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Bug 443636

Summary: net-fs/davfs2-1.4.7 - User mount does not work, no entry for http://HOST/owncloud/files/webdav.php found in /etc/fstab
Product: Gentoo Linux Reporter: Juergen Rose <rose>
Component: [OLD] Core systemAssignee: Göktürk Yüksek <gokturk>
Status: UNCONFIRMED ---    
Severity: normal CC: ao, kripton, net-fs
Priority: Normal    
Version: unspecified   
Hardware: All   
OS: Linux   
Whiteboard:
Package list:
Runtime testing required: ---

Description Juergen Rose 2012-11-17 14:13:28 UTC
If I try mount an owncloud share as ordinary user it fails with:

rose@lynx:/home/rose(14)$  mount ~/owncloud
/sbin/mount.davfs: no entry for http://141.89.194.24/owncloud/files/webdav.php found in /etc/fstab

But there is an entry for http://141.89.194.24/owncloud/files/webdav.php in /etc/fstab:

rose@lynx:/home/rose(15)$ grep http://141.89.194.24/owncloud/files/webdav.php /etc/fstab
http://141.89.194.24/owncloud/files/webdav.php  /home/rose/owncloud  davfs user,rw,noauto   0 0

rose@lynx:/home/rose(16)$ grep http://141.89.194.24/owncloud/files/webdav.php ~/.davfs2/secrets
http://141.89.194.24/owncloud/files/webdav.php USER PASSWD

I belong to davfs2 group:
rose@lynx:/home/rose(17)$ id | grep davfs
uid=1203(rose) gid=1000(rose) groups=1000(rose),4(adm),6(disk),7(lp),10(wheel),14(uucp),18(audio),19(cdrom),27(video),35(games),60(mysql),100(users),102(davfs2),245(locate),250(portage),1004(plugdev),1010(vboxusers),1013(wireshark),1016(qemu),1020(kvm),1212(nwaccess),1217(tuntap)


Mounting as root works:
rose@lynx:/home/rose(21)$ su -
Password: 
...
root@lynx:/root(1)# mount  /home/rose/owncloud
Please enter the username to authenticate with server
http://141.89.194.24/owncloud/files/webdav.php or hit enter for none.
  Username: USER
  Password:  
root@lynx:/root(2)# ll /home/rose/owncloud/
total 193
drwx------ 2 root root      0 Nov 17 09:19 lost+found/
-rw-r--r-- 1 root root 196133 Jun 17 16:23 ravensbrueck2.jpg
-rw-r--r-- 1 root root     19 Jun 17 16:19 test_file_for_webdav_owncloud
root@lynx:/root(3)# umount /home/rose/owncloud/
/sbin/umount.davfs: waiting while mount.davfs (pid 27602) synchronizes the cache .. OK
root@lynx:/root(4)# ll /home/rose/owncloud/
total 0
root@lynx:/root(5)#

