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Diffstat (limited to '')
| -rw-r--r-- | tests/no-signal.c | 244 |
1 files changed, 244 insertions, 0 deletions
diff --git a/tests/no-signal.c b/tests/no-signal.c new file mode 100644 index 0000000..c73d02c --- /dev/null +++ b/tests/no-signal.c @@ -0,0 +1,244 @@ +/* + * Copyright (C) 2015 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> +#include <string.h> + +#if defined(_WIN32) + +int main() +{ + exit(77); +} + +#else + +# 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 <signal.h> + +# ifndef MSG_NOSIGNAL + +int main(void) +{ + exit(77); +} + +# else + +# include "utils.h" + +static +void sigpipe(int sig) +{ + _exit(2); +} + +#define BUF_SIZE 64 + +static void client(int fd) +{ + int ret; + gnutls_anon_client_credentials_t anoncred; + gnutls_session_t session; + char buf[BUF_SIZE]; + char buf2[BUF_SIZE]; + /* Need to enable anonymous KX specifically. */ + + global_init(); + + if (debug) { + gnutls_global_set_log_level(4711); + } + + gnutls_anon_allocate_client_credentials(&anoncred); + + /* Initialize TLS session + */ + gnutls_init(&session, GNUTLS_CLIENT); + gnutls_handshake_set_timeout(session, get_timeout()); + + /* Use default priorities */ + gnutls_priority_set_direct(session, + "NONE:+VERS-TLS1.0:+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_int(session, fd); + + /* Perform the TLS handshake + */ + do { + ret = gnutls_handshake(session); + } + while (ret < 0 && (ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED)); + + ret = gnutls_record_recv(session, buf, sizeof(buf)); + if (ret < 0 || ret != sizeof(buf)) { + kill(getppid(), SIGPIPE); + fail("client: recv failed"); + } + if (debug) + success("client: received %d bytes\n", ret); + + memset(buf2, 0, sizeof(buf)); + if (memcmp(buf, buf2, sizeof(buf)) != 0) { + kill(getppid(), SIGPIPE); + fail("client: recv data failed"); + } + + close(fd); + gnutls_deinit(session); + gnutls_anon_free_client_credentials(anoncred); + gnutls_global_deinit(); + + if (ret < 0) { + fail("client: Handshake failed with unexpected reason: %s\n", gnutls_strerror(ret)); + } else { + if (debug) + success("client: Handshake was completed\n"); + } +} + + +/* These are global */ +pid_t child; + +static void server(int fd) +{ + gnutls_anon_server_credentials_t anoncred; + gnutls_session_t session; + int ret; + char buf[BUF_SIZE]; + unsigned i; + /* this must be called once in the program + */ + global_init(); + + if (debug) { + gnutls_global_set_log_level(4711); + } + + gnutls_anon_allocate_server_credentials(&anoncred); + + gnutls_init(&session, GNUTLS_SERVER|GNUTLS_NO_SIGNAL); + + /* avoid calling all the priority functions, since the defaults + * are adequate. + */ + gnutls_priority_set_direct(session, + "NONE:+VERS-TLS1.0:+CIPHER-ALL:+MAC-ALL:+SIGN-ALL:+COMP-ALL:+ANON-ECDH:+CURVE-ALL", + NULL); + + gnutls_credentials_set(session, GNUTLS_CRD_ANON, anoncred); + + gnutls_transport_set_int(session, fd); + + do { + ret = gnutls_handshake(session); + } + while (ret < 0 && (ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED)); + + if (ret < 0) { + fail("error in handshake: %s\n", gnutls_strerror(ret)); + exit(1); + } + + memset(buf, 0, sizeof(buf)); + for (i=0;i<5;i++) { + sleep(3); + ret = gnutls_record_send(session, buf, sizeof(buf)); + if (ret < 0) + break; + } + + sleep(3); + + gnutls_deinit(session); + gnutls_anon_free_server_credentials(anoncred); + gnutls_global_deinit(); + +} + +static void start(void) +{ + int fd[2]; + int ret; + + /* we need dgram in this test */ + 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) { + /* parent */ + close(fd[0]); + server(fd[1]); + close(fd[1]); + kill(child, SIGTERM); + } else { + close(fd[1]); + client(fd[0]); + close(fd[0]); + exit(0); + } +} + +static void ch_handler(int sig) +{ + int status = 0; + wait(&status); + check_wait_status(status); + return; +} + +void doit(void) +{ + signal(SIGCHLD, ch_handler); + signal(SIGPIPE, sigpipe); + + start(); +} + +# endif /* MSG_NOSIGNAL */ +#endif /* _WIN32 */ |