1 /*
2  * Copyright (C) 2015 Red Hat, Inc.
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with this library.  If not, see
16  * <http://www.gnu.org/licenses/>.
17  *
18  * Author: Daniel P. Berrange <berrange@redhat.com>
19  */
20 
21 #ifndef TESTS_CRYPTO_TLS_X509_HELPERS_H
22 #define TESTS_CRYPTO_TLS_X509_HELPERS_H
23 
24 #include <gnutls/gnutls.h>
25 #include <gnutls/x509.h>
26 
27 
28 #define QCRYPTO_TLS_TEST_CLIENT_NAME "ACME QEMU Client"
29 #define QCRYPTO_TLS_TEST_CLIENT_HOSTILE_NAME "ACME Hostile Client"
30 
31 /*
32  * This contains parameter about how to generate
33  * certificates.
34  */
35 typedef struct QCryptoTLSTestCertReq QCryptoTLSTestCertReq;
36 struct QCryptoTLSTestCertReq {
37     gnutls_x509_crt_t crt;
38 
39     const char *filename;
40 
41     /* Identifying information */
42     const char *country;
43     const char *cn;
44     const char *altname1;
45     const char *altname2;
46     const char *ipaddr1;
47     const char *ipaddr2;
48 
49     /* Basic constraints */
50     bool basicConstraintsEnable;
51     bool basicConstraintsCritical;
52     bool basicConstraintsIsCA;
53 
54     /* Key usage */
55     bool keyUsageEnable;
56     bool keyUsageCritical;
57     int keyUsageValue;
58 
59     /* Key purpose (aka Extended key usage) */
60     bool keyPurposeEnable;
61     bool keyPurposeCritical;
62     const char *keyPurposeOID1;
63     const char *keyPurposeOID2;
64 
65     /* zero for current time, or non-zero for hours from now */
66     int start_offset;
67     /* zero for 24 hours from now, or non-zero for hours from now */
68     int expire_offset;
69 };
70 
71 void test_tls_generate_cert(QCryptoTLSTestCertReq *req,
72                             gnutls_x509_crt_t ca);
73 void test_tls_write_cert_chain(const char *filename,
74                                gnutls_x509_crt_t *certs,
75                                size_t ncerts);
76 /*
77  * Deinitialize the QCryptoTLSTestCertReq, but don't delete the certificate
78  * file on disk. (The caller is then responsible for doing that themselves.
79  */
80 void test_tls_deinit_cert(QCryptoTLSTestCertReq *req);
81 /* Deinit the QCryptoTLSTestCertReq, and delete the certificate file */
82 void test_tls_discard_cert(QCryptoTLSTestCertReq *req);
83 
84 void test_tls_init(const char *keyfile);
85 void test_tls_cleanup(const char *keyfile);
86 
87 # define TLS_CERT_REQ(varname, cavarname,                               \
88                       country, commonname,                              \
89                       altname1, altname2,                               \
90                       ipaddr1, ipaddr2,                                 \
91                       basicconsenable, basicconscritical, basicconsca,  \
92                       keyusageenable, keyusagecritical, keyusagevalue,  \
93                       keypurposeenable, keypurposecritical,             \
94                       keypurposeoid1, keypurposeoid2,                   \
95                       startoffset, endoffset)                           \
96     static QCryptoTLSTestCertReq varname = {                            \
97         NULL, WORKDIR #varname "-ctx.pem",                              \
98         country, commonname, altname1, altname2,                        \
99         ipaddr1, ipaddr2,                                               \
100         basicconsenable, basicconscritical, basicconsca,                \
101         keyusageenable, keyusagecritical, keyusagevalue,                \
102         keypurposeenable, keypurposecritical,                           \
103         keypurposeoid1, keypurposeoid2,                                 \
104         startoffset, endoffset                                          \
105     };                                                                  \
106     test_tls_generate_cert(&varname, cavarname.crt)
107 
108 # define TLS_ROOT_REQ(varname,                                          \
109                       country, commonname,                              \
110                       altname1, altname2,                               \
111                       ipaddr1, ipaddr2,                                 \
112                       basicconsenable, basicconscritical, basicconsca,  \
113                       keyusageenable, keyusagecritical, keyusagevalue,  \
114                       keypurposeenable, keypurposecritical,             \
115                       keypurposeoid1, keypurposeoid2,                   \
