up to 1.20.11 (fixes CVE-2021-3472)

[packages/xorg-xserver-server.git] / xorg-xserver-server-builtin-SHA1.patch

diff -urN xorg-server-1.17.0.org/configure.ac xorg-server-1.17.0/configure.ac
--- xorg-server-1.17.0.org/configure.ac	2015-02-02 07:40:17.000000000 +0100
+++ xorg-server-1.17.0/configure.ac	2015-02-04 19:34:23.458568095 +0100
@@ -1544,7 +1544,7 @@
 
 if test "x$SPECIAL_DTRACE_OBJECTS" = "xyes" ; then
   DIX_LIB='$(top_builddir)/dix/dix.O'
-  OS_LIB='$(top_builddir)/os/os.O $(SHA1_LIBS) $(DLOPEN_LIBS) $(LIBUNWIND_LIBS)'
+  OS_LIB='$(top_builddir)/os/os.O $(DLOPEN_LIBS) $(LIBUNWIND_LIBS)'
 else
   DIX_LIB='$(top_builddir)/dix/libdix.la'
   OS_LIB='$(top_builddir)/os/libos.la'
@@ -1566,124 +1566,6 @@
 MIEXT_SYNC_LIB='$(top_builddir)/miext/sync/libsync.la'
 CORE_INCS='-I$(top_srcdir)/include -I$(top_builddir)/include'
 
-# SHA1 hashing
-AC_ARG_WITH([sha1],
-            [AS_HELP_STRING([--with-sha1=libc|libmd|libnettle|libgcrypt|libcrypto|libsha1|CommonCrypto|CryptoAPI],
-                            [choose SHA1 implementation])])
-AC_CHECK_FUNC([SHA1Init], [HAVE_SHA1_IN_LIBC=yes])
-if test "x$with_sha1" = x && test "x$HAVE_SHA1_IN_LIBC" = xyes; then
-	with_sha1=libc
-fi
-if test "x$with_sha1" = xlibc && test "x$HAVE_SHA1_IN_LIBC" != xyes; then
-	AC_MSG_ERROR([libc requested but not found])
-fi
-if test "x$with_sha1" = xlibc; then
-	AC_DEFINE([HAVE_SHA1_IN_LIBC], [1],
-		[Use libc SHA1 functions])
-	SHA1_LIBS=""
-fi
-AC_CHECK_FUNC([CC_SHA1_Init], [HAVE_SHA1_IN_COMMONCRYPTO=yes])
-if test "x$with_sha1" = x && test "x$HAVE_SHA1_IN_COMMONCRYPTO" = xyes; then
-	with_sha1=CommonCrypto
-fi
-if test "x$with_sha1" = xCommonCrypto && test "x$HAVE_SHA1_IN_COMMONCRYPTO" != xyes; then
-	AC_MSG_ERROR([CommonCrypto requested but not found])
-fi
-if test "x$with_sha1" = xCommonCrypto; then
-	AC_DEFINE([HAVE_SHA1_IN_COMMONCRYPTO], [1],
-		[Use CommonCrypto SHA1 functions])
-	SHA1_LIBS=""
-fi
-dnl stdcall functions cannot be tested with AC_CHECK_LIB
-AC_CHECK_HEADER([wincrypt.h], [HAVE_SHA1_IN_CRYPTOAPI=yes], [], [#include <windows.h>])
-if test "x$with_sha1" = x && test "x$HAVE_SHA1_IN_CRYPTOAPI" = xyes; then
-	with_sha1=CryptoAPI
-fi
-if test "x$with_sha1" = xCryptoAPI && test "x$HAVE_SHA1_IN_CRYPTOAPI" != xyes; then
-	AC_MSG_ERROR([CryptoAPI requested but not found])
-fi
-if test "x$with_sha1" = xCryptoAPI; then
-	AC_DEFINE([HAVE_SHA1_IN_CRYPTOAPI], [1],
-		[Use CryptoAPI SHA1 functions])
-	SHA1_LIBS=""
-fi
-AC_CHECK_LIB([md], [SHA1Init], [HAVE_LIBMD=yes])
-if test "x$with_sha1" = x && test "x$HAVE_LIBMD" = xyes; then
-	with_sha1=libmd
-fi
-if test "x$with_sha1" = xlibmd && test "x$HAVE_LIBMD" != xyes; then
-	AC_MSG_ERROR([libmd requested but not found])
-fi
-if test "x$with_sha1" = xlibmd; then
-	AC_DEFINE([HAVE_SHA1_IN_LIBMD], [1],
