| /* |
| * SSL client with options |
| * |
| * 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_free free |
| #define mbedtls_time time |
| #define mbedtls_time_t time_t |
| #define mbedtls_calloc calloc |
| #define mbedtls_fprintf fprintf |
| #define mbedtls_printf printf |
| #endif |
| |
| #if !defined(MBEDTLS_ENTROPY_C) || \ |
| !defined(MBEDTLS_SSL_TLS_C) || !defined(MBEDTLS_SSL_SRV_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_SRV_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> |
| #include <stdint.h> |
| |
| #if !defined(_MSC_VER) |
| #include <inttypes.h> |
| #endif |
| |
| #if !defined(_WIN32) |
| #include <signal.h> |
| #endif |
| |
| #if defined(MBEDTLS_SSL_CACHE_C) |
| #include "mbedtls/ssl_cache.h" |
| #endif |
| |
| #if defined(MBEDTLS_SSL_TICKET_C) |
| #include "mbedtls/ssl_ticket.h" |
| #endif |
| |
| #if defined(MBEDTLS_SSL_COOKIE_C) |
| #include "mbedtls/ssl_cookie.h" |
| #endif |
| |
| #if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C) |
| #include "mbedtls/memory_buffer_alloc.h" |
| #endif |
| |
| #if defined(MBEDTLS_SSL_SERVER_NAME_INDICATION) && defined(MBEDTLS_FS_IO) |
| #define SNI_OPTION |
| #endif |
| |
| #if defined(_WIN32) |
| #include <windows.h> |
| #endif |
| |
| /* Size of memory to be allocated for the heap, when using the library's memory |
| * management and MBEDTLS_MEMORY_BUFFER_ALLOC_C is enabled. */ |
| #define MEMORY_HEAP_SIZE 120000 |
| |
| #define DFL_SERVER_ADDR NULL |
| #define DFL_SERVER_PORT "4433" |
| #define DFL_DEBUG_LEVEL 0 |
| #define DFL_NBIO 0 |
| #define DFL_EVENT 0 |
| #define DFL_READ_TIMEOUT 0 |
| #define DFL_CA_FILE "" |
| #define DFL_CA_PATH "" |
| #define DFL_CRT_FILE "" |
| #define DFL_KEY_FILE "" |
| #define DFL_CRT_FILE2 "" |
| #define DFL_KEY_FILE2 "" |
| #define DFL_ASYNC_OPERATIONS "-" |
| #define DFL_ASYNC_PRIVATE_DELAY1 ( -1 ) |
| #define DFL_ASYNC_PRIVATE_DELAY2 ( -1 ) |
| #define DFL_ASYNC_PRIVATE_ERROR ( 0 ) |
| #define DFL_PSK "" |
| #define DFL_PSK_IDENTITY "Client_identity" |
| #define DFL_ECJPAKE_PW NULL |
| #define DFL_PSK_LIST NULL |
| #define DFL_FORCE_CIPHER 0 |
| #define DFL_VERSION_SUITES NULL |
| #define DFL_RENEGOTIATION MBEDTLS_SSL_RENEGOTIATION_DISABLED |
| #define DFL_ALLOW_LEGACY -2 |
| #define DFL_RENEGOTIATE 0 |
| #define DFL_RENEGO_DELAY -2 |
| #define DFL_RENEGO_PERIOD ( (uint64_t)-1 ) |
| #define DFL_EXCHANGES 1 |
| #define DFL_MIN_VERSION -1 |
| #define DFL_MAX_VERSION -1 |
| #define DFL_ARC4 -1 |
| #define DFL_SHA1 -1 |
| #define DFL_AUTH_MODE -1 |
| #define DFL_CERT_REQ_CA_LIST MBEDTLS_SSL_CERT_REQ_CA_LIST_ENABLED |
| #define DFL_MFL_CODE MBEDTLS_SSL_MAX_FRAG_LEN_NONE |
| #define DFL_TRUNC_HMAC -1 |
| #define DFL_TICKETS MBEDTLS_SSL_SESSION_TICKETS_ENABLED |
| #define DFL_TICKET_TIMEOUT 86400 |
| #define DFL_CACHE_MAX -1 |
| #define DFL_CACHE_TIMEOUT -1 |
| #define DFL_SNI NULL |
| #define DFL_ALPN_STRING NULL |
| #define DFL_CURVES NULL |
| #define DFL_DHM_FILE NULL |
| #define DFL_TRANSPORT MBEDTLS_SSL_TRANSPORT_STREAM |
| #define DFL_COOKIES 1 |
| #define DFL_ANTI_REPLAY -1 |
| #define DFL_HS_TO_MIN 0 |
| #define DFL_HS_TO_MAX 0 |
| #define DFL_DTLS_MTU -1 |
| #define DFL_BADMAC_LIMIT -1 |
| #define DFL_DGRAM_PACKING 1 |
| #define DFL_EXTENDED_MS -1 |
| #define DFL_ETM -1 |
| |
| #define LONG_RESPONSE "<p>01-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n" \ |
| "02-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n" \ |
| "03-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n" \ |
| "04-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n" \ |
| "05-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n" \ |
| "06-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n" \ |
| "07-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah</p>\r\n" |
| |
| /* Uncomment LONG_RESPONSE at the end of HTTP_RESPONSE to test sending longer |
| * packets (for fragmentation purposes) */ |
| #define HTTP_RESPONSE \ |
| "HTTP/1.0 200 OK\r\nContent-Type: text/html\r\n\r\n" \ |
| "<h2>mbed TLS Test Server</h2>\r\n" \ |
| "<p>Successful connection using: %s</p>\r\n" // LONG_RESPONSE |
| |
| /* |
| * Size of the basic I/O buffer. Able to hold our default response. |
| * |
| * You will need to adapt the mbedtls_ssl_get_bytes_avail() test in ssl-opt.sh |
| * if you change this value to something outside the range <= 100 or > 500 |
| */ |
| #define IO_BUF_LEN 200 |
| |
| #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: see note after key_file2\n" \ |
| " key_file=%%s default: see note after key_file2\n" \ |
| " crt_file2=%%s Your second cert and chain (in bottom to top order, top may be omitted)\n" \ |
| " default: see note after key_file2\n" \ |
| " key_file2=%%s default: see note below\n" \ |
| " note: if neither crt_file/key_file nor crt_file2/key_file2 are used,\n" \ |
| " preloaded certificate(s) and key(s) are used if available\n" \ |
| " dhm_file=%%s File containing Diffie-Hellman parameters\n" \ |
| " default: preloaded parameters\n" |
| #else |
| #define USAGE_IO \ |
| "\n" \ |
| " No file operations available (MBEDTLS_FS_IO not defined)\n" \ |
| "\n" |
| #endif /* MBEDTLS_FS_IO */ |
| #else |
| #define USAGE_IO "" |
| #endif /* MBEDTLS_X509_CRT_PARSE_C */ |
| |
| #if defined(MBEDTLS_SSL_ASYNC_PRIVATE) |
| #define USAGE_SSL_ASYNC \ |
| " async_operations=%%c... d=decrypt, s=sign (default: -=off)\n" \ |
| " async_private_delay1=%%d Asynchronous delay for key_file or preloaded key\n" \ |
| " async_private_delay2=%%d Asynchronous delay for key_file2 and sni\n" \ |
| " default: -1 (not asynchronous)\n" \ |
| " async_private_error=%%d Async callback error injection (default=0=none,\n" \ |
| " 1=start, 2=cancel, 3=resume, negative=first time only)" |
| #else |
| #define USAGE_SSL_ASYNC "" |
| #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */ |
| |
| #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" \ |
| " ticket_timeout=%%d default: 86400 (one day)\n" |
| #else |
| #define USAGE_TICKETS "" |
| #endif /* MBEDTLS_SSL_SESSION_TICKETS */ |
| |
| #if defined(MBEDTLS_SSL_CACHE_C) |
| #define USAGE_CACHE \ |
| " cache_max=%%d default: cache default (50)\n" \ |
| " cache_timeout=%%d default: cache default (1d)\n" |
| #else |
| #define USAGE_CACHE "" |
| #endif /* MBEDTLS_SSL_CACHE_C */ |
| |
| #if defined(SNI_OPTION) |
| #define USAGE_SNI \ |
| " sni=%%s name1,cert1,key1,ca1,crl1,auth1[,...]\n" \ |
| " default: disabled\n" |
| #else |
| #define USAGE_SNI "" |
| #endif /* SNI_OPTION */ |
| |
| #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_TRUNCATED_HMAC) |
| #define USAGE_TRUNC_HMAC \ |
| " trunc_hmac=%%d default: library default\n" |
| #else |
| #define USAGE_TRUNC_HMAC "" |
| #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_DTLS_HELLO_VERIFY) |
| #define USAGE_COOKIES \ |
| " cookies=0/1/-1 default: 1 (enabled)\n" \ |
| " 0: disabled, -1: library default (broken)\n" |
| #else |
| #define USAGE_COOKIES "" |
| #endif |
| |
| #if defined(MBEDTLS_SSL_DTLS_ANTI_REPLAY) |
| #define USAGE_ANTI_REPLAY \ |
| " anti_replay=0/1 default: (library default: enabled)\n" |
| #else |
| #define USAGE_ANTI_REPLAY "" |
| #endif |
| |
| #if defined(MBEDTLS_SSL_DTLS_BADMAC_LIMIT) |
| #define USAGE_BADMAC_LIMIT \ |
| " badmac_limit=%%d default: (library default: disabled)\n" |
| #else |
| #define USAGE_BADMAC_LIMIT "" |
| #endif |
| |
| #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" \ |
| " mtu=%%d default: (library default: unlimited)\n" \ |
| " dgram_packing=%%d default: 1 (allowed)\n" \ |
| " allow or forbid packing of multiple\n" \ |
| " records within a single datgram.\n" |
| #else |
| #define USAGE_DTLS "" |
| #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" \ |
| " renego_delay=%%d default: -2 (library default)\n" \ |
| " renego_period=%%d default: (2^64 - 1 for TLS, 2^48 - 1 for DTLS)\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 |
| |
| #if defined(MBEDTLS_ECP_C) |
| #define USAGE_CURVES \ |
| " curves=a,b,c,d default: \"default\" (library default)\n" \ |
| " example: \"secp521r1,brainpoolP512r1\"\n" \ |
| " - use \"none\" for empty list\n" \ |
| " - see mbedtls_ecp_curve_list()\n" \ |
| " for acceptable curve names\n" |
| #else |
| #define USAGE_CURVES "" |
| #endif |
| |
| #define USAGE \ |
| "\n usage: ssl_server2 param=<>...\n" \ |
| "\n acceptable parameters:\n" \ |
| " server_addr=%%s default: (all interfaces)\n" \ |
| " server_port=%%d default: 4433\n" \ |
| " debug_level=%%d default: 0 (disabled)\n" \ |
| " nbio=%%d default: 0 (blocking I/O)\n" \ |
