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[mod_sofia] scan-build: Dereference of null pointer in sofia_handle_sip_i_bye(), sofia_handle_sip_i_invite() and our_sofia_event_callback()

This commit is contained in:
Andrey Volk 2021-04-02 00:27:59 +03:00
parent ac1a3dc565
commit 6726922e34
1 changed files with 6 additions and 5 deletions
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11
src/mod/endpoints/mod_sofia/sofia.c
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@ -960,7 +960,7 @@ void sofia_handle_sip_i_bye(switch_core_session_t *session, int status,
char st[80] = "";
#endif
if (!session) {
if (!session || !sip) {
return;
}
@ -1615,7 +1615,7 @@ static void our_sofia_event_callback(nua_event_t event,
authorization = sip->sip_proxy_authorization;
}
if (authorization) {
if (authorization && sip->sip_request) {
char network_ip[80] = "";
int network_port;
sofia_glue_get_addr(de->data->e_msg, network_ip, sizeof(network_ip), &network_port);
@ -10694,8 +10694,9 @@ void sofia_handle_sip_i_invite(switch_core_session_t *session, nua_t *nua, sofia
}
}
tech_pvt->from_user = switch_core_session_strdup(session, sip->sip_from->a_url->url_user);
if (sip->sip_from && sip->sip_from->a_url) {
tech_pvt->from_user = switch_core_session_strdup(session, sip->sip_from->a_url->url_user);
}
tech_pvt->mparams.remote_ip = switch_core_session_strdup(session, network_ip);
tech_pvt->mparams.remote_port = network_port;
@ -11268,7 +11269,7 @@ void sofia_handle_sip_i_invite(switch_core_session_t *session, nua_t *nua, sofia
if (profile->pres_type) {
const char *presence_id = switch_channel_get_variable(channel, "presence_id");
if (zstr(presence_id)) {
if (zstr(presence_id) && sip->sip_from && sip->sip_from->a_url) {
const char *user = switch_str_nil(sip->sip_from->a_url->url_user);
const char *host = switch_str_nil(sip->sip_from->a_url->url_host);
char *tmp = switch_mprintf("%s@%s", user, host);