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Restore the original socket address length if it was not really AF_INET6.

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This commit is contained in:
Jung-uk Kim 2011-10-06 20:48:23 +00:00
parent 43399111a7
commit f05531a392
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=226072
1 changed files with 19 additions and 16 deletions
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35
sys/compat/linux/linux_socket.c
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@ -128,22 +128,25 @@ linux_getsockaddr(struct sockaddr **sap, const struct osockaddr *osa, int osalen
*
* Still accept addresses for which the scope id is not used.
*/
if (oldv6size && bdom == AF_INET6) {
sin6 = (struct sockaddr_in6 *)kosa;
if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr) ||
(!IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) &&
!IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr) &&
!IN6_IS_ADDR_V4COMPAT(&sin6->sin6_addr) &&
!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr) &&
!IN6_IS_ADDR_MULTICAST(&sin6->sin6_addr))) {
sin6->sin6_scope_id = 0;
} else {
log(LOG_DEBUG,
"obsolete pre-RFC2553 sockaddr_in6 rejected\n");
error = EINVAL;
goto out;
}
} else
if (oldv6size) {
if (bdom == AF_INET6) {
sin6 = (struct sockaddr_in6 *)kosa;
if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr) ||
(!IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) &&
!IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr) &&
!IN6_IS_ADDR_V4COMPAT(&sin6->sin6_addr) &&
!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr) &&
!IN6_IS_ADDR_MULTICAST(&sin6->sin6_addr))) {
sin6->sin6_scope_id = 0;
} else {
log(LOG_DEBUG,
"obsolete pre-RFC2553 sockaddr_in6 rejected\n");
error = EINVAL;
goto out;
}
} else
alloclen -= sizeof(u_int32_t);
}
#endif
if (bdom == AF_INET) {
alloclen = sizeof(struct sockaddr_in);