471a0d47ae
2016-09-19 Andrew Stubbs <ams@codesourcery.com> libiberty/ * pex-win32.c (argv_to_cmdline): Quote zero-length parameters. libiberty/testsuite/ * test-pexecute.c (main): Insert check for zero-length parameters. From-SVN: r240229
537 lines
14 KiB
C
537 lines
14 KiB
C
/* Pexecute test program,
|
|
Copyright (C) 2005 Free Software Foundation, Inc.
|
|
Written by Ian Lance Taylor <ian@airs.com>.
|
|
|
|
This file is part of GNU libiberty.
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
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.
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
#include "ansidecl.h"
|
|
#include "libiberty.h"
|
|
#include <stdio.h>
|
|
#include <signal.h>
|
|
#include <errno.h>
|
|
#ifdef HAVE_STRING_H
|
|
#include <string.h>
|
|
#endif
|
|
#include <sys/types.h>
|
|
#ifdef HAVE_STDLIB_H
|
|
#include <stdlib.h>
|
|
#endif
|
|
#ifdef HAVE_UNISTD_H
|
|
#include <unistd.h>
|
|
#endif
|
|
#ifdef HAVE_SYS_WAIT_H
|
|
#include <sys/wait.h>
|
|
#endif
|
|
#ifdef HAVE_SYS_TIME_H
|
|
#include <sys/time.h>
|
|
#endif
|
|
#ifdef HAVE_SYS_RESOURCE_H
|
|
#include <sys/resource.h>
|
|
#endif
|
|
|
|
#ifndef WIFSIGNALED
|
|
#define WIFSIGNALED(S) (((S) & 0xff) != 0 && ((S) & 0xff) != 0x7f)
|
|
#endif
|
|
#ifndef WTERMSIG
|
|
#define WTERMSIG(S) ((S) & 0x7f)
|
|
#endif
|
|
#ifndef WIFEXITED
|
|
#define WIFEXITED(S) (((S) & 0xff) == 0)
|
|
#endif
|
|
#ifndef WEXITSTATUS
|
|
#define WEXITSTATUS(S) (((S) & 0xff00) >> 8)
|
|
#endif
|
|
#ifndef WSTOPSIG
|
|
#define WSTOPSIG WEXITSTATUS
|
|
#endif
|
|
#ifndef WCOREDUMP
|
|
#define WCOREDUMP(S) ((S) & WCOREFLG)
|
|
#endif
|
|
#ifndef WCOREFLG
|
|
#define WCOREFLG 0200
|
|
#endif
|
|
|
|
#ifndef EXIT_SUCCESS
|
|
#define EXIT_SUCCESS 0
|
|
#endif
|
|
|
|
#ifndef EXIT_FAILURE
|
|
#define EXIT_FAILURE 1
|
|
#endif
|
|
|
|
/* When this program is run with no arguments, it runs some tests of
|
|
the libiberty pexecute functions. As a test program, it simply
|
|
invokes itself with various arguments.
