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Don't perform RFC2307 account mapping without account DB 

* fhandler_disk_file.cc (fhandler_base::fstat_by_nfs_ea): Only try
        to map user and group info per RFC2307 if account info is fetched
        from Windows account DB.
        (convert_samba_sd): Ditto.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
This commit is contained in:
Corinna Vinschen 2015-08-14 21:41:37 +02:00
parent c19f1b9f8e
commit 5de7f2e6c3
4 changed files with 21 additions and 8 deletions
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7
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,10 @@
2015-08-14 Corinna Vinschen <corinna@vinschen.de>
* fhandler_disk_file.cc (fhandler_base::fstat_by_nfs_ea): Only try
to map user and group info per RFC2307 if account info is fetched
from Windows account DB.
(convert_samba_sd): Ditto.
2015-08-14 Corinna Vinschen <corinna@vinschen.de>
* security,cc (get_attribute_from_acl): Merge all group perms into

4
winsup/cygwin/fhandler_disk_file.cc
View File

@ -349,7 +349,7 @@ fhandler_base::fstat_by_nfs_ea (struct stat *buf)
add it to the mapping cache. */
buf->st_uid = cygheap->ugid_cache.get_uid (nfs_attr->uid);
buf->st_gid = cygheap->ugid_cache.get_gid (nfs_attr->gid);
if (buf->st_uid == ILLEGAL_UID)
if (buf->st_uid == ILLEGAL_UID && cygheap->pg.nss_pwd_db ())
{
uid_t map_uid = ILLEGAL_UID;
@ -361,7 +361,7 @@ fhandler_base::fstat_by_nfs_ea (struct stat *buf)
cygheap->ugid_cache.add_uid (nfs_attr->uid, map_uid);
buf->st_uid = map_uid;
}
if (buf->st_gid == ILLEGAL_GID)
if (buf->st_gid == ILLEGAL_GID && cygheap->pg.nss_grp_db ())
{
gid_t map_gid = ILLEGAL_GID;

4
winsup/cygwin/release/2.2.1
View File

@ -15,3 +15,7 @@ Bug Fixes
- Fix output of /proc/cpuinfo in terms of cpu topology and cache size for
modern CPUs and modern Windows OSes supporting more than 64 logical CPUs.
- Don't try to perform RFC2307 owner/group mapping on Samba/NFS if account
info is only fetched from local passwd/group files.
Addresses: https://cygwin.com/ml/cygwin/2015-07/msg00270.html

10
winsup/cygwin/security.cc
View File

@ -1122,14 +1122,14 @@ convert_samba_sd (security_descriptor &sd_ret)
return;
group = sid;
if (sid_id_auth (owner) == 22)
if (sid_id_auth (owner) == 22 && cygheap->pg.nss_pwd_db ())
{
struct passwd *pwd;
uid_t uid = owner.get_uid (&cldap);
if (uid < UNIX_POSIX_OFFSET && (pwd = internal_getpwuid (uid)))
owner.getfrompw (pwd);
}
if (sid_id_auth (group) == 22)
if (sid_id_auth (group) == 22 && cygheap->pg.nss_grp_db ())
{
struct group *grp;
gid_t gid = group.get_gid (&cldap);
@ -1150,14 +1150,16 @@ convert_samba_sd (security_descriptor &sd_ret)
cygsid ace_sid ((PSID) &ace->SidStart);
if (sid_id_auth (ace_sid) == 22)
{
if (sid_sub_auth (ace_sid, 0) == 1) /* user */
if (sid_sub_auth (ace_sid, 0) == 1 /* user */
&& cygheap->pg.nss_pwd_db ())
{
struct passwd *pwd;
uid_t uid = ace_sid.get_uid (&cldap);
if (uid < UNIX_POSIX_OFFSET && (pwd = internal_getpwuid (uid)))
ace_sid.getfrompw (pwd);
}
else /* group */
else if (sid_sub_auth (ace_sid, 0) == 1 /* group */
&& cygheap->pg.nss_grp_db ())
{
struct group *grp;
gid_t gid = ace_sid.get_gid (&cldap);