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authorJeremy Allison <jra@samba.org>2003-11-25 23:25:15 +0000
committerJeremy Allison <jra@samba.org>2003-11-25 23:25:15 +0000
commite88d4705c1a22636d0aa4dcf5c56e0d3f842da16 (patch)
tree93e79215b346e5b7e08f70f0de978c202014e945 /source3
parent82ef4774d233295d29a3c6f86e30d03eddef9c73 (diff)
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Patch from Jim McDonough for bug #802. Retrieve the correct ACL group bits
if the file has an ACL. Jeremy. (This used to be commit a51d9e947ef012fabf5a13250df6232d23722f68)
Diffstat (limited to 'source3')
-rw-r--r--source3/smbd/dosmode.c3
-rw-r--r--source3/smbd/posix_acls.c42
2 files changed, 45 insertions, 0 deletions
diff --git a/source3/smbd/dosmode.c b/source3/smbd/dosmode.c
index f88964123e..fb72a2eafc 100644
--- a/source3/smbd/dosmode.c
+++ b/source3/smbd/dosmode.c
@@ -183,6 +183,7 @@ uint32 dos_mode(connection_struct *conn,char *path,SMB_STRUCT_STAT *sbuf)
/*******************************************************************
chmod a file - but preserve some bits
********************************************************************/
+
int file_chmod(connection_struct *conn,char *fname, uint32 dosmode,SMB_STRUCT_STAT *st)
{
SMB_STRUCT_STAT st1;
@@ -197,6 +198,8 @@ int file_chmod(connection_struct *conn,char *fname, uint32 dosmode,SMB_STRUCT_ST
return(-1);
}
+ get_acl_group_bits(conn, fname, &st->st_mode);
+
if (S_ISDIR(st->st_mode))
dosmode |= aDIR;
else
diff --git a/source3/smbd/posix_acls.c b/source3/smbd/posix_acls.c
index aa1d25c483..8033c694f5 100644
--- a/source3/smbd/posix_acls.c
+++ b/source3/smbd/posix_acls.c
@@ -3178,6 +3178,48 @@ BOOL set_nt_acl(files_struct *fsp, uint32 security_info_sent, SEC_DESC *psd)
}
/****************************************************************************
+ Get the actual group bits stored on a file with an ACL. Has no effect if
+ the file has no ACL. Needed in dosmode code where the stat() will return
+ the mask bits, not the real group bits, for a file with an ACL.
+****************************************************************************/
+
+int get_acl_group_bits( connection_struct *conn, char *fname, mode_t *mode )
+{
+ int entry_id = SMB_ACL_FIRST_ENTRY;
+ SMB_ACL_ENTRY_T entry;
+ SMB_ACL_T posix_acl;
+
+ posix_acl = SMB_VFS_SYS_ACL_GET_FILE(conn, fname, SMB_ACL_TYPE_ACCESS);
+ if (posix_acl == (SMB_ACL_T)NULL)
+ return -1;
+
+ while (SMB_VFS_SYS_ACL_GET_ENTRY(conn, posix_acl, entry_id, &entry) == 1) {
+ SMB_ACL_TAG_T tagtype;
+ SMB_ACL_PERMSET_T permset;
+
+ /* get_next... */
+ if (entry_id == SMB_ACL_FIRST_ENTRY)
+ entry_id = SMB_ACL_NEXT_ENTRY;
+
+ if (SMB_VFS_SYS_ACL_GET_TAG_TYPE(conn, entry, &tagtype) ==-1)
+ return -1;
+
+ if (tagtype == SMB_ACL_GROUP_OBJ) {
+ if (SMB_VFS_SYS_ACL_GET_PERMSET(conn, entry, &permset) == -1) {
+ return -1;
+ } else {
+ *mode &= ~(S_IRGRP|S_IWGRP|S_IXGRP);
+ *mode |= (SMB_VFS_SYS_ACL_GET_PERM(conn, permset, SMB_ACL_READ) ? S_IRGRP : 0);
+ *mode |= (SMB_VFS_SYS_ACL_GET_PERM(conn, permset, SMB_ACL_WRITE) ? S_IWGRP : 0);
+ *mode |= (SMB_VFS_SYS_ACL_GET_PERM(conn, permset, SMB_ACL_EXECUTE) ? S_IXGRP : 0);
+ return 0;;
+ }
+ }
+ }
+ return -1;
+}
+
+/****************************************************************************
Do a chmod by setting the ACL USER_OBJ, GROUP_OBJ and OTHER bits in an ACL
and set the mask to rwx. Needed to preserve complex ACLs set by NT.
****************************************************************************/