*/
#include "channel.h"
#include "client.h"
-#include "gline.h" /* bad_channel */
#include "hash.h"
#include "ircd.h"
#include "ircd_alloc.h"
#include "sprintf_irc.h"
#include "struct.h"
#include "support.h"
+#include "sys.h"
#include "whowas.h"
#include <assert.h>
assert(m->channel == chptr);
if (m->user == cptr)
return m;
- m=m->next_member;
+ m = m->next_member;
}
}
/* Users on the other hand aren't allowed on more than 15 channels. 50%
assert(m->user == cptr);
if (m->channel == chptr)
return m;
- m=m->next_channel;
+ m = m->next_channel;
}
}
return 0;
return who;
if (!(who = get_history(user, KILLCHASETIMELIMIT))) {
- sendto_one(sptr, err_str(ERR_NOSUCHNICK), me.name, sptr->name, user);
+ send_reply(sptr, ERR_NOSUCHNICK, user);
return 0;
}
if (chasing)
}
if (MyUser(cptr) && !removed_bans && (len > MAXBANLENGTH || (cnt >= MAXBANS)))
{
- sendto_one(cptr, err_str(ERR_BANLISTFULL), me.name, cptr->name,
- chptr->chname, banid);
+ send_reply(cptr, ERR_BANLISTFULL, chptr->chname, banid);
return -1;
}
if (change)
assert(0 != ban->value.ban.who);
strcpy(ban->value.ban.who, cptr->name);
- ban->value.ban.when = CurrentTime;
+ ban->value.ban.when = TStime();
ban->flags = CHFL_BAN; /* This bit is never used I think... */
if ((ip_start = strrchr(banid, '@')) && check_if_ipmask(ip_start + 1))
ban->flags |= CHFL_BAN_IPMASK;
name = lp->value.ban.banstr;
else
name = lp->value.cptr->name;
- if (strlen(parabuf) + strlen(name) + 11 < (size_t)MODEBUFLEN)
+ if (strlen(parabuf) + strlen(name) + 11 < MODEBUFLEN)
{
strcat(parabuf, " ");
strcat(parabuf, name);
assert(0 != chptr);
for (lp = chptr->banlist; lp; lp = lp->next)
- sendto_one(cptr, rpl_str(RPL_BANLIST), me.name, cptr->name,
- chptr->chname, lp->value.ban.banstr, lp->value.ban.who,
- lp->value.ban.when);
- sendto_one(cptr, rpl_str(RPL_ENDOFBANLIST), me.name, cptr->name,
- chptr->chname);
+ send_reply(cptr, RPL_BANLIST, chptr->chname, lp->value.ban.banstr,
+ lp->value.ban.who, lp->value.ban.when);
+
+ send_reply(cptr, RPL_ENDOFBANLIST, chptr->chname);
}
/*
if (!(member_x = find_member_link(chptr, who)) ||
(MyUser(sptr) && IsZombie(member_x)))
{
- sendto_one(cptr, err_str(ERR_USERNOTINCHANNEL),
- me.name, cptr->name, who->name, chptr->chname);
+ send_reply(cptr, ERR_USERNOTINCHANNEL, who->name, chptr->chname);
break;
}
/*
* XXX - CHECKME
*/
if (MyUser(cptr)) {
- sendto_one(cptr, err_str(ERR_ISCHANSERVICE), me.name,
- cptr->name, parv[0], chptr->chname);
+ send_reply(cptr, ERR_ISCHANSERVICE, parv[0], chptr->chname);
break;
}
else {
if (whatt == MODE_DEL && IsOperOnLocalChannel(who, chptr->chname) &&
(who != sptr) && MyUser(cptr) && *curr == 'o')
{
- sendto_one(cptr, err_str(ERR_ISOPERLCHAN), me.name,
- cptr->name, parv[0], chptr->chname);
+ send_reply(cptr, ERR_ISOPERLCHAN, parv[0], chptr->chname);
break;
}
#endif
if (whatt == MODE_ADD)
{
if (*mode->key && !IsServer(cptr))
- sendto_one(cptr, err_str(ERR_KEYSET),
- me.name, cptr->name, chptr->chname);
+ send_reply(cptr, ERR_KEYSET, chptr->chname);
else if (!*mode->key || IsServer(cptr))
{
lp = &chops[opcnt++];
lp->value.cp = *parv;
- if (strlen(lp->value.cp) > (size_t)KEYLEN)
+ if (strlen(lp->value.cp) > KEYLEN)
lp->value.cp[KEYLEN] = '\0';
lp->flags = MODE_KEY | MODE_ADD;
keychange = 1;
newmode &= ~*ip;
}
else if (!IsServer(cptr))
- sendto_one(cptr, err_str(ERR_UNKNOWNMODE),
- me.name, cptr->name, *curr);
+ send_reply(cptr, ERR_UNKNOWNMODE, *curr);
break;
}
curr++;
}
/* What could be added: cp+' '+' '+<TS>+'\0' */
- if (len + strlen(cp) + 13 > (size_t)MODEBUFLEN ||
- nlen + strlen(cp) + NUMNICKLEN + 12 > (size_t)MODEBUFLEN)
+ if (len + strlen(cp) + 13 > MODEBUFLEN ||
+ nlen + strlen(cp) + NUMNICKLEN + 12 > MODEBUFLEN)
break;
switch (lp->flags & MODE_WPARAS)
{
case MODE_KEY:
- if (strlen(cp) > (size_t)KEYLEN)
+ if (strlen(cp) > KEYLEN)
*(cp + KEYLEN) = '\0';
if ((whatt == MODE_ADD && (*mode->key == '\0' ||
0 != ircd_strcmp(mode->key, cp))) ||
/* Bounce here */
if (!hacknotice && *bmodebuf && chptr->creationtime)
{
- sendto_one(cptr, "%s " TOK_MODE " %s %s %s " TIME_T_FMT,
- NumServ(&me), chptr->chname, bmodebuf, nbparambuf,
- *badop == 2 ? (time_t) 0 : chptr->creationtime);
+ sendcmdto_one(&me, CMD_MODE, cptr, "%H %s %s %Tu", chptr, bmodebuf,
+ nbparambuf, *badop == 2 ? (time_t) 0 : chptr->creationtime);
}
/* If there are possibly bans to re-add, bounce them now */
if (add_banid_called && bounce)
{
len[0] = strlen(ban[0]->value.ban.banstr);
cnt = 1; /* We already got one ban :) */
+ /* XXX sendbuf used to send ban bounces! */
sblen = sprintf_irc(sendbuf, ":%s MODE %s +b",
me.name, chptr->chname) - sendbuf;
total_len = sblen + 1 + len[0]; /* 1 = ' ' */
struct Membership* member_z;
struct Client *acptr;
if (IsServer(sptr))
+ /* XXX sendbuf used to send ban bounces! */
psblen = sprintf_irc(sendbuf, ":%s MODE %s -b",
sptr->name, chptr->chname) - sendbuf;
else /* We rely on IsRegistered(sptr) being true for MODE */
MyFree(banstr[cnt]);
sblen += len[cnt];
}
- for (member_z = chptr->members; member_z; member_z = member_z->next_member)
- if (MyConnect(acptr = member_z->user) && !IsZombie(member_z))
+ for (member_z = chptr->members; member_z; member_z = member_z->next_member) {
+ acptr = member_z->user;
+ if (MyConnect(acptr) && !IsZombie(member_z))
sendbufto_one(acptr);
+ }
if (delayed)
{
banstr[0] = banstr[delayed - 1];
{
struct SLink *lp;
int overrideJoin = 0;
+
+ /*
+ * Now a banned user CAN join if invited -- Nemesi
+ * Now a user CAN escape channel limit if invited -- bfriendly
+ * Now a user CAN escape anything if invited -- Isomer
+ */
+ for (lp = sptr->user->invited; lp; lp = lp->next)
+ if (lp->value.chptr == chptr)
+ return 0;
+
#ifdef OPER_WALK_THROUGH_LMODES
/* An oper can force a join on a local channel using "OVERRIDE" as the key.
