diff options
Diffstat (limited to 'src/irc/core/modes.c')
| -rw-r--r-- | src/irc/core/modes.c | 451 |
1 files changed, 451 insertions, 0 deletions
diff --git a/src/irc/core/modes.c b/src/irc/core/modes.c new file mode 100644 index 00000000..b73d5eb8 --- /dev/null +++ b/src/irc/core/modes.c @@ -0,0 +1,451 @@ +/* + modes.c : irssi + + Copyright (C) 1999-2000 Timo Sirainen + + This program 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 2 of the License, or + (at your option) any later version. + + This program 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 this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ + +#include "module.h" +#include "commands.h" +#include "signals.h" + +#include "irc.h" +#include "mode-lists.h" +#include "nicklist.h" + +/* Change nick's mode in channel */ +static void nick_mode_change(CHANNEL_REC *channel, const char *nick, const char mode, gboolean set) +{ + NICK_REC *nickrec; + + g_return_if_fail(channel != NULL); + g_return_if_fail(nick != NULL); + + nickrec = nicklist_find(channel, nick); + if (nickrec == NULL) return; /* No /names list got yet */ + + if (mode == '@') nickrec->op = set; + if (mode == '+') nickrec->voice = set; + + signal_emit("nick mode changed", 2, channel, nickrec); +} + +/* Parse channel mode string */ +void parse_channel_modes(CHANNEL_REC *channel, const char *setby, const char *mode) +{ + char *dup, *modestr, *ptr, *curmode, type; + + g_return_if_fail(channel != NULL); + g_return_if_fail(setby != NULL); + g_return_if_fail(modestr != NULL); + + type = '+'; + + dup = modestr = g_strdup(mode); + curmode = cmd_get_param(&modestr); + while (*curmode != '\0') { + switch (*curmode) { + case '+': + case '-': + type = *curmode; + break; + + case 'b': + ptr = cmd_get_param(&modestr); + if (*ptr == '\0') break; + + if (type == '+') + banlist_add(channel, ptr, setby, time(NULL)); + else + banlist_remove(channel, ptr); + break; + + case 'e': + ptr = cmd_get_param(&modestr); + if (*ptr == '\0') break; + + if (type == '+') + banlist_exception_add(channel, ptr, setby, time(NULL)); + else + banlist_exception_remove(channel, ptr); + break; + + case 'I': + ptr = cmd_get_param(&modestr); + if (*ptr == '\0') break; + + if (type == '+') + invitelist_add(channel, ptr); + else + invitelist_remove(channel, ptr); + break; + + case 'v': + ptr = cmd_get_param(&modestr); + if (*ptr != '\0') + nick_mode_change(channel, ptr, '+', type == '+'); + break; + + case 'o': + ptr = cmd_get_param(&modestr); + if (*ptr == '\0') break; + + if (strcmp(channel->server->nick, ptr) == 0) + channel->chanop = type == '+' ? TRUE : FALSE; + nick_mode_change(channel, ptr, '@', type == '+'); + break; + + case 'l': + if (type == '-') + channel->limit = 0; + else { + ptr = cmd_get_param(&modestr); + sscanf(ptr, "%d", &channel->limit); + } + signal_emit("channel mode changed", 1, channel); + break; + case 'k': + ptr = cmd_get_param(&modestr); + if (*ptr != '\0' || type == '-') { + g_free_and_null(channel->key); + if (type == '+') { + channel->key = g_strdup(ptr); + channel->mode_key = TRUE; + } + } + signal_emit("channel mode changed", 1, channel); + break; + + default: + switch (*curmode) { + case 'i': + channel->mode_invite = type == '+'; + break; + case 'm': + channel->mode_moderate = type == '+'; + break; + case 's': + channel->mode_secret = type == '+'; + break; + case 'p': + channel->mode_private = type == '+'; + break; + case 'n': + channel->mode_nomsgs = type == '+'; + break; + case 't': + channel->mode_optopic = type == '+'; + break; + case 'a': + channel->mode_anonymous = type == '+'; + break; + case 'r': + channel->mode_reop = type == '+'; + break; + } + signal_emit("channel mode changed", 1, channel); + break; + } + + curmode++; + } + g_free(dup); + + if (!channel->mode_key && channel->key != NULL) { + /* join was used with key but there's no key set + in channel modes.. */ + g_free(channel->key); + channel->key = NULL; + } +} + +static int compare_char(const void *p1, const void *p2) +{ + const char *c1 = p1, *c2 = p2; + + return *c1 < *c2 ? -1 : + (*c1 > *c2 ? 