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Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This commit is contained in:
Gilles Peskine
2023-01-11 14:52:35 +01:00
parent 480f683d15
commit 1b6c09a62e
391 changed files with 73134 additions and 75084 deletions
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312
programs/ssl/ssl_fork_server.c
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@ -31,24 +31,24 @@
!defined(MBEDTLS_RSA_C) || !defined(MBEDTLS_CTR_DRBG_C) || \
!defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_TIMING_C) || \
!defined(MBEDTLS_FS_IO) || !defined(MBEDTLS_PEM_PARSE_C)
int main( int argc, char *argv[] )
int main(int argc, char *argv[])
{
((void) argc);
((void) argv);
mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_CERTS_C and/or MBEDTLS_ENTROPY_C "
"and/or MBEDTLS_SSL_TLS_C and/or MBEDTLS_SSL_SRV_C and/or "
"MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
"MBEDTLS_CTR_DRBG_C and/or MBEDTLS_X509_CRT_PARSE_C and/or "
"MBEDTLS_TIMING_C and/or MBEDTLS_PEM_PARSE_C not defined.\n");
mbedtls_exit( 0 );
"and/or MBEDTLS_SSL_TLS_C and/or MBEDTLS_SSL_SRV_C and/or "
"MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
"MBEDTLS_CTR_DRBG_C and/or MBEDTLS_X509_CRT_PARSE_C and/or "
"MBEDTLS_TIMING_C and/or MBEDTLS_PEM_PARSE_C not defined.\n");
mbedtls_exit(0);
}
#elif defined(_WIN32)
int main( void )
int main(void)
{
mbedtls_printf("_WIN32 defined. This application requires fork() and signals "
"to work correctly.\n");
mbedtls_exit( 0 );
"to work correctly.\n");
mbedtls_exit(0);
}
#else
@ -75,17 +75,17 @@ int main( void )
#define DEBUG_LEVEL 0
static void my_debug( void *ctx, int level,
const char *file, int line,
const char *str )
static void my_debug(void *ctx, int level,
const char *file, int line,
const char *str)
{
((void) level);
mbedtls_fprintf( (FILE *) ctx, "%s:%04d: %s", file, line, str );
fflush( (FILE *) ctx );
mbedtls_fprintf((FILE *) ctx, "%s:%04d: %s", file, line, str);
fflush((FILE *) ctx);
}
int main( void )
int main(void)
{
int ret = 1, len, cnt = 0, pid;
int exit_code = MBEDTLS_EXIT_FAILURE;
@ -100,126 +100,117 @@ int main( void )
mbedtls_x509_crt srvcert;
mbedtls_pk_context pkey;
mbedtls_net_init( &listen_fd );
mbedtls_net_init( &client_fd );
mbedtls_ssl_init( &ssl );
mbedtls_ssl_config_init( &conf );
mbedtls_entropy_init( &entropy );
mbedtls_pk_init( &pkey );
mbedtls_x509_crt_init( &srvcert );
mbedtls_ctr_drbg_init( &ctr_drbg );
mbedtls_net_init(&listen_fd);
mbedtls_net_init(&client_fd);
mbedtls_ssl_init(&ssl);
mbedtls_ssl_config_init(&conf);
mbedtls_entropy_init(&entropy);
mbedtls_pk_init(&pkey);
mbedtls_x509_crt_init(&srvcert);
mbedtls_ctr_drbg_init(&ctr_drbg);
signal( SIGCHLD, SIG_IGN );
signal(SIGCHLD, SIG_IGN);
/*
* 0. Initial seeding of the RNG
*/
mbedtls_printf( "\n . Initial seeding of the random generator..." );
fflush( stdout );
mbedtls_printf("\n . Initial seeding of the random generator...");
fflush(stdout);
if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
(const unsigned char *) pers,
strlen( pers ) ) ) != 0 )
{
mbedtls_printf( " failed! mbedtls_ctr_drbg_seed returned %d\n\n", ret );
if ((ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy,
(const unsigned char *) pers,
strlen(pers))) != 0) {
mbedtls_printf(" failed! mbedtls_ctr_drbg_seed returned %d\n\n", ret);
goto exit;
}
mbedtls_printf( " ok\n" );
mbedtls_printf(" ok\n");
/*
* 1. Load the certificates and private RSA key
*/
mbedtls_printf( " . Loading the server cert. and key..." );
fflush( stdout );
mbedtls_printf(" . Loading the server cert. and key...");
fflush(stdout);
/*
* This demonstration program uses embedded test certificates.
