e3aaff8e |
/* |
81837459 |
* Copyright (C) 2002 - 2005 Tomasz Kojm <tkojm@clamav.net> |
e3aaff8e |
*
* This program is free software; you can redistribute it and/or modify |
bb34cb31 |
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation. |
e3aaff8e |
*
* 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 |
48b7b4a7 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA. |
e3aaff8e |
*/
|
6d6e8271 |
#if HAVE_CONFIG_H
#include "clamav-config.h"
#endif
|
d71dd823 |
#ifdef BUILD_CLAMD
|
e3aaff8e |
#include <stdio.h> |
17ad1c5b |
#ifdef HAVE_UNISTD_H |
e3aaff8e |
#include <unistd.h> |
17ad1c5b |
#endif |
e3aaff8e |
#include <sys/types.h> |
081f6473 |
#ifndef _WIN32 |
e3aaff8e |
#include <sys/socket.h>
#include <sys/un.h>
#include <netinet/in.h>
#include <arpa/inet.h> |
a616f2de |
#include <netdb.h> |
17ad1c5b |
#endif |
ee039e40 |
#include <string.h> |
4542f1cd |
#include <errno.h> |
e3aaff8e |
|
3f7802c9 |
#include "shared/optparser.h" |
a889f40e |
#include "shared/output.h" |
3507891f |
#include "shared/clamdcom.h"
|
fc83da82 |
#include "notify.h" |
e3aaff8e |
|
6df88f29 |
int
clamd_connect (const char *cfgfile, const char *option) |
e3aaff8e |
{ |
4cd80898 |
#ifndef _WIN32 |
6df88f29 |
struct sockaddr_un server; |
17ad1c5b |
#endif |
3027857c |
#ifdef HAVE_GETADDRINFO |
6df88f29 |
struct addrinfo hints, *res;
char port[6];
const char *addr;
int ret; |
b54eb319 |
#else |
6df88f29 |
struct sockaddr_in server2;
struct hostent *he; |
b54eb319 |
#endif |
6df88f29 |
struct optstruct *opts;
const struct optstruct *opt;
int sockd;
const char *socktype; |
e3aaff8e |
|
6df88f29 |
if ((opts = optparse (cfgfile, 0, NULL, 1, OPT_CLAMD, 0, NULL)) == NULL)
{
logg ("!%s: Can't find or parse configuration file %s\n", option,
cfgfile);
return -11; |
e3aaff8e |
}
|
4cd80898 |
#ifndef _WIN32 |
6df88f29 |
if ((opt = optget (opts, "LocalSocket"))->enabled)
{
socktype = "UNIX"; |
c882e51e |
memset(&server, 0x00, sizeof(server)); |
6df88f29 |
server.sun_family = AF_UNIX;
strncpy (server.sun_path, opt->strarg, sizeof (server.sun_path));
server.sun_path[sizeof (server.sun_path) - 1] = '\0';
if ((sockd = socket (AF_UNIX, SOCK_STREAM, 0)) < 0)
{
logg ("^Clamd was NOT notified: Can't create socket endpoint for %s\n", opt->strarg);
perror ("socket()");
optfree (opts);
return -1;
}
if (connect
(sockd, (struct sockaddr *) &server,
sizeof (struct sockaddr_un)) < 0)
{
closesocket (sockd);
logg ("^Clamd was NOT notified: Can't connect to clamd through %s\n", opt->strarg);
perror ("connect()");
optfree (opts);
return -11;
}
}
else |
17ad1c5b |
#endif |
6df88f29 |
if ((opt = optget (opts, "TCPSocket"))->enabled)
{
socktype = "TCP"; |
b54eb319 |
|
3027857c |
#ifdef HAVE_GETADDRINFO |
6df88f29 |
memset (&hints, 0, sizeof (hints)); |
8185c4a4 |
/* |
3027857c |
#ifdef SUPPORT_IPv6 |
b54eb319 |
hints.ai_family = AF_UNSPEC; |