Reproducible: Couldn't Reproduce




root@lynx:/root(5)# emerge --info
Portage 2.1.11.31 (default/linux/amd64/10.0/desktop, gcc-4.6.3, glibc-2.16.0, 3.6.6-gentoo x86_64)
=================================================================
System uname: Linux-3.6.6-gentoo-x86_64-Intel-R-_Core-TM-2_Duo_CPU_T8300_@_2.40GHz-with-gentoo-2.2
Timestamp of tree: Fri, 16 Nov 2012 06:00:01 +0000
ld GNU ld (GNU Binutils) 2.23.1
app-shells/bash:          4.2_p39
dev-java/java-config:     2.1.12
dev-lang/python:          2.7.3-r2, 3.2.3-r1
dev-util/cmake:           2.8.9-r1
dev-util/pkgconfig:       0.27.1
sys-apps/baselayout:      2.2
sys-apps/openrc:          0.11.5
sys-apps/sandbox:         2.6
sys-devel/autoconf:       2.13, 2.69
sys-devel/automake:       1.9.6-r3, 1.10.3, 1.11.6, 1.12.4
sys-devel/binutils:       2.23.1
sys-devel/gcc:            4.6.3
sys-devel/gcc-config:     1.7.3
sys-devel/libtool:        2.4.2
sys-devel/make:           3.82-r4
sys-kernel/linux-headers: 3.6 (virtual/os-headers)
sys-libs/glibc:           2.16.0
Repositories: gentoo x11 bicatali sage-on-gentoo science dilfridge arcon ibormuth java-overlay proaudio sunrise lisp lordvan local x-cpan g-octave
Installed sets: @system
ACCEPT_KEYWORDS="amd64 ~amd64"
ACCEPT_LICENSE="* -@EULA PUEL Intel-SDP dlj-1.1 skype-eula skype-4.0.0.7-copyright googleearth AdobeFlash-10.3 cadsoft Oracle-BCLA-JavaSE MakeMKV-EULA"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-march=native -O2 -pipe"
CHOST="x86_64-pc-linux-gnu"
CONFIG_PROTECT="/etc /usr/share/config /usr/share/gnupg/qualified.txt /usr/share/openvpn/easy-rsa /var/lib/hsqldb"
CONFIG_PROTECT_MASK="${EPREFIX}/etc/gconf /etc/ca-certificates.conf /etc/dconf /etc/env.d /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/php/apache2-php5.4/ext-active/ /etc/php/cgi-php5.4/ext-active/ /etc/php/cli-php5.4/ext-active/ /etc/revdep-rebuild /etc/sandbox.d /etc/terminfo /etc/texmf/language.dat.d /etc/texmf/language.def.d /etc/texmf/updmap.d /etc/texmf/web2c"
CXXFLAGS="-march=native -O2 -pipe"
DISTDIR="/usr/portage/distfiles"
FCFLAGS="-O2 -pipe"
FEATURES="assume-digests binpkg-logs config-protect-if-modified distlocks ebuild-locks fixlafiles merge-sync news parallel-fetch protect-owned sandbox sfperms strict unknown-features-warn unmerge-logs unmerge-orphans userfetch xattr"
FFLAGS="-march=native -O2 -pipe"
GENTOO_MIRRORS="http://linux.rz.ruhr-uni-bochum.de/download/gentoo-mirror http://ftp-stud.fht-esslingen.de/pub/Mirrors/gentoo/ ftp://ftp.wh2.tu-dresden.de/pub/mirrors/gentoo ftp://sunsite.informatik.rwth-aachen.de/pub/Linux/gentoo ftp://ftp.tu-clausthal.de/pub/linux/gentoo ftp://ftp.easynet.nl/mirror/gentoo/ "
LANG="en_US.UTF-8"
LDFLAGS="-Wl,-O1 -Wl,--as-needed"
LINGUAS="de fr ru"
MAKEOPTS="-j3"
PKGDIR="/usr/portage/packages"
PORTAGE_CONFIGROOT="/"
PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --compress --force --whole-file --delete --stats --human-readable --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages"
PORTAGE_TMPDIR="/var/tmp"
PORTDIR="/usr/portage"
PORTDIR_OVERLAY="/var/lib/layman/x11 /var/lib/layman/bicatali /var/lib/layman/sage-on-gentoo /var/lib/layman/science /var/lib/layman/dilfridge /var/lib/layman/arcon /var/lib/layman/ibormuth /var/lib/layman/java-overlay /var/lib/layman/pro-audio /var/lib/layman/sunrise /var/lib/layman/lisp /var/lib/layman/lordvan /usr/local/portage /var/lib/cpan /var/lib/g-octave"
SYNC="rsync://rsync.gentoo.org/gentoo-portage"
USE="64bit R X Xaw3d a52 aac acl acpi admin afs alsa amd64 ao apache2 apng applet archive arpack asf aspell assistant atlas audacious audiofile automap automount bash-completion berkdb blas blast bluetooth bluray boo boost branding bzip2 cairo cdda cddb cdf cdio cdparanoia cdr cg cgi chm cli consolekit corba cracklib crypt css cuda cups curl cxx daap db dbi dbm dbus declarative designer devhelp device-mapper dga dia dirac djvu doc dot dri ds2490 ds9097 ds9097u dts dv dvb dvd dvdr dvi dynamicplugin eds egl elf emacs emboss emf encode epiphany evo examples exif expat extensions extra extras faac faad fam ffmpeg fftw firefox fits flac fltk fontconfig foomaticdb fortran fortran95 