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Diffstat (limited to 'src/shared/conf-parser.h')
| -rw-r--r-- | src/shared/conf-parser.h | 242 |
1 files changed, 0 insertions, 242 deletions
diff --git a/src/shared/conf-parser.h b/src/shared/conf-parser.h deleted file mode 100644 index 26ff3df16f..0000000000 --- a/src/shared/conf-parser.h +++ /dev/null @@ -1,242 +0,0 @@ -#pragma once - -/*** - This file is part of systemd. - - Copyright 2010 Lennart Poettering - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <errno.h> -#include <stdbool.h> -#include <stddef.h> -#include <stdio.h> -#include <syslog.h> - -#include "alloc-util.h" -#include "log.h" -#include "macro.h" - -/* An abstract parser for simple, line based, shallow configuration - * files consisting of variable assignments only. */ - -/* Prototype for a parser for a specific configuration setting */ -typedef int (*ConfigParserCallback)(const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata); - -/* Wraps information for parsing a specific configuration variable, to - * be stored in a simple array */ -typedef struct ConfigTableItem { - const char *section; /* Section */ - const char *lvalue; /* Name of the variable */ - ConfigParserCallback parse; /* Function that is called to parse the variable's value */ - int ltype; /* Distinguish different variables passed to the same callback */ - void *data; /* Where to store the variable's data */ -} ConfigTableItem; - -/* Wraps information for parsing a specific configuration variable, to - * be stored in a gperf perfect hashtable */ -typedef struct ConfigPerfItem { - const char *section_and_lvalue; /* Section + "." + name of the variable */ - ConfigParserCallback parse; /* Function that is called to parse the variable's value */ - int ltype; /* Distinguish different variables passed to the same callback */ - size_t offset; /* Offset where to store data, from the beginning of userdata */ -} ConfigPerfItem; - -/* Prototype for a low-level gperf lookup function */ -typedef const ConfigPerfItem* (*ConfigPerfItemLookup)(const char *section_and_lvalue, unsigned length); - -/* Prototype for a generic high-level lookup function */ -typedef int (*ConfigItemLookup)( - const void *table, - const char *section, - const char *lvalue, - ConfigParserCallback *func, - int *ltype, - void **data, - void *userdata); - -/* Linear table search implementation of ConfigItemLookup, based on - * ConfigTableItem arrays */ -int config_item_table_lookup(const void *table, const char *section, const char *lvalue, ConfigParserCallback *func, int *ltype, void **data, void *userdata); - -/* gperf implementation of ConfigItemLookup, based on gperf - * ConfigPerfItem tables */ -int config_item_perf_lookup(const void *table, const char *section, const char *lvalue, ConfigParserCallback *func, int *ltype, void **data, void *userdata); - -int config_parse( - const char *unit, - const char *filename, - FILE *f, - const char *sections, /* nulstr */ - ConfigItemLookup lookup, - const void *table, - bool relaxed, - bool allow_include, - bool warn, - void *userdata); - -int config_parse_many_nulstr( - const char *conf_file, /* possibly NULL */ - const char *conf_file_dirs, /* nulstr */ - const char *sections, /* nulstr */ - ConfigItemLookup lookup, - const void *table, - bool relaxed, - void *userdata); - -int config_parse_many( - const char *conf_file, /* possibly NULL */ - const char* const* conf_file_dirs, - const char *dropin_dirname, - const char *sections, /* nulstr */ - ConfigItemLookup lookup, - const void *table, - bool relaxed, - void *userdata); - -/* Generic parsers */ -int config_parse_int(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); -int config_parse_unsigned(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); -int config_parse_long(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); -int config_parse_uint16(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); -int config_parse_uint32(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); -int config_parse_uint64(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); -int config_parse_double(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); -int config_parse_iec_size(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); -int config_parse_si_size(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); -int config_parse_iec_uint64(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); -int config_parse_bool(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); -int config_parse_tristate(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); -int config_parse_string(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); -int config_parse_path(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); -int config_parse_strv(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); -int config_parse_sec(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); -int config_parse_nsec(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); -int config_parse_mode(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); -int config_parse_log_facility(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); -int config_parse_log_level(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); -int config_parse_signal(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); -int config_parse_personality(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); -int config_parse_ifname(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); - -#define DEFINE_CONFIG_PARSE_ENUM(function,name,type,msg) \ - int function(const char *unit, \ - const char *filename, \ - unsigned line, \ - const char *section, \ - unsigned section_line, \ - const char *lvalue, \ - int ltype, \ - const char *rvalue, \ - void *data, \ - void *userdata) { \ - \ - type *i = data, x; \ - \ - assert(filename); \ - assert(lvalue); \ - assert(rvalue); \ - assert(data); \ - \ - if ((x = name##_from_string(rvalue)) < 0) { \ - log_syntax(unit, LOG_ERR, filename, line, -x, \ - msg ", ignoring: %s", rvalue); \ - return 0; \ - } \ - \ - *i = x; \ - return 0; \ - } - -#define DEFINE_CONFIG_PARSE_ENUMV(function,name,type,invalid,msg) \ - int function(const char *unit, \ - const char *filename, \ - unsigned line, \ - const char *section, \ - unsigned section_line, \ - const char *lvalue, \ - int ltype, \ - const char *rvalue, \ - void *data, \ - void *userdata) { \ - \ - type **enums = data, x, *ys; \ - _cleanup_free_ type *xs = NULL; \ - const char *word, *state; \ - size_t l, i = 0; \ - \ - assert(filename); \ - assert(lvalue); \ - assert(rvalue); \ - assert(data); \ - \ - xs = new0(type, 1); \ - if (!xs) \ - return -ENOMEM; \ - \ - *xs = invalid; \ - \ - FOREACH_WORD(word, l, rvalue, state) { \ - _cleanup_free_ char *en = NULL; \ - type *new_xs; \ - \ - en = strndup(word, l); \ - if (!en) \ - return -ENOMEM; \ - \ - if ((x = name##_from_string(en)) < 0) { \ - log_syntax(unit, LOG_ERR, filename, line, \ - -x, msg ", ignoring: %s", en); \ - continue; \ - } \ - \ - for (ys = xs; x != invalid && *ys != invalid; ys++) { \ - if (*ys == x) { \ - log_syntax(unit, LOG_ERR, filename, \ - line, -x, \ - "Duplicate entry, ignoring: %s", \ - en); \ - x = invalid; \ - } \ - } \ - \ - if (x == invalid) \ - continue; \ - \ - *(xs + i) = x; \ - new_xs = realloc(xs, (++i + 1) * sizeof(type)); \ - if (new_xs) \ - xs = new_xs; \ - else \ - return -ENOMEM; \ - \ - *(xs + i) = invalid; \ - } \ - \ - free(*enums); \ - *enums = xs; \ - xs = NULL; \ - \ - return 0; \ - } |