src/main-afb-daemon.c

   1 /*
   2  * Copyright (C) 2015-2018 "IoT.bzh"
   3  * Author "Fulup Ar Foll"
   4  * Author José Bollo <jose.bollo@iot.bzh>
   5  *
   6  * Licensed under the Apache License, Version 2.0 (the "License");
   7  * you may not use this file except in compliance with the License.
   8  * You may obtain a copy of the License at
   9  *
  10  *   http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  */
  18
  19 #define _GNU_SOURCE
  20
  21 #include <stdlib.h>
  22 #include <stdio.h>
  23 #include <stdint.h>
  24 #include <signal.h>
  25 #include <string.h>
  26 #include <unistd.h>
  27 #include <limits.h>
  28 #include <errno.h>
  29 #include <fcntl.h>
  30 #include <sys/stat.h>
  31 #include <sys/wait.h>
  32
  33 #if !defined(NO_CALL_PERSONALITY)
  34 #include <sys/personality.h>
  35 #endif
  36
  37 #include <json-c/json.h>
  38
  39 #include <systemd/sd-daemon.h>
  40
  41 #include "afb-config.h"
  42 #include "afb-hswitch.h"
  43 #include "afb-apiset.h"
  44 #include "afb-autoset.h"
  45 #include "afb-api-so.h"
  46 #if defined(WITH_DBUS_TRANSPARENCY)
  47 #   include "afb-api-dbus.h"
  48 #endif
  49 #include "afb-api-ws.h"
  50 #include "afb-hsrv.h"
  51 #include "afb-hreq.h"
  52 #include "afb-xreq.h"
  53 #include "jobs.h"
  54 #include "afb-session.h"
  55 #include "verbose.h"
  56 #include "afb-common.h"
  57 #include "afb-export.h"
  58 #include "afb-monitor.h"
  59 #include "afb-hook.h"
  60 #include "afb-hook-flags.h"
  61 #include "afb-debug.h"
  62 #include "process-name.h"
  63 #include "wrap-json.h"
  64 #if defined(WITH_SUPERVISION)
  65 #   include "afb-supervision.h"
  66 #endif
  67
  68 /*
  69    if SELF_PGROUP == 0 the launched command is the group leader
  70    if SELF_PGROUP != 0 afb-daemon is the group leader
  71 */
  72 #define SELF_PGROUP 0
  73
  74 struct afb_apiset *main_apiset;
  75 struct json_object *main_config;
  76
  77 static pid_t childpid;
  78
  79 /**
  80  * Tiny helper around putenv: add the variable name=value
  81  *
  82  * @param name name of the variable to set
  83  * @param value value to set to the variable
  84  *
  85  * @return 0 in case of success or -1 in case of error (with errno set to ENOMEM)
  86  */
  87 static int addenv(const char *name, const char *value)
  88 {
  89         char *head, *middle;
  90
  91         head = malloc(2 + strlen(name) + strlen(value));
  92         if (head == NULL) {
  93                 errno = ENOMEM;
  94                 return -1;
  95         }
  96         middle = stpcpy(head, name);
  97         middle[0] = '=';
  98         strcpy(&middle[1], value);
  99         return putenv(head);
 100 }
 101
 102 /**
 103  * Tiny helper around addenv that export the real path
 104  *
 105  * @param name name of the variable to set
 106  * @param path the path value to export to the variable
 107  *
 108  * @return 0 in case of success or -1 in case of error (with errno set to ENOMEM)
 109  */
 110 static int addenv_realpath(const char *name, const char *path)
 111 {
 112         char buffer[PATH_MAX];
 113         char *p = realpath(path, buffer);
 114         return p ? addenv(name, p) : -1;
 115 }
 116
 117 /*----------------------------------------------------------
 118  |   helpers for handling list of arguments
 119  +--------------------------------------------------------- */
 120
 121 static const char *run_for_config_array_opt(const char *name,
 122                                             int (*run) (void *closure, const char *value),
 123                                             void *closure)
 124 {
 125         int i, n, rc;
 126         struct json_object *array, *value;
 127
 128         if (json_object_object_get_ex(main_config, name, &array)) {
 129                 if (!json_object_is_type(array, json_type_array))
 130                         return json_object_get_string(array);
 131                 n = (int)json_object_array_length(array);
 132                 for (i = 0 ; i < n ; i++) {
 133                         value = json_object_array_get_idx(array, i);
 134                         rc = run(closure, json_object_get_string(value));
 135                         if (!rc)
 136                                 return json_object_get_string(value);
 137                 }
 138         }
 139         return NULL;
 140 }
 141
 142 static int run_start(void *closure, const char *value)
