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who sucks more NAT or cheap SIP device makers 

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@8494 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Anthony Minessale 2008-05-20 19:09:09 +00:00
parent db3f7207e0
commit 515e36f568
4 changed files with 49 additions and 30 deletions
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12
src/mod/endpoints/mod_sofia/mod_sofia.c
View File

@ -985,22 +985,12 @@ static switch_status_t sofia_receive_message(switch_core_session_t *session, swi
if (code == 407 && !msg->numeric_arg) {
const char *to_uri = switch_channel_get_variable(channel, "sip_to_uri");
const char *to_host = reason;
const char *val;
const char *sticky = NULL;
if (switch_test_flag(tech_pvt, TFLAG_NAT) ||
(val = switch_channel_get_variable(channel, "sip-force-contact")) ||
((val = switch_channel_get_variable(channel, "sip_sticky_contact")) && switch_true(val))) {
sticky = tech_pvt->record_route;
switch_channel_set_variable(channel, "sip_nat_detected", "true");
}
if (switch_strlen_zero(to_host)) {
to_host = switch_channel_get_variable(channel, "sip_to_host");
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Challenging call %s\n", to_uri);
sofia_reg_auth_challange(NULL, tech_pvt->profile, tech_pvt->nh, REG_INVITE, to_host, 0, sticky);
sofia_reg_auth_challange(NULL, tech_pvt->profile, tech_pvt->nh, REG_INVITE, to_host, 0, NULL);
switch_channel_hangup(channel, SWITCH_CAUSE_USER_CHALLENGE);
} else if (code == 484 && msg->numeric_arg) {
const char *to = switch_channel_get_variable(channel, "sip_to_uri");

5
src/mod/endpoints/mod_sofia/mod_sofia.h
View File

@ -518,7 +518,7 @@ void sofia_presence_event_handler(switch_event_t *event);
void sofia_presence_mwi_event_handler(switch_event_t *event);
void sofia_presence_cancel(void);
switch_status_t config_sofia(int reload, char *profile_name);
void sofia_reg_auth_challange(nua_t *nua, sofia_profile_t *profile, nua_handle_t *nh, sofia_regtype_t regtype, const char *realm, int stale, const char *sticky);
void sofia_reg_auth_challange(nua_t *nua, sofia_profile_t *profile, nua_handle_t *nh, sofia_regtype_t regtype, const char *realm, int stale, const char *new_via);
auth_res_t sofia_reg_parse_auth(sofia_profile_t *profile, sip_authorization_t const *authorization, sip_t const *sip, const char *regstr,
char *np, size_t nplen, char *ip, switch_event_t **v_event, long exptime, sofia_regtype_t regtype, const char *to_user);
@ -555,7 +555,7 @@ int sofia_glue_get_user_host(char *in, char **user, char **host);
switch_call_cause_t sofia_glue_sip_cause_to_freeswitch(int status);
void sofia_glue_do_xfer_invite(switch_core_session_t *session);
uint8_t sofia_reg_handle_register(nua_t *nua, sofia_profile_t *profile, nua_handle_t *nh, sip_t const *sip,
sofia_regtype_t regtype, char *key, uint32_t keylen, switch_event_t **v_event, const char *sticky);
sofia_regtype_t regtype, char *key, uint32_t keylen, switch_event_t **v_event, const char *new_via);
extern switch_endpoint_interface_t *sofia_endpoint_interface;
void sofia_presence_set_chat_hash(private_object_t *tech_pvt, sip_t const *sip);
switch_status_t sofia_on_hangup(switch_core_session_t *session);
@ -634,3 +634,4 @@ void sofia_glue_tech_patch_sdp(private_object_t *tech_pvt);
switch_status_t sofia_glue_tech_proxy_remote_addr(private_object_t *tech_pvt);
void sofia_presence_event_thread_start(void);
void sofia_reg_expire_call_id(sofia_profile_t *profile, const char *call_id);
char *sofia_glue_hack_via(sofia_profile_t *profile, sip_t const *sip, int network_port);

26
src/mod/endpoints/mod_sofia/sofia_glue.c
View File

@ -463,6 +463,32 @@ switch_status_t sofia_glue_ext_address_lookup(char **ip, switch_port_t *port, ch
}
char *sofia_glue_hack_via(sofia_profile_t *profile, sip_t const *sip, int network_port)
{
char *full_via, *p, *new_via = NULL;
if (sip->sip_via) {
full_via = sip_header_as_string(profile->home, (void *) sip->sip_via);
if ((p = (char *)switch_stristr("rport=", full_via))) {
*p = '\0';
p--;
}
p = end_of_p(full_via);
if (*p == ';') {
*p = '\0';
}
new_via = switch_mprintf("%s;rport=%d", full_via, network_port);
su_free(profile->home, full_via);
}
return new_via;
}
const char *sofia_glue_get_unknown_header(sip_t const *sip, const char *name)
{
sip_unknown_t *un;

