Path: utzoo!attcan!uunet!lll-winken!ames!husc6!rice!sun-spots-request From: steve%maths.warwick.ac.uk@nss.cs.ucl.ac.uk (Steve Rumsby) Newsgroups: comp.sys.sun Subject: Re: sticky bit directory Message-ID: <16455.8901190905@avon.warwick.ac.uk> Date: 25 Jan 89 08:13:35 GMT Sender: usenet@rice.edu Organization: Maths Institute, Warwick University, Coventry, UK. Lines: 134 Approved: Sun-Spots@rice.edu Original-Date: Thu, 19 Jan 89 09:05:48 GMT X-Sun-Spots-Digest: Volume 7, Issue 120, message 1 of 9 This is on a 4.0.1 system - watch. Script started on Thu Jan 19 08:52:18 1989 % cd /tmp % ls -al total 68 drwxrwxrwt 10 bin 2048 Jan 19 08:52 ./ drwxr-xr-x 20 bin 1024 Jan 10 14:52 ../ -rw-r--r-- 1 root 200 Jan 17 11:57 .getwd drwxrwxrwt 2 bin 12800 Jan 19 04:15 alph/ drwxrwxrwt 6 bin 1024 Jan 19 08:42 avon/ drwxr-xr-x 2 steve 512 Nov 21 11:23 cmr/ drwxrwxrwt 10 bin 3584 Jan 19 04:15 inch/ drwxrwxrwt 2 bin 20992 Jan 19 04:15 leam/ drwxr-xr-x 2 root 8192 Nov 10 13:39 lost+found/ <- only two links drwxr-xr-x 5 steve 512 Nov 17 12:34 sun3.4.0.1/ drwxrwxrwt 2 bin 14848 Jan 19 04:15 swift/ % mv lost+found foo mv: lost+found: rename: Not owner % ls -al total 76 drwxrwxrwt 10 bin 2048 Jan 19 08:52 ./ drwxr-xr-x 20 bin 1024 Jan 10 14:52 ../ -rw-r--r-- 1 root 200 Jan 17 11:57 .getwd drwxrwxrwt 2 bin 12800 Jan 19 04:15 alph/ drwxrwxrwt 6 bin 1024 Jan 19 08:42 avon/ drwxr-xr-x 2 steve 512 Nov 21 11:23 cmr/ drwxr-xr-x 3 root 8192 Nov 10 13:39 foo/ <- drwxrwxrwt 10 bin 3584 Jan 19 04:15 inch/ |_ 3 links drwxrwxrwt 2 bin 20992 Jan 19 04:15 leam/ | drwxr-xr-x 3 root 8192 Nov 10 13:39 lost+found/ <- drwxr-xr-x 5 steve 512 Nov 17 12:34 sun3.4.0.1/ drwxrwxrwt 2 bin 14848 Jan 19 04:15 swift/ % rmdir foo rmdir: foo: Not owner % su Password: # rmdir foo rmdir: foo: Directory not empty # /etc/unlink foo # ls -al total 76 drwxrwxrwt 10 bin 2048 Jan 19 08:52 . drwxr-xr-x 20 bin 1024 Jan 10 14:52 .. -rw-r--r-- 1 root 200 Jan 17 11:57 .getwd drwxrwxrwt 2 bin 12800 Jan 19 04:15 alph drwxrwxrwt 6 bin 1024 Jan 19 08:42 avon drwxr-xr-x 2 steve 512 Nov 21 11:23 cmr drwxr-xr-x 3 root 8192 Nov 10 13:39 foo drwxrwxrwt 10 bin 3584 Jan 19 04:15 inch drwxrwxrwt 2 bin 20992 Jan 19 04:15 leam drwxr-xr-x 3 root 8192 Nov 10 13:39 lost+found drwxr-xr-x 5 steve 512 Nov 17 12:34 sun3.4.0.1 drwxrwxrwt 2 bin 14848 Jan 19 04:15 swift # cat > u.c main(argc, argv) int argc; char **argv; { if(unlink(argv[1]) == -1) perror(argv[1]); } # make u cc -sun3 -o u u.c # ./u foo foo: Not owner # ls -al total 101 drwxrwxrwt 10 bin 2048 Jan 19 08:54 . drwxr-xr-x 20 bin 1024 Jan 10 14:52 .. -rw-r--r-- 1 root 200 Jan 17 11:57 .getwd drwxrwxrwt 2 bin 12800 Jan 19 04:15 alph drwxrwxrwt 6 bin 1024 Jan 19 08:42 avon drwxr-xr-x 2 steve 512 Nov 21 11:23 cmr drwxr-xr-x 3 root 8192 Nov 10 13:39 foo drwxrwxrwt 10 bin 3584 Jan 19 04:15 inch drwxrwxrwt 2 bin 20992 Jan 19 04:15 leam drwxr-xr-x 3 root 8192 Nov 10 13:39 lost+found drwxr-xr-x 5 steve 512 Nov 17 12:34 sun3.4.0.1 drwxrwxrwt 2 bin 14848 Jan 19 04:15 swift -rwxr-xr-x 1 root 24576 Jan 19 08:54 u -rw-r--r-- 1 root 90 Jan 19 08:54 u.c # ^D % cd / % su Password: # /etc/umount /tmp # /etc/fsck /tmp ** /dev/rxy1d ** Last Mounted on /tmp ** Phase 1 - Check Blocks and Sizes ** Phase 2 - Check Pathnames /foo IS AN EXTRANEOUS HARD LINK TO DIRECTORY /lost+found REMOVE? y ** Phase 3 - Check Connectivity ** Phase 4 - Check Reference Counts LINK COUNT DIR I=3 OWNER=root MODE=40755 SIZE=8192 MTIME=Nov 10 13:39 1988 COUNT 3 SHOULD BE 2 ADJUST? y ** Phase 5 - Check Cyl groups 3156 files, 40043 used, 37904 free (416 frags, 4686 blocks, 0.5% fragmentation) ***** FILE SYSTEM WAS MODIFIED ***** # /etc/mount /tmp # cd /tmp # ls -al total 93 drwxrwxrwt 10 bin 2048 Jan 19 08:54 . drwxr-xr-x 20 bin 1024 Jan 10 14:52 .. -rw-r--r-- 1 root 200 Jan 17 11:57 .getwd drwxrwxrwt 2 bin 12800 Jan 19 04:15 alph drwxrwxrwt 6 bin 1024 Jan 19 08:42 avon drwxr-xr-x 2 steve 512 Nov 21 11:23 cmr drwxrwxrwt 10 bin 3584 Jan 19 04:15 inch drwxrwxrwt 2 bin 20992 Jan 19 04:15 leam drwxr-xr-x 2 root 8192 Nov 10 13:39 lost+found drwxr-xr-x 5 steve 512 Nov 17 12:34 sun3.4.0.1 drwxrwxrwt 2 bin 14848 Jan 19 04:15 swift -rwxr-xr-x 1 root 24576 Jan 19 08:54 u -rw-r--r-- 1 root 90 Jan 19 08:54 u.c ... script done on Thu Jan 19 08:56:25 1989 -- UUCP: ...!ukc!warwick!steve Internet: steve@maths.warwick.ac.uk JANET: steve@uk.ac.warwick.maths PHONE: +44 203 523523 x2657 [[ I don't know why I wasn't able to recreate it before. I thought I was doing all the right things. But I have confirmed it now: this behavior can be duplicated under 4.0.1. Thank you for sending a typescript. It is much clearer and more precise than a wordy explanation. --wnl ]]