mirror of
https://github.com/guanzhi/GmSSL.git
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722 lines
19 KiB
C
722 lines
19 KiB
C
/*
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* Copyright 2014-2026 The GmSSL Project. All Rights Reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the License); you may
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* not use this file except in compliance with the License.
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*/
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#include <stdio.h>
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#include <errno.h>
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#include <string.h>
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#include <stdlib.h>
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#include <gmssl/hex.h>
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#include <gmssl/tls.h>
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#include <gmssl/error.h>
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static const char *http_get =
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"GET / HTTP/1.1\r\n"
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"Hostname: aaa\r\n"
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"\r\n\r\n";
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static const char *options = "-host str [-port num] [-cacert file] [-cert file -key file -pass str]";
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static const char *help =
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"Options\n"
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"\n"
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" -host str Server's hostname\n"
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" -port num Server's port number, default 443\n"
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" -cipher_suite str Supported cipher suites, may appear multiple times, higher priority first\n"
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" -supported_group str Supported elliptic curves, may appear multiple times, higher priority first\n"
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" -sig_alg str Supported signature algorithms\n"
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" -max_key_exchanges num Number of key exchanges in key_share extension\n"
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" -cacert file Root CA certificate\n"
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" -verify_depth num Certificate verification depth\n"
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" -cert file Client's certificate chain in PEM format\n"
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" -key file Client's encrypted private key in PEM format\n"
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" -pass str Password to decrypt private key\n"
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" -server_name Send server_name (SNI) request\n"
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" -signature_algorithms_cert Send signature_algorithms_cert extension\n"
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" -certificate_authorities Send certificate_authorities extension\n"
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" -status_request Send status_request (OCSP Stapling) request\n"
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" -ct Send signed_certificate_timestamp (SCT) request\n"
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" -psk_ke Support PSK-only key exchange\n"
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" -psk_dhe_ke Support PSK with (EC)DHE key exchange\n"
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" -psk_identity str PSK Identity\n"
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" -psk_cipher_suite str PSK cipher suite\n"
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" -psk_key hex PSK key in HEX format, of PSK hash length\n"
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" -sess_in Load server's session ticket file\n"
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" -sess_out Save server's session ticket file\n"
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" -early_data file Send early data, -psk_ke and/or -psk_dhe_ke should be set\n"
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" -key_update_seq_num num Send KeyUpdate handshake after sending/receiving <num> records\n"
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" -post_handshake_auth Support post_handshake_auth\n"
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" -client_cert_optional Allow client send empty Certificate\n"
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" -tls13_change_cipher_spec Support ChangeCipherSpec in TLS 1.3 to be compatible with middlebox\n"
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"\n"
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#include "tls13_help.h"
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"\n";
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int tls13_client_main(int argc, char *argv[])
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{
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int ret = -1;
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char *prog = argv[0];
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TLS_CTX ctx;
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TLS_CONNECT conn;
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struct hostent *hp;
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struct sockaddr_in server;
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tls_socket_t sock = -1;
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char buf[1024] = {0};
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size_t len = sizeof(buf);
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char send_buf[1024] = {0};
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size_t sent_len = 0;
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size_t sent_offset = 0;
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char *host = NULL;
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int port = 443;
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// cipher_suites
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int cipher_suites[4];
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size_t cipher_suites_cnt = 0;
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// CA certificates
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char *cacertfile = NULL;
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int verify_depth = TLS_DEFAULT_VERIFY_DEPTH;
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// CertificateRequest
