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/*
* Copyright (c) 2014 Ian Sutton <ian@kremlin.cc>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <unistd.h>
#include <fcntl.h>
#include <gio/gio.h>
#include "config.h"
static GKeyFile *config;
static int config_descr;
static gchar *data_dir;
/* NULL if key doesn't exist */
gchar *get_option(gchar *key, gchar *group) {
if(!group)
group = "default";
return g_key_file_get_string(config, group, key, NULL);
}
/* false if key isn't already defined or value is invalid */
gboolean set_option(gchar *key, gchar *value, gchar *group) {
if(!group)
group = "default";
if(!g_key_file_get_string(config, group, key, NULL))
return FALSE;
//TODO safteycheck value
g_key_file_set_string(config, group, key, value);
return TRUE;
}
/* initial load/check */
gboolean config_init() {
config = g_key_file_new();
const gchar *config_path;
GStatBuf *config_lstat;
int config_lstat_ret;
config_path = "/etc/systemd_compat.conf";
config_lstat_ret = g_lstat(config_path, config_lstat);
/* does conf exist? */
if(config_lstat_ret) {
/* if not, can we write to where it should be? */
if(g_access("/etc/", W_OK)) {
g_printf("%s\n", "no write permissions for /etc/! exiting..");
return FALSE;
}
int config_descr;
config_descr = g_open(config_path, O_CREAT, 644);
gchar *posix_hostname;
posix_hostname = g_malloc(HOST_NAME_MAX);
gethostname(posix_hostname, HOST_NAME_MAX);
g_key_file_set_string(config, "hostnamed", "Hostname", posix_hostname);
g_key_file_set_string(config, "hostnamed", "PrettyHostname", "");
g_key_file_set_string(config, "hostnamed", "IconName", "Computer");
g_key_file_set_string(config, "hostnamed", "ChassisType", "laptop"); //TODO set these correctly
if(!g_key_file_save_to_file(config, config_path, NULL)) {
g_printf("failed to write config to %s!\n", config_path);
g_free(posix_hostname);
return FALSE;
}
g_printf("wrote config to %s\n", config_path);
g_free(posix_hostname);
return TRUE;
/* it does exist, read it */
} else {
if(g_access(config_path, W_OK)) {
g_printf("%s\n", "no write permissions for /etc/! exiting..");
return FALSE;
} else if(g_key_file_load_from_file(config, config_path, G_KEY_FILE_KEEP_COMMENTS, NULL))
return TRUE;
g_printf("could not read config at %s! exiting..", config_path);
return FALSE;
}
}
gboolean init_xml() {
const gchar * const *data_dir_prefix;
int xml_lstat_ret;
GStatBuf *xml_lstat;
data_dir_prefix = g_get_system_data_dirs();
data_dir = g_strconcat(data_dir_prefix[0], "systemd_compat", NULL);
xml_lstat_ret = g_lstat(data_dir, xml_lstat);
/* does xml dir exist? */
if(xml_lstat_ret) {
/* if not, can we write to where it should be? */
if(g_access(data_dir_prefix[0], W_OK)) {
g_printf("no write permissions for %s! exiting...\n", data_dir_prefix[0]);
return FALSE;
}
g_printf("creating xml data directory %s...\n", data_dir);
if(g_mkdir(data_dir, 644) || g_access) {
g_printf("failed to create dir %s...\n", data_dir);
return FALSE;
}
/* read in xml files from conf/ */
if(!read_xml_from_installconf()) {
g_printf("failed to read xml configs in conf/...\n");
return FALSE;
}
/* write our configs to system data dir */
if(!populate_xml_data_dir()) {
g_printf("failed to write xml configs to %s...\n", data_dir);
return FALSE;
}
/* get descriptors from freshly-installed configs */
if(!set_xml_descriptors()) {
g_printf("failed to fopen xml configs...\n");
return FALSE;
}
return TRUE;
/* it does exist, read it */
} else {
if(!set_xml_descriptors()) {
g_printf("failed to fopen xml configs...\n");
return FALSE;
}
return TRUE;
}
}
void clean_config() {
//TODO g_ptr_array all of this
g_free(config);
g_free(data_dir);
g_close(config_descr, NULL);
}
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