| " options: 1 (non-blocking), 2 (added delays)\n" \ |
| " event=%%d default: 0 (loop)\n" \ |
| " options: 1 (level-triggered, implies nbio=1),\n" \ |
| " read_timeout=%%d default: 0 ms (no timeout)\n" \ |
| "\n" \ |
| USAGE_DTLS \ |
| USAGE_COOKIES \ |
| USAGE_ANTI_REPLAY \ |
| USAGE_BADMAC_LIMIT \ |
| "\n" \ |
| " auth_mode=%%s default: (library default: none)\n" \ |
| " options: none, optional, required\n" \ |
| " cert_req_ca_list=%%d default: 1 (send ca list)\n" \ |
| " options: 1 (send ca list), 0 (don't send)\n" \ |
| USAGE_IO \ |
| USAGE_SSL_ASYNC \ |
| USAGE_SNI \ |
| "\n" \ |
| USAGE_PSK \ |
| USAGE_ECJPAKE \ |
| "\n" \ |
| " allow_legacy=%%d default: (library default: no)\n" \ |
| USAGE_RENEGO \ |
| " exchanges=%%d default: 1\n" \ |
| "\n" \ |
| USAGE_TICKETS \ |
| USAGE_CACHE \ |
| USAGE_MAX_FRAG_LEN \ |
| USAGE_TRUNC_HMAC \ |
| USAGE_ALPN \ |
| USAGE_EMS \ |
| USAGE_ETM \ |
| USAGE_CURVES \ |
| "\n" \ |
| " arc4=%%d default: (library default: 0)\n" \ |
| " allow_sha1=%%d 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" \ |
| " version_suites=a,b,c,d per-version ciphersuites\n" \ |
| " in order from ssl3 to tls1_2\n" \ |
| " default: all enabled\n" \ |
| " force_ciphersuite=<name> default: all enabled\n" \ |
| " acceptable ciphersuite names:\n" |
| |
| |
| #define ALPN_LIST_SIZE 10 |
| #define CURVE_LIST_SIZE 20 |
| |
| #define PUT_UINT64_BE(out_be,in_le,i) \ |
| { \ |
| (out_be)[(i) + 0] = (unsigned char)( ( (in_le) >> 56 ) & 0xFF ); \ |
| (out_be)[(i) + 1] = (unsigned char)( ( (in_le) >> 48 ) & 0xFF ); \ |
| (out_be)[(i) + 2] = (unsigned char)( ( (in_le) >> 40 ) & 0xFF ); \ |
| (out_be)[(i) + 3] = (unsigned char)( ( (in_le) >> 32 ) & 0xFF ); \ |
| (out_be)[(i) + 4] = (unsigned char)( ( (in_le) >> 24 ) & 0xFF ); \ |
| (out_be)[(i) + 5] = (unsigned char)( ( (in_le) >> 16 ) & 0xFF ); \ |
| (out_be)[(i) + 6] = (unsigned char)( ( (in_le) >> 8 ) & 0xFF ); \ |
| (out_be)[(i) + 7] = (unsigned char)( ( (in_le) >> 0 ) & 0xFF ); \ |
| } |
| |
| /* |
| * global options |
| */ |
| struct options |
| { |
| const char *server_addr; /* address on which the ssl service runs */ |
| const char *server_port; /* port on which the ssl service runs */ |
| int debug_level; /* level of debugging */ |
| int nbio; /* should I/O be blocking? */ |
| int event; /* loop or event-driven IO? level or edge triggered? */ |
| uint32_t read_timeout; /* timeout on mbedtls_ssl_read() in milliseconds */ |
| 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 server certificate */ |
| const char *key_file; /* the file with the server key */ |
| const char *crt_file2; /* the file with the 2nd server certificate */ |
| const char *key_file2; /* the file with the 2nd server key */ |
| const char *async_operations; /* supported SSL asynchronous operations */ |
| int async_private_delay1; /* number of times f_async_resume needs to be called for key 1, or -1 for no async */ |
| int async_private_delay2; /* number of times f_async_resume needs to be called for key 2, or -1 for no async */ |
| int async_private_error; /* inject error in async private callback */ |
| const char *psk; /* the pre-shared key */ |
| const char *psk_identity; /* the pre-shared key identity */ |
| char *psk_list; /* list of PSK id/key pairs for callback */ |
| const char *ecjpake_pw; /* the EC J-PAKE password */ |
| int force_ciphersuite[2]; /* protocol/ciphersuite to use, or all */ |
| const char *version_suites; /* per-version ciphersuites */ |
| int renegotiation; /* enable / disable renegotiation */ |
| int allow_legacy; /* allow legacy renegotiation */ |
| int renegotiate; /* attempt renegotiation? */ |
| int renego_delay; /* delay before enforcing renegotiation */ |
| uint64_t renego_period; /* period for automatic 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 allow_sha1; /* flag for SHA-1 support */ |
| int auth_mode; /* verify mode for connection */ |
| int cert_req_ca_list; /* should we send the CA list? */ |
| unsigned char mfl_code; /* code for maximum fragment length */ |
| int trunc_hmac; /* accept truncated hmac? */ |
| int tickets; /* enable / disable session tickets */ |
| int ticket_timeout; /* session ticket lifetime */ |
| int cache_max; /* max number of session cache entries */ |
| int cache_timeout; /* expiration delay of session cache entries */ |
| char *sni; /* string describing sni information */ |
| const char *curves; /* list of supported elliptic curves */ |
| const char *alpn_string; /* ALPN supported protocols */ |
| const char *dhm_file; /* the file with the DH parameters */ |
| int extended_ms; /* allow negotiation of extended MS? */ |
| int etm; /* allow negotiation of encrypt-then-MAC? */ |
| int transport; /* TLS or DTLS? */ |
| int cookies; /* Use cookies for DTLS? -1 to break them */ |
| int anti_replay; /* Use anti-replay for DTLS? -1 for default */ |
| uint32_t hs_to_min; /* Initial value of DTLS handshake timer */ |
| uint32_t hs_to_max; /* Max value of DTLS handshake timer */ |
| int dtls_mtu; /* UDP Maximum tranport unit for DTLS */ |
| int dgram_packing; /* allow/forbid datagram packing */ |
| int badmac_limit; /* Limit of records with bad 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 ); |
| } |
| |
| /* |
| * Return authmode from string, or -1 on error |
| */ |
| static int get_auth_mode( const char *s ) |
| { |
| if( strcmp( s, "none" ) == 0 ) |
| return( MBEDTLS_SSL_VERIFY_NONE ); |
| if( strcmp( s, "optional" ) == 0 ) |
| return( MBEDTLS_SSL_VERIFY_OPTIONAL ); |
| if( strcmp( s, "required" ) == 0 ) |
| return( MBEDTLS_SSL_VERIFY_REQUIRED ); |
| |
| return( -1 ); |
| } |
| |
| /* |
| * Used by sni_parse and psk_parse to handle coma-separated lists |
| */ |
| #define GET_ITEM( dst ) \ |
| dst = p; \ |
| while( *p != ',' ) \ |
| if( ++p > end ) \ |
| goto error; \ |
| *p++ = '\0'; |
| |
| #if defined(SNI_OPTION) |
| typedef struct _sni_entry sni_entry; |
| |
| struct _sni_entry { |
| const char *name; |
| mbedtls_x509_crt *cert; |
| mbedtls_pk_context *key; |
| mbedtls_x509_crt* ca; |
| mbedtls_x509_crl* crl; |
| int authmode; |
| sni_entry *next; |
| }; |
| |
| void sni_free( sni_entry *head ) |
| { |
| sni_entry *cur = head, *next; |
| |
| while( cur != NULL ) |
| { |
| mbedtls_x509_crt_free( cur->cert ); |
| mbedtls_free( cur->cert ); |
| |
| mbedtls_pk_free( cur->key ); |
| mbedtls_free( cur->key ); |
| |
| mbedtls_x509_crt_free( cur->ca ); |
| mbedtls_free( cur->ca ); |
| |
| mbedtls_x509_crl_free( cur->crl ); |
| mbedtls_free( cur->crl ); |
| |
| next = cur->next; |
| mbedtls_free( cur ); |
| cur = next; |
| } |
| } |
| |
| /* |
| * Parse a string of sextuples name1,crt1,key1,ca1,crl1,auth1[,...] |
| * into a usable sni_entry list. For ca1, crl1, auth1, the special value |
| * '-' means unset. If ca1 is unset, then crl1 is ignored too. |
| * |
| * Modifies the input string! This is not production quality! |
| */ |
| sni_entry *sni_parse( char *sni_string ) |
| { |
| sni_entry *cur = NULL, *new = NULL; |
| char *p = sni_string; |
| char *end = p; |
| char *crt_file, *key_file, *ca_file, *crl_file, *auth_str; |
| |
| while( *end != '\0' ) |
| ++end; |
| *end = ','; |
| |
| while( p <= end ) |
| { |
| if( ( new = mbedtls_calloc( 1, sizeof( sni_entry ) ) ) == NULL ) |
| { |
| sni_free( cur ); |
| return( NULL ); |
| } |
| |
| GET_ITEM( new->name ); |
| GET_ITEM( crt_file ); |
| GET_ITEM( key_file ); |
| GET_ITEM( ca_file ); |
| GET_ITEM( crl_file ); |
| GET_ITEM( auth_str ); |
| |
| if( ( new->cert = mbedtls_calloc( 1, sizeof( mbedtls_x509_crt ) ) ) == NULL || |
| ( new->key = mbedtls_calloc( 1, sizeof( mbedtls_pk_context ) ) ) == NULL ) |
| goto error; |
| |
| mbedtls_x509_crt_init( new->cert ); |
| mbedtls_pk_init( new->key ); |
| |
| if( mbedtls_x509_crt_parse_file( new->cert, crt_file ) != 0 || |
| mbedtls_pk_parse_keyfile( new->key, key_file, "" ) != 0 ) |
| goto error; |
| |
| if( strcmp( ca_file, "-" ) != 0 ) |
| { |
| if( ( new->ca = mbedtls_calloc( 1, sizeof( mbedtls_x509_crt ) ) ) == NULL ) |
| goto error; |
| |
| mbedtls_x509_crt_init( new->ca ); |
| |
| if( mbedtls_x509_crt_parse_file( new->ca, ca_file ) != 0 ) |
| goto error; |
| } |
| |
| if( strcmp( crl_file, "-" ) != 0 ) |
| { |
| if( ( new->crl = mbedtls_calloc( 1, sizeof( mbedtls_x509_crl ) ) ) == NULL ) |
| goto error; |
| |
| mbedtls_x509_crl_init( new->crl ); |
| |
| if( mbedtls_x509_crl_parse_file( new->crl, crl_file ) != 0 ) |
| goto error; |
| } |
| |
| if( strcmp( auth_str, "-" ) != 0 ) |
| { |
| if( ( new->authmode = get_auth_mode( auth_str ) ) < 0 ) |
