Revert "Remove programs that depend on TLS or X.509"
This reverts commit 0688e4f2668dab8ad95b734c23b35977134a6d21.
Run scripts/generate_visualc_files.pl to account for the added programs.
diff --git a/programs/x509/cert_app.c b/programs/x509/cert_app.c
new file mode 100644
index 0000000..38fbd51
--- /dev/null
+++ b/programs/x509/cert_app.c
@@ -0,0 +1,515 @@
+/*
+ * Certificate reading application
+ *
+ * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * This file is part of mbed TLS (https://tls.mbed.org)
+ */
+
+#if !defined(MBEDTLS_CONFIG_FILE)
+#include "mbedtls/config.h"
+#else
+#include MBEDTLS_CONFIG_FILE
+#endif
+
+#if defined(MBEDTLS_PLATFORM_C)
+#include "mbedtls/platform.h"
+#else
+#include <stdio.h>
+#include <stdlib.h>
+#define mbedtls_time time
+#define mbedtls_time_t time_t
+#define mbedtls_fprintf fprintf
+#define mbedtls_printf printf
+#define mbedtls_exit exit
+#define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
+#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
+#endif /* MBEDTLS_PLATFORM_C */
+
+#if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_ENTROPY_C) || \
+ !defined(MBEDTLS_SSL_TLS_C) || !defined(MBEDTLS_SSL_CLI_C) || \
+ !defined(MBEDTLS_NET_C) || !defined(MBEDTLS_RSA_C) || \
+ !defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_FS_IO) || \
+ !defined(MBEDTLS_CTR_DRBG_C)
+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_X509_CRT_PARSE_C and/or MBEDTLS_FS_IO and/or "
+ "MBEDTLS_CTR_DRBG_C not defined.\n");
+ return( 0 );
+}
+#else
+
+#include "mbedtls/entropy.h"
+#include "mbedtls/ctr_drbg.h"
+#include "mbedtls/net_sockets.h"
+#include "mbedtls/ssl.h"
+#include "mbedtls/x509.h"
+#include "mbedtls/debug.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define MODE_NONE 0
+#define MODE_FILE 1
+#define MODE_SSL 2
+
+#define DFL_MODE MODE_NONE
+#define DFL_FILENAME "cert.crt"
+#define DFL_CA_FILE ""
+#define DFL_CRL_FILE ""
+#define DFL_CA_PATH ""
+#define DFL_SERVER_NAME "localhost"
+#define DFL_SERVER_PORT "4433"
+#define DFL_DEBUG_LEVEL 0
+#define DFL_PERMISSIVE 0
+
+#define USAGE_IO \
+ " ca_file=%%s The single file containing the top-level CA(s) you fully trust\n" \
+ " default: \"\" (none)\n" \
+ " crl_file=%%s The single CRL file you want to use\n" \
+ " default: \"\" (none)\n" \
+ " ca_path=%%s The path containing the top-level CA(s) you fully trust\n" \
+ " default: \"\" (none) (overrides ca_file)\n"
+
+#define USAGE \
+ "\n usage: cert_app param=<>...\n" \
+ "\n acceptable parameters:\n" \
+ " mode=file|ssl default: none\n" \
+ " filename=%%s default: cert.crt\n" \
+ USAGE_IO \
+ " server_name=%%s default: localhost\n" \
+ " server_port=%%d default: 4433\n" \
+ " debug_level=%%d default: 0 (disabled)\n" \
+ " permissive=%%d default: 0 (disabled)\n" \
+ "\n"
+
+#if defined(MBEDTLS_CHECK_PARAMS)
+#define mbedtls_exit exit
+void mbedtls_param_failed( const char *failure_condition,
+ const char *file,
+ int line )
+{
+ mbedtls_printf( "%s:%i: Input param failed - %s\n",
