#include "ircd_alloc.h"
#include "ircd_chattr.h"
#include "ircd_reply.h"
+#include "ircd_snprintf.h"
#include "ircd_string.h"
#include "list.h"
#include "match.h"
return modebuf_flush_int(mbuf, 1);
}
+/*
+ * This extracts the simple modes contained in mbuf
+ */
+void
+modebuf_extract(struct ModeBuf *mbuf, char *buf)
+{
+ static int flags[] = {
+/* MODE_CHANOP, 'o', */
+/* MODE_VOICE, 'v', */
+ MODE_PRIVATE, 'p',
+ MODE_SECRET, 's',
+ MODE_MODERATED, 'm',
+ MODE_TOPICLIMIT, 't',
+ MODE_INVITEONLY, 'i',
+ MODE_NOPRIVMSGS, 'n',
+ MODE_KEY, 'k',
+/* MODE_BAN, 'b', */
+ MODE_LIMIT, 'l',
+ 0x0, 0x0
+ };
+ unsigned int add;
+ int i, bufpos = 0, len;
+ int *flag_p;
+ char *key = 0, limitbuf[20];
+
+ assert(0 != mbuf);
+ assert(0 != buf);
+
+ buf[0] = '\0';
+
+ add = mbuf->mb_add;
+
+ for (i = 0; i < mbuf->mb_count; i++) { /* find keys and limits */
+ if (MB_TYPE(mbuf, i) & MODE_ADD) {
+ add |= MB_TYPE(mbuf, i) & (MODE_KEY | MODE_LIMIT);
+
+ if (MB_TYPE(mbuf, i) & MODE_KEY) /* keep strings */
+ key = MB_STRING(mbuf, i);
+ else if (MB_TYPE(mbuf, i) & MODE_LIMIT)
+ ircd_snprintf(0, limitbuf, sizeof(limitbuf), "%d", MB_UINT(mbuf, i));
+ }
+ }
+
+ if (!add)
+ return;
+
+ buf[bufpos++] = '+'; /* start building buffer */
+
+ for (flag_p = flags; flag_p[0]; flag_p += 2)
+ if (*flag_p & add)
+ buf[bufpos++] = flag_p[1];
+
+ for (i = 0, len = bufpos; i < len; i++) {
+ if (buf[i] == 'k')
+ build_string(buf, &bufpos, key, 0, ' ');
+ else if (buf[i] == 'l')
+ build_string(buf, &bufpos, limitbuf, 0, ' ');
+ }
+
+ buf[bufpos] = '\0';
+
+ return;
+}
+
/*
* Simple function to invalidate bans
*/
state->parc--;
state->max_args--;
- if (!t_limit) /* if it was zero, ignore it */
+ if (!(state->flags & MODE_PARSE_WIPEOUT) &&
+ (!t_limit || t_limit == state->chptr->mode.limit))
return;
} else
t_limit = state->chptr->mode.limit;
return;
}
+ if (!(state->flags & MODE_PARSE_WIPEOUT) && state->dir == MODE_ADD &&
+ !ircd_strcmp(state->chptr->mode.key, t_str))
+ return; /* no key change */
+
assert(0 != state->mbuf);
if (state->flags & MODE_PARSE_BOUNCE) {
} /* switch (*modestr) { */
} /* for (; *modestr; modestr++) { */
+ if (state.flags & MODE_PARSE_BURST)
+ break; /* don't interpret any more arguments */
+
if (state.parc > 0) { /* process next argument in string */
modestr = state.parv[state.args_used++];
state.parc--;
* the rest of the function finishes building resultant MODEs; if the
* origin isn't a member or an oper, skip it.
