X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fmain.c;h=40f28c1324af48f896fe8c97fc98743d551451ce;hb=3a10185ae380956bd356c73f34138f97255bf7e6;hp=a86de1c5a79c50eff2ef08f64c64c49d17b1719c;hpb=c2bda43c447016a20ed061078b0dff3e64d09940;p=src%2Fapp-framework-binder.git diff --git a/src/main.c b/src/main.c index a86de1c5..40f28c13 100644 --- a/src/main.c +++ b/src/main.c @@ -29,9 +29,11 @@ #include #include #include +#include -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 @@ -40,7 +42,7 @@ static sigjmp_buf restartpoint; // context save for set/longjmp 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"); @@ -50,31 +52,45 @@ static sigjmp_buf restartpoint; // context save for set/longjmp // 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_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 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 @@ -87,42 +103,41 @@ static AFB_options cliOptions [] = { {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} }; -/*---------------------------------------------------------- - | 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); -} +static AFB_aliasdir aliasdir[MAX_ALIAS]; +static int aliascount=0; /*---------------------------------------------------------- | timeout signalQuit | +--------------------------------------------------------- */ -void signalFail (int signum) { +void signalQuit (int signum) { sigset_t sigset; @@ -131,9 +146,9 @@ void signalFail (int signum) { 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); } @@ -158,7 +173,7 @@ void signalFail (int 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 /*---------------------------------------------------------- @@ -221,7 +236,6 @@ static void closeSession (AFB_session *session) { } - /*---------------------------------------------------------- | listenLoop | Main listening HTTP loop @@ -229,7 +243,7 @@ static void closeSession (AFB_session *session) { 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; } @@ -240,46 +254,49 @@ static void listenLoop (AFB_session *session) { 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)); - - // GNU CLI getopts nterface. - struct option ggcOption; - struct option *gnuOptions; + memset(&cliconfig,0,sizeof(cliconfig)); + memset(&aliasdir ,0,sizeof(aliasdir)); + cliconfig.aliasdir = aliasdir; // ------------------ 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; @@ -301,32 +318,60 @@ int main(int argc, char *argv[]) { if (optarg == 0) goto needValueForOption; if (!sscanf (optarg, "%d", &cliconfig.httpdPort)) goto notAnInteger; break; + + case SET_APITIMEOUT: + if (optarg == 0) goto needValueForOption; + 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 (verbose) fprintf(stderr, "Forcing Rootdir=%s\n",cliconfig.rootdir); break; case SET_ROOT_BASE: if (optarg == 0) goto needValueForOption; cliconfig.rootbase = optarg; + if (verbose) fprintf(stderr, "Forcing Rootbase=%s\n",cliconfig.rootbase); break; case SET_ROOT_API: if (optarg == 0) goto needValueForOption; cliconfig.rootapi = optarg; + if (verbose) fprintf(stderr, "Forcing Rootapi=%s\n",cliconfig.rootapi); + break; + + case SET_ROOT_ALIAS: + if (optarg == 0) goto needValueForOption; + if (aliascount < MAX_ALIAS) { + aliasdir[aliascount].url = strsep(&optarg,":"); + 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:%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: @@ -360,9 +405,9 @@ int main(int argc, char *argv[]) { 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: @@ -390,37 +435,87 @@ int main(int argc, char *argv[]) { 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) { @@ -448,11 +543,11 @@ int main(int argc, char *argv[]) { // ------------------ 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); @@ -462,24 +557,24 @@ int main(int argc, char *argv[]) { // 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; @@ -552,60 +647,50 @@ int main(int argc, char *argv[]) { 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() */