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/*
* Copyright (C) 2002 - 2007 Tomasz Kojm <tkojm@clamav.net>
*
* 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.
*
* 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.
*/
#ifdef _MSC_VER
#include <winsock.h>
#endif
#if HAVE_CONFIG_H
#include "clamav-config.h"
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <sys/types.h>
#ifndef C_WINDOWS
#include <dirent.h>
#include <sys/socket.h>
#include <sys/time.h>
#endif
#include <pthread.h>
#include <time.h>
#include <errno.h>
#include <stddef.h>
#include "libclamav/clamav.h"
#include "libclamav/str.h"
#include "shared/cfgparser.h"
#include "shared/output.h"
#include "shared/misc.h"
#include "others.h"
#include "scanner.h"
#include "server.h"
#include "session.h"
static pthread_mutex_t ctime_mutex = PTHREAD_MUTEX_INITIALIZER;
int command(int desc, const struct cl_engine *engine, const struct cl_limits *limits, unsigned int options, const struct cfgstruct *copt, int timeout)
{
char buff[1025];
int bread, opt;
bread = readsock(desc, buff, sizeof(buff)-1, '\n', timeout, 0, 1);
if(bread == -2) /* timeout */
return -2;
if(bread == 0) /* Connection closed */
return -1;
if(bread < 0) {
mdprintf(desc, "ERROR\n");
logg("!Command: readsock() failed.\n");
return -1;
}
buff[bread] = 0;
cli_chomp(buff);
if(!strncmp(buff, CMD1, strlen(CMD1))) { /* SCAN */
if(scan(buff + strlen(CMD1) + 1, NULL, engine, limits, options, copt, desc, TYPE_SCAN) == -2)
if(cfgopt(copt, "ExitOnOOM")->enabled)
return COMMAND_SHUTDOWN;
} else if(!strncmp(buff, CMD2, strlen(CMD2))) { /* RAWSCAN */
opt = options & ~CL_SCAN_ARCHIVE;
if(scan(buff + strlen(CMD2) + 1, NULL, engine, NULL, opt, copt, desc, TYPE_SCAN) == -2)
if(cfgopt(copt, "ExitOnOOM")->enabled)
return COMMAND_SHUTDOWN;
} else if(!strncmp(buff, CMD3, strlen(CMD3))) { /* QUIT */
return COMMAND_SHUTDOWN;
} else if(!strncmp(buff, CMD4, strlen(CMD4))) { /* RELOAD */
mdprintf(desc, "RELOADING\n");
return COMMAND_RELOAD;
} else if(!strncmp(buff, CMD5, strlen(CMD5))) { /* PING */
mdprintf(desc, "PONG\n");
} else if(!strncmp(buff, CMD6, strlen(CMD6))) { /* CONTSCAN */
if(scan(buff + strlen(CMD6) + 1, NULL, engine, limits, options, copt, desc, TYPE_CONTSCAN) == -2)
if(cfgopt(copt, "ExitOnOOM")->enabled)
return COMMAND_SHUTDOWN;
} else if(!strncmp(buff, CMD7, strlen(CMD7))) { /* VERSION */
const char *dbdir = cfgopt(copt, "DatabaseDirectory")->strarg;
char *path;
struct cl_cvd *daily;
struct stat foo;
if(!(path = malloc(strlen(dbdir) + 30))) {
mdprintf(desc, "Memory allocation error - SHUTDOWN forced\n");
return COMMAND_SHUTDOWN;
}
sprintf(path, "%s/daily.cvd", dbdir);
if(stat(path, &foo) == -1)
sprintf(path, "%s/daily.inc/daily.info", dbdir);
if((daily = cl_cvdhead(path))) {
time_t t = (time_t) daily->stime;
pthread_mutex_lock(&ctime_mutex);
mdprintf(desc, "ClamAV "VERSION"/%d/%s", daily->version, ctime(&t));
pthread_mutex_unlock(&ctime_mutex);
cl_cvdfree(daily);
} else {
mdprintf(desc, "ClamAV "VERSION"\n");
}
free(path);
} else if(!strncmp(buff, CMD8, strlen(CMD8))) { /* STREAM */
if(scanstream(desc, NULL, engine, limits, options, copt) == CL_EMEM)
if(cfgopt(copt, "ExitOnOOM")->enabled)
return COMMAND_SHUTDOWN;
} else if(!strncmp(buff, CMD9, strlen(CMD9))) { /* SESSION */
return COMMAND_SESSION;
} else if(!strncmp(buff, CMD10, strlen(CMD10))) { /* END */
return COMMAND_END;
} else if(!strncmp(buff, CMD11, strlen(CMD11))) { /* SHUTDOWN */
return COMMAND_SHUTDOWN;
} else if(!strncmp(buff, CMD12, strlen(CMD12))) { /* FD */
int fd = atoi(buff + strlen(CMD12) + 1);
scanfd(fd, NULL, engine, limits, options, copt, desc);
close(fd); /* FIXME: should we close it here? */
} else if(!strncmp(buff, CMD13, strlen(CMD13))) { /* MULTISCAN */
if(scan(buff + strlen(CMD13) + 1, NULL, engine, limits, options, copt, desc, TYPE_MULTISCAN) == -2)
if(cfgopt(copt, "ExitOnOOM")->enabled)
return COMMAND_SHUTDOWN;
} else {
mdprintf(desc, "UNKNOWN COMMAND\n");
}
return 0; /* no error and no 'special' command executed */
}
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