2 * IRC - Internet Relay Chat, ircd/jupe.c
3 * Copyright (C) 1990 Jarkko Oikarinen and
4 * University of Oulu, Finland
5 * Copyright (C) 2000 Kevin L. Mitchell <klmitch@mit.edu>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 1, or (at your option)
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
27 #include "ircd_alloc.h"
29 #include "ircd_reply.h"
30 #include "ircd_string.h"
40 #include "sys.h" /* FALSE bleah */
45 static struct Jupe *GlobalJupeList = 0;
48 make_jupe(char *server, char *reason, time_t expire, time_t lastmod,
53 ajupe = (struct Jupe*) MyMalloc(sizeof(struct Jupe)); /* alloc memory */
56 DupString(ajupe->ju_server, server); /* copy vital information */
57 DupString(ajupe->ju_reason, reason);
58 ajupe->ju_expire = expire;
59 ajupe->ju_lastmod = lastmod;
60 ajupe->ju_flags = flags & JUPE_MASK; /* set jupe flags */
62 ajupe->ju_next = GlobalJupeList; /* link it into the list */
63 ajupe->ju_prev_p = &GlobalJupeList;
65 GlobalJupeList->ju_prev_p = &ajupe->ju_next;
66 GlobalJupeList = ajupe;
72 do_jupe(struct Client *cptr, struct Client *sptr, struct Jupe *jupe)
76 if (!JupeIsActive(jupe)) /* no action to be taken on inactive jupes */
79 acptr = FindServer(jupe->ju_server);
81 /* server isn't online or isn't local or is me */
82 if (!acptr || !MyConnect(acptr) || IsMe(acptr))
85 return exit_client_msg(cptr, acptr, &me, "Juped: %s", jupe->ju_reason);
89 propagate_jupe(struct Client *cptr, struct Client *sptr, struct Jupe *jupe)
91 if (JupeIsLocal(jupe)) /* don't propagate local jupes */
94 sendcmdto_serv_butone(sptr, CMD_JUPE, cptr, "* %c%s %Tu %Tu :%s",
95 JupeIsRemActive(jupe) ? '+' : '-', jupe->ju_server,
96 jupe->ju_expire - CurrentTime, jupe->ju_lastmod,
101 jupe_add(struct Client *cptr, struct Client *sptr, char *server, char *reason,
102 time_t expire, time_t lastmod, unsigned int flags)
110 * You cannot set a negative (or zero) expire time, nor can you set an
111 * expiration time for greater than JUPE_MAX_EXPIRE.
113 if (expire <= 0 || expire > JUPE_MAX_EXPIRE) {
114 if (!IsServer(cptr) && MyConnect(cptr))
115 send_reply(cptr, ERR_BADEXPIRE, expire);
119 expire += CurrentTime; /* convert from lifetime to timestamp */
121 /* Inform ops and log it */
122 sendto_opmask_butone(0, SNO_NETWORK, "%s adding %sJUPE for %s, expiring at "
123 "%Tu: %s", IsServer(sptr) ? cli_name(sptr) :
124 cli_name(cli_user(sptr)->server),
125 flags & JUPE_LOCAL ? "local " : "", server,
126 expire + TSoffset, reason);
128 log_write(LS_JUPE, L_INFO, LOG_NOSNOTICE,
129 "%#C adding %sJUPE for %s, expiring at %Tu: %s", sptr,
130 flags & JUPE_LOCAL ? "local " : "", server, expire + TSoffset,
134 ajupe = make_jupe(server, reason, expire, lastmod, flags);
136 propagate_jupe(cptr, sptr, ajupe);
138 return do_jupe(cptr, sptr, ajupe); /* remove server if necessary */
142 jupe_activate(struct Client *cptr, struct Client *sptr, struct Jupe *jupe,
143 time_t lastmod, unsigned int flags)
145 unsigned int saveflags = 0;
148 assert(!JupeIsLocal(jupe));
150 saveflags = jupe->ju_flags;
152 if (flags & JUPE_LOCAL)
153 jupe->ju_flags &= ~JUPE_LDEACT;
155 jupe->ju_flags |= JUPE_ACTIVE;
157 if (jupe->ju_lastmod >= lastmod) /* force lastmod to increase */
160 jupe->ju_lastmod = lastmod;
163 if ((saveflags & JUPE_ACTMASK) == JUPE_ACTIVE)
164 return 0; /* was active to begin with */
166 /* Inform ops and log it */
167 sendto_opmask_butone(0, SNO_NETWORK, "%s activating JUPE for %s, expiring "
169 IsServer(sptr) ? cli_name(sptr) : cli_name(cli_user(sptr)->server),
170 jupe->ju_server, jupe->ju_expire + TSoffset,