a HACK(4) notice will be sent if he would not have been supposed
overrideJoin = MAGIC_OPER_OVERRIDE;
}
#endif
- /*
- * Now a banned user CAN join if invited -- Nemesi
- * Now a user CAN escape channel limit if invited -- bfriendly
- */
- if ((chptr->mode.mode & MODE_INVITEONLY) || (is_banned(sptr, chptr, NULL)
- || (chptr->mode.limit && chptr->users >= chptr->mode.limit)))
- {
- for (lp = sptr->user->invited; lp; lp = lp->next)
- if (lp->value.chptr == chptr)
- break;
- if (!lp)
- {
- if (chptr->mode.limit && chptr->users >= chptr->mode.limit)
- return (overrideJoin + ERR_CHANNELISFULL);
- /*
- * This can return an "Invite only" msg instead of the "You are banned"
- * if _both_ conditions are true, but who can say what is more
- * appropriate ? checking again IsBanned would be _SO_ cpu-xpensive !
- */
- return overrideJoin + ((chptr->mode.mode & MODE_INVITEONLY) ?
- ERR_INVITEONLYCHAN : ERR_BANNEDFROMCHAN);
- }
- }
+ if (chptr->mode.mode & MODE_INVITEONLY)
+ return overrideJoin + ERR_INVITEONLYCHAN;
+
+ if (chptr->mode.limit && chptr->users >= chptr->mode.limit)
+ return overrideJoin + ERR_CHANNELISFULL;
+
+ if (is_banned(sptr, chptr, NULL))
+ return overrideJoin + ERR_BANNEDFROMCHAN;
+
/*
* now using compall (above) to test against a whole key ring -Kev
*/
if (*chptr->mode.key && (EmptyString(key) || compall(chptr->mode.key, key)))
- return overrideJoin + (ERR_BADCHANNELKEY);
+ return overrideJoin + ERR_BADCHANNELKEY;
+ if (overrideJoin)
+ return ERR_DONTCHEAT;
+
return 0;
}
chptr->topic_time < args->max_topic_time)))
{
if (ShowChannel(cptr,chptr))
- sendto_one(cptr, rpl_str(RPL_LIST), me.name, cptr->name,
- chptr->chname,
- chptr->users, chptr->topic);
+ send_reply(cptr, RPL_LIST, chptr->chname, chptr->users,
+ chptr->topic);
chptr = chptr->next;
break;
}
{
MyFree(cptr->listing);
cptr->listing = NULL;
- sendto_one(cptr, rpl_str(RPL_LISTEND), me.name, cptr->name);
+ send_reply(cptr, RPL_LISTEND);
break;
}
}
}
}
-
+/* XXX AIEEEE! sendbuf is an institution here :( */
void add_token_to_sendbuf(char *token, size_t *sblenp, int *firstp,
int *send_itp, char is_a_ban, int mode)
{
if (*count == -1) /* initialize ? */
{
+ /* XXX sendbuf used! */
sbp = sbpi =
sprintf_irc(sendbuf, ":%s MODE %s -", sptr->name, chptr->chname);
pb = parabuf;
if (MyUser(who)) /* server 4 */
{
if (IsServer(cptr)) /* Case b) ? */
- sendto_one(cptr, PartFmt1, who->name, chptr->chname);
+ sendcmdto_one(who, CMD_PART, cptr, "%H", chptr);
remove_user_from_channel(who, chptr);
return;
}
return count;
}
+/* XXX we can probably get rid of send_user_joins */
void send_user_joins(struct Client *cptr, struct Client *user)
{
struct Membership* chan;
* This function prepares sendbuf with the server notices and wallops
* to be sent for all hacks. -Ghostwolf 18-May-97
*/
-
+/* XXX let's get rid of this if we can */
void send_hack_notice(struct Client *cptr, struct Client *sptr, int parc,
char *parv[], int badop, int mtype)
{
}
}
}
+
+/*
+ * This helper function builds an argument string in strptr, consisting
+ * of the original string, a space, and str1 and str2 concatenated (if,
+ * of course, str2 is not NULL)
+ */
+static void
+build_string(char *strptr, int *strptr_i, char *str1, char *str2)
+{
+ strptr[(*strptr_i)++] = ' ';
+
+ while (*str1)
+ strptr[(*strptr_i)++] = *(str1++);
+
+ if (str2)
+ while (*str2)
+ strptr[(*strptr_i)++] = *(str2++);
+
+ strptr[(*strptr_i)] = '\0';
+}
+
+/*
+ * This is the workhorse of our ModeBuf suite; this actually generates the
+ * output MODE commands, HACK notices, or whatever. It's pretty complicated.
