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vlmcsd/vlmcsd.c

1781 lines
42 KiB
C

#ifndef CONFIG
#define CONFIG "config.h"
#endif // CONFIG
#include CONFIG
#if defined(USE_MSRPC) && !defined(_WIN32) && !defined(__CYGWIN__)
#error Microsoft RPC is only available on Windows and Cygwin
#endif
#if defined(USE_MSRPC) && defined(SIMPLE_SOCKETS)
#error You can only define either USE_MSRPC or SIMPLE_SOCKETS but not both
#endif
#if defined(NO_SOCKETS) && defined(USE_MSRPC)
#error Cannot use inetd mode with Microsoft RPC
#endif
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <stdint.h>
#ifndef _WIN32
#include <pwd.h>
#include <grp.h>
#include <sys/types.h>
#if !defined(NO_LIMIT) && !__minix__
#include <sys/ipc.h>
#if !__ANDROID__
#include <sys/shm.h>
#else // __ANDROID__
#include <sys/syscall.h>
#endif // __ANDROID__
#endif // !defined(NO_LIMIT) && !__minix__
#include <sys/wait.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/stat.h>
#ifndef NO_LIMIT
#include <semaphore.h>
#endif // NO_LIMIT
#endif // !_WIN32
#if __APPLE__
#include <mach-o/dyld.h>
#endif // __APPLE__
#if __linux__ && defined(USE_AUXV)
#include <sys/auxv.h>
#endif
#if __FreeBSD__
#include <sys/sysctl.h>
#endif
#include "vlmcsd.h"
#include "endian.h"
#include "shared_globals.h"
#include "output.h"
#ifndef USE_MSRPC
#include "network.h"
#else // USE_MSRPC
#include "msrpc-server.h"
#endif // USE_MSRPC
#include "ntservice.h"
#include "helpers.h"
#ifdef ENABLE_DEPRECATED_OPTIONS
static const char* const optstring = "N:B:m:t:w:0:3:H:A:R:u:g:L:p:i:P:l:r:U:W:C:F:SsfeDd46VvIqkZ";
#else // !ENABLE_DEPRECATED_OPTIONS
static const char* const optstring = "N:B:m:t:w:0:3:H:A:R:u:g:L:p:i:P:l:r:U:W:C:F:SseDdVvqkZ";
#endif // !ENABLE_DEPRECATED_OPTIONS
#if !defined(NO_SOCKETS) && !defined(USE_MSRPC) && !defined(SIMPLE_SOCKETS)
static uint_fast8_t maxsockets = 0;
#ifdef ENABLE_DEPRECATED_OPTIONS
static int_fast8_t v6required = 0;
static int_fast8_t v4required = 0;
#endif // ENABLE_DEPRECATED_OPTIONS
#endif // !defined(NO_SOCKETS) && !defined(USE_MSRPC) && !defined(SIMPLE_SOCKETS)
#ifdef _NTSERVICE
static int_fast8_t installService = 0;
static const char *restrict ServiceUser = NULL;
static const char *restrict ServicePassword = "";
#endif
#ifndef NO_PID_FILE
static const char *fn_pid = NULL;
#endif
#ifndef NO_INI_FILE
#ifdef INI_FILE
static const char *fn_ini = INI_FILE;
#else // !INI_FILE
static const char *fn_ini = NULL;
#endif // !INI_FILE
static const char* IniFileErrorMessage = "";
char* IniFileErrorBuffer = NULL;
#define INIFILE_ERROR_BUFFERSIZE 256
static IniFileParameter_t IniFileParameterList[] =
{
# ifndef NO_RANDOM_EPID
{ "RandomizationLevel", INI_PARAM_RANDOMIZATION_LEVEL },
{ "LCID", INI_PARAM_LCID },
# endif // NO_RANDOM_EPID
# if !defined(NO_SOCKETS) && (defined(USE_MSRPC) || defined(SIMPLE_SOCKETS))
{ "Port", INI_PARAM_PORT },
# endif // defined(USE_MSRPC) || defined(SIMPLE_SOCKETS)
# if !defined(NO_SOCKETS) && !defined(USE_MSRPC)
# ifndef SIMPLE_SOCKETS
{ "Listen", INI_PARAM_LISTEN },
# endif // SIMPLE_SOCKETS
# if HAVE_FREEBIND
{ "FreeBind", INI_PARAM_FREEBIND },
# endif // HAVE_FREEBIND
# if !defined(NO_LIMIT) && !__minix__
{ "MaxWorkers", INI_PARAM_MAX_WORKERS },
# endif // !defined(NO_LIMIT) && !__minix__
# endif // !defined(NO_SOCKETS) && !defined(USE_MSRPC)
# if !defined(NO_TIMEOUT) && !__minix__ && !defined(USE_MSRPC) & !defined(USE_MSRPC)
{ "ConnectionTimeout", INI_PARAM_CONNECTION_TIMEOUT },
# endif // !defined(NO_TIMEOUT) && !__minix__ && !defined(USE_MSRPC) & !defined(USE_MSRPC)
# ifndef USE_MSRPC
{ "DisconnectClientsImmediately", INI_PARAM_DISCONNECT_IMMEDIATELY },
{ "UseNDR64", INI_PARAM_RPC_NDR64 },
{ "UseBTFN", INI_PARAM_RPC_BTFN },
# endif // USE_MSRPC
# ifndef NO_PID_FILE
{ "PIDFile", INI_PARAM_PID_FILE },
# endif // NO_PID_FILE
# ifndef NO_LOG
{ "LogFile", INI_PARAM_LOG_FILE },
# ifndef NO_VERBOSE_LOG
{ "LogVerbose", INI_PARAM_LOG_VERBOSE },
# endif // NO_VERBOSE_LOG
# endif // NO_LOG
# ifndef NO_CUSTOM_INTERVALS
{"ActivationInterval", INI_PARAM_ACTIVATION_INTERVAL },
{"RenewalInterval", INI_PARAM_RENEWAL_INTERVAL },
# endif // NO_CUSTOM_INTERVALS
# if !defined(NO_USER_SWITCH) && !defined(_WIN32)
{ "user", INI_PARAM_UID },
{ "group", INI_PARAM_GID},
# endif // !defined(NO_USER_SWITCH) && !defined(_WIN32)
};
#endif // NO_INI_FILE
#if !defined(NO_LIMIT) && !defined (NO_SOCKETS) && !__minix__
#if !defined(USE_THREADS) && !defined(CYGWIN) && !defined(USE_MSRPC)
static int shmid = -1;
#endif
#if __ANDROID__ && !defined(USE_THREADS) // Bionic does not wrap these syscalls (willingly because Google fears, developers don't know how to use it)
#ifdef __NR_shmget
static int shmget(key_t key, size_t size, int shmflg)
{
return syscall(__NR_shmget, key, size, shmflg);
}
#endif // __NR_shmget
#ifdef __NR_shmat
static void *shmat(int shmid, const void *shmaddr, int shmflg)
{
return (void *)syscall(__NR_shmat, shmid, shmaddr, shmflg);
}
#endif // __NR_shmat
#ifdef __NR_shmdt
static int shmdt(const void *shmaddr)
{
return syscall(__NR_shmdt, shmaddr);
