#include <setjmp.h>
#include <signal.h>
#include <getopt.h>
+#include <pwd.h>
-static sigjmp_buf exitpoint; // context save for set/longjmp
-static sigjmp_buf restartpoint; // context save for set/longjmp
+#define AFB_VERSION "0.1"
+
+static sigjmp_buf exitPoint; // context save for set/longjmp
/*----------------------------------------------------------
| printversion
static void printVersion (void) {
fprintf (stderr,"\n----------------------------------------- \n");
- fprintf (stderr,"| AFB [Application Framework Binder] version=%s |\n", AJQ_VERSION);
+ fprintf (stderr,"| AFB [Application Framework Binder] version=%s |\n", AFB_VERSION);
fprintf (stderr,"----------------------------------------- \n");
fprintf (stderr,"| Copyright(C) 2015 Fulup Ar Foll /IoT.bzh [fulup -at- iot.bzh]\n");
fprintf (stderr,"| AFB comes with ABSOLUTELY NO WARRANTY.\n");
// Define command line option
- #define SET_VERBOSE 101
- #define SET_BACKGROUND 105
- #define SET_FORGROUND 106
- #define KILL_PREV_EXIT 107
- #define KILL_PREV_REST 108
- #define SET_FAKE_MOD 109
-
- #define SET_TCP_PORT 120
- #define SET_ROOT_DIR 121
- #define SET_ROOT_BASE 122
- #define SET_ROOT_API 123
- #define SET_ROOT_ALIAS 124
-
- #define SET_CACHE_TO 130
- #define SET_cardid 131
- #define SET_PID_FILE 132
- #define SET_SESSION_DIR 133
- #define SET_CONFIG_FILE 134
- #define SET_CONFIG_SAVE 135
- #define SET_CONFIG_EXIT 138
-
- #define SET_SMACK 140
- #define SET_PLUGINS 141
- #define SET_APITIMEOUT 142
-
- #define DISPLAY_VERSION 150
- #define DISPLAY_HELP 151
+#define SET_VERBOSE 101
+#define SET_BACKGROUND 105
+#define SET_FORGROUND 106
+#define KILL_PREV_EXIT 107
+#define KILL_PREV_REST 108
+#define SET_FAKE_MOD 109
+
+#define SET_TCP_PORT 120
+#define SET_ROOT_DIR 121
+#define SET_ROOT_BASE 122
+#define SET_ROOT_API 123
+#define SET_ROOT_ALIAS 124
+
+#define SET_CACHE_TO 130
+#define SET_USERID 131
+#define SET_PID_FILE 132
+#define SET_SESSION_DIR 133
+#define SET_CONFIG_FILE 134
+#define SET_CONFIG_SAVE 135
+#define SET_CONFIG_EXIT 138
+
+#define SET_AUTH_TOKEN 141
+#define SET_LDPATH 142
+#define SET_APITIMEOUT 143
+#define SET_CNTXTIMEOUT 144
+
+#define DISPLAY_VERSION 150
+#define DISPLAY_HELP 151
+
+#define SET_MODE 160
+#define SET_READYFD 161
+
+// 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
{KILL_PREV_REST ,0,"restart" , "Kill active process if any and restart"},
{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_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_ROOT_ALIAS ,1,"alias" , "Muliple url map outside of rootdir [eg: --alias=/icons:/usr/share/icons]"},
+
{SET_APITIMEOUT ,1,"apitimeout" , "Plugin API timeout in seconds [default 10]"},
-
+ {SET_CNTXTIMEOUT ,1,"cntxtimeout" , "Client Session Context Timeout [default 900]"},
{SET_CACHE_TO ,1,"cache-eol" , "Client cache end of live [default 3600s]"},
- {SET_cardid ,1,"setuid" , "Change user id [default don't change]"},
+
+ {SET_USERID ,1,"setuid" , "Change user id [default don't change]"},
{SET_PID_FILE ,1,"pidfile" , "PID file path [default none]"},
{SET_SESSION_DIR ,1,"sessiondir" , "Sessions file path [default rootdir/sessions]"},
{SET_CONFIG_FILE ,1,"config" , "Config Filename [default rootdir/sessions/configs/default.AFB]"},
{SET_CONFIG_SAVE ,0,"save" , "Save config on disk [default no]"},
{SET_CONFIG_EXIT ,0,"saveonly" , "Save config on disk and then exit"},
- {SET_SMACK ,1,"smack" , "Set Smack Label [default=demo"},
- {SET_PLUGINS ,1,"mods" , "Enable module [default=all"},
+ {SET_LDPATH ,1,"ldpaths" , "Load Plugins from dir1:dir2:... [default = PLUGIN_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"},
- {0, 0, 0}
+
+ {SET_MODE ,1,"mode" , "set the mode: either local, remote or global"},
+ {SET_READYFD ,1,"readyfd" , "set the #fd to signal when ready"},
+ {0, 0, NULL, NULL}
};
static AFB_aliasdir aliasdir[MAX_ALIAS];
static int aliascount=0;
-/*----------------------------------------------------------
- | signalQuit
- | return to intitial exitpoint on order to close backend
- | before exiting.
