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Remove the USE_RFC2292BIS option and reap dead code

Browse Source 
This option was imported as part of the KAME project in r62627 (in 2000).
It was turned on unconditionally in r121472 (in 2003) and has been on ever
since. The old alternative code has bitrotted. Reap the dead code.

Reported by:	Ján Sučan <jansucan@gmail.com>
MFC after:	2 weeks
Differential Revision:	https://reviews.freebsd.org/D20938
This commit is contained in:
Alan Somers 2019-07-22 20:11:33 +00:00
parent 634add3c8d
commit af58a3c6bf
6 changed files with 3 additions and 93 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
sbin/ping6/Makefile
View File

@ -4,7 +4,7 @@ PACKAGE=runtime
PROG= ping6
MAN= ping6.8
CFLAGS+=-DIPSEC -DKAME_SCOPEID -DUSE_RFC2292BIS
CFLAGS+=-DIPSEC -DKAME_SCOPEID
WARNS?= 3
BINOWN= root

49
sbin/ping6/ping6.c
View File

@ -307,9 +307,7 @@ main(int argc, char *argv[])
#endif
int usepktinfo = 0;
struct in6_pktinfo *pktinfo = NULL;
#ifdef USE_RFC2292BIS
struct ip6_rthdr *rthdr = NULL;
#endif
#ifdef IPSEC_POLICY_IPSEC
char *policy_in = NULL;
char *policy_out = NULL;
@ -902,11 +900,8 @@ main(int argc, char *argv[])
if (argc > 1) { /* some intermediate addrs are specified */
int hops;
#ifdef USE_RFC2292BIS
int rthdrlen;
#endif
#ifdef USE_RFC2292BIS
rthdrlen = inet6_rth_space(IPV6_RTHDR_TYPE_0, argc - 1);
scmsgp->cmsg_len = CMSG_LEN(rthdrlen);
scmsgp->cmsg_level = IPPROTO_IPV6;
@ -916,11 +911,6 @@ main(int argc, char *argv[])
IPV6_RTHDR_TYPE_0, argc - 1);
if (rthdr == NULL)
errx(1, "can't initialize rthdr");
#else /* old advanced API */
if ((scmsgp = (struct cmsghdr *)inet6_rthdr_init(scmsgp,
IPV6_RTHDR_TYPE_0)) == NULL)
errx(1, "can't initialize rthdr");
#endif /* USE_RFC2292BIS */
for (hops = 0; hops < argc - 1; hops++) {
memset(&hints, 0, sizeof(hints));
@ -933,22 +923,11 @@ main(int argc, char *argv[])
errx(1,
"bad addr family of an intermediate addr");
sin6 = (struct sockaddr_in6 *)(void *)res->ai_addr;
#ifdef USE_RFC2292BIS
if (inet6_rth_add(rthdr, &sin6->sin6_addr))
errx(1, "can't add an intermediate node");
#else /* old advanced API */
if (inet6_rthdr_add(scmsg, &sin6->sin6_addr,
IPV6_RTHDR_LOOSE))
errx(1, "can't add an intermediate node");
#endif /* USE_RFC2292BIS */
freeaddrinfo(res);
}
#ifndef USE_RFC2292BIS
if (inet6_rthdr_lasthop(scmsgp, IPV6_RTHDR_LOOSE))
errx(1, "can't set the last flag");
#endif
scmsgp = CMSG_NXTHDR(&smsghdr, scmsgp);
}
@ -968,7 +947,6 @@ main(int argc, char *argv[])
src.sin6_port = ntohs(DUMMY_PORT);
src.sin6_scope_id = dst.sin6_scope_id;
#ifdef USE_RFC2292BIS
if (pktinfo &&
setsockopt(dummy, IPPROTO_IPV6, IPV6_PKTINFO,
(void *)pktinfo, sizeof(*pktinfo)))
@ -988,12 +966,6 @@ main(int argc, char *argv[])
setsockopt(dummy, IPPROTO_IPV6, IPV6_RTHDR,
(void *)rthdr, (rthdr->ip6r_len + 1) << 3))
err(1, "UDP setsockopt(IPV6_RTHDR)");
#else /* old advanced API */
if (smsghdr.msg_control &&
setsockopt(dummy, IPPROTO_IPV6, IPV6_PKTOPTIONS,
(void *)smsghdr.msg_control, smsghdr.msg_controllen))
err(1, "UDP setsockopt(IPV6_PKTOPTIONS)");
#endif
if (connect(dummy, (struct sockaddr *)&src, len) < 0)
err(1, "UDP connect");
@ -1785,7 +1757,6 @@ pr_exthdrs(struct msghdr *mhdr)
}
}
#ifdef USE_RFC2292BIS
static void
pr_ip6opt(void *extbuf, size_t bufsize)
{
@ -1847,17 +1818,7 @@ pr_ip6opt(void *extbuf, size_t bufsize)
}
return;
}
#else /* !USE_RFC2292BIS */
/* ARGSUSED */
static void
pr_ip6opt(void *extbuf, size_t bufsize __unused)
{
putchar('\n');
return;
}
#endif /* USE_RFC2292BIS */
#ifdef USE_RFC2292BIS
static void
pr_rthdr(void *extbuf, size_t bufsize)
{
@ -1913,16 +1874,6 @@ pr_rthdr(void *extbuf, size_t bufsize)
}
#else /* !USE_RFC2292BIS */
/* ARGSUSED */
static void
pr_rthdr(void *extbuf, size_t bufsize __unused)
{
putchar('\n');
return;
}
#endif /* USE_RFC2292BIS */
static int
pr_bitrange(u_int32_t v, int soff, int ii)
{

