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iternity 06-08-2011 07:56 AM
Samba: Permission denied only when mounting fuse partition
 
Hello,

I am successfully connecting my Windows box to a RHEL 5 over SMB. This works for both mounting a regular share as well as a fuse mountpoint.
On RHEL 6 I can only mount a regular share, but not a fuse mountpoint. I am getting a Permission Denied error.

Does anybody know why this could be happening?

I have attached below:
- my smb.conf file (it is the same on both machines)
- my smbuser file (it is the same on both machines)
- output from smbclient command for RHEL 6
- some debug output from my fuse implementation for RHEL 5
- some debug output from my fuse implementation for RHEL 6

Also, ls -ldZ gives the following outputs (iFSG-EE is the name of the fuse mountpoint)

RHEL 5, regular share:
drwxr-xr-x root root root: object_r:mnt_t regshare/

RHEL 5, fuse share:
drwxr-xr-x root root system_u: object_r:fusefs_t iFSG-EE/

RHEL6 regular share:
drwxr_xr_x. root root unconfined_u: object_r:mnt_t:s0 regshare/

RHEL6 fuse share:
drwxr_xr_x. root root system_u: object_r:fusefs_t:s0 iFSG-EE/

The share has the necessary permissions for root to connect (I have also tried to set it to 777, but it was the same problem):
drwxr-xr-x. 5 root root 4096 Dec 10 15:15 iFSG-EE

I am getting the ls event under RHEL 6 in my fuse debug output, but I am not sure where that Permission denied comes from?
Any pointers would be greatly appreciated,

Oh, and also the Samba versions are different:
RHEL5: Version 3.0.33-3.29.el5_6.2
RHEL6: Version 3.5.6-86.el6

Could a newer version of Samba cause the problem?

thanks!
bjorn


- smb.conf:

[global]
workgroup = WORKGROUP
netbios name = localhost.localdomain
server string = Samba Server Version %v
security = user
browseable = yes

[fuseshare]
path = /mnt/iFSG-EE
browseable = yes
writeable = yes
read only = no
guest ok = yes
valid users = root

[regshare]
path = /mnt/regshare
browseable = yes
writeable = yes
read only = no
guest ok = yes
valid users = root

- smbusers:

root = administrator admin root
smbroot = smbroot
nobody = guest pcguest smbguest



- output from smbclient command to RHEL 6

[root@localhost iFuseNative]# smbclient -L 192.168.9.58
Password:
Domain=[LOCALHOST.LOCALDOMAIN] OS=[Unix] Server=[Samba 3.5.4-68.el6_0.2]

Sharename Type Comment
--------- ---- -------
fuseshare Disk
regshare Disk
IPC$ IPC IPC Service (Samba Server Version 3.5.4-68.el6_0.2)
Domain=[LOCALHOST.LOCALDOMAIN] OS=[Unix] Server=[Samba 3.5.4-68.el6_0.2]

Server Comment
--------- -------

Workgroup Master
--------- -------
WORKGROUP I35200-2K3X64


Fuse Debug Output Under RHEL 5:


