[Samba] samba 3.0.28a & mac osx 10.5.4

Brian Gregorcy brian.gregorcy at utah.edu
Tue Aug 19 16:35:45 GMT 2008


Hi all,

We are having an issue when a user writes to there home directory the permissions change to 0600, instead of 0751 that
we have been setting in smb.conf

Here is a description of the problem:

> reinstalled mac osx we have:
> 
> 1) OS 10.5.0 
> 
> I mounted <SAMBA SERVER> with Prof Sutherlands account 
> 
> created the folder in 1703 --> test_reinstall 
> 
> then copied a file to the new folder: About_Stacks.pdf
> 
> The permissions on the server for the folder are:
> 
> 1703 # pwd
> /home/DOMAIN/00033394/public_html/1703
> humboldt 1703 # ls -la
> total 116
> drwxr-s--x 10 00033394 apache  4096 Aug 15 15:18 .
> drwxr-s--x 18 00033394 apache  4096 Aug 14 15:04 ..
> -rwxr-s--x  1 00033394 apache  6148 Aug 14 14:55 .DS_Store
> -rwxr-s--x  1 00033394 apache 11152 Aug 14 13:49 CHEN_1703.html
> drwxr-s--x  2 00033394 apache  4096 Aug 14 13:49 CHEN_1703_files
> -rwxr-s--x  1 00033394 apache  8868 Aug 14 13:49 Homework.html
> drwxr-s--x  2 00033394 apache   155 Aug 14 13:49 Homework_files
> -rwxr-s--x  1 00033394 apache 10300 Aug 14 13:49 Lectures.html
> drwxr-s--x  2 00033394 apache  4096 Aug 14 13:49 Lectures_files
> drwxr-s--x  2 00033394 apache    28 Aug 14 13:49 Media
> -rwxr-s--x  1 00033394 apache  6326 Aug 14 13:49 Schedule.html
> drwxr-s--x  2 00033394 apache  4096 Aug 14 13:49 Schedule_files
> drwxr-s--x  3 00033394 apache    57 Aug 14 13:49 Scripts
> -rwxr-s--x  1 00033394 apache 28894 Aug 14 13:49 Syllabus.html
> drwxr-s--x  2 00033394 apache  4096 Aug 14 13:49 Syllabus_files
> -rwxr-s--x  1 00033394 apache  1963 Aug 14 13:49 feed.xml
> -rwxr-s--x  1 00033394 apache   311 Aug 14 13:49 index.html
> drwxr-s--x  2 00033394 apache    29 Aug 15 15:18 test_reinstall
> 
> 
> test_reinstall # ls -la
> total 304
> drwxr-s--x  2 00033394 apache     29 Aug 15 15:19 .
> drwxr-s--x 10 00033394 apache   4096 Aug 15 15:18 ..
> -rwxr-----  1 00033394 apache 303444 Aug 15 15:01 About_Stacks.pdf
> 
> This works I can view the page:
> http://www.che.utah.edu/~sutherland/1703/test_reinstall/
> 
> I am going to update the mac and see what happens


