/*
- * Copyright (C) 2015, 2016 "IoT.bzh"
+ * Copyright (C) 2015, 2016, 2017 "IoT.bzh"
* Author "Fulup Ar Foll"
* Author José Bollo <jose.bollo@iot.bzh>
*
*/
#define _GNU_SOURCE
-#define NO_BINDING_VERBOSE_MACRO
#include <stdlib.h>
#include <stdio.h>
+#include <stdint.h>
+#include <signal.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/stat.h>
-#include <getopt.h>
+#include <sys/wait.h>
-#include <systemd/sd-event.h>
+#if !defined(NO_CALL_PERSONALITY)
+#include <sys/personality.h>
+#endif
+
+#include <json-c/json.h>
+
+#include <systemd/sd-daemon.h>
#include "afb-config.h"
#include "afb-hswitch.h"
-#include "afb-apis.h"
+#include "afb-apiset.h"
#include "afb-api-so.h"
#include "afb-api-dbus.h"
+#include "afb-api-ws.h"
#include "afb-hsrv.h"
-#include "afb-context.h"
#include "afb-hreq.h"
-#include "afb-sig-handler.h"
-#include "session.h"
+#include "afb-xreq.h"
+#include "jobs.h"
+#include "afb-session.h"
#include "verbose.h"
#include "afb-common.h"
+#include "afb-monitor.h"
+#include "afb-hook.h"
+#include "sd-fds.h"
+#include "afb-debug.h"
+#include "process-name.h"
-#include <afb/afb-binding.h>
-
-#if !defined(BINDING_INSTALL_DIR)
-#error "you should define BINDING_INSTALL_DIR"
-#endif
-
-#define AFB_VERSION "0.5"
-
-// Define command line option
-#define SET_VERBOSE 1
-#define SET_BACKGROUND 2
-#define SET_FORGROUND 3
-
-#define SET_TCP_PORT 5
-#define SET_ROOT_DIR 6
-#define SET_ROOT_BASE 7
-#define SET_ROOT_API 8
-#define SET_ALIAS 9
-
-#define SET_CACHE_TIMEOUT 10
-#define SET_SESSION_DIR 11
-
-#define SET_AUTH_TOKEN 12
-#define SET_LDPATH 13
-#define SET_APITIMEOUT 14
-#define SET_CNTXTIMEOUT 15
-
-#define DISPLAY_VERSION 16
-#define DISPLAY_HELP 17
-
-#define SET_MODE 18
-#define SET_READYFD 19
-
-#define DBUS_CLIENT 20
-#define DBUS_SERVICE 21
-#define SO_BINDING 22
-
-#define SET_SESSIONMAX 23
-
-// Command line structure hold cli --command + help text
-typedef struct {
- int val; // command number within application
- int has_arg; // command number within application
- char *name; // command as used in --xxxx cli
- char *help; // help text
-} AFB_options;
-
-
-// Supported option
-static AFB_options cliOptions [] = {
- {SET_VERBOSE ,0,"verbose" , "Verbose Mode"},
-
- {SET_FORGROUND ,0,"foreground" , "Get all in foreground mode"},
- {SET_BACKGROUND ,0,"daemon" , "Get all in background mode"},
-
- {SET_TCP_PORT ,1,"port" , "HTTP listening TCP port [default 1234]"},
- {SET_ROOT_DIR ,1,"rootdir" , "HTTP Root Directory [default $HOME/.AFB]"},
- {SET_ROOT_BASE ,1,"rootbase" , "Angular Base Root URL [default /opa]"},
- {SET_ROOT_API ,1,"rootapi" , "HTML Root API URL [default /api]"},
- {SET_ALIAS ,1,"alias" , "Muliple url map outside of rootdir [eg: --alias=/icons:/usr/share/icons]"},
-
- {SET_APITIMEOUT ,1,"apitimeout" , "Binding API timeout in seconds [default 10]"},
- {SET_CNTXTIMEOUT ,1,"cntxtimeout" , "Client Session Context Timeout [default 900]"},
- {SET_CACHE_TIMEOUT,1,"cache-eol" , "Client cache end of live [default 3600]"},
-
- {SET_SESSION_DIR ,1,"sessiondir" , "Sessions file path [default rootdir/sessions]"},
-
- {SET_LDPATH ,1,"ldpaths" , "Load bindingss from dir1:dir2:... [default = "BINDING_INSTALL_DIR"]"},
- {SET_AUTH_TOKEN ,1,"token" , "Initial Secret [default=no-session, --token="" for session without authentication]"},
-
- {DISPLAY_VERSION ,0,"version" , "Display version and copyright"},
- {DISPLAY_HELP ,0,"help" , "Display this help"},
-
- {SET_MODE ,1,"mode" , "set the mode: either local, remote or global"},
- {SET_READYFD ,1,"readyfd" , "set the #fd to signal when ready"},
-
- {DBUS_CLIENT ,1,"dbus-client" , "bind to an afb service through dbus"},
- {DBUS_SERVICE ,1,"dbus-server" , "provides an afb service through dbus"},
- {SO_BINDING ,1,"binding" , "load the binding of path"},
+/*
+ if SELF_PGROUP == 0 the launched command is the group leader
+ if SELF_PGROUP != 0 afb-daemon is the group leader
+*/
+#define SELF_PGROUP 1
- {SET_SESSIONMAX ,1,"session-max" , "max count of session simultaneously [default 10]"},
+struct afb_apiset *main_apiset;
- {0, 0, NULL, NULL}
- };
+static struct afb_config *config;
+static pid_t childpid;
/*----------------------------------------------------------
- | printversion
- | print version and copyright
+ | helpers for handling list of arguments
+--------------------------------------------------------- */
-static void printVersion (FILE *file)
+
+/*
+ * Calls the callback 'run' for each value of the 'list'
+ * until the callback returns 0 or the end of the list is reached.
