2 * Copyright (c) 1999 Dug Song. All rights reserved.
3 * Copyright (c) 2002 Markus Friedl. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 RCSID("$OpenBSD: radix.c,v 1.22 2002/09/09 14:54:15 markus Exp $");
38 creds_to_radix(CREDENTIALS *creds, u_char *buf, size_t buflen)
45 buffer_put_char(&b, 1); /* version */
47 buffer_append(&b, creds->service, strlen(creds->service));
48 buffer_put_char(&b, '\0');
49 buffer_append(&b, creds->instance, strlen(creds->instance));
50 buffer_put_char(&b, '\0');
51 buffer_append(&b, creds->realm, strlen(creds->realm));
52 buffer_put_char(&b, '\0');
53 buffer_append(&b, creds->pname, strlen(creds->pname));
54 buffer_put_char(&b, '\0');
55 buffer_append(&b, creds->pinst, strlen(creds->pinst));
56 buffer_put_char(&b, '\0');
58 /* Null string to repeat the realm. */
59 buffer_put_char(&b, '\0');
61 buffer_put_int(&b, creds->issue_date);
62 buffer_put_int(&b, krb_life_to_time(creds->issue_date,
64 buffer_append(&b, creds->session, sizeof(creds->session));
65 buffer_put_short(&b, creds->kvno);
67 /* 32 bit size + data */
68 buffer_put_string(&b, creds->ticket_st.dat, creds->ticket_st.length);
70 ret = uuencode(buffer_ptr(&b), buffer_len(&b), (char *)buf, buflen);
76 #define GETSTRING(b, t, tlen) \
79 for (i = 0; i < tlen; i++) { \
80 if (buffer_len(b) == 0) \
82 t[i] = buffer_get_char(b); \
93 radix_to_creds(const char *buf, CREDENTIALS *creds)
104 /* sanity check for size */
109 space = buffer_append_space(&b, blen);
111 /* check version and length! */
112 len = uudecode(buf, space, blen);
116 version = buffer_get_char(&b);
118 GETSTRING(&b, creds->service, sizeof creds->service);
119 GETSTRING(&b, creds->instance, sizeof creds->instance);
120 GETSTRING(&b, creds->realm, sizeof creds->realm);
121 GETSTRING(&b, creds->pname, sizeof creds->pname);
122 GETSTRING(&b, creds->pinst, sizeof creds->pinst);
124 if (buffer_len(&b) == 0)
127 /* Ignore possibly different realm. */
128 while (buffer_len(&b) > 0 && (c = buffer_get_char(&b)) != '\0')
131 if (buffer_len(&b) == 0)
134 creds->issue_date = buffer_get_int(&b);
136 endTime = buffer_get_int(&b);
137 creds->lifetime = krb_time_to_life(creds->issue_date, endTime);
139 len = buffer_len(&b);
140 if (len < sizeof(creds->session))
142 memcpy(&creds->session, buffer_ptr(&b), sizeof(creds->session));
143 buffer_consume(&b, sizeof(creds->session));
145 creds->kvno = buffer_get_short(&b);
147 p = buffer_get_string(&b, &len);
148 if (len < 0 || len > sizeof(creds->ticket_st.dat))
150 memcpy(&creds->ticket_st.dat, p, len);
151 creds->ticket_st.length = len;