--- /dev/null
+/*
+ * Copyright (C) 2012 Free Software Foundation, Inc.
+ *
+ * Author: Nikos Mavrogiannopoulos
+ *
+ * This file is part of GnuTLS.
+ *
+ * GnuTLS is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * GnuTLS is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GnuTLS; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#if defined(_WIN32)
+
+int main()
+{
+ exit(77);
+}
+
+#else
+
+#include <string.h>
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <sys/socket.h>
+#include <sys/wait.h>
+#include <arpa/inet.h>
+#include <unistd.h>
+#include <gnutls/gnutls.h>
+#include <gnutls/dtls.h>
+
+#include "utils.h"
+
+static void terminate(void);
+
+/* This program tests the rehandshake in DTLS
+ */
+
+static void
+server_log_func (int level, const char *str)
+{
+ fprintf (stderr, "server|<%d>| %s", level, str);
+}
+
+static void
+client_log_func (int level, const char *str)
+{
+ fprintf (stderr, "client|<%d>| %s", level, str);
+}
+
+/* A very basic TLS client, with anonymous authentication.
+ */
+
+#define MAX_BUF 1024
+#define MSG "Hello TLS"
+
+gnutls_session_t session;
+
+static ssize_t
+push (gnutls_transport_ptr_t tr, const void *data, size_t len)
+{
+int fd = (long int)tr;
+
+ return send(fd, data, len, 0);
+}
+
+static void
+client (int fd, int server_init)
+{
+ int ret;
+ char buffer[MAX_BUF + 1];
+ gnutls_anon_client_credentials_t anoncred;
+ /* Need to enable anonymous KX specifically. */
+
+ gnutls_global_init ();
+
+ if (debug)
+ {
+ gnutls_global_set_log_function (client_log_func);
+ gnutls_global_set_log_level (4711);
+ }
+
+ gnutls_anon_allocate_client_credentials (&anoncred);
+
+ /* Initialize TLS session
+ */
+ gnutls_init (&session, GNUTLS_CLIENT|GNUTLS_DATAGRAM);
+ gnutls_dtls_set_mtu( session, 1500);
+
+ /* Use default priorities */
+ gnutls_priority_set_direct (session, "NONE:+VERS-DTLS1.0:+CIPHER-ALL:+MAC-ALL:+SIGN-ALL:+COMP-ALL:+ANON-ECDH:+CURVE-ALL", NULL);
+
+ /* put the anonymous credentials to the current session
+ */
+ gnutls_credentials_set (session, GNUTLS_CRD_ANON, anoncred);
+
+ gnutls_transport_set_ptr (session, (gnutls_transport_ptr_t) fd);
+ gnutls_transport_set_push_function (session, push);
+
+ /* Perform the TLS handshake
+ */
+ do
+ {
+ ret = gnutls_handshake (session);
+ }
+ while (ret < 0 && gnutls_error_is_fatal(ret) == 0);
+
+ if (ret < 0)
+ {
+ fail ("client: Handshake failed\n");
+ gnutls_perror (ret);
+ exit(1);
+ }
+ else
+ {
+ if (debug)
+ success ("client: Handshake was completed\n");
+ }
+
+ if (debug)
+ success ("client: TLS version is: %s\n",
+ gnutls_protocol_get_name (gnutls_protocol_get_version
+ (session)));
+
+ if (!server_init)
+ {
+ do {
+ ret = gnutls_record_send (session, MSG, strlen (MSG));
+ } while (ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED);
+
+ if (debug) success("Initiating client rehandshake\n");
+ do
+ {
+ ret = gnutls_handshake (session);
+ }
+ while (ret < 0 && gnutls_error_is_fatal(ret) == 0);
+
+ if (ret < 0)
+ {
+ fail ("2nd client gnutls_handshake: %s\n", gnutls_strerror(ret));
+ terminate();
+ }
+ }
+ else
+ {
+ do {
+ ret = gnutls_record_recv (session, buffer, MAX_BUF);
+ } while (ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED);
+ }
+
+ if (ret == 0)
+ {
+ if (debug)
+ success ("client: Peer has closed the TLS connection\n");
+ goto end;
+ }
+ else if (ret < 0)
+ {
+ if (server_init && ret == GNUTLS_E_REHANDSHAKE)
+ {
+ if (debug) success("Initiating rehandshake due to server request\n");
+ do
+ {
+ ret = gnutls_handshake (session);
+ }
+ while (ret < 0 && gnutls_error_is_fatal(ret) == 0);
