src/bin/lttng-sessiond/sessiond-config.c

   1 /*
   2  * Copyright (C) 2017 Jérémie Galarneau <jeremie.galarneau@efficios.com>
   3  *
   4  * SPDX-License-Identifier: GPL-2.0-only
   5  *
   6  */
   7
   8 #include "version.h"
   9 #include "sessiond-config.h"
  10 #include <assert.h>
  11 #include "lttng-ust-ctl.h"
  12 #include <common/defaults.h>
  13 #include <limits.h>
  14 #include <errno.h>
  15 #include <ctype.h>
  16 #include <common/error.h>
  17 #include <common/utils.h>
  18 #include <common/compat/getenv.h>
  19
  20 static
  21 struct sessiond_config sessiond_config_build_defaults = {
  22         .quiet =                                false,
  23         .verbose =                              0,
  24         .verbose_consumer =                     0,
  25
  26         .agent_tcp_port =                       { .begin = DEFAULT_AGENT_TCP_PORT_RANGE_BEGIN, .end = DEFAULT_AGENT_TCP_PORT_RANGE_END },
  27         .app_socket_timeout =                   DEFAULT_APP_SOCKET_RW_TIMEOUT,
  28
  29         .no_kernel =                            false,
  30         .background =                           false,
  31         .daemonize =                            false,
  32         .sig_parent =                           false,
  33
  34         .tracing_group_name.value =             (char *) DEFAULT_TRACING_GROUP,
  35         .kmod_probes_list.value =               NULL,
  36         .kmod_extra_probes_list.value =         NULL,
  37
  38         .rundir.value =                         NULL,
  39
  40         .apps_unix_sock_path.value =            NULL,
  41         .client_unix_sock_path.value =          NULL,
  42         .wait_shm_path.value =                  NULL,
  43         .health_unix_sock_path.value =          NULL,
  44         .lttng_ust_clock_plugin.value =         NULL,
  45         .pid_file_path.value =                  NULL,
  46         .lock_file_path.value =                 NULL,
  47         .agent_port_file_path.value =           NULL,
  48         .load_session_path.value =              NULL,
  49
  50         .consumerd32_path.value =               NULL,
  51         .consumerd32_bin_path.value =           NULL,
  52         .consumerd32_lib_dir.value =            NULL,
  53         .consumerd32_err_unix_sock_path.value = NULL,
  54         .consumerd32_cmd_unix_sock_path.value = NULL,
  55
  56         .consumerd64_path.value =               NULL,
  57         .consumerd64_bin_path.value =           NULL,
  58         .consumerd64_lib_dir.value =            NULL,
  59         .consumerd64_err_unix_sock_path.value = NULL,
  60         .consumerd64_cmd_unix_sock_path.value = NULL,
  61
  62         .kconsumerd_path.value =                NULL,
  63         .kconsumerd_err_unix_sock_path.value =  NULL,
  64         .kconsumerd_cmd_unix_sock_path.value =  NULL,
  65 };
  66
  67 static
  68 void config_string_fini(struct config_string *str)
  69 {
  70         config_string_set(str, NULL);
  71 }
  72
  73 static
  74 void config_string_set_static(struct config_string *config_str,
  75                 const char *value)
  76 {
  77         config_string_set(config_str, (char *) value);
  78         config_str->should_free = false;
  79 }
  80
  81 /* Only use for dynamically-allocated strings. */
  82 LTTNG_HIDDEN
  83 void config_string_set(struct config_string *config_str, char *value)
  84 {
  85         assert(config_str);
  86         if (config_str->should_free) {
  87                 free(config_str->value);
  88                 config_str->should_free = false;
  89         }
  90
  91         config_str->should_free = !!value;
  92         config_str->value = value;
  93 }
  94
  95 LTTNG_HIDDEN
  96 int sessiond_config_apply_env_config(struct sessiond_config *config)
  97 {
  98         int ret = 0;
  99         const char *env_value;
 100
 101         env_value = getenv(DEFAULT_APP_SOCKET_TIMEOUT_ENV);
 102         if (env_value) {
 103                 char *endptr;
 104                 long int_val;
 105
 106                 errno = 0;
 107                 int_val = strtoul(env_value, &endptr, 0);
