| 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 <limits.h> |
| 19 | #include <signal.h> |
| 20 | #include <string.h> |
| 21 | |
| 22 | #include <sys/param.h> |
| 23 | #include <sys/sysctl.h> |
| 24 | #include <sys/sensors.h> |
| 25 | #include <sys/ioctl.h> |
| 26 | #include <sys/utsname.h> |
| 27 | |
| 28 | #include <machine/apmvar.h> |
| 29 | |
| 30 | #include <glib/gprintf.h> |
| 31 | #include <glib-unix.h> |
| 32 | #include <polkit/polkit.h> |
| 33 | |
| 34 | #include "hostnamed-gen.h" |
| 35 | #include "hostnamed.h" |
| 36 | |
| 37 | /* format: { |
| 38 | * (1) string to be matched against runtime machine's sysctl output. |
| 39 | * can be either the exact string or a substring contained |
| 40 | * within sysctl strings. no "guesses" here, a match should |
| 41 | * reliably indicate the chassis/icon. |
| 42 | * |
| 43 | * (2) string describing chassis type divulged by (1). |
| 44 | * must be one of "desktop", "laptop", "server", |
| 45 | * "tablet", "handset", "vm", "container" or NULL |
| 46 | * if only icon string can be ascertained. "vm" refers |
| 47 | * to operating systems running on baremetal hypervisors |
| 48 | * (hardware virtualization, like XEN) while "container" |
| 49 | * refers to OSs running on shared hypervisors like |
| 50 | * virtualbox or VMware. consider the distinction carefully |
| 51 | * as common virtualization software like KVM may share |
| 52 | * characteristics of both "vm" and "container" types. |
| 53 | * |
| 54 | * (3) string specifying icon to use. follows XDG icon spec. |
| 55 | * see http://standards.freedesktop.org/icon-naming-spec/icon-naming-spec-latest.html |
| 56 | * for allowed strings. |
| 57 | * |
| 58 | * (4) chassis precedence bit. TRUE if (2) is defined and |
| 59 | * we're certain it is the proper string. FALSE in the |
| 60 | * circumstance (2) may be the correct string, unless |
| 61 | * a match with this bit set to TRUE overrides it. |
| 62 | * if (2) is NULL, this bit is inconsequential. |
| 63 | * |
| 64 | * (5) icon precedence bit. see previous definition. |
| 65 | * } */ |
| 66 | struct SYSCTL_LOOKUP_TABLE { |
| 67 | gchar *match_string; |
| 68 | gchar *chassis; |
| 69 | gchar *icon; |
| 70 | gboolean chassis_precedence; |
| 71 | gboolean icon_precedence; |
| 72 | }; |
| 73 | |
| 74 | GPtrArray *hostnamed_freeable; |
| 75 | Hostname1 *hostnamed_interf; |
| 76 | |
| 77 | GMainLoop *hostnamed_loop; |
| 78 | |
| 79 | guint bus_descriptor; |
| 80 | gboolean dbus_interface_exported; /* reliable because of gdbus operational guarantees */ |
| 81 | |
| 82 | gchar *HOSTNAME, *STATIC_HOSTNAME, *PRETTY_HOSTNAME; |
| 83 | gchar *CHASSIS, *ICON; |
| 84 | gchar *KERN_NAME, *KERN_RELEASE, *KERN_VERS, *OS_CPENAME; |
| 85 | |
| 86 | /* TODO no specific vm or laptop icon in gnome |
| 87 | * NOTE paravirtualization on xen is only available for linuxes right now |
| 88 | * dmesg on linux systems reveals xen and virtualization method (HVM or PVM) |
| 89 | * but we will worry about those later */ |