+ }
+
+ if (ret != 0)
+ {
+ fail ("client: Error: %s\n", gnutls_strerror (ret));
+ exit(1);
+ }
+ }
+
+ do {
+ ret = gnutls_record_send (session, MSG, strlen (MSG));
+ } while (ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED);
+ gnutls_bye (session, GNUTLS_SHUT_WR);
+
+end:
+
+ close (fd);
+
+ gnutls_deinit (session);
+
+ gnutls_anon_free_client_credentials (anoncred);
+
+ gnutls_global_deinit ();
+}
+
+
+/* These are global */
+gnutls_anon_server_credentials_t anoncred;
+pid_t child;
+
+static gnutls_session_t
+initialize_tls_session (void)
+{
+ gnutls_session_t session;
+
+ gnutls_init (&session, GNUTLS_SERVER|GNUTLS_DATAGRAM);
+ gnutls_dtls_set_mtu( session, 1500);
+
+ /* avoid calling all the priority functions, since the defaults
+ * are adequate.
+ */
+ gnutls_priority_set_direct (session, "NONE:+VERS-DTLS1.0:+CIPHER-ALL:+MAC-ALL:+SIGN-ALL:+COMP-ALL:+ANON-ECDH:+CURVE-ALL", NULL);
+
+ gnutls_credentials_set (session, GNUTLS_CRD_ANON, anoncred);
+
+ return session;
+}
+
+static void terminate(void)
+{
+int status;
+
+ kill(child, SIGTERM);
+ wait(&status);
+ exit(1);
+}
+
+static void
+server (int fd, int server_init)
+{
+int ret;
+char buffer[MAX_BUF + 1];
+ /* this must be called once in the program
+ */
+ gnutls_global_init ();
+
+ if (debug)
+ {
+ gnutls_global_set_log_function (server_log_func);
+ gnutls_global_set_log_level (4711);
+ }
+
+ gnutls_anon_allocate_server_credentials (&anoncred);
+
+ session = initialize_tls_session ();
+
+ gnutls_transport_set_ptr (session, (gnutls_transport_ptr_t) fd);
+ gnutls_transport_set_push_function (session, push);
+
+ do
+ {
+ ret = gnutls_handshake (session);
+ }
+ while (ret < 0 && gnutls_error_is_fatal(ret) == 0);
+ if (ret < 0)
+ {
+ close (fd);
+ gnutls_deinit (session);
+ fail ("server: Handshake has failed (%s)\n\n", gnutls_strerror (ret));
+ terminate();
+ }
+ if (debug)
+ success ("server: Handshake was completed\n");
+
+ if (debug)
+ success ("server: TLS version is: %s\n",
+ gnutls_protocol_get_name (gnutls_protocol_get_version
+ (session)));
+
+ /* see the Getting peer's information example */
+ /* print_info(session); */
+
+ if (server_init)
+ {
+ if (debug) success("server: Sending dummy packet\n");
+ ret = gnutls_rehandshake(session);
+ if (ret < 0)
+ {
+ fail ("gnutls_rehandshake: %s\n", gnutls_strerror(ret));
+ terminate();
+ }
+
+ if (debug) success("server: Initiating rehandshake\n");
+ do
+ {
+ ret = gnutls_handshake (session);
+ }
+ while (ret < 0 && gnutls_error_is_fatal(ret) == 0);
+
+ if (ret < 0)
+ {
+ fail ("server: 2nd gnutls_handshake: %s\n", gnutls_strerror(ret));
+ terminate();
+ }
+ }
+
+ for (;;)
+ {
+ memset (buffer, 0, MAX_BUF + 1);
+
+ do {
+ ret = gnutls_record_recv (session, buffer, MAX_BUF);
+ } while (ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED);
+
+ if (ret == 0)
+ {
+ if (debug)
+ success ("server: Peer has closed the GnuTLS connection\n");
+ break;
+ }
+ else if (ret < 0)
+ {
+ if (!server_init && ret == GNUTLS_E_REHANDSHAKE)
+ {
+ if (debug) success("Initiating rehandshake due to client request\n");
+ do
+ {
+ ret = gnutls_handshake (session);
+ }
+ while (ret < 0 && gnutls_error_is_fatal(ret) == 0);
+ if (ret == 0) break;
+ }
+
+ fail ("server: Received corrupted data(%s). Closing...\n", gnutls_strerror(ret));
+ terminate();
+ }
+ else if (ret > 0)
+ {
+ /* echo data back to the client
+ */
+ do {
+ ret = gnutls_record_send (session, buffer, strlen (buffer));
+ } while (ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED);
+ }
+ }
+
+
+ /* do not wait for the peer to close the connection.