}
#endif // __NR_shmdt
#ifdef __NR_shmctl
static int shmctl(int shmid, int cmd, /*struct shmid_ds*/void *buf)
{
return syscall(__NR_shmctl, shmid, cmd, buf);
}
#endif // __NR_shmctl
#endif // __ANDROID__ && !defined(USE_THREADS)
#endif // !defined(NO_LIMIT) && !defined (NO_SOCKETS) && !__minix__
#ifndef NO_USER_SWITCH
#ifndef _WIN32
static const char *uname = NULL, *gname = NULL;
static gid_t gid = INVALID_GID;
static uid_t uid = INVALID_UID;
// Get Numeric id of user/group
static char GetNumericId(gid_t *restrict id, const char *const c)
{
char* endptr;
gid_t temp;
temp = (gid_t)strtoll(c, &endptr, 10);
if (!*endptr) *id = temp;
if (*endptr || temp == (gid_t)-1) errno = EINVAL;
return *endptr || *id == (gid_t)-1;
}
// Get group id from option argument
static char GetGid()
{
struct group *g;
if ((g = getgrnam(optarg)))
gid = g->gr_gid;
else
return GetNumericId(&gid, optarg);
return 0;
}
// Get user id from option argument
static char GetUid()
{
struct passwd *u;
////PORTABILITY: Assumes uid_t and gid_t are of same size (shouldn't be a problem)
if ((u = getpwnam(optarg)))
uid = u->pw_uid;
else
return GetNumericId((gid_t*)&uid, optarg);
return 0;
}
#endif // _WIN32
#endif //NO_USER_SWITCH
#ifdef NO_HELP
static __noreturn void usage()
{
printerrorf("Incorrect parameters\n\n");
exit(!0);
}
#else // HELP
static __noreturn void usage()
{
printerrorf("vlmcsd %s\n"
"\nUsage:\n"
" %s [ options ]\n\n"
"Where:\n"
#ifndef NO_CL_PIDS
" -w <ePID> always use <ePID> for Windows\n"
" -0 <ePID> always use <ePID> for Office2010\n"
" -3 <ePID> always use <ePID> for Office2013\n"
" -H <HwId> always use hardware Id <HwId>\n"
#endif // NO_CL_PIDS
#if !defined(_WIN32) && !defined(NO_USER_SWITCH)
" -u <user> set uid to <user>\n"
" -g <group> set gid to <group>\n"
#endif // !defined(_WIN32) && !defined(NO_USER_SWITCH)
#ifndef NO_RANDOM_EPID
" -r 0|1|2\t\tset ePID randomization level (default 1)\n"
" -C <LCID>\t\tuse fixed <LCID> in random ePIDs\n"
#endif // NO_RANDOM_EPID
#ifndef NO_SOCKETS
#if !defined(USE_MSRPC) && !defined(SIMPLE_SOCKETS)
" -L <address>[:<port>]\tlisten on IP address <address> with optional <port>\n"
" -P <port>\t\tset TCP port <port> for subsequent -L statements (default 1688)\n"
#if HAVE_FREEBIND
" -F0, -F1\t\tdisable/enable binding to foreign IP addresses\n"
#endif // HAVE_FREEBIND
#else // defined(USE_MSRPC) || defined(SIMPLE_SOCKETS)
" -P <port>\t\tuse TCP port <port> (default 1688)\n"
#endif // defined(USE_MSRPC) || defined(SIMPLE_SOCKETS)
#if !defined(NO_LIMIT) && !__minix__
" -m <clients>\t\tHandle max. <clients> simultaneously (default no limit)\n"
#endif // !defined(NO_LIMIT) && !__minix__
#ifdef _NTSERVICE
" -s install vlmcsd as an NT service. Ignores -e"
#ifndef _WIN32
", -f and -D"
#endif // _WIN32
"\n"
" -S remove vlmcsd service. Ignores all other options\n"
" -U <username> run NT service as <username>. Must be used with -s\n"
" -W <password> optional <password> for -U. Must be used with -s\n"
#endif // _NTSERVICE
#ifndef NO_LOG
" -e log to stdout\n"
#endif // NO_LOG
#ifndef _WIN32 //
" -D run in foreground\n"
#else // _WIN32
" -D does nothing. Provided for compatibility with POSIX versions only\n"
#endif // _WIN32
#endif // NO_SOCKETS
#ifndef USE_MSRPC
#if !defined(NO_TIMEOUT) && !__minix__
" -t <seconds>\t\tdisconnect clients after <seconds> of inactivity (default 30)\n"
#endif // !defined(NO_TIMEOUT) && !__minix__
" -d\t\t\tdisconnect clients after each request\n"
" -k\t\t\tdon't disconnect clients after each request (default)\n"
" -N0, -N1\t\tdisable/enable NDR64\n"
" -B0, -B1\t\tdisable/enable bind time feature negotiation\n"
#endif // USE_MSRPC
#ifndef NO_PID_FILE
" -p <file> write pid to <file>\n"
#endif // NO_PID_FILE
#ifndef NO_INI_FILE
" -i <file>\t\tuse config file <file>\n"
#endif // NO_INI_FILE
#ifndef NO_CUSTOM_INTERVALS
" -R <interval> renew activation every <interval> (default 1w)\n"
" -A <interval> retry activation every <interval> (default 2h)\n"
#endif // NO_CUSTOM_INTERVALS
#ifndef NO_LOG
#ifndef _WIN32
" -l syslog log to syslog\n"
#endif // _WIN32
" -l <file> log to <file>\n"
#ifndef NO_VERBOSE_LOG
" -v\t\t\tlog verbose\n"
" -q\t\t\tdon't log verbose (default)\n"
#endif // NO_VERBOSE_LOG
#endif // NO_LOG
#ifndef NO_VERSION_INFORMATION
" -V display version information and exit\n"
#endif // NO_VERSION_INFORMATION
,
Version, global_argv[0]);
exit(!0);
}
#endif // HELP
#ifndef NO_CUSTOM_INTERVALS
// Convert time span strings (e.g. "2h", "5w") to minutes
__pure static DWORD timeSpanString2Minutes(const char *const restrict argument)
{
char *unitId;
long long val = strtoll(argument, &unitId, 10);
switch(toupper((int)*unitId))
{
case 0:
case 'M':
break;
case 'H':
val *= 60;
break;
case 'D':
val *= 60 * 24;
break;
case 'W':
val *= 60 * 24 * 7;
break;
case 'S':
val /= 60;
break;
default:
return 0;
}
if (val < 1) val = 1;
if (val > UINT_MAX) val = UINT_MAX;
return (DWORD)val;
}
#ifndef NO_INI_FILE
__pure static BOOL getTimeSpanFromIniFile(DWORD* result, const char *const restrict argument)
{
