[ANNOUNCE] util-linux v2.29-rc1

[Karel Zak]

The util-linux release v2.29-rc1 is available at

  http://ftp.kernel.org/pub/linux/utils/util-linux/v2.29/

Feedback and bug reports, as always, are welcomed.

    Karel

Util-linux 2.29 Release Notes
=============================

Security issues
---------------

CVE-2016-2779 -- fixed by workaround based on libseccomp, the workaround
                 disables TIOCSTI ioctl in su/runuser session.

Stable maintenance releases between v2.28 and v2.29
---------------------------------------------------

util-linux 2.28.2 [Sep 7 2016]

 * ftp://ftp.kernel.org/pub/linux/utils/util-linux/v2.28/v2.28.2-ReleaseNotes
   ftp://ftp.kernel.org/pub/linux/utils/util-linux/v2.28/v2.28.2-ChangeLog

util-linux 2.28.1 [Aug 11 2016]

 * ftp://ftp.kernel.org/pub/linux/utils/util-linux/v2.28/v2.28.1-ReleaseNotes
   ftp://ftp.kernel.org/pub/linux/utils/util-linux/v2.28/v2.28.1-ChangeLog

Changes between v2.28 and v2.29
-------------------------------

agetty:
   - call uname() only when necessary  [Karel Zak]
   - don't modify argv[] when parse speeds  [Karel Zak]
   - fix \S usage  [Karel Zak]
   - move unreachable code to pre-processor #else segment [oclint]  [Sami Kerola]
blkdev:
   - guard against missing DIOCGDINFO on FreeBSD 11  [Franco Fichtner]
blkdiscard:
   - Improve man page  [Allon Mureinik]
build-sys:
   - add --disable-plymouth-support  [Karel Zak]
   - add --disable-widechar  [Karel Zak]
   - add --enable-libuuid-force-uuidd  [Ruediger Meier]
   - add UL_REQUIRES_COMPILE macro  [Karel Zak]
   - add missing include/plymouth-ctrl.h  [Karel Zak]
   - add non-action for ncurses pkg-cong test  [Karel Zak]
   - add parisc to define ARCH_  [Karel Zak]
   - add tools/Makemodule.am  [Karel Zak]
   - clean up relation between ncurses[w] and wide-char support  [Karel Zak]
   - cleanup --with-ncurses  [Karel Zak]
   - fix comments in ul.m4  [Karel Zak]
   - fix uClibc-ng scanf check  [Waldemar Brodkorb]
   - remove dead libsmartcols sample  [Karel Zak]
   - remove global dependence between widechar and ncursesw  [Karel Zak]
   - remove obsolete [cs]fdisk LDADDs  [Karel Zak]
   - remove obsolete comment  [Karel Zak]
   - test functions does not return void  [Sami Kerola]
   - use UL_DEFAULT_ENABLE() only for programs  [Karel Zak]
   - workaround for autoconf "present but cannot be compiled"  [Karel Zak]
cal:
   - allow to specify month by name  [Karel Zak]
   - cleanup non-ncurses build  [Karel Zak]
   - support timestamps  [Karel Zak]
   - use %04d for year  [Karel Zak]
cfdisk:
   - use libsmartcols ASCII for non-widechar environment  [Karel Zak]
cfisk:
   - add /dev/vda as another default disk  [Karel Zak]
chfn:
   - chsh  use selinux_check_passwd_access()  [Karel Zak]
chrt:
   - add fallback to be usable on kernels without sched_{get,set}attr  [Karel Zak]
   - validate priority before trying to use it  [Sami Kerola]
colcrt:
   - avoid the command getting hung [afl]  [Sami Kerola]
debug:
   - use const void * for ul_debugobj()  [Igor Gnatenko]
deprecated.txt:
   - Add sfdisk --show-pt-geometry  [Stanislav Brabec]
dmesg:
   - --notime should not suppress --show-delta  [Sami Kerola]
   - drop core at impossible case in read_buffer() [oclint]  [Sami Kerola]
   - fix indention  [Karel Zak]
   - use strtimeval_iso()  [Karel Zak]
docs:
   - Fix various typos  [Sebastian Rasmussen]
   - add file format note to utmpdump manual page  [Sami Kerola]
   - optinal option arguments should be long-only  [Sami Kerola]
   - some random fixes  [Karel Zak]
   - update AUTHORS file  [Karel Zak]
fdisk:
   - Add support for altering GPT size  [Sassan Panahinejad]
