| xf.li | bdd93d5 | 2023-05-12 07:10:14 -0700 | [diff] [blame] | 1 | /* Copyright (C) 1991-2016 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 | <http://www.gnu.org/licenses/>. */ |
| 17 | |
| 18 | #include <errno.h> |
| 19 | #include <nss.h> |
| 20 | #include <stdio.h> |
| 21 | #include <shadow.h> |
| 22 | |
| 23 | #define flockfile(s) _IO_flockfile (s) |
| 24 | #define funlockfile(s) _IO_funlockfile (s) |
| 25 | |
| 26 | #define _S(x) x ? x : "" |
| 27 | |
| 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 | |
| 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 | |
| 43 | flockfile (stream); |
| 44 | |
| 45 | if (fprintf (stream, "%s:%s:", p->sp_namp, _S (p->sp_pwdp)) < 0) |
| 46 | ++errors; |
| 47 | |
| 48 | if ((p->sp_lstchg != (long int) -1 |
| 49 | && fprintf (stream, "%ld:", p->sp_lstchg) < 0) |
| 50 | || (p->sp_lstchg == (long int) -1 |
| 51 | && putc_unlocked (':', stream) == EOF)) |
| 52 | ++errors; |
| 53 | |
| 54 | if ((p->sp_min != (long int) -1 |
| 55 | && fprintf (stream, "%ld:", p->sp_min) < 0) |
| 56 | || (p->sp_min == (long int) -1 |
| 57 | && putc_unlocked (':', stream) == EOF)) |
| 58 | ++errors; |
| 59 | |
| 60 | if ((p->sp_max != (long int) -1 |
| 61 | && fprintf (stream, "%ld:", p->sp_max) < 0) |
| 62 | || (p->sp_max == (long int) -1 |
| 63 | && putc_unlocked (':', stream) == EOF)) |
| 64 | ++errors; |
| 65 | |
| 66 | if ((p->sp_warn != (long int) -1 |
| 67 | && fprintf (stream, "%ld:", p->sp_warn) < 0) |
| 68 | || (p->sp_warn == (long int) -1 |
| 69 | && putc_unlocked (':', stream) == EOF)) |
| 70 | ++errors; |
| 71 | |
| 72 | if ((p->sp_inact != (long int) -1 |
| 73 | && fprintf (stream, "%ld:", p->sp_inact) < 0) |
| 74 | || (p->sp_inact == (long int) -1 |
| 75 | && putc_unlocked (':', stream) == EOF)) |
| 76 | ++errors; |
| 77 | |
| 78 | if ((p->sp_expire != (long int) -1 |
| 79 | && fprintf (stream, "%ld:", p->sp_expire) < 0) |
| 80 | || (p->sp_expire == (long int) -1 |
| 81 | && putc_unlocked (':', stream) == EOF)) |
| 82 | ++errors; |
| 83 | |
| 84 | if (p->sp_flag != ~0ul |
| 85 | && fprintf (stream, "%ld", p->sp_flag) < 0) |
| 86 | ++errors; |
| 87 | |
| 88 | if (putc_unlocked ('\n', stream) == EOF) |
| 89 | ++errors; |
| 90 | |
| 91 | funlockfile (stream); |
| 92 | |
| 93 | return errors ? -1 : 0; |
| 94 | } |