+ */
+ gnutls_bye (session, GNUTLS_SHUT_WR);
+
+ close (fd);
+ gnutls_deinit (session);
+
+ gnutls_anon_free_server_credentials (anoncred);
+
+ gnutls_global_deinit ();
+
+ if (debug)
+ success ("server: finished\n");
+}
+
+static void start (int server_initiated)
+{
+ int fd[2];
+ int ret;
+
+ ret = socketpair(AF_LOCAL, SOCK_DGRAM, 0, fd);
+ if (ret < 0)
+ {
+ perror("socketpair");
+ exit(1);
+ }
+
+ child = fork ();
+ if (child < 0)
+ {
+ perror ("fork");
+ fail ("fork");
+ exit(1);
+ }
+
+ if (child)
+ {
+ int status;
+ /* parent */
+ server (fd[0], server_initiated);
+ wait (&status);
+ if (WEXITSTATUS(status) != 0)
+ fail("Child died with status %d\n", WEXITSTATUS(status));
+ }
+ else
+ {
+ client (fd[1], server_initiated);
+ exit(0);
+ }
+}
+
+void
+doit (void)
+{
+ start(0);
+ start(1);
+}
+
+#endif /* _WIN32 */
--- /dev/null
+/*
+ * Copyright (C) 2004-2012 Free Software Foundation, Inc.
+ *
+ * Author: Simon Josefsson
+ *
+ * This file is part of GnuTLS.
+ *
+ * GnuTLS is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * GnuTLS is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GnuTLS; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+/* Parts copied from GnuTLS example programs. */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#if !defined(_WIN32)
+#include <sys/wait.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#endif
+#include <unistd.h>
+#include <gnutls/gnutls.h>
+
+#include "tcp.c"
+
+#include "utils.h"
+
+static void wrap_db_init (void);
+static void wrap_db_deinit (void);
+static int wrap_db_store (void *dbf, gnutls_datum_t key, gnutls_datum_t data);
+static gnutls_datum_t wrap_db_fetch (void *dbf, gnutls_datum_t key);
+static int wrap_db_delete (void *dbf, gnutls_datum_t key);
+
+#define TLS_SESSION_CACHE 50
+
+struct params_res
+{
+ const char *desc;
+ int enable_db;
+ int enable_session_ticket_server;
+ int enable_session_ticket_client;
+ int expect_resume;
+};
+
+pid_t child;
+
+struct params_res resume_tests[] = {
+ {"try to resume from db", 50, 0, 0, 1},
+ {"try to resume from session ticket", 0, 1, 1, 1},
+ {"try to resume from session ticket (server only)", 0, 1, 0, 0},
+ {"try to resume from session ticket (client only)", 0, 0, 1, 0},
+ {NULL, -1}
+};
+
+/* A very basic TLS client, with anonymous authentication.
