09fe0b69d3d1e8c8041c9ce99ee77b8b44b5e3b1fielding

#include "ap_config.h"

#include "apr_portable.h"

#include "apr_strings.h"

#include "httpd.h"

#include "util_md5.h"

#include "util_ebcdic.h"

AP_DECLARE(char *) ap_md5_binary(apr_pool_t *p, const unsigned char *buf, int length)

{

const char *hex = "0123456789abcdef";

apr_md5_ctx_t my_md5;

unsigned char hash[MD5_DIGESTSIZE];

char *r, result[33];

int i;

/*

apr_MD5Init(&my_md5);

#ifdef CHARSET_EBCDIC

apr_MD5SetXlate(&my_md5, ap_hdrs_to_ascii);

#endif

apr_MD5Update(&my_md5, buf, (unsigned int)length);

apr_MD5Final(hash, &my_md5);

for (i = 0, r = result; i < MD5_DIGESTSIZE; i++) {

*r++ = hex[hash[i] >> 4];

*r++ = hex[hash[i] & 0xF];

}

*r = '\0';

return apr_pstrdup(p, result);

}

AP_DECLARE(char *) ap_md5(apr_pool_t *p, const unsigned char *string)

{

return ap_md5_binary(p, string, (int) strlen((char *)string));

}

static char basis_64[] =

"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";

AP_DECLARE(char *) ap_md5contextTo64(apr_pool_t *a, apr_md5_ctx_t *context)

{

unsigned char digest[18];

char *encodedDigest;

int i;

char *p;

encodedDigest = (char *) apr_pcalloc(a, 25 * sizeof(char));

apr_MD5Final(digest, context);

digest[sizeof(digest) - 1] = digest[sizeof(digest) - 2] = 0;

p = encodedDigest;

for (i = 0; i < sizeof(digest); i += 3) {

*p++ = basis_64[digest[i] >> 2];

*p++ = basis_64[((digest[i] & 0x3) << 4) | ((int) (digest[i + 1] & 0xF0) >> 4)];

*p++ = basis_64[((digest[i + 1] & 0xF) << 2) | ((int) (digest[i + 2] & 0xC0) >> 6)];

*p++ = basis_64[digest[i + 2] & 0x3F];

}

*p-- = '\0';

*p-- = '=';

*p-- = '=';

return encodedDigest;

}

AP_DECLARE(char *) ap_md5digest(apr_pool_t *p, apr_file_t *infile)

{

apr_md5_ctx_t context;

unsigned char buf[1000];

long length = 0;

apr_size_t nbytes;

apr_off_t offset = 0L;

apr_MD5Init(&context);

nbytes = sizeof(buf);

while (apr_read(infile, buf, &nbytes) == APR_SUCCESS) {

length += nbytes;

apr_MD5Update(&context, buf, nbytes);

}

apr_seek(infile, APR_SET, &offset);

return ap_md5contextTo64(p, &context);

}