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/*
* Copyright (c) 1997-2002 Red Hat, Inc. All rights reserved.
*
* 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.
*
*/
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
/* this will be running setgid root, so be careful! */
static void
usage(void) {
fprintf(stderr, "usage: netreport [-r]\n");
exit(1);
}
#define ADD 1
#define DEL 0
int main(int argc, char ** argv) {
int action = ADD;
/* more than long enough for "/run/netreport/<pid>\0" */
char netreport_name[64];
int netreport_file;
if (argc > 2) {
usage();
}
if (argc > 1) {
if (argc == 2 && strcmp(argv[1], "-r") == 0) {
action = DEL;
} else {
usage();
}
}
snprintf(netreport_name, sizeof(netreport_name),
"/run/netreport/%d", getppid());
if (action == ADD) {
netreport_file = open(netreport_name,
O_EXCL|O_CREAT|O_WRONLY|O_TRUNC|O_NOFOLLOW, 0);
if (netreport_file == -1) {
if (errno != EEXIST) {
perror("Could not create netreport file");
exit (1);
}
} else {
close(netreport_file);
}
} else {
/* ignore errors; not much we can do, won't hurt anything */
unlink(netreport_name);
}
return 0;
}
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