diff options
Diffstat (limited to 'lib/mbedtls-2.27.0/programs/ssl/ssl_mail_client.c')
-rw-r--r-- | lib/mbedtls-2.27.0/programs/ssl/ssl_mail_client.c | 859 |
1 files changed, 0 insertions, 859 deletions
diff --git a/lib/mbedtls-2.27.0/programs/ssl/ssl_mail_client.c b/lib/mbedtls-2.27.0/programs/ssl/ssl_mail_client.c deleted file mode 100644 index fb965f6..0000000 --- a/lib/mbedtls-2.27.0/programs/ssl/ssl_mail_client.c +++ /dev/null @@ -1,859 +0,0 @@ -/* - * SSL client for SMTP servers - * - * Copyright The Mbed TLS Contributors - * 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. - */ - -/* Enable definition of gethostname() even when compiling with -std=c99. Must - * be set before config.h, which pulls in glibc's features.h indirectly. - * Harmless on other platforms. */ -#define _POSIX_C_SOURCE 200112L -#define _XOPEN_SOURCE 600 - -#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_CTR_DRBG_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) || \ - !defined(MBEDTLS_FS_IO) -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 ); -} -#else - -#include "mbedtls/base64.h" -#include "mbedtls/error.h" -#include "mbedtls/net_sockets.h" -#include "mbedtls/ssl.h" -#include "mbedtls/entropy.h" -#include "mbedtls/ctr_drbg.h" -#include "mbedtls/certs.h" -#include "mbedtls/x509.h" - -#include <stdlib.h> -#include <string.h> - -#if !defined(_MSC_VER) || defined(EFIX64) || defined(EFI32) -#include <unistd.h> -#else -#include <io.h> -#endif - -#if defined(_WIN32) || defined(_WIN32_WCE) -#include <winsock2.h> -#include <windows.h> - -#if defined(_MSC_VER) -#if defined(_WIN32_WCE) -#pragma comment( lib, "ws2.lib" ) -#else -#pragma comment( lib, "ws2_32.lib" ) -#endif -#endif /* _MSC_VER */ -#endif - -#define DFL_SERVER_NAME "localhost" -#define DFL_SERVER_PORT "465" -#define DFL_USER_NAME "user" -#define DFL_USER_PWD "password" -#define DFL_MAIL_FROM "" -#define DFL_MAIL_TO "" -#define DFL_DEBUG_LEVEL 0 -#define DFL_CA_FILE "" -#define DFL_CRT_FILE "" -#define DFL_KEY_FILE "" -#define DFL_FORCE_CIPHER 0 -#define DFL_MODE 0 -#define DFL_AUTHENTICATION 0 - -#define MODE_SSL_TLS 0 -#define MODE_STARTTLS 0 - -#if defined(MBEDTLS_BASE64_C) -#define USAGE_AUTH \ - " authentication=%%d default: 0 (disabled)\n" \ - " user_name=%%s default: \"" DFL_USER_NAME "\"\n" \ - " user_pwd=%%s default: \"" DFL_USER_PWD "\"\n" -#else -#define USAGE_AUTH \ - " authentication options disabled. (Require MBEDTLS_BASE64_C)\n" -#endif /* MBEDTLS_BASE64_C */ - -#if defined(MBEDTLS_FS_IO) -#define USAGE_IO \ - " ca_file=%%s default: \"\" (pre-loaded)\n" \ - " crt_file=%%s default: \"\" (pre-loaded)\n" \ - " key_file=%%s default: \"\" (pre-loaded)\n" -#else -#define USAGE_IO \ - " No file operations available (MBEDTLS_FS_IO not defined)\n" -#endif /* MBEDTLS_FS_IO */ - -#define USAGE \ - "\n usage: ssl_mail_client param=<>...