1 files changed, 426 insertions, 0 deletions
diff --git a/lib/win32/emu.h b/lib/win32/emu.h
new file mode 100644
index 00000000..5b506206
--- /dev/null
+++ b/lib/win32/emu.h
@@ -0,0 +1,426 @@
+// emulates unix syscalls to win32 functions
+
+#if ! defined EMU_INCLUDE && defined WIN32
+#define EMU_INCLUDE
+
+#define _STAT_DEFINED
+#define _INO_T_DEFINED
+
+#include <winsock2.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+#include <direct.h>
+#include <errno.h>
+#include <io.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <time.h>
+//#include <winsock.h>
+//#include <sys/types.h>
+//#include <sys/stat.h>
+
+#include <string>
+
+#define gmtime_r( _clock, _result ) \
+	( *(_result) = *gmtime( (_clock) ), \
+	(_result) )
+
+
+//signal in unix SIGVTALRM does not exist in win32 - but looking at the 
+#define SIGVTALRM 254
+#define SIGALRM SIGVTALRM
+#define ITIMER_VIRTUAL 0
+
+int setitimer(int type , struct itimerval *timeout, int);
+void InitTimer(void);
+void FiniTimer(void);
+
+inline int geteuid(void)
+{
+	//lets pretend to be root!
+	return 0;
+}
+
+struct passwd {
+	char *pw_name;
+	char *pw_passwd;
+	uid_t pw_uid;
+	gid_t pw_gid;
+	time_t pw_change;
+	char *pw_class;
+	char *pw_gecos;
+	char *pw_dir;
+	char *pw_shell;
+	time_t pw_expire;
+};
+
+extern passwd gTempPasswd;
+inline struct passwd * getpwnam(const char * name)
+{
+	//for the mo pretend to be root
+	gTempPasswd.pw_uid = 0;
+	gTempPasswd.pw_gid = 0;
+
+	return &gTempPasswd;
+}
+
+#define S_IRWXG 1
+#define S_IRWXO 2
+#define S_ISUID 4
+#define S_ISGID 8
+#define S_ISVTX 16
+
+#ifndef __MINGW32__
+	//not sure if these are correct
+	//S_IWRITE -   writing permitted
+	//_S_IREAD -    reading permitted
+	//_S_IREAD | _S_IWRITE - 
+	#define S_IRUSR S_IWRITE
+	#define S_IWUSR S_IREAD
+	#define S_IRWXU (S_IREAD|S_IWRITE|S_IEXEC)
+
+	#define S_ISREG(x) (S_IFREG & x)
+	#define S_ISDIR(x) (S_IFDIR & x)
+#endif
+
+inline int utimes(const char * Filename, timeval[])
+{
+	//again I am guessing this is quite important to
+	//be functioning, as large restores would be a problem
+
+	//indicate success
+	return 0;
+}
+inline int chown(const char * Filename, u_int32_t uid, u_int32_t gid)
+{
+	//important - this needs implementing
+	//If a large restore is required then 
+	//it needs to restore files AND permissions
+	//reference AdjustTokenPrivileges
+	//GetAccountSid
+	//InitializeSecurityDescriptor
+	//SetSecurityDescriptorOwner
+	//The next function looks like the guy to use...
+	//SetFileSecurity
+
+	//indicate success
+	return 0;
+}
+
+inline int chmod(const char * Filename, int uid)
+{
+	//indicate sucsess
+	return 0;
+}
+
+//I do not perceive a need to change the user or group on a backup client
+//at any rate the owner of a service can be set in the service settings
+inline int setegid(int)
+{
+	return true;
+}
+inline int seteuid(int)
+{
+	return true;
+}
+inline int setgid(int)
+{
+	return true;
+}
+inline int setuid(int)
+{
+	return true;
+}
+inline int getgid(void)
+{
+	return 0;
+}
+inline int getuid(void)
+{
+	return 0;
+}
+
+#ifndef PATH_MAX
+#define PATH_MAX MAX_PATH
+#endif
+
+// MinGW provides a getopt implementation
+#ifndef __MINGW32__
+
+//this will need to be implimented if we see fit that command line
+//options are going to be used! (probably then:)
+//where the calling function looks for the parsed parameter
+extern char *optarg;
+//optind looks like an index into the string - how far we have moved along
+extern int optind;
+extern char nextchar;
+
+inline int getopt(int count, char * const * args, char * tolookfor)
+{
+	if ( optind >= count ) return -1;
+
+	std::string str((const char *)args[optind]);
+	std::string interestin(tolookfor);
+	int opttolookfor = 0;
+	int index = -1;
+	//just initialize the string - just in case it is used.
