Date: Sun, 3 Aug 2014 02:24:52 +0000 (UTC) From: Marcel Moolenaar <marcel@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org Subject: svn commit: r269454 - stable/10/lib/libc/net Message-ID: <201408030224.s732OqBA026782@svn.freebsd.org>
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Author: marcel Date: Sun Aug 3 02:24:52 2014 New Revision: 269454 URL: http://svnweb.freebsd.org/changeset/base/269454 Log: MFC 264162: Accept RFC 2292 option values so that RFC 2292 compliant programs that are unaware of RFC 3542 can construct control messages. Obtained from: Juniper Networks, Inc. Modified: stable/10/lib/libc/net/ip6opt.c Directory Properties: stable/10/ (props changed) Modified: stable/10/lib/libc/net/ip6opt.c ============================================================================== --- stable/10/lib/libc/net/ip6opt.c Sun Aug 3 01:51:48 2014 (r269453) +++ stable/10/lib/libc/net/ip6opt.c Sun Aug 3 02:24:52 2014 (r269454) @@ -45,6 +45,18 @@ __FBSDID("$FreeBSD$"); static int ip6optlen(u_int8_t *opt, u_int8_t *lim); static void inet6_insert_padopt(u_char *p, int len); +#ifndef IPV6_2292HOPOPTS +#define IPV6_2292HOPOPTS 22 +#endif +#ifndef IPV6_2292DSTOPTS +#define IPV6_2292DSTOPTS 23 +#endif + +#define is_ipv6_hopopts(x) \ + ((x) == IPV6_HOPOPTS || (x) == IPV6_2292HOPOPTS) +#define is_ipv6_dstopts(x) \ + ((x) == IPV6_DSTOPTS || (x) == IPV6_2292DSTOPTS) + /* * This function returns the number of bytes required to hold an option * when it is stored as ancillary data, including the cmsghdr structure @@ -72,9 +84,9 @@ inet6_option_init(void *bp, struct cmsgh struct cmsghdr *ch = (struct cmsghdr *)bp; /* argument validation */ - if (type != IPV6_HOPOPTS && type != IPV6_DSTOPTS) + if (!is_ipv6_hopopts(type) && !is_ipv6_dstopts(type)) return(-1); - + ch->cmsg_level = IPPROTO_IPV6; ch->cmsg_type = type; ch->cmsg_len = CMSG_LEN(0); @@ -234,8 +246,8 @@ inet6_option_next(const struct cmsghdr * u_int8_t *lim; if (cmsg->cmsg_level != IPPROTO_IPV6 || - (cmsg->cmsg_type != IPV6_HOPOPTS && - cmsg->cmsg_type != IPV6_DSTOPTS)) + (!is_ipv6_hopopts(cmsg->cmsg_type) && + !is_ipv6_dstopts(cmsg->cmsg_type))) return(-1); /* message length validation */ @@ -290,8 +302,8 @@ inet6_option_find(const struct cmsghdr * u_int8_t *optp, *lim; if (cmsg->cmsg_level != IPPROTO_IPV6 || - (cmsg->cmsg_type != IPV6_HOPOPTS && - cmsg->cmsg_type != IPV6_DSTOPTS)) + (!is_ipv6_hopopts(cmsg->cmsg_type) && + !is_ipv6_dstopts(cmsg->cmsg_type))) return(-1); /* message length validation */
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