   - Fix typo RequiredPartiton -> RequiredPartition  [Sebastian Rasmussen]
   - add --wipe-partitions=auto|never|default  [Karel Zak]
   - make -l <dev ...> behaves like fdisk -l  [Thierry Vignaud]
   - use PAGER for 'l' command.  [Karel Zak]
findmnt:
   - (verify) add docs  [Karel Zak]
   - (verify) add options verification  [Karel Zak]
   - (verify) add source verification  [Karel Zak]
   - (verify) add swaparea verification  [Karel Zak]
   - (verify) check filesystem type  [Karel Zak]
   - (verify) minor changes in strings  [Karel Zak]
   - add --verify and --verbose  [Karel Zak]
   - remove duplicate include  [Karel Zak]
flock:
   - Introduce no-fork option.  [Terry Burton]
fsck:
   - fix racing between unlock/unlink and open  [Yuriy M. Kaminskiy]
   - remove fs-specific options from man page  [Karel Zak]
fsck.minix:
   - Verify more fields in super-block.  [Tobias Stoeckmann]
   - fix endless loop and out of stack  [Karel Zak]
getops:
   - improve getopt-parse.bash example  [Sami Kerola]
getopt:
   - fix memory leaks and integer overflows [ASAN & valgrind]  [Sami Kerola]
   - keep pointer to 'name' in control struct  [Karel Zak]
hwclock:
   - use strtimeval_iso()  [Karel Zak]
include/closestream:
   - define exit codes  [Karel Zak]
include/env:
   - minor fixes and clean ups  [Karel Zak]
include/timeutils:
   - rewrite iso formatting functions  [Karel Zak]
   - use pointer for time_t  [Karel Zak]
include/widechar:
   - add fallback for WEOF  [Karel Zak]
   - add missing fallbacks  [Karel Zak]
ionice:
   - clarify description of --classdata  [Daniel Shahaf]
kill:
   - remove pid command-name to option alias  [Sami Kerola]
last:
   - cleanup time formatting code  [Karel Zak]
   - fix logout time  [Karel Zak]
lib:
   - avoid double free in loopdev.c  [Sami Kerola]
   - try to find tty in get_terminal_name()  [Sami Kerola]
lib/loopdev:
   - Set errno in is_loopdev on error  [Tobias Stoeckmann]
   - cleanup sizelimit check  [Karel Zak]
lib/mbsalign:
   - fix for non-widechar  [Karel Zak]
lib/pager:
   - cleanup and extend API  [Karel Zak]
   - fix test  [Karel Zak]
   - restore signals setting by pager_close()  [Karel Zak]
lib/randutils:
   - add xsrand() and rand_get_number()  [Karel Zak]
lib/strutils:
   - make left and right trims more robust  [Sami Kerola]
lib/sysfs:
   - be more smart for non-scsi devices  [Karel Zak]
lib/timeutils:
   - add strtime_short()  [Karel Zak]
   - add strxxx_iso() functions  [Karel Zak]
lib/ttyutils:
   - use stdout for get_terminal_width()  [Karel Zak]
libblkid:
   - Add metadata signature check for IMSM on 4Kn drives  [Alexey Obitotskiy]
   - Avoid OOB access on illegal ZFS superblocks  [Tobias Stoeckmann]
   - Check that cluster size is nonzero when probing exFAT  [Rostislav Skudnov]
   - [exfat] Limit maximum number of iterations in find_label  [Rostislav Skudnov]
   - avoid non-empty recursion in EBR  [Karel Zak]
   - don't check nonnull attributes for NULL [-Wnonnull-compare]  [Karel Zak]
   - fix debugging macro [oclint]  [Sami Kerola]
   - fix mistake in debug message  [Karel Zak]
   - ignore empty MBR on LVM device  [Karel Zak]
   - ignore extended partition at zero offset  [Karel Zak]
   - improve debug messages  [Karel Zak]
   - make I/O errors on CDROMs non-fatal  [Karel Zak]
   - make blkid_do_wipe() work with probes with offset  [Petr Uzel]
   - reduce probing area for crazy CDROMs  [Karel Zak]
   - remove unused function  [Karel Zak]
   - simplify if clause [oclint]  [Sami Kerola]
   - store only canonical devnames to the cache  [Karel Zak]
libcommon:
   - add ISO_8601_GMTIME that will print UTC-0 timestamps  [Sami Kerola]
libfdisk:
   - (docs) add missing version notes  [Karel Zak]
   - (gpt) be more careful with 64bit constants  [Karel Zak]
   - Add support for altering GPT size  [Sassan Panahinejad]
   - Distinguish between first LBA sector and partition  [Tobias Stoeckmann]
   - Fix assert error in free space handling  [Tobias Stoeckmann]
   - add API for work with labelitems  [Karel Zak]
   - add fdisk_wipe_partition()  [Karel Zak]
   - cleanup fdisk_gpt_set_npartitions()  [Karel Zak]
   - don't offer zero length freespace  [Karel Zak]
   - fix range checking for fdisk_set_last_lba  [Sassan Panahinejad]
   - make table-length usage more robust  [Karel Zak]
   - move fdisk_field_...() functions to field.c  [Karel Zak]
   - use fdisk_add_partition() for unused partno  [Karel Zak]
   - use table-length in dump for non-standard PT  [Karel Zak]
liblkid:
   - Add length check in probe_nilfs2 before crc32  [Torsten Hilbrich]
   - fix probe_nilfs2 I/O error backup  [Karel Zak]
libmount:
   - Fix possible crash in mnt_context_setup_loopdev()  [Stanislav Brabec]
   - Introduce new error  MNT_ERR_LOOPOVERLAP  [Stanislav Brabec]
   - Preserve empty string value in optstr parsing  [Filipe Brandenburger]
   - Re-organize is_mounted_same_loopfile()  [Stanislav Brabec]
   - don't check nonnull attributes for NULL [-Wnonnull-compare]  [Karel Zak]
   - don't support /etc/mtab by default  [Karel Zak]
   - fix memory leak  [Sami Kerola]
   - fix mnt_table_parse_mtab() logic  [Karel Zak]
   - fix mnt_table_parse_stream() logic  [Karel Zak]
   - fix mount -a for cifs  [Aurelien Aptel]
   - ignore redundant slashes  [Karel Zak]
   - make kernel_fs_postparse() more robust  [Karel Zak]
   - one iteration to detect overlap and reuse loopdev  [Karel Zak]
   - paranoid change in mnt_table_is_fs_mounted()  [Karel Zak]
   - remove duplicate code  [Karel Zak]
   - reuse existing loop device  [Stanislav Brabec]
   - try absolute target before canonicalize  [Karel Zak]
libmount, look:
   - remove dead code [oclint]  [Sami Kerola]
libmout:
   - Reuse loop device safely  [Stanislav Brabec]
libsmartcols:
   - (docs) add missing functions  [Karel Zak]
   - (docs) add missing version notes  [Karel Zak]
   - Corrected JSON escaping  [Karel Zak, Bryan Elliott]
   - add JSON support to sample application  [Karel Zak]
   - add application to test library features  [Karel Zak]
   - add fallback for symbols  [Karel Zak]
   - add functions to control terminal usage  [Karel Zak]
   - add maxout sample  [Karel Zak]
   - add scols_column_add_width()  [Karel Zak]
   - add scols_table_get_name()  [Igor Gnatenko]
   - add scols_table_is_nolinesep()  [Igor Gnatenko]
   - add scols_table_is_nowrap()  [Igor Gnatenko]
   - add support for trees to the sample application  [Karel Zak]
   - allow to change cell padding char  [Karel Zak]
   - be consistent, use 'sy' for symbols  [Igor Gnatenko]
   - be more strict about empty tables  [Karel Zak]
   - cleanup get functions  [Karel Zak]
   - cleanup line separator usage  [Karel Zak]
   - cleanup scols_table_set_symbols() API  [Karel Zak]
   - commit missing file  [Karel Zak]
   - custom wrap fixes  [Karel Zak]
   - don't print title color is colors disabled  [Karel Zak]
   - extend wrapnl sample  [Karel Zak]
   - fix WRAPNL crashes  [Karel Zak]
   - fix WRAPNL on strings without \n  [Karel Zak]
   - fix comment  [Karel Zak]
   - fix hidden file usage  [Karel Zak]
   - fix minimal column width calculation  [Karel Zak]
   - fix non-tty output for 'maxout' columns  [Karel Zak]
   - fix padding for non-maxout output  [Karel Zak]
   - fix scols_table_enable_colors() usage in samples  [Karel Zak]
   - fix title output on non-tty  [Karel Zak]
