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Use EAFNOSUPPORT when necessary

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Signed-off-by: Adrien Gallouët <adrien@gallouet.fr>
This commit is contained in:
Adrien Gallouët
2019-12-28 22:05:27 +00:00
parent 0a2b23bb88
commit d5322e187d
1 changed files with 8 additions and 8 deletions
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16
mud.c
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@@ -401,10 +401,10 @@ mud_send_path(struct mud *mud, struct mud_path *path, uint64_t now,
CMSG_SPACE(sizeof(int));
struct cmsghdr *cmsg = CMSG_FIRSTHDR(&msg);
cmsg->cmsg_level = IPPROTO_IP;
cmsg->cmsg_type = MUD_PKTINFO;
cmsg->cmsg_len = CMSG_LEN(MUD_PKTINFO_SIZE);
memcpy(MUD_PKTINFO_DST(CMSG_DATA(cmsg)),
&((struct sockaddr_in *)&path->local_addr)->sin_addr,
sizeof(struct in_addr));
@@ -415,20 +415,18 @@ mud_send_path(struct mud *mud, struct mud_path *path, uint64_t now,
cmsg->cmsg_level = IPPROTO_IP;
cmsg->cmsg_type = IP_TOS;
cmsg->cmsg_len = CMSG_LEN(sizeof(int));
memcpy(CMSG_DATA(cmsg), &mud->tc, sizeof(int));
}
if (path->addr.ss_family == AF_INET6) {
} else if (path->addr.ss_family == AF_INET6) {
msg.msg_namelen = sizeof(struct sockaddr_in6);
msg.msg_controllen = CMSG_SPACE(sizeof(struct in6_pktinfo)) +
CMSG_SPACE(sizeof(int));
struct cmsghdr *cmsg = CMSG_FIRSTHDR(&msg);
cmsg->cmsg_level = IPPROTO_IPV6;
cmsg->cmsg_type = IPV6_PKTINFO;
cmsg->cmsg_len = CMSG_LEN(sizeof(struct in6_pktinfo));
memcpy(&((struct in6_pktinfo *)CMSG_DATA(cmsg))->ipi6_addr,
&((struct sockaddr_in6 *)&path->local_addr)->sin6_addr,
sizeof(struct in6_addr));
@@ -439,8 +437,10 @@ mud_send_path(struct mud *mud, struct mud_path *path, uint64_t now,
cmsg->cmsg_level = IPPROTO_IPV6;
cmsg->cmsg_type = IPV6_TCLASS;
cmsg->cmsg_len = CMSG_LEN(sizeof(int));
memcpy(CMSG_DATA(cmsg), &mud->tc, sizeof(int));
} else {
errno = EAFNOSUPPORT;
return -1;
}
ssize_t ret = sendmsg(mud->fd, &msg, flags);
@@ -658,7 +658,7 @@ mud_ss_from_sa(struct sockaddr_storage *ss, struct sockaddr *sa)
mud_unmapv4(ss);
break;
default:
errno = EINVAL;
errno = EAFNOSUPPORT;
return -1;
}
@@ -1097,7 +1097,7 @@ mud_send_msg(struct mud *mud, struct mud_path *path, uint64_t now,
memcpy(msg->addr.port,
&((struct sockaddr_in6 *)&path->addr)->sin6_port, 2);
} else {
errno = EINVAL;
errno = EAFNOSUPPORT;
return -1;
}