mirror of https://github.com/Cisco-Talos/clamav
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261 lines
8.8 KiB
261 lines
8.8 KiB
/*
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* Copyright (C) 2013-2024 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
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* Copyright (C) 2007-2013 Sourcefire, Inc.
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*
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* Authors: Tomasz Kojm, aCaB
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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 version 2 as
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* published by the Free Software Foundation.
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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., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, 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 <string.h>
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#include <stdlib.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#ifndef _WIN32
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#include <sys/time.h>
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#endif
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#include <time.h>
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#include <signal.h>
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// libclamav
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#include "clamav.h"
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// common
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#include "output.h"
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#include "misc.h"
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#include "optparser.h"
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#include "actions.h"
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#include "client.h"
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void help(void);
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extern int printinfected;
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struct optstruct *clamdopts = NULL;
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static void print_server_version(const struct optstruct *opt)
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{
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if (get_clamd_version(opt)) {
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/* can't get version from server, fallback */
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printf("ClamAV %s\n", get_version());
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}
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}
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int main(int argc, char **argv)
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{
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int ds, dms, ret, infected = 0, err = 0;
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struct timeval t1, t2;
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time_t date_start, date_end;
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struct optstruct *opts;
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const struct optstruct *opt;
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char buffer[26];
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#ifndef _WIN32
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struct sigaction sigact;
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#endif
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if ((opts = optparse(NULL, argc, argv, 1, OPT_CLAMDSCAN, OPT_CLAMSCAN, NULL)) == NULL) {
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mprintf(LOGG_ERROR, "Can't parse command line options\n");
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exit(2);
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}
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if (optget(opts, "help")->enabled) {
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optfree(opts);
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help();
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}
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if ((clamdopts = optparse(optget(opts, "config-file")->strarg, 0, NULL, 1, OPT_CLAMD, 0, NULL)) == NULL) {
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logg(LOGG_ERROR, "Can't parse clamd configuration file %s\n", optget(opts, "config-file")->strarg);
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optfree(opts);
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exit(2);
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}
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if (optget(opts, "verbose")->enabled) {
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mprintf_verbose = 1;
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logg_verbose = 1;
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}
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if (optget(opts, "quiet")->enabled)
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mprintf_quiet = 1;
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if (optget(opts, "stdout")->enabled)
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mprintf_stdout = 1;
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if (optget(opts, "version")->enabled) {
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print_server_version(opts);
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optfree(opts);
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optfree(clamdopts);
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exit(0);
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}
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if (optget(opts, "ping")->enabled && !optget(opts, "wait")->enabled) {
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int16_t ping_result = ping_clamd(opts);
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switch (ping_result) {
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case 0:
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ret = 0;
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break;
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case 1:
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ret = (int)CL_ETIMEOUT;
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break;
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default:
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ret = (int)CL_ERROR;
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break;
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}
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optfree(opts);
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optfree(clamdopts);
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exit(ret);
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}
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if (optget(opts, "infected")->enabled)
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printinfected = 1;
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/* initialize logger */
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if ((opt = optget(opts, "log"))->enabled) {
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logg_file = opt->strarg;
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if (logg(LOGG_INFO, "--------------------------------------\n")) {
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mprintf(LOGG_ERROR, "Problem with internal logger.\n");
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optfree(opts);
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optfree(clamdopts);
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exit(2);
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}
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} else
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logg_file = NULL;
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if (optget(opts, "reload")->enabled) {
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ret = reload_clamd_database(opts);
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optfree(opts);
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optfree(clamdopts);
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logg_close();
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exit(ret);
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}
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if (actsetup(opts)) {
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optfree(opts);
