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/*
* Copyright (C) 2015 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
* Copyright (C) 2009 Sourcefire, Inc.
*
* Author: aCaB
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* 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.
*/
#if HAVE_CONFIG_H
#include "clamav-config.h"
#endif
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <fcntl.h>
#include <errno.h>
#include <libgen.h>
#include "libclamav/clamav.h"
#include "shared/optparser.h"
#include "shared/output.h"
#include "shared/misc.h"
#include "shared/actions.h"
void (*action)(const char *) = NULL;
unsigned int notmoved = 0, notremoved = 0;
static char *actarget;
static int targlen;
static int getdest(const char *fullpath, char **newname) {
char *tmps, *filename;
int fd, i;
tmps = strdup(fullpath);
if(!tmps) {
*newname=NULL;
return -1;
}
filename = basename(tmps);
if(!(*newname = (char *)malloc(targlen + strlen(filename) + 6))) {
free(tmps);
return -1;
}
sprintf(*newname, "%s"PATHSEP"%s", actarget, filename);
for(i=1; i<1000; i++) {
fd = open(*newname, O_WRONLY | O_CREAT | O_EXCL, 0600);
if(fd >= 0) {
free(tmps);
return fd;
}
if(errno != EEXIST) break;
sprintf(*newname, "%s"PATHSEP"%s.%03u", actarget, filename, i);
}
free(tmps);
free(*newname);
*newname = NULL;
return -1;
}
static void action_move(const char *filename) {
char *nuname;
int fd = getdest(filename, &nuname), copied = 0;
if(fd<0 || (rename(filename, nuname) && (copied=1) && filecopy(filename, nuname))) {
logg("!Can't move file %s\n", filename);
notmoved++;
if(nuname) unlink(nuname);
} else {
if(copied && unlink(filename))
logg("!Can't unlink '%s': %s\n", filename, strerror(errno));
else
logg("~%s: moved to '%s'\n", filename, nuname);
}
if(fd>=0) close(fd);
if(nuname) free(nuname);
}
static void action_copy(const char *filename) {
char *nuname;
int fd = getdest(filename, &nuname);
if(fd < 0 || filecopy(filename, nuname)) {
logg("!Can't copy file '%s'\n", filename);
notmoved++;
if(nuname) unlink(nuname);
} else
logg("~%s: copied to '%s'\n", filename, nuname);
if(fd>=0) close(fd);
if(nuname) free(nuname);
}
static void action_remove(const char *filename) {
if(unlink(filename)) {
logg("!Can't remove file '%s'.\n", filename);
notremoved++;
} else {
logg("~%s: Removed.\n", filename);
}
}
static int isdir(void) {
STATBUF sb;
if(CLAMSTAT(actarget, &sb) || !S_ISDIR(sb.st_mode)) {
logg("!'%s' doesn't exist or is not a directory\n", actarget);
return 0;
}
return 1;
}
int actsetup(const struct optstruct *opts) {
int move = optget(opts, "move")->enabled;
if(move || optget(opts, "copy")->enabled) {
actarget = optget(opts, move ? "move" : "copy")->strarg;
if(!isdir()) return 1;
action = move ? action_move : action_copy;
targlen = strlen(actarget);
} else if(optget(opts, "remove")->enabled)
action = action_remove;
return 0;
}
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