mirror of
https://github.com/guanzhi/GmSSL.git
synced 2026-05-06 16:36:16 +08:00
354 lines
9.0 KiB
C
354 lines
9.0 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 int client_ciphers[] = { TLS_cipher_sm4_gcm_sm3 };
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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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" -cacert file Root CA certificate\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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" -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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" -psk_identity str Identity of pre_shared_key\n"
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" -psk hex Pre-shared key in HEX format\n"
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" -early_data file Send early data\n"
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"\n"
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"Examples\n"
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"\n"
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" gmssl sm2keygen -pass 1234 -out rootcakey.pem\n"
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" gmssl certgen -C CN -ST Beijing -L Haidian -O PKU -OU CS -CN ROOTCA -days 3650 \\\n"
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" -key rootcakey.pem -pass 1234 -out rootcacert.pem \\\n"
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" -key_usage keyCertSign -key_usage cRLSign -ca\n"
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"\n"
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" gmssl sm2keygen -pass 1234 -out cakey.pem\n"
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" gmssl reqgen -C CN -ST Beijing -L Haidian -O PKU -OU CS -CN \"Sub CA\" \\\n"
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" -key cakey.pem -pass 1234 -out careq.pem\n"
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" gmssl reqsign -in careq.pem -days 365 -key_usage keyCertSign -cacert rootcacert.pem -key rootcakey.pem -pass 1234 \\\n"
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" -out cacert.pem -ca -path_len_constraint 0\n"
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"\n"
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" gmssl sm2keygen -pass 1234 -out signkey.pem\n"
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" gmssl reqgen -C CN -ST Beijing -L Haidian -O PKU -OU CS -CN localhost -key signkey.pem -pass 1234 -out signreq.pem\n"
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" gmssl reqsign -in signreq.pem -days 365 -key_usage digitalSignature -cacert cacert.pem -key cakey.pem -pass 1234 -out signcert.pem\n"
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"\n"
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" cat signcert.pem > certs.pem\n"
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" cat cacert.pem >> certs.pem\n"
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"\n"
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" sudo gmssl tls13_server -port 4430 -cert certs.pem -key signkey.pem -pass 1234\n"
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" gmssl tls13_client -host 127.0.0.1 -port 4430 -cacert rootcacert.pem\n"
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" -sess_in session.bin -sess_out session.bin\n"
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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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char *host = NULL;
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int port = 443;
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char *cacertfile = NULL;
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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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struct hostent *hp;
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struct sockaddr_in server;
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tls_socket_t sock = -1;
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TLS_CTX ctx;
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TLS_CONNECT conn;
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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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char *sess_in = NULL;
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char *sess_out = NULL;
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char *psk_identity = NULL;
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char *psk = NULL;
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uint8_t psk_buf[32];
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size_t psk_len;
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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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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, "-cacert")) {
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if (--argc < 1) goto bad;
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cacertfile = *(++argv);
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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, "-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_identity")) {
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if (--argc < 1) goto bad;
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psk_identity = *(++argv);
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} else if (!strcmp(*argv, "-psk")) {
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if (--argc < 1) goto bad;
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psk = *(++argv);
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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 {
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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: '-in' option required\n", prog);
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return -1;
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}
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if (tls_socket_lib_init() != 1) {
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error_print();
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return -1;
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}
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if (!(hp = gethostbyname(host))) {
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//herror("tls13_client: '-host' invalid");
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goto end;
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}
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memset(&ctx, 0, sizeof(ctx));
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memset(&conn, 0, sizeof(conn));
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server.sin_addr = *((struct in_addr *)hp->h_addr_list[0]);
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server.sin_family = AF_INET;
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server.sin_port = htons(port);
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if (tls_socket_create(&sock, AF_INET, SOCK_STREAM, 0) != 1) {
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fprintf(stderr, "%s: socket create error\n", prog);
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goto end;
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}
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if (tls_socket_connect(sock, &server) != 1) {
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fprintf(stderr, "%s: socket connect error\n", prog);
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goto end;
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}
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if (tls_ctx_init(&ctx, TLS_protocol_tls13, TLS_client_mode) != 1
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|| tls_ctx_set_cipher_suites(&ctx, client_ciphers, sizeof(client_ciphers)/sizeof(client_ciphers[0])) != 1) {
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fprintf(stderr, "%s: context init error\n", prog);
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goto end;
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}
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if (cacertfile) {
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if (tls_ctx_set_ca_certificates(&ctx, cacertfile, TLS_DEFAULT_VERIFY_DEPTH) != 1) {
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fprintf(stderr, "%s: context init error\n", prog);
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goto end;
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}
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}
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if (certfile) {
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if (tls_ctx_set_certificate_and_key(&ctx, certfile, keyfile, pass) != 1) {
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fprintf(stderr, "%s: context init error\n", prog);
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goto end;
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}
