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261 lines
9.3 KiB
261 lines
9.3 KiB
/*
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* Copyright (C) 2002 - 2005 Tomasz Kojm <tkojm@clamav.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#if HAVE_CONFIG_H
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#include "clamav-config.h"
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/time.h>
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#include <time.h>
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#include "options.h"
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#include "others.h"
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#include "shared.h"
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#include "manager.h"
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#include "defaults.h"
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#include "treewalk.h"
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#include "misc.h"
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#include "output.h"
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#ifdef C_LINUX
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#include <sys/resource.h>
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#endif
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void help(void);
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struct s_info claminfo;
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short recursion = 0, printinfected = 0, bell = 0;
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int clamscan(struct optstruct *opt)
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{
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int ds, dms, ret;
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double mb;
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struct timeval t1, t2;
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struct timezone tz;
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/* initialize some important variables */
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if(optc(opt, 'v')) {
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mprintf_verbose = 1;
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logg_verbose = 1;
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}
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if(optl(opt, "quiet"))
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mprintf_quiet = 1;
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if(optl(opt, "stdout"))
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mprintf_stdout = 1;
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if(optl(opt, "debug")) {
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#if defined(C_LINUX)
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/* njh@bandsman.co.uk: create a dump if needed */
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struct rlimit rlim;
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rlim.rlim_cur = rlim.rlim_max = RLIM_INFINITY;
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if(setrlimit(RLIMIT_CORE, &rlim) < 0)
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perror("setrlimit");
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#endif
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cl_debug(); /* enable debug messages */
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}
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if(optc(opt, 'V')) {
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print_version();
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return 0;
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}
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if(optc(opt, 'h')) {
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free_opt(opt);
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help();
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}
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/* check other options */
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if(optc(opt, 'r'))
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recursion = 1;
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if(optc(opt, 'i'))
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printinfected = 1;
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if(optl(opt, "bell"))
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bell = 1;
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if(optl(opt, "tempdir"))
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cl_settempdir(getargl(opt, "tempdir"), 0);
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if(optl(opt, "leave-temps"))
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cl_settempdir(NULL, 1);
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/* initialize logger */
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if(optc(opt, 'l')) {
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logg_file = getargc(opt, 'l');
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if(logg("#\n-------------------------------------------------------------------------------\n\n")) {
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mprintf("!Problem with internal logger.\n");
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return 62;
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}
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} else
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logg_file = NULL;
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/* we need some pre-checks */
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if(optl(opt, "max-space"))
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if(!strchr(getargl(opt, "max-space"), 'M') && !strchr(getargl(opt, "max-space"), 'm'))
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if(!isnumb(getargl(opt, "max-space"))) {
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logg("!--max-space requires natural number.\n");
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return 40;
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}
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if(optl(opt, "max-files"))
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if(!isnumb(getargl(opt, "max-files"))) {
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logg("!--max-files requires natural number.\n");
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return 40;
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}
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if(optl(opt, "max-recursion"))
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if(!isnumb(getargl(opt, "max-recursion"))) {
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logg("!--max-recursion requires natural number.\n");
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return 40;
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}
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if(optl(opt, "max-dir-recursion"))
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if(!isnumb(getargl(opt, "max-dir-recursion"))) {
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logg("!--max-dir-recursion requires natural number.\n");
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return 40;
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}
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if(optl(opt, "max-ratio"))
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if(!isnumb(getargl(opt, "max-ratio"))) {
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logg("!--max-ratio requires natural number.\n");
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return 40;
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}
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memset(&claminfo, 0, sizeof(struct s_info));
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gettimeofday(&t1, &tz);
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ret = scanmanager(opt);
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if(!optl(opt, "disable-summary") && !optl(opt, "no-summary")) {
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gettimeofday(&t2, &tz);
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ds = t2.tv_sec - t1.tv_sec;
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dms = t2.tv_usec - t1.tv_usec;
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ds -= (dms < 0) ? (1):(0);
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dms += (dms < 0) ? (1000000):(0);
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logg("\n----------- SCAN SUMMARY -----------\n");
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logg("Known viruses: %d\n", claminfo.signs);