*/
- if (state.flags & (MODE_PARSE_NOTOPER | MODE_PARSE_NOTMEMBER))
+ if (!state.mbuf || state.flags & (MODE_PARSE_NOTOPER | MODE_PARSE_NOTMEMBER))
return state.args_used; /* tell our parent how many args we gobbled */
- assert(0 != state.mbuf);
+ if (state.flags & MODE_PARSE_WIPEOUT) {
+ if (!(state.done & DONE_LIMIT)) /* remove the old limit */
+ modebuf_mode_uint(state.mbuf, MODE_DEL | MODE_LIMIT,
+ state.chptr->mode.limit);
+ if (!(state.done & DONE_KEY)) /* remove the old key */
+ modebuf_mode_string(state.mbuf, MODE_DEL | MODE_KEY,
+ state.chptr->mode.key, 0);
+ }
if (state.done & DONE_BANCLEAN) /* process bans */
mode_process_bans(&state);
#include "ircd_reply.h"
#include "ircd_string.h"
#include "list.h"
+#include "match.h"
#include "msg.h"
#include "numeric.h"
#include "numnicks.h"
#include "s_misc.h"
#include "send.h"
#include "struct.h"
+#include "support.h"
#include <assert.h>
#include <stdlib.h>
* If its is smaller then the received BURST message is ignored.
* If it's equal, then the received modes are just added.
*/
+int ms_burst(struct Client *cptr, struct Client *sptr, int parc, char *parv[])
+{
+ struct ModeBuf modebuf, *mbuf = 0;
+ struct Channel *chptr;
+ time_t timestamp;
+ struct Membership *member;
+ struct SLink *lp, **lp_p;
+ unsigned int parse_flags = (MODE_PARSE_FORCE | MODE_PARSE_BURST);
+ int param, nickpos = 0, banpos = 0;
+ char modestr[IRC_BUFSIZE], nickstr[IRC_BUFSIZE], banstr[IRC_BUFSIZE];
+
+ if (parc < 4)
+ return 0;
+
+ if (!IsBurst(sptr)) /* don't allow BURST outside of burst */
+ return exit_client_msg(cptr, cptr, &me, "HACK: BURST message outside "
+ "net.burst from %s", sptr->name);
+
+ if (!(chptr = get_channel(sptr, parv[1], CGT_CREATE)))
+ return 0; /* can't create the channel? */
+
+ timestamp = atoi(parv[2]);
+
+ /* turn off burst joined flag */
+ for (member = chptr->members; member; member = member->next_member)
+ member->status &= ~CHFL_BURST_JOINED;
+
+ if (!chptr->creationtime) /* mark channel as created during BURST */
+ chptr->mode.mode |= MODE_BURSTADDED;
+
+ /* new channel or an older one */
+ if (!chptr->creationtime || chptr->creationtime > timestamp) {
+ chptr->creationtime = timestamp;
+
+ modebuf_init(mbuf = &modebuf, sptr, cptr, chptr, MODEBUF_DEST_CHANNEL);
+ modebuf_mode(mbuf, MODE_DEL | chptr->mode.mode); /* wipeout modes */
+ chptr->mode.mode &= ~(MODE_ADD | MODE_DEL | MODE_PRIVATE | MODE_SECRET |
+ MODE_MODERATED | MODE_TOPICLIMIT | MODE_INVITEONLY |
+ MODE_NOPRIVMSGS);
+
+ parse_flags |= (MODE_PARSE_SET | MODE_PARSE_WIPEOUT); /* wipeout keys */
+
+ /* mark bans for wipeout */
+ for (lp = chptr->banlist; lp; lp = lp->next)
+ lp->flags |= CHFL_BURST_BAN_WIPEOUT;
+ } else if (chptr->creationtime == timestamp) {
+ modebuf_init(mbuf = &modebuf, sptr, cptr, chptr, MODEBUF_DEST_CHANNEL);
+
+ parse_flags |= MODE_PARSE_SET; /* set new modes */
+ }
+
+ param = 3; /* parse parameters */
+ while (param < parc) {
+ switch (*parv[param]) {
+ case '+': /* parameter introduces a mode string */
+ param += mode_parse(mbuf, cptr, sptr, chptr, parc - param,
+ parv + param, parse_flags);
+ break;
+
+ case '%': /* parameter contains bans */
+ if (parse_flags & MODE_PARSE_SET) {
+ char *banlist = parv[param] + 1, *p = 0, *ban, *ptr;
+ struct SLink *newban;
+
+ for (ban = ircd_strtok(&p, banlist, " "); ban;
+ ban = ircd_strtok(&p, 0, " ")) {
+ ban = collapse(pretty_mask(ban));
+
+ /*
+ * Yeah, we should probably do this elsewhere, and make it better
+ * and more general; this will hold until we get there, though.
