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969e9733 FW |
1 | /* Test large input for sgetsgent (bug 30151). |
2 | Copyright (C) 2023 Free Software Foundation, Inc. | |
3 | This file is part of the GNU C Library. | |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
16 | License along with the GNU C Library; if not, see | |
17 | <https://www.gnu.org/licenses/>. */ | |
18 | ||
19 | #include <gshadow.h> | |
20 | #include <stddef.h> | |
21 | #include <support/check.h> | |
22 | #include <support/support.h> | |
23 | #include <support/xmemstream.h> | |
24 | #include <stdlib.h> | |
25 | ||
26 | static int | |
27 | do_test (void) | |
28 | { | |
29 | /* Create a shadow group with 1000 members. */ | |
30 | struct xmemstream mem; | |
31 | xopen_memstream (&mem); | |
32 | const char *passwd = "k+zD0nucwfxAo3sw1NXUj6K5vt5M16+X0TVGdE1uFvq5R8V7efJ"; | |
33 | fprintf (mem.out, "group-name:%s::m0", passwd); | |
34 | for (int i = 1; i < 1000; ++i) | |
35 | fprintf (mem.out, ",m%d", i); | |
36 | xfclose_memstream (&mem); | |
37 | ||
38 | /* Call sgetsgent. */ | |
39 | char *input = mem.buffer; | |
40 | struct sgrp *e = sgetsgent (input); | |
41 | TEST_VERIFY_EXIT (e != NULL); | |
42 | TEST_COMPARE_STRING (e->sg_namp, "group-name"); | |
43 | TEST_COMPARE_STRING (e->sg_passwd, passwd); | |
44 | /* No administrators. */ | |
45 | TEST_COMPARE_STRING (e->sg_adm[0], NULL); | |
46 | /* Check the members list. */ | |
47 | for (int i = 0; i < 1000; ++i) | |
48 | { | |
49 | char *member = xasprintf ("m%d", i); | |
50 | TEST_COMPARE_STRING (e->sg_mem[i], member); | |
51 | free (member); | |
52 | } | |
53 | TEST_COMPARE_STRING (e->sg_mem[1000], NULL); | |
54 | ||
55 | /* Check that putsgent brings back the input string. */ | |
56 | xopen_memstream (&mem); | |
57 | TEST_COMPARE (putsgent (e, mem.out), 0); | |
58 | xfclose_memstream (&mem); | |
59 | /* Compare without the trailing '\n' that putsgent added. */ | |
60 | TEST_COMPARE (mem.buffer[mem.length - 1], '\n'); | |
61 | mem.buffer[mem.length - 1] = '\0'; | |
62 | TEST_COMPARE_STRING (mem.buffer, input); | |
63 | ||
64 | free (mem.buffer); | |
65 | free (input); | |
66 | return 0; | |
67 | } | |
68 | ||
69 | #include <support/test-driver.c> |