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Localize and rename ACL configuration.

Browse Source 
This is more-or-less a reversion of previous ACL behavior so that
it is more self-contained. ACL sections are now only parsed if res_pjsip_acl.so
is loaded. Moreover, the configuration section is now "type=acl" instead of
"type=security".

The original reason for having ACLs configured in a "type=security" section
was to lump ACLs and other security-related items into the same section. The
problem is that ACLs really should be in their own sections and there are
no other security-related options implemented anyways.



git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@397193 65c4cc65-6c06-0410-ace0-fbb531ad65f3
changes/78/78/1
Mark Michelson 12 years ago
parent b6faaf85e3
commit 5caa938be2
4 changed files with 64 additions and 121 deletions
Show Stats Download Patch File Download Diff File

21
include/asterisk/res_pjsip.h
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@ -665,17 +665,6 @@ struct ast_sip_endpoint_identifier {
struct ast_sip_endpoint *(*identify_endpoint)(pjsip_rx_data *rdata);
};
#define SIP_SORCERY_SECURITY_TYPE "security"
/*!
* \brief SIP security details and configuration.
*/
struct ast_sip_security {
SORCERY_OBJECT(details);
struct ast_acl_list *acl;
struct ast_acl_list *contact_acl;
};
/*!
* \brief Register a SIP service in Asterisk.
*
@ -972,16 +961,6 @@ int ast_sip_initialize_sorcery_domain_alias(struct ast_sorcery *sorcery);
*/
int ast_sip_initialize_sorcery_auth(struct ast_sorcery *sorcery);
/*!
* \brief Initialize security support on a sorcery instance
*
* \param sorcery The sorcery instance
*
* \retval -1 failure
* \retval 0 success
*/
int ast_sip_initialize_sorcery_security(struct ast_sorcery *sorcery);
/*!
* \brief Callback called when an outbound request with authentication credentials is to be sent in dialog
*

88
res/res_pjsip/config_security.c
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@ -1,88 +0,0 @@
/*
* Asterisk -- An open source telephony toolkit.
*
* Copyright (C) 2013, Digium, Inc.
*
* Mark Michelson <mmichelson@digium.com>
* Kevin Harwell <kharwell@digium.com>
*
* See http://www.asterisk.org for more information about
* the Asterisk project. Please do not directly contact
* any of the maintainers of this project for assistance;
* the project provides a web site, mailing lists and IRC
* channels for your use.
*
* This program is free software, distributed under the terms of
* the GNU General Public License Version 2. See the LICENSE file
* at the top of the source tree.
*/
/*** MODULEINFO
<depend>pjproject</depend>
<depend>res_pjsip</depend>
<support_level>core</support_level>
***/
#include "asterisk.h"
#include <pjsip.h>
#include "asterisk/res_pjsip.h"
#include "asterisk/logger.h"
#include "asterisk/sorcery.h"
#include "asterisk/acl.h"
static int acl_handler(const struct aco_option *opt, struct ast_variable *var, void *obj)
{
struct ast_sip_security *security = obj;
int error = 0;
int ignore;
if (!strncmp(var->name, "contact", 7)) {
ast_append_acl(var->name + 7, var->value, &security->contact_acl, &error, &ignore);
} else {
ast_append_acl(var->name, var->value, &security->acl, &error, &ignore);
}
return error;
}
static void security_destroy(void *obj)
{
struct ast_sip_security *security = obj;
security->acl = ast_free_acl_list(security->acl);
security->contact_acl = ast_free_acl_list(security->contact_acl);
}
static void *security_alloc(const char *name)
{
struct ast_sip_security *security =
ast_sorcery_generic_alloc(sizeof(*security), security_destroy);
if (!security) {
return NULL;
}
return security;
}
int ast_sip_initialize_sorcery_security(struct ast_sorcery *sorcery)
{
ast_sorcery_apply_default(sorcery, SIP_SORCERY_SECURITY_TYPE,
"config", "pjsip.conf,criteria=type=security");
if (ast_sorcery_object_register(sorcery, SIP_SORCERY_SECURITY_TYPE,
security_alloc, NULL, NULL)) {
ast_log(LOG_ERROR, "Failed to register SIP %s object with sorcery\n",
SIP_SORCERY_SECURITY_TYPE);
return -1;
}
ast_sorcery_object_field_register(sorcery, SIP_SORCERY_SECURITY_TYPE, "type", "", OPT_NOOP_T, 0, 0);
ast_sorcery_object_field_register_custom(sorcery, SIP_SORCERY_SECURITY_TYPE, "permit", "", acl_handler, NULL, 0, 0);
ast_sorcery_object_field_register_custom(sorcery, SIP_SORCERY_SECURITY_TYPE, "deny", "", acl_handler, NULL, 0, 0);
ast_sorcery_object_field_register_custom(sorcery, SIP_SORCERY_SECURITY_TYPE, "acl", "", acl_handler, NULL, 0, 0);
ast_sorcery_object_field_register_custom(sorcery, SIP_SORCERY_SECURITY_TYPE, "contactpermit", "", acl_handler, NULL, 0, 0);
ast_sorcery_object_field_register_custom(sorcery, SIP_SORCERY_SECURITY_TYPE, "contactdeny", "", acl_handler, NULL, 0, 0);
ast_sorcery_object_field_register_custom(sorcery, SIP_SORCERY_SECURITY_TYPE, "contactacl", "", acl_handler, NULL, 0, 0);
return 0;
}