DWORD val = timeSpanString2Minutes(argument);
if (!val)
{
IniFileErrorMessage = "Incorrect time span.";
return FALSE;
}
*result = val;
return TRUE;
}
#endif // NO_INI_FILE
__pure static DWORD getTimeSpanFromCommandLine(const char *const restrict optarg, const char optchar)
{
long long val = timeSpanString2Minutes(optarg);
if (!val)
{
printerrorf("Fatal: No valid time span specified in option -%c.\n", optchar);
exit (!0);
}
return (DWORD)val;
}
#endif // NO_CUSTOM_INTERVALS
#ifndef NO_INI_FILE
static void ignoreIniFileParameter(uint_fast8_t iniFileParameterId)
{
uint_fast8_t i;
for (i = 0; i < _countof(IniFileParameterList); i++)
{
if (IniFileParameterList[i].Id != iniFileParameterId) continue;
IniFileParameterList[i].Id = 0;
break;
}
}
#else // NO_INI_FILE
#define ignoreIniFileParameter(x)
#endif // NO_INI_FILE
#ifndef NO_INI_FILE
static BOOL getIniFileArgumentBool(int_fast8_t *result, const char *const argument)
{
IniFileErrorMessage = "Argument must be true/on/yes/1 or false/off/no/0";
return getArgumentBool(result, argument);
}
static BOOL getIniFileArgumentInt(unsigned int *result, const char *const argument, const unsigned int min, const unsigned int max)
{
unsigned int tempResult;
if (!stringToInt(argument, min, max, &tempResult))
{
snprintf(IniFileErrorBuffer, INIFILE_ERROR_BUFFERSIZE, "Must be integer between %u and %u", min, max);
IniFileErrorMessage = IniFileErrorBuffer;
return FALSE;
}
*result = tempResult;
return TRUE;
}
static char* allocateStringArgument(const char *const argument)
{
char* result = (char*)vlmcsd_malloc(strlen(argument) + 1);
strcpy(result, argument);
return result;
}
static BOOL setIniFileParameter(uint_fast8_t id, const char *const iniarg)
{
unsigned int result;
BOOL success = TRUE;
switch(id)
{
# if !defined(NO_USER_SWITCH) && !defined(_WIN32)
case INI_PARAM_GID:
{
struct group *g;
IniFileErrorMessage = "Invalid group id or name";
if (!(gname = allocateStringArgument(iniarg))) return FALSE;
if ((g = getgrnam(iniarg)))
gid = g->gr_gid;
else
success = !GetNumericId(&gid, iniarg);
break;
}
case INI_PARAM_UID:
{
struct passwd *p;
IniFileErrorMessage = "Invalid user id or name";
if (!(uname = allocateStringArgument(iniarg))) return FALSE;
if ((p = getpwnam(iniarg)))
uid = p->pw_uid;
else
success = !GetNumericId(&uid, iniarg);
break;
}
# endif // !defined(NO_USER_SWITCH) && !defined(_WIN32)
# ifndef NO_RANDOM_EPID
case INI_PARAM_LCID:
success = getIniFileArgumentInt(&result, iniarg, 0, 32767);
if (success) Lcid = (uint16_t)result;
break;
case INI_PARAM_RANDOMIZATION_LEVEL:
success = getIniFileArgumentInt(&result, iniarg, 0, 2);
if (success) RandomizationLevel = (int_fast8_t)result;
break;
# endif // NO_RANDOM_EPID
# if (defined(USE_MSRPC) || defined(SIMPLE_SOCKETS)) && !defined(NO_SOCKETS)
case INI_PARAM_PORT:
defaultport = allocateStringArgument(iniarg);
break;
# endif // (defined(USE_MSRPC) || defined(SIMPLE_SOCKETS)) && !defined(NO_SOCKETS
# if !defined(NO_SOCKETS) && !defined(USE_MSRPC) && !defined(SIMPLE_SOCKETS)
case INI_PARAM_LISTEN:
maxsockets++;
return TRUE;
# endif // !defined(NO_SOCKETS) && !defined(USE_MSRPC) && !defined(SIMPLE_SOCKETS)
# if !defined(NO_LIMIT) && !defined(NO_SOCKETS) && !__minix__
case INI_PARAM_MAX_WORKERS:
# ifdef USE_MSRPC
success = getIniFileArgumentInt(&MaxTasks, iniarg, 1, RPC_C_LISTEN_MAX_CALLS_DEFAULT);
# else // !USE_MSRPC
success = getIniFileArgumentInt(&MaxTasks, iniarg, 1, SEM_VALUE_MAX);
# endif // !USE_MSRPC
break;
# endif // !defined(NO_LIMIT) && !defined(NO_SOCKETS) && !__minix__
# ifndef NO_PID_FILE
case INI_PARAM_PID_FILE:
fn_pid = allocateStringArgument(iniarg);
break;
# endif // NO_PID_FILE
# ifndef NO_LOG
case INI_PARAM_LOG_FILE:
fn_log = allocateStringArgument(iniarg);
break;
# ifndef NO_VERBOSE_LOG
case INI_PARAM_LOG_VERBOSE:
success = getIniFileArgumentBool(&logverbose, iniarg);
break;
# endif // NO_VERBOSE_LOG
# endif // NO_LOG
# ifndef NO_CUSTOM_INTERVALS
case INI_PARAM_ACTIVATION_INTERVAL:
success = getTimeSpanFromIniFile(&VLActivationInterval, iniarg);
break;
case INI_PARAM_RENEWAL_INTERVAL:
success = getTimeSpanFromIniFile(&VLRenewalInterval, iniarg);
break;
# endif // NO_CUSTOM_INTERVALS
# ifndef USE_MSRPC
# if !defined(NO_TIMEOUT) && !__minix__
case INI_PARAM_CONNECTION_TIMEOUT:
success = getIniFileArgumentInt(&result, iniarg, 1, 600);
if (success) ServerTimeout = (DWORD)result;
break;
# endif // !defined(NO_TIMEOUT) && !__minix__
case INI_PARAM_DISCONNECT_IMMEDIATELY:
success = getIniFileArgumentBool(&DisconnectImmediately, iniarg);
break;
case INI_PARAM_RPC_NDR64:
success = getIniFileArgumentBool(&UseRpcNDR64, iniarg);
break;
case INI_PARAM_RPC_BTFN:
success = getIniFileArgumentBool(&UseRpcBTFN, iniarg);
break;
# endif // USE_MSRPC
# if HAVE_FREEBIND
case INI_PARAM_FREEBIND:
success = getIniFileArgumentBool(&freebind, iniarg);
break;
# endif // HAVE_FREEBIND
default:
return FALSE;
}
return success;
}
static __pure int isControlCharOrSlash(const char c)
{
if ((unsigned char)c < '!') return !0;
