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author | Nikos Mavrogiannopoulos <nmav@redhat.com> | 2016-03-30 12:24:09 +0200 |
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committer | Nikos Mavrogiannopoulos <nmav@redhat.com> | 2016-03-31 13:28:48 +0200 |
commit | da1ab1988aca98be042133c50e35a3aaf63afb06 (patch) | |
tree | bd6b994e7cae0d7dfe774eee4165adacae6f7316 | |
parent | cd24f9ec69d714853b5f04a600e7670dd463dc9a (diff) | |
download | gnutls-da1ab1988aca98be042133c50e35a3aaf63afb06.tar.gz |
tests: added check for gnutls_record_set_state() under DTLS
-rw-r--r-- | tests/Makefile.am | 2 | ||||
-rw-r--r-- | tests/key-material-set-dtls.c | 391 |
2 files changed, 392 insertions, 1 deletions
diff --git a/tests/Makefile.am b/tests/Makefile.am index ff7b689311..f3a3fe9212 100644 --- a/tests/Makefile.am +++ b/tests/Makefile.am @@ -96,7 +96,7 @@ ctests = mini-record-2 simple gc set_pkcs12_cred certder certuniqueid \ rehandshake-switch-cert-client-allow handshake-versions dtls-handshake-versions \ dtls-max-record tls-max-record alpn-server-prec ocsp-filename-memleak \ dh-params rehandshake-ext-secret pcert-list session-export-funcs \ - handshake-false-start version-checks key-material-dtls + handshake-false-start version-checks key-material-dtls key-material-set-dtls if HAVE_SECCOMP_TESTS ctests += dtls-with-seccomp tls-with-seccomp dtls-client-with-seccomp tls-client-with-seccomp diff --git a/tests/key-material-set-dtls.c b/tests/key-material-set-dtls.c new file mode 100644 index 0000000000..fb568afc61 --- /dev/null +++ b/tests/key-material-set-dtls.c @@ -0,0 +1,391 @@ +/* + * Copyright (C) 2016 Red Hat, Inc. + * Copyright (C) 2013-2016 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) || !defined(ENABLE_ALPN) + +int main(int argc, char **argv) +{ + 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 whether the gnutls_record_set_state() works as + * expected on DTLS (where sliding window is involved). + */ + +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); +} + +/* These are global */ +static pid_t child; + +static void terminate(void) +{ + int status = 0; + + kill(child, SIGTERM); + wait(&status); + exit(1); +} + +static void client(int fd) +{ + gnutls_session_t session; + int ret; + gnutls_anon_client_credentials_t anoncred; + unsigned char rseq_number[8]; + unsigned char wseq_number[8]; + unsigned i; + char buf[128]; + const char *err; + /* Need to enable anonymous KX specifically. */ + + 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_record_set_timeout(session, 10000); + + /* Use default priorities */ + ret = gnutls_priority_set_direct(session, + "NONE:+VERS-DTLS1.0:+AES-128-CBC:+SHA1:+SIGN-ALL:+COMP-NULL:+ANON-DH:+ANON-ECDH:+CURVE-ALL", + &err); + if (ret < 0) { + fail("client: priority set failed (%s): %s\n", + gnutls_strerror(ret), err); + exit(1); + } + + /* put the anonymous credentials to the current session + */ + gnutls_credentials_set(session, GNUTLS_CRD_ANON, anoncred); + + gnutls_transport_set_int(session, fd); + + /* 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: %s\n", strerror(ret)); + terminate(); + } 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))); + + ret = gnutls_cipher_get(session); + if (ret != GNUTLS_CIPHER_AES_128_CBC) { + fprintf(stderr, "negotiated unexpected cipher: %s\n", gnutls_cipher_get_name(ret)); + terminate(); + } + + ret = gnutls_mac_get(session); + if (ret != GNUTLS_MAC_SHA1) { + fprintf(stderr, "negotiated unexpected mac: %s\n", gnutls_mac_get_name(ret)); + terminate(); + } + + /* save state */ + ret = gnutls_record_get_state(session, 0, NULL, NULL, NULL, wseq_number); + if (ret < 0) { + fprintf(stderr, "error in %d\n", __LINE__); + gnutls_perror(ret); + terminate(); + } + + ret = gnutls_record_get_state(session, 1, NULL, NULL, NULL, rseq_number); + if (ret < 0) { + fprintf(stderr, "error in %d\n", __LINE__); + gnutls_perror(ret); + terminate(); + } + + /* skip past the sliding window */ + for (i=0;i<96;i++) { + ret = gnutls_record_send(session, "hello", 5); + if (ret < 0) { + fail("gnutls_record_send: %s\n", gnutls_strerror(ret)); + } + + ret = gnutls_record_recv(session, buf, sizeof(buf)); + if (ret < 0) { + fail("gnutls_record_recv: %s\n", gnutls_strerror(ret)); + } + } + + ret = gnutls_record_send(session, "reset", 5); + if (ret < 0) { + fail("gnutls_record_send(reset): %s\n", gnutls_strerror(ret)); + } + + ret = gnutls_record_set_state(session, 0, wseq_number); + if (ret < 0) { + fprintf(stderr, "error in %d\n", __LINE__); + gnutls_perror(ret); + terminate(); + } + + ret = gnutls_record_set_state(session, 1, rseq_number); + if (ret < 0) { + fprintf(stderr, "error in %d\n", __LINE__); + gnutls_perror(ret); + terminate(); + } + + ret = gnutls_record_send(session, "ping", 4); + if (ret < 0) { + fail("gnutls_record_send(ping): %s\n", gnutls_strerror(ret)); + } + + ret = gnutls_record_recv(session, buf, sizeof(buf)); + if (ret < 0) { + fail("gnutls_record_recv(pong): %s\n", gnutls_strerror(ret)); + } + + if (ret != 4 || memcmp(buf, "pong", 4) != 0) { + fail("did not receive the expected data"); + } + + gnutls_bye(session, GNUTLS_SHUT_WR); + + close(fd); + + gnutls_deinit(session); + + gnutls_anon_free_client_credentials(anoncred); + + gnutls_global_deinit(); +} + +static void server(int fd) +{ + int ret; + gnutls_session_t session; + gnutls_anon_server_credentials_t anoncred; + gnutls_dh_params_t dh_params; + unsigned char rseq_number[8]; + unsigned char wseq_number[8]; + char buf[128]; + const gnutls_datum_t p3 = + { (unsigned char *) pkcs3, strlen(pkcs3) }; + + /* this must be called once in the program + */ + global_init(); + + if (debug) { + gnutls_global_set_log_function(server_log_func); + gnutls_global_set_log_level(4711); + } + + gnutls_anon_allocate_server_credentials(&anoncred); + gnutls_dh_params_init(&dh_params); + gnutls_dh_params_import_pkcs3(dh_params, &p3, GNUTLS_X509_FMT_PEM); + gnutls_anon_set_server_dh_params(anoncred, dh_params); + + gnutls_init(&session, GNUTLS_SERVER|GNUTLS_DATAGRAM); + gnutls_record_set_timeout(session, 10000); + + /* avoid calling all the priority functions, since the defaults + * are adequate. + */ + ret = gnutls_priority_set_direct(session, + "NORMAL:+ANON-DH:+ANON-ECDH", NULL); + if (ret < 0) { + fail("server: priority set failed (%s)\n\n", + gnutls_strerror(ret)); + terminate(); + } + + gnutls_credentials_set(session, GNUTLS_CRD_ANON, anoncred); + + gnutls_transport_set_int(session, fd); + + 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))); + + /* save state */ + ret = gnutls_record_get_state(session, 0, NULL, NULL, NULL, wseq_number); + if (ret < 0) { + fail("error in %d\n", __LINE__); + } + + ret = gnutls_record_get_state(session, 1, NULL, NULL, NULL, rseq_number); + if (ret < 0) { + fail("error in %d\n", __LINE__); + } + + do { + ret = gnutls_record_recv(session, buf, sizeof(buf)); + + if (ret > 0) { + if (ret == 5 && memcmp(buf, "reset", 5) == 0) { + if (debug) + success("got reset\n"); + break; + } + + ret = gnutls_record_send(session, buf, ret); + } + } while(ret > 0); + + if (ret < 0) { + fail("error: %s\n", gnutls_strerror(ret)); + } + + ret = gnutls_record_set_state(session, 0, wseq_number); + if (ret < 0) { + fail("error in %d\n", __LINE__); + } + + ret = gnutls_record_set_state(session, 1, rseq_number); + if (ret < 0) { + fail("error in %d\n", __LINE__); + } + + ret = gnutls_record_recv(session, buf, sizeof(buf)); + + if (ret == 4 && memcmp(buf, "ping", 4) == 0) { + ret = gnutls_record_send(session, "pong", 4); + } else if (ret > 0) { + fail("did not receive ping; received: %.*s\n", ret, buf); + } else if (ret < 0) { + fail("error receiving: %s\n", gnutls_strerror(ret)); + } + + /* 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_dh_params_deinit(dh_params); + + gnutls_global_deinit(); + + if (debug) + success("server: finished\n"); +} + +static void start(void) +{ + int fd[2]; + int ret; + + ret = socketpair(AF_UNIX, SOCK_STREAM, 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]); + wait(&status); + if (WEXITSTATUS(status) != 0) + fail("Child died with status %d\n", + WEXITSTATUS(status)); + } else { + close(fd[0]); + client(fd[1]); + exit(0); + } +} + +void doit(void) +{ + start(); +} + +#endif /* _WIN32 */ |