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/*
* Copyright (C) 2014-2018 Tobias Brunner
*
* Copyright (C) secunet Security Networks AG
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program 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 General Public License
* for more details.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <getopt.h>
#include <errno.h>
#include <library.h>
#include <settings/settings_types.h>
/**
* Defined in libstrongswan but not part of the public API
*/
bool settings_parser_parse_file(void *this, char *name);
/**
* Produce indentation for the given level
*/
static void get_indent(char indent[BUF_LEN], int level)
{
int i;
for (i = 0; i < level * 2 && i < BUF_LEN - 2; i += 2)
{
indent[i ] = ' ';
indent[i+1] = ' ';
}
indent[i] = '\0';
}
/**
* Recursively print the section and all subsections/settings
*/
static void print_section(section_t *section, int level)
{
section_t *sub;
section_ref_t *ref;
kv_t *kv;
char indent[BUF_LEN];
int i, j;
get_indent(indent, level);
for (i = 0; i < array_count(section->kv_order); i++)
{
array_get(section->kv_order, i, &kv);
printf("%s%s = %s\n", indent, kv->key, kv->value);
}
for (i = 0; i < array_count(section->sections_order); i++)
{
array_get(section->sections_order, i, &sub);
printf("%s%s", indent, sub->name);
if (array_count(sub->references))
{
for (j = 0; j < array_count(sub->references); j++)
{
array_get(sub->references, j, &ref);
printf("%s%s", j == 0 ? " : " : ", ", ref->name);
}
}
printf(" {\n");
print_section(sub, level + 1);
printf("%s}\n", indent);
}
}
/**
* Recursively print a given section and all subsections/settings
*/
static void print_settings_section(settings_t *settings, char *section,
int level)
{
enumerator_t *enumerator;
char indent[BUF_LEN], buf[BUF_LEN], *key, *value;
get_indent(indent, level);
enumerator = settings->create_key_value_enumerator(settings, section);
while (enumerator->enumerate(enumerator, &key, &value))
{
printf("%s%s = %s\n", indent, key, value);
}
enumerator->destroy(enumerator);
enumerator = settings->create_section_enumerator(settings, section);
while (enumerator->enumerate(enumerator, &key))
{
printf("%s%s {\n", indent, key);
snprintf(buf, sizeof(buf), "%s%s%s", section,
strlen(section) ? "." : "", key);
print_settings_section(settings, buf, level + 1);
printf("%s}\n", indent);
}
enumerator->destroy(enumerator);
}
static void usage(FILE *out, char *name)
{
fprintf(out, "Test strongswan.conf parser\n\n");
fprintf(out, "%s [OPTIONS]\n\n", name);
fprintf(out, "Options:\n");
fprintf(out, " -h, --help print this help.\n");
fprintf(out, " -d, --debug enables debugging of the parser.\n");
fprintf(out, " -r, --resolve displays the settings with references/redefines resolved.\n");
fprintf(out, " -f, --file=FILE config file to load (default STDIN).\n");
fprintf(out, "\n");
}
int main(int argc, char *argv[])
{
char *file = NULL;
bool resolve = FALSE;
while (true)
{
struct option long_opts[] = {
{"help", no_argument, NULL, 'h' },
{"debug", no_argument, NULL, 'd' },
{"file", required_argument, NULL, 'f' },
{"resolve", no_argument, NULL, 'r' },
{0,0,0,0 },
};
switch (getopt_long(argc, argv, "hdf:r", long_opts, NULL))
{
case EOF:
break;
case 'h':
usage(stdout, argv[0]);
return 0;
case 'd':
setenv("DEBUG_SETTINGS_PARSER", "1", TRUE);
continue;
case 'f':
file = optarg;
continue;
case 'r':
resolve = TRUE;
continue;
default:
usage(stderr, argv[0]);
return 1;
}
break;
}
/* don't load strongswan.conf */
library_init("", "settings-test");
atexit(library_deinit);
dbg_default_set_level(3);
if (file)
{
if (resolve)
{
settings_t *settings = settings_create(file);
print_settings_section(settings, "", 0);
settings->destroy(settings);
}
else
{
section_t *root = settings_section_create(strdup("root"));
settings_parser_parse_file(root, file);
print_section(root, 0);
settings_section_destroy(root, NULL);
}
}
else
{
usage(stderr, argv[0]);
}
return 0;
}
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