if (c == '/') return !0;
return 0;
}
static void iniFileLineNextWord(const char **s)
{
while ( **s && isspace((int)**s) ) (*s)++;
}
static BOOL setHwIdFromIniFileLine(const char **s, const ProdListIndex_t index)
{
iniFileLineNextWord(s);
if (**s == '/')
{
if (KmsResponseParameters[index].HwId) return TRUE;
BYTE* HwId = (BYTE*)vlmcsd_malloc(sizeof(((RESPONSE_V6 *)0)->HwId));
hex2bin(HwId, *s + 1, sizeof(((RESPONSE_V6 *)0)->HwId));
KmsResponseParameters[index].HwId = HwId;
}
return TRUE;
}
static BOOL checkGuidInIniFileLine(const char **s, ProdListIndex_t *const index)
{
GUID AppGuid;
if (!string2Uuid(*s, &AppGuid)) return FALSE;
(*s) += GUID_STRING_LENGTH;
getProductNameHE(&AppGuid, AppList, index);
if (*index > getAppListSize() - 2)
{
IniFileErrorMessage = "Unknown App Guid.";
return FALSE;
}
iniFileLineNextWord(s);
if ( *(*s)++ != '=' ) return FALSE;
return TRUE;
}
static BOOL setEpidFromIniFileLine(const char **s, const ProdListIndex_t index)
{
iniFileLineNextWord(s);
const char *savedPosition = *s;
uint_fast16_t i;
for (i = 0; !isControlCharOrSlash(**s); i++)
{
if (utf8_to_ucs2_char((const unsigned char*)*s, (const unsigned char**)s) == (WCHAR)~0)
{
return FALSE;
}
}
if (i < 1 || i >= PID_BUFFER_SIZE) return FALSE;
if (KmsResponseParameters[index].Epid) return TRUE;
size_t size = *s - savedPosition + 1;
char* epidbuffer = (char*)vlmcsd_malloc(size);
memcpy(epidbuffer, savedPosition, size - 1);
epidbuffer[size - 1] = 0;
KmsResponseParameters[index].Epid = epidbuffer;
#ifndef NO_LOG
KmsResponseParameters[index].EpidSource = fn_ini;
#endif //NO_LOG
return TRUE;
}
static BOOL getIniFileArgument(const char **s)
{
while (!isspace((int)**s) && **s != '=' && **s) (*s)++;
iniFileLineNextWord(s);
if (*((*s)++) != '=')
{
IniFileErrorMessage = "'=' required after keyword.";
return FALSE;
}
iniFileLineNextWord(s);
if (!**s)
{
IniFileErrorMessage = "missing argument after '='.";
return FALSE;
}
return TRUE;
}
static BOOL handleIniFileParameter(const char *s)
{
uint_fast8_t i;
for (i = 0; i < _countof(IniFileParameterList); i++)
{
if (strncasecmp(IniFileParameterList[i].Name, s, strlen(IniFileParameterList[i].Name))) continue;
if (!IniFileParameterList[i].Id) return TRUE;
if (!getIniFileArgument(&s)) return FALSE;
return setIniFileParameter(IniFileParameterList[i].Id, s);
}
IniFileErrorMessage = "Unknown keyword.";
return FALSE;
}
#if !defined(NO_SOCKETS) && !defined(SIMPLE_SOCKETS) && !defined(USE_MSRPC)
static BOOL setupListeningSocketsFromIniFile(const char *s)
{
if (!maxsockets) return TRUE;
if (strncasecmp("Listen", s, 6)) return TRUE;
if (!getIniFileArgument(&s)) return TRUE;
snprintf(IniFileErrorBuffer, INIFILE_ERROR_BUFFERSIZE, "Cannot listen on %s.", s);
IniFileErrorMessage = IniFileErrorBuffer;
return addListeningSocket(s);
}
#endif // !defined(NO_SOCKETS) && !defined(SIMPLE_SOCKETS) && !defined(USE_MSRPC)
static BOOL readIniFile(const uint_fast8_t pass)
{
char line[256];
const char *s;
ProdListIndex_t appIndex;
unsigned int lineNumber;
uint_fast8_t lineParseError;
FILE *restrict f;
BOOL result = TRUE;
IniFileErrorBuffer = (char*)vlmcsd_malloc(INIFILE_ERROR_BUFFERSIZE);
if ( !(f = fopen(fn_ini, "r") )) return FALSE;
for (lineNumber = 1; (s = fgets(line, sizeof(line), f)); lineNumber++)
{
line[strlen(line) - 1] = 0;
iniFileLineNextWord(&s);
if (*s == ';' || *s == '#' || !*s) continue;
# ifndef NO_SOCKETS
if (pass == INI_FILE_PASS_1)
# endif // NO_SOCKETS
{
if (handleIniFileParameter(s)) continue;
lineParseError = !checkGuidInIniFileLine(&s, &appIndex) ||
!setEpidFromIniFileLine(&s, appIndex) ||
!setHwIdFromIniFileLine(&s, appIndex);
}
# if !defined(NO_SOCKETS) && !defined(SIMPLE_SOCKETS) && !defined(USE_MSRPC)
else if (pass == INI_FILE_PASS_2)
{
lineParseError = !setupListeningSocketsFromIniFile(s);
}
else
{
return FALSE;
}
# endif // !defined(NO_SOCKETS) && && !defined(SIMPLE_SOCKETS) && !defined(USE_MSRPC)
if (lineParseError)
{
printerrorf("Warning: %s line %u: \"%s\". %s\n", fn_ini, lineNumber, line, IniFileErrorMessage);
continue;
}
}
if (ferror(f)) result = FALSE;
free(IniFileErrorBuffer);
fclose(f);
# if !defined(NO_SOCKETS) && !defined(NO_LOG)
if (pass == INI_FILE_PASS_1 && !InetdMode && result)
{
# ifdef _NTSERVICE
if (!installService)
# endif // _NTSERVICE
logger("Read ini file %s\n", fn_ini);
}
# endif // !defined(NO_SOCKETS) && !defined(NO_LOG)
return result;
}
#endif // NO_INI_FILE
#if !defined(NO_SOCKETS)
#if !defined(_WIN32)
#if !defined(NO_SIGHUP)
static void exec_self(char** argv)
{
# if __linux__ && defined(USE_AUXV)
char *execname_ptr = (char*)getauxval(AT_EXECFN);
if (execname_ptr) execv(execname_ptr, argv);
# elif (__linux__ || __CYGWIN__) && !defined(NO_PROCFS)
execv(realpath("/proc/self/exe", NULL), argv);
# elif (__FreeBSD__) && !defined(NO_PROCFS)
int mib[4];
mib[0] = CTL_KERN;
mib[1] = KERN_PROC;
mib[2] = KERN_PROC_PATHNAME;
mib[3] = -1;
char path[PATH_MAX + 1];
size_t cb = sizeof(path);
if (!sysctl(mib, 4, path, &cb, NULL, 0)) execv(path, argv);
