lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | /* Copyright (C) 1996-2015 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 <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 |
| 29 | struct 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> |
| 36 | LINE_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. */ |
| 89 | int |
| 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 | } |
| 103 | weak_alias (__sgetspent_r, sgetspent_r) |