &&
							strcmp(ast_get_extension_name(last_written_e),
								ast_get_extension_name(p)))
							fprintf(output, "\n");
						last_written_e = p;
				
						if (!context_header_written) {
							fprintf(output, "[%s]\n", ast_get_context_name(c));
							context_header_written = 1;
						}

						if (ast_get_extension_priority(p)!=PRIORITY_HINT) {
							char *tempdata = NULL, *startdata;
							tempdata = strdup((char *)ast_get_extension_app_data(p));
							if (tempdata) {
								startdata = tempdata;
								while (*tempdata) {
									if (*tempdata == '|')
										*tempdata = ',';
									tempdata++;
								}
								tempdata = startdata;
							}
							if (ast_get_extension_matchcid(p))
								fprintf(output, "exten => %s/%s,%d,%s(%s)\n",
								    ast_get_extension_name(p),
								    ast_get_extension_cidmatch(p),
								    ast_get_extension_priority(p),
								    ast_get_extension_app(p),
								    tempdata);
							else
								fprintf(output, "exten => %s,%d,%s(%s)\n",
								    ast_get_extension_name(p),
								    ast_get_extension_priority(p),
								    ast_get_extension_app(p),
								    tempdata);
							if (tempdata)
								free(tempdata);
						} else
							fprintf(output, "exten => %s,hint,%s\n",
							    ast_get_extension_name(p),
							    ast_get_extension_app(p));
						
					}
					p = ast_walk_extension_priorities(e, p);
				}

				e = ast_walk_context_extensions(c, e);
			}

			/* written any extensions? ok, write space between exten & inc */
			if (last_written_e) fprintf(output, "\n");

			/* walk through includes */
			i = ast_walk_context_includes(c, NULL);
			while (i) {
				if (!strcmp(ast_get_include_registrar(i), registrar)) {
					if (!context_header_written) {
						fprintf(output, "[%s]\n", ast_get_context_name(c));
						context_header_written = 1;
					}
					fprintf(output, "include => %s\n",
						ast_get_include_name(i));
				}
				i = ast_walk_context_includes(c, i);
			}

			if (ast_walk_context_includes(c, NULL))
				fprintf(output, "\n");

			/* walk through switches */
			sw = ast_walk_context_switches(c, NULL);
			while (sw) {
				if (!strcmp(ast_get_switch_registrar(sw), registrar)) {
					if (!context_header_written) {
						fprintf(output, "[%s]\n", ast_get_context_name(c));
						context_header_written = 1;
					}
					fprintf(output, "switch => %s/%s\n",
						ast_get_switch_name(sw),
						ast_get_switch_data(sw));
				}
				sw = ast_walk_context_switches(c, sw);
			}

			if (ast_walk_context_switches(c, NULL))
				fprintf(output, "\n");

			/* fireout ignorepats ... */
			ip = ast_walk_context_ignorepats(c, NULL);
			while (ip) {
				if (!strcmp(ast_get_ignorepat_registrar(ip), registrar)) {
					if (!context_header_written) {
						fprintf(output, "[%s]\n", ast_get_context_name(c));
						context_header_written = 1;
					}

					fprintf(output, "ignorepat => %s\n",
						ast_get_ignorepat_name(ip));
				}
				ip = ast_walk_context_ignorepats(c, ip);
			}

			ast_unlock_context(c);
		} else
			incomplete = 1;

		c = ast_walk_contexts(c);
	}	

	ast_unlock_contexts();
	ast_mutex_unlock(&save_dialplan_lock);
	fclose(output);

	if (incomplete) {
		ast_cli(fd, "Saved dialplan is incomplete\n");
		return RESULT_FAILURE;
	}

	ast_cli(fd, "Dialplane successfully saved into '%s'\n",
		filename);
	return RESULT_SUCCESS;
}
Esempio n. 8
0
static char *complete_context_add_include(char *line, char *word, int pos,
    int state)
{
	struct ast_context *c;
	int which = 0;