| 90 | |
| 91 | /* add any sysctl strings that suggest virtualization here */ |
| 92 | const struct SYSCTL_LOOKUP_TABLE chassis_indicator_table[] = |
| 93 | { |
| 94 | { "QEMU Virtual CPU", "vm", NULL, FALSE, FALSE }, /* could be QEMU running in userspace or as part of KVM */ |
| 95 | { "KVM", "vm", "drive-multidisk", FALSE, FALSE }, |
| 96 | { "SmartDC HVM", "vm", "drive-multidisk", TRUE, TRUE }, /* illumos-joyent kvm */ |
| 97 | { "VirtualBox", "vm", "drive-multidisk", TRUE, TRUE }, |
| 98 | { "VMware, Inc.", "vm", "drive-multidisk", TRUE, TRUE }, |
| 99 | { "VMware Virtual Platform", "vm", "drive-multidisk", TRUE, TRUE }, |
| 100 | { "Parallels", "vm", "drive-multidisk", TRUE, TRUE }, /* need verification */ |
| 101 | { "Xen", "vm", "drive-multidisk", FALSE, FALSE } |
| 102 | }; /* TODO: chroots, etc. are the actual "containers", add them */ |
| 103 | |
| 104 | /* archs to check against when determining if machine is server */ |
| 105 | const gchar *server_archs[] = { |
| 106 | "hppa", |
| 107 | "sparc", |
| 108 | "sparc64" |
| 109 | }; |
| 110 | |
| 111 | /* --- begin method/property/dbus signal code --- */ |
| 112 | |
| 113 | /* TODO the extra boolean passed to these funcs is for policykit auth */ |
| 114 | /* TODO complete call with error, message, etc */ |
| 115 | static gboolean |
| 116 | on_handle_set_hostname(Hostname1 *hn1_passed_interf, |
| 117 | GDBusMethodInvocation *invoc, |
| 118 | const gchar *greet, |
| 119 | gpointer data) { |
| 120 | GVariant *params; |
| 121 | gchar *proposed_hostname, *valid_hostname_buf; |
| 122 | gboolean policykit_auth, ret; |
| 123 | size_t check_length; |
| 124 | |
| 125 | proposed_hostname = NULL; |
| 126 | ret = FALSE; |
| 127 | |
| 128 | params = g_dbus_method_invocation_get_parameters(invoc); |
| 129 | g_variant_get(params, "(sb)", &proposed_hostname, &policykit_auth); |
| 130 | |
| 131 | if(proposed_hostname && (valid_hostname_buf = g_hostname_to_ascii(proposed_hostname))) { |
| 132 | |
| 133 | check_length = strnlen(proposed_hostname, MAXHOSTNAMELEN + 1); |
| 134 | |
| 135 | if(check_length > MAXHOSTNAMELEN) |
| 136 | g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.hostname1.Error.ENAMETOOLONG", "Hostname string exceeded maximum length."); |
| 137 | |
| 138 | else if(sethostname(proposed_hostname, check_length)) |
| 139 | g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.hostname1.Error.EACCES", "Insufficient permissions to change hostname."); |
| 140 | |
| 141 | else { |
| 142 | HOSTNAME = proposed_hostname; |
| 143 | hostname1_set_hostname(hn1_passed_interf, HOSTNAME); |
| 144 | ret = TRUE; |
| 145 | hostname1_complete_set_hostname(hn1_passed_interf, invoc); |
| 146 | } |
| 147 | } |
| 148 | |
| 149 | if(proposed_hostname) |
| 150 | g_free(proposed_hostname); |
| 151 | if(valid_hostname_buf) |
| 152 | g_free(valid_hostname_buf); |
| 153 | |
| 154 | return ret; |
| 155 | } |
| 156 | |
| 157 | static gboolean |
| 158 | on_handle_set_static_hostname(Hostname1 *hn1_passed_interf, |
