1/*
2 * Copyright 2016-2022 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the OpenSSL license (the "License").  You may not use
5 * this file except in compliance with the License.  You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10#include <stdio.h>
11#include <string.h>
12#include <openssl/x509.h>
13#include <openssl/x509v3.h>
14#include <openssl/pem.h>
15#include <openssl/err.h>
16#include "internal/nelem.h"
17
18#include "testutil.h"
19
20static const char *infile;
21
22static int test_pathlen(void)
23{
24    X509 *x = NULL;
25    BIO *b = NULL;
26    long pathlen;
27    int ret = 0;
28
29    if (!TEST_ptr(b = BIO_new_file(infile, "r"))
30            || !TEST_ptr(x = PEM_read_bio_X509(b, NULL, NULL, NULL))
31            || !TEST_int_eq(pathlen = X509_get_pathlen(x), 6))
32        goto end;
33
34    ret = 1;
35
36end:
37    BIO_free(b);
38    X509_free(x);
39    return ret;
40}
41
42#ifndef OPENSSL_NO_RFC3779
43static int test_asid(void)
44{
45    ASN1_INTEGER *val1 = NULL, *val2 = NULL;
46    ASIdentifiers *asid1 = ASIdentifiers_new(), *asid2 = ASIdentifiers_new(),
47                  *asid3 = ASIdentifiers_new(), *asid4 = ASIdentifiers_new();
48    int testresult = 0;
49
50    if (!TEST_ptr(asid1)
51            || !TEST_ptr(asid2)
52            || !TEST_ptr(asid3))
53        goto err;
54
55    if (!TEST_ptr(val1 = ASN1_INTEGER_new())
56            || !TEST_true(ASN1_INTEGER_set_int64(val1, 64496)))
57        goto err;
58
59    if (!TEST_true(X509v3_asid_add_id_or_range(asid1, V3_ASID_ASNUM, val1, NULL)))
60        goto err;
61
62    val1 = NULL;
63    if (!TEST_ptr(val2 = ASN1_INTEGER_new())
64            || !TEST_true(ASN1_INTEGER_set_int64(val2, 64497)))
65        goto err;
66
67    if (!TEST_true(X509v3_asid_add_id_or_range(asid2, V3_ASID_ASNUM, val2, NULL)))
68        goto err;
69
70    val2 = NULL;
71    if (!TEST_ptr(val1 = ASN1_INTEGER_new())
72            || !TEST_true(ASN1_INTEGER_set_int64(val1, 64496))
73            || !TEST_ptr(val2 = ASN1_INTEGER_new())
74            || !TEST_true(ASN1_INTEGER_set_int64(val2, 64497)))
75        goto err;
76
77    /*
78     * Just tests V3_ASID_ASNUM for now. Could be extended at some point to also
79     * test V3_ASID_RDI if we think it is worth it.
