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* mount.nfs.man - Use nolocks for /, /usr, /varNeil Brown2007-03-291-5/+12
| | | | | | | Make it clear in manpage for mount.nfs that using nolock is appropriate for /, /usr and /var. Signed-off-by: Neil Brown <neilb@suse.de>
* mount.nfs - require statd to be running to mount without nolocksNeil Brown2007-03-292-9/+48
| | | | | | | | | If we are mounting nfsv2 or nfsv3 and statd isn't running and we cannot start statd, then fail the mount request. Also use an RPC ping to check on statd. Signed-off-by: Neil Brown <neilb@suse.de>
* statd - only unregister/register once.Neil Brown2007-03-291-16/+13
| | | | | | | | | | | | | The for loop that restarts on SIGUSR or simu_reboot currently includes several once-only things, that are probably best taken out of the loop. We also take the unregister/register out of the loop as if statd does drop privileges, then the second register won't use a privileged port properly. On the whole, cleaner code. Signed-off-by: Neil Brown <neilb@suse.de>
* mountd - better response to failed attempts to export filesystemsNeil Brown2007-03-291-3/+6
| | | | | | | | | | If the kernel rejects an attempt to export a filesystem - e.g. because it is not exportable, we shouldn't just ignore the error, but rather should tell the kernel that the relevant filehandle or path cannot be supported. We should really print out some error messages too. Signed-off-by: Neil Brown <neilb@suse.de>
* sm-notify - fix bugs related to run-only-once.Neil Brown2007-03-291-2/+2
| | | | | | Make sure that sm-notify really runs only once per reboot. Signed-off-by: Neil Brown <neilb@suse.de>
* statd - keep persistent state in sm/* files.Neil Brown2007-03-293-1/+83
| | | | | | | | | | | | If statd dies and is restarted, it forgets what peers the kernel is interested in monitoring, and so will not forward NOTIFY requests properly. With this patch the required information is recorded in the files in /var/lib/nfs/sm/* so that a kill/restart does what you might hope. Signed-off-by: Neil Brown <neilb@suse.de>
* statd - fix bug so statd can talk to kernel again.Neil Brown2007-03-231-0/+2
| | | | | | | We need to call statd_get_socket before dropping privileges so that we have a privileged port. We use to do that when initialising notification as the same socket was used for reboot notication as for callbacks to the kernel. Now it is a different socket..
* sm-notify - Fix typos in Usage message.Neil Brown2007-03-221-1/+1
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* mount.nfs: Fix issue with -o user,execNeil Brown2007-03-221-4/+2
| | | | | | | | | | | | It would seem to make sense for mount.nfs to impose the "-o user" => "-o noexec,nodev,nosuid" rule. However if you give "user,exec" to /sbin/mount, it will pass down nodev,nosuid,user with the 'exec' flag :-( So we have to leave that handling of that particular rule to /sbin/mount.
* Fix errors in statd calling sm-notify.Neil Brown2007-03-221-4/+5
| | | | | | The option for set-source-address is '-v', not '-N'. And only warn about -N if -N was actually used.
* Fix a couple of problems that crept into mountKevin Coffman2007-03-211-2/+2
| | | | | | | | | | | | Commit 6facb22402a0bd8cd49be2ed1a0856b24fef42f4 changed the allocation of len to no longer get 20 extra bytes. It needs to get at least one extra byte for a null character, otherwise a single extra option such as "sec=krb5" is never copied in parse_opt() and is dropped. Commit 44a3727a3243e674a1f1fdad5cbbc639aa25d01c added a typo when checking the program name. Signed-off-by: Neil Brown <neilb@suse.de>
* statd - remove try_to_resolveNeil Brown2007-03-201-60/+2
| | | | | | try_to_resolve is used to resolve a hostname when sending a notification. But we now only send notifications to localhost, so name resolution is not needed.
* umount should succeed even if we cannot contact the server.Neil Brown2007-03-201-4/+3
| | | | | | Failure to tell mountd about the unmount should not be classes and an error and DEFINTELY should not stop the filesystem from being unmounted.
* Add support for quoted mount optionsKarel Zak2007-03-202-15/+53
| | | | | | | | | | | | The patch avoid the collision between commas in security contexts and the delimiter between mount options. Try: mount.nfs foo://mnt/bar /mnt/bar -o context=\"aaa,bbb,ccc\",ro Signed-off-by: Cory Olmo <colmo@TrustedCS.com> Signed-off-by: Karel Zak <kzak@redhat.com> Signed-off-by: Neil Brown <neilb@suse.de>
* Build mount.nfs by default, and install setuidNeil Brown2007-03-203-5/+18
| | | | Also fix a few bugs that came up in initial testing.