173 log_write(LS_JUPE, L_INFO, LOG_NOSNOTICE,
174 "%#C activating JUPE for %s, expiring at %Tu: %s",sptr,
175 jupe->ju_server, jupe->ju_expire + TSoffset, jupe->ju_reason);
177 if (!(flags & JUPE_LOCAL)) /* don't propagate local changes */
178 propagate_jupe(cptr, sptr, jupe);
180 return do_jupe(cptr, sptr, jupe);
184 jupe_deactivate(struct Client *cptr, struct Client *sptr, struct Jupe *jupe,
185 time_t lastmod, unsigned int flags)
187 unsigned int saveflags = 0;
191 saveflags = jupe->ju_flags;
193 if (!JupeIsLocal(jupe)) {
194 if (flags & JUPE_LOCAL)
195 jupe->ju_flags |= JUPE_LDEACT;
197 jupe->ju_flags &= ~JUPE_ACTIVE;
199 if (jupe->ju_lastmod >= lastmod) /* force lastmod to increase */
202 jupe->ju_lastmod = lastmod;
205 if ((saveflags & JUPE_ACTMASK) != JUPE_ACTIVE)
206 return 0; /* was inactive to begin with */
209 /* Inform ops and log it */
210 sendto_opmask_butone(0, SNO_NETWORK, "%s %s JUPE for %s, expiring at %Tu: "
212 IsServer(sptr) ? cli_name(sptr) : cli_name(cli_user(sptr)->server),
213 JupeIsLocal(jupe) ? "removing local" : "deactivating",
214 jupe->ju_server, jupe->ju_expire + TSoffset,
217 log_write(LS_JUPE, L_INFO, LOG_NOSNOTICE,
218 "%#C %s JUPE for %s, expiring at %Tu: %s", sptr,
219 JupeIsLocal(jupe) ? "removing local" : "deactivating",
220 jupe->ju_server, jupe->ju_expire + TSoffset, jupe->ju_reason);
222 if (JupeIsLocal(jupe))
224 else if (!(flags & JUPE_LOCAL)) /* don't propagate local changes */
225 propagate_jupe(cptr, sptr, jupe);
231 jupe_find(char *server)
236 for (jupe = GlobalJupeList; jupe; jupe = sjupe) { /* go through jupes */
237 sjupe = jupe->ju_next;
239 if (jupe->ju_expire <= CurrentTime) /* expire any that need expiring */
241 else if (0 == ircd_strcmp(server, jupe->ju_server)) /* found it yet? */
249 jupe_free(struct Jupe* jupe)
253 *jupe->ju_prev_p = jupe->ju_next; /* squeeze this jupe out */
255 jupe->ju_next->ju_prev_p = jupe->ju_prev_p;
257 MyFree(jupe->ju_server); /* and free up the memory */
258 MyFree(jupe->ju_reason);
263 jupe_burst(struct Client *cptr)
268 for (jupe = GlobalJupeList; jupe; jupe = sjupe) { /* go through jupes */
269 sjupe = jupe->ju_next;
271 if (jupe->ju_expire <= CurrentTime) /* expire any that need expiring */
273 else if (!JupeIsLocal(jupe)) /* forward global jupes */
274 sendcmdto_one(&me, CMD_JUPE, cptr, "* %c%s %Tu %Tu :%s",
275 JupeIsRemActive(jupe) ? '+' : '-', jupe->ju_server,
276 jupe->ju_expire - CurrentTime, jupe->ju_lastmod,
282 jupe_resend(struct Client *cptr, struct Jupe *jupe)
284 if (JupeIsLocal(jupe)) /* don't propagate local jupes */
287 sendcmdto_one(&me, CMD_JUPE, cptr, "* %c%s %Tu %Tu :%s",
288 JupeIsRemActive(jupe) ? '+' : '-', jupe->ju_server,
289 jupe->ju_expire - CurrentTime, jupe->ju_lastmod,
296 jupe_list(struct Client *sptr, char *server)
302 if (!(jupe = jupe_find(server))) /* no such jupe */
303 return send_reply(sptr, ERR_NOSUCHJUPE, server);
305 /* send jupe information along */
306 send_reply(sptr, RPL_JUPELIST, jupe->ju_server, jupe->ju_expire + TSoffset,
307 JupeIsLocal(jupe) ? cli_name(&me) : "*",
308 JupeIsActive(jupe) ? '+' : '-', jupe->ju_reason);
310 for (jupe = GlobalJupeList; jupe; jupe = sjupe) { /* go through jupes */
311 sjupe = jupe->ju_next;
313 if (jupe->ju_expire <= CurrentTime) /* expire any that need expiring */
315 else /* send jupe information along */
316 send_reply(sptr, RPL_JUPELIST, jupe->ju_server,
317 jupe->ju_expire + TSoffset,
318 JupeIsLocal(jupe) ? cli_name(&me) : "*",
319 JupeIsActive(jupe) ? '+' : '-', jupe->ju_reason);
323 /* end of jupe information */
324 return send_reply(sptr, RPL_ENDOFJUPELIST);