|
|
|
|
argv[1]:
|
|
*empty string* Run tests, exit with success status
|
|
exit Exit success
|
|
error Exit error
|
|
abort Abort
|
|
echo Echo remaining arguments, exit success
|
|
echoerr Echo next arg to stdout, next to stderr, repeat
|
|
copy Copy stdin to stdout
|
|
write Write stdin to file named in next argument
|
|
*/
|
|
|
|
static void fatal_error (int, const char *, int) ATTRIBUTE_NORETURN;
|
|
static void error (int, const char *);
|
|
static void check_line (int, FILE *, const char *);
|
|
static void do_cmd (int, char **) ATTRIBUTE_NORETURN;
|
|
|
|
/* The number of errors we have seen. */
|
|
|
|
static int error_count;
|
|
|
|
/* Print a fatal error and exit. LINE is the line number where we
|
|
detected the error, ERRMSG is the error message to print, and ERR
|
|
is 0 or an errno value to print. */
|
|
|
|
static void
|
|
fatal_error (int line, const char *errmsg, int err)
|
|
{
|
|
fprintf (stderr, "test-pexecute:%d: %s", line, errmsg);
|
|
if (errno != 0)
|
|
fprintf (stderr, ": %s", xstrerror (err));
|
|
fprintf (stderr, "\n");
|
|
exit (EXIT_FAILURE);
|
|
}
|
|
|
|
#define FATAL_ERROR(ERRMSG, ERR) fatal_error (__LINE__, ERRMSG, ERR)
|
|
|
|
/* Print an error message and bump the error count. LINE is the line
|
|
number where we detected the error, ERRMSG is the error to
|
|
print. */
|
|
|
|
static void
|
|
error (int line, const char *errmsg)
|
|
{
|
|
fprintf (stderr, "test-pexecute:%d: %s\n", line, errmsg);
|
|
++error_count;
|
|
}
|
|
|
|
#define ERROR(ERRMSG) error (__LINE__, ERRMSG)
|
|
|
|
/* Check a line in a file. */
|
|
|
|
static void
|
|
check_line (int line, FILE *e, const char *str)
|
|
{
|
|
const char *p;
|
|
int c;
|
|
char buf[1000];
|
|
|
|
p = str;
|
|
while (1)
|
|
{
|
|
c = getc (e);
|
|
|
|
if (*p == '\0')
|
|
{
|
|
if (c != '\n')
|
|
{
|
|
snprintf (buf, sizeof buf, "got '%c' when expecting newline", c);
|
|
fatal_error (line, buf, 0);
|
|
}
|
|
c = getc (e);
|
|
if (c != EOF)
|
|
{
|
|
snprintf (buf, sizeof buf, "got '%c' when expecting EOF", c);
|
|
fatal_error (line, buf, 0);
|
|
}
|
|
return;
|
|
}
|
|
|
|
if (c != *p)
|
|
{
|
|
snprintf (buf, sizeof buf, "expected '%c', got '%c'", *p, c);
|
|
fatal_error (line, buf, 0);
|
|
}
|
|
|
|
++p;
|
|
}
|
|
}
|
|
|
|
#define CHECK_LINE(E, STR) check_line (__LINE__, E, STR)
|
|
|
|
/* Main function for the pexecute tester. Run the tests. */
|
|
|
|
int
|
|
main (int argc, char **argv)
|
|
{
|
|
int trace;
|
|
struct pex_obj *test_pex_tmp;
|
|
int test_pex_status;
|
|
FILE *test_pex_file;
|
|
struct pex_obj *pex1;
|
|
char *subargv[10];
|
|
int status;
|
|
FILE *e;
|
|
int statuses[10];
|
|
|
|
