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/*
* Copyright (C) 2011 Martin Willi
* Copyright (C) 2011 revosec AG
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
#include <sys/socket.h>
#include <sys/un.h>
#include <unistd.h>
#include <stdlib.h>
#include <stddef.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#include "duplicheck_msg.h"
/**
* Connect to the daemon, return FD
*/
static int make_connection()
{
union {
struct sockaddr_un un;
struct sockaddr_in in;
struct sockaddr sa;
} addr;
int fd, len;
if (getenv("TCP_PORT"))
{
addr.in.sin_family = AF_INET;
addr.in.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
addr.in.sin_port = htons(atoi(getenv("TCP_PORT")));
len = sizeof(addr.in);
}
else
{
addr.un.sun_family = AF_UNIX;
strcpy(addr.un.sun_path, DUPLICHECK_SOCKET);
len = offsetof(struct sockaddr_un, sun_path) + strlen(addr.un.sun_path);
}
fd = socket(addr.sa.sa_family, SOCK_STREAM, 0);
if (fd < 0)
{
fprintf(stderr, "opening socket failed: %s\n", strerror(errno));
return -1;
}
if (connect(fd, &addr.sa, len) < 0)
{
fprintf(stderr, "connecting failed: %s\n", strerror(errno));
close(fd);
return -1;
}
return fd;
}
int main(int argc, char *argv[])
{
char buf[128];
int fd, len;
u_int16_t msglen;
fd = make_connection();
if (fd < 0)
{
return 1;
}
while (1)
{
len = recv(fd, &msglen, sizeof(msglen), 0);
if (len != sizeof(msglen))
{
break;
}
msglen = ntohs(msglen);
while (msglen)
{
if (sizeof(buf) > msglen)
{
len = msglen;
}
else
{
len = sizeof(buf);
}
len = recv(fd, &buf, len, 0);
if (len < 0)
{
break;
}
msglen -= len;
printf("%.*s", len, buf);
}
printf("\n");
if (len < 0)
{
break;
}
}
fprintf(stderr, "reading from socket failed: %s\n", strerror(errno));
close(fd);
return 1;
}
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