1 #include <openssl/err.h>
2 #include <openssl/ssl.h>
4 int main(int argc, char **argv)
6 BIO *sbio = NULL, *out = NULL;
12 char **args = argv + 1;
13 const char *connect_str = "localhost:4433";
16 ERR_load_crypto_strings();
17 ERR_load_SSL_strings();
20 ctx = SSL_CTX_new(SSLv23_client_method());
21 cctx = SSL_CONF_CTX_new();
22 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT);
23 SSL_CONF_CTX_set_ssl_ctx(cctx, ctx);
24 while (*args && **args == '-') {
26 /* Parse standard arguments */
27 rv = SSL_CONF_cmd_argv(cctx, &nargs, &args);
29 fprintf(stderr, "Missing argument for %s\n", *args);
33 fprintf(stderr, "Error in command %s\n", *args);
34 ERR_print_errors_fp(stderr);
37 /* If rv > 0 we processed something so proceed to next arg */
40 /* Otherwise application specific argument processing */
41 if (strcmp(*args, "-connect") == 0) {
42 connect_str = args[1];
43 if (connect_str == NULL) {
44 fprintf(stderr, "Missing -connect argument\n");
51 fprintf(stderr, "Unknown argument %s\n", *args);
56 if (!SSL_CONF_CTX_finish(cctx)) {
57 fprintf(stderr, "Finish error\n");
58 ERR_print_errors_fp(stderr);
63 * We'd normally set some stuff like the verify paths and * mode here
64 * because as things stand this will connect to * any server whose
65 * certificate is signed by any CA.
68 sbio = BIO_new_ssl_connect(ctx);
70 BIO_get_ssl(sbio, &ssl);
73 fprintf(stderr, "Can't locate SSL pointer\n");
77 /* Don't want any retries */
78 SSL_set_mode(ssl, SSL_MODE_AUTO_RETRY);
80 /* We might want to do other things with ssl here */
82 BIO_set_conn_hostname(sbio, connect_str);
84 out = BIO_new_fp(stdout, BIO_NOCLOSE);
85 if (BIO_do_connect(sbio) <= 0) {
86 fprintf(stderr, "Error connecting to server\n");
87 ERR_print_errors_fp(stderr);
91 if (BIO_do_handshake(sbio) <= 0) {
92 fprintf(stderr, "Error establishing SSL connection\n");
93 ERR_print_errors_fp(stderr);
97 /* Could examine ssl here to get connection info */
99 BIO_puts(sbio, "GET / HTTP/1.0\n\n");
101 len = BIO_read(sbio, tmpbuf, 1024);
104 BIO_write(out, tmpbuf, len);
107 SSL_CONF_CTX_free(cctx);