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sctp_pcb.c (197173) sctp_pcb.c (197288)
1/*-
2 * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 *
7 * a) Redistributions of source code must retain the above copyright notice,
8 * this list of conditions and the following disclaimer.

--- 17 unchanged lines hidden (view full) ---

26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
28 * THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31/* $KAME: sctp_pcb.c,v 1.38 2005/03/06 16:04:18 itojun Exp $ */
32
33#include <sys/cdefs.h>
1/*-
2 * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 *
7 * a) Redistributions of source code must retain the above copyright notice,
8 * this list of conditions and the following disclaimer.

--- 17 unchanged lines hidden (view full) ---

26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
28 * THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31/* $KAME: sctp_pcb.c,v 1.38 2005/03/06 16:04:18 itojun Exp $ */
32
33#include <sys/cdefs.h>
34__FBSDID("$FreeBSD: head/sys/netinet/sctp_pcb.c 197173 2009-09-13 17:45:31Z rrs $");
34__FBSDID("$FreeBSD: head/sys/netinet/sctp_pcb.c 197288 2009-09-17 15:11:12Z rrs $");
35
36#include <netinet/sctp_os.h>
37#include <sys/proc.h>
38#include <netinet/sctp_var.h>
39#include <netinet/sctp_sysctl.h>
40#include <netinet/sctp_pcb.h>
41#include <netinet/sctputil.h>
42#include <netinet/sctp.h>
43#include <netinet/sctp_header.h>
44#include <netinet/sctp_asconf.h>
45#include <netinet/sctp_output.h>
46#include <netinet/sctp_timer.h>
47#include <netinet/sctp_bsd_addr.h>
48#include <netinet/udp.h>
49
50
35
36#include <netinet/sctp_os.h>
37#include <sys/proc.h>
38#include <netinet/sctp_var.h>
39#include <netinet/sctp_sysctl.h>
40#include <netinet/sctp_pcb.h>
41#include <netinet/sctputil.h>
42#include <netinet/sctp.h>
43#include <netinet/sctp_header.h>
44#include <netinet/sctp_asconf.h>
45#include <netinet/sctp_output.h>
46#include <netinet/sctp_timer.h>
47#include <netinet/sctp_bsd_addr.h>
48#include <netinet/udp.h>
49
50
51struct sctp_base_info system_base_info;
51VNET_DEFINE(struct sctp_base_info, system_base_info);
52
53/* FIX: we don't handle multiple link local scopes */
54/* "scopeless" replacement IN6_ARE_ADDR_EQUAL */
55#ifdef INET6
56int
57SCTP6_ARE_ADDR_EQUAL(struct sockaddr_in6 *a, struct sockaddr_in6 *b)
58{
59 struct sockaddr_in6 tmp_a, tmp_b;
60
61 memcpy(&tmp_a, a, sizeof(struct sockaddr_in6));
52
53/* FIX: we don't handle multiple link local scopes */
54/* "scopeless" replacement IN6_ARE_ADDR_EQUAL */
55#ifdef INET6
56int
57SCTP6_ARE_ADDR_EQUAL(struct sockaddr_in6 *a, struct sockaddr_in6 *b)
58{
59 struct sockaddr_in6 tmp_a, tmp_b;
60
61 memcpy(&tmp_a, a, sizeof(struct sockaddr_in6));
62 if (sa6_embedscope(&tmp_a, MODULE_GLOBAL(MOD_INET6, ip6_use_defzone)) != 0) {
62 if (sa6_embedscope(&tmp_a, MODULE_GLOBAL(ip6_use_defzone)) != 0) {
63 return 0;
64 }
65 memcpy(&tmp_b, b, sizeof(struct sockaddr_in6));
63 return 0;
64 }
65 memcpy(&tmp_b, b, sizeof(struct sockaddr_in6));
66 if (sa6_embedscope(&tmp_b, MODULE_GLOBAL(MOD_INET6, ip6_use_defzone)) != 0) {
66 if (sa6_embedscope(&tmp_b, MODULE_GLOBAL(ip6_use_defzone)) != 0) {
67 return 0;
68 }
69 return (IN6_ARE_ADDR_EQUAL(&tmp_a.sin6_addr, &tmp_b.sin6_addr));
70}
71
72#endif
73
74void

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2003 bzero(from6, sizeof(*from6));
2004 from6->sin6_family = AF_INET6;
2005 from6->sin6_len = sizeof(struct sockaddr_in6);
2006 from6->sin6_addr = ip6->ip6_src;
2007 from6->sin6_port = sh->src_port;
2008 /* Get the scopes in properly to the sin6 addr's */
2009 /* we probably don't need these operations */
2010 (void)sa6_recoverscope(from6);
67 return 0;
68 }
69 return (IN6_ARE_ADDR_EQUAL(&tmp_a.sin6_addr, &tmp_b.sin6_addr));
70}
71
72#endif
73
74void

