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483 lines
13 KiB
483 lines
13 KiB
/*
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* Copyright (C) 2009 Sourcefire, Inc.
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* Author: 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 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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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include <time.h>
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#ifdef HAVE_UNAME_SYSCALL
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#include <sys/utsname.h>
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#endif
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#include <zlib.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <dirent.h>
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#include "shared/optparser.h"
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#include "shared/misc.h"
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#include "libclamav/str.h"
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#include "libclamav/clamav.h"
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#include "libclamav/others.h"
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#include "libclamav/readdb.h"
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#include "libclamav/bytecode.h"
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#include "libclamav/bytecode_detect.h"
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#include "target.h"
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#ifndef _WIN32
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extern const struct clam_option *clam_options;
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#else
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__declspec(dllimport) extern const struct clam_option *clam_options;
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#endif
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static struct _cfgfile {
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const char *name;
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int tool;
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} cfgfile[] = {
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{ "clamd.conf", OPT_CLAMD },
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{ "freshclam.conf", OPT_FRESHCLAM },
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{ "clamav-milter.conf", OPT_MILTER },
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{ NULL, 0 }
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};
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static void printopts(struct optstruct *opts, int nondef)
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{
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const struct optstruct *opt;
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while(opts) {
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if(!opts->name) {
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opts = opts->next;
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continue;
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}
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if(clam_options[opts->idx].owner & OPT_DEPRECATED) {
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if(opts->active)
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printf("*** %s is DEPRECATED ***\n", opts->name);
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opts = opts->next;
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continue;
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}
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if(nondef && (opts->numarg == clam_options[opts->idx].numarg) && ((opts->strarg == clam_options[opts->idx].strarg) || (opts->strarg && clam_options[opts->idx].strarg && !strcmp(opts->strarg, clam_options[opts->idx].strarg)))) {
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opts = opts->next;
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continue;
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}
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if(!opts->enabled)
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printf("%s disabled\n", opts->name);
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else switch(clam_options[opts->idx].argtype) {
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case TYPE_STRING:
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printf("%s = \"%s\"", opts->name, opts->strarg);
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opt = opts;
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while((opt = opt->nextarg))
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printf(", \"%s\"", opt->strarg);
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printf("\n");
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break;
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case TYPE_NUMBER:
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case TYPE_SIZE:
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printf("%s = \"%lld\"", opts->name, opts->numarg);
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opt = opts;
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while((opt = opt->nextarg))
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printf(", \"%lld\"", opt->numarg);
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printf("\n");
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break;
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case TYPE_BOOL:
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printf("%s = \"yes\"\n", opts->name);
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break;
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default:
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printf("!!! %s: UNKNOWN INTERNAL TYPE !!!\n", opts->name);
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}
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opts = opts->next;
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}
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}
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static int printconf(const char *name)
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{
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int i, j, tool = 0, tokens_count;
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char buffer[1025];
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const char *tokens[128];
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const struct clam_option *cpt;
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for(i = 0; cfgfile[i].name; i++) {
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if(!strcmp(name, cfgfile[i].name)) {
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tool = cfgfile[i].tool;
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break;
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}
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}
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if(!tool) {
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printf("ERROR: Unknown config file\nAvailable options:");
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for(i = 0; cfgfile[i].name; i++)
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printf(" %s", cfgfile[i].name);
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printf("\n");
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return 1;
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}
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printf("##\n## %s - automatically generated by clamconf "VERSION"\n##\n", name);
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printf("\n# Comment out or remove the line below.\nExample\n");
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for(i = 0; clam_options[i].owner; i++) {
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cpt = &clam_options[i];
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if(cpt->name && (cpt->owner & tool) && !(cpt->owner & OPT_DEPRECATED) && !(cpt->flags & 4)) {
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strncpy(buffer, cpt->description, 1024);
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buffer[1024] = 0;