80     */
81    if (!TEST_true(X509v3_asid_add_id_or_range(asid3, V3_ASID_ASNUM, val1, val2)))
82        goto err;
83    val1 = val2 = NULL;
84
85    /* Actual subsets */
86    if (!TEST_true(X509v3_asid_subset(NULL, NULL))
87            || !TEST_true(X509v3_asid_subset(NULL, asid1))
88            || !TEST_true(X509v3_asid_subset(asid1, asid1))
89            || !TEST_true(X509v3_asid_subset(asid2, asid2))
90            || !TEST_true(X509v3_asid_subset(asid1, asid3))
91            || !TEST_true(X509v3_asid_subset(asid2, asid3))
92            || !TEST_true(X509v3_asid_subset(asid3, asid3))
93            || !TEST_true(X509v3_asid_subset(asid4, asid1))
94            || !TEST_true(X509v3_asid_subset(asid4, asid2))
95            || !TEST_true(X509v3_asid_subset(asid4, asid3)))
96        goto err;
97
98    /* Not subsets */
99    if (!TEST_false(X509v3_asid_subset(asid1, NULL))
100            || !TEST_false(X509v3_asid_subset(asid1, asid2))
101            || !TEST_false(X509v3_asid_subset(asid2, asid1))
102            || !TEST_false(X509v3_asid_subset(asid3, asid1))
103            || !TEST_false(X509v3_asid_subset(asid3, asid2))
104            || !TEST_false(X509v3_asid_subset(asid1, asid4))
105            || !TEST_false(X509v3_asid_subset(asid2, asid4))
106            || !TEST_false(X509v3_asid_subset(asid3, asid4)))
107        goto err;
108
109    testresult = 1;
110 err:
111    ASN1_INTEGER_free(val1);
112    ASN1_INTEGER_free(val2);
113    ASIdentifiers_free(asid1);
114    ASIdentifiers_free(asid2);
115    ASIdentifiers_free(asid3);
116    ASIdentifiers_free(asid4);
117    return testresult;
118}
119
120static struct ip_ranges_st {
121    const unsigned int afi;
122    const char *ip1;
123    const char *ip2;
124    int rorp;
125} ranges[] = {
126    { IANA_AFI_IPV4, "192.168.0.0", "192.168.0.1", IPAddressOrRange_addressPrefix},
127    { IANA_AFI_IPV4, "192.168.0.0", "192.168.0.2", IPAddressOrRange_addressRange},
128    { IANA_AFI_IPV4, "192.168.0.0", "192.168.0.3", IPAddressOrRange_addressPrefix},
129    { IANA_AFI_IPV4, "192.168.0.0", "192.168.0.254", IPAddressOrRange_addressRange},
130    { IANA_AFI_IPV4, "192.168.0.0", "192.168.0.255", IPAddressOrRange_addressPrefix},
131    { IANA_AFI_IPV4, "192.168.0.1", "192.168.0.255", IPAddressOrRange_addressRange},
132    { IANA_AFI_IPV4, "192.168.0.1", "192.168.0.1", IPAddressOrRange_addressPrefix},
133    { IANA_AFI_IPV4, "192.168.0.0", "192.168.255.255", IPAddressOrRange_addressPrefix},
134    { IANA_AFI_IPV4, "192.168.1.0", "192.168.255.255", IPAddressOrRange_addressRange},
135    { IANA_AFI_IPV6, "2001:0db8::0", "2001:0db8::1", IPAddressOrRange_addressPrefix},
136    { IANA_AFI_IPV6, "2001:0db8::0", "2001:0db8::2", IPAddressOrRange_addressRange},
137    { IANA_AFI_IPV6, "2001:0db8::0", "2001:0db8::3", IPAddressOrRange_addressPrefix},
138    { IANA_AFI_IPV6, "2001:0db8::0", "2001:0db8::fffe", IPAddressOrRange_addressRange},
139    { IANA_AFI_IPV6, "2001:0db8::0", "2001:0db8::ffff", IPAddressOrRange_addressPrefix},
140    { IANA_AFI_IPV6, "2001:0db8::1", "2001:0db8::ffff", IPAddressOrRange_addressRange},
141    { IANA_AFI_IPV6, "2001:0db8::1", "2001:0db8::1", IPAddressOrRange_addressPrefix},
142    { IANA_AFI_IPV6, "2001:0db8::0:0", "2001:0db8::ffff:ffff", IPAddressOrRange_addressPrefix},
143    { IANA_AFI_IPV6, "2001:0db8::1:0", "2001:0db8::ffff:ffff", IPAddressOrRange_addressRange}
144};
145
146static int check_addr(IPAddrBlocks *addr, int type)
147{
148    IPAddressFamily *fam;
149    IPAddressOrRange *aorr;
150
151    if (!TEST_int_eq(sk_IPAddressFamily_num(addr), 1))
152        return 0;
153
154    fam = sk_IPAddressFamily_value(addr, 0);
155    if (!TEST_ptr(fam))
156        return 0;
157
158    if (!TEST_int_eq(fam->ipAddressChoice->type, IPAddressChoice_addressesOrRanges))
159        return 0;
160
161    if (!TEST_int_eq(sk_IPAddressOrRange_num(fam->ipAddressChoice->u.addressesOrRanges), 1))
162        return 0;
163
164    aorr = sk_IPAddressOrRange_value(fam->ipAddressChoice->u.addressesOrRanges, 0);
165    if (!TEST_ptr(aorr))
166        return 0;
167
168    if (!TEST_int_eq(aorr->type, type))
169        return 0;
170
171    return 1;
172}
173
174static int test_addr_ranges(void)
175{
176    IPAddrBlocks *addr = NULL;
177    ASN1_OCTET_STRING *ip1 = NULL, *ip2 = NULL;
178    size_t i;
179    int testresult = 0;
180
181    for (i = 0; i < OSSL_NELEM(ranges); i++) {
182        addr = sk_IPAddressFamily_new_null();
183        if (!TEST_ptr(addr))
184            goto end;
185        /*
186         * Has the side effect of installing the comparison function onto the
187         * stack.
