| 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 | |
| 21 | static GKeyFile *config; |
| 22 | static int config_descr; |
| 23 | |
| 24 | static gchar *data_dir; |
| 25 | |
| 26 | /*static int hostnamed_ispect_xml_descr, hostnamed_dbus_xml_descr; |
| 27 | static int localed_ispect_xml_descr, localed_dbus_xml_descr; |
| 28 | static int timedated_ispect_xml_descr, timedated_dbus_xml_descr; |
| 29 | static int logind_ispect_xml_descr, logind_dbus_xml_descr; |
| 30 | |
| 31 | /*TODO depending on builtin xml flag, these should be matched to checksums */ /* |
| 32 | static gchar **hostnamed_ispect_xml, hostnamed_dbus_xml; |
| 33 | static gchar **localed_ispect_xml, localed_dbus_xml; |
| 34 | static gchar **timedated_ispect_xml, timedated_dbus_xml; |
| 35 | static gchar **logind_ispect_xml, logind_dbus_xml; */ |
| 36 | |
| 37 | static void set_xml_descriptors(); |
| 38 | |
| 39 | static const gchar *CONFIG_KEYS[] = { |
| 40 | "PrettyHostname", |
| 41 | "IconName", |
| 42 | "ChassisType" |
| 43 | }; |
| 44 | |
| 45 | /* NULL if key doesn't exist */ |
| 46 | gchar *get_option(gchar *key, gchar *group) { |
| 47 | |
| 48 | if(!group) |
| 49 | group = "default"; |
| 50 | |
| 51 | return g_key_file_get_string(config, group, key, NULL); |
| 52 | } |
| 53 | |
| 54 | /* false if key isn't already defined or value is invalid */ |
| 55 | gboolean set_option(gchar *key, gchar *value, gchar *group) { |
| 56 | |
| 57 | if(!group) |
| 58 | group = "default"; |
| 59 | |
| 60 | if(!g_key_file_get_string(config, group, key, NULL)) |
| 61 | return FALSE; |
| 62 | |
| 63 | //TODO safteycheck value |
| 64 | g_key_file_set_string(config, group, key, value); |
| 65 | return TRUE; |
| 66 | } |
| 67 | |
| 68 | /* initial load/check */ |
| 69 | gboolean config_init() { |
| 70 | |
| 71 | if(config) |
| 72 | return TRUE; //already init'd |
| 73 | |
| 74 | config = g_key_file_new(); |
| 75 | |
| 76 | const gchar *config_path; |
| 77 | GStatBuf *config_lstat; |
| 78 | |
| 79 | config_path = "/etc/systemd_compat.conf"; |
| 80 | |
| 81 | /* does conf exist? */ |
| 82 | if(g_lstat(config_path, config_lstat)) { |
| 83 | |
| 84 | /* if not, can we write it */ |
| 85 | if(g_access("/etc/", W_OK)) { |
| 86 | g_printf("%s\n", "no write permissions for /etc/! exiting.."); |
| 87 | return FALSE; |
| 88 | } |
| 89 | |
| 90 | int config_descr; |
| 91 | config_descr = g_open(config_path, O_CREAT, 644); |
| 92 | |
| 93 | gchar *posix_hostname; |
| 94 | posix_hostname = g_malloc(HOST_NAME_MAX); |
| 95 | |
| 96 | gethostname(posix_hostname, HOST_NAME_MAX); |
| 97 | |
| 98 | g_key_file_set_string(config, "hostnamed", "Hostname", posix_hostname); |
| 99 | g_key_file_set_string(config, "hostnamed", "PrettyHostname", ""); |
| 100 | g_key_file_set_string(config, "hostnamed", "IconName", "Computer"); |
| 101 | g_key_file_set_string(config, "hostnamed", "ChassisType", "laptop"); //TODO set these correctly |
| 102 | |
| 103 | if(!g_key_file_save_to_file(config, config_path, NULL)) { |
| 104 | g_printf("failed to write config to %s!\n", config_path); |
| 105 | g_free(posix_hostname); |
| 106 | return FALSE; |
| 107 | } |
| 108 | |
| 109 | g_printf("wrote config to %s\n", config_path); |
| 110 | |
| 111 | g_free(posix_hostname); |