+ file, line, failure_condition );
+ mbedtls_exit( MBEDTLS_EXIT_FAILURE );
+}
+#endif
+
+/*
+ * global options
+ */
+struct options
+{
+ int mode; /* the mode to run the application in */
+ const char *filename; /* filename of the certificate file */
+ const char *ca_file; /* the file with the CA certificate(s) */
+ const char *crl_file; /* the file with the CRL to use */
+ const char *ca_path; /* the path with the CA certificate(s) reside */
+ const char *server_name; /* hostname of the server (client only) */
+ const char *server_port; /* port on which the ssl service runs */
+ int debug_level; /* level of debugging */
+ int permissive; /* permissive parsing */
+} opt;
+
+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 );
+}
+
+static int my_verify( void *data, mbedtls_x509_crt *crt, int depth, uint32_t *flags )
+{
+ char buf[1024];
+ ((void) data);
+
+ mbedtls_printf( "\nVerify requested for (Depth %d):\n", depth );
+ mbedtls_x509_crt_info( buf, sizeof( buf ) - 1, "", crt );
+ mbedtls_printf( "%s", buf );
+
+ if ( ( *flags ) == 0 )
+ mbedtls_printf( " This certificate has no flags\n" );
+ else
+ {
+ mbedtls_x509_crt_verify_info( buf, sizeof( buf ), " ! ", *flags );
+ mbedtls_printf( "%s\n", buf );
+ }
+
+ return( 0 );
+}
+
+int main( int argc, char *argv[] )
+{
+ int ret = 1;
+ int exit_code = MBEDTLS_EXIT_FAILURE;
+ mbedtls_net_context server_fd;
+ unsigned char buf[1024];
+ mbedtls_entropy_context entropy;
+ mbedtls_ctr_drbg_context ctr_drbg;
+ mbedtls_ssl_context ssl;
+ mbedtls_ssl_config conf;
+ mbedtls_x509_crt cacert;
+ mbedtls_x509_crl cacrl;
+ int i, j;
+ uint32_t flags;
+ int verify = 0;
+ char *p, *q;
+ const char *pers = "cert_app";
+
+ /*
+ * Set to sane values
+ */
+ mbedtls_net_init( &server_fd );
+ mbedtls_ctr_drbg_init( &ctr_drbg );
+ mbedtls_ssl_init( &ssl );
+ mbedtls_ssl_config_init( &conf );
+ mbedtls_x509_crt_init( &cacert );
+#if defined(MBEDTLS_X509_CRL_PARSE_C)
+ mbedtls_x509_crl_init( &cacrl );
+#else
+ /* Zeroize structure as CRL parsing is not supported and we have to pass
+ it to the verify function */
+ memset( &cacrl, 0, sizeof(mbedtls_x509_crl) );
+#endif
+
+ if( argc == 0 )
+ {
+ usage:
+ mbedtls_printf( USAGE );
+ goto exit;
+ }
+
+ opt.mode = DFL_MODE;
+ opt.filename = DFL_FILENAME;
+ opt.ca_file = DFL_CA_FILE;
+ opt.crl_file = DFL_CRL_FILE;
+ opt.ca_path = DFL_CA_PATH;
+ opt.server_name = DFL_SERVER_NAME;
+ opt.server_port = DFL_SERVER_PORT;
+ opt.debug_level = DFL_DEBUG_LEVEL;
+ opt.permissive = DFL_PERMISSIVE;
+
+ for( i = 1; i < argc; i++ )
+ {
+ p = argv[i];
+ if( ( q = strchr( p, '=' ) ) == NULL )
+ goto usage;
+ *q++ = '\0';
+
+ for( j = 0; p + j < q; j++ )
+ {
+ if( argv[i][j] >= 'A' && argv[i][j] <= 'Z' )
+ argv[i][j] |= 0x20;
+ }
+
+ if( strcmp( p, "mode" ) == 0 )
+ {
+ if( strcmp( q, "file" ) == 0 )
+ opt.mode = MODE_FILE;
+ else if( strcmp( q, "ssl" ) == 0 )
+ opt.mode = MODE_SSL;
+ else
+ goto usage;
+ }
+ else if( strcmp( p, "filename" ) == 0 )
+ opt.filename = q;
