modules/m_certfp.c

   1 /*
   2  * m_certfp.c: propagates client certificate fingerprint information
   3  *
   4  * Copyright (C) 2010 Jilles Tjoelker
   5  * Copyright (C) 2010 charybdis development team
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions are
   9  * met:
  10  *
  11  * 1.Redistributions of source code must retain the above copyright notice,
  12  *   this list of conditions and the following disclaimer.
  13  * 2.Redistributions in binary form must reproduce the above copyright
  14  *   notice, this list of conditions and the following disclaimer in the
  15  *   documentation and/or other materials provided with the distribution.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  20  * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
  21  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  23  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  25  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  26  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  27  * POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #include "stdinc.h"
  31 #include "client.h"
  32 #include "match.h"
  33 #include "hash.h"
  34 #include "ircd.h"
  35 #include "numeric.h"
  36 #include "send.h"
  37 #include "msg.h"
  38 #include "modules.h"
  39
  40 static const char certfp_desc[] =
  41         "Provides the CERTFP facility used by servers to set certificate fingerprints";
  42
  43 static void me_certfp(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
  44
  45 struct Message certfp_msgtab = {
  46         "CERTFP", 0, 0, 0, 0,
  47         {mg_unreg, mg_ignore, mg_ignore, mg_ignore, {me_certfp, 2}, mg_ignore}
  48 };
  49
  50 mapi_clist_av1 certfp_clist[] = { &certfp_msgtab, NULL };
  51
  52 DECLARE_MODULE_AV2(certfp, NULL, NULL, certfp_clist, NULL, NULL, NULL, NULL, certfp_desc);
  53
  54 /*
  55 ** me_certfp
  56 **      parv[1] = certfp string
  57 */
  58 static void
  59 me_certfp(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
  60 {
  61         if (!IsPerson(source_p))
  62                 return;
  63
  64         rb_free(source_p->certfp);
  65         source_p->certfp = NULL;
  66         if (!EmptyString(parv[1]))
  67                 source_p->certfp = rb_strdup(parv[1]);
  68 }