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}
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if (tls_init(&conn, &ctx) != 1) {
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fprintf(stderr, "%s: error\n", prog);
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goto end;
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}
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if (sess_in) {
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if (tls13_add_pre_shared_key_from_file(&conn, sess_in) != 1) {
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error_print();
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return -1;
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}
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tls13_enable_pre_shared_key(&conn, 1);
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tls13_set_psk_key_exchange_modes(&conn, 1, 1);
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}
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if (sess_out) {
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if (tls13_set_session_outfile(&conn, sess_out) != 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 (psk) {
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if (!psk_identity) {
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error_print();
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return -1;
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}
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if (strlen(psk) != sizeof(psk_buf) * 2) {
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error_print();
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return -1;
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}
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if (hex_to_bytes(psk, strlen(psk), psk_buf, &psk_len) != 1) {
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error_print();
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return -1;
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}
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if (tls13_add_pre_shared_key(&conn, DIGEST_sm3(), (uint8_t *)psk_identity, strlen(psk_identity), psk_buf, psk_len, 0) != 1) {
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error_print();
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return -1;
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}
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tls13_enable_pre_shared_key(&conn, 1);
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tls13_set_psk_key_exchange_modes(&conn, 1, 1);
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}
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if (early_data_file) {
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uint8_t early_data[8192];
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size_t early_data_len;
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if (!(early_data_fp = fopen(early_data_file, "rb"))) {
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error_print();
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return -1;
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}
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early_data_len = fread(early_data, 1, sizeof(early_data), early_data_fp);
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if (early_data_len) {
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if (tls13_set_early_data(&conn, early_data, early_data_len) != 1) {
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fclose(early_data_fp);
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error_print();
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return -1;
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}
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}
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fclose(early_data_fp);
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}
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if (tls_set_socket(&conn, sock) != 1
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|| tls_do_handshake(&conn) != 1) {
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fprintf(stderr, "%s: error\n", prog);
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goto end;
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}
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for (;;) {
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fd_set fds;
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size_t sentlen;
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if (!fgets(send_buf, sizeof(send_buf), stdin)) {
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if (feof(stdin)) {
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tls_shutdown(&conn);
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goto end;
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} else {
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continue;
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}
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}
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if (tls13_send(&conn, (uint8_t *)send_buf, strlen(send_buf), &sentlen) != 1) {
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fprintf(stderr, "%s: send error\n", prog);
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goto end;
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}
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FD_ZERO(&fds);
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FD_SET(conn.sock, &fds);
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#ifdef WIN32
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#else
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FD_SET(fileno(stdin), &fds);
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#endif
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if (select((int)(conn.sock + 1), // In WinSock2, select() ignore the this arg
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&fds, NULL, NULL, NULL) < 0) {
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fprintf(stderr, "%s: select failed\n", prog);
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goto end;
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}
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if (FD_ISSET(conn.sock, &fds)) {
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for (;;) {
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memset(buf, 0, sizeof(buf));
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if (tls13_recv(&conn, (uint8_t *)buf, sizeof(buf), &len) != 1) {
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goto end;
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}
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fwrite(buf, 1, len, stdout);
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fflush(stdout);
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// FIXME: change tls13_recv API
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if (conn.datalen == 0) {
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break;
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}
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}
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}
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#ifdef WIN32
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#else
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if (FD_ISSET(fileno(stdin), &fds)) {
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memset(send_buf, 0, sizeof(send_buf));
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if (!fgets(send_buf, sizeof(send_buf), stdin)) {
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if (feof(stdin)) {
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tls_shutdown(&conn);
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goto end;
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} else {
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continue;
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}
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}
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if (tls13_send(&conn, (uint8_t *)send_buf, strlen(send_buf), &sentlen) != 1) {
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fprintf(stderr, "%s: send error\n", prog);
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goto end;
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}
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}
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#endif
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}
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end:
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if (sock != -1) tls_socket_close(sock);
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tls_ctx_cleanup(&ctx);
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tls_cleanup(&conn);
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return 0;
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}
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