Blob: main.c
Blob id: 1c7390e6329d04eb6b504841c411ea8561419145
Size: 34.6 KB
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1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 | // SPDX-License-Identifier: GPL-2.0-or-later /* * * BlueZ - Bluetooth protocol stack for Linux * * Copyright (C) 2000-2001 Qualcomm Incorporated * Copyright (C) 2002-2003 Maxim Krasnyansky <maxk@qualcomm.com> * Copyright (C) 2002-2010 Marcel Holtmann <marcel@holtmann.org> * * */ #ifdef HAVE_CONFIG_H #include <config.h> #endif #define _GNU_SOURCE #include <errno.h> #include <stdio.h> #include <unistd.h> #include <stdlib.h> #include <string.h> #include <signal.h> #include <stdbool.h> #include <limits.h> #include <sys/signalfd.h> #include <sys/types.h> #include <sys/stat.h> #include <glib.h> #include <dbus/dbus.h> #include "bluetooth/bluetooth.h" #include "bluetooth/sdp.h" #include "gdbus/gdbus.h" #include "btio/btio.h" #include "log.h" #include "backtrace.h" #include "shared/att-types.h" #include "shared/mainloop.h" #include "shared/timeout.h" #include "shared/queue.h" #include "shared/crypto.h" #include "bluetooth/uuid.h" #include "shared/util.h" #include "btd.h" #include "sdpd.h" #include "adapter.h" #include "device.h" #include "dbus-common.h" #include "agent.h" #include "profile.h" #define BLUEZ_NAME "org.bluez" #define DEFAULT_PAIRABLE_TIMEOUT 0 /* disabled */ #define DEFAULT_DISCOVERABLE_TIMEOUT 180 /* 3 minutes */ #define DEFAULT_TEMPORARY_TIMEOUT 30 /* 30 seconds */ #define DEFAULT_NAME_REQUEST_RETRY_DELAY 300 /* 5 minutes */ #define SHUTDOWN_GRACE_SECONDS 10 struct btd_opts btd_opts; static GKeyFile *main_conf; static char main_conf_file_path[PATH_MAX]; static const char *supported_options[] = { "Name", "Class", "DiscoverableTimeout", "AlwaysPairable", "PairableTimeout", "DeviceID", "ReverseServiceDiscovery", "NameResolving", "DebugKeys", "ControllerMode", "MaxControllers", "MultiProfile", "FastConnectable", "SecureConnections", "Privacy", "JustWorksRepairing", "TemporaryTimeout", "RefreshDiscovery", "Experimental", "Testing", "KernelExperimental", "RemoteNameRequestRetryDelay", "FilterDiscoverable", NULL }; static const char *br_options[] = { "PageScanType", "PageScanInterval", "PageScanWindow", "InquiryScanType", "InquiryScanInterval", "InquiryScanWindow", "LinkSupervisionTimeout", "PageTimeout", "MinSniffInterval", "MaxSniffInterval", NULL }; static const char *le_options[] = { "CentralAddressResolution", "MinAdvertisementInterval", "MaxAdvertisementInterval", "MultiAdvertisementRotationInterval", "ScanIntervalAutoConnect", "ScanWindowAutoConnect", "ScanIntervalSuspend", "ScanWindowSuspend", "ScanIntervalDiscovery", "ScanWindowDiscovery", "ScanIntervalAdvMonitoring", "ScanWindowAdvMonitoring", "ScanIntervalConnect", "ScanWindowConnect", "MinConnectionInterval", "MaxConnectionInterval", "ConnectionLatency", "ConnectionSupervisionTimeout", "Autoconnecttimeout", "AdvMonAllowlistScanDuration", "AdvMonNoFilterScanDuration", "EnableAdvMonInterleaveScan", NULL }; static const char *policy_options[] = { "ReconnectUUIDs", "ReconnectAttempts", "ReconnectIntervals", "AutoEnable", "ResumeDelay", NULL }; static const char *gatt_options[] = { "Cache", "KeySize", "ExchangeMTU", "Channels", "Client", "ExportClaimedServices", NULL }; static const char *csip_options[] = { "SIRK", "Encryption", "Size", "Rank", NULL }; static const char *avdtp_options[] = { "SessionMode", "StreamMode", NULL }; static const char *avrcp_options[] = { "VolumeWithoutTarget", "VolumeCategory", NULL }; static const char *advmon_options[] = { "RSSISamplingPeriod", NULL }; static const struct group_table { const char *name; const char **options; } valid_groups[] = { { "General", supported_options }, { "BR", br_options }, { "LE", le_options }, { "Policy", policy_options }, { "GATT", gatt_options }, { "CSIS", csip_options }, { "AVDTP", avdtp_options }, { "AVRCP", avrcp_options }, { "AdvMon", advmon_options }, { } }; #ifndef MIN #define MIN(x, y) ((x) < (y) ? (x) : (y)) #endif static int8_t check_sirk_alpha_numeric(char *str) { int8_t val = 0; char *s = str; if (strlen(s) != 32) /* 32 Bytes of Alpha numeric string */ return 0; for ( ; *s; s++) { if (((*s >= '0') & (*s <= '9')) || ((*s >= 'a') && (*s <= 'z')) || ((*s >= 'A') && (*s <= 'Z'))) { val = 1; } else { val = 0; break; } } return val; } static size_t hex2bin(const char *hexstr, uint8_t *buf, size_t buflen) { size_t i, len; if (!hexstr) return 0; len = MIN((strlen(hexstr) / 2), buflen); memset(buf, 0, len); for (i = 0; i < len; i++) { if (sscanf(hexstr + (i * 2), "%02hhX", &buf[i]) != 1) continue; } return len; } GKeyFile *btd_get_main_conf(void) { return main_conf; } static GKeyFile *load_config(const char *name) { GError *err = NULL; GKeyFile *keyfile; int len; if (name) snprintf(main_conf_file_path, PATH_MAX, "%s", name); else { const char *configdir = getenv("CONFIGURATION_DIRECTORY"); /* Check if running as service */ if (configdir) { /* Check if there multiple paths given */ if (strstr(configdir, ":")) len = strstr(configdir, ":") - configdir; else len = strlen(configdir); } else { configdir = CONFIGDIR; len = strlen(configdir); } snprintf(main_conf_file_path, PATH_MAX, "%*s/main.conf", len, configdir); } keyfile = g_key_file_new(); g_key_file_set_list_separator(keyfile, ','); if (!g_key_file_load_from_file(keyfile, main_conf_file_path, 0, &err)) { if (!g_error_matches(err, G_FILE_ERROR, G_FILE_ERROR_NOENT)) error("Parsing %s failed: %s", main_conf_file_path, err->message); g_error_free(err); g_key_file_free(keyfile); return NULL; } return keyfile; } static void parse_did(const char *did) { int result; uint16_t vendor, product, version , source; vendor = 0x0000; product = 0x0000; version = 0x0000; source = 0x0002; if (!strcasecmp(did, "false")) { source = 0x0000; goto done; } result = sscanf(did, "bluetooth:%4hx:%4hx:%4hx", &vendor, &product, &version); if (result != EOF && result >= 2) { source = 0x0001; goto done; } result = sscanf(did, "usb:%4hx:%4hx:%4hx", &vendor, &product, &version); if (result != EOF && result >= 2) goto done; result = sscanf(did, "%4hx:%4hx:%4hx", &vendor, &product, &version); if (result == EOF || result < 2) return; done: btd_opts.did_source = source; btd_opts.did_vendor = vendor; btd_opts.did_product = product; btd_opts.did_version = version; } static bt_gatt_cache_t parse_gatt_cache_str(const char *cache) { if (!strcmp(cache, "always")) { return BT_GATT_CACHE_ALWAYS; } else if (!strcmp(cache, "yes")) { return BT_GATT_CACHE_YES; } else if (!strcmp(cache, "no")) { return BT_GATT_CACHE_NO; } else { DBG("Invalid value for KeepCache=%s", cache); return BT_GATT_CACHE_ALWAYS; } } static enum jw_repairing_t parse_jw_repairing(const char *jw_repairing) { if (!strcmp(jw_repairing, "never")) { return JW_REPAIRING_NEVER; } else if (!strcmp(jw_repairing, "confirm")) { return JW_REPAIRING_CONFIRM; } else if (!strcmp(jw_repairing, "always")) { return JW_REPAIRING_ALWAYS; } else { return JW_REPAIRING_NEVER; } } static void check_options(GKeyFile *config, const char *group, const char **options) { char **keys; int i; keys = g_key_file_get_keys(config, group, NULL, NULL); for (i = 0; keys != NULL && keys[i] != NULL; i++) { bool found; unsigned int j; found = false; for (j = 0; options != NULL && options[j] != NULL; j++) { if (g_str_equal(keys[i], options[j])) { found = true; break; } } if (!found) warn("Unknown key %s for group %s in %s", keys[i], group, main_conf_file_path); } g_strfreev(keys); } static void check_config(GKeyFile *config) { char **keys; int i; const struct group_table *group; if (!config) return; keys = g_key_file_get_groups(config, NULL); for (i = 0; keys != NULL && keys[i] != NULL; i++) { bool match = false; for (group = valid_groups; group && group->name ; group++) { if (g_str_equal(keys[i], group->name)) { match = true; break; } } if (!match) warn("Unknown group %s in %s", keys[i], main_conf_file_path); } g_strfreev(keys); for (group = valid_groups; group && group->name; group++) check_options(config, group->name, group->options); } static int get_mode(const char *str) { if (strcmp(str, "dual") == 0) return BT_MODE_DUAL; else if (strcmp(str, "bredr") == 0) return BT_MODE_BREDR; else if (strcmp(str, "le") == 0) return BT_MODE_LE; error("Unknown controller mode \"%s\"", str); return BT_MODE_DUAL; } static bool parse_config_string(GKeyFile *config, const char *group, const char *key, char **val) { GError *err = NULL; char *tmp; tmp = g_key_file_get_string(config, group, key, &err); if (err) { if (err->code != G_KEY_FILE_ERROR_KEY_NOT_FOUND) DBG("%s", err->message); g_error_free(err); return false; } DBG("%s.