res_pjsip_endpoint_identifier_anonymous.c File Reference

#include "asterisk.h"
#include <pjsip.h>
#include "asterisk/res_pjsip.h"
#include "asterisk/module.h"

Include dependency graph for res_pjsip_endpoint_identifier_anonymous.c:

Go to the source code of this file.

Macros
#define	DOMAIN_NAME_LEN   255

Functions
static void	__reg_module (void)
static void	__unreg_module (void)
static struct ast_sip_endpoint *	anonymous_identify (pjsip_rx_data *rdata)
struct ast_module *	AST_MODULE_SELF_SYM (void)
static int	find_transport_state_in_use (void *obj, void *arg, int flags)
static int	get_endpoint_details (pjsip_rx_data *rdata, char *domain, size_t domain_size)
static int	load_module (void)
static int	unload_module (void)

Variables
static struct ast_module_info	__mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_DEFAULT , .description = "PJSIP Anonymous endpoint identifier" , .key = ASTERISK_GPL_KEY , .buildopt_sum = AST_BUILDOPT_SUM, .support_level = AST_MODULE_SUPPORT_CORE, .load = load_module, .unload = unload_module, .requires = "res_pjsip", }
static struct ast_sip_endpoint_identifier	anonymous_identifier
static const struct ast_module_info *	ast_module_info = &__mod_info

Macro Definition Documentation

DOMAIN_NAME_LEN

#define DOMAIN_NAME_LEN   255

Definition at line 58 of file res_pjsip_endpoint_identifier_anonymous.c.

Function Documentation

__reg_module()

static void __reg_module ( void  )

static

Definition at line 142 of file res_pjsip_endpoint_identifier_anonymous.c.

__unreg_module()

static void __unreg_module ( void  )

static

Definition at line 142 of file res_pjsip_endpoint_identifier_anonymous.c.

anonymous_identify()

static struct ast_sip_endpoint * anonymous_identify ( pjsip_rx_data *  rdata )

static

Definition at line 60 of file res_pjsip_endpoint_identifier_anonymous.c.

{
    char domain_name[DOMAIN_NAME_LEN + 1];
    struct ast_sip_endpoint *endpoint;
 
    if (get_endpoint_details(rdata, domain_name, sizeof(domain_name))) {
        return NULL;
    }
 
    if (!ast_sip_get_disable_multi_domain()) {
        struct ast_sip_domain_alias *alias;
        struct ao2_container *transport_states;
        struct ast_sip_transport_state *transport_state = NULL;
        struct ast_sip_transport *transport = NULL;
        char id[sizeof("anonymous@") + DOMAIN_NAME_LEN];
 
        /* Attempt to find the endpoint given the name and domain provided */
        snprintf(id, sizeof(id), "anonymous@%s", domain_name);
        endpoint = ast_sorcery_retrieve_by_id(ast_sip_get_sorcery(), "endpoint", id);
        if (endpoint) {
            goto done;
        }
 
        /* See if an alias exists for the domain provided */
        alias = ast_sorcery_retrieve_by_id(ast_sip_get_sorcery(), "domain_alias",
            domain_name);
        if (alias) {
            snprintf(id, sizeof(id), "anonymous@%s", alias->domain);
            ao2_ref(alias, -1);
            endpoint = ast_sorcery_retrieve_by_id(ast_sip_get_sorcery(), "endpoint", id);
            if (endpoint) {
                goto done;
            }
        }
 
        /* See if the transport this came in on has a provided domain */
        if ((transport_states = ast_sip_get_transport_states())
            && (transport_state = ao2_callback(transport_states, 0, find_transport_state_in_use, rdata))
            && (transport = ast_sorcery_retrieve_by_id(ast_sip_get_sorcery(), "transport", transport_state->id))
            && !ast_strlen_zero(transport->domain)) {
            snprintf(id, sizeof(id), "anonymous@%s", transport->domain);
            endpoint = ast_sorcery_retrieve_by_id(ast_sip_get_sorcery(), "endpoint", id);
        }
        ao2_cleanup(transport);
        ao2_cleanup(transport_state);
        ao2_cleanup(transport_states);
        if (endpoint) {
            goto done;
        }
    }
 