| 159 | GDBusMethodInvocation *invoc, |
| 160 | const gchar *greet, |
| 161 | gpointer data) { |
| 162 | return FALSE; |
| 163 | } |
| 164 | |
| 165 | static gboolean |
| 166 | on_handle_set_pretty_hostname(Hostname1 *hn1_passed_interf, |
| 167 | GDBusMethodInvocation *invoc, |
| 168 | const gchar *greet, |
| 169 | gpointer data) { |
| 170 | return FALSE; |
| 171 | } |
| 172 | |
| 173 | static gboolean |
| 174 | on_handle_set_chassis(Hostname1 *hn1_passed_interf, |
| 175 | GDBusMethodInvocation *invoc, |
| 176 | const gchar *greet, |
| 177 | gpointer data) { |
| 178 | return FALSE; |
| 179 | } |
| 180 | |
| 181 | static gboolean |
| 182 | on_handle_set_icon_name(Hostname1 *hn1_passed_interf, |
| 183 | GDBusMethodInvocation *invoc, |
| 184 | const gchar *greet, |
| 185 | gpointer data) { |
| 186 | return FALSE; |
| 187 | } |
| 188 | |
| 189 | /* note: all hostnamed/hostname1's properties are read-only, |
| 190 | * and do not need set_ functions, gdbus-codegen realized |
| 191 | * this from the XML and handled the to-be error of trying |
| 192 | * to set a read-only property's value |
| 193 | */ |
| 194 | |
| 195 | const gchar * |
| 196 | our_get_hostname() { |
| 197 | |
| 198 | gchar *hostname_buf; |
| 199 | hostname_buf = (gchar *)g_malloc0(MAXHOSTNAMELEN); |
| 200 | |
| 201 | if(gethostname(hostname_buf, MAXHOSTNAMELEN)) |
| 202 | return "localhost.home.network"; /* TODO bomb out here probably */ |
| 203 | |
| 204 | else if(!g_strcmp0(HOSTNAME, hostname_buf)) { |
| 205 | |
| 206 | g_free(hostname_buf); |
| 207 | return HOSTNAME; |
| 208 | } |
| 209 | |
| 210 | g_ptr_array_add(hostnamed_freeable, hostname_buf); |
| 211 | HOSTNAME = hostname_buf; |
| 212 | hostname1_set_hostname(hostnamed_interf, HOSTNAME); |
| 213 | |
| 214 | return HOSTNAME; |
| 215 | } |
| 216 | |
| 217 | const gchar * |
| 218 | our_get_static_hostname() { |
| 219 | |
| 220 | if(STATIC_HOSTNAME && g_strcmp0(STATIC_HOSTNAME, "")) |
| 221 | return STATIC_HOSTNAME; |
| 222 | else if(HOSTNAME) |
| 223 | return HOSTNAME; |
| 224 | |
| 225 | return "localhost.home.network"; |
| 226 | } |
| 227 | |
| 228 | const gchar * |
| 229 | our_get_pretty_hostname() { |
| 230 | |
| 231 | if(PRETTY_HOSTNAME) |
| 232 | return PRETTY_HOSTNAME; |
| 233 | |
| 234 | return ""; |
| 235 | } |
| 236 | |
| 237 | const gchar * |
| 238 | our_get_chassis() { |
| 239 | |
| 240 | if(CHASSIS) |
| 241 | return CHASSIS; |
| 242 | |
| 243 | return "desktop"; /* this leads to the most generic beheivor in the unlikely case its returned */ |
| 244 | } |
| 245 | |
| 246 | const gchar * |
| 247 | our_get_icon_name() { |
| 248 | |
| 249 | if(ICON) |
| 250 | return ICON; |
| 251 | |
| 252 | return ""; |
| 253 | } |
| 254 | |
| 255 | const gchar * |
| 256 | our_get_kernel_name() { |
| 257 | |
| 258 | if(KERN_NAME) |
| 259 | return KERN_NAME; |
| 260 | |
| 261 | return ""; |
| 262 | } |
| 263 | |
| 264 | const gchar * |
| 265 | our_get_kernel_version() { |
| 266 | |
