mirror of
https://github.com/guanzhi/GmSSL.git
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111 lines
2.4 KiB
C
111 lines
2.4 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 <unistd.h>
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#include <netdb.h>
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#include <sys/types.h>
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#include <arpa/inet.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <gmssl/tls.h>
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#include <gmssl/error.h>
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#include "url_parser.h"
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int 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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const int cipher = TLS_cipher_ecc_sm4_cbc_sm3;
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URL_COMPONENTS *url;
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struct hostent *hp;
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int port = 443;
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struct sockaddr_in server;
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int sock;
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TLS_CTX ctx;
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TLS_CONNECT conn;
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char request[1024];
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uint8_t buf[16800];
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char *p;
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size_t len;
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if (argc != 2) {
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fprintf(stderr, "example: tlcp_get https://sm2only.ovssl.cn\n");
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return 1;
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}
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if (!(url = parse_url(argv[1]))) {
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fprintf(stderr, "parse url '%s' failure\n", argv[1]);
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return 1;
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}
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if (!(hp = gethostbyname(url->host))) {
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herror("tlcp_client: '-host' invalid");
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goto end;
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}
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if (url->port != -1) {
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port = url->port;
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}
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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 ((sock = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
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perror("socket");
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goto end;
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}
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if (connect(sock, (struct sockaddr *)&server , sizeof(server)) < 0) {
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perror("connect");
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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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tls_ctx_init(&ctx, TLS_protocol_tlcp, TLS_client_mode);
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tls_ctx_set_cipher_suites(&ctx, &cipher, 1);
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tls_init(&conn, &ctx);
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tls_set_socket(&conn, sock);
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if (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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snprintf(request, sizeof(request)-1, "GET %s HTTP/1.1\r\nHost: %s\r\n\r\n",
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url->path ? url->path : "/",
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url->host);
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tls_send(&conn, (uint8_t *)request, strlen(request), &len);
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if (tls_recv(&conn, buf, sizeof(buf), &len) != 1) {
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fprintf(stderr, "recv failure\n");
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goto end;
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}
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buf[len] = 0;
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p = strstr((char *)buf, "\r\n\r\n");
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if (p) {
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printf("%s", p + 4);
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fflush(stdout);
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}
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end:
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free_url_components(url);
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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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