/*******************************************************************************
@purpose: log each error or just system message in server work
@input: message to be written in file
*******************************************************************************/
void logError(char *Caption){
char sendBuff[BUFF_LEN] = {0};
if (fileLogError == 0)
{
if (initErrorLog(NULL) == 0)
{
printf("There was an error, but we can't write it to log:\n%s\n", Caption);
return;
}
}
//FILE *fileLogError = fopen("log/error.log", "a+");
fseek(fileLogError, 0, SEEK_END);
memset(sendBuff, 0, sizeof(sendBuff));
snprintf(sendBuff, sizeof(sendBuff), "[%s] \"%s\"\n", getTimeS(), Caption);
fwrite (sendBuff , sizeof(char), strlen(sendBuff), fileLogError);
//fclose(fileLogError);
}
/* Contructor */
Engine::Engine(){
initialize();
initializeGL();
//Start the timer
timer.start();
state.lastTicks = timer.getTicks();
//Initializes the error log
initErrorLog();
//Initializes the engine state
state.mouseFocus = true;
state.keyboardFocus = true;
state.running = true;
state.focus = true;
state.done = false;
loadResources();
mouse.setCustom(true);
}
int
main(int argc, char **argv)
{
int oldpid, oldumask, fd, parentPid;
char *pt, *errorLogFile, **opts;
/* make sure at least world write access is disabled */
if (((oldumask = umask(022)) & 002) == 002)
(void)umask(oldumask);
/* give /dev/null as stdin */
if ((fd = open("/dev/null", O_RDONLY)) > 0) {
dup2(fd, 0);
close(fd);
}
if (fcntl(1, F_GETFD) < 0)
dup2(0, 1);
if (fcntl(2, F_GETFD) < 0)
dup2(0, 2);
#ifndef nowMonotonic
nowMonotonic = sysconf(_SC_MONOTONIC_CLOCK) >= 200112L;
#endif
#if KDM_LIBEXEC_STRIP == -1
prog = strrchr(argv[0], '/');
progname = prog = prog ? prog + 1 : argv[0];
#else
if (argv[0][0] == '/') {
if (!strDup(&progpath, argv[0]))
panic("Out of memory");
} else
# ifdef __linux__
{
/* note that this will resolve symlinks ... */
int len;
char fullpath[PATH_MAX];
if ((len = readlink("/proc/self/exe", fullpath, sizeof(fullpath))) < 0)
panic("Invoke with full path specification or mount /proc");
if (!strNDup(&progpath, fullpath, len))
panic("Out of memory");
}
# else
# if 0
panic("Must be invoked with full path specification");
# else
{
char directory[PATH_MAX+1];
if (!getcwd(directory, sizeof(directory)))
panic("Can't find myself (getcwd failed)");
if (strchr(argv[0], '/')) {
strApp(&progpath, directory, "/", argv[0], (char *)0);
} else {
int len;
char *path, *pathe, *name, *thenam, nambuf[PATH_MAX+1];
if (!(path = getenv("PATH")))
panic("Can't find myself (no PATH)");
len = strlen(argv[0]);
name = nambuf + PATH_MAX - len;
memcpy(name, argv[0], len + 1);
*--name = '/';
do {
if (!(pathe = strchr(path, ':')))
pathe = path + strlen(path);
len = pathe - path;
if (!len || (len == 1 && *path == '.')) {
len = strlen(directory);
path = directory;
}
thenam = name - len;
if (thenam >= nambuf) {
memcpy(thenam, path, len);
if (!access(thenam, X_OK))
goto found;
}
path = pathe;
} while (*path++ != '\0');
panic("Can't find myself (not in PATH)");
