Modify sample accept.cnf
[openssl.git] / demos / bio / client-conf.c
1 #include <openssl/err.h>
2 #include <openssl/ssl.h>
3 #include <openssl/conf.h>
4
5 int main(int argc, char **argv)
6         {
7         BIO *sbio = NULL, *out = NULL;
8         int i, len, rv;
9         char tmpbuf[1024];
10         SSL_CTX *ctx = NULL;
11         SSL_CONF_CTX *cctx = NULL;
12         SSL *ssl = NULL;
13         CONF *conf = NULL;
14         STACK_OF(CONF_VALUE) *sect = NULL;
15         CONF_VALUE *cnf;
16         const char *connect_str = "localhost:4433";
17         long errline = -1;
18
19         ERR_load_crypto_strings();
20         ERR_load_SSL_strings();
21         SSL_library_init();
22
23         conf = NCONF_new(NULL);
24
25         if (NCONF_load(conf, "connect.cnf", &errline) <= 0)
26                 {
27                 if (errline <= 0)
28                         fprintf(stderr, "Error processing config file\n");
29                 else
30                         fprintf(stderr, "Error on line %ld\n", errline);
31                 goto end;
32                 }
33
34         sect = NCONF_get_section(conf, "default");
35
36         if (sect == NULL)
37                 {
38                 fprintf(stderr, "Error retrieving default section\n");
39                 goto end;
40                 }
41
42         ctx = SSL_CTX_new(SSLv23_client_method());
43         cctx = SSL_CONF_CTX_new();
44         SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT);
45         SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_FILE);
46         SSL_CONF_CTX_set_ssl_ctx(cctx, ctx);
47         for (i = 0; i < sk_CONF_VALUE_num(sect); i++)
48                 {
49                 cnf = sk_CONF_VALUE_value(sect, i);
50                 rv = SSL_CONF_cmd(cctx, cnf->name, cnf->value);
51                 if (rv > 0)
52                         continue;
53                 if (rv != -2)
54                         {
55                         fprintf(stderr, "Error processing %s = %s\n",
56                                                 cnf->name, cnf->value);
57                         ERR_print_errors_fp(stderr);
58                         goto end;
59                         }
60                 if (!strcmp(cnf->name, "Connect"))
61                         {
62                         connect_str = cnf->value;
63                         }
64                 else
65                         {
66                         fprintf(stderr, "Unknown configuration option %s\n",
67                                                         cnf->name);
68                         goto end;
69                         }
70                 }
71
72         if (!SSL_CONF_CTX_finish(cctx))
73                 {
74                 fprintf(stderr, "Finish error\n");
75                 ERR_print_errors_fp(stderr);
76                 goto err;
77                 }
78                         
79         /* We'd normally set some stuff like the verify paths and
80         * mode here because as things stand this will connect to
81         * any server whose certificate is signed by any CA.
82          */
83
84         sbio = BIO_new_ssl_connect(ctx);
85
86         BIO_get_ssl(sbio, &ssl);
87
88         if(!ssl)
89                 {
90                 fprintf(stderr, "Can't locate SSL pointer\n");
91                 goto end;
92                 }
93
94         /* Don't want any retries */
95         SSL_set_mode(ssl, SSL_MODE_AUTO_RETRY);
96
97         /* We might want to do other things with ssl here */
98
99         BIO_set_conn_hostname(sbio, connect_str);
100
101         out = BIO_new_fp(stdout, BIO_NOCLOSE);
102         if(BIO_do_connect(sbio) <= 0)
103                 {
104                 fprintf(stderr, "Error connecting to server\n");
105                 ERR_print_errors_fp(stderr);
106                 goto end;
107                 }
108
109         if(BIO_do_handshake(sbio) <= 0)
110                 {
111                 fprintf(stderr, "Error establishing SSL connection\n");
112                 ERR_print_errors_fp(stderr);
113                 goto end;
114                 }
115
116         /* Could examine ssl here to get connection info */
117
118         BIO_puts(sbio, "GET / HTTP/1.0\n\n");
119         for(;;)
120                 {       
121                 len = BIO_read(sbio, tmpbuf, 1024);
122                 if(len <= 0) break;
123                 BIO_write(out, tmpbuf, len);
124                 }
125         end:
126         SSL_CONF_CTX_free(cctx);
127         BIO_free_all(sbio);
128         BIO_free(out);
129         NCONF_free(conf);
130         return 0;
131         }
132