+ * Returns either NULL if the end of the list is reached or a pointer
+ * to the item whose value made 'run' return 0.
+ * 'closure' is used for passing user data.
+ */
+static struct afb_config_list *run_for_list(struct afb_config_list *list,
+ int (*run) (void *closure, char *value),
+ void *closure)
{
- fprintf(file, "\n----------------------------------------- \n");
- fprintf(file, " AFB [Application Framework Binder] version=%s |\n", AFB_VERSION);
- fprintf(file, " \n");
- fprintf(file, " Copyright (C) 2015, 2016 \"IoT.bzh\" [fulup -at- iot.bzh]\n");
- fprintf(file, " AFB comes with ABSOLUTELY NO WARRANTY.\n");
- fprintf(file, " Licence Apache 2\n\n");
- exit (0);
+ while (list && run(closure, list->value))
+ list = list->next;
+ return list;
}
-/*----------------------------------------------------------
- | printHelp
- | print information from long option array
- +--------------------------------------------------------- */
-
-static void printHelp(FILE *file, const char *name)
+static int run_start(void *closure, char *value)
{
- int ind;
- char command[50];
-
- fprintf (file, "%s:\nallowed options\n", name);
- for (ind=0; cliOptions [ind].name != NULL;ind++)
- {
- // display options
- if (cliOptions [ind].has_arg == 0 )
- {
- fprintf (file, " --%-15s %s\n", cliOptions [ind].name, cliOptions[ind].help);
- } else {
- sprintf(command, "%s=xxxx", cliOptions [ind].name);
- fprintf (file, " --%-15s %s\n", command, cliOptions[ind].help);
- }
- }
- fprintf (file, "Example:\n %s\\\n --verbose --port=1234 --token='azerty' --ldpaths=build/bindings:/usr/lib64/agl/bindings\n", name);
+ int (*starter) (const char *value, struct afb_apiset *apiset) = closure;
+ return starter(value, main_apiset) >= 0;
}
-// load config from disk and merge with CLI option
-static void config_set_default (struct afb_config * config)
+static void apiset_start_list(struct afb_config_list *list,
+ int (*starter) (const char *value, struct afb_apiset *apiset), const char *message)
{
- // default HTTP port
- if (config->httpdPort == 0)
- config->httpdPort = 1234;
-
- // default binding API timeout
- if (config->apiTimeout == 0)
- config->apiTimeout = DEFLT_API_TIMEOUT;
-
- // default AUTH_TOKEN
- if (config->token == NULL)
- config->token = DEFLT_AUTH_TOKEN;
-
- // cache timeout default one hour
- if (config->cacheTimeout == 0)
- config->cacheTimeout = DEFLT_CACHE_TIMEOUT;
-
- // cache timeout default one hour
- if (config->cntxTimeout == 0)
- config->cntxTimeout = DEFLT_CNTX_TIMEOUT;
-
- // max count of sessions
- if (config->nbSessionMax == 0)
- config->nbSessionMax = CTX_NBCLIENTS;
-
- if (config->rootdir == NULL) {
- config->rootdir = getenv("AFBDIR");
- if (config->rootdir == NULL) {
- config->rootdir = malloc (512);
- strncpy (config->rootdir, getenv("HOME"),512);
- strncat (config->rootdir, "/.AFB",512);
- }
- // if directory does not exist createit
- mkdir (config->rootdir, O_RDWR | S_IRWXU | S_IRGRP);
- }
-
- // if no Angular/HTML5 rootbase let's try '/' as default
- if (config->rootbase == NULL)
- config->rootbase = "/opa";
-
- if (config->rootapi == NULL)
- config->rootapi = "/api";
-
- if (config->ldpaths == NULL)
- config->ldpaths = BINDING_INSTALL_DIR;
-
- // if no session dir create a default path from rootdir
- if (config->sessiondir == NULL) {
- config->sessiondir = malloc (512);
- strncpy (config->sessiondir, config->rootdir, 512);
- strncat (config->sessiondir, "/sessions",512);
- }
-
- // if no config dir create a default path from sessiondir
- if (config->console == NULL) {
- config->console = malloc (512);
- strncpy (config->console, config->sessiondir, 512);
- strncat (config->console, "/AFB-console.out",512);
- }
+ list = run_for_list(list, run_start, starter);
+ if (list) {
+ ERROR("can't start %s %s", message, list->value);
+ exit(1);
+ }
}
-
-/*---------------------------------------------------------
- | main
- | Parse option and launch action
