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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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ioctl(). (This is a thing Android's old mount already does.)
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confusing update-alternatives, the paths of the links installed by toybox should
match those installed by busybox. This is accomplished by changing the flags
of a few tools within toybox.
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Also, xstrdup() the unmodified template because changing the environment string
could make the changed version show up in "ps".
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Include full template in error messages.
Don't report success on failure with -q.
Avoid unnecessary allocation.
Fix "xxxxxx" versus "XXXXXX" confusion.
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The OS mostly catches this for block devices, but calling "mount -a" twice
shouldn't overmount tmpfs entries with new tmpfs instances. (This needs a test
suite entry, and the test suite needs a root context to run in...)
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Probe the default buffer size, replace the constants with FLAG_x macros, add -r,
replace the byte at a time output with a single xwrite(), more comments.
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Android is missing all of these; we need to probe for some so we have
a config symbol to depend on.
sethostname() is easily replaced.
We got termios.h via pty.h; now it's not included in configure-step tools,
so we need termios.h to generate globals.
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analysis, plus occasional tweak by me while reviewing them.
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mount, 2) Don't stop checking filesystem types due to EBUSY, it may mean already mounted by another filesystem type you haven't tried yet.
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add better error reporting.
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