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I realized (after being questioned about my motivation) that I hadn't
added a test for the -u behavior. Adding the missing test confirmed the
usual "if there isn't a test, the code is broken", but now I think I
actually understand how we're supposed to choose between DIR, $TMPDIR,
and /tmp. I've added more tests to back this up, and rewritten the code
one more time so that we pass all the tests.
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Old versions of glibc had warn_unused_result on mktemp(3), despite it
always returning its argument. Still, we can silence the warning and
save a line, so...
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The new tests pass on the host (coreutils 8.28) and with toybox after
this patch is applied.
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bionic, glibc, macOS, and musl all have strcasestr
(see http://man7.org/linux/man-pages/man3/strstr.3.html).
macOS (via BSD) has a strnstr that does what strnstr sounds like it
should do by analogy with strnlen and strncpy.
So we at least need to rename strnstr, but it probably makes more sense
just to switch to strcasestr instead.
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At least the AOSP build doesn't try to _set_ the hostname...
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Josh Gao hit a case where "seq 1000000 1000001" output 1e+06, and while he
was there changed several things to work like existing seq implementations.
I changed a couple back (commenting out the test cases) until somebody
came come up with a reason (or existing use case) to do it that way.
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flag doesn't get set right otherwise and it tries to overmount instead.
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to unify the two codepaths in Elliott's rewrite.
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I never use these, so I didn't notice I'd broken them until someone who
does bringup complained.
The "one weird trick" with SEEK_DATA is documented at the URL we already
point to. SEEK_DATA was added in Linux 3.1 (2011) and isn't available in
glibc 2.19 (2014), so I've added that to "portability.h" for the benefit
of Ubuntu 14.04.
Also make -c and -C mutually exclusive.
Also fix some of the formatting I introduced earlier. (A clang-format file
would help prevent these mistakes...)
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from incrementing by a double.
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Annoyingly, this means writing a new dmesg implementation that uses /dev/kmsg
rather than the klogctl system call. Worse, pre-3.5 kernels don't support
that, so we need to keep the old implementation around as long as we still
care about those kernels.
Since I'm here, add the fancy colors from modern dmesg and the -C flag.
Tested on Nexus 9's 3.10 kernel, an Ubuntu 3.13 kernel, and the
Nexus One's 2.6.35 kernel.
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a patch from Elliott Hughes, who said:
[PATCH] Add support for libcrypto for MD5/SHA.
Orders of magnitude faster (for architectures where OpenSSL/BoringSSL
has optimized assembler).
Also adds sha224sum, sha256sum, sha384sum, and sha512sum for folks
building with libcrypto.
The fallback portable C implementations could easily be refactored
to be API-compatible, but I don't know whether they'd stay here or
move to lib/ so I've left that part alone for now.
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These arguments are required to correctly set the hostname at boot time. They
are used by the '/etc/init.d/hostname.sh' init script in an OpenEmbedded system.
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major/minor/makedev, but glibc has vowed to break existing programs
(https://sourceware.org/ml/libc-alpha/2015-11/msg00253.html)
and replace it with _another_ non-standard header (not in posix or lsb),
so let's just add functions to lib/ that do the transform ourselves.
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for 2-argument version.
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This adds the missing "relatime" option, fixes error handling logic (mount
returns 0/-1, not an errno value, and I at least get EACCES rather than
EROFS in the case where the underlying block device is read-only; we should
also probably only try again if the ioctl actually succeeded), and adds the
missing newline in case where we go around and try again read-only.
The test case was "mount -o rw,remount /system" on Android.
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the deeply sad passwd heuristics that don't even check numbers and punctuation.
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checking, and fix up format checking complaints.
Added out(type, value) function to stat to avoid a zillion printf typecasts.
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"mktemp -u > /dev/full" leave file around.
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The -u flag creates a file, and unlinks it before exiting.
This is usually known as "unsafe mode", or "dry-run" mode.
GNU mktemp has it, as does Busybox's mktemp and likely many others.
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This fixes the build break, the change to yesno() prototype accidentally got
checked in last commit. (Oops, sorry.)
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before saving, the updates don't go in the commit. Behavior difference
between git and mercurial, that.
Good to know.
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The most likely reason for setfscreatecon to fail is that you don't have permission, and that's reported by the write return EACCES. There isn't really a "bad" context; they're just strings.
Before:
$ adb shell mkdir -Z x y
mkdir: bad -Z 'x'
After:
$ adb shell mkdir -Z x y
mkdir: -Z 'x' failed: Permission denied
Other than this, the ToT mkdir works fine with SELinux.
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racy gap between create/label.
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Change-Id: I23174fb7b54d029784e6d7460368128113090079
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Use perror_exit to show the likely "Operation not permitted" if klogctl fails.
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