+	//optarg[0] = 0;
+	std::string opt;
+
+	if ( count == 0 ) return -1;
+
+	do 
+	{
+		if ( index != -1 )
+		{
+			str = str.substr(index+1, str.size());
+		}
+
+		index = str.find('-');
+
+		if ( index == -1 ) return -1;
+
+		opt = str[1];
+
+		optind ++;
+		str = args[optind];
+	}
+	while ( ( opttolookfor = interestin.find(opt)) == -1 );
+
+	if ( interestin[opttolookfor+1] == ':' ) 
+	{
+
+		//strcpy(optarg, str.c_str());
+		optarg = args[optind];
+		optind ++;
+	}
+
+	//indicate we have finished
+	return opt[0];
+}
+#endif // !__MINGW32__
+
+#define timespec timeval
+
+//not available in win32
+struct itimerval
+{
+	timeval 	it_interval;
+	timeval 	it_value;
+};
+
+//win32 deals in usec not nsec - so need to ensure this follows through
+#define tv_nsec tv_usec 
+
+#ifndef __MINGW32__
+	typedef unsigned __int64 u_int64_t;
+	typedef unsigned __int64 uint64_t;
+	typedef __int64 int64_t;
+	typedef unsigned __int32 uint32_t;
+	typedef unsigned __int32 u_int32_t;
+	typedef __int32 int32_t;
+	typedef unsigned __int16 uint16_t;
+	typedef __int16 int16_t;
+	typedef unsigned __int8 uint8_t;
+	typedef __int8 int8_t;
+
+	typedef int socklen_t;
+#endif
+
+// I (re-)defined here for the moment; has to be removed later !!! 
+#ifndef BOX_VERSION
+#define BOX_VERSION "0.09hWin32"
+#endif
+
+#define S_IRGRP S_IWRITE
+#define S_IWGRP S_IREAD
+#define S_IROTH S_IWRITE | S_IREAD
+#define S_IWOTH S_IREAD | S_IREAD
+
+//again need to verify these
+#define S_IFLNK 1
+
+#define S_ISLNK(x) ( false )
+
+// nasty implementation to get working - TODO get the win32 equiv
+#ifdef _DEBUG
+#define getpid() 1
+#endif
+
+#define vsnprintf _vsnprintf
+
+#ifndef __MINGW32__
+typedef unsigned int mode_t;
+#endif
+
+inline int mkdir(const char *pathname, mode_t mode)
+{
+	return mkdir(pathname);
+}
+
+#ifdef __MINGW32__
+	#include <dirent.h>
+#else
+	inline int strcasecmp(const char *s1, const char *s2)
+	{
+		return _stricmp(s1,s2);
+	}
+
+	struct dirent
+	{
+		char *d_name;
+	};
+
+	struct DIR
+	{
+		intptr_t		fd;	// filedescriptor
+		// struct _finddata_t	info;
+		struct _wfinddata_t	info;
+		// struct _finddata_t 	info;
+		struct dirent		result;	// d_name (first time null)
+		wchar_t			*name;	// null-terminated byte string
+	};
+
+	DIR *opendir(const char *name);
+	struct dirent *readdir(DIR *dp);
+	int closedir(DIR *dp);
+#endif
+
+HANDLE openfile(const char *filename, int flags, int mode);
+
+#define LOG_INFO 6
+#define LOG_WARNING 4
+#define LOG_ERR 3
+#define LOG_PID 0
+#define LOG_LOCAL6 0
+
+extern HANDLE gSyslogH;
+void MyReportEvent(LPCTSTR *szMsg, DWORD errinfo);
+inline void openlog(const char * daemonName, int, int)
