mirror of
https://github.com/hexchat/hexchat.git
synced 2024-11-05 10:42:33 +01:00
836 lines
26 KiB
C
836 lines
26 KiB
C
/*
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Copyright (c) 2010-2011 Samuel Lidén Borell <samuel@kodafritt.se>
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Copyright (c) 2015 <the.cypher@gmail.com>
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Copyright (c) 2019-2020 <bakasura@protonmail.ch>
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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#include "config.h"
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#include <glib.h>
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#include <stdlib.h>
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#include <string.h>
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#include "hexchat-plugin.h"
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#include "fish.h"
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#include "dh1080.h"
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#include "keystore.h"
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#include "irc.h"
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static const char *fish_modes[] = {"", "ECB", "CBC", NULL};
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static const char plugin_name[] = "FiSHLiM";
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static const char plugin_desc[] = "Encryption plugin for the FiSH protocol. Less is More!";
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static const char plugin_version[] = "1.0.0";
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static const char usage_setkey[] = "Usage: SETKEY [<nick or #channel>] [<mode>:]<password>, sets the key for a channel or nick. Modes: ECB, CBC";
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static const char usage_delkey[] = "Usage: DELKEY [<nick or #channel>], deletes the key for a channel or nick";
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static const char usage_keyx[] = "Usage: KEYX [<nick>], performs DH1080 key-exchange with <nick>";
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static const char usage_topic[] = "Usage: TOPIC+ <topic>, sets a new encrypted topic for the current channel";
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static const char usage_notice[] = "Usage: NOTICE+ <nick or #channel> <notice>";
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static const char usage_msg[] = "Usage: MSG+ <nick or #channel> <message>";
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static hexchat_plugin *ph;
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static GHashTable *pending_exchanges;
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/**
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* Compare two nicks using the current plugin
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*/
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int irc_nick_cmp(const char *a, const char *b) {
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return hexchat_nickcmp (ph, a, b);
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}
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/**
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* Returns the path to the key store file.
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*/
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gchar *get_config_filename(void) {
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char *filename_fs, *filename_utf8;
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filename_utf8 = g_build_filename(hexchat_get_info(ph, "configdir"), "addon_fishlim.conf", NULL);
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filename_fs = g_filename_from_utf8 (filename_utf8, -1, NULL, NULL, NULL);
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g_free (filename_utf8);
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return filename_fs;
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}
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static inline gboolean irc_is_query (const char *name) {
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const char *chantypes = hexchat_list_str (ph, NULL, "chantypes");
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return strchr (chantypes, name[0]) == NULL;
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}
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static hexchat_context *find_context_on_network (const char *name) {
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hexchat_list *channels;
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hexchat_context *ret = NULL;
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int id;
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if (hexchat_get_prefs(ph, "id", NULL, &id) != 2)
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return NULL;
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channels = hexchat_list_get(ph, "channels");
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if (!channels)
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return NULL;
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while (hexchat_list_next(ph, channels)) {
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int chan_id = hexchat_list_int(ph, channels, "id");
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const char *chan_name = hexchat_list_str(ph, channels, "channel");
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if (chan_id == id && chan_name && irc_nick_cmp (chan_name, name) == 0) {
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ret = (hexchat_context*)hexchat_list_str(ph, channels, "context");
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break;
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}
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};
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hexchat_list_free(ph, channels);
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return ret;
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}
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/**
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* Retrive the field for own user in current context
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* @return the field value
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*/
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char *get_my_info(const char *field, gboolean find_in_other_context) {
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char *result = NULL;
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const char *own_nick;
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hexchat_list *list;
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hexchat_context *ctx_current, *ctx_channel;
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/* Display message */
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own_nick = hexchat_get_info(ph, "nick");
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if (!own_nick)
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return NULL;
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/* Get field for own nick if any */
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list = hexchat_list_get(ph, "users");
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if (list) {
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while (hexchat_list_next(ph, list)) {
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if (irc_nick_cmp(own_nick, hexchat_list_str(ph, list, "nick")) == 0)
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result = g_strdup(hexchat_list_str(ph, list, field));
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}
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hexchat_list_free(ph, list);
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}
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if (result) {
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return result;
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}
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/* Try to get from a channel (we are outside a channel) */
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if (!find_in_other_context) {
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return NULL;
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}
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list = hexchat_list_get(ph, "channels");
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if (list) {
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ctx_current = hexchat_get_context(ph);
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while (hexchat_list_next(ph, list)) {
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ctx_channel = (hexchat_context *) hexchat_list_str(ph, list, "context");
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hexchat_set_context(ph, ctx_channel);
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result = get_my_info(field, FALSE);
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hexchat_set_context(ph, ctx_current);
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if (result) {
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break;
