Merge branch 'curl-upstream' into update-curl

Resolve all conflicts in favor of the upstream side.
We can re-apply specific changes later.

1 files changed, 221 insertions, 32 deletions

diff --git a/Utilities/cmcurl/lib/md5.c b/Utilities/cmcurl/lib/md5.c
index 4cfb073..af39fd4 100644
--- a/Utilities/cmcurl/lib/md5.c
+++ b/Utilities/cmcurl/lib/md5.c
@@ -1,16 +1,16 @@
 /***************************************************************************
- *                                  _   _ ____  _     
- *  Project                     ___| | | |  _ \| |    
- *                             / __| | | | |_) | |    
- *                            | (__| |_| |  _ <| |___ 
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2005, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2012, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
  * are also available at http://curl.haxx.se/docs/copyright.html.
- * 
+ *
  * You may opt to use, copy, modify, merge, publish, distribute and/or sell
  * copies of the Software, and permit persons to whom the Software is
  * furnished to do so, under the terms of the COPYING file.
@@ -18,17 +18,147 @@
  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  * KIND, either express or implied.
  *
- * $Id$
  ***************************************************************************/
 
-#include "setup.h"
+#include "curl_setup.h"
 
 #ifndef CURL_DISABLE_CRYPTO_AUTH
 
-#if !defined(USE_SSLEAY) || !defined(USE_OPENSSL)
-/* This code segment is only used if OpenSSL is not provided, as if it is
-   we use the MD5-function provided there instead. No good duplicating
-   code! */
+#include "curl_md5.h"
+#include "curl_hmac.h"
+#include "warnless.h"
+
+#include "curl_memory.h"
+
+#if defined(USE_GNUTLS_NETTLE)
+
+#include <nettle/md5.h>
+/* The last #include file should be: */
+#include "memdebug.h"
+
+typedef struct md5_ctx MD5_CTX;
+
+static void MD5_Init(MD5_CTX * ctx)
+{
+  md5_init(ctx);
+}
+
+static void MD5_Update(MD5_CTX * ctx,
+                       const unsigned char * input,
+                       unsigned int inputLen)
+{
+  md5_update(ctx, inputLen, input);
+}
+
+static void MD5_Final(unsigned char digest[16], MD5_CTX * ctx)
+{
+  md5_digest(ctx, 16, digest);
+}
+
+#elif defined(USE_GNUTLS)
+
+#include <gcrypt.h>
+/* The last #include file should be: */
+#include "memdebug.h"
+
+typedef gcry_md_hd_t MD5_CTX;
+
+static void MD5_Init(MD5_CTX * ctx)
+{
+  gcry_md_open(ctx, GCRY_MD_MD5, 0);
+}
+
+static void MD5_Update(MD5_CTX * ctx,
+                       const unsigned char * input,
+                       unsigned int inputLen)
+{
+  gcry_md_write(*ctx, input, inputLen);
+}
+
+static void MD5_Final(unsigned char digest[16], MD5_CTX * ctx)
+{
+  memcpy(digest, gcry_md_read(*ctx, 0), 16);
+  gcry_md_close(*ctx);
+}
+
+#elif defined(USE_SSLEAY)
+/* When OpenSSL is available we use the MD5-function from OpenSSL */
+
+#  ifdef USE_OPENSSL
+#    include <openssl/md5.h>
+#  else
+#    include <md5.h>
+#  endif
+
+#elif (defined(__MAC_OS_X_VERSION_MAX_ALLOWED) && \
+              (__MAC_OS_X_VERSION_MAX_ALLOWED >= 1040)) || \
+      (defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && \
+              (__IPHONE_OS_VERSION_MAX_ALLOWED >= 20000))
+
+/* For Apple operating systems: CommonCrypto has the functions we need.
+   These functions are available on Tiger and later, as well as iOS 2.0
+   and later. If you're building for an older cat, well, sorry.
+
+   Declaring the functions as static like this seems to be a bit more
+   reliable than defining COMMON_DIGEST_FOR_OPENSSL on older cats. */
+#  include <CommonCrypto/CommonDigest.h>
+#  define MD5_CTX CC_MD5_CTX
+
+static void MD5_Init(MD5_CTX *ctx)
+{
+  CC_MD5_Init(ctx);
+}
+
+static void MD5_Update(MD5_CTX *ctx,
+                       const unsigned char *input,
+                       unsigned int inputLen)
+{
+  CC_MD5_Update(ctx, input, inputLen);
+}
+
+static void MD5_Final(unsigned char digest[16], MD5_CTX *ctx)
+{
+  CC_MD5_Final(digest, ctx);
+}
+
+#elif defined(_WIN32)
+
+#include <wincrypt.h>
+
+typedef struct {
+  HCRYPTPROV hCryptProv;
+  HCRYPTHASH hHash;
+} MD5_CTX;
+
+static void MD5_Init(MD5_CTX *ctx)
+{
+  if(CryptAcquireContext(&ctx->hCryptProv, NULL, NULL,
+                         PROV_RSA_FULL, CRYPT_VERIFYCONTEXT)) {
+    CryptCreateHash(ctx->hCryptProv, CALG_MD5, 0, 0, &ctx->hHash);
+  }
+}
+
+static void MD5_Update(MD5_CTX *ctx,
+                       const unsigned char *input,
+                       unsigned int inputLen)
+{
+  CryptHashData(ctx->hHash, (unsigned char *)input, inputLen, 0);
+}
+
+static void MD5_Final(unsigned char digest[16], MD5_CTX *ctx)
+{
+  unsigned long length = 0;
+  CryptGetHashParam(ctx->hHash, HP_HASHVAL, NULL, &length, 0);
+  if(length == 16)
+    CryptGetHashParam(ctx->hHash, HP_HASHVAL, digest, &length, 0);
+  if(ctx->hHash)
+    CryptDestroyHash(ctx->hHash);
+  if(ctx->hCryptProv)
+    CryptReleaseContext(ctx->hCryptProv, 0);
+}
+
+#else
+/* When no other crypto library is available we use this code segment */
 
