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#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#include <err.h>
#include "tunnel.h"
#include "macro.h"
#include "utils.h"
static void sendcmd(int sock, int argc, char *argv[])
{
char *buf = NULL;
size_t len = 0;
let (fp, open_memstream(&buf, &len), fclose) {
for (int n = 0; n < argc; n++) {
if (n)
fputc('\0', fp);
fprintf(fp, "%s", argv[n]);
}
}
if (write(sock, buf, len) < 0)
err(EXIT_FAILURE, "write");
free(buf);
}
int main(int argc, char *argv[])
{
char reply[1024];
if (argc == 1)
errx(EXIT_FAILURE, "bad usage");
if (!strcmp(argv[1], "server")) {
if (!tunnel_server())
errx(EXIT_FAILURE, "start server failed");
return 0;
}
int sock = tunnel_client();
if (sock < 0)
errx(EXIT_FAILURE, "init client failed");
sendcmd(sock, argc - 1, argv + 1);
int n = read(sock, reply, sizeof(reply));
if (n < 0)
err(EXIT_FAILURE, "read");
if (n) {
if (reply[n - 1] == '\n')
printf("%.*s", n, reply);
else
printf("%.*s\n", n, reply);
}
close(sock);
return 0;
}
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