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}
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}
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hexchat_list_free(ph, list);
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}
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return result;
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}
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/**
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* Retrive the prefix character for own nick in current context
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* @return @ or + or NULL
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*/
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char *get_my_own_prefix(void) {
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return get_my_info("prefix", FALSE);
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}
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/**
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* Retrive the mask for own nick in current context
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* @return Host name in the form: user@host (or NULL if not known)
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*/
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char *get_my_own_host(void) {
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return get_my_info("host", TRUE);
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}
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/**
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* Calculate the length of prefix for current user in current context
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*
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* @return Length of prefix
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*/
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int get_prefix_length(void) {
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char *own_host;
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int prefix_len = 0;
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/* ':! ' + 'nick' + 'ident@host', e.g. ':user!~name@mynet.com ' */
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prefix_len = 3 + strlen(hexchat_get_info(ph, "nick"));
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own_host = get_my_own_host();
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if (own_host) {
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prefix_len += strlen(own_host);
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} else {
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/* https://stackoverflow.com/questions/8724954/what-is-the-maximum-number-of-characters-for-a-host-name-in-unix */
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prefix_len += 64;
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}
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g_free(own_host);
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return prefix_len;
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}
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/**
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* Try to decrypt the first occurrence of fish message
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*
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* @param message Message to decrypt
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* @param key Key of message
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* @return Array of char with decrypted message or NULL. The returned string
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* should be freed with g_free() when no longer needed.
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*/
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char *decrypt_raw_message(const char *message, const char *key) {
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const char *prefixes[] = {"+OK ", "mcps ", NULL};
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char *start = NULL, *end = NULL;
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char *left = NULL, *right = NULL;
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char *encrypted = NULL, *decrypted = NULL;
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int length = 0;
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int index_prefix;
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enum fish_mode mode;
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GString *message_decrypted;
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char *result = NULL;
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if (message == NULL || key == NULL)
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return NULL;
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for (index_prefix = 0; index_prefix < 2; index_prefix++) {
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start = g_strstr_len(message, strlen(message), prefixes[index_prefix]);
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if (start) {
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/* Length ALWAYS will be less that original message
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* add '[CBC] ' length */
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message_decrypted = g_string_sized_new(strlen(message) + 6);
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/* Left part of message */
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left = g_strndup(message, start - message);
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g_string_append(message_decrypted, left);
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g_free(left);
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/* Encrypted part */
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start += strlen(prefixes[index_prefix]);
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end = g_strstr_len(start, strlen(message), " ");
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if (end) {
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length = end - start;
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right = end;
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}
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if (length > 0) {
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encrypted = g_strndup(start, length);
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} else {
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encrypted = g_strdup(start);
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}
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decrypted = fish_decrypt_from_nick(key, encrypted, &mode);
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g_free(encrypted);
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if (decrypted == NULL) {
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g_string_free(message_decrypted, TRUE);
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return NULL;
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}
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/* Add encrypted flag */
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g_string_append(message_decrypted, "[");
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g_string_append(message_decrypted, fish_modes[mode]);
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g_string_append(message_decrypted, "] ");
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/* Decrypted message */
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g_string_append(message_decrypted, decrypted);
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g_free(decrypted);
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/* Right part of message */
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if (right) {
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g_string_append(message_decrypted, right);
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}
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result = message_decrypted->str;
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g_string_free(message_decrypted, FALSE);
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return result;
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}
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}
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return NULL;
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}
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/*static int handle_debug(char *word[], char *word_eol[], void *userdata) {
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hexchat_printf(ph, "debug incoming: ");
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for (size_t i = 1; word[i] != NULL && word[i][0] != '\0'; i++) {
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hexchat_printf(ph, ">%s< ", word[i]);
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}
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hexchat_printf(ph, "\n");
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return HEXCHAT_EAT_NONE;
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}*/
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/**
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* Called when a message is to be sent.
