diff options
Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/external/mbedtls/programs/ssl/ssl_client2.c')
| -rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/external/mbedtls/programs/ssl/ssl_client2.c | 1673 |
1 files changed, 1673 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/external/mbedtls/programs/ssl/ssl_client2.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/mbedtls/programs/ssl/ssl_client2.c new file mode 100644 index 0000000..a1d71e1 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/mbedtls/programs/ssl/ssl_client2.c @@ -0,0 +1,1673 @@ +/* + * SSL client with certificate authentication + * + * 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_printf printf +#define mbedtls_fprintf fprintf +#define mbedtls_snprintf snprintf +#endif + +#if !defined(MBEDTLS_ENTROPY_C) || \ + !defined(MBEDTLS_SSL_TLS_C) || !defined(MBEDTLS_SSL_CLI_C) || \ + !defined(MBEDTLS_NET_C) || !defined(MBEDTLS_CTR_DRBG_C) +int main( void ) +{ + mbedtls_printf("MBEDTLS_ENTROPY_C and/or " + "MBEDTLS_SSL_TLS_C and/or MBEDTLS_SSL_CLI_C and/or " + "MBEDTLS_NET_C and/or MBEDTLS_CTR_DRBG_C and/or not defined.\n"); + return( 0 ); +} +#else + +#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 "mbedtls/error.h" +#include "mbedtls/debug.h" +#include "mbedtls/timing.h" + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#define DFL_SERVER_NAME "localhost" +#define DFL_SERVER_ADDR NULL +#define DFL_SERVER_PORT "4433" +#define DFL_REQUEST_PAGE "/" +#define DFL_REQUEST_SIZE -1 +#define DFL_DEBUG_LEVEL 0 +#define DFL_NBIO 0 +#define DFL_READ_TIMEOUT 0 +#define DFL_MAX_RESEND 0 +#define DFL_CA_FILE "" +#define DFL_CA_PATH "" +#define DFL_CRT_FILE "" +#define DFL_KEY_FILE "" +#define DFL_PSK "" +#define DFL_PSK_IDENTITY "Client_identity" +#define DFL_ECJPAKE_PW NULL +#define DFL_FORCE_CIPHER 0 +#define DFL_RENEGOTIATION MBEDTLS_SSL_RENEGOTIATION_DISABLED +#define DFL_ALLOW_LEGACY -2 +#define DFL_RENEGOTIATE 0 +#define DFL_EXCHANGES 1 +#define DFL_MIN_VERSION -1 +#define DFL_MAX_VERSION -1 +#define DFL_ARC4 -1 +#define DFL_AUTH_MODE -1 +#define DFL_MFL_CODE MBEDTLS_SSL_MAX_FRAG_LEN_NONE +#define DFL_TRUNC_HMAC -1 +#define DFL_RECSPLIT -1 +#define DFL_DHMLEN -1 +#define DFL_RECONNECT 0 +#define DFL_RECO_DELAY 0 +#define DFL_RECONNECT_HARD 0 +#define DFL_TICKETS MBEDTLS_SSL_SESSION_TICKETS_ENABLED +#define DFL_ALPN_STRING NULL +#define DFL_TRANSPORT MBEDTLS_SSL_TRANSPORT_STREAM +#define DFL_HS_TO_MIN 0 +#define DFL_HS_TO_MAX 0 +#define DFL_FALLBACK -1 +#define DFL_EXTENDED_MS -1 +#define DFL_ETM -1 + +#define GET_REQUEST "GET %s HTTP/1.0\r\nExtra-header: " +#define GET_REQUEST_END "\r\n\r\n" + +#if defined(MBEDTLS_X509_CRT_PARSE_C) +#if defined(MBEDTLS_FS_IO) +#define USAGE_IO \ + " ca_file=%%s The single file containing the top-level CA(s) you fully trust\n" \ + " default: \"\" (pre-loaded)\n" \ + " ca_path=%%s The path containing the top-level CA(s) you fully trust\n" \ + " default: \"\" (pre-loaded) (overrides ca_file)\n" \ + " crt_file=%%s Your own cert and chain (in bottom to top order, top may be omitted)\n" \ + " 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 */ +#else +#define USAGE_IO "" +#endif /* MBEDTLS_X509_CRT_PARSE_C */ + +#if defined(MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED) +#define USAGE_PSK \ + " psk=%%s default: \"\" (in hex, without 0x)\n" \ + " psk_identity=%%s default: \"Client_identity\"\n" +#else +#define USAGE_PSK "" +#endif /* MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED */ + +#if defined(MBEDTLS_SSL_SESSION_TICKETS) +#define USAGE_TICKETS \ + " tickets=%%d default: 1 (enabled)\n" +#else +#define USAGE_TICKETS "" +#endif /* MBEDTLS_SSL_SESSION_TICKETS */ + +#if defined(MBEDTLS_SSL_TRUNCATED_HMAC) +#define USAGE_TRUNC_HMAC \ + " trunc_hmac=%%d default: library default\n" +#else +#define USAGE_TRUNC_HMAC "" +#endif /* MBEDTLS_SSL_TRUNCATED_HMAC */ + +#if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH) +#define USAGE_MAX_FRAG_LEN \ + " max_frag_len=%%d default: 16384 (tls default)\n" \ + " options: 512, 1024, 2048, 4096\n" +#else +#define USAGE_MAX_FRAG_LEN "" +#endif /* MBEDTLS_SSL_MAX_FRAGMENT_LENGTH */ + +#if defined(MBEDTLS_SSL_CBC_RECORD_SPLITTING) +#define USAGE_RECSPLIT \ + " recsplit=0/1 default: (library default: on)\n" +#else +#define USAGE_RECSPLIT +#endif + +#if defined(MBEDTLS_DHM_C) +#define USAGE_DHMLEN \ + " dhmlen=%%d default: (library default: 1024 bits)\n" +#else +#define USAGE_DHMLEN +#endif + +#if defined(MBEDTLS_SSL_ALPN) +#define USAGE_ALPN \ + " alpn=%%s default: \"\" (disabled)\n" \ + " example: spdy/1,http/1.1\n" +#else +#define USAGE_ALPN "" +#endif /* MBEDTLS_SSL_ALPN */ + +#if defined(MBEDTLS_SSL_PROTO_DTLS) +#define USAGE_DTLS \ + " dtls=%%d default: 0 (TLS)\n" \ + " hs_timeout=%%d-%%d default: (library default: 1000-60000)\n" \ + " range of DTLS handshake timeouts in millisecs\n" +#else +#define USAGE_DTLS "" +#endif + +#if defined(MBEDTLS_SSL_FALLBACK_SCSV) +#define USAGE_FALLBACK \ + " fallback=0/1 default: (library default: off)\n" +#else +#define USAGE_FALLBACK "" +#endif + +#if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET) +#define USAGE_EMS \ + " extended_ms=0/1 default: (library default: on)\n" +#else +#define USAGE_EMS "" +#endif + +#if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC) +#define USAGE_ETM \ + " etm=0/1 default: (library default: on)\n" +#else +#define USAGE_ETM "" +#endif + +#if defined(MBEDTLS_SSL_RENEGOTIATION) +#define USAGE_RENEGO \ + " renegotiation=%%d default: 0 (disabled)\n" \ + " renegotiate=%%d default: 0 (disabled)\n" +#else +#define USAGE_RENEGO "" +#endif + +#if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED) +#define USAGE_ECJPAKE \ + " ecjpake_pw=%%s default: none (disabled)\n" +#else +#define USAGE_ECJPAKE "" +#endif + +#define USAGE \ + "\n usage: ssl_client2 param=<>...