diff options
Diffstat (limited to 'fs/nfsd')
| -rw-r--r-- | fs/nfsd/Kconfig | 80 | ||||
| -rw-r--r-- | fs/nfsd/auth.c | 3 | ||||
| -rw-r--r-- | fs/nfsd/nfs4state.c | 1 |
3 files changed, 83 insertions, 1 deletions
diff --git a/fs/nfsd/Kconfig b/fs/nfsd/Kconfig new file mode 100644 index 000000000000..44d7d04dab95 --- /dev/null +++ b/fs/nfsd/Kconfig @@ -0,0 +1,80 @@ +config NFSD + tristate "NFS server support" + depends on INET + select LOCKD + select SUNRPC + select EXPORTFS + select NFS_ACL_SUPPORT if NFSD_V2_ACL + help + Choose Y here if you want to allow other computers to access + files residing on this system using Sun's Network File System + protocol. To compile the NFS server support as a module, + choose M here: the module will be called nfsd. + + You may choose to use a user-space NFS server instead, in which + case you can choose N here. + + To export local file systems using NFS, you also need to install + user space programs which can be found in the Linux nfs-utils + package, available from http://linux-nfs.org/. More detail about + the Linux NFS server implementation is available via the + exports(5) man page. + + Below you can choose which versions of the NFS protocol are + available to clients mounting the NFS server on this system. + Support for NFS version 2 (RFC 1094) is always available when + CONFIG_NFSD is selected. + + If unsure, say N. + +config NFSD_V2_ACL + bool + depends on NFSD + +config NFSD_V3 + bool "NFS server support for NFS version 3" + depends on NFSD + help + This option enables support in your system's NFS server for + version 3 of the NFS protocol (RFC 1813). + + If unsure, say Y. + +config NFSD_V3_ACL + bool "NFS server support for the NFSv3 ACL protocol extension" + depends on NFSD_V3 + select NFSD_V2_ACL + help + Solaris NFS servers support an auxiliary NFSv3 ACL protocol that + never became an official part of the NFS version 3 protocol. + This protocol extension allows applications on NFS clients to + manipulate POSIX Access Control Lists on files residing on NFS + servers. NFS servers enforce POSIX ACLs on local files whether + this protocol is available or not. + + This option enables support in your system's NFS server for the + NFSv3 ACL protocol extension allowing NFS clients to manipulate + POSIX ACLs on files exported by your system's NFS server. NFS + clients which support the Solaris NFSv3 ACL protocol can then + access and modify ACLs on your NFS server. + + To store ACLs on your NFS server, you also need to enable ACL- + related CONFIG options for your local file systems of choice. + + If unsure, say N. + +config NFSD_V4 + bool "NFS server support for NFS version 4 (EXPERIMENTAL)" + depends on NFSD && PROC_FS && EXPERIMENTAL + select NFSD_V3 + select FS_POSIX_ACL + select RPCSEC_GSS_KRB5 + help + This option enables support in your system's NFS server for + version 4 of the NFS protocol (RFC 3530). + + To export files using NFSv4, you need to install additional user + space programs which can be found in the Linux nfs-utils package, + available from http://linux-nfs.org/. + + If unsure, say N. diff --git a/fs/nfsd/auth.c b/fs/nfsd/auth.c index c903e04aa217..5573508f707f 100644 --- a/fs/nfsd/auth.c +++ b/fs/nfsd/auth.c @@ -49,6 +49,8 @@ int nfsd_setuser(struct svc_rqst *rqstp, struct svc_export *exp) new->fsuid = exp->ex_anon_uid; new->fsgid = exp->ex_anon_gid; gi = groups_alloc(0); + if (!gi) + goto oom; } else if (flags & NFSEXP_ROOTSQUASH) { if (!new->fsuid) new->fsuid = exp->ex_anon_uid; @@ -85,6 +87,7 @@ int nfsd_setuser(struct svc_rqst *rqstp, struct svc_export *exp) new->cap_effective = cap_raise_nfsd_set(new->cap_effective, new->cap_permitted); put_cred(override_creds(new)); + put_cred(new); return 0; oom: diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 88db7d3ec120..b6f60f48e94b 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -2871,7 +2871,6 @@ nfsd4_lockt(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, file_lock.fl_owner = (fl_owner_t)lockt->lt_stateowner; file_lock.fl_pid = current->tgid; file_lock.fl_flags = FL_POSIX; - file_lock.fl_lmops = &nfsd_posix_mng_ops; file_lock.fl_start = lockt->lt_offset; file_lock.fl_end = last_byte_offset(lockt->lt_offset, lockt->lt_length); |