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/*
* otrlibv4.c
*
* Copyright (C) 2012 - 2014 James Booth <boothj5@gmail.com>
*
* This file is part of Profanity.
*
* Profanity is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Profanity is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Profanity. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include <libotr/proto.h>
#include <libotr/privkey.h>
#include <libotr/message.h>
OtrlPolicy
otrlib_policy(void)
{
return OTRL_POLICY_ALLOW_V1 | OTRL_POLICY_ALLOW_V2;
}
char *
otrlib_start_query(void)
{
return "?OTR?v2?";
}
static const char*
cb_otr_error_message(void *opdata, ConnContext *context,
OtrlErrorCode err_code)
{
switch(err_code)
{
case OTRL_ERRCODE_ENCRYPTION_ERROR:
return strdup("OTR Error: occured while encrypting a message");
case OTRL_ERRCODE_MSG_NOT_IN_PRIVATE:
return strdup("OTR Error: Sent encrypted message to somebody who is not in a mutual OTR session");
case OTRL_ERRCODE_MSG_UNREADABLE:
return strdup("OTR Error: sent an unreadable encrypted message");
case OTRL_ERRCODE_MSG_MALFORMED:
return strdup("OTR Error: message sent is malformed");
default:
return strdup("OTR Error: unknown");
}
}
static void
cb_otr_error_message_free(void *opdata, const char *err_msg)
{
free((char *)err_msg);
}
static void
cb_handle_msg_event(void *opdata, OtrlMessageEvent msg_event,
ConnContext *context, const char *message,
gcry_error_t err)
{
if (err != 0) {
if (message != NULL) {
cons_show_error("%s", message);
} else {
cons_show_error("OTR error event with no message.");
}
}
}
void
otrlib_init_ops(OtrlMessageAppOps *ops)
{
ops->otr_error_message = cb_otr_error_message;
ops->otr_error_message_free = cb_otr_error_message_free;
ops->handle_msg_event = cb_handle_msg_event;
}
ConnContext *
otrlib_context_find(OtrlUserState user_state, const char * const recipient, char *jid)
{
return otrl_context_find(user_state, recipient, jid, "xmpp", OTRL_INSTAG_MASTER, 0, NULL, NULL, NULL);
}
void
otrlib_end_session(OtrlUserState user_state, const char * const recipient, char *jid, OtrlMessageAppOps *ops)
{
ConnContext *context = otrl_context_find(user_state, recipient, jid, "xmpp",
OTRL_INSTAG_MASTER, 0, NULL, NULL, NULL);
if (context != NULL) {
otrl_message_disconnect(user_state, ops, NULL, jid, "xmpp", recipient, 0);
}
}
gcry_error_t
otrlib_encrypt_message(OtrlUserState user_state, OtrlMessageAppOps *ops, char *jid, const char * const to,
const char * const message, char **newmessage)
{
gcry_error_t err;
err = otrl_message_sending(
user_state,
ops,
NULL,
jid,
"xmpp",
to,
OTRL_INSTAG_MASTER,
message,
0,
newmessage,
OTRL_FRAGMENT_SEND_SKIP,
NULL,
NULL,
NULL);
return err;
}
int
otrlib_decrypt_message(OtrlUserState user_state, OtrlMessageAppOps *ops, char *jid, const char * const from,
const char * const message, char **decrypted, OtrlTLV **tlvs)
{
return otrl_message_receiving(
user_state,
ops,
NULL,
jid,
"xmpp",
from,
message,
decrypted,
tlvs,
NULL,
NULL,
NULL);
}
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