349 lines
9.1 KiB
C
Executable file
349 lines
9.1 KiB
C
Executable file
/* NeoStats - IRC Statistical Services Copyright (c) 1999-2002 NeoStats Group Inc.
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** Copyright (c) 1999-2002 Adam Rutter, Justin Hammond
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** http://www.neostats.net/
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**
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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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**
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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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**
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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
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** USA
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**
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** NeoStats CVS Identification
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** $Id$
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*/
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#include "modconfig.h"
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#include <stdio.h>
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#ifdef HAVE_CRYPT_H
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#include <crypt.h>
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#else
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#include <unistd.h>
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#endif
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#include "neostats.h"
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#include "SecureServ.h"
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/* this is the size of the exempt list */
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#define MAX_EXEMPTS 100
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typedef struct exemptinfo {
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char host[MAXHOST];
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int server;
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char who[MAXNICK];
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char reason[MAXREASON];
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}exemptinfo;
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static char confbuf[CONFBUFSIZE];
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static char ss_buf[SS_BUF_SIZE];
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/* this is the list of exempted hosts/servers */
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static list_t *exempt;
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static void SS_load_exempts(void);
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int SS_InitExempts(void)
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{
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SET_SEGV_LOCATION();
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/* init the exemptions list */
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exempt = list_create(MAX_EXEMPTS);
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SS_load_exempts();
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return 1;
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}
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static void SS_save_exempts()
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{
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lnode_t *node;
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exemptinfo *exempts = NULL;
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int i;
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SET_SEGV_LOCATION();
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node = list_first(exempt);
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i = 1;
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while (node) {
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exempts = lnode_get(node);
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nlog(LOG_DEBUG1, LOG_MOD, "Saving Exempt List %s", exempts->host);
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ircsnprintf(ss_buf, SS_BUF_SIZE, "Exempt/%s/Who", exempts->host);
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SetConf((void *)exempts->who, CFGSTR, ss_buf);
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ircsnprintf(ss_buf, SS_BUF_SIZE, "Exempt/%s/Reason", exempts->host);
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SetConf((void *)exempts->reason, CFGSTR, ss_buf);
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ircsnprintf(ss_buf, SS_BUF_SIZE, "Exempt/%s/Server", exempts->host);
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SetConf((void *)exempts->server, CFGINT, ss_buf);
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node = list_next(exempt, node);
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}
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}
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static void SS_load_exempts(void)
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{
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exemptinfo *exempts = NULL;
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lnode_t *node;
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int i;
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char *tmp;
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char **data;
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SET_SEGV_LOCATION();
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if (GetDir("Exempt", &data) > 0) {
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/* try */
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for (i = 0; data[i] != NULL; i++) {
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exempts = malloc(sizeof(exemptinfo));
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strlcpy(exempts->host, data[i], MAXHOST);
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ircsnprintf(confbuf, CONFBUFSIZE, "Exempt/%s/Who", data[i]);
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if (GetConf((void *)&tmp, CFGSTR, confbuf) <= 0) {
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free(exempts);
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continue;
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} else {
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strlcpy(exempts->who, tmp, MAXNICK);
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free(tmp);
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}
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ircsnprintf(confbuf, CONFBUFSIZE, "Exempt/%s/Reason", data[i]);
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if (GetConf((void *)&tmp, CFGSTR, confbuf) <= 0) {
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free(exempts);
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continue;
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} else {
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strlcpy(exempts->reason, tmp, MAXREASON);
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free(tmp);
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}
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ircsnprintf(confbuf, CONFBUFSIZE, "Exempt/%s/Server", data[i]);
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if (GetConf((void *)&exempts->server, CFGINT, confbuf) <= 0) {
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free(exempts);
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continue;
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}
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nlog(LOG_DEBUG2, LOG_MOD, "Adding %s (%d) Set by %s for %s to Exempt List", exempts->host, exempts->server, exempts->who, exempts->reason);
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node = lnode_create(exempts);
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list_prepend(exempt, node);
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}
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free(data);
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}
