void
otr_smp_secret(const char *const recipient, const char *secret)
{
ConnContext *context = otrlib_context_find(user_state, recipient, jid);
if (context == NULL) {
return;
}
if (context->msgstate != OTRL_MSGSTATE_ENCRYPTED) {
return;
}
// if recipient initiated SMP, send response, else initialise
ProfChatWin *chatwin = wins_get_chat(recipient);
if (g_hash_table_contains(smp_initiators, recipient)) {
otrl_message_respond_smp(user_state, &ops, NULL, context, (const unsigned char*)secret, strlen(secret));
if (chatwin) {
chatwin_otr_smp_event(chatwin, PROF_OTR_SMP_AUTH, NULL);
}
g_hash_table_remove(smp_initiators, context->username);
} else {
otrl_message_initiate_smp(user_state, &ops, NULL, context, (const unsigned char*)secret, strlen(secret));
if (chatwin) {
chatwin_otr_smp_event(chatwin, PROF_OTR_SMP_AUTH_WAIT, NULL);
}
}
}
void OtrInternal::respondSMP(ConnContext *context, TreeModelItem &item, const QString &secret, bool initiate)
{
if( initiate ){
context = otrl_context_find( m_userstate, item.m_item_name.toAscii(), item.m_account_name.toAscii(), item.m_protocol_name.toAscii(), 0, NULL, NULL, NULL);
otrl_message_initiate_smp( m_userstate, &m_uiOps, this, context, (unsigned char*)secret.toAscii().data(), secret.toAscii().count() );
} else {
otrl_message_respond_smp( m_userstate, &m_uiOps, this, context, (unsigned char*)secret.toAscii().data(), secret.toAscii().count());
}
sendCustomNessage(item,tr("Authenticating contact..."));
}
void
otr_smp_answer(const char *const recipient, const char *answer)
{
ConnContext *context = otrlib_context_find(user_state, recipient, jid);
if (context == NULL) {
return;
}
if (context->msgstate != OTRL_MSGSTATE_ENCRYPTED) {
return;
}
// if recipient initiated SMP, send response, else initialise
otrl_message_respond_smp(user_state, &ops, NULL, context, (const unsigned char*)answer, strlen(answer));
}
void OtrInternal::continueSMP(const QString& account, const QString& contact,
const QString& secret)
{
ConnContext* context = otrl_context_find(m_userstate,
contact.toUtf8().constData(),
account.toUtf8().constData(),
OTR_PROTOCOL_STRING,
#if (OTRL_VERSION_MAJOR >= 4)
OTRL_INSTAG_BEST,
#endif
false, NULL, NULL, NULL);
if (context)
{
QByteArray secretArray = secret.toUtf8();
const char* secretPointer = secretArray.constData();
size_t secretLength = qstrlen(secretPointer);
otrl_message_respond_smp(m_userstate, &m_uiOps, this, context,
reinterpret_cast<const unsigned char*>(secretPointer),
secretLength);
}
}
static void
_otr_smp_secret(const char * const recipient, const char *secret)
{
ConnContext *context = otrlib_context_find(user_state, recipient, jid);
if (context == NULL) {
return;
}
if (context->msgstate != OTRL_MSGSTATE_ENCRYPTED) {
return;
}
// if recipient initiated SMP, send response, else initialise
if (g_hash_table_contains(smp_initiators, recipient)) {
otrl_message_respond_smp(user_state, &ops, NULL, context, (const unsigned char*)secret, strlen(secret));
ui_otr_authenticating(recipient);
g_hash_table_remove(smp_initiators, context->username);
} else {
otrl_message_initiate_smp(user_state, &ops, NULL, context, (const unsigned char*)secret, strlen(secret));
ui_otr_authetication_waiting(recipient);
}
}
void input_send_smp_response(char *arg) {
char *msg, *temp, *sn;
if (conn->conn == NULL)
return;
printf("\n");
temp = strchr(arg, ' ');
if (temp == NULL) {
b_echostr_s();
printf("No message to send.\n");
return;
}
if (strlen(temp + 1) == 0) {
b_echostr_s();
printf("No message to send.\n");
return;
}
msg = temp + 1;
sn = malloc(temp - arg + 1);
sn[temp - arg] = 0;
strncpy(sn, arg, temp - arg);
struct BuddyList *buddy = find_buddy(sn);
if (buddy) {
if (buddy->otr_context) {
b_echostr_s();
printf("[OTR] Responding to %s\n", sn);
otrl_message_respond_smp(userstate, &ui_ops, NULL, buddy->otr_context, msg, strlen(msg));
return;
}
}
b_echostr_s();
printf("[OTR] No OTR context found for %s\n", sn);
}
/*
* Initiate or respond to SMP authentication.
*/
void otr_auth(SERVER_REC *irssi, const char *nick, const char *question,
const char *secret)
{
int ret;
size_t secret_len = 0;
ConnContext *ctx;
struct otr_peer_context *opc;
assert(irssi);
assert(nick);
ctx = otr_find_context(irssi, nick, 0);
if (!ctx) {
IRSSI_NOTICE(irssi, nick, "Context for %9%s%9 not found.", nick);
goto end;
}
opc = ctx->app_data;
/* Again, code flow error. */
assert(opc);
if (ctx->msgstate != OTRL_MSGSTATE_ENCRYPTED) {
IRSSI_INFO(irssi, nick,
"You need to establish an OTR session before you "
"can authenticate.");
goto end;
}
/* Aborting an ongoing auth */
if (ctx->smstate->nextExpected != OTRL_SMP_EXPECT1) {
otr_auth_abort(irssi, nick);
}
/* reset trust level */
if (ctx->active_fingerprint) {
ret = otrl_context_is_fingerprint_trusted(ctx->active_fingerprint);
if (!ret) {
otrl_context_set_trust(ctx->active_fingerprint, "");
key_write_fingerprints(user_state_global);
}
}
/* Libotr allows empty secret. */
if (secret) {
secret_len = strlen(secret);
}
if (opc->ask_secret) {
otrl_message_respond_smp(user_state_global->otr_state, &otr_ops,
irssi, ctx, (unsigned char *) secret, secret_len);
otr_status_change(irssi, nick, OTR_STATUS_SMP_RESPONDED);
IRSSI_NOTICE(irssi, nick, "%yResponding to authentication...%n");
} else {
if (question) {
otrl_message_initiate_smp_q(user_state_global->otr_state,
&otr_ops, irssi, ctx, question, (unsigned char *) secret,
secret_len);
} else {
otrl_message_initiate_smp(user_state_global->otr_state,
&otr_ops, irssi, ctx, (unsigned char *) secret, secret_len);
}
otr_status_change(irssi, nick, OTR_STATUS_SMP_STARTED);
IRSSI_NOTICE(irssi, nick, "%yInitiated authentication...%n");
}
opc->ask_secret = 0;
end:
return;
}
