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mbedtls/programs/ssl/ssl_server2.c

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/*
* 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
#define mbedtls_exit exit
#define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
#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_RESPONSE_SIZE -1
#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_CID_ENABLED 0
#define DFL_CID_VALUE ""
#define DFL_CID_ENABLED_RENEGO -1
#define DFL_CID_VALUE_RENEGO NULL
#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 DFL_SERIALIZE 0
#define DFL_EXTENDED_MS_ENFORCE -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 DFL_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" \
" use \"none\" to skip loading any top-level CAs.\n" \
" ca_path=%%s The path containing the top-level CA(s) you fully trust\n" \
" default: \"\" (pre-loaded) (overrides ca_file)\n" \
" use \"none\" to skip loading any top-level CAs.\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_SSL_DTLS_CONNECTION_ID)
#define USAGE_CID \
" cid=%%d Disable (0) or enable (1) the use of the DTLS Connection ID extension.\n" \
" default: 0 (disabled)\n" \
" cid_renego=%%d Disable (0) or enable (1) the use of the DTLS Connection ID extension during renegotiation.\n" \
" default: same as 'cid' parameter\n" \
" cid_val=%%s The CID to use for incoming messages (in hex, without 0x).\n" \
" default: \"\"\n" \
" cid_val_renego=%%s The CID to use for incoming messages (in hex, without 0x) after renegotiation.\n" \
" default: same as 'cid_val' parameter\n"
#else /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
#define USAGE_CID ""
#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
#if defined(MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED)
#define USAGE_PSK \
" psk=%%s default: \"\" (in hex, without 0x)\n" \
" psk_list=%%s default: \"\"\n" \
" A list of (PSK identity, PSK value) pairs.\n" \
" The PSK values are in hex, without 0x.\n" \
" id1,psk1[,id2,psk2[,...]]\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)
#if defined(MBEDTLS_X509_CRL_PARSE_C)
#define SNI_CRL ",crl"
#else
#define SNI_CRL ""
#endif
#define USAGE_SNI \
" sni=%%s name1,cert1,key1,ca1"SNI_CRL",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) (if both enabled)\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) && \
!defined(MBEDTLS_SSL_CONF_EXTENDED_MASTER_SECRET) && \
!defined(MBEDTLS_SSL_CONF_ENFORCE_EXTENDED_MASTER_SECRET)
#define USAGE_EMS \
" extended_ms=0/1 default: (library default: on)\n" \
" enforce_extended_master_secret=0/1 default: (library default: off)\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
#if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION)
#define USAGE_SERIALIZATION \
" serialize=%%d default: 0 (do not serialize/deserialize)\n" \
" options: 1 (serialize)\n" \
" 2 (serialize with re-initialization)\n"
#else
#define USAGE_SERIALIZATION ""
#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" \
" buffer_size=%%d default: 200 \n" \
" (minimum: 1, max: 16385)\n" \
" response_size=%%d default: about 152 (basic response)\n" \
" (minimum: 0, max: 16384)\n" \
" increases buffer_size if bigger\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" \
" query_config=<name> return 0 if the specified\n" \
" configuration macro is defined and 1\n" \
" otherwise. The expansion of the macro\n" \
" is printed if it is defined\n" \
USAGE_SERIALIZATION \
" 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 */
int response_size; /* pad response with header to requested size */
uint16_t buffer_size; /* IO buffer 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 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 enforce_extended_master_secret; /* Enforce the usage of extended