 143 {
 144         int (*starter) (const char *value, struct afb_apiset *declare_set, struct afb_apiset *call_set) = closure;
 145         return starter(value, main_apiset, main_apiset) >= 0;
 146 }
 147
 148 static void apiset_start_list(const char *name,
 149                         int (*starter) (const char *value, struct afb_apiset *declare_set, struct afb_apiset *call_set),
 150                         const char *message)
 151 {
 152         const char *item = run_for_config_array_opt(name, run_start, starter);
 153         if (item) {
 154                 ERROR("can't start %s %s", message, item);
 155                 exit(1);
 156         }
 157 }
 158
 159 /*----------------------------------------------------------
 160  | exit_handler
 161  |   Handles on exit specific actions
 162  +--------------------------------------------------------- */
 163 static void exit_handler()
 164 {
 165         struct sigaction siga;
 166
 167         memset(&siga, 0, sizeof siga);
 168         siga.sa_handler = SIG_IGN;
 169         sigaction(SIGTERM, &siga, NULL);
 170
 171         if (SELF_PGROUP)
 172                 killpg(0, SIGTERM);
 173         else if (childpid > 0)
 174                 killpg(childpid, SIGTERM);
 175 }
 176
 177 static void on_sigterm(int signum, siginfo_t *info, void *uctx)
 178 {
 179         NOTICE("Received SIGTERM");
 180         exit(0);
 181 }
 182
 183 static void on_sighup(int signum, siginfo_t *info, void *uctx)
 184 {
 185         NOTICE("Received SIGHUP");
 186         /* TODO */
 187 }
 188
 189 static void setup_daemon()
 190 {
 191         struct sigaction siga;
 192
 193         /* install signal handlers */
 194         memset(&siga, 0, sizeof siga);
 195         siga.sa_flags = SA_SIGINFO;
 196
 197         siga.sa_sigaction = on_sigterm;
 198         sigaction(SIGTERM, &siga, NULL);
 199
 200         siga.sa_sigaction = on_sighup;
 201         sigaction(SIGHUP, &siga, NULL);
 202
 203         /* handle groups */
 204         atexit(exit_handler);
 205
 206         /* ignore any SIGPIPE */
 207         signal(SIGPIPE, SIG_IGN);
 208 }
 209
 210 /*----------------------------------------------------------
 211  | daemonize
 212  |   set the process in background
 213  +--------------------------------------------------------- */
 214 static void daemonize()
 215 {
 216         int fd = 0, daemon;
 217         const char *output;
 218         pid_t pid;
 219
 220         daemon = 0;
 221         output = NULL;
 222         wrap_json_unpack(main_config, "{s?b s?s}", "daemon", &daemon, "output", &output);
 223
 224         if (output) {
 225                 fd = open(output, O_WRONLY | O_APPEND | O_CREAT, 0640);
 226                 if (fd < 0) {
 227                         ERROR("Can't open output %s", output);
 228                         exit(1);
 229                 }
 230         }
 231
 232         if (daemon) {
 233                 INFO("entering background mode");
 234
 235                 pid = fork();
 236                 if (pid == -1) {
 237                         ERROR("Failed to fork daemon process");
 238                         exit(1);
 239                 }
 240                 if (pid != 0)
 241                         _exit(0);
 242         }
 243
 244         /* closes the input */
 245         if (output) {
 246                 NOTICE("Redirecting output to %s", output);
 247                 close(2);
 248                 dup(fd);
 249                 close(1);
 250                 dup(fd);
 251                 close(fd);
 252         }
 253
 254         /* after that ctrl+C still works */
 255         close(0);
 256 }
 257
 258 /*---------------------------------------------------------
 259  | http server
 260  |   Handles the HTTP server
 261  +--------------------------------------------------------- */
 262 static int init_alias(void *closure, const char *spec)
 263 {
 264         struct afb_hsrv *hsrv = closure;
 265         char *path = strchr(spec, ':');
 266
 267         if (path == NULL) {
 268                 ERROR("Missing ':' in alias %s. Alias ignored", spec);
 269                 return 1;
 270         }
 271         *path++ = 0;
 272         INFO("Alias for url=%s to path=%s", spec, path);
 273         return afb_hsrv_add_alias(hsrv, spec, afb_common_rootdir_get_fd(), path,
 274                                   0, 0);