+ */
+static int
+modebuf_flush_int(struct ModeBuf *mbuf, int all)
+{
+ /* we only need the flags that don't take args right now */
+ 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
+ };
+ int i;
+ int *flag_p;
+
+ struct Client *app_source; /* where the MODE appears to come from */
+
+ char addbuf[20]; /* accumulates +psmtin, etc. */
+ int addbuf_i = 0;
+ char rembuf[20]; /* accumulates -psmtin, etc. */
+ int rembuf_i = 0;
+ char *bufptr; /* we make use of indirection to simplify the code */
+ int *bufptr_i;
+
+ char addstr[BUFSIZE]; /* accumulates MODE parameters to add */
+ int addstr_i;
+ char remstr[BUFSIZE]; /* accumulates MODE parameters to remove */
+ int remstr_i;
+ char *strptr; /* more indirection to simplify the code */
+ int *strptr_i;
+
+ int totalbuflen = BUFSIZE - 200; /* fuzz factor -- don't overrun buffer! */
+ int tmp;
+
+ char limitbuf[20]; /* convert limits to strings */
+
+ unsigned int limitdel = MODE_LIMIT;
+
+ assert(0 != mbuf);
+
+ /* If the ModeBuf is empty, we have nothing to do */
+ if (mbuf->mb_add == 0 && mbuf->mb_rem == 0 && mbuf->mb_count == 0)
+ return 0;
+
+ /* Ok, if we were given the OPMODE flag, hide the source if its a user */
+ if (mbuf->mb_dest & MODEBUF_DEST_OPMODE && !IsServer(mbuf->mb_source))
+ app_source = mbuf->mb_source->user->server;
+ else
+ app_source = mbuf->mb_source;
+
+ /*
+ * Account for user we're bouncing; we have to get it in on the first
+ * bounced MODE, or we could have problems
+ */
+ if (mbuf->mb_dest & MODEBUF_DEST_DEOP)
+ totalbuflen -= 6; /* numeric nick == 5, plus one space */
+
+ /* Calculate the simple flags */
+ for (flag_p = flags; flag_p[0]; flag_p += 2) {
+ if (*flag_p & mbuf->mb_add)
+ addbuf[addbuf_i++] = flag_p[1];
+ else if (*flag_p & mbuf->mb_rem)
+ rembuf[rembuf_i++] = flag_p[1];
+ }
+
+ /* Now go through the modes with arguments... */
+ for (i = 0; i < mbuf->mb_count; i++) {
+ if (MB_TYPE(mbuf, i) & MODE_ADD) { /* adding or removing? */
+ bufptr = addbuf;
+ bufptr_i = &addbuf_i;
+ } else {
+ bufptr = rembuf;
+ bufptr_i = &rembuf_i;
+ }
+
+ if (MB_TYPE(mbuf, i) & (MODE_CHANOP | MODE_VOICE)) {
+ tmp = strlen(MB_CLIENT(mbuf, i)->name);
+
+ if ((totalbuflen - IRCD_MAX(5, tmp)) <= 0) /* don't overflow buffer */
+ MB_TYPE(mbuf, i) |= MODE_SAVE; /* save for later */
+ else {
+ bufptr[(*bufptr_i)++] = MB_TYPE(mbuf, i) & MODE_CHANOP ? 'o' : 'v';
+ totalbuflen -= IRCD_MAX(5, tmp) + 1;
+ }
+ } else if (MB_TYPE(mbuf, i) & (MODE_KEY | MODE_BAN)) {
+ tmp = strlen(MB_STRING(mbuf, i));
+
+ if ((totalbuflen - tmp) <= 0) /* don't overflow buffer */
+ MB_TYPE(mbuf, i) |= MODE_SAVE; /* save for later */
+ else {
+ bufptr[(*bufptr_i)++] = MB_TYPE(mbuf, i) & MODE_KEY ? 'k' : 'b';
+ totalbuflen -= tmp + 1;
+ }
+ } else if (MB_TYPE(mbuf, i) & MODE_LIMIT) {
+ /* if it's a limit, we also format the number */
+ sprintf_irc(limitbuf, "%d", MB_UINT(mbuf, i));
+
+ tmp = strlen(limitbuf);
+
+ if ((totalbuflen - tmp) <= 0) /* don't overflow buffer */
+ MB_TYPE(mbuf, i) |= MODE_SAVE; /* save for later */
+ else {
+ bufptr[(*bufptr_i)++] = 'l';
+ totalbuflen -= tmp + 1;
+ }
+ }
+ }
+
+ /* terminate the mode strings */
+ addbuf[addbuf_i] = '\0';
+ rembuf[rembuf_i] = '\0';
+
+ /* If we're building a user visible MODE or HACK... */
+ if (mbuf->mb_dest & (MODEBUF_DEST_CHANNEL | MODEBUF_DEST_HACK2 |
+ MODEBUF_DEST_HACK3 | MODEBUF_DEST_HACK4 |
+ MODEBUF_DEST_LOG)) {
+ /* Set up the parameter strings */
+ addstr[0] = '\0';
+ addstr_i = 0;
+ remstr[0] = '\0';
+ remstr_i = 0;
+
+ for (i = 0; i < mbuf->mb_count; i++) {
+ if (MB_TYPE(mbuf, i) & MODE_SAVE)
+ continue;
+
+ if (MB_TYPE(mbuf, i) & MODE_ADD) { /* adding or removing? */
+ strptr = addstr;
+ strptr_i = &addstr_i;
+ } else {
+ strptr = remstr;
+ strptr_i = &remstr_i;
+ }
+
+ /* deal with clients... */
+ if (MB_TYPE(mbuf, i) & (MODE_CHANOP | MODE_VOICE))
+ build_string(strptr, strptr_i, MB_CLIENT(mbuf, i)->name, 0);
+
+ /* deal with strings... */
+ else if (MB_TYPE(mbuf, i) & (MODE_KEY | MODE_BAN))
+ build_string(strptr, strptr_i, MB_STRING(mbuf, i), 0);
+
+ /*
+ * deal with limit; note we cannot include the limit parameter if we're
+ * removing it
+ */
+ else if ((MB_TYPE(mbuf, i) & (MODE_ADD | MODE_LIMIT)) ==
+ (MODE_ADD | MODE_LIMIT))
+ build_string(strptr, strptr_i, limitbuf, 0);
+ }
+
+ /* send the messages off to their destination */
+ if (mbuf->mb_dest & MODEBUF_DEST_HACK2) {
+ sendto_opmask_butone(0, SNO_HACK2, "HACK(2): %s MODE %s %s%s%s%s%s%s "
+ "[%Tu]", app_source->name, mbuf->mb_channel->chname,
+ rembuf_i ? "-" : "", rembuf, addbuf_i ? "+" : "",
+ addbuf, remstr, addstr,
+ mbuf->mb_channel->creationtime);
+ sendcmdto_serv_butone(&me, CMD_DESYNCH, mbuf->mb_connect,
+ ":HACK: %s MODE %s %s%s%s%s%s%s [%Tu]",
+ app_source->name, mbuf->mb_channel->chname,
+ rembuf_i ? "-" : "", rembuf,
+ addbuf_i ? "+" : "", addbuf, remstr, addstr,
+ mbuf->mb_channel->creationtime);
+ }
+
+ if (mbuf->mb_dest & MODEBUF_DEST_HACK3)
+ sendto_opmask_butone(0, SNO_HACK3, "BOUNCE or HACK(3): %s MODE %s "
+ "%s%s%s%s%s%s [%Tu]", app_source->name,
+ mbuf->mb_channel->chname, rembuf_i ? "-" : "",
+ rembuf, addbuf_i ? "+" : "", addbuf, remstr, addstr,
+ mbuf->mb_channel->creationtime);
+
+ if (mbuf->mb_dest & MODEBUF_DEST_HACK4)
+ sendto_opmask_butone(0, SNO_HACK4, "HACK(4): %s MODE %s %s%s%s%s%s%s "
+ "[%Tu]", app_source->name, mbuf->mb_channel->chname,
+ rembuf_i ? "-" : "", rembuf, addbuf_i ? "+" : "",
+ addbuf, remstr, addstr,
+ mbuf->mb_channel->creationtime);
+
+#ifdef OPATH
+ if (mbuf->mb_dest & MODEBUF_DEST_LOG) {
+ write_log(OPATH, "%Tu %#C OPMODE %H %s%s%s%s%s%s\n", TStime(),
+ mbuf->mb_source, mbuf->mb_channel, rembuf_i ? "-" : "", rembuf,
+ addbuf_i ? "+" : "", addbuf, remstr, addstr);
+ }
+#endif
+
+ if (mbuf->mb_dest & MODEBUF_DEST_CHANNEL)
+ sendcmdto_channel_butserv(app_source, CMD_MODE, mbuf->mb_channel,
+ "%H %s%s%s%s%s%s", mbuf->mb_channel,
+ rembuf_i ? "-" : "", rembuf,
+ addbuf_i ? "+" : "", addbuf, remstr, addstr);
+ }
+
+ /* Now are we supposed to propagate to other servers? */
+ if (mbuf->mb_dest & MODEBUF_DEST_SERVER) {
+ /* set up parameter string */
+ addstr[0] = '\0';
+ addstr_i = 0;
+ remstr[0] = '\0';
+ remstr_i = 0;
+
+ /*
+ * limit is supressed if we're removing it; we have to figure out which
+ * direction is the direction for it to be removed, though...