found:
if (!strDup(&progpath, thenam))
panic("Out of memory");
}
}
# endif
# endif
prog = strrchr(progpath, '/') + 1;
# if KDM_LIBEXEC_STRIP
for (progname = pt = prog, fd = 0; fd < KDM_LIBEXEC_STRIP + 1; fd++) {
for (;;) {
pt--;
if (pt == progpath)
panic("Executable is obviously located outside BINDIR");
if (*pt == '/')
break;
}
}
*pt = 0;
# endif
#endif
#if !defined(HAVE_SETPROCTITLE) && !defined(NOXDMTITLE)
title = argv[0];
titleLen = (argv[argc - 1] + strlen(argv[argc - 1])) - title;
#endif
/*
* Parse command line options
*/
parentPid = getppid();
errorLogFile = 0;
if (!(opts = Malloc(2 * sizeof(char *))))
return 1;
opts[0] = (char *)"";
opts[1] = 0;
while (*++argv) {
if (**argv != '-')
break;
pt = *argv + 1;
if (*pt == '-')
pt++;
if (!strcmp(pt, "help") || !strcmp(pt, "h")) {
printf("Usage: %s [options] [tty]\n"
" -daemon\t - Daemonize even when started by init\n"
" -nodaemon\t - Do not daemonize even when started from command line\n"
" -config <file> - Use alternative master configuration file\n"
" -xrm <res>\t - Override frontend-specific resource\n"
" -error <file>\t - Use alternative log file\n"
" -debug <num>\t - Debug option bitfield:\n"
"\t\t\t0x1 - core log\n"
"\t\t\t0x2 - config reader log\n"
"\t\t\t0x4 - greeter log\n"
"\t\t\t0x8 - IPC log\n"
"\t\t\t0x10 - session sub-daemon post-fork delay\n"
"\t\t\t0x20 - config reader post-start delay\n"
"\t\t\t0x40 - greeter post-start delay\n"
"\t\t\t0x80 - do not use syslog\n"
"\t\t\t0x100 - core Xauth log\n"
"\t\t\t0x200 - debug greeter theming\n"
"\t\t\t0x400 - valgrind config reader and greeter\n"
"\t\t\t0x800 - strace config reader and greeter\n"
, prog);
exit(0);
} else if (!strcmp(pt, "daemon")) {
parentPid = 0;
} else if (!strcmp(pt, "nodaemon")) {
parentPid = 1;
} else if (argv[1] && !strcmp(pt, "config")) {
strDup(opts, *++argv);
} else if (argv[1] && !strcmp(pt, "xrm")) {
opts = addStrArr(opts, *++argv, -1);
} else if (argv[1] && !strcmp(pt, "debug")) {
sscanf(*++argv, "%i", &debugLevel);
} else if (argv[1] && (!strcmp(pt, "error") || !strcmp(pt, "logfile"))) {
errorLogFile = *++argv;
} else {
fprintf(stderr, "\"%s\" is an unknown option or is missing a parameter\n", *argv);
exit(1);
}
}
/*
* Only allow root to run in non-debug mode to avoid problems
*/
if (!debugLevel && getuid()) {
fprintf(stderr, "Only root wants to run %s\n", prog);
exit(1);
}
initErrorLog(errorLogFile);
if (parentPid != 1)
becomeDaemon();
/*
* Step 1 - load configuration parameters
*/
if (!initResources(opts) || scanConfigs(False) < 0)
logPanic("Config reader failed. Aborting ...\n");
/* SUPPRESS 560 */
if ((oldpid = storePid())) {
if (oldpid == -1)
logError("Cannot create/lock pid file %s\n", pidFile);
else
logError("Cannot lock pid file %s, another xdm is running (pid %d)\n",
pidFile, oldpid);
exit(1);
}
#ifdef NEED_ENTROPY
addOtherEntropy();
#endif
/*
* We used to clean up old authorization files here. As authDir is
* supposed to be /var/run/xauth or /tmp, we needn't to care for it.
