func_dialplan.c File Reference

Dialplan group functions check if a dialplan entry exists. More...

#include "asterisk.h"
#include "asterisk/module.h"
#include "asterisk/channel.h"
#include "asterisk/pbx.h"
#include "asterisk/app.h"

Include dependency graph for func_dialplan.c:

Go to the source code of this file.

Functions
static void	__reg_module (void)
static void	__unreg_module (void)
static int	acf_isexten_exec (struct ast_channel *chan, const char *cmd, char *parse, char *buffer, size_t buflen)
struct ast_module *	AST_MODULE_SELF_SYM (void)
static int	isexten_function_read (struct ast_channel *chan, const char *cmd, char *data, char *buf, size_t len)
static int	load_module (void)
static int	unload_module (void)

Variables
static struct ast_module_info	__mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_LOAD_ORDER , .description = "Dialplan Context/Extension/Priority Checking Functions" , .key = "This paragraph is copyright (c) 2006 by Digium, Inc. \In order for your module to load, it must return this \key via a function called \"key\". Any code which \includes this paragraph must be licensed under the GNU \General Public License version 2 or later (at your \option). In addition to Digium's general reservations \of rights, Digium expressly reserves the right to \allow other parties to license this paragraph under \different terms. Any use of Digium, Inc. trademarks or \logos (including \"Asterisk\" or \"Digium\") without \express written permission of Digium, Inc. is prohibited.\n" , .buildopt_sum = AST_BUILDOPT_SUM, .support_level = AST_MODULE_SUPPORT_CORE, .load = load_module, .unload = unload_module, .load_pri = AST_MODPRI_APP_DEPEND, }
static struct ast_custom_function	acf_isexten
static const struct ast_module_info *	ast_module_info = &__mod_info
static struct ast_custom_function	isexten_function

Detailed Description

Dialplan group functions check if a dialplan entry exists.

Author

Gregory Nietsky AKA irroot grego.nosp@m.ry@n.nosp@m.etwor.nosp@m.ksen.nosp@m.try.c.nosp@m.o.za

Russell Bryant russe.nosp@m.ll@d.nosp@m.igium.nosp@m..com

Definition in file func_dialplan.c.

Function Documentation

__reg_module()

static void __reg_module ( void  )

static

Definition at line 199 of file func_dialplan.c.

__unreg_module()

static void __unreg_module ( void  )

static

Definition at line 199 of file func_dialplan.c.

acf_isexten_exec()

static int acf_isexten_exec ( struct ast_channel *  chan, const char *  cmd, char *  parse, char *  buffer, size_t  buflen  )

static

Definition at line 128 of file func_dialplan.c.

{
    int priority_int;
    AST_DECLARE_APP_ARGS(args,
        AST_APP_ARG(context);
        AST_APP_ARG(extension);
        AST_APP_ARG(priority);
    );
 
    if (!chan) {
        ast_log(LOG_WARNING, "No channel was provided to %s function.\n", cmd);
        return -1;
    }
 
    AST_STANDARD_APP_ARGS(args, parse);
 
    if (ast_strlen_zero(args.context)) {
        args.context = ast_strdupa(ast_channel_context(chan));
    }
 
    if (ast_strlen_zero(args.extension)) {
        ast_log(LOG_WARNING, "Syntax: VALID_EXTEN([<context>],<extension>[,<priority>]) - missing argument <extension>!\n");
        return -1;
    }
 
    if (ast_strlen_zero(args.priority)) {
        priority_int = 1;
    } else {
        priority_int = atoi(args.priority);
    }
 
    if (ast_exists_extension(chan, args.context, args.extension, priority_int,
        S_COR(ast_channel_caller(chan)->id.number.valid, ast_channel_caller(chan)->id.number.str, NULL))) {
        ast_copy_string(buffer, "1", buflen);
    } else {
        ast_copy_string(buffer, "0", buflen);
    }
 
    return 0;
}

References args, AST_APP_ARG, ast_channel_caller(), ast_channel_context(), ast_copy_string(), AST_DECLARE_APP_ARGS, ast_exists_extension(), ast_log, AST_STANDARD_APP_ARGS, ast_strdupa, ast_strlen_zero(), voicemailpwcheck::context, LOG_WARNING, NULL, priority, and S_COR.

AST_MODULE_SELF_SYM()

struct ast_module * AST_MODULE_SELF_SYM

(

void

)

Definition at line 199 of file func_dialplan.c.

isexten_function_read()

static int isexten_function_read ( struct ast_channel *  chan, const char *  cmd, char *  data, char *  buf, size_t  len  )

static

Definition at line 73 of file func_dialplan.c.