2011-06-02 16:38:11,979 DEBUG FuseMethodsInvoker:370 - Entering getattr_pre with path '/'
2011-06-02 16:38:11,980 DEBUG FuseMethodsInvoker:349 - Root, so we have to display all subfolders.
2011-06-02 16:38:11,980 DEBUG FuseMethodsInvoker:393 - GetPath User is '/'
2011-06-02 16:38:11,980 DEBUG FuseMethodsInvoker:401 - PathInfo for root is '0'
2011-06-02 16:38:11,980 DEBUG GetPathInfo:51 - Entering root and returning immediately with conf users: 3
2011-06-02 16:38:11,981 DEBUG GetPathInfo:75 - Mode is 16877
2011-06-02 16:38:11,981 DEBUG FuseMethodsInvoker:412 - PathInfos is Ok
2011-06-02 16:38:11,981 DEBUG FuseMethodsInvoker:413 - File mode is 16877
2011-06-02 16:38:11,998 DEBUG FuseMethodsInvoker:1162 - Entering javaAccess with path '/' -- mask '1'
2011-06-02 16:38:12,011 DEBUG FuseMethodsInvoker:370 - Entering getattr_pre with path '/*'
2011-06-02 16:38:12,013 DEBUG FuseMethodsInvoker:354 - User is '*'
2011-06-02 16:38:12,013 DEBUG FuseMethodsInvoker:393 - GetPath User is '*'
2011-06-02 16:38:12,013 DEBUG FuseMethodsInvoker:424 - Getting fmp for user '*'
2011-06-02 16:38:12,013 DEBUG FuseMethodsInvoker:425 - size of user map:'3'
2011-06-02 16:38:12,014 ERROR FuseMethodsInvoker:430 - FuseMountpoint is null, we really should be in failsafe mode at this point
2011-06-02 16:38:12,014 DEBUG FuseMethodsInvoker:370 - Entering getattr_pre with path '/*'
2011-06-02 16:38:12,014 DEBUG FuseMethodsInvoker:354 - User is '*'
2011-06-02 16:38:12,014 DEBUG FuseMethodsInvoker:393 - GetPath User is '*'
2011-06-02 16:38:12,015 DEBUG FuseMethodsInvoker:424 - Getting fmp for user '*'
2011-06-02 16:38:12,015 DEBUG FuseMethodsInvoker:425 - size of user map:'3'
2011-06-02 16:38:12,015 ERROR FuseMethodsInvoker:430 - FuseMountpoint is null, we really should be in failsafe mode at this point
2011-06-02 16:38:12,028 DEBUG FuseMethodsInvoker:1207 - Calling javaListFiles with path: '/'
2011-06-02 16:38:12,028 DEBUG FuseMethodsInvoker:349 - Root, so we have to display all subfolders.
2011-06-02 16:38:12,028 DEBUG FuseMethodsInvoker:1220 - We have 3 configured users and string len is '3'
2011-06-02 16:38:12,029 DEBUG FuseMethodsInvoker:1225 - In List files:: User[0] is 'user'
2011-06-02 16:38:12,029 DEBUG FuseMethodsInvoker:1225 - In List files:: User[1] is 'OnClose'
2011-06-02 16:38:12,029 DEBUG FuseMethodsInvoker:1225 - In List files:: User[2] is 'ReadInfoVerify'



Fuse Debug Output under RHEL 6, VM:

2011-06-02 07:44:29,117 DEBUG FuseMethodsInvoker:720 - Entering javaAccess with path '/' -- mask '1'
2011-06-02 07:44:51,641 DEBUG FuseMethodsInvoker:800 - Entering javaGetPathInfo with path '/'
2011-06-02 07:44:51,642 DEBUG FuseMethodsInvoker:299 - Root, so we have to display all subfolders.
2011-06-02 07:44:51,643 DEBUG FuseMethodsInvoker:819 - GetPath User is '/'
2011-06-02 07:44:51,643 DEBUG FuseMethodsInvoker:830 - PathInfo for root is '0'
2011-06-02 07:44:51,643 DEBUG GetPathInfo:51 - Entering root and returning immediately with conf users: 3
2011-06-02 07:44:51,644 DEBUG GetPathInfo:75 - Mode is 16877
2011-06-02 07:44:51,645 DEBUG FuseMethodsInvoker:838 - PathInfos is Ok
2011-06-02 07:44:51,645 DEBUG FuseMethodsInvoker:839 - File mode is 16877
2011-06-02 07:44:52,438 DEBUG FuseMethodsInvoker:720 - Entering javaAccess with path '/' -- mask '1'
2011-06-02 07:44:52,440 DEBUG FuseMethodsInvoker:800 - Entering javaGetPathInfo with path '/Desktop.ini'
2011-06-02 07:44:52,447 DEBUG FuseMethodsInvoker:743 - Calling javaListFiles with path: '/'
2011-06-02 07:44:52,447 DEBUG FuseMethodsInvoker:299 - Root, so we have to display all subfolders.
2011-06-02 07:44:52,447 DEBUG FuseMethodsInvoker:747 - After Calling GetUser
2011-06-02 07:44:52,448 DEBUG FuseMethodsInvoker:754 - We have 3 configured users and string len is '3'
2011-06-02 07:44:52,449 DEBUG FuseMethodsInvoker:759 - In List files:: User[0] is 'user'
2011-06-02 07:44:52,449 DEBUG FuseMethodsInvoker:759 - In List files:: User[1] is 'OnClose'
2011-06-02 07:44:52,449 DEBUG FuseMethodsInvoker:759 - In List files:: User[2] is 'ReadInfoVerify'
2011-06-02 07:44:52,461 DEBUG FuseMethodsInvoker:743 - Calling javaListFiles with path: '/'
2011-06-02 07:44:52,461 DEBUG FuseMethodsInvoker:299 - Root, so we have to display all subfolders.
2011-06-02 07:44:52,462 DEBUG FuseMethodsInvoker:747 - After Calling GetUser
2011-06-02 07:44:52,462 DEBUG FuseMethodsInvoker:754 - We have 3 configured users and string len is '3'
2011-06-02 07:44:52,462 DEBUG FuseMethodsInvoker:759 - In List files:: User[0] is 'user'
2011-06-02 07:44:52,463 DEBUG FuseMethodsInvoker:759 - In List files:: User[1] is 'OnClose'
2011-06-02 07:44:52,463 DEBUG FuseMethodsInvoker:759 - In List files:: User[2] is 'ReadInfoVerify'
2011-06-02 07:44:52,529 DEBUG FuseMethodsInvoker:743 - Calling javaListFiles with path: '/'
2011-06-02 07:44:52,529 DEBUG FuseMethodsInvoker:299 - Root, so we have to display all subfolders.
2011-06-02 07:44:52,529 DEBUG FuseMethodsInvoker:747 - After Calling GetUser
2011-06-02 07:44:52,529 DEBUG FuseMethodsInvoker:754 - We have 3 configured users and string len is '3'
2011-06-02 07:44:52,529 DEBUG FuseMethodsInvoker:759 - In List files:: User[0] is 'user'
2011-06-02 07:44:52,530 DEBUG FuseMethodsInvoker:759 - In List files:: User[1] is 'OnClose'
2011-06-02 07:44:52,530 DEBUG FuseMethodsInvoker:759 - In List files:: User[2] is 'ReadInfoVerify'
2011-06-02 07:44:52,530 DEBUG FuseMethodsInvoker:800 - Entering javaGetPathInfo with path '/AutoRun.inf'
2011-06-02 07:44:52,535 DEBUG FuseMethodsInvoker:800 - Entering javaGetPathInfo with path '/'
2011-06-02 07:44:52,535 DEBUG FuseMethodsInvoker:299 - Root, so we have to display all subfolders.
2011-06-02 07:44:52,535 DEBUG FuseMethodsInvoker:819 - GetPath User is '/'
2011-06-02 07:44:52,535 DEBUG FuseMethodsInvoker:830 - PathInfo for root is '0'