2
usr.sbin/mld6query/Makefile
View File

@ -18,7 +18,7 @@ PROG= mld6query
MAN= mld6query.8
SRCS= mld6.c
CFLAGS+= -DIPSEC -DUSE_RFC2292BIS
CFLAGS+= -DIPSEC
WARNS?= 2

20
usr.sbin/mld6query/mld6.c
View File

@ -203,12 +203,8 @@ make_msg(int index, struct in6_addr *addr, u_int type, struct in6_addr *qaddr)
static struct iovec iov[2];
static u_char *cmsgbuf;
int cmsglen, hbhlen = 0;
#ifdef USE_RFC2292BIS
void *hbhbuf = NULL, *optp = NULL;
int currentlen;
#else
u_int8_t raopt[IP6OPT_RTALERT_LEN];
#endif
struct in6_pktinfo *pi;
struct cmsghdr *cmsgp;
u_short rtalert_code = htons(IP6OPT_RTALERT_MLD);
@ -253,7 +249,6 @@ make_msg(int index, struct in6_addr *addr, u_int type, struct in6_addr *qaddr)
src.s6_addr[2] = src.s6_addr[3] = 0;
#endif
#ifdef USE_RFC2292BIS
if ((hbhlen = inet6_opt_init(NULL, 0)) == -1)
errx(1, "inet6_opt_init(0) failed");
if ((hbhlen = inet6_opt_append(NULL, 0, hbhlen, IP6OPT_ROUTER_ALERT, 2,
@ -262,11 +257,6 @@ make_msg(int index, struct in6_addr *addr, u_int type, struct in6_addr *qaddr)
if ((hbhlen = inet6_opt_finish(NULL, 0, hbhlen)) == -1)
errx(1, "inet6_opt_finish(0) failed");
cmsglen = CMSG_SPACE(sizeof(struct in6_pktinfo)) + CMSG_SPACE(hbhlen);
#else
hbhlen = sizeof(raopt);
cmsglen = CMSG_SPACE(sizeof(struct in6_pktinfo)) +
inet6_option_space(hbhlen);
#endif
if ((cmsgbuf = malloc(cmsglen)) == NULL)
errx(1, "can't allocate enough memory for cmsg");
@ -282,7 +272,6 @@ make_msg(int index, struct in6_addr *addr, u_int type, struct in6_addr *qaddr)
memcpy(&pi->ipi6_addr, &src, sizeof(pi->ipi6_addr));
/* specifiy to insert router alert option in a hop-by-hop opt hdr. */
cmsgp = CMSG_NXTHDR(&m, cmsgp);
#ifdef USE_RFC2292BIS
cmsgp->cmsg_len = CMSG_LEN(hbhlen);
cmsgp->cmsg_level = IPPROTO_IPV6;
cmsgp->cmsg_type = IPV6_HOPOPTS;
@ -297,15 +286,6 @@ make_msg(int index, struct in6_addr *addr, u_int type, struct in6_addr *qaddr)
(void)inet6_opt_set_val(optp, 0, &rtalert_code, sizeof(rtalert_code));
if ((currentlen = inet6_opt_finish(hbhbuf, hbhlen, currentlen)) == -1)
errx(1, "inet6_opt_finish(buf) failed");
#else /* old advanced API */
if (inet6_option_init((void *)cmsgp, &cmsgp, IPV6_HOPOPTS))
errx(1, "inet6_option_init failed\n");
raopt[0] = IP6OPT_ROUTER_ALERT;
raopt[1] = IP6OPT_RTALERT_LEN - 2;
memcpy(&raopt[2], (caddr_t)&rtalert_code, sizeof(u_short));
if (inet6_option_append(cmsgp, raopt, 4, 0))
errx(1, "inet6_option_append failed\n");
#endif
}
void