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logg("Engine version: %s\n", cl_retver());
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logg("Scanned directories: %d\n", claminfo.dirs);
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logg("Scanned files: %d\n", claminfo.files);
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logg("Infected files: %d\n", claminfo.ifiles);
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if(claminfo.notremoved) {
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logg("Not removed: %d\n", claminfo.notremoved);
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}
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if(claminfo.notmoved) {
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logg("Not moved: %d\n", claminfo.notmoved);
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}
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mb = claminfo.blocks * (CL_COUNT_PRECISION / 1024) / 1024.0;
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logg("Data scanned: %2.2lf MB\n", mb);
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/*
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mprintf("I/O buffer size: %d bytes\n", SCANBUFF);
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logg("I/O buffer size: %d bytes\n", SCANBUFF);
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*/
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logg("Time: %d.%3.3d sec (%d m %d s)\n", ds, dms/1000, ds/60, ds%60);
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}
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return ret;
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}
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void help(void)
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{
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mprintf_stdout = 1;
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mprintf("\n");
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mprintf(" Clam AntiVirus Scanner "VERSION"\n");
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mprintf(" (C) 2002 - 2005 ClamAV Team - http://www.clamav.net/team.html\n\n");
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mprintf(" --help -h Print this help screen\n");
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mprintf(" --version -V Print version number\n");
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mprintf(" --verbose -v Be verbose\n");
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mprintf(" --debug Enable libclamav's debug messages\n");
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mprintf(" --quiet Only output error messages\n");
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mprintf(" --stdout Write to stdout instead of stderr\n");
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mprintf(" --no-summary Disable summary at end of scanning\n");
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mprintf(" --infected -i Only print infected files\n");
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mprintf(" --bell Sound bell on virus detection\n");
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mprintf("\n");
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mprintf(" --tempdir=DIRECTORY Create temporary files in DIRECTORY\n");
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mprintf(" --leave-temps Do not remove temporary files\n");
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mprintf(" --database=FILE/DIR -d FILE/DIR Load virus database from FILE or load\n");
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mprintf(" all .cvd and .db[2] files from DIR\n");
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mprintf(" --log=FILE -l FILE Save scan report to FILE\n");
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mprintf(" --recursive -r Scan subdirectories recursively\n");
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mprintf(" --remove Remove infected files. Be careful!\n");
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mprintf(" --move=DIRECTORY Move infected files into DIRECTORY\n");
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#ifdef HAVE_REGEX_H
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mprintf(" --exclude=REGEX Don't scan file names matching REGEX\n");
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mprintf(" --exclude-dir=REGEX Don't scan directories matching REGEX\n");
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mprintf(" --include=REGEX Only scan file names matching REGEX\n");
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mprintf(" --include-dir=REGEX Only scan directories matching REGEX\n");
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#else
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mprintf(" --exclude=PATT Don't scan file names containing PATT\n");
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mprintf(" --exclude-dir=PATT Don't scan directories containing PATT\n");
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mprintf(" --include=PATT Only scan file names containing PATT\n");
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mprintf(" --include-dir=PATT Only scan directories containing PATT\n");
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#endif
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mprintf("\n");
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mprintf(" --no-mail Disable mail file support\n");
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mprintf(" --no-phishing Disable phishing detection\n");
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mprintf(" --no-algo Disable algorithmic detection\n");
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mprintf(" --no-pe Disable PE analysis\n");
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mprintf(" --no-ole2 Disable OLE2 support\n");
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mprintf(" --no-html Disable HTML support\n");
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mprintf(" --no-archive Disable libclamav archive support\n");
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mprintf(" --detect-broken Try to detect broken executable files\n");
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mprintf(" --block-encrypted Block encrypted archives\n");
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mprintf(" --block-max Block archives that exceed limits\n");
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#ifdef WITH_CURL
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mprintf(" --mail-follow-urls Download and scan URLs\n");
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#endif
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mprintf("\n");
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mprintf(" --max-space=#n Only extract first #n kilobytes from\n");
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mprintf(" archived files\n");
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mprintf(" --max-files=#n Only extract first #n files from\n");
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mprintf(" archives\n");
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mprintf(" --max-recursion=#n Maximum archive recursion level\n");
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mprintf(" --max-ratio=#n Maximum compression ratio limit\n");
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mprintf(" --max-dir-recursion=#n Maximum directory recursion level\n");
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mprintf(" --unzip[=FULLPATH] Enable support for .zip files\n");
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mprintf(" --unrar[=FULLPATH] Enable support for .rar files\n");
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mprintf(" --arj[=FULLPATH] Enable support for .arj files\n");
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mprintf(" --unzoo[=FULLPATH] Enable support for .zoo files\n");
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mprintf(" --lha[=FULLPATH] Enable support for .lha files\n");
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mprintf(" --jar[=FULLPATH] Enable support for .jar files\n");
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mprintf(" --tar[=FULLPATH] Enable support for .tar files\n");
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mprintf(" --deb[=FULLPATH to ar] Enable support for .deb files\n");
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mprintf(" --tgz[=FULLPATH] Enable support for .tar.gz, .tgz files\n\n");
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exit(0);
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}
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