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*/
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static int handle_outgoing(char *word[], char *word_eol[], void *userdata) {
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char *prefix;
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enum fish_mode mode;
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char *message;
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GString *command;
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GSList *encrypted_list, *encrypted_item;
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const char *channel = hexchat_get_info(ph, "channel");
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/* Check if we can encrypt */
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if (!fish_nick_has_key(channel)) return HEXCHAT_EAT_NONE;
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command = g_string_new("");
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g_string_printf(command, "PRIVMSG %s :+OK ", channel);
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encrypted_list = fish_encrypt_for_nick(channel, word_eol[1], &mode, get_prefix_length() + command->len);
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if (!encrypted_list) {
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g_string_free(command, TRUE);
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return HEXCHAT_EAT_NONE;
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}
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/* Get prefix for own nick if any */
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prefix = get_my_own_prefix();
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/* Add encrypted flag */
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message = g_strconcat("[", fish_modes[mode], "] ", word_eol[1], NULL);
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/* Display message */
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hexchat_emit_print(ph, "Your Message", hexchat_get_info(ph, "nick"), message, prefix, NULL);
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g_free(message);
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/* Send encrypted messages */
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encrypted_item = encrypted_list;
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while (encrypted_item)
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{
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hexchat_commandf(ph, "%s%s", command->str, (char *)encrypted_item->data);
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encrypted_item = encrypted_item->next;
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}
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g_free(prefix);
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g_string_free(command, TRUE);
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g_slist_free_full(encrypted_list, g_free);
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return HEXCHAT_EAT_HEXCHAT;
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}
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/**
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* Called when a channel message or private message is received.
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*/
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static int handle_incoming(char *word[], char *word_eol[], hexchat_event_attrs *attrs, void *userdata) {
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const char *prefix;
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const char *command;
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const char *recipient;
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const char *raw_message = word_eol[1];
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char *sender_nick;
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char *decrypted;
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size_t parameters_offset;
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GString *message;
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if (!irc_parse_message((const char **)word, &prefix, &command, ¶meters_offset))
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return HEXCHAT_EAT_NONE;
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/* Topic (command 332) has an extra parameter */
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if (!strcmp(command, "332"))
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parameters_offset++;
