1/*
2 * Copyright (c) 2005 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 *
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * 3. Neither the name of KTH nor the names of its contributors may be
18 *    used to endorse or promote products derived from this software without
19 *    specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY KTH AND ITS CONTRIBUTORS ``AS IS'' AND ANY
22 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KTH OR ITS CONTRIBUTORS BE
25 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
28 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
29 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
30 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
31 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
32
33#include "krb5_locl.h"
34#include <err.h>
35
36static void
37print_addr(krb5_context context, const char *addr)
38{
39    krb5_addresses addresses;
40    krb5_error_code ret;
41    char buf[38];
42    char buf2[1000];
43    size_t len;
44    int i;
45
46    ret = krb5_parse_address(context, addr, &addresses);
47    if (ret)
48	krb5_err(context, 1, ret, "krb5_parse_address");
49
50    if (addresses.len < 1)
51	krb5_err(context, 1, ret, "too few addresses");
52
53    for (i = 0; i < addresses.len; i++) {
54	krb5_print_address(&addresses.val[i], buf, sizeof(buf), &len);
55#if 0
56	printf("addr %d: %s (%d/%d)\n", i, buf, (int)len, (int)strlen(buf));
57#endif
58	if (strlen(buf) > sizeof(buf))
59	    krb5_err(context, 1, ret, "len %d larger then buf %d",
60		     (int)strlen(buf), (int)sizeof(buf));
61	krb5_print_address(&addresses.val[i], buf2, sizeof(buf2), &len);
62#if 0
63	printf("addr %d: %s (%d/%d)\n", i, buf2, (int)len, (int)strlen(buf2));
64#endif
65	if (strlen(buf2) > sizeof(buf2))
66	    krb5_err(context, 1, ret, "len %d larger then buf %d",
67		     (int)strlen(buf2), (int)sizeof(buf2));
68
69    }
70    krb5_free_addresses(context, &addresses);
71
72}
73
74static void
75truncated_addr(krb5_context context, const char *addr,
76	       size_t truncate_len, size_t outlen)
77{
78    krb5_addresses addresses;
79    krb5_error_code ret;
80    char *buf;
81    size_t len;
82
83    buf = ecalloc(1, outlen + 1);
84
85    ret = krb5_parse_address(context, addr, &addresses);
86    if (ret)
87	krb5_err(context, 1, ret, "krb5_parse_address");
88
89    if (addresses.len != 1)
90	krb5_err(context, 1, ret, "addresses should be one");
91
92    krb5_print_address(&addresses.val[0], buf, truncate_len, &len);
93
94#if 0
95    printf("addr %s (%d/%d) should be %d\n", buf, (int)len, (int)strlen(buf), (int)outlen);
96#endif
97
98    if (truncate_len > strlen(buf) + 1)
99	krb5_err(context, 1, ret, "%s truncate_len %d larger then strlen %d source %s",
100		 buf, (int)truncate_len, (int)strlen(buf), addr);
101
102    if (outlen != len)
103	krb5_err(context, 1, ret, "%s: outlen %d != len %d",
104		 buf, (int)outlen, (int)strlen(buf));
105
106    krb5_print_address(&addresses.val[0], buf, outlen + 1, &len);
107
108#if 0
109    printf("addr %s (%d/%d)\n", buf, (int)len, (int)strlen(buf));
110#endif
111
112    if (len != outlen)
113	abort();
114    if (strlen(buf) != len)
115	abort();
116
117    krb5_free_addresses(context, &addresses);
118    free(buf);
119}
120
121static void
122check_truncation(krb5_context context, const char *addr)
123{
124    int i, len = strlen(addr);
125
126    truncated_addr(context, addr, len, len);
127
128    for (i = 0; i < len; i++)
129	truncated_addr(context, addr, i, len);
130}
131
132static void
133match_addr(krb5_context context, const char *range_addr,
134	   const char *one_addr, int match)
135{
136    krb5_addresses range, one;
137    krb5_error_code ret;
138
139    ret = krb5_parse_address(context, range_addr, &range);
140    if (ret)
141	krb5_err(context, 1, ret, "krb5_parse_address");
142
143    if (range.len != 1)
144	krb5_err(context, 1, ret, "wrong num of addresses");
145
146    ret = krb5_parse_address(context, one_addr, &one);
147    if (ret)
148	krb5_err(context, 1, ret, "krb5_parse_address");
149
150    if (one.len != 1)
151	krb5_err(context, 1, ret, "wrong num of addresses");
152
153    if (krb5_address_order(context, &range.val[0], &one.val[0]) == 0) {
154	if (!match)
155	    krb5_errx(context, 1, "match when one shouldn't be");
156    } else {
157	if (match)
158	    krb5_errx(context, 1, "no match when one should be");
159    }
160
161    krb5_free_addresses(context, &range);
162    krb5_free_addresses(context, &one);
163}
164
165#ifdef _MSC_VER
166
167/* For the truncation tests, calling strcpy_s() or strcat_s() with a
168   size of 0 results in the invalid parameter handler being invoked.
