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/*
* MD5 password support for CUPS (deprecated).
*
* Copyright 2007-2017 by Apple Inc.
* Copyright 1997-2005 by Easy Software Products.
*
* These coded instructions, statements, and computer programs are the
* property of Apple Inc. and are protected by Federal copyright
* law. Distribution and use rights are outlined in the file "LICENSE.txt"
* which should have been included with this file. If this file is
* missing or damaged, see the license at "http://www.cups.org/".
*
* This file is subject to the Apple OS-Developed Software exception.
*/
/*
* Include necessary headers...
*/
#include <cups/cups.h>
#include "http-private.h"
#include "string-private.h"
/*
* 'httpMD5()' - Compute the MD5 sum of the username:group:password.
*
* @deprecated@
*/
char * /* O - MD5 sum */
httpMD5(const char *username, /* I - User name */
const char *realm, /* I - Realm name */
const char *passwd, /* I - Password string */
char md5[33]) /* O - MD5 string */
{
unsigned char sum[16]; /* Sum data */
char line[256]; /* Line to sum */
/*
* Compute the MD5 sum of the user name, group name, and password.
*/
snprintf(line, sizeof(line), "%s:%s:%s", username, realm, passwd);
cupsHashData("md5", (unsigned char *)line, strlen(line), sum, sizeof(sum));
/*
* Return the sum...
*/
return ((char *)cupsHashString(sum, sizeof(sum), md5, 33));
}
/*
* 'httpMD5Final()' - Combine the MD5 sum of the username, group, and password
* with the server-supplied nonce value, method, and
* request-uri.
*
* @deprecated@
*/
char * /* O - New sum */
httpMD5Final(const char *nonce, /* I - Server nonce value */
const char *method, /* I - METHOD (GET, POST, etc.) */
const char *resource, /* I - Resource path */
char md5[33]) /* IO - MD5 sum */
{
unsigned char sum[16]; /* Sum data */
char line[1024]; /* Line of data */
char a2[33]; /* Hash of method and resource */
/*
* First compute the MD5 sum of the method and resource...
*/
snprintf(line, sizeof(line), "%s:%s", method, resource);
cupsHashData("md5", (unsigned char *)line, strlen(line), sum, sizeof(sum));
cupsHashString(sum, sizeof(sum), a2, sizeof(a2));
/*
* Then combine A1 (MD5 of username, realm, and password) with the nonce
* and A2 (method + resource) values to get the final MD5 sum for the
* request...
*/
snprintf(line, sizeof(line), "%s:%s:%s", md5, nonce, a2);
cupsHashData("md5", (unsigned char *)line, strlen(line), sum, sizeof(sum));
return ((char *)cupsHashString(sum, sizeof(sum), md5, 33));
}
/*
* 'httpMD5String()' - Convert an MD5 sum to a character string.
*
* @deprecated@
*/
char * /* O - MD5 sum in hex */
httpMD5String(const unsigned char *sum, /* I - MD5 sum data */
char md5[33])
/* O - MD5 sum in hex */
{
return ((char *)cupsHashString(sum, 16, md5, 33));
}
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