File crypt_blowfish-gensalt.patch of Package glibc
Index: crypt_blowfish-1.2/crypt_blowfish.c
===================================================================
--- crypt_blowfish-1.2.orig/crypt_blowfish.c
+++ crypt_blowfish-1.2/crypt_blowfish.c
@@ -872,31 +872,3 @@ char *_crypt_blowfish_rn(const char *key
__set_errno(EINVAL); /* pretend we don't support this hash type */
return NULL;
}
-
-char *_crypt_gensalt_blowfish_rn(const char *prefix, unsigned long count,
- const char *input, int size, char *output, int output_size)
-{
- if (size < 16 || output_size < 7 + 22 + 1 ||
- (count && (count < 4 || count > 31)) ||
- prefix[0] != '$' || prefix[1] != '2' ||
- (prefix[2] != 'a' && prefix[2] != 'y')) {
- if (output_size > 0) output[0] = '\0';
- __set_errno((output_size < 7 + 22 + 1) ? ERANGE : EINVAL);
- return NULL;
- }
-
- if (!count) count = 5;
-
- output[0] = '$';
- output[1] = '2';
- output[2] = prefix[2];
- output[3] = '$';
- output[4] = '0' + count / 10;
- output[5] = '0' + count % 10;
- output[6] = '$';
-
- BF_encode(&output[7], (const BF_word *)input, 16);
- output[7 + 22] = '\0';
-
- return output;
-}
Index: crypt_blowfish-1.2/crypt_blowfish.h
===================================================================
--- crypt_blowfish-1.2.orig/crypt_blowfish.h
+++ crypt_blowfish-1.2/crypt_blowfish.h
@@ -20,8 +20,5 @@
extern int _crypt_output_magic(const char *setting, char *output, int size);
extern char *_crypt_blowfish_rn(const char *key, const char *setting,
char *output, int size);
-extern char *_crypt_gensalt_blowfish_rn(const char *prefix,
- unsigned long count,
- const char *input, int size, char *output, int output_size);
#endif
Index: crypt_blowfish-1.2/crypt_gensalt.c
===================================================================
--- crypt_blowfish-1.2.orig/crypt_gensalt.c
+++ crypt_blowfish-1.2/crypt_gensalt.c
@@ -180,3 +180,69 @@ error:
errno = ENOMEM;
return NULL;
}
+
+
+typedef unsigned int BF_word;
+
+static const unsigned char BF_itoa64[64 + 1] =
+ "./ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
+
+static void BF_encode(char *dst, const BF_word *src, int size)
+{
+ const unsigned char *sptr = (const unsigned char *)src;
+ const unsigned char *end = sptr + size;
+ unsigned char *dptr = (unsigned char *)dst;
+ unsigned int c1, c2;
+
+ do {
+ c1 = *sptr++;
+ *dptr++ = BF_itoa64[c1 >> 2];
+ c1 = (c1 & 0x03) << 4;
+ if (sptr >= end) {
+ *dptr++ = BF_itoa64[c1];
+ break;
+ }
+
+ c2 = *sptr++;
+ c1 |= c2 >> 4;
+ *dptr++ = BF_itoa64[c1];
+ c1 = (c2 & 0x0f) << 2;
+ if (sptr >= end) {
+ *dptr++ = BF_itoa64[c1];
+ break;
+ }
+
+ c2 = *sptr++;
+ c1 |= c2 >> 6;
+ *dptr++ = BF_itoa64[c1];
+ *dptr++ = BF_itoa64[c2 & 0x3f];
+ } while (sptr < end);
+}
+
+char *_crypt_gensalt_blowfish_rn(const char *prefix, unsigned long count,
+ const char *input, int size, char *output, int output_size)
+{
+ if (size < 16 || output_size < 7 + 22 + 1 ||
+ (count && (count < 4 || count > 31)) ||
+ prefix[0] != '$' || prefix[1] != '2' ||
+ (prefix[2] != 'a' && prefix[2] != 'y')) {
+ if (output_size > 0) output[0] = '\0';
+ __set_errno((output_size < 7 + 22 + 1) ? ERANGE : EINVAL);
+ return NULL;
+ }
+
+ if (!count) count = 5;
+
+ output[0] = '$';
+ output[1] = '2';
+ output[2] = prefix[2];
+ output[3] = '$';
+ output[4] = '0' + count / 10;
+ output[5] = '0' + count % 10;
+ output[6] = '$';
+
+ BF_encode(&output[7], (const BF_word *)input, 16);
+ output[7 + 22] = '\0';
+
+ return output;
+}
Index: crypt_blowfish-1.2/crypt_gensalt.h
===================================================================
--- crypt_blowfish-1.2.orig/crypt_gensalt.h
+++ crypt_blowfish-1.2/crypt_gensalt.h
@@ -28,5 +28,8 @@ extern char *_crypt_gensalt_md5_rn(const
const char *input, int size, char *output, int output_size);
extern char *_crypt_gensalt_sha2_rn(const char *prefix, unsigned long count,
const char *input, int size, char *output, int output_size);
+extern char *_crypt_gensalt_blowfish_rn(const char *prefix,
+ unsigned long count,
+ const char *input, int size, char *output, int output_size);
#endif
Index: crypt_blowfish-1.2/wrapper-gensalt.c
===================================================================
--- /dev/null
+++ crypt_blowfish-1.2/wrapper-gensalt.c
@@ -0,0 +1,113 @@
+/*
+ * Written by Solar Designer <solar at openwall.com> in 2000-2011.