trace = 0;
|
|
if (argc > 1 && strcmp (argv[1], "-t") == 0)
|
|
{
|
|
trace = 1;
|
|
--argc;
|
|
++argv;
|
|
}
|
|
|
|
if (argc > 1)
|
|
do_cmd (argc, argv);
|
|
|
|
#define TEST_PEX_INIT(FLAGS, TEMPBASE) \
|
|
(((test_pex_tmp = pex_init (FLAGS, "test-pexecute", TEMPBASE)) \
|
|
!= NULL) \
|
|
? test_pex_tmp \
|
|
: (FATAL_ERROR ("pex_init failed", 0), NULL))
|
|
|
|
#define TEST_PEX_RUN(PEXOBJ, FLAGS, EXECUTABLE, ARGV, OUTNAME, ERRNAME) \
|
|
do \
|
|
{ \
|
|
int err; \
|
|
const char *pex_run_err; \
|
|
if (trace) \
|
|
fprintf (stderr, "Line %d: running %s %s\n", \
|
|
__LINE__, EXECUTABLE, ARGV[0]); \
|
|
pex_run_err = pex_run (PEXOBJ, FLAGS, EXECUTABLE, ARGV, OUTNAME, \
|
|
ERRNAME, &err); \
|
|
if (pex_run_err != NULL) \
|
|
FATAL_ERROR (pex_run_err, err); \
|
|
} \
|
|
while (0)
|
|
|
|
#define TEST_PEX_GET_STATUS_1(PEXOBJ) \
|
|
(pex_get_status (PEXOBJ, 1, &test_pex_status) \
|
|
? test_pex_status \
|
|
: (FATAL_ERROR ("pex_get_status failed", errno), 1))
|
|
|
|
#define TEST_PEX_GET_STATUS(PEXOBJ, COUNT, VECTOR) \
|
|
do \
|
|
{ \
|
|
if (!pex_get_status (PEXOBJ, COUNT, VECTOR)) \
|
|
FATAL_ERROR ("pex_get_status failed", errno); \
|
|
} \
|
|
while (0)
|
|
|
|
#define TEST_PEX_READ_OUTPUT(PEXOBJ) \
|
|
((test_pex_file = pex_read_output (PEXOBJ, 0)) != NULL \
|
|
? test_pex_file \
|
|
: (FATAL_ERROR ("pex_read_output failed", errno), NULL))
|
|
|
|
remove ("temp.x");
|
|
remove ("temp.y");
|
|
|
|
memset (subargv, 0, sizeof subargv);
|
|
|
|
subargv[0] = "./test-pexecute";
|
|
|
|
pex1 = TEST_PEX_INIT (PEX_USE_PIPES, NULL);
|
|
subargv[1] = "exit";
|
|
subargv[2] = NULL;
|
|
TEST_PEX_RUN (pex1, PEX_LAST, "./test-pexecute", subargv, NULL, NULL);
|
|
status = TEST_PEX_GET_STATUS_1 (pex1);
|
|
if (!WIFEXITED (status) || WEXITSTATUS (status) != EXIT_SUCCESS)
|
|
ERROR ("exit failed");
|
|
pex_free (pex1);
|
|
|
|
pex1 = TEST_PEX_INIT (PEX_USE_PIPES, NULL);
|
|
subargv[1] = "error";
|
|
subargv[2] = NULL;
|
|
TEST_PEX_RUN (pex1, PEX_LAST, "./test-pexecute", subargv, NULL, NULL);
|
|
status = TEST_PEX_GET_STATUS_1 (pex1);
|
|
if (!WIFEXITED (status) || WEXITSTATUS (status) != EXIT_FAILURE)
|
|
ERROR ("error test failed");
|
|
pex_free (pex1);
|
|
|
|
/* We redirect stderr to a file to avoid an error message which is
|
|
printed on mingw32 when the child calls abort. */
|
|
pex1 = TEST_PEX_INIT (PEX_USE_PIPES, NULL);
|
|
subargv[1] = "abort";
|
|
subargv[2] = NULL;
|
|
TEST_PEX_RUN (pex1, PEX_LAST, "./test-pexecute", subargv, NULL, "temp.z");
|
|
status = TEST_PEX_GET_STATUS_1 (pex1);
|
|
if (!WIFSIGNALED (status) || WTERMSIG (status) != SIGABRT)
|
|
ERROR ("abort failed");
|
|
pex_free (pex1);
