diff options
Diffstat (limited to 'sys/netinet/sctp_output.c')
| -rw-r--r-- | sys/netinet/sctp_output.c | 89 |
1 files changed, 58 insertions, 31 deletions
diff --git a/sys/netinet/sctp_output.c b/sys/netinet/sctp_output.c index 95ac97c..21e45de 100644 --- a/sys/netinet/sctp_output.c +++ b/sys/netinet/sctp_output.c @@ -5307,6 +5307,7 @@ sctp_are_there_new_addresses(struct sctp_association *asoc, uint16_t ptype, plen; uint8_t fnd; struct sctp_nets *net; + int check_src; #ifdef INET struct sockaddr_in sin4, *sa4; @@ -5328,39 +5329,61 @@ sctp_are_there_new_addresses(struct sctp_association *asoc, sin6.sin6_len = sizeof(sin6); #endif /* First what about the src address of the pkt ? */ - fnd = 0; - TAILQ_FOREACH(net, &asoc->nets, sctp_next) { - sa = (struct sockaddr *)&net->ro._l_addr; - if (sa->sa_family == src->sa_family) { + check_src = 0; + switch (src->sa_family) { #ifdef INET - if (sa->sa_family == AF_INET) { - struct sockaddr_in *src4; + case AF_INET: + if (asoc->scope.ipv4_addr_legal) { + check_src = 1; + } + break; +#endif +#ifdef INET6 + case AF_INET6: + if (asoc->scope.ipv6_addr_legal) { + check_src = 1; + } + break; +#endif + default: + /* TSNH */ + break; + } + if (check_src) { + fnd = 0; + TAILQ_FOREACH(net, &asoc->nets, sctp_next) { + sa = (struct sockaddr *)&net->ro._l_addr; + if (sa->sa_family == src->sa_family) { +#ifdef INET + if (sa->sa_family == AF_INET) { + struct sockaddr_in *src4; - sa4 = (struct sockaddr_in *)sa; - src4 = (struct sockaddr_in *)src; - if (sa4->sin_addr.s_addr == src4->sin_addr.s_addr) { - fnd = 1; - break; + sa4 = (struct sockaddr_in *)sa; + src4 = (struct sockaddr_in *)src; + if (sa4->sin_addr.s_addr == src4->sin_addr.s_addr) { + fnd = 1; + break; + } } - } #endif #ifdef INET6 - if (sa->sa_family == AF_INET6) { - struct sockaddr_in6 *src6; + if (sa->sa_family == AF_INET6) { + struct sockaddr_in6 *src6; - sa6 = (struct sockaddr_in6 *)sa; - src6 = (struct sockaddr_in6 *)src; - if (SCTP6_ARE_ADDR_EQUAL(sa6, src6)) { - fnd = 1; - break; + sa6 = (struct sockaddr_in6 *)sa; + src6 = (struct sockaddr_in6 *)src; + if (SCTP6_ARE_ADDR_EQUAL(sa6, src6)) { + fnd = 1; + break; + } } - } #endif + } + } + if (fnd == 0) { + /* New address added! no need to look futher. */ + return (1); } - } - if (fnd == 0) { - /* New address added! no need to look futher. */ - return (1); } /* Ok so far lets munge through the rest of the packet */ offset += sizeof(struct sctp_init_chunk); @@ -5381,9 +5404,11 @@ sctp_are_there_new_addresses(struct sctp_association *asoc, phdr == NULL) { return (1); } - p4 = (struct sctp_ipv4addr_param *)phdr; - sin4.sin_addr.s_addr = p4->addr; - sa_touse = (struct sockaddr *)&sin4; + if (asoc->scope.ipv4_addr_legal) { + p4 = (struct sctp_ipv4addr_param *)phdr; + sin4.sin_addr.s_addr = p4->addr; + sa_touse = (struct sockaddr *)&sin4; + } break; } #endif @@ -5398,10 +5423,12 @@ sctp_are_there_new_addresses(struct sctp_association *asoc, phdr == NULL) { return (1); } - p6 = (struct sctp_ipv6addr_param *)phdr; - memcpy((caddr_t)&sin6.sin6_addr, p6->addr, - sizeof(p6->addr)); - sa_touse = (struct sockaddr *)&sin6; + if (asoc->scope.ipv6_addr_legal) { + p6 = (struct sctp_ipv6addr_param *)phdr; + memcpy((caddr_t)&sin6.sin6_addr, p6->addr, + sizeof(p6->addr)); + sa_touse = (struct sockaddr *)&sin6; + } break; } #endif |
