Jo-Philipp Wich 1211832977 busybox: handle crypt() errors in loginutils
The crypt(3) function is allowed to fail with either EINVAL or ENOSYS when
the given salt is either invalid or when the requested algorithm is not
implemented.

In such a case, libbb's pw_encrypt() function will silently convert the
crypt() NULL return value into an empty string which is then processed
without further errors by utilities such as chpasswd or passwd, causing
them to set an empty password when an unsupported cipher is requested.

Patch the relevant users of pw_encrypt() to abort in case an empty hash
is returned by pw_encrypt() in order to mitigate the problem.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>
2019-01-22 12:08:00 +01:00
2019-01-07 17:09:06 +01:00
2018-08-25 11:10:28 +02:00
2018-07-08 12:05:16 +01:00
2018-11-29 12:33:15 +01:00

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          |__| W I R E L E S S   F R E E D O M
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This is the buildsystem for the OpenWrt Linux distribution.

To build your own firmware you need a Linux, BSD or MacOSX system (case
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You need gcc, binutils, bzip2, flex, python, perl, make, find, grep, diff,
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1. Run "./scripts/feeds update -a" to obtain all the latest package definitions
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2. Run "./scripts/feeds install -a" to install symlinks for all obtained
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the cross-compile toolchain and then cross-compile the Linux kernel & all
chosen applications for your target system.

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