# elif (__DragonFly__) && !defined(NO_PROCFS)
execv(realpath("/proc/curproc/file", NULL), argv);
# elif __NetBSD__ && !defined(NO_PROCFS)
execv(realpath("/proc/curproc/exe", NULL), argv);
# elif __sun__
const char* exename = getexecname();
if (exename) execv(exename, argv);
# elif __APPLE__
char path[PATH_MAX + 1];
uint32_t size = sizeof(path);
if (_NSGetExecutablePath(path, &size) == 0) execv(path, argv);
# else
execvp(argv[0], argv);
# endif
}
static void HangupHandler(const int signal_unused)
{
int i;
int_fast8_t daemonize_protection = TRUE;
CARGV argv_in = multi_argv == NULL ? global_argv : multi_argv;
int argc_in = multi_argc == 0 ? global_argc : multi_argc;
const char** argv_out = (const char**)vlmcsd_malloc((argc_in + 2) * sizeof(char**));
for (i = 0; i < argc_in; i++)
{
if (!strcmp(argv_in[i], "-Z")) daemonize_protection = FALSE;
argv_out[i] = argv_in[i];
}
argv_out[argc_in] = argv_out[argc_in + 1] = NULL;
if (daemonize_protection) argv_out[argc_in] = (char*) "-Z";
exec_self((char**)argv_out);
# ifndef NO_LOG
logger("Fatal: Unable to restart on SIGHUP: %s\n", strerror(errno));
# endif
# ifndef NO_PID_FILE
if (fn_pid) unlink(fn_pid);
# endif // NO_PID_FILE
exit(errno);
}
#endif // NO_SIGHUP
static void terminationHandler(const int signal_unused)
{
cleanup();
exit(0);
}
#if defined(CHILD_HANDLER) || __minix__
static void childHandler(const int signal)
{
waitpid(-1, NULL, WNOHANG);
}
#endif // defined(CHILD_HANDLER) || __minix__
static int daemonizeAndSetSignalAction()
{
struct sigaction sa;
sigemptyset(&sa.sa_mask);
# ifndef NO_LOG
if ( !nodaemon) if (daemon(!0, logstdout))
# else // NO_LOG
if ( !nodaemon) if (daemon(!0, 0))
# endif // NO_LOG
{
printerrorf("Fatal: Could not daemonize to background.\n");
return(errno);
}
if (!InetdMode)
{
# ifndef USE_THREADS
# if defined(CHILD_HANDLER) || __minix__
sa.sa_handler = childHandler;
# else // !(defined(CHILD_HANDLER) || __minix__)
sa.sa_handler = SIG_IGN;
# endif // !(defined(CHILD_HANDLER) || __minix__)
sa.sa_flags = SA_NOCLDWAIT;
if (sigaction(SIGCHLD, &sa, NULL))
return(errno);
# endif // !USE_THREADS
sa.sa_handler = terminationHandler;
sa.sa_flags = 0;
sigaction(SIGINT, &sa, NULL);
sigaction(SIGTERM, &sa, NULL);
# ifndef NO_SIGHUP
sa.sa_handler = HangupHandler;
sa.sa_flags = SA_NODEFER;
sigaction(SIGHUP, &sa, NULL);
# endif // NO_SIGHUP
}
return 0;
}
#else // _WIN32
static BOOL terminationHandler(const DWORD fdwCtrlType)
{
// What a lame substitute for Unix signal handling
switch(fdwCtrlType)
{
case CTRL_C_EVENT:
case CTRL_CLOSE_EVENT:
case CTRL_BREAK_EVENT:
case CTRL_LOGOFF_EVENT:
case CTRL_SHUTDOWN_EVENT:
cleanup();
exit(0);
default:
return FALSE;
}
}
static DWORD daemonizeAndSetSignalAction()
{
if(!SetConsoleCtrlHandler( (PHANDLER_ROUTINE) terminationHandler, TRUE ))
{
#ifndef NO_LOG
DWORD rc = GetLastError();
logger("Warning: Could not register Windows signal handler: Error %u\n", rc);
#endif // NO_LOG
}
return ERROR_SUCCESS;
}
#endif // _WIN32
#endif // !defined(NO_SOCKETS)
// Workaround for Cygwin fork bug (only affects cygwin processes that are Windows services)
// Best is to compile for Cygwin with threads. fork() is slow and unreliable on Cygwin
#if !defined(NO_INI_FILE) || !defined(NO_LOG) || !defined(NO_CL_PIDS)
__pure static char* getCommandLineArg(char *const restrict optarg)
{
#if !defined (__CYGWIN__) || defined(USE_THREADS) || defined(NO_SOCKETS)
return optarg;
#else
if (!IsNTService) return optarg;
return allocateStringArgument(optarg);
#endif
}
#endif // !defined(NO_INI_FILE) || !defined(NO_LOG) || !defined(NO_CL_PIDS)
static void parseGeneralArguments() {
int o;
#ifndef NO_CL_PIDS
BYTE* HwId;
#endif // NO_CL_PIDS
for (opterr = 0; ( o = getopt(global_argc, (char* const*)global_argv, optstring) ) > 0; ) switch (o)
{
#if !defined(NO_SOCKETS) && !defined(NO_SIGHUP) && !defined(_WIN32)
case 'Z':
IsRestarted = TRUE;
nodaemon = TRUE;
break;
#endif // !defined(NO_SOCKETS) && !defined(NO_SIGHUP) && !defined(_WIN32)
#ifndef NO_CL_PIDS
case 'w':
KmsResponseParameters[APP_ID_WINDOWS].Epid = getCommandLineArg(optarg);
#ifndef NO_LOG
KmsResponseParameters[APP_ID_WINDOWS].EpidSource = "command line";
#endif // NO_LOG
break;
case '0':
KmsResponseParameters[APP_ID_OFFICE2010].Epid = getCommandLineArg(optarg);
#ifndef NO_LOG
KmsResponseParameters[APP_ID_OFFICE2010].EpidSource = "command line";
#endif // NO_LOG
break;
case '3':
KmsResponseParameters[APP_ID_OFFICE2013].Epid = getCommandLineArg(optarg);
#ifndef NO_LOG
KmsResponseParameters[APP_ID_OFFICE2013].EpidSource = "command line";
#endif // NO_LOG
break;
case 'H':
HwId = (BYTE*)vlmcsd_malloc(sizeof(((RESPONSE_V6 *)0)->HwId));
hex2bin(HwId, optarg, sizeof(((RESPONSE_V6 *)0)->HwId));
KmsResponseParameters[APP_ID_WINDOWS].HwId = HwId;
KmsResponseParameters[APP_ID_OFFICE2010].HwId = HwId;
KmsResponseParameters[APP_ID_OFFICE2013].HwId = HwId;
break;
#endif // NO_CL_PIDS
#ifndef NO_SOCKETS
#ifndef USE_MSRPC
#ifdef ENABLE_DEPRECATED_OPTIONS
#ifndef SIMPLE_SOCKETS
case '4':
case '6':
printerrorf("Warning: Option -%c is deprecated. Use -L instead.\n", o);