+ * I dislike the current add_banid API... -Kev
+ *
+ * I wish there were a better algo. for this than the n^2 one
+ * shown below *sigh*
+ */
+ for (lp = chptr->banlist; lp; lp = lp->next) {
+ if (!ircd_strcmp(lp->value.ban.banstr, ban)) {
+ ban = 0; /* don't add ban */
+ lp->flags &= ~CHFL_BURST_BAN_WIPEOUT; /* not wiping out */
+ break; /* new ban already existed; don't even repropagate */
+ } else if (!(lp->flags & CHFL_BURST_BAN_WIPEOUT) &&
+ !mmatch(lp->value.ban.banstr, ban)) {
+ ban = 0; /* don't add ban unless wiping out bans */
+ break; /* new ban is encompassed by an existing one; drop */
+ } else if (!mmatch(ban, lp->value.ban.banstr))
+ lp->flags |= CHFL_BAN_OVERLAPPED; /* remove overlapping ban */
+
+ if (!lp->next)
+ break;
+ }
+
+ if (ban) { /* add the new ban to the end of the list */
+ /* Build ban buffer */
+ if (!banpos) {
+ banstr[banpos++] = ' ';
+ banstr[banpos++] = ':';
+ banstr[banpos++] = '%';
+ } else
+ banstr[banpos++] = ' ';
+ for (ptr = ban; *ptr; ptr++) /* add ban to buffer */
+ banstr[banpos++] = *ptr;
+
+ newban = make_link(); /* create new ban */
+
+ DupString(newban->value.ban.banstr, ban);
+ DupString(newban->value.ban.who, sptr->name);
+ newban->value.ban.when = TStime();
+
+ newban->flags = CHFL_BAN | CHFL_BURST_BAN; /* set flags */
+ if ((ptr = strrchr(ban, '@')) && check_if_ipmask(ptr + 1))
+ newban->flags |= CHFL_BAN_IPMASK;
+
+ newban->next = 0;
+ if (lp)
+ lp->next = newban; /* link it in */
+ else
+ chptr->banlist = newban;
+ }
+ }
+ }
+ param++; /* look at next param */
+ break;
+
+ default: /* parameter contains clients */
+ {
+ struct Client *acptr;
+ char *nicklist = parv[param], *p = 0, *nick, *ptr;
+ int default_mode = CHFL_DEOPPED | CHFL_BURST_JOINED;
+ int last_mode = CHFL_DEOPPED | CHFL_BURST_JOINED;
+
+ for (nick = ircd_strtok(&p, nicklist, ","); nick;
+ nick = ircd_strtok(&p, 0, " ")) {
+
+ if ((ptr = strchr(nick, ':'))) { /* new flags; deal */
+ *ptr++ = '\0';
+
+ if (parse_flags & MODE_PARSE_SET) {
+ for (default_mode = CHFL_DEOPPED | CHFL_BURST_JOINED; *ptr;
+ ptr++) {
+ if (*ptr == 'o') /* has oper status */
+ default_mode = (default_mode & ~CHFL_DEOPPED) | CHFL_CHANOP;
+ else if (*ptr == 'v') /* has voice status */
+ default_mode |= CHFL_VOICE;
+ else /* I don't recognize that flag */
+ break; /* so stop processing */
+ }
+ }
+ }
+
+ if (!(acptr = findNUser(nick)) || acptr->from != cptr)
+ continue; /* ignore this client */
+
+ /* Build nick buffer */
+ nickstr[nickpos] = nickpos ? ',' : ' '; /* first char */
+ nickpos++;
+
+ for (ptr = nick; *ptr; ptr++) /* store nick */
+ nickstr[nickpos++] = *ptr;
+
+ if (default_mode != last_mode) { /* if mode changed... */