+/*----------------------------------------------------------
+ | exit_handler
+ | Handles on exit specific actions
+--------------------------------------------------------- */
+static void exit_handler()
+{
+ struct sigaction siga;
+
+ memset(&siga, 0, sizeof siga);
+ siga.sa_handler = SIG_IGN;
+ sigaction(SIGTERM, &siga, NULL);
+
+ if (SELF_PGROUP)
+ killpg(0, SIGTERM);
+ else if (childpid > 0)
+ killpg(childpid, SIGTERM);
+}
-static void add_item(struct afb_config *config, int kind, char *value)
+static void on_sigterm(int signum, siginfo_t *info, void *uctx)
{
- struct afb_config_item *item = malloc(sizeof *item);
- if (item == NULL) {
- ERROR("out of memory");
- exit(1);
- }
- item->kind = kind;
- item->value = value;
- item->previous = config->items;
- config->items = item;
+ NOTICE("Received SIGTERM");
+ exit(0);
}
-static void parse_arguments(int argc, char *argv[], struct afb_config *config)
+static void on_sighup(int signum, siginfo_t *info, void *uctx)
{
- char* programName = argv [0];
- int optionIndex = 0;
- int optc, ind;
- int nbcmd;
- struct option *gnuOptions;
-
- // ------------------ Process Command Line -----------------------
-
- // if no argument print help and return
- if (argc < 2) {
- printHelp(stderr, programName);
- exit(1);
- }
-
- // build GNU getopt info from cliOptions
- nbcmd = sizeof (cliOptions) / sizeof (AFB_options);
- gnuOptions = malloc (sizeof (*gnuOptions) * (unsigned)nbcmd);
- for (ind=0; ind < nbcmd;ind++) {
- gnuOptions [ind].name = cliOptions[ind].name;
- gnuOptions [ind].has_arg = cliOptions[ind].has_arg;
- gnuOptions [ind].flag = 0;
- gnuOptions [ind].val = cliOptions[ind].val;
- }
-
- // get all options from command line
- while ((optc = getopt_long (argc, argv, "vsp?", gnuOptions, &optionIndex))
- != EOF)
- {
- switch (optc)
- {
- case SET_VERBOSE:
- verbosity++;
- break;
-
- case SET_TCP_PORT:
- if (optarg == 0) goto needValueForOption;
- if (!sscanf (optarg, "%d", &config->httpdPort)) goto notAnInteger;
- break;
-
- case SET_APITIMEOUT:
- if (optarg == 0) goto needValueForOption;
- if (!sscanf (optarg, "%d", &config->apiTimeout)) goto notAnInteger;
- break;
-
- case SET_CNTXTIMEOUT:
- if (optarg == 0) goto needValueForOption;
- if (!sscanf (optarg, "%d", &config->cntxTimeout)) goto notAnInteger;
- break;
-
- case SET_ROOT_DIR:
- if (optarg == 0) goto needValueForOption;
- config->rootdir = optarg;
- INFO("Forcing Rootdir=%s",config->rootdir);
- break;
-
- case SET_ROOT_BASE:
- if (optarg == 0) goto needValueForOption;
- config->rootbase = optarg;
- INFO("Forcing Rootbase=%s",config->rootbase);
- break;
-
- case SET_ROOT_API:
- if (optarg == 0) goto needValueForOption;
- config->rootapi = optarg;
- INFO("Forcing Rootapi=%s",config->rootapi);
- break;
-
- case SET_ALIAS:
- if (optarg == 0) goto needValueForOption;
- if ((unsigned)config->aliascount < sizeof (config->aliasdir) / sizeof (config->aliasdir[0])) {
- config->aliasdir[config->aliascount].url = strsep(&optarg,":");
- if (optarg == NULL) {
- ERROR("missing ':' in alias %s, ignored", config->aliasdir[config->aliascount].url);
- } else {
- config->aliasdir[config->aliascount].path = optarg;
- INFO("Alias url=%s path=%s", config->aliasdir[config->aliascount].url, config->aliasdir[config->aliascount].path);
- config->aliascount++;
- }
- } else {
- ERROR("Too many aliases [max:%d] %s ignored", MAX_ALIAS, optarg);
- }
- break;
-
- case SET_AUTH_TOKEN:
- if (optarg == 0) goto needValueForOption;
- config->token = optarg;
- break;
-
- case SET_LDPATH:
- if (optarg == 0) goto needValueForOption;
- config->ldpaths = optarg;
- break;
-
- case SET_SESSION_DIR:
- if (optarg == 0) goto needValueForOption;
- config->sessiondir = optarg;
- break;
-
- case SET_CACHE_TIMEOUT:
- if (optarg == 0) goto needValueForOption;
- if (!sscanf (optarg, "%d", &config->cacheTimeout)) goto notAnInteger;
- break;
-
- case SET_SESSIONMAX:
- if (optarg == 0) goto needValueForOption;
- if (!sscanf (optarg, "%d", &config->nbSessionMax)) goto notAnInteger;