36
src/mod/endpoints/mod_sofia/sofia_reg.c
View File

@ -381,7 +381,7 @@ char *sofia_reg_find_reg_url(sofia_profile_t *profile, const char *user, const c
}
void sofia_reg_auth_challange(nua_t *nua, sofia_profile_t *profile, nua_handle_t *nh, sofia_regtype_t regtype, const char *realm, int stale, const char *sticky)
void sofia_reg_auth_challange(nua_t *nua, sofia_profile_t *profile, nua_handle_t *nh, sofia_regtype_t regtype, const char *realm, int stale, const char *new_via)
{
switch_uuid_t uuid;
char uuid_str[SWITCH_UUID_FORMATTED_LENGTH + 1];
@ -403,12 +403,12 @@ void sofia_reg_auth_challange(nua_t *nua, sofia_profile_t *profile, nua_handle_t
if (regtype == REG_REGISTER) {
nua_respond(nh,
SIP_401_UNAUTHORIZED,
TAG_IF(sticky, NUTAG_PROXY(sticky)),
TAG_IF(new_via, SIPTAG_VIA((void *)-1)), TAG_IF(new_via, SIPTAG_VIA_STR(new_via)),
TAG_IF(nua, NUTAG_WITH_THIS(nua)), SIPTAG_WWW_AUTHENTICATE_STR(auth_str), TAG_END());
} else if (regtype == REG_INVITE) {
nua_respond(nh,
SIP_407_PROXY_AUTH_REQUIRED,
TAG_IF(sticky, NUTAG_PROXY(sticky)),
TAG_IF(new_via, SIPTAG_VIA((void *)-1)), TAG_IF(new_via, SIPTAG_VIA_STR(new_via)),
TAG_IF(nua, NUTAG_WITH_THIS(nua)), SIPTAG_PROXY_AUTHENTICATE_STR(auth_str), TAG_END());
}
@ -416,7 +416,7 @@ void sofia_reg_auth_challange(nua_t *nua, sofia_profile_t *profile, nua_handle_t
}
uint8_t sofia_reg_handle_register(nua_t * nua, sofia_profile_t *profile, nua_handle_t * nh, sip_t const *sip, sofia_regtype_t regtype, char *key,
uint32_t keylen, switch_event_t **v_event, const char *sticky)
uint32_t keylen, switch_event_t **v_event, const char *new_via)
{
sip_to_t const *to = NULL;
sip_expires_t const *expires = NULL;
@ -567,12 +567,12 @@ uint8_t sofia_reg_handle_register(nua_t * nua, sofia_profile_t *profile, nua_han
if (auth_res == AUTH_FORBIDDEN) {
nua_respond(nh,
SIP_403_FORBIDDEN,
TAG_IF(sticky, NUTAG_PROXY(sticky)),
TAG_IF(new_via, SIPTAG_VIA((void *)-1)), TAG_IF(new_via, SIPTAG_VIA_STR(new_via)),
NUTAG_WITH_THIS(nua), TAG_END());
} else {
nua_respond(nh,
SIP_401_UNAUTHORIZED,
TAG_IF(sticky, NUTAG_PROXY(sticky)),
TAG_IF(new_via, SIPTAG_VIA((void *)-1)), TAG_IF(new_via, SIPTAG_VIA_STR(new_via)),
NUTAG_WITH_THIS(nua), TAG_END());
}
return 1;
@ -580,7 +580,7 @@ uint8_t sofia_reg_handle_register(nua_t * nua, sofia_profile_t *profile, nua_han
}
if (!authorization || stale) {
sofia_reg_auth_challange(nua, profile, nh, regtype, to_host, stale, sticky);
sofia_reg_auth_challange(nua, profile, nh, regtype, to_host, stale, new_via);
if (regtype == REG_REGISTER && profile->debug) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Requesting Registration from: [%s@%s]\n", to_user, to_host);
}
@ -711,7 +711,7 @@ uint8_t sofia_reg_handle_register(nua_t * nua, sofia_profile_t *profile, nua_han
}
nua_respond(nh,
SIP_200_OK,
TAG_IF(sticky, NUTAG_PROXY(sticky)),
TAG_IF(new_via, SIPTAG_VIA((void *)-1)), TAG_IF(new_via, SIPTAG_VIA_STR(new_via)),
SIPTAG_CONTACT_STR(new_contact), NUTAG_WITH_THIS(nua), TAG_END());