 275 }
 276
 277 static int init_http_server(struct afb_hsrv *hsrv)
 278 {
 279         int rc;
 280         const char *rootapi, *roothttp, *rootbase;
 281
 282         roothttp = NULL;
 283         rc = wrap_json_unpack(main_config, "{ss ss s?s}",
 284                                 "rootapi", &rootapi,
 285                                 "rootbase", &rootbase,
 286                                 "roothttp", &roothttp);
 287         if (rc < 0) {
 288                 ERROR("Can't get HTTP server config");
 289                 exit(1);
 290         }
 291
 292         if (!afb_hsrv_add_handler(hsrv, rootapi,
 293                         afb_hswitch_websocket_switch, main_apiset, 20))
 294                 return 0;
 295
 296         if (!afb_hsrv_add_handler(hsrv, rootapi,
 297                         afb_hswitch_apis, main_apiset, 10))
 298                 return 0;
 299
 300         if (run_for_config_array_opt("alias", init_alias, hsrv))
 301                 return 0;
 302
 303         if (roothttp != NULL) {
 304                 if (!afb_hsrv_add_alias(hsrv, "",
 305                         afb_common_rootdir_get_fd(), roothttp, -10, 1))
 306                         return 0;
 307         }
 308
 309         if (!afb_hsrv_add_handler(hsrv, rootbase,
 310                         afb_hswitch_one_page_api_redirect, NULL, -20))
 311                 return 0;
 312
 313         return 1;
 314 }
 315
 316 static struct afb_hsrv *start_http_server()
 317 {
 318         int rc;
 319         const char *uploaddir, *rootdir;
 320         struct afb_hsrv *hsrv;
 321         int cache_timeout, http_port;
 322
 323         rc = wrap_json_unpack(main_config, "{ss ss si si}",
 324                                 "uploaddir", &uploaddir,
 325                                 "rootdir", &rootdir,
 326                                 "cache-eol", &cache_timeout,
 327                                 "port", &http_port);
 328         if (rc < 0) {
 329                 ERROR("Can't get HTTP server start config");
 330                 exit(1);
 331         }
 332
 333         if (afb_hreq_init_download_path(uploaddir)) {
 334                 ERROR("unable to set the upload directory %s", uploaddir);
 335                 return NULL;
 336         }
 337
 338         hsrv = afb_hsrv_create();
 339         if (hsrv == NULL) {
 340                 ERROR("memory allocation failure");
 341                 return NULL;
 342         }
 343
 344         if (!afb_hsrv_set_cache_timeout(hsrv, cache_timeout)
 345             || !init_http_server(hsrv)) {
 346                 ERROR("initialisation of httpd failed");
 347                 afb_hsrv_put(hsrv);
 348                 return NULL;
 349         }
 350
 351         NOTICE("Waiting port=%d rootdir=%s", http_port, rootdir);
 352         NOTICE("Browser URL= http://localhost:%d", http_port);
 353
 354         rc = afb_hsrv_start(hsrv, (uint16_t) http_port, 15);
 355         if (!rc) {
 356                 ERROR("starting of httpd failed");
 357                 afb_hsrv_put(hsrv);
 358                 return NULL;
 359         }
 360
 361         return hsrv;
 362 }
 363
 364 /*---------------------------------------------------------
 365  | execute_command
 366  +--------------------------------------------------------- */
 367
 368 static void on_sigchld(int signum, siginfo_t *info, void *uctx)
 369 {
 370         if (info->si_pid == childpid) {
 371                 switch (info->si_code) {
 372                 case CLD_EXITED:
 373                 case CLD_KILLED:
 374                 case CLD_DUMPED:
 375                         childpid = 0;
 376                         if (!SELF_PGROUP)
 377                                 killpg(info->si_pid, SIGKILL);
 378                         waitpid(info->si_pid, NULL, 0);
 379                         exit(0);
 380                 }
 381         }
 382 }
 383
 384 /*
 385 # @@ @
 386 # @p port
 387 # @t token
 388 */
 389
 390 #define SUBST_CHAR  '@'
 391 #define SUBST_STR   "@"
 392
 393 static char *instanciate_string(const char *arg, const char *port, const char *token)
 394 {
 395         char *resu, *it, *wr;
 396         int chg, dif;
 397
 398         /* get the changes */
 399         chg = 0;
 400         dif = 0;
 401         it = strchrnul(arg, SUBST_CHAR);
 402         while (*it) {