\n" \ + "\n acceptable parameters:\n" \ + " server_name=%%s default: localhost\n" \ + " server_addr=%%s default: given by name\n" \ + " server_port=%%d default: 4433\n" \ + " request_page=%%s default: \".\"\n" \ + " request_size=%%d default: about 34 (basic request)\n" \ + " (minimum: 0, max: 16384)\n" \ + " debug_level=%%d default: 0 (disabled)\n" \ + " nbio=%%d default: 0 (blocking I/O)\n" \ + " options: 1 (non-blocking), 2 (added delays)\n" \ + " read_timeout=%%d default: 0 ms (no timeout)\n" \ + " max_resend=%%d default: 0 (no resend on timeout)\n" \ + "\n" \ + USAGE_DTLS \ + "\n" \ + " auth_mode=%%s default: (library default: none)\n" \ + " options: none, optional, required\n" \ + USAGE_IO \ + "\n" \ + USAGE_PSK \ + USAGE_ECJPAKE \ + "\n" \ + " allow_legacy=%%d default: (library default: no)\n" \ + USAGE_RENEGO \ + " exchanges=%%d default: 1\n" \ + " reconnect=%%d default: 0 (disabled)\n" \ + " reco_delay=%%d default: 0 seconds\n" \ + " reconnect_hard=%%d default: 0 (disabled)\n" \ + USAGE_TICKETS \ + USAGE_MAX_FRAG_LEN \ + USAGE_TRUNC_HMAC \ + USAGE_ALPN \ + USAGE_FALLBACK \ + USAGE_EMS \ + USAGE_ETM \ + USAGE_RECSPLIT \ + USAGE_DHMLEN \ + "\n" \ + " arc4=%%d default: (library default: 0)\n" \ + " min_version=%%s default: (library default: tls1)\n" \ + " max_version=%%s default: (library default: tls1_2)\n" \ + " force_version=%%s default: \"\" (none)\n" \ + " options: ssl3, tls1, tls1_1, tls1_2, dtls1, dtls1_2\n" \ + "\n" \ + " 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_addr; /* address of the server (client only) */ + const char *server_port; /* port on which the ssl service runs */ + int debug_level; /* level of debugging */ + int nbio; /* should I/O be blocking? */ + uint32_t read_timeout; /* timeout on mbedtls_ssl_read() in milliseconds */ + int max_resend; /* DTLS times to resend on read timeout */ + const char *request_page; /* page on server to request */ + int request_size; /* pad request with header to requested size */ + const char *ca_file; /* the file with the CA certificate(s) */ + const char *ca_path; /* the path with the CA certificate(s) reside */ + const char *crt_file; /* the file with the client certificate */ + const char *key_file; /* the file with the client key */ + const char *psk; /* the pre-shared key */ + const char *psk_identity; /* the pre-shared key identity */ + const char *ecjpake_pw; /* the EC J-PAKE password */ + int force_ciphersuite[2]; /* protocol/ciphersuite to use, or all */ + int renegotiation; /* enable / disable renegotiation */ + int allow_legacy; /* allow legacy renegotiation */ + int renegotiate; /* attempt renegotiation? */ + int renego_delay; /* delay before enforcing renegotiation */ + int exchanges; /* number of data exchanges */ + int min_version; /* minimum protocol version accepted */ + int max_version; /* maximum protocol version accepted */ + int arc4; /* flag for arc4 suites support */ + int auth_mode; /* verify mode for connection */ + unsigned char mfl_code; /* code for maximum fragment length */ + int trunc_hmac; /* negotiate truncated hmac or not */ + int recsplit; /* enable record splitting? */ + int dhmlen; /* minimum DHM params len in bits */ + int reconnect; /* attempt to resume session */ + int reco_delay; /* delay in seconds before resuming session */ + int reconnect_hard; /* unexpectedly reconnect from the same port */ + int tickets; /* enable / disable session tickets */ + const char *alpn_string; /* ALPN supported protocols */ + int transport; /* TLS or DTLS? */ + uint32_t hs_to_min; /* Initial value of DTLS handshake timer */ + uint32_t hs_to_max; /* Max value of DTLS handshake timer */ + int fallback; /* is this a fallback connection? */ + int extended_ms; /* negotiate extended master secret? */ + int etm; /* negotiate encrypt then mac? */ +} opt; + +static void my_debug( void *ctx, int level, + const char *file, int line, + const char *str ) +{ + const char *p, *basename; + + /* Extract basename from file */ + for( p = basename = file; *p != '\0'; p++ ) + if( *p == '/' || *p == '\\' ) + basename = p + 1; + + mbedtls_fprintf( (FILE *) ctx, "%s:%04d: |%d| %s", basename, line, level, str ); + fflush( (FILE *) ctx ); +} + +/* + * Test recv/send functions that make sure each try returns + * WANT_READ/WANT_WRITE at least once before sucesseding + */ +static int my_recv( void *ctx, unsigned char *buf, size_t len ) +{ + static int first_try = 1; + int ret; + + if( first_try ) + { + first_try = 0; + return( MBEDTLS_ERR_SSL_WANT_READ ); + } + + ret = mbedtls_net_recv( ctx, buf, len ); + if( ret != MBEDTLS_ERR_SSL_WANT_READ ) + first_try = 1; /* Next call will be a new operation */ + return( ret ); +} + +static int my_send( void *ctx, const unsigned char *buf, size_t len ) +{ + static int first_try = 1; + int ret; + + if( first_try ) + { + first_try = 0; + return( MBEDTLS_ERR_SSL_WANT_WRITE ); + } + + ret = mbedtls_net_send( ctx, buf, len ); + if( ret != MBEDTLS_ERR_SSL_WANT_WRITE ) + first_try = 1; /* Next call will be a new operation */ + return( ret ); +} + +#if defined(MBEDTLS_X509_CRT_PARSE_C) +/* + * Enabled if debug_level > 1 in code below + */ +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 ); +} +#endif /* MBEDTLS_X509_CRT_PARSE_C */ + +int main( int argc, char *argv[] ) +{ + int ret = 0, len, tail_len, i, written, frags, retry_left; + mbedtls_net_context server_fd; + unsigned char buf[MBEDTLS_SSL_MAX_CONTENT_LEN + 1]; +#if defined(MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED) + unsigned char psk[MBEDTLS_PSK_MAX_LEN]; + size_t psk_len = 0; +#endif +#if defined(MBEDTLS_SSL_ALPN) + const char *alpn_list[10]; +#endif + const char *pers = "ssl_client2"; + + mbedtls_entropy_context entropy; + mbedtls_ctr_drbg_context ctr_drbg; + mbedtls_ssl_context ssl; + mbedtls_ssl_config conf; + mbedtls_ssl_session saved_session; +#if defined(MBEDTLS_TIMING_C) + mbedtls_timing_delay_context timer; +#endif +#if defined(MBEDTLS_X509_CRT_PARSE_C) + uint32_t flags; + mbedtls_x509_crt cacert; + mbedtls_x509_crt clicert; + mbedtls_pk_context pkey; +#endif + char *p, *q; + const int *list; + + /* + * Make sure memory references are valid. + */ + mbedtls_net_init( &server_fd ); + mbedtls_ssl_init( &ssl ); + mbedtls_ssl_config_init( &conf ); + memset( &saved_session, 0, sizeof( mbedtls_ssl_session ) ); + mbedtls_ctr_drbg_init( &ctr_drbg ); +#if defined(MBEDTLS_X509_CRT_PARSE_C) + mbedtls_x509_crt_init( &cacert ); + mbedtls_x509_crt_init( &clicert ); + mbedtls_pk_init( &pkey ); +#endif +#if defined(MBEDTLS_SSL_ALPN) + memset( (void * ) alpn_list, 0, sizeof( alpn_list ) ); +#endif + + if( argc == 0 ) + { + usage: + if( ret == 0 ) + ret = 1; + + mbedtls_printf( USAGE ); + + list = mbedtls_ssl_list_ciphersuites(); + while( *list ) + { + mbedtls_printf(" %-42s", mbedtls_ssl_get_ciphersuite_name( *list ) ); + list++; + if( !*list ) + break; + mbedtls_printf(" %s\n", mbedtls_ssl_get_ciphersuite_name( *list ) ); + list++; + } + mbedtls_printf("\n"); + goto exit; + } + + opt.server_name = DFL_SERVER_NAME; + opt.server_addr = DFL_SERVER_ADDR; + opt.server_port = DFL_SERVER_PORT; + opt.debug_level = DFL_DEBUG_LEVEL; + opt.nbio = DFL_NBIO; + opt.read_timeout = DFL_READ_TIMEOUT; + opt.max_resend = DFL_MAX_RESEND; + opt.request_page = DFL_REQUEST_PAGE; + opt.request_size = DFL_REQUEST_SIZE; + opt.ca_file = DFL_CA_FILE; + opt.ca_path = DFL_CA_PATH; + opt.crt_file = DFL_CRT_FILE; + opt.key_file = DFL_KEY_FILE; + opt.psk = DFL_PSK; + opt.psk_identity = DFL_PSK_IDENTITY; + opt.ecjpake_pw = DFL_ECJPAKE_PW; + opt.force_ciphersuite[0]= DFL_FORCE_CIPHER; + opt.renegotiation = DFL_RENEGOTIATION; + opt.allow_legacy = DFL_ALLOW_LEGACY; + opt.renegotiate = DFL_RENEGOTIATE; + opt.exchanges = DFL_EXCHANGES; + opt.min_version = DFL_MIN_VERSION; + opt.max_version = DFL_MAX_VERSION; + opt.arc4 = DFL_ARC4; + opt.auth_mode = DFL_AUTH_MODE; + opt.mfl_code = DFL_MFL_CODE; + opt.trunc_hmac = DFL_TRUNC_HMAC; + opt.recsplit = DFL_RECSPLIT; + opt.dhmlen = DFL_DHMLEN; + opt.reconnect = DFL_RECONNECT; + opt.reco_delay = DFL_RECO_DELAY; + opt.reconnect_hard = DFL_RECONNECT_HARD; + opt.tickets = DFL_TICKETS; + opt.alpn_string = DFL_ALPN_STRING; + opt.transport = DFL_TRANSPORT; + opt.hs_to_min = DFL_HS_TO_MIN; + opt.hs_to_max = DFL_HS_TO_MAX; + opt.fallback = DFL_FALLBACK; + opt.extended_ms = DFL_EXTENDED_MS; + opt.etm = DFL_ETM; + + 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_addr" ) == 0 ) + opt.server_addr = q; + else if( strcmp( p, "server_port" ) == 0 ) + opt.server_port = q; + else if( strcmp( p, "dtls" ) == 0 ) + { + int t = atoi( q ); + if( t == 0 ) + opt.transport = MBEDTLS_SSL_TRANSPORT_STREAM; + else if( t == 1 ) + opt.transport = MBEDTLS_SSL_TRANSPORT_DATAGRAM; + else + goto usage; + } + 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, "nbio" ) == 0 ) + { + opt.nbio = atoi( q ); + if( opt.nbio < 0 || opt.nbio > 2 ) + goto usage; + } + else if( strcmp( p, "read_timeout" ) == 0 ) + opt.read_timeout = atoi( q ); + else if( strcmp( p, "max_resend" ) == 0 ) + { + opt.max_resend = atoi( q ); + if( opt.max_resend < 0 ) + goto usage; + } + else if( strcmp( p, "request_page" ) == 0 ) + opt.request_page = q; + else if( strcmp( p, "request_size" ) == 0 ) + { + opt.request_size = atoi( q ); + if( opt.request_size < 0 || opt.request_size > MBEDTLS_SSL_MAX_CONTENT_LEN ) + goto usage; + } + else if( strcmp( p, "ca_file" ) == 0 ) + opt.ca_file = q; + else if( strcmp( p, "ca_path" ) == 0 ) + opt.ca_path = 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, "psk" ) == 0 ) + opt.psk = q; + else if( strcmp( p, "psk_identity" ) == 0 ) + opt.psk_identity = q; + else if( strcmp( p, "ecjpake_pw" ) == 0 ) + opt.ecjpake_pw = q; + else if( strcmp( p, "force_ciphersuite" ) == 0 ) + { + opt.force_ciphersuite[0] = mbedtls_ssl_get_ciphersuite_id( q ); + + if( opt.force_ciphersuite[0] == 0 ) + { + ret = 2; + goto usage; + } + opt.force_ciphersuite[1] = 0; + } + else if( strcmp( p, "renegotiation" ) == 0 ) + { + opt.renegotiation = (atoi( q )) ? MBEDTLS_SSL_RENEGOTIATION_ENABLED : + MBEDTLS_SSL_RENEGOTIATION_DISABLED; + } + else if( strcmp( p, "allow_legacy" ) == 0 ) + { + switch( atoi( q ) ) + { + case -1: opt.allow_legacy = MBEDTLS_SSL_LEGACY_BREAK_HANDSHAKE; break; + case 0: opt.allow_legacy = MBEDTLS_SSL_LEGACY_NO_RENEGOTIATION; break; + case 1: opt.allow_legacy = MBEDTLS_SSL_LEGACY_ALLOW_RENEGOTIATION; break; + default: goto usage; + } + } + else if( strcmp( p, "renegotiate" ) == 0 ) + { + opt.renegotiate = atoi( q ); + if( opt.renegotiate < 0 || opt.renegotiate > 1 ) + goto usage; + } + else if( strcmp( p, "exchanges" ) == 0 ) + { + opt.exchanges = atoi( q ); + if( opt.exchanges < 1 ) + goto usage; + } + else if( strcmp( p, "reconnect" ) == 0 ) + { + opt.reconnect = atoi( q ); + if( opt.reconnect < 0 || opt.reconnect > 2 ) + goto usage; + } + else if( strcmp( p, "reco_delay" ) == 0 ) + { + opt.reco_delay = atoi( q ); + if( opt.reco_delay < 0 ) + goto usage; + } + else if( strcmp( p, "reconnect_hard" ) == 0 ) + { + opt.reconnect_hard = atoi( q ); + if( opt.reconnect_hard < 0 || opt.reconnect_hard > 1 ) + goto usage; + } + else if( strcmp( p, "tickets" ) == 0 ) + { + opt.tickets = atoi( q ); + if( opt.tickets < 0 || opt.tickets > 2 ) + goto usage; + } + else if( strcmp( p, "alpn" ) == 0 ) + { + opt.alpn_string = q; + } + else if( strcmp( p, "fallback" ) == 0 ) + { + switch( atoi( q ) ) + { + case 0: opt.fallback = MBEDTLS_SSL_IS_NOT_FALLBACK; break; + case 1: opt.fallback = MBEDTLS_SSL_IS_FALLBACK; break; + default: goto usage; + } + } + else if( strcmp( p, "extended_ms" ) == 0 ) + { + switch( atoi( q ) ) + { + case 0: opt.extended_ms = MBEDTLS_SSL_EXTENDED_MS_DISABLED; break; + case 1: opt.extended_ms = MBEDTLS_SSL_EXTENDED_MS_ENABLED; break; + default: goto usage; + } + } + else if( strcmp( p, "etm" ) == 0 ) + { + switch( atoi( q ) ) + { + case 0: opt.etm = MBEDTLS_SSL_ETM_DISABLED; break; + case 1: opt.etm = MBEDTLS_SSL_ETM_ENABLED; break; + default: goto usage; + } + } + else if( strcmp( p, "min_version" ) == 0 ) + { + if( strcmp( q, "ssl3" ) == 0 ) + opt.min_version = MBEDTLS_SSL_MINOR_VERSION_0; + else if( strcmp( q, "tls1" ) == 0 ) + opt.min_version = MBEDTLS_SSL_MINOR_VERSION_1; + else if( strcmp( q, "tls1_1" ) == 0 || + strcmp( q, "dtls1" ) == 0 ) + opt.min_version = MBEDTLS_SSL_MINOR_VERSION_2; + else if( strcmp( q, "tls1_2" ) == 0 || + strcmp( q, "dtls1_2" ) == 0 ) + opt.min_version = MBEDTLS_SSL_MINOR_VERSION_3; + else + goto usage; + } + else if( strcmp( p, "max_version" ) == 0 ) + { + if( strcmp( q, "ssl3" ) == 0 ) + opt.max_version = MBEDTLS_SSL_MINOR_VERSION_0; + else if( strcmp( q, "tls1" ) == 0 ) + opt.max_version = MBEDTLS_SSL_MINOR_VERSION_1; + else if( strcmp( q, "tls1_1" ) == 0 || + strcmp( q, "dtls1" ) == 0 ) + opt.max_version = MBEDTLS_SSL_MINOR_VERSION_2; + else if( strcmp( q, "tls1_2" ) == 0 || + strcmp( q, "dtls1_2" ) == 0 ) + opt.max_version = MBEDTLS_SSL_MINOR_VERSION_3; + else + goto usage; + } + else if( strcmp( p, "arc4" ) == 0 ) + { + switch( atoi( q ) ) + { + case 0: opt.arc4 = MBEDTLS_SSL_ARC4_DISABLED; break; + case 1: opt.arc4 = MBEDTLS_SSL_ARC4_ENABLED; break; + default: goto usage; + } + } + else if( strcmp( p, "force_version" ) == 0 ) + { + if( strcmp( q, "ssl3" ) == 0 ) + { + opt.min_version = MBEDTLS_SSL_MINOR_VERSION_0; + opt.max_version = MBEDTLS_SSL_MINOR_VERSION_0; + } + else if( strcmp( q, "tls1" ) == 0 ) + { + opt.min_version = MBEDTLS_SSL_MINOR_VERSION_1; + opt.max_version = MBEDTLS_SSL_MINOR_VERSION_1; + } + else if( strcmp( q, "tls1_1" ) == 0 ) + { + opt.min_version = MBEDTLS_SSL_MINOR_VERSION_2; + opt.max_version = MBEDTLS_SSL_MINOR_VERSION_2; + } + else if( strcmp( q, "tls1_2" ) == 0 ) + { + opt.min_version = MBEDTLS_SSL_MINOR_VERSION_3; + opt.max_version = MBEDTLS_SSL_MINOR_VERSION_3; + } + else if( strcmp( q, "dtls1" ) == 0 ) + { + opt.min_version = MBEDTLS_SSL_MINOR_VERSION_2; + opt.max_version = MBEDTLS_SSL_MINOR_VERSION_2; + opt.transport = MBEDTLS_SSL_TRANSPORT_DATAGRAM; + } + else if( strcmp( q, "dtls1_2" ) == 0 ) + { + opt.min_version = MBEDTLS_SSL_MINOR_VERSION_3; + opt.max_version = MBEDTLS_SSL_MINOR_VERSION_3; + opt.transport = MBEDTLS_SSL_TRANSPORT_DATAGRAM; + } + else + goto usage; + } + else if( strcmp( p, "auth_mode" ) == 0 ) + { + if( strcmp( q, "none" ) == 0 ) + opt.auth_mode = MBEDTLS_SSL_VERIFY_NONE; + else if( strcmp( q, "optional" ) == 0 ) + opt.auth_mode = MBEDTLS_SSL_VERIFY_OPTIONAL; + else if( strcmp( q, "required" ) == 0 ) + opt.auth_mode = MBEDTLS_SSL_VERIFY_REQUIRED; + else + goto usage; + } + else if( strcmp( p, "max_frag_len" ) == 0 ) + { + if( strcmp( q, "512" ) == 0 ) + opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_512; + else if( strcmp( q, "1024" ) == 0 ) + opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_1024; + else if( strcmp( q, "2048" ) == 0 ) + opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_2048; + else if( strcmp( q, "4096" ) == 0 ) + opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_4096; + else + goto