+{
+	gSyslogH = RegisterEventSource(
+		NULL,  // uses local computer 
+		daemonName);    // source name
+	if (gSyslogH == NULL) 
+	{
+	}
+}
+
+inline void closelog(void)
+{
+	DeregisterEventSource(gSyslogH); 
+}
+
+void syslog(int loglevel, const char *fmt, ...);
+
+#ifndef __MINGW32__
+#define strtoll _strtoi64
+#endif
+
+inline unsigned int sleep(unsigned int secs)
+{
+	Sleep(secs*1000);
+	return(ERROR_SUCCESS);
+}
+
+#define INFTIM -1
+#define POLLIN 0x1
+#define POLLERR 0x8
+#define POLLOUT 0x4
+
+#define SHUT_RDWR SD_BOTH
+#define SHUT_RD SD_RECEIVE
+#define SHUT_WR SD_SEND
+
+struct pollfd
+{
+	SOCKET fd;
+	short int events;
+	short int revents;
+};
+
+inline int ioctl(SOCKET sock, int flag,  int * something)
+{
+	//indicate success
+	return 0;
+}
+
+inline int waitpid(pid_t pid, int *status, int)
+{
+	return 0;
+}
+
+//this shouldn't be needed.
+struct statfs
+{
+	TCHAR f_mntonname[MAX_PATH];
+};
+
+// I think this should get us going
+// Although there is a warning about 
+// mount points in win32 can now exists - which means inode number can be 
+// duplicated, so potential of a problem - perhaps this needs to be 
+// implemented with a little more thought... TODO
+
+struct stat {
+	//_dev_t st_dev;
+	u_int64_t st_ino;
+	DWORD st_mode;
+	short st_nlink;
+	short st_uid;
+	short st_gid;
+	//_dev_t st_rdev;
+	u_int64_t st_size;
+	time_t st_atime;
+	time_t st_mtime;
+	time_t st_ctime;
+};
+
+#ifndef __MINGW32__
+typedef u_int64_t _ino_t;
+#endif
+
+int ourstat(const char * name, struct stat * st);
+int ourfstat(HANDLE file, struct stat * st);
+int statfs(const char * name, struct statfs * s);
+
+//need this for converstions
+inline time_t ConvertFileTimeToTime_t(FILETIME *fileTime)
+{
+	SYSTEMTIME stUTC;
+	struct tm timeinfo;
+
+	// Convert the last-write time to local time.
+	FileTimeToSystemTime(fileTime, &stUTC);
+	// SystemTimeToTzSpecificLocalTime(NULL, &stUTC, &stLocal);
+	
+	timeinfo.tm_sec = stUTC.wSecond;
+	timeinfo.tm_min = stUTC.wMinute;
+	timeinfo.tm_hour = stUTC.wHour;
+	timeinfo.tm_mday = stUTC.wDay;
+	timeinfo.tm_wday = stUTC.wDayOfWeek;
+	timeinfo.tm_mon = stUTC.wMonth - 1;
+	// timeinfo.tm_yday = ...;
+	timeinfo.tm_year = stUTC.wYear - 1900;
+
+	time_t retVal = mktime(&timeinfo);
+	return retVal;
+}
+
+#define stat(x,y) ourstat(x,y)
+#define fstat(x,y) ourfstat(x,y)
+#define lstat(x,y) ourstat(x,y)
+
+int poll (struct pollfd *ufds, unsigned long nfds, int timeout);
+bool EnableBackupRights( void );
+
+//
+// MessageId: MSG_ERR_EXIST
+// MessageText:
+//  Box Backup.
+//
+#define MSG_ERR_EXIST                         ((DWORD)0xC0000004L)
+
+#endif // !EMU_INCLUDE && WIN32