 403                 switch(*++it) {
 404                 case 'p': chg++; dif += (int)strlen(port) - 2; break;
 405                 case 't': chg++; dif += (int)strlen(token) - 2; break;
 406                 case SUBST_CHAR: it++; chg++; dif--; break;
 407                 default: break;
 408                 }
 409                 it = strchrnul(it, SUBST_CHAR);
 410         }
 411
 412         /* return arg when no change */
 413         if (!chg)
 414                 return strdup(arg);
 415
 416         /* allocates the result */
 417         resu = malloc((it - arg) + dif + 1);
 418         if (!resu) {
 419                 ERROR("out of memory");
 420                 return NULL;
 421         }
 422
 423         /* instanciate the arguments */
 424         wr = resu;
 425         for (;;) {
 426                 it = strchrnul(arg, SUBST_CHAR);
 427                 wr = mempcpy(wr, arg, it - arg);
 428                 if (!*it)
 429                         break;
 430                 switch(*++it) {
 431                 case 'p': wr = stpcpy(wr, port); break;
 432                 case 't': wr = stpcpy(wr, token); break;
 433                 default: *wr++ = SUBST_CHAR; /*@fallthrough@*/
 434                 case SUBST_CHAR: *wr++ = *it;
 435                 }
 436                 arg = ++it;
 437         }
 438
 439         *wr = 0;
 440         return resu;
 441 }
 442
 443 static int instanciate_environ(const char *port, const char *token)
 444 {
 445         extern char **environ;
 446         char *repl;
 447         int i;
 448
 449         /* instantiate the environment */
 450         for (i = 0 ; environ[i] ; i++) {
 451                 repl = instanciate_string(environ[i], port, token);
 452                 if (!repl)
 453                         return -1;
 454                 environ[i] = repl;
 455         }
 456         return 0;
 457 }
 458
 459 static char **instanciate_command_args(struct json_object *exec, const char *port, const char *token)
 460 {
 461         char **result;
 462         char *repl;
 463         int i, n;
 464
 465         /* allocates the result */
 466         n = (int)json_object_array_length(exec);
 467         result = malloc((n + 1) * sizeof * result);
 468         if (!result) {
 469                 ERROR("out of memory");
 470                 return NULL;
 471         }
 472
 473         /* instanciate the arguments */
 474         for (i = 0 ; i < n ; i++) {
 475                 repl = instanciate_string(json_object_get_string(json_object_array_get_idx(exec, i)), port, token);
 476                 if (!repl) {
 477                         while(i)
 478                                 free(result[--i]);
 479                         free(result);
 480                         return NULL;
 481                 }
 482                 result[i] = repl;
 483         }
 484         result[i] = NULL;
 485         return result;
 486 }
 487
 488 static int execute_command()
 489 {
 490         struct json_object *exec, *oport;
 491         struct sigaction siga;
 492         char port[20];
 493         const char *token;
 494         char **args;
 495         int rc;
 496
 497         /* check whether a command is to execute or not */
 498         if (!json_object_object_get_ex(main_config, "exec", &exec))
 499                 return 0;
 500
 501         if (SELF_PGROUP)
 502                 setpgid(0, 0);
 503
 504         /* install signal handler */
 505         memset(&siga, 0, sizeof siga);
 506         siga.sa_sigaction = on_sigchld;
 507         siga.sa_flags = SA_SIGINFO;
 508         sigaction(SIGCHLD, &siga, NULL);
 509
 510         /* fork now */
 511         childpid = fork();
 512         if (childpid)
 513                 return 0;
 514
 515         /* compute the string for port */
 516         if (json_object_object_get_ex(main_config, "port", &oport))
 517                 rc = snprintf(port, sizeof port, "%s", json_object_get_string(oport));
 518         else
 519                 rc = snprintf(port, sizeof port, "%cp", SUBST_CHAR);
 520         if (rc < 0 || rc >= (int)(sizeof port)) {
 521                 ERROR("port->txt failed");
 522         }
 523         else {
 524                 /* instanciate arguments and environment */
 525                 token = afb_session_initial_token();
 526                 args = instanciate_command_args(exec, port, token);
