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/*
* SPDX-License-Identifier: ISC
*
* Copyright (c) 2019-2020 Todd C. Miller <Todd.Miller@sudo.ws>
*
* 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 <stdio.h>
#include <stdlib.h>
#include <signal.h>
#include <string.h>
#include <unistd.h>
#include "sudo_compat.h"
#include "sudo_util.h"
#include "sudo_fatal.h"
sudo_dso_public int main(int argc, char *argv[]);
/*
* Note: we do not test SIGUNUSED as it may not appear in sys_sigabbrev[]
* on Linux. FreeBSD is missing SIGLWP (aka SIGTHR) in sys_signame[].
*/
static struct signal_data {
int rval;
int signo;
const char *sigstr;
const char *altstr;
} signal_data[] = {
#ifdef SIGHUP
{ 0, SIGHUP, "HUP", NULL },
#endif
#ifdef SIGINT
{ 0, SIGINT, "INT", NULL },
#endif
#ifdef SIGQUIT
{ 0, SIGQUIT, "QUIT", NULL },
#endif
#ifdef SIGILL
{ 0, SIGILL, "ILL", NULL },
#endif
#ifdef SIGTRAP
{ 0, SIGTRAP, "TRAP", NULL },
#endif
#ifdef SIGABRT
{ 0, SIGABRT, "ABRT", "IOT" },
#endif
#ifdef SIGIOT
{ 0, SIGIOT, "IOT", "ABRT" },
#endif
#ifdef SIGEMT
{ 0, SIGEMT, "EMT", NULL },
#endif
#ifdef SIGFPE
{ 0, SIGFPE, "FPE", NULL },
#endif
#ifdef SIGKILL
{ 0, SIGKILL, "KILL", NULL },
#endif
#ifdef SIGBUS
{ 0, SIGBUS, "BUS", NULL },
#endif
#ifdef SIGSEGV
{ 0, SIGSEGV, "SEGV", NULL },
#endif
#ifdef SIGSYS
{ 0, SIGSYS, "SYS", NULL },
#endif
#ifdef SIGPIPE
{ 0, SIGPIPE, "PIPE", NULL },
#endif
#ifdef SIGALRM
{ 0, SIGALRM, "ALRM", NULL },
#endif
#ifdef SIGTERM
{ 0, SIGTERM, "TERM", NULL },
#endif
#ifdef SIGSTKFLT
{ 0, SIGSTKFLT, "STKFLT", NULL },
#endif
#ifdef SIGIO
{ 0, SIGIO, "IO", "POLL"},
#endif
#ifdef SIGXCPU
{ 0, SIGXCPU, "XCPU", NULL },
#endif
#ifdef SIGXFSZ
{ 0, SIGXFSZ, "XFSZ", NULL },
#endif
#ifdef SIGVTALRM
{ 0, SIGVTALRM, "VTALRM", NULL },
#endif
#ifdef SIGPROF
{ 0, SIGPROF, "PROF", NULL },
#endif
#ifdef SIGWINCH
{ 0, SIGWINCH, "WINCH", NULL },
#endif
#ifdef SIGLOST
{ 0, SIGLOST, "LOST", NULL },
#endif
#ifdef SIGUSR1
{ 0, SIGUSR1, "USR1", NULL },
#endif
#ifdef SIGUSR2
{ 0, SIGUSR2, "USR2", NULL },
#endif
#ifdef SIGPWR
{ 0, SIGPWR, "PWR", NULL },
#endif
#ifdef SIGPOLL
{ 0, SIGPOLL, "POLL", "IO" },
#endif
#ifdef SIGSTOP
{ 0, SIGSTOP, "STOP", NULL },
#endif
#ifdef SIGTSTP
{ 0, SIGTSTP, "TSTP", NULL },
#endif
#ifdef SIGCONT
{ 0, SIGCONT, "CONT", NULL },
#endif
#ifdef SIGCHLD
{ 0, SIGCHLD, "CHLD", "CLD" },
#endif
#ifdef SIGCLD
{ 0, SIGCLD, "CLD", "CHLD" },
#endif
#ifdef SIGTTIN
{ 0, SIGTTIN, "TTIN", NULL },
#endif
#ifdef SIGTTOU
{ 0, SIGTTOU, "TTOU", NULL },
#endif
#ifdef SIGINFO
{ 0, SIGINFO, "INFO", NULL },
#endif
#ifdef SIGURG
{ 0, SIGURG, "URG", NULL },
#endif
#ifdef SIGWAITING
{ 0, SIGWAITING, "WAITING", NULL },
#endif
#if defined(SIGLWP) && !defined(__FreeBSD__)
{ 0, SIGLWP, "LWP", NULL },
#endif
#ifdef SIGFREEZE
{ 0, SIGFREEZE, "FREEZE", NULL },
#endif
#ifdef SIGTHAW
{ 0, SIGTHAW, "THAW", NULL },
#endif
#ifdef SIGCANCEL
