| Commit message (Collapse) | Author | Age | Files | Lines |
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Ondrej Oprala <ooprala@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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The mcookie should reuse existing code, and there is definitely no need
to prefer /dev/random for this utility. See reference for explanation
about later statement.
References: http://www.2uo.de/myths-about-urandom/
Signed-off-by: Sami Kerola <kerolasa@iki.fi>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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* 'common_debug' of https://github.com/ooprala/util-linux:
clean up redundant macros and defines
libfdisk: use include/debug.h
libblkid: use include/debug.h
libmount: further debug.h integration
libcommon: don't mention lib versions in debug macros
libcommon: define more debugging macros
libmount: use macros from include/debug.h
libcommon: add common debugging routines
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Signed-off-by: Ondrej Oprala <ooprala@redhat.com>
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Signed-off-by: Ondrej Oprala <ooprala@redhat.com>
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Signed-off-by: Ondrej Oprala <ooprala@redhat.com>
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Signed-off-by: Ondrej Oprala <ooprala@redhat.com>
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... the code in close_stdout() is sensitive to EPIPE, so
wipe errno is close_stream() is probably bad idea.
Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Note that open_memstream() is POSIX-1.2008, so it's possible than not
all libc have already implemented this function.
Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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[kzak@redhat.com: - move paths to pathnames.h,
- use static path buffer]
Signed-off-by: Ondrej Oprala <ooprala@redhat.com>
Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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On system with /dev/lop-control the udevd creates /dev/loopN nodes.
It seems better to wait a moment after unsuccessful open(/dev/loopN)
and try it to open again.
The problem is pretty visible on systems where udevd also modifies
permission for loopN devices, then open() fails with EACCES when
losetup executed by non-root user (but user who is in "disk" group).
Addresses: https://bugzilla.redhat.com/show_bug.cgi?id=1045432
Signed-off-by: Karel Zak <kzak@redhat.com>
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Let's use nanosleep() although if usleep() exists. The nanosleep
function does no interact with signals and other timers.
The patch introduces xusleep() as replacement to libc (or our fallback)
usleep(). Yes, we don't want to use struct timespec + nanosleep()
everywhere in code as nano-time resolution is useless for us.
The patch also enlarges delays in some busy wait loops. It seems
enough to try read/write 4x per second.
Signed-off-by: Karel Zak <kzak@redhat.com>
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This makes it very convenient to use make use of privileged actions
on CONFIG_USER_NS enabled kernels, without having to manually tinker
with uid_map and gid_map to obtain required credentials (as those
given upon unshare() vanish with call to execve() and lot of userspace
checks for euid==0 anyway).
Usage example:
$ unshare --uts
unshare: unshare failed: Operation not permitted
$ unshare --user --uts
[nfsnobody@odvarok ~]$ hostname swag
hostname: you must be root to change the host name
$ unshare -r --uts
[root@odvarok util-linux]# hostname swag
[root@odvarok util-linux]#
[kzak@redhat.com: - move code to map_id()
- use all-io.h
- add paths to pathnames.h]
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Sami Kerola <kerolasa@iki.fi>
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[kzak@redhat.com: - add also skip_blank(),
- remove duplicate implementation from libmount]
Signed-off-by: Ondrej Oprala <ooprala@redhat.com>
Signed-off-by: Karel Zak <kzak@redhat.com>
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sys/types.h: For u_char typedef
sys/params.h: For MAXNAMLEN
sys/ttydefaults.h: For various tty definitions (also add configure check)
Signed-off-by: Karel Zak <kzak@redhat.com>
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Currently it's maintained as distro specific (or people use impolite
/bin/false way).
Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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This makes struct dos_partition more compatible with the current fdisk
code.
Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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