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/* Extract sender nick and recipient nick/channel and try to decrypt */
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recipient = word[parameters_offset];
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decrypted = decrypt_raw_message(raw_message, recipient);
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if (decrypted == NULL) {
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sender_nick = irc_prefix_get_nick(prefix);
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decrypted = decrypt_raw_message(raw_message, sender_nick);
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g_free(sender_nick);
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}
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/* Nothing to decrypt */
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if (decrypted == NULL)
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return HEXCHAT_EAT_NONE;
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/* Build decrypted message */
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/* decrypted + 'RECV ' + '@time=YYYY-MM-DDTHH:MM:SS.fffffZ ' */
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message = g_string_sized_new (strlen(decrypted) + 5 + 33);
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g_string_append (message, "RECV ");
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if (attrs->server_time_utc)
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{
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GTimeVal tv = { (glong)attrs->server_time_utc, 0 };
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char *timestamp = g_time_val_to_iso8601 (&tv);
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g_string_append (message, "@time=");
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g_string_append (message, timestamp);
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g_string_append (message, " ");
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g_free (timestamp);
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}
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g_string_append (message, decrypted);
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g_free(decrypted);
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/* Fake server message
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* RECV command will throw this function again, if message have multiple
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* encrypted data, we will decrypt all */
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hexchat_command(ph, message->str);
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g_string_free (message, TRUE);
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return HEXCHAT_EAT_HEXCHAT;
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}
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static int handle_keyx_notice(char *word[], char *word_eol[], void *userdata) {
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const char *dh_message = word[4];
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const char *dh_pubkey = word[5];
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hexchat_context *query_ctx;
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const char *prefix;
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char *sender, *secret_key, *priv_key = NULL;
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enum fish_mode mode = FISH_ECB_MODE;
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if (!*dh_message || !*dh_pubkey || strlen(dh_pubkey) != 181)
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return HEXCHAT_EAT_NONE;
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if (!irc_parse_message((const char**)word, &prefix, NULL, NULL) || !prefix)
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return HEXCHAT_EAT_NONE;
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sender = irc_prefix_get_nick(prefix);
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query_ctx = find_context_on_network(sender);
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if (query_ctx)
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g_assert(hexchat_set_context(ph, query_ctx) == 1);
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dh_message++; /* : prefix */
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if (g_strcmp0 (word[6], "CBC") == 0)
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mode = FISH_CBC_MODE;
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if (!strcmp(dh_message, "DH1080_INIT")) {