usage; + } + else if( strcmp( p, "trunc_hmac" ) == 0 ) + { + switch( atoi( q ) ) + { + case 0: opt.trunc_hmac = MBEDTLS_SSL_TRUNC_HMAC_DISABLED; break; + case 1: opt.trunc_hmac = MBEDTLS_SSL_TRUNC_HMAC_ENABLED; break; + default: goto usage; + } + } + else if( strcmp( p, "hs_timeout" ) == 0 ) + { + if( ( p = strchr( q, '-' ) ) == NULL ) + goto usage; + *p++ = '\0'; + opt.hs_to_min = atoi( q ); + opt.hs_to_max = atoi( p ); + if( opt.hs_to_min == 0 || opt.hs_to_max < opt.hs_to_min ) + goto usage; + } + else if( strcmp( p, "recsplit" ) == 0 ) + { + opt.recsplit = atoi( q ); + if( opt.recsplit < 0 || opt.recsplit > 1 ) + goto usage; + } + else if( strcmp( p, "dhmlen" ) == 0 ) + { + opt.dhmlen = atoi( q ); + if( opt.dhmlen < 0 ) + goto usage; + } + else + goto usage; + } + +#if defined(MBEDTLS_DEBUG_C) + mbedtls_debug_set_threshold( opt.debug_level ); +#endif + + if( opt.force_ciphersuite[0] > 0 ) + { + const mbedtls_ssl_ciphersuite_t *ciphersuite_info; + ciphersuite_info = mbedtls_ssl_ciphersuite_from_id( opt.force_ciphersuite[0] ); + + if( opt.max_version != -1 && + ciphersuite_info->min_minor_ver > opt.max_version ) + { + mbedtls_printf("forced ciphersuite not allowed with this protocol version\n"); + ret = 2; + goto usage; + } + if( opt.min_version != -1 && + ciphersuite_info->max_minor_ver < opt.min_version ) + { + mbedtls_printf("forced ciphersuite not allowed with this protocol version\n"); + ret = 2; + goto usage; + } + + /* If the server selects a version that's not supported by + * this suite, then there will be no common ciphersuite... */ + if( opt.max_version == -1 || + opt.max_version > ciphersuite_info->max_minor_ver ) + { + opt.max_version = ciphersuite_info->max_minor_ver; + } + if( opt.min_version < ciphersuite_info->min_minor_ver ) + { + opt.min_version = ciphersuite_info->min_minor_ver; + /* DTLS starts with TLS 1.1 */ + if( opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM && + opt.min_version < MBEDTLS_SSL_MINOR_VERSION_2 ) + opt.min_version = MBEDTLS_SSL_MINOR_VERSION_2; + } + + /* Enable RC4 if needed and not explicitly disabled */ + if( ciphersuite_info->cipher == MBEDTLS_CIPHER_ARC4_128 ) + { + if( opt.arc4 == MBEDTLS_SSL_ARC4_DISABLED ) + { + mbedtls_printf("forced RC4 ciphersuite with RC4 disabled\n"); + ret = 2; + goto usage; + } + + opt.arc4 = MBEDTLS_SSL_ARC4_ENABLED; + } + } + +#if defined(MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED) + /* + * Unhexify the pre-shared key if any is given + */ + if( strlen( opt.psk ) ) + { + unsigned char c; + size_t j; + + if( strlen( opt.psk ) % 2 != 0 ) + { + mbedtls_printf("pre-shared key not valid hex\n"); + goto exit; + } + + psk_len = strlen( opt.psk ) / 2; + + for( j = 0; j < strlen( opt.psk ); j += 2 ) + { + c = opt.psk[j]; + if( c >= '0' && c <= '9' ) + c -= '0'; + else if( c >= 'a' && c <= 'f' ) + c -= 'a' - 10; + else if( c >= 'A' && c <= 'F' ) + c -= 'A' - 10; + else + { + mbedtls_printf("pre-shared key not valid hex\n"); + goto exit; + } + psk[ j / 2 ] = c << 4; + + c = opt.psk[j + 1]; + if( c >= '0' && c <= '9' ) + c -= '0'; + else if( c >= 'a' && c <= 'f' ) + c -= 'a' - 10; + else if( c >= 'A' && c <= 'F' ) + c -= 'A' - 10; + else + { + mbedtls_printf("pre-shared key not valid hex\n"); + goto exit; + } + psk[ j / 2 ] |= c; + } + } +#endif /* MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED */ + +#if defined(MBEDTLS_SSL_ALPN) + if( opt.alpn_string != NULL ) + { + p = (char *) opt.alpn_string; + i = 0; + + /* Leave room for a final NULL in alpn_list */ + while( i < (int) sizeof alpn_list - 1 && *p != '\0' ) + { + alpn_list[i++] = p; + + /* Terminate the current string and move on to next one */ + while( *p != ',' && *p != '\0' ) + p++; + if( *p == ',' ) + *p++ = '\0'; + } + } +#endif /* MBEDTLS_SSL_ALPN */ + + /* + * 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 -0x%x\n", -ret ); + goto exit; + } + + mbedtls_printf( " ok\n" ); + +#if defined(MBEDTLS_X509_CRT_PARSE_C) + /* + * 1.1. Load the trusted CA + */ + mbedtls_printf( " . Loading the CA root certificate ..." ); + fflush( stdout ); + +#if defined(MBEDTLS_FS_IO) + if( strlen( opt.ca_path ) ) + if( strcmp( opt.ca_path, "none" ) == 0 ) + ret = 0; + else + ret = mbedtls_x509_crt_parse_path( &cacert, opt.ca_path ); + else if( strlen( opt.ca_file ) ) + if( strcmp( opt.ca_file, "none" ) == 0 ) + ret = 0; + else + ret = mbedtls_x509_crt_parse_file( &cacert, opt.ca_file ); + else +#endif +#if defined(MBEDTLS_CERTS_C) + for( i = 0; mbedtls_test_cas[i] != NULL; i++ ) + { + ret = mbedtls_x509_crt_parse( &cacert, + (const unsigned char *) mbedtls_test_cas[i], + mbedtls_test_cas_len[i] ); + if( ret != 0 ) + break; + } +#else + { + ret = 1; + mbedtls_printf("MBEDTLS_CERTS_C not defined."); + } +#endif + if( ret < 0 ) + { + mbedtls_printf( " failed\n ! mbedtls_x509_crt_parse returned -0x%x\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 ) ) + if( strcmp( opt.crt_file, "none" ) == 0 ) + ret = 0; + else + 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 + { + ret = 1; + mbedtls_printf("MBEDTLS_CERTS_C not defined."); + } +#endif + if( ret != 0 ) + { + mbedtls_printf( " failed\n ! mbedtls_x509_crt_parse returned -0x%x\n\n", -ret ); + goto exit; + } + +#if