--- 1928 unchanged lines hidden (view full) ---

2003 bzero(from6, sizeof(*from6));
2004 from6->sin6_family = AF_INET6;
2005 from6->sin6_len = sizeof(struct sockaddr_in6);
2006 from6->sin6_addr = ip6->ip6_src;
2007 from6->sin6_port = sh->src_port;
2008 /* Get the scopes in properly to the sin6 addr's */
2009 /* we probably don't need these operations */
2010 (void)sa6_recoverscope(from6);
2011 sa6_embedscope(from6, MODULE_GLOBAL(MOD_INET6, ip6_use_defzone));
2011 sa6_embedscope(from6, MODULE_GLOBAL(ip6_use_defzone));
2012 break;
2013 }
2014#endif
2015 default:
2016 /* Currently not supported. */
2017 return (NULL);
2018 }
2019

--- 24 unchanged lines hidden (view full) ---

2044 bzero(to6, sizeof(*to6));
2045 to6->sin6_family = AF_INET6;
2046 to6->sin6_len = sizeof(struct sockaddr_in6);
2047 to6->sin6_addr = ip6->ip6_dst;
2048 to6->sin6_port = sh->dest_port;
2049 /* Get the scopes in properly to the sin6 addr's */
2050 /* we probably don't need these operations */
2051 (void)sa6_recoverscope(to6);
2012 break;
2013 }
2014#endif
2015 default:
2016 /* Currently not supported. */
2017 return (NULL);
2018 }
2019

--- 24 unchanged lines hidden (view full) ---

2044 bzero(to6, sizeof(*to6));
2045 to6->sin6_family = AF_INET6;
2046 to6->sin6_len = sizeof(struct sockaddr_in6);
2047 to6->sin6_addr = ip6->ip6_dst;
2048 to6->sin6_port = sh->dest_port;
2049 /* Get the scopes in properly to the sin6 addr's */
2050 /* we probably don't need these operations */
2051 (void)sa6_recoverscope(to6);
2052 sa6_embedscope(to6, MODULE_GLOBAL(MOD_INET6, ip6_use_defzone));
2052 sa6_embedscope(to6, MODULE_GLOBAL(ip6_use_defzone));
2053 break;
2054 }
2055#endif
2056 default:
2057 /* TSNH */
2058 break;
2059 }
2060 if (sh->v_tag) {

--- 250 unchanged lines hidden (view full) ---

2311 }
2312 if (error != 0) {
2313 SCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_ep), inp);
2314 SCTP_INP_INFO_WUNLOCK();
2315 return error;
2316 }
2317#endif /* IPSEC */
2318 SCTP_INCR_EP_COUNT();
2053 break;
2054 }
2055#endif
2056 default:
2057 /* TSNH */
2058 break;
2059 }
2060 if (sh->v_tag) {

--- 250 unchanged lines hidden (view full) ---

2311 }
2312 if (error != 0) {
2313 SCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_ep), inp);
2314 SCTP_INP_INFO_WUNLOCK();
2315 return error;
2316 }
2317#endif /* IPSEC */
2318 SCTP_INCR_EP_COUNT();
2319 inp->ip_inp.inp.inp_ip_ttl = MODULE_GLOBAL(MOD_INET, ip_defttl);
2319 inp->ip_inp.inp.inp_ip_ttl = MODULE_GLOBAL(ip_defttl);
2320 SCTP_INP_INFO_WUNLOCK();
2321
2322 so->so_pcb = (caddr_t)inp;
2323
2324 if ((SCTP_SO_TYPE(so) == SOCK_DGRAM) ||
2325 (SCTP_SO_TYPE(so) == SOCK_SEQPACKET)) {
2326 /* UDP style socket */
2327 inp->sctp_flags = (SCTP_PCB_FLAGS_UDPTYPE |

--- 355 unchanged lines hidden (view full) ---

2683 if (p && (error = prison_local_ip6(p->td_ucred, &sin6->sin6_addr,
2684 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) {
2685 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, error);
2686 return (error);
2687 }
2688 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
2689 bindall = 0;
2690 /* KAME hack: embed scopeid */
2320 SCTP_INP_INFO_WUNLOCK();
2321
2322 so->so_pcb = (caddr_t)inp;
2323
2324 if ((SCTP_SO_TYPE(so) == SOCK_DGRAM) ||
2325 (SCTP_SO_TYPE(so) == SOCK_SEQPACKET)) {
2326 /* UDP style socket */
2327 inp->sctp_flags = (SCTP_PCB_FLAGS_UDPTYPE |

--- 355 unchanged lines hidden (view full) ---

2683 if (p && (error = prison_local_ip6(p->td_ucred, &sin6->sin6_addr,
2684 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) {
2685 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, error);
2686 return (error);
2687 }
2688 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
2689 bindall = 0;
2690 /* KAME hack: embed scopeid */
2691 if (sa6_embedscope(sin6, MODULE_GLOBAL(MOD_INET6, ip6_use_defzone)) != 0) {
2691 if (sa6_embedscope(sin6, MODULE_GLOBAL(ip6_use_defzone)) != 0) {
2692 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);
2693 return (EINVAL);
2694 }
2695 }
2696 /* this must be cleared for ifa_ifwithaddr() */
2697 sin6->sin6_scope_id = 0;
2698 break;
2699 }