\n" \ - "\n acceptable parameters:\n" \ - " server_name=%%s default: " DFL_SERVER_NAME "\n" \ - " server_port=%%d default: " DFL_SERVER_PORT "\n" \ - " debug_level=%%d default: 0 (disabled)\n" \ - " mode=%%d default: 0 (SSL/TLS) (1 for STARTTLS)\n" \ - USAGE_AUTH \ - " mail_from=%%s default: \"\"\n" \ - " mail_to=%%s default: \"\"\n" \ - USAGE_IO \ - " force_ciphersuite=<name> default: all enabled\n" \ - " acceptable ciphersuite names:\n" - - -/* - * global options - */ -struct options -{ - 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 authentication; /* if authentication is required */ - int mode; /* SSL/TLS (0) or STARTTLS (1) */ - const char *user_name; /* username to use for authentication */ - const char *user_pwd; /* password to use for authentication */ - const char *mail_from; /* E-Mail address to use as sender */ - const char *mail_to; /* E-Mail address to use as recipient */ - const char *ca_file; /* the file with the CA certificate(s) */ - const char *crt_file; /* the file with the client certificate */ - const char *key_file; /* the file with the client key */ - int force_ciphersuite[2]; /* protocol/ciphersuite to use, or all */ -} 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 do_handshake( mbedtls_ssl_context *ssl ) -{ - int ret; - uint32_t flags; - unsigned char buf[1024]; - memset(buf, 0, 1024); - - /* - * 4. Handshake - */ - 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 ) - { -#if defined(MBEDTLS_ERROR_C) - mbedtls_strerror( ret, (char *) buf, 1024 ); -#endif - mbedtls_printf( " failed\n ! mbedtls_ssl_handshake returned %d: %s\n\n", ret, buf ); - return( -1 ); - } - } - - mbedtls_printf( " ok\n [ Ciphersuite is %s ]\n", - mbedtls_ssl_get_ciphersuite( ssl ) ); - - /* - * 5. Verify the server 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 ) - { - 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_printf( " . Peer certificate information ...\n" ); - mbedtls_x509_crt_info( (char *) buf, sizeof( buf ) - 1, " ", - mbedtls_ssl_get_peer_cert( ssl ) ); - mbedtls_printf( "%s\n", buf ); - - return( 0 ); -} - -static int write_ssl_data( mbedtls_ssl_context *ssl, unsigned char *buf, size_t len ) -{ - int ret; - - mbedtls_printf("\n%s", buf); - while( len && ( 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 ); - return -1; - } - } - - return( 0 ); -} - -static int write_ssl_and_get_response( mbedtls_ssl_context *ssl, unsigned char *buf, size_t len ) -{ - int ret; - unsigned char data[128]; - char code[4]; - size_t i, idx = 0; - - mbedtls_printf("\n%s", buf); - while( len && ( 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 ); - return -1; - } - } - - do - { - len = sizeof( data ) - 1; - memset( data, 0, sizeof( data ) ); - ret = mbedtls_ssl_read( ssl, data, len ); - - if( ret == MBEDTLS_ERR_SSL_WANT_READ || ret == MBEDTLS_ERR_SSL_WANT_WRITE ) - continue; - - if( ret == MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY ) - return -1; - - if( ret <= 0 ) - { - mbedtls_printf( "failed\n ! mbedtls_ssl_read returned %d\n\n", ret ); - return -1; - } - - mbedtls_printf("\n%s", data); - len = ret; - for( i = 0; i < len; i++ ) - { - if( data[i] != '\n' ) - { - if( idx < 4 ) - code[ idx++ ] = data[i]; - continue; - } - - if( idx == 4 && code[0] >= '0' && code[0] <= '9' && code[3] == ' ' ) - { - code[3] = '\0'; - return