- break;
-
- case SET_FORGROUND:
- if (optarg != 0) goto noValueForOption;
- config->background = 0;
- break;
-
- case SET_BACKGROUND:
- if (optarg != 0) goto noValueForOption;
- config->background = 1;
- break;
-
- case SET_MODE:
- if (optarg == 0) goto needValueForOption;
- if (!strcmp(optarg, "local")) config->mode = AFB_MODE_LOCAL;
- else if (!strcmp(optarg, "remote")) config->mode = AFB_MODE_REMOTE;
- else if (!strcmp(optarg, "global")) config->mode = AFB_MODE_GLOBAL;
- else goto badMode;
- break;
-
- case SET_READYFD:
- if (optarg == 0) goto needValueForOption;
- if (!sscanf (optarg, "%u", &config->readyfd)) goto notAnInteger;
- break;
-
- case DBUS_CLIENT:
- case DBUS_SERVICE:
- case SO_BINDING:
- if (optarg == 0) goto needValueForOption;
- add_item(config, optc, optarg);
- break;
-
- case DISPLAY_VERSION:
- if (optarg != 0) goto noValueForOption;
- printVersion(stdout);
- break;
-
- case DISPLAY_HELP:
- default:
- printHelp(stdout, programName);
- exit(0);
- }
- }
- free(gnuOptions);
-
- config_set_default (config);
- return;
-
-
-needValueForOption:
- ERROR("AFB-daemon option [--%s] need a value i.e. --%s=xxx"
- ,gnuOptions[optionIndex].name, gnuOptions[optionIndex].name);
- exit (1);
-
-notAnInteger:
- ERROR("AFB-daemon option [--%s] requirer an interger i.e. --%s=9"
- ,gnuOptions[optionIndex].name, gnuOptions[optionIndex].name);
- exit (1);
-
-noValueForOption:
- ERROR("AFB-daemon option [--%s] don't take value"
- ,gnuOptions[optionIndex].name);
- exit (1);
-
-badMode:
- ERROR("AFB-daemon option [--%s] only accepts local, global or remote."
- ,gnuOptions[optionIndex].name);
- exit (1);
+ NOTICE("Received SIGHUP");
+ /* TODO */
}
-/*----------------------------------------------------------
- | closeSession
- | try to close everything before leaving
- +--------------------------------------------------------- */
-static void closeSession (int status, void *data) {
- /* struct afb_config *config = data; */
+static void setup_daemon()
+{
+ struct sigaction siga;
+
+ /* install signal handlers */
+ memset(&siga, 0, sizeof siga);
+ siga.sa_flags = SA_SIGINFO;
+
+ siga.sa_sigaction = on_sigterm;
+ sigaction(SIGTERM, &siga, NULL);
+
+ siga.sa_sigaction = on_sighup;
+ sigaction(SIGHUP, &siga, NULL);
+
+ /* handle groups */
+ atexit(exit_handler);
+
+ /* ignore any SIGPIPE */
+ signal(SIGPIPE, SIG_IGN);
}
/*----------------------------------------------------------
| daemonize
| set the process in background
+--------------------------------------------------------- */
-static void daemonize(struct afb_config *config)
+static void daemonize()
{
- int consoleFD;
- int pid;
-
- // open /dev/console to redirect output messAFBes
- consoleFD = open(config->console, O_WRONLY | O_APPEND | O_CREAT , 0640);
- if (consoleFD < 0) {
- ERROR("AFB-daemon cannot open /dev/console (use --foreground)");
- exit (1);
- }
-
- // fork process when running background mode
- pid = fork ();
-
- // if fail nothing much to do
- if (pid == -1) {
- ERROR("AFB-daemon Failed to fork son process");
- exit (1);
- }
-
- // if in father process, just leave
- if (pid != 0) _exit (0);
+ int consoleFD;
+ int pid;
- // son process get all data in standalone mode
- NOTICE("background mode [pid:%d console:%s]", getpid(),config->console);
+ // open /dev/console to redirect output messAFBes
+ consoleFD = open(config->console, O_WRONLY | O_APPEND | O_CREAT, 0640);
+ if (consoleFD < 0) {
+ ERROR("AFB-daemon cannot open /dev/console (use --foreground)");
+ exit(1);
+ }
+ // fork process when running background mode
+ pid = fork();
- // redirect default I/O on console
- close (2); dup(consoleFD); // redirect stderr
- close (1); dup(consoleFD); // redirect stdout
- close (0); // no need for stdin
- close (consoleFD);
+ // if fail nothing much to do
+ if (pid == -1) {
+ ERROR("AFB-daemon Failed to fork son process");
+ exit(1);
+ }
+ // if in father process, just leave
+ if (pid != 0)
+ _exit(0);