{ 0, SIGCANCEL, "CANCEL", NULL },
#endif
#if defined(SIGRTMIN) && defined(SIGRTMAX)
{ 0, -1, "RTMIN", NULL },
{ 0, -1, "RTMIN+1", NULL },
{ 0, -1, "RTMIN+2", NULL },
{ 0, -1, "RTMIN+3", NULL },
{ 0, -1, "RTMAX-3", NULL },
{ 0, -1, "RTMAX-2", NULL },
{ 0, -1, "RTMAX-1", NULL },
{ 0, -1, "RTMAX", NULL },
#endif
{ -1, 1024, "QWERT", NULL }, /* invalid */
{ -1, 0, NULL, NULL }
};
#ifndef HAVE_SIG2STR
static int
test_sig2str(int *ntests)
{
struct signal_data *d;
int rval, errors = 0;
char sigstr[SIG2STR_MAX];
for (d = signal_data; d->signo != 0; d++) {
(*ntests)++;
rval = sudo_sig2str(d->signo, sigstr);
if (rval != d->rval) {
sudo_warnx_nodebug("FAIL: sig2str(SIG%s): %d != %d",
d->sigstr, rval, d->rval);
errors++;
continue;
}
if (rval != 0)
continue;
if (strcmp(sigstr, d->sigstr) != 0 &&
(d->altstr != NULL && strcmp(sigstr, d->altstr) != 0)) {
sudo_warnx_nodebug("FAIL: signal %d: %s != %s", d->signo,
sigstr, d->sigstr);
errors++;
continue;
}
}
return errors;
}
#else
static int
test_sig2str(int *ntests)
{
return 0;
}
#endif /* HAVE_SIG2STR */
#ifndef HAVE_STR2SIG
static int
test_str2sig(int *ntests)
{
struct signal_data *d;
int rval, errors = 0;
int signo;
for (d = signal_data; d->sigstr != NULL; d++) {
(*ntests)++;
rval = sudo_str2sig(d->sigstr, &signo);
if (rval != d->rval) {
sudo_warnx_nodebug("FAIL: str2sig(SIG%s): %d != %d",
d->sigstr, rval, d->rval);
errors++;
continue;
}
if (rval != 0)
continue;
if (signo != d->signo) {
sudo_warnx_nodebug("FAIL: signal SIG%s: %d != %d", d->sigstr,
signo, d->signo);
errors++;
continue;
}
}
return errors;
}
#else
static int
test_str2sig(int *ntests)
{
return 0;
}
#endif /* HAVE_STR2SIG */
#if defined(SIGRTMIN) && defined(SIGRTMAX)
static
void init_sigrt(void)
{
int i;
/* Initialize real-time signal values. */
for (i = 0; signal_data[i].signo != -1; i++)
continue;
signal_data[i++].signo = SIGRTMIN;
signal_data[i++].signo = SIGRTMIN + 1;
signal_data[i++].signo = SIGRTMIN + 2;
signal_data[i++].signo = SIGRTMIN + 3;
signal_data[i++].signo = SIGRTMAX - 3;
signal_data[i++].signo = SIGRTMAX - 2;
signal_data[i++].signo = SIGRTMAX - 1;
signal_data[i++].signo = SIGRTMAX;
}
#else
static
void init_sigrt(void)
{
/* No real-time signals. */
return;
}
#endif
/*
* Simple tests for sig2str() and str2sig().
*/
int
main(int argc, char *argv[])
{
int ch, errors = 0, ntests = 0;
initprogname(argc > 0 ? argv[0] : "strsig_test");
while ((ch = getopt(argc, argv, "v")) != -1) {
switch (ch) {
case 'v':
/* ignore */
break;
default:
fprintf(stderr, "usage: %s [-v]\n", getprogname());
return EXIT_FAILURE;
}
}
argc -= optind;
argv += optind;
init_sigrt();
errors += test_sig2str(&ntests);
errors += test_str2sig(&ntests);
if (ntests != 0) {
printf("%s: %d tests run, %d errors, %d%% success rate\n",
getprogname(), ntests, errors, (ntests - errors) * 100 / ntests);
}
return errors;
}
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