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newlib-cygwin
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Apply mask execute bit for SYSTEM and Admins group. 

* sec_acl.cc (set_posix_access): Apply mask only in terms of execute bit
        for SYSTEM and Admins group.

        * getfacl.c (main): Special-case SYSTEM and Admins group.  Add comments.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
This commit is contained in:
Corinna Vinschen 2015-04-20 12:06:05 +02:00
parent 2f5e833735
commit b364582734
4 changed files with 34 additions and 7 deletions
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5
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,8 @@
2015-04-20 Corinna Vinschen <corinna@vinschen.de>
* sec_acl.cc (set_posix_access): Apply mask only in terms of execute bit
for SYSTEM and Admins group.
2015-04-17 Corinna Vinschen <corinna@vinschen.de>
* sec_acl.cc (set_posix_access): Don't create DENY ACEs for USER and

12
winsup/cygwin/sec_acl.cc
View File

@ -329,16 +329,18 @@ set_posix_access (mode_t attr, uid_t uid, gid_t gid,
else if (aclbufp[idx].a_type & USER)
deny = (aclbufp[idx].a_perm ^ class_obj)
| (~aclbufp[idx].a_perm & other_obj);
/* Accommodate Windows: Only generate deny masks for SYSTEM
and the Administrators group in terms of the execute bit,
if they are not the primary group. */
else if (aclbufp[idx].a_type & GROUP
&& (aclsid[idx] == well_known_system_sid
|| aclsid[idx] == well_known_admins_sid))
deny = aclbufp[idx].a_perm & ~(class_obj | S_IROTH | S_IWOTH);
else
deny = (aclbufp[idx].a_perm & ~class_obj)
| (~aclbufp[idx].a_perm & other_obj);
if (!deny)
continue;
/* Accommodate Windows: Never generate deny masks for SYSTEM
and the Administrators group. */
if (aclsid[idx] == well_known_system_sid
|| aclsid[idx] == well_known_admins_sid)
continue;
access = 0;
if (deny & S_IROTH)
access |= FILE_DENY_READ;

4
winsup/utils/ChangeLog
View File

@ -1,3 +1,7 @@
2015-04-20 Corinna Vinschen <corinna@vinschen.de>
* getfacl.c (main): Special-case SYSTEM and Admins group. Add comments.
2015-04-16 Corinna Vinschen <corinna@vinschen.de>
* setfacl.c: Align more to Linux tool.

20
winsup/utils/getfacl.c
View File

@ -279,16 +279,32 @@ main (int argc, char **argv)
{
case USER:
case GROUP_OBJ:
case GROUP:
effective = acls[i].a_perm & mask;
print_effective = 1;
break;
case GROUP:
/* Special case SYSTEM and Admins group: The mask only
applies to them as far as the execute bit is concerned. */
if (acls[i].a_id == 18 || acls[i].a_id == 544)
effective = acls[i].a_perm & (mask | S_IROTH | S_IWOTH);
else
effective = acls[i].a_perm & mask;
print_effective = 1;
break;
case DEF_USER:
case DEF_GROUP_OBJ:
case DEF_GROUP:
effective = acls[i].a_perm & def_mask;
print_effective = 1;
break;
case DEF_GROUP:
/* Special case SYSTEM and Admins group: The mask only
applies to them as far as the execute bit is concerned. */
if (acls[i].a_id == 18 || acls[i].a_id == 544)
effective = acls[i].a_perm & (def_mask | S_IROTH | S_IWOTH);
else
effective = acls[i].a_perm & def_mask;
print_effective = 1;
break;
}
if (print_effective && eopt >= 0
&& (eopt > 0 || effective != acls[i].a_perm))