-	          [Use libmd SHA1 functions])
-	SHA1_LIBS=-lmd
-fi
-PKG_CHECK_MODULES([LIBSHA1], [libsha1], [HAVE_LIBSHA1=yes], [HAVE_LIBSHA1=no])
-if test "x$with_sha1" = x && test "x$HAVE_LIBSHA1" = xyes; then
-   with_sha1=libsha1
-fi
-if test "x$with_sha1" = xlibsha1 && test "x$HAVE_LIBSHA1" != xyes; then
-	AC_MSG_ERROR([libsha1 requested but not found])
-fi
-if test "x$with_sha1" = xlibsha1; then
-	AC_DEFINE([HAVE_SHA1_IN_LIBSHA1], [1],
-	          [Use libsha1 for SHA1])
-	SHA1_LIBS=-lsha1
-fi
-AC_CHECK_LIB([nettle], [nettle_sha1_init], [HAVE_LIBNETTLE=yes])
-if test "x$with_sha1" = x && test "x$HAVE_LIBNETTLE" = xyes; then
-	with_sha1=libnettle
-fi
-if test "x$with_sha1" = xlibnettle && test "x$HAVE_LIBNETTLE" != xyes; then
-	AC_MSG_ERROR([libnettle requested but not found])
-fi
-if test "x$with_sha1" = xlibnettle; then
-	AC_DEFINE([HAVE_SHA1_IN_LIBNETTLE], [1],
-	          [Use libnettle SHA1 functions])
-	SHA1_LIBS=-lnettle
-fi
-AC_CHECK_LIB([gcrypt], [gcry_md_open], [HAVE_LIBGCRYPT=yes])
-if test "x$with_sha1" = x && test "x$HAVE_LIBGCRYPT" = xyes; then
-	with_sha1=libgcrypt
-fi
-if test "x$with_sha1" = xlibgcrypt && test "x$HAVE_LIBGCRYPT" != xyes; then
-	AC_MSG_ERROR([libgcrypt requested but not found])
-fi
-if test "x$with_sha1" = xlibgcrypt; then
-	AC_DEFINE([HAVE_SHA1_IN_LIBGCRYPT], [1],
-	          [Use libgcrypt SHA1 functions])
-	SHA1_LIBS=-lgcrypt
-fi
-# We don't need all of the OpenSSL libraries, just libcrypto
-AC_CHECK_LIB([crypto], [SHA1_Init], [HAVE_LIBCRYPTO=yes])
-PKG_CHECK_MODULES([OPENSSL], [openssl], [HAVE_OPENSSL_PKC=yes],
-                  [HAVE_OPENSSL_PKC=no])
-if test "x$HAVE_LIBCRYPTO" = xyes || test "x$HAVE_OPENSSL_PKC" = xyes; then
-	if test "x$with_sha1" = x; then
-		with_sha1=libcrypto
-	fi
-else
-	if test "x$with_sha1" = xlibcrypto; then
-		AC_MSG_ERROR([OpenSSL libcrypto requested but not found])
-	fi
-fi
-if test "x$with_sha1" = xlibcrypto; then
-	if test "x$HAVE_LIBCRYPTO" = xyes; then
-		SHA1_LIBS=-lcrypto
-	else
-		SHA1_LIBS="$OPENSSL_LIBS"
-		SHA1_CFLAGS="$OPENSSL_CFLAGS"
-	fi
-fi
-AC_MSG_CHECKING([for SHA1 implementation])
-if test "x$with_sha1" = x; then
-	AC_MSG_ERROR([No suitable SHA1 implementation found])
-fi
-AC_MSG_RESULT([$with_sha1])
-AC_SUBST(SHA1_LIBS)
-AC_SUBST(SHA1_CFLAGS)
-
 PKG_CHECK_MODULES([XSERVERCFLAGS], [$REQUIRED_MODULES $REQUIRED_LIBS])
 PKG_CHECK_MODULES([XSERVERLIBS], [$REQUIRED_LIBS])
 
diff -urN xorg-server-1.17.0.org/include/dix-config.h.in xorg-server-1.17.0/include/dix-config.h.in
--- xorg-server-1.17.0.org/include/dix-config.h.in	2014-10-09 14:15:31.000000000 +0200
+++ xorg-server-1.17.0/include/dix-config.h.in	2015-02-04 19:34:23.455234679 +0100
@@ -152,27 +152,6 @@
 /* Define to 1 if you have the `arc4random_buf' function. */
 #undef HAVE_ARC4RANDOM_BUF
 
-/* Define to use libc SHA1 functions */
