1 /*
2 * MD5 password support for CUPS (deprecated).
3 *
4 * Copyright 2007-2017 by Apple Inc.
5 * Copyright 1997-2005 by Easy Software Products.
6 *
7 * These coded instructions, statements, and computer programs are the
8 * property of Apple Inc. and are protected by Federal copyright
9 * law. Distribution and use rights are outlined in the file "LICENSE.txt"
10 * which should have been included with this file. If this file is
11 * missing or damaged, see the license at "http://www.cups.org/".
12 *
13 * This file is subject to the Apple OS-Developed Software exception.
14 */
15
16 /*
17 * Include necessary headers...
18 */
19
20 #include <cups/cups.h>
21 #include "http-private.h"
22 #include "string-private.h"
23
24
25 /*
26 * 'httpMD5()' - Compute the MD5 sum of the username:group:password.
27 *
28 * @deprecated@
29 */
30
31 char * /* O - MD5 sum */
httpMD5(const char * username,const char * realm,const char * passwd,char md5[33])32 httpMD5(const char *username, /* I - User name */
33 const char *realm, /* I - Realm name */
34 const char *passwd, /* I - Password string */
35 char md5[33]) /* O - MD5 string */
36 {
37 unsigned char sum[16]; /* Sum data */
38 char line[256]; /* Line to sum */
39
40
41 /*
42 * Compute the MD5 sum of the user name, group name, and password.
43 */
44
45 snprintf(line, sizeof(line), "%s:%s:%s", username, realm, passwd);
46 cupsHashData("md5", (unsigned char *)line, strlen(line), sum, sizeof(sum));
47
48 /*
49 * Return the sum...
50 */
51
52 return ((char *)cupsHashString(sum, sizeof(sum), md5, 33));
53 }
54
55
56 /*
57 * 'httpMD5Final()' - Combine the MD5 sum of the username, group, and password
58 * with the server-supplied nonce value, method, and
59 * request-uri.
60 *
61 * @deprecated@
62 */
63
64 char * /* O - New sum */
httpMD5Final(const char * nonce,const char * method,const char * resource,char md5[33])65 httpMD5Final(const char *nonce, /* I - Server nonce value */
66 const char *method, /* I - METHOD (GET, POST, etc.) */
67 const char *resource, /* I - Resource path */
68 char md5[33]) /* IO - MD5 sum */
69 {
70 unsigned char sum[16]; /* Sum data */
71 char line[1024]; /* Line of data */
72 char a2[33]; /* Hash of method and resource */
73
74
75 /*
76 * First compute the MD5 sum of the method and resource...
77 */
78
79 snprintf(line, sizeof(line), "%s:%s", method, resource);
80 cupsHashData("md5", (unsigned char *)line, strlen(line), sum, sizeof(sum));
81 cupsHashString(sum, sizeof(sum), a2, sizeof(a2));
82
83 /*
84 * Then combine A1 (MD5 of username, realm, and password) with the nonce
85 * and A2 (method + resource) values to get the final MD5 sum for the
86 * request...
87 */
88
89 snprintf(line, sizeof(line), "%s:%s:%s", md5, nonce, a2);
90 cupsHashData("md5", (unsigned char *)line, strlen(line), sum, sizeof(sum));
91
92 return ((char *)cupsHashString(sum, sizeof(sum), md5, 33));
93 }
94
95
96 /*
97 * 'httpMD5String()' - Convert an MD5 sum to a character string.
98 *
99 * @deprecated@
100 */
101
102 char * /* O - MD5 sum in hex */
httpMD5String(const unsigned char * sum,char md5[33])103 httpMD5String(const unsigned char *sum, /* I - MD5 sum data */
104 char md5[33])
105 /* O - MD5 sum in hex */
106 {
107 return ((char *)cupsHashString(sum, 16, md5, 33));
108 }
109