mirror of
https://github.com/guanzhi/GmSSL.git
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253 lines
6.7 KiB
C
253 lines
6.7 KiB
C
/*
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* Copyright 2014-2022 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/mem.h>
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#include <gmssl/sm2.h>
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#include <gmssl/tls.h>
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#include <gmssl/error.h>
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static const char *options = "[-port num] -cert file -key file -pass str -ex_key file -ex_pass str [-cacert file]";
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static const char *help =
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"Options\n"
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"\n"
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" -port num Listening port number, default 443\n"
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" -cert file Server's certificate chain in PEM format, may appear multiple times\n"
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" -key file Server's signing private key in PEM format, may appear multiple times\n"
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" -pass str Password to decrypt signing private key, may appear multiple times\n"
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" -ex_key file Server's encryption private key in PEM format, may appear multiple times\n"
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" -ex_pass str Password to decrypt encryption private key, may appear multiple times\n"
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" -cacert file CA certificate for client certificate verification\n"
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"\n"
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#include "tlcp_help.h"
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"\n";
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int tlcp_server_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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int port = 443;
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char *certfiles[4];
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size_t certfiles_cnt = 0;
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char *signkeyfiles[sizeof(certfiles)/sizeof(certfiles[0])];
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size_t signkeyfiles_cnt = 0;
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char *signpasses[sizeof(certfiles)/sizeof(certfiles[0])];
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size_t signpasses_cnt = 0;
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char *enckeyfiles[sizeof(certfiles)/sizeof(certfiles[0])];
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size_t enckeyfiles_cnt = 0;
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char *encpasses[sizeof(certfiles)/sizeof(certfiles[0])];
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size_t encpasses_cnt = 0;
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char *cacertfile = NULL;
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int server_ciphers[] = { TLS_cipher_ecc_sm4_cbc_sm3, };
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TLS_CTX ctx;
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TLS_CONNECT conn;
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char buf[1600] = {0};
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size_t len = sizeof(buf);
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tls_socket_t sock;
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tls_socket_t conn_sock;
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struct sockaddr_in server_addr;
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struct sockaddr_in client_addr;
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tls_socklen_t client_addrlen;
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size_t i;
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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 > 0) {
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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, "-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, "-cert")) {
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if (certfiles_cnt >= sizeof(certfiles)/sizeof(certfiles[0])) {
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fprintf(stderr, "%s: too many -cert 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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certfiles[certfiles_cnt++] = *(++argv);
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} else if (!strcmp(*argv, "-key")) {
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if (signkeyfiles_cnt >= sizeof(signkeyfiles)/sizeof(signkeyfiles[0])) {
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fprintf(stderr, "%s: too many -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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signkeyfiles[signkeyfiles_cnt++] = *(++argv);
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} else if (!strcmp(*argv, "-pass")) {
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if (signpasses_cnt >= sizeof(signpasses)/sizeof(signpasses[0])) {
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fprintf(stderr, "%s: too many -pass 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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signpasses[signpasses_cnt++] = *(++argv);
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} else if (!strcmp(*argv, "-ex_key")) {
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if (enckeyfiles_cnt >= sizeof(enckeyfiles)/sizeof(enckeyfiles[0])) {
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fprintf(stderr, "%s: too many -ex_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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enckeyfiles[enckeyfiles_cnt++] = *(++argv);
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} else if (!strcmp(*argv, "-ex_pass")) {
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if (encpasses_cnt >= sizeof(encpasses)/sizeof(encpasses[0])) {
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fprintf(stderr, "%s: too many -ex_pass 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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encpasses[encpasses_cnt++] = *(++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 {
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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 1;
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}
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argc--;
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argv++;
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}
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if (!certfiles_cnt) {
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fprintf(stderr, "%s: '-cert' option required\n", prog);
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return 1;
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}
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if (!signkeyfiles_cnt) {
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fprintf(stderr, "%s: '-key' option required\n", prog);
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return 1;
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}
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if (!signpasses_cnt) {
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fprintf(stderr, "%s: '-pass' option required\n", prog);
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return 1;
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}
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if (!enckeyfiles_cnt) {
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fprintf(stderr, "%s: '-ex_key' option required\n", prog);
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return 1;
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}
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if (!encpasses_cnt) {
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fprintf(stderr, "%s: '-ex_pass' option required\n", prog);
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return 1;
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}
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if (certfiles_cnt != signkeyfiles_cnt || signkeyfiles_cnt != signpasses_cnt
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|| signpasses_cnt != enckeyfiles_cnt || enckeyfiles_cnt != encpasses_cnt) {
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fprintf(stderr, "%s: -cert/-key/-pass/-ex_key/-ex_pass counts mismatch\n", prog);
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return 1;
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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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if (tls_ctx_init(&ctx, TLS_protocol_tlcp, TLS_server_mode) != 1
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|| tls_ctx_set_cipher_suites(&ctx, server_ciphers, sizeof(server_ciphers)/sizeof(int)) != 1) {
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error_print();
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return -1;
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}
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for (i = 0; i < certfiles_cnt; i++) {
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if (tlcp_ctx_add_server_certificate_and_keys(&ctx,
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certfiles[i], signkeyfiles[i], signpasses[i],
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enckeyfiles[i], encpasses[i]) != 1) {
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error_print();
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return -1;
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}
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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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error_print();
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return -1;
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}
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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 (tls_socket_create(&sock, AF_INET, SOCK_STREAM, 0) != 1) {
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error_print();
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return 1;
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}
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server_addr.sin_family = AF_INET;
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server_addr.sin_addr.s_addr = INADDR_ANY;
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server_addr.sin_port = htons(port);
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if (tls_socket_bind(sock, &server_addr) != 1) {
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fprintf(stderr, "%s: socket bind error\n", prog);
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goto end;
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}
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puts("start listen ...\n");
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tls_socket_listen(sock, 1);
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restart:
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client_addrlen = sizeof(client_addr);
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if (tls_socket_accept(sock, &client_addr, &conn_sock) != 1) {
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fprintf(stderr, "%s: socket accept error\n", prog);
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goto end;
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}
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puts("socket connected\n");
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if (tls_init(&conn, &ctx) != 1
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|| tls_set_socket(&conn, conn_sock) != 1) {
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error_print();
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return -1;
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}
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if (tls_do_handshake(&conn) != 1) {
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error_print();
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return -1;
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}
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for (;;) {
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int rv;
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size_t sentlen;
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do {
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len = sizeof(buf);
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if ((rv = tls_recv(&conn, (uint8_t *)buf, sizeof(buf), &len)) != 1) {
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if (rv < 0) fprintf(stderr, "%s: recv failure\n", prog);
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else fprintf(stderr, "%s: Disconnected by remote\n", prog);
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//tls_socket_close(conn.sock); // FIXME:
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tls_cleanup(&conn);
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goto restart;
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}
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} while (!len);
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if (tls_send(&conn, (uint8_t *)buf, len, &sentlen) != 1) {
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fprintf(stderr, "%s: send failure, close connection\n", prog);
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tls_socket_close(conn.sock);
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goto end;
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}
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}
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end:
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return ret;
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}
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