|
|
remove ("temp.z");
|
|
|
|
pex1 = TEST_PEX_INIT (PEX_USE_PIPES, "temp");
|
|
subargv[1] = "echo";
|
|
subargv[2] = "foo";
|
|
subargv[3] = NULL;
|
|
TEST_PEX_RUN (pex1, 0, "./test-pexecute", subargv, NULL, NULL);
|
|
e = TEST_PEX_READ_OUTPUT (pex1);
|
|
CHECK_LINE (e, "foo");
|
|
if (TEST_PEX_GET_STATUS_1 (pex1) != 0)
|
|
ERROR ("echo exit status failed");
|
|
pex_free (pex1);
|
|
|
|
/* Check empty parameters don't get lost. */
|
|
pex1 = TEST_PEX_INIT (PEX_USE_PIPES, "temp");
|
|
subargv[1] = "echo";
|
|
subargv[2] = "foo";
|
|
subargv[3] = "";
|
|
subargv[4] = "bar";
|
|
subargv[5] = NULL;
|
|
TEST_PEX_RUN (pex1, 0, "./test-pexecute", subargv, NULL, NULL);
|
|
e = TEST_PEX_READ_OUTPUT (pex1);
|
|
CHECK_LINE (e, "foo bar"); /* Two spaces! */
|
|
if (TEST_PEX_GET_STATUS_1 (pex1) != 0)
|
|
ERROR ("echo exit status failed");
|
|
pex_free (pex1);
|
|
|
|
pex1 = TEST_PEX_INIT (PEX_USE_PIPES, "temp");
|
|
subargv[1] = "echo";
|
|
subargv[2] = "bar";
|
|
subargv[3] = NULL;
|
|
TEST_PEX_RUN (pex1, PEX_SUFFIX, "./test-pexecute", subargv, ".x", NULL);
|
|
subargv[1] = "copy";
|
|
subargv[2] = NULL;
|
|
TEST_PEX_RUN (pex1, PEX_SUFFIX, "./test-pexecute", subargv, ".y", NULL);
|
|
e = TEST_PEX_READ_OUTPUT (pex1);
|
|
CHECK_LINE (e, "bar");
|
|
TEST_PEX_GET_STATUS (pex1, 2, statuses);
|
|
if (!WIFEXITED (statuses[0]) || WEXITSTATUS (statuses[0]) != EXIT_SUCCESS
|
|
|| !WIFEXITED (statuses[1]) || WEXITSTATUS (statuses[1]) != EXIT_SUCCESS)
|
|
ERROR ("copy exit status failed");
|
|
pex_free (pex1);
|
|
if (fopen ("temp.x", "r") != NULL || fopen ("temp.y", "r") != NULL)
|
|
ERROR ("temporary files exist");
|
|
|
|
pex1 = TEST_PEX_INIT (0, "temp");
|
|
subargv[1] = "echo";
|
|
subargv[2] = "bar";
|
|
subargv[3] = NULL;
|
|
TEST_PEX_RUN (pex1, PEX_SUFFIX, "./test-pexecute", subargv, ".x", NULL);
|
|
subargv[1] = "copy";
|
|
subargv[2] = NULL;
|
|
TEST_PEX_RUN (pex1, PEX_SUFFIX, "./test-pexecute", subargv, ".y", NULL);
|
|
e = TEST_PEX_READ_OUTPUT (pex1);
|
|
CHECK_LINE (e, "bar");
|
|
TEST_PEX_GET_STATUS (pex1, 2, statuses);
|
|
if (!WIFEXITED (statuses[0]) || WEXITSTATUS (statuses[0]) != EXIT_SUCCESS
|
|
|| !WIFEXITED (statuses[1]) || WEXITSTATUS (statuses[1]) != EXIT_SUCCESS)
|
|
ERROR ("copy exit status failed");
|
|
pex_free (pex1);
|
|
if (fopen ("temp.x", "r") != NULL || fopen ("temp.y", "r") != NULL)
|
|
ERROR ("temporary files exist");
|
|
|
|
pex1 = TEST_PEX_INIT (PEX_SAVE_TEMPS, "temp");
|
|
subargv[1] = "echo";
|
|
subargv[2] = "quux";
|
|
subargv[3] = NULL;
|
|
TEST_PEX_RUN (pex1, PEX_SUFFIX, "./test-pexecute", subargv, ".x", NULL);
|
|
subargv[1] = "copy";
|
|
subargv[2] = NULL;
