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Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This commit is contained in:
Gilles Peskine
2023-01-11 14:50:10 +01:00
parent fd13a0f851
commit 449bd8303e
442 changed files with 86735 additions and 89438 deletions
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226
programs/ssl/ssl_client1.c
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@ -26,14 +26,14 @@
!defined(MBEDTLS_NET_C) || !defined(MBEDTLS_RSA_C) || \
!defined(MBEDTLS_PEM_PARSE_C) || !defined(MBEDTLS_CTR_DRBG_C) || \
!defined(MBEDTLS_X509_CRT_PARSE_C)
int main( void )
int main(void)
{
mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_ENTROPY_C and/or "
"MBEDTLS_SSL_TLS_C and/or MBEDTLS_SSL_CLI_C and/or "
"MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
"MBEDTLS_CTR_DRBG_C and/or MBEDTLS_X509_CRT_PARSE_C "
"not defined.\n");
mbedtls_exit( 0 );
"MBEDTLS_SSL_TLS_C and/or MBEDTLS_SSL_CLI_C and/or "
"MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
"MBEDTLS_CTR_DRBG_C and/or MBEDTLS_X509_CRT_PARSE_C "
"not defined.\n");
mbedtls_exit(0);
}
#else
@ -54,17 +54,17 @@ int main( void )
#define DEBUG_LEVEL 1
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;
int exit_code = MBEDTLS_EXIT_FAILURE;
@ -80,220 +80,208 @@ int main( void )
mbedtls_x509_crt cacert;
#if defined(MBEDTLS_DEBUG_C)
mbedtls_debug_set_threshold( DEBUG_LEVEL );
mbedtls_debug_set_threshold(DEBUG_LEVEL);
#endif
/*
* 0. Initialize the RNG and the session data
*/
mbedtls_net_init( &server_fd );
mbedtls_ssl_init( &ssl );
mbedtls_ssl_config_init( &conf );
mbedtls_x509_crt_init( &cacert );
mbedtls_ctr_drbg_init( &ctr_drbg );
mbedtls_net_init(&server_fd);
mbedtls_ssl_init(&ssl);
mbedtls_ssl_config_init(&conf);
mbedtls_x509_crt_init(&cacert);
mbedtls_ctr_drbg_init(&ctr_drbg);
mbedtls_printf( "\n . Seeding the random number generator..." );
fflush( stdout );
mbedtls_printf("\n . Seeding the random number generator...");
fflush(stdout);
mbedtls_entropy_init( &entropy );
if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
(const unsigned char *) pers,
strlen( pers ) ) ) != 0 )
{
mbedtls_printf( " failed\n ! mbedtls_ctr_drbg_seed returned %d\n", ret );
mbedtls_entropy_init(&entropy);
if ((ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy,
(const unsigned char *) pers,
strlen(pers))) != 0) {
mbedtls_printf(" failed\n ! mbedtls_ctr_drbg_seed returned %d\n", ret);
goto exit;
}
mbedtls_printf( " ok\n" );
mbedtls_printf(" ok\n");
/*
* 0. Initialize certificates
*/
mbedtls_printf( " . Loading the CA root certificate ..." );
fflush( stdout );
mbedtls_printf(" . Loading the CA root certificate ...");
fflush(stdout);
ret = mbedtls_x509_crt_parse( &cacert, (const unsigned char *) mbedtls_test_cas_pem,
mbedtls_test_cas_pem_len );
if( ret < 0 )
{
mbedtls_printf( " failed\n ! mbedtls_x509_crt_parse returned -0x%x\n\n", (unsigned int) -ret );
ret = mbedtls_x509_crt_parse(&cacert, (const unsigned char *) mbedtls_test_cas_pem,
mbedtls_test_cas_pem_len);
if (ret < 0) {
mbedtls_printf(" failed\n ! mbedtls_x509_crt_parse returned -0x%x\n\n",
(unsigned int) -ret);
goto exit;
}
mbedtls_printf( " ok (%d skipped)\n", ret );
mbedtls_printf(" ok (%d skipped)\n", ret);
/*
* 1. Start the connection
*/
mbedtls_printf( " . Connecting to tcp/%s/%s...", SERVER_NAME, SERVER_PORT );