%s = %s", group, key, tmp); if (val) { g_free(*val); *val = tmp; } return true; } static bool parse_config_int(GKeyFile *config, const char *group, const char *key, int *val, size_t min, size_t max) { size_t tmp; char *str = NULL; char *endptr = NULL; if (!parse_config_string(config, group, key, &str)) return false; tmp = strtol(str, &endptr, 0); if (!endptr || *endptr != '\0') { error("%s.%s = %s is not integer", group, key, str); g_free(str); return false; } if (tmp < min) { g_free(str); warn("%s.%s = %zu is out of range (< %zu)", group, key, tmp, min); return false; } if (tmp > max) { g_free(str); warn("%s.%s = %zu is out of range (> %zu)", group, key, tmp, max); return false; } g_free(str); if (val) *val = tmp; return true; } struct config_param { const char * const val_name; void * const val; const size_t size; const uint16_t min; const uint16_t max; }; static void parse_mode_config(GKeyFile *config, const char *group, const struct config_param *params, size_t params_len) { size_t i; if (!config) return; for (i = 0; i < params_len; ++i) { int val; if (parse_config_int(config, group, params[i].val_name, &val, params[i].min, params[i].max)) { val = htobl(val); memcpy(params[i].val, &val, params[i].size); } ++btd_opts.defaults.num_entries; } } static void parse_br_config(GKeyFile *config) { static const struct config_param params[] = { { "PageScanType", &btd_opts.defaults.br.page_scan_type, sizeof(btd_opts.defaults.br.page_scan_type), 0, 1}, { "PageScanInterval", &btd_opts.defaults.br.page_scan_interval, sizeof(btd_opts.defaults.br.page_scan_interval), 0x0012, 0x1000}, { "PageScanWindow", &btd_opts.defaults.br.page_scan_win, sizeof(btd_opts.defaults.br.page_scan_win), 0x0011, 0x1000}, { "InquiryScanType", &btd_opts.defaults.br.scan_type, sizeof(btd_opts.defaults.br.scan_type), 0, 1}, { "InquiryScanInterval", &btd_opts.defaults.br.scan_interval, sizeof(btd_opts.defaults.br.scan_interval), 0x0012, 0x1000}, { "InquiryScanWindow", &btd_opts.defaults.br.scan_win, sizeof(btd_opts.defaults.br.scan_win), 0x0011, 0x1000}, { "LinkSupervisionTimeout", &btd_opts.defaults.br.link_supervision_timeout, sizeof(btd_opts.defaults.br.link_supervision_timeout), 0x0001, 0xFFFF}, { "PageTimeout", &btd_opts.defaults.br.page_timeout, sizeof(btd_opts.defaults.br.page_timeout), 0x0001, 0xFFFF}, { "MinSniffInterval", &btd_opts.defaults.br.min_sniff_interval, sizeof(btd_opts.defaults.br.min_sniff_interval), 0x0001, 0xFFFE}, { "MaxSniffInterval", &btd_opts.defaults.br.max_sniff_interval, sizeof(btd_opts.defaults.br.max_sniff_interval), 0x0001, 0xFFFE}, }; if (btd_opts.mode == BT_MODE_LE) return; parse_mode_config(config, "BR", params, ARRAY_SIZE(params)); } static void parse_le_config(GKeyFile *config) { static const struct config_param params[] = { { "CentralAddressResolution", &btd_opts.defaults.le.addr_resolution, sizeof(btd_opts.defaults.le.addr_resolution), 0, 1}, { "MinAdvertisementInterval", &btd_opts.defaults.le.min_adv_interval, sizeof(btd_opts.defaults.le.min_adv_interval), 0x0020, 0x4000}, { "MaxAdvertisementInterval", &btd_opts.defaults.le.max_adv_interval, sizeof(btd_opts.defaults.le.max_adv_interval), 0x0020, 0x4000}, { "MultiAdvertisementRotationInterval", &btd_opts.defaults.le.adv_rotation_interval, sizeof(btd_opts.defaults.le.adv_rotation_interval), 0x0001, 0xFFFF}, { "ScanIntervalAutoConnect", &btd_opts.defaults.le.scan_interval_autoconnect, sizeof(btd_opts.defaults.le.scan_interval_autoconnect), 0x0004, 0x4000}, { "ScanWindowAutoConnect", &btd_opts.defaults.le.scan_win_autoconnect, sizeof(btd_opts.defaults.le.scan_win_autoconnect), 0x0004, 0x4000}, { "ScanIntervalSuspend", &btd_opts.defaults.le.scan_interval_suspend, sizeof(btd_opts.defaults.le.scan_interval_suspend), 0x0004, 0x4000}, { "ScanWindowSuspend", &btd_opts.defaults.le.scan_win_suspend, sizeof(btd_opts.defaults.le.scan_win_suspend), 0x0004, 