{
    char *parse;
    AST_DECLARE_APP_ARGS(args,
        AST_APP_ARG(context);
        AST_APP_ARG(exten);
        AST_APP_ARG(priority);
    );
 
    strcpy(buf, "0");
 
    if (ast_strlen_zero(data)) {
        ast_log(LOG_ERROR, "DIALPLAN_EXISTS() requires an argument\n");
        return -1;
    }
 
    parse = ast_strdupa(data);
    AST_STANDARD_APP_ARGS(args, parse);
 
    if (!ast_strlen_zero(args.priority)) {
        int priority_num;
        if (sscanf(args.priority, "%30d", &priority_num) == 1 && priority_num > 0) {
            int res;
            res = ast_exists_extension(chan, args.context, args.exten, priority_num,
                !chan ? NULL :
                S_COR(ast_channel_caller(chan)->id.number.valid, ast_channel_caller(chan)->id.number.str, NULL));
            if (res)
                strcpy(buf, "1");
        } else {
            int res;
            res = ast_findlabel_extension(chan, args.context, args.exten, args.priority,
                !chan ? NULL :
                S_COR(ast_channel_caller(chan)->id.number.valid, ast_channel_caller(chan)->id.number.str, NULL));
            if (res > 0)
                strcpy(buf, "1");
        }
    } else if (!ast_strlen_zero(args.exten)) {
        int res;
        res = ast_exists_extension(chan, args.context, args.exten, 1,
            !chan ? NULL :
            S_COR(ast_channel_caller(chan)->id.number.valid, ast_channel_caller(chan)->id.number.str, NULL));
        if (res)
            strcpy(buf, "1");
    } else if (!ast_strlen_zero(args.context)) {
        if (ast_context_find(args.context))
            strcpy(buf, "1");
    } else {
        ast_log(LOG_ERROR, "Invalid arguments provided to DIALPLAN_EXISTS\n");
        return -1;
    }
 
    return 0;
}

References args, AST_APP_ARG, ast_channel_caller(), ast_context_find(), AST_DECLARE_APP_ARGS, ast_exists_extension(), ast_findlabel_extension(), ast_log, AST_STANDARD_APP_ARGS, ast_strdupa, ast_strlen_zero(), buf, voicemailpwcheck::context, LOG_ERROR, NULL, priority, and S_COR.

load_module()

static int load_module ( void  )

static

Definition at line 187 of file func_dialplan.c.

{
    int res = ast_custom_function_register(&isexten_function);
    res |= ast_custom_function_register(&acf_isexten);
    return res;
}

References acf_isexten, ast_custom_function_register, and isexten_function.

unload_module()

static int unload_module ( void  )

static

Definition at line 180 of file func_dialplan.c.

{
    int res = ast_custom_function_unregister(&isexten_function);
    res |= ast_custom_function_unregister(&acf_isexten);
    return res;
}

References acf_isexten, ast_custom_function_unregister(), and isexten_function.

Variable Documentation

__mod_info

struct ast_module_info __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_LOAD_ORDER , .description = "Dialplan Context/Extension/Priority Checking Functions" , .key = "This paragraph is copyright (c) 2006 by Digium, Inc. \In order for your module to load, it must return this \key via a function called \"key\". Any code which \includes this paragraph must be licensed under the GNU \General Public License version 2 or later (at your \option). In addition to Digium's general reservations \of rights, Digium expressly reserves the right to \allow other parties to license this paragraph under \different terms. Any use of Digium, Inc. trademarks or \logos (including \"Asterisk\" or \"Digium\") without \express written permission of Digium, Inc. is prohibited.\n" , .buildopt_sum = AST_BUILDOPT_SUM, .support_level = AST_MODULE_SUPPORT_CORE, .load = load_module, .unload = unload_module, .load_pri = AST_MODPRI_APP_DEPEND, }

static

Definition at line 199 of file func_dialplan.c.

acf_isexten

struct ast_custom_function acf_isexten

static

Initial value:

= {
    .name = "VALID_EXTEN",
    .read = acf_isexten_exec,
}

Definition at line 175 of file func_dialplan.c.

Referenced by load_module(), and unload_module().

ast_module_info

const struct ast_module_info* ast_module_info = &__mod_info

static

Definition at line 199 of file func_dialplan.c.

isexten_function

struct ast_custom_function isexten_function

static

Initial value:

= {
    .name = "DIALPLAN_EXISTS",
    .read = isexten_function_read,
    .read_max = 2,
}

Definition at line 169 of file func_dialplan.c.

Referenced by load_module(), and unload_module().