* mount.nfs - make sure program name in error message is correct.Neil Brown2007-03-202-1/+3
| | | | | | getopt_long uses argv[0] in error messages. So it it is given argv+2 for example, we need to make sure that argv[2] has the correct program name.
* umount.nfs - more strict checks on command line args.Neil Brown2007-03-201-0/+11
| | | | | Reject if there are non-flag args, Reject if the filesystem is not an NFS filesystem.
* mount.nfs - Tidy up option parsing.Neil Brown2007-03-201-14/+38
| | | | | Make sure all possible invalid arguments are discovered and reported. Make sure nothing gets by for uid!=0 that doesn't perfectly match fstab.
* sm-notify - use state directory provided via ./configureNeil Brown2007-03-201-1/+5
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* Allow disabling of libblkid usage.Neil Brown2007-03-201-0/+10
| | | | | | | Some versions of libblkid have a terrible memory leak which makes mounted grow toooo big. So support --disable-uuid to remove the uuid functionality and liblkid with it.
* Add --with-rpcgen= for configure so that the system rpcgen can be used.Neil Brown2007-03-202-4/+10
| | | | | | | Ultimately it makes sense to remove remove rpcgen from the nfs-utils release as it is already in the glibc release. With this patch you can use the system rpcgen to make sure it works. It is not default yet, but it might be in a future release.
* Handle -o remount betterNeil Brown2007-03-201-0/+5
| | | | | | | | On -o remount, we need to update the entry in mtab rather than add a new one. update_mtab does this so use that. However it might free some strings that shouldn't be freed, so stop it from calling free - the program will exit soon anyway so no exit is needed.
* statd - delay drop-privs until sockets have been setup.Neil Brown2007-03-201-1/+5
| | | | | Registering sockets with portmap might require root privs, so don't drop privs until that has been done.
* Allow rpc.statd to *not* run sm-notify.Neil Brown2007-03-203-22/+47
| | | | | With -L (for Listen-only) or --no-notify, statd will not run sm-notify.
* Remove notify functionality from statd in favour of sm-notifyNeil Brown2007-03-209-392/+84
| | | | | statd now execs sm-notify to notify peers and only listens to monitor requests and remote notifications itself.
* sm-notify - compile and installNeil Brown2007-03-203-4/+8
| | | | | Add sm-notify to the compile/install scripts, (and fix a compile warning).
* sm-notify - drop privileges before receiving packets from network.Neil Brown2007-03-202-0/+47
| | | | | If /var/lib/nfs/sm is owned by non-root, setuid to that uid after opening sockets but before receiving answers.
* Prevent sm-notify from being run multiple times per reboot.Neil Brown2007-03-202-4/+62
| | | | | | | | | As "mount.nfs" can start statd, and as statd can start sm-notify, the risk of sm-notify being run multiple times increases. As this is not normally appropriate, sm-notify now creates a file in /var/run which will stop future instances from being run (though ofcourse this behaviour can be controlled by a new command line option).
* sm-notify - make the manpage a little more up-to-dateNeil Brown2007-03-201-18/+29
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* sm-notify: remove addr_parseNeil Brown2007-03-201-22/+2
| | | | | This functionality is alreday present in getaddrinfo so it isn't needed explicitly.
* sm-notify: Allow base path to be set by command line option.Neil Brown2007-03-201-4/+26
| | | | for compat with statd.
* Add sm-notify from SuSENeil Brown2007-03-202-0/+792
| | | | Not included in build yet.
* Correctly handle -f (fake) mount option.Karel Zak2007-03-201-9/+9
| | | | | | | | | The fake option has to write to mtab like a normal mount. Read mount(8) man page for more details. It's very important for system init scripts that use "-f" as a way how write info about mount points to /etc/mtab. Signed-off-by: Karel Zak <kzak@redhat.com> Signed-off-by: Neil Brown <neilb@suse.de>
* When finding an export for an fsid, check submounts too.Neil Brown2007-03-191-10/+63
| | | | | | When looking for the exportpoint to match a given fsid, if an NFSEXP_CROSSMOUNT export is found, also check all filesystems mounted below there.
* Handle 'crossmnt' when kernel asked for export options for a directory.Neil Brown2007-03-191-1/+26
| | | | | | | If the kernel finds a mountpoint below a 'crossmnt' export, it will ask mounted what export options to use. With this patch it will return the same export options as for the top 'crossmnt' export unless more specific options have been given.
