ClamAV is an open source (GPLv2) anti-virus toolkit.
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clamav/clamd/tcpserver.c

95 lines
2.6 KiB

/*
* Copyright (C) 2007-2009 Sourcefire, Inc.
*
* Authors: Tomasz Kojm, Török Edvin
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
#if HAVE_CONFIG_H
#include "clamav-config.h"
#endif
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifndef _WIN32
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#endif
#include <errno.h>
#include "libclamav/clamav.h"
#include "shared/optparser.h"
#include "shared/output.h"
#include "shared/misc.h"
#include "others.h"
#include "server.h"
#include "tcpserver.h"
int tcpserver(const struct optstruct *opts)
{
struct sockaddr_in server;
int sockfd, backlog;
char *estr;
int true = 1;
if (cfg_tcpsock(opts, &server, INADDR_ANY) == -1) {
logg("!TCP: Couldn't configure socket, check your configuration\n");
return -1;
}
if((sockfd = socket(AF_INET, SOCK_STREAM, 0)) == -1) {
estr = strerror(errno);
logg("!TCP: socket() error: %s\n", estr);
return -1;
}
if(setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, (void *) &true, sizeof(true)) == -1) {
logg("!TCP: setsocktopt(SO_REUSEADDR) error: %s\n", strerror(errno));
}
if(bind(sockfd, (struct sockaddr *) &server, sizeof(struct sockaddr_in)) == -1) {
estr = strerror(errno);
logg("!TCP: bind() error: %s\n", estr);
closesocket(sockfd);
return -1;
} else {
const struct optstruct *taddr = optget(opts, "TCPAddr");
if(taddr->enabled)
logg("#TCP: Bound to address %s on port %u\n", taddr->strarg, (unsigned int) optget(opts, "TCPSocket")->numarg);
else
logg("#TCP: Bound to port %u\n", (unsigned int) optget(opts, "TCPSocket")->numarg);
}
backlog = optget(opts, "MaxConnectionQueueLength")->numarg;
logg("#TCP: Setting connection queue length to %d\n", backlog);
if(listen(sockfd, backlog) == -1) {
estr = strerror(errno);
logg("!TCP: listen() error: %s\n", estr);
closesocket(sockfd);
return -1;
}
return sockfd;
}