-#undef HAVE_SHA1_IN_LIBC
-
-/* Define to use CommonCrypto SHA1 functions */
-#undef HAVE_SHA1_IN_COMMONCRYPTO
-
-/* Define to use CryptoAPI SHA1 functions */
-#undef HAVE_SHA1_IN_CRYPTOAPI
-
-/* Define to use libmd SHA1 functions */
-#undef HAVE_SHA1_IN_LIBMD
-
-/* Define to use libgcrypt SHA1 functions */
-#undef HAVE_SHA1_IN_LIBGCRYPT
-
-/* Define to use libnettle SHA1 functions */
-#undef HAVE_SHA1_IN_LIBNETTLE
-
-/* Define to use libsha1 for SHA1 */
-#undef HAVE_SHA1_IN_LIBSHA1
-
 /* Define to 1 if you have the `shmctl64' function. */
 #undef HAVE_SHMCTL64
 
diff -urN xorg-server-1.17.0.org/os/Makefile.am xorg-server-1.17.0/os/Makefile.am
--- xorg-server-1.17.0.org/os/Makefile.am	2013-11-12 00:15:00.000000000 +0100
+++ xorg-server-1.17.0/os/Makefile.am	2015-02-04 19:34:23.455234679 +0100
@@ -21,7 +21,6 @@
 	ospoll.h	\
 	utils.c		\
 	xdmauth.c	\
-	xsha1.c		\
 	xstrans.c	\
 	xprintf.c	\
 	$(XORG_SRCS)
diff -urN xorg-server-1.17.0.org/os/xsha1.c xorg-server-1.17.0/os/xsha1.c
--- xorg-server-1.17.0.org/os/xsha1.c	2015-01-18 00:42:52.000000000 +0100
+++ xorg-server-1.17.0/os/xsha1.c	2015-02-04 19:34:23.455234679 +0100
@@ -23,270 +23,3 @@
  * DEALINGS IN THE SOFTWARE.
  */
 
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include "os.h"
-#include "xsha1.h"
-
-#if defined(HAVE_SHA1_IN_LIBMD)  /* Use libmd for SHA1 */ \
-	|| defined(HAVE_SHA1_IN_LIBC)   /* Use libc for SHA1 */
-
-#include <sha1.h>
-
-void *
-x_sha1_init(void)
-{
-    SHA1_CTX *ctx = malloc(sizeof(*ctx));
-
-    if (!ctx)
-        return NULL;
-    SHA1Init(ctx);
-    return ctx;
-}
-
-int
-x_sha1_update(void *ctx, void *data, int size)
-{
-    SHA1_CTX *sha1_ctx = ctx;
-
-    SHA1Update(sha1_ctx, data, size);
-    return 1;
-}
-
-int
-x_sha1_final(void *ctx, unsigned char result[20])
-{
-    SHA1_CTX *sha1_ctx = ctx;
-
-    SHA1Final(result, sha1_ctx);
-    free(sha1_ctx);
-    return 1;
-}
-
-#elif defined(HAVE_SHA1_IN_COMMONCRYPTO)        /* Use CommonCrypto for SHA1 */
-
-#include <CommonCrypto/CommonDigest.h>
-
-void *
-x_sha1_init(void)
-{
-    CC_SHA1_CTX *ctx = malloc(sizeof(*ctx));
-
-    if (!ctx)
-        return NULL;
-    CC_SHA1_Init(ctx);
-    return ctx;
-}
-
-int
-x_sha1_update(void *ctx, void *data, int size)
-{
-    CC_SHA1_CTX *sha1_ctx = ctx;
-
-    CC_SHA1_Update(sha1_ctx, data, size);
-    return 1;
-}
-
-int
-x_sha1_final(void *ctx, unsigned char result[20])
-{
-    CC_SHA1_CTX *sha1_ctx = ctx;
-
-    CC_SHA1_Final(result, sha1_ctx);
-    free(sha1_ctx);
-    return 1;
-}
-
-#elif defined(HAVE_SHA1_IN_CRYPTOAPI)        /* Use CryptoAPI for SHA1 */
-
-#define WIN32_LEAN_AND_MEAN
-#include <X11/Xwindows.h>
-#include <wincrypt.h>
-
-static HCRYPTPROV hProv;
-
-void *
-x_sha1_init(void)
-{
-    HCRYPTHASH *ctx = malloc(sizeof(*ctx));
-
-    if (!ctx)
