X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=cmdamt%2Fdigcalc.cpp;fp=cmdamt%2Fdigcalc.cpp;h=7f2197a79cfb41c1bfe1f98d3e7a145ecf37b31b;hb=44c2b1f9a9f8a2e032432ff958bc62a550c265cb;hp=0000000000000000000000000000000000000000;hpb=d49c3efc5307d1b5f16300fdf965b17cca3bca35;p=monitor.git

diff --git a/cmdamt/digcalc.cpp b/cmdamt/digcalc.cpp
new file mode 100644
index 0000000..7f2197a
--- /dev/null
+++ b/cmdamt/digcalc.cpp
@@ -0,0 +1,153 @@
+//-------------------------------------------------------------------
+//   Copyright (C) The Internet Society (1999).  All Rights Reserved.
+//
+//   This document and translations of it may be copied and furnished to
+//   others, and derivative works that comment on or otherwise explain it
+//   or assist in its implementation may be prepared, copied, published
+//   and distributed, in whole or in part, without restriction of any
+//   kind, provided that the above copyright notice and this paragraph are
+//   included on all such copies and derivative works.  However, this
+//   document itself may not be modified in any way, such as by removing
+//   the copyright notice or references to the Internet Society or other
+//   Internet organizations, except as needed for the purpose of
+//   developing Internet standards in which case the procedures for
+//   copyrights defined in the Internet Standards process must be
+//   followed, or as required to translate it into languages other than
+//   English.
+//
+//   The limited permissions granted above are perpetual and will not be
+//   revoked by the Internet Society or its successors or assigns.
+//
+//   This document and the information contained herein is provided on an
+//   "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING
+//   TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
+//   BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION
+//   HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF
+//   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+//   
+//   
+//   Modifiyed by Intel Corporation, 2005
+//-------------------------------------------------------------------------
+
+#include <stddef.h>
+#include <openssl/md5.h>
+#include <string.h>
+#include <ctype.h>
+#include "digcalc.h"
+
+int stricmp(const char *b, const char *a)
+{
+    while (*a != '\0' && *b != '\0' && tolower(*a) == tolower(*b))
+    {   a++;
+        b++;
+    }
+    return *a == *b ? 0 :
+           tolower(*a) < tolower(*b) ? -1 : 1;
+}
+
+void CvtHex(
+    HASH Bin,
+    HASHHEX Hex
+    )
+{
+    unsigned short i;
+    unsigned char j;
+
+    for (i = 0; i < HASHLEN; i++) {
+        j = (Bin[i] >> 4) & 0xf;
+        if (j <= 9)
+            Hex[i*2] = (j + '0');
+         else
+            Hex[i*2] = (j + 'a' - 10);
+        j = Bin[i] & 0xf;
+        if (j <= 9)
+            Hex[i*2+1] = (j + '0');
+         else
+            Hex[i*2+1] = (j + 'a' - 10);
+    };
+    Hex[HASHHEXLEN] = '\0';
+};
+
+/* calculate H(A1) as per spec */
+void DigestCalcHA1(
+    char * pszAlg,
+    char * pszUserName,
+    char * pszRealm,
+    char * pszPassword,
+    char * pszNonce,
+    char * pszCNonce,
+    HASHHEX SessionKey
+    )
+{
+      MD5_CTX Md5Ctx;
+      HASH HA1;
+      HASHHEX HA1HEX;
+
+      MD5_Init(&Md5Ctx);
+      MD5_Update(&Md5Ctx, pszUserName, strlen(pszUserName));
+      MD5_Update(&Md5Ctx, ":", 1);
+      MD5_Update(&Md5Ctx, pszRealm, strlen(pszRealm));
+      MD5_Update(&Md5Ctx, ":", 1);
+      MD5_Update(&Md5Ctx, pszPassword, strlen(pszPassword));
+      MD5_Final(HA1, &Md5Ctx);
+      if (stricmp(pszAlg, "md5-sess") == 0) {
+            CvtHex(HA1, HA1HEX); 
+            MD5_Init(&Md5Ctx);
+            MD5_Update(&Md5Ctx, HA1HEX, HASHHEXLEN);
+            MD5_Update(&Md5Ctx, ":", 1);
+            MD5_Update(&Md5Ctx, pszNonce, strlen(pszNonce));
+            MD5_Update(&Md5Ctx, ":", 1);
+            MD5_Update(&Md5Ctx, pszCNonce, strlen(pszCNonce));
+            MD5_Final(HA1, &Md5Ctx);
+      };
+      CvtHex(HA1, SessionKey);
+};
+
+/* calculate request-digest/response-digest as per HTTP Digest spec */
+void DigestCalcResponse(
+    HASHHEX HA1,           /* H(A1) */
+    char * pszNonce,       /* nonce from server */
+    char * pszNonceCount,  /* 8 hex digits */
+    char * pszCNonce,      /* client nonce */
+    char * pszQop,         /* qop-value: "", "auth", "auth-int" */
+    char * pszMethod,      /* method from the request */
+    char * pszDigestUri,   /* requested URL */
+    HASHHEX HEntity,       /* H(entity body) if qop="auth-int" */
+    HASHHEX Response      /* request-digest or response-digest */
+    )
+{
+      MD5_CTX Md5Ctx;
+      HASH HA2;
+      HASH RespHash;
+      HASHHEX HA2Hex;
+
+      // calculate H(A2)
+      MD5_Init(&Md5Ctx);
+      MD5_Update(&Md5Ctx, pszMethod, strlen(pszMethod));
+      MD5_Update(&Md5Ctx, ":", 1);
+      MD5_Update(&Md5Ctx, pszDigestUri, strlen(pszDigestUri));
+      if (stricmp(pszQop, "auth-int") == 0) {
+            MD5_Update(&Md5Ctx, ":", 1);
+            MD5_Update(&Md5Ctx, HEntity, HASHHEXLEN);
+      };
+      MD5_Final(HA2, &Md5Ctx);
+      CvtHex(HA2, HA2Hex);
+
+      // calculate response
+      MD5_Init(&Md5Ctx);
+      MD5_Update(&Md5Ctx, HA1, HASHHEXLEN);
+      MD5_Update(&Md5Ctx, ":", 1);
+      MD5_Update(&Md5Ctx, pszNonce, strlen(pszNonce));
+      MD5_Update(&Md5Ctx, ":", 1);
+      if (*pszQop) {
+          MD5_Update(&Md5Ctx, pszNonceCount, strlen(pszNonceCount));
+          MD5_Update(&Md5Ctx, ":", 1);
+          MD5_Update(&Md5Ctx, pszCNonce, strlen(pszCNonce));
+          MD5_Update(&Md5Ctx, ":", 1);
+          MD5_Update(&Md5Ctx, pszQop, strlen(pszQop));
+          MD5_Update(&Md5Ctx, ":", 1);
+      };
+      MD5_Update(&Md5Ctx, HA2Hex, HASHHEXLEN);
+      MD5_Final(RespHash, &Md5Ctx);
+      CvtHex(RespHash, Response);
+};