| 267 | if(KERN_VERS) |
| 268 | return KERN_VERS; |
| 269 | |
| 270 | return ""; |
| 271 | } |
| 272 | |
| 273 | const gchar * |
| 274 | our_get_kernel_release() { |
| 275 | |
| 276 | if(KERN_RELEASE) |
| 277 | return KERN_RELEASE; |
| 278 | |
| 279 | return ""; |
| 280 | } |
| 281 | |
| 282 | const gchar * |
| 283 | our_get_os_cpename() { |
| 284 | |
| 285 | return "ONEDAY"; |
| 286 | } |
| 287 | |
| 288 | const gchar * |
| 289 | our_get_os_pretty_name() { |
| 290 | |
| 291 | return "OpenBSD"; |
| 292 | } |
| 293 | |
| 294 | /* --- end method/property/dbus signal code, begin bus/name handlers --- */ |
| 295 | |
| 296 | static void hostnamed_on_bus_acquired(GDBusConnection *conn, |
| 297 | const gchar *name, |
| 298 | gpointer user_data) { |
| 299 | |
| 300 | g_printf("got bus/name, exporting %s's interface...\n", name); |
| 301 | |
| 302 | hostnamed_interf = hostname1_skeleton_new(); |
| 303 | |
| 304 | /* attach function pointers to generated struct's method handlers */ |
| 305 | g_signal_connect(hostnamed_interf, "handle-set-hostname", G_CALLBACK(on_handle_set_hostname), NULL); |
| 306 | g_signal_connect(hostnamed_interf, "handle-set-static-hostname", G_CALLBACK(on_handle_set_static_hostname), NULL); |
| 307 | g_signal_connect(hostnamed_interf, "handle-set-pretty-hostname", G_CALLBACK(on_handle_set_pretty_hostname), NULL); |
| 308 | g_signal_connect(hostnamed_interf, "handle-set-chassis", G_CALLBACK(on_handle_set_chassis), NULL); |
| 309 | g_signal_connect(hostnamed_interf, "handle-set-icon-name", G_CALLBACK(on_handle_set_icon_name), NULL); |
| 310 | |
| 311 | /* set our properties before export */ |
| 312 | hostname1_set_hostname(hostnamed_interf, our_get_hostname()); |
| 313 | hostname1_set_static_hostname(hostnamed_interf, our_get_static_hostname()); |
| 314 | hostname1_set_pretty_hostname(hostnamed_interf, our_get_pretty_hostname()); |
| 315 | hostname1_set_chassis(hostnamed_interf, our_get_chassis()); |
| 316 | hostname1_set_icon_name(hostnamed_interf, our_get_icon_name()); |
| 317 | hostname1_set_kernel_name(hostnamed_interf, our_get_kernel_name()); |
| 318 | hostname1_set_kernel_version(hostnamed_interf, our_get_kernel_version()); |
| 319 | hostname1_set_kernel_release(hostnamed_interf, our_get_kernel_release()); |
| 320 | hostname1_set_operating_system_cpename(hostnamed_interf, our_get_os_cpename()); |
| 321 | hostname1_set_operating_system_pretty_name(hostnamed_interf, our_get_os_pretty_name()); |
| 322 | |
| 323 | if(!g_dbus_interface_skeleton_export(G_DBUS_INTERFACE_SKELETON(hostnamed_interf), |
| 324 | conn, |
| 325 | "/org/freedesktop/hostname1", |
| 326 | NULL)) { |
| 327 | |
| 328 | g_printf("failed to export %s's interface!\n", name); /* unusual edge case, TODO check errno */ |
| 329 | hostnamed_mem_clean(); |
| 330 | |
| 331 | } else { |
| 332 | |
| 333 | dbus_interface_exported = TRUE; |
| 334 | g_printf("exported %s's interface on the system bus...\n", name); |
| 335 | } |
| 336 | } |
| 337 | |
