| 1 | /* |
| 2 | * Copyright (c) 2014 Ian Sutton <ian@kremlin.cc> |
| 3 | * |
| 4 | * Permission to use, copy, modify, and distribute this software for any |
| 5 | * purpose with or without fee is hereby granted, provided that the above |
| 6 | * copyright notice and this permission notice appear in all copies. |
| 7 | * |
| 8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| 11 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 13 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| 14 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 15 | */ |
| 16 | |
| 17 | #include <unistd.h> |
| 18 | #include <fcntl.h> |
| 19 | #include <gio/gio.h> |
| 20 | #include "config.h" |
| 21 | |
| 22 | static GKeyFile *config; |
| 23 | static int config_descr; |
| 24 | static gchar *data_dir; |
| 25 | |
| 26 | /* NULL if key doesn't exist */ |
| 27 | gchar *get_option(gchar *key, gchar *group) { |
| 28 | |
| 29 | if(!group) |
| 30 | group = "default"; |
| 31 | |
| 32 | return g_key_file_get_string(config, group, key, NULL); |
| 33 | } |
| 34 | |
| 35 | /* false if key isn't already defined or value is invalid */ |
| 36 | gboolean set_option(gchar *key, gchar *value, gchar *group) { |
| 37 | |
| 38 | if(!group) |
| 39 | group = "default"; |
| 40 | |
| 41 | if(!g_key_file_get_string(config, group, key, NULL)) |
| 42 | return FALSE; |
| 43 | |
| 44 | /* TODO safteycheck value */ |
| 45 | g_key_file_set_string(config, group, key, value); |
| 46 | return TRUE; |
| 47 | } |
| 48 | |
| 49 | /* initial load/check */ |
| 50 | gboolean config_init() { |
| 51 | |
| 52 | /* config is already set */ |
| 53 | if(config) |
| 54 | return TRUE; |
| 55 | |
| 56 | config = g_key_file_new(); |
| 57 | |
| 58 | const gchar *config_path; |
| 59 | GStatBuf *config_lstat; |
| 60 | int config_lstat_ret; |
| 61 | |
| 62 | config_path = "/etc/systemd_compat.conf"; |
| 63 | config_lstat_ret = g_lstat(config_path, config_lstat); |
| 64 | |
| 65 | if(g_access(config_path, W_OK)) { |
| 66 | |
| 67 | g_printf("%s\n", "no write permissions for /etc/! exiting.."); |
| 68 | return FALSE; |
| 69 | |
| 70 | } else if(g_key_file_load_from_file(config, config_path, G_KEY_FILE_KEEP_COMMENTS, NULL)) |
| 71 | return TRUE; |
| 72 | |
| 73 | g_printf("could not read config at %s! exiting..", config_path); |
| 74 | return FALSE; |
| 75 | } |
| 76 | |
| 77 | void clean_config() { |
| 78 | |
| 79 | /* TODO g_ptr_array all of this */ |
| 80 | g_free(config); |
| 81 | g_free(data_dir); |
| 82 | g_close(config_descr, NULL); |
| 83 | } |