 527                 if (args && instanciate_environ(port, token) >= 0) {
 528                         /* run */
 529                         if (!SELF_PGROUP)
 530                                 setpgid(0, 0);
 531                         execv(args[0], args);
 532                         ERROR("can't launch %s: %m", args[0]);
 533                 }
 534         }
 535         exit(1);
 536         return -1;
 537 }
 538
 539 /*---------------------------------------------------------
 540  | startup calls
 541  +--------------------------------------------------------- */
 542
 543 struct startup_req
 544 {
 545         struct afb_xreq xreq;
 546         char *api;
 547         char *verb;
 548         struct json_object *calls;
 549         int index;
 550         int count;
 551         const char *callspec;
 552         struct afb_session *session;
 553 };
 554
 555 static void startup_call_reply(struct afb_xreq *xreq, struct json_object *object, const char *error, const char *info)
 556 {
 557         struct startup_req *sreq = CONTAINER_OF_XREQ(struct startup_req, xreq);
 558
 559         info = info ?: "";
 560         if (!error) {
 561                 NOTICE("startup call %s returned %s (%s)", sreq->callspec, json_object_get_string(object), info);
 562                 json_object_put(object);
 563         } else {
 564                 ERROR("startup call %s ERROR! %s (%s)", sreq->callspec, error, info);
 565                 exit(1);
 566         }
 567 }
 568
 569 static void startup_call_current(struct startup_req *sreq);
 570
 571 static void startup_call_unref(struct afb_xreq *xreq)
 572 {
 573         struct startup_req *sreq = CONTAINER_OF_XREQ(struct startup_req, xreq);
 574
 575         free(sreq->api);
 576         free(sreq->verb);
 577         json_object_put(sreq->xreq.json);
 578         if (++sreq->index < sreq->count)
 579                 startup_call_current(sreq);
 580         else {
 581                 afb_session_close(sreq->session);
 582                 afb_session_unref(sreq->session);
 583                 free(sreq);
 584         }
 585 }
 586
 587 static struct afb_xreq_query_itf startup_xreq_itf =
 588 {
 589         .reply = startup_call_reply,
 590         .unref = startup_call_unref
 591 };
 592
 593 static void startup_call_current(struct startup_req *sreq)
 594 {
 595         const char *api, *verb, *json;
 596         enum json_tokener_error jerr;
 597
 598         sreq->callspec = json_object_get_string(json_object_array_get_idx(sreq->calls, sreq->index)),
 599         api = sreq->callspec;
 600         verb = strchr(api, '/');
 601         if (verb) {
 602                 json = strchr(verb, ':');
 603                 if (json) {
 604                         afb_xreq_init(&sreq->xreq, &startup_xreq_itf);
 605                         afb_context_init(&sreq->xreq.context, sreq->session, NULL);
 606                         sreq->xreq.context.validated = 1;
 607                         sreq->api = strndup(api, verb - api);
 608                         sreq->verb = strndup(verb + 1, json - verb - 1);
 609                         sreq->xreq.request.called_api = sreq->api;
 610                         sreq->xreq.request.called_verb = sreq->verb;
 611                         sreq->xreq.json = json_tokener_parse_verbose(json + 1, &jerr);
 612                         if (sreq->api && sreq->verb && jerr == json_tokener_success) {
 613                                 afb_xreq_process(&sreq->xreq, main_apiset);
 614                                 return;
 615                         }
 616                 }
 617         }
 618         ERROR("Bad call specification %s", sreq->callspec);
 619         exit(1);
 620 }
 621
 622 static void run_startup_calls()
 623 {
 624         struct json_object *calls;
 625         struct startup_req *sreq;
 626         int count;
 627
 628         if (json_object_object_get_ex(main_config, "call", &calls)
 629          && json_object_is_type(calls, json_type_array)
 630          && (count = (int)json_object_array_length(calls))) {
 631                 sreq = calloc(1, sizeof *sreq);
 632                 sreq->session = afb_session_create(3600);
 633                 sreq->calls = calls;
 634                 sreq->index = 0;
 635                 sreq->count = count;
 636                 startup_call_current(sreq);
 637         }
 638 }