* master secret */
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 */
int cid_enabled; /* whether to use the CID extension or not */
int cid_enabled_renego; /* whether to use the CID extension or not
* during renegotiation */
const char *cid_val; /* the CID to use for incoming messages */
int serialize; /* serialize/deserialize connection */
const char *cid_val_renego; /* the CID to use for incoming messages
* after renegotiation */
} opt;
int query_config( const char *config );
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 ) \
do \
{ \
(dst) = p; \
while( *p != ',' ) \
if( ++p > end ) \
goto error; \
*p++ = '\0'; \
} while( 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 );
#if defined(MBEDTLS_X509_CRL_PARSE_C)
mbedtls_x509_crl_free( cur->crl );
mbedtls_free( cur->crl );
#endif
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, *auth_str;
#if defined(MBEDTLS_X509_CRL_PARSE_C)
char *crl_file;
#endif
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 );
#if defined(MBEDTLS_X509_CRL_PARSE_C)
GET_ITEM( crl_file );
#endif
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 defined(MBEDTLS_X509_CRL_PARSE_C)
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;
}
#endif
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) || \
defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
#define HEX2NUM( c ) \
do \
{ \
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 ); \
} while( 0 )
/*
* 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 );
}
#endif
#if defined(MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED)
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 );
}
#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
int report_cid_usage( mbedtls_ssl_context *ssl,
const char *additional_description )
{
int ret;
unsigned char peer_cid[ MBEDTLS_SSL_CID_OUT_LEN_MAX ];
size_t peer_cid_len;
int cid_negotiated;
if( opt.transport != MBEDTLS_SSL_TRANSPORT_DATAGRAM )
return( 0 );
/* Check if the use of a CID has been negotiated */
ret = mbedtls_ssl_get_peer_cid( ssl, &cid_negotiated,
peer_cid, &peer_cid_len );
if( ret != 0 )
{
mbedtls_printf( " failed\n ! mbedtls_ssl_get_peer_cid returned -0x%x\n\n",
-ret );
return( ret );
}
if( cid_negotiated == MBEDTLS_SSL_CID_DISABLED )
{
if( opt.cid_enabled == MBEDTLS_SSL_CID_ENABLED )
{
mbedtls_printf( "(%s) Use of Connection ID was not offered by client.\n",
additional_description );
}
}
else
{
size_t idx=0;
mbedtls_printf( "(%s) Use of Connection ID has been negotiated.\n",
additional_description );
mbedtls_printf( "(%s) Peer CID (length %u Bytes): ",
additional_description,
(unsigned) peer_cid_len );
while( idx < peer_cid_len )
{
mbedtls_printf( "%02x ", peer_cid[ idx ] );
idx++;
}
mbedtls_printf( "\n" );
}
return( 0 );
}
#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
int main( int argc, char *argv[] )
{
int ret = 0, len, written, frags, exchanges_left;
int version_suites[4][2];
unsigned char* buf = 0;
#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
#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
unsigned char cid[MBEDTLS_SSL_CID_IN_LEN_MAX];
unsigned char cid_renego[MBEDTLS_SSL_CID_IN_LEN_MAX];
size_t cid_len = 0;
size_t cid_renego_len = 0;
#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.buffer_size = DFL_IO_BUF_LEN;
opt.server_addr = DFL_SERVER_ADDR;
opt.server_port = DFL_SERVER_PORT;
opt.debug_level = DFL_DEBUG_LEVEL;
opt.event = DFL_EVENT;
opt.response_size = DFL_RESPONSE_SIZE;
opt.nbio = DFL_NBIO;
opt.cid_enabled = DFL_CID_ENABLED;
opt.cid_enabled_renego = DFL_CID_ENABLED_RENEGO;
opt.cid_val = DFL_CID_VALUE;