	/* server context for inclusion ... */
	if (pos == 1)
	{
		if (ast_lock_contexts()) {
			ast_log(LOG_ERROR, "Failed to lock context list\n");
			return NULL;
		}

		/* server all contexts */ 
		c = ast_walk_contexts(NULL); 
		while (c) {
			if ((!strlen(word) || 
				 !strncmp(ast_get_context_name(c), word, strlen(word))) &&
				++which > state)
			{
				char *context = strdup(ast_get_context_name(c));
				ast_unlock_contexts();
				return context;
			}
			c = ast_walk_contexts(c);
		}

		ast_unlock_contexts();
	}

	/* complete 'in' only if context exist ... */
	if (pos == 2)
	{
		char *context, *dupline, *duplinet;

		if (state != 0) return NULL;

		/* parse context from line ... */
		if (!(dupline = strdup(line))) {
			ast_log(LOG_ERROR, "Out of free memory\n");
			if (state == 0) return strdup("in");
			return NULL;
		}

		duplinet = dupline;

		strsep(&duplinet, " ");
		context = strsep(&duplinet, " ");
		if (context) {
			struct ast_context *c;
			int context_existence = 0;

			/* check for context existence ... */
			if (ast_lock_contexts()) {
				ast_log(LOG_ERROR, "Failed to lock context list\n");
				free(dupline);
				/* our fault, we can't check, so complete 'in' ... */
				return strdup("in");
			}

			c = ast_walk_contexts(NULL);
			while (c && !context_existence) {
				if (!strcmp(context, ast_get_context_name(c))) {
					context_existence = 1;
					continue;
				}
				c = ast_walk_contexts(c);
			}

			/* if context exists, return 'into' ... */
			if (context_existence) {
				free(dupline);
				ast_unlock_contexts();
				return strdup("into");
			}

			ast_unlock_contexts();
		}	

		free(dupline);
		return NULL;
	}

	/* serve context into which we include another context */
	if (pos == 3)
	{
		char *context, *dupline, *duplinet, *in;
		int context_existence = 0;

		if (!(dupline = strdup(line))) {
			ast_log(LOG_ERROR, "Out of free memory\n");
			return NULL;
		}

		duplinet = dupline;

		strsep(&duplinet, " "); /* skip 'include' */
		context = strsep(&duplinet, " ");
		in = strsep(&duplinet, " ");

		/* given some context and third word is in? */
		if (!strlen(context) || strcmp(in, "in")) {
			free(dupline);
			return NULL;
		}

		if (ast_lock_contexts()) {
			ast_log(LOG_ERROR, "Failed to lock context list\n");
			free(dupline);
			return NULL;
		}

		/* check for context existence ... */
		c = ast_walk_contexts(NULL);
		while (c && !context_existence) {
			if (!strcmp(context, ast_get_context_name(c))) {
				context_existence = 1;
				continue;
			}
			c = ast_walk_contexts(c);
		}

		if (!context_existence) {
			free(dupline);
			ast_unlock_contexts();
			return NULL;
		}

		/* go through all contexts ... */
		c = ast_walk_contexts(NULL);
		while (c) {
			/* must be different contexts ... */
			if (strcmp(context, ast_get_context_name(c))) {
				if (!ast_lock_context(c)) {
					struct ast_include *i;
					int included = 0;

					/* check for duplicity inclusion ... */
					i = ast_walk_context_includes(c, NULL);
					while (i && !included) {
						if (!strcmp(ast_get_include_name(i), context))
							included = 1;
						i = ast_walk_context_includes(c, i);
					}
					ast_unlock_context(c);

					/* not included yet, so show possibility ... */
					if (!included &&
						!strncmp(ast_get_context_name(c), word, strlen(word))){
						
						if (++which > state) {
							char *res = strdup(ast_get_context_name(c));
							free(dupline);
							ast_unlock_contexts();
							return res;
						}
					}	
				}
			}
			c = ast_walk_contexts(c);
		}

		ast_unlock_contexts();
		free(dupline);
		return NULL;
	}

	return NULL;
}
Esempio n. 9
0
static char *complete_context_remove_extension(char *line, char *word, int pos,
	int state)
{
	char *ret = NULL;
	int which = 0;