   - fix tree padding  [Karel Zak]
   - fix typos in docs  [Igor Gnatenko]
   - fixes in doc generation  [Igor Gnatenko]
   - improve JSON  [Karel Zak]
   - keep scols_table_get_termwidth() read-only  [Karel Zak]
   - make get_line/column_separator() return const  [Igor Gnatenko]
   - remove debuging code from sample  [Karel Zak]
   - support LIBSMARTCOLS_DEBUG_PADDING=on  [Karel Zak]
   - support custom wrap and remove SCOLS_FL_WRAPNL  [Karel Zak]
   - support multi-line cells based on line breaks  [Karel Zak]
   - use SCOLS_FL_RIGHT in sample  [Karel Zak]
   - use const qualifier for scols_table_get_termwidth  [Igor Gnatenko]
   - use const qualifier where it's possible  [Igor Gnatenko]
logger:
   - add man page note about the default --tag  [Karel Zak]
   - be more precise about --port description  [Karel Zak]
   - remove trailing spaces when outputing to journal  [Sami Kerola]
   - simplify if clause [oclint]  [Sami Kerola]
loopdev:
   - Implememt loopcxt_set_status()  [Stanislav Brabec]
losetup:
   - Prevent AUTOCLEAR detach race  [Stanislav Brabec]
   - add --nooverlap options  [Karel Zak, Stanislav Brabec]
   - allow to use --nooverlap when device specified  [Karel Zak]
   - fix outdated comment  ["Yuriy M. Kaminskiy"]
lsblk:
   - improve support for nvme  [Karel Zak]
   - use ID_WWN_WITH_EXTENSION is possible  [Karel Zak]
lscpu:
   - add --physical option  [Heiko Carstens]
   - add drawer support  [Heiko Carstens]
   - add parsable testcase with the --physical option  [Heiko Carstens]
   - add s390 drawer testcase  [Heiko Carstens]
   - fix MMHZ column entry within man page  [Heiko Carstens]
   - fix typo in summary output  [Heiko Carstens]
   - make lookup_cache() more robust  [Karel Zak]
   - only try to read sysfs attributes of present CPUs  [Heiko Carstens]
   - print correct number of threads per core if possible  [Heiko Carstens]
   - show additional caches (s390)  [Heiko Carstens]
   - show machine type (s390)  [Heiko Carstens]
   - show static and dynamic MHz (s390)  [Heiko Carstens]
   - update s390-lpar-drawer testcase  [Heiko Carstens]
lsipc:
   - use strtime_short()  [Karel Zak]
   - use strtm_iso()  [Karel Zak]
lslocks:
   - add --noinaccessible  [Karel Zak]
lslogins:
   - simplify if clause and move definition and comments [oclint]  [Sami Kerola]
   - use strtime_short()  [Karel Zak]
   - use strtm_iso()  [Karel Zak]
lsns:
   - check for OOM  [Karel Zak]
   - missing ns/<name> is not error  [Karel Zak]
   - support cgroup namespaces  [MichaÅ Bartoszkiewicz]
lspcu:
   - minor manpage improvement  [Heiko Carstens]
man pages:
   - fix spacing between man page name & section number  [Mike Frysinger]
misc:
   - Fix various typos  [Sebastian Rasmussen]
   - always check setenv(3) return value  [Sami Kerola]
   - cleanup non-widechar compilation  [Karel Zak]
   - fix declarations shadowing variables in the global scope [oclint]  [Sami Kerola]
   - simplify if clauses [oclint]  [Sami Kerola]
mkswap:
   - tolerate ENOTSUP when failing to relabel  [Lubomir Rintel]
more:
   - don't include ncurses.h, fix for non-widechar  [Karel Zak]
mount:
   - Handle EROFS before calling mount() syscall  [Stanislav Brabec]
   - Handle MNT_ERR_LOOPOVERLAP  [Stanislav Brabec]
   - add note about another flags for "remount,bind"  [Karel Zak]
   - add note about loopdev reuse to mount.8  [Karel Zak]
   - add note about paths verification to mount.8  [Karel Zak]
   - mount.8 Update loop device documentation  [Stanislav Brabec]
   - small change to mount.8 loopdev section  [Karel Zak]
   - try to tell what mount was doing when it failed  [Sami Kerola]
nsenter:
   - enter namespaces in two passes  [James Bottomley]