/* no break */
#endif // SIMPLE_SOCKETS
#endif // ENABLE_DEPRECATED_OPTIONS
case 'P':
if (o == 'P') defaultport = optarg;
#ifdef SIMPLE_SOCKETS
ignoreIniFileParameter(INI_PARAM_PORT);
#else // !SIMPLE_SOCKETS
ignoreIniFileParameter(INI_PARAM_LISTEN);
#endif // !SIMPLE_SOCKETS
break;
#else // USE_MSRPC
case 'P':
defaultport = optarg;
ignoreIniFileParameter(INI_PARAM_PORT);
break;
#endif // USE_MSRPC
#if !defined(NO_LIMIT) && !__minix__
case 'm':
#ifdef USE_MSRPC
MaxTasks = getOptionArgumentInt(o, 1, RPC_C_LISTEN_MAX_CALLS_DEFAULT);
#else // !USE_MSRPC
MaxTasks = getOptionArgumentInt(o, 1, SEM_VALUE_MAX);
#endif // !USE_MSRPC
ignoreIniFileParameter(INI_PARAM_MAX_WORKERS);
break;
#endif // !defined(NO_LIMIT) && !__minix__
#endif // NO_SOCKETS
#if !defined(NO_TIMEOUT) && !__minix__ && !defined(USE_MSRPC)
case 't':
ServerTimeout = getOptionArgumentInt(o, 1, 600);
ignoreIniFileParameter(INI_PARAM_CONNECTION_TIMEOUT);
break;
#endif // !defined(NO_TIMEOUT) && !__minix__ && !defined(USE_MSRPC)
#ifndef NO_PID_FILE
case 'p':
fn_pid = getCommandLineArg(optarg);
ignoreIniFileParameter(INI_PARAM_PID_FILE);
break;
#endif
#ifndef NO_INI_FILE
case 'i':
fn_ini = getCommandLineArg(optarg);
if (!strcmp(fn_ini, "-")) fn_ini = NULL;
break;
#endif
#ifndef NO_LOG
case 'l':
fn_log = getCommandLineArg(optarg);
ignoreIniFileParameter(INI_PARAM_LOG_FILE);
break;
#ifndef NO_VERBOSE_LOG
case 'v':
case 'q':
logverbose = o == 'v';
ignoreIniFileParameter(INI_PARAM_LOG_VERBOSE);
break;
#endif // NO_VERBOSE_LOG
#endif // NO_LOG
#ifndef NO_SOCKETS
#if !defined(USE_MSRPC) && !defined(SIMPLE_SOCKETS)
case 'L':
maxsockets++;
ignoreIniFileParameter(INI_PARAM_LISTEN);
break;
#if HAVE_FREEBIND
case 'F':
if (!getArgumentBool(&freebind, optarg)) usage();
ignoreIniFileParameter(INI_PARAM_FREEBIND);
break;
#endif // HAVE_FREEBIND
#endif // !defined(USE_MSRPC) && !defined(SIMPLE_SOCKETS)
#if defined(ENABLE_DEPRECATED_OPTIONS)
case 'f':
#if !defined(_WIN32) || !defined(NO_LOG)
printerrorf
(
"Warning: Option -f is deprecated. Use -"
#ifdef _WIN32
"e"
#else // !_WIN32
"de"
#endif // !_WIN32
" instead.\n"
);
#ifndef _WIN32
nodaemon = 1;
#endif // _WIN32
#ifndef NO_LOG
logstdout = 1;
#endif
#if defined(_PEDANTIC) && defined(_WIN32) && defined(NO_LOG)
printerrorf("Warning: Option -f has no effect in a Windows version of vlmcsd that has been compiled with logging disabled.\n");
#endif // defined(_PEDANTIC) && defined(_WIN32) && defined(NO_LOG)
#endif // !defined(_WIN32) || !defined(NO_LOG)
break;
#endif // ENABLE_DEPRECATED_OPTIONS
#ifdef _NTSERVICE
case 'U':
ServiceUser = optarg;
break;
case 'W':
ServicePassword = optarg;
break;
case 's':
#ifndef USE_MSRPC
if (InetdMode) usage();
#endif // USE_MSRPC
if (!IsNTService) installService = 1; // Install
break;
case 'S':
if (!IsNTService) installService = 2; // Remove
break;
#endif // _NTSERVICE
case 'D':
#ifndef _WIN32
nodaemon = 1;
#else // _WIN32
#ifdef _PEDANTIC
printerrorf("Warning: Option -D has no effect in the Windows version of vlmcsd.\n");
#endif // _PEDANTIC
#endif // _WIN32
break;
#ifndef NO_LOG
case 'e':
logstdout = 1;
break;
#endif // NO_LOG
#endif // NO_SOCKETS
#if !defined(_WIN32) && defined(ENABLE_DEPRECATED_OPTIONS)
case 'I': // Backward compatibility with svn681 and earlier
break;
#endif // !defined(_WIN32) && defined(ENABLE_DEPRECATED_OPTIONS)
#ifndef NO_RANDOM_EPID
case 'r':
RandomizationLevel = (int_fast8_t)getOptionArgumentInt(o, 0, 2);
ignoreIniFileParameter(INI_PARAM_RANDOMIZATION_LEVEL);
break;
case 'C':
Lcid = (uint16_t)getOptionArgumentInt(o, 0, 32767);
ignoreIniFileParameter(INI_PARAM_LCID);
#ifdef _PEDANTIC
if (!IsValidLcid(Lcid))
{
printerrorf("Warning: %s is not a valid LCID.\n", optarg);
}
#endif // _PEDANTIC
break;
#endif // NO_RANDOM_PID
#if !defined(NO_USER_SWITCH) && !defined(_WIN32)
case 'g':
gname = optarg;
ignoreIniFileParameter(INI_PARAM_GID);
#ifndef NO_SIGHUP
if (!IsRestarted)
#endif // NO_SIGHUP
if (GetGid())
{
printerrorf("Fatal: %s for %s failed: %s\n", "setgid", gname, strerror(errno));
exit(errno);
}
break;
case 'u':
uname = optarg;
ignoreIniFileParameter(INI_PARAM_UID);
#ifndef NO_SIGHUP
if (!IsRestarted)
#endif // NO_SIGHUP
if (GetUid())
{
printerrorf("Fatal: %s for %s failed: %s\n", "setuid", uname, strerror(errno));
exit(errno);
}
break;
#endif // NO_USER_SWITCH && !_WIN32
#ifndef NO_CUSTOM_INTERVALS
case 'R':
VLRenewalInterval = getTimeSpanFromCommandLine(optarg, o);
ignoreIniFileParameter(INI_PARAM_RENEWAL_INTERVAL);
break;
case 'A':
VLActivationInterval = getTimeSpanFromCommandLine(optarg, o);
ignoreIniFileParameter(INI_PARAM_ACTIVATION_INTERVAL);
break;
#endif
#ifndef USE_MSRPC
case 'd':
case 'k':
DisconnectImmediately = o == 'd';
ignoreIniFileParameter(INI_PARAM_DISCONNECT_IMMEDIATELY);
break;
case 'N':
if (!getArgumentBool(&UseRpcNDR64, optarg)) usage();
ignoreIniFileParameter(INI_PARAM_RPC_NDR64);
break;
case 'B':
if (!getArgumentBool(&UseRpcBTFN, optarg)) usage();
ignoreIniFileParameter(INI_PARAM_RPC_BTFN);
break;
#endif // !USE_MSRPC
#ifndef NO_VERSION_INFORMATION