1 : 0); +} + +/* add `mode' to `old' - return newly allocated mode. */ +char *modes_join(const char *old, const char *mode) +{ + GString *newmode; + char type, *p; + + g_return_val_if_fail(mode != NULL, NULL); + + type = '+'; + newmode = g_string_new(old); + while (*mode != '\0' && *mode != ' ') { + if (*mode == '+' || *mode == '-') { + type = *mode; + } else { + p = strchr(newmode->str, *mode); + + if (type == '+' && p == NULL) + g_string_append_c(newmode, *mode); + else if (type == '-' && p != NULL) + g_string_erase(newmode, (int) (p-newmode->str), 1); + } + + mode++; + } + + qsort(newmode->str, sizeof(char), newmode->len, compare_char); + + p = newmode->str; + g_string_free(newmode, FALSE); + return p; +} + +/* Parse user mode string */ +static void parse_user_mode(IRC_SERVER_REC *server, const char *modestr) +{ + char *newmode, *oldmode; + + g_return_if_fail(server != NULL); + g_return_if_fail(modestr != NULL); + + newmode = modes_join(server->usermode, modestr); + oldmode = server->usermode; + server->usermode = newmode; + server->server_operator = (strchr(newmode, 'o') != NULL); + + signal_emit("user mode changed", 2, server, oldmode); + g_free_not_null(oldmode); +} + +static void event_user_mode(const char *data, IRC_SERVER_REC *server) +{ + char *params, *nick, *mode; + + g_return_if_fail(data != NULL); + + params = event_get_params(data, 3, NULL, &nick, &mode); + parse_user_mode(server, mode); + + g_free(params); +} + +static void event_mode(const char *data, IRC_SERVER_REC *server, const char *nick) +{ + CHANNEL_REC *chanrec; + char *params, *channel, *mode; + + g_return_if_fail(data != NULL); + + params = event_get_params(data, 2 | PARAM_FLAG_GETREST, &channel, &mode); + + if (!ischannel(*channel)) { + /* user mode change */ + parse_user_mode(server, mode); + } else { + /* channel mode change */ + chanrec = channel_find(server, channel); + if (chanrec != NULL) + parse_channel_modes(chanrec, nick, mode); + } + + g_free(params); +} + +static void event_away(const char *data, IRC_SERVER_REC *server) +{ + g_return_if_fail(server != NULL); + + server->usermode_away = TRUE; + signal_emit("away mode changed", 1, server); +} + +static void event_unaway(const char *data, IRC_SERVER_REC *server) +{ + g_return_if_fail(server != NULL); + + server->usermode_away = FALSE; + g_free_and_null(server->away_reason); + signal_emit("away mode changed", 1, server); +} + +void channel_set_singlemode(IRC_SERVER_REC *server, const char *channel, const char *nicks, const char *mode) +{ + GString *str; + int num, modepos; + char **nick, **nicklist; + + g_return_if_fail(server != NULL); + g_return_if_fail(channel != NULL); + g_return_if_fail(nicks != NULL); + g_return_if_fail(mode != NULL); + if (*nicks == '\0') return; + + num = modepos = 0; + str = g_string_new(NULL); + + nicklist = g_strsplit(nicks, " ", -1); + for (nick = nicklist; *nick != NULL; nick++) { + if (num == 0) + { + g_string_sprintf(str, "MODE %s %s", channel, mode); + modepos = str->len; + } else { + /* insert the mode string */ + g_string_insert(str, modepos, mode); + } + + g_string_sprintfa(str, " %s", *nick); + + if (++num == server->connrec->max_modes) { + /* max. modes / command reached, send to server */ + irc_send_cmd(server, str->str); + num = 0; + } + } + if (num > 0) irc_send_cmd(server, str->str); + + g_strfreev(nicklist); + g_string_free(str, TRUE); +} + +#define MODE_HAS_ARG(c) ((c) == 'b' || (c) == 