#ifdef BROKEN_READLINE
	/*
	 * Fix arguments, *word is a new allocated structure, REMEMBER to
	 * free *word when you want to return from this function ...
	 */
	if (fix_complete_args(line, &word, &pos)) {
		ast_log(LOG_ERROR, "Out of free memory\n");
		return NULL;
	}
#endif

	/*
	 * exten@context completion ... 
	 */
	if (pos == 2) {
		struct ast_context *c;
		struct ast_exten *e;
		char *context = NULL, *exten = NULL, *delim = NULL;

		/* now, parse values from word = exten@context */
		if ((delim = strchr(word, (int)'@'))) {
			/* check for duplicity ... */
			if (delim != strrchr(word, (int)'@')) {
#ifdef BROKEN_READLINE
				free(word);
#endif
				return NULL;
			}

			*delim = '\0';
			exten = strdup(word);
			context = strdup(delim + 1);
			*delim = '@';
		} else {
			exten = strdup(word);
		}
#ifdef BROKEN_READLINE
		free(word);
#endif

		if (ast_lock_contexts()) {
			ast_log(LOG_ERROR, "Failed to lock context list\n");
			free(context); free(exten);
			return NULL;
		}

		/* find our context ... */
		c = ast_walk_contexts(NULL); 
		while (c) {
			/* our context? */
			if ( (!context || !strlen(context)) ||                            /* if no input, all contexts ... */
				 (context && !strncmp(ast_get_context_name(c),
				              context, strlen(context))) ) {                  /* if input, compare ... */
				/* try to complete extensions ... */
				e = ast_walk_context_extensions(c, NULL);
				while (e) {
					/* our extension? */
					if ( (!exten || !strlen(exten)) ||                           /* if not input, all extensions ... */
						 (exten && !strncmp(ast_get_extension_name(e), exten,
						                    strlen(exten))) ) { /* if input, compare ... */
						if (++which > state) {
							/* If there is an extension then return
							 * exten@context.
							 */
							if (exten) {
								ret = malloc(strlen(ast_get_extension_name(e)) +
									strlen(ast_get_context_name(c)) + 2);
								if (ret)
									sprintf(ret, "%s@%s", ast_get_extension_name(e),
										ast_get_context_name(c));
							}
							free(exten); free(context);

							ast_unlock_contexts();
	
							return ret;
						}
					}
					e = ast_walk_context_extensions(c, e);
				}
			}
			c = ast_walk_contexts(c);
		}

		ast_unlock_contexts();

		free(exten); free(context);

		return NULL;
	}

	/*
	 * Complete priority ...
	 */
	if (pos == 3) {
		char *delim, *exten, *context, *dupline, *duplinet, *ec;
		struct ast_context *c;

		dupline = strdup(line);
		if (!dupline) {
#ifdef BROKEN_READLINE
			free(word);
#endif
			return NULL;
		}
		duplinet = dupline;

		strsep(&duplinet, " "); /* skip 'remove' */
		strsep(&duplinet, " "); /* skip 'extension */

		if (!(ec = strsep(&duplinet, " "))) {
			free(dupline);
#ifdef BROKEN_READLINE
			free(word);
#endif
			return NULL;
		}

		/* wrong exten@context format? */
		if (!(delim = strchr(ec, (int)'@')) ||
			(strchr(ec, (int)'@') != strrchr(ec, (int)'@'))) {
#ifdef BROKEN_READLINE
			free(word);
#endif
			free(dupline);
			return NULL;
		}

