char *printallmodes(channel *cp) {
static char buf[1024];
char buf2[12];
if(IsLimit(cp))
snprintf(buf2, sizeof(buf2), "%d", cp->limit);
snprintf(buf, sizeof(buf), "%s %s%s%s", printflags(cp->flags, cmodeflags), IsLimit(cp)?buf2:"", IsLimit(cp)?" ":"", IsKey(cp)?cp->key->content:"");
return buf;
}
int handleburstmsg(void *source, int cargc, char **cargv) {
channel *cp;
time_t timestamp;
int wipeout=0;
int i;
int arg=0;
char *charp;
int newlimit;
int waslimit,waskeyed;
char *nextnum;
unsigned long currentmode;
int isnewchan;
/* (we don't see the first 2 params in cargc) */
/* AK B #+lod+ 1017561154 +tnk eits ATJWu:o,AiW1a,Ag3lV,AiWnl,AE6oI :%*[email protected] */
if (cargc<2) {
Error("channel",ERR_WARNING,"Burst message with only %d parameters",cargc);
return CMD_OK;
}
timestamp=strtol(cargv[1],NULL,10);
if ((cp=findchannel(cargv[0]))==NULL) {
/* We don't have this channel already */
cp=createchannel(cargv[0]);
cp->timestamp=timestamp;
isnewchan=1;
} else {
isnewchan=0;
if (timestamp<cp->timestamp) {
/* The incoming timestamp is older. Erase all our current channel modes, and the topic. */
cp->timestamp=timestamp;
freesstring(cp->topic);
cp->topic=NULL;
cp->topictime=0;
freesstring(cp->key);
cp->key=NULL;
cp->limit=0;
cp->flags=0;
clearallbans(cp);
/* Remove all +v, +o we currently have */
for(i=0;i<cp->users->hashsize;i++) {
if (cp->users->content[i]!=nouser) {
cp->users->content[i]&=CU_NUMERICMASK;
}
}
} else if (timestamp>cp->timestamp) {
/* The incoming timestamp is greater. Ignore any incoming modes they may happen to set */
wipeout=1;
}
}
/* OK, dealt with the name and timestamp.
* Loop over the remaining args */
for (arg=2;arg<cargc;arg++) {
if (cargv[arg][0]=='+') {
/* Channel modes */
if (wipeout) {
/* We ignore the modes, but we need to see if they include +l or +k
* so that we can ignore their corresponding values */
for (charp=cargv[arg];*charp;charp++) {
if (*charp=='k' || *charp=='l') {
arg++;
}
}
} else {
/* Clear off the limit and key flags before calling setflags so we can see if the burst tried to set them */
/* If the burst doesn't set them, we restore them afterwards */
waslimit=IsLimit(cp); ClearLimit(cp);
waskeyed=IsKey(cp); ClearKey(cp);
/* We can then use the flag function for these modes */
setflags(&(cp->flags),CHANMODE_ALL,cargv[arg],cmodeflags,REJECT_NONE);
/* Pick up the limit and key, if they were set. Note that the limit comes first */
if (IsLimit(cp)) { /* A limit was SET by the burst */
if (++arg>=cargc) {
/* Ran out of args -- damn ircd is spewing out crap again */
Error("channel",ERR_WARNING,"Burst +l with no argument");
break; /* "break" being the operative word */
} else {
newlimit=strtol(cargv[arg],NULL,10);
}
if (cp->limit>0 && waslimit) {
/* We had a limit before -- we now have the lowest one of the two */
if (newlimit<cp->limit) {
cp->limit=newlimit;
}
} else {
/* No limit before -- we just have the new one */
cp->limit=newlimit;
}
} else if (waslimit) {
SetLimit(cp); /* We had a limit before, but the burst didn't set one. Restore flag. */
}
if (IsKey(cp)) { /* A key was SET by the burst */
if (++arg>=cargc) {
/* Ran out of args -- oopsie! */
Error("channel",ERR_WARNING,"Burst +k with no argument");
break;
}
if (waskeyed) {
/* We had a key before -- alphabetically first wins */
if (ircd_strcmp(cargv[arg],cp->key->content)<0) {
/* Replace our key */
freesstring(cp->key);
cp->key=getsstring(cargv[arg],KEYLEN);
}
} else {
/* No key before -- just the new one */
cp->key=getsstring(cargv[arg],KEYLEN);
}
} else if (waskeyed) {
SetKey(cp); /* We had a key before, but the burst didn't set one. Restore flag. */
}
}
} else if (cargv[arg][0]=='%') {
/* We have one or more bans here */
nextnum=cargv[arg]+1;
while (*nextnum) {
/* Split off the next ban */
for (charp=nextnum;*charp;charp++) {
if (*charp==' ') {
*charp='\0';
charp++;
break;
}
}
setban(cp,nextnum);
nextnum=charp;
}
} else {
/* List of numerics */
nextnum=charp=cargv[arg];
currentmode=0;
while (*nextnum!='\0') {
/* Step over the next numeric */
for (i=0;i<5;i++) {
if (*charp++=='\0')
break;
}
if (i<5) {
break;
}
if (*charp==',') {
*charp='\0';
charp++;
} else if (*charp==':') {
*charp='\0';
charp++;
currentmode=0;
/* Look for modes */
for (;*charp;charp++) {
if (*charp=='v') {
currentmode|=CUMODE_VOICE;
} else if (*charp=='o') {
currentmode|=CUMODE_OP;
} else if (*charp==',') {
charp++;
break;
}
}
/* If we're ignore incoming modes, zap it to zero again */
if (wipeout) {
currentmode=0;
}
}
/* OK. At this point charp points to either '\0' if we're at the end,
* or the start of the next numeric otherwise. nextnum points at a valid numeric
* we need to add, and currentmode reflects the correct mode */
addnicktochannel(cp,(numerictolong(nextnum,5)|currentmode));
nextnum=charp;
}
}
}
if (cp->users->totalusers==0) {
/* Oh dear, the channel is now empty. Perhaps one of those
* charming empty burst messages you get sometimes.. */
if (!isnewchan) {
/* I really don't think this can happen, can it..? */
/* Only send the LOSTCHANNEL if the channel existed before */
triggerhook(HOOK_CHANNEL_LOSTCHANNEL,cp);
}
delchannel(cp);
} else {
/* If this is a new channel, we do the NEWCHANNEL hook also */
if (isnewchan) {
triggerhook(HOOK_CHANNEL_NEWCHANNEL,cp);
}
/* Just one hook to say "something happened to this channel" */
triggerhook(HOOK_CHANNEL_BURST,cp);
}
return CMD_OK;
}