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128 lines
3.9 KiB
128 lines
3.9 KiB
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 2013, Digium, Inc.
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*
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* Mark Michelson <mmichelson@digium.com>
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*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2. See the LICENSE file
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* at the top of the source tree.
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*/
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#include "asterisk.h"
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#include <pjsip.h>
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#include <pjlib.h>
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#include "asterisk/res_pjsip.h"
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#include "asterisk/logger.h"
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#include "asterisk/sorcery.h"
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static void auth_destroy(void *obj)
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{
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struct ast_sip_auth *auth = obj;
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ast_string_field_free_memory(auth);
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}
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static void *auth_alloc(const char *name)
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{
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struct ast_sip_auth *auth = ast_sorcery_generic_alloc(sizeof(*auth), auth_destroy);
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if (!auth) {
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return NULL;
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}
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if (ast_string_field_init(auth, 64)) {
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ao2_cleanup(auth);
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return NULL;
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}
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return auth;
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}
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static int auth_type_handler(const struct aco_option *opt, struct ast_variable *var, void *obj)
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{
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struct ast_sip_auth *auth = obj;
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if (!strcasecmp(var->value, "userpass")) {
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auth->type = AST_SIP_AUTH_TYPE_USER_PASS;
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} else if (!strcasecmp(var->value, "md5")) {
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auth->type = AST_SIP_AUTH_TYPE_MD5;
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} else {
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ast_log(LOG_WARNING, "Unknown authentication storage type '%s' specified for %s\n",
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var->value, var->name);
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return -1;
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}
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return 0;
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}
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static int auth_apply(const struct ast_sorcery *sorcery, void *obj)
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{
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struct ast_sip_auth *auth = obj;
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int res = 0;
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if (ast_strlen_zero(auth->auth_user)) {
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ast_log(LOG_ERROR, "No authentication username for auth '%s'\n",
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ast_sorcery_object_get_id(auth));
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return -1;
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}
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switch (auth->type) {
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case AST_SIP_AUTH_TYPE_USER_PASS:
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if (ast_strlen_zero(auth->auth_pass)) {
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ast_log(LOG_ERROR, "'userpass' authentication specified but no"
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"password specified for auth '%s'\n", ast_sorcery_object_get_id(auth));
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res = -1;
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}
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break;
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case AST_SIP_AUTH_TYPE_MD5:
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if (ast_strlen_zero(auth->md5_creds)) {
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ast_log(LOG_ERROR, "'md5' authentication specified but no md5_cred"
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"specified for auth '%s'\n", ast_sorcery_object_get_id(auth));
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res = -1;
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} else if (strlen(auth->md5_creds) != PJSIP_MD5STRLEN) {
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ast_log(LOG_ERROR, "'md5' authentication requires digest of size '%d', but"
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"digest is '%d' in size for auth '%s'\n", PJSIP_MD5STRLEN, (int)strlen(auth->md5_creds),
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ast_sorcery_object_get_id(auth));
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res = -1;
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}
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break;
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case AST_SIP_AUTH_TYPE_ARTIFICIAL:
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break;
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}
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return res;
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}
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/*! \brief Initialize sorcery with auth support */
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int ast_sip_initialize_sorcery_auth(struct ast_sorcery *sorcery)
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{
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ast_sorcery_apply_default(sorcery, SIP_SORCERY_AUTH_TYPE, "config", "pjsip.conf,criteria=type=auth");
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if (ast_sorcery_object_register(sorcery, SIP_SORCERY_AUTH_TYPE, auth_alloc, NULL, auth_apply)) {
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return -1;
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}
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ast_sorcery_object_field_register(sorcery, SIP_SORCERY_AUTH_TYPE, "type", "",
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OPT_NOOP_T, 0, 0);
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ast_sorcery_object_field_register(sorcery, SIP_SORCERY_AUTH_TYPE, "username",
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"", OPT_STRINGFIELD_T, 0, STRFLDSET(struct ast_sip_auth, auth_user));
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ast_sorcery_object_field_register(sorcery, SIP_SORCERY_AUTH_TYPE, "password",
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"", OPT_STRINGFIELD_T, 0, STRFLDSET(struct ast_sip_auth, auth_pass));
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ast_sorcery_object_field_register(sorcery, SIP_SORCERY_AUTH_TYPE, "md5_cred",
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"", OPT_STRINGFIELD_T, 0, STRFLDSET(struct ast_sip_auth, md5_creds));
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ast_sorcery_object_field_register(sorcery, SIP_SORCERY_AUTH_TYPE, "realm",
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"", OPT_STRINGFIELD_T, 0, STRFLDSET(struct ast_sip_auth, realm));
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ast_sorcery_object_field_register(sorcery, SIP_SORCERY_AUTH_TYPE, "nonce_lifetime",
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"32", OPT_UINT_T, 0, FLDSET(struct ast_sip_auth, nonce_lifetime));
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ast_sorcery_object_field_register_custom(sorcery, SIP_SORCERY_AUTH_TYPE, "auth_type",
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"userpass", auth_type_handler, NULL, 0, 0);
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return 0;
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}
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