		/* check if there is exten and context too ... */
		*delim = '\0';
		if ((!strlen(ec)) || (!strlen(delim + 1))) {
#ifdef BROKEN_READLINE
			free(word);
#endif
			free(dupline);
			return NULL;
		}

		exten = strdup(ec);
		context = strdup(delim + 1);
		free(dupline);

		if (ast_lock_contexts()) {
			ast_log(LOG_ERROR, "Failed to lock context list\n");
#ifdef BROKEN_READLINE
			free(word);
#endif
			free(exten); free(context);
			return NULL;
		}

		/* walk contexts */
		c = ast_walk_contexts(NULL); 
		while (c) {
			if (!strcmp(ast_get_context_name(c), context)) {
				struct ast_exten *e;

				/* walk extensions */
				free(context);
				e = ast_walk_context_extensions(c, NULL); 
				while (e) {
					if (!strcmp(ast_get_extension_name(e), exten)) {
						struct ast_exten *priority;
						char buffer[10];
					
						free(exten);
						priority = ast_walk_extension_priorities(e, NULL);
						/* serve priorities */
						do {
							snprintf(buffer, 10, "%u",
								ast_get_extension_priority(priority));
							if (!strncmp(word, buffer, strlen(word))) {
								if (++which > state) {
#ifdef BROKEN_READLINE
									free(word);
#endif
									ast_unlock_contexts();
									return strdup(buffer);
								}
							}
							priority = ast_walk_extension_priorities(e,
								priority);
						} while (priority);

#ifdef BROKEN_READLINE
						free(word);
#endif
						ast_unlock_contexts();
						return NULL;			
					}
					e = ast_walk_context_extensions(c, e);
				}
#ifdef BROKEN_READLINE
				free(word);
#endif
				free(exten);
				ast_unlock_contexts();
				return NULL;
			}
			c = ast_walk_contexts(c);
		}

#ifdef BROKEN_READLINE
		free(word);
#endif
		free(exten); free(context);

		ast_unlock_contexts();
		return NULL;
	}

#ifdef BROKEN_READLINE
	free(word);
#endif
	return NULL; 
}
Esempio n. 10
0
static int pbx_load_module(void)
{
	struct ast_config *cfg;
	struct ast_variable *v;
	char *cxt, *ext, *pri, *appl, *data, *tc, *cidmatch;
	struct ast_context *con;
	char *start, *end;
	char realvalue[256];

	cfg = ast_load(config);
	if (cfg) {
		/* Use existing config to populate the PBX table */
		static_config = ast_true(ast_variable_retrieve(cfg, "general",
			"static"));
		write_protect_config = ast_true(ast_variable_retrieve(cfg, "general",
			"writeprotect"));
		v = ast_variable_browse(cfg, "globals");
		while(v) {
			memset(realvalue, 0, sizeof(realvalue));
			pbx_substitute_variables_helper(NULL, v->value, realvalue, sizeof(realvalue) - 1);
			pbx_builtin_setvar_helper(NULL, v->name, realvalue);
			v = v->next;
		}
		cxt = ast_category_browse(cfg, NULL);
		while(cxt) {
			/* All categories but "general" or "globals" are considered contexts */
			if (!strcasecmp(cxt, "general") || !strcasecmp(cxt, "globals")) {
				cxt = ast_category_browse(cfg, cxt);
				continue;
			}
			if ((con=ast_context_create(&local_contexts,cxt, registrar))) {
				v = ast_variable_browse(cfg, cxt);
				while(v) {
					if (!strcasecmp(v->name, "exten")) {
						char *stringp=NULL;
						int ipri = -2;
						char realext[256]="";
						tc = strdup(v->value);
						if(tc!=NULL){
							stringp=tc;
							ext = strsep(&stringp, ",");
							if (!ext)
								ext="";
							pri = strsep(&stringp, ",");
							if (!pri)
								pri="";
							if (!strcmp(pri,"hint"))
								ipri=PRIORITY_HINT;
							else {
								if (sscanf(pri, "%i", &ipri) != 1) {
									ast_log(LOG_WARNING, "Invalid priority '%s' at line %d\n", pri, v->lineno);
									ipri = 0;
								}
							}
							appl = stringp;
							if (!appl)
								appl="";
							if (!(start = strchr(appl, '('))) {
								if (stringp)
									appl = strsep(&stringp, ",");
								else
									appl = "";
							}
							if (start && (end = strrchr(appl, ')'))) {
								*start = *end = '\0';
								data = start + 1;
								process_quotes_and_slashes(data, ',', '|');
							} else if (stringp!=NULL && *stringp=='"') {
								stringp++;
								data = strsep(&stringp, "\"");
								stringp++;
							} else {
								if (stringp)
									data = strsep(&stringp, ",");
								else
									data = "";
							}
							cidmatch = strchr(ext, '/');
							if (cidmatch) {
								*cidmatch = '\0';
								cidmatch++;
							}
							stringp=ext;
							strsep(&stringp, "/");

