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Only request WRITE_DAC rights when writing an ACL 

* fhandler_disk_file.cc (fhandler_disk_file::fchmod): Only request
        query_write_dac rather than query_write_control access when writing
        an ACL.  Fix a comment.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
This commit is contained in:
Corinna Vinschen 2015-12-25 21:40:51 +01:00
parent ed3c07215c
commit e983bd6aa4
2 changed files with 8 additions and 2 deletions
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6
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,9 @@
2015-12-25 Corinna Vinschen <corinna@vinschen.de>
* fhandler_disk_file.cc (fhandler_disk_file::fchmod): Only request
query_write_dac rather than query_write_control access when writing
an ACL. Fix a comment.
2015-12-24 Corinna Vinschen <corinna@vinschen.de>
* sec_acl.cc (__aclcalcmask): New function to recalculate ACL masks.

4
winsup/cygwin/fhandler_disk_file.cc
View File

@ -742,7 +742,7 @@ fhandler_disk_file::fchmod (mode_t mode)
query_open (query_write_dac);
if (!(oret = open (O_BINARY, 0)))
{
/* Need WRITE_DAC|WRITE_OWNER to write ACLs. */
/* Need WRITE_DAC to write ACLs. */
if (pc.has_acls ())
return -1;
/* Otherwise FILE_WRITE_ATTRIBUTES is sufficient. */
@ -1021,7 +1021,7 @@ cant_access_acl:
if ((cmd == SETACL && !get_handle ())
|| (cmd != SETACL && !get_stat_handle ()))
{
query_open (cmd == SETACL ? query_write_control : query_read_control);
query_open (cmd == SETACL ? query_write_dac : query_read_control);
if (!(oret = open (O_BINARY, 0)))
{
if (cmd == GETACL || cmd == GETACLCNT)