+ */
+ limitdel |= (mbuf->mb_dest & MODEBUF_DEST_HACK2) ? MODE_DEL : MODE_ADD;
+
+ for (i = 0; i < mbuf->mb_count; i++) {
+ if (MB_TYPE(mbuf, i) & MODE_SAVE)
+ continue;
+
+ if (MB_TYPE(mbuf, i) & MODE_ADD) { /* adding or removing? */
+ strptr = addstr;
+ strptr_i = &addstr_i;
+ } else {
+ strptr = remstr;
+ strptr_i = &remstr_i;
+ }
+
+ /* deal with modes that take clients */
+ if (MB_TYPE(mbuf, i) & (MODE_CHANOP | MODE_VOICE))
+ build_string(strptr, strptr_i, NumNick(MB_CLIENT(mbuf, i)));
+
+ /* deal with modes that take strings */
+ else if (MB_TYPE(mbuf, i) & (MODE_KEY | MODE_BAN))
+ build_string(strptr, strptr_i, MB_STRING(mbuf, i), 0);
+
+ /*
+ * deal with the limit. Logic here is complicated; if HACK2 is set,
+ * we're bouncing the mode, so sense is reversed, and we have to
+ * include the original limit if it looks like it's being removed
+ */
+ else if ((MB_TYPE(mbuf, i) & limitdel) == limitdel)
+ build_string(strptr, strptr_i, limitbuf, 0);
+ }
+
+ /* we were told to deop the source */
+ if (mbuf->mb_dest & MODEBUF_DEST_DEOP) {
+ addbuf[addbuf_i++] = 'o'; /* remember, sense is reversed */
+ addbuf[addbuf_i] = '\0'; /* terminate the string... */
+ build_string(addstr, &addstr_i, NumNick(mbuf->mb_source)); /* add user */
+
+ /* mark that we've done this, so we don't do it again */
+ mbuf->mb_dest &= ~MODEBUF_DEST_DEOP;
+ }
+
+ if (mbuf->mb_dest & MODEBUF_DEST_OPMODE) {
+ /* If OPMODE was set, we're propagating the mode as an OPMODE message */
+ sendcmdto_serv_butone(mbuf->mb_source, CMD_OPMODE, mbuf->mb_connect,
+ "%H %s%s%s%s%s%s", mbuf->mb_channel,
+ rembuf_i ? "-" : "", rembuf, addbuf_i ? "+" : "",
+ addbuf, remstr, addstr);
+ } else if (mbuf->mb_dest & MODEBUF_DEST_BOUNCE) {
+ /*
+ * If HACK2 was set, we're bouncing; we send the MODE back to the
+ * connection we got it from with the senses reversed and a TS of 0;
+ * origin is us
+ */
+ sendcmdto_one(&me, CMD_MODE, mbuf->mb_connect, "%H %s%s%s%s%s%s %Tu",
+ mbuf->mb_channel, addbuf_i ? "-" : "", addbuf,
+ rembuf_i ? "+" : "", rembuf, addstr, remstr,
+ mbuf->mb_channel->creationtime);
+ } else {
+ /*
+ * We're propagating a normal MODE command to the rest of the network;
+ * we send the actual channel TS unless this is a HACK3 or a HACK4
+ */
+ if (IsServer(mbuf->mb_source))
+ sendcmdto_serv_butone(mbuf->mb_source, CMD_MODE, mbuf->mb_connect,
+ "%H %s%s%s%s%s%s %Tu", mbuf->mb_channel,
+ rembuf_i ? "-" : "", rembuf, addbuf_i ? "+" : "",
+ addbuf, remstr, addstr,
+ (mbuf->mb_dest & MODEBUF_DEST_HACK4) ? 0 :
+ mbuf->mb_channel->creationtime);
+ else
+ sendcmdto_serv_butone(mbuf->mb_source, CMD_MODE, mbuf->mb_connect,
+ "%H %s%s%s%s%s%s", mbuf->mb_channel,
+ rembuf_i ? "-" : "", rembuf, addbuf_i ? "+" : "",
+ addbuf, remstr, addstr);
+ }
+ }
+
+ /* We've drained the ModeBuf... */
+ mbuf->mb_add = 0;
+ mbuf->mb_rem = 0;
+ mbuf->mb_count = 0;
+
+ /* reinitialize the mode-with-arg slots */
+ for (i = 0; i < MAXMODEPARAMS; i++) {
+ /* If we saved any, pack them down */
+ if (MB_TYPE(mbuf, i) & MODE_SAVE) {
+ mbuf->mb_modeargs[mbuf->mb_count] = mbuf->mb_modeargs[i];
+ MB_TYPE(mbuf, mbuf->mb_count) &= ~MODE_SAVE; /* don't save anymore */
+
+ if (mbuf->mb_count++ == i) /* don't overwrite our hard work */
+ continue;
+ } else if (MB_TYPE(mbuf, i) & MODE_FREE)
+ MyFree(MB_STRING(mbuf, i)); /* free string if needed */
+
+ MB_TYPE(mbuf, i) = 0;
+ MB_UINT(mbuf, i) = 0;
+ }
+
+ /* If we're supposed to flush it all, do so--all hail tail recursion */
+ if (all && mbuf->mb_count)
+ return modebuf_flush_int(mbuf, 1);
+
+ return 0;
+}
+
+/*
+ * This routine just initializes a ModeBuf structure with the information
+ * needed and the options given.
