--- /dev/null
+/* src/bandbi.c
+ * An interface to the ban db.
+ *
+ * Copyright (C) 2006 Lee Hardy <lee -at- leeh.co.uk>
+ * Copyright (C) 2006 ircd-ratbox development team
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * 1.Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2.Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3.The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * $Id$
+ */
+#include "stdinc.h"
+#include "ratbox_lib.h"
+#include "client.h"
+#include "s_conf.h"
+#include "logger.h"
+#include "match.h"
+#include "bandbi.h"
+#include "parse.h"
+#include "channel.h"
+#include "hostmask.h"
+#include "hash.h"
+#include "s_newconf.h"
+#include "reject.h"
+#include "send.h"
+#include "ircd.h"
+#include "msg.h" /* XXX: MAXPARA */
+
+static char bandb_add_letter[LAST_BANDB_TYPE] = {
+ 'K', 'D', 'X', 'R'
+};
+
+rb_dlink_list bandb_pending;
+
+static rb_helper *bandb_helper;
+static int start_bandb(void);
+
+static void bandb_parse(rb_helper *);
+static void bandb_restart_cb(rb_helper *);
+static char *bandb_path;
+
+void
+init_bandb(void)
+{
+ if(start_bandb())
+ {
+ ilog(L_MAIN, "Unable to start bandb helper: %s", strerror(errno));
+ exit(0);
+ }
+}
+
+
+static int
+start_bandb(void)
+{
+ char fullpath[PATH_MAX + 1];
+#ifdef _WIN32
+ const char *suffix = ".exe";
+#else
+ const char *suffix = "";
+#endif
+
+ rb_setenv("BANDB_DPATH", ConfigFileEntry.dpath, 1);
+ if(bandb_path == NULL)
+ {
+ rb_snprintf(fullpath, sizeof(fullpath), "%s/bandb%s", BINPATH, suffix);
+
+ if(access(fullpath, X_OK) == -1)
+ {
+ rb_snprintf(fullpath, sizeof(fullpath), "%s/bin/bandb%s",
+ ConfigFileEntry.dpath, suffix);
+
+ if(access(fullpath, X_OK) == -1)
+ {
+ ilog(L_MAIN,
+ "Unable to execute bandb in %s or %s/bin",
+ BINPATH, ConfigFileEntry.dpath);
+ return 0;
+ }
+ }
+ bandb_path = rb_strdup(fullpath);
+ }
+
+
+ bandb_helper = rb_helper_start("bandb", bandb_path, bandb_parse, bandb_restart_cb);
+
+ if(bandb_helper == NULL)
+ {
+ ilog(L_MAIN, "Unable to start bandb: %s", strerror(errno));
+ sendto_realops_snomask(SNO_GENERAL, L_ALL, "Unable to start bandb: %s",
+ strerror(errno));
+ return 1;
+ }
+
+ rb_helper_run(bandb_helper);
+ return 0;
+}
+
+void
+bandb_add(bandb_type type, struct Client *source_p, const char *mask1,
+ const char *mask2, const char *reason, const char *oper_reason, int perm)
+{
+ static char buf[BUFSIZE];
+
+ rb_snprintf(buf, sizeof(buf), "%c %s ", bandb_add_letter[type], mask1);
+
+ if(!EmptyString(mask2))
+ rb_snprintf_append(buf, sizeof(buf), "%s ", mask2);
+
+ rb_snprintf_append(buf, sizeof(buf), "%s %ld %d :%s",
+ get_oper_name(source_p), (long int)rb_current_time(), perm, reason);
+
+ if(!EmptyString(oper_reason))
+ rb_snprintf_append(buf, sizeof(buf), "|%s", oper_reason);
+
+ rb_helper_write(bandb_helper, "%s", buf);
+}
+
+static char bandb_del_letter[LAST_BANDB_TYPE] = {