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}
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int SS_IsUserExempt(User *u)
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{
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lnode_t *node;
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exemptinfo *exempts;
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SET_SEGV_LOCATION();
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if (!strcasecmp(u->server->name, me.name)) {
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nlog(LOG_DEBUG1, LOG_MOD, "SecureServ: User %s Exempt. its Me!", u->nick);
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return 1;
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}
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/* don't scan users from a server that is excluded */
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node = list_first(exempt);
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while (node) {
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exempts = lnode_get(node);
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if (exempts->server == 1) {
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/* match a server */
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if (match(exempts->host, u->server->name)) {
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nlog(LOG_DEBUG1, LOG_MOD, "User %s exempt. Matched server entry %s in Exemptions", u->nick, exempts->host);
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return 1;
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}
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} else if (exempts->server == 0) {
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/* match a hostname */
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if (match(exempts->host, u->hostname)) {
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nlog(LOG_DEBUG1, LOG_MOD, "SecureServ: User %s is exempt. Matched Host Entry %s in Exceptions", u->nick, exempts->host);
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return 1;
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}
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}
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node = list_next(exempt, node);
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}
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return -1;
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}
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int SS_IsChanExempt(Chans *c)
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{
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lnode_t *node;
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exemptinfo *exempts;
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SET_SEGV_LOCATION();
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if (!strcasecmp(c->name, me.chan)) {
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nlog(LOG_DEBUG1, LOG_MOD, "SecureServ: Channel %s Exempt. its Mine!", c->name);
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return 1;
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}
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/* don't scan users from a server that is excluded */
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node = list_first(exempt);
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while (node) {
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exempts = lnode_get(node);
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if (exempts->server == 2) {
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/* match a channel */
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if (match(exempts->host, c->name)) {
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nlog(LOG_DEBUG1, LOG_MOD, "SecureServ: Channel %s exempt. Matched Channel entry %s in Exemptions", c->name, exempts->host);
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return 1;
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}
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}
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node = list_next(exempt, node);
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}
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return -1;
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}
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static int SS_do_exempt_list(User* u, char **argv, int argc)
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{
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lnode_t *node;
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exemptinfo *exempts = NULL;
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int i;
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SET_SEGV_LOCATION();
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node = list_first(exempt);
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i = 1;
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prefmsg(u->nick, s_SecureServ, "Exception List:");
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while (node) {
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exempts = lnode_get(node);
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switch (exempts->server) {
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case 0:
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strlcpy(ss_buf, "HostName", SS_BUF_SIZE);
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break;
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case 1:
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strlcpy(ss_buf, "Server", SS_BUF_SIZE);
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break;
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case 2:
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strlcpy(ss_buf, "Channel", SS_BUF_SIZE);
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break;
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default:
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strlcpy(ss_buf, "Unknown", SS_BUF_SIZE);
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break;
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}
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prefmsg(u->nick, s_SecureServ, "%d) %s (%s) Added by %s for %s", i, exempts->host, ss_buf, exempts->who, exempts->reason);
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++i;
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node = list_next(exempt, node);
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}
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prefmsg(u->nick, s_SecureServ, "End of List.");
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chanalert(s_SecureServ, "%s requested Exception List", u->nick);
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return 1;
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}
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static int SS_do_exempt_add(User* u, char **argv, int argc)
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{
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char *buf;
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lnode_t *node;
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exemptinfo *exempts = NULL;
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SET_SEGV_LOCATION();
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if (argc < 6) {
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prefmsg(u->nick, s_SecureServ, "Syntax Error. /msg %s help exclude", s_SecureServ);
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return 0;
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}
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if (list_isfull(exempt)) {
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prefmsg(u->nick, s_SecureServ, "Error, Exception list is full");
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return 0;
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}
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if (atoi(argv[4]) != 2) {
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if (!index(argv[3], '.')) {
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prefmsg(u->nick, s_SecureServ, "Host field does not contain a vaild host");