opt.cid_val_renego = DFL_CID_VALUE_RENEGO;
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.enforce_extended_master_secret = DFL_EXTENDED_MS_ENFORCE;
opt.etm = DFL_ETM;
opt.serialize = DFL_SERIALIZE;
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, "buffer_size" ) == 0 )
{
opt.buffer_size = atoi( q );
if( opt.buffer_size < 1 || opt.buffer_size > MBEDTLS_SSL_MAX_CONTENT_LEN + 1 )
goto usage;
}
else if( strcmp( p, "response_size" ) == 0 )
{
opt.response_size = atoi( q );
if( opt.response_size < 0 || opt.response_size > MBEDTLS_SSL_MAX_CONTENT_LEN )
goto usage;
if( opt.buffer_size < opt.response_size )
opt.buffer_size = opt.response_size;
}
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 */
#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
else if( strcmp( p, "cid" ) == 0 )
{
opt.cid_enabled = atoi( q );
if( opt.cid_enabled != 0 && opt.cid_enabled != 1 )
goto usage;
}
else if( strcmp( p, "cid_renego" ) == 0 )
{
opt.cid_enabled_renego = atoi( q );
if( opt.cid_enabled_renego != 0 && opt.cid_enabled_renego != 1 )
goto usage;
}
else if( strcmp( p, "cid_val" ) == 0 )
{
opt.cid_val = q;
}
else if( strcmp( p, "cid_val_renego" ) == 0 )
{
opt.cid_val_renego = q;
}
#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
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, "enforce_extended_master_secret" ) == 0 )
{
switch( atoi( q ) )
{
case 0:
opt.enforce_extended_master_secret =
MBEDTLS_SSL_EXTENDED_MS_ENFORCE_DISABLED;
break;
case 1:
opt.enforce_extended_master_secret =
MBEDTLS_SSL_EXTENDED_MS_ENFORCE_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 if( strcmp( p, "query_config" ) == 0 )
{
return query_config( q );
}
else if( strcmp( p, "serialize") == 0 )
{
opt.serialize = atoi( q );
if( opt.serialize < 0 || opt.serialize > 2)
goto usage;
}
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
buf = mbedtls_calloc( 1, opt.buffer_size + 1 );
if( buf == NULL )
{
mbedtls_printf( "Could not allocate %u bytes\n", opt.buffer_size );
ret = 3;
goto exit;
}
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_SSL_DTLS_CONNECTION_ID)
if( unhexify( cid, opt.cid_val, &cid_len ) != 0 )
{
mbedtls_printf( "CID not valid hex\n" );
goto exit;
}
/* Keep CID settings for renegotiation unless
* specified otherwise. */
if( opt.cid_enabled_renego == DFL_CID_ENABLED_RENEGO )
opt.cid_enabled_renego = opt.cid_enabled;
if( opt.cid_val_renego == DFL_CID_VALUE_RENEGO )
opt.cid_val_renego = opt.cid_val;
if( unhexify( cid_renego, opt.cid_val_renego, &cid_renego_len ) != 0 )
{
mbedtls_printf( "CID not valid hex\n" );
goto exit;
}
#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
#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( strcmp( opt.ca_path, "none" ) == 0 ||
strcmp( opt.ca_file, "none" ) == 0 )
{
ret = 0;
}
else
#if defined(MBEDTLS_FS_IO)
if( strlen( opt.ca_path ) )
ret = mbedtls_x509_crt_parse_path( &cacert, opt.ca_path );
else if( strlen( opt.ca_file ) )
ret = mbedtls_x509_crt_parse_file( &cacert, opt.ca_file );
else
#endif
#if defined(MBEDTLS_CERTS_C)
{
#if defined(MBEDTLS_PEM_PARSE_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;
}
if( ret == 0 )
#endif /* MBEDTLS_PEM_PARSE_C */
for( i = 0; mbedtls_test_cas_der[i] != NULL; i++ )
{
ret = mbedtls_x509_crt_parse_der( &cacert,
(const unsigned char *) mbedtls_test_cas_der[i],
mbedtls_test_cas_der_len[i] );
if( ret != 0 )
break;
}
}
#else
{
ret = 1;
mbedtls_printf( "MBEDTLS_CERTS_C not defined." );
}
#endif /* MBEDTLS_CERTS_C */
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.dgram_packing != DFL_DGRAM_PACKING )
mbedtls_ssl_set_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_DTLS_CONNECTION_ID)
if( opt.cid_enabled == 1 || opt.cid_enabled_renego == 1 )
{
