Author: tuexen
Date: Sun Jul 1 08:18:40 2012
New Revision: 237904
URL: http://svn.freebsd.org/changeset/base/237904
Log:
MFC r236515:
Use an existing function to get the source address.
Modified:
stable/9/sys/netinet/sctp_asconf.c
Directory Properties:
stable/9/sys/ (props changed)
Modified: stable/9/sys/netinet/sctp_asconf.c
==============================================================================
--- stable/9/sys/netinet/sctp_asconf.c Sun Jul 1 08:13:20 2012
(r237903)
+++ stable/9/sys/netinet/sctp_asconf.c Sun Jul 1 08:18:40 2012
(r237904)
@@ -856,70 +856,20 @@ send_reply:
* this could happen if the source address was just newly
* added
*/
- struct ip *iph;
- struct sctphdr *sh;
- struct sockaddr_storage from_store;
- struct sockaddr *from = (struct sockaddr *)&from_store;
+ struct sockaddr_storage addr;
+ struct sockaddr *src = (struct sockaddr *)&addr;
SCTPDBG(SCTP_DEBUG_ASCONF1, "handle_asconf: looking up net for
IP source address\n");
- /* pullup already done, IP options already stripped */
- iph = mtod(m, struct ip *);
- switch (iph->ip_v) {
-#ifdef INET
- case IPVERSION:
- {
- struct sockaddr_in *from4;
-
- sh = (struct sctphdr *)((caddr_t)iph +
sizeof(*iph));
- from4 = (struct sockaddr_in *)&from_store;
- bzero(from4, sizeof(*from4));
- from4->sin_family = AF_INET;
- from4->sin_len = sizeof(struct sockaddr_in);
- from4->sin_addr.s_addr = iph->ip_src.s_addr;
- from4->sin_port = sh->src_port;
- break;
- }
-#endif
-#ifdef INET6
- case IPV6_VERSION >> 4:
- {
- struct ip6_hdr *ip6;
- struct sockaddr_in6 *from6;
-
- ip6 = mtod(m, struct ip6_hdr *);
- sh = (struct sctphdr *)((caddr_t)ip6 +
sizeof(*ip6));
- from6 = (struct sockaddr_in6 *)&from_store;
- bzero(from6, sizeof(*from6));
- from6->sin6_family = AF_INET6;
- from6->sin6_len = sizeof(struct sockaddr_in6);
- from6->sin6_addr = ip6->ip6_src;
- from6->sin6_port = sh->src_port;
- /*
- * Get the scopes in properly to the sin6
- * addr's
- */
- /* we probably don't need these operations */
- (void)sa6_recoverscope(from6);
- sa6_embedscope(from6,
- MODULE_GLOBAL(ip6_use_defzone));
-
- break;
- }
-#endif
- default:
- /* unknown address type */
- from = NULL;
- }
- if (from != NULL) {
- SCTPDBG(SCTP_DEBUG_ASCONF1, "Looking for IP source: ");
- SCTPDBG_ADDR(SCTP_DEBUG_ASCONF1, from);
- /* look up the from address */
- stcb->asoc.last_control_chunk_from = sctp_findnet(stcb,
from);
+ sctp_asconf_get_source_ip(m, src);
+ SCTPDBG(SCTP_DEBUG_ASCONF1, "Looking for IP source: ");
+ SCTPDBG_ADDR(SCTP_DEBUG_ASCONF1, src);
+ /* look up the from address */
+ stcb->asoc.last_control_chunk_from = sctp_findnet(stcb, src);
#ifdef SCTP_DEBUG
- if (stcb->asoc.last_control_chunk_from == NULL)
- SCTPDBG(SCTP_DEBUG_ASCONF1, "handle_asconf: IP
source address not found?!\n");
-#endif
+ if (stcb->asoc.last_control_chunk_from == NULL) {
+ SCTPDBG(SCTP_DEBUG_ASCONF1, "handle_asconf: IP source
address not found?!\n");
}
+#endif
}
}
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