+
+ // son process get all data in standalone mode
+ NOTICE("background mode [pid:%d console:%s]", getpid(),
+ config->console);
+
+ // redirect default I/O on console
+ close(2);
+ dup(consoleFD); // redirect stderr
+ close(1);
+ dup(consoleFD); // redirect stdout
+ close(0); // no need for stdin
+ close(consoleFD);
#if 0
- setsid(); // allow father process to fully exit
- sleep (2); // allow main to leave and release port
+ setsid(); // allow father process to fully exit
+ sleep(2); // allow main to leave and release port
#endif
}
| http server
| Handles the HTTP server
+--------------------------------------------------------- */
-static int init_http_server(struct afb_hsrv *hsrv, struct afb_config * config)
+static int init_alias(void *closure, char *spec)
{
- int idx;
+ struct afb_hsrv *hsrv = closure;
+ char *path = strchr(spec, ':');
- if (!afb_hsrv_add_handler(hsrv, config->rootapi, afb_hswitch_websocket_switch, NULL, 20))
- return 0;
+ if (path == NULL) {
+ ERROR("Missing ':' in alias %s. Alias ignored", spec);
+ return 1;
+ }
+ *path++ = 0;
+ INFO("Alias for url=%s to path=%s", spec, path);
+ return afb_hsrv_add_alias(hsrv, spec, afb_common_rootdir_get_fd(), path,
+ 0, 0);
+}
- if (!afb_hsrv_add_handler(hsrv, config->rootapi, afb_hswitch_apis, NULL, 10))
+static int init_http_server(struct afb_hsrv *hsrv)
+{
+ if (!afb_hsrv_add_handler
+ (hsrv, config->rootapi, afb_hswitch_websocket_switch, main_apiset, 20))
return 0;
- for (idx = 0; idx < config->aliascount; idx++)
- if (!afb_hsrv_add_alias (hsrv, config->aliasdir[idx].url, config->aliasdir[idx].path, 0, 0))
- return 0;
+ if (!afb_hsrv_add_handler
+ (hsrv, config->rootapi, afb_hswitch_apis, main_apiset, 10))
+ return 0;
- if (!afb_hsrv_add_alias(hsrv, "", config->rootdir, -10, 1))
+ if (run_for_list(config->aliases, init_alias, hsrv))
return 0;
- if (!afb_hsrv_add_handler(hsrv, config->rootbase, afb_hswitch_one_page_api_redirect, NULL, -20))
+ if (config->roothttp != NULL) {
+ if (!afb_hsrv_add_alias
+ (hsrv, "", afb_common_rootdir_get_fd(), config->roothttp,
+ -10, 1))
+ return 0;
+ }
+
+ if (!afb_hsrv_add_handler
+ (hsrv, config->rootbase, afb_hswitch_one_page_api_redirect, NULL,
+ -20))
return 0;
return 1;
}
-static struct afb_hsrv *start_http_server(struct afb_config * config)
+static struct afb_hsrv *start_http_server()
{
int rc;
struct afb_hsrv *hsrv;
- if (afb_hreq_init_download_path("/tmp")) { /* TODO: sessiondir? */
- ERROR("unable to set the tmp directory");
+ if (afb_hreq_init_download_path(config->uploaddir)) {
+ ERROR("unable to set the upload directory %s", config->uploaddir);
return NULL;
}
}
if (!afb_hsrv_set_cache_timeout(hsrv, config->cacheTimeout)
- || !init_http_server(hsrv, config)) {
+ || !init_http_server(hsrv)) {
ERROR("initialisation of httpd failed");
afb_hsrv_put(hsrv);
return NULL;
}
NOTICE("Waiting port=%d rootdir=%s", config->httpdPort, config->rootdir);
- NOTICE("Browser URL= http:/*localhost:%d", config->httpdPort);
+ NOTICE("Browser URL= http://localhost:%d", config->httpdPort);
rc = afb_hsrv_start(hsrv, (uint16_t) config->httpdPort, 15);
if (!rc) {
return hsrv;
}
-static void start_items(struct afb_config_item *item)
+/*---------------------------------------------------------
+ | execute_command
+ +--------------------------------------------------------- */
+
+static void on_sigchld(int signum, siginfo_t *info, void *uctx)
{
- if (item != NULL) {
- /* keeps the order */
- start_items(item->previous);
- switch(item->kind) {
- case DBUS_CLIENT:
- if (afb_api_dbus_add_client(item->value) < 0) {
- ERROR("can't start the afb-dbus client of path %s",item->value);
+ if (info->si_pid == childpid) {
+ switch (info->si_code) {
+ case CLD_EXITED:
+ case CLD_KILLED:
+ case CLD_DUMPED:
+ childpid = 0;
+ if (!SELF_PGROUP)
+ killpg(info->si_pid, SIGKILL);
+ waitpid(info->si_pid, NULL, 0);
+ exit(0);
+ }
+ }
+}
+
+/*
+# @@ @
+# @p port
+# @t token
+*/
+
+#define SUBST_CHAR '@'
+#define SUBST_STR "@"
