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138 lines
3.6 KiB
C
138 lines
3.6 KiB
C
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/*
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masks.c : irssi
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Copyright (C) 1999-2000 Timo Sirainen
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "module.h"
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#include "network.h"
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#include "misc.h"
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#include "servers.h"
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typedef int (*MASK_MATCH_FUNC) (const char *, const char *);
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/* Returns TRUE if mask contains '!' ie. address should be checked too.
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Also checks if mask contained any wildcards. */
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static int check_address(const char *mask, int *wildcards)
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{
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int ret;
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ret = FALSE;
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while (*mask != '\0') {
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if (*mask == '!') {
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if (*wildcards) return TRUE;
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ret = TRUE;
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}
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if (*mask == '?' || *mask == '*') {
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*wildcards = TRUE;
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if (ret) return TRUE;
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}
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mask++;
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}
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return ret;
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}
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static int check_mask(SERVER_REC *server, const char *mask,
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const char *str, int wildcards)
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{
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MASK_MATCH_FUNC mask_match_func;
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if (server != NULL && server->mask_match_func != NULL) {
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/* use server specified mask match function */
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mask_match_func = (MASK_MATCH_FUNC)server->mask_match_func;
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return mask_match_func(mask, str);
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}
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return wildcards ? match_wildcards(mask, str) :
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g_strcasecmp(mask, str) == 0;
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}
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int mask_match(SERVER_REC *server, const char *mask,
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const char *nick, const char *user, const char *host)
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{
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char *str;
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int ret, wildcards;
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g_return_val_if_fail(server == NULL || IS_SERVER(server), FALSE);
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g_return_val_if_fail(mask != NULL && nick != NULL &&
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nick != NULL && host != NULL, FALSE);
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str = !check_address(mask, &wildcards) ? (char *) nick :
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g_strdup_printf("%s!%s@%s", nick, user, host);
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ret = check_mask(server, mask, str, wildcards);
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if (str != nick) g_free(str);
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return ret;
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}
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int mask_match_address(SERVER_REC *server, const char *mask,
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const char *nick, const char *address)
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{
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char *str;
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int ret, wildcards;
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g_return_val_if_fail(server == NULL || IS_SERVER(server), FALSE);
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g_return_val_if_fail(mask != NULL && nick != NULL, FALSE);
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if (address == NULL) address = "";
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str = !check_address(mask, &wildcards) ? (char *) nick :
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g_strdup_printf("%s!%s", nick, address);
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ret = check_mask(server, mask, str, wildcards);
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if (str != nick) g_free(str);
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return ret;
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}
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int masks_match(SERVER_REC *server, const char *masks,
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const char *nick, const char *address)
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{
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MASK_MATCH_FUNC mask_match_func;
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char **list, **tmp, *mask;
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int found;
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g_return_val_if_fail(server == NULL || IS_SERVER(server), FALSE);
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g_return_val_if_fail(masks != NULL &&
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nick != NULL && address != NULL, FALSE);
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mask_match_func = server != NULL && server->mask_match_func != NULL ?
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(MASK_MATCH_FUNC) server->mask_match_func :
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(MASK_MATCH_FUNC) match_wildcards;
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found = FALSE;
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mask = g_strdup_printf("%s!%s", nick, address);
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list = g_strsplit(masks, " ", -1);
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for (tmp = list; *tmp != NULL; tmp++) {
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if (strchr(*tmp, '!') == NULL &&
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g_strcasecmp(*tmp, nick) == 0) {
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found = TRUE;
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break;
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}
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if (mask_match_func(*tmp, mask)) {
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found = TRUE;
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break;
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}
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}
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g_strfreev(list);
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g_free(mask);
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return found;
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}
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