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char *pub_key;
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hexchat_printf(ph, "Received public key from %s (%s), sending mine...", sender, fish_modes[mode]);
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if (dh1080_generate_key(&priv_key, &pub_key)) {
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hexchat_commandf(ph, "quote NOTICE %s :DH1080_FINISH %s%s", sender, pub_key, (mode == FISH_CBC_MODE) ? " CBC" : "");
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g_free(pub_key);
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} else {
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hexchat_print(ph, "Failed to generate keys");
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goto cleanup;
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}
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} else if (!strcmp (dh_message, "DH1080_FINISH")) {
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char *sender_lower = g_ascii_strdown(sender, -1);
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/* FIXME: Properly respect irc casing */
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priv_key = g_hash_table_lookup(pending_exchanges, sender_lower);
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g_hash_table_steal(pending_exchanges, sender_lower);
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g_free(sender_lower);
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if (!priv_key) {
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hexchat_printf(ph, "Received a key exchange response for unknown user: %s", sender);
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goto cleanup;
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}
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} else {
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/* Regular notice */
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g_free(sender);
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return HEXCHAT_EAT_NONE;
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}
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if (dh1080_compute_key(priv_key, dh_pubkey, &secret_key)) {
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keystore_store_key(sender, secret_key, mode);
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hexchat_printf(ph, "Stored new key for %s (%s)", sender, fish_modes[mode]);
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g_free(secret_key);
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} else {
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hexchat_print(ph, "Failed to create secret key!");
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}
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cleanup:
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g_free(sender);
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g_free(priv_key);
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return HEXCHAT_EAT_ALL;
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}
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/**
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* Command handler for /setkey
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*/
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static int handle_setkey(char *word[], char *word_eol[], void *userdata) {
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const char *nick;
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const char *key;
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enum fish_mode mode;
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/* Check syntax */
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if (*word[2] == '\0') {
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hexchat_printf(ph, "%s\n", usage_setkey);
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return HEXCHAT_EAT_HEXCHAT;
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}
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if (*word[3] == '\0') {
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/* /setkey password */
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nick = hexchat_get_info(ph, "channel");
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key = word_eol[2];
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} else {
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/* /setkey #channel password */
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nick = word[2];
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key = word_eol[3];
