Date: Mon, 19 Jun 1995 00:20:02 -0700 From: darrylo@sr.hp.com To: freebsd-bugs Subject: bin/534: chmod doesn't work through symlinks Message-ID: <199506190720.AAA00742@freefall.cdrom.com> In-Reply-To: Your message of Mon, 19 Jun 1995 00:11:06 -0700 <199506190711.AA199165866@hpnmhjw.sr.hp.com>
next in thread | previous in thread | raw e-mail | index | archive | help
>Number: 534 >Category: bin >Synopsis: chmod doesn't work through symlinks >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs (FreeBSD bugs mailing list) >State: open >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Mon Jun 19 00:20:01 1995 >Originator: Darryl Okahata >Organization: At Home >Release: FreeBSD 2.0-BUILT-19950603 i386 >Environment: 2.0.5R, default installed kernel >Description: File permissions cannot be changed if a file is referenced via a symlink. >How-To-Repeat: Script started on Sun Jun 18 23:28:04 1995 bash$ mkdir t bash$ cd t bash$ ls -la total 4 drwxr-xr-x 2 darrylo xxx 512 Jun 18 23:28 . drwxr-xr-x 3 darrylo xxx 512 Jun 18 23:28 .. bash$ touch .x bash$ ls -la total 4 drwxr-xr-x 2 darrylo xxx 512 Jun 18 23:28 . drwxr-xr-x 3 darrylo xxx 512 Jun 18 23:28 .. -rw-r--r-- 1 darrylo xxx 0 Jun 18 23:28 .x bash$ ln -s .x .y bash$ ls -la total 4 drwxr-xr-x 2 darrylo xxx 512 Jun 18 23:28 . drwxr-xr-x 3 darrylo xxx 512 Jun 18 23:28 .. -rw-r--r-- 1 darrylo xxx 0 Jun 18 23:28 .x lrwxr-xr-x 1 darrylo xxx 2 Jun 18 23:28 .y -> .x bash$ chmod 755 .y bash$ ls -la total 4 drwxr-xr-x 2 darrylo xxx 512 Jun 18 23:28 . drwxr-xr-x 3 darrylo xxx 512 Jun 18 23:28 .. -rw-r--r-- 1 darrylo xxx 0 Jun 18 23:28 .x ^^^^^^^^^^ Permissions did not change lrwxr-xr-x 1 darrylo xxx 2 Jun 18 23:28 .y -> .x bash$ chmod 755 .x bash$ ls -la total 4 drwxr-xr-x 2 darrylo xxx 512 Jun 18 23:28 . drwxr-xr-x 3 darrylo xxx 512 Jun 18 23:28 .. -rwxr-xr-x 1 darrylo xxx 0 Jun 18 23:28 .x ^^^^^^^^^^ This changed. lrwxr-xr-x 1 darrylo xxx 2 Jun 18 23:28 .y -> .x bash$ chmod 644 .y bash$ ls -la total 4 drwxr-xr-x 2 darrylo xxx 512 Jun 18 23:28 . drwxr-xr-x 3 darrylo xxx 512 Jun 18 23:28 .. -rwxr-xr-x 1 darrylo xxx 0 Jun 18 23:28 .x ^^^^^^^^^^ No change. lrwxr-xr-x 1 darrylo xxx 2 Jun 18 23:28 .y -> .x bash$ touch foo bash$ ls -la total 4 drwxr-xr-x 2 darrylo xxx 512 Jun 18 23:29 . drwxr-xr-x 3 darrylo xxx 512 Jun 18 23:28 .. -rwxr-xr-x 1 darrylo xxx 0 Jun 18 23:28 .x lrwxr-xr-x 1 darrylo xxx 2 Jun 18 23:29 .y -> .x -rw-r--r-- 1 darrylo xxx 0 Jun 18 23:29 foo bash$ ln -s foo yuk bash$ ls -la total 4 drwxr-xr-x 2 darrylo xxx 512 Jun 18 23:29 . drwxr-xr-x 3 darrylo xxx 512 Jun 18 23:28 .. -rwxr-xr-x 1 darrylo xxx 0 Jun 18 23:28 .x lrwxr-xr-x 1 darrylo xxx 2 Jun 18 23:29 .y -> .x -rw-r--r-- 1 darrylo xxx 0 Jun 18 23:29 foo lrwxr-xr-x 1 darrylo xxx 3 Jun 18 23:29 yuk -> foo bash$ chmod 755 yuk bash$ ls -la total 4 drwxr-xr-x 2 darrylo xxx 512 Jun 18 23:29 . drwxr-xr-x 3 darrylo xxx 512 Jun 18 23:28 .. -rwxr-xr-x 1 darrylo xxx 0 Jun 18 23:28 .x lrwxr-xr-x 1 darrylo xxx 2 Jun 18 23:29 .y -> .x -rw-r--r-- 1 darrylo xxx 0 Jun 18 23:29 foo lrwxr-xr-x 1 darrylo xxx 3 Jun 18 23:29 yuk -> foo bash$ chmod 755 foo bash$ ls -la total 4 drwxr-xr-x 2 darrylo xxx 512 Jun 18 23:29 . drwxr-xr-x 3 darrylo xxx 512 Jun 18 23:28 .. -rwxr-xr-x 1 darrylo xxx 0 Jun 18 23:28 .x lrwxr-xr-x 1 darrylo xxx 2 Jun 18 23:29 .y -> .x -rwxr-xr-x 1 darrylo xxx 0 Jun 18 23:29 foo lrwxr-xr-x 1 darrylo xxx 3 Jun 18 23:29 yuk -> foo bash$ chmod 644 yuk bash$ ls -la total 4 drwxr-xr-x 2 darrylo xxx 512 Jun 18 23:29 . drwxr-xr-x 3 darrylo xxx 512 Jun 18 23:28 .. -rwxr-xr-x 1 darrylo xxx 0 Jun 18 23:28 .x lrwxr-xr-x 1 darrylo xxx 2 Jun 18 23:29 .y -> .x -rwxr-xr-x 1 darrylo xxx 0 Jun 18 23:29 foo lrwxr-xr-x 1 darrylo xxx 3 Jun 18 23:29 yuk -> foo bash$ ls -laL total 4 drwxr-xr-x 2 darrylo xxx 512 Jun 18 23:29 . drwxr-xr-x 3 darrylo xxx 512 Jun 18 23:28 .. -rwxr-xr-x 1 darrylo xxx 0 Jun 18 23:28 .x -rwxr-xr-x 1 darrylo xxx 0 Jun 18 23:28 .y -rwxr-xr-x 1 darrylo xxx 0 Jun 18 23:29 foo -rwxr-xr-x 1 darrylo xxx 0 Jun 18 23:29 yuk bash$ exit Script done on Sun Jun 18 23:30:08 1995 >Fix: None >Audit-Trail: >Unformatted:
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199506190720.AAA00742>