- +--------------------------------------------------------- */
-void signalQuit (int signum)
-{
- if (verbose) printf ("INF:signalQuit received signal to quit\n");
- longjmp (exitpoint, signum);
-}
-
/*----------------------------------------------------------
| timeout signalQuit
|
+--------------------------------------------------------- */
-void signalFail (int signum) {
+void signalQuit (int signum) {
sigset_t sigset;
sigaddset (&sigset, SIGABRT);
sigprocmask (SIG_UNBLOCK, &sigset, 0);
- fprintf (stderr, "%s ERR:getAllBlock acquisition timeout\n",configTime());
- syslog (LOG_ERR, "Daemon fail and restart [please report bug]");
- longjmp (restartpoint, signum);
+ fprintf (stderr, "%s ERR:Received signal quit\n",configTime());
+ syslog (LOG_ERR, "Daemon got kill3 & quit [please report bug]");
+ longjmp (exitPoint, signum);
}
fprintf (stderr," --%-15s %s\n", command, cliOptions[ind].help);
}
}
- fprintf (stderr,"Example:\n %s\\\n --verbose --port=1234 --smack=xxxx --mods=alsa:dbus\n", name);
+ fprintf (stderr,"Example:\n %s\\\n --verbose --port=1234 --token='azerty' --ldpaths=build/plugins:/usr/lib64/agl/plugins\n", name);
} // end printHelp
/*----------------------------------------------------------
}
-
/*----------------------------------------------------------
| listenLoop
| Main listening HTTP loop
static void listenLoop (AFB_session *session) {
AFB_error err;
- if (signal (SIGABRT, signalFail) == SIG_ERR) {
+ if (signal (SIGABRT, signalQuit) == SIG_ERR) {
fprintf (stderr, "%s ERR: main fail to install Signal handler\n", configTime());
return;
}
err = httpdStart (session);
if (err != AFB_SUCCESS) return;
+ if (session->readyfd != 0) {
+ static const char readystr[] = "READY=1";
+ write(session->readyfd, readystr, sizeof(readystr) - 1);
+ close(session->readyfd);
+ }
+
// infinite loop
httpdLoop(session);
fprintf (stderr, "hoops returned from infinite loop [report bug]\n");
}
}
-
-
+
/*---------------------------------------------------------
| main
| Parse option and launch action
+--------------------------------------------------------- */
-int main(int argc, char *argv[]) {
- AFB_session *session;
+static void parse_arguments(int argc, char *argv[], AFB_session *session)
+{
char* programName = argv [0];
int optionIndex = 0;
- int optc, ind, consoleFD;
- int pid, nbcmd, status;
+ int optc, ind;
+ int nbcmd;
+ struct option *gnuOptions;
AFB_config cliconfig; // temp structure to store CLI option before file config upload
// ------------- Build session handler & init config -------
- session = configInit ();
memset(&cliconfig,0,sizeof(cliconfig));
memset(&aliasdir ,0,sizeof(aliasdir));
cliconfig.aliasdir = aliasdir;
- // GNU CLI getopts nterface.