+
+static char *instanciate_string(char *arg, const char *port, const char *token)
+{
+ char *resu, *it, *wr;
+ int chg, dif;
+
+ /* get the changes */
+ chg = 0;
+ dif = 0;
+ it = strchrnul(arg, SUBST_CHAR);
+ while (*it) {
+ switch(*++it) {
+ case 'p': chg++; dif += (int)strlen(port) - 2; break;
+ case 't': chg++; dif += (int)strlen(token) - 2; break;
+ case SUBST_CHAR: it++; chg++; dif--; break;
+ default: break;
+ }
+ it = strchrnul(it, SUBST_CHAR);
+ }
+
+ /* return arg when no change */
+ if (!chg)
+ return arg;
+
+ /* allocates the result */
+ resu = malloc((it - arg) + dif + 1);
+ if (!resu) {
+ ERROR("out of memory");
+ return NULL;
+ }
+
+ /* instanciate the arguments */
+ wr = resu;
+ for (;;) {
+ it = strchrnul(arg, SUBST_CHAR);
+ wr = mempcpy(wr, arg, it - arg);
+ if (!*it)
+ break;
+ switch(*++it) {
+ case 'p': wr = stpcpy(wr, port); break;
+ case 't': wr = stpcpy(wr, token); break;
+ default: *wr++ = SUBST_CHAR; /*@fallthrough@*/
+ case SUBST_CHAR: *wr++ = *it;
+ }
+ arg = ++it;
+ }
+
+ *wr = 0;
+ return resu;
+}
+
+static int instanciate_environ(const char *port, const char *token)
+{
+ extern char **environ;
+ char *repl;
+ int i;
+
+ /* instanciate the environment */
+ for (i = 0 ; environ[i] ; i++) {
+ repl = instanciate_string(environ[i], port, token);
+ if (!repl)
+ return -1;
+ environ[i] = repl;
+ }
+ return 0;
+}
+
+static int instanciate_command_args(const char *port, const char *token)
+{
+ char *repl;
+ int i;
+
+ /* instanciate the arguments */
+ for (i = 0 ; config->exec[i] ; i++) {
+ repl = instanciate_string(config->exec[i], port, token);
+ if (!repl)
+ return -1;
+ config->exec[i] = repl;
+ }
+ return 0;
+}
+
+static int execute_command()
+{
+ struct sigaction siga;
+ char port[20];
+ const char *token;
+ int rc;
+
+ /* check whether a command is to execute or not */
+ if (!config->exec || !config->exec[0])
+ return 0;
+
+ if (SELF_PGROUP)
+ setpgid(0, 0);
+
+ /* install signal handler */
+ memset(&siga, 0, sizeof siga);
+ siga.sa_sigaction = on_sigchld;
+ siga.sa_flags = SA_SIGINFO;
+ sigaction(SIGCHLD, &siga, NULL);
+
+ /* fork now */
+ childpid = fork();
+ if (childpid)
+ return 0;
+
+ /* compute the string for port */
+ if (config->httpdPort)
+ rc = snprintf(port, sizeof port, "%d", config->httpdPort);
+ else
+ rc = snprintf(port, sizeof port, "%cp", SUBST_CHAR);
+ if (rc < 0 || rc >= (int)(sizeof port)) {
+ ERROR("port->txt failed");
+ }
+ else {
+ /* instanciate arguments and environment */
+ token = afb_session_initial_token();
+ if (instanciate_command_args(port, token) >= 0
+ && instanciate_environ(port, token) >= 0) {
+ /* run */
+ if (!SELF_PGROUP)
+ setpgid(0, 0);
+ execv(config->exec[0], config->exec);
+ ERROR("can't launch %s: %m", config->exec[0]);
+ }
+ }
exit(1);
- }
- break;
- case DBUS_SERVICE:
- if (afb_api_dbus_add_server(item->value) < 0) {
- ERROR("can't start the afb-dbus service of path %s",item->value);
+ return -1;
+}
+
+/*---------------------------------------------------------
+ | startup calls
+ +--------------------------------------------------------- */
+
+struct startup_req
+{
+ struct afb_xreq xreq;
+ char *api;
+ char *verb;
+ struct afb_config_list *current;
+ struct afb_session *session;
+};
+
+static void startup_call_reply(struct afb_xreq *xreq, int status, struct json_object *obj)
+{
+ struct startup_req *sreq = CONTAINER_OF_XREQ(struct startup_req, xreq);
+
+ if (status >= 0)
+ NOTICE("startup call %s returned %s", sreq->current->value, json_object_get_string(obj));
+ else {
+ ERROR("startup call %s ERROR! %s", sreq->current->value, json_object_get_string(obj));
+ exit(1);
+ }
+}
+
+static void startup_call_current(struct startup_req *sreq);
+
+static void startup_call_unref(struct afb_xreq *xreq)
+{
+ struct startup_req *sreq = CONTAINER_OF_XREQ(struct startup_req, xreq);
+
+ free(sreq->api);
+ free(sreq->verb);
+ json_object_put(sreq->xreq.json);
+ sreq->current = sreq->current->next;
