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-rw-r--r--doc/examples/ex-client-anon.c168
1 files changed, 79 insertions, 89 deletions
diff --git a/doc/examples/ex-client-anon.c b/doc/examples/ex-client-anon.c
index 4cb804e65d..e86e9302f5 100644
--- a/doc/examples/ex-client-anon.c
+++ b/doc/examples/ex-client-anon.c
@@ -19,103 +19,93 @@
#define MAX_BUF 1024
#define MSG "GET / HTTP/1.0\r\n\r\n"
-extern int tcp_connect (void);
-extern void tcp_close (int sd);
+extern int tcp_connect(void);
+extern void tcp_close(int sd);
-int
-main (void)
+int main(void)
{
- int ret, sd, ii;
- gnutls_session_t session;
- char buffer[MAX_BUF + 1];
- gnutls_anon_client_credentials_t anoncred;
- /* Need to enable anonymous KX specifically. */
-
- gnutls_global_init ();
-
- gnutls_anon_allocate_client_credentials (&anoncred);
-
- /* Initialize TLS session
- */
- gnutls_init (&session, GNUTLS_CLIENT);
-
- /* Use default priorities */
- gnutls_priority_set_direct (session, "PERFORMANCE:+ANON-ECDH:+ANON-DH",
- NULL);
-
- /* put the anonymous credentials to the current session
- */
- gnutls_credentials_set (session, GNUTLS_CRD_ANON, anoncred);
-
- /* connect to the peer
- */
- sd = tcp_connect ();
-
- gnutls_transport_set_int (session, sd);
- gnutls_handshake_set_timeout (session, GNUTLS_DEFAULT_HANDSHAKE_TIMEOUT);
-
- /* Perform the TLS handshake
- */
- do
- {
- ret = gnutls_handshake (session);
- }
- while (ret < 0 && gnutls_error_is_fatal (ret) == 0);
-
- if (ret < 0)
- {
- fprintf (stderr, "*** Handshake failed\n");
- gnutls_perror (ret);
- goto end;
- }
- else
- {
- char* desc;
-
- desc = gnutls_session_get_desc(session);
- printf ("- Session info: %s\n", desc);
- gnutls_free(desc);
- }
-
- gnutls_record_send (session, MSG, strlen (MSG));
-
- ret = gnutls_record_recv (session, buffer, MAX_BUF);
- if (ret == 0)
- {
- printf ("- Peer has closed the TLS connection\n");
- goto end;
- }
- else if (ret < 0 && gnutls_error_is_fatal (ret) == 0)
- {
- fprintf (stderr, "*** Warning: %s\n", gnutls_strerror (ret));
- }
- else if (ret < 0)
- {
- fprintf (stderr, "*** Error: %s\n", gnutls_strerror (ret));
- goto end;
- }
-
- if (ret > 0)
- {
- printf ("- Received %d bytes: ", ret);
- for (ii = 0; ii < ret; ii++)
- {
- fputc (buffer[ii], stdout);
+ int ret, sd, ii;
+ gnutls_session_t session;
+ char buffer[MAX_BUF + 1];
+ gnutls_anon_client_credentials_t anoncred;
+ /* Need to enable anonymous KX specifically. */
+
+ gnutls_global_init();
+
+ gnutls_anon_allocate_client_credentials(&anoncred);
+
+ /* Initialize TLS session
+ */
+ gnutls_init(&session, GNUTLS_CLIENT);
+
+ /* Use default priorities */
+ gnutls_priority_set_direct(session,
+ "PERFORMANCE:+ANON-ECDH:+ANON-DH",
+ NULL);
+
+ /* put the anonymous credentials to the current session
+ */
+ gnutls_credentials_set(session, GNUTLS_CRD_ANON, anoncred);
+
+ /* connect to the peer
+ */
+ sd = tcp_connect();
+
+ gnutls_transport_set_int(session, sd);
+ gnutls_handshake_set_timeout(session,
+ GNUTLS_DEFAULT_HANDSHAKE_TIMEOUT);
+
+ /* Perform the TLS handshake
+ */
+ do {
+ ret = gnutls_handshake(session);
+ }
+ while (ret < 0 && gnutls_error_is_fatal(ret) == 0);
+
+ if (ret < 0) {
+ fprintf(stderr, "*** Handshake failed\n");
+ gnutls_perror(ret);
+ goto end;
+ } else {
+ char *desc;
+
+ desc = gnutls_session_get_desc(session);
+ printf("- Session info: %s\n", desc);
+ gnutls_free(desc);
+ }
+
+ gnutls_record_send(session, MSG, strlen(MSG));
+
+ ret = gnutls_record_recv(session, buffer, MAX_BUF);
+ if (ret == 0) {
+ printf("- Peer has closed the TLS connection\n");
+ goto end;
+ } else if (ret < 0 && gnutls_error_is_fatal(ret) == 0) {
+ fprintf(stderr, "*** Warning: %s\n", gnutls_strerror(ret));
+ } else if (ret < 0) {
+ fprintf(stderr, "*** Error: %s\n", gnutls_strerror(ret));
+ goto end;
+ }
+
+ if (ret > 0) {
+ printf("- Received %d bytes: ", ret);
+ for (ii = 0; ii < ret; ii++) {
+ fputc(buffer[ii], stdout);
+ }
+ fputs("\n", stdout);
}
- fputs ("\n", stdout);
- }
- gnutls_bye (session, GNUTLS_SHUT_RDWR);
+ gnutls_bye(session, GNUTLS_SHUT_RDWR);
-end:
+ end:
- tcp_close (sd);
+ tcp_close(sd);
- gnutls_deinit (session);
+ gnutls_deinit(session);
- gnutls_anon_free_client_credentials (anoncred);
+ gnutls_anon_free_client_credentials(anoncred);
- gnutls_global_deinit ();
+ gnutls_global_deinit();
- return 0;
+ return 0;
}