pathnames:
   - guard clashing definitions on FreeBSD  [Franco Fichtner]
pg:
   - stop building the command by default  [Sami Kerola]
po:
   - merge changes  [Karel Zak]
   - update cs.po (from translationproject.org)  [Petr PÃsaÅ]
   - update de.po (from translationproject.org)  [Philipp Thomas]
   - update es.po (from translationproject.org)  [Antonio Ceballos Roa]
   - update ja.po (from translationproject.org)  [Takeshi Hamasaki]
   - update nl.po (from translationproject.org)  [Benno Schulenberg]
   - update pl.po (from translationproject.org)  [Jakub Bogusz]
   - update sv.po (from translationproject.org)  [Sebastian Rasmussen]
pylibmount:
   - include c.h  [Karel Zak]
ramctl:
   - add support for zram-control  [Karel Zak]
script:
   - avoid trying fclose(NULL)  [Sami Kerola]
   - check status of writes when closing outputs  [Sami Kerola]
   - close file descriptors on exec  [Sami Kerola]
   - improve coding style and the "done" message  [Karel Zak]
   - use empty-slave heuristic more carefully  [Karel Zak]
scriptreplay:
   - avoid re-implementing strtod_or_err()  [Sami Kerola]
   - improve error message  [Sami Kerola]
setpwnam:
   - fix memory leak  [Sami Kerola]
setterm:
   - de-duplicate color option string parsing  [Karel Zak]
   - fix declarations shadowing variables in the global scope [oclint]  [Sami Kerola]
   - remove unnecessary translation string  [Sami Kerola]
sfdisk:
   - Add --show-pt-geometry compatibility code  [Stanislav Brabec]
   - Add support for altering GPT size  [Sassan Panahinejad]
   - add --no-tell-kernel  [Karel Zak]
   - add --wipe-partitions=auto|never|default  [Karel Zak]
   - add show-pt-geometry to usage() and sfdisk.8  [Karel Zak]
   - exit with error if rereading partition table fails  [Victor Dodon]
   - make non-interactive output more readable  [Karel Zak]
smartcols/symbols:
   - free cell_padding in unref()  [Igor Gnatenko]
su, runuser, setpriv:
   - create links between man pages  [Karel Zak]
su,runuser:
   - add libseccomp based workaround for TIOCSTI ioctl  [Karel Zak]
sulogin:
   - agetty  use the plymouth local protocol instead the plymouth binary  [Werner Fink]
   - make fopen O_CLOEXEC specifier usage portable  [Sami Kerola]
   - remove __nonnull__ function attribute  [Sami Kerola]
swapon:
   - fix discard option parsing  [Karel Zak]
switch_root:
   - simplify code and reduce indentation [oclint]  [Sami Kerola]
syspriv:
   - flip inverted logic [oclint]  [Sami Kerola]
tailf:
   - Fix previously adjusted segfault patch  [Tobias Stoeckmann]
   - Fix segmentation fault in tailf on 32 bit  [Tobias Stoeckmann]
taskset:
   - clarify that masks are always hex in man page  [Chris Metcalf]
tests:
   - Add helper for TIOCSTI exploit  [Stanislav Brabec]
   - Add loop-overlay test  [Stanislav Brabec]
   - Add losetup-loop test suite  [Stanislav Brabec]
   - Allow running a single test case from tests/run.sh  [Filipe Brandenburger]
   - Fix fdisk/id and fdisk/mbr-nondos-mode on Sparc  [James Clarke]
   - Use proper word splitting when executing tests  [Filipe Brandenburger]
   - add another libsmartcols tests  [Karel Zak]
   - add chrt test  [Karel Zak]
   - add columns separator to libsmartcols test  [Karel Zak]
   - add export and raw to libsmartcols test  [Karel Zak]
   - add libsmartcols JSON test  [Karel Zak]
   - add libsmartcols title test  [Karel Zak]
   - add libsmartcols wrap and wrapnl tree tests  [Karel Zak]
   - add missing expected/ dir stuff  [Karel Zak]
   - add tree libsmartcols test files  [Karel Zak]
   - challenge utmpdump localization go-around  [Sami Kerola]
   - check for mount(8) in minix test  [Karel Zak]