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tokens_count = cli_strtokenize(buffer, '\n', 128, tokens);
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printf("\n");
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for(j = 0; j < tokens_count; j++)
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printf("# %s\n", tokens[j]);
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switch(cpt->argtype) {
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case TYPE_STRING:
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if(cpt->strarg)
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printf("# Default: %s\n", cpt->strarg);
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else
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printf("# Default: disabled\n");
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break;
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case TYPE_NUMBER:
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if(cpt->numarg != -1)
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printf("# Default: %lld\n", cpt->numarg);
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else
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printf("# Default: disabled\n");
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break;
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case TYPE_SIZE:
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printf("# You may use 'M' or 'm' for megabytes (1M = 1m = 1048576 bytes)\n# and 'K' or 'k' for kilobytes (1K = 1k = 1024 bytes). To specify the size\n# in bytes just don't use modifiers.\n");
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if(cpt->numarg != -1)
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printf("# Default: %lld\n", cpt->numarg);
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else
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printf("# Default: disabled\n");
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break;
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case TYPE_BOOL:
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if(cpt->numarg != -1)
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printf("# Default: %s\n", cpt->numarg ? "yes" : "no");
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else
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printf("# Default: disabled\n");
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break;
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default:
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printf("!!! %s: UNKNOWN INTERNAL TYPE !!!\n", cpt->name);
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}
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if(cpt->suggested && strchr(cpt->suggested, '\n')) {
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strncpy(buffer, cpt->suggested, 1024);
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buffer[1024] = 0;
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tokens_count = cli_strtokenize(buffer, '\n', 128, tokens);
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for(j = 0; j < tokens_count; j++)
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printf("#%s %s\n", cpt->name, tokens[j]);
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} else {
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printf("#%s %s\n", cpt->name, cpt->suggested ? cpt->suggested : "ARG");
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}
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}
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}
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return 0;
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}
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static void help(void)
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{
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printf("\n");
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printf(" Clam AntiVirus: Configuration Tool %s\n", get_version());
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printf(" By The ClamAV Team: http://www.clamav.net/team\n");
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printf(" (C) 2009 Sourcefire, Inc.\n\n");
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printf(" --help -h Show help\n");
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printf(" --version -V Show version\n");
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printf(" --config-dir=DIR -c DIR Read configuration files from DIR\n");
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printf(" --non-default -n Only display non-default settings\n");
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printf(" --generate-config=NAME -g NAME Generate example config file\n");
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printf("\n");
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return;
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}
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static void print_platform(struct cli_environment *env)
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{
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printf("\nPlatform information\n--------------------\n");
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printf("uname: %s %s %s %s\n",
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env->sysname, env->release, env->version, env->machine);
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printf("OS: "TARGET_OS_TYPE", ARCH: "TARGET_ARCH_TYPE", CPU: "TARGET_CPU_TYPE"\n");
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#ifdef C_LINUX
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if (!access("/usr/bin/lsb_release", X_OK)) {
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fputs("Full OS version: ", stdout);
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fflush(stdout);
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if (system("/usr/bin/lsb_release -d -s") == -1) {
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perror("failed to determine");
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}
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}
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#else
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/* e.g. Solaris */
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if (!access("/etc/release", R_OK)) {
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char buf[1024];
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FILE *f = fopen("/etc/release", "r");
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if (f) {
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fgets(buf, sizeof(buf), f);
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printf("Full OS version: %s", buf);
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fclose(f);
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}
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}
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#endif
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if (strcmp(ZLIB_VERSION, zlibVersion()))
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printf("WARNING: zlib version mismatch: %s (%s)\n", ZLIB_VERSION, zlibVersion());
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#ifdef ZLIB_VERNUM
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printf("zlib version: %s (%s), compile flags: %02lx\n",
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ZLIB_VERSION, zlibVersion(), zlibCompileFlags());
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#else
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/* old zlib w/o zlibCompileFlags() */
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printf("zlib version: %s (%s)\n",
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ZLIB_VERSION, zlibVersion());
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#endif
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if (env->triple[0])
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printf("Triple: %s\n", env->triple);
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if (env->cpu[0])
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printf("CPU: %s, %s\n", env->cpu, env->big_endian ? "Big-endian" : "Little-endian");
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printf("platform id: 0x%08x%08x%08x\n",
