From 5e500ed125f3b153aa3f228657723189e9f4c82e Mon Sep 17 00:00:00 2001 From: Jeff Layton Date: Wed, 16 May 2012 07:13:17 -0400 Subject: cifs: remove legacy MultiuserMount option We've now warned about this for two releases. Remove it for 3.5. Signed-off-by: Jeff Layton --- fs/cifs/misc.c | 47 ----------------------------------------------- 1 file changed, 47 deletions(-) (limited to 'fs/cifs/misc.c') diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c index c29d1aa2c54f..d2bb1e75ee96 100644 --- a/fs/cifs/misc.c +++ b/fs/cifs/misc.c @@ -306,8 +306,6 @@ header_assemble(struct smb_hdr *buffer, char smb_command /* command */ , const struct cifs_tcon *treeCon, int word_count /* length of fixed section (word count) in two byte units */) { - struct list_head *temp_item; - struct cifs_ses *ses; char *temp = (char *) buffer; memset(temp, 0, 256); /* bigger than MAX_CIFS_HDR_SIZE */ @@ -337,51 +335,6 @@ header_assemble(struct smb_hdr *buffer, char smb_command /* command */ , /* Uid is not converted */ buffer->Uid = treeCon->ses->Suid; buffer->Mid = GetNextMid(treeCon->ses->server); - if (multiuser_mount != 0) { - /* For the multiuser case, there are few obvious technically */ - /* possible mechanisms to match the local linux user (uid) */ - /* to a valid remote smb user (smb_uid): */ - /* 1) Query Winbind (or other local pam/nss daemon */ - /* for userid/password/logon_domain or credential */ - /* 2) Query Winbind for uid to sid to username mapping */ - /* and see if we have a matching password for existing*/ - /* session for that user perhas getting password by */ - /* adding a new pam_cifs module that stores passwords */ - /* so that the cifs vfs can get at that for all logged*/ - /* on users */ - /* 3) (Which is the mechanism we have chosen) */ - /* Search through sessions to the same server for a */ - /* a match on the uid that was passed in on mount */ - /* with the current processes uid (or euid?) and use */ - /* that smb uid. If no existing smb session for */ - /* that uid found, use the default smb session ie */ - /* the smb session for the volume mounted which is */ - /* the same as would be used if the multiuser mount */ - /* flag were disabled. */ - - /* BB Add support for establishing new tCon and SMB Session */ - /* with userid/password pairs found on the smb session */ - /* for other target tcp/ip addresses BB */ - if (current_fsuid() != treeCon->ses->linux_uid) { - cFYI(1, "Multiuser mode and UID " - "did not match tcon uid"); - spin_lock(&cifs_tcp_ses_lock); - list_for_each(temp_item, &treeCon->ses->server->smb_ses_list) { - ses = list_entry(temp_item, struct cifs_ses, smb_ses_list); - if (ses->linux_uid == current_fsuid()) { - if (ses->server == treeCon->ses->server) { - cFYI(1, "found matching uid substitute right smb_uid"); - buffer->Uid = ses->Suid; - break; - } else { - /* BB eventually call cifs_setup_session here */ - cFYI(1, "local UID found but no smb sess with this server exists"); - } - } - } - spin_unlock(&cifs_tcp_ses_lock); - } - } } if (treeCon->Flags & SMB_SHARE_IS_IN_DFS) buffer->Flags2 |= SMBFLG2_DFS; -- cgit v1.2.3