   - don't depend on GNU md5sum  [Ruediger Meier]
   - fix for non-ncurses version  [Karel Zak]
   - fix libmount loop-overlay test  [Karel Zak]
   - fix loop-overlay test  [Karel Zak]
   - fix losetup tests for --nooverlap  [Karel Zak]
   - fix ttyutils test  [Karel Zak]
   - fix utmpdump timestamps to be in iso format  [Sami Kerola]
   - implement ts_skip_subtest  [Karel Zak]
   - improve libsmartcols test  [Karel Zak]
   - keep 'hppa' in fdisk/bsd test too  [Karel Zak]
   - make chrt test more debug-able  [Karel Zak]
   - make tests more portable due to mtab  [Karel Zak]
   - mark build-in paths test as optional  [Karel Zak]
   - mark chrt as TS_KNOWN_FAIL  [Karel Zak]
   - mark chrt tests as root-only  [Karel Zak]
   - move getopt to separate directory  [Karel Zak]
   - really fix fdisk/bsd for hppa  [Helge Deller]
   - refresh cal(1) test  [Karel Zak]
   - remove USE_LIBMOUNT_FORCE_MOUNTINFO  [Karel Zak]
   - remove unnecessary file  [Sami Kerola]
   - test_md5 prints md5sum only  [Ruediger Meier]
   - update build-sys tests  [Karel Zak]
   - update sfdisk output strings  [Karel Zak]
   - utmpdump add subsecond accuracy test  [Sami Kerola]
tools:
   - add script to load .po from translationproject.org  [Karel Zak]
travis:
   - fix OSX, glibtoolize could not find sed  [Ruediger Meier]
trivial:
   - s/automatical/automatic/g  [Igor Gnatenko]
   - use tabs consistently  [Igor Gnatenko]
ul:
   - Fix buffer overflow  [Tobias Stoeckmann]
umount:
   - add note about FS names differences to the man page  [Karel Zak]
   - cleanup umount.8 about mtab  [Karel Zak]
   - fix obsolete info about loop= in umount.8  [Karel Zak]
utmpdump:
   - use always UTC-0 timezone in textual output  [Sami Kerola]
   - use iso-8601 timestamp format with subsecond accuracy  [Sami Kerola]
uuidd:
   - remove unnecessary pidpile path variable  [Sami Kerola]
wipefs:
   - force GPT detection  [Karel Zak]
write:
   - add control structure to clarify what is going on  [Sami Kerola]
   - don't use strftime()  [Karel Zak]
   - fix setuid related regression  [Wayne Pollock]
   - get rid of function prototypes  [Sami Kerola]
   - improve coding style  [Sami Kerola]
   - improve function and variable names  [Sami Kerola]
   - make timestamp to be obviously just a clock time  [Sami Kerola]
   - remove PUTC macro  [Sami Kerola]
   - remove pointless fileno(3) calls  [Sami Kerola]
   - remove unnecessary utmp variables  [Sami Kerola]
   - remove unused variable  [Sami Kerola]
   - run atexit() checks at the end of execution  [Sami Kerola]
   - set atime value in term_chk() only when needed  [Sami Kerola]
   - stop removing and adding /dev/ in front of tty string  [Sami Kerola]
   - tell when effective gid and tty path group mismatch  [Sami Kerola]
   - use xstrncpy() from strutils.h  [Sami Kerola]

- add control structure to clarify what is going on  [Sami Kerola]
- don't use strftime()  [Karel Zak]
- fix setuid related regression  [Wayne Pollock]
- get rid of function prototypes  [Sami Kerola]
- improve coding style  [Sami Kerola]
- improve function and variable names  [Sami Kerola]
- make timestamp to be obviously just a clock time  [Sami Kerola]
- remove PUTC macro  [Sami Kerola]
- remove pointless fileno(3) calls  [Sami Kerola]
- remove unnecessary utmp variables  [Sami Kerola]
- remove unused variable  [Sami Kerola]
- run atexit() checks at the end of execution  [Sami Kerola]
- set atime value in term_chk() only when needed  [Sami Kerola]
- stop removing and adding /dev/ in front of tty string  [Sami Kerola]
- tell when effective gid and tty path group mismatch  [Sami Kerola]
- use xstrncpy() from strutils.h  [Sami Kerola]