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Add OTR support.
This patch adds support for the OTR protocol to irssi. This is an import of the external irssi-otr project that we are now taking over maintership for. Major thanks to the original authors of Irssi-OTR: Uli Meis and David Goulet. Thanks to the OTR community in #OTR on OFTC, thanks to everyone who have helped testing the patches and submitted UI suggestions.
This commit is contained in:
Alexander Færøy
Alexander Færøy
parent
ad4324d242
commit
016b42baea
25 changed files with 3262 additions and 41 deletions
344
src/otr/otr-fe.c
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344
src/otr/otr-fe.c
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/*
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* Off-the-Record Messaging (OTR) module for the irssi IRC client
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*
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* Copyright (C) 2008 Uli Meis <a.sporto+bee@gmail.com>
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* 2012 David Goulet <dgoulet@ev0ke.net>
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* 2014 Alexander Færøy <ahf@0x90.dk>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc., 51
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* Franklin Street, Fifth Floor, Boston, MA 02110-1301,USA
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*/
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#include "common.h"
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#include "levels.h"
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#include "printtext.h"
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#include "commands.h"
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#include "irc.h"
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#include "irc-servers.h"
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#include "irc-queries.h"
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#include "statusbar-item.h"
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#include "otr.h"
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#include "otr-formats.h"
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#include "key.h"
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static void cmd_otr(const char *data, SERVER_REC *server, void *item)
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{
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if (*data == '\0')
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data = "info"; // FIXME(ahf): Is this really what we want as default?
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command_runsub("otr", data, server, item);
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// We always redraw the OTR statusbar, just in case.
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statusbar_items_redraw("otr");
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}
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static void cmd_otr_debug(const char *data)
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{
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otr_debug_toggle();
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if (otr_debug_get())
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printtext(NULL, NULL, MSGLEVEL_CRAP, "OTR debugging enabled");
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else
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printtext(NULL, NULL, MSGLEVEL_CRAP, "OTR debugging disabled");
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}
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static void cmd_otr_init(const char *data, SERVER_REC *server, WI_ITEM_REC *item)
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{
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QUERY_REC *query;
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char *target;
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ConnContext *ctx;
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g_return_if_fail(server != NULL);
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if (!server->connected)
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cmd_return_error(CMDERR_NOT_CONNECTED);
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if (!IS_QUERY(item))
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cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
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query = QUERY(item);
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target = query->name;
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ctx = otr_find_context(server, target, FALSE);
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if (ctx && ctx->msgstate == OTRL_MSGSTATE_ENCRYPTED) {
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printformat(server, target, MSGLEVEL_CRAP, TXT_OTR_SESSION_ALREADY_SECURED, ctx->accountname);
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return;
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}
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printformat(server, target, MSGLEVEL_CRAP, TXT_OTR_SESSION_INITIATING);
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/*
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* Irssi does not handle well the HTML tag in the default OTR query message
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* so just send the OTR tag instead. Contact me for a better fix! :)
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*/
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otr_send_message(server, target, "?OTRv23?");
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}
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static void cmd_otr_finish(const char *data, SERVER_REC *server, WI_ITEM_REC *item)
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{
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QUERY_REC *query;
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char *target;
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g_return_if_fail(server != NULL);
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if (!server->connected)
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cmd_return_error(CMDERR_NOT_CONNECTED);
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if (!IS_QUERY(item))
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cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
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query = QUERY(item);
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target = query->name;
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otr_finish(server, target);
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}
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static void cmd_otr_trust(const char *data, SERVER_REC *server, WI_ITEM_REC *item)
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{
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QUERY_REC *query;
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char *target;
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char *fingerprint, *human_fingerprint;
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void *free_arg;
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g_return_if_fail(server != NULL);
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query = QUERY(item);
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target = query ? query->name : NULL;
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if (!cmd_get_params(data, &free_arg, 1 | PARAM_FLAG_GETREST, &fingerprint))
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return;
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// We fallback to target if fingerprint isn't specified.