if( opt.cid_enabled == 1 &&
opt.cid_enabled_renego == 1 &&
cid_len != cid_renego_len )
{
mbedtls_printf( "CID length must not change during renegotiation\n" );
goto usage;
}
if( opt.cid_enabled == 1 )
ret = mbedtls_ssl_conf_cid( &conf, cid_len,
MBEDTLS_SSL_UNEXPECTED_CID_IGNORE );
else
ret = mbedtls_ssl_conf_cid( &conf, cid_renego_len,
MBEDTLS_SSL_UNEXPECTED_CID_IGNORE );
if( ret != 0 )
{
mbedtls_printf( " failed\n ! mbedtls_ssl_conf_cid_len returned -%#04x\n\n",
-ret );
goto exit;
}
}
#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
#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) && \
!defined(MBEDTLS_SSL_CONF_EXTENDED_MASTER_SECRET) && \
!defined(MBEDTLS_SSL_CONF_ENFORCE_EXTENDED_MASTER_SECRET)
if( opt.extended_ms != DFL_EXTENDED_MS )
mbedtls_ssl_conf_extended_master_secret( &conf, opt.extended_ms );
if( opt.enforce_extended_master_secret != DFL_EXTENDED_MS_ENFORCE )
mbedtls_ssl_conf_extended_master_secret_enforce( &conf,
opt.enforce_extended_master_secret );
#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_SSL_DTLS_CONNECTION_ID)
if( opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
{
if( ( ret = mbedtls_ssl_set_cid( &ssl, opt.cid_enabled,
cid, cid_len ) ) != 0 )
{
mbedtls_printf( " failed\n ! mbedtls_ssl_set_cid returned %d\n\n",
ret );
goto exit;
}
}
#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
#if defined(MBEDTLS_SSL_PROTO_DTLS)
if( opt.dtls_mtu != DFL_DTLS_MTU )
mbedtls_ssl_set_mtu( &ssl, opt.dtls_mtu );
#endif
#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) && !defined(MBEDTLS_X509_REMOVE_INFO)
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 )
{
#if !defined(MBEDTLS_X509_REMOVE_INFO)
char vrfy_buf[512];
#endif
mbedtls_printf( " failed\n" );
#if !defined(MBEDTLS_X509_REMOVE_INFO)
mbedtls_x509_crt_verify_info( vrfy_buf, sizeof( vrfy_buf ), " ! ", flags );
mbedtls_printf( "%s\n", vrfy_buf );
#endif
}
else
mbedtls_printf( " ok\n" );
#if !defined(MBEDTLS_X509_REMOVE_INFO)
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_REMOVE_INFO */
#endif /* MBEDTLS_X509_CRT_PARSE_C */
#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
ret = report_cid_usage( &ssl, "initial handshake" );
if( ret != 0 )
goto exit;
if( opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
{
if( ( ret = mbedtls_ssl_set_cid( &ssl, opt.cid_enabled_renego,
cid_renego, cid_renego_len ) ) != 0 )
{
mbedtls_printf( " failed\n ! mbedtls_ssl_set_cid returned %d\n\n",
ret );
goto exit;
}
}
#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
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 = opt.buffer_size - 1;
memset( buf, 0, opt.buffer_size );
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 = opt.buffer_size - 1;
memset( buf, 0, opt.buffer_size );
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 */
#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
ret = report_cid_usage( &ssl, "after renegotiation" );
if( ret != 0 )
goto exit;
#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
/*
* 7. Write the 200 Response
*/
mbedtls_printf( " > Write to client:" );
fflush( stdout );
len = sprintf( (char *) buf, HTTP_RESPONSE,
mbedtls_ssl_get_ciphersuite( &ssl ) );
/* Add padding to the response to reach opt.response_size in length */
if( opt.response_size != DFL_RESPONSE_SIZE &&
len < opt.response_size )
{
memset( buf + len, 'B', opt.response_size - len );
len += opt.response_size - len;
}
/* Truncate if response size is smaller than the "natural" size */
if( opt.response_size != DFL_RESPONSE_SIZE &&
len > opt.response_size )
{
len = opt.response_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_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", ret );
goto reset;
}
frags = 1;
written = ret;
