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Set default uid/gid to nobody/nogroup for NFSv4 mapping.

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The default uid/gid for NFSv4 are set by the nfsuserd(8) daemon.
However, they were 0 until the nfsuserd(8) was run. Since it is
possible to use NFSv4 without running the nfsuserd(8) daemon, set them
to nobody/nogroup initially.
Without this patch, the values would be set by the nfsuserd(8) daemon
and left changed even if the nfsuserd(8) daemon was killed. The default
values of 0 meant that setting a group to "wheel" would fail even when
done by root.
It also adds a definition of GID_NOGROUP to sys/conf.h.

Discussed on:	freebsd-current@
MFC after:	2 weeks
This commit is contained in:
Rick Macklem 2017-04-21 20:08:10 +00:00
parent ef18459108
commit 8c1d0d9ce5
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=317269
2 changed files with 3 additions and 2 deletions
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4
sys/fs/nfs/nfs_commonsubs.c
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@ -63,8 +63,8 @@ int nfsrv_useacl = 1;
struct nfssockreq nfsrv_nfsuserdsock;
int nfsrv_nfsuserd = 0;
struct nfsreqhead nfsd_reqq;
uid_t nfsrv_defaultuid;
gid_t nfsrv_defaultgid;
uid_t nfsrv_defaultuid = UID_NOBODY;
gid_t nfsrv_defaultgid = GID_NOGROUP;
int nfsrv_lease = NFSRV_LEASE;
int ncl_mbuf_mlen = MLEN;
int nfsd_enable_stringtouid = 0;

1
sys/sys/conf.h
View File

@ -315,6 +315,7 @@ void devfs_free_cdp_inode(ino_t ino);
#define GID_GAMES 13
#define GID_VIDEO 44
#define GID_DIALER 68
#define GID_NOGROUP 65533
#define GID_NOBODY 65534
typedef void (*dev_clone_fn)(void *arg, struct ucred *cred, char *name,