- struct option ggcOption;
- struct option *gnuOptions;
-
// ------------------ Process Command Line -----------------------
// if no argument print help and return
if (argc < 2) {
printHelp(programName);
- return (-1);
+ exit(1);
}
// build GNU getopt info from cliOptions
nbcmd = sizeof (cliOptions) / sizeof (AFB_options);
- gnuOptions = malloc (sizeof (ggcOption) * nbcmd);
+ 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;
if (!sscanf (optarg, "%d", &cliconfig.apiTimeout)) goto notAnInteger;
break;
+ case SET_CNTXTIMEOUT:
+ if (optarg == 0) goto needValueForOption;
+ if (!sscanf (optarg, "%d", &cliconfig.cntxTimeout)) goto notAnInteger;
+ break;
+
case SET_ROOT_DIR:
if (optarg == 0) goto needValueForOption;
cliconfig.rootdir = optarg;
if (optarg == 0) goto needValueForOption;
if (aliascount < MAX_ALIAS) {
aliasdir[aliascount].url = strsep(&optarg,":");
- aliasdir[aliascount].path = strsep(&optarg,":");
- aliasdir[aliascount].len = strlen(aliasdir[aliascount].url);
- if (verbose) fprintf(stderr, "Alias url=%s path=%s\n", aliasdir[aliascount].url, aliasdir[aliascount].path);
- aliascount++;
+ if (optarg == NULL) {
+ fprintf(stderr, "missing ':' in alias %s, ignored\n", aliasdir[aliascount].url);
+ } else {
+ aliasdir[aliascount].path = optarg;
+ aliasdir[aliascount].len = strlen(aliasdir[aliascount].url);
+ if (verbose) fprintf(stderr, "Alias url=%s path=%s\n", aliasdir[aliascount].url, aliasdir[aliascount].path);
+ aliascount++;
+ }
} else {
- fprintf(stderr, "Too many aliases [max:%s] %s ignored\n", optarg, MAX_ALIAS-1);
- }
-
-
+ fprintf(stderr, "Too many aliases [max:%d] %s ignored\n", MAX_ALIAS, optarg);
+ }
break;
- case SET_SMACK:
+ case SET_AUTH_TOKEN:
if (optarg == 0) goto needValueForOption;
- fprintf (stderr, "Not Implemented yet\n");
- cliconfig.smack = optarg;
+ cliconfig.token = optarg;
break;
- case SET_PLUGINS:
+ case SET_LDPATH:
if (optarg == 0) goto needValueForOption;
- fprintf (stderr, "Not Implemented yet\n");
- cliconfig.plugins = optarg;
+ cliconfig.ldpaths = optarg;
break;
case SET_PID_FILE:
session->configsave = 1;
break;
- case SET_cardid:
+ case SET_USERID:
if (optarg == 0) goto needValueForOption;
- if (!sscanf (optarg, "%d", &cliconfig.setuid)) goto notAnInteger;
+ cliconfig.setuid = optarg;
break;
case SET_FAKE_MOD:
session->killPrevious = 2;
break;
+ case SET_MODE:
+ if (optarg == 0) goto needValueForOption;
+ if (!strcmp(optarg, "local")) cliconfig.mode = AFB_MODE_LOCAL;
+ else if (!strcmp(optarg, "remote")) cliconfig.mode = AFB_MODE_REMOTE;
+ else if (!strcmp(optarg, "global")) cliconfig.mode = AFB_MODE_GLOBAL;
+ else goto badMode;
+ break;
+
+ case SET_READYFD:
+ if (optarg == 0) goto needValueForOption;
+ if (!sscanf (optarg, "%u", &session->readyfd)) goto notAnInteger;
+ break;
+
case DISPLAY_VERSION:
if (optarg != 0) goto noValueForOption;
printVersion();
- goto normalExit;
+ exit(0);
case DISPLAY_HELP:
default:
printHelp(programName);
- goto normalExit;
-
- }
+ exit(0);
+ }
}
- // Create session config
- configInit (/* session & config are initialized globally */);
-
+ free(gnuOptions);
+
// if exist merge config file with CLI arguments
configLoadFile (session, &cliconfig);
+ return;
+
+
+needValueForOption:
+ fprintf (stderr,"\nERR:AFB-daemon option [--%s] need a value i.e. --%s=xxx\n\n"
+ ,gnuOptions[optionIndex].name, gnuOptions[optionIndex].name);
+ exit (1);
+
+notAnInteger:
+ fprintf (stderr,"\nERR:AFB-daemon option [--%s] requirer an interger i.e. --%s=9\n\n"
+ ,gnuOptions[optionIndex].name, gnuOptions[optionIndex].name);
+ exit (1);
+
+noValueForOption:
+ fprintf (stderr,"\nERR:AFB-daemon option [--%s] don't take value\n\n"
+ ,gnuOptions[optionIndex].name);
+ exit (1);
+
+badMode:
+ fprintf (stderr,"\nERR:AFB-daemon option [--%s] only accepts local, global or remote.\n\n"
+ ,gnuOptions[optionIndex].name);
+ exit (1);
+}
+
+/*---------------------------------------------------------
+ | main
+ | Parse option and launch action
+ +--------------------------------------------------------- */
+
+int main(int argc, char *argv[]) {
+ AFB_session *session;
+ char* programName = argv [0];
+ int consoleFD;
+ int pid, status;
+
+ // ------------- Build session handler & init config -------
+ session = configInit ();
+ parse_arguments(argc, argv, session);
+ initPlugins(session);
// ------------------ sanity check ----------------------------------------
if ((session->background) && (session->foreground)) {
fprintf (stderr, "%s ERR: cannot select foreground & background at the same time\n",configTime());
- exit (-1);
+ exit (1);
}