}
buf[written] = '\0';
mbedtls_printf( " %d bytes written in %d fragments\n\n%s\n", written, frags, (char *) buf );
ret = 0;
/*
* 7b. Simulate serialize/deserialize and go back to data exchange
*/
#if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION)
if( opt.serialize != 0 )
{
size_t buf_len;
unsigned char *context_buf = NULL;
opt.serialize = 0;
mbedtls_printf( " Serializing live connection..." );
ret = mbedtls_ssl_context_save( &ssl, NULL, 0, &buf_len );
/* Allow stub implementation returning 0 for now */
if( ret != MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL &&
ret != 0 )
{
mbedtls_printf( " failed\n ! mbedtls_ssl_context_save returned "
"-0x%x\n\n", -ret );
goto exit;
}
if( ( context_buf = mbedtls_calloc( 1, buf_len ) ) == NULL )
{
mbedtls_printf( " failed\n ! Couldn't allocate buffer for "
"serialized context" );
goto exit;
}
if( ( ret = mbedtls_ssl_context_save( &ssl, context_buf,
buf_len, &buf_len ) ) != 0 )
{
mbedtls_printf( "failed\n ! mbedtls_ssl_context_save returned "
"-0x%x\n\n", -ret );
goto exit;
}
if( opt.serialize == 2 )
{
mbedtls_ssl_free( &ssl );
mbedtls_ssl_init( &ssl );
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)
if( opt.nbio != 0 && opt.read_timeout != 0 )
mbedtls_ssl_set_timer_cb( &ssl, &timer,
mbedtls_timing_set_delay,
mbedtls_timing_get_delay );
#endif /* MBEDTLS_TIMING_C */
}
mbedtls_printf( " Deserializing connection..." );
if( ( ret = mbedtls_ssl_context_load( &ssl, context_buf,
buf_len ) ) != 0 )
{
mbedtls_printf( "failed\n ! mbedtls_ssl_context_load returned "
"-0x%x\n\n", -ret );
goto exit;
}
}
#endif /* MBEDTLS_SSL_CONTEXT_SERIALIZATION */
/*
* 7c. Continue doing data exchanges?
*/
if( --exchanges_left > 0 )
goto data_exchange;
/*
* 8. Done, cleanly close the connection
*/
close_notify:
mbedtls_printf( " . Closing the connection..." );
/* 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" );
goto reset;
/*
* 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_printf( " . Cleaning up..." );
fflush( stdout );
mbedtls_net_free( &client_fd );
mbedtls_net_free( &listen_fd );
#if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_FS_IO)
mbedtls_dhm_free( &dhm );
#endif
#if defined(MBEDTLS_X509_CRT_PARSE_C)
mbedtls_x509_crt_free( &cacert );
mbedtls_x509_crt_free( &srvcert );
mbedtls_pk_free( &pkey );
mbedtls_x509_crt_free( &srvcert2 );
mbedtls_pk_free( &pkey2 );
#endif
#if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
for( i = 0; (size_t) i < ssl_async_keys.slots_used; i++ )
{
if( ssl_async_keys.slots[i].pk_owned )
{
mbedtls_pk_free( ssl_async_keys.slots[i].pk );
mbedtls_free( ssl_async_keys.slots[i].pk );
ssl_async_keys.slots[i].pk = NULL;
}
}
#endif
#if defined(SNI_OPTION)
sni_free( sni_info );
#endif
#if defined(MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED)
psk_free( psk_info );
#endif
#if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_FS_IO)
mbedtls_dhm_free( &dhm );
#endif
mbedtls_ssl_free( &ssl );
mbedtls_ssl_config_free( &conf );
mbedtls_ctr_drbg_free( &ctr_drbg );
mbedtls_entropy_free( &entropy );
#if defined(MBEDTLS_SSL_CACHE_C)
mbedtls_ssl_cache_free( &cache );
#endif
#if defined(MBEDTLS_SSL_SESSION_TICKETS)
mbedtls_ssl_ticket_free( &ticket_ctx );
#endif
#if defined(MBEDTLS_SSL_COOKIE_C)
mbedtls_ssl_cookie_free( &cookie_ctx );
#endif
mbedtls_free( buf );
#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
#if defined(MBEDTLS_MEMORY_DEBUG)
mbedtls_memory_buffer_alloc_status();
#endif
mbedtls_memory_buffer_alloc_free();
#endif
mbedtls_printf( " done.\n" );
#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_SRV_C && MBEDTLS_NET_C && MBEDTLS_RSA_C &&
MBEDTLS_CTR_DRBG_C */
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