'e' || (c) == 'I' || \ + (c) == 'v' || (c) == 'o' || (c) == 'l' || (c) == 'k') + +void channel_set_mode(IRC_SERVER_REC *server, const char *channel, const char *mode) +{ + char *modestr, *curmode, type, *orig; + GString *tmode, *targs; + int count; + + g_return_if_fail(server != NULL); + g_return_if_fail(channel != NULL); + g_return_if_fail(modestr != NULL); + + tmode = g_string_new(NULL); + targs = g_string_new(NULL); + type = '+'; count = 0; + + orig = modestr = g_strdup(mode); + + curmode = cmd_get_param(&modestr); + for (; *curmode != '\0'; curmode++) { + if (*curmode == '+' || *curmode == '-') { + type = *curmode; + continue; + } + + if (count == server->connrec->max_modes && MODE_HAS_ARG(*curmode)) { + irc_send_cmdv(server, "MODE %s %s%s", channel, tmode->str, targs->str); + + count = 0; + g_string_truncate(tmode, 0); + g_string_truncate(targs, 0); + } + + g_string_append_c(tmode, *curmode); + + if (MODE_HAS_ARG(*curmode)) { + char *arg; + + count++; + arg = cmd_get_param(&modestr); + if (*arg != '\0') g_string_sprintfa(targs, " %s", arg); + } + } + + if (tmode->len > 0) + irc_send_cmdv(server, "MODE %s %s%s", channel, tmode->str, targs->str); + + g_string_free(tmode, TRUE); + g_string_free(targs, TRUE); + g_free(orig); +} + +static void cmd_op(gchar *data, IRC_SERVER_REC *server, WI_IRC_REC *item) +{ + if (!irc_item_channel(item)) return; + channel_set_singlemode(server, item->name, data, "+o"); +} + +static void cmd_deop(const char *data, IRC_SERVER_REC *server, WI_IRC_REC *item) +{ + if (!irc_item_channel(item)) return; + channel_set_singlemode(server, item->name, data, "-o"); +} + +static void cmd_voice(const char *data, IRC_SERVER_REC *server, WI_IRC_REC *item) +{ + if (!irc_item_channel(item)) return; + channel_set_singlemode(server, item->name, data, "+v"); +} + +static void cmd_devoice(const char *data, IRC_SERVER_REC *server, WI_IRC_REC *item) +{ + if (!irc_item_channel(item)) return; + channel_set_singlemode(server, item->name, data, "-v"); +} + +static void cmd_mode(const char *data, IRC_SERVER_REC *server, WI_IRC_REC *item) +{ + char *params, *target, *mode; + + g_return_if_fail(data != NULL); + if (server == NULL || !server->connected || !irc_server_check(server)) + cmd_return_error(CMDERR_NOT_CONNECTED); + + params = cmd_get_params(data, 2 | PARAM_FLAG_GETREST, &target, &mode); + if (strcmp(target, "*") == 0) { + if (!irc_item_channel(item)) + cmd_return_error(CMDERR_NOT_JOINED); + + target = item->name; + } + if (*target == '\0') cmd_param_error(CMDERR_NOT_ENOUGH_PARAMS); + + if (ischannel(*target)) + channel_set_mode(server, target, mode); + else + irc_send_cmdv(server, "MODE %s %s", target, mode); + + g_free(params); +} + +void modes_init(void) +{ + signal_add("event 221", (SIGNAL_FUNC) event_user_mode); + signal_add("event 305", (SIGNAL_FUNC) event_unaway); + signal_add("event 306", (SIGNAL_FUNC) event_away); + signal_add("event mode", (SIGNAL_FUNC) event_mode); + + command_bind("op", NULL, (SIGNAL_FUNC) cmd_op); + command_bind("deop", NULL, (SIGNAL_FUNC) cmd_deop); + command_bind("voice", NULL, (SIGNAL_FUNC) cmd_voice); + command_bind("devoice", NULL, (SIGNAL_FUNC) cmd_devoice); + command_bind("mode", NULL, (SIGNAL_FUNC) cmd_mode); +} + +void modes_deinit(void) +{ + signal_remove("event 221", (SIGNAL_FUNC) event_user_mode); + signal_remove("event 305", (SIGNAL_FUNC) event_unaway); + signal_remove("event 306", (SIGNAL_FUNC) event_away); + signal_remove("event mode", (SIGNAL_FUNC) event_mode); + + command_unbind("op", (SIGNAL_FUNC) cmd_op); + command_unbind("deop", (SIGNAL_FUNC) cmd_deop); + command_unbind("voice", (SIGNAL_FUNC) cmd_voice); + command_unbind("devoice", (SIGNAL_FUNC) cmd_devoice); + command_unbind("mode", (SIGNAL_FUNC) cmd_mode); +} |