0x4000}, { "ScanIntervalDiscovery", &btd_opts.defaults.le.scan_interval_discovery, sizeof(btd_opts.defaults.le.scan_interval_discovery), 0x0004, 0x4000}, { "ScanWindowDiscovery", &btd_opts.defaults.le.scan_win_discovery, sizeof(btd_opts.defaults.le.scan_win_discovery), 0x0004, 0x4000}, { "ScanIntervalAdvMonitor", &btd_opts.defaults.le.scan_interval_adv_monitor, sizeof(btd_opts.defaults.le.scan_interval_adv_monitor), 0x0004, 0x4000}, { "ScanWindowAdvMonitor", &btd_opts.defaults.le.scan_win_adv_monitor, sizeof(btd_opts.defaults.le.scan_win_adv_monitor), 0x0004, 0x4000}, { "ScanIntervalConnect", &btd_opts.defaults.le.scan_interval_connect, sizeof(btd_opts.defaults.le.scan_interval_connect), 0x0004, 0x4000}, { "ScanWindowConnect", &btd_opts.defaults.le.scan_win_connect, sizeof(btd_opts.defaults.le.scan_win_connect), 0x0004, 0x4000}, { "MinConnectionInterval", &btd_opts.defaults.le.min_conn_interval, sizeof(btd_opts.defaults.le.min_conn_interval), 0x0006, 0x0C80}, { "MaxConnectionInterval", &btd_opts.defaults.le.max_conn_interval, sizeof(btd_opts.defaults.le.max_conn_interval), 0x0006, 0x0C80}, { "ConnectionLatency", &btd_opts.defaults.le.conn_latency, sizeof(btd_opts.defaults.le.conn_latency), 0x0000, 0x01F3}, { "ConnectionSupervisionTimeout", &btd_opts.defaults.le.conn_lsto, sizeof(btd_opts.defaults.le.conn_lsto), 0x000A, 0x0C80}, { "Autoconnecttimeout", &btd_opts.defaults.le.autoconnect_timeout, sizeof(btd_opts.defaults.le.autoconnect_timeout), 0x0001, 0x4000}, { "AdvMonAllowlistScanDuration", &btd_opts.defaults.le.advmon_allowlist_scan_duration, sizeof(btd_opts.defaults.le.advmon_allowlist_scan_duration), 1, 10000}, { "AdvMonNoFilterScanDuration", &btd_opts.defaults.le.advmon_no_filter_scan_duration, sizeof(btd_opts.defaults.le.advmon_no_filter_scan_duration), 1, 10000}, { "EnableAdvMonInterleaveScan", &btd_opts.defaults.le.enable_advmon_interleave_scan, sizeof(btd_opts.defaults.le.enable_advmon_interleave_scan), 0, 1}, }; if (btd_opts.mode == BT_MODE_BREDR) return; parse_mode_config(config, "LE", params, ARRAY_SIZE(params)); } static bool match_experimental(const void *data, const void *match_data) { const char *value = data; const char *uuid = match_data; if (!strcmp(value, "*")) return true; return !strcasecmp(value, uuid); } bool btd_kernel_experimental_enabled(const char *uuid) { if (!btd_opts.kernel) return false; if (queue_find(btd_opts.kernel, match_experimental, uuid)) return true; return false; } static const char *valid_uuids[] = { "d4992530-b9ec-469f-ab01-6c481c47da1c", "671b10b5-42c0-4696-9227-eb28d1b049d6", "15c0a148-c273-11ea-b3de-0242ac130004", "330859bc-7506-492d-9370-9a6f0614037f", "a6695ace-ee7f-4fb9-881a-5fac66c629af", "6fbaf188-05e0-496a-9885-d6ddfdb4e03e", "*" }; static void btd_parse_kernel_experimental(char **list) { int i; if (btd_opts.kernel) { warn("Unable to parse KernelExperimental: list already set"); return; } btd_opts.kernel = queue_new(); for (i = 0; list[i]; i++) { size_t j; const char *uuid = list[i]; if (!strcasecmp("false", uuid) || !strcasecmp("off", uuid)) { queue_destroy(btd_opts.kernel, free); btd_opts.kernel = NULL; } if (!strcasecmp("true", uuid) || !strcasecmp("on", uuid)) uuid = "*"; for (j = 0; j < ARRAY_SIZE(valid_uuids); j++) { if (!strcasecmp(valid_uuids[j], uuid)) break; } /* Ignored if UUID is considered invalid */ if (j == ARRAY_SIZE(valid_uuids)) { warn("Invalid KernelExperimental UUID: %s", uuid); continue; } DBG("%s", uuid); queue_push_tail(btd_opts.kernel, strdup(uuid)); } } static bool gen_sirk(const char *str) { struct bt_crypto *crypto; int ret; crypto = bt_crypto_new(); if (!crypto) { error("Failed to open crypto"); return false; } ret = bt_crypto_sirk(crypto, str, btd_opts.did_vendor, btd_opts.did_product, btd_opts.did_version, btd_opts.did_source, btd_opts.csis.sirk); if (!ret) error("Failed to generate SIRK"); bt_crypto_unref(crypto); return ret; } static bool parse_config_u32(GKeyFile *config, const char *group, const char *key, uint32_t *val, uint32_t min, uint32_t max) { int tmp; if (!parse_config_int(config, group, key, &tmp, min, max)) return false; if (val) *val = tmp; return true; } static bool parse_config_u16(GKeyFile *config, const char *group, const char *key, uint16_t *val, uint16_t min, uint16_t max) { int tmp; if (!parse_config_int(config, group, key, &tmp, min, max)) return false; if (val) *val = tmp; return true; } static bool parse_config_u8(GKeyFile *config, const char *group, const char *key, uint8_t *val, uint8_t min, uint8_t max) { int tmp; if (!parse_config_int(config, group, key, &tmp, min, max)) return false; if (val) *val = tmp; return true; } static bool parse_config_bool(GKeyFile *config, const char *group, const char *key, bool *val) { GError *err = NULL; gboolean tmp; tmp = g_key_file_get_boolean(config, group, key, &err); if (err) { if (err->code != G_KEY_FILE_ERROR_KEY_NOT_FOUND) DBG("%s", err->message); g_error_free(err); return false; } DBG("%s.%s = %s", group, key, tmp ? "true" : "false"); if (val) *val = tmp; return true; } static void parse_privacy(GKeyFile *config) { char *str = NULL; if (!parse_config_string(config, "General", "Privacy", &str)) { btd_opts.privacy = 0x00; btd_opts.device_privacy = true; return; } if (!strcmp(str, "network") || !strcmp(str, "on")) { btd_opts.privacy = 0x01; } else if (!strcmp(str, "device")) { btd_opts.privacy = 0x01; btd_opts.device_privacy = true; } else if (!strcmp(str, "limited-network")) { if (btd_opts.mode != BT_MODE_DUAL) { DBG("Invalid privacy option: %s", str); btd_opts.privacy = 0x00; } btd_opts.privacy = 0x01; } else if (!strcmp(str, "limited-device")) { if (btd_opts.mode != BT_MODE_DUAL) { DBG("Invalid privacy option: %s", str); btd_opts.privacy = 0x00; } btd_opts.privacy = 0x02; btd_opts.device_privacy = true; } else if (!strcmp(str, "off")) { btd_opts.privacy = 0x00; btd_opts.device_privacy = true; } else { DBG("Invalid privacy option: %s", str); btd_opts.privacy = 0x00; } g_free(str); } static void parse_repairing(GKeyFile *config) { char *str = NULL; if (!parse_config_string(config, "General", "JustWorksRepairing", &str)) { btd_opts.jw_repairing = JW_REPAIRING_NEVER; return; } btd_opts.jw_repairing = parse_jw_repairing(str); g_free(str); } static bool parse_config_hex(GKeyFile *config, char *group, const char *key, uint32_t *val) { char *str = NULL; if (!parse_config_string(config, group, key, &str)) return false; if (val) *val = strtol(str, NULL, 16); g_free(str); return true; } static void parse_device_id(GKeyFile *config) { char *str = NULL; parse_config_string(config, "General", "DeviceID", &str); if (!str) return; parse_did(str); g_free(str); } static void parse_ctrl_mode(GKeyFile *config) { char *str = NULL; parse_config_string(config, "General", "ControllerMode", &str); if (!str) return; btd_opts.mode = get_mode(str); g_free(str); } static void parse_multi_profile(GKeyFile *config) { char *str = NULL; parse_config_string(config, "General", "MultiProfile", &str); if (!str) return; if (!strcmp(str, "single")) btd_opts.mps = MPS_SINGLE; else if (!strcmp(str, "multiple")) btd_opts.mps = MPS_MULTIPLE; else btd_opts.mps = MPS_OFF; g_free(str); } static gboolean parse_kernel_experimental(const char *key, const char *value, gpointer user_data, GError **error) { char **strlist; if (value && value[0] != '*') { strlist = g_strsplit(value, ",", -1); btd_parse_kernel_experimental(strlist); g_strfreev(strlist); } else { if (!btd_opts.kernel) btd_opts.kernel = queue_new(); queue_push_head(btd_opts.kernel, strdup("*")); } return TRUE; } static void parse_kernel_exp(GKeyFile *config) { char *str = NULL; if (!parse_config_string(config, "General", "KernelExperimental", &str)) return; parse_kernel_experimental(NULL, str, NULL, NULL); g_free(str); } static void parse_secure_conns(GKeyFile *config) { char *str = NULL; if (!parse_config_string(config, "General", "SecureConnections", &str)) return; if (!strcmp(str, "off")) btd_opts.secure_conn = SC_OFF; else if (!strcmp(str, "on")) btd_opts.secure_conn = SC_ON; else if (!strcmp(str, "only")) btd_opts.secure_conn = SC_ONLY; g_free(str); } static void parse_general(GKeyFile *config) { parse_config_string(config, "General", "Name", &btd_opts.name); parse_config_hex(config, "General", "Class", &btd_opts.class); parse_config_u32(config, "General", "DiscoverableTimeout", &btd_opts.discovto, 