2
usr.sbin/traceroute6/Makefile
View File

@ -22,7 +22,7 @@ SRCS= as.c traceroute6.c
BINOWN= root
BINMODE= 4555
CFLAGS+= -DIPSEC -DUSE_RFC2292BIS -DHAVE_POLL
CFLAGS+= -DIPSEC -DHAVE_POLL
CFLAGS+= -I${.CURDIR} -I${TRACEROUTE_DISTDIR} -I.
WARNS?= 3

21
usr.sbin/traceroute6/traceroute6.c
View File

@ -331,9 +331,7 @@ u_long datalen = 20; /* How much data */
#define ICMP6ECHOLEN 8
/* XXX: 2064 = 127(max hops in type 0 rthdr) * sizeof(ip6_hdr) + 16(margin) */
char rtbuf[2064];
#ifdef USE_RFC2292BIS
struct ip6_rthdr *rth;
#endif
struct cmsghdr *cmsg;
char *source = NULL;
@ -435,7 +433,6 @@ main(int argc, char *argv[])
"traceroute6: unknown host %s\n", optarg);
exit(1);
}
#ifdef USE_RFC2292BIS
if (rth == NULL) {
/*
* XXX: We can't detect the number of
@ -456,12 +453,6 @@ main(int argc, char *argv[])
optarg);
exit(1);
}
#else /* old advanced API */
if (cmsg == NULL)
cmsg = inet6_rthdr_init(rtbuf, IPV6_RTHDR_TYPE_0);
inet6_rthdr_add(cmsg, (struct in6_addr *)hp->h_addr,
IPV6_RTHDR_LOOSE);
#endif
freehostent(hp);
break;
case 'I':
@ -763,7 +754,6 @@ main(int argc, char *argv[])
if (options & SO_DONTROUTE)
(void) setsockopt(sndsock, SOL_SOCKET, SO_DONTROUTE,
(char *)&on, sizeof(on));
#ifdef USE_RFC2292BIS
if (rth) {/* XXX: there is no library to finalize the header... */
rth->ip6r_len = rth->ip6r_segleft * 2;
if (setsockopt(sndsock, IPPROTO_IPV6, IPV6_RTHDR,
@ -773,17 +763,6 @@ main(int argc, char *argv[])
exit(1);
}
}
#else /* old advanced API */
if (cmsg != NULL) {
inet6_rthdr_lasthop(cmsg, IPV6_RTHDR_LOOSE);
if (setsockopt(sndsock, IPPROTO_IPV6, IPV6_PKTOPTIONS,
rtbuf, cmsg->cmsg_len) < 0) {
fprintf(stderr, "setsockopt(IPV6_PKTOPTIONS): %s\n",
strerror(errno));
exit(1);
}
}
#endif /* USE_RFC2292BIS */
#ifdef IPSEC
#ifdef IPSEC_POLICY_IPSEC
/*