+ */
+
+#define MAX_BUF 5*1024
+#define MSG "Hello TLS"
+
+static void
+tls_log_func (int level, const char *str)
+{
+ fprintf (stderr, "%s |<%d>| %s", child ? "server" : "client", level, str);
+}
+
+static void
+client (struct params_res *params)
+{
+ 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. */
+
+ /* variables used in session resuming
+ */
+ int t;
+ gnutls_datum_t session_data;
+
+ if (debug)
+ {
+ gnutls_global_set_log_function (tls_log_func);
+ gnutls_global_set_log_level (2);
+ }
+ gnutls_global_init ();
+
+ gnutls_anon_allocate_client_credentials (&anoncred);
+
+ for (t = 0; t < 2; t++)
+ { /* connect 2 times to the server */
+ /* connect to the peer
+ */
+ sd = tcp_connect ();
+
+ /* Initialize TLS session
+ */
+ gnutls_init (&session, GNUTLS_CLIENT|GNUTLS_DATAGRAM);
+
+ /* Use default priorities */
+ gnutls_priority_set_direct (session, "NONE:+VERS-DTLS1.0:+CIPHER-ALL:+MAC-ALL:+SIGN-ALL:+COMP-ALL:+ANON-DH", NULL);
+
+ /* put the anonymous credentials to the current session
+ */
+ gnutls_credentials_set (session, GNUTLS_CRD_ANON, anoncred);
+
+ if (params->enable_session_ticket_client)
+ gnutls_session_ticket_enable_client (session);
+
+ if (t > 0)
+ {
+ /* if this is not the first time we connect */
+ gnutls_session_set_data (session, session_data.data,
+ session_data.size);
+ gnutls_free (session_data.data);
+ }
+
+ gnutls_transport_set_ptr (session, (gnutls_transport_ptr_t) sd);
+
+ /* Perform the TLS handshake
+ */
+ ret = gnutls_handshake (session);
+
+ if (ret < 0)
+ {
+ fail ("client: Handshake failed\n");
+ gnutls_perror (ret);
+ goto end;
+ }
+ else
+ {
+ if (debug)
+ success ("client: Handshake was completed\n");
+ }
+
+ if (t == 0)
+ { /* the first time we connect */
+ /* get the session data size */
+ ret = gnutls_session_get_data2 (session, &session_data);
+ if (ret < 0)
+ fail ("Getting resume data failed\n");
+ }
+ else
+ { /* the second time we connect */
+
+ /* check if we actually resumed the previous session */
+ if (gnutls_session_is_resumed (session) != 0)
+ {
+ if (params->expect_resume)
+ {
+ if (debug)
+ success ("- Previous session was resumed\n");
+ }
+ else
+ fail ("- Previous session was resumed\n");
+ }
+ else
+ {
+ if (params->expect_resume)
+ {
+ fail ("*** Previous session was NOT resumed\n");
+ }
+ else
+ {
+ if (debug)
+ success
+ ("*** Previous session was NOT resumed (expected)\n");
+ }
+ }
+ }
+
+ gnutls_record_send (session, MSG, strlen (MSG));
+
+ ret = gnutls_record_recv (session, buffer, MAX_BUF);
+ if (ret == 0)
+ {
+ if (debug)
+ success ("client: Peer has closed the TLS connection\n");
+ goto end;
+ }
+ else if (ret < 0)
+ {
+ fail ("client: Error: %s\n", gnutls_strerror (ret));
+ goto end;
+ }
+
+ if (debug )
+ {
+ printf ("- Received %d bytes: ", ret);
+ for (ii = 0; ii < ret; ii++)
+ {
+ fputc (buffer[ii], stdout);
+ }
+ fputs ("\n", stdout);
+ }
+
+ gnutls_bye (session, GNUTLS_SHUT_RDWR);
+
+
+ tcp_close (sd);
+
+ gnutls_deinit (session);
+ }
+
+end:
+ gnutls_anon_free_client_credentials (anoncred);
+}
+
+/* This is a sample TLS 1.0 echo server, for anonymous authentication only.