 108                 if (errno != 0 || int_val > INT_MAX ||
 109                                 (int_val < 0 && int_val != -1)) {
 110                         ERR("Invalid value \"%s\" used for \"%s\" environment variable",
 111                                         env_value, DEFAULT_APP_SOCKET_TIMEOUT_ENV);
 112                         ret = -1;
 113                         goto end;
 114                 }
 115
 116                 config->app_socket_timeout = int_val;
 117         }
 118
 119         env_value = lttng_secure_getenv("LTTNG_CONSUMERD32_BIN");
 120         if (env_value) {
 121                 config_string_set_static(&config->consumerd32_bin_path,
 122                                 env_value);
 123         }
 124         env_value = lttng_secure_getenv("LTTNG_CONSUMERD64_BIN");
 125         if (env_value) {
 126                 config_string_set_static(&config->consumerd64_bin_path,
 127                                 env_value);
 128         }
 129
 130         env_value = lttng_secure_getenv("LTTNG_CONSUMERD32_LIBDIR");
 131         if (env_value) {
 132                 config_string_set_static(&config->consumerd32_lib_dir,
 133                                 env_value);
 134         }
 135         env_value = lttng_secure_getenv("LTTNG_CONSUMERD64_LIBDIR");
 136         if (env_value) {
 137                 config_string_set_static(&config->consumerd64_lib_dir,
 138                                 env_value);
 139         }
 140
 141         env_value = lttng_secure_getenv("LTTNG_UST_CLOCK_PLUGIN");
 142         if (env_value) {
 143                 config_string_set_static(&config->lttng_ust_clock_plugin,
 144                                 env_value);
 145         }
 146
 147         env_value = lttng_secure_getenv(DEFAULT_LTTNG_KMOD_PROBES);
 148         if (env_value) {
 149                 config_string_set_static(&config->kmod_probes_list,
 150                                 env_value);
 151         }
 152
 153         env_value = lttng_secure_getenv(DEFAULT_LTTNG_EXTRA_KMOD_PROBES);
 154         if (env_value) {
 155                 config_string_set_static(&config->kmod_extra_probes_list,
 156                                 env_value);
 157         }
 158 end:
 159         return ret;
 160 }
 161
 162 static
 163 int config_set_paths_root(struct sessiond_config *config)
 164 {
 165         int ret = 0;
 166
 167         config_string_set(&config->rundir, strdup(DEFAULT_LTTNG_RUNDIR));
 168         if (!config->rundir.value) {
 169                 ERR("Failed to set rundir");
 170                 ret = -1;
 171                 goto end;
 172         }
 173
 174         config_string_set_static(&config->apps_unix_sock_path,
 175                         DEFAULT_GLOBAL_APPS_UNIX_SOCK);
 176         config_string_set_static(&config->client_unix_sock_path,
 177                         DEFAULT_GLOBAL_CLIENT_UNIX_SOCK);
 178         config_string_set_static(&config->wait_shm_path,
 179                         DEFAULT_GLOBAL_APPS_WAIT_SHM_PATH);
 180         config_string_set_static(&config->health_unix_sock_path,
 181                         DEFAULT_GLOBAL_HEALTH_UNIX_SOCK);
 182 end:
 183         return ret;
 184 }
 185
 186 static
 187 int config_set_paths_non_root(struct sessiond_config *config)
 188 {
 189         int ret = 0;
 190         const char *home_path = utils_get_home_dir();
 191         char *str;
 192
 193         if (home_path == NULL) {
 194                 ERR("Can't get HOME directory for sockets creation.");
 195                 ret = -1;
 196                 goto end;
 197         }
 198
 199         /*
 200          * Create rundir from home path. This will create something like
 201          * $HOME/.lttng
 202          */
 203         ret = asprintf(&str, DEFAULT_LTTNG_HOME_RUNDIR, home_path);
 204         if (ret < 0) {
 205                 ERR("Failed to set rundir");
 206                 goto end;
 207         }
 208         config_string_set(&config->rundir, str);
 209         str = NULL;
 210