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return 0;
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}
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} else {
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if (!index(argv[3], '#')) {
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prefmsg(u->nick, s_SecureServ, "Channel Field is not valid");
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return 0;
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}
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}
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exempts = malloc(sizeof(exemptinfo));
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strlcpy(exempts->host, argv[3], MAXHOST);
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exempts->server = atoi(argv[4]);
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strlcpy(exempts->who, u->nick, MAXNICK);
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buf = joinbuf(argv, argc, 5);
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strlcpy(exempts->reason, buf, MAXREASON);
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free(buf);
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node = lnode_create(exempts);
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list_append(exempt, node);
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switch (exempts->server) {
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case 0:
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strlcpy(ss_buf, "HostName", SS_BUF_SIZE);
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break;
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case 1:
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strlcpy(ss_buf, "Server", SS_BUF_SIZE);
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break;
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case 2:
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strlcpy(ss_buf, "Channel", SS_BUF_SIZE);
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break;
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default:
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strlcpy(ss_buf, "Unknown", SS_BUF_SIZE);
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break;
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}
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prefmsg(u->nick, s_SecureServ, "Added %s (%s) exception to list", exempts->host, ss_buf);
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chanalert(s_SecureServ, "%s added %s (%s) exception to list", u->nick, exempts->host, ss_buf);
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SS_save_exempts();
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return 1;
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}
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static int SS_do_exempt_del(User* u, char **argv, int argc)
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{
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char *buf;
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lnode_t *node;
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exemptinfo *exempts = NULL;
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int i;
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SET_SEGV_LOCATION();
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if (argc < 4) {
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prefmsg(u->nick, s_SecureServ, "Syntax Error. /msg %s help exclude", s_SecureServ);
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return 0;
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}
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if (atoi(argv[3]) != 0) {
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node = list_first(exempt);
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i = 1;
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while (node) {
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if (i == atoi(argv[3])) {
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/* delete the entry */
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exempts = lnode_get(node);
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list_delete(exempt, node);
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switch (exempts->server) {
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case 0:
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strlcpy(ss_buf, "HostName", SS_BUF_SIZE);
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break;
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case 1:
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strlcpy(ss_buf, "Server", SS_BUF_SIZE);
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break;
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case 2:
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strlcpy(ss_buf, "Channel", SS_BUF_SIZE);
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break;
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default:
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strlcpy(ss_buf, "Unknown", SS_BUF_SIZE);
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break;
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}
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prefmsg(u->nick, s_SecureServ, "Deleted %s %s out of exception list", exempts->host, ss_buf);
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chanalert(s_SecureServ, "%s deleted %s %s out of exception list", u->nick, exempts->host, ss_buf);
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buf = malloc(CONFBUFSIZE);
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ircsnprintf(buf, CONFBUFSIZE, "Exempt/%s", exempts->host);
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DelConf(buf);
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free(exempts);
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SS_save_exempts();
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return 1;
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}
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++i;
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node = list_next(exempt, node);
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}
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/* if we get here, then we can't find the entry */
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prefmsg(u->nick, s_SecureServ, "Error, Can't find entry %d. /msg %s exclude list", atoi(argv[3]), s_SecureServ);
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return 0;
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} else {
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prefmsg(u->nick, s_SecureServ, "Error, Out of Range");
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return 0;
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}
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return 1;
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}
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int SS_do_exempt(User* u, char **argv, int argc)
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{
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SET_SEGV_LOCATION();
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if (!strcasecmp(argv[2], "LIST")) {
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SS_do_exempt_list(u, argv, argc);
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return 1;
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} else if (!strcasecmp(argv[2], "ADD")) {
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SS_do_exempt_add(u, argv, argc);
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return 1;
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} else if (!strcasecmp(argv[2], "DEL")) {
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SS_do_exempt_del(u, argv, argc);
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return 1;
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}
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prefmsg(u->nick, s_SecureServ, "Syntax Error. /msg %s help exclude", s_SecureServ);
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return 0;
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}
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