char*
otr_decrypt_message(const char *const from, const char *const message, gboolean *decrypted)
{
char *newmessage = NULL;
OtrlTLV *tlvs = NULL;
int result = otrlib_decrypt_message(user_state, &ops, jid, from, message, &newmessage, &tlvs);
// internal libotr message
if (result == 1) {
ConnContext *context = otrlib_context_find(user_state, from, jid);
// common tlv handling
OtrlTLV *tlv = otrl_tlv_find(tlvs, OTRL_TLV_DISCONNECTED);
if (tlv) {
if (context) {
otrl_context_force_plaintext(context);
ProfChatWin *chatwin = wins_get_chat(from);
if (chatwin) {
chatwin_otr_unsecured(chatwin);
}
}
}
// library version specific tlv handling
otrlib_handle_tlvs(user_state, &ops, context, tlvs, smp_initiators);
_otr_tlv_free(tlvs);
return NULL;
// message was processed, return to user
} else if (newmessage) {
_otr_tlv_free(tlvs);
if (g_str_has_prefix(message, "?OTR:")) {
*decrypted = TRUE;
}
return newmessage;
// normal non OTR message
} else {
_otr_tlv_free(tlvs);
*decrypted = FALSE;
return strdup(message);
}
}
static char *
_otr_decrypt_message(const char * const from, const char * const message, gboolean *was_decrypted)
{
char *decrypted = NULL;
OtrlTLV *tlvs = NULL;
int result = otrlib_decrypt_message(user_state, &ops, jid, from, message, &decrypted, &tlvs);
// internal libotr message
if (result == 1) {
ConnContext *context = otrlib_context_find(user_state, from, jid);
// common tlv handling
OtrlTLV *tlv = otrl_tlv_find(tlvs, OTRL_TLV_DISCONNECTED);
if (tlv) {
if (context != NULL) {
otrl_context_force_plaintext(context);
ui_gone_insecure(from);
}
}
// library version specific tlv handling
otrlib_handle_tlvs(user_state, &ops, context, tlvs, smp_initiators);
return NULL;
// message was decrypted, return to user
} else if (decrypted != NULL) {
*was_decrypted = TRUE;
return decrypted;
// normal non OTR message
} else {
*was_decrypted = FALSE;
return strdup(message);
}
}
