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* rpc.gssd: Replace exit(0) by return in process_krb5_upcallAndy Adamson2015-08-241-1/+1
| | | | | | | | | | | From: Andy Adamson <andros@netapp.com> exit(0) silenty reaps the gssd_k5_kt_princ struct, the in-memory rpc.gssd cache which means that rpc.gssd will get a new TGT and TGS for each upcall, ignoring a valid TGT in the kerberos credential cache. Signed-off-by: Andy Adamson <andros@netapp.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* rpc.gssd: Only clear the retval if it has not been setSteve Dickson2015-07-311-1/+3
| | | | | | | | In gssd_search_krb5_keytab() an error code can be cleared by blindly setting retval to zero. Reported-by: Jianhong Yin <jiyin@redhat.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* Fixed typo in rpc.mount man pageSteve Dickson2015-07-141-1/+1
| | | | Signed-off-by: Steve Dickson <steved@redhat.com>
* blkmapd: Skip the SCSI ID if data length is zeroKinglong Mee2015-07-141-0/+7
| | | | | | | | | | | | | | | | | | | | | | | In vmware linux, the iscsi device contains more than one SCSI ID, and the second one's data length is zero. If there are two iSCSI devices with the second SCSI ID's data length is zero, the first iSCSI device will record with an invalid SCSI ID as zero length, the second one will be treat as the first one for the SCSI ID is zero length too. It means the only the first iSCSI device is exist in blkmapd's cache, the request for the second iSCSI device will failed as, "blkmapd: Could not find disk for device" and, "bl_resolve_deviceid failed to decode device: 2". v2, update comments v3, add a comment in the code v4, update comment as Christoph's suggestion Signed-off-by: Kinglong Mee <kinglongmee@gmail.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* rpc.nfsd: Squelch DNS errors when using the --host optionChuck Lever2015-07-143-90/+29
| | | | | | | | | | | | | | | | | | | | Sean Elble <elbles@sessys.com> says: > [rpc.nfsd --host] throws an error/warning (where nfs-server is > defined in /etc/hosts for the IPv4 address of the interface I wish > for TCP port 2049 to be opened on): > > rpc.nfsd: unable to resolve nfs-server:nfs to inet6 address: Name > or service not known I think we can simplify the use of getaddrinfo(3) so that only one call is needed to gather both IPv4 and IPv6 addresses. The call should fail, and an error should be reported, only when there are _no_ addresses bound to a hostname. Reported-by: Sean Elble <elbles@sessys.com> Reviewed-by: Kinglong Mee <kinglongmee@gmail.com> Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* blkmapd: Fix infinite loop when reading serialKinglong Mee2015-06-301-1/+2
| | | | | | | | | | If (dev_id->ids & 0xf) < current_id, must updates pos when continue. Otherwise an infinite loop. No other places use the pos value, just move to the top of while. Signed-off-by: Kinglong Mee <kinglongmee@gmail.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* mount.nfs manpage: Add nfsmount.confSteve Dickson2015-06-251-1/+4
| | | | | | | Add nfsmount.conf to both the FILES and SEE ALSO sections Signed-off-by: Steve Dickson <steved@redhat.com>
* nfs manpage: Add nfsmount.confSteve Dickson2015-06-251-0/+4
| | | | | | | Add nfsmount.conf to both the FILES and SEE ALSO sections Signed-off-by: Steve Dickson <steved@redhat.com>
* security information number as, 1 1 0 0Kinglong Mee2015-05-061-0/+3
| | | | | | | | | | | It's caused by commit 4a1ad4aa30, "mountd: Enable all auth flavors on pseudofs exports" This patch removes duplicate secinfo and invalid secinfo (zero). Acked-by: Scott Mayhew <smayhew@redhat.com> Signed-off-by: Kinglong Mee <kinglongmee@gmail.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* mount: Writes signal number to kernel as command lineKinglong Mee2015-05-061-2/+7
| | | | | | | | | | | | When mounting nfs with -overs=4,minorversion=2, want getting nfs mounts with vers=4.2, but got vers=4.0 as, It's caused by mount.nfs writing bad vers to kernel. This patch lets mount.nfs writing signal number to kernel as command line. Reviewed-by: Benjamin Coddington <bcodding@redhat.com> Signed-off-by: Kinglong Mee <kinglongmee@gmail.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* When mounting nfs with -ov4, -overs=4 or -onfsvers=4, fail as,Kinglong Mee2015-05-061-9/+3
