app_authenticate.c File Reference
Execute arbitrary authenticate commands. More...
#include "asterisk.h"#include "asterisk/lock.h"#include "asterisk/file.h"#include "asterisk/channel.h"#include "asterisk/pbx.h"#include "asterisk/module.h"#include "asterisk/app.h"#include "asterisk/astdb.h"#include "asterisk/utils.h"
Include dependency graph for app_authenticate.c:
Go to the source code of this file.
Enumerations | |
| enum | { OPT_ACCOUNT = (1 << 0), OPT_DATABASE = (1 << 1), OPT_MULTIPLE = (1 << 3), OPT_REMOVE = (1 << 4) } |
Functions | |
| static void | __reg_module (void) |
| static void | __unreg_module (void) |
| static int | auth_exec (struct ast_channel *chan, const char *data) |
| 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 = "Authentication Application" , .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, .load = load_module, .unload = unload_module, .load_pri = AST_MODPRI_DEFAULT, } |
| static const char | app [] = "Authenticate" |
| static struct ast_module_info * | ast_module_info = &__mod_info |
| static struct ast_app_option | auth_app_options [128] = { [ 'a' ] = { .flag = OPT_ACCOUNT }, [ 'd' ] = { .flag = OPT_DATABASE }, [ 'm' ] = { .flag = OPT_MULTIPLE }, [ 'r' ] = { .flag = OPT_REMOVE },} |
Detailed Description
Execute arbitrary authenticate commands.
Definition in file app_authenticate.c.
Enumeration Type Documentation
| anonymous enum |
Definition at line 45 of file app_authenticate.c.
{
OPT_ACCOUNT = (1 << 0),
OPT_DATABASE = (1 << 1),
OPT_MULTIPLE = (1 << 3),
OPT_REMOVE = (1 << 4),
};
Function Documentation
| static void __reg_module | ( | void | ) | [static] |
Definition at line 279 of file app_authenticate.c.
| static void __unreg_module | ( | void | ) | [static] |
Definition at line 279 of file app_authenticate.c.
| static int auth_exec | ( | struct ast_channel * | chan, |
| const char * | data | ||
| ) | [static] |
Definition at line 118 of file app_authenticate.c.
References ast_channel::_state, ast_answer(), AST_APP_ARG, ast_app_getdata(), ast_app_parse_options(), ast_cdr_setaccount(), ast_channel_lock, ast_channel_unlock, ast_db_del(), ast_db_get(), AST_DECLARE_APP_ARGS, ast_log(), ast_md5_hash(), AST_STANDARD_APP_ARGS, AST_STATE_UP, ast_strdupa, ast_streamfile(), ast_strlen_zero(), ast_test_flag, ast_waitstream(), auth_app_options, errno, f, ast_channel::language, len(), LOG_WARNING, OPT_ACCOUNT, OPT_DATABASE, OPT_MULTIPLE, OPT_REMOVE, prompt, and strsep().
Referenced by load_module().
{
int res = 0, retries, maxdigits;
char passwd[256], *prompt = "agent-pass", *argcopy = NULL;
struct ast_flags flags = {0};
AST_DECLARE_APP_ARGS(arglist,
AST_APP_ARG(password);
AST_APP_ARG(options);
AST_APP_ARG(maxdigits);
AST_APP_ARG(prompt);
);
if (ast_strlen_zero(data)) {
ast_log(LOG_WARNING, "Authenticate requires an argument(password)\n");
return -1;
}
if (chan->_state != AST_STATE_UP) {
if ((res = ast_answer(chan)))
return -1;
}
argcopy = ast_strdupa(data);
AST_STANDARD_APP_ARGS(arglist, argcopy);
if (!ast_strlen_zero(arglist.options))
ast_app_parse_options(auth_app_options, &flags, NULL, arglist.options);
if (!ast_strlen_zero(arglist.maxdigits)) {
maxdigits = atoi(arglist.maxdigits);
if ((maxdigits<1) || (maxdigits>sizeof(passwd)-2))
maxdigits = sizeof(passwd) - 2;
} else {
maxdigits = sizeof(passwd) - 2;
}
if (!ast_strlen_zero(arglist.prompt)) {
prompt = arglist.prompt;
} else {
prompt = "agent-pass";
}
/* Start asking for password */
for (retries = 0; retries < 3; retries++) {
