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-rwxr-xr-xopenssl/demos/bio/client-arg.c111
1 files changed, 111 insertions, 0 deletions
diff --git a/openssl/demos/bio/client-arg.c b/openssl/demos/bio/client-arg.c
new file mode 100755
index 000000000..dc354cae0
--- /dev/null
+++ b/openssl/demos/bio/client-arg.c
@@ -0,0 +1,111 @@
+#include <openssl/err.h>
+#include <openssl/ssl.h>
+
+int main(int argc, char **argv)
+{
+ BIO *sbio = NULL, *out = NULL;
+ int len;
+ char tmpbuf[1024];
+ SSL_CTX *ctx;
+ SSL_CONF_CTX *cctx;
+ SSL *ssl;
+ char **args = argv + 1;
+ const char *connect_str = "localhost:4433";
+ int nargs = argc - 1;
+
+ ERR_load_crypto_strings();
+ ERR_load_SSL_strings();
+ SSL_library_init();
+
+ ctx = SSL_CTX_new(SSLv23_client_method());
+ cctx = SSL_CONF_CTX_new();
+ SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT);
+ SSL_CONF_CTX_set_ssl_ctx(cctx, ctx);
+ while (*args && **args == '-') {
+ int rv;
+ /* Parse standard arguments */
+ rv = SSL_CONF_cmd_argv(cctx, &nargs, &args);
+ if (rv == -3) {
+ fprintf(stderr, "Missing argument for %s\n", *args);
+ goto end;
+ }
+ if (rv < 0) {
+ fprintf(stderr, "Error in command %s\n", *args);
+ ERR_print_errors_fp(stderr);
+ goto end;
+ }
+ /* If rv > 0 we processed something so proceed to next arg */
+ if (rv > 0)
+ continue;
+ /* Otherwise application specific argument processing */
+ if (!strcmp(*args, "-connect")) {
+ connect_str = args[1];
+ if (connect_str == NULL) {
+ fprintf(stderr, "Missing -connect argument\n");
+ goto end;
+ }
+ args += 2;
+ nargs -= 2;
+ continue;
+ } else {
+ fprintf(stderr, "Unknown argument %s\n", *args);
+ goto end;
+ }
+ }
+
+ if (!SSL_CONF_CTX_finish(cctx)) {
+ fprintf(stderr, "Finish error\n");
+ ERR_print_errors_fp(stderr);
+ goto err;
+ }
+
+ /*
+ * We'd normally set some stuff like the verify paths and * mode here
+ * because as things stand this will connect to * any server whose
+ * certificate is signed by any CA.
+ */
+
+ sbio = BIO_new_ssl_connect(ctx);
+
+ BIO_get_ssl(sbio, &ssl);
+
+ if (!ssl) {
+ fprintf(stderr, "Can't locate SSL pointer\n");
+ goto end;
+ }
+
+ /* Don't want any retries */
+ SSL_set_mode(ssl, SSL_MODE_AUTO_RETRY);
+
+ /* We might want to do other things with ssl here */
+
+ BIO_set_conn_hostname(sbio, connect_str);
+
+ out = BIO_new_fp(stdout, BIO_NOCLOSE);
+ if (BIO_do_connect(sbio) <= 0) {
+ fprintf(stderr, "Error connecting to server\n");
+ ERR_print_errors_fp(stderr);
+ goto end;
+ }
+
+ if (BIO_do_handshake(sbio) <= 0) {
+ fprintf(stderr, "Error establishing SSL connection\n");
+ ERR_print_errors_fp(stderr);
+ goto end;
+ }
+
+ /* Could examine ssl here to get connection info */
+
+ BIO_puts(sbio, "GET / HTTP/1.0\n\n");
+ for (;;) {
+ len = BIO_read(sbio, tmpbuf, 1024);
+ if (len <= 0)
+ break;
+ BIO_write(out, tmpbuf, len);
+ }
+ end:
+ SSL_CONF_CTX_free(cctx);
+ BIO_free_all(sbio);
+ BIO_free(out);
+ return 0;
+}