| 338 | static void hostnamed_on_name_acquired(GDBusConnection *conn, |
| 339 | const gchar *name, |
| 340 | gpointer user_data) { |
| 341 | |
| 342 | g_printf("success!\n"); |
| 343 | } |
| 344 | |
| 345 | static void hostnamed_on_name_lost(GDBusConnection *conn, |
| 346 | const gchar *name, |
| 347 | gpointer user_data) { |
| 348 | |
| 349 | if(!conn) { |
| 350 | |
| 351 | g_printf("failed to connect to the system bus while trying to acquire name '%s': either dbus-daemon isn't running or we don't have permission to push names and/or their interfaces to it.\n", name); |
| 352 | hostnamed_mem_clean(); |
| 353 | } |
| 354 | |
| 355 | g_printf("lost name %s, exiting...\n", name); |
| 356 | |
| 357 | hostnamed_mem_clean(); |
| 358 | } |
| 359 | |
| 360 | /* --- end bus/name handlers, begin misc unix functions --- */ |
| 361 | |
| 362 | /* safe call to clean and then exit |
| 363 | * this stops our GMainLoop safely before letting main() return */ |
| 364 | void hostnamed_mem_clean() { |
| 365 | |
| 366 | g_printf("exiting...\n"); |
| 367 | |
| 368 | if(dbus_interface_exported) |
| 369 | g_dbus_interface_skeleton_unexport(G_DBUS_INTERFACE_SKELETON(hostnamed_interf)); |
| 370 | |
| 371 | if(g_main_loop_is_running(hostnamed_loop)) |
| 372 | g_main_loop_quit(hostnamed_loop); |
| 373 | |
| 374 | } |
| 375 | |
| 376 | /* wrapper for glib's unix signal handling; called only once if terminatating signal is raised against us */ |
| 377 | gboolean unix_sig_terminate_handler(gpointer data) { |
| 378 | |
| 379 | g_printf("caught SIGINT/HUP/TERM, exiting\n"); |
| 380 | |
| 381 | hostnamed_mem_clean(); |
| 382 | return G_SOURCE_REMOVE; |
| 383 | } |
| 384 | |
| 385 | void set_signal_handlers() { |
| 386 | |
| 387 | /* we don't care about its descriptor, we never need to unregister these */ |
| 388 | g_unix_signal_add(SIGINT, unix_sig_terminate_handler, NULL); |
| 389 | g_unix_signal_add(SIGHUP, unix_sig_terminate_handler, NULL); |
| 390 | g_unix_signal_add(SIGTERM, unix_sig_terminate_handler, NULL); |
| 391 | |
| 392 | /* TODO: the "only once" guarantee only counts towards specific signals. |
| 393 | * make sure calling a SIGINT and SIGHUP doesn't cause term_handler() |
| 394 | * to be called twice */ |
| 395 | } |
| 396 | |
| 397 | int main() { |
| 398 | |
| 399 | hostnamed_freeable = g_ptr_array_new(); |
| 400 | |
| 401 | /* TODO: check for valid, writable config at init. if no, complain to `make install` */ |
| 402 | |
| 403 | CHASSIS = ICON = OS_CPENAME = 0; |
| 404 | KERN_NAME = KERN_RELEASE = KERN_VERS = 0; |
| 405 | HOSTNAME = STATIC_HOSTNAME = PRETTY_HOSTNAME = NULL; |
| 406 | |
| 407 | set_signal_handlers(); |
| 408 | |
| 409 | if(!determine_chassis_and_icon() || !set_uname_properties() || !set_names()) |
| 410 | return 1; |
| 411 | |
| 412 | hostnamed_loop = g_main_loop_new(NULL, TRUE); |
| 413 | |
| 414 | bus_descriptor = g_bus_own_name(G_BUS_TYPE_SYSTEM, |
| 415 | "org.freedesktop.hostname1", |
| 416 | G_BUS_NAME_OWNER_FLAGS_NONE, |
