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unrealircd/src/modules/motd.c
T
Bram Matthys 8603c2eb71 Update hunt_server() so command is really the command (eg "LUSERS") and
not a format string (eg ":%s LUSERS %s"). It now simply concats all parv[]'s.
That is, up to parc count. And it automatically does the :stuff for the
last parameter if it contains spaces or starts with a : etc.

This gets rid of a bit sketchy code with an arbitrary maximum etc.

Now it's just:
if (hunt_server(client, NULL, "REHASH", 1, parc, parv) != HUNTED_ISME)
	return;

This has one side effect, though:
Previously we used the format string, so it may be possible for S2S
traffic to now have more arguments then before here and there.
Eg:
* It could be that the caller was using a format string to
  intentionally cut off an extra parameter at the end.
  You can still do that if you call with eg parc-1 instead of parc.
  I don't think there were any such cases though, but hard to rule out.
* Extranous parameters may show up in S2S traffic where it was
  previously unexpected.
2021-09-25 14:49:19 +02:00

124 lines
2.6 KiB
C

/*
* IRC - Internet Relay Chat, src/modules/motd.c
* (C) 2005 The UnrealIRCd Team
*
* See file AUTHORS in IRC package for additional names of
* the programmers.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 1, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "unrealircd.h"
CMD_FUNC(cmd_motd);
#define MSG_MOTD "MOTD"
ModuleHeader MOD_HEADER
= {
"motd",
"5.0",
"command /motd",
"UnrealIRCd Team",
"unrealircd-6",
};
MOD_INIT()
{
CommandAdd(modinfo->handle, MSG_MOTD, cmd_motd, MAXPARA, CMD_USER|CMD_SERVER);
MARK_AS_OFFICIAL_MODULE(modinfo);
return MOD_SUCCESS;
}
MOD_LOAD()
{
return MOD_SUCCESS;
}
MOD_UNLOAD()
{
return MOD_SUCCESS;
}
/*
* Heavily modified from the ircu cmd_motd by codemastr
* Also svsmotd support added
*/
CMD_FUNC(cmd_motd)
{
ConfigItem_tld *ptr;
MOTDFile *themotd;
MOTDLine *motdline;
int svsnofile = 0;
if (IsServer(client))
return;
if (hunt_server(client, recv_mtags, "MOTD", 1, parc, parv) != HUNTED_ISME)
{
if (MyUser(client))
add_fake_lag(client, 15000);
return;
}
ptr = find_tld(client);
if (ptr)
themotd = &ptr->motd;
else
themotd = &motd;
if (themotd == NULL || themotd->lines == NULL)
{
sendnumeric(client, ERR_NOMOTD);
svsnofile = 1;
goto svsmotd;
}
sendnumeric(client, RPL_MOTDSTART, me.name);
/* tm_year should be zero only if the struct is zero-ed */
if (themotd && themotd->lines && themotd->last_modified.tm_year)
{
sendnumericfmt(client, RPL_MOTD, ":- %.04d-%.02d-%.02d %.02d:%02d",
themotd->last_modified.tm_year + 1900,
themotd->last_modified.tm_mon + 1,
themotd->last_modified.tm_mday,
themotd->last_modified.tm_hour,
themotd->last_modified.tm_min);
}
motdline = NULL;
if (themotd)
motdline = themotd->lines;
while (motdline)
{
sendnumeric(client, RPL_MOTD,
motdline->line);
motdline = motdline->next;
}
svsmotd:
motdline = svsmotd.lines;
while (motdline)
{
sendnumeric(client, RPL_MOTD,
motdline->line);
motdline = motdline->next;
}
if (svsnofile == 0)
sendnumeric(client, RPL_ENDOFMOTD);
}