							if (!data)
								data="";
							while(*appl && (*appl < 33)) appl++;
							pbx_substitute_variables_helper(NULL, ext, realext, sizeof(realext) - 1);
							if (ipri) {
								if (ast_add_extension2(con, 0, realext, ipri, cidmatch, appl, strdup(data), FREE, registrar)) {
									ast_log(LOG_WARNING, "Unable to register extension at line %d\n", v->lineno);
								}
							}
							free(tc);
						} else fprintf(stderr,"Error strdup returned NULL in %s\n",__PRETTY_FUNCTION__);
					} else if(!strcasecmp(v->name, "include")) {
						memset(realvalue, 0, sizeof(realvalue));
						pbx_substitute_variables_helper(NULL, v->value, realvalue, sizeof(realvalue) - 1);
						if (ast_context_add_include2(con, realvalue, registrar))
							ast_log(LOG_WARNING, "Unable to include context '%s' in context '%s'\n", v->value, cxt);
					} else if(!strcasecmp(v->name, "ignorepat")) {
						memset(realvalue, 0, sizeof(realvalue));
						pbx_substitute_variables_helper(NULL, v->value, realvalue, sizeof(realvalue) - 1);
						if (ast_context_add_ignorepat2(con, realvalue, registrar))
							ast_log(LOG_WARNING, "Unable to include ignorepat '%s' in context '%s'\n", v->value, cxt);
					} else if (!strcasecmp(v->name, "switch")) {
						char *stringp=NULL;
						memset(realvalue, 0, sizeof(realvalue));
						pbx_substitute_variables_helper(NULL, v->value, realvalue, sizeof(realvalue) - 1);
						tc = realvalue;
						stringp=tc;
						appl = strsep(&stringp, "/");
						data = strsep(&stringp, "");
						if (!data)
							data = "";
						if (ast_context_add_switch2(con, appl, data, registrar))
							ast_log(LOG_WARNING, "Unable to include switch '%s' in context '%s'\n", v->value, cxt);
					}
					v = v->next;
				}
			}
			cxt = ast_category_browse(cfg, cxt);
		}
		ast_destroy(cfg);
	}
	ast_merge_contexts_and_delete(&local_contexts,registrar);

	for (con = ast_walk_contexts(NULL); con; con = ast_walk_contexts(con))
		ast_context_verify_includes(con);

	return 0;
}
Esempio n. 11
0
static char *complete_context_dont_include(char *line, char *word,
	int pos, int state)
{
	int which = 0;

	/*
	 * Context completion ...
	 */
	if (pos == 2) {
		struct ast_context *c;

		if (ast_lock_contexts()) {
			ast_log(LOG_ERROR, "Failed to lock context list\n");
			return NULL;
		}

		/* walk pbx_get_contexts ... */
		c = ast_walk_contexts(NULL); 
		while (c) {
			struct ast_include *i;

			if (ast_lock_context(c)) {
				c = ast_walk_contexts(c);
				continue;
			}

			i = ast_walk_context_includes(c, NULL);
			while (i) {
				if (!strlen(word) ||
					!strncmp(ast_get_include_name(i), word, strlen(word))) {
					struct ast_context *nc;
					int already_served = 0;

