X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;ds=sidebyside;f=src%2Fbin%2Flttng-sessiond%2Fsessiond-config.c;h=707e57950f69ed5635bd46ab874624c84e0bb8c0;hb=HEAD;hp=f1e3dea9dd27ee726e67a311f6f118a9981628f6;hpb=7f5ed73a87449fc7133a2bf7268a7f59f191e155;p=lttng-tools.git diff --git a/src/bin/lttng-sessiond/sessiond-config.c b/src/bin/lttng-sessiond/sessiond-config.c deleted file mode 100644 index f1e3dea9d..000000000 --- a/src/bin/lttng-sessiond/sessiond-config.c +++ /dev/null @@ -1,555 +0,0 @@ -/* - * Copyright (C) 2017 - Jérémie Galarneau - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, version 2 only, - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "version.h" -#include "sessiond-config.h" -#include -#include "lttng-ust-ctl.h" -#include -#include -#include -#include -#include -#include -#include - -static -struct sessiond_config sessiond_config_build_defaults = { - .quiet = false, - .verbose = 0, - .verbose_consumer = 0, - - .agent_tcp_port = { .begin = DEFAULT_AGENT_TCP_PORT_RANGE_BEGIN, .end = DEFAULT_AGENT_TCP_PORT_RANGE_END }, - .app_socket_timeout = DEFAULT_APP_SOCKET_RW_TIMEOUT, - - .no_kernel = false, - .background = false, - .daemonize = false, - .sig_parent = false, - - .tracing_group_name.value = DEFAULT_TRACING_GROUP, - .kmod_probes_list.value = NULL, - .kmod_extra_probes_list.value = NULL, - - .rundir.value = NULL, - - .apps_unix_sock_path.value = NULL, - .client_unix_sock_path.value = NULL, - .wait_shm_path.value = NULL, - .health_unix_sock_path.value = NULL, - .lttng_ust_clock_plugin.value = NULL, - .pid_file_path.value = NULL, - .lock_file_path.value = NULL, - .agent_port_file_path.value = NULL, - .load_session_path.value = NULL, - - .consumerd32_path.value = NULL, - .consumerd32_bin_path.value = NULL, - .consumerd32_lib_dir.value = NULL, - .consumerd32_err_unix_sock_path.value = NULL, - .consumerd32_cmd_unix_sock_path.value = NULL, - - .consumerd64_path.value = NULL, - .consumerd64_bin_path.value = NULL, - .consumerd64_lib_dir.value = NULL, - .consumerd64_err_unix_sock_path.value = NULL, - .consumerd64_cmd_unix_sock_path.value = NULL, - - .kconsumerd_path.value = NULL, - .kconsumerd_err_unix_sock_path.value = NULL, - .kconsumerd_cmd_unix_sock_path.value = NULL, -}; - -static -void config_string_fini(struct config_string *str) -{ - config_string_set(str, NULL); -} - -static -void config_string_set_static(struct config_string *config_str, - const char *value) -{ - config_string_set(config_str, (char *) value); - config_str->should_free = false; -} - -/* Only use for dynamically-allocated strings. */ -LTTNG_HIDDEN -void config_string_set(struct config_string *config_str, char *value) -{ - assert(config_str); - if (config_str->should_free) { - free(config_str->value); - config_str->should_free = false; - } - - config_str->should_free = !!value; - config_str->value = value; -} - -LTTNG_HIDDEN -int sessiond_config_apply_env_config(struct sessiond_config *config) -{ - int ret = 0; - const char *env_value; - - env_value = getenv(DEFAULT_APP_SOCKET_TIMEOUT_ENV); - if (env_value) { - char *endptr; - long int_val; - - errno = 0; - int_val = strtoul(env_value, &endptr, 0); - if (errno != 0 || int_val > INT_MAX || - (int_val < 0 && int_val != -1)) { - ERR("Invalid value \"%s\" used for \"%s\" environment variable", - env_value, DEFAULT_APP_SOCKET_TIMEOUT_ENV); - ret = -1; - goto end; - } - - config->app_socket_timeout = int_val; - } - - env_value = lttng_secure_getenv("LTTNG_CONSUMERD32_BIN"); - if (env_value) { - config_string_set_static(&config->consumerd32_bin_path, - env_value); - } - env_value = lttng_secure_getenv("LTTNG_CONSUMERD64_BIN"); - if (env_value) { - config_string_set_static(&config->consumerd64_bin_path, - env_value); - } - - env_value = lttng_secure_getenv("LTTNG_CONSUMERD32_LIBDIR"); - if (env_value) { - config_string_set_static(&config->consumerd32_lib_dir, - env_value); - } - env_value = lttng_secure_getenv("LTTNG_CONSUMERD64_LIBDIR"); - if (env_value) { - config_string_set_static(&config->consumerd64_lib_dir, - env_value); - } - - env_value = lttng_secure_getenv("LTTNG_UST_CLOCK_PLUGIN"); - if (env_value) { - config_string_set_static(&config->lttng_ust_clock_plugin, - env_value); - } - - env_value = lttng_secure_getenv(DEFAULT_LTTNG_KMOD_PROBES); - if (env_value) { - config_string_set_static(&config->kmod_probes_list, - env_value); - } - - env_value = lttng_secure_getenv(DEFAULT_LTTNG_EXTRA_KMOD_PROBES); - if (env_value) { - config_string_set_static(&config->kmod_extra_probes_list, - env_value); - } -end: - return ret; -} - -static -int config_set_paths_root(struct sessiond_config *config) -{ - int ret = 0; - - config_string_set(&config->rundir, strdup(DEFAULT_LTTNG_RUNDIR)); - if (!config->rundir.value) { - ERR("Failed to set rundir"); - ret = -1; - goto end; - } - - config_string_set_static(&config->apps_unix_sock_path, - DEFAULT_GLOBAL_APPS_UNIX_SOCK); - config_string_set_static(&config->client_unix_sock_path, - DEFAULT_GLOBAL_CLIENT_UNIX_SOCK); - config_string_set_static(&config->wait_shm_path, - DEFAULT_GLOBAL_APPS_WAIT_SHM_PATH); - config_string_set_static(&config->health_unix_sock_path, - DEFAULT_GLOBAL_HEALTH_UNIX_SOCK); -end: - return ret; -} - -static -int config_set_paths_non_root(struct sessiond_config *config) -{ - int ret = 0; - const char *home_path = utils_get_home_dir(); - char *str; - - if (home_path == NULL) { - ERR("Can't get HOME directory for sockets creation."); - ret = -1; - goto end; - } - - /* - * Create rundir from home path. This will create something like - * $HOME/.lttng - */ - ret = asprintf(&str, DEFAULT_LTTNG_HOME_RUNDIR, home_path); - if (ret < 0) { - ERR("Failed to set rundir"); - goto end; - } - config_string_set(&config->rundir, str); - str = NULL; - - ret = asprintf(&str, DEFAULT_HOME_APPS_UNIX_SOCK, home_path); - if (ret < 0) { - ERR("Failed to set default home apps unix socket path"); - goto end; - } - config_string_set(&config->apps_unix_sock_path, str); - str = NULL; - - ret = asprintf(&str, DEFAULT_HOME_CLIENT_UNIX_SOCK, home_path); - if (ret < 0) { - ERR("Failed to set default home client unix socket path"); - goto end; - } - config_string_set(&config->client_unix_sock_path, str); - str = NULL; - - ret = asprintf(&str, DEFAULT_HOME_APPS_WAIT_SHM_PATH, getuid()); - if (ret < 0) { - ERR("Failed to set default home apps wait shm path"); - goto end; - } - config_string_set(&config->wait_shm_path, str); - str = NULL; - - ret = asprintf(&str, DEFAULT_HOME_HEALTH_UNIX_SOCK, home_path); - if (ret < 0) { - ERR("Failed to set default home health UNIX socket path"); - goto end; - } - config_string_set(&config->health_unix_sock_path, str); - str = NULL; - - ret = 0; -end: - return ret; -} - -LTTNG_HIDDEN -int sessiond_config_init(struct sessiond_config *config) -{ - int ret; - bool is_root = (getuid() == 0); - char *str; - - assert(config); - memcpy(config, &sessiond_config_build_defaults, sizeof(*config)); - - if (is_root) { - ret = config_set_paths_root(config); - } else { - ret = config_set_paths_non_root(config); - } - if (ret < 0) { - goto error; - } - - /* 32 bits consumerd path setup */ - ret = asprintf(&str, DEFAULT_USTCONSUMERD32_PATH, - config->rundir.value); - if (ret < 0) { - ERR("Failed to set 32-bit consumer path"); - goto error; - } - config_string_set(&config->consumerd32_path, str); - str = NULL; - - ret = asprintf(&str, DEFAULT_USTCONSUMERD32_ERR_SOCK_PATH, - config->rundir.value); - if (ret < 0) { - ERR("Failed to set 32-bit consumer error socket path"); - goto error; - } - config_string_set(&config->consumerd32_err_unix_sock_path, str); - str = NULL; - - ret = asprintf(&str, DEFAULT_USTCONSUMERD32_CMD_SOCK_PATH, - config->rundir.value); - if (ret < 0) { - ERR("Failed to set 32-bit consumer command socket path"); - goto error; - } - config_string_set(&config->consumerd32_cmd_unix_sock_path, str); - str = NULL; - - /* 64 bits consumerd path setup */ - ret = asprintf(&str, DEFAULT_USTCONSUMERD64_PATH, - config->rundir.value); - if (ret < 0) { - ERR("Failed to set 64-bit consumer path"); - goto error; - } - config_string_set(&config->consumerd64_path, str); - str = NULL; - - ret = asprintf(&str, DEFAULT_USTCONSUMERD64_ERR_SOCK_PATH, - config->rundir.value); - if (ret < 0) { - ERR("Failed to set 64-bit consumer error socket path"); - goto error; - } - config_string_set(&config->consumerd64_err_unix_sock_path, str); - str = NULL; - - ret = asprintf(&str, DEFAULT_USTCONSUMERD64_CMD_SOCK_PATH, - config->rundir.value); - if (ret < 0) { - ERR("Failed to set 64-bit consumer command socket path"); - goto error; - } - config_string_set(&config->consumerd64_cmd_unix_sock_path, str); - str = NULL; - - /* kconsumerd consumerd path setup */ - ret = asprintf(&str, DEFAULT_KCONSUMERD_PATH, - config->rundir.value); - if (ret < 0) { - ERR("Failed to set kernel consumer path"); - goto error; - } - config_string_set(&config->kconsumerd_path, str); - str = NULL; - - ret = asprintf(&str, DEFAULT_KCONSUMERD_ERR_SOCK_PATH, - config->rundir.value); - if (ret < 0) { - ERR("Failed to set kernel consumer error socket path"); - goto error; - } - config_string_set(&config->kconsumerd_err_unix_sock_path, str); - str = NULL; - - ret = asprintf(&str, DEFAULT_KCONSUMERD_CMD_SOCK_PATH, - config->rundir.value); - if (ret < 0) { - ERR("Failed to set kernel consumer command socket path"); - goto error; - } - config_string_set(&config->kconsumerd_cmd_unix_sock_path, str); - str = NULL; - - ret = asprintf(&str, "%s/%s", config->rundir.value, - DEFAULT_LTTNG_SESSIOND_PIDFILE); - if (ret < 0) { - ERR("Failed to set PID file path"); - goto error; - } - config_string_set(&config->pid_file_path, str); - str = NULL; - - ret = asprintf(&str, "%s/%s", config->rundir.value, - DEFAULT_LTTNG_SESSIOND_LOCKFILE); - if (ret < 0) { - ERR("Failed to set lock file path"); - goto error; - } - config_string_set(&config->lock_file_path, str); - str = NULL; - - ret = asprintf(&str, "%s/%s", config->rundir.value, - DEFAULT_LTTNG_SESSIOND_AGENTPORT_FILE); - if (ret < 0) { - ERR("Failed to set agent port file path"); - goto error; - } - config_string_set(&config->agent_port_file_path, str); - str = NULL; - - /* - * Allow INSTALL_BIN_PATH to be used as a target path for the - * native architecture size consumer if CONFIG_CONSUMER*_PATH - * has not been defined. - */ -#if (CAA_BITS_PER_LONG == 32) - config_string_set_static(&config->consumerd32_bin_path, - INSTALL_BIN_PATH "/" DEFAULT_CONSUMERD_FILE); - config_string_set_static(&config->consumerd32_lib_dir, - INSTALL_LIB_PATH); -#elif (CAA_BITS_PER_LONG == 64) - config_string_set_static(&config->consumerd64_bin_path, - INSTALL_BIN_PATH "/" DEFAULT_CONSUMERD_FILE); - config_string_set_static(&config->consumerd64_lib_dir, - INSTALL_LIB_PATH); -#else -#error "Unknown bitness" -#endif - ret = 0; - return ret; -error: - sessiond_config_fini(config); - return ret; -} - -LTTNG_HIDDEN -void sessiond_config_fini(struct sessiond_config *config) -{ - config_string_fini(&config->tracing_group_name); - config_string_fini(&config->kmod_probes_list); - config_string_fini(&config->kmod_extra_probes_list); - config_string_fini(&config->rundir); - config_string_fini(&config->apps_unix_sock_path); - config_string_fini(&config->client_unix_sock_path); - config_string_fini(&config->wait_shm_path); - config_string_fini(&config->health_unix_sock_path); - config_string_fini(&config->lttng_ust_clock_plugin); - config_string_fini(&config->pid_file_path); - config_string_fini(&config->lock_file_path); - config_string_fini(&config->load_session_path); - config_string_fini(&config->agent_port_file_path); - config_string_fini(&config->consumerd32_path); - config_string_fini(&config->consumerd32_bin_path); - config_string_fini(&config->consumerd32_lib_dir); - config_string_fini(&config->consumerd32_err_unix_sock_path); - config_string_fini(&config->consumerd32_cmd_unix_sock_path); - config_string_fini(&config->consumerd64_path); - config_string_fini(&config->consumerd64_bin_path); - config_string_fini(&config->consumerd64_lib_dir); - config_string_fini(&config->consumerd64_err_unix_sock_path); - config_string_fini(&config->consumerd64_cmd_unix_sock_path); - config_string_fini(&config->kconsumerd_path); - config_string_fini(&config->kconsumerd_err_unix_sock_path); - config_string_fini(&config->kconsumerd_cmd_unix_sock_path); -} - -static -int resolve_path(struct config_string *path) -{ - int ret = 0; - char *absolute_path; - - if (!path->value || path->value[0] == '/') { - goto end; - } - - absolute_path = utils_expand_path(path->value); - if (!absolute_path) { - ret = -1; - goto end; - } - - config_string_set(path, absolute_path); -end: - return ret; -} - -#define RESOLVE_CHECK(path_config_str) \ - if (resolve_path(path_config_str)) \ - return -1 - -LTTNG_HIDDEN -int sessiond_config_resolve_paths(struct sessiond_config *config) -{ - RESOLVE_CHECK(&config->apps_unix_sock_path); - RESOLVE_CHECK(&config->client_unix_sock_path); - RESOLVE_CHECK(&config->wait_shm_path); - RESOLVE_CHECK(&config->health_unix_sock_path); - RESOLVE_CHECK(&config->lttng_ust_clock_plugin); - RESOLVE_CHECK(&config->pid_file_path); - RESOLVE_CHECK(&config->lock_file_path); - RESOLVE_CHECK(&config->load_session_path); - RESOLVE_CHECK(&config->agent_port_file_path); - RESOLVE_CHECK(&config->consumerd32_path); - RESOLVE_CHECK(&config->consumerd32_bin_path); - RESOLVE_CHECK(&config->consumerd32_lib_dir); - RESOLVE_CHECK(&config->consumerd32_err_unix_sock_path); - RESOLVE_CHECK(&config->consumerd32_cmd_unix_sock_path); - RESOLVE_CHECK(&config->consumerd64_path); - RESOLVE_CHECK(&config->consumerd64_bin_path); - RESOLVE_CHECK(&config->consumerd64_lib_dir); - RESOLVE_CHECK(&config->consumerd64_err_unix_sock_path); - RESOLVE_CHECK(&config->consumerd64_cmd_unix_sock_path); - RESOLVE_CHECK(&config->kconsumerd_path); - RESOLVE_CHECK(&config->kconsumerd_err_unix_sock_path); - RESOLVE_CHECK(&config->kconsumerd_cmd_unix_sock_path); - return 0; -} - -LTTNG_HIDDEN -void sessiond_config_log(struct sessiond_config *config) -{ - DBG_NO_LOC("[sessiond configuration]"); - DBG_NO_LOC("\tversion %s", VERSION); - if (GIT_VERSION[0] != '\0') { - DBG_NO_LOC("\tgit version %s", GIT_VERSION); - } - if (EXTRA_VERSION_NAME[0] != '\0') { - DBG_NO_LOC("\textra