+ */
+void
+modebuf_init(struct ModeBuf *mbuf, struct Client *source,
+ struct Client *connect, struct Channel *chan, unsigned int dest)
+{
+ int i;
+
+ assert(0 != mbuf);
+ assert(0 != source);
+ assert(0 != chan);
+ assert(0 != dest);
+
+ mbuf->mb_add = 0;
+ mbuf->mb_rem = 0;
+ mbuf->mb_source = source;
+ mbuf->mb_connect = connect;
+ mbuf->mb_channel = chan;
+ mbuf->mb_dest = dest;
+ mbuf->mb_count = 0;
+
+ /* clear each mode-with-parameter slot */
+ for (i = 0; i < MAXMODEPARAMS; i++) {
+ MB_TYPE(mbuf, i) = 0;
+ MB_UINT(mbuf, i) = 0;
+ }
+}
+
+/*
+ * This routine simply adds modes to be added or deleted; do a binary OR
+ * with either MODE_ADD or MODE_DEL
+ */
+void
+modebuf_mode(struct ModeBuf *mbuf, unsigned int mode)
+{
+ assert(0 != mbuf);
+ assert(0 != (mode & (MODE_ADD | MODE_DEL)));
+
+ mode &= (MODE_ADD | MODE_DEL | MODE_PRIVATE | MODE_SECRET | MODE_MODERATED |
+ MODE_TOPICLIMIT | MODE_INVITEONLY | MODE_NOPRIVMSGS);
+
+ if (mode & MODE_ADD) {
+ mbuf->mb_rem &= ~mode;
+ mbuf->mb_add |= mode;
+ } else {
+ mbuf->mb_add &= ~mode;
+ mbuf->mb_rem |= mode;
+ }
+}
+
+/*
+ * This routine adds a mode to be added or deleted that takes a unsigned
+ * int parameter; mode may *only* be the relevant mode flag ORed with one
+ * of MODE_ADD or MODE_DEL
+ */
+void
+modebuf_mode_uint(struct ModeBuf *mbuf, unsigned int mode, unsigned int uint)
+{
+ assert(0 != mbuf);
+ assert(0 != (mode & (MODE_ADD | MODE_DEL)));
+
+ MB_TYPE(mbuf, mbuf->mb_count) = mode;
+ MB_UINT(mbuf, mbuf->mb_count) = uint;
+
+ /* when we've reached the maximal count, flush the buffer */
+ if (++mbuf->mb_count >=
+ (MAXMODEPARAMS - (mbuf->mb_dest & MODEBUF_DEST_DEOP ? 1 : 0)))
+ modebuf_flush_int(mbuf, 0);
+}
+
+/*
+ * This routine adds a mode to be added or deleted that takes a string
+ * parameter; mode may *only* be the relevant mode flag ORed with one of
+ * MODE_ADD or MODE_DEL
+ */
+void
+modebuf_mode_string(struct ModeBuf *mbuf, unsigned int mode, char *string,
+ int free)
+{
+ assert(0 != mbuf);
+ assert(0 != (mode & (MODE_ADD | MODE_DEL)));
+
+ MB_TYPE(mbuf, mbuf->mb_count) = mode | (free ? MODE_FREE : 0);
+ MB_STRING(mbuf, mbuf->mb_count) = string;
+
+ /* when we've reached the maximal count, flush the buffer */
+ if (++mbuf->mb_count >=
+ (MAXMODEPARAMS - (mbuf->mb_dest & MODEBUF_DEST_DEOP ? 1 : 0)))
+ modebuf_flush_int(mbuf, 0);
+}
+
+/*
+ * This routine adds a mode to be added or deleted that takes a client
+ * parameter; mode may *only* be the relevant mode flag ORed with one of
+ * MODE_ADD or MODE_DEL
+ */
+void
+modebuf_mode_client(struct ModeBuf *mbuf, unsigned int mode,
+ struct Client *client)
+{
+ assert(0 != mbuf);
+ assert(0 != (mode & (MODE_ADD | MODE_DEL)));
+
+ MB_TYPE(mbuf, mbuf->mb_count) = mode;
+ MB_CLIENT(mbuf, mbuf->mb_count) = client;
+
+ /* when we've reached the maximal count, flush the buffer */
+ if (++mbuf->mb_count >=
+ (MAXMODEPARAMS - (mbuf->mb_dest & MODEBUF_DEST_DEOP ? 1 : 0)))
+ modebuf_flush_int(mbuf, 0);
+}
+
+/*
+ * This is the exported binding for modebuf_flush()
+ */
+int
+modebuf_flush(struct ModeBuf *mbuf)
+{
+ return modebuf_flush_int(mbuf, 1);
+}
+
+/*
+ * Simple function to invalidate bans
+ */
+void
+mode_ban_invalidate(struct Channel *chan)
+{
+ struct Membership *member;
+
+ for (member = chan->members; member; member = member->next_member)
+ ClearBanValid(member);
+}
+
+/*
+ * Simple function to drop invite structures
+ */
+void
+mode_invite_clear(struct Channel *chan)
+{
+ while (chan->invites)
+ del_invite(chan->invites->value.cptr, chan);
+}
+
+/* What we've done for mode_parse so far... */
+#define DONE_LIMIT 0x01 /* We've set the limit */
+#define DONE_KEY 0x02 /* We've set the key */
+#define DONE_BANLIST 0x04 /* We've sent the ban list */
+#define DONE_NOTOPER 0x08 /* We've sent a "Not oper" error */
+#define DONE_BANCLEAN 0x10 /* We've cleaned bans... */
+
+struct ParseState {
+ struct ModeBuf *mbuf;
+ struct Client *cptr;
+ struct Client *sptr;
+ struct Channel *chptr;
+ int parc;
+ char **parv;
+ unsigned int flags;
+ unsigned int dir;
+ unsigned int done;
+ int args_used;
+ int max_args;
+ int numbans;
+ struct SLink banlist[MAXPARA];
+ struct {
+ unsigned int flag;
+ struct Client *client;
+ } cli_change[MAXPARA];
+};
+
+/*
+ * Here's a helper function to deal with sending along "Not oper" or
+ * "Not member" messages
+ */
+static void
+send_notoper(struct ParseState *state)
+{
+ if (state->done & DONE_NOTOPER)
+ return;
+
+ send_reply(state->sptr, (state->flags & MODE_PARSE_NOTOPER) ?
+ ERR_CHANOPRIVSNEEDED : ERR_NOTONCHANNEL, state->chptr->chname);
+
+ state->done |= DONE_NOTOPER;
+}
+
+/*
+ * Helper function to convert limits
+ */
+static void
+mode_parse_limit(struct ParseState *state, int *flag_p)
+{
+ unsigned int t_limit;
+
+ if (state->dir == MODE_ADD) { /* convert arg only if adding limit */
+ if (MyUser(state->sptr) && state->max_args <= 0) /* too many args? */
+ return;
+
+ if (state->parc <= 0) { /* warn if not enough args */
+ if (MyUser(state->sptr))
+ need_more_params(state->sptr, "MODE +l");
+ return;
+ }
+
+ t_limit = atoi(state->parv[state->args_used++]); /* grab arg */
+ state->parc--;
+ state->max_args--;
+
+ if (!t_limit) /* if it was zero, ignore it */
+ return;
+ } else
+ t_limit = state->chptr->mode.limit;
+
+ /* If they're not an oper, they can't change modes */
+ if (state->flags & (MODE_PARSE_NOTOPER | MODE_PARSE_NOTMEMBER)) {
+ send_notoper(state);
+ return;
+ }
+
+ if (state->done & DONE_LIMIT) /* allow limit to be set only once */
+ return;
+ state->done |= DONE_LIMIT;
+
+ assert(0 != state->mbuf);
+
+ modebuf_mode_uint(state->mbuf, state->dir | flag_p[0], t_limit);
+
+ if (state->flags & MODE_PARSE_SET) { /* set the limit */
+ if (state->dir & MODE_ADD) {