+ */
+
+#define SA struct sockaddr
+#define PORT 5556 /* listen to 5556 port */
+#define DH_BITS 1024
+
+/* These are global */
+gnutls_anon_server_credentials_t anoncred;
+static gnutls_datum_t session_ticket_key = { NULL, 0 };
+
+static gnutls_session_t
+initialize_tls_session (struct params_res *params)
+{
+ gnutls_session_t session;
+
+ gnutls_init (&session, GNUTLS_SERVER|GNUTLS_DATAGRAM);
+
+ /* avoid calling all the priority functions, since the defaults
+ * are adequate.
+ */
+ gnutls_priority_set_direct (session, "NONE:+VERS-DTLS1.0:+CIPHER-ALL:+MAC-ALL:+SIGN-ALL:+COMP-ALL:+ANON-DH", NULL);
+
+ gnutls_credentials_set (session, GNUTLS_CRD_ANON, anoncred);
+
+ gnutls_dh_set_prime_bits (session, DH_BITS);
+
+ if (params->enable_db)
+ {
+ gnutls_db_set_retrieve_function (session, wrap_db_fetch);
+ gnutls_db_set_remove_function (session, wrap_db_delete);
+ gnutls_db_set_store_function (session, wrap_db_store);
+ gnutls_db_set_ptr (session, NULL);
+ }
+
+ if (params->enable_session_ticket_server)
+ gnutls_session_ticket_enable_server (session, &session_ticket_key);
+
+ return session;
+}
+
+static gnutls_dh_params_t dh_params;
+
+static int
+generate_dh_params (void)
+{
+ const gnutls_datum_t p3 = { (void *) pkcs3, strlen (pkcs3) };
+ /* Generate Diffie-Hellman parameters - for use with DHE
+ * kx algorithms. These should be discarded and regenerated
+ * once a day, once a week or once a month. Depending on the
+ * security requirements.
+ */
+ gnutls_dh_params_init (&dh_params);
+ return gnutls_dh_params_import_pkcs3 (dh_params, &p3, GNUTLS_X509_FMT_PEM);
+}
+
+int err, listen_sd, i;
+int sd, ret;
+struct sockaddr_in sa_serv;
+struct sockaddr_in sa_cli;
+socklen_t client_len;
+char topbuf[512];
+gnutls_session_t session;
+char buffer[MAX_BUF + 1];
+int optval = 1;
+
+static void
+global_start (void)
+{
+ /* Socket operations
+ */
+ listen_sd = socket (AF_INET, SOCK_STREAM, 0);
+ if (err == -1)
+ {
+ perror ("socket");
+ fail ("server: socket failed\n");
+ return;
+ }
+
+ memset (&sa_serv, '\0', sizeof (sa_serv));
+ sa_serv.sin_family = AF_INET;
+ sa_serv.sin_addr.s_addr = INADDR_ANY;
+ sa_serv.sin_port = htons (PORT); /* Server Port number */
+
+ setsockopt (listen_sd, SOL_SOCKET, SO_REUSEADDR, (void *) &optval,
+ sizeof (int));
+
+ err = bind (listen_sd, (SA *) & sa_serv, sizeof (sa_serv));
+ if (err == -1)
+ {
+ perror ("bind");
+ fail ("server: bind failed\n");
+ return;
+ }
+
+ err = listen (listen_sd, 1024);
+ if (err == -1)
+ {
+ perror ("listen");
+ fail ("server: listen failed\n");
+ return;
+ }
+
+ if (debug)
+ success ("server: ready. Listening to port '%d'.\n", PORT);
+}
+
+static void
+global_stop (void)
+{
+ if (debug)
+ success ("global stop\n");
+
+ gnutls_anon_free_server_credentials (anoncred);
+
+ gnutls_dh_params_deinit (dh_params);
+
+ gnutls_global_deinit ();
+
+ shutdown (listen_sd, SHUT_RDWR);
+}
+
+static void
+server (struct params_res *params)
+{
+ size_t t;
+
+ /* this must be called once in the program, it is mostly for the server.