+ * No copyright is claimed, and the software is hereby placed in the public
+ * domain. In case this attempt to disclaim copyright and place the software
+ * in the public domain is deemed null and void, then the software is
+ * Copyright (c) 2000-2011 Solar Designer and it is hereby released to the
+ * general public under the following terms:
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted.
+ *
+ * There's ABSOLUTELY NO WARRANTY, express or implied.
+ *
+ * See crypt_blowfish.c for more information.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+
+#include <errno.h>
+#ifndef __set_errno
+#define __set_errno(val) errno = (val)
+#endif
+
+#define CRYPT_GENSALT_OUTPUT_SIZE (7 + 22 + 1)
+
+#if defined(__GLIBC__) && defined(_LIBC)
+#define __SKIP_GNU
+#endif
+#include "ow-crypt.h"
+
+#include "crypt_gensalt.h"
+
+#if !(defined(__GLIBC__) && defined(_LIBC))
+#define __crypt_gensalt_rn crypt_gensalt_rn
+#define __crypt_gensalt_ra crypt_gensalt_ra
+#define __crypt_gensalt crypt_gensalt
+#endif
+
+char *__crypt_gensalt_rn(const char *prefix, unsigned long count,
+ const char *input, int size, char *output, int output_size)
+{
+ char *(*use)(const char *_prefix, unsigned long _count,
+ const char *_input, int _size,
+ char *_output, int _output_size);
+
+ /* This may be supported on some platforms in the future */
+ if (!input) {
+ __set_errno(EINVAL);
+ return NULL;
+ }
+
+ if (!strncmp(prefix, "$5$", 3) || !strncmp(prefix, "$6$", 3))
+ use = _crypt_gensalt_sha2_rn;
+ else
+ if (!strncmp(prefix, "$2a$", 4) || !strncmp(prefix, "$2y$", 4))
+ use = _crypt_gensalt_blowfish_rn;
+ else
+ if (!strncmp(prefix, "$1$", 3))
+ use = _crypt_gensalt_md5_rn;
+ else
+ if (prefix[0] == '_')
+ use = _crypt_gensalt_extended_rn;
+ else
+ if (!prefix[0] ||
+ (prefix[0] && prefix[1] &&
+ memchr(_crypt_itoa64, prefix[0], 64) &&
+ memchr(_crypt_itoa64, prefix[1], 64)))
+ use = _crypt_gensalt_traditional_rn;
+ else {
+ __set_errno(EINVAL);
+ return NULL;
+ }
+
+ return use(prefix, count, input, size, output, output_size);
+}
+
+char *__crypt_gensalt_ra(const char *prefix, unsigned long count,
+ const char *input, int size)
+{
+ char output[CRYPT_GENSALT_OUTPUT_SIZE];
+ char *retval;
+
+ retval = __crypt_gensalt_rn(prefix, count,
+ input, size, output, sizeof(output));
+
+ if (retval) {
+ retval = strdup(retval);
+#ifndef __GLIBC__
+ /* strdup(3) on glibc sets errno, so we don't need to bother */
+ if (!retval)
+ __set_errno(ENOMEM);
+#endif
+ }
+
+ return retval;
+}
+
+char *__crypt_gensalt(const char *prefix, unsigned long count,
+ const char *input, int size)
+{
+ static char output[CRYPT_GENSALT_OUTPUT_SIZE];
+
+ return __crypt_gensalt_rn(prefix, count,
+ input, size, output, sizeof(output));
+}
+
+#if defined(__GLIBC__) && defined(_LIBC)
+weak_alias(__crypt_gensalt_rn, crypt_gensalt_rn)
+weak_alias(__crypt_gensalt_ra, crypt_gensalt_ra)
+weak_alias(__crypt_gensalt, crypt_gensalt)