fpx fts3 fuse g3dvl galago garmin gcj gd gdal gdbm gdu gedit geoip geolocation geos gfortran gif gimp git glade glib glpk gml gmp gnome gnome-keyring gnome-print gnuplot gnutls gold gphoto2 gpm grammar graphics graphtft graphviz grass gsl gsm gstreamer gtk gtk3 gudev guile harness hddtemp hdf hdf5 hdri html http httpd hvm hwdb iconv icq icu id3 id3tag ide imagemagick imap inotify ipod ipv6 irda ithreads jabber jadetex java java6 jbig john jpeg jpeg2k kate kdepim kdrive kerberos keymap kpathsea kqemu kvm ladspa lame lapack laptop latex lcms ldap lensfun libffi libkms libnotify libsamplerate lirc live lua lzo mad mail maildir mapnik math matroska media-library mercurial mikmod mkl mmx mmxext mng modules mono motif mozilla mp3 mp4 mpeg mpi mplayer mtp mudflap multilib musepack musicbrainz mysql mysqli nautilus ncurses neXt netcdf netpbm network networking networkmanager nfs nls nntp nptl nsplugin ntfs ntp numpy obex objc ocaml ocr octave odbc ofa ogdi ogg openexr opengl openmp overview pae pam pango pcre pda pdf perl plotutils plugins png podcast policykit portaudio posix postgres postscript ppds pppd preview-latex proj projectm projectx pstricks pulseaudio python python-bindings q16 q32 qemu qhull qt3support qt4 quicktime raw readline reiserfs reports rle romio rpc rrdcgi rrdtool sage samba sasl schroedinger science sdk sdl secure-delete semantic-desktop server session shout sip slang slp smart smbclient smp sms sndfile snmp soap sockets soup sox speex spell sql sqlite sse sse2 sse4 ssl ssse3 startup-notification stlport subtitles subversion sudo suexec svg svm swig szip t1lib tcl tcpd tex tex4ht texmacs tgif theora thesaurus thinkpad threads thunderbird tidy tiff tk tools truetype udev udisks unicode upower usb userlocales utempter vaapi vdpau video virtualbox visio vorbis wav webdav webdav-serf webkit wifi wmf wxwidgets x264 xa xattr xcb xemacs xetex xext xft xine xml xmlreader xmlrpc xpm xv xvid xvmc yaml youtube zlib zvbi" ALSA_CARDS="intel8x0" ALSA_PCM_PLUGINS="adpcm alaw asym copy dmix dshare dsnoop empty extplug file hooks iec958 ioplug ladspa lfloat linear meter mmap_emul mulaw multi null plug rate route share shm softvol" APACHE2_MODULES="actions alias auth_basic auth_digest authn_anon authn_dbd authn_core authn_dbm authn_default authn_file authz_core authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user autoindex cache cgid dav dav_fs dav_lock dbd deflate dir disk_cache env expires ext_filter file_cache filter headers ident imagemap include info lbmethod_byrequests log_config logio mem_cache mime mime_magic negotiation proxy proxy_ajp proxy_balancer proxy_connect proxy_http rewrite setenvif slotmem_shm so socache_shmcb speling status unique_id unixd userdir usertrack vhost_alias" CALLIGRA_FEATURES="kexi words flow plan sheets stage tables krita karbon braindump" CAMERAS="canon fuji ptp2" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" CURL_SSL="nss" DRACUT_MODULES="caps lvm syslog" DVB_CARDS="usb-wt220u" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock itrax mtk3301 nmea ntrip navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf superstar2 timing tsip tripmate tnt ubx" INPUT_DEVICES="keyboard mouse evdev synaptics" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer" LINGUAS="de fr ru" NETBEANS_MODULES="apisupport cnd dlight enterprise ergonomics groovy gsf harness ide identity j2ee java mobility nb php profiler ruby websvccommon xml" PHP_TARGETS="php5-3" PYTHON_TARGETS="python2_7 python3_2" QEMU_SOFTMMU_TARGETS="arm i386 x86_64" QEMU_USER_TARGETS="arm i386 x86_64" RUBY_TARGETS="ruby18 ruby19" USERLAND="GNU" VIDEO_CARDS="nouveau vesa" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip fuzzy condition tee tarpit sysrq steal rawnat logmark ipmark dhcpmac delude chaos account"
Unset:  CPPFLAGS, CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LC_ALL, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS, USE_PYTHON
Comment 1 Juergen Rose 2012-12-08 08:23:11 UTC
Any news?
Comment 2 Juergen Rose 2013-01-28 07:10:48 UTC
ping!
Comment 3 Pavel Volkov 2013-02-13 14:18:23 UTC
I have this problem, too.