case 'V':
#ifdef _NTSERVICE
if (IsNTService) break;
#endif
#if defined(__s390__) && !defined(__zarch__) && !defined(__s390x__)
printf("vlmcsd %s %i-bit\n", Version, sizeof(void*) == 4 ? 31 : (int)sizeof(void*) << 3);
#else
printf("vlmcsd %s %i-bit\n", Version, (int)sizeof(void*) << 3);
#endif // defined(__s390__) && !defined(__zarch__) && !defined(__s390x__)
printPlatform();
printCommonFlags();
printServerFlags();
exit(0);
#endif // NO_VERSION_INFORMATION
default:
usage();
}
// Do not allow non-option arguments
if (optind != global_argc)
usage();
#ifdef _NTSERVICE
// -U and -W must be used with -s
if ((ServiceUser || *ServicePassword) && installService != 1) usage();
#endif // _NTSERVICE
}
#ifndef NO_PID_FILE
static void writePidFile()
{
# ifndef NO_SIGHUP
if (IsRestarted) return;
# endif // NO_SIGHUP
if (fn_pid && !InetdMode)
{
FILE *_f = fopen(fn_pid, "w");
if ( _f )
{
fprintf(_f, "%u", (uint32_t)getpid());
fclose(_f);
}
#ifndef NO_LOG
else
{
logger("Warning: Cannot write pid file '%s'. %s.\n", fn_pid, strerror(errno));
}
#endif // NO_LOG
}
}
#else
#define writePidFile(x)
#endif // NO_PID_FILE
#if !defined(NO_SOCKETS) && !defined(USE_MSRPC)
void cleanup()
{
if (!InetdMode)
{
#ifndef NO_PID_FILE
if (fn_pid) unlink(fn_pid);
#endif // NO_PID_FILE
closeAllListeningSockets();
#if !defined(NO_LIMIT) && !defined(NO_SOCKETS) && !defined(_WIN32) && !__minix__
sem_unlink("/vlmcsd");
#if !defined(USE_THREADS) && !defined(CYGWIN)
if (shmid >= 0)
{
if (Semaphore != (sem_t*)-1) shmdt(Semaphore);
shmctl(shmid, IPC_RMID, NULL);
}
#endif // !defined(USE_THREADS) && !defined(CYGWIN)
#endif // !defined(NO_LIMIT) && !defined(NO_SOCKETS) && !defined(_WIN32) && !__minix__
#ifndef NO_LOG
logger("vlmcsd %s was shutdown\n", Version);
#endif // NO_LOG
}
}
#elif defined(USE_MSRPC)
void cleanup()
{
# ifndef NO_PID_FILE
if (fn_pid) unlink(fn_pid);
# endif // NO_PID_FILE
# ifndef NO_LOG
logger("vlmcsd %s was shutdown\n", Version);
# endif // NO_LOG
}
#else // Neither Sockets nor RPC
__pure void cleanup() {}
#endif // Neither Sockets nor RPC
#if !defined(USE_MSRPC) && !defined(NO_LIMIT) && !defined(NO_SOCKETS) && !__minix__
// Get a semaphore for limiting the maximum concurrent tasks
static void allocateSemaphore(void)
{
#ifdef USE_THREADS
#define sharemode 0
#else
#define sharemode 1
#endif
#ifndef _WIN32
sem_unlink("/vlmcsd");
#endif
if(MaxTasks < SEM_VALUE_MAX && !InetdMode)
{
#ifndef _WIN32
#if !defined(USE_THREADS) && !defined(CYGWIN)
if ((Semaphore = sem_open("/vlmcsd", O_CREAT /*| O_EXCL*/, 0700, MaxTasks)) == SEM_FAILED) // fails on many systems
{
// We didn't get a named Semaphore (/dev/shm on Linux) so let's try our own shared page
if (
( shmid = shmget(IPC_PRIVATE, sizeof(sem_t), IPC_CREAT | 0600) ) < 0 ||
( Semaphore = (sem_t*)shmat(shmid, NULL, 0) ) == (sem_t*)-1 ||
sem_init(Semaphore, 1, MaxTasks) < 0
)
{
int errno_save = errno;
if (Semaphore != (sem_t*)-1) shmdt(Semaphore);
if (shmid >= 0) shmctl(shmid, IPC_RMID, NULL);
printerrorf("Warning: Could not create semaphore: %s\n", vlmcsd_strerror(errno_save));
MaxTasks = SEM_VALUE_MAX;
}
}
#else // THREADS or CYGWIN
Semaphore = (sem_t*)vlmcsd_malloc(sizeof(sem_t));
if (sem_init(Semaphore, sharemode, MaxTasks) < 0) // sem_init is not implemented on Darwin (returns ENOSYS)
{
free(Semaphore);
if ((Semaphore = sem_open("/vlmcsd", O_CREAT /*| O_EXCL*/, 0700, MaxTasks)) == SEM_FAILED)
{
printerrorf("Warning: Could not create semaphore: %s\n", vlmcsd_strerror(errno));
MaxTasks = SEM_VALUE_MAX;
}
}
#endif // THREADS or CYGWIN
#else // _WIN32
if (!(Semaphore = CreateSemaphoreA(NULL, MaxTasks, MaxTasks, NULL)))
{
printerrorf("Warning: Could not create semaphore: %s\n", vlmcsd_strerror(GetLastError()));
MaxTasks = SEM_VALUE_MAX;
}
#endif // _WIN32
}
}
#endif // !defined(NO_LIMIT) && !defined(NO_SOCKETS) && !__minix__
#if !defined(NO_SOCKETS) && !defined(USE_MSRPC) && !defined(SIMPLE_SOCKETS)
int setupListeningSockets()
{
int o;
uint_fast8_t allocsockets = maxsockets ? maxsockets : 2;
SocketList = (SOCKET*)vlmcsd_malloc((size_t)allocsockets * sizeof(SOCKET));
int_fast8_t haveIPv4Stack = checkProtocolStack(AF_INET);
int_fast8_t haveIPv6Stack = checkProtocolStack(AF_INET6);
// Reset getopt since we've alread used it
optReset();
for (opterr = 0; ( o = getopt(global_argc, (char* const*)global_argv, optstring) ) > 0; ) switch (o)
{
# ifdef ENABLE_DEPRECATED_OPTIONS
case '4':
if (!haveIPv4Stack)
{
printerrorf("Fatal: Your system does not support %s.\n", cIPv4);
return !0;
}
v4required = 1;
break;
case '6':
if (!haveIPv6Stack)
{
printerrorf("Fatal: Your system does not support %s.\n", cIPv6);
return !0;
}
v6required = 1;
break;
# endif // ENABLE_DEPRECATED_OPTIONS
case 'P':
defaultport = optarg;
break;
case 'L':
addListeningSocket(optarg);
break;
default:
break;
}
# ifndef NO_INI_FILE
if (maxsockets && !numsockets)
{
if (fn_ini && !readIniFile(INI_FILE_PASS_2))
{
#ifdef INI_FILE
if (strcmp(fn_ini, INI_FILE))
#endif // INI_FILE
printerrorf("Warning: Can't read %s: %s\n", fn_ini, strerror(errno));