+ if (sreq->current)
+ startup_call_current(sreq);
+ else {
+ afb_session_close(sreq->session);
+ afb_session_unref(sreq->session);
+ free(sreq);
+ }
+}
+
+static struct afb_xreq_query_itf startup_xreq_itf =
+{
+ .reply = startup_call_reply,
+ .unref = startup_call_unref
+};
+
+static void startup_call_current(struct startup_req *sreq)
+{
+ char *api, *verb, *json;
+
+ api = sreq->current->value;
+ verb = strchr(api, '/');
+ if (verb) {
+ json = strchr(verb, ':');
+ if (json) {
+ afb_xreq_init(&sreq->xreq, &startup_xreq_itf);
+ afb_context_init(&sreq->xreq.context, sreq->session, NULL);
+ sreq->xreq.context.validated = 1;
+ sreq->api = strndup(api, verb - api);
+ sreq->verb = strndup(verb + 1, json - verb - 1);
+ sreq->xreq.request.api = sreq->api;
+ sreq->xreq.request.verb = sreq->verb;
+ sreq->xreq.json = json_tokener_parse(json + 1);
+ if (sreq->api && sreq->verb && sreq->xreq.json) {
+ afb_xreq_process(&sreq->xreq, main_apiset);
+ return;
+ }
+ }
+ }
+ ERROR("Bad call specification %s", sreq->current->value);
exit(1);
- }
- break;
- case SO_BINDING:
- if (afb_api_so_add_binding(item->value) < 0) {
- ERROR("can't start the binding of path %s",item->value);
+}
+
+static void run_startup_calls()
+{
+ struct afb_config_list *list;
+ struct startup_req *sreq;
+
+ list = config->calls;
+ if (list) {
+ sreq = calloc(1, sizeof *sreq);
+ sreq->session = afb_session_create(3600);
+ sreq->current = list;
+ startup_call_current(sreq);
+ }
+}
+
+/*---------------------------------------------------------
+ | job for starting the daemon
+ +--------------------------------------------------------- */
+
+static void start(int signum)
+{
+ struct afb_hsrv *hsrv;
+
+ afb_debug("start-entry");
+
+ if (signum) {
+ ERROR("start aborted: received signal %s", strsignal(signum));
+ exit(1);
+ }
+
+ // ------------------ sanity check ----------------------------------------
+ if (config->httpdPort <= 0) {
+ ERROR("no port is defined");
+ goto error;
+ }
+
+ /* set the directories */
+ mkdir(config->workdir, S_IRWXU | S_IRGRP | S_IXGRP);
+ if (chdir(config->workdir) < 0) {
+ ERROR("Can't enter working dir %s", config->workdir);
+ goto error;
+ }
+ if (afb_common_rootdir_set(config->rootdir) < 0) {
+ ERROR("failed to set common root directory");
+ goto error;
+ }
+
+ /* configure the daemon */
+ afb_session_init(config->nbSessionMax, config->cntxTimeout, config->token);
+ if (!afb_hreq_init_cookie(config->httpdPort, config->rootapi, config->cntxTimeout)) {
+ ERROR("initialisation of cookies failed");
+ goto error;
+ }
+ main_apiset = afb_apiset_create("main", config->apiTimeout);
+ if (!main_apiset) {
+ ERROR("can't create main api set");
+ goto error;
+ }
+ if (afb_monitor_init() < 0) {
+ ERROR("failed to setup monitor");
+ goto error;
+ }
+
+ /* install hooks */
+ if (config->tracereq)
+ afb_hook_create_xreq(NULL, NULL, NULL, config->tracereq, NULL, NULL);
+ if (config->traceditf)
+ afb_hook_create_ditf(NULL, config->traceditf, NULL, NULL);
+ if (config->tracesvc)
+ afb_hook_create_svc(NULL, config->tracesvc, NULL, NULL);
+ if (config->traceevt)
+ afb_hook_create_evt(NULL, config->traceevt, NULL, NULL);
+
+ /* load bindings */
+ afb_debug("start-load");
+ apiset_start_list(config->so_bindings, afb_api_so_add_binding, "the binding");
+ apiset_start_list(config->dbus_clients, afb_api_dbus_add_client, "the afb-dbus client");
+ apiset_start_list(config->ws_clients, afb_api_ws_add_client_weak, "the afb-websocket client");
+ apiset_start_list(config->ldpaths, afb_api_so_add_pathset_fails, "the binding path set");
+ apiset_start_list(config->weak_ldpaths, afb_api_so_add_pathset_nofails, "the weak binding path set");
+
+ apiset_start_list(config->dbus_servers, afb_api_dbus_add_server, "the afb-dbus service");
+ apiset_start_list(config->ws_servers, afb_api_ws_add_server, "the afb-websocket service");
+
+ DEBUG("Init config done");
+
+ /* start the services */
+ afb_debug("start-start");
+#if !defined(NO_CALL_PERSONALITY)
