2 #include <openssl/err.h>
3 #include <openssl/ssl.h>
4 #include <openssl/conf.h>
6 int main(int argc, char **argv)
8 BIO *sbio = NULL, *out = NULL;
12 SSL_CONF_CTX *cctx = NULL;
15 STACK_OF(CONF_VALUE) *sect = NULL;
17 const char *connect_str = "localhost:4433";
20 ERR_load_crypto_strings();
21 ERR_load_SSL_strings();
24 conf = NCONF_new(NULL);
26 if (NCONF_load(conf, "connect.cnf", &errline) <= 0) {
28 fprintf(stderr, "Error processing config file\n");
30 fprintf(stderr, "Error on line %ld\n", errline);
34 sect = NCONF_get_section(conf, "default");
37 fprintf(stderr, "Error retrieving default section\n");
41 ctx = SSL_CTX_new(TLS_client_method());
42 cctx = SSL_CONF_CTX_new();
43 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT);
44 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_FILE);
45 SSL_CONF_CTX_set_ssl_ctx(cctx, ctx);
46 for (i = 0; i < sk_CONF_VALUE_num(sect); i++) {
47 cnf = sk_CONF_VALUE_value(sect, i);
48 rv = SSL_CONF_cmd(cctx, cnf->name, cnf->value);
52 fprintf(stderr, "Error processing %s = %s\n",
53 cnf->name, cnf->value);
54 ERR_print_errors_fp(stderr);
57 if (strcmp(cnf->name, "Connect") == 0) {
58 connect_str = cnf->value;
60 fprintf(stderr, "Unknown configuration option %s\n", cnf->name);
65 if (!SSL_CONF_CTX_finish(cctx)) {
66 fprintf(stderr, "Finish error\n");
67 ERR_print_errors_fp(stderr);
72 * We'd normally set some stuff like the verify paths and * mode here
73 * because as things stand this will connect to * any server whose
74 * certificate is signed by any CA.
77 sbio = BIO_new_ssl_connect(ctx);
79 BIO_get_ssl(sbio, &ssl);
82 fprintf(stderr, "Can't locate SSL pointer\n");
86 /* Don't want any retries */
87 SSL_set_mode(ssl, SSL_MODE_AUTO_RETRY);
89 /* We might want to do other things with ssl here */
91 BIO_set_conn_hostname(sbio, connect_str);
93 out = BIO_new_fp(stdout, BIO_NOCLOSE);
94 if (BIO_do_connect(sbio) <= 0) {
95 fprintf(stderr, "Error connecting to server\n");
96 ERR_print_errors_fp(stderr);
100 if (BIO_do_handshake(sbio) <= 0) {
101 fprintf(stderr, "Error establishing SSL connection\n");
102 ERR_print_errors_fp(stderr);
106 /* Could examine ssl here to get connection info */
108 BIO_puts(sbio, "GET / HTTP/1.0\n\n");
110 len = BIO_read(sbio, tmpbuf, 1024);
113 BIO_write(out, tmpbuf, len);
116 SSL_CONF_CTX_free(cctx);