if ((res = ast_app_getdata(chan, prompt, passwd, maxdigits, 0)) < 0)
break;
res = 0;
if (arglist.password[0] != '/') {
/* Compare against a fixed password */
if (!strcmp(passwd, arglist.password))
break;
} else if (ast_test_flag(&flags,OPT_DATABASE)) {
char tmp[256];
/* Compare against a database key */
if (!ast_db_get(arglist.password + 1, passwd, tmp, sizeof(tmp))) {
/* It's a good password */
if (ast_test_flag(&flags,OPT_REMOVE))
ast_db_del(arglist.password + 1, passwd);
break;
}
} else {
/* Compare against a file */
FILE *f;
char buf[256] = "", md5passwd[33] = "", *md5secret = NULL;
if (!(f = fopen(arglist.password, "r"))) {
ast_log(LOG_WARNING, "Unable to open file '%s' for authentication: %s\n", arglist.password, strerror(errno));
continue;
}
for (;;) {
size_t len;
if (feof(f))
break;
if (!fgets(buf, sizeof(buf), f)) {
continue;
}
if (ast_strlen_zero(buf))
continue;
len = strlen(buf) - 1;
if (buf[len] == '\n')
buf[len] = '\0';
if (ast_test_flag(&flags, OPT_MULTIPLE)) {
md5secret = buf;
strsep(&md5secret, ":");
if (!md5secret)
continue;
ast_md5_hash(md5passwd, passwd);
if (!strcmp(md5passwd, md5secret)) {
if (ast_test_flag(&flags,OPT_ACCOUNT)) {
ast_channel_lock(chan);
ast_cdr_setaccount(chan, buf);
ast_channel_unlock(chan);
}
break;
}
} else {
if (!strcmp(passwd, buf)) {
if (ast_test_flag(&flags, OPT_ACCOUNT)) {
ast_channel_lock(chan);
ast_cdr_setaccount(chan, buf);
ast_channel_unlock(chan);
}
break;
}
}
}
fclose(f);
if (!ast_strlen_zero(buf)) {
if (ast_test_flag(&flags, OPT_MULTIPLE)) {
if (md5secret && !strcmp(md5passwd, md5secret))
break;
} else {
if (!strcmp(passwd, buf))
break;
}
}
}
prompt = "auth-incorrect";
}
if ((retries < 3) && !res) {
if (ast_test_flag(&flags,OPT_ACCOUNT) && !ast_test_flag(&flags,OPT_MULTIPLE)) {
ast_channel_lock(chan);
ast_cdr_setaccount(chan, passwd);
ast_channel_unlock(chan);
}
if (!(res = ast_streamfile(chan, "auth-thankyou", chan->language)))
res = ast_waitstream(chan, "");
} else {
if (!ast_streamfile(chan, "vm-goodbye", chan->language))
res = ast_waitstream(chan, "");
res = -1;
}
return res;
}
| static int load_module | ( | void | ) | [static] |
Definition at line 272 of file app_authenticate.c.
References AST_MODULE_LOAD_FAILURE, AST_MODULE_LOAD_SUCCESS, ast_register_application_xml, and auth_exec().
{
if (ast_register_application_xml(app, auth_exec))
return AST_MODULE_LOAD_FAILURE;
return AST_MODULE_LOAD_SUCCESS;
}
| static int unload_module | ( | void | ) | [static] |
Definition at line 267 of file app_authenticate.c.
References ast_unregister_application().
{
return ast_unregister_application(app);
}
Variable Documentation
struct ast_module_info __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_LOAD_ORDER , .description = "Authentication Application" , .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, .load = load_module, .unload = unload_module, .load_pri = AST_MODPRI_DEFAULT, } [static] |
Definition at line 279 of file app_authenticate.c.
const char app[] = "Authenticate" [static] |
Definition at line 60 of file app_authenticate.c.
struct ast_module_info* ast_module_info = &__mod_info [static] |
Definition at line 279 of file app_authenticate.c.
struct ast_app_option auth_app_options[128] = { [ 'a' ] = { .flag = OPT_ACCOUNT }, [ 'd' ] = { .flag = OPT_DATABASE }, [ 'm' ] = { .flag = OPT_MULTIPLE }, [ 'r' ] = { .flag = OPT_REMOVE },} [static] |
Definition at line 57 of file app_authenticate.c.
Referenced by auth_exec().
