/*
* Copyright (c) 2022-2024 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. The rights granted to you under the License
* may not be used to create, or enable the creation or redistribution of,
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
*
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
#include <netinet/in_var.h>
#include <netinet/inp_log.h>
SYSCTL_NODE(_net_inet_ip, OID_AUTO, log, CTLFLAG_RW | CTLFLAG_LOCKED, 0,
"TCP/IP + UDP logs");
#if (DEVELOPMENT || DEBUG)
#define INP_LOG_PRIVACY_DEFAULT 0
#else
#define INP_LOG_PRIVACY_DEFAULT 1
#endif /* (DEVELOPMENT || DEBUG) */
int inp_log_privacy = INP_LOG_PRIVACY_DEFAULT;
SYSCTL_INT(_net_inet_ip_log, OID_AUTO, privacy,
CTLFLAG_RW | CTLFLAG_LOCKED, &inp_log_privacy, 0, "");
void
inp_log_addresses(struct inpcb *inp, char *__sized_by(lbuflen) lbuf,
socklen_t lbuflen, char *__sized_by(fbuflen) fbuf,
socklen_t fbuflen)
{
/*
* Ugly but %{private} does not work in the kernel version of os_log()
*/
if (inp_log_privacy != 0) {
if (inp->inp_vflag & INP_IPV6) {
strlcpy(lbuf, "<IPv6-redacted>", lbuflen);
strlcpy(fbuf, "<IPv6-redacted>", fbuflen);
} else {
strlcpy(lbuf, "<IPv4-redacted>", lbuflen);
strlcpy(fbuf, "<IPv4-redacted>", fbuflen);
}
} else if (inp->inp_vflag & INP_IPV6) {
struct in6_addr addr6;
if (IN6_IS_ADDR_LINKLOCAL(&inp->in6p_laddr)) {
addr6 = inp->in6p_laddr;
addr6.s6_addr16[1] = 0;
inet_ntop(AF_INET6, (void *)&addr6, lbuf, lbuflen);
} else {
inet_ntop(AF_INET6, (void *)&inp->in6p_laddr, lbuf, lbuflen);
}
if (IN6_IS_ADDR_LINKLOCAL(&inp->in6p_faddr)) {
addr6 = inp->in6p_faddr;
addr6.s6_addr16[1] = 0;
inet_ntop(AF_INET6, (void *)&addr6, fbuf, fbuflen);
} else {
inet_ntop(AF_INET6, (void *)&inp->in6p_faddr, fbuf, fbuflen);
}
} else {
inet_ntop(AF_INET, (void *)&inp->inp_laddr.s_addr, lbuf, lbuflen);
inet_ntop(AF_INET, (void *)&inp->inp_faddr.s_addr, fbuf, fbuflen);
}
}