					/* check if this include is already served or not */

					/* go through all contexts again till we reach actuall
					 * context or already_served = 1
					 */
					nc = ast_walk_contexts(NULL);
					while (nc && nc != c && !already_served) {
						if (!ast_lock_context(nc)) {
							struct ast_include *ni;

							ni = ast_walk_context_includes(nc, NULL);
							while (ni && !already_served) {
								if (!strcmp(ast_get_include_name(i),
									ast_get_include_name(ni)))
									already_served = 1;
								ni = ast_walk_context_includes(nc, ni);
							}	
							
							ast_unlock_context(nc);
						}
						nc = ast_walk_contexts(nc);
					}

					if (!already_served) {
						if (++which > state) {
							char *res =
								strdup(ast_get_include_name(i));
							ast_unlock_context(c);
							ast_unlock_contexts();
							return res;
						}
					}
				}
				i = ast_walk_context_includes(c, i);
			}

			ast_unlock_context(c);
			c = ast_walk_contexts(c);
		}

		ast_unlock_contexts();
		return NULL;
	}

	/*
	 * 'in' completion ... (complete only if previous context is really
	 * included somewhere)
	 */
	if (pos == 3) {
		struct ast_context *c;
		char *context, *dupline, *duplinet;

		if (state > 0) return NULL;

		/* take 'context' from line ... */
		if (!(dupline = strdup(line))) {
			ast_log(LOG_ERROR, "Out of free memory\n");
			return NULL;
		}

		duplinet = dupline;
		strsep(&duplinet, " "); /* skip 'dont' */
		strsep(&duplinet, " "); /* skip 'include' */
		context = strsep(&duplinet, " ");

		if (!context) {
			free(dupline);
			return NULL;
		}

		if (ast_lock_contexts()) {
			ast_log(LOG_WARNING, "Failed to lock contexts list\n");
			free(dupline);
			return NULL;
		}

		/* go through all contexts and check if is included ... */
		c = ast_walk_contexts(NULL);
		while (c) {
			struct ast_include *i;
			if (ast_lock_context(c)) {
				free(dupline);
				ast_unlock_contexts();
				return NULL;
			}

			i = ast_walk_context_includes(c, NULL);
			while (i) {
				/* is it our context? */
				if (!strcmp(ast_get_include_name(i), context)) {
					/* yes, it is, context is really included, so
					 * complete "in" command
					 */
					free(dupline);
					ast_unlock_context(c);
					ast_unlock_contexts();
					return strdup("in");
				}
				i = ast_walk_context_includes(c, i);
			}
			ast_unlock_context(c);
			c = ast_walk_contexts(c);
		}
		free(dupline);
		ast_unlock_contexts();
		return NULL;
	}

	/*
	 * Context from which we removing include ... 
	 */
	if (pos == 4) {
		struct ast_context *c;
		char *context, *dupline, *duplinet, *in;

		if (!(dupline = strdup(line))) {
			ast_log(LOG_ERROR, "Out of free memory\n");
			return NULL;
		}

		duplinet = dupline;

		strsep(&duplinet, " "); /* skip 'dont' */
		strsep(&duplinet, " "); /* skip 'include' */

		if (!(context = strsep(&duplinet, " "))) {
			free(dupline);
			return NULL;
		}

		/* third word must be in */
		in = strsep(&duplinet, " ");
		if (!in ||
			strcmp(in, "in")) {
			free(dupline);
			return NULL;
		}

		if (ast_lock_contexts()) {
			ast_log(LOG_ERROR, "Failed to lock context list\n");
			free(dupline);
			return NULL;
		}

		/* walk through all contexts ... */
		c = ast_walk_contexts(NULL);
		while (c) {
			struct ast_include *i;
			if (ast_lock_context(c)) {
				free(dupline);
				return NULL;
			}
	
