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 * Licensed under Apache License v2.0. See the file "LICENSE" for more information.
8 */
9
10 /*
11 * Include necessary headers...
12 */
13
14 #include <cups/cups.h>
15 #include "http-private.h"
16 #include "string-private.h"
17
18
19 /*
20 * 'httpMD5()' - Compute the MD5 sum of the username:group:password.
21 *
22 * @deprecated@
23 */
24
25 char * /* O - MD5 sum */
httpMD5(const char * username,const char * realm,const char * passwd,char md5[33])26 httpMD5(const char *username, /* I - User name */
27 const char *realm, /* I - Realm name */
28 const char *passwd, /* I - Password string */
29 char md5[33]) /* O - MD5 string */
30 {
31 unsigned char sum[16]; /* Sum data */
32 char line[256]; /* Line to sum */
33
34
35 /*
36 * Compute the MD5 sum of the user name, group name, and password.
37 */
38
39 snprintf(line, sizeof(line), "%s:%s:%s", username, realm, passwd);
40 cupsHashData("md5", (unsigned char *)line, strlen(line), sum, sizeof(sum));
41
42 /*
43 * Return the sum...
44 */
45
46 return ((char *)cupsHashString(sum, sizeof(sum), md5, 33));
47 }
48
49
50 /*
51 * 'httpMD5Final()' - Combine the MD5 sum of the username, group, and password
52 * with the server-supplied nonce value, method, and
53 * request-uri.
54 *
55 * @deprecated@
56 */
57
58 char * /* O - New sum */
httpMD5Final(const char * nonce,const char * method,const char * resource,char md5[33])59 httpMD5Final(const char *nonce, /* I - Server nonce value */
60 const char *method, /* I - METHOD (GET, POST, etc.) */
61 const char *resource, /* I - Resource path */
62 char md5[33]) /* IO - MD5 sum */
63 {
64 unsigned char sum[16]; /* Sum data */
65 char line[1024]; /* Line of data */
66 char a2[33]; /* Hash of method and resource */
67
68
69 /*
70 * First compute the MD5 sum of the method and resource...
71 */
72
73 snprintf(line, sizeof(line), "%s:%s", method, resource);
74 cupsHashData("md5", (unsigned char *)line, strlen(line), sum, sizeof(sum));
75 cupsHashString(sum, sizeof(sum), a2, sizeof(a2));
76
77 /*
78 * Then combine A1 (MD5 of username, realm, and password) with the nonce
79 * and A2 (method + resource) values to get the final MD5 sum for the
80 * request...
81 */
82
83 snprintf(line, sizeof(line), "%s:%s:%s", md5, nonce, a2);
84 cupsHashData("md5", (unsigned char *)line, strlen(line), sum, sizeof(sum));
85
86 return ((char *)cupsHashString(sum, sizeof(sum), md5, 33));
87 }
88
89
90 /*
91 * 'httpMD5String()' - Convert an MD5 sum to a character string.
92 *
93 * @deprecated@
94 */
95
96 char * /* O - MD5 sum in hex */
httpMD5String(const unsigned char * sum,char md5[33])97 httpMD5String(const unsigned char *sum, /* I - MD5 sum data */
98 char md5[33])
99 /* O - MD5 sum in hex */
100 {
101 return ((char *)cupsHashString(sum, 16, md5, 33));
102 }
103