 /* Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All
 rights reserved.
@@ -52,8 +182,6 @@ These notices must be retained in any copies of any part of this
 documentation and/or software.
  */
 
-#include <string.h>
-
 /* UINT4 defines a four byte word */
 typedef unsigned int UINT4;
 
@@ -161,28 +289,28 @@ static void MD5_Update (struct md5_ctx *context,    /* context */
   bufindex = (unsigned int)((context->count[0] >> 3) & 0x3F);
 
   /* Update number of bits */
-  if ((context->count[0] += ((UINT4)inputLen << 3))
+  if((context->count[0] += ((UINT4)inputLen << 3))
       < ((UINT4)inputLen << 3))
     context->count[1]++;
   context->count[1] += ((UINT4)inputLen >> 29);
-  
+
   partLen = 64 - bufindex;
 
   /* Transform as many times as possible. */
-  if (inputLen >= partLen) {
-    memcpy((void *)&context->buffer[bufindex], (void *)input, partLen);
+  if(inputLen >= partLen) {
+    memcpy(&context->buffer[bufindex], input, partLen);
     MD5Transform(context->state, context->buffer);
-    
-    for (i = partLen; i + 63 < inputLen; i += 64)
+
+    for(i = partLen; i + 63 < inputLen; i += 64)
       MD5Transform(context->state, &input[i]);
-    
+
     bufindex = 0;
   }
   else
     i = 0;
 
   /* Buffer remaining input */
-  memcpy((void *)&context->buffer[bufindex], (void *)&input[i], inputLen-i);
+  memcpy(&context->buffer[bufindex], &input[i], inputLen-i);
 }
 
