| xf.li | bfc6e71 | 2025-02-07 01:54:34 -0800 | [diff] [blame^] | 1 | /* Services file parser in nss_files module. |
| 2 | Copyright (C) 1996-2016 Free Software Foundation, Inc. |
| 3 | This file is part of the GNU C Library. |
| 4 | |
| 5 | The GNU C Library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | The GNU C Library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with the GNU C Library; if not, see |
| 17 | <http://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #include <netinet/in.h> |
| 20 | #include <netdb.h> |
| 21 | |
| 22 | |
| 23 | #define ENTNAME servent |
| 24 | #define DATABASE "services" |
| 25 | |
| 26 | struct servent_data {}; |
| 27 | |
| 28 | #define TRAILING_LIST_MEMBER s_aliases |
| 29 | #define TRAILING_LIST_SEPARATOR_P isspace |
| 30 | #include "files-parse.c" |
| 31 | #define ISSLASH(c) ((c) == '/') |
| 32 | LINE_PARSER |
| 33 | ("#", |
| 34 | STRING_FIELD (result->s_name, isspace, 1); |
| 35 | INT_FIELD (result->s_port, ISSLASH, 10, 0, htons); |
| 36 | STRING_FIELD (result->s_proto, isspace, 1); |
| 37 | ) |
| 38 | |
| 39 | #include GENERIC |
| 40 | |
| 41 | DB_LOOKUP (servbyname, ':', |
| 42 | strlen (name) + 2 + (proto == NULL ? 0 : strlen (proto)), |
| 43 | ("%s/%s", name, proto ?: ""), |
| 44 | { |
| 45 | /* Must match both protocol (if specified) and name. */ |
| 46 | if (proto != NULL && strcmp (result->s_proto, proto)) |
| 47 | /* A continue statement here breaks nss_db, because it |
| 48 | bypasses advancing to the next db entry, and it |
| 49 | doesn't make nss_files any more efficient. */; |
| 50 | else |
| 51 | LOOKUP_NAME (s_name, s_aliases) |
| 52 | }, |
| 53 | const char *name, const char *proto) |
| 54 | |
| 55 | DB_LOOKUP (servbyport, '=', 21 + (proto ? strlen (proto) : 0), |
| 56 | ("%zd/%s", (ssize_t) ntohs (port), proto ?: ""), |
| 57 | { |
| 58 | /* Must match both port and protocol. */ |
| 59 | if (result->s_port == port |
| 60 | && (proto == NULL |
| 61 | || strcmp (result->s_proto, proto) == 0)) |
| 62 | break; |
| 63 | }, int port, const char *proto) |