-        return NULL;
-    CryptAcquireContext(&hProv, NULL, MS_DEF_PROV, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT);
-    CryptCreateHash(hProv, CALG_SHA1, 0, 0, ctx);
-    return ctx;
-}
-
-int
-x_sha1_update(void *ctx, void *data, int size)
-{
-    HCRYPTHASH *hHash = ctx;
-
-    CryptHashData(*hHash, data, size, 0);
-    return 1;
-}
-
-int
-x_sha1_final(void *ctx, unsigned char result[20])
-{
-    HCRYPTHASH *hHash = ctx;
-    DWORD len = 20;
-
-    CryptGetHashParam(*hHash, HP_HASHVAL, result, &len, 0);
-    CryptDestroyHash(*hHash);
-    CryptReleaseContext(hProv, 0);
-    free(ctx);
-    return 1;
-}
-
-#elif defined(HAVE_SHA1_IN_LIBNETTLE)   /* Use libnettle for SHA1 */
-
-#include <nettle/sha.h>
-
-void *
-x_sha1_init(void)
-{
-    struct sha1_ctx *ctx = malloc(sizeof(*ctx));
-
-    if (!ctx)
-        return NULL;
-    sha1_init(ctx);
-    return ctx;
-}
-
-int
-x_sha1_update(void *ctx, void *data, int size)
-{
-    sha1_update(ctx, size, data);
-    return 1;
-}
-
-int
-x_sha1_final(void *ctx, unsigned char result[20])
-{
-    sha1_digest(ctx, 20, result);
-    free(ctx);
-    return 1;
-}
-
-#elif defined(HAVE_SHA1_IN_LIBGCRYPT)   /* Use libgcrypt for SHA1 */
-
-#include <gcrypt.h>
-
-void *
-x_sha1_init(void)
-{
-    static int init;
-    gcry_md_hd_t h;
-    gcry_error_t err;
-
-    if (!init) {
-        if (!gcry_check_version(NULL))
-            return NULL;
-        gcry_control(GCRYCTL_DISABLE_SECMEM, 0);
-        gcry_control(GCRYCTL_INITIALIZATION_FINISHED, 0);
-        init = 1;
-    }
-
-    err = gcry_md_open(&h, GCRY_MD_SHA1, 0);
-    if (err)
-        return NULL;
-    return h;
-}
-
-int
-x_sha1_update(void *ctx, void *data, int size)
-{
-    gcry_md_hd_t h = ctx;
-
-    gcry_md_write(h, data, size);
-    return 1;
-}
-
-int
-x_sha1_final(void *ctx, unsigned char result[20])
-{
-    gcry_md_hd_t h = ctx;
-
-    memcpy(result, gcry_md_read(h, GCRY_MD_SHA1), 20);
-    gcry_md_close(h);
-    return 1;
-}
-
-#elif defined(HAVE_SHA1_IN_LIBSHA1)     /* Use libsha1 */
-
-#include <libsha1.h>
-
-void *
-x_sha1_init(void)
-{
-    sha1_ctx *ctx = malloc(sizeof(*ctx));
-
-    if (!ctx)
-        return NULL;
-    sha1_begin(ctx);
-    return ctx;
-}
-
-int
-x_sha1_update(void *ctx, void *data, int size)
-{
-    sha1_hash(data, size, ctx);
-    return 1;
-}
-
-int
-x_sha1_final(void *ctx, unsigned char result[20])
-{
-    sha1_end(result, ctx);
-    free(ctx);
-    return 1;
-}
-
-#else                           /* Use OpenSSL's libcrypto */
-
-#include <stddef.h>             /* buggy openssl/sha.h wants size_t */
-#include <openssl/sha.h>
-
-void *
-x_sha1_init(void)
-{
-    int ret;
-    SHA_CTX *ctx = malloc(sizeof(*ctx));
-
-    if (!ctx)
-        return NULL;
-    ret = SHA1_Init(ctx);
-    if (!ret) {
