diff options
Diffstat (limited to 'winsup/cygwin/sec_acl.cc')
| -rw-r--r-- | winsup/cygwin/sec_acl.cc | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/winsup/cygwin/sec_acl.cc b/winsup/cygwin/sec_acl.cc index f632410ee..5b1705e86 100644 --- a/winsup/cygwin/sec_acl.cc +++ b/winsup/cygwin/sec_acl.cc @@ -811,6 +811,12 @@ get_posix_access (PSECURITY_DESCRIPTOR psd, if (owner_eq_group && !saw_group_obj) { type = GROUP_OBJ; + /* Gid and uid are not necessarily the same even if the + SID is the same: /etc/group is in use and the user got + added to /etc/group using another gid than the uid. + This is a border case but it happened and resetting id + to gid is not much of a burden. */ + id = gid; if (ace->Header.AceType == ACCESS_ALLOWED_ACE_TYPE) saw_group_obj = true; } @@ -871,8 +877,12 @@ get_posix_access (PSECURITY_DESCRIPTOR psd, if (saw_def_user_obj) { if (owner_eq_group && !saw_def_group_obj && attr & S_ISGID) - type = GROUP_OBJ; /* This needs post-processing in the - following GROUP_OBJ handling... */ + { + /* This needs post-processing in the following GROUP_OBJ + handling... Set id to ILLEGAL_GID to play it safe. */ + type = GROUP_OBJ; + id = ILLEGAL_GID; + } else type = USER; } |