| goto error; |
| } |
| else |
| new->authmode = DFL_AUTH_MODE; |
| |
| new->next = cur; |
| cur = new; |
| } |
| |
| return( cur ); |
| |
| error: |
| sni_free( new ); |
| sni_free( cur ); |
| return( NULL ); |
| } |
| |
| /* |
| * SNI callback. |
| */ |
| int sni_callback( void *p_info, mbedtls_ssl_context *ssl, |
| const unsigned char *name, size_t name_len ) |
| { |
| const sni_entry *cur = (const sni_entry *) p_info; |
| |
| while( cur != NULL ) |
| { |
| if( name_len == strlen( cur->name ) && |
| memcmp( name, cur->name, name_len ) == 0 ) |
| { |
| if( cur->ca != NULL ) |
| mbedtls_ssl_set_hs_ca_chain( ssl, cur->ca, cur->crl ); |
| |
| if( cur->authmode != DFL_AUTH_MODE ) |
| mbedtls_ssl_set_hs_authmode( ssl, cur->authmode ); |
| |
| return( mbedtls_ssl_set_hs_own_cert( ssl, cur->cert, cur->key ) ); |
| } |
| |
| cur = cur->next; |
| } |
| |
| return( -1 ); |
| } |
| |
| #endif /* SNI_OPTION */ |
| |
| #if defined(MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED) |
| |
| #define HEX2NUM( c ) \ |
| 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 \ |
| return( -1 ); |
| |
| /* |
| * Convert a hex string to bytes. |
| * Return 0 on success, -1 on error. |
| */ |
| int unhexify( unsigned char *output, const char *input, size_t *olen ) |
| { |
| unsigned char c; |
| size_t j; |
| |
| *olen = strlen( input ); |
| if( *olen % 2 != 0 || *olen / 2 > MBEDTLS_PSK_MAX_LEN ) |
| return( -1 ); |
| *olen /= 2; |
| |
| for( j = 0; j < *olen * 2; j += 2 ) |
| { |
| c = input[j]; |
| HEX2NUM( c ); |
| output[ j / 2 ] = c << 4; |
| |
| c = input[j + 1]; |
| HEX2NUM( c ); |
| output[ j / 2 ] |= c; |
| } |
| |
| return( 0 ); |
| } |
| |
| typedef struct _psk_entry psk_entry; |
| |
| struct _psk_entry |
| { |
| const char *name; |
| size_t key_len; |
| unsigned char key[MBEDTLS_PSK_MAX_LEN]; |
| psk_entry *next; |
| }; |
| |
| /* |
| * Free a list of psk_entry's |
| */ |
| void psk_free( psk_entry *head ) |
| { |
| psk_entry *next; |
| |
| while( head != NULL ) |
| { |
| next = head->next; |
| mbedtls_free( head ); |
| head = next; |
| } |
| } |
| |
| /* |
| * Parse a string of pairs name1,key1[,name2,key2[,...]] |
| * into a usable psk_entry list. |
| * |
| * Modifies the input string! This is not production quality! |
| */ |
| psk_entry *psk_parse( char *psk_string ) |
| { |
| psk_entry *cur = NULL, *new = NULL; |
| char *p = psk_string; |
| char *end = p; |
| char *key_hex; |
| |
| while( *end != '\0' ) |
| ++end; |
| *end = ','; |
| |
| while( p <= end ) |
| { |
| if( ( new = mbedtls_calloc( 1, sizeof( psk_entry ) ) ) == NULL ) |
| goto error; |
| |
| memset( new, 0, sizeof( psk_entry ) ); |
| |
| GET_ITEM( new->name ); |
| GET_ITEM( key_hex ); |
| |
| if( unhexify( new->key, key_hex, &new->key_len ) != 0 ) |
| goto error; |
| |
| new->next = cur; |
| cur = new; |
| } |
| |
| return( cur ); |
| |
| error: |
| psk_free( new ); |
| psk_free( cur ); |
| return( 0 ); |
| } |
| |
| /* |
| * PSK callback |
| */ |
| int psk_callback( void *p_info, mbedtls_ssl_context *ssl, |
| const unsigned char *name, size_t name_len ) |
| { |
| psk_entry *cur = (psk_entry *) p_info; |
| |
| while( cur != NULL ) |
| { |
| if( name_len == strlen( cur->name ) && |
| memcmp( name, cur->name, name_len ) == 0 ) |
| { |
| return( mbedtls_ssl_set_hs_psk( ssl, cur->key, cur->key_len ) ); |
| } |
| |
| cur = cur->next; |
| } |
| |
| return( -1 ); |
| } |
| #endif /* MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED */ |
| |
| static mbedtls_net_context listen_fd, client_fd; |
| |
| /* Interruption handler to ensure clean exit (for valgrind testing) */ |
| #if !defined(_WIN32) |
| static int received_sigterm = 0; |
| void term_handler( int sig ) |
| { |
| ((void) sig); |
| received_sigterm = 1; |
| mbedtls_net_free( &listen_fd ); /* causes mbedtls_net_accept() to abort */ |
| mbedtls_net_free( &client_fd ); /* causes net_read() to abort */ |
| } |
| #endif |
| |
| #if defined(MBEDTLS_X509_CRT_PARSE_C) |
| static int ssl_sig_hashes_for_test[] = { |
| #if defined(MBEDTLS_SHA512_C) |
| MBEDTLS_MD_SHA512, |
| MBEDTLS_MD_SHA384, |
| #endif |
| #if defined(MBEDTLS_SHA256_C) |
| MBEDTLS_MD_SHA256, |
| MBEDTLS_MD_SHA224, |
| #endif |
| #if defined(MBEDTLS_SHA1_C) |
| /* Allow SHA-1 as we use it extensively in tests. */ |
| MBEDTLS_MD_SHA1, |
| #endif |
| MBEDTLS_MD_NONE |
| }; |
| #endif /* MBEDTLS_X509_CRT_PARSE_C */ |
| |
| /** Return true if \p ret is a status code indicating that there is an |
| * operation in progress on an SSL connection, and false if it indicates |
| * success or a fatal error. |
| * |
| * The possible operations in progress are: |
| * |
| * - A read, when the SSL input buffer does not contain a full message. |
| * - A write, when the SSL output buffer contains some data that has not |
| * been sent over the network yet. |
| * - An asynchronous callback that has not completed yet. */ |
| static int mbedtls_status_is_ssl_in_progress( int ret ) |
| { |
| return( ret == MBEDTLS_ERR_SSL_WANT_READ || |
| ret == MBEDTLS_ERR_SSL_WANT_WRITE || |
| ret == MBEDTLS_ERR_SSL_ASYNC_IN_PROGRESS ); |
| } |
| |
| #if defined(MBEDTLS_SSL_ASYNC_PRIVATE) |
| typedef struct |
| { |
| mbedtls_x509_crt *cert; /*!< Certificate corresponding to the key */ |
| mbedtls_pk_context *pk; /*!< Private key */ |
| unsigned delay; /*!< Number of resume steps to go through */ |
| unsigned pk_owned : 1; /*!< Whether to free the pk object on exit */ |
| } ssl_async_key_slot_t; |
| |
| typedef enum { |
| SSL_ASYNC_INJECT_ERROR_NONE = 0, /*!< Let the callbacks succeed */ |
| SSL_ASYNC_INJECT_ERROR_START, /*!< Inject error during start */ |
| SSL_ASYNC_INJECT_ERROR_CANCEL, /*!< Close the connection after async start */ |
| SSL_ASYNC_INJECT_ERROR_RESUME, /*!< Inject error during resume */ |
| #define SSL_ASYNC_INJECT_ERROR_MAX SSL_ASYNC_INJECT_ERROR_RESUME |
| } ssl_async_inject_error_t; |
| |
| typedef struct |
| { |
| ssl_async_key_slot_t slots[4]; /* key, key2, sni1, sni2 */ |
| size_t slots_used; |
| ssl_async_inject_error_t inject_error; |
| int (*f_rng)(void *, unsigned char *, size_t); |
| void *p_rng; |
| } ssl_async_key_context_t; |
| |
| int ssl_async_set_key( ssl_async_key_context_t *ctx, |
| mbedtls_x509_crt *cert, |
| mbedtls_pk_context *pk, |
| int pk_take_ownership, |
| unsigned delay ) |
| { |
| if( ctx->slots_used >= sizeof( ctx->slots ) / sizeof( *ctx->slots ) ) |
| return( -1 ); |
| ctx->slots[ctx->slots_used].cert = cert; |
| ctx->slots[ctx->slots_used].pk = pk; |
| ctx->slots[ctx->slots_used].delay = delay; |
| ctx->slots[ctx->slots_used].pk_owned = pk_take_ownership; |
| ++ctx->slots_used; |
| return( 0 ); |
| } |
| |
| #define SSL_ASYNC_INPUT_MAX_SIZE 512 |
| |
| typedef enum |
| { |
| ASYNC_OP_SIGN, |
| ASYNC_OP_DECRYPT, |
| } ssl_async_operation_type_t; |
| /* Note that the enum above and the array below need to be kept in sync! |
| * `ssl_async_operation_names[op]` is the name of op for each value `op` |
| * of type `ssl_async_operation_type_t`. */ |
| static const char *const ssl_async_operation_names[] = |
| { |
| "sign", |
| "decrypt", |
| }; |
| |
| typedef struct |
| { |
| unsigned slot; |
| ssl_async_operation_type_t operation_type; |
| mbedtls_md_type_t md_alg; |
| unsigned char input[SSL_ASYNC_INPUT_MAX_SIZE]; |
| size_t input_len; |
| unsigned remaining_delay; |
| } ssl_async_operation_context_t; |
| |
| static int ssl_async_start( mbedtls_ssl_context *ssl, |
| mbedtls_x509_crt *cert, |
| ssl_async_operation_type_t op_type, |
| mbedtls_md_type_t md_alg, |
| const unsigned char *input, |
| size_t input_len ) |
| { |
| ssl_async_key_context_t *config_data = |
| mbedtls_ssl_conf_get_async_config_data( ssl->conf ); |
| unsigned slot; |
| ssl_async_operation_context_t *ctx = NULL; |
| const char *op_name = ssl_async_operation_names[op_type]; |
| |
| { |
| char dn[100]; |
| if( mbedtls_x509_dn_gets( dn, sizeof( dn ), &cert->subject ) > 0 ) |
| mbedtls_printf( "Async %s callback: looking for DN=%s\n", |
| op_name, dn ); |
| } |
| |
| /* Look for a private key that matches the public key in cert. |
| * Since this test code has the private key inside Mbed TLS, |
| * we call mbedtls_pk_check_pair to match a private key with the |
| * public key. */ |
| for( slot = 0; slot < config_data->slots_used; slot++ ) |
| { |
| if( mbedtls_pk_check_pair( &cert->pk, |
| config_data->slots[slot].pk ) == 0 ) |
| break; |
| } |
| if( slot == config_data->slots_used ) |
| { |
| mbedtls_printf( "Async %s callback: no key matches this certificate.\n", |