-        free(ctx);
-        return NULL;
-    }
-    return ctx;
-}
-
-int
-x_sha1_update(void *ctx, void *data, int size)
-{
-    int ret;
-    SHA_CTX *sha_ctx = ctx;
-
-    ret = SHA1_Update(sha_ctx, data, size);
-    if (!ret)
-        free(sha_ctx);
-    return ret;
-}
-
-int
-x_sha1_final(void *ctx, unsigned char result[20])
-{
-    int ret;
-    SHA_CTX *sha_ctx = ctx;
-
-    ret = SHA1_Final(result, sha_ctx);
-    free(sha_ctx);
-    return ret;
-}
-
-#endif
diff -urN xorg-server-1.17.0.org/render/glyph.c xorg-server-1.17.0/render/glyph.c
--- xorg-server-1.17.0.org/render/glyph.c	2015-01-18 00:42:52.000000000 +0100
+++ xorg-server-1.17.0/render/glyph.c	2015-02-04 19:34:23.458568095 +0100
@@ -26,8 +26,7 @@
 #include <dix-config.h>
 #endif
 
-#include "xsha1.h"
-
+#include "sha1.h"
 #include "misc.h"
 #include "scrnintstr.h"
 #include "os.h"
@@ -165,21 +164,13 @@
 HashGlyph(xGlyphInfo * gi,
           CARD8 *bits, unsigned long size, unsigned char sha1[20])
 {
-    void *ctx = x_sha1_init();
-    int success;
+    SHA1_CTX ctx;
 
-    if (!ctx)
-        return BadAlloc;
+    SHA1Init (&ctx);
+    SHA1Update (&ctx, gi, sizeof (xGlyphInfo));
+    SHA1Update (&ctx, bits, size);
+    SHA1Final (sha1, &ctx);
 
-    success = x_sha1_update(ctx, gi, sizeof(xGlyphInfo));
-    if (!success)
-        return BadAlloc;
-    success = x_sha1_update(ctx, bits, size);
-    if (!success)
-        return BadAlloc;
-    success = x_sha1_final(ctx, sha1);
-    if (!success)
-        return BadAlloc;
     return Success;
 }
 
diff -urN xorg-server-1.17.0.org/render/Makefile.am xorg-server-1.17.0/render/Makefile.am
--- xorg-server-1.17.0.org/render/Makefile.am	2013-06-18 18:03:42.000000000 +0200
+++ xorg-server-1.17.0/render/Makefile.am	2015-02-04 19:34:23.455234679 +0100
@@ -13,8 +13,11 @@
 	mitrap.c	\
 	mitri.c		\
 	picture.c	\
+	sha1.c		\
 	render.c
 
 if XORG
 sdk_HEADERS = picture.h mipict.h glyphstr.h picturestr.h
 endif
+
+EXTRA_DIST = sha1.h
diff -urN xorg-server-1.17.0.org/render/sha1.c xorg-server-1.17.0/render/sha1.c
--- xorg-server-1.17.0.org/render/sha1.c	1970-01-01 01:00:00.000000000 +0100
+++ xorg-server-1.17.0/render/sha1.c	2015-02-04 19:34:23.458568095 +0100
@@ -0,0 +1,173 @@
+/*
+ * SHA-1 in C
+ * By Steve Reid <steve@edmweb.com>
+ * 100% Public Domain
+ *
+ * Test Vectors (from FIPS PUB 180-1)
+ * "abc"
+ *   A9993E36 4706816A BA3E2571 7850C26C 9CD0D89D
+ * "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"
+ *   84983E44 1C3BD26E BAAE4AA1 F95129E5 E54670F1
+ * A million repetitions of "a"
+ *   34AA973C D4C4DAA4 F61EEB2B DBAD2731 6534016F
+ */
+
+#include <sys/param.h>
+#include <string.h>
+#include <sha1.h>
+
+#define rol(value, bits) (((value) << (bits)) | ((value) >> (32 - (bits))))
+
+/*
+ * blk0() and blk() perform the initial expand.