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char *certfile = NULL;
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char *keyfile = NULL;
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char *pass = NULL;
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int client_cert_optional = 0;
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// supported_groups
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int supported_groups[4];
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size_t supported_groups_cnt = 0;
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// key_share
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char *max_key_exchanges = NULL;
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int max_key_exchanges_cnt;
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// signature_algorithms
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int sig_algs[4];
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size_t sig_algs_cnt = 0;
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// server_name
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int server_name = 0;
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// certificate_authorities
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int certificate_authorities = 0;
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// signature_algorithms_cert
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int signature_algorithms_cert = 0;
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// status_request
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int status_request = 0;
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// signed_certificate_timestamp
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int signed_certificate_timestamp = 0;
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// post_handshake_auth
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int post_handshake_auth = 0;
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// NewSessionTicket
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char *sess_out = NULL;
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// psk_key_exchange_modes
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int psk_ke = 0;
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int psk_dhe_ke = 0;
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// pre_shared_key from NewSessionTicket
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char *sess_in = NULL;
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// pre_shared_key from external
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char *psk_identities[16];
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size_t psk_identities_cnt = 0;
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int psk_cipher_suites[16];
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size_t psk_cipher_suites_cnt = 0;
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char *psk_keys[16];
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size_t psk_keys_cnt = 0;
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// EarlyData
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char *early_data_file = NULL;
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FILE *early_data_fp = NULL;
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int max_early_data_size = 0;
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// KeyUpdate
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int key_update_seq_num = 0;
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// ChangeCipherSpec
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int tls13_change_cipher_spec = 0;
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int send_again = 0;
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argc--;
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argv++;
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if (argc < 1) {
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fprintf(stderr, "usage: %s %s\n", prog, options);
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return 1;
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}
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while (argc >= 1) {
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if (!strcmp(*argv, "-help")) {
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printf("usage: %s %s\n", prog, options);
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printf("%s\n", help);
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return 0;
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} else if (!strcmp(*argv, "-host")) {
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if (--argc < 1) goto bad;
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host = *(++argv);
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} else if (!strcmp(*argv, "-port")) {
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if (--argc < 1) goto bad;
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port = atoi(*(++argv));
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} else if (!strcmp(*argv, "-cipher_suite")) {
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char *cipher_suite_name;
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int cipher_suite;
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if (cipher_suites_cnt >= sizeof(cipher_suites)/sizeof(cipher_suites[0])) {
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fprintf(stderr, "%s: too many -cipher_suite options\n", prog);
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return -1;
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}
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if (--argc < 1) goto bad;
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cipher_suite_name = *(++argv);
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if ((cipher_suite = tls_cipher_suite_from_name(cipher_suite_name)) == 0) {
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fprintf(stderr, "%s: invalid -cipher_suite '%s' value\n", prog, cipher_suite_name);
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return -1;
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}
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cipher_suites[cipher_suites_cnt] = cipher_suite;
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cipher_suites_cnt++;
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} else if (!strcmp(*argv, "-cacert")) {
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if (--argc < 1) goto bad;
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cacertfile = *(++argv);
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} else if (!strcmp(*argv, "-verify_depth")) {
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if (--argc < 1) goto bad;
