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* mount.nfs: No need to return nfs_mount_data structsChuck Lever2007-07-205-31/+24
| | | | | | | | | | | | | | | | Refactor mount processing slightly to remove an output parameter and an unnecessary type cast. The mount syscall is now made from inside nfs_mount or nfs4mount, rather than in common code after those are called. Code review suggests that EX_BG was never returned by mount.nfs because the logic I just replaced was always returning EX_FAIL. The new logic should properly return EX_BG when appropriate. However, it is unclear whether /bin/mount handles backgrounding the mount request, or whether mount.nfs should. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Neil Brown <neilb@suse.de>
* mount.nfs: Move MS_DUMMY and friends to header fileChuck Lever2007-07-202-5/+12
| | | | | | | | | We move the definitions of MS_USER and friends to our local copy of mount_constants.h. These will need to be available in nfsmount.c and nfs4mount.c when we move the mount system call out of mount.c. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Neil Brown <neilb@suse.de>
* mount.nfs: Move start_statd into nfs_mountChuck Lever2007-07-205-64/+65
| | | | | | | | | | | | | | Move start_startd into network.c, and move the call inside of nfs_mount, instead of immediately after - conceptually a better place for it. Also fix a minor nit: Since the mount actually fails if start_statd doesn't work, cause mount.nfs to exit with a status of EX_FAIL. Still need to do something about "running_bg" in nfsmount.c:nfsmount(). Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Neil Brown <neilb@suse.de>
* mount.nfs: Move network functions into a common source moduleChuck Lever2007-07-206-274/+354
| | | | | | | | Separate network oriented functions from filesystem oriented functions, for general cleanliness. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Neil Brown <neilb@suse.de>
* mount.nfs: Eliminate some C macros that use implicit argumentsChuck Lever2007-07-201-78/+81
| | | | | | | | Get rid of nfs_probelist, mnt_probelist, and proto_probelist in order to remove the use of HAVE_RELIABLE_TCP, MAX_NFSPROT, and MAX_MNTPROT. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Neil Brown <neilb@suse.de>
* mount.nfs: Always preset nfs_mount_versionChuck Lever2007-07-203-72/+64
| | | | | | | | | | | | nfs_mount_version is a global integer that is set based on a guess about which nfs_mount_data version is appropriate for the kernel we're running on. Make it always available and have the correct value before calling mount and unmount so they don't have to worry about setting it themselves. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Neil Brown <neilb@suse.de>
* mount.nfs: Create a common source module for reporting mount errorsChuck Lever2007-07-208-183/+277
| | | | | | | Clean up, and pre-requisite for subsequent fixes. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Neil Brown <neilb@suse.de>
* mount.nfs: clean-up add_mtabChuck Lever2007-07-201-24/+28
| | | | | | | | | | Clean up add_mtab(), and make /sbin/mount.nfs[4] return a proper error if it fails. Also include an unbalanced unlock_mtab() noticed by Steve D. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Neil Brown <neilb@suse.de>
* mount.nfs: /bin/mount already handles --bind & friendsChuck Lever2007-07-201-30/+0
| | | | | | | | | | | | | Clean-up: remove logic to handle --bind and other such command-line options from mount.nfs[4]. These options are already handled in /bin/mount, and the logic for handling them in the NFS helper is currently disabled. Other helpers such as mount.ocfs2 appear not to support --bind (ie. they rely on /bin/mount to do it). Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Neil Brown <neilb@suse.de>
* mount.nfs: Remove support for "-t" optionChuck Lever2007-07-201-36/+26
| | | | | | | | /bin/mount will never pass "-t" to a mount helper, since it passes the fs-type in the name of the program it is executing. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Neil Brown <neilb@suse.de>
* mount.nfs: Simplify generation of prognameChuck Lever2007-07-201-7/+2
| | | | | | | Use basename() instead of our own majick. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Neil Brown <neilb@suse.de>
* Fix umount.nfs exit statusSteinar H. Gunderson2007-07-161-1/+1
| | | | | | | | | | | | | | | | Hi, As per a bug report from a user: mount.c seems to assume that nfsumount() uses standard C true/false return values, and inverts them for the exit status (where 0 is traditionally considered success). However, nfsumount() consistently seems to use 0 for success, and thus a success gets returned as exit status 1 and a failure as exit status 0. This confuses at least the GNOME drive manager applet, and probably others as well. Signed-off-by: Steinar H. Gunderson <sesse@debian.org> Signed-off-by: Neil Brown <neilb@suse.de>
* Added missing unlock_mtab() call in the add_mtab()Steve Dickson2007-07-161-0/+1
| | | | | | routine. Signed-off-by: Steve Dickson <steved@redhat.com>
* move pseudoflavor information to common codeJ. Bruce Fields2007-07-102-35/+4
| | | | | | | | I'd like to be able to use the same pseudoflavor data in exportfs and mountd; so move it to nfslib and a common include. Signed-off-by: "J. Bruce Fields" <bfields@citi.umich.edu> Signed-off-by: Neil Brown <neilb@suse.de>
* fix warnings in mount.cJ. Bruce Fields2007-07-101-1/+1
| | | | | | | | The compiler is warning because we aren't properly specifying the type of the chk_mountpoint argument. Signed-off-by: "J. Bruce Fields" <bfields@citi.umich.edu> Signed-off-by: Neil Brown <neilb@suse.de>
* mount.nfs: Add the mount option "nosharecache"Trond Myklebust2007-07-105-4/+50
| | | | | | | | | | | | | | | | | | | | | | Prior to David Howell's mount changes in 2.6.18, users who mounted different directories which happened to be from the same filesystem on the server would get different super blocks, and hence could choose different mount options. As long as there were no hard linked files that crossed from one subtree to another, this was quite safe. Post the changes, if the two directories are on the same filesystem (have the same 'fsid'), they will share the same super block, and hence the same mount options. Add a flag to allow users to elect not to share the NFS super block with another mount point, even if the fsids are the same. This will allow users to set different mount options for the two different super blocks, as was previously possible. It is still up to the user to ensure that there are no cache coherency issues when doing this, however the default behaviour will be to share super blocks whenever two paths result in the same fsid. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Signed-off-by: Neil Brown <neilb@suse.de>
* mount.nfs - NFSv4 mounts give wrong error message when server denies the mountSteve Dickson2007-05-171-5/+35
| | | | | | | | | | When nfs4 mount fail because the exported directory does not exist, the mount command claims the local mount point does not exist which is wrong. This patch fixes that problem as well as makes the v4 mount failures look like v3/v2 failures. Signed-off-by: Steve Dickson <steved@redhat.com> Signed-off-by: Neil Brown <neilb@suse.de>
* mount.nfs4: Remove checks for idmapd and gssd running.Neil Brown2007-05-111-0/+5
| | | | | | While it is nice to have the checks, nothing in this package creates the files that are checked, so we shouldn't check them yet.