169   For the debug version, the runtime also throws an assert. */
170
171static void
172inv_param_handler(const wchar_t* expression,
173		  const wchar_t* function,
174		  const wchar_t* file,
175		  unsigned int line,
176		  uintptr_t pReserved)
177{
178    printf("Invalid parameter handler invoked for: %S in %S(%d) [%S]\n",
179	   function, file, line, expression);
180}
181
182static _invalid_parameter_handler _inv_old = NULL;
183
184#define SET_INVALID_PARAM_HANDLER _inv_old = _set_invalid_parameter_handler(inv_param_handler)
185
186#else
187
188#define SET_INVALID_PARAM_HANDLER ((void) 0)
189
190#endif
191
192int
193main(int argc, char **argv)
194{
195    krb5_context context;
196    krb5_error_code ret;
197
198    SET_INVALID_PARAM_HANDLER;
199
200    setprogname(argv[0]);
201
202    ret = krb5_init_context(&context);
203    if (ret)
204	errx (1, "krb5_init_context failed: %d", ret);
205
206    print_addr(context, "RANGE:127.0.0.0/8");
207    print_addr(context, "RANGE:127.0.0.0/24");
208    print_addr(context, "RANGE:IPv4:127.0.0.0-IPv4:127.0.0.255");
209    print_addr(context, "RANGE:130.237.237.4/29");
210#ifdef HAVE_IPV6
211    print_addr(context, "RANGE:2001:db8:1:2:3:4:1428:7ab/64");
212    print_addr(context, "RANGE:IPv6:fe80::209:6bff:fea0:e522/64");
213    print_addr(context, "RANGE:IPv6:fe80::-IPv6:fe80::ffff:ffff:ffff:ffff");
214    print_addr(context, "RANGE:fe80::-fe80::ffff:ffff:ffff:ffff");
215#endif
216
217    check_truncation(context, "IPv4:127.0.0.0");
218    check_truncation(context, "RANGE:IPv4:127.0.0.0-IPv4:127.0.0.255");
219#ifdef HAVE_IPV6
220    check_truncation(context, "IPv6:::");
221    check_truncation(context, "IPv6:::1");
222    check_truncation(context, "IPv6:2001:db8:1:2:3:4:1428:7ab");
223    check_truncation(context, "IPv6:fe80::209:0:0:0");
224    check_truncation(context, "IPv6:fe80::ffff:ffff:ffff:ffff");
225#endif
226
227    match_addr(context, "RANGE:127.0.0.0/8", "inet:127.0.0.0", 1);
228    match_addr(context, "RANGE:127.0.0.0/8", "inet:127.255.255.255", 1);
229    match_addr(context, "RANGE:127.0.0.0/8", "inet:128.0.0.0", 0);
230
231    match_addr(context, "RANGE:130.237.237.8/29", "inet:130.237.237.7", 0);
232    match_addr(context, "RANGE:130.237.237.8/29", "inet:130.237.237.8", 1);
233    match_addr(context, "RANGE:130.237.237.8/29", "inet:130.237.237.15", 1);
234    match_addr(context, "RANGE:130.237.237.8/29", "inet:130.237.237.16", 0);
235
236    krb5_free_context(context);
237
238    return 0;
239}
240