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env->platform_id_a,
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env->platform_id_b,
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env->platform_id_c);
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}
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static void print_build(struct cli_environment *env)
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{
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const char *name;
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const char *version = NULL;
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printf("\nBuild information\n-----------------\n");
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/* Try to print information about some commonly used compilers */
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#ifdef __GNUC__
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version = __VERSION__;
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#endif
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switch (env->compiler) {
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case compiler_gnuc:
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name = "GNU C";
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break;
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case compiler_clang:
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name = "Clang";
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break;
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case compiler_llvm:
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name = "LLVM-GCC";
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break;
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case compiler_intel:
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name = "Intel Compiler";
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break;
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case compiler_msc:
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name = "Microsoft Visual C++";
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break;
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case compiler_sun:
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name = "Sun studio";
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break;
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default:
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name = NULL;
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}
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if (name)
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printf("%s: %s%s(%u.%u.%u)\n", name,
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version ? version : "",
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version ? " " : "",
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env->c_version >> 16,
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(env->c_version >> 8)&0xff,
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(env->c_version)&0xff);
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cli_printcxxver();
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#if defined(BUILD_CPPFLAGS) && defined(BUILD_CFLAGS) && defined(BUILD_CXXFLAGS) && defined(BUILD_LDFLAGS) && defined(BUILD_CONFIGURE_FLAGS)
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printf("CPPFLAGS: %s\nCFLAGS: %s\nCXXFLAGS: %s\nLDFLAGS: %s\nConfigure: %s\n",
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BUILD_CPPFLAGS, BUILD_CFLAGS, BUILD_CXXFLAGS, BUILD_LDFLAGS,
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BUILD_CONFIGURE_FLAGS);
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#endif
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printf("sizeof(void*) = %d\n", env->sizeof_ptr);
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printf("Engine flevel: %d, dconf: %d\n",
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env->functionality_level,
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env->dconf_level);
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}
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static void print_dbs(const char *dir)
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{
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DIR *dd;
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struct dirent *dent;
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char *dbfile;
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unsigned int flevel = cl_retflevel(), cnt, sigs = 0;
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struct cl_cvd *cvd;
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if((dd = opendir(dir)) == NULL) {
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printf("print_dbs: Can't open directory %s\n", dir);
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return;
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}
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while((dent = readdir(dd))) {
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if(dent->d_ino) {
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if(CLI_DBEXT(dent->d_name)) {
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dbfile = (char *) malloc(strlen(dent->d_name) + strlen(dir) + 2);
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if(!dbfile) {
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printf("print_dbs: Can't allocate memory for dbfile\n");
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return;
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}
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sprintf(dbfile, "%s"PATHSEP"%s", dir, dent->d_name);
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if(cli_strbcasestr(dbfile, ".cvd") || cli_strbcasestr(dbfile, ".cld")) {
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cvd = cl_cvdhead(dbfile);
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if(!cvd) {
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printf("%s: Can't get information about the database\n", dbfile);
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} else {
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const time_t t = cvd->stime;
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printf("%s: version %u, sigs: %u, built on %s", dent->d_name, cvd->version, cvd->sigs, ctime(&t));
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sigs += cvd->sigs;
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if(cvd->fl > flevel)
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printf("%s: WARNING: This database requires f-level %u (current f-level: %u)\n", dent->d_name, cvd->fl, flevel);
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cl_cvdfree(cvd);
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}
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} else if(cli_strbcasestr(dbfile, ".cbc")) {
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printf("[3rd Party] %s: bytecode\n", dent->d_name);
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sigs++;
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} else {
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cnt = countlines(dbfile);
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printf("[3rd Party] %s: %u sig%c\n", dent->d_name, cnt, cnt > 1 ? 's' : ' ');
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sigs += cnt;
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}
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free(dbfile);
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}
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}
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}
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closedir(dd);
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printf("Total number of signatures: %u\n", sigs);
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}
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int main(int argc, char **argv)
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{
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const char *dir;
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char path[512], dbdir[512], clamd_dbdir[512], *pt;
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struct optstruct *opts, *toolopts;