116                       startoffset, endoffset)                           \
117     static QCryptoTLSTestCertReq varname = {                            \
118         NULL, WORKDIR #varname "-ctx.pem",                              \
119         country, commonname, altname1, altname2,                        \
120         ipaddr1, ipaddr2,                                               \
121         basicconsenable, basicconscritical, basicconsca,                \
122         keyusageenable, keyusagecritical, keyusagevalue,                \
123         keypurposeenable, keypurposecritical,                           \
124         keypurposeoid1, keypurposeoid2,                                 \
125         startoffset, endoffset                                          \
126     };                                                                  \
127     test_tls_generate_cert(&varname, NULL)
128 
129 # define TLS_ROOT_REQ_SIMPLE(varname, fname)                            \
130     QCryptoTLSTestCertReq varname = {                                   \
131         .filename = fname,                                              \
132         .cn = "qemu-CA",                                                \
133         .basicConstraintsEnable = true,                                 \
134         .basicConstraintsCritical = true,                               \
135         .basicConstraintsIsCA = true,                                   \
136         .keyUsageEnable = true,                                         \
137         .keyUsageCritical = true,                                       \
138         .keyUsageValue = GNUTLS_KEY_KEY_CERT_SIGN,                      \
139     };                                                                  \
140     test_tls_generate_cert(&varname, NULL)
141 
142 # define TLS_CERT_REQ_SIMPLE_CLIENT(varname, cavarname, cname, fname)   \
143     QCryptoTLSTestCertReq varname = {                                   \
144         .filename = fname,                                              \
145         .cn = cname,                                                    \
146         .basicConstraintsEnable = true,                                 \
147         .basicConstraintsCritical = true,                               \
148         .basicConstraintsIsCA = false,                                  \
149         .keyUsageEnable = true,                                         \
150         .keyUsageCritical = true,                                       \
151         .keyUsageValue =                                                \
152         GNUTLS_KEY_DIGITAL_SIGNATURE | GNUTLS_KEY_KEY_ENCIPHERMENT,     \
153         .keyPurposeEnable = true,                                       \
154         .keyPurposeCritical = true,                                     \
155         .keyPurposeOID1 = GNUTLS_KP_TLS_WWW_CLIENT,                     \
156     };                                                                  \
157     test_tls_generate_cert(&varname, cavarname.crt)
158 
159 # define TLS_CERT_REQ_SIMPLE_SERVER(varname, cavarname, fname,          \
160                                     hostname, ipaddr)                   \
161     QCryptoTLSTestCertReq varname = {                                   \
162         .filename = fname,                                              \
163         .cn = hostname ? hostname : ipaddr,                             \
164         .altname1 = hostname,                                           \
165         .ipaddr1 = ipaddr,                                              \
166         .basicConstraintsEnable = true,                                 \
167         .basicConstraintsCritical = true,                               \
168         .basicConstraintsIsCA = false,                                  \
169         .keyUsageEnable = true,                                         \
170         .keyUsageCritical = true,                                       \
171         .keyUsageValue =                                                \
172         GNUTLS_KEY_DIGITAL_SIGNATURE | GNUTLS_KEY_KEY_ENCIPHERMENT,     \
173         .keyPurposeEnable = true,                                       \
174         .keyPurposeCritical = true,                                     \
175         .keyPurposeOID1 = GNUTLS_KP_TLS_WWW_SERVER,                     \
176     };                                                                  \
177     test_tls_generate_cert(&varname, cavarname.crt)
178 
179 #endif
180