/* remove_unknown()
*
* inputs -
* output -
* side effects -
*/
static void
parse_remove_unknown(struct Client *client_p, const char *lsender, char *lbuffer)
{
/*
* Do kill if it came from a server because it means there is a ghost
* user on the other server which needs to be removed. -avalon
* Tell opers about this. -Taner
*/
/*
* '[0-9]something' is an ID (KILL/SQUIT depending on its length)
* 'nodots' is a nickname (KILL)
* 'no.dot.at.start' is a server (SQUIT)
*/
if ((IsDigit(*lsender) && strlen(lsender) <= IRC_MAXSID) || strchr(lsender, '.'))
{
sendto_realops_flags(UMODE_DEBUG, L_ADMIN, SEND_NOTICE,
"Unknown prefix (%s) from %s, Squitting %s",
lbuffer, client_get_name(client_p, SHOW_IP), lsender);
sendto_realops_flags(UMODE_DEBUG, L_OPER, SEND_NOTICE,
"Unknown prefix (%s) from %s, Squitting %s",
lbuffer, client_get_name(client_p, MASK_IP), lsender);
sendto_one(client_p, ":%s SQUIT %s :(Unknown prefix (%s) from %s)",
me.id, lsender, lbuffer, client_p->name);
}
else
sendto_one(client_p, ":%s KILL %s :%s (Unknown Client)",
me.id, lsender, me.name);
}
/** PropertyNotify handle event
* \param ev XPropertyEvent pointer
*/
static void
propertynotify(XPropertyEvent *ev)
{
Client *c;
Systray *s;
Window trans;
XWMHints *h;
if(ev->state == PropertyDelete)
return;
if((s = systray_find(ev->window)))
{
systray_state(s);
systray_update();
}
if((c = client_gb_win(ev->window)))
{
switch(ev->atom)
{
case XA_WM_TRANSIENT_FOR:
XGetTransientForHint(dpy, c->win, &trans);
if((c->flags & TileFlag || c->flags & MaxFlag))
if(((c->flags & HintFlag && (client_gb_win(trans) != NULL)))
|| (!(c->flags & HintFlag && (client_gb_win(trans) != NULL))))
arrange(c->screen, True);
break;
case XA_WM_NORMAL_HINTS:
client_size_hints(c);
break;
case XA_WM_HINTS:
if((h = XGetWMHints(dpy, c->win)) && (h->flags & XUrgencyHint) && c != sel)
{
client_urgent(c, True);
XFree(h);
}
break;
case XA_WM_NAME:
client_get_name(c);
break;
default:
if(ev->atom == net_atom[net_wm_name])
client_get_name(c);
break;
}
}
return;
}
static void
event_propertynotify(XEvent *e)
{
XPropertyEvent *ev = &e->xproperty;
XWMHints *h;
struct client *c;
struct _systray *s;
if(ev->state == PropertyDelete)
return;
if((c = client_gb_win(ev->window)))
{
switch(ev->atom)
{
case XA_WM_TRANSIENT_FOR:
break;
case XA_WM_NORMAL_HINTS:
client_get_sizeh(c);
break;
case XA_WM_HINTS:
if((h = XGetWMHints(EVDPY(e), c->win))
&& (h->flags & XUrgencyHint)
&& c->tag != W->screen->seltag)
{
c->tag->flags |= TAG_URGENT;
infobar_elem_screen_update(c->screen, ElemTag);
XFree(h);
}
break;
default:
if(ev->atom == XA_WM_NAME || ev->atom == W->net_atom[net_wm_name])
client_get_name(c);
break;
}
}
else if((s = systray_find(ev->window)))
{
systray_state(s);
systray_update();
}
}
/*
* parse a buffer.
*
* NOTE: parse() should not be called recusively by any other functions!
*/
void
parse(struct Client *client_p, char *pbuffer, char *bufend)
{
struct Client *from = client_p;
struct Message *message = NULL;
char *para[MAXPARA + 2]; /* <command> + <parameters> + NULL */
char *ch = NULL;
char *s = NULL;
unsigned int numeric = 0;
unsigned int parc = 0;
unsigned int paramcount;
if (IsDead(client_p))
return;
assert(client_p->connection);
assert(client_p->connection->fd);
assert(client_p->connection->fd->flags.open);
assert((bufend - pbuffer) < IRCD_BUFSIZE);
for (ch = pbuffer; *ch == ' '; ++ch) /* Skip spaces */
;
if (*ch == ':')
{
/*
* Copy the prefix to 'sender' assuming it terminates
* with SPACE (or NULL, which is an error, though).