+ state->chptr->mode.mode |= flag_p[0];
+ state->chptr->mode.limit = t_limit;
+ } else {
+ state->chptr->mode.mode &= flag_p[0];
+ state->chptr->mode.limit = 0;
+ }
+ }
+}
+
+/*
+ * Helper function to convert keys
+ */
+static void
+mode_parse_key(struct ParseState *state, int *flag_p)
+{
+ char *t_str, *s;
+ int t_len;
+
+ if (MyUser(state->sptr) && state->max_args <= 0) /* drop if too many args */
+ return;
+
+ if (state->parc <= 0) { /* warn if not enough args */
+ if (MyUser(state->sptr))
+ need_more_params(state->sptr, state->dir == MODE_ADD ? "MODE +k" :
+ "MODE -k");
+ return;
+ }
+
+ t_str = state->parv[state->args_used++]; /* grab arg */
+ state->parc--;
+ state->max_args--;
+
+ /* If they're not an oper, they can't change modes */
+ if (state->flags & (MODE_PARSE_NOTOPER | MODE_PARSE_NOTMEMBER)) {
+ send_notoper(state);
+ return;
+ }
+
+ if (state->done & DONE_KEY) /* allow key to be set only once */
+ return;
+ state->done |= DONE_KEY;
+
+ t_len = KEYLEN + 1;
+
+ /* clean up the key string */
+ s = t_str;
+ while (*++s > ' ' && *s != ':' && --t_len)
+ ;
+ *s = '\0';
+
+ if (!*t_str) { /* warn if empty */
+ if (MyUser(state->sptr))
+ need_more_params(state->sptr, state->dir == MODE_ADD ? "MODE +k" :
+ "MODE -k");
+ return;
+ }
+
+ /* can't add a key if one is set, nor can one remove the wrong key */
+ if (!(state->flags & MODE_PARSE_FORCE))
+ if ((state->dir == MODE_ADD && *state->chptr->mode.key) ||
+ (state->dir == MODE_DEL &&
+ ircd_strcmp(state->chptr->mode.key, t_str))) {
+ send_reply(state->sptr, ERR_KEYSET, state->chptr->chname);
+ return;
+ }
+
+ assert(0 != state->mbuf);
+
+ if (state->flags & MODE_PARSE_BOUNCE) {
+ if (*state->chptr->mode.key) /* reset old key */
+ modebuf_mode_string(state->mbuf, MODE_DEL | flag_p[0],
+ state->chptr->mode.key, 0);
+ else /* remove new bogus key */
+ modebuf_mode_string(state->mbuf, MODE_ADD | flag_p[0], t_str, 0);
+ } else /* send new key */
+ modebuf_mode_string(state->mbuf, state->dir | flag_p[0], t_str, 0);
+
+ if (state->flags & MODE_PARSE_SET) {
+ if (state->dir == MODE_ADD) /* set the new key */
+ ircd_strncpy(state->chptr->mode.key, t_str, KEYLEN);
+ else /* remove the old key */
+ *state->chptr->mode.key = '\0';
+ }
+}
+
+/*
+ * Helper function to convert bans
+ */
+static void
+mode_parse_ban(struct ParseState *state, int *flag_p)
+{
+ char *t_str, *s;
+ struct SLink *ban, *newban = 0;
+
+ if (state->parc <= 0) { /* Not enough args, send ban list */
+ if (MyUser(state->sptr) && !(state->done & DONE_BANLIST)) {
+ send_ban_list(state->sptr, state->chptr);
+ state->done |= DONE_BANLIST;
+ }
+
+ return;
+ }
+
+ if (MyUser(state->sptr) && state->max_args <= 0) /* drop if too many args */
+ return;
+
+ t_str = state->parv[state->args_used++]; /* grab arg */
+ state->parc--;
+ state->max_args--;
+
+ /* If they're not an oper, they can't change modes */
+ if (state->flags & (MODE_PARSE_NOTOPER | MODE_PARSE_NOTMEMBER)) {
+ send_notoper(state);
+ return;
+ }
+
+ if ((s = strchr(t_str, ' ')))
+ *s = '\0';
+
+ if (!*t_str || *t_str == ':') { /* warn if empty */
+ if (MyUser(state->sptr))
+ need_more_params(state->sptr, state->dir == MODE_ADD ? "MODE +b" :
+ "MODE -b");
+ return;
+ }
+
+ t_str = collapse(pretty_mask(t_str));
+
+ /* remember the ban for the moment... */
+ if (state->dir == MODE_ADD) {
+ newban = state->banlist + (state->numbans++);
+ newban->next = 0;
+
+ DupString(newban->value.ban.banstr, t_str);
+ newban->value.ban.who = state->sptr->name;
+ newban->value.ban.when = TStime();
+
+ newban->flags = CHFL_BAN | MODE_ADD;
+
+ if ((s = strrchr(t_str, '@')) && check_if_ipmask(s + 1))
+ newban->flags |= CHFL_BAN_IPMASK;
+ }
+
+ if (!state->chptr->banlist) {
+ state->chptr->banlist = newban; /* add our ban with its flags */
+ state->done |= DONE_BANCLEAN;
+ return;
+ }
+
+ /* Go through all bans */
+ for (ban = state->chptr->banlist; ban; ban = ban->next) {
+ /* first, clean the ban flags up a bit */
+ if (!(state->done & DONE_BANCLEAN))
+ /* Note: We're overloading *lots* of bits here; be careful! */
+ ban->flags &= ~(MODE_ADD | MODE_DEL | CHFL_BAN_OVERLAPPED);
+
+ /* Bit meanings:
+ *
+ * MODE_ADD - Ban was added; if we're bouncing modes,
+ * then we'll remove it below; otherwise,
+ * we'll have to allocate a real ban
+ *
+ * MODE_DEL - Ban was marked for deletion; if we're
+ * bouncing modes, we'll have to re-add it,
+ * otherwise, we'll have to remove it
+ *
+ * CHFL_BAN_OVERLAPPED - The ban we added turns out to overlap
+ * with a ban already set; if we're
+ * bouncing modes, we'll have to bounce
+ * this one; otherwise, we'll just ignore
+ * it when we process added bans
+ */
+
+ if (state->dir == MODE_DEL && !ircd_strcmp(ban->value.ban.banstr, t_str)) {
+ ban->flags |= MODE_DEL; /* delete one ban */
+
+ if (state->done & DONE_BANCLEAN) /* If we're cleaning, finish */
+ break;
+ } else if (state->dir == MODE_ADD) {
+ /* if the ban already exists, don't worry about it */
+ if (!ircd_strcmp(ban->value.ban.banstr, t_str)) {
+ if (state->done & DONE_BANCLEAN) /* If we're cleaning, finish */
+ break;
+ continue;
+ } else if (!mmatch(ban->value.ban.banstr, t_str)) {
+ if (!(ban->flags & MODE_DEL))
+ newban->flags |= CHFL_BAN_OVERLAPPED; /* our ban overlaps */
+ } else if (!mmatch(t_str, ban->value.ban.banstr))
+ ban->flags |= MODE_DEL; /* mark ban for deletion: overlapping */
+
+ if (!ban->next) {
+ ban->next = newban; /* add our ban with its flags */
+ break; /* get out of loop */
+ }
+ }
+ }
+ state->done |= DONE_BANCLEAN;
+}
+
+/*
+ * This is the bottom half of the ban processor
+ */
+static void
+mode_process_bans(struct ParseState *state)
+{
+ struct SLink *ban, *newban, *prevban, *nextban;
+ int count = 0;
+ int len = 0;
+ int banlen;
