| xf.li | bdd93d5 | 2023-05-12 07:10:14 -0700 | [diff] [blame^] | 1 | /* Copyright (C) 2009-2016 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 <ctype.h> |
| 19 | #include <errno.h> |
| 20 | #include <gshadow.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 sgrp |
| 28 | #define ENTNAME sgent |
| 29 | struct sgent_data {}; |
| 30 | |
| 31 | |
| 32 | #define TRAILING_LIST_MEMBER sg_mem |
| 33 | #define TRAILING_LIST_SEPARATOR_P(c) ((c) == ',') |
| 34 | #include <nss/nss_files/files-parse.c> |
| 35 | LINE_PARSER |
| 36 | (, |
| 37 | STRING_FIELD (result->sg_namp, ISCOLON, 0); |
| 38 | if (line[0] == '\0' |
| 39 | && (result->sg_namp[0] == '+' || result->sg_namp[0] == '-')) |
| 40 | { |
| 41 | result->sg_passwd = NULL; |
| 42 | result->sg_adm = NULL; |
| 43 | result->sg_mem = NULL; |
| 44 | } |
| 45 | else |
| 46 | { |
| 47 | STRING_FIELD (result->sg_passwd, ISCOLON, 0); |
| 48 | STRING_LIST (result->sg_adm, ':'); |
| 49 | } |
| 50 | ) |
| 51 | |
| 52 | |
| 53 | /* Read one shadow entry from the given stream. */ |
| 54 | int |
| 55 | __sgetsgent_r (const char *string, struct sgrp *resbuf, char *buffer, |
| 56 | size_t buflen, struct sgrp **result) |
| 57 | { |
| 58 | char *sp; |
| 59 | if (string < buffer || string >= buffer + buflen) |
| 60 | { |
| 61 | buffer[buflen - 1] = '\0'; |
| 62 | sp = strncpy (buffer, string, buflen); |
| 63 | if (buffer[buflen - 1] != '\0') |
| 64 | return ERANGE; |
| 65 | } |
| 66 | else |
| 67 | sp = (char *) string; |
| 68 | |
| 69 | int parse_result = parse_line (sp, resbuf, (void *) buffer, buflen, &errno); |
| 70 | *result = parse_result > 0 ? resbuf : NULL; |
| 71 | |
| 72 | return *result == NULL ? errno : 0; |
| 73 | } |
| 74 | weak_alias (__sgetsgent_r, sgetsgent_r) |