0, UINT32_MAX); parse_config_bool(config, "General", "AlwaysPairable", &btd_opts.pairable); parse_config_u32(config, "General", "PairableTimeout", &btd_opts.pairto, 0, UINT32_MAX); parse_device_id(config); parse_config_bool(config, "General", "ReverseServiceDiscovery", &btd_opts.reverse_discovery); parse_config_bool(config, "General", "NameResolving", &btd_opts.name_resolv); parse_config_bool(config, "General", "DebugKeys", &btd_opts.debug_keys); parse_ctrl_mode(config); parse_config_u16(config, "General", "MaxControllers", &btd_opts.max_adapters, 0, UINT16_MAX); parse_multi_profile(config); parse_config_bool(config, "General", "FastConnectable", &btd_opts.fast_conn); parse_privacy(config); parse_repairing(config); parse_config_u32(config, "General", "TemporaryTimeout", &btd_opts.tmpto, 0, UINT32_MAX); parse_config_bool(config, "General", "RefreshDiscovery", &btd_opts.refresh_discovery); parse_secure_conns(config); parse_config_bool(config, "General", "Experimental", &btd_opts.experimental); parse_config_bool(config, "General", "Testing", &btd_opts.testing); parse_kernel_exp(config); parse_config_u32(config, "General", "RemoteNameRequestRetryDelay", &btd_opts.name_request_retry_delay, 0, UINT32_MAX); parse_config_bool(config, "General", "FilterDiscoverable", &btd_opts.filter_discoverable); } static void parse_gatt_cache(GKeyFile *config) { char *str = NULL; parse_config_string(config, "GATT", "Cache", &str); if (!str) return; btd_opts.gatt_cache = parse_gatt_cache_str(str); g_free(str); } static enum bt_gatt_export_t parse_gatt_export_str(const char *str) { if (!strcmp(str, "no") || !strcmp(str, "false") || !strcmp(str, "off")) { return BT_GATT_EXPORT_OFF; } else if (!strcmp(str, "read-only")) { return BT_GATT_EXPORT_READ_ONLY; } else if (!strcmp(str, "read-write")) { return BT_GATT_EXPORT_READ_WRITE; } DBG("Invalid value for ExportClaimedServices=%s", str); return BT_GATT_EXPORT_READ_ONLY; } static void parse_gatt_export(GKeyFile *config) { char *str = NULL; parse_config_string(config, "GATT", "ExportClaimedServices", &str); if (!str) return; btd_opts.gatt_export = parse_gatt_export_str(str); g_free(str); } static void parse_gatt(GKeyFile *config) { parse_gatt_cache(config); parse_config_u8(config, "GATT", "KeySize", &btd_opts.key_size, 7, 16); parse_config_u16(config, "GATT", "ExchangeMTU", &btd_opts.gatt_mtu, BT_ATT_DEFAULT_LE_MTU, BT_ATT_MAX_LE_MTU); parse_config_u8(config, "GATT", "Channels", &btd_opts.gatt_channels, 1, 6); parse_config_bool(config, "GATT", "Client", &btd_opts.gatt_client); parse_gatt_export(config); } static void parse_csis_sirk(GKeyFile *config) { char *str = NULL; if (!parse_config_string(config, "CSIS", "SIRK", &str)) return; if (strlen(str) == 32 && check_sirk_alpha_numeric(str)) hex2bin(str, btd_opts.csis.sirk, sizeof(btd_opts.csis.sirk)); else if (!gen_sirk(str)) DBG("Unable to generate SIRK from string"); g_free(str); } static void parse_csis(GKeyFile *config) { parse_csis_sirk(config); parse_config_bool(config, "CSIS", "Encryption", &btd_opts.csis.encrypt); parse_config_u8(config, "CSIS", "Size", &btd_opts.csis.size, 0, UINT8_MAX); parse_config_u8(config, "CSIS", "Rank", &btd_opts.csis.rank, 0, UINT8_MAX); } static void parse_avdtp_session_mode(GKeyFile *config) { char *str = NULL; if (!parse_config_string(config, "AVDTP", "SessionMode", &str)) return; if (!strcmp(str, "basic")) btd_opts.avdtp.session_mode = BT_IO_MODE_BASIC; else if (!strcmp(str, "ertm")) btd_opts.avdtp.session_mode = BT_IO_MODE_ERTM; else { DBG("Invalid mode option: %s", str); btd_opts.avdtp.session_mode = BT_IO_MODE_BASIC; } g_free(str); } static void parse_avdtp_stream_mode(GKeyFile *config) { char *str = NULL; if (!parse_config_string(config, "AVDTP", "StreamMode", &str)) return; if (!strcmp(str, "basic")) btd_opts.avdtp.stream_mode = BT_IO_MODE_BASIC; else if (!strcmp(str, "streaming")) btd_opts.avdtp.stream_mode = BT_IO_MODE_STREAMING; else { DBG("Invalid mode option: %s", str); btd_opts.avdtp.stream_mode = BT_IO_MODE_BASIC; } g_free(str); } static void parse_avdtp(GKeyFile *config) { parse_avdtp_session_mode(config); parse_avdtp_stream_mode(config); } static void