defined(MBEDTLS_FS_IO) + if( strlen( opt.key_file ) ) + if( strcmp( opt.key_file, "none" ) == 0 ) + ret = 0; + else + ret = mbedtls_pk_parse_keyfile( &pkey, opt.key_file, "" ); + else +#endif +#if defined(MBEDTLS_CERTS_C) + ret = mbedtls_pk_parse_key( &pkey, (const unsigned char *) mbedtls_test_cli_key, + mbedtls_test_cli_key_len, NULL, 0 ); +#else + { + ret = 1; + mbedtls_printf("MBEDTLS_CERTS_C not defined."); + } +#endif + if( ret != 0 ) + { + mbedtls_printf( " failed\n ! mbedtls_pk_parse_key returned -0x%x\n\n", -ret ); + goto exit; + } + + mbedtls_printf( " ok\n" ); +#endif /* MBEDTLS_X509_CRT_PARSE_C */ + + /* + * 2. Start the connection + */ + if( opt.server_addr == NULL) + opt.server_addr = opt.server_name; + + mbedtls_printf( " . Connecting to %s/%s/%s...", + opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ? "tcp" : "udp", + opt.server_addr, opt.server_port ); + fflush( stdout ); + + if( ( ret = mbedtls_net_connect( &server_fd, opt.server_addr, opt.server_port, + opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ? + MBEDTLS_NET_PROTO_TCP : MBEDTLS_NET_PROTO_UDP ) ) != 0 ) + { + mbedtls_printf( " failed\n ! mbedtls_net_connect returned -0x%x\n\n", -ret ); + goto exit; + } + + if( opt.nbio > 0 ) + ret = mbedtls_net_set_nonblock( &server_fd ); + else + ret = mbedtls_net_set_block( &server_fd ); + if( ret != 0 ) + { + mbedtls_printf( " failed\n ! net_set_(non)block() returned -0x%x\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, + opt.transport, + MBEDTLS_SSL_PRESET_DEFAULT ) ) != 0 ) + { + mbedtls_printf( " failed\n ! mbedtls_ssl_config_defaults returned -0x%x\n\n", -ret ); + goto exit; + } + +#if defined(MBEDTLS_X509_CRT_PARSE_C) + if( opt.debug_level > 0 ) + mbedtls_ssl_conf_verify( &conf, my_verify, NULL ); +#endif + + if( opt.auth_mode != DFL_AUTH_MODE ) + mbedtls_ssl_conf_authmode( &conf, opt.auth_mode ); + +#if defined(MBEDTLS_SSL_PROTO_DTLS) + if( opt.hs_to_min != DFL_HS_TO_MIN || opt.hs_to_max != DFL_HS_TO_MAX ) + mbedtls_ssl_conf_handshake_timeout( &conf, opt.hs_to_min, opt.hs_to_max ); +#endif /* MBEDTLS_SSL_PROTO_DTLS */ + +#if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH) + if( ( ret = mbedtls_ssl_conf_max_frag_len( &conf, opt.mfl_code ) ) != 0 ) + { + mbedtls_printf( " failed\n ! mbedtls_ssl_conf_max_frag_len returned %d\n\n", ret ); + goto exit; + } +#endif + +#if defined(MBEDTLS_SSL_TRUNCATED_HMAC) + if( opt.trunc_hmac != DFL_TRUNC_HMAC ) + mbedtls_ssl_conf_truncated_hmac( &conf, opt.trunc_hmac ); +#endif + +#if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET) + if( opt.extended_ms != DFL_EXTENDED_MS ) + mbedtls_ssl_conf_extended_master_secret( &conf, opt.extended_ms ); +#endif + +#if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC) + if( opt.etm != DFL_ETM ) + mbedtls_ssl_conf_encrypt_then_mac( &conf, opt.etm ); +#endif + +#if defined(MBEDTLS_SSL_CBC_RECORD_SPLITTING) + if( opt.recsplit != DFL_RECSPLIT ) + mbedtls_ssl_conf_cbc_record_splitting( &conf, opt.recsplit + ? MBEDTLS_SSL_CBC_RECORD_SPLITTING_ENABLED + : MBEDTLS_SSL_CBC_RECORD_SPLITTING_DISABLED ); +#endif + +#if defined(MBEDTLS_DHM_C) + if( opt.dhmlen != DFL_DHMLEN ) + mbedtls_ssl_conf_dhm_min_bitlen( &conf, opt.dhmlen ); +#endif + +#if defined(MBEDTLS_SSL_ALPN) + if( opt.alpn_string != NULL ) + if( ( ret = mbedtls_ssl_conf_alpn_protocols( &conf, alpn_list ) ) != 0 ) + { + mbedtls_printf( " failed\n ! mbedtls_ssl_conf_alpn_protocols returned %d\n\n", ret ); + goto exit; + } +#endif + + mbedtls_ssl_conf_rng( &conf, mbedtls_ctr_drbg_random, &ctr_drbg ); + mbedtls_ssl_conf_dbg( &conf, my_debug, stdout ); + + mbedtls_ssl_conf_read_timeout( &conf, opt.read_timeout ); + +#if defined(MBEDTLS_SSL_SESSION_TICKETS) + mbedtls_ssl_conf_session_tickets( &conf, opt.tickets ); +#endif + + if( opt.force_ciphersuite[0] != DFL_FORCE_CIPHER ) + mbedtls_ssl_conf_ciphersuites( &conf, opt.force_ciphersuite ); + +#if defined(MBEDTLS_ARC4_C) + if( opt.arc4 != DFL_ARC4 ) + mbedtls_ssl_conf_arc4_support( &conf, opt.arc4 ); +#endif + + if( opt.allow_legacy != DFL_ALLOW_LEGACY ) + mbedtls_ssl_conf_legacy_renegotiation( &conf, opt.allow_legacy ); +#if defined(MBEDTLS_SSL_RENEGOTIATION) + mbedtls_ssl_conf_renegotiation( &conf, opt.renegotiation ); +#endif + +#if defined(MBEDTLS_X509_CRT_PARSE_C) + if( strcmp( opt.ca_path, "none" ) != 0 && + strcmp( opt.ca_file, "none" ) != 0 ) + { + mbedtls_ssl_conf_ca_chain( &conf, &cacert, NULL ); + } + if( strcmp( opt.crt_file, "none" ) != 0 && + strcmp( opt.key_file, "none" ) != 0 ) + { + 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; + } + } +#endif + +#if defined(MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED) + if( ( ret = mbedtls_ssl_conf_psk( &conf, psk, psk_len, + (const unsigned char *) opt.psk_identity, + strlen( opt.psk_identity ) ) ) != 0 ) + { + mbedtls_printf( " failed\n ! mbedtls_ssl_conf_psk returned %d\n\n", ret ); + goto exit; + } +#endif + + if( opt.min_version != DFL_MIN_VERSION ) + mbedtls_ssl_conf_min_version( &conf, MBEDTLS_SSL_MAJOR_VERSION_3, opt.min_version ); + + if( opt.max_version != DFL_MAX_VERSION ) + mbedtls_ssl_conf_max_version( &conf, MBEDTLS_SSL_MAJOR_VERSION_3, opt.max_version ); + +#if defined(MBEDTLS_SSL_FALLBACK_SCSV) + if( opt.fallback != DFL_FALLBACK ) + mbedtls_ssl_conf_fallback( &conf, opt.fallback ); +#endif + + if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 ) + { + mbedtls_printf( " failed\n ! mbedtls_ssl_setup returned -0x%x\n\n", -ret ); + goto exit; + } + +#if defined(MBEDTLS_X509_CRT_PARSE_C) + 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; + } +#endif + +#if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED) + if( opt.ecjpake_pw != DFL_ECJPAKE_PW ) + { + if( ( ret = mbedtls_ssl_set_hs_ecjpake_password( &ssl, + (const unsigned char *) opt.ecjpake_pw, + strlen( opt.ecjpake_pw ) ) ) != 0 ) + { + mbedtls_printf( " failed\n ! mbedtls_ssl_set_hs_ecjpake_password returned %d\n\n", ret ); + goto exit; + } + } +#endif + + if( opt.nbio == 2 ) + mbedtls_ssl_set_bio( &ssl, &server_fd, my_send, my_recv, NULL ); + else + mbedtls_ssl_set_bio( &ssl, &server_fd, mbedtls_net_send, mbedtls_net_recv, + opt.nbio == 0 ? mbedtls_net_recv_timeout : NULL ); + +#if defined(MBEDTLS_TIMING_C) + mbedtls_ssl_set_timer_cb( &ssl, &timer, mbedtls_timing_set_delay, + mbedtls_timing_get_delay ); +#endif + + mbedtls_printf( " ok\n" ); + + /* + * 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 ) + { + mbedtls_printf( " failed\n ! mbedtls_ssl_handshake returned -0x%x\n", -ret ); + if( ret == MBEDTLS_ERR_X509_CERT_VERIFY_FAILED ) + mbedtls_printf( + " Unable to verify the server's certificate. " + "Either it is invalid,\n" + " or you didn't set ca_file or ca_path " + "to an appropriate value.\n" + " Alternatively, you may want to use " + "auth_mode=optional for testing purposes.\n" ); + mbedtls_printf( "\n" ); + goto exit; + } + } + + mbedtls_printf( " ok\n [ Protocol is %s ]\n [ Ciphersuite is %s ]\n", + mbedtls_ssl_get_version( &ssl ), mbedtls_ssl_get_ciphersuite( &ssl ) ); + + if( ( ret = mbedtls_ssl_get_record_expansion( &ssl ) ) >= 0 ) + mbedtls_printf( " [ Record expansion is %d ]\n", ret ); + else + mbedtls_printf( " [ Record expansion is unknown (compression) ]\n" ); + +#if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH) + mbedtls_printf( " [ Maximum fragment length is %u ]\n", + (unsigned int) mbedtls_ssl_get_max_frag_len( &ssl ) ); +#endif + +#if defined(MBEDTLS_SSL_ALPN) + if( opt.alpn_string != NULL ) + { + const char *alp = mbedtls_ssl_get_alpn_protocol( &ssl ); + mbedtls_printf( " [ Application Layer Protocol is %s ]\n", + alp ? alp : "(none)" ); + } +#endif + + if( opt.reconnect != 0 ) + { + mbedtls_printf(" . Saving session for reuse..." ); + fflush( stdout ); + + if( ( ret = mbedtls_ssl_get_session( &ssl, &saved_session ) ) != 0 ) + { + mbedtls_printf( " failed\n ! mbedtls_ssl_get_session returned -0x%x\n\n", -ret ); + goto exit; + } + + mbedtls_printf( " ok\n" ); + } + +#if defined(MBEDTLS_X509_CRT_PARSE_C) + /* + * 5. Verify the server certificate + */ + mbedtls_printf( " . Verifying peer X.509 certificate..." ); + + 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" ); + + if( mbedtls_ssl_get_peer_cert( &ssl ) != NULL ) + { + 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 ); + } +#endif /* MBEDTLS_X509_CRT_PARSE_C */ + +#if defined(MBEDTLS_SSL_RENEGOTIATION) + if( opt.renegotiate ) + { + /* + * Perform renegotiation (this must be done when the server is waiting + * for input from our side). + */ + mbedtls_printf( " . Performing renegotiation..." ); + fflush( stdout ); + while( ( ret = mbedtls_ssl_renegotiate( &ssl ) ) != 0 ) + { + if( ret != MBEDTLS_ERR_SSL_WANT_READ && + ret != MBEDTLS_ERR_SSL_WANT_WRITE ) + { + mbedtls_printf( " failed\n ! mbedtls_ssl_renegotiate returned %d\n\n", ret ); + goto exit; + } + } + mbedtls_printf( " ok\n" ); + } +#endif /* MBEDTLS_SSL_RENEGOTIATION */ + + /* + * 6. Write the GET request + */ + retry_left = opt.max_resend; +send_request: + mbedtls_printf( " > Write to server:" ); + fflush( stdout ); + + len = mbedtls_snprintf( (char *) buf, sizeof(buf) - 1, GET_REQUEST, + opt.request_page ); + tail_len = (int) strlen( GET_REQUEST_END ); + + /* Add padding to GET request to reach opt.request_size in length */ + if( opt.request_size != DFL_REQUEST_SIZE && + len + tail_len < opt.request_size ) + { + memset( buf + len, 'A', opt.request_size - len - tail_len ); + len += opt.request_size - len - tail_len; + } + + strncpy( (char *) buf + len, GET_REQUEST_END, sizeof(buf) - len - 1 ); + len += tail_len; + + /* Truncate if request size is smaller than the "natural" size */ + if( opt.request_size != DFL_REQUEST_SIZE && + len > opt.request_size ) + { + len = opt.request_size; + + /* Still end with \r\n unless that's really not possible */ + if( len >= 2 ) buf[len - 2] = '\r'; + if( len >= 1 ) buf[len - 1] = '\n'; + } + + if( opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ) + { + for( written = 0, frags = 0; written < len; written += ret, frags++ ) + { + while( ( ret = mbedtls_ssl_write( &ssl, buf + written, len - written ) ) + <= 0 ) + { + if( ret != MBEDTLS_ERR_SSL_WANT_READ && + ret != MBEDTLS_ERR_SSL_WANT_WRITE ) + { + mbedtls_printf( " failed\n ! mbedtls_ssl_write returned -0x%x\n\n", -ret ); + goto exit; + } + } + } + } + else /* Not stream, so datagram */ + { + do ret = mbedtls_ssl_write( &ssl, buf, len ); + while( ret == MBEDTLS_ERR_SSL_WANT_READ || + ret == MBEDTLS_ERR_SSL_WANT_WRITE ); + + if( ret < 0 ) + { + mbedtls_printf( " failed\n ! mbedtls_ssl_write returned %d\n\n", ret ); + goto exit; + } + + frags = 1; + written = ret; + } + + buf[written] = '\0'; + mbedtls_printf( " %d bytes written in %d fragments\n\n%s\n", written, frags, (char *) buf ); + + /* + * 7. Read the HTTP response + */ + mbedtls_printf( " < Read from server:" ); + fflush( stdout ); + + /* + * TLS and DTLS need different reading styles (stream vs datagram) + */ + if( opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ) + { + 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 ) + continue; + + if( ret <= 0 ) + { + switch( ret ) + { + case MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY: + mbedtls_printf( " connection was closed gracefully\n" ); + ret = 0; + goto close_notify; + + case 0: + case MBEDTLS_ERR_NET_CONN_RESET: + mbedtls_printf( " connection was reset by peer\n" ); + ret = 0; + goto reconnect; + + default: + mbedtls_printf( " mbedtls_ssl_read returned -0x%x\n", -ret ); + goto exit; + } + } + + len = ret; + buf[len] = '\0'; + mbedtls_printf( " %d bytes read\n\n%s", len, (char *) buf ); + + /* End of message should be detected according to the syntax of the + * application protocol (eg HTTP), just use a dummy test here. */ + if( ret > 0 && buf[len-1] == '\n' ) + { + ret = 0; + break; + } + } + while( 1 ); + } + else /* Not stream, so datagram */ + { + len = sizeof( buf ) - 1; + memset( buf, 0, sizeof( buf ) ); + + do ret = mbedtls_ssl_read( &ssl, buf, len ); + while( ret == MBEDTLS_ERR_SSL_WANT_READ || + ret == MBEDTLS_ERR_SSL_WANT_WRITE ); + + if( ret <= 0 ) + { + switch( ret ) + { + case MBEDTLS_ERR_SSL_TIMEOUT: + mbedtls_printf( " timeout\n" ); + if( retry_left-- > 0 ) + goto send_request; + goto exit; + + case MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY: + mbedtls_printf( " connection was closed gracefully\n" ); + ret = 0; + goto close_notify; + + default: + mbedtls_printf( " mbedtls_ssl_read returned -0x%x\n", -ret ); + goto exit; + } + } + + len = ret; + buf[len] = '\0'; + mbedtls_printf( " %d bytes read\n\n%s", len, (char *) buf ); + ret = 0; + } + + /* + * 7b. Simulate hard reset and reconnect from same port? + */ + if( opt.reconnect_hard != 0 ) + { + opt.reconnect_hard = 0; + + mbedtls_printf( " . Restarting connection from same port..." ); + fflush( stdout ); + + if( ( ret = mbedtls_ssl_session_reset( &ssl ) ) != 0 ) + { + mbedtls_printf( " failed\n ! mbedtls_ssl_session_reset returned -0x%x\n\n", -ret ); + goto exit; + } + + 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", -ret ); + goto exit; + } + } + + mbedtls_printf( " ok\n" ); + + goto send_request; + } + + /* + * 7c. Continue doing data exchanges? + */ + if( --opt.exchanges > 0 ) + goto send_request; + + /* + * 8. Done, cleanly close the connection + */ +close_notify: + mbedtls_printf( " . Closing the connection..." ); + fflush( stdout ); + + /* No error checking, the connection might be closed already */ + do ret = mbedtls_ssl_close_notify( &ssl ); + while( ret == MBEDTLS_ERR_SSL_WANT_WRITE ); + ret = 0; + + mbedtls_printf( " done\n" ); + + /* + * 9. Reconnect? + */ +reconnect: + if( opt.reconnect != 0 ) + { + --opt.reconnect; + + mbedtls_net_free( &server_fd ); + +#if defined(MBEDTLS_TIMING_C) + if( opt.reco_delay > 0 ) + mbedtls_net_usleep( 1000000 * opt.reco_delay ); +#endif + + mbedtls_printf( " . Reconnecting with saved session..." ); + + if( ( ret = mbedtls_ssl_session_reset( &ssl ) ) != 0 ) + { + mbedtls_printf( " failed\n ! mbedtls_ssl_session_reset returned -0x%x\n\n", -ret ); + goto exit; + } + + if( ( ret = mbedtls_ssl_set_session( &ssl, &saved_session ) ) != 0 ) + { + mbedtls_printf( " failed\n ! mbedtls_ssl_conf_session returned %d\n\n", ret ); + goto exit; + } + + if( ( ret = mbedtls_net_connect( &server_fd, opt.server_addr, opt.server_port, + opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ? + MBEDTLS_NET_PROTO_TCP : MBEDTLS_NET_PROTO_UDP ) ) != 0 ) + { + mbedtls_printf( " failed\n ! mbedtls_net_connect returned -0x%x\n\n", -ret ); + goto exit; + } + + if( opt.nbio > 0 ) + ret = mbedtls_net_set_nonblock( &server_fd ); + else + ret = mbedtls_net_set_block( &server_fd ); + if( ret != 0 ) + { + mbedtls_printf( " failed\n ! net_set_(non)block() returned -0x%x\n\n", + -ret ); + goto exit; + } + + 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", -ret ); + goto exit; + } + } + + mbedtls_printf( " ok\n" ); + + goto send_request; + } + + /* + * Cleanup and exit + */ +exit: +#ifdef MBEDTLS_ERROR_C + if( ret != 0 ) + { + char error_buf[100]; + mbedtls_strerror( ret, error_buf, 100 ); + mbedtls_printf("Last error was: -0x%X - %s\n\n", -ret, error_buf ); + } +#endif + + mbedtls_net_free( &server_fd ); + +#if defined(MBEDTLS_X509_CRT_PARSE_C) + mbedtls_x509_crt_free( &clicert ); + mbedtls_x509_crt_free( &cacert ); + mbedtls_pk_free( &pkey ); +#endif + mbedtls_ssl_session_free( &saved_session ); + 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 + + // Shell can not handle large exit numbers -> 1 for errors + if( ret < 0 ) + ret = 1; + + return( ret ); +} +#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 MBEDTLS_TIMING_C */ |