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/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* SPDX-License-Identifier: MPL-2.0 and ISC
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, you can obtain one at https://mozilla.org/MPL/2.0/.
*/
/*
* Copyright (C) Stichting NLnet, Netherlands, stichting@nlnet.nl.
* Copyright (C) John Eaglesham
*
* The development of Dynamically Loadable Zones (DLZ) for Bind 9 was
* conceived and contributed by Rob Butler.
*
* Permission to use, copy, modify, and distribute this software for any purpose
* with or without fee is hereby granted, provided that the above copyright
* notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#define ADDR_BUF_LEN INET6_ADDRSTRLEN
#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
#include "dlz_perl_driver.h"
#include <dlz_minimal.h>
/* And some XS code. */
MODULE = DLZ_Perl::clientinfo PACKAGE = DLZ_Perl::clientinfo
PROTOTYPES: DISABLE
void
sourceip(opaque)
SV *opaque
PREINIT:
const char *ret;
char addr_buf[ADDR_BUF_LEN];
int port;
isc_sockaddr_t *src;
dlz_perl_clientinfo_opaque *ci;
I32 wantarray = GIMME_V;
PPCODE:
if (!SvTRUE(opaque) || !SvIOK(opaque)) XSRETURN_EMPTY;
/*
* Safe, because Perl guarantees that an IV (the type we
* pass into DLZ functions who pass it here) is able to
* hold a pointer.
*/
ci = (dlz_perl_clientinfo_opaque *) SvIV(opaque);
if (wantarray == G_VOID || ci->methods == NULL ||
ci->methods->version - ci->methods->age <
DNS_CLIENTINFOMETHODS_VERSION)
XSRETURN_EMPTY;
ci->methods->sourceip(ci->clientinfo, &src);
switch (src->type.sa.sa_family) {
case AF_INET:
port = ntohs(src->type.sin.sin_port);
ret = inet_ntop(AF_INET,
&src->type.sin.sin_addr,
addr_buf, ADDR_BUF_LEN);
break;
case AF_INET6:
port = ntohs(src->type.sin6.sin6_port);
ret = inet_ntop(AF_INET6,
&src->type.sin6.sin6_addr,
addr_buf, ADDR_BUF_LEN);
break;
default:
ret = NULL;
}
if (ret == NULL) XSRETURN_EMPTY;
XPUSHs(sv_2mortal(newSVpv(addr_buf, strlen(addr_buf))));
if (wantarray == G_ARRAY) XPUSHs(sv_2mortal(newSViv(port)));
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