* Instead, you may want to use mbedtls_x509_crt_parse_file() to read the
* server and CA certificates, as well as mbedtls_pk_parse_keyfile().
*/
ret = mbedtls_x509_crt_parse( &srvcert, (const unsigned char *) mbedtls_test_srv_crt,
mbedtls_test_srv_crt_len );
if( ret != 0 )
{
mbedtls_printf( " failed! mbedtls_x509_crt_parse returned %d\n\n", ret );
ret = mbedtls_x509_crt_parse(&srvcert, (const unsigned char *) mbedtls_test_srv_crt,
mbedtls_test_srv_crt_len);
if (ret != 0) {
mbedtls_printf(" failed! mbedtls_x509_crt_parse returned %d\n\n", ret);
goto exit;
}
ret = mbedtls_x509_crt_parse( &srvcert, (const unsigned char *) mbedtls_test_cas_pem,
mbedtls_test_cas_pem_len );
if( ret != 0 )
{
mbedtls_printf( " failed! mbedtls_x509_crt_parse returned %d\n\n", ret );
ret = mbedtls_x509_crt_parse(&srvcert, (const unsigned char *) mbedtls_test_cas_pem,
mbedtls_test_cas_pem_len);
if (ret != 0) {
mbedtls_printf(" failed! mbedtls_x509_crt_parse returned %d\n\n", ret);
goto exit;
}
ret = mbedtls_pk_parse_key( &pkey, (const unsigned char *) mbedtls_test_srv_key,
mbedtls_test_srv_key_len, NULL, 0 );
if( ret != 0 )
{
mbedtls_printf( " failed! mbedtls_pk_parse_key returned %d\n\n", ret );
ret = mbedtls_pk_parse_key(&pkey, (const unsigned char *) mbedtls_test_srv_key,
mbedtls_test_srv_key_len, NULL, 0);
if (ret != 0) {
mbedtls_printf(" failed! mbedtls_pk_parse_key returned %d\n\n", ret);
goto exit;
}
mbedtls_printf( " ok\n" );
mbedtls_printf(" ok\n");
/*
* 1b. Prepare SSL configuration
*/
mbedtls_printf( " . Configuring SSL..." );
fflush( stdout );
mbedtls_printf(" . Configuring SSL...");
fflush(stdout);
if( ( ret = mbedtls_ssl_config_defaults( &conf,
MBEDTLS_SSL_IS_SERVER,
MBEDTLS_SSL_TRANSPORT_STREAM,
MBEDTLS_SSL_PRESET_DEFAULT ) ) != 0 )
{
mbedtls_printf( " failed! mbedtls_ssl_config_defaults returned %d\n\n", ret );
if ((ret = mbedtls_ssl_config_defaults(&conf,
MBEDTLS_SSL_IS_SERVER,
MBEDTLS_SSL_TRANSPORT_STREAM,
MBEDTLS_SSL_PRESET_DEFAULT)) != 0) {
mbedtls_printf(" failed! mbedtls_ssl_config_defaults returned %d\n\n", ret);
goto exit;
}
mbedtls_ssl_conf_rng( &conf, mbedtls_ctr_drbg_random, &ctr_drbg );
mbedtls_ssl_conf_dbg( &conf, my_debug, stdout );
mbedtls_ssl_conf_rng(&conf, mbedtls_ctr_drbg_random, &ctr_drbg);
mbedtls_ssl_conf_dbg(&conf, my_debug, stdout);
mbedtls_ssl_conf_ca_chain( &conf, srvcert.next, NULL );
if( ( ret = mbedtls_ssl_conf_own_cert( &conf, &srvcert, &pkey ) ) != 0 )
{
mbedtls_printf( " failed! mbedtls_ssl_conf_own_cert returned %d\n\n", ret );
mbedtls_ssl_conf_ca_chain(&conf, srvcert.next, NULL);
if ((ret = mbedtls_ssl_conf_own_cert(&conf, &srvcert, &pkey)) != 0) {