| | | | | | | | | | | mount -t nfs -ov4 192.168.31.12:/ /testidr/ mount.nfs: access denied by server while mounting 192.168.31.12:/ Fixes: f980298853 "mount.nfs: configurable minor version defaults" Reviewed-by: Benjamin Coddington <bcodding@redhat.com> Signed-off-by: Kinglong Mee <kinglongmee@gmail.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* nfsidmap: make sure give arguments are validSteve Dickson2015-05-041-1/+4
| | | | | | | Detect when a given argument is invalid. Log the error and exit gracefully Signed-off-by: Steve Dickson <steved@redhat.com>
* nfs-utils: add support for the "pnfs" export optionChristoph Hellwig2015-04-022-0/+11
| | | | | | | | This goes along with the patch just sent to Bruce to make pnfs support conditional. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Steve Dickson <steved@redhat.com>
* mount.nfs.man, nfs.man: Update distinction between fstypesBen Hutchings2015-04-021-4/+8
| | | | | | | | | | From: Ben Hutchings <ben@decadent.org.uk> this is a resync of the man page updates in the Debian package with mainline nfs-utils. Acked-By: J. Bruce Fields <bfields@fieldses.org> Signed-off-by: Steve Dickson <steved@redhat.com>
* nfs-utils: cross-reference nfsd.7 from nfsd.8 and vice versaCyril Brulebois2015-04-022-0/+2
| | | | | | | | | | | From: Cyril Brulebois <kibi@debian.org> It'd be nice if one could notice nfsd(7) when reading nfsd(8) and the other way round, without having to have to resort to dpkg -L $pkg to figure out what documentation is available. Acked-By: J. Bruce Fields <bfields@fieldses.org> Signed-off-by: Steve Dickson <steved@redhat.com>
* mountd: Enable all auth flavors on pseudofs exportsScott Mayhew2015-04-021-9/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | With the current mountd code it's possible to craft exports in such a manner that clients will be unable to mount exports that they *should* be able to mount. Consider the following example: /foo *(rw,insecure,no_root_squash,sec=krb5p) /bar client.example.com(rw,insecure,no_root_squash) Initially, client.example.com will be able to mount the /foo export using sec=krb5p, but attempts to mount /bar using sec=sys will return EPERM. Once the nfsd.export cache entry expires, client.example.com will then be able to mount /bar using sec=sys but attempts to mount /foo using sec=krb5p will return EPERM. The reason this happens is because the initial nfsd.export cache entry is actually pre-populated by nfsd_fh(), which is the handler for the nfsd.fh cache, while later cache requests (once the initial entry expires) are handled by nfsd_export(). These functions have slightly different logic in how they select a v4root export from the cache -- nfsd_fh() takes last matching v4root export it finds, while nfsd_export() (actually lookup_export()) takes the first. Either way it's wrong because the client should be able to mount both exports. Both rfc3503bis and rfc5661 say: A common and convenient practice, unless strong security requirements dictate otherwise, is to make the entire pseudo file system accessible by all of the valid security mechanisms. ...so lets do that. Acked-by: J. Bruce Fields <bfields@fieldses.org> Signed-off-by: Scott Mayhew <smayhew@redhat.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* mount: improve error message when statd cannot be started.NeilBrown2015-03-262-0/+4
| | | | | | | | | | | | | | | | | | | | | | If you try to mount and NFSv3 filesystem, and statd is not running and cannot be started (maybe rpcbind isn't running either), the error message is: mount.nfs: rpc.statd is not running but is required for remote locking. mount.nfs: Either use '-o nolock' to keep locks local, or start statd. mount.nfs: an incorrect mount option was specified That last line is incorrect and misleading: no incorret mount option was specified. This line comes from mount_error() in error.c. In this case that function doesn't really need to provide any more information. So introduce a concention that EALREADY means an error message has already been printed, and use it to suppress that message. Signed-off-by: NeilBrown <neilb@suse.de> Signed-off-by: Steve Dickson <steved@redhat.com>
* blkmapd: Make sure device root contains valid device idKinglong Mee2015-03-261-3/+7