> updated to 10.5.4
> 
> created the folder: 
> test_reinstall_10.5.4 and the copied the file About_Stacks.pdf to it.
> 
> perms look like this:
> 1703 # ls -la
> total 116
> drwxr-s--x 11 00033394 apache  4096 Aug 15 15:33 .
> drwxr-s--x 18 00033394 apache  4096 Aug 14 15:04 ..
> -rwxr-x--x  1 00033394 apache  6148 Aug 15 15:22 .DS_Store
> -rwxr-s--x  1 00033394 apache 11152 Aug 14 13:49 CHEN_1703.html
> drwxr-s--x  2 00033394 apache  4096 Aug 14 13:49 CHEN_1703_files
> -rwxr-s--x  1 00033394 apache  8868 Aug 14 13:49 Homework.html
> drwxr-s--x  2 00033394 apache   155 Aug 14 13:49 Homework_files
> -rwxr-s--x  1 00033394 apache 10300 Aug 14 13:49 Lectures.html
> drwxr-s--x  2 00033394 apache  4096 Aug 14 13:49 Lectures_files
> drwxr-s--x  2 00033394 apache    28 Aug 14 13:49 Media
> -rwxr-s--x  1 00033394 apache  6326 Aug 14 13:49 Schedule.html
> drwxr-s--x  2 00033394 apache  4096 Aug 14 13:49 Schedule_files
> drwxr-s--x  3 00033394 apache    57 Aug 14 13:49 Scripts
> -rwxr-s--x  1 00033394 apache 28894 Aug 14 13:49 Syllabus.html
> drwxr-s--x  2 00033394 apache  4096 Aug 14 13:49 Syllabus_files
> -rwxr-s--x  1 00033394 apache  1963 Aug 14 13:49 feed.xml
> -rwxr-s--x  1 00033394 apache   311 Aug 14 13:49 index.html
> drwxr-s--x  2 00033394 apache    29 Aug 15 15:19 test_reinstall
> drwxr-xr-x  2 00033394 apache    29 Aug 15 15:33 test_reinstall_10.5.4
> 
> 
> *Note that the sticky bit is gone and has been replaced the execute bit 
> The perms on the file:
> test_reinstall_10.5.4 # pwd
> /home/DOMAIN/00033394/public_html/1703/test_reinstall_10.5.4
> humboldt test_reinstall_10.5.4 # ls -la
> total 304
> drwxr-xr-x  2 00033394 apache           29 Aug 15 15:33 .
> drwxr-s--x 11 00033394 apache         4096 Aug 15 15:33 ..
> -rw-------  1 00033394 domain users 303444 Aug 15 15:01 About_Stacks.pdf
> 
> apache is not the group and the perms are 0700, this page will not work.  The
> issue is that the mac is dropping the sticky bit and since the sticky bit is
> gone the files are being created with the wrong perms.  


Here is my smb.conf

> [global]
>         workgroup                       = DOMAIN
>         netbios name                    = SERVER
>         realm                           = REALM
>         server string                   = CHE  file server
>         security                        = ADS
>         preferred master                = no
>         client use spnego               = yes
>         server signing                  = auto
>         encrypt passwords               = yes
>         nt acl support                  = yes
>         acl map full control            = yes
>         socket options                  = TCP_NODELAY SO_RCVBUF=8192 SO_SNDBUF=8192
>         template shell                  = /bin/false
>         password server                 = DNS1 DNS2 *
>         log level                       = 3
>         log file                        = /var/log/samba/%m
>         max log size                    = 100
>         preferred master                = No
>         dns proxy                       = No
>         wins server                     = WINS1 WINS2
> 
>         ; Winbind Settings
>         winbind cache time              = 0
>         winbind nested groups           = yes
>         allow trusted domains           = No
>         idmap backend                   = idmap_rid:DOMAIN=500-100000000
>         idmap uid                       = 500-100000000
>         idmap gid                       = 500-100000000
>         template shell                  = /bin/bash
>         winbind use default domain      = Yes
>         winbind separator               = +
>         winbind enum users              = yes
>         winbind enum groups             = yes
>         winbind use default domain      = yes
>         obey pam restrictions           = yes
>         template homedir                = /home/%D/%U
>         logon path                      = \\%L\profiles\%U\%a
>         logon drive                     = X:
> 
>         # For printers
>         printcap name                   = /dev/null
>         load printers                   = no
>         printing                        = bsd





> [homes]
>         comment                         = Home Directories
>         valid users                     = %D+%U
>         path                            = /home/%D/%U
>         read only                       = no
>         browseable                      = no
>         root preexec                    = /etc/samba/mkhomedir.sh '%U'
>         writable                        = yes
>         directory mask                  = 0771
>         force directory mode            = 0771
>         create mask                     = 0751
>         #security mask                  = 0771
>         inherit permissions             = yes
>         veto files                      = /*.blessed/*.forward/*.bash_history/*.bash_logout/*.bash_profile/*.bashrc/
>         invalid users                   = bin daemon nobody named sys tty disk mem kmem users


Any help would be appreciated.

--Brian


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