*/
#ifdef XDMCP
initXdmcp();
#else
debug("not compiled for XDMCP\n");
#endif
if (pipe(signalFds))
logPanic("Unable to create signal notification pipe.\n");
registerInput(signalFds[0]);
registerCloseOnFork(signalFds[0]);
registerCloseOnFork(signalFds[1]);
(void)Signal(SIGTERM, sigHandler);
(void)Signal(SIGINT, sigHandler);
(void)Signal(SIGHUP, sigHandler);
(void)Signal(SIGCHLD, sigHandler);
(void)Signal(SIGUSR1, sigHandler);
/*
* Step 2 - run a sub-daemon for each entry
*/
openCtrl(0);
#ifdef XDMCP
updateListenSockets();
#endif
mainLoop();
closeCtrl(0);
if (sdRec.how) {
int pid;
commitBootOption();
if (Fork(&pid) <= 0) {
char *cmd = sdRec.how == SHUT_HALT ? cmdHalt : cmdReboot;
execute(parseArgs((char **)0, cmd), (char **)0);
logError("Failed to execute shutdown command %\"s\n", cmd);
exit(1);
} else {
sigset_t mask;
sigemptyset(&mask);
sigaddset(&mask, SIGCHLD);
sigaddset(&mask, SIGHUP);
sigsuspend(&mask);
}
}
debug("nothing left to do, exiting\n");
return 0;
}
int InitServer()
{
char ErrBuff[256] = {0};
FILE* fileLogTmp;
//############## CONFIGURATE SERVER ###############
// Read parameters from 'conf/httpd.conf' to list
List *lstConf = initList();
if (0 != getParamsFromFile("conf/httpd.conf", lstConf, '='))
{
puts("Could not read configuration file...");
return 1;
}
// Apply parameters from list (or set to default, if they are absent)
int port = getParamInt(lstConf, "portListen", 80);
int maxConn = getParamInt(lstConf, "maxConnection", 100);
char *logAccessPath = getParamS(lstConf, "logAccess", "log/access.log");
char *logErrorPath = getParamS(lstConf, "logError", "log/error.log");
defaultPage = getParamS(lstConf, "defaultPage", "/index.htm");
rootFolder = getParamS(lstConf, "rootFolder", "www/");
char *interface = getParamS(lstConf, "interfaceToListen", "");
// Open new log files
if ( initErrorLog(logErrorPath) == 0 )
{
return 1;
}
if ( !( fileLogAccess = fopen(logAccessPath, "a") ) )
{
snprintf(ErrBuff, sizeof(ErrBuff), "Could not open '%s'!", logAccessPath);
puts(ErrBuff);
logError(ErrBuff);
return 1;
}
// Check if default page exists
char *fullPath = malloc(strlen(rootFolder)+strlen(defaultPage)+1);
strcpy(fullPath, rootFolder);
strcat(fullPath, defaultPage);
if (fileExists(fullPath) != 0)
{
snprintf(ErrBuff, sizeof(ErrBuff),
"Could not find default page following next path: '%s'!",
fullPath);
puts(ErrBuff);
logError(ErrBuff);
}
// Free data with configuration from memory
removeAll(lstConf);
//############# START SERVER ###############
struct sockaddr_in saddr; // used for getting IP _
socklen_t len = sizeof( saddr );// of incomming connection _
char IP_Buff[INET_ADDRSTRLEN]; // defined in <netinet/in.h> .
int listenSocket = 0, connSocket = 0;
pid_t child_pid;
// Try to start server
listenSocket = startServer(interface, port, maxConn);
if (listenSocket > 0)
{
#ifndef __DEBUG_MODE__
logError("#Server started Successfully!");
#endif
printf("\n\nServer started Successfully!\n\n");
//############# MAIN PROCESSING LOOP ###############
while(1)
{
// Wait few second, if there's no connections - continue
if (wait4Socket(listenSocket, ACCEPT_TIMEOUT) > 0)
{
connSocket = accept( listenSocket, ( struct sockaddr* )&saddr, &len );
if ( listenSocket < 0 ) {
logError("Accept Error...");
break;
}
child_pid = fork ();
if (child_pid == 0) //#### child thread ####
{
#ifndef __DEBUG_MODE__
close (STDIN_FILENO); //child don't need to print anything,
close (STDOUT_FILENO); // so close input/output streams
#endif
close (listenSocket); //close a child-copy of listening port
if ( inet_ntop( AF_INET, &saddr.sin_addr, IP_Buff, INET_ADDRSTRLEN ) == NULL )
{
logError("Can't convert IP addr");
close(connSocket);
exit(1);
}
procConn(IP_Buff, connSocket);
exit (0); // close child process
}
else if (child_pid > 0) // #### parent thread ####
{
close (connSocket);
#ifdef __DEBUG_MODE__
if (getComm() == 0)
{
break;
}
#endif
}
else
logError("Can't fork"); // if can't create child
}
}
close(listenSocket); // close parent listenSocket
#ifndef __DEBUG_MODE__
logError("#Server closed Successfully!");
#endif
printf("\n\nServer closed Successfully!\n\n");
return 0;
}
logError("#Server was not started!");
printf("\n\nServer was not started! See error.log to get more information!\n\n");
return 1;
}
