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m_starttls: new module implementing ircv3 tls-3.1 optional extension

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William Pitcock 2012-09-22 16:30:01 -05:00
parent 538d4d6188
commit 21f715a9a3
2 changed files with 81 additions and 0 deletions
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1
modules/Makefile.in
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@ -101,6 +101,7 @@ TSRCS = \
m_set.c \
m_signon.c \
m_snote.c \
m_starttls.c \
m_stats.c \
m_svinfo.c \
m_tb.c \

80
modules/m_starttls.c Normal file
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@ -0,0 +1,80 @@
/*
* Copyright (c) 2012 William Pitcock <nenolod@dereferenced.org>.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice is present in all copies.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "stdinc.h"
#include "client.h"
#include "common.h"
#include "match.h"
#include "hash.h"
#include "ircd.h"
#include "numeric.h"
#include "send.h"
#include "msg.h"
#include "modules.h"
#include "sslproc.h"
static int mr_starttls(struct Client *, struct Client *, int, const char **);
struct Message starttls_msgtab = {
"STARTTLS", 0, 0, 0, MFLG_SLOW,
{{mr_starttls, 0}, mg_ignore, mg_ignore, mg_ignore, mg_ignore, mg_ignore}
};
mapi_clist_av1 starttls_clist[] = { &starttls_msgtab, NULL };
DECLARE_MODULE_AV1(starttls, NULL, NULL, starttls_clist, NULL, NULL, "$Revision$");
static int
mr_starttls(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
#ifdef HAVE_LIBCRYPTO
ssl_ctl_t *ctl;
rb_fde_t *F[2];
if (!MyConnect(client_p))
return 0;
if (rb_socketpair(AF_UNIX, SOCK_STREAM, 0, &F[0], &F[1], "STARTTLS ssld session") == -1)
{
ilog_error("error creating SSL/TLS socketpair for ssld slave");
return 1;
}
s_assert(client_p->localClient != NULL);
/* clear out any remaining plaintext lines */
rb_linebuf_donebuf(&client_p->localClient->buf_recvq);
sendto_one_numeric(client_p, RPL_STARTTLS, form_str(RPL_STARTTLS));
send_queued(client_p);
ctl = start_ssld_accept(client_p->localClient->F, F[1], rb_get_fd(F[0]));
if (ctl != NULL)
{
client_p->localClient->F = F[0];
client_p->localClient->ssl_ctl = ctl;
SetSSL(client_p);
}
else
return 1;
#endif
return 0;
}