parse_avrcp(GKeyFile *config) { parse_config_bool(config, "AVRCP", "VolumeWithoutTarget", &btd_opts.avrcp.volume_without_target); parse_config_bool(config, "AVRCP", "VolumeCategory", &btd_opts.avrcp.volume_category); } static void parse_advmon(GKeyFile *config) { parse_config_u8(config, "AdvMon", "RSSISamplingPeriod", &btd_opts.advmon.rssi_sampling_period, 0, UINT8_MAX); } static void parse_config(GKeyFile *config) { if (!config) return; check_config(config); DBG("parsing %s", main_conf_file_path); /* Parse Groups */ parse_general(config); parse_br_config(config); parse_le_config(config); parse_gatt(config); parse_csis(config); parse_avdtp(config); parse_avrcp(config); parse_advmon(config); } static void init_defaults(void) { uint8_t major, minor; /* Default HCId settings */ memset(&btd_opts, 0, sizeof(btd_opts)); btd_opts.name = g_strdup_printf("BlueZ %s", VERSION); btd_opts.class = 0x000000; btd_opts.pairto = DEFAULT_PAIRABLE_TIMEOUT; btd_opts.discovto = DEFAULT_DISCOVERABLE_TIMEOUT; btd_opts.tmpto = DEFAULT_TEMPORARY_TIMEOUT; btd_opts.reverse_discovery = TRUE; btd_opts.name_resolv = TRUE; btd_opts.debug_keys = FALSE; btd_opts.refresh_discovery = TRUE; btd_opts.name_request_retry_delay = DEFAULT_NAME_REQUEST_RETRY_DELAY; btd_opts.secure_conn = SC_ON; btd_opts.filter_discoverable = true; btd_opts.defaults.num_entries = 0; btd_opts.defaults.br.page_scan_type = 0xFFFF; btd_opts.defaults.br.scan_type = 0xFFFF; btd_opts.defaults.le.addr_resolution = 0x01; btd_opts.defaults.le.enable_advmon_interleave_scan = 0xFF; if (sscanf(VERSION, "%hhu.%hhu", &major, &minor) != 2) return; btd_opts.did_source = 0x0002; /* USB */ btd_opts.did_vendor = 0x1d6b; /* Linux Foundation */ btd_opts.did_product = 0x0246; /* BlueZ */ btd_opts.did_version = (major << 8 | minor); btd_opts.gatt_cache = BT_GATT_CACHE_ALWAYS; btd_opts.gatt_mtu = BT_ATT_MAX_LE_MTU; btd_opts.gatt_channels = 1; btd_opts.gatt_client = true; btd_opts.gatt_export = BT_GATT_EXPORT_READ_ONLY; btd_opts.avdtp.session_mode = BT_IO_MODE_BASIC; btd_opts.avdtp.stream_mode = BT_IO_MODE_BASIC; btd_opts.avrcp.volume_without_target = false; btd_opts.avrcp.volume_category = true; btd_opts.advmon.rssi_sampling_period = 0xFF; btd_opts.csis.encrypt = true; } static void log_handler(const gchar *log_domain, GLogLevelFlags log_level, const gchar *message, gpointer user_data) { int priority; if (log_level & (G_LOG_LEVEL_ERROR | G_LOG_LEVEL_CRITICAL | G_LOG_LEVEL_WARNING)) priority = 0x03; else priority = 0x06; btd_log(0xffff, priority, "GLib: %s", message); btd_backtrace(0xffff); } void btd_exit(void) { mainloop_quit(); } static bool quit_eventloop(gpointer user_data) { btd_exit(); return FALSE; } static void signal_callback(int signum, void *user_data) { static bool terminated = false; switch (signum) { case SIGINT: case SIGTERM: if (!terminated) { info("Terminating"); timeout_add_seconds(SHUTDOWN_GRACE_SECONDS, quit_eventloop, NULL, NULL); mainloop_sd_notify("STATUS=Powering down"); adapter_shutdown(); } terminated = true; break; case SIGUSR2: __btd_toggle_debug(); break; } } static char *option_debug = NULL; static char *option_plugin = NULL; static char *option_noplugin = NULL; static char *option_configfile = NULL; static gboolean option_compat = FALSE; static gboolean option_detach = TRUE; static gboolean option_version = FALSE; static void free_options(void) { g_free(option_debug); option_debug = NULL; g_free(option_plugin); option_plugin = NULL; g_free(option_noplugin); option_noplugin = NULL; g_free(option_configfile); option_configfile = NULL; } static void disconnect_dbus(void) { DBusConnection *conn = btd_get_dbus_connection(); if (!conn || !dbus_connection_get_is_connected(conn)) return; g_dbus_detach_object_manager(conn); set_dbus_connection(NULL); dbus_connection_unref(conn); } static void disconnected_dbus(DBusConnection *conn, void *data) { info("Disconnected from D-Bus. Exiting."); mainloop_quit(); } static void dbus_debug(const char *str, void *data) { DBG_IDX(0xffff, "%s", str); } static int connect_dbus(void) { DBusConnection *conn; DBusError err; dbus_error_init(&err); conn = g_dbus_setup_bus(DBUS_BUS_SYSTEM, BLUEZ_NAME, &err); if (!conn) { if (dbus_error_is_set(&err)) { g_printerr("D-Bus setup failed: %s\n", err.message); dbus_error_free(&err); return -EIO; } return -EALREADY; } set_dbus_connection(conn); g_dbus_set_disconnect_function(conn, disconnected_dbus, NULL, NULL); g_dbus_attach_object_manager(conn); g_dbus_set_debug(dbus_debug, NULL, NULL); return 0; } static gboolean parse_debug(const char *key, const char *value, gpointer user_data, GError **error) { if (value) option_debug = g_strdup(value); else option_debug = g_strdup("*"); return TRUE; } static GOptionEntry options[] = { { "debug", 'd', G_OPTION_FLAG_OPTIONAL_ARG, G_OPTION_ARG_CALLBACK, parse_debug, "Specify debug options to enable", "DEBUG" }, { "plugin", 'p', 0, G_OPTION_ARG_STRING, &option_plugin, "Specify plugins to load", "NAME,..," }, { "noplugin", 'P', 0, G_OPTION_ARG_STRING, &option_noplugin, "Specify plugins not to load", "NAME,..." }, { "configfile", 'f', 0, G_OPTION_ARG_STRING, &option_configfile, "Specify an explicit path to the config file", "FILE"}, { "compat", 'C', 0, G_OPTION_ARG_NONE, &option_compat, "Provide deprecated command line interfaces" }, { "experimental", 'E', 0, G_OPTION_ARG_NONE, &btd_opts.experimental, "Enable experimental D-Bus interfaces" }, { "testing", 'T', 0, G_OPTION_ARG_NONE, &btd_opts.testing, "Enable testing D-Bus interfaces" }, { "kernel", 'K', G_OPTION_FLAG_OPTIONAL_ARG, G_OPTION_ARG_CALLBACK, parse_kernel_experimental, "Enable kernel experimental features" }, { "nodetach", 'n', G_OPTION_FLAG_REVERSE, G_OPTION_ARG_NONE, &option_detach, "Run with logging in foreground" }, { "version", 'v', 0, G_OPTION_ARG_NONE, &option_version, "Show version information and exit" }, { NULL }, }; int main(int argc, char *argv[]) { GOptionContext *context; GError *err = NULL; uint16_t sdp_mtu = 0; uint32_t sdp_flags = 0; int gdbus_flags = 0; init_defaults(); context = g_option_context_new(NULL); g_option_context_add_main_entries(context, options, NULL); if (g_option_context_parse(context, &argc, &argv, &err) == FALSE) { if (err != NULL) { g_printerr("%s\n", err->message); g_error_free(err); } else g_printerr("An unknown error occurred\n"); exit(1); } g_option_context_free(context); if (option_version == TRUE) { printf("%s\n", VERSION); exit(0); } umask(0077); btd_backtrace_init(); mainloop_init(); __btd_log_init(option_debug, option_detach); g_log_set_handler("GLib", G_LOG_LEVEL_MASK | G_LOG_FLAG_FATAL | G_LOG_FLAG_RECURSION, log_handler, NULL); mainloop_sd_notify("STATUS=Starting up"); main_conf = load_config(option_configfile); parse_config(main_conf); if (connect_dbus() < 0) { error("Unable to get on D-Bus"); exit(1); } if (btd_opts.experimental) gdbus_flags = G_DBUS_FLAG_ENABLE_EXPERIMENTAL; if (btd_opts.testing) gdbus_flags |= G_DBUS_FLAG_ENABLE_TESTING; g_dbus_set_flags(gdbus_flags); if (adapter_init() < 0) { error("Adapter handling initialization failed"); exit(1); } btd_device_init(); btd_agent_init(); btd_profile_init(); if (btd_opts.mode != BT_MODE_LE) { if (option_compat == TRUE) sdp_flags |= SDP_SERVER_COMPAT; start_sdp_server(sdp_mtu, sdp_flags); if (btd_opts.did_source > 0) register_device_id(btd_opts.did_source, btd_opts.did_vendor, btd_opts.did_product, btd_opts.did_version); } if (btd_opts.mps != MPS_OFF) register_mps(btd_opts.mps == MPS_MULTIPLE); /* Loading plugins has to be done after D-Bus has been setup since * the plugins might wanna expose some paths on the bus. However the * best order of how to init various subsystems of the Bluetooth * daemon needs to be re-worked. */ plugin_init(option_plugin, option_noplugin); /* no need to keep parsed option in memory */ free_options(); rfkill_init(); DBG("Entering main loop"); mainloop_sd_notify("STATUS=Running"); mainloop_sd_notify("READY=1"); mainloop_run_with_signal(signal_callback, NULL); mainloop_sd_notify("STATUS=Quitting"); plugin_cleanup(); btd_profile_cleanup(); btd_agent_cleanup(); btd_device_cleanup(); adapter_cleanup(); rfkill_exit(); if (btd_opts.mode != BT_MODE_LE) stop_sdp_server(); if (btd_opts.kernel) queue_destroy(btd_opts.kernel, free); if (main_conf) g_key_file_free(main_conf); disconnect_dbus(); info("Exit"); __btd_log_cleanup(); return 0; } |