| 417 | hostnamed_on_bus_acquired, |
| 418 | hostnamed_on_name_acquired, |
| 419 | hostnamed_on_name_lost, |
| 420 | NULL, |
| 421 | NULL); |
| 422 | |
| 423 | g_main_loop_run(hostnamed_loop); |
| 424 | /* runs until single g_main_loop_quit() call is raised inside <interface>_mem_clean() */ |
| 425 | g_main_loop_unref(hostnamed_loop); |
| 426 | |
| 427 | /* guaranteed unownable */ |
| 428 | g_bus_unown_name(bus_descriptor); |
| 429 | |
| 430 | /* at this point no operations can occur with our data, it is safe to free it + its container */ |
| 431 | g_ptr_array_free(hostnamed_freeable, TRUE); |
| 432 | |
| 433 | return 0; |
| 434 | } |
| 435 | |
| 436 | gboolean set_names() { |
| 437 | |
| 438 | /* (1) set up */ |
| 439 | gchar *hostname_buf, *static_hostname_buf, *pretty_hostname_buf; |
| 440 | GKeyFile *config; |
| 441 | size_t hostname_divider; |
| 442 | |
| 443 | hostname_buf = (gchar*) g_malloc0(MAXHOSTNAMELEN); |
| 444 | static_hostname_buf = (gchar*) g_malloc0(4096); |
| 445 | pretty_hostname_buf = (gchar*) g_malloc0(4096); |
| 446 | |
| 447 | config = g_key_file_new(); |
| 448 | |
| 449 | g_ptr_array_add(hostnamed_freeable, hostname_buf); |
| 450 | g_ptr_array_add(hostnamed_freeable, static_hostname_buf); |
| 451 | g_ptr_array_add(hostnamed_freeable, pretty_hostname_buf); |
| 452 | |
| 453 | /* (2) set HOSTNAME */ |
| 454 | if(gethostname(hostname_buf, MAXHOSTNAMELEN) || !g_strcmp0(hostname_buf, "")) |
| 455 | HOSTNAME = "localhost"; |
| 456 | |
| 457 | HOSTNAME = hostname_buf; |
| 458 | |
| 459 | /* this bit gets you the /etc/myname style hostname |
| 460 | hostname_divider = strcspn(hostname_buf, "."); |
| 461 | strncpy(ret, hostname_buf, hostname_divider); */ |
| 462 | |
| 463 | /* (3) set PRETTY_HOSTNAME */ |
| 464 | if(g_key_file_load_from_file(config, "/etc/systemd_compat.conf", G_KEY_FILE_NONE, NULL) |
| 465 | && (pretty_hostname_buf = g_key_file_get_value(config, "hostnamed", "PrettyHostname", NULL))) |
| 466 | PRETTY_HOSTNAME = pretty_hostname_buf; |
| 467 | else |
| 468 | PRETTY_HOSTNAME = ""; |
| 469 | |
| 470 | if(config) |
| 471 | g_key_file_unref(config); |
| 472 | |
| 473 | /* (4) set STATIC_HOSTNAME */ |
| 474 | if(!g_strcmp0(PRETTY_HOSTNAME, "")) |
| 475 | STATIC_HOSTNAME = HOSTNAME; |
| 476 | |
| 477 | else if((static_hostname_buf = g_hostname_to_ascii(PRETTY_HOSTNAME))) |
| 478 | STATIC_HOSTNAME = static_hostname_buf; |
| 479 | |
| 480 | return (HOSTNAME && STATIC_HOSTNAME && PRETTY_HOSTNAME) ? TRUE : FALSE; |
| 481 | |
| 482 | } |
| 483 | |
| 484 | gboolean set_uname_properties() { |
| 485 | |
| 486 | struct utsname un; |
| 487 | |
| 488 | if(-1 == uname(&un)) |
| 489 | return FALSE; |
| 490 | |
| 491 | KERN_NAME = (gchar*)g_malloc0(sizeof(un.sysname)); |
| 492 | g_ptr_array_add(hostnamed_freeable, KERN_NAME); |
| 493 | g_strlcpy(KERN_NAME, un.sysname, sizeof(un.sysname)); |
| 494 | |
| 495 | KERN_RELEASE = (gchar*)g_malloc0(sizeof(un.release)); |
| 496 | g_ptr_array_add(hostnamed_freeable, KERN_RELEASE); |