| op_name ); |
| return( MBEDTLS_ERR_SSL_HW_ACCEL_FALLTHROUGH ); |
| } |
| mbedtls_printf( "Async %s callback: using key slot %u, delay=%u.\n", |
| op_name, slot, config_data->slots[slot].delay ); |
| |
| if( config_data->inject_error == SSL_ASYNC_INJECT_ERROR_START ) |
| { |
| mbedtls_printf( "Async %s callback: injected error\n", op_name ); |
| return( MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE ); |
| } |
| |
| if( input_len > SSL_ASYNC_INPUT_MAX_SIZE ) |
| return( MBEDTLS_ERR_SSL_BAD_INPUT_DATA ); |
| |
| ctx = mbedtls_calloc( 1, sizeof( *ctx ) ); |
| if( ctx == NULL ) |
| return( MBEDTLS_ERR_SSL_ALLOC_FAILED ); |
| ctx->slot = slot; |
| ctx->operation_type = op_type; |
| ctx->md_alg = md_alg; |
| memcpy( ctx->input, input, input_len ); |
| ctx->input_len = input_len; |
| ctx->remaining_delay = config_data->slots[slot].delay; |
| mbedtls_ssl_set_async_operation_data( ssl, ctx ); |
| |
| if( ctx->remaining_delay == 0 ) |
| return( 0 ); |
| else |
| return( MBEDTLS_ERR_SSL_ASYNC_IN_PROGRESS ); |
| } |
| |
| static int ssl_async_sign( mbedtls_ssl_context *ssl, |
| mbedtls_x509_crt *cert, |
| mbedtls_md_type_t md_alg, |
| const unsigned char *hash, |
| size_t hash_len ) |
| { |
| return( ssl_async_start( ssl, cert, |
| ASYNC_OP_SIGN, md_alg, |
| hash, hash_len ) ); |
| } |
| |
| static int ssl_async_decrypt( mbedtls_ssl_context *ssl, |
| mbedtls_x509_crt *cert, |
| const unsigned char *input, |
| size_t input_len ) |
| { |
| return( ssl_async_start( ssl, cert, |
| ASYNC_OP_DECRYPT, MBEDTLS_MD_NONE, |
| input, input_len ) ); |
| } |
| |
| static int ssl_async_resume( mbedtls_ssl_context *ssl, |
| unsigned char *output, |
| size_t *output_len, |
| size_t output_size ) |
| { |
| ssl_async_operation_context_t *ctx = mbedtls_ssl_get_async_operation_data( ssl ); |
| ssl_async_key_context_t *config_data = |
| mbedtls_ssl_conf_get_async_config_data( ssl->conf ); |
| ssl_async_key_slot_t *key_slot = &config_data->slots[ctx->slot]; |
| int ret; |
| const char *op_name; |
| |
| if( ctx->remaining_delay > 0 ) |
| { |
| --ctx->remaining_delay; |
| mbedtls_printf( "Async resume (slot %u): call %u more times.\n", |
| ctx->slot, ctx->remaining_delay ); |
| return( MBEDTLS_ERR_SSL_ASYNC_IN_PROGRESS ); |
| } |
| |
| switch( ctx->operation_type ) |
| { |
| case ASYNC_OP_DECRYPT: |
| ret = mbedtls_pk_decrypt( key_slot->pk, |
| ctx->input, ctx->input_len, |
| output, output_len, output_size, |
| config_data->f_rng, config_data->p_rng ); |
| break; |
| case ASYNC_OP_SIGN: |
| ret = mbedtls_pk_sign( key_slot->pk, |
| ctx->md_alg, |
| ctx->input, ctx->input_len, |
| output, output_len, |
| config_data->f_rng, config_data->p_rng ); |
| break; |
| default: |
| mbedtls_printf( "Async resume (slot %u): unknown operation type %ld. This shouldn't happen.\n", |
| ctx->slot, (long) ctx->operation_type ); |
| mbedtls_free( ctx ); |
| return( MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE ); |
| break; |
| } |
| |
| op_name = ssl_async_operation_names[ctx->operation_type]; |
| |
| if( config_data->inject_error == SSL_ASYNC_INJECT_ERROR_RESUME ) |
| { |
| mbedtls_printf( "Async resume callback: %s done but injected error\n", |
| op_name ); |
| mbedtls_free( ctx ); |
| return( MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE ); |
| } |
| |
| mbedtls_printf( "Async resume (slot %u): %s done, status=%d.\n", |
| ctx->slot, op_name, ret ); |
| mbedtls_free( ctx ); |
| return( ret ); |
| } |
| |
| static void ssl_async_cancel( mbedtls_ssl_context *ssl ) |
| { |
| ssl_async_operation_context_t *ctx = mbedtls_ssl_get_async_operation_data( ssl ); |
| mbedtls_printf( "Async cancel callback.\n" ); |
| mbedtls_free( ctx ); |
| } |
| #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */ |
| |
| /* |
| * Wait for an event from the underlying transport or the timer |
| * (Used in event-driven IO mode). |
| */ |
| #if !defined(MBEDTLS_TIMING_C) |
| int idle( mbedtls_net_context *fd, |
| int idle_reason ) |
| #else |
| int idle( mbedtls_net_context *fd, |
| mbedtls_timing_delay_context *timer, |
| int idle_reason ) |
| #endif |
| { |
| int ret; |
| int poll_type = 0; |
| |
| if( idle_reason == MBEDTLS_ERR_SSL_WANT_WRITE ) |
| poll_type = MBEDTLS_NET_POLL_WRITE; |
| else if( idle_reason == MBEDTLS_ERR_SSL_WANT_READ ) |
| poll_type = MBEDTLS_NET_POLL_READ; |
| #if !defined(MBEDTLS_TIMING_C) |
| else |
| return( 0 ); |
| #endif |
| |
| while( 1 ) |
| { |
| /* Check if timer has expired */ |
| #if defined(MBEDTLS_TIMING_C) |
| if( timer != NULL && |
| mbedtls_timing_get_delay( timer ) == 2 ) |
| { |
| break; |
| } |
| #endif /* MBEDTLS_TIMING_C */ |
| |
| /* Check if underlying transport became available */ |
| if( poll_type != 0 ) |
| { |
| ret = mbedtls_net_poll( fd, poll_type, 0 ); |
| if( ret < 0 ) |
| return( ret ); |
| if( ret == poll_type ) |
| break; |
| } |
| } |
| |
| return( 0 ); |
| } |
| |
| int main( int argc, char *argv[] ) |
| { |
| int ret = 0, len, written, frags, exchanges_left; |
| int version_suites[4][2]; |
| unsigned char buf[IO_BUF_LEN]; |
| #if defined(MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED) |
| unsigned char psk[MBEDTLS_PSK_MAX_LEN]; |
| size_t psk_len = 0; |
| psk_entry *psk_info = NULL; |
| #endif |
| const char *pers = "ssl_server2"; |
| unsigned char client_ip[16] = { 0 }; |
| size_t cliip_len; |
| #if defined(MBEDTLS_SSL_COOKIE_C) |
| mbedtls_ssl_cookie_ctx cookie_ctx; |
| #endif |
| |
| #if defined(MBEDTLS_X509_CRT_PARSE_C) |
| mbedtls_x509_crt_profile crt_profile_for_test = mbedtls_x509_crt_profile_default; |
| #endif |
| mbedtls_entropy_context entropy; |
| mbedtls_ctr_drbg_context ctr_drbg; |
| mbedtls_ssl_context ssl; |
| mbedtls_ssl_config conf; |
| #if defined(MBEDTLS_TIMING_C) |
| mbedtls_timing_delay_context timer; |
| #endif |
| #if defined(MBEDTLS_SSL_RENEGOTIATION) |
| unsigned char renego_period[8] = { 0 }; |
| #endif |
| #if defined(MBEDTLS_X509_CRT_PARSE_C) |
| uint32_t flags; |
| mbedtls_x509_crt cacert; |
| mbedtls_x509_crt srvcert; |
| mbedtls_pk_context pkey; |
| mbedtls_x509_crt srvcert2; |
| mbedtls_pk_context pkey2; |
| int key_cert_init = 0, key_cert_init2 = 0; |
| #if defined(MBEDTLS_SSL_ASYNC_PRIVATE) |
| ssl_async_key_context_t ssl_async_keys; |
| #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */ |
| #endif /* MBEDTLS_X509_CRT_PARSE_C */ |
| #if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_FS_IO) |
| mbedtls_dhm_context dhm; |
| #endif |
| #if defined(MBEDTLS_SSL_CACHE_C) |
| mbedtls_ssl_cache_context cache; |
| #endif |
| #if defined(MBEDTLS_SSL_SESSION_TICKETS) |
| mbedtls_ssl_ticket_context ticket_ctx; |
| #endif |
| #if defined(SNI_OPTION) |
| sni_entry *sni_info = NULL; |
| #endif |
| #if defined(MBEDTLS_ECP_C) |
| mbedtls_ecp_group_id curve_list[CURVE_LIST_SIZE]; |
| const mbedtls_ecp_curve_info * curve_cur; |
| #endif |
| #if defined(MBEDTLS_SSL_ALPN) |
| const char *alpn_list[ALPN_LIST_SIZE]; |
| #endif |
| #if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C) |
| unsigned char alloc_buf[MEMORY_HEAP_SIZE]; |
| #endif |
| |
| int i; |
| char *p, *q; |
| const int *list; |
| |
| #if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C) |
| mbedtls_memory_buffer_alloc_init( alloc_buf, sizeof(alloc_buf) ); |
| #endif |
| |
| /* |
| * Make sure memory references are valid in case we exit early. |
| */ |
| mbedtls_net_init( &client_fd ); |
| mbedtls_net_init( &listen_fd ); |
| mbedtls_ssl_init( &ssl ); |
| mbedtls_ssl_config_init( &conf ); |
| mbedtls_ctr_drbg_init( &ctr_drbg ); |
| #if defined(MBEDTLS_X509_CRT_PARSE_C) |
| mbedtls_x509_crt_init( &cacert ); |
| mbedtls_x509_crt_init( &srvcert ); |
| mbedtls_pk_init( &pkey ); |
| mbedtls_x509_crt_init( &srvcert2 ); |
| mbedtls_pk_init( &pkey2 ); |
| #if defined(MBEDTLS_SSL_ASYNC_PRIVATE) |
| memset( &ssl_async_keys, 0, sizeof( ssl_async_keys ) ); |
| #endif |
| #endif |
| #if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_FS_IO) |
| mbedtls_dhm_init( &dhm ); |
| #endif |
| #if defined(MBEDTLS_SSL_CACHE_C) |
| mbedtls_ssl_cache_init( &cache ); |
| #endif |
| #if defined(MBEDTLS_SSL_SESSION_TICKETS) |
| mbedtls_ssl_ticket_init( &ticket_ctx ); |
| #endif |
| #if defined(MBEDTLS_SSL_ALPN) |
| memset( (void *) alpn_list, 0, sizeof( alpn_list ) ); |
| #endif |
| #if defined(MBEDTLS_SSL_COOKIE_C) |
| mbedtls_ssl_cookie_init( &cookie_ctx ); |
| #endif |
| |
| #if !defined(_WIN32) |
| /* Abort cleanly on SIGTERM and SIGINT */ |
| signal( SIGTERM, term_handler ); |