 /* MD5 finalization. Ends an MD5 message-digest operation, writing the
@@ -310,7 +438,7 @@ static void Encode (unsigned char *output,
 {
   unsigned int i, j;
 
-  for (i = 0, j = 0; j < len; i++, j += 4) {
+  for(i = 0, j = 0; j < len; i++, j += 4) {
     output[j] = (unsigned char)(input[i] & 0xff);
     output[j+1] = (unsigned char)((input[i] >> 8) & 0xff);
     output[j+2] = (unsigned char)((input[i] >> 16) & 0xff);
@@ -327,26 +455,87 @@ static void Decode (UINT4 *output,
 {
   unsigned int i, j;
 
-  for (i = 0, j = 0; j < len; i++, j += 4)
+  for(i = 0, j = 0; j < len; i++, j += 4)
     output[i] = ((UINT4)input[j]) | (((UINT4)input[j+1]) << 8) |
       (((UINT4)input[j+2]) << 16) | (((UINT4)input[j+3]) << 24);
 }
 
-#else
-/* If OpenSSL is present */
-#include <openssl/md5.h>
-#include <string.h>
-#endif
+#endif /* CRYPTO LIBS */
 
-#include "md5.h"
+/* The last #include file should be: */
+#include "memdebug.h"
+
+const HMAC_params Curl_HMAC_MD5[] = {
+  {
+    (HMAC_hinit_func) MD5_Init,           /* Hash initialization function. */
+    (HMAC_hupdate_func) MD5_Update,       /* Hash update function. */
+    (HMAC_hfinal_func) MD5_Final,         /* Hash computation end function. */
+    sizeof(MD5_CTX),                      /* Size of hash context structure. */
+    64,                                   /* Maximum key length. */
+    16                                    /* Result size. */
+  }
+};
+
+const MD5_params Curl_DIGEST_MD5[] = {
+  {
+    (Curl_MD5_init_func) MD5_Init,      /* Digest initialization function */
+    (Curl_MD5_update_func) MD5_Update,  /* Digest update function */
+    (Curl_MD5_final_func) MD5_Final,    /* Digest computation end function */
+    sizeof(MD5_CTX),                    /* Size of digest context struct */
+    16                                  /* Result size */
+  }
+};
 
 void Curl_md5it(unsigned char *outbuffer, /* 16 bytes */
                 const unsigned char *input)
 {
   MD5_CTX ctx;
   MD5_Init(&ctx);
-  MD5_Update(&ctx, input, (unsigned int)strlen((char *)input));
+  MD5_Update(&ctx, input, curlx_uztoui(strlen((char *)input)));
   MD5_Final(outbuffer, &ctx);
 }
 
-#endif
+MD5_context *Curl_MD5_init(const MD5_params *md5params)
+{
+  MD5_context *ctxt;
+
+  /* Create MD5 context */
+  ctxt = malloc(sizeof *ctxt);
+
+  if(!ctxt)
+    return ctxt;
+
+  ctxt->md5_hashctx = malloc(md5params->md5_ctxtsize);
+
+  if(!ctxt->md5_hashctx) {
+    free(ctxt);
+    return NULL;
+  }
+
+  ctxt->md5_hash = md5params;
+
+  (*md5params->md5_init_func)(ctxt->md5_hashctx);
+
+  return ctxt;
+}
+
+int Curl_MD5_update(MD5_context *context,
+                    const unsigned char *data,
+                    unsigned int len)
+{
+  (*context->md5_hash->md5_update_func)(context->md5_hashctx, data, len);
+
+  return 0;
+}
+
+int Curl_MD5_final(MD5_context *context, unsigned char *result)
+{
+  (*context->md5_hash->md5_final_func)(result, context->md5_hashctx);
+
+  free(context->md5_hashctx);
+  free(context);
+
+  return 0;
+}
+
+#endif /* CURL_DISABLE_CRYPTO_AUTH */