+ * I got the idea of expanding during the round function from SSLeay
+ */
+#if BYTE_ORDER == LITTLE_ENDIAN
+# define blk0(i) (block->l[i] = (rol(block->l[i],24)&0xFF00FF00) \
+    |(rol(block->l[i],8)&0x00FF00FF))
+#else
+# define blk0(i) block->l[i]
+#endif
+#define blk(i) (block->l[i&15] = rol(block->l[(i+13)&15]^block->l[(i+8)&15] \
+    ^block->l[(i+2)&15]^block->l[i&15],1))
+
+/*
+ * (R0+R1), R2, R3, R4 are the different operations (rounds) used in SHA1
+ */
+#define R0(v,w,x,y,z,i) z+=((w&(x^y))^y)+blk0(i)+0x5A827999+rol(v,5);w=rol(w,30);
+#define R1(v,w,x,y,z,i) z+=((w&(x^y))^y)+blk(i)+0x5A827999+rol(v,5);w=rol(w,30);
+#define R2(v,w,x,y,z,i) z+=(w^x^y)+blk(i)+0x6ED9EBA1+rol(v,5);w=rol(w,30);
+#define R3(v,w,x,y,z,i) z+=(((w|x)&y)|(w&x))+blk(i)+0x8F1BBCDC+rol(v,5);w=rol(w,30);
+#define R4(v,w,x,y,z,i) z+=(w^x^y)+blk(i)+0xCA62C1D6+rol(v,5);w=rol(w,30);
+
+/*
+ * Hash a single 512-bit block. This is the core of the algorithm.
+ */
+void
+SHA1Transform(uint32_t state[5], const uint8_t buffer[SHA1_BLOCK_LENGTH])
+{
+	uint32_t a, b, c, d, e;
+	uint8_t workspace[SHA1_BLOCK_LENGTH];
+	typedef union {
+		uint8_t c[64];
+		uint32_t l[16];
+	} CHAR64LONG16;
+	CHAR64LONG16 *block = (CHAR64LONG16 *)workspace;
+
+	(void)memcpy(block, buffer, SHA1_BLOCK_LENGTH);
+
+	/* Copy context->state[] to working vars */
+	a = state[0];
+	b = state[1];
+	c = state[2];
+	d = state[3];
+	e = state[4];
+
+	/* 4 rounds of 20 operations each. Loop unrolled. */
+	R0(a,b,c,d,e, 0); R0(e,a,b,c,d, 1); R0(d,e,a,b,c, 2); R0(c,d,e,a,b, 3);
+	R0(b,c,d,e,a, 4); R0(a,b,c,d,e, 5); R0(e,a,b,c,d, 6); R0(d,e,a,b,c, 7);
+	R0(c,d,e,a,b, 8); R0(b,c,d,e,a, 9); R0(a,b,c,d,e,10); R0(e,a,b,c,d,11);
+	R0(d,e,a,b,c,12); R0(c,d,e,a,b,13); R0(b,c,d,e,a,14); R0(a,b,c,d,e,15);
+	R1(e,a,b,c,d,16); R1(d,e,a,b,c,17); R1(c,d,e,a,b,18); R1(b,c,d,e,a,19);
+	R2(a,b,c,d,e,20); R2(e,a,b,c,d,21); R2(d,e,a,b,c,22); R2(c,d,e,a,b,23);
+	R2(b,c,d,e,a,24); R2(a,b,c,d,e,25); R2(e,a,b,c,d,26); R2(d,e,a,b,c,27);
+	R2(c,d,e,a,b,28); R2(b,c,d,e,a,29); R2(a,b,c,d,e,30); R2(e,a,b,c,d,31);