switch_safe_free(new_contact);
if (switch_event_create(&event, SWITCH_EVENT_MESSAGE_QUERY) == SWITCH_STATUS_SUCCESS) {
@ -722,7 +722,7 @@ uint8_t sofia_reg_handle_register(nua_t * nua, sofia_profile_t *profile, nua_han
} else {
nua_respond(nh,
SIP_200_OK,
TAG_IF(sticky, NUTAG_PROXY(sticky)),
TAG_IF(new_via, SIPTAG_VIA((void *)-1)), TAG_IF(new_via, SIPTAG_VIA_STR(new_via)),
SIPTAG_CONTACT(contact), NUTAG_WITH_THIS(nua), TAG_END());
if (switch_event_create_subclass(&s_event, SWITCH_EVENT_CUSTOM, MY_EVENT_UNREGISTER) == SWITCH_STATUS_SUCCESS) {
@ -752,7 +752,7 @@ void sofia_reg_handle_sip_i_register(nua_t * nua, sofia_profile_t *profile, nua_
char network_ip[80];
su_addrinfo_t *my_addrinfo = msg_addrinfo(nua_current_request(nua));
sofia_regtype_t type = REG_REGISTER;
char *sticky = NULL;
char *new_via = NULL;
int network_port = 0;
get_addr(network_ip, sizeof(network_ip), &((struct sockaddr_in *) my_addrinfo->ai_addr)->sin_addr);
@ -784,8 +784,10 @@ void sofia_reg_handle_sip_i_register(nua_t * nua, sofia_profile_t *profile, nua_
}
if (ok) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Setting NAT mode based on acl %s\n", last_acl);
sticky = switch_mprintf("sip:%s@%s:%d", sip->sip_contact->m_url->url_user, network_ip, network_port);
if (sip->sip_via) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Setting NAT mode based on acl %s\n", last_acl);
new_via = sofia_glue_hack_via(profile, sip, network_port);
}
}
}
}
@ -794,7 +796,7 @@ void sofia_reg_handle_sip_i_register(nua_t * nua, sofia_profile_t *profile, nua_
if (!(profile->mflags & MFLAG_REGISTER)) {
nua_respond(nh,
SIP_403_FORBIDDEN,
TAG_IF(sticky, NUTAG_PROXY(sticky)),
TAG_IF(new_via, SIPTAG_VIA((void *)-1)), TAG_IF(new_via, SIPTAG_VIA_STR(new_via)),
NUTAG_WITH_THIS(nua), TAG_END());
goto end;
}
@ -817,7 +819,7 @@ void sofia_reg_handle_sip_i_register(nua_t * nua, sofia_profile_t *profile, nua_
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "IP %s Rejected by acl %s\n", network_ip, profile->reg_acl[x]);
nua_respond(nh,
SIP_403_FORBIDDEN,
TAG_IF(sticky, NUTAG_PROXY(sticky)),
TAG_IF(new_via, SIPTAG_VIA((void *)-1)), TAG_IF(new_via, SIPTAG_VIA_STR(new_via)),
NUTAG_WITH_THIS(nua), TAG_END());
goto end;
}
@ -827,12 +829,12 @@ void sofia_reg_handle_sip_i_register(nua_t * nua, sofia_profile_t *profile, nua_
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Received an invalid packet!\n");
nua_respond(nh,
SIP_500_INTERNAL_SERVER_ERROR,
TAG_IF(sticky, NUTAG_PROXY(sticky)),
TAG_IF(new_via, SIPTAG_VIA((void *)-1)), TAG_IF(new_via, SIPTAG_VIA_STR(new_via)),
TAG_END());
goto end;
}
sofia_reg_handle_register(nua, profile, nh, sip, type, key, sizeof(key), &v_event, sticky);
sofia_reg_handle_register(nua, profile, nh, sip, type, key, sizeof(key), &v_event, new_via);
if (v_event) {
switch_event_fire(&v_event);
@ -840,7 +842,7 @@ void sofia_reg_handle_sip_i_register(nua_t * nua, sofia_profile_t *profile, nua_
end:
switch_safe_free(sticky);
switch_safe_free(new_via);
nua_handle_destroy(nh);
}