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verify_depth = atoi(*(++argv));
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if (verify_depth < 1) {
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fprintf(stderr, "%s: invalid -verify_depth value '%d'\n", prog, verify_depth);
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return -1;
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}
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} else if (!strcmp(*argv, "-cert")) {
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if (--argc < 1) goto bad;
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certfile = *(++argv);
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} else if (!strcmp(*argv, "-key")) {
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if (--argc < 1) goto bad;
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keyfile = *(++argv);
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} else if (!strcmp(*argv, "-pass")) {
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if (--argc < 1) goto bad;
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pass = *(++argv);
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} else if (!strcmp(*argv, "-server_name")) {
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server_name = 1;
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} else if (!strcmp(*argv, "-signature_algorithms_cert")) {
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signature_algorithms_cert = 1;
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} else if (!strcmp(*argv, "-certificate_authorities")) {
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certificate_authorities = 1;
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} else if (!strcmp(*argv, "-status_request")) {
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status_request = 1;
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} else if (!strcmp(*argv, "-ct")) {
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signed_certificate_timestamp = 1;
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} else if (!strcmp(*argv, "-post_handshake_auth")) {
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post_handshake_auth = 1;
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} else if (!strcmp(*argv, "-sess_in")) {
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if (--argc < 1) goto bad;
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sess_in = *(++argv);
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} else if (!strcmp(*argv, "-sess_out")) {
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if (--argc < 1) goto bad;
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sess_out = *(++argv);
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} else if (!strcmp(*argv, "-psk_ke")) {
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psk_ke = 1;
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} else if (!strcmp(*argv, "-psk_dhe_ke")) {
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psk_dhe_ke = 1;
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} else if (!strcmp(*argv, "-psk_identity")) {
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if (psk_identities_cnt > sizeof(psk_identities)/sizeof(psk_identities[0])) {
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fprintf(stderr, "%s: too many -psk_identity options\n", prog);
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return -1;
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}
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if (--argc < 1) goto bad;
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psk_identities[psk_identities_cnt++] = *(++argv);
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} else if (!strcmp(*argv, "-psk_cipher_suite")) {
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char *cipher_suite_name;
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int cipher_suite;
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if (psk_cipher_suites_cnt > sizeof(psk_cipher_suites)/sizeof(psk_cipher_suites[0])) {
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fprintf(stderr, "%s: too many -psk_cipher_suite options\n", prog);
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return -1;
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}
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if (--argc < 1) goto bad;
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cipher_suite_name = *(++argv);
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if ((cipher_suite = tls_cipher_suite_from_name(cipher_suite_name)) == 0) {
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fprintf(stderr, "%s: -psk_cipher_suite '%s' not supported\n", prog, cipher_suite_name);
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return -1;
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}
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psk_cipher_suites[psk_cipher_suites_cnt++] = cipher_suite;
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} else if (!strcmp(*argv, "-psk_key")) {
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char *psk_key_hex;
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if (psk_keys_cnt > sizeof(psk_keys)/sizeof(psk_keys[0])) {
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fprintf(stderr, "%s: too many -psk_key options\n", prog);
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return -1;
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}
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if (--argc < 1) goto bad;
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psk_key_hex = *(++argv);
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if (strlen(psk_key_hex) != 64) {
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fprintf(stderr, "%s: invalid -psk_key '%s' length\n", prog, psk_key_hex);
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return -1;
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}
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psk_keys[psk_keys_cnt++] = psk_key_hex;
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} else if (!strcmp(*argv, "-early_data")) {
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if (--argc < 1) goto bad;
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early_data_file = *(++argv);
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} else if (!strcmp(*argv, "-max_early_data_size")) {
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if (--argc < 1) goto bad;
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max_early_data_size = atoi(*(++argv));
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} else if (!strcmp(*argv, "-supported_group")) {
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char *supported_group_name;