| | | | | | | | | When testing pnfs in virtual linux based on VirtualBox, blkmapd gets dev_root->len == 0, which causes it Segmentation fault. Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Kinglong Mee <kinglongmee@gmail.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* rpc.statd: Avoid passing unregistered socket to svc_getreqsetCarlos O'Donell2015-02-261-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | rpc.statd may crash if it receives both a notification reply and a client connection at the same time. It crashes because it adds sockfd to SVC_FDSET and that violates the API contract. The SVC_FDSET is to be considered read-only and must not be modified by user code. The daemon modifies it for expediency to avoid having to maintain two distinct fd lists and select on each one. It is a practical choice that makes sense. Thus, if a notification reply arrives by itself everything works, or if a client connection arrives by itself everything works. Both must arrive at the same time for sockfd to be set in SVC_FDSET and to be processed by svc_getreqset because more than one of readfds is ready. It is the processing by svc_getreqset that will crash when it finds an unregistered fd in the list that doesn't correlate to any of the internal book keeping done by the library. At present the glibc SunRPC library will crash, but TIRPC does not (it is robust against invalid API usage in this case). However, future RPC libraries may be implemented differently, and the questionable API usage should be fixed. The simplest fix is for process_reply to *clear* sockfd from the ready-to-read fds, since it was never registered with xprt_register. This works because the code always calls process_reply before handing the fd set to the RPC layer for processing. Compile-tested on x86_64 against master. Signed-off-by: Carlos O'Donell <carlos@redhat.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* exports.man: improve documentation of 'nohide' and 'crossmnt'NeilBrown2015-02-261-6/+36
| | | | | | | | | - note that 'nohide' is irrelevant for NFSv4 - note that children on a 'crossmnt' filesystem cannot be unexported - note that 'nocrossmnt' is a valid option, but probably not useful. Signed-off-by: NeilBrown <neilb@suse.de> Signed-off-by: Steve Dickson <steved@redhat.com>
* mountd: fix next_mnt handling for "/"NeilBrown2015-02-261-1/+1
| | | | | | | | | | | | If the (exported) path passed to next_mnt() is simply "/", next_mnt() will not report any children, as none start with "/" followed by a '/'. So make a special case for strlen(p)==1. In that case, return all children. This gives correct handling if only "/" is exported. Signed-off-by: NeilBrown <neilb@suse.de> Signed-off-by: Steve Dickson <steved@redhat.com>
* statd: Fix test for foreground modeChris Mayo2015-02-011-1/+1
| | | | | | | | daemon_init parameter has the opposite sense to code removed in commit 7addf9d Signed-off-by: Chris Mayo <aklhfex@gmail.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* gssd - simplify handle_gssd_upcallDavid Hardeman2015-01-231-68/+38
| | | | | | | | Stumbled across this function, just had to simplify it. No mallocs necessary, one quick loop to find the parameters. Much simpler. Signed-off-by: David Hardeman <david@hardeman.nu> Signed-off-by: Steve Dickson <steved@redhat.com>
* gssd - improve inotifyDavid Hardeman2015-01-232-52/+116
| | | | | | | | | | Make full use of inotify by not rescanning the whole tree on each change, instead keep track of the inotify events and make sure that the minimum work (scan/create/delete) clients is done in most cases. Still detect anomalies and perform a full rescan in those cases. Signed-off-by: David Hardeman <david@hardeman.nu> Signed-off-by: Steve Dickson <steved@redhat.com>
* gssd - further shorten some pathnamesDavid Hardeman2015-01-231-9/+7
| | | | | | | Save some more memory by using relative pathnames. Signed-off-by: David Hardeman <david@hardeman.nu> Signed-off-by: Steve Dickson <steved@redhat.com>
* gssd - change dnotify to inotifyDavid Hardeman2015-01-232-30/+73
| | | | | | | | | This is just the first step, replacing dnotify with an inotify implementation that is not much better (still does a complete rescan of the whole rpc_pipefs tree on each change). Signed-off-by: David Hardeman <david@hardeman.nu> Signed-off-by: Steve Dickson <steved@redhat.com>
* gssd - cleanup read_service_infoDavid Hardeman2015-01-231-98/+110
| | | | | | | | | There's a lot of fixed buffers in use here. Clean up the code and add more documentation on the different formats that have been used by the kernel. Signed-off-by: David Hardeman <david@hardeman.nu> Signed-off-by: Steve Dickson <steved@redhat.com>
* gssd - simplify client scanningDavid Hardeman2015-01-231-91/+80
| | | | | | | | Simplify the code responsible for the client dir scanning. This is also in preparation for the inotify patches. Signed-off-by: David Hardeman <david@hardeman.nu> Signed-off-by: Steve Dickson <steved@redhat.com>
