modules/m_version.c

   1 /*
   2  *  ircd-ratbox: A slightly useful ircd.
   3  *  m_version.c: Shows ircd version information.
   4  *
   5  *  Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
   6  *  Copyright (C) 1996-2002 Hybrid Development Team
   7  *  Copyright (C) 2002-2005 ircd-ratbox development team
   8  *
   9  *  This program is free software; you can redistribute it and/or modify
  10  *  it under the terms of the GNU General Public License as published by
  11  *  the Free Software Foundation; either version 2 of the License, or
  12  *  (at your option) any later version.
  13  *
  14  *  This program is distributed in the hope that it will be useful,
  15  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *  GNU General Public License for more details.
  18  *
  19  *  You should have received a copy of the GNU General Public License
  20  *  along with this program; if not, write to the Free Software
  21  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
  22  *  USA
  23  */
  24
  25 #include <stdinc.h>
  26 #include "client.h"
  27 #include "ircd.h"
  28 #include "numeric.h"
  29 #include "s_conf.h"
  30 #include "s_serv.h"
  31 #include "supported.h"
  32 #include "send.h"
  33 #include "msg.h"
  34 #include "parse.h"
  35 #include "modules.h"
  36
  37 static const char version_desc[] =
  38         "Provides the VERSION command to display server version information";
  39
  40 static char *confopts(void);
  41
  42 static int m_version(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
  43 static int mo_version(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
  44
  45 struct Message version_msgtab = {
  46         "VERSION", 0, 0, 0, 0,
  47         {mg_unreg, {m_version, 0}, {mo_version, 0}, {mo_version, 0}, mg_ignore, {mo_version, 0}}
  48 };
  49
  50 mapi_clist_av1 version_clist[] = { &version_msgtab, NULL };
  51
  52 DECLARE_MODULE_AV2(version, NULL, NULL, version_clist, NULL, NULL, NULL, NULL, version_desc);
  53
  54 /*
  55  * m_version - VERSION command handler
  56  *      parv[1] = remote server
  57  */
  58 static int
  59 m_version(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
  60 {
  61         static time_t last_used = 0L;
  62
  63         if(parc > 1)
  64         {
  65                 if((last_used + ConfigFileEntry.pace_wait) > rb_current_time())
  66                 {
  67                         /* safe enough to give this on a local connect only */
  68                         sendto_one(source_p, form_str(RPL_LOAD2HI),
  69                                    me.name, source_p->name, "VERSION");
  70                         return 0;
  71                 }
  72                 else
  73                         last_used = rb_current_time();
  74
  75                 if(hunt_server(client_p, source_p, ":%s VERSION :%s", 1, parc, parv) != HUNTED_ISME)
  76                         return 0;
  77         }
  78
  79         sendto_one_numeric(source_p, RPL_VERSION, form_str(RPL_VERSION),
  80                            ircd_version, serno,
  81 #ifdef CUSTOM_BRANDING
  82                            PACKAGE_NAME "-" PACKAGE_VERSION,
  83 #endif
  84                            me.name, confopts(), TS_CURRENT,
  85                            ServerInfo.sid);
  86
  87         show_isupport(source_p);
  88
  89         return 0;
  90 }
  91
  92 /*
  93  * mo_version - VERSION command handler
  94  *      parv[1] = remote server
  95  */
  96 static int
  97 mo_version(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
  98 {
  99         if(hunt_server(client_p, source_p, ":%s VERSION :%s", 1, parc, parv) == HUNTED_ISME)
 100         {
 101                 sendto_one_numeric(source_p, RPL_VERSION, form_str(RPL_VERSION),
 102                                    ircd_version, serno,
 103 #ifdef CUSTOM_BRANDING
 104                                    PACKAGE_NAME "-" PACKAGE_VERSION,
 105 #endif
 106                                    me.name, confopts(), TS_CURRENT,
 107                                    ServerInfo.sid);
 108                 show_isupport(source_p);
 109         }
 110
 111         return 0;
 112 }
 113
 114 /* confopts()
 115  * input  - none
 116  * output - ircd.conf option string
 117  * side effects - none
 118  */
 119 static char *
 120 confopts(void)
 121 {
 122         static char result[15];
 123         char *p;
 124
 125         result[0] = '\0';
 126         p = result;
 127
 128         if(ConfigChannel.use_except)
 129                 *p++ = 'e';
 130
 131         /* might wanna hide this :P */
 132         if(ServerInfo.hub)
 133                 *p++ = 'H';
 134
 135         if(ConfigChannel.use_invex)
 136                 *p++ = 'I';
 137
 138         if(ConfigChannel.use_knock)
 139                 *p++ = 'K';
 140
 141         *p++ = 'M';
 142         *p++ = 'p';
 143
 144         if(opers_see_all_users || ConfigFileEntry.operspy_dont_care_user_info)
 145                 *p++ = 'S';
 146 #ifdef IGNORE_BOGUS_TS
 147         *p++ = 'T';
 148 #endif
 149
 150 #ifdef HAVE_LIBZ
 151         *p++ = 'Z';
 152 #endif
 153
 154 #ifdef RB_IPV6
 155         *p++ = '6';
 156 #endif
 157
 158         *p = '\0';
 159
 160         return result;
 161 }