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6d7e8eda | 1 | /* Copyright (C) 1991-2023 Free Software Foundation, Inc. |
19361cb7 UD |
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 | |
41bdb6e2 AJ |
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. | |
19361cb7 UD |
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 | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
19361cb7 | 13 | |
41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 | 15 | License along with the GNU C Library; if not, see |
5a82c748 | 16 | <https://www.gnu.org/licenses/>. */ |
267ca16a | 17 | |
676599b3 FW |
18 | #include <errno.h> |
19 | #include <nss.h> | |
267ca16a UD |
20 | #include <stdio.h> |
21 | #include <shadow.h> | |
22 | ||
3ce1f295 UD |
23 | #define flockfile(s) _IO_flockfile (s) |
24 | #define funlockfile(s) _IO_funlockfile (s) | |
7ce241a0 UD |
25 | |
26 | #define _S(x) x ? x : "" | |
27 | ||
267ca16a UD |
28 | |
29 | /* Write an entry to the given stream. | |
30 | This must know the format of the password file. */ | |
31 | int | |
32 | putspent (const struct spwd *p, FILE *stream) | |
33 | { | |
34 | int errors = 0; | |
35 | ||
676599b3 FW |
36 | if (p->sp_namp == NULL || !__nss_valid_field (p->sp_namp) |
37 | || !__nss_valid_field (p->sp_pwdp)) | |
38 | { | |
39 | __set_errno (EINVAL); | |
40 | return -1; | |
41 | } | |
42 | ||
7ce241a0 UD |
43 | flockfile (stream); |
44 | ||
45 | if (fprintf (stream, "%s:%s:", p->sp_namp, _S (p->sp_pwdp)) < 0) | |
267ca16a UD |
46 | ++errors; |
47 | ||
c4029823 | 48 | if ((p->sp_lstchg != (long int) -1 |
569c558c | 49 | && fprintf (stream, "%ld:", p->sp_lstchg) < 0) |
c4029823 | 50 | || (p->sp_lstchg == (long int) -1 |
7ce241a0 | 51 | && putc_unlocked (':', stream) == EOF)) |
267ca16a UD |
52 | ++errors; |
53 | ||
c4029823 | 54 | if ((p->sp_min != (long int) -1 |
569c558c | 55 | && fprintf (stream, "%ld:", p->sp_min) < 0) |
c4029823 | 56 | || (p->sp_min == (long int) -1 |
7ce241a0 | 57 | && putc_unlocked (':', stream) == EOF)) |
267ca16a UD |
58 | ++errors; |
59 | ||
c4029823 | 60 | if ((p->sp_max != (long int) -1 |
569c558c | 61 | && fprintf (stream, "%ld:", p->sp_max) < 0) |
c4029823 | 62 | || (p->sp_max == (long int) -1 |
7ce241a0 | 63 | && putc_unlocked (':', stream) == EOF)) |
267ca16a UD |
64 | ++errors; |
65 | ||
c4029823 | 66 | if ((p->sp_warn != (long int) -1 |
569c558c | 67 | && fprintf (stream, "%ld:", p->sp_warn) < 0) |
c4029823 | 68 | || (p->sp_warn == (long int) -1 |
7ce241a0 | 69 | && putc_unlocked (':', stream) == EOF)) |
267ca16a UD |
70 | ++errors; |
71 | ||
c4029823 | 72 | if ((p->sp_inact != (long int) -1 |
569c558c | 73 | && fprintf (stream, "%ld:", p->sp_inact) < 0) |
c4029823 | 74 | || (p->sp_inact == (long int) -1 |
7ce241a0 | 75 | && putc_unlocked (':', stream) == EOF)) |
267ca16a UD |
76 | ++errors; |
77 | ||
c4029823 | 78 | if ((p->sp_expire != (long int) -1 |
569c558c | 79 | && fprintf (stream, "%ld:", p->sp_expire) < 0) |
c4029823 | 80 | || (p->sp_expire == (long int) -1 |
7ce241a0 | 81 | && putc_unlocked (':', stream) == EOF)) |
267ca16a UD |
82 | ++errors; |
83 | ||
11336c16 UD |
84 | if (p->sp_flag != ~0ul |
85 | && fprintf (stream, "%ld", p->sp_flag) < 0) | |
267ca16a UD |
86 | ++errors; |
87 | ||
7ce241a0 | 88 | if (putc_unlocked ('\n', stream) == EOF) |
267ca16a UD |
89 | ++errors; |
90 | ||
7ce241a0 UD |
91 | funlockfile (stream); |
92 | ||
267ca16a UD |
93 | return errors ? -1 : 0; |
94 | } |