91 lines
3.2 KiB
C
Executable File
91 lines
3.2 KiB
C
Executable File
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#ifndef HTTP_CLIENT_AUTH_H
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#define HTTP_CLIENT_AUTH_H
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#include "HTTPClientWrapper.h" // Cross platform support
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#define HASHLEN 16
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#define HASHHEXLEN 32
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#define IN
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#define OUT
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typedef char HASH[HASHLEN];
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typedef char HASHHEX[HASHHEXLEN+1];
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typedef unsigned long uint32;
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// Base 64 Related
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#define DECODE64(c) (isascii(c) ? base64val[c] : BAD)
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#define BAD -1
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static const char base64digits[] =
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"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
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static const char base64val[] = {
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BAD,BAD,BAD,BAD, BAD,BAD,BAD,BAD, BAD,BAD,BAD,BAD, BAD,BAD,BAD,BAD,
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BAD,BAD,BAD,BAD, BAD,BAD,BAD,BAD, BAD,BAD,BAD,BAD, BAD,BAD,BAD,BAD,
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BAD,BAD,BAD,BAD, BAD,BAD,BAD,BAD, BAD,BAD,BAD, 62, BAD,BAD,BAD, 63,
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52, 53, 54, 55, 56, 57, 58, 59, 60, 61,BAD,BAD, BAD,BAD,BAD,BAD,
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BAD, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
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15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25,BAD, BAD,BAD,BAD,BAD,
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BAD, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
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41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51,BAD, BAD,BAD,BAD,BAD
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};
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void HTTPBase64Encoder(unsigned char *out, const unsigned char *in, int inlen);
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int HTTPBase64Decoder(char *out, const char *in);
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// Digest Related
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// Generates a 32 byte random hexadecimal string such as "4f6ba982..."
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void HTTPDigestGenerateCNonce(char *outbuff);
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// Calculate H(A1) as per HTTP Digest spec
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void HTTPDigestCalcHA1(
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IN int nAlg, /* 0 = MD5, 1 = MD5-Sess */
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IN char * pszUserName,
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IN char * pszRealm,
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IN int nRealmLength,
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IN char * pszPassword,
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IN char * pszNonce,
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IN int nNonceLength,
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IN char * pszCNonce,
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OUT HASHHEX SessionKey
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);
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// Calculate request-digest/response-digest as per HTTP Digest spec
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void HTTPDigestCalcResponse(
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IN HASHHEX HA1, // H(A1)
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IN char * pszNonce, // nonce from server
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IN int nNonceLength, // Length of nonce
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IN char * pszNonceCount, // 8 hex digits
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IN char * pszCNonce, // client nonce
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IN char * pszQop, // qop-value: "", "auth", "auth-int"
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IN int nQopLength, // qop param length
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IN char * pszMethod, // method from the request
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IN char * pszDigestUri, // requested URL
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IN int nDigestUriLebgth, // Uri Length
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IN HASHHEX HEntity, // H(entity body) if qop="auth-int"
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OUT HASHHEX Response // request-digest or response-digest
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);
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// MD5 structures and functions
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struct MD5Context
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{
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uint32 buf[4];
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uint32 bits[2];
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unsigned char in[64];
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};
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void HTTPMD5Init (struct MD5Context *context);
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void HTTPMD5Update (struct MD5Context *context, unsigned char const *buf,unsigned len);
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void HTTPMD5Final (unsigned char digest[16], struct MD5Context *context);
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void HTTPMD5Transform (uint32 buf[4], uint32 const in[16]);
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// This is needed to make RSAREF happy on some MS-DOS compilers.
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typedef struct MD5Context MD5_CTX;
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#endif
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