+ 'k', 'd', 'x', 'r'
+};
+
+void
+bandb_del(bandb_type type, const char *mask1, const char *mask2)
+{
+ static char buf[BUFSIZE];
+
+ buf[0] = '\0';
+
+ rb_snprintf_append(buf, sizeof(buf), "%c %s", bandb_del_letter[type], mask1);
+
+ if(!EmptyString(mask2))
+ rb_snprintf_append(buf, sizeof(buf), " %s", mask2);
+
+ rb_helper_write(bandb_helper, "%s", buf);
+}
+
+static void
+bandb_handle_ban(char *parv[], int parc)
+{
+ struct ConfItem *aconf;
+ char *p;
+ int para = 1;
+
+ aconf = make_conf();
+ aconf->port = 0;
+
+ if(parv[0][0] == 'K')
+ aconf->user = rb_strdup(parv[para++]);
+
+ aconf->host = rb_strdup(parv[para++]);
+ aconf->passwd = rb_strdup(parv[para++]);
+
+ switch (parv[0][0])
+ {
+ case 'K':
+ aconf->status = CONF_KILL;
+ break;
+
+ case 'D':
+ aconf->status = CONF_DLINE;
+ break;
+
+ case 'X':
+ aconf->status = CONF_XLINE;
+ break;
+
+ case 'R':
+ if(IsChannelName(aconf->host))
+ aconf->status = CONF_RESV_CHANNEL;
+ else
+ aconf->status = CONF_RESV_NICK;
+
+ break;
+ }
+
+ if((p = strchr(parv[para], '|')))
+ {
+ *p++ = '\0';
+ aconf->spasswd = rb_strdup(p);
+ }
+
+ aconf->passwd = rb_strdup(parv[para]);
+
+ rb_dlinkAddAlloc(aconf, &bandb_pending);
+}
+
+static int
+bandb_check_kline(struct ConfItem *aconf)
+{
+ struct rb_sockaddr_storage daddr;
+ struct ConfItem *kconf = NULL;
+ int aftype;
+ const char *p;
+
+ aftype = parse_netmask(aconf->host, (struct sockaddr *)&daddr, NULL);
+
+ if(aftype != HM_HOST)
+ {
+#ifdef RB_IPV6
+ if(aftype == HM_IPV6)
+ aftype = AF_INET6;
+ else
+#endif
+ aftype = AF_INET;
+
+ kconf = find_conf_by_address(aconf->host, NULL, NULL, (struct sockaddr *)&daddr,
+ CONF_KILL, aftype, aconf->user, NULL);
+ }
+ else
+ kconf = find_conf_by_address(aconf->host, NULL, NULL, NULL, CONF_KILL, 0, aconf->user, NULL);
+
+ if(kconf && ((kconf->flags & CONF_FLAGS_TEMPORARY) == 0))
+ return 0;
+
+ for(p = aconf->user; *p; p++)
+ {
+ if(!IsUserChar(*p) && !IsKWildChar(*p))
+ return 0;
+ }
+
+ for(p = aconf->host; *p; p++)
+ {
+ if(!IsHostChar(*p) && !IsKWildChar(*p))
+ return 0;
+ }
+
+ return 1;
+}
+
+static int
+bandb_check_dline(struct ConfItem *aconf)
+{
+ struct rb_sockaddr_storage daddr;
+/* struct ConfItem *dconf; */
+ int bits;
+
+ if(!parse_netmask(aconf->host, (struct sockaddr *)&daddr, &bits))
+ return 0;
+
+ return 1;
+}
+
+static int
+bandb_check_xline(struct ConfItem *aconf)
+{
+ struct ConfItem *xconf;
+ /* XXX perhaps convert spaces to \s? -- jilles */
+
+ xconf = find_xline_mask(aconf->host);
+ if(xconf != NULL && !(xconf->flags & CONF_FLAGS_TEMPORARY))
+ return 0;
+
+ return 1;
+}
+
+static int
+bandb_check_resv_channel(struct ConfItem *aconf)
+{
+ const char *p;
+
+ if(hash_find_resv(aconf->host) || strlen(aconf->host) > CHANNELLEN)
+ return 0;
+
+ for(p = aconf->host; *p; p++)
+ {
+ if(!IsChanChar(*p))
+ return 0;
+ }
+
+ return 1;
+}
+
+static int
