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message: make _message_handler safer

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This commit is contained in:
Michael Vetter 2021-03-25 15:26:16 +01:00
parent 11382a8bf3
commit b1bd1ecca8
1 changed files with 9 additions and 7 deletions
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16
src/xmpp/message.c
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@ -226,13 +226,15 @@ _message_handler(xmpp_conn_t* const conn, xmpp_stanza_t* const stanza, void* con
char* mybarejid = connection_get_barejid();
const char* const stanza_from = xmpp_stanza_get_from(stanza);
if (g_strcmp0(mybarejid, stanza_from) != 0) {
log_warning("Invalid carbon received, from: %s", stanza_from);
msg_stanza = NULL;
} else {
is_carbon = TRUE;
// returns NULL if it was a carbon that was invalid, so that we dont parse later
msg_stanza = _handle_carbons(carbons);
if (stanza_from) {
if (g_strcmp0(mybarejid, stanza_from) != 0) {
log_warning("Invalid carbon received, from: %s", stanza_from);
msg_stanza = NULL;
} else {
is_carbon = TRUE;
// returns NULL if it was a carbon that was invalid, so that we dont parse later
msg_stanza = _handle_carbons(carbons);
}
}
free(mybarejid);