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a330d0867e
Sorcery specific object information is now opaque and allocated with the object. This means that modules do not need to be recompiled if the sorcery specific part is changed. It also means that sorcery can store additional information on objects and ensure it is freed or the reference count decreased when the object goes away. To facilitate the above a generic sorcery allocator function has been added which also ensures that allocated objects do not have a lock. Extended fields have been added thanks to all of the above which allows specific fields to be marked as extended, and thus simply stored as-is within the object. Type safety is *NOT* enforced on these fields. A consumer of them has to query and ultimately perform their own safety check. What does this mean? Extra modules can extend already defined structures without having to modify them. Tests have also been included to verify extended field functionality. Review: https://reviewboard.asterisk.org/r/2585/ git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@392586 65c4cc65-6c06-0410-ace0-fbb531ad65f3
121 lines
3.6 KiB
C
121 lines
3.6 KiB
C
/*
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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_sip.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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}
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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", "res_sip.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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"asterisk", 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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