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Give some love to BSD

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This commit is contained in:
Adrien Gallouët
2016-06-21 07:04:37 +00:00
parent f6df78d016
commit 5289ff0f27
1 changed files with 32 additions and 4 deletions
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36
mud.c
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@@ -315,9 +315,11 @@ struct path *mud_get_path (struct mud *mud, int index, struct sockaddr *addr)
struct path *path;
for (path = mud->path; path; path = path->next) {
if ((path->index == index) &&
(!mud_cmp_addr(addr, (struct sockaddr *)&path->addr)))
break;
if (index && (path->index != index))
continue;
if (mud_cmp_addr(addr, (struct sockaddr *)&path->addr))
continue;
break;
}
return path;
@@ -341,6 +343,7 @@ void mud_set_path (struct path *path, unsigned index,
memcpy(&path->addr, addr, sizeof(struct sockaddr_in));
cmsg->cmsg_level = IPPROTO_IP;
#if defined IP_PKTINFO
cmsg->cmsg_type = IP_PKTINFO;
cmsg->cmsg_len = CMSG_LEN(sizeof(struct in_pktinfo));
@@ -352,6 +355,16 @@ void mud_set_path (struct path *path, unsigned index,
sizeof(struct in_addr));
path->ctrl.size = CMSG_SPACE(sizeof(struct in_pktinfo));
#elif defined IP_RECVDSTADDR
cmsg->cmsg_type = IP_RECVDSTADDR;
cmsg->cmsg_len = CMSG_LEN(sizeof(struct in_addr));
memcpy((struct in_addr *)CMSG_DATA(cmsg),
&((struct sockaddr_in *)ifa_addr)->sin_addr,
sizeof(struct in_addr));
path->ctrl.size = CMSG_SPACE(sizeof(struct in_addr));
#endif
}
if (addr->sa_family == AF_INET6) {
@@ -525,7 +538,11 @@ static
int mud_setup_socket (int fd, int v4, int v6)
{
if (mud_sso_int(fd, SOL_SOCKET, SO_REUSEADDR, 1) ||
#if defined IP_PKTINFO
(v4 && mud_sso_int(fd, IPPROTO_IP, IP_PKTINFO, 1)) ||
#elif defined IP_RECVDSTADDR
(v4 && mud_sso_int(fd, IPPROTO_IP, IP_RECVDSTADDR, 1)) ||
#endif
(v6 && mud_sso_int(fd, IPPROTO_IPV6, IPV6_RECVPKTINFO, 1)) ||
(v6 && mud_sso_int(fd, IPPROTO_IPV6, IPV6_V6ONLY, !v4)) ||
mud_set_nonblock(fd))
@@ -738,7 +755,12 @@ static
struct cmsghdr *mud_get_pktinfo (struct msghdr *msg, int family)
{
int cmsg_level = IPPROTO_IP;
#if defined IP_PKTINFO
int cmsg_type = IP_PKTINFO;
#elif defined IP_RECVDSTADDR
int cmsg_type = IP_RECVDSTADDR;
#endif
if (family == AF_INET6) {
cmsg_level = IPPROTO_IPV6;
@@ -934,11 +956,17 @@ int mud_pull (struct mud *mud)
unsigned index = 0;
#ifdef IP_PKTINFO
if (cmsg->cmsg_level == IPPROTO_IP) {
memcpy(&index,
&((struct in_pktinfo *)CMSG_DATA(cmsg))->ipi_ifindex,
sizeof(index));
} else {
}
#else
// TODO
#endif
if (cmsg->cmsg_level == IPPROTO_IPV6) {
memcpy(&index,
&((struct in6_pktinfo *)CMSG_DATA(cmsg))->ipi6_ifindex,
sizeof(index));