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}
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mode = FISH_ECB_MODE;
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if (g_ascii_strncasecmp("cbc:", key, 4) == 0) {
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key = key+4;
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mode = FISH_CBC_MODE;
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} else if (g_ascii_strncasecmp("ecb:", key, 4) == 0) {
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key = key+4;
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}
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/* Set password */
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if (keystore_store_key(nick, key, mode)) {
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hexchat_printf(ph, "Stored key for %s (%s)\n", nick, fish_modes[mode]);
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} else {
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|
hexchat_printf(ph, "\00305Failed to store key in addon_fishlim.conf\n");
|
|
}
|
|
|
|
return HEXCHAT_EAT_HEXCHAT;
|
|
}
|
|
|
|
/**
|
|
* Command handler for /delkey
|
|
*/
|
|
static int handle_delkey(char *word[], char *word_eol[], void *userdata) {
|
|
char *nick = NULL;
|
|
int ctx_type = 0;
|
|
|
|
/* Delete key from input */
|
|
if (*word[2] != '\0') {
|
|
nick = g_strstrip(g_strdup(word_eol[2]));
|
|
} else { /* Delete key from current context */
|
|
nick = g_strdup(hexchat_get_info(ph, "channel"));
|
|
ctx_type = hexchat_list_int(ph, NULL, "type");
|
|
|
|
/* Only allow channel or dialog */
|
|
if (ctx_type < 2 || ctx_type > 3) {
|
|
hexchat_printf(ph, "%s\n", usage_delkey);
|
|
return HEXCHAT_EAT_HEXCHAT;
|
|
}
|
|
}
|
|
|
|
/* Delete the given nick from the key store */
|
|
if (keystore_delete_nick(nick)) {
|
|
hexchat_printf(ph, "Deleted key for %s\n", nick);
|
|
} else {
|
|
hexchat_printf(ph, "\00305Failed to delete key in addon_fishlim.conf!\n");
|
|
}
|
|
g_free(nick);
|
|
|
|
return HEXCHAT_EAT_HEXCHAT;
|
|
}
|
|
|
|
static int handle_keyx(char *word[], char *word_eol[], void *userdata) {
|
|
const char *target = word[2];
|
|
hexchat_context *query_ctx = NULL;
|
|
char *pub_key, *priv_key;
|
|
int ctx_type;
|
|
|
|
if (*target)
|
|
query_ctx = find_context_on_network(target);
|
|
else {
|
|
target = hexchat_get_info(ph, "channel");
|
|
query_ctx = hexchat_get_context (ph);
|
|
}
|
|
|
|
if (query_ctx) {
|
|
g_assert(hexchat_set_context(ph, query_ctx) == 1);
|
|
ctx_type = hexchat_list_int(ph, NULL, "type");
|
|
}
|
|
|
|
if ((query_ctx && ctx_type != 3) || (!query_ctx && !irc_is_query(target))) {
|
|
hexchat_print(ph, "You can only exchange keys with individuals");
|
|
return HEXCHAT_EAT_ALL;
|
|
}
|
|
|
|
if (dh1080_generate_key(&priv_key, &pub_key)) {
|
|
g_hash_table_replace (pending_exchanges, g_ascii_strdown(target, -1), priv_key);
|
|
|
|
hexchat_commandf(ph, "quote NOTICE %s :DH1080_INIT %s CBC", target, pub_key);
|
|
hexchat_printf(ph, "Sent public key to %s (CBC), waiting for reply...", target);
|
|
|
|
g_free(pub_key);
|
|
} else {
|
|
hexchat_print(ph, "Failed to generate keys");
|
|
}
|
|
|
|
return HEXCHAT_EAT_ALL;
|
|
}
|
|
|
|
/**
|
|
* Command handler for /topic+
|
|
*/
|
|
static int handle_crypt_topic(char *word[], char *word_eol[], void *userdata) {
|
|
const char *target;
|
|
const char *topic = word_eol[2];
|
|
enum fish_mode mode;
|
|
GString *command;
|
|
GSList *encrypted_list;
|
|
|
|
if (!*topic) {
|
|
hexchat_print(ph, usage_topic);
|
|
return HEXCHAT_EAT_ALL;
|
|
}
|
|
|
|
if (hexchat_list_int(ph, NULL, "type") != 2) {
|
|
hexchat_printf(ph, "Please change to the channel window where you want to set the topic!");
|
|
return HEXCHAT_EAT_ALL;
|
|
}
|
|
|
|
target = hexchat_get_info(ph, "channel");
|
|
|
|
/* Check if we can encrypt */
|
|
if (!fish_nick_has_key(target)) {
|
|
hexchat_printf(ph, "/topic+ error, no key found for %s", target);
|
|
return HEXCHAT_EAT_ALL;
|
|
}
|
|
|
|
command = g_string_new("");
|
|
g_string_printf(command, "TOPIC %s +OK ", target);
|
|
|
|
encrypted_list = fish_encrypt_for_nick(target, topic, &mode, get_prefix_length() + command->len);
|
|
if (!encrypted_list) {
|
|
g_string_free(command, TRUE);
|
|
hexchat_printf(ph, "/topic+ error, can't encrypt %s", target);
|
|
return HEXCHAT_EAT_ALL;
|
|
}
|
|
|
|
hexchat_commandf(ph, "%s%s", command->str, (char *) encrypted_list->data);
|
|
|
|
g_string_free(command, TRUE);
|
|
g_slist_free_full(encrypted_list, g_free);
|
|
|
|
return HEXCHAT_EAT_ALL;
|
|
}
|
|
|
|
/**
|
|
* Command handler for /notice+
|
|
*/
|
|