188         */
189        if (!TEST_true(X509v3_addr_canonize(addr)))
190            goto end;
191
192        ip1 = a2i_IPADDRESS(ranges[i].ip1);
193        if (!TEST_ptr(ip1))
194            goto end;
195        if (!TEST_true(ip1->length == 4 || ip1->length == 16))
196            goto end;
197        ip2 = a2i_IPADDRESS(ranges[i].ip2);
198        if (!TEST_ptr(ip2))
199            goto end;
200        if (!TEST_int_eq(ip2->length, ip1->length))
201            goto end;
202        if (!TEST_true(memcmp(ip1->data, ip2->data, ip1->length) <= 0))
203            goto end;
204
205        if (!TEST_true(X509v3_addr_add_range(addr, ranges[i].afi, NULL, ip1->data, ip2->data)))
206            goto end;
207
208        if (!TEST_true(X509v3_addr_is_canonical(addr)))
209            goto end;
210
211        if (!check_addr(addr, ranges[i].rorp))
212            goto end;
213
214        sk_IPAddressFamily_pop_free(addr, IPAddressFamily_free);
215        addr = NULL;
216        ASN1_OCTET_STRING_free(ip1);
217        ASN1_OCTET_STRING_free(ip2);
218        ip1 = ip2 = NULL;
219    }
220
221    testresult = 1;
222 end:
223    sk_IPAddressFamily_pop_free(addr, IPAddressFamily_free);
224    ASN1_OCTET_STRING_free(ip1);
225    ASN1_OCTET_STRING_free(ip2);
226    return testresult;
227}
228
229static struct extvalues_st {
230    const char *value;
231    int pass;
232} extvalues[] = {
233    /* No prefix is ok */
234    { "sbgp-ipAddrBlock = IPv4:192.0.0.1\n", 1 },
235    { "sbgp-ipAddrBlock = IPv4:192.0.0.0/0\n", 1 },
236    { "sbgp-ipAddrBlock = IPv4:192.0.0.0/1\n", 1 },
237    { "sbgp-ipAddrBlock = IPv4:192.0.0.0/32\n", 1 },
238    /* Prefix is too long */
239    { "sbgp-ipAddrBlock = IPv4:192.0.0.0/33\n", 0 },
240    /* Unreasonably large prefix */
241    { "sbgp-ipAddrBlock = IPv4:192.0.0.0/12341234\n", 0 },
242    /* Invalid IP addresses */
243    { "sbgp-ipAddrBlock = IPv4:192.0.0\n", 0 },
244    { "sbgp-ipAddrBlock = IPv4:256.0.0.0\n", 0 },
245    { "sbgp-ipAddrBlock = IPv4:-1.0.0.0\n", 0 },
246    { "sbgp-ipAddrBlock = IPv4:192.0.0.0.0\n", 0 },
247    { "sbgp-ipAddrBlock = IPv3:192.0.0.0\n", 0 },
248
249    /* IPv6 */
250    /* No prefix is ok */
251    { "sbgp-ipAddrBlock = IPv6:2001:db8::\n", 1 },
252    { "sbgp-ipAddrBlock = IPv6:2001::db8\n", 1 },
253    { "sbgp-ipAddrBlock = IPv6:2001:0db8:0000:0000:0000:0000:0000:0000\n", 1 },
254    { "sbgp-ipAddrBlock = IPv6:2001:db8::/0\n", 1 },
255    { "sbgp-ipAddrBlock = IPv6:2001:db8::/1\n", 1 },
256    { "sbgp-ipAddrBlock = IPv6:2001:db8::/32\n", 1 },
257    { "sbgp-ipAddrBlock = IPv6:2001:0db8:0000:0000:0000:0000:0000:0000/32\n", 1 },
258    { "sbgp-ipAddrBlock = IPv6:2001:db8::/128\n", 1 },
259    /* Prefix is too long */
260    { "sbgp-ipAddrBlock = IPv6:2001:db8::/129\n", 0 },
