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CRED: Wrap task credential accesses in the SMBFS filesystem

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Wrap access to task credentials so that they can be separated more easily from
the task_struct during the introduction of COW creds.

Change most current->(|e|s|fs)[ug]id to current_(|e|s|fs)[ug]id().

Change some task->e?[ug]id to task_e?[ug]id().  In some places it makes more
sense to use RCU directly rather than a convenient wrapper; these will be
addressed by later patches.

Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: James Morris <jmorris@namei.org>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Cc: Steven French <sfrench@us.ibm.com>
Signed-off-by: James Morris <jmorris@namei.org>
This commit is contained in:
David Howells 2008-11-14 10:39:01 +11:00 committed by James Morris
parent 414cb209ea
commit e2950b178e
3 changed files with 4 additions and 4 deletions
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4
fs/smbfs/dir.c
View file

@ -667,8 +667,8 @@ smb_make_node(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
attr.ia_valid = ATTR_MODE | ATTR_UID | ATTR_GID;
attr.ia_mode = mode;
attr.ia_uid = current->euid;
attr.ia_gid = current->egid;
attr.ia_uid = current_euid();
attr.ia_gid = current_egid();
if (!new_valid_dev(dev))
return -EINVAL;

2
fs/smbfs/inode.c
View file

@ -586,7 +586,7 @@ static int smb_fill_super(struct super_block *sb, void *raw_data, int silent)
if (parse_options(mnt, raw_data))
goto out_bad_option;
}
mnt->mounted_uid = current->uid;
mnt->mounted_uid = current_uid();
smb_setcodepage(server, &mnt->codepage);
/*

2
fs/smbfs/proc.c
View file

@ -864,7 +864,7 @@ smb_newconn(struct smb_sb_info *server, struct smb_conn_opt *opt)
goto out;
error = -EACCES;
if (current->uid != server->mnt->mounted_uid &&
if (current_uid() != server->mnt->mounted_uid &&
!capable(CAP_SYS_ADMIN))
goto out;