+ int changed = 0;
+
+ for (prevban = 0, ban = state->chptr->banlist; ban; ban = nextban) {
+ count++;
+ banlen = strlen(ban->value.ban.banstr);
+ len += banlen;
+ nextban = ban->next;
+
+ if ((ban->flags & (MODE_DEL | MODE_ADD)) == (MODE_DEL | MODE_ADD)) {
+ if (prevban)
+ prevban->next = 0; /* Break the list; ban isn't a real ban */
+ else
+ state->chptr->banlist = 0;
+
+ count--;
+ len -= banlen;
+
+ MyFree(ban->value.ban.banstr);
+
+ continue;
+ } else if (ban->flags & MODE_DEL) { /* Deleted a ban? */
+ modebuf_mode_string(state->mbuf, MODE_DEL | MODE_BAN,
+ ban->value.ban.banstr,
+ state->flags & MODE_PARSE_SET);
+
+ if (state->flags & MODE_PARSE_SET) { /* Ok, make it take effect */
+ if (prevban) /* clip it out of the list... */
+ prevban->next = ban->next;
+ else
+ state->chptr->banlist = ban->next;
+
+ count--;
+ len -= banlen;
+
+ MyFree(ban->value.ban.who);
+ free_link(ban);
+
+ changed++;
+ continue; /* next ban; keep prevban like it is */
+ } else
+ ban->flags &= (CHFL_BAN | CHFL_BAN_IPMASK); /* unset other flags */
+ } else if (ban->flags & MODE_ADD) { /* adding a ban? */
+ if (prevban)
+ prevban->next = 0; /* Break the list; ban isn't a real ban */
+ else
+ state->chptr->banlist = 0;
+
+ /* If we're supposed to ignore it, do so. */
+ if (ban->flags & CHFL_BAN_OVERLAPPED &&
+ !(state->flags & MODE_PARSE_BOUNCE)) {
+ count--;
+ len -= banlen;
+
+ MyFree(ban->value.ban.banstr);
+ } else {
+ if (state->flags & MODE_PARSE_SET && MyUser(state->sptr) &&
+ (len > MAXBANLENGTH || count >= MAXBANS)) {
+ send_reply(state->sptr, ERR_BANLISTFULL, state->chptr->chname,
+ ban->value.ban.banstr);
+ count--;
+ len -= banlen;
+
+ MyFree(ban->value.ban.banstr);
+ } else {
+ /* add the ban to the buffer */
+ modebuf_mode_string(state->mbuf, MODE_ADD | MODE_BAN,
+ ban->value.ban.banstr,
+ !(state->flags & MODE_PARSE_SET));
+
+ if (state->flags & MODE_PARSE_SET) { /* create a new ban */
+ newban = make_link();
+ newban->value.ban.banstr = ban->value.ban.banstr;
+ DupString(newban->value.ban.who, ban->value.ban.who);
+ newban->value.ban.when = ban->value.ban.when;
+ newban->flags = ban->flags & (CHFL_BAN | CHFL_BAN_IPMASK);
+
+ newban->next = state->chptr->banlist; /* and link it in */
+ state->chptr->banlist = newban;
+
+ changed++;
+ }
+ }
+ }
+ }
+
+ prevban = ban;
+ } /* for (prevban = 0, ban = state->chptr->banlist; ban; ban = nextban) { */
+
+ if (changed) /* if we changed the ban list, we must invalidate the bans */
+ mode_ban_invalidate(state->chptr);
+}
+
+/*
+ * Helper function to process client changes
+ */
+static void
+mode_parse_client(struct ParseState *state, int *flag_p)
+{
+ char *t_str;
+ struct Client *acptr;
+ int i;
+
+ if (MyUser(state->sptr) && state->max_args <= 0) /* drop if too many args */
+ return;
+
+ if (state->parc <= 0) { /* warn if not enough args */
+ if (MyUser(state->sptr))
+ need_more_params(state->sptr, state->dir == MODE_ADD ?
+ (flag_p[0] == MODE_CHANOP ? "MODE +o" : "MODE +v") :
+ (flag_p[0] == MODE_CHANOP ? "MODE -o" : "MODE -v"));
+ return;
+ }
+
+ t_str = state->parv[state->args_used++]; /* grab arg */
+ state->parc--;
+ state->max_args--;
+
+ /* If they're not an oper, they can't change modes */
+ if (state->flags & (MODE_PARSE_NOTOPER | MODE_PARSE_NOTMEMBER)) {
+ send_notoper(state);
+ return;
+ }
+
+ if (MyUser(state->sptr)) /* find client we're manipulating */
+ acptr = find_chasing(state->sptr, t_str, NULL);
+ else
+ acptr = findNUser(t_str);
+
+ if (!acptr)
+ return; /* find_chasing() already reported an error to the user */
+
+ for (i = 0; i < MAXPARA; i++) /* find an element to stick them in */
+ if (!state->cli_change[i].flag || (state->cli_change[i].client == acptr &&
+ state->cli_change[i].flag & flag_p[0]))
+ break; /* found a slot */
+
+ /* Store what we're doing to them */
+ state->cli_change[i].flag = state->dir | flag_p[0];
+ state->cli_change[i].client = acptr;
+}
+
+/*
+ * Helper function to process the changed client list
+ */
+static void
+mode_process_clients(struct ParseState *state)
+{
+ int i;
+ struct Membership *member;
+
+ for (i = 0; state->cli_change[i].flag; i++) {
+ assert(0 != state->cli_change[i].client);
+
+ /* look up member link */
+ if (!(member = find_member_link(state->chptr,
+ state->cli_change[i].client)) ||
+ (MyUser(state->sptr) && IsZombie(member))) {
+ if (MyUser(state->sptr))
+ send_reply(state->sptr, ERR_USERNOTINCHANNEL,
+ state->cli_change[i].client->name, state->chptr->chname);
+ continue;
+ }
+
+ if ((state->cli_change[i].flag & MODE_ADD &&
+ (state->cli_change[i].flag & member->status)) ||
+ (state->cli_change[i].flag & MODE_DEL &&
+ !(state->cli_change[i].flag & member->status)))
+ continue; /* no change made, don't do anything */
+
+ /* see if the deop is allowed */
+ if ((state->cli_change[i].flag & (MODE_DEL | MODE_CHANOP)) ==
+ (MODE_DEL | MODE_CHANOP)) {
+ /* prevent +k users from being deopped */
+ if (IsChannelService(state->cli_change[i].client)) {
+ if (state->flags & MODE_PARSE_FORCE) /* it was forced */
+ sendto_opmask_butone(0, SNO_HACK4, "Deop of +k user on %H by %s",
+ state->chptr,
+ (IsServer(state->sptr) ? state->sptr->name :
+ state->sptr->user->server->name));
+
+ else if (MyUser(state->sptr) && state->flags & MODE_PARSE_SET) {
+ send_reply(state->sptr, ERR_ISCHANSERVICE,
+ state->cli_change[i].client->name, state->chptr->chname);
+ continue;
+ }
+ }
+
+#ifdef NO_OPER_DEOP_LCHAN
+ /* don't allow local opers to be deopped on local channels */
+ if (MyUser(state->sptr) && state->cli_change[i].client != state->sptr &&
+ IsOperOnLocalChannel(state->cli_change[i].client,
+ state->chptr->chname)) {
+ send_reply(state->sptr, ERR_ISOPERLCHAN,
+ state->cli_change[i].client->name, state->chptr->chname);
+ continue;
+ }
+#endif
