compat for arc4random with openssl 0.9.7 and openssl 0.9.8

git-svn-id: file:///svn/unbound/trunk@3174 be551aaa-1e26-0410-a405-d3ace91eadb9

compat/getentropy_linux.c

@@ -16,9 +16,12 @@
  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
+#include "config.h"
 
+/*
 #define	_POSIX_C_SOURCE 199309L
 #define	_GNU_SOURCE     1
+*/
 #include <sys/types.h>
 #include <sys/param.h>
 #include <sys/ioctl.h>

compat/sha512.c

@@ -45,6 +45,8 @@
 #include <string.h>	/* memcpy()/memset() or bcopy()/bzero() */
 #include <assert.h>	/* assert() */
 
+/* do we have sha512 header defs */
+#ifndef SHA512_DIGEST_LENGTH
 #define SHA512_BLOCK_LENGTH		128
 #define SHA512_DIGEST_LENGTH		64
 #define SHA512_DIGEST_STRING_LENGTH	(SHA512_DIGEST_LENGTH * 2 + 1)
@@ -53,11 +55,12 @@ typedef struct _SHA512_CTX {
 	uint64_t	bitcount[2];
 	uint8_t	buffer[SHA512_BLOCK_LENGTH];
 } SHA512_CTX;
+#endif /* do we have sha512 header defs */
 
-void SHA512_init(SHA512_CTX*);
+void SHA512_Init(SHA512_CTX*);
-void SHA512_update(SHA512_CTX*, const uint8_t*, size_t);
+void SHA512_Update(SHA512_CTX*, void*, size_t);
-void SHA512_final(uint8_t[SHA512_DIGEST_LENGTH], SHA512_CTX*);
+void SHA512_Final(uint8_t[SHA512_DIGEST_LENGTH], SHA512_CTX*);
-unsigned char *SHA512(unsigned char *data, unsigned int data_len, unsigned char *digest);
+unsigned char *SHA512(void *data, unsigned int data_len, unsigned char *digest);
 
 
 /*** SHA-256/384/512 Machine Architecture Definitions *****************/
@@ -250,6 +253,11 @@ static const sha2_word64 sha512_initial_hash_value[8] = {
 	0x5be0cd19137e2179ULL
 };
 
+typedef union _ldns_sha2_buffer_union {
+        uint8_t*  theChars;
+        uint64_t* theLongs;
+} ldns_sha2_buffer_union;
+
 /*** SHA-512: *********************************************************/
 void SHA512_Init(SHA512_CTX* context) {
 	if (context == (SHA512_CTX*)0) {
@@ -337,8 +345,9 @@ static void SHA512_Transform(SHA512_CTX* context,
 	a = b = c = d = e = f = g = h = T1 = T2 = 0;
 }
 
-void SHA512_Update(SHA512_CTX* context, const sha2_byte *data, size_t len) {
+void SHA512_Update(SHA512_CTX* context, void *datain, size_t len) {
 	size_t freespace, usedspace;
+	const sha2_byte* data = (const sha2_byte*)datain;
 
 	if (len == 0) {
 		/* Calling with no data is valid - we do nothing */
@@ -458,7 +467,7 @@ void SHA512_Final(sha2_byte digest[], SHA512_CTX* context) {
 }
 
 unsigned char *
-SHA512(unsigned char *data, unsigned int data_len, unsigned char *digest)
+SHA512(void *data, unsigned int data_len, unsigned char *digest)
 {
     SHA512_CTX ctx;
     SHA512_Init(&ctx);

config.h.in

@@ -907,6 +907,24 @@ void _ARC4_UNLOCK(void);
 #ifndef HAVE_ARC4RANDOM_UNIFORM
 uint32_t arc4random_uniform(uint32_t upper_bound);
 #endif
+#ifndef HAVE_SHA512_UPDATE
+#ifndef SHA512_DIGEST_LENGTH
+#define SHA512_BLOCK_LENGTH		128
+#define SHA512_DIGEST_LENGTH		64
+#define SHA512_DIGEST_STRING_LENGTH	(SHA512_DIGEST_LENGTH * 2 + 1)
+typedef struct _SHA512_CTX {
+	uint64_t	state[8];
+	uint64_t	bitcount[2];
+	uint8_t	buffer[SHA512_BLOCK_LENGTH];
+} SHA512_CTX;
+#endif /* SHA512_DIGEST_LENGTH */
+void SHA512_Init(SHA512_CTX*);
+void SHA512_Update(SHA512_CTX*, void*, size_t);
+void SHA512_Final(uint8_t[SHA512_DIGEST_LENGTH], SHA512_CTX*);
+unsigned char *SHA512(void* data, unsigned int data_len, unsigned char *digest);
+#endif /* HAVE_SHA512_UPDATE */
+
+
 
 #if defined(HAVE_EVENT_H) && !defined(HAVE_EVENT_BASE_ONCE) && !(defined(HAVE_EV_LOOP) || defined(HAVE_EV_DEFAULT_LOOP)) && (defined(HAVE_PTHREAD) || defined(HAVE_SOLARIS_THREADS))
    /* using version of libevent that is not threadsafe. */

configure.ac

@@ -1213,6 +1213,24 @@ void _ARC4_UNLOCK(void);
 #ifndef HAVE_ARC4RANDOM_UNIFORM
 uint32_t arc4random_uniform(uint32_t upper_bound);
 #endif
+#ifndef HAVE_SHA512_UPDATE
+#ifndef SHA512_DIGEST_LENGTH
+#define SHA512_BLOCK_LENGTH		128
+#define SHA512_DIGEST_LENGTH		64
+#define SHA512_DIGEST_STRING_LENGTH	(SHA512_DIGEST_LENGTH * 2 + 1)
+typedef struct _SHA512_CTX {
+	uint64_t	state[8];
+	uint64_t	bitcount[2];
+	uint8_t	buffer[SHA512_BLOCK_LENGTH];
+} SHA512_CTX;
+#endif /* SHA512_DIGEST_LENGTH */
+void SHA512_Init(SHA512_CTX*);
+void SHA512_Update(SHA512_CTX*, void*, size_t);
+void SHA512_Final(uint8_t[SHA512_DIGEST_LENGTH], SHA512_CTX*);
+unsigned char *SHA512(void* data, unsigned int data_len, unsigned char *digest);
+#endif /* HAVE_SHA512_UPDATE */
+
+
 
 #if defined(HAVE_EVENT_H) && !defined(HAVE_EVENT_BASE_ONCE) && !(defined(HAVE_EV_LOOP) || defined(HAVE_EV_DEFAULT_LOOP)) && (defined(HAVE_PTHREAD) || defined(HAVE_SOLARIS_THREADS))
    /* using version of libevent that is not threadsafe. */