// ------------------ Some useful default values -------------------------
if ((session->background == 0) && (session->foreground == 0)) session->foreground=1;
// open syslog if ever needed
- openlog("AGB-log", 0, LOG_DAEMON);
+ openlog("AFB-log", 0, LOG_DAEMON);
- // -------------- Try to kill any previsou process if asked ---------------------
+ // -------------- Try to kill any previous process if asked ---------------------
if (session->killPrevious) {
pid = readPidFile (session->config); // enforce commandline option
switch (pid) {
// ------------------ clean exit on CTR-C signal ------------------------
if (signal (SIGINT, signalQuit) == SIG_ERR) {
fprintf (stderr, "%s Quit Signal received.",configTime());
- return (-1);
+ return 1;
}
- // save exitpoint context when returning from longjmp closeSession and exit
- status = setjmp (exitpoint); // return !+ when coming from longjmp
+ // save exitPoint context when returning from longjmp closeSession and exit
+ status = setjmp (exitPoint); // return !+ when coming from longjmp
if (status != 0) {
if (verbose) printf ("INF:main returning from longjump after signal [%d]\n", status);
closeSession (session);
// let's run this program with a low priority
status=nice (20);
-
// ------------------ Finaly Process Commands -----------------------------
-
-
-
// if --save then store config on disk upfront
if (session->configsave) configStoreFile (session);
if (session->forceexit) exit (0);
if (session->config->setuid) {
int err;
-
- err = setuid(session->config->setuid);
- if (err) fprintf (stderr, "Fail to change program cardid error=%s", strerror(err));
+ struct passwd *passwd;
+ passwd=getpwnam(session->config->setuid);
+
+ if (passwd == NULL) goto errorSetuid;
+
+ err = setuid(passwd->pw_uid);
+ if (err) goto errorSetuid;
}
// let's not take the risk to run as ROOT
- if (getuid() == 0) status=setuid(65534); // run as nobody
+ //if (getuid() == 0) goto errorNoRoot;
// check session dir and create if it does not exist
if (sessionCheckdir (session) != AFB_SUCCESS) goto errSessiondir;
if (status == -1) goto errorPidFile;
// we are in father process, we don't need this one
- exit (0);
+ _exit (0);
} // end background-foreground
normalExit:
closeSession (session); // try to close everything before leaving
if (verbose) printf ("\n---- Application Framework Binder Normal End ------\n");
- exit (0);
+ exit(0);
// ------------- Fatal ERROR display error and quit -------------
+errorSetuid:
+ fprintf (stderr,"\nERR:AFB-daemon Failed to change UID to username=[%s]\n\n", session->config->setuid);
+ exit (1);
+
+//errorNoRoot:
+// fprintf (stderr,"\nERR:AFB-daemon Not allow to run as root [use --seteuid=username option]\n\n");
+// exit (1);
+
errorPidFile:
- fprintf (stderr,"\nERR:main Failled to write pid file [%s]\n\n", session->config->pidfile);
- exit (-1);
+ fprintf (stderr,"\nERR:AFB-daemon Failed to write pid file [%s]\n\n", session->config->pidfile);
+ exit (1);
errorFork:
- fprintf (stderr,"\nERR:main Failled to fork son process\n\n");
- exit (-1);
-
-needValueForOption:
- fprintf (stderr,"\nERR:main option [--%s] need a value i.e. --%s=xxx\n\n"
- ,gnuOptions[optionIndex].name, gnuOptions[optionIndex].name);
- exit (-1);
-
-noValueForOption:
- fprintf (stderr,"\nERR:main option [--%s] don't take value\n\n"
- ,gnuOptions[optionIndex].name);
- exit (-1);
-
-notAnInteger:
- fprintf (stderr,"\nERR:main option [--%s] requirer an interger i.e. --%s=9\n\n"
- ,gnuOptions[optionIndex].name, gnuOptions[optionIndex].name);
- exit (-1);
+ fprintf (stderr,"\nERR:AFB-daemon Failed to fork son process\n\n");
+ exit (1);
exitOnSignal:
- fprintf (stderr,"\n%s INF:main pid=%d received exit signal (Hopefully crtl-C or --kill-previous !!!)\n\n"
+ fprintf (stderr,"\n%s INF:AFB-daemon pid=%d received exit signal (Hopefully crtl-C or --kill-previous !!!)\n\n"
,configTime(), getpid());
- exit (-1);
+ exit (1);
errConsole:
- fprintf (stderr,"\nERR:cannot open /dev/console (use --foreground)\n\n");
- exit (-1);
+ fprintf (stderr,"\nERR:AFB-daemon cannot open /dev/console (use --foreground)\n\n");
+ exit (1);
errSessiondir:
- fprintf (stderr,"\nERR:cannot read/write session dir\n\n");
- exit (-1);
-
-errSoundCard:
- fprintf (stderr,"\nERR:fail to probe sound cards\n\n");
- exit (-1);
+ fprintf (stderr,"\nERR:AFB-daemon cannot read/write session dir\n\n");
+ exit (1);
exitInitLoop:
// try to unlink pid file if any
if (session->background && session->config->pidfile != NULL) unlink (session->config->pidfile);
- exit (-1);
+ exit (1);
+
+}
-}; /* END main() */
Code Review / src / app-framework-binder.git / blobdiff