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Commit | Line | Data |
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8efc0c15 | 1 | /* |
bcbf86ec | 2 | * Copyright (c) 1999 Dug Song. All rights reserved. |
3b358a0e | 3 | * Copyright (c) 2002 Markus Friedl. All rights reserved. |
6ae2364d | 4 | * |
bcbf86ec | 5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions | |
7 | * are met: | |
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. | |
13 | * | |
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. | |
5260325f | 24 | */ |
8efc0c15 | 25 | |
8efc0c15 | 26 | #include "includes.h" |
a306f2dd | 27 | #include "uuencode.h" |
8efc0c15 | 28 | |
661e45a0 | 29 | RCSID("$OpenBSD: radix.c,v 1.22 2002/09/09 14:54:15 markus Exp $"); |
e5a0294f | 30 | |
8efc0c15 | 31 | #ifdef AFS |
32 | #include <krb.h> | |
33 | ||
396c147e | 34 | #include <radix.h> |
3b358a0e | 35 | #include "bufaux.h" |
396c147e | 36 | |
3b358a0e | 37 | int |
38 | creds_to_radix(CREDENTIALS *creds, u_char *buf, size_t buflen) | |
39 | { | |
40 | Buffer b; | |
41 | int ret; | |
8efc0c15 | 42 | |
3b358a0e | 43 | buffer_init(&b); |
8efc0c15 | 44 | |
3b358a0e | 45 | buffer_put_char(&b, 1); /* version */ |
8efc0c15 | 46 | |
3b358a0e | 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'); | |
8efc0c15 | 57 | |
5260325f | 58 | /* Null string to repeat the realm. */ |
3b358a0e | 59 | buffer_put_char(&b, '\0'); |
5260325f | 60 | |
3b358a0e | 61 | buffer_put_int(&b, creds->issue_date); |
62 | buffer_put_int(&b, krb_life_to_time(creds->issue_date, | |
63 | creds->lifetime)); | |
64 | buffer_append(&b, creds->session, sizeof(creds->session)); | |
65 | buffer_put_short(&b, creds->kvno); | |
5260325f | 66 | |
3b358a0e | 67 | /* 32 bit size + data */ |
9a41fe10 | 68 | buffer_put_string(&b, creds->ticket_st.dat, creds->ticket_st.length); |
5260325f | 69 | |
3b358a0e | 70 | ret = uuencode(buffer_ptr(&b), buffer_len(&b), (char *)buf, buflen); |
5260325f | 71 | |
3b358a0e | 72 | buffer_free(&b); |
73 | return ret; | |
8efc0c15 | 74 | } |
75 | ||
3b358a0e | 76 | #define GETSTRING(b, t, tlen) \ |
77 | do { \ | |
afb8fdb4 | 78 | int i, found = 0; \ |
3b358a0e | 79 | for (i = 0; i < tlen; i++) { \ |
80 | if (buffer_len(b) == 0) \ | |
81 | goto done; \ | |
82 | t[i] = buffer_get_char(b); \ | |
afb8fdb4 | 83 | if (t[i] == '\0') { \ |
84 | found = 1; \ | |
3b358a0e | 85 | break; \ |
afb8fdb4 | 86 | } \ |
3b358a0e | 87 | } \ |
afb8fdb4 | 88 | if (!found) \ |
3b358a0e | 89 | goto done; \ |
90 | } while(0) | |
91 | ||
6ae2364d | 92 | int |
5260325f | 93 | radix_to_creds(const char *buf, CREDENTIALS *creds) |
8efc0c15 | 94 | { |
3b358a0e | 95 | Buffer b; |
661e45a0 | 96 | u_char *space; |
97 | char c, version, *p; | |
98 | u_int endTime, len; | |
99 | int blen, ret; | |
8efc0c15 | 100 | |
3b358a0e | 101 | ret = 0; |
102 | blen = strlen(buf); | |
5260325f | 103 | |
3b358a0e | 104 | /* sanity check for size */ |
105 | if (blen > 8192) | |
5260325f | 106 | return 0; |
107 | ||
3b358a0e | 108 | buffer_init(&b); |
109 | space = buffer_append_space(&b, blen); | |
5260325f | 110 | |
111 | /* check version and length! */ | |
3b358a0e | 112 | len = uudecode(buf, space, blen); |
5260325f | 113 | if (len < 1) |
3b358a0e | 114 | goto done; |
5260325f | 115 | |
3b358a0e | 116 | version = buffer_get_char(&b); |
5260325f | 117 | |
3b358a0e | 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); | |
5260325f | 123 | |
3b358a0e | 124 | if (buffer_len(&b) == 0) |
125 | goto done; | |
5260325f | 126 | |
3b358a0e | 127 | /* Ignore possibly different realm. */ |
128 | while (buffer_len(&b) > 0 && (c = buffer_get_char(&b)) != '\0') | |
129 | ; | |
130 | ||
131 | if (buffer_len(&b) == 0) | |
132 | goto done; | |
133 | ||
134 | creds->issue_date = buffer_get_int(&b); | |
135 | ||
136 | endTime = buffer_get_int(&b); | |
137 | creds->lifetime = krb_time_to_life(creds->issue_date, endTime); | |
138 | ||
139 | len = buffer_len(&b); | |
140 | if (len < sizeof(creds->session)) | |
141 | goto done; | |
142 | memcpy(&creds->session, buffer_ptr(&b), sizeof(creds->session)); | |
143 | buffer_consume(&b, sizeof(creds->session)); | |
144 | ||
145 | creds->kvno = buffer_get_short(&b); | |
146 | ||
147 | p = buffer_get_string(&b, &len); | |
148 | if (len < 0 || len > sizeof(creds->ticket_st.dat)) | |
149 | goto done; | |
150 | memcpy(&creds->ticket_st.dat, p, len); | |
151 | creds->ticket_st.length = len; | |
7203d6bb | 152 | |
3b358a0e | 153 | ret = 1; |
154 | done: | |
155 | buffer_free(&b); | |
156 | return ret; | |
5260325f | 157 | } |
8efc0c15 | 158 | #endif /* AFS */ |