atoi( code ); - } - - idx = 0; - } - } - while( 1 ); -} - -static int write_and_get_response( mbedtls_net_context *sock_fd, unsigned char *buf, size_t len ) -{ - int ret; - unsigned char data[128]; - char code[4]; - size_t i, idx = 0; - - mbedtls_printf("\n%s", buf); - if( len && ( ret = mbedtls_net_send( sock_fd, buf, len ) ) <= 0 ) - { - mbedtls_printf( " failed\n ! mbedtls_net_send returned %d\n\n", ret ); - return -1; - } - - do - { - len = sizeof( data ) - 1; - memset( data, 0, sizeof( data ) ); - ret = mbedtls_net_recv( sock_fd, data, len ); - - if( ret <= 0 ) - { - mbedtls_printf( "failed\n ! mbedtls_net_recv returned %d\n\n", ret ); - return -1; - } - - data[len] = '\0'; - mbedtls_printf("\n%s", data); - len = ret; - for( i = 0; i < len; i++ ) - { - if( data[i] != '\n' ) - { - if( idx < 4 ) - code[ idx++ ] = data[i]; - continue; - } - - if( idx == 4 && code[0] >= '0' && code[0] <= '9' && code[3] == ' ' ) - { - code[3] = '\0'; - return atoi( code ); - } - - idx = 0; - } - } - while( 1 ); -} - -int main( int argc, char *argv[] ) -{ - int ret = 1, len; - int exit_code = MBEDTLS_EXIT_FAILURE; - mbedtls_net_context server_fd; -#if defined(MBEDTLS_BASE64_C) - unsigned char base[1024]; - /* buf is used as the destination buffer for printing base with the format: - * "%s\r\n". Hence, the size of buf should be at least the size of base - * plus 2 bytes for the \r and \n characters. - */ - unsigned char buf[sizeof( base ) + 2]; -#else - unsigned char buf[1024]; -#endif - char hostname[32]; - const char *pers = "ssl_mail_client"; - - mbedtls_entropy_context entropy; - mbedtls_ctr_drbg_context ctr_drbg; - mbedtls_ssl_context ssl; - mbedtls_ssl_config conf; - mbedtls_x509_crt cacert; - mbedtls_x509_crt clicert; - mbedtls_pk_context pkey; - int i; - size_t n; - char *p, *q; - const int *list; - - /* - * Make sure memory references are valid in case we exit early. - */ - mbedtls_net_init( &server_fd ); - mbedtls_ssl_init( &ssl ); - mbedtls_ssl_config_init( &conf ); - memset( &buf, 0, sizeof( buf ) ); - mbedtls_x509_crt_init( &cacert ); - mbedtls_x509_crt_init( &clicert ); - mbedtls_pk_init( &pkey ); - mbedtls_ctr_drbg_init( &ctr_drbg ); - - if( argc == 0 ) - { - usage: - mbedtls_printf( USAGE ); - - list = mbedtls_ssl_list_ciphersuites(); - while( *list ) - { - mbedtls_printf(" %s\n", mbedtls_ssl_get_ciphersuite_name( *list ) ); - list++; - } - mbedtls_printf("\n"); - goto exit; - } - - opt.server_name = DFL_SERVER_NAME; - opt.server_port = DFL_SERVER_PORT; - opt.debug_level = DFL_DEBUG_LEVEL; - opt.authentication = DFL_AUTHENTICATION; - opt.mode = DFL_MODE; - opt.user_name = DFL_USER_NAME; - opt.user_pwd = DFL_USER_PWD; - opt.mail_from = DFL_MAIL_FROM; - opt.mail_to = DFL_MAIL_TO; - opt.ca_file = DFL_CA_FILE; - opt.crt_file = DFL_CRT_FILE; - opt.key_file = DFL_KEY_FILE; - opt.force_ciphersuite[0]= DFL_FORCE_CIPHER; - - for( i = 1; i < argc; i++ ) - { - p = argv[i]; - if( ( q = strchr( p, '=' ) ) == NULL ) - goto usage; - *q++ = '\0'; - - 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, "authentication" ) == 0 ) - { - opt.authentication = atoi( q ); - if( opt.authentication < 0 || opt.authentication > 1 ) - goto usage; - } - else if( strcmp( p, "mode" ) == 0 ) - { - opt.mode = atoi( q ); - if( opt.mode < 0 || opt.mode > 1 ) - goto usage; - } - else if( strcmp( p, "user_name" ) == 0 ) - opt.user_name = q; - else if( strcmp( p, "user_pwd" ) == 0 ) - opt.user_pwd = q; - else if( strcmp( p, "mail_from" ) == 0 ) - opt.mail_from = q; - else if( strcmp( p, "mail_to" ) == 0 ) - opt.mail_to = q; - else if( strcmp( p, "ca_file" ) == 0 ) - opt.ca_file = q; - else if( strcmp( p, "crt_file" ) == 0 ) - opt.crt_file = q; - else if( strcmp( p, "key_file" ) == 0 ) - opt.key_file = q; - else if( strcmp( p, "force_ciphersuite" ) == 0 ) - { - opt.force_ciphersuite[0] = -1; - - opt.force_ciphersuite[0] = mbedtls_ssl_get_ciphersuite_id( q ); - - if( opt.force_ciphersuite[0] <= 0 ) - goto usage; - - opt.force_ciphersuite[1] = 0; - } - else - goto usage; - } - - /* - * 0. 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 exit; - } - - mbedtls_printf( " ok\n" ); - - /* - * 1.1. Load the trusted CA - */ - mbedtls_printf( " . Loading the CA root certificate ..." ); - fflush( stdout ); - -#if defined(MBEDTLS_FS_IO) - if( strlen( opt.ca_file ) ) - ret = mbedtls_x509_crt_parse_file( &cacert, opt.ca_file ); - else -#endif -#if defined(MBEDTLS_CERTS_C) && defined(MBEDTLS_PEM_PARSE_C) - ret = mbedtls_x509_crt_parse( &cacert, (const unsigned char *) mbedtls_test_cas_pem, - mbedtls_test_cas_pem_len ); -#else - { - mbedtls_printf("MBEDTLS_CERTS_C and/or MBEDTLS_PEM_PARSE_C not defined."); - goto exit; - } -#endif - if( ret < 0 ) - { - mbedtls_printf( " failed\n ! mbedtls_x509_crt_parse returned %d\n\n", ret ); - goto exit; - } - - mbedtls_printf( " ok (%d skipped)\n", ret ); - - /* - * 1.2. Load own certificate and private key - * - * (can be skipped if client authentication is not required) - */ - mbedtls_printf( " . Loading the client cert. and key..." ); - fflush( stdout ); - -#if defined(MBEDTLS_FS_IO) - if( strlen( opt.crt_file ) ) - ret = mbedtls_x509_crt_parse_file( &clicert, opt.crt_file ); - else -#endif -#if defined(MBEDTLS_CERTS_C) - ret = mbedtls_x509_crt_parse( &clicert, (const unsigned char *) mbedtls_test_cli_crt, - mbedtls_test_cli_crt_len ); -#else - { - mbedtls_printf("MBEDTLS_CERTS_C not defined."); - goto exit; - } -#endif - if( ret != 0 ) - { - mbedtls_printf( " failed\n ! mbedtls_x509_crt_parse returned %d\n\n", ret ); - goto exit; - } - -#if defined(MBEDTLS_FS_IO) - if( strlen( opt.key_file ) ) - ret = mbedtls_pk_parse_keyfile( &pkey, opt.key_file, "" ); - else -#endif -#if defined(MBEDTLS_CERTS_C) && defined(MBEDTLS_PEM_PARSE_C) - ret = mbedtls_pk_parse_key( &pkey, (const unsigned char *) mbedtls_test_cli_key, - mbedtls_test_cli_key_len, NULL, 0 ); -#else - { - mbedtls_printf("MBEDTLS_CERTS_C or MBEDTLS_PEM_PARSE_C not defined."); - goto exit; - } -#endif - if( ret != 0 ) - { - mbedtls_printf( " failed\n ! mbedtls_pk_parse_key returned %d\n\n", ret ); - goto exit; - } - - mbedtls_printf( " ok\n" ); - - /* - * 2. Start the connection - */ - mbedtls_printf( " . Connecting 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 exit; - } - - mbedtls_printf( " ok\n" ); - - /* - * 3. Setup stuff - */ - 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 ); - goto exit; - } - - /* 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_rng( &conf, mbedtls_ctr_drbg_random, &ctr_drbg ); - mbedtls_ssl_conf_dbg( &conf, my_debug, stdout ); - - if( opt.force_ciphersuite[0] != DFL_FORCE_CIPHER ) - mbedtls_ssl_conf_ciphersuites( &conf, opt.force_ciphersuite ); - - mbedtls_ssl_conf_ca_chain( &conf, &cacert, NULL ); - if( ( ret = mbedtls_ssl_conf_own_cert( &conf, &clicert, &pkey ) ) != 0 ) - { - mbedtls_printf( " failed\n ! mbedtls_ssl_conf_own_cert returned %d\n\n", ret ); - goto exit; - } - - 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, opt.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_printf( " ok\n" ); - - if( opt.mode == MODE_SSL_TLS ) - { - if( do_handshake( &ssl ) != 0 ) - goto exit; - - mbedtls_printf( " > Get header from server:" ); - fflush( stdout ); - - ret = write_ssl_and_get_response( &ssl, buf, 0 ); - if( ret < 200 || ret > 299 ) - { - mbedtls_printf( " failed\n ! server responded with %d\n\n", ret ); - goto exit; - } - - mbedtls_printf(" ok\n" ); - - mbedtls_printf( " > Write EHLO to server:" ); - fflush( stdout ); - - gethostname( hostname, 32 ); - len = sprintf( (char *) buf, "EHLO %s\r\n", hostname ); - ret = write_ssl_and_get_response( &ssl, buf, len ); - if( ret < 200 || ret > 299 ) - { - mbedtls_printf( " failed\n ! server responded with %d\n\n", ret ); - goto exit; - } - } - else - { - mbedtls_printf( " > Get header from server:" ); - fflush( stdout ); - - ret = write_and_get_response( &server_fd, buf, 0 ); - if( ret < 200 || ret > 299 ) - { - mbedtls_printf( " failed\n ! server responded with %d\n\n", ret ); - goto exit; - } - - mbedtls_printf(" ok\n" ); - - mbedtls_printf( " > Write EHLO to server:" ); - fflush( stdout ); - - gethostname( hostname, 32 ); - len = sprintf( (char *) buf, "EHLO %s\r\n", hostname ); - ret = write_and_get_response( &server_fd, buf, len ); - if( ret < 200 || ret > 299 ) - { - mbedtls_printf( " failed\n ! server responded with %d\n\n", ret ); - goto exit; - } - - mbedtls_printf(" ok\n" ); - - mbedtls_printf( " > Write STARTTLS to server:" ); - fflush( stdout ); - - gethostname( hostname, 32 ); - len = sprintf( (char *) buf, "STARTTLS\r\n" ); - ret = write_and_get_response( &server_fd, buf, len ); - if( ret < 200 || ret > 299 ) - { - mbedtls_printf( " failed\n ! server responded with %d\n\n", ret ); - goto exit; - } - - mbedtls_printf(" ok\n" ); - - if( do_handshake( &ssl ) != 0 ) - goto exit; - } - -#if defined(MBEDTLS_BASE64_C) - if( opt.authentication ) - { - mbedtls_printf( " > Write AUTH LOGIN to server:" ); - fflush( stdout ); - - len = sprintf( (char *) buf, "AUTH LOGIN\r\n" ); - ret = write_ssl_and_get_response( &ssl, buf, len ); - if( ret < 200 || ret > 399 ) - { - mbedtls_printf( " failed\n ! server responded with %d\n\n", ret ); - goto exit; - } - - mbedtls_printf(" ok\n" ); - - mbedtls_printf( " > Write username