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Always open file in the DENYNONE mode and let the server to decide what is

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good for this file.
This should allow read only access to file which is already opened on server.
This commit is contained in:
Boris Popov 2002-09-18 09:54:16 +00:00
parent f7b6f951cf
commit 44f3878ecb
1 changed files with 15 additions and 5 deletions
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20
sys/fs/smbfs/smbfs_vnops.c
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@ -216,16 +216,24 @@ smbfs_open(ap)
np->n_opencount++;
return 0;
}
accmode = SMB_AM_OPENREAD;
/*
* Use DENYNONE to give unixy semantics of permitting
* everything not forbidden by permissions. Ie denial
* is up to server with clients/openers needing to use
* advisory locks for further control.
*/
accmode = SMB_SM_DENYNONE|SMB_AM_OPENREAD;
if ((vp->v_mount->mnt_flag & MNT_RDONLY) == 0)
accmode = SMB_AM_OPENRW;
accmode = SMB_SM_DENYNONE|SMB_AM_OPENRW;
smb_makescred(&scred, ap->a_td, ap->a_cred);
error = smbfs_smb_open(np, accmode, &scred);
if (error) {
if (mode & FWRITE)
return EACCES;
accmode = SMB_AM_OPENREAD;
error = smbfs_smb_open(np, accmode, &scred);
else if ((vp->v_mount->mnt_flag & MNT_RDONLY) == 0) {
accmode = SMB_SM_DENYNONE|SMB_AM_OPENREAD;
error = smbfs_smb_open(np, accmode, &scred);
}
}
if (!error) {
np->n_opencount++;
@ -390,7 +398,9 @@ smbfs_setattr(ap)
tsize = np->n_size;
np->n_size = vap->va_size;
if (np->n_opencount == 0) {
error = smbfs_smb_open(np, SMB_AM_OPENRW, &scred);
error = smbfs_smb_open(np,
SMB_SM_DENYNONE|SMB_AM_OPENRW,
&scred);
if (error == 0)
doclose = 1;
}