* gssd - simplify topdir scanningDavid Hardeman2015-01-232-92/+81
| | | | | | | | Simplify and refactor the code that does the topdir scanning, this is in preparation for the inotify patches. Signed-off-by: David H?rdeman <david@hardeman.nu> Signed-off-by: Steve Dickson <steved@redhat.com>
* gssd - use more relative pathsDavid Hardeman2015-01-233-41/+40
| | | | | | | | Using more relative paths saves memory and lets us get rid of more PATH_MAX fixed arrays. Signed-off-by: David Hardeman <david@hardeman.nu> Signed-off-by: Steve Dickson <steved@redhat.com>
* gssd - keep the rpc_pipefs dir openDavid Hardeman2015-01-231-49/+37
| | | | | | | | Keep the rpc_pipefs dir open and just do a rewind/rescan when necessary. Signed-off-by: David Hardeman <david@hardeman.nu> Signed-off-by: Steve Dickson <steved@redhat.com>
* gssd - make the client lists per-topdirDavid Hardeman2015-01-232-73/+66
| | | | | | | | This makes it easier to keep track of which client belongs to which topdir. Signed-off-by: David Hardeman <david@hardeman.nu> Signed-off-by: Steve Dickson <steved@redhat.com>
* gssd - remove "close me" codeDavid Hardeman2015-01-232-20/+8
| | | | | | | | This code is mostly just confusing. Close the fds immediately instead of doing so later. Signed-off-by: David Hardeman <david@hardeman.nu> Signed-off-by: Steve Dickson <steved@redhat.com>
* gssd - use libeventDavid Hardeman2015-01-233-266/+138
| | | | | | | | Using libevent (which is already in use in idmap) saves about a hundred lines of hand-rolled event loop code. Signed-off-by: David Hardeman <david@hardeman.nu> Signed-off-by: Steve Dickson <steved@redhat.com>
* gssd - move over pipfs scanning codeDavid Hardeman2015-01-234-563/+566
| | | | | | | | Move all rpc_pipefs scanning code from gssd_proc.c to gssd.c in preparation for later patches. Signed-off-by: David Hardeman <david@hardeman.nu> Signed-off-by: Steve Dickson <steved@redhat.com>
* gssd - simplify topdirs pathDavid Hardeman2015-01-232-59/+40
| | | | | | | | | | By chdir():ing to the root of the rpc_pipefs dir and making paths relative from there (gssd already keeps a number of files open in rpc_pipefs so chdir doesn't suddenly make it impossible to umount rpc_pipefs because of this patch). Signed-off-by: David Hardeman <david@hardeman.nu> Signed-off-by: Steve Dickson <steved@redhat.com>
* gssd - remove arbitrary GSSD_MAX_CCACHE_SEARCH limitationDavid Hardeman2015-01-232-13/+35
| | | | | | | Get rid of another arbitrary limitation and PATH_MAX array. Signed-off-by: David Hardeman <david@hardeman.nu> Signed-off-by: Steve Dickson <steved@redhat.com>
* gssd - simplify some option handlingDavid Hardeman2015-01-232-10/+6
| | | | | | | | Using PATH_MAX in modern code is almost always a bad idea. Simplify the code and remove that arbitrary limitation at the same time. Signed-off-by: David Hardeman <david@hardeman.nu> Signed-off-by: Steve Dickson <steved@redhat.com>
* gssd - merge gssd_main_loop.c and gssd.cDavid Hardeman2015-01-234-271/+220
| | | | | | | | Having all the main loop code in one file is important in preparation for later patches which add inotify and libevent. Signed-off-by: David Hardeman <david@hardeman.nu> Signed-off-by: Steve Dickson <steved@redhat.com>
* cleanup daemonization codeDavid Hardeman2015-01-236-71/+17
| | | | | | | | | | | | | | | The daemonization init/ready functions have parameters that are never used, require the caller to keep track of some pipefds that it has no interest in and which might not be used in some scenarios. Cleanup both functions a bit. The idea here is also that these two functions might be good points to insert more systemd init code later (sd_notify()). Also, statd had a private copy of the daemonization code for unknown reasons...so make it use the generic version instead. Signed-off-by: David H?rdeman <david@hardeman.nu> Signed-off-by: Steve Dickson <steved@redhat.com>
* mount.nfs: configurable minor version defaultsBenjamin Coddington2015-01-231-43/+95