*/
const char *const sender = ++ch;
if ((s = strchr(ch, ' ')))
{
*s = '\0';
ch = ++s;
}
if (*sender && IsServer(client_p))
{
if ((from = hash_find_id(sender)) == NULL)
from = hash_find_client(sender);
/*
* Hmm! If the client corresponding to the prefix is not found--what is
* the correct action??? Now, I will ignore the message (old IRC just
* let it through as if the prefix just wasn't there...) --msa
*/
if (from == NULL)
{
++ServerStats.is_unpf;
parse_remove_unknown(client_p, sender, pbuffer);
return;
}
if (from->from != client_p)
{
++ServerStats.is_wrdi;
sendto_realops_flags(UMODE_DEBUG, L_ADMIN, SEND_NOTICE,
"Fake direction: dropped message from %s[%s] via %s",
from->name, from->from->name,
client_get_name(client_p, SHOW_IP));
sendto_realops_flags(UMODE_DEBUG, L_OPER, SEND_NOTICE,
"Fake direction: dropped message from %s[%s] via %s",
from->name, from->from->name,
client_get_name(client_p, MASK_IP));
return;
}
}
while (*ch == ' ')
++ch;
}
if (*ch == '\0')
{
++ServerStats.is_empt;
return;
}
/*
* Extract the command code from the packet. Point s to the end
* of the command code and calculate the length using pointer
* arithmetic. Note: only need length for numerics and *all*
* numerics must have parameters and thus a space after the command
* code. -avalon
*/
/* EOB is 3 characters long but is not a numeric */
if (*(ch + 3) == ' ' && /* Ok, let's see if it's a possible numeric */
IsDigit(*ch) && IsDigit(*(ch + 1)) && IsDigit(*(ch + 2)))
{
numeric = (*ch - '0') * 100 + (*(ch + 1) - '0') * 10 + (*(ch + 2) - '0');
paramcount = 2; /* Destination, and the rest of it */
++ServerStats.is_num;
s = ch + 3; /* I know this is ' ' from above if */
*s++ = '\0'; /* Blow away the ' ', and point s to next part */
}
else
{
if ((s = strchr(ch, ' ')))
*s++ = '\0';
if ((message = find_command(ch)) == NULL)
{
/*
* Note: Give error message *only* to recognized
* persons. It's a nightmare situation to have
* two programs sending "Unknown command"'s or
* equivalent to each other at full blast....
* If it has got to person state, it at least
* seems to be well behaving. Perhaps this message
* should never be generated, though... --msa
* Hm, when is the buffer empty -- if a command
* code has been found ?? -Armin
*/
if (*pbuffer)
if (IsClient(from))
sendto_one_numeric(from, &me, ERR_UNKNOWNCOMMAND, ch);
++ServerStats.is_unco;
return;
}
assert(message->cmd);
paramcount = message->args_max;
size_t length = bufend - ((s) ? s : ch);
message->bytes += length;
}
/*
* Must the following loop really be so devious? On surface it
* splits the message to parameters from blank spaces. But, if
* paramcount has been reached, the rest of the message goes into
* this last parameter (about same effect as ":" has...) --msa
*/
/* Note initially true: s == NULL || *(s - 1) == '\0' !! */
para[parc] = ch;
if (message && (message->flags & MFLG_EXTRA))
{
/*
* XXX: This will have to go away after the command handler rewrite
*/
para[++parc] = message->extra;
}
if (s)
{
if (paramcount > MAXPARA)
paramcount = MAXPARA;
while (true)
{
while (*s == ' ')
*s++ = '\0';
if (*s == '\0')
break;
if (*s == ':')
{
/* The rest is single parameter--can include blanks also. */
para[++parc] = s + (numeric == 0); /* Keep the colon if it's a numeric */
break;
}
para[++parc] = s;
if (parc >= paramcount)
break;
while (*s && *s != ' ')
++s;
}
}
para[++parc] = NULL;
if (message)
parse_handle_command(message, from, parc, para);
else
parse_handle_numeric(numeric, from, parc, para);
}