| 497 | g_strlcpy(KERN_RELEASE, un.release, sizeof(un.release)); |
| 498 | |
| 499 | KERN_VERS = (gchar*)g_malloc0(sizeof(un.version)); |
| 500 | g_ptr_array_add(hostnamed_freeable, KERN_VERS); |
| 501 | g_strlcpy(KERN_VERS, un.version, sizeof(un.version)); |
| 502 | |
| 503 | return TRUE; |
| 504 | } |
| 505 | |
| 506 | gboolean determine_chassis_and_icon() { |
| 507 | |
| 508 | const size_t bufsize = 4096; |
| 509 | |
| 510 | char *hwproduct, *hwmodel, *hwvendor, *hwmachine; |
| 511 | size_t hwproduct_size, hwmodel_size, hwvendor_size, hwmachine_size; |
| 512 | int hwproduct_name[2], hwmodel_name[2], hwvendor_name[2], hwmachine_name[2]; |
| 513 | unsigned int i; |
| 514 | gboolean UNSURE_CHASSIS_FLAG, UNSURE_ICON_FLAG; |
| 515 | |
| 516 | hwproduct_size = hwmodel_size = hwvendor_size = hwmachine_size = bufsize; |
| 517 | UNSURE_CHASSIS_FLAG = UNSURE_ICON_FLAG = FALSE; |
| 518 | i = 0; |
| 519 | |
| 520 | hwproduct = (char*)g_malloc0(4096); |
| 521 | hwmodel = (char*)g_malloc0(4096); |
| 522 | hwvendor = (char*)g_malloc0(4096); |
| 523 | hwmachine = (char*)g_malloc0(4096); |
| 524 | |
| 525 | g_ptr_array_add(hostnamed_freeable, hwproduct); |
| 526 | g_ptr_array_add(hostnamed_freeable, hwmodel); |
| 527 | g_ptr_array_add(hostnamed_freeable, hwvendor); |
| 528 | g_ptr_array_add(hostnamed_freeable, hwmachine); |
| 529 | |
| 530 | hwproduct_name[0] = CTL_HW; |
| 531 | hwproduct_name[1] = HW_PRODUCT; |
| 532 | |
| 533 | hwmodel_name[0] = CTL_HW; |
| 534 | hwmodel_name[1] = HW_MODEL; |
| 535 | |
| 536 | hwvendor_name[0] = CTL_HW; |
| 537 | hwvendor_name[1] = HW_VENDOR; |
| 538 | |
| 539 | hwmachine_name[0] = CTL_HW; |
| 540 | hwmachine_name[1] = HW_MACHINE; |
| 541 | |
| 542 | /* pass NULL buffer to check size first, then pass hw to be filled according to freshly-set hw_size */ |
| 543 | if(-1 == sysctl(hwproduct_name, 2, NULL, &hwproduct_size, NULL, 0) || -1 == sysctl(hwproduct_name, 2, hwproduct, &hwproduct_size, NULL, 0)) |
| 544 | return FALSE; |
| 545 | |
| 546 | if(-1 == sysctl(hwmodel_name, 2, NULL, &hwmodel_size, NULL, 0) || -1 == sysctl(hwmodel_name, 2, hwmodel, &hwmodel_size, NULL, 0)) |
| 547 | return FALSE; |
| 548 | |
| 549 | if(-1 == sysctl(hwvendor_name, 2, NULL, &hwvendor_size, NULL, 0) || -1 == sysctl(hwvendor_name, 2, hwvendor, &hwvendor_size, NULL, 0)) |
| 550 | return FALSE; |
| 551 | |
| 552 | if(-1 == sysctl(hwmachine_name, 2, NULL, &hwmachine_size, NULL, 0) || -1 == sysctl(hwmachine_name, 2, hwmachine, &hwmachine_size, NULL, 0)) |
| 553 | return FALSE; |
| 554 | |
| 555 | /* TODO: test for laptop, if not, dmidecode for desktop vs. server |
| 556 | * probably move this code to vm test func and set a global after running it early, once */ |
| 557 | |
| 558 | for(; i < G_N_ELEMENTS(chassis_indicator_table); i++) { |
| 559 | if(strcasestr(hwproduct, chassis_indicator_table[i].match_string) |
| 560 | || strcasestr(hwmodel, chassis_indicator_table[i].match_string) |
| 561 | || strcasestr(hwvendor, chassis_indicator_table[i].match_string)) { |