static int handle_crypt_notice(char *word[], char *word_eol[], void *userdata) {
|
|
const char *target = word[2];
|
|
const char *notice = word_eol[3];
|
|
char *notice_flag;
|
|
enum fish_mode mode;
|
|
GString *command;
|
|
GSList *encrypted_list, *encrypted_item;
|
|
|
|
if (!*target || !*notice) {
|
|
hexchat_print(ph, usage_notice);
|
|
return HEXCHAT_EAT_ALL;
|
|
}
|
|
|
|
/* Check if we can encrypt */
|
|
if (!fish_nick_has_key(target)) {
|
|
hexchat_printf(ph, "/notice+ error, no key found for %s.", target);
|
|
return HEXCHAT_EAT_ALL;
|
|
}
|
|
|
|
command = g_string_new("");
|
|
g_string_printf(command, "quote NOTICE %s :+OK ", target);
|
|
|
|
encrypted_list = fish_encrypt_for_nick(target, notice, &mode, get_prefix_length() + command->len);
|
|
if (!encrypted_list) {
|
|
g_string_free(command, TRUE);
|
|
hexchat_printf(ph, "/notice+ error, can't encrypt %s", target);
|
|
return HEXCHAT_EAT_ALL;
|
|
}
|
|
|
|
notice_flag = g_strconcat("[", fish_modes[mode], "] ", notice, NULL);
|
|
hexchat_emit_print(ph, "Notice Send", target, notice_flag);
|
|
|
|
/* Send encrypted messages */
|
|
encrypted_item = encrypted_list;
|
|
while (encrypted_item) {
|
|
hexchat_commandf(ph, "%s%s", command->str, (char *) encrypted_item->data);
|
|
|
|
encrypted_item = encrypted_item->next;
|
|
}
|
|
|
|
g_free(notice_flag);
|
|
g_string_free(command, TRUE);
|
|
g_slist_free_full(encrypted_list, g_free);
|
|
|
|
return HEXCHAT_EAT_ALL;
|
|
}
|
|
|
|
/**
|
|
* Command handler for /msg+
|
|
*/
|
|
static int handle_crypt_msg(char *word[], char *word_eol[], void *userdata) {
|
|
const char *target = word[2];
|
|
const char *message = word_eol[3];
|
|
char *message_flag;
|
|
char *prefix;
|
|
hexchat_context *query_ctx;
|
|
enum fish_mode mode;
|
|
GString *command;
|
|
GSList *encrypted_list, *encrypted_item;
|
|
|
|
if (!*target || !*message) {
|
|
hexchat_print(ph, usage_msg);
|
|
return HEXCHAT_EAT_ALL;
|
|
}
|
|
|
|
/* Check if we can encrypt */
|
|
if (!fish_nick_has_key(target)) {
|
|
hexchat_printf(ph, "/msg+ error, no key found for %s", target);
|
|
return HEXCHAT_EAT_ALL;
|
|
}
|
|
|
|
command = g_string_new("");
|
|
g_string_printf(command, "PRIVMSG %s :+OK ", target);
|
|
|
|
encrypted_list = fish_encrypt_for_nick(target, message, &mode, get_prefix_length() + command->len);
|
|
if (!encrypted_list) {
|
|
g_string_free(command, TRUE);
|
|
hexchat_printf(ph, "/msg+ error, can't encrypt %s", target);
|
|
return HEXCHAT_EAT_ALL;
|
|
}
|
|
|
|
/* Send encrypted messages */
|
|
encrypted_item = encrypted_list;
|
|
while (encrypted_item) {
|
|
hexchat_commandf(ph, "%s%s", command->str, (char *) encrypted_item->data);
|
|
|
|
encrypted_item = encrypted_item->next;
|
|
}
|
|
|
|
g_string_free(command, TRUE);
|
|
g_slist_free_full(encrypted_list, g_free);
|
|
|
|
query_ctx = find_context_on_network(target);
|
|
if (query_ctx) {
|
|
g_assert(hexchat_set_context(ph, query_ctx) == 1);
|
|
|
|
prefix = get_my_own_prefix();
|
|
|
|
/* Add encrypted flag */
|
|
message_flag = g_strconcat("[", fish_modes[mode], "] ", message, NULL);
|
|
hexchat_emit_print(ph, "Your Message", hexchat_get_info(ph, "nick"), message_flag, prefix, NULL);
|
|
g_free(prefix);
|
|
g_free(message_flag);
|
|
} else {
|
|
hexchat_emit_print(ph, "Message Send", target, message);
|
|
}
|
|
|
|
return HEXCHAT_EAT_ALL;
|
|
}
|
|
|
|
static int handle_crypt_me(char *word[], char *word_eol[], void *userdata) {
|
|
const char *channel = hexchat_get_info(ph, "channel");
|
|
enum fish_mode mode;
|
|
GString *command;
|
|
GSList *encrypted_list, *encrypted_item;
|
|
|
|
/* Check if we can encrypt */
|
|
if (!fish_nick_has_key(channel)) {
|
|
return HEXCHAT_EAT_NONE;
|
|
}
|
|
|
|
command = g_string_new("");
|
|
g_string_printf(command, "PRIVMSG %s :\001ACTION +OK ", channel);
|
|
|
|
/* 2 = ' \001' */
|
|
encrypted_list = fish_encrypt_for_nick(channel, word_eol[2], &mode, get_prefix_length() + command->len + 2);
|
|
if (!encrypted_list) {
|
|
g_string_free(command, TRUE);
|
|
hexchat_printf(ph, "/me error, can't encrypt %s", channel);
|
|
return HEXCHAT_EAT_ALL;
|
|
}
|
|
|
|
hexchat_emit_print(ph, "Your Action", hexchat_get_info(ph, "nick"), word_eol[2], NULL);
|
|
|
|
/* Send encrypted messages */
|
|
encrypted_item = encrypted_list;
|
|
while (encrypted_item) {
|
|
hexchat_commandf(ph, "%s%s \001", command->str, (char *) encrypted_item->data);
|
|
|
|
encrypted_item = encrypted_item->next;
|
|
}
|
|
|
|
g_string_free(command, TRUE);
|
|
g_slist_free_full(encrypted_list, g_free);
|
|
|
|
return HEXCHAT_EAT_ALL;
|
|
}
|
|
|
|
/**
|
|
* Returns the plugin name version information.