 211         ret = asprintf(&str, DEFAULT_HOME_APPS_UNIX_SOCK, home_path);
 212         if (ret < 0) {
 213                 ERR("Failed to set default home apps unix socket path");
 214                 goto end;
 215         }
 216         config_string_set(&config->apps_unix_sock_path, str);
 217         str = NULL;
 218
 219         ret = asprintf(&str, DEFAULT_HOME_CLIENT_UNIX_SOCK, home_path);
 220         if (ret < 0) {
 221                 ERR("Failed to set default home client unix socket path");
 222                 goto end;
 223         }
 224         config_string_set(&config->client_unix_sock_path, str);
 225         str = NULL;
 226
 227         ret = asprintf(&str, DEFAULT_HOME_APPS_WAIT_SHM_PATH, getuid());
 228         if (ret < 0) {
 229                 ERR("Failed to set default home apps wait shm path");
 230                 goto end;
 231         }
 232         config_string_set(&config->wait_shm_path, str);
 233         str = NULL;
 234
 235         ret = asprintf(&str, DEFAULT_HOME_HEALTH_UNIX_SOCK, home_path);
 236         if (ret < 0) {
 237                 ERR("Failed to set default home health UNIX socket path");
 238                 goto end;
 239         }
 240         config_string_set(&config->health_unix_sock_path, str);
 241         str = NULL;
 242
 243         ret = 0;
 244 end:
 245         return ret;
 246 }
 247
 248 LTTNG_HIDDEN
 249 int sessiond_config_init(struct sessiond_config *config)
 250 {
 251         int ret;
 252         bool is_root = (getuid() == 0);
 253         char *str;
 254
 255         assert(config);
 256         memcpy(config, &sessiond_config_build_defaults, sizeof(*config));
 257
 258         if (is_root) {
 259                 ret = config_set_paths_root(config);
 260         } else {
 261                 ret = config_set_paths_non_root(config);
 262         }
 263         if (ret < 0) {
 264                 goto error;
 265         }
 266
 267         /* 32 bits consumerd path setup */
 268         ret = asprintf(&str, DEFAULT_USTCONSUMERD32_PATH,
 269                         config->rundir.value);
 270         if (ret < 0) {
 271                 ERR("Failed to set 32-bit consumer path");
 272                 goto error;
 273         }
 274         config_string_set(&config->consumerd32_path, str);
 275         str = NULL;
 276
 277         ret = asprintf(&str, DEFAULT_USTCONSUMERD32_ERR_SOCK_PATH,
 278                         config->rundir.value);
 279         if (ret < 0) {
 280                 ERR("Failed to set 32-bit consumer error socket path");
 281                 goto error;
 282         }
 283         config_string_set(&config->consumerd32_err_unix_sock_path, str);
 284         str = NULL;
 285
 286         ret = asprintf(&str, DEFAULT_USTCONSUMERD32_CMD_SOCK_PATH,
 287                         config->rundir.value);
 288         if (ret < 0) {
 289                 ERR("Failed to set 32-bit consumer command socket path");
 290                 goto error;
 291         }
 292         config_string_set(&config->consumerd32_cmd_unix_sock_path, str);
 293         str = NULL;
 294
 295         /* 64 bits consumerd path setup */
 296         ret = asprintf(&str, DEFAULT_USTCONSUMERD64_PATH,
 297                         config->rundir.value);
 298         if (ret < 0) {
 299                 ERR("Failed to set 64-bit consumer path");
 300                 goto error;
 301         }
 302         config_string_set(&config->consumerd64_path, str);
 303         str = NULL;
 304
 305         ret = asprintf(&str, DEFAULT_USTCONSUMERD64_ERR_SOCK_PATH,
 306                         config->rundir.value);
 307         if (ret < 0) {
 308                 ERR("Failed to set 64-bit consumer error socket path");
 309                 goto error;
 310         }
 311         config_string_set(&config->consumerd64_err_unix_sock_path, str);
 312         str = NULL;
 313
 314         ret = asprintf(&str, DEFAULT_USTCONSUMERD64_CMD_SOCK_PATH,
 315                         config->rundir.value);
 316         if (ret < 0) {
 317                 ERR("Failed to set 64-bit consumer command socket path");