version name %s", EXTRA_VERSION_NAME); - } - if (EXTRA_VERSION_DESCRIPTION[0] != '\0') { - DBG_NO_LOC("\textra version description:\n\t%s", EXTRA_VERSION_DESCRIPTION); - } - if (EXTRA_VERSION_PATCHES[0] != '\0') { - DBG_NO_LOC("\textra version patches:\n\t%s", EXTRA_VERSION_PATCHES); - } - DBG_NO_LOC("\tverbose: %i", config->verbose); - DBG_NO_LOC("\tverbose consumer: %i", config->verbose_consumer); - DBG_NO_LOC("\tquiet mode: %s", config->quiet ? "True" : "False"); - if (config->agent_tcp_port.begin == config->agent_tcp_port.end) { - DBG_NO_LOC("\tagent_tcp_port: %i", config->agent_tcp_port.begin); - } else { - DBG_NO_LOC("\tagent_tcp_port: [%i, %i]", - config->agent_tcp_port.begin, - config->agent_tcp_port.end); - } - DBG_NO_LOC("\tapplication socket timeout: %i", config->app_socket_timeout); - DBG_NO_LOC("\tno-kernel: %s", config->no_kernel ? "True" : "False"); - DBG_NO_LOC("\tbackground: %s", config->background ? "True" : "False"); - DBG_NO_LOC("\tdaemonize: %s", config->daemonize ? "True" : "False"); - DBG_NO_LOC("\tsignal parent on start: %s", config->sig_parent ? "True" : "False"); - DBG_NO_LOC("\ttracing group name: %s", config->tracing_group_name.value ? : "Unknown"); - DBG_NO_LOC("\tkmod_probe_list: %s", config->kmod_probes_list.value ? : "None"); - DBG_NO_LOC("\tkmod_extra_probe_list: %s", config->kmod_extra_probes_list.value ? : "None"); - DBG_NO_LOC("\trundir: %s", config->rundir.value ? : "Unknown"); - DBG_NO_LOC("\tapplication socket path: %s", config->apps_unix_sock_path.value ? : "Unknown"); - DBG_NO_LOC("\tclient socket path: %s", config->client_unix_sock_path.value ? : "Unknown"); - DBG_NO_LOC("\twait shm path: %s", config->wait_shm_path.value ? : "Unknown"); - DBG_NO_LOC("\thealth socket path: %s", config->health_unix_sock_path.value ? : "Unknown"); - DBG_NO_LOC("\tLTTNG_UST_CLOCK_PLUGIN: %s", config->lttng_ust_clock_plugin.value ? : "None"); - DBG_NO_LOC("\tpid file path: %s", config->pid_file_path.value ? : "Unknown"); - DBG_NO_LOC("\tlock file path: %s", config->lock_file_path.value ? : "Unknown"); - DBG_NO_LOC("\tsession load path: %s", config->load_session_path.value ? : "None"); - DBG_NO_LOC("\tagent port file path: %s", config->agent_port_file_path.value ? : "Unknown"); - DBG_NO_LOC("\tconsumerd32 path: %s", config->consumerd32_path.value ? : "Unknown"); - DBG_NO_LOC("\tconsumerd32 bin path: %s", config->consumerd32_bin_path.value ? : "Unknown"); - DBG_NO_LOC("\tconsumerd32 lib dir: %s", config->consumerd32_lib_dir.value ? : "Unknown"); - DBG_NO_LOC("\tconsumerd32 err unix sock path:%s", config->consumerd32_err_unix_sock_path.value ? : "Unknown"); - DBG_NO_LOC("\tconsumerd32 cmd unix sock path:%s", config->consumerd32_cmd_unix_sock_path.value ? : "Unknown"); - DBG_NO_LOC("\tconsumerd64 path: %s", config->consumerd64_path.value ? : "Unknown"); - DBG_NO_LOC("\tconsumerd64 bin path: %s", config->consumerd64_bin_path.value ? : "Unknown"); - DBG_NO_LOC("\tconsumerd64 lib dir: %s", config->consumerd64_lib_dir.value ? : "Unknown"); - DBG_NO_LOC("\tconsumerd64 err unix sock path:%s", config->consumerd64_err_unix_sock_path.value ? : "Unknown"); - DBG_NO_LOC("\tconsumerd64 cmd unix sock path:%s", config->consumerd64_cmd_unix_sock_path.value ? : "Unknown"); - DBG_NO_LOC("\tkconsumerd path: %s", config->kconsumerd_path.value ? : "Unknown"); - DBG_NO_LOC("\tkconsumerd err unix sock path: %s", config->kconsumerd_err_unix_sock_path.value ? : "Unknown"); - DBG_NO_LOC("\tkconsumerd cmd unix sock path: %s", config->kconsumerd_cmd_unix_sock_path.value ? : "Unknown"); -}