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/*
masks.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.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "module.h"
#include "network.h"
#include "misc.h"
#include "servers.h"
/* Returns TRUE if mask contains '!' ie. address should be checked too.
Also checks if mask contained any wildcards. */
static int check_address(const char *mask, int *wildcards)
{
int ret;
*wildcards = FALSE;
ret = FALSE;
while (*mask != '\0') {
if (*mask == '!') {
if (*wildcards) return TRUE;
ret = TRUE;
}
if (*mask == '?' || *mask == '*') {
*wildcards = TRUE;
if (ret) return TRUE;
}
mask++;
}
return ret;
}
static int check_mask(SERVER_REC *server, const char *mask,
const char *str, int wildcards)
{
if (server != NULL && server->mask_match_func != NULL) {
/* use server specified mask match function */
return server->mask_match_func(mask, str);
}
return wildcards ? match_wildcards(mask, str) :
g_ascii_strcasecmp(mask, str) == 0;
}
int mask_match(SERVER_REC *server, const char *mask,
const char *nick, const char *user, const char *host)
{
char *str;
int ret, wildcards;
g_return_val_if_fail(server == NULL || IS_SERVER(server), FALSE);
g_return_val_if_fail(mask != NULL && nick != NULL &&
nick != NULL && host != NULL, FALSE);
str = !check_address(mask, &wildcards) ? (char *) nick :
g_strdup_printf("%s!%s@%s", nick, user, host);
ret = check_mask(server, mask, str, wildcards);
if (str != nick) g_free(str);
return ret;
}
int mask_match_address(SERVER_REC *server, const char *mask,
const char *nick, const char *address)
{
char *str;
int ret, wildcards;
g_return_val_if_fail(server == NULL || IS_SERVER(server), FALSE);
g_return_val_if_fail(mask != NULL && nick != NULL, FALSE);
if (address == NULL) address = "";
str = !check_address(mask, &wildcards) ? (char *) nick :
g_strdup_printf("%s!%s", nick, address);
ret = check_mask(server, mask, str, wildcards);
if (str != nick) g_free(str);
return ret;
}
int masks_match(SERVER_REC *server, const char *masks,
const char *nick, const char *address)
{
int (*mask_match_func)(const char *, const char *);
char **list, **tmp, *mask;
int found;
g_return_val_if_fail(server == NULL || IS_SERVER(server), FALSE);
g_return_val_if_fail(masks != NULL &&
nick != NULL && address != NULL, FALSE);
if (*masks == '\0')
return FALSE;
mask_match_func = server != NULL && server->mask_match_func != NULL ?
server->mask_match_func : match_wildcards;
found = FALSE;
mask = g_strdup_printf("%s!%s", nick, address);
list = g_strsplit(masks, " ", -1);
for (tmp = list; *tmp != NULL; tmp++) {
if (g_ascii_strcasecmp(*tmp, nick) == 0) {
found = TRUE;
break;
}
if (mask_match_func(*tmp, mask)) {
found = TRUE;
break;
}
}
g_strfreev(list);
g_free(mask);
return found;
}
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