1/* Copyright (C) 1996-2023 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18#include <ctype.h>
19#include <errno.h>
20#include <shadow.h>
21#include <stdio.h>
22#include <string.h>
23
24/* Define a line parsing function using the common code
25 used in the nss_files module. */
26
27#define STRUCTURE spwd
28#define ENTNAME spent
29struct spent_data {};
30
31/* Predicate which always returns false, needed below. */
32#define FALSEP(arg) 0
33
34
35#include <nss/nss_files/files-parse.c>
36LINE_PARSER
37(,
38 STRING_FIELD (result->sp_namp, ISCOLON, 0);
39 if (line[0] == '\0'
40 && (result->sp_namp[0] == '+' || result->sp_namp[0] == '-'))
41 {
42 result->sp_pwdp = NULL;
43 result->sp_lstchg = 0;
44 result->sp_min = 0;
45 result->sp_max = 0;
46 result->sp_warn = -1l;
47 result->sp_inact = -1l;
48 result->sp_expire = -1l;
49 result->sp_flag = ~0ul;
50 }
51 else
52 {
53 STRING_FIELD (result->sp_pwdp, ISCOLON, 0);
54 INT_FIELD_MAYBE_NULL (result->sp_lstchg, ISCOLON, 0, 10, (long int) (int),
55 (long int) -1);
56 INT_FIELD_MAYBE_NULL (result->sp_min, ISCOLON, 0, 10, (long int) (int),
57 (long int) -1);
58 INT_FIELD_MAYBE_NULL (result->sp_max, ISCOLON, 0, 10, (long int) (int),
59 (long int) -1);
60 while (isspace (*line))
61 ++line;
62 if (*line == '\0')
63 {
64 /* The old form. */
65 result->sp_warn = -1l;
66 result->sp_inact = -1l;
67 result->sp_expire = -1l;
68 result->sp_flag = ~0ul;
69 }
70 else
71 {
72 INT_FIELD_MAYBE_NULL (result->sp_warn, ISCOLON, 0, 10,
73 (long int) (int), (long int) -1);
74 INT_FIELD_MAYBE_NULL (result->sp_inact, ISCOLON, 0, 10,
75 (long int) (int), (long int) -1);
76 INT_FIELD_MAYBE_NULL (result->sp_expire, ISCOLON, 0, 10,
77 (long int) (int), (long int) -1);
78 if (*line != '\0')
79 INT_FIELD_MAYBE_NULL (result->sp_flag, FALSEP, 0, 10,
80 (unsigned long int), ~0ul)
81 else
82 result->sp_flag = ~0ul;
83 }
84 }
85 )
86
87
88/* Read one shadow entry from the given stream. */
89int
90__sgetspent_r (const char *string, struct spwd *resbuf, char *buffer,
91 size_t buflen, struct spwd **result)
92{
93 buffer[buflen - 1] = '\0';
94 char *sp = strncpy (buffer, string, buflen);
95 if (buffer[buflen - 1] != '\0')
96 return ERANGE;
97
98 int parse_result = parse_line (sp, resbuf, NULL, 0, &errno);
99 *result = parse_result > 0 ? resbuf : NULL;
100
101 return *result == NULL ? errno : 0;
102}
103weak_alias (__sgetspent_r, sgetspent_r)
104