It only happens if the user does not have read access to /etc/fstab.
Setting no read access for fstab is not the default, I've set it because I have passwords stored in there for software called 'cloudfuse'.

Since /usr/sbin/mount.davfs has SUID, I don't see it being able to read /etc/fstab as a problem.
Comment 4 Pavel Volkov 2013-02-13 14:27:12 UTC
Juergen, you could probably mount it as root for now, setting uid= and gid= options to your user in /etc/fstab.
This is what I've done.
Comment 5 Juergen Rose 2013-02-13 16:06:39 UTC
(In reply to comment #3)
> I have this problem, too.
> 
> It only happens if the user does not have read access to /etc/fstab.
> Setting no read access for fstab is not the default, I've set it because I
> have passwords stored in there for software called 'cloudfuse'.
> 
> Since /usr/sbin/mount.davfs has SUID, I don't see it being able to read
> /etc/fstab as a problem.

I have the same issue not only at "lynx" but also "leopard" and everybody can read /etc/fstab:
 

rose@leopard:/home/rose(88)$ mount /home/rose/owncloud
/sbin/mount.davfs: für http://141.89.194.24/owncloud/files/webdav.php ist kein Eintrag in /etc/fstab
rose@leopard:/home/rose(89)$ grep  http://141.89.194.24/owncloud/files/webdav.php /etc/fstab
http://141.89.194.24/owncloud/files/webdav.php  /home/rose/owncloud  davfs user,rw,noauto   0 0
rose@leopard:/home/rose(90)$ ll /etc/fstab
-rw-r--r-- 1 root root 2535 16. Nov 15:58 /etc/fstab


If I try it a little bit more explicit, I get:

rose@leopard:/home/rose(91)$ mount   http://141.89.194.24/owncloud/files/webdav.php /home/rose/owncloud
mount: only root can do that
rose@leopard:/home/rose(92)$ id
uid=1203(rose) gid=1000(rose) Gruppen=1000(rose),4(adm),6(disk),7(lp),10(wheel),18(audio),19(cdrom),27(video),35(games),77(qemu),100(users),102(plugdev),106(lpadmin),245(locate),250(portage),972(davfs2),994(wireshark),995(kvm),996(vboxusers),1217(tuntap),1221(nwaccess)


rose@leopard:/home/rose(93)$ /sbin/mount.davfs   http://141.89.194.24/owncloud/files/webdav.php /home/rose/owncloud
/sbin/mount.davfs: in /etc/fstab ist die Option „user” anders gesetzt (the option „user” is set in a different way in /etc/fstab)

root@leopard:/root(279)# ll /sbin/mount.davfs
lrwxrwxrwx 1 root root 21 Aug 24 18:58 /sbin/mount.davfs -> /usr/sbin/mount.davfs*
root@leopard:/root(280)# ll  /usr/sbin/mount.davfs
-rws--x--x 1 root root 130624 Aug 24 18:58 /usr/sbin/mount.davfs*


Even if I change the group and the permission of /usr/sbin/mount.davfs, I do not have more success:

rose@leopard:/home/rose(97)$ ll /usr/sbin/mount.davfs
-rwxr-x--x 1 root davfs2 130624 24. Aug 18:58 /usr/sbin/mount.davfs*
rose@leopard:/home/rose(98)$ mount /home/rose/owncloud
mount: only root can mount http://141.89.194.24/owncloud/files/webdav.php on /home/rose/owncloud
rose@leopard:/home/rose(99)$ id
uid=1203(rose) gid=1000(rose) Gruppen=1000(rose),4(adm),6(disk),7(lp),10(wheel),18(audio),19(cdrom),27(video),35(games),77(qemu),100(users),102(plugdev),106(lpadmin),245(locate),250(portage),972(davfs2),994(wireshark),995(kvm),996(vboxusers),1217(tuntap),1221(nwaccess)
Comment 6 Juergen Rose 2013-02-13 16:13:33 UTC
(In reply to comment #4)
> Juergen, you could probably mount it as root for now, setting uid= and gid=
> options to your user in /etc/fstab.
> This is what I've done.

I switched back with group and permission of /usr/sbin/mount.davfs and tried to set uid= and gid= in /etc/fstab, it still fails:

rose@leopard:/home/rose(105)$ ll  /sbin/mount.davfs
lrwxrwxrwx 1 root root 21 24. Aug 18:58 /sbin/mount.davfs -> /usr/sbin/mount.davfs*

rose@leopard:/home/rose(106)$ ll /usr/sbin/mount.davfs
-rws--x--x 1 root root 130624 24. Aug 18:58 /usr/sbin/mount.davfs*

rose@leopard:/home/rose(107)$ mount /home/rose/owncloud
/sbin/mount.davfs: für http://141.89.194.24/owncloud/files/webdav.php ist kein Eintrag in /etc/fstab

rose@leopard:/home/rose(108)$ grep http://141.89.194.24/owncloud/files/webdav.php  /etc/fstab
http://141.89.194.24/owncloud/files/webdav.php  /home/rose/owncloud  davfs uid=root,gid=davfs2,user,rw,noauto   0 0
Comment 7 Juergen Rose 2013-03-26 14:41:58 UTC
Any news?
Comment 8 Juergen Rose 2013-05-25 21:20:59 UTC
Two month later I still have the issue. Is here anybody, who is able to /sbin/mount.davfs as ordinary user?
Comment 9 Pavel Volkov 2013-05-26 05:51:55 UTC
Yes, I'm able to mount and unmount as ordinary user.

mount command:
mount /mnt/yandex

unmount command:
fusermount -u /mnt/yandex

fstab entry:
https://webdav.yandex.ru /mnt/yandex davfs rw,user,noauto,uid=rondo,gid=rondo 0 0

And I store the password in /etc/davfs2/secrets, not in $HOME. The file has these modes:
-rw------- 1 root root 2696  2月 13 17:58 /etc/davfs2/secrets