2011-06-02 07:44:52,535 DEBUG GetPathInfo:51 - Entering root and returning immediately with conf users: 3
2011-06-02 07:44:52,536 DEBUG GetPathInfo:75 - Mode is 16877
2011-06-02 07:44:52,536 DEBUG FuseMethodsInvoker:838 - PathInfos is Ok
2011-06-02 07:44:52,536 DEBUG FuseMethodsInvoker:839 - File mode is 16877
2011-06-02 07:44:52,581 DEBUG FuseMethodsInvoker:720 - Entering javaAccess with path '/' -- mask '1'
2011-06-02 07:44:52,587 DEBUG FuseMethodsInvoker:800 - Entering javaGetPathInfo with path '/desktop.ini'
2011-06-02 07:44:52,587 DEBUG FuseMethodsInvoker:304 - User is 'desktop.ini'
2011-06-02 07:44:52,589 DEBUG FuseMethodsInvoker:855 - size of user map:'3'
2011-06-02 07:44:52,589 DEBUG FuseMethodsInvoker:743 - Calling javaListFiles with path: '/'
2011-06-02 07:44:52,589 DEBUG FuseMethodsInvoker:299 - Root, so we have to display all subfolders.
2011-06-02 07:44:52,590 DEBUG FuseMethodsInvoker:747 - After Calling GetUser
2011-06-02 07:44:52,590 DEBUG FuseMethodsInvoker:754 - We have 3 configured users and string len is '3'
2011-06-02 07:44:52,590 DEBUG FuseMethodsInvoker:759 - In List files:: User[0] is 'user'
2011-06-02 07:44:52,590 DEBUG FuseMethodsInvoker:759 - In List files:: User[1] is 'OnClose'
2011-06-02 07:44:52,590 DEBUG FuseMethodsInvoker:759 - In List files:: User[2] is 'ReadInfoVerify'
2011-06-02 07:44:52,596 DEBUG FuseMethodsInvoker:299 - Root, so we have to display all subfolders.
2011-06-02 07:44:52,596 DEBUG FuseMethodsInvoker:747 - After Calling GetUser
2011-06-02 07:44:52,596 DEBUG FuseMethodsInvoker:754 - We have 3 configured users and string len is '3'
2011-06-02 07:44:52,596 DEBUG FuseMethodsInvoker:759 - In List files:: User[0] is 'user'
2011-06-02 07:44:52,596 DEBUG FuseMethodsInvoker:759 - In List files:: User[1] is 'OnClose'
2011-06-02 07:44:52,596 DEBUG FuseMethodsInvoker:759 - In List files:: User[2] is 'ReadInfoVerify'
2011-06-02 07:44:52,598 DEBUG FuseMethodsInvoker:855 - size of user map:'3'
2011-06-02 07:44:52,598 DEBUG FuseMethodsInvoker:800 - Entering javaGetPathInfo with path '/'
2011-06-02 07:44:52,599 DEBUG FuseMethodsInvoker:299 - Root, so we have to display all subfolders.
2011-06-02 07:44:52,599 DEBUG FuseMethodsInvoker:819 - GetPath User is '/'
2011-06-02 07:44:52,599 DEBUG FuseMethodsInvoker:830 - PathInfo for root is '0'
2011-06-02 07:44:52,599 DEBUG GetPathInfo:51 - Entering root and returning immediately with conf users: 3
2011-06-02 07:44:52,599 DEBUG GetPathInfo:75 - Mode is 16877
2011-06-02 07:44:52,599 DEBUG FuseMethodsInvoker:838 - PathInfos is Ok
2011-06-02 07:44:52,600 DEBUG FuseMethodsInvoker:839 - File mode is 16877
2011-06-02 07:44:52,601 DEBUG FuseMethodsInvoker:800 - Entering javaGetPathInfo with path '/*'
2011-06-02 07:44:52,601 DEBUG FuseMethodsInvoker:304 - User is '*'
2011-06-02 07:44:52,601 DEBUG FuseMethodsInvoker:819 - GetPath User is '*'
2011-06-02 07:44:52,601 DEBUG FuseMethodsInvoker:854 - Getting fmp for user '*'
2011-06-02 07:44:52,602 DEBUG FuseMethodsInvoker:855 - size of user map:'3'
2011-06-02 07:44:52,602 DEBUG FuseMethodsInvoker:800 - Entering javaGetPathInfo with path '/*'
2011-06-02 07:44:52,602 DEBUG FuseMethodsInvoker:304 - User is '*'
2011-06-02 07:44:52,603 DEBUG FuseMethodsInvoker:819 - GetPath User is '*'
2011-06-02 07:44:52,603 DEBUG FuseMethodsInvoker:854 - Getting fmp for user '*'
2011-06-02 07:44:52,604 DEBUG FuseMethodsInvoker:855 - size of user map:'3'


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