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git://git.openwrt.org/openwrt/openwrt.git
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ceb625439a
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>
76 lines
1.4 KiB
Diff
76 lines
1.4 KiB
Diff
--- a/src/crypt/crypt_sha512.c
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+++ b/src/crypt/crypt_sha512.c
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@@ -13,6 +13,17 @@
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#include <string.h>
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#include <stdint.h>
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+#ifdef CRYPT_SIZE_HACK
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+#include <errno.h>
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+
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+char *__crypt_sha512(const char *key, const char *setting, char *output)
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+{
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+ errno = ENOSYS;
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+ return NULL;
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+}
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+
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+#else
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+
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/* public domain sha512 implementation based on fips180-3 */
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/* >=2^64 bits messages are not supported (about 2000 peta bytes) */
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@@ -369,3 +380,4 @@ char *__crypt_sha512(const char *key, co
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return "*";
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return p;
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}
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+#endif
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--- a/src/crypt/crypt_blowfish.c
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+++ b/src/crypt/crypt_blowfish.c
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@@ -50,6 +50,17 @@
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#include <string.h>
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#include <stdint.h>
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+#ifdef CRYPT_SIZE_HACK
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+#include <errno.h>
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+
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+char *__crypt_blowfish(const char *key, const char *setting, char *output)
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+{
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+ errno = ENOSYS;
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+ return NULL;
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+}
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+
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+#else
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+
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typedef uint32_t BF_word;
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typedef int32_t BF_word_signed;
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@@ -796,3 +807,4 @@ char *__crypt_blowfish(const char *key,
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return "*";
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}
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+#endif
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--- a/src/crypt/crypt_sha256.c
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+++ b/src/crypt/crypt_sha256.c
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@@ -13,6 +13,17 @@
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#include <string.h>
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#include <stdint.h>
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+#ifdef CRYPT_SIZE_HACK
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+#include <errno.h>
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+
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+char *__crypt_sha256(const char *key, const char *setting, char *output)
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+{
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+ errno = ENOSYS;
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+ return NULL;
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+}
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+
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+#else
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+
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/* public domain sha256 implementation based on fips180-3 */
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struct sha256 {
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@@ -320,3 +331,4 @@ char *__crypt_sha256(const char *key, co
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return "*";
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return p;
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}
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+#endif
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