+ */
+ if (debug)
+ {
+ gnutls_global_set_log_function (tls_log_func);
+ gnutls_global_set_log_level (2);
+ }
+
+ gnutls_global_init ();
+ gnutls_anon_allocate_server_credentials (&anoncred);
+
+ if (debug)
+ success ("Launched, generating DH parameters...\n");
+
+ generate_dh_params ();
+
+ gnutls_anon_set_server_dh_params (anoncred, dh_params);
+
+ if (params->enable_db)
+ {
+ wrap_db_init ();
+ }
+
+ if (params->enable_session_ticket_server)
+ gnutls_session_ticket_key_generate (&session_ticket_key);
+
+ for (t = 0; t < 2; t++)
+ {
+ client_len = sizeof (sa_cli);
+
+ session = initialize_tls_session (params);
+
+ sd = accept (listen_sd, (SA *) & sa_cli, &client_len);
+
+ if (debug)
+ success ("server: connection from %s, port %d\n",
+ inet_ntop (AF_INET, &sa_cli.sin_addr, topbuf,
+ sizeof (topbuf)), ntohs (sa_cli.sin_port));
+
+ gnutls_transport_set_ptr (session, (gnutls_transport_ptr_t) sd);
+ ret = gnutls_handshake (session);
+ if (ret < 0)
+ {
+ close (sd);
+ gnutls_deinit (session);
+ fail ("server: Handshake has failed (%s)\n\n",
+ gnutls_strerror (ret));
+ return;
+ }
+ if (debug)
+ success ("server: Handshake was completed\n");
+
+ /* see the Getting peer's information example */
+ /* print_info(session); */
+
+ i = 0;
+ for (;;)
+ {
+ memset (buffer, 0, MAX_BUF + 1);
+ ret = gnutls_record_recv (session, buffer, MAX_BUF);
+
+ if (ret == 0)
+ {
+ if (debug)
+ success ("server: Peer has closed the GnuTLS connection\n");
+ break;
+ }
+ else if (ret < 0)
+ {
+ fail ("server: Received corrupted data(%d). Closing...\n", ret);
+ break;
+ }
+ else if (ret > 0)
+ {
+ /* echo data back to the client
+ */
+ gnutls_record_send (session, buffer, strlen (buffer));
+ }
+ }
+ /* do not wait for the peer to close the connection.
+ */
+ gnutls_bye (session, GNUTLS_SHUT_WR);
+
+ close (sd);
+
+ gnutls_deinit (session);
+ }
+
+ close (listen_sd);
+
+ if (params->enable_db)
+ {
+ wrap_db_deinit ();
+ }
+
+ gnutls_free (session_ticket_key.data);
+ session_ticket_key.data = NULL;
+
+ if (debug)
+ success ("server: finished\n");
+}
+
+void
+doit (void)
+{
+ int i;
+
+ for (i = 0; resume_tests[i].desc; i++)
+ {
+ printf ("%s\n", resume_tests[i].desc);
+
+ global_start ();
+ if (error_count)
+ return;
+
+ child = fork ();
+ if (child < 0)
+ {
+ perror ("fork");
+ fail ("fork");
+ return;
+ }
+
+ if (child)
+ {
+ int status;
+ /* parent */
+ server (&resume_tests[i]);
+ wait (&status);
+ if (WEXITSTATUS(status) > 0)
+ error_count++;
+ global_stop ();
+ }
+ else
+ {
+ client (&resume_tests[i]);
+ gnutls_global_deinit ();
+ if (error_count)
+ exit(1);
+ exit (0);
+ }
+ }
+}
+
+/* Functions and other stuff needed for session resuming.
+ * This is done using a very simple list which holds session ids
+ * and session data.