    /* Fall back to no domain */
    endpoint = ast_sorcery_retrieve_by_id(ast_sip_get_sorcery(), "endpoint", "anonymous");
 
done:
    if (endpoint) {
        ast_debug(3, "Retrieved anonymous endpoint '%s'\n", ast_sorcery_object_get_id(endpoint));
    }
    return endpoint;
}

References ao2_callback, ao2_cleanup, ao2_ref, ast_debug, ast_sip_get_disable_multi_domain(), ast_sip_get_sorcery(), ast_sip_get_transport_states(), ast_sorcery_object_get_id(), ast_sorcery_retrieve_by_id(), ast_strlen_zero(), ast_sip_transport::domain, ast_sip_domain_alias::domain, DOMAIN_NAME_LEN, done, find_transport_state_in_use(), get_endpoint_details(), ast_sip_transport_state::id, NULL, and transport_states.

AST_MODULE_SELF_SYM()

struct ast_module * AST_MODULE_SELF_SYM

(

void

)

Definition at line 142 of file res_pjsip_endpoint_identifier_anonymous.c.

find_transport_state_in_use()

static int find_transport_state_in_use ( void *  obj, void *  arg, int  flags  )

static

Definition at line 43 of file res_pjsip_endpoint_identifier_anonymous.c.

{
    struct ast_sip_transport_state *transport_state = obj;
    pjsip_rx_data *rdata = arg;
 
    if (transport_state->transport == rdata->tp_info.transport
        || (transport_state->factory
            && !pj_strcmp(&transport_state->factory->addr_name.host, &rdata->tp_info.transport->local_name.host)
            && transport_state->factory->addr_name.port == rdata->tp_info.transport->local_name.port)) {
        return CMP_MATCH;
    }
 
    return 0;
}

References CMP_MATCH, ast_sip_transport_state::factory, and ast_sip_transport_state::transport.

Referenced by anonymous_identify().

get_endpoint_details()

static int get_endpoint_details ( pjsip_rx_data *  rdata, char *  domain, size_t  domain_size  )

static

Definition at line 33 of file res_pjsip_endpoint_identifier_anonymous.c.

{
    pjsip_uri *from = rdata->msg_info.from->uri;
    if (!ast_sip_is_uri_sip_sips(from)) {
        return -1;
    }
    ast_copy_pj_str(domain, ast_sip_pjsip_uri_get_hostname(from), domain_size);
    return 0;
}

References ast_copy_pj_str(), ast_sip_is_uri_sip_sips(), and ast_sip_pjsip_uri_get_hostname().

Referenced by anonymous_identify().

load_module()

static int load_module ( void  )

static

Definition at line 125 of file res_pjsip_endpoint_identifier_anonymous.c.

{
    ast_sip_register_endpoint_identifier_with_name(&anonymous_identifier, "anonymous");
    return AST_MODULE_LOAD_SUCCESS;
}

References anonymous_identifier, AST_MODULE_LOAD_SUCCESS, and ast_sip_register_endpoint_identifier_with_name().

unload_module()

static int unload_module ( void  )

static

Definition at line 131 of file res_pjsip_endpoint_identifier_anonymous.c.

{
    ast_sip_unregister_endpoint_identifier(&anonymous_identifier);
    return 0;
}

References anonymous_identifier, and ast_sip_unregister_endpoint_identifier().

Variable Documentation

__mod_info

struct ast_module_info __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_DEFAULT , .description = "PJSIP Anonymous endpoint identifier" , .key = ASTERISK_GPL_KEY , .buildopt_sum = AST_BUILDOPT_SUM, .support_level = AST_MODULE_SUPPORT_CORE, .load = load_module, .unload = unload_module, .requires = "res_pjsip", }

static

Definition at line 142 of file res_pjsip_endpoint_identifier_anonymous.c.

anonymous_identifier

struct ast_sip_endpoint_identifier anonymous_identifier

static

Initial value:

= {
    .identify_endpoint = anonymous_identify,
}

Definition at line 121 of file res_pjsip_endpoint_identifier_anonymous.c.

                                                                 {
    .identify_endpoint = anonymous_identify,
};

Referenced by load_module(), and unload_module().

ast_module_info

const struct ast_module_info* ast_module_info = &__mod_info

static

Definition at line 142 of file res_pjsip_endpoint_identifier_anonymous.c.