Only set current certificate to valid values.
[openssl.git] / demos / selfsign.c
1 /* NOCW */
2 /* cc -o ssdemo -I../include selfsign.c ../libcrypto.a */
3
4 #include <stdio.h>
5 #include <stdlib.h>
6
7 #include <openssl/pem.h>
8 #include <openssl/conf.h>
9 #include <openssl/x509v3.h>
10
11 int mkit(X509 **x509p, EVP_PKEY **pkeyp, int bits, int serial, int days);
12
13 int main()
14         {
15         BIO *bio_err;
16         X509 *x509=NULL;
17         EVP_PKEY *pkey=NULL;
18
19         CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
20
21         bio_err=BIO_new_fp(stderr, BIO_NOCLOSE);
22
23         mkit(&x509,&pkey,512,0,365);
24
25         RSA_print_fp(stdout,pkey->pkey.rsa,0);
26         X509_print_fp(stdout,x509);
27
28         PEM_write_PrivateKey(stdout,pkey,NULL,NULL,0,NULL, NULL);
29         PEM_write_X509(stdout,x509);
30
31         X509_free(x509);
32         EVP_PKEY_free(pkey);
33
34 #ifdef CUSTOM_EXT
35         /* Only needed if we add objects or custom extensions */
36         X509V3_EXT_cleanup();
37         OBJ_cleanup();
38 #endif
39
40         CRYPTO_mem_leaks(bio_err);
41         BIO_free(bio_err);
42         return(0);
43         }
44
45 #ifdef WIN16
46 #  define MS_CALLBACK   _far _loadds
47 #  define MS_FAR        _far
48 #else
49 #  define MS_CALLBACK
50 #  define MS_FAR
51 #endif
52
53 static void MS_CALLBACK callback(p, n, arg)
54 int p;
55 int n;
56 void *arg;
57         {
58         char c='B';
59
60         if (p == 0) c='.';
61         if (p == 1) c='+';
62         if (p == 2) c='*';
63         if (p == 3) c='\n';
64         fputc(c,stderr);
65         }
66
67 int mkit(x509p,pkeyp,bits,serial,days)
68 X509 **x509p;
69 EVP_PKEY **pkeyp;
70 int bits;
71 int serial;
72 int days;
73         {
74         X509 *x;
75         EVP_PKEY *pk;
76         RSA *rsa;
77         X509_NAME *name=NULL;
78         X509_NAME_ENTRY *ne=NULL;
79         X509_EXTENSION *ex=NULL;
80
81         
82         if ((pkeyp == NULL) || (*pkeyp == NULL))
83                 {
84                 if ((pk=EVP_PKEY_new()) == NULL)
85                         {
86                         abort(); 
87                         return(0);
88                         }
89                 }
90         else
91                 pk= *pkeyp;
92
93         if ((x509p == NULL) || (*x509p == NULL))
94                 {
95                 if ((x=X509_new()) == NULL)
96                         goto err;
97                 }
98         else
99                 x= *x509p;
100
101         rsa=RSA_generate_key(bits,RSA_F4,callback,NULL);
102         if (!EVP_PKEY_assign_RSA(pk,rsa))
103                 {
104                 abort();
105                 goto err;
106                 }
107         rsa=NULL;
108
109         X509_set_version(x,3);
110         ASN1_INTEGER_set(X509_get_serialNumber(x),serial);
111         X509_gmtime_adj(X509_get_notBefore(x),0);
112         X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days);
113         X509_set_pubkey(x,pk);
114
115         name=X509_get_subject_name(x);
116
117         /* This function creates and adds the entry, working out the
118          * correct string type and performing checks on its length.
119          * Normally we'd check the return value for errors...
120          */
121         X509_NAME_add_entry_by_txt(name,"C",
122                                 MBSTRING_ASC, "UK", -1, -1, 0);
123         X509_NAME_add_entry_by_txt(name,"CN",
124                                 MBSTRING_ASC, "OpenSSL Group", -1, -1, 0);
125
126         X509_set_issuer_name(x,name);
127
128         /* Add extension using V3 code: we can set the config file as NULL
129          * because we wont reference any other sections. We can also set
130          * the context to NULL because none of these extensions below will need
131          * to access it.
132          */
133
134         ex = X509V3_EXT_conf_nid(NULL, NULL, NID_netscape_cert_type, "server");
135         X509_add_ext(x,ex,-1);
136         X509_EXTENSION_free(ex);
137
138         ex = X509V3_EXT_conf_nid(NULL, NULL, NID_netscape_comment,
139                                                 "example comment extension");
140         X509_add_ext(x,ex,-1);
141         X509_EXTENSION_free(ex);
142
143         ex = X509V3_EXT_conf_nid(NULL, NULL, NID_netscape_ssl_server_name,
144                                                         "www.openssl.org");
145
146         X509_add_ext(x,ex,-1);
147         X509_EXTENSION_free(ex);
148
149 #if 0
150         /* might want something like this too.... */
151         ex = X509V3_EXT_conf_nid(NULL, NULL, NID_basic_constraints,
152                                                         "critical,CA:TRUE");
153
154
155         X509_add_ext(x,ex,-1);
156         X509_EXTENSION_free(ex);
157 #endif
158
159 #ifdef CUSTOM_EXT
160         /* Maybe even add our own extension based on existing */
161         {
162                 int nid;
163                 nid = OBJ_create("1.2.3.4", "MyAlias", "My Test Alias Extension");
164                 X509V3_EXT_add_alias(nid, NID_netscape_comment);
165                 ex = X509V3_EXT_conf_nid(NULL, NULL, nid,
166                                                 "example comment alias");
167                 X509_add_ext(x,ex,-1);
168                 X509_EXTENSION_free(ex);
169         }
170 #endif
171         
172         if (!X509_sign(x,pk,EVP_md5()))
173                 goto err;
174
175         *x509p=x;
176         *pkeyp=pk;
177         return(1);
178 err:
179         return(0);
180         }