mbedtls_printf(" failed! mbedtls_ssl_conf_own_cert returned %d\n\n", ret);
goto exit;
}
mbedtls_printf( " ok\n" );
mbedtls_printf(" ok\n");
/*
* 2. Setup the listening TCP socket
*/
mbedtls_printf( " . Bind on https://localhost:4433/ ..." );
fflush( stdout );
mbedtls_printf(" . Bind on https://localhost:4433/ ...");
fflush(stdout);
if( ( ret = mbedtls_net_bind( &listen_fd, NULL, "4433", MBEDTLS_NET_PROTO_TCP ) ) != 0 )
{
mbedtls_printf( " failed! mbedtls_net_bind returned %d\n\n", ret );
if ((ret = mbedtls_net_bind(&listen_fd, NULL, "4433", MBEDTLS_NET_PROTO_TCP)) != 0) {
mbedtls_printf(" failed! mbedtls_net_bind returned %d\n\n", ret);
goto exit;
}
mbedtls_printf( " ok\n" );
mbedtls_printf(" ok\n");
while( 1 )
{
while (1) {
/*
* 3. Wait until a client connects
*/
mbedtls_net_init( &client_fd );
mbedtls_ssl_init( &ssl );
mbedtls_net_init(&client_fd);
mbedtls_ssl_init(&ssl);
mbedtls_printf( " . Waiting for a remote connection ...\n" );
fflush( stdout );
mbedtls_printf(" . Waiting for a remote connection ...\n");
fflush(stdout);
if( ( ret = mbedtls_net_accept( &listen_fd, &client_fd,
NULL, 0, NULL ) ) != 0 )
{
mbedtls_printf( " failed! mbedtls_net_accept returned %d\n\n", ret );
if ((ret = mbedtls_net_accept(&listen_fd, &client_fd,
NULL, 0, NULL)) != 0) {
mbedtls_printf(" failed! mbedtls_net_accept returned %d\n\n", ret);
goto exit;
}
@ -227,113 +218,104 @@ int main( void )
* 3.5. Forking server thread
*/
mbedtls_printf( " . Forking to handle connection ..." );
fflush( stdout );
mbedtls_printf(" . Forking to handle connection ...");
fflush(stdout);
pid = fork();
if( pid < 0 )
{
mbedtls_printf(" failed! fork returned %d\n\n", pid );
if (pid < 0) {
mbedtls_printf(" failed! fork returned %d\n\n", pid);
goto exit;
}
if( pid != 0 )
{
mbedtls_printf( " ok\n" );
mbedtls_net_close( &client_fd );
if (pid != 0) {
mbedtls_printf(" ok\n");
mbedtls_net_close(&client_fd);
if( ( ret = mbedtls_ctr_drbg_reseed( &ctr_drbg,
(const unsigned char *) "parent",
6 ) ) != 0 )
{
mbedtls_printf( " failed! mbedtls_ctr_drbg_reseed returned %d\n\n", ret );
if ((ret = mbedtls_ctr_drbg_reseed(&ctr_drbg,
(const unsigned char *) "parent",
6)) != 0) {
mbedtls_printf(" failed! mbedtls_ctr_drbg_reseed returned %d\n\n", ret);
goto exit;
}
continue;
}
mbedtls_net_close( &listen_fd );
mbedtls_net_close(&listen_fd);
pid = getpid();
/*
* 4. Setup stuff
*/
mbedtls_printf( "pid %d: Setting up the SSL data.\n", pid );
fflush( stdout );
mbedtls_printf("pid %d: Setting up the SSL data.\n", pid);
fflush(stdout);
if( ( ret = mbedtls_ctr_drbg_reseed( &ctr_drbg,
(const unsigned char *) "child",
5 ) ) != 0 )
{