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if (*fingerprint == '\0' && target == NULL)
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cmd_param_error(CMDERR_NOT_ENOUGH_PARAMS);
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human_fingerprint = g_ascii_strup(fingerprint, -1);
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otr_trust(server, target, human_fingerprint, user_state_global);
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g_free(human_fingerprint);
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cmd_params_free(free_arg);
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}
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static void cmd_otr_distrust(const char *data, SERVER_REC *server, WI_ITEM_REC *item)
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{
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QUERY_REC *query;
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char *target;
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char *fingerprint, *human_fingerprint;
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void *free_arg;
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g_return_if_fail(server != NULL);
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query = QUERY(item);
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target = query ? query->name : NULL;
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if (!cmd_get_params(data, &free_arg, 1 | PARAM_FLAG_GETREST, &fingerprint))
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return;
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// We fallback to target if fingerprint isn't specified.
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if (*fingerprint == '\0' && target == NULL)
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cmd_param_error(CMDERR_NOT_ENOUGH_PARAMS);
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human_fingerprint = g_ascii_strup(fingerprint, -1);
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otr_distrust(server, target, human_fingerprint, user_state_global);
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g_free(human_fingerprint);
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cmd_params_free(free_arg);
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}
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static void cmd_otr_forget(const char *data, SERVER_REC *server, WI_ITEM_REC *item)
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{
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QUERY_REC *query;
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char *target;
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char *fingerprint, *human_fingerprint;
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void *free_arg;
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g_return_if_fail(server != NULL);
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if (!cmd_get_params(data, &free_arg, 1 | PARAM_FLAG_GETREST, &fingerprint))
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return;
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query = QUERY(item);
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target = query ? query->name : NULL;
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// We fallback to target if fingerprint isn't specified.
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if (*fingerprint == '\0' && target == NULL)
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cmd_param_error(CMDERR_NOT_ENOUGH_PARAMS);
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human_fingerprint = g_ascii_strup(fingerprint, -1);
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otr_forget(server, target, human_fingerprint, user_state_global);
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g_free(human_fingerprint);
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cmd_params_free(free_arg);
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}
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static void cmd_otr_authabort(const char *data, SERVER_REC *server, WI_ITEM_REC *item)
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{
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QUERY_REC *query;
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char *target;
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query = QUERY(item);
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target = query ? query->name : NULL;
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if (server == NULL || target == NULL)
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cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
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otr_auth_abort(server, target);
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}
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static void cmd_otr_auth(const char *data, SERVER_REC *server, WI_ITEM_REC *item)
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{
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QUERY_REC *query;
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char *target;
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char *secret;
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void *free_arg;
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if (!cmd_get_params(data, &free_arg, 1, &secret))
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return;
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query = QUERY(item);
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target = query ? query->name : NULL;
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if (server == NULL || target == NULL || *secret == '\0')
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cmd_param_error(CMDERR_NOT_ENOUGH_PARAMS);
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if (*secret == '\0')
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cmd_param_error(CMDERR_NOT_ENOUGH_PARAMS);
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otr_auth(server, target, NULL, secret);
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cmd_params_free(free_arg);
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}
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static void cmd_otr_authq(const char *data, SERVER_REC *server, WI_ITEM_REC *item)
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{
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QUERY_REC *query;
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char *target;
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char *question, *secret;
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void *free_arg;
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if (!cmd_get_params(data, &free_arg, 2, &question, &secret))
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return;
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query = QUERY(item);
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target = query ? query->name : NULL;
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if (server == NULL || target == NULL || *question == '\0' || *secret == '\0')
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cmd_param_error(CMDERR_NOT_ENOUGH_PARAMS);
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otr_auth(server, target, question, secret);