| signal( SIGINT, term_handler ); |
| #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_addr = DFL_SERVER_ADDR; |
| opt.server_port = DFL_SERVER_PORT; |
| opt.debug_level = DFL_DEBUG_LEVEL; |
| opt.event = DFL_EVENT; |
| opt.nbio = DFL_NBIO; |
| opt.read_timeout = DFL_READ_TIMEOUT; |
| 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.crt_file2 = DFL_CRT_FILE2; |
| opt.key_file2 = DFL_KEY_FILE2; |
| opt.async_operations = DFL_ASYNC_OPERATIONS; |
| opt.async_private_delay1 = DFL_ASYNC_PRIVATE_DELAY1; |
| opt.async_private_delay2 = DFL_ASYNC_PRIVATE_DELAY2; |
| opt.async_private_error = DFL_ASYNC_PRIVATE_ERROR; |
| opt.psk = DFL_PSK; |
| opt.psk_identity = DFL_PSK_IDENTITY; |
| opt.psk_list = DFL_PSK_LIST; |
| opt.ecjpake_pw = DFL_ECJPAKE_PW; |
| opt.force_ciphersuite[0]= DFL_FORCE_CIPHER; |
| opt.version_suites = DFL_VERSION_SUITES; |
| opt.renegotiation = DFL_RENEGOTIATION; |
| opt.allow_legacy = DFL_ALLOW_LEGACY; |
| opt.renegotiate = DFL_RENEGOTIATE; |
| opt.renego_delay = DFL_RENEGO_DELAY; |
| opt.renego_period = DFL_RENEGO_PERIOD; |
| opt.exchanges = DFL_EXCHANGES; |
| opt.min_version = DFL_MIN_VERSION; |
| opt.max_version = DFL_MAX_VERSION; |
| opt.arc4 = DFL_ARC4; |
| opt.allow_sha1 = DFL_SHA1; |
| opt.auth_mode = DFL_AUTH_MODE; |
| opt.cert_req_ca_list = DFL_CERT_REQ_CA_LIST; |
| opt.mfl_code = DFL_MFL_CODE; |
| opt.trunc_hmac = DFL_TRUNC_HMAC; |
| opt.tickets = DFL_TICKETS; |
| opt.ticket_timeout = DFL_TICKET_TIMEOUT; |
| opt.cache_max = DFL_CACHE_MAX; |
| opt.cache_timeout = DFL_CACHE_TIMEOUT; |
| opt.sni = DFL_SNI; |
| opt.alpn_string = DFL_ALPN_STRING; |
| opt.curves = DFL_CURVES; |
| opt.dhm_file = DFL_DHM_FILE; |
| opt.transport = DFL_TRANSPORT; |
| opt.cookies = DFL_COOKIES; |
| opt.anti_replay = DFL_ANTI_REPLAY; |
| opt.hs_to_min = DFL_HS_TO_MIN; |
| opt.hs_to_max = DFL_HS_TO_MAX; |
| opt.dtls_mtu = DFL_DTLS_MTU; |
| opt.dgram_packing = DFL_DGRAM_PACKING; |
| opt.badmac_limit = DFL_BADMAC_LIMIT; |
| 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_port" ) == 0 ) |
| opt.server_port = q; |
| else if( strcmp( p, "server_addr" ) == 0 ) |
| opt.server_addr = 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, "event" ) == 0 ) |
| { |
| opt.event = atoi( q ); |
| if( opt.event < 0 || opt.event > 2 ) |
| goto usage; |
| } |
| else if( strcmp( p, "read_timeout" ) == 0 ) |
| opt.read_timeout = atoi( q ); |
| 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, "crt_file2" ) == 0 ) |
| opt.crt_file2 = q; |
| else if( strcmp( p, "key_file2" ) == 0 ) |
| opt.key_file2 = q; |
| else if( strcmp( p, "dhm_file" ) == 0 ) |
| opt.dhm_file = q; |
| #if defined(MBEDTLS_SSL_ASYNC_PRIVATE) |
| else if( strcmp( p, "async_operations" ) == 0 ) |
| opt.async_operations = q; |
| else if( strcmp( p, "async_private_delay1" ) == 0 ) |
| opt.async_private_delay1 = atoi( q ); |
| else if( strcmp( p, "async_private_delay2" ) == 0 ) |
| opt.async_private_delay2 = atoi( q ); |
| else if( strcmp( p, "async_private_error" ) == 0 ) |
| { |
| int n = atoi( q ); |
| if( n < -SSL_ASYNC_INJECT_ERROR_MAX || |
| n > SSL_ASYNC_INJECT_ERROR_MAX ) |
| { |
| ret = 2; |
| goto usage; |
| } |
| opt.async_private_error = n; |
| } |
| #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */ |
| else if( strcmp( p, "psk" ) == 0 ) |
| opt.psk = q; |
| else if( strcmp( p, "psk_identity" ) == 0 ) |
| opt.psk_identity = q; |
| else if( strcmp( p, "psk_list" ) == 0 ) |
| opt.psk_list = 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, "curves" ) == 0 ) |
| opt.curves = q; |
| else if( strcmp( p, "version_suites" ) == 0 ) |
| opt.version_suites = q; |
| 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, "renego_delay" ) == 0 ) |
| { |
| opt.renego_delay = atoi( q ); |
| } |
| else if( strcmp( p, "renego_period" ) == 0 ) |
| { |
| #if defined(_MSC_VER) |
| opt.renego_period = _strtoui64( q, NULL, 10 ); |
| #else |
| if( sscanf( q, "%" SCNu64, &opt.renego_period ) != 1 ) |
| goto usage; |
| #endif /* _MSC_VER */ |
| if( opt.renego_period < 2 ) |
| goto usage; |
| } |
| else if( strcmp( p, "exchanges" ) == 0 ) |
| { |
| opt.exchanges = atoi( q ); |
| if( opt.exchanges < 0 ) |
| 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, "allow_sha1" ) == 0 ) |
| { |
| switch( atoi( q ) ) |
| { |
| case 0: opt.allow_sha1 = 0; break; |
| case 1: opt.allow_sha1 = 1; 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( ( opt.auth_mode = get_auth_mode( q ) ) < 0 ) |
| goto usage; |
| } |
| else if( strcmp( p, "cert_req_ca_list" ) == 0 ) |
| { |
| opt.cert_req_ca_list = atoi( q ); |
| if( opt.cert_req_ca_list < 0 || opt.cert_req_ca_list > 1 ) |
| 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, "alpn" ) == 0 ) |
| { |
| opt.alpn_string = q; |
| } |
| 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, "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, "tickets" ) == 0 ) |
| { |
| opt.tickets = atoi( q ); |
| if( opt.tickets < 0 || opt.tickets > 1 ) |
| goto usage; |
| } |
| else if( strcmp( p, "ticket_timeout" ) == 0 ) |
| { |
| opt.ticket_timeout = atoi( q ); |
| if( opt.ticket_timeout < 0 ) |
| goto usage; |
| } |
| else if( strcmp( p, "cache_max" ) == 0 ) |
| { |
| opt.cache_max = atoi( q ); |
| if( opt.cache_max < 0 ) |
| goto usage; |
| } |
| else if( strcmp( p, "cache_timeout" ) == 0 ) |
| { |
| opt.cache_timeout = atoi( q ); |
| if( opt.cache_timeout < 0 ) |
| goto usage; |
| } |
| else if( strcmp( p, "cookies" ) == 0 ) |
| { |
| opt.cookies = atoi( q ); |
| if( opt.cookies < -1 || opt.cookies > 1) |
| goto usage; |
| } |
| else if( strcmp( p, "anti_replay" ) == 0 ) |
| { |
| opt.anti_replay = atoi( q ); |
| if( opt.anti_replay < 0 || opt.anti_replay > 1) |
| goto usage; |
| } |
| else if( strcmp( p, "badmac_limit" ) == 0 ) |
| { |
| opt.badmac_limit = atoi( q ); |
| if( opt.badmac_limit < 0 ) |
| 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, "mtu" ) == 0 ) |
| { |
| opt.dtls_mtu = atoi( q ); |
| if( opt.dtls_mtu < 0 ) |
| goto usage; |
| } |
| else if( strcmp( p, "dgram_packing" ) == 0 ) |
| { |
| opt.dgram_packing = atoi( q ); |
| if( opt.dgram_packing != 0 && |
| opt.dgram_packing != 1 ) |
| { |
| goto usage; |
| } |
| } |
| else if( strcmp( p, "sni" ) == 0 ) |
| { |
| opt.sni = q; |
| } |
| else |
| goto usage; |
| } |
| |
| /* Event-driven IO is incompatible with the above custom |
| * receive and send functions, as the polling builds on |
| * refers to the underlying net_context. */ |
| if( opt.event == 1 && opt.nbio != 1 ) |
| { |
| mbedtls_printf( "Warning: event-driven IO mandates nbio=1 - overwrite\n" ); |
| opt.nbio = 1; |
| } |
| |
| #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 we select 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( opt.version_suites != NULL ) |
| { |
| const char *name[4] = { 0 }; |
| |
| /* Parse 4-element coma-separated list */ |
| for( i = 0, p = (char *) opt.version_suites; |
| i < 4 && *p != '\0'; |
| i++ ) |
| { |
| name[i] = p; |
| |
| /* Terminate the current string and move on to next one */ |
| while( *p != ',' && *p != '\0' ) |
| p++; |
| if( *p == ',' ) |
| *p++ = '\0'; |
| } |
| |
| if( i != 4 ) |
| { |
| mbedtls_printf( "too few values for version_suites\n" ); |
| ret = 1; |
| goto exit; |
| } |
| |
| memset( version_suites, 0, sizeof( version_suites ) ); |
| |
| /* Get the suites identifiers from their name */ |
| for( i = 0; i < 4; i++ ) |
| { |
| version_suites[i][0] = mbedtls_ssl_get_ciphersuite_id( name[i] ); |
| |
| if( version_suites[i][0] == 0 ) |
| { |
| mbedtls_printf( "unknown ciphersuite: '%s'\n", name[i] ); |
| ret = 2; |
| goto usage; |
| } |
| } |
| } |
| |
| #if defined(MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED) |
| /* |
| * Unhexify the pre-shared key and parse the list if any given |
| */ |
| if( unhexify( psk, opt.psk, &psk_len ) != 0 ) |
| { |
| mbedtls_printf( "pre-shared key not valid hex\n" ); |
| goto exit; |
| } |
| |
| if( opt.psk_list != NULL ) |
| { |
| if( ( psk_info = psk_parse( opt.psk_list ) ) == NULL ) |
| { |
| mbedtls_printf( "psk_list invalid" ); |
| goto exit; |
| } |
| } |
| #endif /* MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED */ |
| |
| #if defined(MBEDTLS_ECP_C) |
| if( opt.curves != NULL ) |
| { |
| p = (char *) opt.curves; |
| i = 0; |
| |
| if( strcmp( p, "none" ) == 0 ) |
| { |
| curve_list[0] = MBEDTLS_ECP_DP_NONE; |
| } |
| else if( strcmp( p, "default" ) != 0 ) |
| { |
| /* Leave room for a final NULL in curve list */ |
| while( i < CURVE_LIST_SIZE - 1 && *p != '\0' ) |
| { |
| q = p; |