7
res/res_pjsip/pjsip_configuration.c
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@ -740,13 +740,6 @@ int ast_res_pjsip_initialize_configuration(void)
return -1;
}
if (ast_sip_initialize_sorcery_security(sip_sorcery)) {
ast_log(LOG_ERROR, "Failed to register SIP security support\n");
ast_sorcery_unref(sip_sorcery);
sip_sorcery = NULL;
return -1;
}
if (ast_sip_initialize_sorcery_global(sip_sorcery)) {
ast_log(LOG_ERROR, "Failed to register SIP Global support\n");
ast_sorcery_unref(sip_sorcery);

69
res/res_pjsip_acl.c
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@ -153,13 +153,24 @@ static int apply_contact_acl(pjsip_rx_data *rdata, struct ast_acl_list *contact_
return forbidden;
}
#define SIP_SORCERY_ACL_TYPE "acl"
/*!
* \brief SIP ACL details and configuration.
*/
struct ast_sip_acl {
SORCERY_OBJECT(details);
struct ast_acl_list *acl;
struct ast_acl_list *contact_acl;
};
static int check_acls(void *obj, void *arg, int flags)
{
struct ast_sip_security *security = obj;
struct ast_sip_acl *sip_acl = obj;
pjsip_rx_data *rdata = arg;
if (apply_acl(rdata, security->acl) ||
apply_contact_acl(rdata, security->contact_acl)) {
if (apply_acl(rdata, sip_acl->acl) ||
apply_contact_acl(rdata, sip_acl->contact_acl)) {
return CMP_MATCH | CMP_STOP;
}
return 0;
@ -168,9 +179,9 @@ static int check_acls(void *obj, void *arg, int flags)
static pj_bool_t acl_on_rx_msg(pjsip_rx_data *rdata)
{
RAII_VAR(struct ao2_container *, acls, ast_sorcery_retrieve_by_fields(
ast_sip_get_sorcery(), SIP_SORCERY_SECURITY_TYPE,
ast_sip_get_sorcery(), SIP_SORCERY_ACL_TYPE,
AST_RETRIEVE_FLAG_MULTIPLE | AST_RETRIEVE_FLAG_ALL, NULL), ao2_cleanup);
RAII_VAR(struct ast_sip_security *, matched_acl, NULL, ao2_cleanup);
RAII_VAR(struct ast_sip_acl *, matched_acl, NULL, ao2_cleanup);
if (!acls) {
ast_log(LOG_ERROR, "Unable to retrieve ACL sorcery data\n");
@ -187,6 +198,20 @@ static pj_bool_t acl_on_rx_msg(pjsip_rx_data *rdata)
return PJ_FALSE;
}
static int acl_handler(const struct aco_option *opt, struct ast_variable *var, void *obj)
{
struct ast_sip_acl *sip_acl = obj;
int error = 0;
int ignore;
if (!strncmp(var->name, "contact", 7)) {
ast_append_acl(var->name + 7, var->value, &sip_acl->contact_acl, &error, &ignore);
} else {
ast_append_acl(var->name, var->value, &sip_acl->acl, &error, &ignore);
}
return error;
}
static pjsip_module acl_module = {
.name = { "ACL Module", 14 },
/* This should run after a logger but before anything else */
@ -194,8 +219,42 @@ static pjsip_module acl_module = {
.on_rx_request = acl_on_rx_msg,
};
static void acl_destroy(void *obj)
{
struct ast_sip_acl *sip_acl = obj;
sip_acl->acl = ast_free_acl_list(sip_acl->acl);
sip_acl->contact_acl = ast_free_acl_list(sip_acl->contact_acl);
}
static void *acl_alloc(const char *name)
{
struct ast_sip_acl *sip_acl =
ast_sorcery_generic_alloc(sizeof(*sip_acl), acl_destroy);
return sip_acl;
}
static int load_module(void)
{
ast_sorcery_apply_default(ast_sip_get_sorcery(), SIP_SORCERY_ACL_TYPE,
"config", "pjsip.conf,criteria=type=acl");
if (ast_sorcery_object_register(ast_sip_get_sorcery(), SIP_SORCERY_ACL_TYPE,
acl_alloc, NULL, NULL)) {
ast_log(LOG_ERROR, "Failed to register SIP %s object with sorcery\n",
SIP_SORCERY_ACL_TYPE);
return AST_MODULE_LOAD_DECLINE;
}
ast_sorcery_object_field_register(ast_sip_get_sorcery(), SIP_SORCERY_ACL_TYPE, "type", "", OPT_NOOP_T, 0, 0);
ast_sorcery_object_field_register_custom(ast_sip_get_sorcery(), SIP_SORCERY_ACL_TYPE, "permit", "", acl_handler, NULL, 0, 0);
ast_sorcery_object_field_register_custom(ast_sip_get_sorcery(), SIP_SORCERY_ACL_TYPE, "deny", "", acl_handler, NULL, 0, 0);
ast_sorcery_object_field_register_custom(ast_sip_get_sorcery(), SIP_SORCERY_ACL_TYPE, "acl", "", acl_handler, NULL, 0, 0);
ast_sorcery_object_field_register_custom(ast_sip_get_sorcery(), SIP_SORCERY_ACL_TYPE, "contactpermit", "", acl_handler, NULL, 0, 0);
ast_sorcery_object_field_register_custom(ast_sip_get_sorcery(), SIP_SORCERY_ACL_TYPE, "contactdeny", "", acl_handler, NULL, 0, 0);
ast_sorcery_object_field_register_custom(ast_sip_get_sorcery(), SIP_SORCERY_ACL_TYPE, "contactacl", "", acl_handler, NULL, 0, 0);
ast_sip_register_service(&acl_module);
return AST_MODULE_LOAD_SUCCESS;
}

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