1 files changed, 64 insertions, 0 deletions
diff --git a/main/libc0.9.32/0019-libcrypt-make-crypt-itself-more-modular.patch b/main/libc0.9.32/0019-libcrypt-make-crypt-itself-more-modular.patch
new file mode 100644
index 0000000000..9e8636f95a
--- /dev/null
+++ b/main/libc0.9.32/0019-libcrypt-make-crypt-itself-more-modular.patch
@@ -0,0 +1,64 @@
+From 78f25c8abfc3358a46061772944d30027ceb8288 Mon Sep 17 00:00:00 2001
+From: William Pitcock <nenolod@dereferenced.org>
+Date: Mon, 19 Dec 2011 01:21:33 -0600
+Subject: [PATCH] libcrypt: make crypt() itself more modular
+
+By using a function table, we can more cleanly support new crypt
+implementations, such as SHA256 ($5$) and SHA512 ($6$).
+
+Signed-off-by: William Pitcock <nenolod@dereferenced.org>
+Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
+(cherry picked from commit 40c426ae8f032d794d15f4a7fca8dc17cdc9899d)
+---
+ libcrypt/crypt.c |   30 ++++++++++++++++++++++++------
+ 1 files changed, 24 insertions(+), 6 deletions(-)
+
+diff --git a/libcrypt/crypt.c b/libcrypt/crypt.c
+index 89a2614..33f98b6 100644
+--- a/libcrypt/crypt.c
++++ b/libcrypt/crypt.c
+@@ -8,17 +8,35 @@
+ #define __FORCE_GLIBC
+ #include <crypt.h>
+ #include <unistd.h>
++#include <string.h>
++#include <errno.h>
+ #include "libcrypt.h"
+ 
++typedef char *(*crypt_impl_f)(const unsigned char *pw, const unsigned char *salt);
++
++static const struct {
++	const char *salt_pfx;
++	const crypt_impl_f crypt_impl;
++} crypt_impl_tab[] = {
++	{ "$1$",        __md5_crypt },
++	{ NULL,         __des_crypt },
++};
++
+ char *crypt(const char *key, const char *salt)
+ {
+ 	const unsigned char *ukey = (const unsigned char *)key;
+ 	const unsigned char *usalt = (const unsigned char *)salt;
++	size_t i;
++
++	for (i = 0; i < ARRAY_SIZE(crypt_impl_tab); i++) {
++		if (crypt_impl_tab[i].salt_pfx != NULL &&
++		    strncmp(crypt_impl_tab[i].salt_pfx, salt, strlen(crypt_impl_tab[i].salt_pfx)))
++			continue;
++
++		return crypt_impl_tab[i].crypt_impl(ukey, usalt);
++	}
+ 
+-	/* First, check if we are supposed to be using the MD5 replacement
+-	 * instead of DES...  */
+-	if (salt[0]=='$' && salt[1]=='1' && salt[2]=='$')
+-		return __md5_crypt(ukey, usalt);
+-	else
+-		return __des_crypt(ukey, usalt);
++	/* no crypt implementation was found, set errno to ENOSYS and return NULL */
++	__set_errno(ENOSYS);
++	return NULL;
+ }
+-- 
+1.7.8
+