+ last_mode = default_mode;
+
+ nickstr[nickpos++] = ':'; /* add a specifier */
+ if (default_mode & CHFL_CHANOP)
+ nickstr[nickpos++] = 'o';
+ if (default_mode & CHFL_VOICE)
+ nickstr[nickpos++] = 'v';
+ }
+
+ add_user_to_channel(chptr, acptr, default_mode);
+ sendcmdto_channel_butserv(acptr, CMD_JOIN, chptr, "%H", chptr);
+ }
+ }
+ param++;
+ break;
+ } /* switch (*parv[param]) { */
+ } /* while (param < parc) { */
+
+ nickstr[nickpos] = '\0';
+ banstr[banpos] = '\0';
+
+ if (parse_flags & MODE_PARSE_SET) {
+ modebuf_extract(mbuf, modestr + 1); /* for sending BURST onward */
+ modestr[0] = modestr[1] ? ' ' : '\0';
+ } else
+ modestr[0] = '\0';
+
+ sendcmdto_serv_butone(sptr, CMD_BURST, cptr, "%H %Tu%s%s%s", chptr,
+ chptr->creationtime, modestr, nickstr, banstr);
+
+ if (parse_flags & MODE_PARSE_WIPEOUT || banpos)
+ mode_ban_invalidate(chptr);
+
+ if (parse_flags & MODE_PARSE_SET) { /* any modes changed? */
+ /* first deal with channel members */
+ for (member = chptr->members; member; member = member->next_member) {
+ if (member->status & CHFL_BURST_JOINED) { /* joined during burst */
+ if (member->status & CHFL_CHANOP)
+ modebuf_mode_client(mbuf, MODE_ADD | CHFL_CHANOP, member->user);
+ if (member->status & CHFL_VOICE)
+ modebuf_mode_client(mbuf, MODE_ADD | CHFL_VOICE, member->user);
+ } else if (parse_flags & MODE_PARSE_WIPEOUT) { /* wipeout old ops */
+ if (member->status & CHFL_CHANOP)
+ modebuf_mode_client(mbuf, MODE_DEL | CHFL_CHANOP, member->user);
+ if (member->status & CHFL_VOICE)
+ modebuf_mode_client(mbuf, MODE_DEL | CHFL_VOICE, member->user);
+ member->status = ((member->status & ~(CHFL_CHANOP | CHFL_VOICE)) |
+ CHFL_DEOPPED);
+ }
+ }
+
+ /* Now deal with channel bans */
+ lp_p = &chptr->banlist;
+ while (*lp_p) {
+ lp = *lp_p;
+
+ /* remove ban from channel */
+ if (lp->flags & (CHFL_BAN_OVERLAPPED | CHFL_BURST_BAN_WIPEOUT)) {
+ modebuf_mode_string(mbuf, MODE_DEL | MODE_BAN,
+ lp->value.ban.banstr, 1); /* let it free banstr */
+
+ *lp_p = lp->next; /* clip out of list */
+ MyFree(lp->value.ban.who); /* free who */
+ free_link(lp); /* free ban */
+ continue;
+ } else if (lp->flags & CHFL_BURST_BAN) /* add ban to channel */
+ modebuf_mode_string(mbuf, MODE_ADD | MODE_BAN,
+ lp->value.ban.banstr, 0); /* don't free banstr */
+
+ lp->flags &= (CHFL_BAN | CHFL_BAN_IPMASK); /* reset the flag */
+ lp_p = &(*lp_p)->next;
+ }
+ }
+
+ return mbuf ? modebuf_flush(mbuf) : 0;
+}
+#if 0
int ms_burst(struct Client* cptr, struct Client* sptr, int parc, char* parv[])
{
struct Channel* chptr;
}
return 0;
}
-
+#endif
#if 0
/*
projects / ircu2.10.12-pk.git / commitdiff