if ((ret = mbedtls_ctr_drbg_reseed(&ctr_drbg,
(const unsigned char *) "child",
5)) != 0) {
mbedtls_printf(
"pid %d: SSL setup failed! mbedtls_ctr_drbg_reseed returned %d\n\n",
pid, ret );
"pid %d: SSL setup failed! mbedtls_ctr_drbg_reseed returned %d\n\n",
pid, ret);
goto exit;
}
if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 )
{
if ((ret = mbedtls_ssl_setup(&ssl, &conf)) != 0) {
mbedtls_printf(
"pid %d: SSL setup failed! mbedtls_ssl_setup returned %d\n\n",
pid, ret );
"pid %d: SSL setup failed! mbedtls_ssl_setup returned %d\n\n",
pid, ret);
goto exit;
}
mbedtls_ssl_set_bio( &ssl, &client_fd, mbedtls_net_send, mbedtls_net_recv, NULL );
mbedtls_ssl_set_bio(&ssl, &client_fd, mbedtls_net_send, mbedtls_net_recv, NULL);
mbedtls_printf( "pid %d: SSL setup ok\n", pid );
mbedtls_printf("pid %d: SSL setup ok\n", pid);
/*
* 5. Handshake
*/
mbedtls_printf( "pid %d: Performing the SSL/TLS handshake.\n", pid );
fflush( stdout );
mbedtls_printf("pid %d: Performing the SSL/TLS handshake.\n", pid);
fflush(stdout);
while( ( ret = mbedtls_ssl_handshake( &ssl ) ) != 0 )
{
if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE )
{
while ((ret = mbedtls_ssl_handshake(&ssl)) != 0) {
if (ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE) {
mbedtls_printf(
"pid %d: SSL handshake failed! mbedtls_ssl_handshake returned %d\n\n",
pid, ret );
"pid %d: SSL handshake failed! mbedtls_ssl_handshake returned %d\n\n",
pid, ret);
goto exit;
}
}
mbedtls_printf( "pid %d: SSL handshake ok\n", pid );
mbedtls_printf("pid %d: SSL handshake ok\n", pid);
/*
* 6. Read the HTTP Request
*/
mbedtls_printf( "pid %d: Start reading from client.\n", pid );
fflush( stdout );
mbedtls_printf("pid %d: Start reading from client.\n", pid);
fflush(stdout);
do
{
len = sizeof( buf ) - 1;
memset( buf, 0, sizeof( buf ) );
ret = mbedtls_ssl_read( &ssl, buf, len );
do {
len = sizeof(buf) - 1;
memset(buf, 0, sizeof(buf));
ret = mbedtls_ssl_read(&ssl, buf, len);
if( ret == MBEDTLS_ERR_SSL_WANT_READ || ret == MBEDTLS_ERR_SSL_WANT_WRITE )
if (ret == MBEDTLS_ERR_SSL_WANT_READ || ret == MBEDTLS_ERR_SSL_WANT_WRITE) {
continue;
}
if( ret <= 0 )
{
switch( ret )
{
if (ret <= 0) {
switch (ret) {
case MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY:
mbedtls_printf( "pid %d: connection was closed gracefully\n", pid );
mbedtls_printf("pid %d: connection was closed gracefully\n", pid);
break;
case MBEDTLS_ERR_NET_CONN_RESET:
mbedtls_printf( "pid %d: connection was reset by peer\n", pid );
mbedtls_printf("pid %d: connection was reset by peer\n", pid);
break;
default:
mbedtls_printf( "pid %d: mbedtls_ssl_read returned %d\n", pid, ret );
