func_blacklist.c File Reference

Function to lookup the callerid number, and see if it is blacklisted. More...

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

Include dependency graph for func_blacklist.c:

Go to the source code of this file.

Functions
static void	__reg_module (void)
static void	__unreg_module (void)
struct ast_module *	AST_MODULE_SELF_SYM (void)
static int	blacklist_read (struct ast_channel *chan, const char *cmd, char *data, char *buf, size_t len)
static int	blacklist_read2 (struct ast_channel *chan, const char *cmd, char *data, struct ast_str **str, ssize_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 = "Look up Caller*ID name/number from blacklist database" , .key = ASTERISK_GPL_KEY , .buildopt_sum = AST_BUILDOPT_SUM, .load = load_module, .unload = unload_module, .load_pri = AST_MODPRI_DEFAULT, .support_level = AST_MODULE_SUPPORT_CORE, }
static const struct ast_module_info *	ast_module_info = &__mod_info
static struct ast_custom_function	blacklist_function

Detailed Description

Function to lookup the callerid number, and see if it is blacklisted.

Author

Mark Spencer marks.nosp@m.ter@.nosp@m.digiu.nosp@m.m.co.nosp@m.m

Definition in file func_blacklist.c.

Function Documentation

__reg_module()

static void __reg_module ( void  )

static

Definition at line 115 of file func_blacklist.c.

__unreg_module()

static void __unreg_module ( void  )

static

Definition at line 115 of file func_blacklist.c.

AST_MODULE_SELF_SYM()

struct ast_module * AST_MODULE_SELF_SYM

(

void

)

Definition at line 115 of file func_blacklist.c.

blacklist_read()

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

static

Definition at line 60 of file func_blacklist.c.

{
    char blacklist[1];
    int bl = 0;
 
    if (!chan) {
        ast_log(LOG_WARNING, "No channel was provided to %s function.\n", cmd);
        return -1;
    }
 
    if (ast_channel_caller(chan)->id.number.valid && ast_channel_caller(chan)->id.number.str) {
        if (!ast_db_get("blacklist", ast_channel_caller(chan)->id.number.str, blacklist, sizeof (blacklist)))
            bl = 1;
    }
    if (ast_channel_caller(chan)->id.name.valid && ast_channel_caller(chan)->id.name.str) {
        if (!ast_db_get("blacklist", ast_channel_caller(chan)->id.name.str, blacklist, sizeof (blacklist)))
            bl = 1;
    }
 
    snprintf(buf, len, "%d", bl);
    return 0;
}

References ast_channel_caller(), ast_db_get(), ast_log, buf, len(), LOG_WARNING, and name.

Referenced by blacklist_read2().

blacklist_read2()

static int blacklist_read2 ( struct ast_channel *  chan, const char *  cmd, char *  data, struct ast_str **  str, ssize_t  len  )

static

Definition at line 83 of file func_blacklist.c.

{
    /* 2 bytes is a single integer, plus terminating null */
    if (ast_str_size(*str) - ast_str_strlen(*str) < 2) {
        if (len > ast_str_size(*str) || len == 0) {
            ast_str_make_space(str, len ? len : ast_str_strlen(*str) + 2);
        }
    }
    if (ast_str_size(*str) - ast_str_strlen(*str) >= 2) {
        int res = blacklist_read(chan, cmd, data, ast_str_buffer(*str) + ast_str_strlen(*str), 2);
        ast_str_update(*str);
        return res;
    }
    return -1;
}

References ast_str_buffer(), ast_str_make_space, ast_str_size(), ast_str_strlen(), ast_str_update(), blacklist_read(), len(), and str.

load_module()

static int load_module ( void  )

static

Definition at line 110 of file func_blacklist.c.

{
    return ast_custom_function_register(&blacklist_function);
}

References ast_custom_function_register, and blacklist_function.

unload_module()

static int unload_module ( void  )

static

Definition at line 105 of file func_blacklist.c.

{
    return ast_custom_function_unregister(&blacklist_function);
}

References ast_custom_function_unregister(), and blacklist_function.

Variable Documentation

__mod_info

struct ast_module_info __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_LOAD_ORDER , .description = "Look up Caller*ID name/number from blacklist database" , .key = ASTERISK_GPL_KEY , .buildopt_sum = AST_BUILDOPT_SUM, .load = load_module, .unload = unload_module, .load_pri = AST_MODPRI_DEFAULT, .support_level = AST_MODULE_SUPPORT_CORE, }

static

Definition at line 115 of file func_blacklist.c.

ast_module_info

const struct ast_module_info* ast_module_info = &__mod_info

static

Definition at line 115 of file func_blacklist.c.

blacklist_function

struct ast_custom_function blacklist_function

static

Initial value:

= {
    .name = "BLACKLIST",
    .read = blacklist_read,
    .read2 = blacklist_read2,
}

Definition at line 99 of file func_blacklist.c.

                                                       {
    .name = "BLACKLIST",
    .read = blacklist_read,
    .read2 = blacklist_read2,
};

Referenced by load_module(), and unload_module().