 318                 goto error;
 319         }
 320         config_string_set(&config->consumerd64_cmd_unix_sock_path, str);
 321         str = NULL;
 322
 323         /* kconsumerd consumerd path setup */
 324         ret = asprintf(&str, DEFAULT_KCONSUMERD_PATH,
 325                         config->rundir.value);
 326         if (ret < 0) {
 327                 ERR("Failed to set kernel consumer path");
 328                 goto error;
 329         }
 330         config_string_set(&config->kconsumerd_path, str);
 331         str = NULL;
 332
 333         ret = asprintf(&str, DEFAULT_KCONSUMERD_ERR_SOCK_PATH,
 334                         config->rundir.value);
 335         if (ret < 0) {
 336                 ERR("Failed to set kernel consumer error socket path");
 337                 goto error;
 338         }
 339         config_string_set(&config->kconsumerd_err_unix_sock_path, str);
 340         str = NULL;
 341
 342         ret = asprintf(&str, DEFAULT_KCONSUMERD_CMD_SOCK_PATH,
 343                         config->rundir.value);
 344         if (ret < 0) {
 345                 ERR("Failed to set kernel consumer command socket path");
 346                 goto error;
 347         }
 348         config_string_set(&config->kconsumerd_cmd_unix_sock_path, str);
 349         str = NULL;
 350
 351         ret = asprintf(&str, "%s/%s", config->rundir.value,
 352                         DEFAULT_LTTNG_SESSIOND_PIDFILE);
 353         if (ret < 0) {
 354                 ERR("Failed to set PID file path");
 355                 goto error;
 356         }
 357         config_string_set(&config->pid_file_path, str);
 358         str = NULL;
 359
 360         ret = asprintf(&str, "%s/%s", config->rundir.value,
 361                         DEFAULT_LTTNG_SESSIOND_LOCKFILE);
 362         if (ret < 0) {
 363                 ERR("Failed to set lock file path");
 364                 goto error;
 365         }
 366         config_string_set(&config->lock_file_path, str);
 367         str = NULL;
 368
 369         ret = asprintf(&str, "%s/%s", config->rundir.value,
 370                         DEFAULT_LTTNG_SESSIOND_AGENTPORT_FILE);
 371         if (ret < 0) {
 372                 ERR("Failed to set agent port file path");
 373                 goto error;
 374         }
 375         config_string_set(&config->agent_port_file_path, str);
 376         str = NULL;
 377
 378         /*
 379          * Allow INSTALL_BIN_PATH to be used as a target path for the
 380          * native architecture size consumer if CONFIG_CONSUMER*_PATH
 381          * has not been defined.
 382          */
 383 #if (CAA_BITS_PER_LONG == 32)
 384         config_string_set_static(&config->consumerd32_bin_path,
 385                         INSTALL_BIN_PATH "/" DEFAULT_CONSUMERD_FILE);
 386         config_string_set_static(&config->consumerd32_lib_dir,
 387                         INSTALL_LIB_PATH);
 388 #elif (CAA_BITS_PER_LONG == 64)
 389         config_string_set_static(&config->consumerd64_bin_path,
 390                         INSTALL_BIN_PATH "/" DEFAULT_CONSUMERD_FILE);
 391         config_string_set_static(&config->consumerd64_lib_dir,
 392                         INSTALL_LIB_PATH);
 393 #else
 394 #error "Unknown bitness"
 395 #endif
 396         ret = 0;
 397         return ret;
 398 error:
 399         sessiond_config_fini(config);
 400         return ret;
 401 }
 402
 403 LTTNG_HIDDEN
 404 void sessiond_config_fini(struct sessiond_config *config)
 405 {
 406         config_string_fini(&config->tracing_group_name);
 407         config_string_fini(&config->kmod_probes_list);
 408         config_string_fini(&config->kmod_extra_probes_list);
 409         config_string_fini(&config->rundir);
 410         config_string_fini(&config->apps_unix_sock_path);
 411         config_string_fini(&config->client_unix_sock_path);
 412         config_string_fini(&config->wait_shm_path);
 413         config_string_fini(&config->health_unix_sock_path);
 414         config_string_fini(&config->lttng_ust_clock_plugin);
 415         config_string_fini(&config->pid_file_path);