to server: %s", opt.user_name ); - fflush( stdout ); - - ret = mbedtls_base64_encode( base, sizeof( base ), &n, (const unsigned char *) opt.user_name, - strlen( opt.user_name ) ); - - if( ret != 0 ) { - mbedtls_printf( " failed\n ! mbedtls_base64_encode returned %d\n\n", ret ); - goto exit; - } - len = sprintf( (char *) buf, "%s\r\n", base ); - ret = write_ssl_and_get_response( &ssl, buf, len ); - if( ret < 300 || ret > 399 ) - { - mbedtls_printf( " failed\n ! server responded with %d\n\n", ret ); - goto exit; - } - - mbedtls_printf(" ok\n" ); - - mbedtls_printf( " > Write password to server: %s", opt.user_pwd ); - fflush( stdout ); - - ret = mbedtls_base64_encode( base, sizeof( base ), &n, (const unsigned char *) opt.user_pwd, - strlen( opt.user_pwd ) ); - - if( ret != 0 ) { - mbedtls_printf( " failed\n ! mbedtls_base64_encode returned %d\n\n", ret ); - goto exit; - } - len = sprintf( (char *) buf, "%s\r\n", base ); - ret = write_ssl_and_get_response( &ssl, buf, len ); - if( ret < 200 || ret > 399 ) - { - mbedtls_printf( " failed\n ! server responded with %d\n\n", ret ); - goto exit; - } - - mbedtls_printf(" ok\n" ); - } -#endif - - mbedtls_printf( " > Write MAIL FROM to server:" ); - fflush( stdout ); - - len = sprintf( (char *) buf, "MAIL FROM:<%s>\r\n", opt.mail_from ); - ret = write_ssl_and_get_response( &ssl, buf, len ); - if( ret < 200 || ret > 299 ) - { - mbedtls_printf( " failed\n ! server responded with %d\n\n", ret ); - goto exit; - } - - mbedtls_printf(" ok\n" ); - - mbedtls_printf( " > Write RCPT TO to server:" ); - fflush( stdout ); - - len = sprintf( (char *) buf, "RCPT TO:<%s>\r\n", opt.mail_to ); - ret = write_ssl_and_get_response( &ssl, buf, len ); - if( ret < 200 || ret > 299 ) - { - mbedtls_printf( " failed\n ! server responded with %d\n\n", ret ); - goto exit; - } - - mbedtls_printf(" ok\n" ); - - mbedtls_printf( " > Write DATA to server:" ); - fflush( stdout ); - - len = sprintf( (char *) buf, "DATA\r\n" ); - ret = write_ssl_and_get_response( &ssl, buf, len ); - if( ret < 300 || ret > 399 ) - { - mbedtls_printf( " failed\n ! server responded with %d\n\n", ret ); - goto exit; - } - - mbedtls_printf(" ok\n" ); - - mbedtls_printf( " > Write content to server:" ); - fflush( stdout ); - - len = sprintf( (char *) buf, "From: %s\r\nSubject: mbed TLS Test mail\r\n\r\n" - "This is a simple test mail from the " - "mbed TLS mail client example.\r\n" - "\r\n" - "Enjoy!", opt.mail_from ); - ret = write_ssl_data( &ssl, buf, len ); - - len = sprintf( (char *) buf, "\r\n.\r\n"); - ret = write_ssl_and_get_response( &ssl, buf, len ); - if( ret < 200 || ret > 299 ) - { - mbedtls_printf( " failed\n ! server responded with %d\n\n", ret ); - goto exit; - } - - mbedtls_printf(" ok\n" ); - - mbedtls_ssl_close_notify( &ssl ); - - exit_code = MBEDTLS_EXIT_SUCCESS; - -exit: - - mbedtls_net_free( &server_fd ); - mbedtls_x509_crt_free( &clicert ); - mbedtls_x509_crt_free( &cacert ); - 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(); -#endif - - 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 ** - MBEDTLS_CTR_DRBG_C */ |