3027857c |
#else |
8185c4a4 |
*/ |
6df88f29 |
hints.ai_family = AF_INET;
hints.ai_socktype = SOCK_STREAM;
snprintf (port, sizeof (port), "%u", (unsigned int) opt->numarg);
port[5] = 0;
if ((opt = optget (opts, "TCPAddr"))->enabled)
addr = opt->strarg;
else
addr = NULL;
ret = getaddrinfo (addr, port, &hints, &res);
if (ret)
{
logg ("!%s: Can't resolve hostname %s (%s)\n", option,
addr ? addr : "",
(ret ==
EAI_SYSTEM) ? strerror (errno) : gai_strerror (ret));
optfree (opts);
return -1;
}
if ((sockd = socket (res->ai_family, SOCK_STREAM, 0)) < 0)
{
perror ("socket()");
logg ("!%s: Can't create TCP socket\n", option);
optfree (opts);
freeaddrinfo (res);
return -1;
}
if (connect (sockd, res->ai_addr, res->ai_addrlen) == -1)
{
perror ("connect()");
closesocket (sockd);
logg ("!%s: Can't connect to clamd on %s:%s\n", option,
addr ? addr : "localhost", port);
optfree (opts);
freeaddrinfo (res);
return -1;
}
freeaddrinfo (res); |
b54eb319 |
#else /* IPv4 */
|
6df88f29 |
if ((sockd = socket (AF_INET, SOCK_STREAM, 0)) < 0)
{
logg ("!%s: Can't create TCP socket\n", option);
perror ("socket()");
optfree (opts);
return -1;
}
server2.sin_family = AF_INET;
server2.sin_port = htons (opt->numarg);
if ((opt = optget (opts, "TCPAddr"))->enabled)
{
if ((he = gethostbyname (opt->strarg)) == 0)
{
perror ("gethostbyname()");
logg ("^Clamd was NOT notified: Can't resolve hostname '%s'\n", opt->strarg);
optfree (opts);
closesocket (sockd);
return -1;
}
server2.sin_addr = *(struct in_addr *) he->h_addr_list[0];
}
else
server2.sin_addr.s_addr = inet_addr ("127.0.0.1");
if (connect
(sockd, (struct sockaddr *) &server2,
sizeof (struct sockaddr_in)) < 0)
{
closesocket (sockd);
logg ("^Clamd was NOT notified: Can't connect to clamd on %s:%d\n", inet_ntoa (server2.sin_addr), ntohs (server2.sin_port));
perror ("connect()");
optfree (opts);
return -1;
} |
e3aaff8e |
|
b54eb319 |
#endif
|
6df88f29 |
}
else
{
logg ("!%s: No communication socket specified in %s\n", option,
cfgfile);
optfree (opts);
return 1; |
e3aaff8e |
}
|
6df88f29 |
optfree (opts); |
3507891f |
return sockd;
}
|
6df88f29 |
int
notify (const char *cfgfile) |
3507891f |
{ |
6df88f29 |
char buff[20];
int sockd, bread;
if ((sockd = clamd_connect (cfgfile, "NotifyClamd")) < 0)
return 1;
if (sendln (sockd, "RELOAD", 7) < 0)
{
logg ("!NotifyClamd: Could not write to clamd socket\n");
perror ("send()");
closesocket (sockd);
return 1; |
e3aaff8e |
}
|
6df88f29 |
memset (buff, 0, sizeof (buff));
if ((bread = recv (sockd, buff, sizeof (buff), 0)) > 0)
{
if (!strstr (buff, "RELOADING"))
{
logg ("!NotifyClamd: Unknown answer from clamd: '%s'\n", buff);
closesocket (sockd);
return 1;
} |
3507891f |
} |
e3aaff8e |
|
6df88f29 |
closesocket (sockd);
logg ("Clamd successfully notified about the update.\n"); |
e3aaff8e |
return 0;
} |
d71dd823 |
#endif |