* mount.nfs - nordirplus optionSteve Dickson2007-03-293-0/+11
| | | | | | | | | | From: Steve Dickson <steved@redhat.com> Adds the -o nordirplus mount option that will disable NFS clients from using the READDIRPLUS RPC. Signed-off-by: Steve Dickson <steved@redhat.com> Signed-off-by: Neil Brown <neilb@suse.de>
* 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>
* 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 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>
* 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.
* 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.
* 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>
* 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>
* 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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* On "umount --lazy", don't tell the server we have unmounted.Neil Brown2007-03-161-6/+7
| | | | | | Because, ofcourse, we haven't. When we do finally let-go of the mount, the server won't get told, but the same would happen on a crash, and the server just has to cope.
* Return correct exit status for umount.nfs.Neil Brown2007-03-161-1/+1
| | | | | | nfsumount() returns 1 for success and 0 for failure. Take proper account of this when producing an exit status.
* Update the nfs.5 manpageNeil Brown2007-03-161-20/+16
| | | | | Defaults are now tcp/v3. Several bugs have been fixed.
* Add nfs.5 man pageNeil Brown2007-03-162-1/+468
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* Further tidyup of nfs_umount.Neil Brown2007-03-161-65/+16
| | | | | | | | | | | | | | - remove non-used arguments from del_mtab. - Don't try to pass a "host:/path" string to umount. It used to be possible to umount("/dev/whatever"). It has never been possible to umount("host:/path"). - Don't try to read /proc/mounts first. Some mount options (mount_vers) are only stored in /etc/mtab, not in /proc/mounts. So we have to prefer /etc/mtab as getmntXbackwards do. - Only every call one of getmnt{dir,dev}backwards, depending on whether 'spec' looks like a path name or a host:/path. - Don't call _nfsumount unless we have a host:/path, or del_mtab unless we have a path name.
* Rename add_mtab2() to del_mtab()Wei Yongjun2007-03-161-3/+3
| | | | | | | add_mtab2 is used to remove an entry from mtab, rename it to del_mtab. Signed-off-by: Wei Yongjun <yjwei@nanjing-fnst.com> Signed-off-by: Neil Brown <neilb@suse.de>
* Use correct UMNT protocol to do umountWei Yongjun2007-03-161-25/+29
| | | | | | | | | | | | | This patch do following things: 1. When unmounting, we should try /proc/mounts first. Only then in /etc/mtab if it wasn't found. 2. Reject name passed to us which is not starts with a '/' or not contains a ':' 3. Fix the method to get UMNT protocol Signed-off-by: Wei Yongjun <yjwei@nanjing-fnst.com> Signed-off-by: Neil Brown <neilb@suse.de>
* Fix nfs4 umount to not used umount procedureWei Yongjun2007-03-161-27/+13
| | | | | | | | | | | This fix umount.nfs4's BUG, patch cleanup some useless code. 1. Combine nfs3_umount() and nfs2_umount() to nfs_umount() 2. If it is a nfs4 remote file system or unkown mount version, do not probe remote mount port and not send UMNT request wich is not necessary Signed-off-by: Wei Yongjun <yjwei@nanjing-fnst.com> Signed-off-by: Neil Brown <neilb@suse.de>
* Use correct UMNT version to do umountWei Yongjun2007-03-161-3/+10
| | | | | | | | | This patch lets umount to use correct UMNT version to do umount. In latest kernel, the version format is "vers=3" etc., and in old kernel the version format is "v3","v4" etc. Signed-off-by: Wei Yongjun <yjwei@nanjing-fnst.com> Signed-off-by: Neil Brown <neilb@suse.de>
* Install mount.nfs* in /sbin instead of /usr/sbinNeil Brown2007-03-161-3/+7
| | | | | | This patch is now hard-coded in the Makefile.am and cannot be changed by configure. But as it needs to match what util-linux does, that is probably a good thing.
* Automatically start statd when mounting an nfs filesystem.Neil Brown2007-03-163-7/+31
| | | | | | | | | | | If statd is not running (/var/run/rpc.statd.pid) when an nfs filesystem is mounted (v2 or v3, with remote locking enabled), and if /usr/sbin/start-statd (or other program specified at config time) is present, then run that program to start statd. This means that statd does not need to be running "just in case". It only needs to be started at boot time if the nfs server is started.
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