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optfree(clamdopts);
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logg_close();
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exit(2);
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}
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#ifndef _WIN32
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memset(&sigact, 0, sizeof(struct sigaction));
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sigact.sa_handler = SIG_IGN;
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sigemptyset(&sigact.sa_mask);
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sigaddset(&sigact.sa_mask, SIGPIPE);
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sigaction(SIGPIPE, &sigact, NULL);
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#endif
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date_start = time(NULL);
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gettimeofday(&t1, NULL);
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ret = client(opts, &infected, &err);
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optfree(clamdopts);
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/* TODO: Implement STATUS in clamd */
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if (!optget(opts, "no-summary")->enabled) {
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struct tm tmp;
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date_end = time(NULL);
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gettimeofday(&t2, NULL);
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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(LOGG_INFO, "\n----------- SCAN SUMMARY -----------\n");
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logg(LOGG_INFO, "Infected files: %d\n", infected);
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if (err)
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logg(LOGG_INFO, "Total errors: %d\n", err);
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if (notremoved) {
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logg(LOGG_INFO, "Not removed: %d\n", notremoved);
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}
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if (notmoved) {
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logg(LOGG_INFO, "Not moved: %d\n", notmoved);
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}
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logg(LOGG_INFO, "Time: %d.%3.3d sec (%d m %d s)\n", ds, dms / 1000, ds / 60, ds % 60);
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#ifdef _WIN32
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if (0 != localtime_s(&tmp, &date_start)) {
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#else
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if (!localtime_r(&date_start, &tmp)) {
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#endif
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logg(LOGG_ERROR, "Failed to get local time for Start Date.\n");
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}
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strftime(buffer, sizeof(buffer), "%Y:%m:%d %H:%M:%S", &tmp);
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logg(LOGG_INFO, "Start Date: %s\n", buffer);
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#ifdef _WIN32
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if (0 != localtime_s(&tmp, &date_end)) {
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#else
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if (!localtime_r(&date_end, &tmp)) {
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#endif
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logg(LOGG_ERROR, "Failed to get local time for End Date.\n");
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}
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strftime(buffer, sizeof(buffer), "%Y:%m:%d %H:%M:%S", &tmp);
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logg(LOGG_INFO, "End Date: %s\n", buffer);
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}
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logg_close();
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optfree(opts);
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exit(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(LOGG_INFO, "\n");
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mprintf(LOGG_INFO, " Clam AntiVirus: Daemon Client %s\n", get_version());
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mprintf(LOGG_INFO, " By The ClamAV Team: https://www.clamav.net/about.html#credits\n");
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mprintf(LOGG_INFO, " (C) 2024 Cisco Systems, Inc.\n");
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mprintf(LOGG_INFO, "\n");
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mprintf(LOGG_INFO, " clamdscan [options] [file/directory/-]\n");
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mprintf(LOGG_INFO, "\n");
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mprintf(LOGG_INFO, " --help -h Show this help\n");
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mprintf(LOGG_INFO, " --version -V Print version number and exit\n");
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mprintf(LOGG_INFO, " --verbose -v Be verbose\n");
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mprintf(LOGG_INFO, " --quiet Be quiet, only output error messages\n");
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mprintf(LOGG_INFO, " --stdout Write to stdout instead of stderr. Does not affect 'debug' messages.\n");
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mprintf(LOGG_INFO, " (this help is always written to stdout)\n");
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mprintf(LOGG_INFO, " --log=FILE -l FILE Save scan report in FILE\n");
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mprintf(LOGG_INFO, " --file-list=FILE -f FILE Scan files from FILE\n");
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mprintf(LOGG_INFO, " --ping -p A[:I] Ping clamd up to [A] times at optional interval [I] until it responds.\n");
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mprintf(LOGG_INFO, " --wait -w Wait up to 30 seconds for clamd to start. Optionally use alongside --ping to set attempts [A] and interval [I] to check clamd.\n");
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mprintf(LOGG_INFO, " --remove Remove infected files. Be careful!\n");
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mprintf(LOGG_INFO, " --move=DIRECTORY Move infected files into DIRECTORY\n");
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mprintf(LOGG_INFO, " --copy=DIRECTORY Copy infected files into DIRECTORY\n");
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mprintf(LOGG_INFO, " --config-file=FILE -c Read configuration from FILE.\n");
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#ifdef _WIN32
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mprintf(LOGG_INFO, " --memory Scan loaded executable modules\n");
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mprintf(LOGG_INFO, " --kill Kill/Unload infected loaded modules\n");
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mprintf(LOGG_INFO, " --unload Unload infected modules from processes\n");
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#endif
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mprintf(LOGG_INFO, " --allmatch -z Continue scanning within file after finding a match.\n");
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mprintf(LOGG_INFO, " --multiscan -m Force MULTISCAN mode\n");
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mprintf(LOGG_INFO, " --infected -i Only print infected files\n");
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mprintf(LOGG_INFO, " --no-summary Disable summary at end of scanning\n");
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mprintf(LOGG_INFO, " --reload Request clamd to reload virus database\n");
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mprintf(LOGG_INFO, " --fdpass Pass filedescriptor to clamd (useful if clamd is running as a different user)\n");
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mprintf(LOGG_INFO, " --stream Force streaming files to clamd (for debugging and unit testing)\n");
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mprintf(LOGG_INFO, "\n");
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exit(0);
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}
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