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cmd_params_free(free_arg);
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}
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static void cmd_otr_genkey(const char *data)
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{
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char *account_name;
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void *free_arg;
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if (!cmd_get_params(data, &free_arg, 1, &account_name))
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return;
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if (*account_name == '\0')
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cmd_param_error(CMDERR_NOT_ENOUGH_PARAMS);
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key_gen_run(user_state_global, account_name);
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cmd_params_free(free_arg);
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}
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static void cmd_otr_contexts(const char *data)
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{
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otr_contexts(user_state_global);
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}
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static void cmd_otr_info(const char *data)
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{
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gboolean empty = TRUE;
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char ownfp[OTRL_PRIVKEY_FPRINT_HUMAN_LEN];
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OtrlPrivKey *key;
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for (key = user_state_global->otr_state->privkey_root; key != NULL; key = key->next) {
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otrl_privkey_fingerprint(user_state_global->otr_state, ownfp, key->accountname, OTR_PROTOCOL_ID);
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printformat(NULL, NULL, MSGLEVEL_CLIENTNOTICE, TXT_OTR_FP_NICK, key->accountname, ownfp);
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empty = FALSE;
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}
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if (empty)
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printformat(NULL, NULL, MSGLEVEL_CLIENTERROR, TXT_OTR_KEYS_UNAVAILABLE);
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}
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static void statusbar_otr(struct SBAR_ITEM_REC *item, int get_size_only)
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{
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WI_ITEM_REC *wi_item = active_win->active;
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QUERY_REC *query = QUERY(wi_item);
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enum otr_status_format format = TXT_OTR_MODULE_NAME;
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if (query && query->server && query->server->connrec) {
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format = otr_get_status_format(query->server, query->name);
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}
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statusbar_item_default_handler(item, get_size_only,
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format ? fe_otr_formats[format].def : "", " ", FALSE);
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}
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void otr_fe_init(void)
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{
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theme_register(fe_otr_formats);
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command_bind("otr", NULL, (SIGNAL_FUNC) cmd_otr);
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command_bind("otr debug", NULL, (SIGNAL_FUNC) cmd_otr_debug);
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command_bind("otr init", NULL, (SIGNAL_FUNC) cmd_otr_init);
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command_bind("otr finish", NULL, (SIGNAL_FUNC) cmd_otr_finish);
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command_bind("otr trust", NULL, (SIGNAL_FUNC) cmd_otr_trust);
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command_bind("otr distrust", NULL, (SIGNAL_FUNC) cmd_otr_distrust);
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command_bind("otr forget", NULL, (SIGNAL_FUNC) cmd_otr_forget);
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command_bind("otr authabort", NULL, (SIGNAL_FUNC) cmd_otr_authabort);
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command_bind("otr auth", NULL, (SIGNAL_FUNC) cmd_otr_auth);
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command_bind("otr authq", NULL, (SIGNAL_FUNC) cmd_otr_authq);
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command_bind("otr genkey", NULL, (SIGNAL_FUNC) cmd_otr_genkey);
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command_bind("otr contexts", NULL, (SIGNAL_FUNC) cmd_otr_contexts);
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command_bind("otr info", NULL, (SIGNAL_FUNC) cmd_otr_info);
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statusbar_item_register("otr", NULL, statusbar_otr);
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statusbar_items_redraw("window");
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}
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void otr_fe_deinit(void)
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{
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theme_unregister();
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command_unbind("otr", (SIGNAL_FUNC) cmd_otr);
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command_unbind("otr debug", (SIGNAL_FUNC) cmd_otr_debug);
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command_unbind("otr init", (SIGNAL_FUNC) cmd_otr_init);
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command_unbind("otr finish", (SIGNAL_FUNC) cmd_otr_finish);
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command_unbind("otr trust", (SIGNAL_FUNC) cmd_otr_trust);
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command_unbind("otr distrust", (SIGNAL_FUNC) cmd_otr_distrust);
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command_unbind("otr forget", (SIGNAL_FUNC) cmd_otr_forget);
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command_unbind("otr authabort", (SIGNAL_FUNC) cmd_otr_authabort);
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command_unbind("otr auth", (SIGNAL_FUNC) cmd_otr_auth);
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command_unbind("otr authq", (SIGNAL_FUNC) cmd_otr_authq);
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command_unbind("otr genkey", (SIGNAL_FUNC) cmd_otr_genkey);
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command_unbind("otr contexts", (SIGNAL_FUNC) cmd_otr_contexts);
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command_unbind("otr info", (SIGNAL_FUNC) cmd_otr_info);
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statusbar_item_unregister("otr");
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}
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