 416         config_string_fini(&config->lock_file_path);
 417         config_string_fini(&config->load_session_path);
 418         config_string_fini(&config->agent_port_file_path);
 419         config_string_fini(&config->consumerd32_path);
 420         config_string_fini(&config->consumerd32_bin_path);
 421         config_string_fini(&config->consumerd32_lib_dir);
 422         config_string_fini(&config->consumerd32_err_unix_sock_path);
 423         config_string_fini(&config->consumerd32_cmd_unix_sock_path);
 424         config_string_fini(&config->consumerd64_path);
 425         config_string_fini(&config->consumerd64_bin_path);
 426         config_string_fini(&config->consumerd64_lib_dir);
 427         config_string_fini(&config->consumerd64_err_unix_sock_path);
 428         config_string_fini(&config->consumerd64_cmd_unix_sock_path);
 429         config_string_fini(&config->kconsumerd_path);
 430         config_string_fini(&config->kconsumerd_err_unix_sock_path);
 431         config_string_fini(&config->kconsumerd_cmd_unix_sock_path);
 432 }
 433
 434 static
 435 int resolve_path(struct config_string *path)
 436 {
 437         int ret = 0;
 438         char *absolute_path;
 439
 440         if (!path->value || path->value[0] == '/') {
 441                 goto end;
 442         }
 443
 444         absolute_path = utils_expand_path(path->value);
 445         if (!absolute_path) {
 446                 ret = -1;
 447                 goto end;
 448         }
 449
 450         config_string_set(path, absolute_path);
 451 end:
 452         return ret;
 453 }
 454
 455 #define RESOLVE_CHECK(path_config_str)          \
 456         if (resolve_path(path_config_str))      \
 457                 return -1
 458
 459 LTTNG_HIDDEN
 460 int sessiond_config_resolve_paths(struct sessiond_config *config)
 461 {
 462         RESOLVE_CHECK(&config->apps_unix_sock_path);
 463         RESOLVE_CHECK(&config->client_unix_sock_path);
 464         RESOLVE_CHECK(&config->wait_shm_path);
 465         RESOLVE_CHECK(&config->health_unix_sock_path);
 466         RESOLVE_CHECK(&config->lttng_ust_clock_plugin);
 467         RESOLVE_CHECK(&config->pid_file_path);
 468         RESOLVE_CHECK(&config->lock_file_path);
 469         RESOLVE_CHECK(&config->load_session_path);
 470         RESOLVE_CHECK(&config->agent_port_file_path);
 471         RESOLVE_CHECK(&config->consumerd32_path);
 472         RESOLVE_CHECK(&config->consumerd32_bin_path);
 473         RESOLVE_CHECK(&config->consumerd32_lib_dir);
 474         RESOLVE_CHECK(&config->consumerd32_err_unix_sock_path);
 475         RESOLVE_CHECK(&config->consumerd32_cmd_unix_sock_path);
 476         RESOLVE_CHECK(&config->consumerd64_path);
 477         RESOLVE_CHECK(&config->consumerd64_bin_path);
 478         RESOLVE_CHECK(&config->consumerd64_lib_dir);
 479         RESOLVE_CHECK(&config->consumerd64_err_unix_sock_path);
 480         RESOLVE_CHECK(&config->consumerd64_cmd_unix_sock_path);
 481         RESOLVE_CHECK(&config->kconsumerd_path);
 482         RESOLVE_CHECK(&config->kconsumerd_err_unix_sock_path);
 483         RESOLVE_CHECK(&config->kconsumerd_cmd_unix_sock_path);
 484         return 0;
 485 }
 486
 487 LTTNG_HIDDEN
 488 void sessiond_config_log(struct sessiond_config *config)
 489 {
 490         DBG_NO_LOC("[sessiond configuration]");
 491         DBG_NO_LOC("\tversion                        %s", VERSION);
 492         if (GIT_VERSION[0] != '\0') {
 493                 DBG_NO_LOC("\tgit version                    %s", GIT_VERSION);
 494         }
 495         if (EXTRA_VERSION_NAME[0] != '\0') {
 496                 DBG_NO_LOC("\textra version name             %s", EXTRA_VERSION_NAME);
 497         }
 498         if (EXTRA_VERSION_DESCRIPTION[0] != '\0') {
 499                 DBG_NO_LOC("\textra version description:\n\t%s", EXTRA_VERSION_DESCRIPTION);
 500         }
 501         if (EXTRA_VERSION_PATCHES[0] != '\0') {
 502                 DBG_NO_LOC("\textra version patches:\n\t%s", EXTRA_VERSION_PATCHES);
 503         }
 504         DBG_NO_LOC("\tverbose:                       %i", config->verbose);