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const struct optstruct *opt;
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unsigned int i, j;
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struct cli_environment env;
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opts = optparse(NULL, argc, argv, 1, OPT_CLAMCONF, 0, NULL);
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if(!opts) {
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printf("ERROR: Can't parse command line options\n");
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return 1;
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}
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if(optget(opts, "help")->enabled) {
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help();
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optfree(opts);
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return 0;
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}
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if(optget(opts, "version")->enabled) {
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printf("Clam AntiVirus Configuration Tool %s\n", get_version());
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optfree(opts);
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return 0;
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}
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if((opt = optget(opts, "generate-config"))->enabled) {
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printconf(opt->strarg);
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optfree(opts);
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return 0;
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}
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dbdir[0] = 0;
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dir = optget(opts, "config-dir")->strarg;
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printf("Checking configuration files in %s\n", dir);
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for(i = 0; cfgfile[i].name; i++) {
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snprintf(path, sizeof(path), "%s"PATHSEP"%s", dir, cfgfile[i].name);
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path[511] = 0;
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if(access(path, R_OK)) {
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printf("\n%s not found\n", cfgfile[i].name);
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continue;
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}
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printf("\nConfig file: %s\n", cfgfile[i].name);
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for(j = 0; j < strlen(cfgfile[i].name) + 13; j++)
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printf("-");
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printf("\n");
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toolopts = optparse(path, 0, NULL, 1, cfgfile[i].tool | OPT_DEPRECATED, 0, NULL);
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if(!toolopts)
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continue;
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printopts(toolopts, optget(opts, "non-default")->enabled);
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if(cfgfile[i].tool == OPT_FRESHCLAM) {
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opt = optget(toolopts, "DatabaseDirectory");
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strncpy(dbdir, opt->strarg, sizeof(dbdir));
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dbdir[sizeof(dbdir) - 1] = 0;
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} else if(cfgfile[i].tool == OPT_CLAMD) {
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opt = optget(toolopts, "DatabaseDirectory");
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strncpy(clamd_dbdir, opt->strarg, sizeof(clamd_dbdir));
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clamd_dbdir[sizeof(clamd_dbdir) - 1] = 0;
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}
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optfree(toolopts);
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}
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optfree(opts);
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printf("\nSoftware settings\n-----------------\n");
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printf("Version: %s\n", cl_retver());
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if(strcmp(cl_retver(), get_version()))
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printf("WARNING: Version mismatch: libclamav=%s, clamconf=%s\n", cl_retver(), get_version());
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cl_init(CL_INIT_DEFAULT);
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printf("Optional features supported: ");
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#ifdef USE_MPOOL
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printf("MEMPOOL ");
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#endif
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#ifdef SUPPORT_IPv6
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printf("IPv6 ");
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#endif
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#ifdef CLAMUKO
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printf("CLAMUKO ");
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#endif
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#ifdef C_BIGSTACK
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printf("BIGSTACK ");
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#endif
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#ifdef FRESHCLAM_DNS_FIX
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printf("FRESHCLAM_DNS_FIX ");
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#endif
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#ifdef FPU_WORDS_BIGENDIAN
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printf("AUTOIT_EA06 ");
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#endif
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#ifdef HAVE_BZLIB_H
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printf("BZIP2 ");
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#endif
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if(have_rar)
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printf("RAR ");
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if (have_clamjit)
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printf("JIT");
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printf("\n");
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if(!strlen(dbdir)) {
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pt = freshdbdir();
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if(pt) {
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strncpy(dbdir, pt, sizeof(dbdir));
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free(pt);
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} else {
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strncpy(dbdir, DATADIR, sizeof(dbdir));
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}
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dbdir[sizeof(dbdir) - 1] = 0;
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}
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printf("\nDatabase information\n--------------------\n");
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printf("Database directory: %s\n", dbdir);
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if(strcmp(dbdir, clamd_dbdir))
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printf("WARNING: freshclam.conf and clamd.conf point to different database directories\n");
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print_dbs(dbdir);
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cli_detect_environment(&env);
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print_platform(&env);
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print_build(&env);
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return 0;
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}
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