fflush( stdout );
mbedtls_printf(" . Connecting to tcp/%s/%s...", SERVER_NAME, SERVER_PORT);
fflush(stdout);
if( ( ret = mbedtls_net_connect( &server_fd, SERVER_NAME,
SERVER_PORT, MBEDTLS_NET_PROTO_TCP ) ) != 0 )
{
mbedtls_printf( " failed\n ! mbedtls_net_connect returned %d\n\n", ret );
if ((ret = mbedtls_net_connect(&server_fd, SERVER_NAME,
SERVER_PORT, MBEDTLS_NET_PROTO_TCP)) != 0) {
mbedtls_printf(" failed\n ! mbedtls_net_connect returned %d\n\n", ret);
goto exit;
}
mbedtls_printf( " ok\n" );
mbedtls_printf(" ok\n");
/*
* 2. Setup stuff
*/
mbedtls_printf( " . Setting up the SSL/TLS structure..." );
fflush( stdout );
mbedtls_printf(" . Setting up the SSL/TLS structure...");
fflush(stdout);
if( ( ret = mbedtls_ssl_config_defaults( &conf,
MBEDTLS_SSL_IS_CLIENT,
MBEDTLS_SSL_TRANSPORT_STREAM,
MBEDTLS_SSL_PRESET_DEFAULT ) ) != 0 )
{
mbedtls_printf( " failed\n ! mbedtls_ssl_config_defaults returned %d\n\n", ret );
if ((ret = mbedtls_ssl_config_defaults(&conf,
MBEDTLS_SSL_IS_CLIENT,
MBEDTLS_SSL_TRANSPORT_STREAM,
MBEDTLS_SSL_PRESET_DEFAULT)) != 0) {
mbedtls_printf(" failed\n ! mbedtls_ssl_config_defaults returned %d\n\n", ret);
goto exit;
}
mbedtls_printf( " ok\n" );
mbedtls_printf(" ok\n");
/* OPTIONAL is not optimal for security,
* but makes interop easier in this simplified example */
mbedtls_ssl_conf_authmode( &conf, MBEDTLS_SSL_VERIFY_OPTIONAL );
mbedtls_ssl_conf_ca_chain( &conf, &cacert, NULL );
mbedtls_ssl_conf_rng( &conf, mbedtls_ctr_drbg_random, &ctr_drbg );
mbedtls_ssl_conf_dbg( &conf, my_debug, stdout );
mbedtls_ssl_conf_authmode(&conf, MBEDTLS_SSL_VERIFY_OPTIONAL);
mbedtls_ssl_conf_ca_chain(&conf, &cacert, NULL);
mbedtls_ssl_conf_rng(&conf, mbedtls_ctr_drbg_random, &ctr_drbg);
mbedtls_ssl_conf_dbg(&conf, my_debug, stdout);
if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 )
{
mbedtls_printf( " failed\n ! mbedtls_ssl_setup returned %d\n\n", ret );
if ((ret = mbedtls_ssl_setup(&ssl, &conf)) != 0) {
mbedtls_printf(" failed\n ! mbedtls_ssl_setup returned %d\n\n", ret);
goto exit;
}
if( ( ret = mbedtls_ssl_set_hostname( &ssl, SERVER_NAME ) ) != 0 )
{
mbedtls_printf( " failed\n ! mbedtls_ssl_set_hostname returned %d\n\n", ret );
if ((ret = mbedtls_ssl_set_hostname(&ssl, SERVER_NAME)) != 0) {
mbedtls_printf(" failed\n ! mbedtls_ssl_set_hostname returned %d\n\n", ret);
goto exit;
}
mbedtls_ssl_set_bio( &ssl, &server_fd, mbedtls_net_send, mbedtls_net_recv, NULL );
mbedtls_ssl_set_bio(&ssl, &server_fd, mbedtls_net_send, mbedtls_net_recv, NULL);
/*
* 4. Handshake
*/
mbedtls_printf( " . Performing the SSL/TLS handshake..." );
fflush( stdout );
mbedtls_printf(" . Performing the SSL/TLS handshake...");
fflush(stdout);
while( ( ret = mbedtls_ssl_handshake( &ssl ) ) != 0 )
{
if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE )
{
mbedtls_printf( " failed\n ! mbedtls_ssl_handshake returned -0x%x\n\n", (unsigned int) -ret );
while ((ret = mbedtls_ssl_handshake(&ssl)) != 0) {
if (ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE) {
mbedtls_printf(" failed\n ! mbedtls_ssl_handshake returned -0x%x\n\n",
(unsigned int) -ret);
goto exit;
}
}
mbedtls_printf( " ok\n" );
mbedtls_printf(" ok\n");
/*
* 5. Verify the server certificate
*/
mbedtls_printf( " . Verifying peer X.509 certificate..." );
