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https://bugzilla.samba.org/show_bug.cgi?id=9519
Since the fix for the Samba 3.3 (and earlier bug) in 64cc2c63694a03393985ffc8b178e72f52dd8a06 shows that we have to check for EINVAL on posix open, and Samba 3.3 and ...
https://www.samba.org/samba/CIFS_POSIX_extensions.html
The CIFS POSIX Extensions are protocol extensions to enable POSIX compliant operating systems to better interoperate with CIFS servers and storage appliances by extending the SNIA CIFS Specification version 1.0. Popular servers such as Samba, Windows 2000, Windows XP and many others support …
https://wiki.samba.org/index.php/UNIX_Extensions
Posix and Windows semantics for unlink of open files are different. POSIX allows deleting open files (which has the effect of removing them from the directory listing, preventing them from being opened again, but allowing existing users who have the file open to continue to read and write from the existing handle(s) until the handle(s) are ...
https://bugzilla.redhat.com/show_bug.cgi?id=700206
Ok, I can reproduce this now with a small C program that opens a file O_WRONLYOTRUNC. Samba sends back STATUS_INVALID_PARAMETER for some odd reason.
https://bugzilla.samba.org/show_bug.cgi?id=8111
Created attachment 6432 patch -- handle SMB_O_TRUNC without O_CREAT correctly Proposed patch. I believe this will fix the bug, but there may be a better way to …
https://wiki.samba.org/index.php/Setting_up_a_Share_Using_POSIX_ACLs
Samba supports shares with POSIX access control lists (ACL) on Unix domain members, they enable you to manage permissions locally on the Samba host using UNIX utilities. The Unix file system must support extended attributes, this will enable you to use extended POSIX ACLs to set multiple users and groups in ACLs - similar to Windows ACLs.
http://samba.2283325.n4.nabble.com/surprise-behavior-1-ENOENT-for-existing-directories-td2522407.html
I have not been able to reproduce this 2.6.31-rc1 against Samba 3.2.7. But a quick look at the code suggests there could be a problem if we do this sequence: POSIX open against Samba server < 3.3.1 (tcon->broken_posix_open will be set) followed by a mkdir (will call CIFSPOSIXCreate). As we don't seem to check whether the broken_posix_open is set, this might have led to this issue I think.
https://bugzilla.redhat.com/show_bug.cgi?id=493728
Bug 493728 - samba needs patch to make it so that POSIX opens work correctly. Summary: samba needs patch to make it so that POSIX opens work correctly Keywords: ... There was a bug in posix open / create calls that JRA and I discovered at Connectathon this year. I'm preparing to add patches to CIFS in RHEL5.4 to make it use POSIX open calls.
https://www.samba.org/samba/docs/current/man-html/smb.conf.5.html
If Samba has been built with asynchronous I/O support, Samba will not wait until write requests are finished before returning the result to the client for files listed in this parameter. Instead, Samba will immediately return that the write request has been finished successfully, no matter if …
https://www.cyberciti.biz/faq/how-to-configure-samba-to-use-smbv2-and-disable-smbv1-on-linux-or-unix/
Jul 11, 2019 · I am a new Linux user and for security reasons and to avoid ransomware, I would like to disable the SMB1 protocol in samba configuration on a CentOS Linux version 7 server. Is it possible to disable SMBv1 on a Linux or UNIX-like operating system? Introduction: WannaCrypt/WannaCry targets the Microsoft Windows operating system. The attack spreads by phishing emails but also uses the …
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