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int supported_group;
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if (supported_groups_cnt >= sizeof(supported_groups)/sizeof(supported_groups[0])) {
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fprintf(stderr, "%s: too many -supported_group options\n", prog);
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return -1;
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}
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if (--argc < 1) goto bad;
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supported_group_name = *(++argv);
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if ((supported_group = tls_named_curve_from_name(supported_group_name)) == 0) {
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fprintf(stderr, "%s: -supported_group '%s' not supported\n", prog, supported_group_name);
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return -1;
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}
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supported_groups[supported_groups_cnt++] = supported_group;
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} else if (!strcmp(*argv, "-sig_alg")) {
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char *sig_alg_name;
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int sig_alg;
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if (sig_algs_cnt >= sizeof(sig_algs)/sizeof(sig_algs[0])) {
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fprintf(stderr, "%s: too many -sig_alg options\n", prog);
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return -1;
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}
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if (--argc < 1) goto bad;
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sig_alg_name = *(++argv);
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if ((sig_alg = tls_signature_scheme_from_name(sig_alg_name)) == 0) {
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fprintf(stderr, "%s: -sig_alg '%s' not supported\n", prog, sig_alg_name);
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return -1;
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}
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sig_algs[sig_algs_cnt++] = sig_alg;
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} else if (!strcmp(*argv, "-max_key_exchanges")) {
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if (--argc < 1) goto bad;
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max_key_exchanges = *(++argv);
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max_key_exchanges_cnt = atoi(max_key_exchanges);
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if (max_key_exchanges_cnt < 0) {
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fprintf(stderr, "%s: -max_key_exchanges value '%s' invalid\n", prog, max_key_exchanges);
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return -1;
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}
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} else if (!strcmp(*argv, "-key_update_seq_num")) {
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if (--argc < 1) goto bad;
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key_update_seq_num = atoi(*(++argv));
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if (key_update_seq_num < 0) {
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fprintf(stderr, "%s: invalid -key_update_seq_num value\n", prog);
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return -1;
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}
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} else if (!strcmp(*argv, "-client_cert_optional")) {
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client_cert_optional = 1;
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} else if (!strcmp(*argv, "-tls13_change_cipher_spec")) {
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tls13_change_cipher_spec = 1;
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} else {
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fprintf(stderr, "%s: invalid option '%s'\n", prog, *argv);
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return 1;
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bad:
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fprintf(stderr, "%s: option '%s' argument required\n", prog, *argv);
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return 0;
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}
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argc--;
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argv++;
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}
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if (!host) {
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fprintf(stderr, "%s: '-host' option required\n", prog);
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return -1;
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}
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if (!cipher_suites_cnt) {
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fprintf(stderr, "%s: option '-cipher_suite' required\n", prog);
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return -1;
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}
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// TLS_CTX
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if (tls_ctx_init(&ctx, TLS_protocol_tls13, TLS_client_mode) != 1) {
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error_print();
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return -1;
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}
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// cipher_suites
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if (tls_ctx_set_cipher_suites(&ctx, cipher_suites, cipher_suites_cnt) != 1) {
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error_print();
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goto end;
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}
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// supported_groups
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if (supported_groups_cnt > 0) {
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if (tls_ctx_set_supported_groups(&ctx, supported_groups, supported_groups_cnt) != 1) {
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error_print();
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goto end;
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}
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}
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// signature_algorithms
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if (sig_algs_cnt > 0) {
