summaryrefslogtreecommitdiff
path: root/gshadow/tst-putsgent.c
blob: 424b66e89617e53cf3a5955430ef5b4945b2129b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
/* Test for processing of invalid gshadow entries.  [BZ #18724]
   Copyright (C) 2015-2018 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 <gshadow.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

static bool errors;

static void
check (struct sgrp 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 = putsgent (&e, f);

  if (expected == NULL)
    {
      if (ret == -1)
	{
	  if (errno != EINVAL)
	    {
	      printf ("putsgent: unexpected error code: %m\n");
	      errors = true;
	    }
	}
      else
	{
	  printf ("putsgent: unexpected success (\"%s\")\n", e.sg_namp);
	  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)
	    {
	      printf ("FAILED: \"%s\" (%ld), expected \"%s\" (%zu)\n",
		      buf, written - 1, expected, expected_length);
	      errors = true;
	    }
	}
      else
	{
	  printf ("FAILED: putsgent (expected \"%s\"): %m\n", expected);
	  errors = true;
	}
    }

  fclose (f);
  free (buf);
}

static int
do_test (void)
{
  check ((struct sgrp) {
      .sg_namp = (char *) "root",
    },
    "root:::");
  check ((struct sgrp) {
      .sg_namp = (char *) "root",
      .sg_passwd = (char *) "password",
    },
    "root:password::");
  check ((struct sgrp) {
      .sg_namp = (char *) "root",
      .sg_passwd = (char *) "password",
      .sg_adm = (char *[]) {(char *) "adm1", (char *) "adm2", NULL},
      .sg_mem = (char *[]) {(char *) "mem1", (char *) "mem2", NULL},
    },
    "root:password:adm1,adm2:mem1,mem2");

  /* 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 sgrp) {
		.sg_namp = (char *) *bad,
	      }, NULL);
	    check ((struct sgrp) {
		.sg_namp = (char *) "root",
		.sg_passwd = (char *) *bad,
	      }, NULL);
	  }
	check ((struct sgrp) {
	    .sg_namp = (char *) "root",
	    .sg_passwd = (char *) "password",
	    .sg_adm = members
	  }, NULL);
	check ((struct sgrp) {
	    .sg_namp = (char *) "root",
	    .sg_passwd = (char *) "password",
	    .sg_mem = members
	  }, NULL);
      }
  }

  return errors;
}

#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"