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/* Test for processing of invalid shadow entries. [BZ #18724]
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Copyright (C) 2015-2018 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <errno.h>
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#include <shadow.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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static bool errors;
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static void
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check (struct spwd p, const char *expected)
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{
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char *buf;
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size_t buf_size;
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FILE *f = open_memstream (&buf, &buf_size);
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if (f == NULL)
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{
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printf ("open_memstream: %m\n");
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errors = true;
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return;
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}
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int ret = putspent (&p, f);
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if (expected == NULL)
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{
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if (ret == -1)
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{
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if (errno != EINVAL)
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{
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printf ("putspent: unexpected error code: %m\n");
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errors = true;
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}
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}
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else
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{
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printf ("putspent: unexpected success (\"%s\")\n", p.sp_namp);
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errors = true;
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}
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}
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else
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{
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/* Expect success. */
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size_t expected_length = strlen (expected);
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if (ret == 0)
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{
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long written = ftell (f);
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if (written <= 0 || fflush (f) < 0)
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{
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printf ("stream error: %m\n");
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errors = true;
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}
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else if (buf[written - 1] != '\n')
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{
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printf ("FAILED: \"%s\" without newline\n", expected);
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errors = true;
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}
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else if (strncmp (buf, expected, written - 1) != 0
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|| written - 1 != expected_length)
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{
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printf ("FAILED: \"%s\" (%ld), expected \"%s\" (%zu)\n",
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buf, written - 1, expected, expected_length);
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errors = true;
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}
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}
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else
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{
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printf ("FAILED: putspent (expected \"%s\"): %m\n", expected);
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errors = true;
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}
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}
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fclose (f);
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free (buf);
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}
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static int
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do_test (void)
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{
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check ((struct spwd) {
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.sp_namp = (char *) "root",
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},
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"root::0:0:0:0:0:0:0");
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check ((struct spwd) {
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.sp_namp = (char *) "root",
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.sp_pwdp = (char *) "password",
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},
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"root:password:0:0:0:0:0:0:0");
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check ((struct spwd) {
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.sp_namp = (char *) "root",
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.sp_pwdp = (char *) "password",
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.sp_lstchg = -1,
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.sp_min = -1,
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.sp_max = -1,
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.sp_warn = -1,
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.sp_inact = -1,
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.sp_expire = -1,
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.sp_flag = -1
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},
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"root:password:::::::");
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check ((struct spwd) {
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.sp_namp = (char *) "root",
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.sp_pwdp = (char *) "password",
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.sp_lstchg = 1,
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.sp_min = 2,
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.sp_max = 3,
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.sp_warn = 4,
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.sp_inact = 5,
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.sp_expire = 6,
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.sp_flag = 7
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},
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"root:password:1:2:3:4:5:6:7");
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/* Bad values. */
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{
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static const char *const bad_strings[] = {
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":",
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"\n",
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":bad",
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"\nbad",
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"b:ad",
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"b\nad",
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"bad:",
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"bad\n",
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"b:a\nd",
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NULL
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};
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for (const char *const *bad = bad_strings; *bad != NULL; ++bad)
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{
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check ((struct spwd) {
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.sp_namp = (char *) *bad,
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}, NULL);
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check ((struct spwd) {
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.sp_namp = (char *) "root",
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.sp_pwdp = (char *) *bad,
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}, NULL);
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}
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}
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return errors;
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}
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#define TEST_FUNCTION do_test ()
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#include "../test-skeleton.c"
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