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Instead of silently downgrading any non-MD5 crypt() request to DES, cleanly fail with return NULL and errno = ENOSYS. This allows callers to notice the missing support instead of the unwanted silent fallback to DES. Also add a menuconfig toolchain option to optionally disable the crypt size hack completely. This can be probably made dependant on SMALL_FLASH or a similar feature indicator in a future commit. Ref: https://github.com/openwrt/openwrt/pull/1331 Signed-off-by: Jo-Philipp Wich <jo@mein.io>
13 lines
609 B
Plaintext
13 lines
609 B
Plaintext
# Password crypt stubbing
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config MUSL_DISABLE_CRYPT_SIZE_HACK
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bool "Include crypt() support for SHA256, SHA512 and Blowfish ciphers"
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depends on TOOLCHAINOPTS && USE_MUSL && !EXTERNAL_TOOLCHAIN
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default n
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help
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Enable this option to re-include crypt() support for the SHA256, SHA512 and
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Blowfish ciphers. Without this option, attempting to hash a string with a salt
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requesting one of these ciphers will cause the crypt() function to call stub
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implementations which will always fail with errno ENOSYS. Including the ciphers
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will increase the library size by about 14KB after LZMA compression.
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