mbedtls_printf(" . Verifying peer X.509 certificate...");
/* In real life, we probably want to bail out when ret != 0 */
if( ( flags = mbedtls_ssl_get_verify_result( &ssl ) ) != 0 )
{
if ((flags = mbedtls_ssl_get_verify_result(&ssl)) != 0) {
#if !defined(MBEDTLS_X509_REMOVE_INFO)
char vrfy_buf[512];
#endif
mbedtls_printf( " failed\n" );
mbedtls_printf(" failed\n");
#if !defined(MBEDTLS_X509_REMOVE_INFO)
mbedtls_x509_crt_verify_info( vrfy_buf, sizeof( vrfy_buf ), " ! ", flags );
mbedtls_x509_crt_verify_info(vrfy_buf, sizeof(vrfy_buf), " ! ", flags);
mbedtls_printf( "%s\n", vrfy_buf );
mbedtls_printf("%s\n", vrfy_buf);
#endif
} else {
mbedtls_printf(" ok\n");
}
else
mbedtls_printf( " ok\n" );
/*
* 3. Write the GET request
*/
mbedtls_printf( " > Write to server:" );
fflush( stdout );
mbedtls_printf(" > Write to server:");
fflush(stdout);
len = sprintf( (char *) buf, GET_REQUEST );
len = sprintf((char *) buf, GET_REQUEST);
while( ( ret = mbedtls_ssl_write( &ssl, buf, len ) ) <= 0 )
{
if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE )
{
mbedtls_printf( " failed\n ! mbedtls_ssl_write returned %d\n\n", ret );
while ((ret = mbedtls_ssl_write(&ssl, buf, len)) <= 0) {
if (ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE) {
mbedtls_printf(" failed\n ! mbedtls_ssl_write returned %d\n\n", ret);
goto exit;
}
}
len = ret;
mbedtls_printf( " %d bytes written\n\n%s", len, (char *) buf );
mbedtls_printf(" %d bytes written\n\n%s", len, (char *) buf);
/*
* 7. Read the HTTP response
*/
mbedtls_printf( " < Read from server:" );
fflush( stdout );
mbedtls_printf(" < Read from server:");
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 == MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY )
break;
if( ret < 0 )
{
mbedtls_printf( "failed\n ! mbedtls_ssl_read returned %d\n\n", ret );
if (ret == MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY) {
break;
}
if( ret == 0 )
{
mbedtls_printf( "\n\nEOF\n\n" );
if (ret < 0) {
mbedtls_printf("failed\n ! mbedtls_ssl_read returned %d\n\n", ret);
break;
}
if (ret == 0) {
mbedtls_printf("\n\nEOF\n\n");
break;
}
len = ret;
mbedtls_printf( " %d bytes read\n\n%s", len, (char *) buf );
}
while( 1 );
mbedtls_printf(" %d bytes read\n\n%s", len, (char *) buf);
} while (1);
mbedtls_ssl_close_notify( &ssl );
mbedtls_ssl_close_notify(&ssl);
exit_code = MBEDTLS_EXIT_SUCCESS;
exit:
#ifdef MBEDTLS_ERROR_C
if( exit_code != MBEDTLS_EXIT_SUCCESS )
{
if (exit_code != MBEDTLS_EXIT_SUCCESS) {
char error_buf[100];
mbedtls_strerror( ret, error_buf, 100 );
mbedtls_printf("Last error was: %d - %s\n\n", ret, error_buf );
mbedtls_strerror(ret, error_buf, 100);
mbedtls_printf("Last error was: %d - %s\n\n", ret, error_buf);
}
#endif
mbedtls_net_free( &server_fd );
mbedtls_net_free(&server_fd);
mbedtls_x509_crt_free( &cacert );
mbedtls_ssl_free( &ssl );
mbedtls_ssl_config_free( &conf );
mbedtls_ctr_drbg_free( &ctr_drbg );
mbedtls_entropy_free( &entropy );
mbedtls_x509_crt_free(&cacert);
mbedtls_ssl_free(&ssl);
mbedtls_ssl_config_free(&conf);
mbedtls_ctr_drbg_free(&ctr_drbg);
mbedtls_entropy_free(&entropy);
mbedtls_exit( exit_code );
mbedtls_exit(exit_code);
}
#endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ENTROPY_C && MBEDTLS_SSL_TLS_C &&
MBEDTLS_SSL_CLI_C && MBEDTLS_NET_C && MBEDTLS_RSA_C &&