|
|
TEST_PEX_RUN (pex1, PEX_SUFFIX, "./test-pexecute", subargv, ".y", NULL);
|
|
e = TEST_PEX_READ_OUTPUT (pex1);
|
|
CHECK_LINE (e, "quux");
|
|
TEST_PEX_GET_STATUS (pex1, 2, statuses);
|
|
if (!WIFEXITED (statuses[0]) || WEXITSTATUS (statuses[0]) != EXIT_SUCCESS
|
|
|| !WIFEXITED (statuses[1]) || WEXITSTATUS (statuses[1]) != EXIT_SUCCESS)
|
|
ERROR ("copy temp exit status failed");
|
|
e = fopen ("temp.x", "r");
|
|
if (e == NULL)
|
|
FATAL_ERROR ("fopen temp.x failed in copy temp", errno);
|
|
CHECK_LINE (e, "quux");
|
|
fclose (e);
|
|
e = fopen ("temp.y", "r");
|
|
if (e == NULL)
|
|
FATAL_ERROR ("fopen temp.y failed in copy temp", errno);
|
|
CHECK_LINE (e, "quux");
|
|
fclose (e);
|
|
pex_free (pex1);
|
|
remove ("temp.x");
|
|
remove ("temp.y");
|
|
|
|
pex1 = TEST_PEX_INIT (PEX_USE_PIPES, "temp");
|
|
subargv[1] = "echoerr";
|
|
subargv[2] = "one";
|
|
subargv[3] = "two";
|
|
subargv[4] = NULL;
|
|
TEST_PEX_RUN (pex1, PEX_SUFFIX, "./test-pexecute", subargv, ".x", "temp2.x");
|
|
subargv[1] = "write";
|
|
subargv[2] = "temp2.y";
|
|
subargv[3] = NULL;
|
|
TEST_PEX_RUN (pex1, PEX_SUFFIX, "./test-pexecute", subargv, ".y", NULL);
|
|
TEST_PEX_GET_STATUS (pex1, 2, statuses);
|
|
if (!WIFEXITED (statuses[0]) || WEXITSTATUS (statuses[0]) != EXIT_SUCCESS
|
|
|| !WIFEXITED (statuses[1]) || WEXITSTATUS (statuses[1]) != EXIT_SUCCESS)
|
|
ERROR ("echoerr exit status failed");
|
|
pex_free (pex1);
|
|
if (fopen ("temp.x", "r") != NULL || fopen ("temp.y", "r") != NULL)
|
|
ERROR ("temporary files exist");
|
|
e = fopen ("temp2.x", "r");
|
|
if (e == NULL)
|
|
FATAL_ERROR ("fopen temp2.x failed in echoerr", errno);
|
|
CHECK_LINE (e, "two");
|
|
fclose (e);
|
|
e = fopen ("temp2.y", "r");
|
|
if (e == NULL)
|
|
FATAL_ERROR ("fopen temp2.y failed in echoerr", errno);
|
|
CHECK_LINE (e, "one");
|
|
fclose (e);
|
|
remove ("temp2.x");
|
|
remove ("temp2.y");
|
|
|
|
/* Test the old pexecute interface. */
|
|
{
|
|
int pid1, pid2;
|
|
char *errmsg_fmt;
|
|
char *errmsg_arg;
|
|
char errbuf1[1000];
|
|
char errbuf2[1000];
|
|
|
|
subargv[1] = "echo";
|
|
subargv[2] = "oldpexecute";
|
|
subargv[3] = NULL;
|
|
pid1 = pexecute ("./test-pexecute", subargv, "test-pexecute", "temp",
|
|
&errmsg_fmt, &errmsg_arg, PEXECUTE_FIRST);
|
|
if (pid1 < 0)
|
|
{
|
|
snprintf (errbuf1, sizeof errbuf1, errmsg_fmt, errmsg_arg);
|
|
snprintf (errbuf2, sizeof errbuf2, "pexecute 1 failed: %s", errbuf1);
|
|
FATAL_ERROR (errbuf2, 0);
|
|
}
|
|
|
|
subargv[1] = "write";
|
|
subargv[2] = "temp.y";
|
|
subargv[3] = NULL;
|
|
pid2 = pexecute ("./test-pexecute", subargv, "test-pexecute", "temp",
|
|
&errmsg_fmt, &errmsg_arg, PEXECUTE_LAST);