+ }
+
+ /* accumulate the change */
+ modebuf_mode_client(state->mbuf, state->cli_change[i].flag,
+ state->cli_change[i].client);
+
+ /* actually effect the change */
+ if (state->flags & MODE_PARSE_SET) {
+ if (state->cli_change[i].flag & MODE_ADD) {
+ member->status |= (state->cli_change[i].flag &
+ (MODE_CHANOP | MODE_VOICE));
+ if (state->cli_change[i].flag & MODE_CHANOP)
+ ClearDeopped(member);
+ } else
+ member->status &= ~(state->cli_change[i].flag &
+ (MODE_CHANOP | MODE_VOICE));
+ }
+ } /* for (i = 0; state->cli_change[i].flags; i++) { */
+}
+
+/*
+ * Helper function to process the simple modes
+ */
+static void
+mode_parse_mode(struct ParseState *state, int *flag_p)
+{
+ if ((state->dir == MODE_ADD && (flag_p[0] & state->chptr->mode.mode)) ||
+ (state->dir == MODE_DEL && !(flag_p[0] & state->chptr->mode.mode)))
+ return; /* no change */
+
+ /* If they're not an oper, they can't change modes */
+ if (state->flags & (MODE_PARSE_NOTOPER | MODE_PARSE_NOTMEMBER)) {
+ send_notoper(state);
+ return;
+ }
+
+ assert(0 != state->mbuf);
+
+ modebuf_mode(state->mbuf, state->dir | flag_p[0]);
+
+ /* make +p and +s mutually exclusive */
+ if (state->dir == MODE_ADD && flag_p[0] & (MODE_SECRET | MODE_PRIVATE)) {
+ if (flag_p[0] == MODE_SECRET && (state->chptr->mode.mode & MODE_PRIVATE))
+ modebuf_mode(state->mbuf, MODE_DEL | MODE_PRIVATE);
+ else if (flag_p[0] == MODE_PRIVATE &&
+ (state->chptr->mode.mode & MODE_SECRET))
+ modebuf_mode(state->mbuf, MODE_DEL | MODE_SECRET);
+ }
+
+ if (state->flags & MODE_PARSE_SET) { /* set the flags */
+ if (state->dir == MODE_ADD) { /* add the mode to the channel */
+ state->chptr->mode.mode |= flag_p[0];
+
+ /* make +p and +s mutually exclusive */
+ if (state->dir == MODE_ADD && flag_p[0] & (MODE_SECRET | MODE_PRIVATE)) {
+ if (flag_p[0] == MODE_PRIVATE)
+ state->chptr->mode.mode &= ~MODE_SECRET;
+ else
+ state->chptr->mode.mode &= ~MODE_PRIVATE;
+ }
+ } else /* remove the mode from the channel */
+ state->chptr->mode.mode &= ~flag_p[0];
+ }
+
+ /* Clear out invite structures if we're removing invites */
+ if (state->flags & MODE_PARSE_SET && state->dir == MODE_DEL &&
+ flag_p[0] == MODE_INVITEONLY)
+ mode_invite_clear(state->chptr);
+}
+
+/*
+ * This routine is intended to parse MODE or OPMODE commands and effect the
+ * changes (or just build the bounce buffer). We pass the starting offset
+ * as a
+ */
+int
+mode_parse(struct ModeBuf *mbuf, struct Client *cptr, struct Client *sptr,
+ struct Channel *chptr, int parc, char *parv[], unsigned int flags)
+{
+ static int chan_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',
+ MODE_ADD, '+',
+ MODE_DEL, '-',
+ 0x0, 0x0
+ };
+ int i;
+ int *flag_p;
+ char *modestr;
+ struct ParseState state;
+
+ assert(0 != cptr);
+ assert(0 != sptr);
+ assert(0 != chptr);
+ assert(0 != parc);
+ assert(0 != parv);
+
+ state.mbuf = mbuf;
+ state.cptr = cptr;
+ state.sptr = sptr;
+ state.chptr = chptr;
+ state.parc = parc;
+ state.parv = parv;
+ state.flags = flags;
+ state.dir = MODE_ADD;
+ state.done = 0;
+ state.args_used = 0;
+ state.max_args = MAXMODEPARAMS;
+ state.numbans = 0;
+
+ for (i = 0; i < MAXPARA; i++) { /* initialize ops/voices arrays */
+ state.banlist[i].next = 0;
+ state.banlist[i].value.ban.banstr = 0;
+ state.banlist[i].value.ban.who = 0;
+ state.banlist[i].value.ban.when = 0;
+ state.banlist[i].flags = 0;
+ state.cli_change[i].flag = 0;
+ state.cli_change[i].client = 0;
+ }
+
+ modestr = state.parv[state.args_used++];
+ state.parc--;
+
+ while (*modestr) {
+ for (; *modestr; modestr++) {
+ for (flag_p = chan_flags; flag_p[0]; flag_p += 2) /* look up flag */
+ if (flag_p[1] == *modestr)
+ break;
+
+ if (!flag_p[0]) { /* didn't find it? complain and continue */
+ if (MyUser(state.sptr))
+ send_reply(state.sptr, ERR_UNKNOWNMODE, *modestr);
+ continue;
+ }
+
+ switch (*modestr) {
+ case '+': /* switch direction to MODE_ADD */
+ case '-': /* switch direction to MODE_DEL */
+ state.dir = flag_p[0];
+ break;
+
+ case 'l': /* deal with limits */
+ mode_parse_limit(&state, flag_p);
+ break;
+
+ case 'k': /* deal with keys */
+ mode_parse_key(&state, flag_p);
+ break;
+
+ case 'b': /* deal with bans */
+ mode_parse_ban(&state, flag_p);
+ break;
+
+ case 'o': /* deal with ops/voice */
+ case 'v':
+ mode_parse_client(&state, flag_p);
+ break;
+
+ default: /* deal with other modes */
+ mode_parse_mode(&state, flag_p);
+ break;
+ } /* switch (*modestr) { */
+ } /* for (; *modestr; modestr++) { */
+
+ if (state.parc > 0) { /* process next argument in string */
+ modestr = state.parv[state.args_used++];
+ state.parc--;
+
+ /* is it a TS? */
+ if (IsServer(state.sptr) && !state.parc && IsDigit(*modestr)) {
+ time_t recv_ts;
+
+ if (!(state.flags & MODE_PARSE_SET)) /* don't set earlier TS if */
+ break; /* we're then going to bounce the mode! */
+
+ recv_ts = atoi(modestr);
+
+ if (recv_ts && recv_ts < state.chptr->creationtime)
+ state.chptr->creationtime = recv_ts; /* respect earlier TS */
+
+ break; /* break out of while loop */
+ } else if (state.flags & MODE_PARSE_STRICT ||
+ (MyUser(state.sptr) && state.max_args <= 0)) {
+ state.parc++; /* we didn't actually gobble the argument */
+ state.args_used--;
+ break; /* break out of while loop */
+ }
+ }
+ } /* while (*modestr) { */
+
+ /*
+ * 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))
+ return state.args_used; /* tell our parent how many args we gobbled */
+
+ assert(0 != state.mbuf);
+
+ if (state.done & DONE_BANCLEAN) /* process bans */
+ mode_process_bans(&state);
+
+ /* process client changes */
+ if (state.cli_change[0].flag)
+ mode_process_clients(&state);
+
+ return state.args_used; /* tell our parent how many args we gobbled */
+}
projects / ircu2.10.12-pk.git / blobdiff