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/* Test for processing of invalid gshadow 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 <gshadow.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 sgrp e, 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 = putsgent (&e, 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 ("putsgent: 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 ("putsgent: unexpected success (\"%s\")\n", e.sg_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: putsgent (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 sgrp) {
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.sg_namp = (char *) "root",
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},
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"root:::");
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check ((struct sgrp) {
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.sg_namp = (char *) "root",
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.sg_passwd = (char *) "password",
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},
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"root:password::");
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check ((struct sgrp) {
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.sg_namp = (char *) "root",
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.sg_passwd = (char *) "password",
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.sg_adm = (char *[]) {(char *) "adm1", (char *) "adm2", NULL},
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.sg_mem = (char *[]) {(char *) "mem1", (char *) "mem2", NULL},
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},
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"root:password:adm1,adm2:mem1,mem2");
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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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",",
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"\n,",
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":,",
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",bad",
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"b,ad",
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"bad,",
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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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char *members[]
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= {(char *) "first", (char *) *bad, (char *) "last", NULL};
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if (strpbrk (*bad, ":\n") != NULL)
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{
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check ((struct sgrp) {
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.sg_namp = (char *) *bad,
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}, NULL);
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check ((struct sgrp) {
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.sg_namp = (char *) "root",
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.sg_passwd = (char *) *bad,
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}, NULL);
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}
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check ((struct sgrp) {
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.sg_namp = (char *) "root",
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.sg_passwd = (char *) "password",
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.sg_adm = members
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}, NULL);
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check ((struct sgrp) {
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.sg_namp = (char *) "root",
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.sg_passwd = (char *) "password",
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.sg_mem = members
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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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