}
}
# endif
// if -L hasn't been specified on the command line, use default sockets (all IP addresses)
// maxsocket results from first pass parsing the arguments
if (!maxsockets)
{
# ifdef ENABLE_DEPRECATED_OPTIONS
if (haveIPv6Stack && (v6required || !v4required)) addListeningSocket("::");
if (haveIPv4Stack && (v4required || !v6required)) addListeningSocket("0.0.0.0");
# else // !ENABLE_DEPRECATED_OPTIONS
if (haveIPv6Stack) addListeningSocket("::");
if (haveIPv4Stack) addListeningSocket("0.0.0.0");
# endif // !ENABLE_DEPRECATED_OPTIONS
}
if (!numsockets)
{
printerrorf("Fatal: Could not listen on any socket.\n");
return(!0);
}
return 0;
}
#endif // !defined(NO_SOCKETS) && !defined(USE_MSRPC) && !defined(SIMPLE_SOCKETS)
int server_main(int argc, CARGV argv)
{
#if !defined(_NTSERVICE) && !defined(NO_SOCKETS)
int error;
#endif // !defined(_NTSERVICE) && !defined(NO_SOCKETS)
// Initialize ePID / HwId parameters
memset(KmsResponseParameters, 0, sizeof(KmsResponseParameters));
global_argc = argc;
global_argv = argv;
#ifdef _NTSERVICE // #endif is in newmain()
DWORD lasterror = ERROR_SUCCESS;
if (!StartServiceCtrlDispatcher(NTServiceDispatchTable) && (lasterror = GetLastError()) == ERROR_FAILED_SERVICE_CONTROLLER_CONNECT)
{
IsNTService = FALSE;
return newmain();
}
return lasterror;
}
int newmain()
{
int error;
// Initialize thread synchronization objects for Windows and Cygwin
#ifdef USE_THREADS
#ifndef NO_LOG
// Initialize the Critical Section for proper logging
InitializeCriticalSection(&logmutex);
#endif // NO_LOG
#endif // USE_THREADS
#ifdef _WIN32
#ifndef USE_MSRPC
// Windows Sockets must be initialized
WSADATA wsadata;
if ((error = WSAStartup(0x0202, &wsadata)))
{
printerrorf("Fatal: Could not initialize Windows sockets (Error: %d).\n", error);
return error;
}
#endif // USE_MSRPC
// Windows can never daemonize
//nodaemon = 1;
#else // __CYGWIN__
// Do not daemonize if we are a Windows service
if (IsNTService) nodaemon = 1;
#endif // _WIN32 / __CYGWIN__
#endif // _NTSERVICE ( #ifdef is main(int argc, CARGV argv) )
parseGeneralArguments(); // Does not return if an error occurs
#if !defined(_WIN32) && !defined(NO_SOCKETS) && !defined(USE_MSRPC)
struct stat statbuf;
fstat(STDIN_FILENO, &statbuf);
if (S_ISSOCK(statbuf.st_mode))
{
InetdMode = 1;
nodaemon = 1;
#ifndef SIMPLE_SOCKETS
maxsockets = 0;
#endif // SIMPLE_SOCKETS
#ifndef NO_LOG
logstdout = 0;
#endif // NO_LOG
}
#endif // !defined(_WIN32) && !defined(NO_SOCKETS) && !defined(USE_MSRPC)
#ifndef NO_INI_FILE
if (fn_ini && !readIniFile(INI_FILE_PASS_1))
{
#ifdef INI_FILE
if (strcmp(fn_ini, INI_FILE))
#endif // INI_FILE
printerrorf("Warning: Can't read %s: %s\n", fn_ini, strerror(errno));
}
#endif // NO_INI_FILE
#if !defined(NO_LIMIT) && !defined(NO_SOCKETS) && !__minix__ && !defined(USE_MSRPC)
allocateSemaphore();
#endif // !defined(NO_LIMIT) && !defined(NO_SOCKETS) && __minix__
#ifdef _NTSERVICE
if (installService)
return NtServiceInstallation(installService, ServiceUser, ServicePassword);
#endif // _NTSERVICE
#if !defined(NO_SOCKETS) && !defined(USE_MSRPC)
if (!InetdMode)
{
#ifdef SIMPLE_SOCKETS
if ((error = listenOnAllAddresses())) return error;
#else // !SIMPLE_SOCKETS
if ((error = setupListeningSockets())) return error;
#endif // !SIMPLE_SOCKETS
}
#endif // !defined(NO_SOCKETS) && !defined(USE_MSRPC)
// After sockets have been set up, we may switch to a lower privileged user
#if !defined(_WIN32) && !defined(NO_USER_SWITCH)
#ifndef NO_SIGHUP
if (!IsRestarted)
{
#endif // NO_SIGHUP
if (gid != INVALID_GID)
{
if (setgid(gid))
{
printerrorf("Fatal: %s for %s failed: %s\n", "setgid", gname, strerror(errno));
return errno;
}
if (setgroups(1, &gid))
{
printerrorf("Fatal: %s for %s failed: %s\n", "setgroups", gname, strerror(errno));
return errno;
}
}
if (uid != INVALID_UID && setuid(uid))
{
printerrorf("Fatal: %s for %s failed: %s\n", "setuid", uname, strerror(errno));
return errno;
}
#ifndef NO_SIGHUP
}
#endif // NO_SIGHUP
#endif // !defined(_WIN32) && !defined(NO_USER_SWITCH)
randomNumberInit();
// Randomization Level 1 means generate ePIDs at startup and use them during
// the lifetime of the process. So we generate them now
#ifndef NO_RANDOM_EPID
if (RandomizationLevel == 1) randomPidInit();
#endif
#if !defined(NO_SOCKETS)
#ifdef _WIN32
if (!IsNTService)
#endif // _WIN32
if ((error = daemonizeAndSetSignalAction())) return error;
#endif // !defined(NO_SOCKETS)
writePidFile();
#if !defined(NO_LOG) && !defined(NO_SOCKETS) && !defined(USE_MSRPC)
if (!InetdMode)
logger("vlmcsd %s started successfully\n", Version);
#endif // !defined(NO_LOG) && !defined(NO_SOCKETS) && !defined(USE_MSRPC)
#if defined(_NTSERVICE) && !defined(USE_MSRPC)
if (IsNTService) ReportServiceStatus(SERVICE_RUNNING, NO_ERROR, 200);
#endif // defined(_NTSERVICE) && !defined(USE_MSRPC)
int rc;
rc = runServer();
// Clean up things and exit
#ifdef _NTSERVICE
if (!ServiceShutdown)
#endif
cleanup();
#ifdef _NTSERVICE
else
ReportServiceStatus(SERVICE_STOPPED, NO_ERROR, 0);
#endif
return rc;
}