--- 109 unchanged lines hidden (view full) ---

2809 }
2810 }
2811 } else {
2812 uint16_t first, last, candidate;
2813 uint16_t count;
2814 int done;
2815
2816 if (ip_inp->inp_flags & INP_HIGHPORT) {
2692 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);
2693 return (EINVAL);
2694 }
2695 }
2696 /* this must be cleared for ifa_ifwithaddr() */
2697 sin6->sin6_scope_id = 0;
2698 break;
2699 }

--- 109 unchanged lines hidden (view full) ---

2809 }
2810 }
2811 } else {
2812 uint16_t first, last, candidate;
2813 uint16_t count;
2814 int done;
2815
2816 if (ip_inp->inp_flags & INP_HIGHPORT) {
2817 first = MODULE_GLOBAL(MOD_INET, ipport_hifirstauto);
2818 last = MODULE_GLOBAL(MOD_INET, ipport_hilastauto);
2817 first = MODULE_GLOBAL(ipport_hifirstauto);
2818 last = MODULE_GLOBAL(ipport_hilastauto);
2819 } else if (ip_inp->inp_flags & INP_LOWPORT) {
2820 if (p && (error =
2821 priv_check(p, PRIV_NETINET_RESERVEDPORT)
2822 )) {
2823 SCTP_INP_DECR_REF(inp);
2824 SCTP_INP_WUNLOCK(inp);
2825 SCTP_INP_INFO_WUNLOCK();
2826 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, error);
2827 return (error);
2828 }
2819 } else if (ip_inp->inp_flags & INP_LOWPORT) {
2820 if (p && (error =
2821 priv_check(p, PRIV_NETINET_RESERVEDPORT)
2822 )) {
2823 SCTP_INP_DECR_REF(inp);
2824 SCTP_INP_WUNLOCK(inp);
2825 SCTP_INP_INFO_WUNLOCK();
2826 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, error);
2827 return (error);
2828 }
2829 first = MODULE_GLOBAL(MOD_INET, ipport_lowfirstauto);
2830 last = MODULE_GLOBAL(MOD_INET, ipport_lowlastauto);
2829 first = MODULE_GLOBAL(ipport_lowfirstauto);
2830 last = MODULE_GLOBAL(ipport_lowlastauto);
2831 } else {
2831 } else {
2832 first = MODULE_GLOBAL(MOD_INET, ipport_firstauto);
2833 last = MODULE_GLOBAL(MOD_INET, ipport_lastauto);
2832 first = MODULE_GLOBAL(ipport_firstauto);
2833 last = MODULE_GLOBAL(ipport_lastauto);
2834 }
2835 if (first > last) {
2836 uint16_t temp;
2837
2838 temp = first;
2839 first = last;
2840 last = temp;
2841 }

--- 909 unchanged lines hidden (view full) ---

3751
3752 /* Now generate a route for this guy */
3753#ifdef INET6
3754 /* KAME hack: embed scopeid */
3755 if (newaddr->sa_family == AF_INET6) {
3756 struct sockaddr_in6 *sin6;
3757
3758 sin6 = (struct sockaddr_in6 *)&net->ro._l_addr;
2834 }
2835 if (first > last) {
2836 uint16_t temp;
2837
2838 temp = first;
2839 first = last;
2840 last = temp;
2841 }

--- 909 unchanged lines hidden (view full) ---

3751
3752 /* Now generate a route for this guy */
3753#ifdef INET6
3754 /* KAME hack: embed scopeid */
3755 if (newaddr->sa_family == AF_INET6) {
3756 struct sockaddr_in6 *sin6;
3757
3758 sin6 = (struct sockaddr_in6 *)&net->ro._l_addr;
3759 (void)sa6_embedscope(sin6, MODULE_GLOBAL(MOD_INET6, ip6_use_defzone));
3759 (void)sa6_embedscope(sin6, MODULE_GLOBAL(ip6_use_defzone));
3760 sin6->sin6_scope_id = 0;
3761 }
3762#endif
3763 SCTP_RTALLOC((sctp_route_t *) & net->ro, stcb->asoc.vrf_id);
3764
3765 if (SCTP_ROUTE_HAS_VALID_IFN(&net->ro)) {
3766 /* Get source address */
3767 net->ro._s_addr = sctp_source_address_selection(stcb->sctp_ep,

--- 2923 unchanged lines hidden --- 		3760 sin6->sin6_scope_id = 0;
3761 }
3762#endif
3763 SCTP_RTALLOC((sctp_route_t *) & net->ro, stcb->asoc.vrf_id);
3764
3765 if (SCTP_ROUTE_HAS_VALID_IFN(&net->ro)) {
3766 /* Get source address */
3767 net->ro._s_addr = sctp_source_address_selection(stcb->sctp_ep,

--- 2923 unchanged lines hidden ---