1 /*	$NetBSD: test_addr.c,v 1.1.1.1 2011/04/13 18:15:38 elric Exp $	*/
2 
3 /*
4  * Copyright (c) 2005 Kungliga Tekniska Högskolan
5  * (Royal Institute of Technology, Stockholm, Sweden).
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  *
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * 3. Neither the name of KTH nor the names of its contributors may be
20  *    used to endorse or promote products derived from this software without
21  *    specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY KTH AND ITS CONTRIBUTORS ``AS IS'' AND ANY
24  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
26  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KTH OR ITS CONTRIBUTORS BE
27  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
30  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
31  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
32  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
33  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
34 
35 #include "krb5_locl.h"
36 #include <err.h>
37 
38 static void
39 print_addr(krb5_context context, const char *addr)
40 {
41     krb5_addresses addresses;
42     krb5_error_code ret;
43     char buf[38];
44     char buf2[1000];
45     size_t len;
46     int i;
47 
48     ret = krb5_parse_address(context, addr, &addresses);
49     if (ret)
50 	krb5_err(context, 1, ret, "krb5_parse_address");
51 
52     if (addresses.len < 1)
53 	krb5_err(context, 1, ret, "too few addresses");
54 
55     for (i = 0; i < addresses.len; i++) {
56 	krb5_print_address(&addresses.val[i], buf, sizeof(buf), &len);
57 #if 0
58 	printf("addr %d: %s (%d/%d)\n", i, buf, (int)len, (int)strlen(buf));
59 #endif
60 	if (strlen(buf) > sizeof(buf))
61 	    krb5_err(context, 1, ret, "len %d larger then buf %d",
62 		     (int)strlen(buf), (int)sizeof(buf));
63 	krb5_print_address(&addresses.val[i], buf2, sizeof(buf2), &len);
64 #if 0
65 	printf("addr %d: %s (%d/%d)\n", i, buf2, (int)len, (int)strlen(buf2));
66 #endif
67 	if (strlen(buf2) > sizeof(buf2))
68 	    krb5_err(context, 1, ret, "len %d larger then buf %d",
69 		     (int)strlen(buf2), (int)sizeof(buf2));
70 
71     }
72     krb5_free_addresses(context, &addresses);
73 
74 }
75 
76 static void
77 truncated_addr(krb5_context context, const char *addr,
78 	       size_t truncate_len, size_t outlen)
79 {
80     krb5_addresses addresses;
81     krb5_error_code ret;
82     char *buf;
83     size_t len;
84 
85     buf = ecalloc(1, outlen + 1);
86 
87     ret = krb5_parse_address(context, addr, &addresses);
88     if (ret)
89 	krb5_err(context, 1, ret, "krb5_parse_address");
90 
91     if (addresses.len != 1)
92 	krb5_err(context, 1, ret, "addresses should be one");
93 
94     krb5_print_address(&addresses.val[0], buf, truncate_len, &len);
95 
96 #if 0
97     printf("addr %s (%d/%d) should be %d\n", buf, (int)len, (int)strlen(buf), (int)outlen);
98 #endif
99 
100     if (truncate_len > strlen(buf) + 1)
101 	krb5_err(context, 1, ret, "%s truncate_len %d larger then strlen %d source %s",
102 		 buf, (int)truncate_len, (int)strlen(buf), addr);
103 
104     if (outlen != len)
105 	krb5_err(context, 1, ret, "%s: outlen %d != len %d",
106 		 buf, (int)outlen, (int)strlen(buf));
107 
108     krb5_print_address(&addresses.val[0], buf, outlen + 1, &len);
109 
110 #if 0
111     printf("addr %s (%d/%d)\n", buf, (int)len, (int)strlen(buf));
112 #endif
113 
114     if (len != outlen)
115 	abort();
116     if (strlen(buf) != len)
117 	abort();
118 
119     krb5_free_addresses(context, &addresses);
120     free(buf);
121 }
122 
123 static void
124 check_truncation(krb5_context context, const char *addr)
125 {
126     int i, len = strlen(addr);
127 
128     truncated_addr(context, addr, len, len);
129 
130     for (i = 0; i < len; i++)
131 	truncated_addr(context, addr, i, len);
132 }
133 
134 static void
135 match_addr(krb5_context context, const char *range_addr,
136 	   const char *one_addr, int match)
137 {
138     krb5_addresses range, one;
139     krb5_error_code ret;
140 
141     ret = krb5_parse_address(context, range_addr, &range);
142     if (ret)
143 	krb5_err(context, 1, ret, "krb5_parse_address");
144 
145     if (range.len != 1)
146 	krb5_err(context, 1, ret, "wrong num of addresses");
147 
148     ret = krb5_parse_address(context, one_addr, &one);
149     if (ret)
150 	krb5_err(context, 1, ret, "krb5_parse_address");
151 
152     if (one.len != 1)
153 	krb5_err(context, 1, ret, "wrong num of addresses");
154 
155     if (krb5_address_order(context, &range.val[0], &one.val[0]) == 0) {
156 	if (!match)
157 	    krb5_errx(context, 1, "match when one shouldn't be");
158     } else {
159 	if (match)
160 	    krb5_errx(context, 1, "no match when one should be");
161     }
162 
163     krb5_free_addresses(context, &range);
164     krb5_free_addresses(context, &one);
165 }
166 
167 #ifdef _MSC_VER
168 
169 /* For the truncation tests, calling strcpy_s() or strcat_s() with a
170    size of 0 results in the invalid parameter handler being invoked.