 505         DBG_NO_LOC("\tverbose consumer:              %i", config->verbose_consumer);
 506         DBG_NO_LOC("\tquiet mode:                    %s", config->quiet ? "True" : "False");
 507         if (config->agent_tcp_port.begin == config->agent_tcp_port.end) {
 508                 DBG_NO_LOC("\tagent_tcp_port:                %i", config->agent_tcp_port.begin);
 509         } else {
 510                 DBG_NO_LOC("\tagent_tcp_port:                [%i, %i]",
 511                                 config->agent_tcp_port.begin,
 512                                 config->agent_tcp_port.end);
 513         }
 514         DBG_NO_LOC("\tapplication socket timeout:    %i", config->app_socket_timeout);
 515         DBG_NO_LOC("\tno-kernel:                     %s", config->no_kernel ? "True" : "False");
 516         DBG_NO_LOC("\tbackground:                    %s", config->background ? "True" : "False");
 517         DBG_NO_LOC("\tdaemonize:                     %s", config->daemonize ? "True" : "False");
 518         DBG_NO_LOC("\tsignal parent on start:        %s", config->sig_parent ? "True" : "False");
 519         DBG_NO_LOC("\ttracing group name:            %s", config->tracing_group_name.value ? : "Unknown");
 520         DBG_NO_LOC("\tkmod_probe_list:               %s", config->kmod_probes_list.value ? : "None");
 521         DBG_NO_LOC("\tkmod_extra_probe_list:         %s", config->kmod_extra_probes_list.value ? : "None");
 522         DBG_NO_LOC("\trundir:                        %s", config->rundir.value ? : "Unknown");
 523         DBG_NO_LOC("\tapplication socket path:       %s", config->apps_unix_sock_path.value ? : "Unknown");
 524         DBG_NO_LOC("\tclient socket path:            %s", config->client_unix_sock_path.value ? : "Unknown");
 525         DBG_NO_LOC("\twait shm path:                 %s", config->wait_shm_path.value ? : "Unknown");
 526         DBG_NO_LOC("\thealth socket path:            %s", config->health_unix_sock_path.value ? : "Unknown");
 527         DBG_NO_LOC("\tLTTNG_UST_CLOCK_PLUGIN:        %s", config->lttng_ust_clock_plugin.value ? : "None");
 528         DBG_NO_LOC("\tpid file path:                 %s", config->pid_file_path.value ? : "Unknown");
 529         DBG_NO_LOC("\tlock file path:                %s", config->lock_file_path.value ? : "Unknown");
 530         DBG_NO_LOC("\tsession load path:             %s", config->load_session_path.value ? : "None");
 531         DBG_NO_LOC("\tagent port file path:          %s", config->agent_port_file_path.value ? : "Unknown");
 532         DBG_NO_LOC("\tconsumerd32 path:              %s", config->consumerd32_path.value ? : "Unknown");
 533         DBG_NO_LOC("\tconsumerd32 bin path:          %s", config->consumerd32_bin_path.value ? : "Unknown");
 534         DBG_NO_LOC("\tconsumerd32 lib dir:           %s", config->consumerd32_lib_dir.value ? : "Unknown");
 535         DBG_NO_LOC("\tconsumerd32 err unix sock path:%s", config->consumerd32_err_unix_sock_path.value ? : "Unknown");
 536         DBG_NO_LOC("\tconsumerd32 cmd unix sock path:%s", config->consumerd32_cmd_unix_sock_path.value ? : "Unknown");
 537         DBG_NO_LOC("\tconsumerd64 path:              %s", config->consumerd64_path.value ? : "Unknown");
 538         DBG_NO_LOC("\tconsumerd64 bin path:          %s", config->consumerd64_bin_path.value ? : "Unknown");
 539         DBG_NO_LOC("\tconsumerd64 lib dir:           %s", config->consumerd64_lib_dir.value ? : "Unknown");
 540         DBG_NO_LOC("\tconsumerd64 err unix sock path:%s", config->consumerd64_err_unix_sock_path.value ? : "Unknown");
 541         DBG_NO_LOC("\tconsumerd64 cmd unix sock path:%s", config->consumerd64_cmd_unix_sock_path.value ? : "Unknown");
 542         DBG_NO_LOC("\tkconsumerd path:               %s", config->kconsumerd_path.value ? : "Unknown");
 543         DBG_NO_LOC("\tkconsumerd err unix sock path: %s", config->kconsumerd_err_unix_sock_path.value ? : "Unknown");
 544         DBG_NO_LOC("\tkconsumerd cmd unix sock path: %s", config->kconsumerd_cmd_unix_sock_path.value ? : "Unknown");
 545 }