* Allow exporting of a subfilesystem when 'crossmnt' is set.Neil Brown2007-03-192-10/+50
| | | | | | | | | If we are asked to export a filesystem which is not explicitly exported, but an ancestor is exported as 'crossmnt', export the filesystems with the same options as the ancestor. This is the first step to making 'crossmnt' effectively export a tree of filesystems.
* Work around svc_getreqset in glibc 3Neil Brown2007-03-191-0/+26
| | | | | | Without this fix, mountd ignores sockets with filedescriptor > 31, so if there are more than about 26 concurrent connections, mountd starts spinning.
* Clean up of some error messages.Amit Gud2007-03-192-5/+5
| | | | | Signed-off-by: Steve Dickson <steved@redhat.com> Signed-off-by: Neil Brown <neilb@suse.de>
* Make warning about host matching multiple exports more helpful.Neil Brown2007-03-192-3/+7
| | | | | 1/ only warn once per export, as it could get too noisy. 2/ make it a little clearer why this might be a problem.
* Create two separate paths for pipefs_dir and pipefs_nfsdir.Kevin Coffman2007-03-194-21/+23
| | | | | | | | | Future work needs access to the base pipefs directory rather than the nfs subdirectory. Create two separate paths called pipefs_dir and pipefs_nfsdir with the name of each. Signed-off-by: Kevin Coffman <kwc@citi.umich.edu> Signed-off-by: Neil Brown <neilb@suse.de>
* Allow any credential to be used for machine credentialsKevin Coffman2007-03-192-18/+16
| | | | | | | | | | Don't restrict machine credentials to be "nfs/<machine.name>". Use any usable credentials contained in the keytab file. [We actually attempt to use the first entry found for each realm, not every entry, in the keytab.] Signed-off-by: Kevin Coffman <kwc@citi.umich.edu> Signed-off-by: Neil Brown <neilb@suse.de>
* Add option to allow root to use credentials other than machine credentialsKevin Coffman2007-03-194-54/+69
| | | | | | | | | | | | | | | | | | | | | | | | | | Add a new option ("-n") to rpc.gssd to indicate that accesses as root (uid 0) should not use machine credentials, but should instead use "normal" Kerberos credentials obtained by root. This change was prompted by a suggestion and patch from Daniel Muntz <Dan.Muntz@netapp.com>. That patch suggested trying "normal" credentials first and falling back to using machine creds for uid 0 if normal creds failed. This opens up the case where root may have credentials as "foo@REALM" and begins accessing files. Then the context using those credentials expires and must be renewed. If the credentials are now expired, then root's new context would fall back and be created with the machine credentials. Instead, this patch insists that the administrator choose to use either machine credentials for accesses by uid 0 (the default behavior, as it was before) or "normal" credentials. In the latter case, arrangements must be made to obtain credentials before attempting a mount. There should be no doubts which credentials are used for uid 0. Signed-off-by: Kevin Coffman <kwc@citi.umich.edu> Signed-off-by: Neil Brown <neilb@suse.de>
* Don't leak keytab entriesKevin Coffman2007-03-191-0/+5
| | | | | | | Free keytab entries while processing keytab file. Signed-off-by: Kevin Coffman <kwc@citi.umich.edu> Signed-off-by: Neil Brown <neilb@suse.de>
* Fix a 'const' misuse warning.Neil Brown2007-03-161-1/+1
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* Support unmount by not privileged usersNeil Brown2007-03-161-0/+31
| | | | Providing user=username or users is listed in mtab.
* Remove nfs_mntent_t in favour of struct mntentNeil Brown2007-03-161-1/+1
| | | | They are identical and the later allows us to use hasmntent.
* Correctly handle "user" and "users" mount options.Neil Brown2007-03-161-6/+57
| | | | | | | | | | | | If "user" or "users" is given, then allow mount.nfs to be run by a non-root user providing that the mountpoint, filesystem, and options exactly match what is found in fstab. For "user", record the user name in mtab so they can unmount the filesystem later. Also alwasys ignore auto, owner, group and their negations as well as "_netdev", "comment" and "loop".
* Remove some incorrect version matching code.Neil Brown2007-03-163-8/+4
| | | | | The version of the interface to the kernel for requesting a mount it entirely different to the version of NFS that is being mounted.
* Return the correct exit status on failed mountsSteve Dickson2007-03-161-10/+16
| | | | | Signed-off-by: Steve Dickson <steved@redhat.com> Signed-off-by: Neil Brown <neilb@suse.de>
* Support -s option to ignore unknown options (sloppy)Neil Brown2007-03-163-6/+25
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