+ */
+
+#define MAX_SESSION_ID_SIZE 32
+#define MAX_SESSION_DATA_SIZE 1024
+
+typedef struct
+{
+ unsigned char session_id[MAX_SESSION_ID_SIZE];
+ unsigned int session_id_size;
+
+ char session_data[MAX_SESSION_DATA_SIZE];
+ int session_data_size;
+} CACHE;
+
+static CACHE *cache_db;
+static int cache_db_ptr = 0;
+
+static void
+wrap_db_init (void)
+{
+
+ /* allocate cache_db */
+ cache_db = calloc (1, TLS_SESSION_CACHE * sizeof (CACHE));
+}
+
+static void
+wrap_db_deinit (void)
+{
+ free (cache_db);
+ cache_db = NULL;
+ return;
+}
+
+static int
+wrap_db_store (void *dbf, gnutls_datum_t key, gnutls_datum_t data)
+{
+ if (debug)
+ success ("resume db storing... (%d-%d)\n", key.size, data.size);
+
+ if (debug)
+ {
+ unsigned int i;
+ printf ("key:\n");
+ for (i = 0; i < key.size; i++)
+ {
+ printf ("%02x ", key.data[i] & 0xFF);
+ if ((i + 1) % 16 == 0)
+ printf ("\n");
+ }
+ printf ("\n");
+ printf ("data:\n");
+ for (i = 0; i < data.size; i++)
+ {
+ printf ("%02x ", data.data[i] & 0xFF);
+ if ((i + 1) % 16 == 0)
+ printf ("\n");
+ }
+ printf ("\n");
+ }
+
+ if (cache_db == NULL)
+ return -1;
+
+ if (key.size > MAX_SESSION_ID_SIZE)
+ return -1;
+
+ if (data.size > MAX_SESSION_DATA_SIZE)
+ return -1;
+
+ memcpy (cache_db[cache_db_ptr].session_id, key.data, key.size);
+ cache_db[cache_db_ptr].session_id_size = key.size;
+
+ memcpy (cache_db[cache_db_ptr].session_data, data.data, data.size);
+ cache_db[cache_db_ptr].session_data_size = data.size;
+
+ cache_db_ptr++;
+ cache_db_ptr %= TLS_SESSION_CACHE;
+
+ return 0;
+}
+
+static gnutls_datum_t
+wrap_db_fetch (void *dbf, gnutls_datum_t key)
+{
+ gnutls_datum_t res = { NULL, 0 };
+ int i;
+
+ if (debug)
+ success ("resume db fetch... (%d)\n", key.size);
+ if (debug)
+ {
+ unsigned int i;
+ printf ("key:\n");
+ for (i = 0; i < key.size; i++)
+ {
+ printf ("%02x ", key.data[i] & 0xFF);
+ if ((i + 1) % 16 == 0)
+ printf ("\n");
+ }
+ printf ("\n");
+ }
+
+ if (cache_db == NULL)
+ return res;
+
+ for (i = 0; i < TLS_SESSION_CACHE; i++)
+ {
+ if (key.size == cache_db[i].session_id_size &&
+ memcmp (key.data, cache_db[i].session_id, key.size) == 0)
+ {
+ if (debug)
+ success ("resume db fetch... return info\n");
+
+ res.size = cache_db[i].session_data_size;
+
+ res.data = gnutls_malloc (res.size);
+ if (res.data == NULL)
+ return res;
+
+ memcpy (res.data, cache_db[i].session_data, res.size);
+
+ if (debug)
+ {
+ unsigned int i;
+ printf ("data:\n");
+ for (i = 0; i < res.size; i++)
+ {
+ printf ("%02x ", res.data[i] & 0xFF);
+ if ((i + 1) % 16 == 0)
+ printf ("\n");
+ }
+ printf ("\n");
+ }
+
+ return res;
+ }
+ }
+
+ if (debug)
+ success ("resume db fetch... NOT FOUND\n");
+ return res;
+}
+
+static int
+wrap_db_delete (void *dbf, gnutls_datum_t key)
+{
+ int i;
+
+ if (cache_db == NULL)
+ return -1;
+
+ for (i = 0; i < TLS_SESSION_CACHE; i++)
+ {
+ if (key.size == cache_db[i].session_id_size &&
+ memcmp (key.data, cache_db[i].session_id, key.size) == 0)
+ {
+
+ cache_db[i].session_id_size = 0;
+ cache_db[i].session_data_size = 0;
+
+ return 0;
+ }
+ }
+
+ return -1;
+
+}
projects / thirdparty / gnutls.git / commitdiff