 639
 640 /*---------------------------------------------------------
 641  | job for starting the daemon
 642  +--------------------------------------------------------- */
 643
 644 static void start(int signum, void *arg)
 645 {
 646         const char *tracereq, *traceapi, *traceevt, *traceses, *tracesvc, *traceditf, *traceglob;
 647         const char *workdir, *rootdir, *token, *rootapi;
 648         struct json_object *settings;
 649         struct afb_hsrv *hsrv;
 650         int max_session_count, session_timeout, api_timeout;
 651         int no_httpd, http_port;
 652         int rc;
 653
 654
 655         afb_debug("start-entry");
 656
 657         if (signum) {
 658                 ERROR("start aborted: received signal %s", strsignal(signum));
 659                 exit(1);
 660         }
 661
 662         settings = NULL;
 663         token = rootapi = tracesvc = traceditf = tracereq =
 664                 traceapi = traceevt = traceses = traceglob = NULL;
 665         no_httpd = http_port = 0;
 666         rc = wrap_json_unpack(main_config, "{"
 667                         "ss ss s?s"
 668                         "si si si"
 669                         "s?b s?i s?s"
 670                         "s?o"
 671 #if !defined(REMOVE_LEGACY_TRACE)
 672                         "s?s s?s"
 673 #endif
 674                         "s?s s?s s?s s?s s?s"
 675                         "}",
 676
 677                         "rootdir", &rootdir,
 678                         "workdir", &workdir,
 679                         "token", &token,
 680
 681                         "apitimeout", &api_timeout,
 682                         "cntxtimeout", &session_timeout,
 683                         "session-max", &max_session_count,
 684
 685                         "no-httpd", &no_httpd,
 686                         "port", &http_port,
 687                         "rootapi", &rootapi,
 688
 689                         "set", &settings,
 690 #if !defined(REMOVE_LEGACY_TRACE)
 691                         "tracesvc", &tracesvc,
 692                         "traceditf", &traceditf,
 693 #endif
 694                         "tracereq", &tracereq,
 695                         "traceapi", &traceapi,
 696                         "traceevt", &traceevt,
 697                         "traceses",  &traceses,
 698                         "traceglob", &traceglob
 699                         );
 700         if (rc < 0) {
 701                 ERROR("Unable to get start config");
 702                 exit(1);
 703         }
 704
 705         /* set the directories */
 706         mkdir(workdir, S_IRWXU | S_IRGRP | S_IXGRP);
 707         if (chdir(workdir) < 0) {
 708                 ERROR("Can't enter working dir %s", workdir);
 709                 goto error;
 710         }
 711         if (afb_common_rootdir_set(rootdir) < 0) {
 712                 ERROR("failed to set common root directory %s", rootdir);
 713                 goto error;
 714         }
 715         if (addenv_realpath("AFB_WORKDIR", "."     /* resolved by realpath */)
 716          || addenv_realpath("AFB_ROOTDIR", rootdir /* relative to current directory */)) {
 717                 ERROR("can't set environment");
 718                 goto error;
 719         }
 720
 721         /* configure the daemon */
 722         afb_export_set_config(settings);
 723         if (afb_session_init(max_session_count, session_timeout, token)) {
 724                 ERROR("initialisation of session manager failed");
 725                 goto error;
 726         }
 727         main_apiset = afb_apiset_create("main", api_timeout);
 728         if (!main_apiset) {
 729                 ERROR("can't create main api set");
 730                 goto error;
 731         }
 732         if (afb_monitor_init(main_apiset, main_apiset) < 0) {
 733                 ERROR("failed to setup monitor");
 734                 goto error;
 735         }
 736 #if defined(WITH_SUPERVISION)
 737         if (afb_supervision_init(main_apiset, main_config) < 0) {
 738                 ERROR("failed to setup supervision");
 739                 goto error;
 740         }
 741 #endif
 742
 743         /* install hooks */
 744         if (tracereq)
 745                 afb_hook_create_xreq(NULL, NULL, NULL, afb_hook_flags_xreq_from_text(tracereq), NULL, NULL);
 746 #if !defined(REMOVE_LEGACY_TRACE)