| |
| /* Terminate the current string */ |
| while( *p != ',' && *p != '\0' ) |
| p++; |
| if( *p == ',' ) |
| *p++ = '\0'; |
| |
| if( ( curve_cur = mbedtls_ecp_curve_info_from_name( q ) ) != NULL ) |
| { |
| curve_list[i++] = curve_cur->grp_id; |
| } |
| else |
| { |
| mbedtls_printf( "unknown curve %s\n", q ); |
| mbedtls_printf( "supported curves: " ); |
| for( curve_cur = mbedtls_ecp_curve_list(); |
| curve_cur->grp_id != MBEDTLS_ECP_DP_NONE; |
| curve_cur++ ) |
| { |
| mbedtls_printf( "%s ", curve_cur->name ); |
| } |
| mbedtls_printf( "\n" ); |
| goto exit; |
| } |
| } |
| |
| mbedtls_printf("Number of curves: %d\n", i ); |
| |
| if( i == CURVE_LIST_SIZE - 1 && *p != '\0' ) |
| { |
| mbedtls_printf( "curves list too long, maximum %d", |
| CURVE_LIST_SIZE - 1 ); |
| goto exit; |
| } |
| |
| curve_list[i] = MBEDTLS_ECP_DP_NONE; |
| } |
| } |
| #endif /* MBEDTLS_ECP_C */ |
| |
| #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 < ALPN_LIST_SIZE - 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 |
| */ |
| mbedtls_printf( " . Loading the server cert. and key..." ); |
| fflush( stdout ); |
| |
| #if defined(MBEDTLS_FS_IO) |
| if( strlen( opt.crt_file ) && strcmp( opt.crt_file, "none" ) != 0 ) |
| { |
| key_cert_init++; |
| if( ( ret = mbedtls_x509_crt_parse_file( &srvcert, opt.crt_file ) ) != 0 ) |
| { |
| mbedtls_printf( " failed\n ! mbedtls_x509_crt_parse_file returned -0x%x\n\n", |
| -ret ); |
| goto exit; |
| } |
| } |
| if( strlen( opt.key_file ) && strcmp( opt.key_file, "none" ) != 0 ) |
| { |
| key_cert_init++; |
| if( ( ret = mbedtls_pk_parse_keyfile( &pkey, opt.key_file, "" ) ) != 0 ) |
| { |
| mbedtls_printf( " failed\n ! mbedtls_pk_parse_keyfile returned -0x%x\n\n", -ret ); |
| goto exit; |
| } |
| } |
| if( key_cert_init == 1 ) |
| { |
| mbedtls_printf( " failed\n ! crt_file without key_file or vice-versa\n\n" ); |
| goto exit; |
| } |
| |
| if( strlen( opt.crt_file2 ) && strcmp( opt.crt_file2, "none" ) != 0 ) |
| { |
| key_cert_init2++; |
| if( ( ret = mbedtls_x509_crt_parse_file( &srvcert2, opt.crt_file2 ) ) != 0 ) |
| { |
| mbedtls_printf( " failed\n ! mbedtls_x509_crt_parse_file(2) returned -0x%x\n\n", |
| -ret ); |
| goto exit; |
| } |
| } |
| if( strlen( opt.key_file2 ) && strcmp( opt.key_file2, "none" ) != 0 ) |
| { |
| key_cert_init2++; |
| if( ( ret = mbedtls_pk_parse_keyfile( &pkey2, opt.key_file2, "" ) ) != 0 ) |
| { |
| mbedtls_printf( " failed\n ! mbedtls_pk_parse_keyfile(2) returned -0x%x\n\n", |
| -ret ); |
| goto exit; |
| } |
| } |
| if( key_cert_init2 == 1 ) |
| { |
| mbedtls_printf( " failed\n ! crt_file2 without key_file2 or vice-versa\n\n" ); |
| goto exit; |
| } |
| #endif |
| if( key_cert_init == 0 && |
| strcmp( opt.crt_file, "none" ) != 0 && |
| strcmp( opt.key_file, "none" ) != 0 && |
| key_cert_init2 == 0 && |
| strcmp( opt.crt_file2, "none" ) != 0 && |
| strcmp( opt.key_file2, "none" ) != 0 ) |
| { |
| #if !defined(MBEDTLS_CERTS_C) |
| mbedtls_printf( "Not certificated or key provided, and \nMBEDTLS_CERTS_C not defined!\n" ); |
| goto exit; |
| #else |
| #if defined(MBEDTLS_RSA_C) |
| if( ( ret = mbedtls_x509_crt_parse( &srvcert, |
| (const unsigned char *) mbedtls_test_srv_crt_rsa, |
| mbedtls_test_srv_crt_rsa_len ) ) != 0 ) |
| { |
| mbedtls_printf( " failed\n ! mbedtls_x509_crt_parse returned -0x%x\n\n", |
| -ret ); |
| goto exit; |
| } |
| if( ( ret = mbedtls_pk_parse_key( &pkey, |
| (const unsigned char *) mbedtls_test_srv_key_rsa, |
| mbedtls_test_srv_key_rsa_len, NULL, 0 ) ) != 0 ) |
| { |
| mbedtls_printf( " failed\n ! mbedtls_pk_parse_key returned -0x%x\n\n", |
| -ret ); |
| goto exit; |
| } |
| key_cert_init = 2; |
| #endif /* MBEDTLS_RSA_C */ |
| #if defined(MBEDTLS_ECDSA_C) |
| if( ( ret = mbedtls_x509_crt_parse( &srvcert2, |
| (const unsigned char *) mbedtls_test_srv_crt_ec, |
| mbedtls_test_srv_crt_ec_len ) ) != 0 ) |
| { |
| mbedtls_printf( " failed\n ! x509_crt_parse2 returned -0x%x\n\n", |
| -ret ); |
| goto exit; |
| } |
| if( ( ret = mbedtls_pk_parse_key( &pkey2, |
| (const unsigned char *) mbedtls_test_srv_key_ec, |
| mbedtls_test_srv_key_ec_len, NULL, 0 ) ) != 0 ) |
| { |
| mbedtls_printf( " failed\n ! pk_parse_key2 returned -0x%x\n\n", |
| -ret ); |
| goto exit; |
| } |
| key_cert_init2 = 2; |
| #endif /* MBEDTLS_ECDSA_C */ |
| #endif /* MBEDTLS_CERTS_C */ |
| } |
| |
| mbedtls_printf( " ok\n" ); |
| #endif /* MBEDTLS_X509_CRT_PARSE_C */ |
| |
| #if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_FS_IO) |
| if( opt.dhm_file != NULL ) |
| { |
| mbedtls_printf( " . Loading DHM parameters..." ); |
| fflush( stdout ); |
| |
| if( ( ret = mbedtls_dhm_parse_dhmfile( &dhm, opt.dhm_file ) ) != 0 ) |
| { |
| mbedtls_printf( " failed\n ! mbedtls_dhm_parse_dhmfile returned -0x%04X\n\n", |
| -ret ); |
| goto exit; |
| } |
| |
| mbedtls_printf( " ok\n" ); |
| } |
| #endif |
| |
| #if defined(SNI_OPTION) |
| if( opt.sni != NULL ) |
| { |
| mbedtls_printf( " . Setting up SNI information..." ); |
| fflush( stdout ); |
| |
| if( ( sni_info = sni_parse( opt.sni ) ) == NULL ) |
| { |
| mbedtls_printf( " failed\n" ); |
| goto exit; |
| } |
| |
| mbedtls_printf( " ok\n" ); |
| } |
| #endif /* SNI_OPTION */ |
| |
| /* |
| * 2. Setup the listening TCP socket |
| */ |
| mbedtls_printf( " . Bind on %s://%s:%s/ ...", |
| opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ? "tcp" : "udp", |
| opt.server_addr ? opt.server_addr : "*", |
| opt.server_port ); |
| fflush( stdout ); |
| |
| if( ( ret = mbedtls_net_bind( &listen_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_bind 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_SERVER, |
| 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) |
| /* The default algorithms profile disables SHA-1, but our tests still |
| rely on it heavily. Hence we allow it here. A real-world server |
| should use the default profile unless there is a good reason not to. */ |
| if( opt.allow_sha1 > 0 ) |
| { |
| crt_profile_for_test.allowed_mds |= MBEDTLS_X509_ID_FLAG( MBEDTLS_MD_SHA1 ); |
| mbedtls_ssl_conf_cert_profile( &conf, &crt_profile_for_test ); |
| mbedtls_ssl_conf_sig_hashes( &conf, ssl_sig_hashes_for_test ); |
| } |
| #endif /* MBEDTLS_X509_CRT_PARSE_C */ |
| |
| if( opt.auth_mode != DFL_AUTH_MODE ) |
| mbedtls_ssl_conf_authmode( &conf, opt.auth_mode ); |
| |
| if( opt.cert_req_ca_list != DFL_CERT_REQ_CA_LIST ) |
| mbedtls_ssl_conf_cert_req_ca_list( &conf, opt.cert_req_ca_list ); |
| |
| #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 ); |
| |
| if( opt.dtls_mtu != DFL_DTLS_MTU ) |
| mbedtls_ssl_conf_mtu( &conf, opt.dtls_mtu ); |
| |
| if( opt.dgram_packing != DFL_DGRAM_PACKING ) |
| mbedtls_ssl_conf_datagram_packing( &ssl, opt.dgram_packing ); |
| #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_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 ); |
| |
| #if defined(MBEDTLS_SSL_CACHE_C) |
| if( opt.cache_max != -1 ) |
| mbedtls_ssl_cache_set_max_entries( &cache, opt.cache_max ); |
| |
| if( opt.cache_timeout != -1 ) |
| mbedtls_ssl_cache_set_timeout( &cache, opt.cache_timeout ); |
| |
| mbedtls_ssl_conf_session_cache( &conf, &cache, |
| mbedtls_ssl_cache_get, |
| mbedtls_ssl_cache_set ); |
| #endif |
| |
| #if defined(MBEDTLS_SSL_SESSION_TICKETS) |
| if( opt.tickets == MBEDTLS_SSL_SESSION_TICKETS_ENABLED ) |
| { |
| if( ( ret = mbedtls_ssl_ticket_setup( &ticket_ctx, |
| mbedtls_ctr_drbg_random, &ctr_drbg, |
| MBEDTLS_CIPHER_AES_256_GCM, |
| opt.ticket_timeout ) ) != 0 ) |
| { |
| mbedtls_printf( " failed\n ! mbedtls_ssl_ticket_setup returned %d\n\n", ret ); |
| goto exit; |
| } |
| |
| mbedtls_ssl_conf_session_tickets_cb( &conf, |
| mbedtls_ssl_ticket_write, |
| mbedtls_ssl_ticket_parse, |
| &ticket_ctx ); |
| } |
| #endif |
| |
| #if defined(MBEDTLS_SSL_PROTO_DTLS) |
| if( opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM ) |
| { |
| #if defined(MBEDTLS_SSL_COOKIE_C) |
| if( opt.cookies > 0 ) |
| { |
| if( ( ret = mbedtls_ssl_cookie_setup( &cookie_ctx, |
| mbedtls_ctr_drbg_random, &ctr_drbg ) ) != 0 ) |
| { |
| mbedtls_printf( " failed\n ! mbedtls_ssl_cookie_setup returned %d\n\n", ret ); |
| goto exit; |
| } |
| |
| mbedtls_ssl_conf_dtls_cookies( &conf, mbedtls_ssl_cookie_write, mbedtls_ssl_cookie_check, |
| &cookie_ctx ); |
| } |
| else |
| #endif /* MBEDTLS_SSL_COOKIE_C */ |
| #if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY) |
| if( opt.cookies == 0 ) |
| { |
| mbedtls_ssl_conf_dtls_cookies( &conf, NULL, NULL, NULL ); |
| } |
| else |
| #endif /* MBEDTLS_SSL_DTLS_HELLO_VERIFY */ |
| { |
| ; /* Nothing to do */ |
| } |
| |
| #if defined(MBEDTLS_SSL_DTLS_ANTI_REPLAY) |
| if( opt.anti_replay != DFL_ANTI_REPLAY ) |
| mbedtls_ssl_conf_dtls_anti_replay( &conf, opt.anti_replay ); |
| #endif |
| |
| #if defined(MBEDTLS_SSL_DTLS_BADMAC_LIMIT) |
| if( opt.badmac_limit != DFL_BADMAC_LIMIT ) |
| mbedtls_ssl_conf_dtls_badmac_limit( &conf, opt.badmac_limit ); |
| #endif |
| } |
| #endif /* MBEDTLS_SSL_PROTO_DTLS */ |
| |
| 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.version_suites != NULL ) |
| { |
| mbedtls_ssl_conf_ciphersuites_for_version( &conf, version_suites[0], |
| MBEDTLS_SSL_MAJOR_VERSION_3, |
| MBEDTLS_SSL_MINOR_VERSION_0 ); |
| mbedtls_ssl_conf_ciphersuites_for_version( &conf, version_suites[1], |
| MBEDTLS_SSL_MAJOR_VERSION_3, |
| MBEDTLS_SSL_MINOR_VERSION_1 ); |
| mbedtls_ssl_conf_ciphersuites_for_version( &conf, version_suites[2], |
| MBEDTLS_SSL_MAJOR_VERSION_3, |
| MBEDTLS_SSL_MINOR_VERSION_2 ); |
| mbedtls_ssl_conf_ciphersuites_for_version( &conf, version_suites[3], |
| MBEDTLS_SSL_MAJOR_VERSION_3, |
| MBEDTLS_SSL_MINOR_VERSION_3 ); |
| } |
| |
| 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 ); |
| |
| if( opt.renego_delay != DFL_RENEGO_DELAY ) |
| mbedtls_ssl_conf_renegotiation_enforced( &conf, opt.renego_delay ); |
| |
| if( opt.renego_period != DFL_RENEGO_PERIOD ) |
| { |
| PUT_UINT64_BE( renego_period, opt.renego_period, 0 ); |
| mbedtls_ssl_conf_renegotiation_period( &conf, renego_period ); |
| } |
| #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( key_cert_init ) |
| { |
| mbedtls_pk_context *pk = &pkey; |
| #if defined(MBEDTLS_SSL_ASYNC_PRIVATE) |
| if( opt.async_private_delay1 >= 0 ) |
| { |
| ret = ssl_async_set_key( &ssl_async_keys, &srvcert, pk, 0, |
| opt.async_private_delay1 ); |
| if( ret < 0 ) |
| { |
| mbedtls_printf( " Test error: ssl_async_set_key failed (%d)\n", |
| ret ); |
| goto exit; |
| } |
| pk = NULL; |
| } |
| #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */ |
| if( ( ret = mbedtls_ssl_conf_own_cert( &conf, &srvcert, pk ) ) != 0 ) |
| { |
| mbedtls_printf( " failed\n ! mbedtls_ssl_conf_own_cert returned %d\n\n", ret ); |
| goto exit; |
| } |
| } |
| if( key_cert_init2 ) |
| { |
| mbedtls_pk_context *pk = &pkey2; |
| #if defined(MBEDTLS_SSL_ASYNC_PRIVATE) |
| if( opt.async_private_delay2 >= 0 ) |
| { |
| ret = ssl_async_set_key( &ssl_async_keys, &srvcert2, pk, 0, |
| opt.async_private_delay2 ); |
| if( ret < 0 ) |
| { |
| mbedtls_printf( " Test error: ssl_async_set_key failed (%d)\n", |
| ret ); |
| goto exit; |
| } |
| pk = NULL; |
| } |
| #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */ |
| if( ( ret = mbedtls_ssl_conf_own_cert( &conf, &srvcert2, pk ) ) != 0 ) |
| { |
| mbedtls_printf( " failed\n ! mbedtls_ssl_conf_own_cert returned %d\n\n", ret ); |
| goto exit; |
| } |
| } |
| |
| #if defined(MBEDTLS_SSL_ASYNC_PRIVATE) |
| if( opt.async_operations[0] != '-' ) |
| { |
| mbedtls_ssl_async_sign_t *sign = NULL; |
| mbedtls_ssl_async_decrypt_t *decrypt = NULL; |
| const char *r; |
| for( r = opt.async_operations; *r; r++ ) |
| { |
| switch( *r ) |
| { |
| case 'd': |
| decrypt = ssl_async_decrypt; |
| break; |
| case 's': |
| sign = ssl_async_sign; |
| break; |
| } |
| } |
| ssl_async_keys.inject_error = ( opt.async_private_error < 0 ? |
| - opt.async_private_error : |
| opt.async_private_error ); |
| ssl_async_keys.f_rng = mbedtls_ctr_drbg_random; |
| ssl_async_keys.p_rng = &ctr_drbg; |
| mbedtls_ssl_conf_async_private_cb( &conf, |
| sign, |
| decrypt, |
| ssl_async_resume, |
| ssl_async_cancel, |
| &ssl_async_keys ); |
| } |
| #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */ |
| #endif /* MBEDTLS_X509_CRT_PARSE_C */ |
| |
| #if defined(SNI_OPTION) |
| if( opt.sni != NULL ) |
| { |
| mbedtls_ssl_conf_sni( &conf, sni_callback, sni_info ); |
| #if defined(MBEDTLS_SSL_ASYNC_PRIVATE) |
| if( opt.async_private_delay2 >= 0 ) |
| { |
| sni_entry *cur; |
| for( cur = sni_info; cur != NULL; cur = cur->next ) |
| { |
| ret = ssl_async_set_key( &ssl_async_keys, |
| cur->cert, cur->key, 1, |
| opt.async_private_delay2 ); |
| if( ret < 0 ) |
| { |
| mbedtls_printf( " Test error: ssl_async_set_key failed (%d)\n", |
| ret ); |
| goto exit; |
| } |
| cur->key = NULL; |
| } |
| } |
| #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */ |
| } |
| #endif |
| |
| #if defined(MBEDTLS_ECP_C) |
| if( opt.curves != NULL && |
| strcmp( opt.curves, "default" ) != 0 ) |
| { |
| mbedtls_ssl_conf_curves( &conf, curve_list ); |
| } |
| #endif |
| |
| #if defined(MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED) |
| if( strlen( opt.psk ) != 0 && strlen( opt.psk_identity ) != 0 ) |
| { |
| ret = mbedtls_ssl_conf_psk( &conf, psk, psk_len, |
| (const unsigned char *) opt.psk_identity, |
| strlen( opt.psk_identity ) ); |
| if( ret != 0 ) |
| { |
| mbedtls_printf( " failed\n mbedtls_ssl_conf_psk returned -0x%04X\n\n", - ret ); |
| goto exit; |
| } |
| } |
| |
| if( opt.psk_list != NULL ) |
| mbedtls_ssl_conf_psk_cb( &conf, psk_callback, psk_info ); |
| #endif |
| |
| #if defined(MBEDTLS_DHM_C) |
| /* |
| * Use different group than default DHM group |
| */ |
| #if defined(MBEDTLS_FS_IO) |
| if( opt.dhm_file != NULL ) |
| ret = mbedtls_ssl_conf_dh_param_ctx( &conf, &dhm ); |
| #endif |
| if( ret != 0 ) |
| { |
| mbedtls_printf( " failed\n mbedtls_ssl_conf_dh_param returned -0x%04X\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_MIN_VERSION ) |
| mbedtls_ssl_conf_max_version( &conf, MBEDTLS_SSL_MAJOR_VERSION_3, opt.max_version ); |
| |
| if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 ) |
| { |
| mbedtls_printf( " failed\n ! mbedtls_ssl_setup returned -0x%x\n\n", -ret ); |
| goto exit; |
| } |
| |
| if( opt.nbio == 2 ) |
| mbedtls_ssl_set_bio( &ssl, &client_fd, my_send, my_recv, NULL ); |
| else |
| mbedtls_ssl_set_bio( &ssl, &client_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" ); |
| |
| reset: |
| #if !defined(_WIN32) |
| if( received_sigterm ) |
| { |
| mbedtls_printf( " interrupted by SIGTERM (not in net_accept())\n" ); |
| if( ret == MBEDTLS_ERR_NET_INVALID_CONTEXT ) |
| ret = 0; |
| |
| goto exit; |
| } |
| #endif |
| |
| if( ret == MBEDTLS_ERR_SSL_CLIENT_RECONNECT ) |
| { |
| mbedtls_printf( " ! Client initiated reconnection from same port\n" ); |
| goto handshake; |
| } |
| |
| #ifdef MBEDTLS_ERROR_C |
| if( ret != 0 ) |
| { |
| char error_buf[100]; |
| mbedtls_strerror( ret, error_buf, 100 ); |
| mbedtls_printf("Last error was: %d - %s\n\n", ret, error_buf ); |
| } |
| #endif |
| |
| mbedtls_net_free( &client_fd ); |
| |
| mbedtls_ssl_session_reset( &ssl ); |
| |
| /* |
| * 3. Wait until a client connects |
| */ |
| mbedtls_printf( " . Waiting for a remote connection ..." ); |
| fflush( stdout ); |
| |
| if( ( ret = mbedtls_net_accept( &listen_fd, &client_fd, |
| client_ip, sizeof( client_ip ), &cliip_len ) ) != 0 ) |
| { |
| #if !defined(_WIN32) |
| if( received_sigterm ) |
| { |
| mbedtls_printf( " interrupted by SIGTERM (in net_accept())\n" ); |
| if( ret == MBEDTLS_ERR_NET_ACCEPT_FAILED ) |
| ret = 0; |
| |
| goto exit; |
| } |
| #endif |
| |
| mbedtls_printf( " failed\n ! mbedtls_net_accept returned -0x%x\n\n", -ret ); |
| goto exit; |
| } |
| |
| if( opt.nbio > 0 ) |
| ret = mbedtls_net_set_nonblock( &client_fd ); |
| else |
| ret = mbedtls_net_set_block( &client_fd ); |
| if( ret != 0 ) |
| { |
| mbedtls_printf( " failed\n ! net_set_(non)block() returned -0x%x\n\n", -ret ); |
| goto exit; |
| } |
| |
| mbedtls_ssl_conf_read_timeout( &conf, opt.read_timeout ); |
| |
| #if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY) |
| if( opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM ) |
| { |
| if( ( ret = mbedtls_ssl_set_client_transport_id( &ssl, |
| client_ip, cliip_len ) ) != 0 ) |
| { |
| mbedtls_printf( " failed\n ! mbedtls_ssl_set_client_transport_id() returned -0x%x\n\n", |
| -ret ); |
| goto exit; |
| } |
| } |
| #endif /* MBEDTLS_SSL_DTLS_HELLO_VERIFY */ |
| |
| #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 |
| |
| mbedtls_printf( " ok\n" ); |
| |
| /* |
| * 4. Handshake |
| */ |
| handshake: |
| mbedtls_printf( " . Performing the SSL/TLS handshake..." ); |
| fflush( stdout ); |
| |
| while( ( ret = mbedtls_ssl_handshake( &ssl ) ) != 0 ) |
| { |
| #if defined(MBEDTLS_SSL_ASYNC_PRIVATE) |
| if( ret == MBEDTLS_ERR_SSL_ASYNC_IN_PROGRESS && |
| ssl_async_keys.inject_error == SSL_ASYNC_INJECT_ERROR_CANCEL ) |
| { |
| mbedtls_printf( " cancelling on injected error\n" ); |