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if (tls_ctx_set_signature_algorithms(&ctx, sig_algs, sig_algs_cnt) != 1) {
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error_print();
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goto end;
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}
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}
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// key_share
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if (max_key_exchanges) {
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if (tls13_ctx_set_max_key_exchanges(&ctx, max_key_exchanges_cnt) != 1) {
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error_print();
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goto end;
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}
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}
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// CA certificates
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if (cacertfile) {
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if (tls_ctx_set_ca_certificates(&ctx, cacertfile, verify_depth) != 1) {
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fprintf(stderr, "%s: failed to load certificate '%s'\n", prog, cacertfile);
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goto end;
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}
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}
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// CertificateRequest
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if (certfile) {
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if (!keyfile) {
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fprintf(stderr, "%s: option -key is required\n", prog);
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goto end;
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}
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if (!pass) {
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fprintf(stderr, "%s: option -pass is requried\n", prog);
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goto end;
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}
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if (tls_ctx_add_certificate_chain_and_key(&ctx, certfile, keyfile, pass) != 1) {
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fprintf(stderr, "%s: load certificate chain and key failed\n", prog);
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goto end;
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}
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}
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// psk_key_exchange_modes
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if (psk_ke || psk_dhe_ke) {
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// allow ClientHello with psk_key_exchange_modes, but no pre_shared_key
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if (tls13_ctx_set_psk_key_exchange_modes(&ctx, psk_ke, psk_dhe_ke) != 1) {
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error_print();
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goto end;
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}
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}
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// KeyUpdate
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if (key_update_seq_num > 0) {
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if (tls13_ctx_enable_key_update(&ctx, 1) != 1) {
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error_print();
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goto end;
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}
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if (tls13_ctx_set_key_update_seq_num_limit(&ctx, key_update_seq_num) != 1) {
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error_print();
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goto end;
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}
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}
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// CertificateRequest
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if (client_cert_optional) {
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if (tls13_ctx_enable_client_certificate_optional(&ctx, 1) != 1) {
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error_print();
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goto end;
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}
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}
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// ChangeCipherSpec
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if (tls13_change_cipher_spec) {
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if (tls13_ctx_enable_change_cipher_spec(&ctx, 1) != 1) {
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error_print();
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goto end;
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}
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}
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// TLS_CONNECT
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if (tls13_init(&conn, &ctx) != 1) {
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error_print();
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goto end;
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}
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if (signature_algorithms_cert) {
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if (tls_enable_signature_algorithms_cert(&conn, 1) != 1) {
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error_print();
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goto end;
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}
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}
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if (certificate_authorities) {
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if (tls13_enable_certificate_authorities(&conn, 1) != 1) {
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error_print();
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goto end;
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}
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}
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if (server_name) {
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if (tls_set_server_name(&conn, (uint8_t *)host, strlen(host)) != 1) {
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error_print();
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goto end;
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}
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}
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if (status_request) {