+ else if( strcmp( p, "ca_file" ) == 0 )
+ opt.ca_file = q;
+ else if( strcmp( p, "crl_file" ) == 0 )
+ opt.crl_file = q;
+ else if( strcmp( p, "ca_path" ) == 0 )
+ opt.ca_path = q;
+ else if( strcmp( p, "server_name" ) == 0 )
+ opt.server_name = q;
+ else if( strcmp( p, "server_port" ) == 0 )
+ opt.server_port = q;
+ else if( strcmp( p, "debug_level" ) == 0 )
+ {
+ opt.debug_level = atoi( q );
+ if( opt.debug_level < 0 || opt.debug_level > 65535 )
+ goto usage;
+ }
+ else if( strcmp( p, "permissive" ) == 0 )
+ {
+ opt.permissive = atoi( q );
+ if( opt.permissive < 0 || opt.permissive > 1 )
+ goto usage;
+ }
+ else
+ goto usage;
+ }
+
+ /*
+ * 1.1. Load the trusted CA
+ */
+ mbedtls_printf( " . Loading the CA root certificate ..." );
+ fflush( stdout );
+
+ if( strlen( opt.ca_path ) )
+ {
+ if( ( ret = mbedtls_x509_crt_parse_path( &cacert, opt.ca_path ) ) < 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_x509_crt_parse_path returned -0x%x\n\n", -ret );
+ goto exit;
+ }
+
+ verify = 1;
+ }
+ else if( strlen( opt.ca_file ) )
+ {
+ if( ( ret = mbedtls_x509_crt_parse_file( &cacert, opt.ca_file ) ) < 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_x509_crt_parse_file returned -0x%x\n\n", -ret );
+ goto exit;
+ }
+
+ verify = 1;
+ }
+
+ mbedtls_printf( " ok (%d skipped)\n", ret );
+
+#if defined(MBEDTLS_X509_CRL_PARSE_C)
+ if( strlen( opt.crl_file ) )
+ {
+ if( ( ret = mbedtls_x509_crl_parse_file( &cacrl, opt.crl_file ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_x509_crl_parse returned -0x%x\n\n", -ret );
+ goto exit;
+ }
+
+ verify = 1;
+ }
+#endif
+
+ if( opt.mode == MODE_FILE )
+ {
+ mbedtls_x509_crt crt;
+ mbedtls_x509_crt *cur = &crt;
+ mbedtls_x509_crt_init( &crt );
+
+ /*
+ * 1.1. Load the certificate(s)
+ */
+ mbedtls_printf( "\n . Loading the certificate(s) ..." );
+ fflush( stdout );
+
+ ret = mbedtls_x509_crt_parse_file( &crt, opt.filename );
+
+ if( ret < 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_x509_crt_parse_file returned %d\n\n", ret );
+ mbedtls_x509_crt_free( &crt );
+ goto exit;
+ }
+
+ if( opt.permissive == 0 && ret > 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_x509_crt_parse failed to parse %d certificates\n\n", ret );
+ mbedtls_x509_crt_free( &crt );
+ goto exit;
+ }
+
+ mbedtls_printf( " ok\n" );
+
+ /*
+ * 1.2 Print the certificate(s)
+ */
+ while( cur != NULL )
+ {
+ mbedtls_printf( " . Peer certificate information ...\n" );
+ ret = mbedtls_x509_crt_info( (char *) buf, sizeof( buf ) - 1, " ",
+ cur );
+ if( ret == -1 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_x509_crt_info returned %d\n\n", ret );
+ mbedtls_x509_crt_free( &crt );
+ goto exit;
+ }
+
+ mbedtls_printf( "%s\n", buf );
+
+ cur = cur->next;
+ }
+
+ /*
+ * 1.3 Verify the certificate
+ */
+ if( verify )
+ {
+ mbedtls_printf( " . Verifying X.509 certificate..." );
+
+ if( ( ret = mbedtls_x509_crt_verify( &crt, &cacert, &cacrl, NULL, &flags,
+ my_verify, NULL ) ) != 0 )
+ {
+ char vrfy_buf[512];