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Update nfsmount.conf to allow minor version specification, and rearrange the autonegotiation logic to agreed upon best behavior. Depending upon the combination of values specified within nfsmount.conf and given to mount.nfs, the retry behavior of mount.nfs varies according to the general rule of defaulting to the most specific setting, with some exceptions. A general guide to the expected behavior follows: ------------------ | nfsmount.conf |----------------------------------- | Defaultvers= | arg option | attempts: | |---------------------------------------------------| | 4.2 | not set | v4.2 v4.1 v4.0 v3 | | 4.2 | v4 | v4.2 v4.1 v4.0 | | 4.1 | not set | v4.1 v4.0 v3 | | 4.1 | v4 | v4.1 v4.0 | | 4 | not set | v4.0 v3 | | 4 | v4 | v4.0 | | 3 | not set | v3 | | any set | v4.2 | v4.2 | | any set | v4.1 | v4.1 | | any set | v4 | v4.0 | | any set | v3 | v3 | | not set | not set | v4.2 v4.1 v4.0 v3 | ----------------------------------------------------- If built with --enable-mountconfig=no, then the behavior is the same as if nfsmount.conf did not set Defaultvers. Signed-off-by: Benjamin Coddington <bcodding@redhat.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* nfsmount.conf: Always parse versionsBenjamin Coddington2015-01-231-34/+0
| | | | | | | | | | | In order to make decisions about which default version to use when only the major version is specified, the nfsmount.conf Defaultvers options should always be parsed, even when a version has already been specified. Remove the check and bypass for parsing the Defaultvers options from nfsmount.conf. Signed-off-by: Benjamin Coddington <bcodding@redhat.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* mount.nfs: Add struct nfs_version and generalize version parsingBenjamin Coddington2015-01-235-77/+88
| | | | | | | | | | | | | | | | | | The nfs_version needs to carry major, minor, and basic mode information to allow decisions to be made to override, discard, or negotiate various versions. Update nfs_nfs_version() to work against this struct and set the various modes. This change also makes nfs_nfs_version() parse properly for future version number additions. The general rules for version.v_mode are - not set V_DEFAULT - single digit => 4 V_GENERAL - single digit < 4 V_SPECIFIC - decimal included V_SPECIFIC - miss all others V_PARSE_ERR Signed-off-by: Benjamin Coddington <bcodding@redhat.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* mount.nfs: parse options - add helper po_contains_prefixBenjamin Coddington2015-01-232-0/+26
| | | | | | | | | | The version options (v3,v4,v4.2) may increase in the future, but they have a predictable prefix. Add a parse option helper to locate and return these options by prefix so that a future increment of version does not require the addition of strings to a search table. Signed-off-by: Benjamin Coddington <bcodding@redhat.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* mount.nfs: fix a comment typo in parse optionsBenjamin Coddington2015-01-231-1/+1
| | | | | Signed-off-by: Benjamin Coddington <bcodding@redhat.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* rpc.idmapd: Add a reference to nfsidmap(8) on the man pageScott Mayhew2015-01-231-1/+12
| | | | | | | | Even though the 'new' idmapper used by the client has been around for several years, a lot of users seem to be unaware of its existence. Signed-off-by: Scott Mayhew <smayhew@redhat.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* rpc.idmap: Use event_initialized() to check if event is initializedSteve Dickson2015-01-231-1/+1
| | | | | | | | Using EVLIST_INIT directly is bound to break. This seems to be a leftover from legacy code. Reported-by: Holger Hoffstatte <holger.hoffstaette@googlemail.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* start-statd: Use the canonical to check if systemd is running.Steve Dickson2015-01-151-1/+1
| | | | | | | | | Use the approved way, define in http://www.freedesktop.org/software/systemd/man/sd_booted.html to check if systemd is installed and running Signed-off-by: Steve Dickson <steved@redhat.com>
* gssd: fix gssd build flagsDavid Hardeman2014-12-081-2/+2
| | | | | | | | | The tirpc variable is another library to add, not additional flags. I'm guessing the reason this hasn't caused problems is that it only shows up with static libraries. Signed-off-by: David Hardeman <david@hardeman.nu> Signed-off-by: Steve Dickson <steved@redhat.com>
* Fix up issue with "make dist"NeilBrown2014-12-079-11/+15
| | | | | | | | | | | | | Add mention of new files, remove mention of old files, and cause "make dist" to create something very similar to the current distributions. systemd files are not currently included in "make dist" and some files generated by "rpcgen" are (though they aren't in official distribution). Signed-off-by: NeilBrown <neilb@suse.de> Signed-off-by: Steve Dickson <steved@redhat.com>