+#endif
+
Index: crypt_blowfish-1.2/wrapper.c
===================================================================
--- crypt_blowfish-1.2.orig/wrapper.c
+++ crypt_blowfish-1.2/wrapper.c
@@ -35,7 +35,6 @@
#endif
#define CRYPT_OUTPUT_SIZE (7 + 22 + 31 + 1)
-#define CRYPT_GENSALT_OUTPUT_SIZE (7 + 22 + 1)
#if defined(__GLIBC__) && defined(_LIBC)
#define __SKIP_GNU
@@ -43,7 +42,6 @@
#include "ow-crypt.h"
#include "crypt_blowfish.h"
-#include "crypt_gensalt.h"
#if defined(__GLIBC__) && defined(_LIBC)
/* crypt.h from glibc-crypt-2.1 will define struct crypt_data for us */
@@ -209,88 +207,11 @@ char *crypt(const char *key, const char
crypt_rn(key, setting, output, sizeof(output)),
setting, output, sizeof(output));
}
-
-#define __crypt_gensalt_rn crypt_gensalt_rn
-#define __crypt_gensalt_ra crypt_gensalt_ra
-#define __crypt_gensalt crypt_gensalt
-#endif
-
-char *__crypt_gensalt_rn(const char *prefix, unsigned long count,
- const char *input, int size, char *output, int output_size)
-{
- char *(*use)(const char *_prefix, unsigned long _count,
- const char *_input, int _size,
- char *_output, int _output_size);
-
- /* This may be supported on some platforms in the future */
- if (!input) {
- __set_errno(EINVAL);
- return NULL;
- }
-
- if (!strncmp(prefix, "$5$", 3) || !strncmp(prefix, "$6$", 3))
- use = _crypt_gensalt_sha2_rn;
- else
- if (!strncmp(prefix, "$2a$", 4) || !strncmp(prefix, "$2y$", 4))
- use = _crypt_gensalt_blowfish_rn;
- else
- if (!strncmp(prefix, "$1$", 3))
- use = _crypt_gensalt_md5_rn;
- else
- if (prefix[0] == '_')
- use = _crypt_gensalt_extended_rn;
- else
- if (!prefix[0] ||
- (prefix[0] && prefix[1] &&
- memchr(_crypt_itoa64, prefix[0], 64) &&
- memchr(_crypt_itoa64, prefix[1], 64)))
- use = _crypt_gensalt_traditional_rn;
- else {
- __set_errno(EINVAL);
- return NULL;
- }
-
- return use(prefix, count, input, size, output, output_size);
-}
-
-char *__crypt_gensalt_ra(const char *prefix, unsigned long count,
- const char *input, int size)
-{
- char output[CRYPT_GENSALT_OUTPUT_SIZE];
- char *retval;
-
- retval = __crypt_gensalt_rn(prefix, count,
- input, size, output, sizeof(output));
-
- if (retval) {
- retval = strdup(retval);
-#ifndef __GLIBC__
- /* strdup(3) on glibc sets errno, so we don't need to bother */
- if (!retval)
- __set_errno(ENOMEM);
#endif
- }
-
- return retval;
-}
-
-char *__crypt_gensalt(const char *prefix, unsigned long count,
- const char *input, int size)
-{
- static char output[CRYPT_GENSALT_OUTPUT_SIZE];
-
- return __crypt_gensalt_rn(prefix, count,
- input, size, output, sizeof(output));
-}
#if defined(__GLIBC__) && defined(_LIBC)
-weak_alias(__crypt_rn, crypt_rn)
-weak_alias(__crypt_ra, crypt_ra)
weak_alias(__crypt_r, crypt_r)
weak_alias(__crypt, crypt)
-weak_alias(__crypt_gensalt_rn, crypt_gensalt_rn)
-weak_alias(__crypt_gensalt_ra, crypt_gensalt_ra)
-weak_alias(__crypt_gensalt, crypt_gensalt)
weak_alias(crypt, fcrypt)
#endif