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if (tls13_set_client_status_request(&conn, NULL, 0, NULL, 0) != 1) {
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error_print();
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goto end;
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}
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}
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if (signed_certificate_timestamp) {
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if (tls_enable_signed_certificate_timestamp(&conn, 1) != 1) {
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error_print();
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goto end;
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}
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}
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if (post_handshake_auth) {
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}
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// NewSessionTicket
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if (sess_out) {
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if (tls13_set_session_outfile(&conn, sess_out) != 1) {
|
|
error_print();
|
|
goto end;
|
|
}
|
|
}
|
|
|
|
// pre_shared_key from external
|
|
if (psk_keys_cnt) {
|
|
const uint32_t obfuscated_ticket_age = 0;
|
|
size_t i;
|
|
|
|
if (psk_identities_cnt != psk_keys_cnt || psk_cipher_suites_cnt != psk_keys_cnt) {
|
|
error_print();
|
|
goto end;
|
|
}
|
|
for (i = 0; i < psk_keys_cnt; i++) {
|
|
const BLOCK_CIPHER *psk_cipher;
|
|
const DIGEST *psk_digest;
|
|
uint8_t psk_key[64];
|
|
size_t psk_key_len;
|
|
|
|
if (tls13_cipher_suite_get(psk_cipher_suites[i], &psk_cipher, &psk_digest) != 1) {
|
|
error_print();
|
|
goto end;
|
|
}
|
|
if (strlen(psk_keys[i]) != psk_digest->digest_size * 2) {
|
|
error_print();
|
|
goto end;
|
|
}
|
|
if (hex_to_bytes(psk_keys[i], strlen(psk_keys[i]), psk_key, &psk_key_len) != 1) {
|
|
error_print();
|
|
goto end;
|
|
}
|
|
if (tls13_add_pre_shared_key(&conn, (uint8_t *)psk_identities[i], strlen(psk_identities[i]),
|
|
psk_key, psk_key_len, psk_cipher_suites[i], obfuscated_ticket_age) != 1) {
|
|
error_print();
|
|
goto end;
|
|
}
|
|
}
|
|
|
|
tls13_enable_pre_shared_key(&conn, 1);
|
|
|
|
// pre_shared_key from NewSessionTicket
|
|
} else if (sess_in) {
|
|
FILE *sess_infp;
|
|
|
|
if (!psk_dhe_ke && !psk_ke) {
|
|
fprintf(stderr, "%s: option '-psk_dhe_ke' or '-psk_ke' required\n", prog);
|
|
goto end;
|
|
}
|
|
|
|
if (!(sess_infp = fopen(sess_in, "rb"))) {
|
|
fprintf(stderr, "%s: open file '%s' failure\n", prog, sess_in);
|
|
goto end;
|
|
}
|
|
|
|
do {
|
|
if ((ret = tls13_add_pre_shared_key_from_session_file(&conn, sess_infp)) < 0) {
|
|
fclose(sess_infp);
|
|
fprintf(stderr, "%s: load session file '%s' failure\n", prog, sess_in);
|
|
goto end;
|
|
}
|
|
} while (ret);
|
|
|
|
fclose(sess_infp);
|
|
|
|
if (tls13_enable_pre_shared_key(&conn, 1) != 1) {
|
|
error_print();
|
|
goto end;
|
|
}
|
|
}
|
|
|
|
// EarlyData
|
|
if (early_data_file) {
|
|
uint8_t early_data[8192];
|
|
size_t early_data_len;
|
|
|
|
if (!psk_keys_cnt && !sess_in) {
|
|
fprintf(stderr, "%s: -psk_key or -sess_in required by -early_data\n", prog);
|
|
goto end;
|
|
}
|
|
|
|
if (!(early_data_fp = fopen(early_data_file, "rb"))) {
|
|
fprintf(stderr, "%s: open file '%s' failure\n", prog, early_data_file);
|
|
goto end;
|
|
}
|
|
|
|
if (!(early_data_len = fread(early_data, 1, sizeof(early_data), early_data_fp))) {
|
|
if (feof(early_data_fp)) {
|
|
fprintf(stderr, "%s: empty file '%s'\n", prog, early_data_file);
|
|
} else {
|
|
fprintf(stderr, "%s: read file '%s' failure\n", prog, early_data_file);
|
|
fclose(early_data_fp);
|
|
goto end;
|
|
}
|
|
}
|
|
fclose(early_data_fp);
|
|
|
|
if (early_data_len) {
|
|
if (tls13_set_early_data(&conn, early_data, early_data_len) != 1) {
|
|
error_print();
|
|
goto end;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
// socket
|
|
|
|
if (tls_socket_lib_init() != 1) {
|
|
error_print();
|
|
goto end;
|
|
}
|
|
|
|
if (!(hp = gethostbyname(host))) {
|
|
fprintf(stderr, "%s: parse -host value error: %s\n", prog, hstrerror(h_errno));
|
|
goto end;
|
|
}
|
|
server.sin_addr = *((struct in_addr *)hp->h_addr_list[0]);
|
|
server.sin_family = AF_INET;
|
|
server.sin_port = htons(port);
|
|
|
|
if (tls_socket_create(&sock, AF_INET, SOCK_STREAM, 0) != 1) {
|
|
fprintf(stderr, "%s: socket create error\n", prog);
|
|
goto end;
|
|
}
|
|
if (tls_socket_connect(sock, &server) != 1) {
|
|
fprintf(stderr, "%s: socket connect error\n", prog);
|
|
goto end;
|
|
}
|
|
|
|
if (tls_set_socket(&conn, sock) != 1) {
|
|
error_print();
|
|
goto end;
|
|
}
|
|
|
|
if (tls_do_handshake(&conn) != 1) {
|
|
fprintf(stderr, "%s: error\n", prog);
|
|
goto end;
|
|
}
|
|
|
|
fprintf(stderr, "connected\n");
|
|
fprintf(stderr, "\n");
|
|
|
|
for (;;) {
|
|
|
|
fd_set fds_send;
|
|
fd_set fds_recv;
|
|
|
|
size_t sentlen;
|
|
|
|
FD_ZERO(&fds_send);
|
|
FD_ZERO(&fds_recv);
|
|
|
|
|
|
// listen socket
|
|
FD_SET(conn.sock, &fds_recv);
|
|
|
|
// listen stdin
|
|
FD_SET(fileno(stdin), &fds_recv);
|
|
|
|
|
|
if (sent_len > 0) {
|
|
FD_SET(conn.sock, &fds_send);
|
|
}
|
|
|
|
// 等待阻塞
|
|
if (select((int)(conn.sock + 1), // In WinSock2, select() ignore the this arg
|
|
&fds_recv, &fds_send, NULL, NULL) < 0) {
|
|
fprintf(stderr, "%s: select failed\n", prog);
|
|
goto end;
|
|
}
|
|
|
|
// 读socket
|
|
if (FD_ISSET(conn.sock, &fds_recv)) {
|
|
|
|
memset(buf, 0, sizeof(buf));
|
|
if ((ret = tls13_recv(&conn, (uint8_t *)buf, sizeof(buf), &len)) != 1) {
|
|
if (ret == TLS_ERROR_SEND_AGAIN || ret == TLS_ERROR_RECV_AGAIN) {
|
|
continue;
|
|
} else {
|
|
error_print();
|
|
goto end;
|
|
}
|
|
}
|
|
fwrite(buf, 1, len, stdout);
|
|
fflush(stdout);
|
|
|
|
|
|
}
|
|
|
|
if (FD_ISSET(fileno(stdin), &fds_recv)) {
|
|
|
|
memset(send_buf, 0, sizeof(send_buf));
|
|
|
|
if (!fgets(send_buf, sizeof(send_buf), stdin)) {
|
|
if (feof(stdin)) {
|
|
error_print();
|
|
fprintf(stderr, "client shutdown\n");
|
|
tls_shutdown(&conn);
|
|
goto end;
|
|
} else {
|
|
continue;
|
|
}
|
|
}
|
|
sent_len = strlen(send_buf) + 1;
|
|
sent_offset = 0;
|
|
|
|
}
|
|
|
|
if (sent_len > 0 && FD_ISSET(conn.sock, &fds_send)) {
|
|
|
|
// tls13_send 会返回一个 -1 , 但是没有打印错误信息！！！！
|
|
if ((ret = tls13_send(&conn, (uint8_t *)send_buf + sent_offset, sent_len, &sentlen)) != 1) {
|
|
if (ret == TLS_ERROR_SEND_AGAIN || ret == TLS_ERROR_RECV_AGAIN) {
|
|
continue;
|
|
} else {
|
|
fprintf(stderr, "ret = %d\n", ret);
|
|
fprintf(stderr, "%s: send error\n", prog);
|
|
goto end;
|
|
}
|
|
}
|
|
|
|
sent_offset += sentlen;
|
|
sent_len -= sentlen;
|
|
}
|
|
|
|
fprintf(stderr, "\n");
|
|
|
|
}
|
|
|
|
end:
|
|
if (sock != -1) tls_socket_close(sock);
|
|
tls_ctx_cleanup(&ctx);
|
|
tls_cleanup(&conn);
|
|
return 0;
|
|
}
|