			/* walk through all includes and check if it is our context */	
			i = ast_walk_context_includes(c, NULL);
			while (i) {
				/* is in this context included another on which we want to
				 * remove?
				 */
				if (!strcmp(context, ast_get_include_name(i))) {
					/* yes, it's included, is matching our word too? */
					if (!strncmp(ast_get_context_name(c),
							word, strlen(word))) {
						/* check state for completion */
						if (++which > state) {
							char *res = strdup(ast_get_context_name(c));
							free(dupline);
							ast_unlock_context(c);
							ast_unlock_contexts();
							return res;
						}
					}
					break;
				}
				i = ast_walk_context_includes(c, i);
			}	
			ast_unlock_context(c);
			c = ast_walk_contexts(c);
		}

		free(dupline);
		ast_unlock_contexts();
		return NULL;
	}

	return NULL;
}
Esempio n. 12
0
static char *complete_context_remove_ignorepat(char *line, char *word,
	int pos, int state)
{
	struct ast_context *c;
	int which = 0;

	if (pos == 2) {
		if (ast_lock_contexts()) {
			ast_log(LOG_WARNING, "Failed to lock contexts list\n");
			return NULL;
		}

		c = ast_walk_contexts(NULL);
		while (c) {
			if (!ast_lock_context(c)) {
				struct ast_ignorepat *ip;
			
				ip = ast_walk_context_ignorepats(c, NULL);
				while (ip) {
					if (!strncmp(ast_get_ignorepat_name(ip), word, strlen(word))) {
						if (which + 1 > state) {
							struct ast_context *cw;
							int already_served = 0;
							cw = ast_walk_contexts(NULL);
							while (cw && cw != c && !already_served) {
								if (!ast_lock_context(cw)) {
									struct ast_ignorepat *ipw;
									ipw = ast_walk_context_ignorepats(cw, NULL);
									while (ipw) {
										if (!strcmp(ast_get_ignorepat_name(ipw),
											ast_get_ignorepat_name(ip))) already_served = 1;
										ipw = ast_walk_context_ignorepats(cw, ipw);
									}
									ast_unlock_context(cw);
								}
								cw = ast_walk_contexts(cw);
							}
							if (!already_served) {
								char *ret = strdup(ast_get_ignorepat_name(ip));
								ast_unlock_context(c);
								ast_unlock_contexts();
								return ret;
							}
						} else
							which++;
					}
					ip = ast_walk_context_ignorepats(c, ip);
				}

				ast_unlock_context(c);
			}
			c = ast_walk_contexts(c);
		}

		ast_unlock_contexts();
		return NULL;
	}
 
	if (pos == 3) return state == 0 ? strdup("from") : NULL;

	if (pos == 4) {
		char *dupline, *duplinet, *ignorepat;

		dupline = strdup(line);
		if (!dupline) {
			ast_log(LOG_WARNING, "Out of free memory\n");
			return NULL;
		}

		duplinet = dupline;
		strsep(&duplinet, " ");
		strsep(&duplinet, " ");
		ignorepat = strsep(&duplinet, " ");

		if (!ignorepat) {
			free(dupline);
			return NULL;
		}

		if (ast_lock_contexts()) {
			ast_log(LOG_WARNING, "Failed to lock contexts list\n");
			free(dupline);
			return NULL;
		}

		c = ast_walk_contexts(NULL);
		while (c) {
			if (!ast_lock_context(c)) {
				struct ast_ignorepat *ip;
				ip = ast_walk_context_ignorepats(c, NULL);
				while (ip) {
					if (!strcmp(ast_get_ignorepat_name(ip), ignorepat)) {
						if (!strncmp(ast_get_context_name(c), word, strlen(word))) {
							if (++which > state) {
								char *ret = strdup(ast_get_context_name(c));
								free(dupline);
								ast_unlock_context(c);
								ast_unlock_contexts();
								return ret;
							}
						}
					}
					ip = ast_walk_context_ignorepats(c, ip);
				}

				ast_unlock_context(c);
			}
			c = ast_walk_contexts(c);
		}

		free(dupline);
		ast_unlock_contexts();
		return NULL;
	}

	return NULL;
}