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/*
* Copyright (C) 2015 Canonical Ltd.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License published by the Free Software Foundation.
*/
#include <errno.h>
#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <libintl.h>
#define _(s) gettext(s)
#include <sys/apparmor.h>
void print_help(const char *command)
{
printf(_("%s: [options]\n"
" options:\n"
" -x | --exclusive Shared interfaces must be available\n"
" -q | --quiet Don't print out any messages\n"
" -h | --help Print help\n"),
command);
exit(1);
}
/* Exit statuses and meanings are documented in the aa-enabled.pod file */
static void exit_with_error(int saved_errno, int quiet)
{
switch(saved_errno) {
case ENOSYS:
if (!quiet)
printf(_("No - not available on this system.\n"));
exit(1);
case ECANCELED:
if (!quiet)
printf(_("No - disabled at boot.\n"));
exit(1);
case ENOENT:
if (!quiet)
printf(_("Maybe - policy interface not available.\n"));
exit(3);
case EPERM:
case EACCES:
if (!quiet)
printf(_("Maybe - insufficient permissions to determine availability.\n"));
exit(4);
case EBUSY:
if (!quiet)
printf(_("Partially - public shared interfaces are not available.\n"));
exit(10);
}
if (!quiet)
printf(_("Error - %s\n"), strerror(saved_errno));
exit(64);
}
int main(int argc, char **argv)
{
int i, enabled;
int quiet = 0;
int require_shared = 0;
setlocale(LC_MESSAGES, "");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
if (argc > 3) {
printf(_("unknown or incompatible options\n"));
print_help(argv[0]);
}
for (i = 1; i < argc; i++) {
if (strcmp(argv[i], "--quiet") == 0 ||
strcmp(argv[i], "-q") == 0) {
quiet = 1;
} else if (strcmp(argv[i], "--exclusive") == 0 ||
strcmp(argv[i], "-x") == 0) {
require_shared = 1;
} else if (strcmp(argv[i], "--help") == 0 ||
strcmp(argv[i], "-h") == 0) {
print_help(argv[0]);
} else {
printf(_("unknown option '%s'\n"), argv[1]);
print_help(argv[0]);
}
}
enabled = aa_is_enabled();
if (!enabled) {
if (require_shared || errno != EBUSY)
exit_with_error(errno, quiet);
}
if (!quiet)
printf(_("Yes\n"));
exit(0);
}
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