+ personality((unsigned long)-1L);
+#endif
+ if (afb_apiset_start_all_services(main_apiset, 1) < 0)
+ goto error;
+
+ /* start the HTTP server */
+ afb_debug("start-http");
+ if (!config->noHttpd) {
+ hsrv = start_http_server();
+ if (hsrv == NULL)
+ goto error;
+ }
+
+ /* run the startup calls */
+ afb_debug("start-call");
+ run_startup_calls();
+
+ /* run the command */
+ afb_debug("start-exec");
+ if (execute_command() < 0)
+ goto error;
+
+ /* ready */
+ sd_notify(1, "READY=1");
+ return;
+error:
exit(1);
- }
- break;
- default:
- ERROR("unexpected internal error");
- exit(1);
- }
- /* frre the item */
- free(item);
- }
}
/*---------------------------------------------------------
| Parse option and launch action
+--------------------------------------------------------- */
-int main(int argc, char *argv[]) {
- struct afb_hsrv *hsrv;
- struct afb_config *config;
- struct sd_event *eventloop;
-
- LOGAUTH("afb-daemon");
-
- // ------------- Build session handler & init config -------
- config = calloc (1, sizeof (struct afb_config));
-
- on_exit(closeSession, config);
- parse_arguments(argc, argv, config);
-
- // ------------------ sanity check ----------------------------------------
- if (config->httpdPort <= 0) {
- ERROR("no port is defined");
- exit (1);
- }
-
- afb_api_so_set_timeout(config->apiTimeout);
- if (config->ldpaths) {
- if (afb_api_so_add_pathset(config->ldpaths) < 0) {
- ERROR("initialisation of bindings within %s failed", config->ldpaths);
- exit(1);
- }
- }
-
- start_items(config->items);
- config->items = NULL;
-
- ctxStoreInit(config->nbSessionMax, config->cntxTimeout, config->token, afb_apis_count());
- if (!afb_hreq_init_cookie(config->httpdPort, config->rootapi, DEFLT_CNTX_TIMEOUT)) {
- ERROR("initialisation of cookies failed");
- exit (1);
- }
-
- if (afb_sig_handler_init() < 0) {
- ERROR("main fail to initialise signal handlers");
- return 1;
- }
-
- // let's run this program with a low priority
- nice (20);
-
- // ------------------ Finaly Process Commands -----------------------------
- // let's not take the risk to run as ROOT
- //if (getuid() == 0) goto errorNoRoot;
-
- DEBUG("Init config done");
-
- // --------- run -----------
- if (config->background) {
- // --------- in background mode -----------
- INFO("entering background mode");
- daemonize(config);
- } else {
- // ---- in foreground mode --------------------
- INFO("entering foreground mode");
- }
-
- hsrv = start_http_server(config);
- if (hsrv == NULL)
- exit(1);
+int main(int argc, char *argv[])
+{
+ afb_debug("main-entry");
- /* start the services */
- if (afb_apis_start_all_services(1) < 0)
- exit(1);
+ // let's run this program with a low priority
+ nice(20);
- if (config->readyfd != 0) {
- static const char readystr[] = "READY=1";
- write(config->readyfd, readystr, sizeof(readystr) - 1);
- close(config->readyfd);
- }
+ sd_fds_init();
- // infinite loop
- eventloop = afb_common_get_event_loop();
- for(;;)
- sd_event_run(eventloop, 30000000);
+ // ------------- Build session handler & init config -------
+ config = afb_config_parse_arguments(argc, argv);
+ if (config->name) {
+ verbose_set_name(config->name, 0);
+ process_name_set_name(config->name);
+ process_name_replace_cmdline(argv, config->name);
+ }
+ afb_debug("main-args");
+
+ // --------- run -----------
+ if (config->background) {
+ // --------- in background mode -----------
+ INFO("entering background mode");
+ daemonize();
+ } else {
+ // ---- in foreground mode --------------------
+ INFO("entering foreground mode");
+ }
+ INFO("running with pid %d", getpid());
- WARNING("hoops returned from infinite loop [report bug]");
+ /* set the daemon environment */
+ setup_daemon();
- return 0;
+ afb_debug("main-start");
+
+ /* enter job processing */
+ jobs_start(3, 0, 50, start);
+ WARNING("hoops returned from jobs_enter! [report bug]");
+ return 1;
}
Code Review / src / app-framework-binder.git / blobdiff