mbedtls_printf("pid %d: mbedtls_ssl_read returned %d\n", pid, ret);
break;
}
@ -341,70 +323,66 @@ int main( void )
}
len = ret;
mbedtls_printf( "pid %d: %d bytes read\n\n%s", pid, len, (char *) buf );
mbedtls_printf("pid %d: %d bytes read\n\n%s", pid, len, (char *) buf);
if( ret > 0 )
if (ret > 0) {
break;
}
while( 1 );
}
} while (1);
/*
* 7. Write the 200 Response
*/
mbedtls_printf( "pid %d: Start writing to client.\n", pid );
fflush( stdout );
mbedtls_printf("pid %d: Start writing to client.\n", pid);
fflush(stdout);
len = sprintf( (char *) buf, HTTP_RESPONSE,
mbedtls_ssl_get_ciphersuite( &ssl ) );
len = sprintf((char *) buf, HTTP_RESPONSE,
mbedtls_ssl_get_ciphersuite(&ssl));
while( cnt++ < 100 )
{
while( ( ret = mbedtls_ssl_write( &ssl, buf, len ) ) <= 0 )
{
if( ret == MBEDTLS_ERR_NET_CONN_RESET )
{
while (cnt++ < 100) {
while ((ret = mbedtls_ssl_write(&ssl, buf, len)) <= 0) {
if (ret == MBEDTLS_ERR_NET_CONN_RESET) {
mbedtls_printf(
"pid %d: Write failed! peer closed the connection\n\n", pid );
"pid %d: Write failed! peer closed the connection\n\n", pid);
goto exit;
}
if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE )
{
if (ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE) {
mbedtls_printf(
"pid %d: Write failed! mbedtls_ssl_write returned %d\n\n",
pid, ret );
"pid %d: Write failed! mbedtls_ssl_write returned %d\n\n",
pid, ret);
goto exit;
}
}
len = ret;
mbedtls_printf( "pid %d: %d bytes written\n\n%s\n", pid, len, (char *) buf );
mbedtls_printf("pid %d: %d bytes written\n\n%s\n", pid, len, (char *) buf);
mbedtls_net_usleep( 1000000 );
mbedtls_net_usleep(1000000);
}
mbedtls_ssl_close_notify( &ssl );
mbedtls_ssl_close_notify(&ssl);
goto exit;
}
exit_code = MBEDTLS_EXIT_SUCCESS;
exit:
mbedtls_net_free( &client_fd );
mbedtls_net_free( &listen_fd );
mbedtls_net_free(&client_fd);
mbedtls_net_free(&listen_fd);
mbedtls_x509_crt_free( &srvcert );
mbedtls_pk_free( &pkey );
mbedtls_ssl_free( &ssl );
mbedtls_ssl_config_free( &conf );
mbedtls_ctr_drbg_free( &ctr_drbg );
mbedtls_entropy_free( &entropy );
mbedtls_x509_crt_free(&srvcert);
mbedtls_pk_free(&pkey);
mbedtls_ssl_free(&ssl);
mbedtls_ssl_config_free(&conf);
mbedtls_ctr_drbg_free(&ctr_drbg);
mbedtls_entropy_free(&entropy);
#if defined(_WIN32)
mbedtls_printf( " Press Enter to exit this program.\n" );
fflush( stdout ); getchar();
mbedtls_printf(" Press Enter to exit this program.\n");
fflush(stdout); getchar();
#endif
mbedtls_exit( exit_code );
mbedtls_exit(exit_code);
}
#endif /* MBEDTLS_BIGNUM_C && MBEDTLS_CERTS_C && MBEDTLS_ENTROPY_C &&
MBEDTLS_SSL_TLS_C && MBEDTLS_SSL_SRV_C && MBEDTLS_NET_C &&