| 112 | |
| 113 | return TRUE; |
| 114 | |
| 115 | /* it does exist, read it */ |
| 116 | } else { |
| 117 | |
| 118 | if(!g_access(config_path, W_OK)) { |
| 119 | g_printf("%s\n", "no write permissions for /etc/! exiting.."); |
| 120 | return FALSE; |
| 121 | } else if(g_key_file_load_from_file(config, config_path, G_KEY_FILE_KEEP_COMMENTS, NULL)) |
| 122 | return TRUE; |
| 123 | |
| 124 | g_printf("could not read config at %s! exiting..", config_path); |
| 125 | return FALSE; |
| 126 | } |
| 127 | } |
| 128 | |
| 129 | gboolean init_xml() { |
| 130 | |
| 131 | const gchar * const *data_dir_prefix; |
| 132 | |
| 133 | data_dir_prefix = g_get_system_data_dirs(); |
| 134 | data_dir = g_strconcat(data_dir_prefix[0], "systemd_compat", NULL); |
| 135 | |
| 136 | GStatBuf *xml_lstat; |
| 137 | |
| 138 | /* does xml dir exist? */ |
| 139 | if(g_lstat(data_dir, xml_lstat)) { |
| 140 | |
| 141 | /* if not, can we write it? */ |
| 142 | if(g_access(data_dir_prefix[0], W_OK)) { |
| 143 | g_printf("no write permissions for %s! exiting...\n", data_dir_prefix[0]); |
| 144 | return FALSE; |
| 145 | } |
| 146 | |
| 147 | g_printf("creating xml data directory %s...\n", data_dir); |
| 148 | if(g_mkdir(data_dir, 644)) { |
| 149 | g_printf("failed to create dir %s...\n", data_dir); |
| 150 | return FALSE; |
| 151 | } |
| 152 | |
| 153 | set_xml_descriptors(); |
| 154 | } |
| 155 | return TRUE; /* kill me! */ |
| 156 | } /* kill me too!*/ |
| 157 | |
| 158 | //LEFTOFF |
| 159 | |
| 160 | /* gchar *posix_hostname; |
| 161 | posix_hostname = g_malloc(255); |
| 162 | |
| 163 | gethostname(posix_hostname, 255); |
| 164 | |
| 165 | g_key_file_set_string(config, "hostnamed", "Hostname", posix_hostname); |
| 166 | g_key_file_set_string(config, "hostnamed", "PrettyHostname", ""); |
| 167 | g_key_file_set_string(config, "hostnamed", "IconName", "Computer"); |
| 168 | g_key_file_set_string(config, "hostnamed", "ChassisType", "laptop"); //TODO set these correctly |
| 169 | |
| 170 | if(!g_key_file_save_to_file(config, config_path, NULL)) { |
| 171 | g_printf("failed to write config to %s!\n", config_path); |
| 172 | g_free(posix_hostname); |
| 173 | return FALSE; |
| 174 | } |
| 175 | |
| 176 | g_printf("wrote config to %s\n", config_path); |
| 177 | |
| 178 | g_free(posix_hostname); |
| 179 | |
| 180 | return TRUE; |
| 181 | |
| 182 | /* it does exist, read it */ /* |
| 183 | } else { |
| 184 | |
| 185 | if(!g_access(config_path, W_OK)) { |
| 186 | g_printf("%s\n", "no write permissions for /etc/! exiting.."); |
| 187 | return FALSE; |
| 188 | } else if(g_key_file_load_from_file(config, config_path, G_KEY_FILE_KEEP_COMMENTS, NULL)) { |
| 189 | config_descr = g_open(config_path, O_RDWR, 644); |
| 190 | return TRUE; |
| 191 | } |
| 192 | |
| 193 | g_printf("could not read config at %s! exiting..", config_path); |
| 194 | return FALSE; |
| 195 | } |
| 196 | |
| 197 | |
| 198 | return TRUE; |
| 199 | } */ |
| 200 | |
| 201 | static void set_xml_descriptors() { |
| 202 | |
| 203 | } |
| 204 | |
| 205 | void clean_config() { |
| 206 | |
| 207 | //TODO g_ptr_array all of this |
| 208 | g_free(config); |
| 209 | g_free(data_dir); |
| 210 | g_close(config_descr, NULL); |
| 211 | } |