261    /* Unreasonably large prefix */
262    { "sbgp-ipAddrBlock = IPv6:2001:db8::/12341234\n", 0 },
263    /* Invalid IP addresses */
264    /* Not enough blocks of numbers */
265    { "sbgp-ipAddrBlock = IPv6:2001:0db8:0000:0000:0000:0000:0000\n", 0 },
266    /* Too many blocks of numbers */
267    { "sbgp-ipAddrBlock = IPv6:2001:0db8:0000:0000:0000:0000:0000:0000:0000\n", 0 },
268    /* First value too large */
269    { "sbgp-ipAddrBlock = IPv6:1ffff:0db8:0000:0000:0000:0000:0000:0000\n", 0 },
270    /* First value with invalid characters */
271    { "sbgp-ipAddrBlock = IPv6:fffg:0db8:0000:0000:0000:0000:0000:0000\n", 0 },
272    /* First value is negative */
273    { "sbgp-ipAddrBlock = IPv6:-1:0db8:0000:0000:0000:0000:0000:0000\n", 0 }
274};
275
276static int test_ext_syntax(void)
277{
278    size_t i;
279    int testresult = 1;
280
281    for (i = 0; i < OSSL_NELEM(extvalues); i++) {
282        X509V3_CTX ctx;
283        BIO *extbio = BIO_new_mem_buf(extvalues[i].value,
284                                      strlen(extvalues[i].value));
285        CONF *conf;
286        long eline;
287
288        if (!TEST_ptr(extbio))
289            return 0 ;
290
291        conf = NCONF_new(NULL);
292        if (!TEST_ptr(conf)) {
293            BIO_free(extbio);
294            return 0;
295        }
296        if (!TEST_long_gt(NCONF_load_bio(conf, extbio, &eline), 0)) {
297            testresult = 0;
298        } else {
299            X509V3_set_ctx_test(&ctx);
300            X509V3_set_nconf(&ctx, conf);
301
302            if (extvalues[i].pass) {
303                if (!TEST_true(X509V3_EXT_add_nconf(conf, &ctx, "default",
304                                                    NULL))) {
305                    TEST_info("Value: %s", extvalues[i].value);
306                    testresult = 0;
307                }
308            } else {
309                ERR_set_mark();
310                if (!TEST_false(X509V3_EXT_add_nconf(conf, &ctx, "default",
311                                                     NULL))) {
312                    testresult = 0;
313                    TEST_info("Value: %s", extvalues[i].value);
314                    ERR_clear_last_mark();
315                } else {
316                    ERR_pop_to_mark();
317                }
318            }
319        }
320        BIO_free(extbio);
321        NCONF_free(conf);
322    }
323
324    return testresult;
325}
326#endif /* OPENSSL_NO_RFC3779 */
327
328int setup_tests(void)
329{
330    if (!TEST_ptr(infile = test_get_argument(0)))
331        return 0;
332
333    ADD_TEST(test_pathlen);
334#ifndef OPENSSL_NO_RFC3779
335    ADD_TEST(test_asid);
336    ADD_TEST(test_addr_ranges);
337    ADD_TEST(test_ext_syntax);
338#endif /* OPENSSL_NO_RFC3779 */
339    return 1;
340}
341