+
+ mbedtls_printf( " failed\n" );
+
+ mbedtls_x509_crt_verify_info( vrfy_buf, sizeof( vrfy_buf ), " ! ", flags );
+
+ mbedtls_printf( "%s\n", vrfy_buf );
+ }
+ else
+ mbedtls_printf( " ok\n" );
+ }
+
+ mbedtls_x509_crt_free( &crt );
+ }
+ else if( opt.mode == MODE_SSL )
+ {
+ /*
+ * 1. Initialize the RNG and the session data
+ */
+ 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 );
+ goto ssl_exit;
+ }
+
+ mbedtls_printf( " ok\n" );
+
+#if defined(MBEDTLS_DEBUG_C)
+ mbedtls_debug_set_threshold( opt.debug_level );
+#endif
+
+ /*
+ * 2. Start the connection
+ */
+ mbedtls_printf( " . SSL connection to tcp/%s/%s...", opt.server_name,
+ opt.server_port );
+ fflush( stdout );
+
+ if( ( ret = mbedtls_net_connect( &server_fd, opt.server_name,
+ opt.server_port, MBEDTLS_NET_PROTO_TCP ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_net_connect returned %d\n\n", ret );
+ goto ssl_exit;
+ }
+
+ /*
+ * 3. Setup stuff
+ */
+ 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;
+ }
+
+ if( verify )
+ {
+ mbedtls_ssl_conf_authmode( &conf, MBEDTLS_SSL_VERIFY_REQUIRED );
+ mbedtls_ssl_conf_ca_chain( &conf, &cacert, NULL );
+ mbedtls_ssl_conf_verify( &conf, my_verify, NULL );
+ }
+ else
+ mbedtls_ssl_conf_authmode( &conf, MBEDTLS_SSL_VERIFY_NONE );
+
+ 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 );
+ goto ssl_exit;
+ }
+
+ if( ( ret = mbedtls_ssl_set_hostname( &ssl, opt.server_name ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_set_hostname returned %d\n\n", ret );
+ goto ssl_exit;
+ }
+
+ mbedtls_ssl_set_bio( &ssl, &server_fd, mbedtls_net_send, mbedtls_net_recv, NULL );
+
+ /*
+ * 4. Handshake
+ */
+ 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 %d\n\n", ret );
+ goto ssl_exit;
+ }
+ }
+
+ mbedtls_printf( " ok\n" );
+
+ /*
+ * 5. Print the certificate
+ */
+#if !defined(MBEDTLS_SSL_KEEP_PEER_CERTIFICATE)
+ mbedtls_printf( " . Peer certificate information ... skipped\n" );
+#else
+ mbedtls_printf( " . Peer certificate information ...\n" );
+ ret = mbedtls_x509_crt_info( (char *) buf, sizeof( buf ) - 1, " ",
+ mbedtls_ssl_get_peer_cert( &ssl ) );
+ if( ret == -1 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_x509_crt_info returned %d\n\n", ret );
+ goto ssl_exit;
+ }
+
+ mbedtls_printf( "%s\n", buf );
+#endif /* MBEDTLS_SSL_KEEP_PEER_CERTIFICATE */
+
+ mbedtls_ssl_close_notify( &ssl );
+
+ssl_exit:
+ mbedtls_ssl_free( &ssl );
+ mbedtls_ssl_config_free( &conf );
+ }
+ else
+ goto usage;
+
+ exit_code = MBEDTLS_EXIT_SUCCESS;
+
+exit:
+
+ mbedtls_net_free( &server_fd );
+ mbedtls_x509_crt_free( &cacert );
+#if defined(MBEDTLS_X509_CRL_PARSE_C)
+ mbedtls_x509_crl_free( &cacrl );
+#endif
+ 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();
+#endif
+
+ return( exit_code );
+}
+#endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ENTROPY_C && MBEDTLS_SSL_TLS_C &&
+ MBEDTLS_SSL_CLI_C && MBEDTLS_NET_C && MBEDTLS_RSA_C &&
+ MBEDTLS_X509_CRT_PARSE_C && MBEDTLS_FS_IO && MBEDTLS_CTR_DRBG_C */