libifupdown: add config file loader
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parent
fafa5ed7f9
commit
02d044c391
4 changed files with 94 additions and 1 deletions
3
Makefile
3
Makefile
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@ -35,7 +35,8 @@ LIBIFUPDOWN_SRC = \
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libifupdown/environment.c \
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libifupdown/execute.c \
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libifupdown/lifecycle.c \
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libifupdown/config-parser.c
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libifupdown/config-parser.c \
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libifupdown/config-file.c
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LIBIFUPDOWN_OBJ = ${LIBIFUPDOWN_SRC:.c=.o}
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LIBIFUPDOWN_LIB = libifupdown.a
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61
libifupdown/config-file.c
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61
libifupdown/config-file.c
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@ -0,0 +1,61 @@
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/*
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* libifupdown/config-file.c
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* Purpose: config file loading
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*
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* Copyright (c) 2020 Ariadne Conill <ariadne@dereferenced.org>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* This software is provided 'as is' and without any warranty, express or
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* implied. In no event shall the authors be liable for any damages arising
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* from the use of this software.
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*/
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#include <errno.h>
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#include <stdio.h>
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#include <string.h>
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#include "libifupdown/libifupdown.h"
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struct lif_config_file lif_config = {
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.allow_addon_scripts = true,
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};
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static bool
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set_bool_value(const char *key, const char *value, void *opaque)
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{
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(void) key;
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if (*value == '1' ||
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*value == 'Y' || *value == 'y' ||
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*value == 'T' || *value == 't')
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*(bool *) opaque = true;
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else if (*value == '0' ||
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*value == 'N' || *value == 'n' ||
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*value == 'F' || *value == 'f')
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*(bool *) opaque = false;
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else
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return false;
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return true;
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}
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static struct lif_config_handler handlers[] = {
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{"allow_addon_scripts", set_bool_value, &lif_config.allow_addon_scripts},
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};
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bool
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lif_config_load(const char *filename)
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{
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FILE *fd = fopen(filename, "r");
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if (fd == NULL)
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{
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fprintf(stderr, "ifupdown-ng: cannot open config %s: %s\n",
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filename, strerror(errno));
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return false;
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}
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return lif_config_parse_file(fd, filename, handlers, ARRAY_SIZE(handlers));
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}
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29
libifupdown/config-file.h
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29
libifupdown/config-file.h
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@ -0,0 +1,29 @@
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/*
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* libifupdown/config-file.h
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* Purpose: config file loading
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*
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* Copyright (c) 2020 Ariadne Conill <ariadne@dereferenced.org>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* This software is provided 'as is' and without any warranty, express or
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* implied. In no event shall the authors be liable for any damages arising
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* from the use of this software.
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*/
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#ifndef LIBIFUPDOWN__CONFIG_FILE_H
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#define LIBIFUPDOWN__CONFIG_FILE_H
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#include <stdbool.h>
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struct lif_config_file {
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bool allow_addon_scripts;
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};
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extern struct lif_config_file lif_config;
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extern bool lif_config_load(const char *filename);
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#endif
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@ -27,6 +27,8 @@
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#include "libifupdown/execute.h"
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#include "libifupdown/lifecycle.h"
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#include "libifupdown/tokenize.h"
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#include "libifupdown/config-file.h"
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#include "libifupdown/config-parser.h"
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#ifndef ARRAY_SIZE
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# define ARRAY_SIZE(x) (sizeof(x) / sizeof(*x))
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