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Don't crash if we get a message without from or type

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MAM messages don't have a type nor a from.
If we detect a message without type let's log it and exit without
continuing to try to parse it.

Otherwise we go into _handle_chat() and crash on the no from.
This commit is contained in:
Michael Vetter 2020-04-08 17:12:16 +02:00
parent fe9b520c42
commit e878b6d266
1 changed files with 8 additions and 1 deletions
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9
src/xmpp/message.c
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@ -99,13 +99,20 @@ _message_handler(xmpp_conn_t *const conn, xmpp_stanza_t *const stanza, void *con
size_t text_size;
xmpp_stanza_to_text(stanza, &text, &text_size);
gboolean cont = plugins_on_message_stanza_receive(text);
xmpp_free(connection_get_ctx(), text);
if (!cont) {
xmpp_free(connection_get_ctx(), text);
return 1;
}
const char *type = xmpp_stanza_get_type(stanza);
if (type == NULL) {
log_info("Received <message> without 'type': %s", text);
xmpp_free(connection_get_ctx(), text);
return 1;
}
xmpp_free(connection_get_ctx(), text);
if (g_strcmp0(type, STANZA_TYPE_ERROR) == 0) {
_handle_error(stanza);
}