/* * SPDX-License-Identifier: ISC * * Copyright (c) 2019-2020 Todd C. Miller * * 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 #include #include #include #include #include #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; }