| 562 | |
| 563 | if(!UNSURE_CHASSIS_FLAG && chassis_indicator_table[i].chassis) { |
| 564 | |
| 565 | UNSURE_CHASSIS_FLAG = chassis_indicator_table[i].chassis_precedence; |
| 566 | CHASSIS = chassis_indicator_table[i].chassis; |
| 567 | } |
| 568 | |
| 569 | if(!UNSURE_ICON_FLAG && chassis_indicator_table[i].icon) { |
| 570 | |
| 571 | UNSURE_ICON_FLAG = chassis_indicator_table[i].icon_precedence; |
| 572 | ICON = chassis_indicator_table[i].icon; |
| 573 | } |
| 574 | } |
| 575 | } |
| 576 | |
| 577 | if(up_native_is_laptop()) { |
| 578 | |
| 579 | if(!CHASSIS) |
| 580 | CHASSIS = "laptop"; |
| 581 | if(!ICON) |
| 582 | ICON = "input-touchpad"; /* TODO pull an icon package that actually has the icons we're looking for */ |
| 583 | |
| 584 | } else if(is_server(hwmachine)) { |
| 585 | |
| 586 | if(!CHASSIS) |
| 587 | CHASSIS = "server"; |
| 588 | if(!ICON) |
| 589 | ICON = "uninterruptible-power-supply"; |
| 590 | |
| 591 | } else if(!CHASSIS || !ICON) { |
| 592 | |
| 593 | if(!CHASSIS) |
| 594 | CHASSIS = "desktop"; |
| 595 | if(!ICON) |
| 596 | ICON = "computer"; |
| 597 | } |
| 598 | |
| 599 | return (CHASSIS && ICON); |
| 600 | } |
| 601 | |
| 602 | gboolean is_server(gchar *arch) { |
| 603 | |
| 604 | unsigned int i; |
| 605 | |
| 606 | for(; i < G_N_ELEMENTS(server_archs); i++) |
| 607 | if(strcasestr(arch, server_archs[i])) |
| 608 | return TRUE; |
| 609 | |
| 610 | return FALSE; |
| 611 | } |
| 612 | |
| 613 | gboolean up_native_is_laptop() { |
| 614 | |
| 615 | struct apm_power_info bstate; |
| 616 | struct sensordev acpiac; |
| 617 | |
| 618 | if (up_native_get_sensordev("acpiac0", &acpiac)) |
| 619 | return TRUE; |
| 620 | |
| 621 | if (-1 == ioctl(up_apm_get_fd(), APM_IOC_GETPOWER, &bstate)) |
| 622 | g_error("ioctl on apm fd failed : %s", g_strerror(errno)); |
| 623 | |
| 624 | return bstate.ac_state != APM_AC_UNKNOWN; |
| 625 | } |
| 626 | |
| 627 | int up_apm_get_fd() { |
| 628 | |
| 629 | static int apm_fd = 0; |
| 630 | |
| 631 | if(apm_fd == 0) { |
| 632 | |
| 633 | g_debug("apm_fd is not initialized yet, opening"); |
| 634 | |
| 635 | /* open /dev/apm */ |
| 636 | if((apm_fd = open("/dev/apm", O_RDONLY)) == -1) { |
| 637 | if(errno != ENXIO && errno != ENOENT) |
| 638 | g_error("cannot open device file"); |
| 639 | } |
| 640 | } |
| 641 | |
| 642 | return apm_fd; |
| 643 | } |
| 644 | |
| 645 | gboolean up_native_get_sensordev(const char * id, struct sensordev * snsrdev) { |
| 646 | |
| 647 | int devn; |
| 648 | size_t sdlen = sizeof(struct sensordev); |
| 649 | int mib[] = {CTL_HW, HW_SENSORS, 0, 0 ,0}; |
| 650 | |
| 651 | for (devn = 0 ; ; devn++) { |
| 652 | mib[2] = devn; |
| 653 | if(sysctl(mib, 3, snsrdev, &sdlen, NULL, 0) == -1) { |
| 654 | if(errno == ENXIO) |
| 655 | continue; |
| 656 | if(errno == ENOENT) |
| 657 | break; |
| 658 | } |
| 659 | |
| 660 | if (!strcmp(snsrdev->xname, id)) |
| 661 | return TRUE; |
| 662 | } |
| 663 | |
| 664 | return FALSE; |
| 665 | } |