171    For the debug version, the runtime also throws an assert. */
172 
173 static void
174 inv_param_handler(const wchar_t* expression,
175 		  const wchar_t* function,
176 		  const wchar_t* file,
177 		  unsigned int line,
178 		  uintptr_t pReserved)
179 {
180     printf("Invalid parameter handler invoked for: %S in %S(%d) [%S]\n",
181 	   function, file, line, expression);
182 }
183 
184 static _invalid_parameter_handler _inv_old = NULL;
185 
186 #define SET_INVALID_PARAM_HANDLER _inv_old = _set_invalid_parameter_handler(inv_param_handler)
187 
188 #else
189 
190 #define SET_INVALID_PARAM_HANDLER ((void) 0)
191 
192 #endif
193 
194 int
195 main(int argc, char **argv)
196 {
197     krb5_context context;
198     krb5_error_code ret;
199 
200     SET_INVALID_PARAM_HANDLER;
201 
202     setprogname(argv[0]);
203 
204     ret = krb5_init_context(&context);
205     if (ret)
206 	errx (1, "krb5_init_context failed: %d", ret);
207 
208     print_addr(context, "RANGE:127.0.0.0/8");
209     print_addr(context, "RANGE:127.0.0.0/24");
210     print_addr(context, "RANGE:IPv4:127.0.0.0-IPv4:127.0.0.255");
211     print_addr(context, "RANGE:130.237.237.4/29");
212 #ifdef HAVE_IPV6
213     print_addr(context, "RANGE:2001:db8:1:2:3:4:1428:7ab/64");
214     print_addr(context, "RANGE:IPv6:fe80::209:6bff:fea0:e522/64");
215     print_addr(context, "RANGE:IPv6:fe80::-IPv6:fe80::ffff:ffff:ffff:ffff");
216     print_addr(context, "RANGE:fe80::-fe80::ffff:ffff:ffff:ffff");
217 #endif
218 
219     check_truncation(context, "IPv4:127.0.0.0");
220     check_truncation(context, "RANGE:IPv4:127.0.0.0-IPv4:127.0.0.255");
221 #ifdef HAVE_IPV6
222     check_truncation(context, "IPv6:::");
223     check_truncation(context, "IPv6:::1");
224     check_truncation(context, "IPv6:2001:db8:1:2:3:4:1428:7ab");
225     check_truncation(context, "IPv6:fe80::209:0:0:0");
226     check_truncation(context, "IPv6:fe80::ffff:ffff:ffff:ffff");
227 #endif
228 
229     match_addr(context, "RANGE:127.0.0.0/8", "inet:127.0.0.0", 1);
230     match_addr(context, "RANGE:127.0.0.0/8", "inet:127.255.255.255", 1);
231     match_addr(context, "RANGE:127.0.0.0/8", "inet:128.0.0.0", 0);
232 
233     match_addr(context, "RANGE:130.237.237.8/29", "inet:130.237.237.7", 0);
234     match_addr(context, "RANGE:130.237.237.8/29", "inet:130.237.237.8", 1);
235     match_addr(context, "RANGE:130.237.237.8/29", "inet:130.237.237.15", 1);
236     match_addr(context, "RANGE:130.237.237.8/29", "inet:130.237.237.16", 0);
237 
238     krb5_free_context(context);
239 
240     return 0;
241 }
242