+bandb_check_resv_nick(struct ConfItem *aconf)
+{
+ if(!clean_resv_nick(aconf->host))
+ return 0;
+
+ if(find_nick_resv(aconf->host))
+ return 0;
+
+ return 1;
+}
+
+static void
+bandb_handle_clear(void)
+{
+ rb_dlink_node *ptr, *next_ptr;
+
+ RB_DLINK_FOREACH_SAFE(ptr, next_ptr, bandb_pending.head)
+ {
+ free_conf(ptr->data);
+ rb_dlinkDestroy(ptr, &bandb_pending);
+ }
+}
+
+static void
+bandb_handle_finish(void)
+{
+ struct ConfItem *aconf;
+ rb_dlink_node *ptr, *next_ptr;
+
+ clear_out_address_conf_bans();
+ clear_s_newconf_bans();
+
+ RB_DLINK_FOREACH_SAFE(ptr, next_ptr, bandb_pending.head)
+ {
+ aconf = ptr->data;
+
+ rb_dlinkDestroy(ptr, &bandb_pending);
+
+ switch (aconf->status)
+ {
+ case CONF_KILL:
+ if(bandb_check_kline(aconf))
+ add_conf_by_address(aconf->host, CONF_KILL, aconf->user, NULL, aconf);
+ else
+ free_conf(aconf);
+
+ break;
+
+ case CONF_DLINE:
+ if(bandb_check_dline(aconf))
+ add_conf_by_address(aconf->host, CONF_DLINE, aconf->user, NULL, aconf);
+ else
+ free_conf(aconf);
+
+ break;
+
+ case CONF_XLINE:
+ if(bandb_check_xline(aconf))
+ rb_dlinkAddAlloc(aconf, &xline_conf_list);
+ else
+ free_conf(aconf);
+
+ break;
+
+ case CONF_RESV_CHANNEL:
+ if(bandb_check_resv_channel(aconf))
+ add_to_resv_hash(aconf->host, aconf);
+ else
+ free_conf(aconf);
+
+ break;
+
+ case CONF_RESV_NICK:
+ if(bandb_check_resv_nick(aconf))
+ rb_dlinkAddAlloc(aconf, &resv_conf_list);
+ else
+ free_conf(aconf);
+
+ break;
+ }
+ }
+
+ check_banned_lines();
+}
+
+static void
+bandb_handle_failure(rb_helper *helper, char **parv, int parc)
+{
+ if(server_state_foreground)
+ fprintf(stderr, "bandb - bandb failure: %s\n", parv[1]);
+
+ ilog(L_MAIN, "bandb - bandb failure: %s", parv[1]);
+ sendto_realops_snomask(SNO_GENERAL, L_ALL, "bandb - bandb failure: %s", parv[1]);
+ exit(1);
+}
+
+static void
+bandb_parse(rb_helper *helper)
+{
+ static char buf[READBUF_SIZE];
+ char *parv[MAXPARA + 1];
+ int len, parc;
+
+ while((len = rb_helper_read(helper, buf, sizeof(buf))))
+ {
+ parc = rb_string_to_array(buf, parv, MAXPARA);
+
+ if(parc < 1)
+ continue;
+
+ switch (parv[0][0])
+ {
+ case '!':
+ bandb_handle_failure(helper, parv, parc);
+ break;
+ case 'K':
+ case 'D':
+ case 'X':
+ case 'R':
+ bandb_handle_ban(parv, parc);
+ break;
+
+ case 'C':
+ bandb_handle_clear();
+ case 'F':
+ bandb_handle_finish();
+ break;
+ }
+ }
+}
+
+void
+bandb_rehash_bans(void)
+{
+ if(bandb_helper != NULL)
+ rb_helper_write(bandb_helper, "L");
+}
+
+static void
+bandb_restart_cb(rb_helper *helper)
+{
+ ilog(L_MAIN, "bandb - bandb_restart_cb called, bandb helper died?");
+ sendto_realops_snomask(SNO_GENERAL, L_ALL,
+ "bandb - bandb_restart_cb called, bandb helper died?");
+ if(helper != NULL)
+ {
+ rb_helper_close(helper);
+ bandb_helper = NULL;
+ }
+ start_bandb();
+ return;
+}
projects / irc / rqf / shadowircd.git / commitdiff