+	R2(d,e,a,b,c,32); R2(c,d,e,a,b,33); R2(b,c,d,e,a,34); R2(a,b,c,d,e,35);
+	R2(e,a,b,c,d,36); R2(d,e,a,b,c,37); R2(c,d,e,a,b,38); R2(b,c,d,e,a,39);
+	R3(a,b,c,d,e,40); R3(e,a,b,c,d,41); R3(d,e,a,b,c,42); R3(c,d,e,a,b,43);
+	R3(b,c,d,e,a,44); R3(a,b,c,d,e,45); R3(e,a,b,c,d,46); R3(d,e,a,b,c,47);
+	R3(c,d,e,a,b,48); R3(b,c,d,e,a,49); R3(a,b,c,d,e,50); R3(e,a,b,c,d,51);
+	R3(d,e,a,b,c,52); R3(c,d,e,a,b,53); R3(b,c,d,e,a,54); R3(a,b,c,d,e,55);
+	R3(e,a,b,c,d,56); R3(d,e,a,b,c,57); R3(c,d,e,a,b,58); R3(b,c,d,e,a,59);
+	R4(a,b,c,d,e,60); R4(e,a,b,c,d,61); R4(d,e,a,b,c,62); R4(c,d,e,a,b,63);
+	R4(b,c,d,e,a,64); R4(a,b,c,d,e,65); R4(e,a,b,c,d,66); R4(d,e,a,b,c,67);
+	R4(c,d,e,a,b,68); R4(b,c,d,e,a,69); R4(a,b,c,d,e,70); R4(e,a,b,c,d,71);
+	R4(d,e,a,b,c,72); R4(c,d,e,a,b,73); R4(b,c,d,e,a,74); R4(a,b,c,d,e,75);
+	R4(e,a,b,c,d,76); R4(d,e,a,b,c,77); R4(c,d,e,a,b,78); R4(b,c,d,e,a,79);
+
+	/* Add the working vars back into context.state[] */
+	state[0] += a;
+	state[1] += b;
+	state[2] += c;
+	state[3] += d;
+	state[4] += e;
+
+	/* Wipe variables */
+	a = b = c = d = e = 0;
+}
+
+
+/*
+ * SHA1Init - Initialize new context
+ */
+void
+SHA1Init(SHA1_CTX *context)
+{
+
+	/* SHA1 initialization constants */
+	context->count = 0;
+	context->state[0] = 0x67452301;
+	context->state[1] = 0xEFCDAB89;
+	context->state[2] = 0x98BADCFE;
+	context->state[3] = 0x10325476;
+	context->state[4] = 0xC3D2E1F0;
+}
+
+
+/*
+ * Run your data through this.
+ */
+void
+SHA1Update(SHA1_CTX *context, const uint8_t *data, size_t len)
+{
+	size_t i, j;
+
+	j = (size_t)((context->count >> 3) & 63);
+	context->count += (len << 3);
+	if ((j + len) > 63) {
+		(void)memcpy(&context->buffer[j], data, (i = 64-j));
+		SHA1Transform(context->state, context->buffer);
+		for ( ; i + 63 < len; i += 64)
+			SHA1Transform(context->state, (uint8_t *)&data[i]);
+		j = 0;
+	} else {
+		i = 0;
+	}
+	(void)memcpy(&context->buffer[j], &data[i], len - i);
+}
+
+
+/*
+ * Add padding and return the message digest.
