Permalink
Cannot retrieve contributors at this time
Name already in use
A tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Are you sure you want to create this branch?
glibc/grp/tst-putgrent.c
Go to fileThis commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
167 lines (152 sloc)
3.78 KB
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
/* Test for processing of invalid group entries. [BZ #18724] | |
Copyright (C) 2015-2016 Free Software Foundation, Inc. | |
This file is part of the GNU C Library. | |
The GNU C Library is free software; you can redistribute it and/or | |
modify it under the terms of the GNU Lesser General Public | |
License as published by the Free Software Foundation; either | |
version 2.1 of the License, or (at your option) any later version. | |
The GNU C Library 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 | |
Lesser General Public License for more details. | |
You should have received a copy of the GNU Lesser General Public | |
License along with the GNU C Library; if not, see | |
<http://www.gnu.org/licenses/>. */ | |
#include <errno.h> | |
#include <grp.h> | |
#include <stdbool.h> | |
#include <stdio.h> | |
#include <stdlib.h> | |
#include <string.h> | |
static bool errors; | |
static void | |
check (struct group e, const char *expected) | |
{ | |
char *buf; | |
size_t buf_size; | |
FILE *f = open_memstream (&buf, &buf_size); | |
if (f == NULL) | |
{ | |
printf ("open_memstream: %m\n"); | |
errors = true; | |
return; | |
} | |
int ret = putgrent (&e, f); | |
if (expected == NULL) | |
{ | |
if (ret == -1) | |
{ | |
if (errno != EINVAL) | |
{ | |
printf ("putgrent: unexpected error code: %m\n"); | |
errors = true; | |
} | |
} | |
else | |
{ | |
printf ("putgrent: unexpected success (\"%s\", \"%s\")\n", | |
e.gr_name, e.gr_passwd); | |
errors = true; | |
} | |
} | |
else | |
{ | |
/* Expect success. */ | |
size_t expected_length = strlen (expected); | |
if (ret == 0) | |
{ | |
long written = ftell (f); | |
if (written <= 0 || fflush (f) < 0) | |
{ | |
printf ("stream error: %m\n"); | |
errors = true; | |
} | |
else if (buf[written - 1] != '\n') | |
{ | |
printf ("FAILED: \"%s\" without newline\n", expected); | |
errors = true; | |
} | |
else if (strncmp (buf, expected, written - 1) != 0 | |
|| written - 1 != expected_length) | |
{ | |
buf[written - 1] = '\0'; | |
printf ("FAILED: \"%s\" (%ld), expected \"%s\" (%zu)\n", | |
buf, written - 1, expected, expected_length); | |
errors = true; | |
} | |
} | |
else | |
{ | |
printf ("FAILED: putgrent (expected \"%s\"): %m\n", expected); | |
errors = true; | |
} | |
} | |
fclose (f); | |
free (buf); | |
} | |
static int | |
do_test (void) | |
{ | |
check ((struct group) { | |
.gr_name = (char *) "root", | |
}, | |
"root::0:"); | |
check ((struct group) { | |
.gr_name = (char *) "root", | |
.gr_passwd = (char *) "password", | |
.gr_gid = 1234, | |
.gr_mem = (char *[2]) {(char *) "member1", NULL} | |
}, | |
"root:password:1234:member1"); | |
check ((struct group) { | |
.gr_name = (char *) "root", | |
.gr_passwd = (char *) "password", | |
.gr_gid = 1234, | |
.gr_mem = (char *[3]) {(char *) "member1", (char *) "member2", NULL} | |
}, | |
"root:password:1234:member1,member2"); | |
/* Bad values. */ | |
{ | |
static const char *const bad_strings[] = { | |
":", | |
"\n", | |
":bad", | |
"\nbad", | |
"b:ad", | |
"b\nad", | |
"bad:", | |
"bad\n", | |
"b:a\nd" | |
",", | |
"\n,", | |
":,", | |
",bad", | |
"b,ad", | |
"bad,", | |
NULL | |
}; | |
for (const char *const *bad = bad_strings; *bad != NULL; ++bad) | |
{ | |
char *members[] | |
= {(char *) "first", (char *) *bad, (char *) "last", NULL}; | |
if (strpbrk (*bad, ":\n") != NULL) | |
{ | |
check ((struct group) { | |
.gr_name = (char *) *bad, | |
}, NULL); | |
check ((struct group) { | |
.gr_name = (char *) "root", | |
.gr_passwd = (char *) *bad, | |
}, NULL); | |
} | |
check ((struct group) { | |
.gr_name = (char *) "root", | |
.gr_passwd = (char *) "password", | |
.gr_mem = members, | |
}, NULL); | |
} | |
} | |
return errors; | |
} | |
#define TEST_FUNCTION do_test () | |
#include "../test-skeleton.c" |