|
|
if (pid2 < 0)
|
|
{
|
|
snprintf (errbuf1, sizeof errbuf1, errmsg_fmt, errmsg_arg);
|
|
snprintf (errbuf2, sizeof errbuf2, "pexecute 2 failed: %s", errbuf1);
|
|
FATAL_ERROR (errbuf2, 0);
|
|
}
|
|
|
|
if (pwait (pid1, &status, 0) < 0)
|
|
FATAL_ERROR ("write pwait 1 failed", errno);
|
|
if (!WIFEXITED (status) || WEXITSTATUS (status) != EXIT_SUCCESS)
|
|
ERROR ("write exit status 1 failed");
|
|
|
|
if (pwait (pid2, &status, 0) < 0)
|
|
FATAL_ERROR ("write pwait 1 failed", errno);
|
|
if (!WIFEXITED (status) || WEXITSTATUS (status) != EXIT_SUCCESS)
|
|
ERROR ("write exit status 2 failed");
|
|
|
|
e = fopen ("temp.y", "r");
|
|
if (e == NULL)
|
|
FATAL_ERROR ("fopen temp.y failed in copy temp", errno);
|
|
CHECK_LINE (e, "oldpexecute");
|
|
fclose (e);
|
|
|
|
remove ("temp.y");
|
|
}
|
|
|
|
if (trace)
|
|
fprintf (stderr, "Exiting with status %d\n", error_count);
|
|
|
|
return error_count;
|
|
}
|
|
|
|
/* Execute one of the special testing commands. */
|
|
|
|
static void
|
|
do_cmd (int argc, char **argv)
|
|
{
|
|
const char *s;
|
|
|
|
/* Try to prevent generating a core dump. */
|
|
#ifdef RLIMIT_CORE
|
|
{
|
|
struct rlimit r;
|
|
|
|
r.rlim_cur = 0;
|
|
r.rlim_max = 0;
|
|
setrlimit (RLIMIT_CORE, &r);
|
|
}
|
|
#endif
|
|
|
|
s = argv[1];
|
|
if (strcmp (s, "exit") == 0)
|
|
exit (EXIT_SUCCESS);
|
|
else if (strcmp (s, "echo") == 0)
|
|
{
|
|
int i;
|
|
|
|
for (i = 2; i < argc; ++i)
|
|
{
|
|
if (i > 2)
|
|
putchar (' ');
|
|
fputs (argv[i], stdout);
|
|
}
|
|
putchar ('\n');
|
|
exit (EXIT_SUCCESS);
|
|
}
|
|
else if (strcmp (s, "echoerr") == 0)
|
|
{
|
|
int i;
|
|
|
|
for (i = 2; i < argc; ++i)
|
|
{
|
|
if (i > 3)
|
|
putc (' ', (i & 1) == 0 ? stdout : stderr);
|
|
fputs (argv[i], (i & 1) == 0 ? stdout : stderr);
|
|
}
|
|
putc ('\n', stdout);
|
|
putc ('\n', stderr);
|
|
exit (EXIT_SUCCESS);
|
|
}
|
|
else if (strcmp (s, "error") == 0)
|
|
exit (EXIT_FAILURE);
|
|
else if (strcmp (s, "abort") == 0)
|
|
abort ();
|
|
else if (strcmp (s, "copy") == 0)
|
|
{
|
|
int c;
|
|
|
|
while ((c = getchar ()) != EOF)
|
|
putchar (c);
|
|
exit (EXIT_SUCCESS);
|
|
}
|
|
else if (strcmp (s, "write") == 0)
|
|
{
|
|
FILE *e;
|
|
int c;
|
|
|
|
e = fopen (argv[2], "w");
|
|
if (e == NULL)
|
|
FATAL_ERROR ("fopen for write failed", errno);
|
|
while ((c = getchar ()) != EOF)
|
|
putc (c, e);
|
|
if (fclose (e) != 0)
|
|
FATAL_ERROR ("fclose for write failed", errno);
|
|
exit (EXIT_SUCCESS);
|
|
}
|
|
else
|
|
{
|
|
char buf[1000];
|
|
|
|
snprintf (buf, sizeof buf, "unrecognized command %s", argv[1]);
|
|
FATAL_ERROR (buf, 0);
|
|
}
|
|
|
|
exit (EXIT_FAILURE);
|
|
}
|