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/*
* Copyright (c) 2018 the CivetWeb developers
* MIT License
*/
/* Simple client demo. */
#ifdef _WIN32
#include <windows.h>
#else
#include <unistd.h>
#endif
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include "civetweb.h"
int
main(int argc, char *argv[])
{
if (argc < 2) {
fprintf(stderr, "Requires server name as argument\n");
return EXIT_FAILURE;
}
/* Init libcivetweb. */
mg_init_library(MG_FEATURES_TLS);
if (mg_check_feature(MG_FEATURES_TLS) != MG_FEATURES_TLS) {
fprintf(stderr, "TLS is not available\n");
return EXIT_FAILURE;
}
/* Connect client */
char errbuf[256] = {0};
struct mg_client_options opt = {0};
opt.host = argv[1]; /* Host name from command line */
opt.port = 443; /* Default HTTPS port */
opt.client_cert = NULL; /* Client certificate, if required */
opt.server_cert = NULL; /* Server certificate to verify */
opt.host_name = opt.host; /* Host name for SNI */
struct mg_connection *cli =
mg_connect_client_secure(&opt, errbuf, sizeof(errbuf));
/* Check return value: */
if (cli == NULL) {
fprintf(stderr, "Cannot connect client: %s\n", errbuf);
return EXIT_FAILURE;
}
printf("cli: %p\n", cli);
mg_printf(cli, "GET / HTTP/1.1\r\n");
mg_printf(cli, "Host: %s\r\n", opt.host);
mg_printf(cli, "Connection: close\r\n\r\n");
int ret = mg_get_response(cli, errbuf, sizeof(errbuf), 10000);
if (ret < 0) {
fprintf(stderr, "Download failed: %s\n", errbuf);
mg_close_connection(cli);
return EXIT_FAILURE;
}
const struct mg_response_info *ri = mg_get_response_info(cli);
if (ri == NULL) {
fprintf(stderr, "mg_response_info failed\n");
mg_close_connection(cli);
return EXIT_FAILURE;
}
printf("Status: %i %s\n", ri->status_code, ri->status_text);
printf("HTTP Version: %s\n", ri->http_version);
printf("Content-Length: %lli\n", ri->content_length);
printf("Headers:\n");
int is_chunked = 0;
for (int i = 0; i < ri->num_headers; i++) {
printf(" %s: %s\n",
ri->http_headers[i].name,
ri->http_headers[i].value);
if (!strcasecmp(ri->http_headers[i].name, "Transfer-Encoding")
&& !strcasecmp(ri->http_headers[i].value, "chunked")) {
is_chunked = 1;
}
}
long long cont = ri->content_length;
if (cont > 0) {
/* Read regular content */
printf("Content:\n");
while (cont > 0) {
char buf[1024];
int ret = mg_read(cli, buf, sizeof(buf));
if (ret <= 0) {
printf("read error\n");
break;
}
cont -= ret;
fwrite(buf, 1, ret, stdout);
}
} else {
/* Read chunked content (or content without content length) */
char buf[1024];
for (;;) {
int ret = mg_read(cli, buf, sizeof(buf));
if (ret <= 0)
break;
fwrite(buf, 1, ret, stdout);
}
}
mg_close_connection(cli);
return EXIT_SUCCESS;
}
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