 747         if (traceapi || tracesvc || traceditf)
 748                 afb_hook_create_api(NULL, afb_hook_flags_api_from_text(traceapi)
 749                         | afb_hook_flags_legacy_ditf_from_text(traceditf)
 750                         | afb_hook_flags_legacy_svc_from_text(tracesvc), NULL, NULL);
 751 #else
 752         if (traceapi)
 753                 afb_hook_create_api(NULL, afb_hook_flags_api_from_text(traceapi), NULL, NULL);
 754 #endif
 755         if (traceevt)
 756                 afb_hook_create_evt(NULL, afb_hook_flags_evt_from_text(traceevt), NULL, NULL);
 757         if (traceses)
 758                 afb_hook_create_session(NULL, afb_hook_flags_session_from_text(traceses), NULL, NULL);
 759         if (traceglob)
 760                 afb_hook_create_global(afb_hook_flags_global_from_text(traceglob), NULL, NULL);
 761
 762         /* load bindings */
 763         afb_debug("start-load");
 764         apiset_start_list("binding", afb_api_so_add_binding, "the binding");
 765         apiset_start_list("ldpaths", afb_api_so_add_pathset_fails, "the binding path set");
 766         apiset_start_list("weak-ldpaths", afb_api_so_add_pathset_nofails, "the weak binding path set");
 767         apiset_start_list("auto-api", afb_autoset_add_any, "the automatic api path set");
 768         apiset_start_list("ws-server", afb_api_ws_add_server, "the afb-websocket service");
 769 #if defined(WITH_DBUS_TRANSPARENCY)
 770         apiset_start_list("dbus-server", afb_api_dbus_add_server, "the afb-dbus service");
 771         apiset_start_list("dbus-client", afb_api_dbus_add_client, "the afb-dbus client");
 772 #endif
 773         apiset_start_list("ws-client", afb_api_ws_add_client_weak, "the afb-websocket client");
 774
 775         DEBUG("Init config done");
 776
 777         /* start the services */
 778         afb_debug("start-start");
 779 #if !defined(NO_CALL_PERSONALITY)
 780         personality((unsigned long)-1L);
 781 #endif
 782         if (afb_apiset_start_all_services(main_apiset) < 0)
 783                 goto error;
 784
 785         /* start the HTTP server */
 786         afb_debug("start-http");
 787         if (!no_httpd) {
 788                 if (http_port <= 0) {
 789                         ERROR("no port is defined");
 790                         goto error;
 791                 }
 792
 793                 if (!afb_hreq_init_cookie(http_port, rootapi, session_timeout)) {
 794                         ERROR("initialisation of HTTP cookies failed");
 795                         goto error;
 796                 }
 797
 798                 hsrv = start_http_server();
 799                 if (hsrv == NULL)
 800                         goto error;
 801         }
 802
 803         /* run the startup calls */
 804         afb_debug("start-call");
 805         run_startup_calls();
 806
 807         /* run the command */
 808         afb_debug("start-exec");
 809         if (execute_command() < 0)
 810                 goto error;
 811
 812         /* ready */
 813         sd_notify(1, "READY=1");
 814         return;
 815 error:
 816         exit(1);
 817 }
 818
 819 /*---------------------------------------------------------
 820  | main
 821  |   Parse option and launch action
 822  +--------------------------------------------------------- */
 823
 824 int main(int argc, char *argv[])
 825 {
 826         struct json_object *name;
 827         afb_debug("main-entry");
 828
 829         // ------------- Build session handler & init config -------
 830         main_config = afb_config_parse_arguments(argc, argv);
 831         if (json_object_object_get_ex(main_config, "name", &name)) {
 832                 verbose_set_name(json_object_get_string(name), 0);
 833                 process_name_set_name(json_object_get_string(name));
 834                 process_name_replace_cmdline(argv, json_object_get_string(name));
 835         }
 836         afb_debug("main-args");
 837
 838         // --------- run -----------
 839         daemonize();
 840         INFO("running with pid %d", getpid());
 841
 842         /* set the daemon environment */
 843         setup_daemon();
 844
 845         afb_debug("main-start");
 846
 847         /* enter job processing */
 848         jobs_start(3, 0, 50, start, NULL);
 849         WARNING("hoops returned from jobs_enter! [report bug]");
 850         return 1;
 851 }
 852