| break; |
| } |
| #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */ |
| |
| if( ! mbedtls_status_is_ssl_in_progress( ret ) ) |
| break; |
| |
| /* For event-driven IO, wait for socket to become available */ |
| if( opt.event == 1 /* level triggered IO */ ) |
| { |
| #if defined(MBEDTLS_TIMING_C) |
| ret = idle( &client_fd, &timer, ret ); |
| #else |
| ret = idle( &client_fd, ret ); |
| #endif |
| if( ret != 0 ) |
| goto reset; |
| } |
| } |
| |
| if( ret == MBEDTLS_ERR_SSL_HELLO_VERIFY_REQUIRED ) |
| { |
| mbedtls_printf( " hello verification requested\n" ); |
| ret = 0; |
| goto reset; |
| } |
| else if( ret != 0 ) |
| { |
| mbedtls_printf( " failed\n ! mbedtls_ssl_handshake returned -0x%x\n\n", -ret ); |
| |
| #if defined(MBEDTLS_X509_CRT_PARSE_C) |
| if( ret == MBEDTLS_ERR_X509_CERT_VERIFY_FAILED ) |
| { |
| char vrfy_buf[512]; |
| flags = mbedtls_ssl_get_verify_result( &ssl ); |
| |
| mbedtls_x509_crt_verify_info( vrfy_buf, sizeof( vrfy_buf ), " ! ", flags ); |
| |
| mbedtls_printf( "%s\n", vrfy_buf ); |
| } |
| #endif |
| |
| #if defined(MBEDTLS_SSL_ASYNC_PRIVATE) |
| if( opt.async_private_error < 0 ) |
| /* Injected error only the first time round, to test reset */ |
| ssl_async_keys.inject_error = SSL_ASYNC_INJECT_ERROR_NONE; |
| #endif |
| goto reset; |
| } |
| else /* ret == 0 */ |
| { |
| 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 defined(MBEDTLS_X509_CRT_PARSE_C) |
| /* |
| * 5. Verify the client 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 ) |
| { |
| char crt_buf[512]; |
| |
| mbedtls_printf( " . Peer certificate information ...\n" ); |
| mbedtls_x509_crt_info( crt_buf, sizeof( crt_buf ), " ", |
| mbedtls_ssl_get_peer_cert( &ssl ) ); |
| mbedtls_printf( "%s\n", crt_buf ); |
| } |
| #endif /* MBEDTLS_X509_CRT_PARSE_C */ |
| |
| if( opt.exchanges == 0 ) |
| goto close_notify; |
| |
| exchanges_left = opt.exchanges; |
| data_exchange: |
| /* |
| * 6. Read the HTTP Request |
| */ |
| mbedtls_printf( " < Read from client:" ); |
| fflush( stdout ); |
| |
| /* |
| * TLS and DTLS need different reading styles (stream vs datagram) |
| */ |
| if( opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ) |
| { |
| do |
| { |
| int terminated = 0; |
| len = sizeof( buf ) - 1; |
| memset( buf, 0, sizeof( buf ) ); |
| ret = mbedtls_ssl_read( &ssl, buf, len ); |
| |
| if( mbedtls_status_is_ssl_in_progress( ret ) ) |
| { |
| if( opt.event == 1 /* level triggered IO */ ) |
| { |
| #if defined(MBEDTLS_TIMING_C) |
| idle( &client_fd, &timer, ret ); |
| #else |
| idle( &client_fd, ret ); |
| #endif |
| } |
| |
| continue; |
| } |
| |
| if( ret <= 0 ) |
| { |
| switch( ret ) |
| { |
| case MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY: |
| mbedtls_printf( " connection was closed gracefully\n" ); |
| goto close_notify; |
| |
| case 0: |
| case MBEDTLS_ERR_NET_CONN_RESET: |
| mbedtls_printf( " connection was reset by peer\n" ); |
| ret = MBEDTLS_ERR_NET_CONN_RESET; |
| goto reset; |
| |
| default: |
| mbedtls_printf( " mbedtls_ssl_read returned -0x%x\n", -ret ); |
| goto reset; |
| } |
| } |
| |
| if( mbedtls_ssl_get_bytes_avail( &ssl ) == 0 ) |
| { |
| len = ret; |
| buf[len] = '\0'; |
| mbedtls_printf( " %d bytes read\n\n%s\n", 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( buf[len - 1] == '\n' ) |
| terminated = 1; |
| } |
| else |
| { |
| int extra_len, ori_len; |
| unsigned char *larger_buf; |
| |
| ori_len = ret; |
| extra_len = (int) mbedtls_ssl_get_bytes_avail( &ssl ); |
| |
| larger_buf = mbedtls_calloc( 1, ori_len + extra_len + 1 ); |
| if( larger_buf == NULL ) |
| { |
| mbedtls_printf( " ! memory allocation failed\n" ); |
| ret = 1; |
| goto reset; |
| } |
| |
| memset( larger_buf, 0, ori_len + extra_len ); |
| memcpy( larger_buf, buf, ori_len ); |
| |
| /* This read should never fail and get the whole cached data */ |
| ret = mbedtls_ssl_read( &ssl, larger_buf + ori_len, extra_len ); |
| if( ret != extra_len || |
| mbedtls_ssl_get_bytes_avail( &ssl ) != 0 ) |
| { |
| mbedtls_printf( " ! mbedtls_ssl_read failed on cached data\n" ); |
| ret = 1; |
| goto reset; |
| } |
| |
| larger_buf[ori_len + extra_len] = '\0'; |
| mbedtls_printf( " %u bytes read (%u + %u)\n\n%s\n", |
| ori_len + extra_len, ori_len, extra_len, |
| (char *) larger_buf ); |
| |
| /* End of message should be detected according to the syntax of the |
| * application protocol (eg HTTP), just use a dummy test here. */ |
| if( larger_buf[ori_len + extra_len - 1] == '\n' ) |
| terminated = 1; |
| |
| mbedtls_free( larger_buf ); |
| } |
| |
| if( terminated ) |
| { |
| ret = 0; |
| break; |
| } |
| } |
| while( 1 ); |
| } |
| else /* Not stream, so datagram */ |
| { |
| len = sizeof( buf ) - 1; |
| memset( buf, 0, sizeof( buf ) ); |
| |
| do |
| { |
| /* Without the call to `mbedtls_ssl_check_pending`, it might |
| * happen that the client sends application data in the same |
| * datagram as the Finished message concluding the handshake. |
| * In this case, the application data would be ready to be |
| * processed while the underlying transport wouldn't signal |
| * any further incoming data. |
| * |
| * See the test 'Event-driven I/O: session-id resume, UDP packing' |
| * in tests/ssl-opt.sh. |
| */ |
| |
| /* For event-driven IO, wait for socket to become available */ |
| if( mbedtls_ssl_check_pending( &ssl ) == 0 && |
| opt.event == 1 /* level triggered IO */ ) |
| { |
| #if defined(MBEDTLS_TIMING_C) |
| idle( &client_fd, &timer, MBEDTLS_ERR_SSL_WANT_READ ); |
| #else |
| idle( &client_fd, MBEDTLS_ERR_SSL_WANT_READ ); |
| #endif |
| } |
| |
| ret = mbedtls_ssl_read( &ssl, buf, len ); |
| |
| /* Note that even if `mbedtls_ssl_check_pending` returns true, |
| * it can happen that the subsequent call to `mbedtls_ssl_read` |
| * returns `MBEDTLS_ERR_SSL_WANT_READ`, because the pending messages |
| * might be discarded (e.g. because they are retransmissions). */ |
| } |
| while( mbedtls_status_is_ssl_in_progress( ret ) ); |
| |
| if( ret <= 0 ) |
| { |
| switch( ret ) |
| { |
| 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 reset; |
| } |
| } |
| |
| len = ret; |
| buf[len] = '\0'; |
| mbedtls_printf( " %d bytes read\n\n%s", len, (char *) buf ); |
| ret = 0; |
| } |
| |
| /* |
| * 7a. Request renegotiation while client is waiting for input from us. |
| * (only on the first exchange, to be able to test retransmission) |
| */ |
| #if defined(MBEDTLS_SSL_RENEGOTIATION) |
| if( opt.renegotiate && exchanges_left == opt.exchanges ) |
| { |
| mbedtls_printf( " . Requestion renegotiation..." ); |
| fflush( stdout ); |
| |
| while( ( ret = mbedtls_ssl_renegotiate( &ssl ) ) != 0 ) |
| { |
| if( ! mbedtls_status_is_ssl_in_progress( ret ) ) |
| { |
| mbedtls_printf( " failed\n ! mbedtls_ssl_renegotiate returned %d\n\n", ret ); |
| goto reset; |
| } |
| |
| /* For event-driven IO, wait for socket to become available */ |
| if( opt.event == 1 /* level triggered IO */ ) |
| { |
| #if defined(MBEDTLS_TIMING_C) |
| idle( &client_fd, &timer, ret ); |
| #else |
| idle( &client_fd, ret ); |
| #endif |
| } |
| } |
| |
| mbedtls_printf( " ok\n" ); |
| } |
| #endif /* MBEDTLS_SSL_RENEGOTIATION */ |
| |
| /* |
| * 7. Write the 200 Response |
| */ |
| mbedtls_printf( " > Write to client:" ); |
| fflush( stdout ); |
| |
| len = sprintf( (char *) buf, HTTP_RESPONSE, |
| mbedtls_ssl_get_ciphersuite( &ssl ) ); |
| |
| 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_NET_CONN_RESET ) |
| { |
| mbedtls_printf( " failed\n ! peer closed the connection\n\n" ); |
| goto reset; |
| } |
| |
| if( ! mbedtls_status_is_ssl_in_progress( ret ) ) |
| { |
| mbedtls_printf( " failed\n ! mbedtls_ssl_write returned %d\n\n", ret ); |
| goto reset; |
| } |
| |
| /* For event-driven IO, wait for socket to become available */ |
| if( opt.event == 1 /* level triggered IO */ ) |
| { |
| #if defined(MBEDTLS_TIMING_C) |
| idle( &client_fd, &timer, ret ); |
| #else |
| idle( &client_fd, ret ); |
| #endif |
| } |
| } |
| } |
| } |
| else /* Not stream, so datagram */ |
| { |
| while( 1 ) |
| { |
| ret = mbedtls_ssl_write( &ssl, buf, len ); |
| |
| if( ! mbedtls_status_is_ssl_in_progress( ret ) ) |
| break; |
| |
| /* For event-driven IO, wait for socket to become available */ |
| if( opt.event == 1 /* level triggered IO */ ) |
| { |
| #if defined(MBEDTLS_TIMING_C) |
| idle( &client_fd, &timer, ret ); |
| #else |
| idle( &client_fd, ret ); |
| #endif |
| } |
| } |
| |
| if( ret < 0 ) |
| { |
| mbedtls_printf( " failed\n ! mbedtls_ssl_write returned %d\n\n", |