/*
* Copyright (c) 2011-2013 Todd C. Miller <Todd.Miller@courtesan.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <config.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <stdio.h>
#ifdef STDC_HEADERS
# include <stdlib.h>
# include <stddef.h>
#else
# ifdef HAVE_STDLIB_H
# include <stdlib.h>
# endif
#endif /* STDC_HEADERS */
#include <stdarg.h>
#ifdef HAVE_STRING_H
# include <string.h>
#endif /* HAVE_STRING_H */
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif /* HAVE_STRINGS_H */
#include <ctype.h>
#include <errno.h>
#include <grp.h>
#include <pwd.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#define SUDO_ERROR_WRAP 0
#include "sudoers.h"
#include "parse.h"
#include "interfaces.h"
__dso_public int main(int argc, char *argv[]);
static int
check_addr(char *input)
{
int expected, matched;
size_t len;
char *cp;
while (isspace((unsigned char)*input))
input++;
/* input: "addr[/mask] 1/0" */
len = strcspn(input, " \t");
cp = input + len;
while (isspace((unsigned char)*cp))
cp++;
expected = atoi(cp);
input[len] = '\0';
matched = addr_matches(input);
if (matched != expected) {
warningx("%s %smatched: FAIL", input, matched ? "" : "not ");
return 1;
}
return 0;
}
static void
usage(void)
{
fprintf(stderr, "usage: check_addr datafile\n");
exit(1);
}
int
main(int argc, char *argv[])
{
int ntests = 0, errors = 0;
char *cp, line[2048];
size_t len;
FILE *fp;
#if !defined(HAVE_GETPROGNAME) && !defined(HAVE___PROGNAME)
setprogname(argc > 0 ? argv[0] : "check_addr");
#endif
if (argc != 2)
usage();
fp = fopen(argv[1], "r");
if (fp == NULL)
fatalx("unable to open %s", argv[1]);
/*
* Input is in the following format. There are two types of
* lines: interfaces, which sets the address and mask of the
* locally connected ethernet interfaces for the lines that
* follow and, address lines that include and address (with
* optional netmask) to match, followed by expected match status
* (1 or 0). E.g.
*
* interfaces: addr1/mask addr2/mask ...
* address: addr[/mask] 1/0
* address: addr[/mask] 1/0
* interfaces: addr3/mask addr4/mask ...
* address: addr[/mask] 1/0
*/
while (fgets(line, sizeof(line), fp) != NULL) {
len = strcspn(line, "\n");
line[len] = '\0';
/* Ignore comments */
if ((cp = strchr(line, '#')) != NULL)
*cp = '\0';
/* Skip blank lines. */
if (line[0] == '\0')
continue;
if (strncmp(line, "interfaces:", sizeof("interfaces:") - 1) == 0) {
set_interfaces(line + sizeof("interfaces:") - 1);
} else if (strncmp(line, "address:", sizeof("address:") - 1) == 0) {
errors += check_addr(line + sizeof("address:") - 1);
ntests++;
} else {
warningx("unexpected data line: %s\n", line);
continue;
}
}
printf("check_addr: %d tests run, %d errors, %d%% success rate\n",
ntests, errors, (ntests - errors) * 100 / ntests);
exit(errors);
}
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