|
|
*/
|
|
void hexchat_plugin_get_info(const char **name, const char **desc,
|
|
const char **version, void **reserved) {
|
|
*name = plugin_name;
|
|
*desc = plugin_desc;
|
|
*version = plugin_version;
|
|
}
|
|
|
|
/**
|
|
* Plugin entry point.
|
|
*/
|
|
int hexchat_plugin_init(hexchat_plugin *plugin_handle,
|
|
const char **name,
|
|
const char **desc,
|
|
const char **version,
|
|
char *arg) {
|
|
ph = plugin_handle;
|
|
|
|
/* Send our info to HexChat */
|
|
*name = plugin_name;
|
|
*desc = plugin_desc;
|
|
*version = plugin_version;
|
|
|
|
/* Register commands */
|
|
hexchat_hook_command(ph, "SETKEY", HEXCHAT_PRI_NORM, handle_setkey, usage_setkey, NULL);
|
|
hexchat_hook_command(ph, "DELKEY", HEXCHAT_PRI_NORM, handle_delkey, usage_delkey, NULL);
|
|
hexchat_hook_command(ph, "KEYX", HEXCHAT_PRI_NORM, handle_keyx, usage_keyx, NULL);
|
|
hexchat_hook_command(ph, "TOPIC+", HEXCHAT_PRI_NORM, handle_crypt_topic, usage_topic, NULL);
|
|
hexchat_hook_command(ph, "NOTICE+", HEXCHAT_PRI_NORM, handle_crypt_notice, usage_notice, NULL);
|
|
hexchat_hook_command(ph, "MSG+", HEXCHAT_PRI_NORM, handle_crypt_msg, usage_msg, NULL);
|
|
hexchat_hook_command(ph, "ME", HEXCHAT_PRI_NORM, handle_crypt_me, NULL, NULL);
|
|
|
|
/* Add handlers */
|
|
hexchat_hook_command(ph, "", HEXCHAT_PRI_NORM, handle_outgoing, NULL, NULL);
|
|
hexchat_hook_server(ph, "NOTICE", HEXCHAT_PRI_HIGHEST, handle_keyx_notice, NULL);
|
|
hexchat_hook_server_attrs(ph, "NOTICE", HEXCHAT_PRI_NORM, handle_incoming, NULL);
|
|
hexchat_hook_server_attrs(ph, "PRIVMSG", HEXCHAT_PRI_NORM, handle_incoming, NULL);
|
|
/* hexchat_hook_server(ph, "RAW LINE", HEXCHAT_PRI_NORM, handle_debug, NULL); */
|
|
hexchat_hook_server_attrs(ph, "TOPIC", HEXCHAT_PRI_NORM, handle_incoming, NULL);
|
|
hexchat_hook_server_attrs(ph, "332", HEXCHAT_PRI_NORM, handle_incoming, NULL);
|
|
|
|
if (!dh1080_init())
|
|
return 0;
|
|
|
|
pending_exchanges = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, g_free);
|
|
|
|
hexchat_printf(ph, "%s plugin loaded\n", plugin_name);
|
|
/* Return success */
|
|
return 1;
|
|
}
|
|
|
|
int hexchat_plugin_deinit(void) {
|
|
g_clear_pointer(&pending_exchanges, g_hash_table_destroy);
|
|
dh1080_deinit();
|
|
|
|
hexchat_printf(ph, "%s plugin unloaded\n", plugin_name);
|
|
return 1;
|
|
}
|
|
|