+ */
+void
+SHA1Pad(SHA1_CTX *context)
+{
+	uint8_t finalcount[8];
+	uint i;
+
+	for (i = 0; i < 8; i++) {
+		finalcount[i] = (uint8_t)((context->count >>
+		    ((7 - (i & 7)) * 8)) & 255);	/* Endian independent */
+	}
+	SHA1Update(context, (uint8_t *)"\200", 1);
+	while ((context->count & 504) != 448)
+		SHA1Update(context, (uint8_t *)"\0", 1);
+	SHA1Update(context, finalcount, 8); /* Should cause a SHA1Transform() */
+}
+
+void
+SHA1Final(uint8_t digest[SHA1_DIGEST_LENGTH], SHA1_CTX *context)
+{
+	uint i;
+
+	SHA1Pad(context);
+	if (digest) {
+		for (i = 0; i < SHA1_DIGEST_LENGTH; i++) {
+			digest[i] = (uint8_t)
+			   ((context->state[i>>2] >> ((3-(i & 3)) * 8) ) & 255);
+		}
+		memset(context, 0, sizeof(*context));
+	}
+}
+
diff -urN xorg-server-1.17.0.org/render/sha1.h xorg-server-1.17.0/render/sha1.h
--- xorg-server-1.17.0.org/render/sha1.h	1970-01-01 01:00:00.000000000 +0100
+++ xorg-server-1.17.0/render/sha1.h	2015-02-04 19:34:23.458568095 +0100
@@ -0,0 +1,63 @@
+/*
+ * SHA-1 in C
+ * By Steve Reid <steve@edmweb.com>
+ * 100% Public Domain
+ */
+
+#ifndef _SHA1_H
+#define _SHA1_H
+
+#include <stdint.h>
+#include <stddef.h>
+#include <unistd.h>
+
+
+#define	SHA1_BLOCK_LENGTH		64
+#define	SHA1_DIGEST_LENGTH		20
+#define	SHA1_DIGEST_STRING_LENGTH	(SHA1_DIGEST_LENGTH * 2 + 1)
+
+typedef struct {
+    uint32_t state[5];
+    uint64_t count;
+    uint8_t buffer[SHA1_BLOCK_LENGTH];
+} SHA1_CTX;
+
+#include <sys/cdefs.h>
+
+__BEGIN_DECLS
+void SHA1Init(SHA1_CTX *);
+void SHA1Pad(SHA1_CTX *);
+void SHA1Transform(uint32_t [5], const uint8_t [SHA1_BLOCK_LENGTH])
+	__attribute__((__bounded__(__minbytes__,1,5)))
+	__attribute__((__bounded__(__minbytes__,2,SHA1_BLOCK_LENGTH)));
+void SHA1Update(SHA1_CTX *, const uint8_t *, size_t)
+	__attribute__((__bounded__(__string__,2,3)));
+void SHA1Final(uint8_t [SHA1_DIGEST_LENGTH], SHA1_CTX *)
+	__attribute__((__bounded__(__minbytes__,1,SHA1_DIGEST_LENGTH)));
+char *SHA1End(SHA1_CTX *, char *)
+	__attribute__((__bounded__(__minbytes__,2,SHA1_DIGEST_STRING_LENGTH)));
+char *SHA1File(const char *, char *)
+	__attribute__((__bounded__(__minbytes__,2,SHA1_DIGEST_STRING_LENGTH)));
+char *SHA1FileChunk(const char *, char *, off_t, off_t)
+	__attribute__((__bounded__(__minbytes__,2,SHA1_DIGEST_STRING_LENGTH)));
+char *SHA1Data(const uint8_t *, size_t, char *)
+	__attribute__((__bounded__(__string__,1,2)))
+	__attribute__((__bounded__(__minbytes__,3,SHA1_DIGEST_STRING_LENGTH)));
+__END_DECLS
+
+#define HTONDIGEST(x) do {                                              \
+        x[0] = htonl(x[0]);                                             \
+        x[1] = htonl(x[1]);                                             \
+        x[2] = htonl(x[2]);                                             \
+        x[3] = htonl(x[3]);                                             \
+        x[4] = htonl(x[4]); } while (0)
+
+#define NTOHDIGEST(x) do {                                              \
+        x[0] = ntohl(x[0]);                                             \
+        x[1] = ntohl(x[1]);                                             \
+        x[2] = ntohl(x[2]);                                             \
+        x[3] = ntohl(x[3]);                                             \
+        x[4] = ntohl(x[4]); } while (0)
+
+#endif /* _SHA1_H */
+