#include "rdesktop.h"extern RDPDR_DEVICE g_rdpdr_device[];static PRINTER *get_printer_data(NTHANDLE handle){	int index;	for (index = 0; index < RDPDR_MAX_DEVICES; index++)	{		if (handle == g_rdpdr_device[index].handle)			return (PRINTER *) g_rdpdr_device[index].pdevice_data;	}	return NULL;}intprinter_enum_devices(uint32 * id, char *optarg){	PRINTER *pprinter_data;	char *pos = optarg;	char *pos2;	int count = 0;	int already = 0;	/* we need to know how many printers we've already set up	   supplied from other -r flags than this one. */	while (count < *id)	{		if (g_rdpdr_device[count].device_type == DEVICE_TYPE_PRINTER)			already++;		count++;	}	count = 0;	if (*optarg == ':')		optarg++;	while ((pos = next_arg(optarg, ',')) && *id < RDPDR_MAX_DEVICES)	{		pprinter_data = (PRINTER *) xmalloc(sizeof(PRINTER));		strcpy(g_rdpdr_device[*id].name, "PRN");		strcat(g_rdpdr_device[*id].name, l_to_a(already + count + 1, 10));		/* first printer is set as default printer */		if ((already + count) == 0)			pprinter_data->default_printer = True;		else			pprinter_data->default_printer = False;		pos2 = next_arg(optarg, '=');		if (*optarg == (char) 0x00)			pprinter_data->printer = "mydeskjet";	/* set default */		else		{			pprinter_data->printer = xmalloc(strlen(optarg) + 1);			strcpy(pprinter_data->printer, optarg);		}		if (!pos2 || (*pos2 == (char) 0x00))			pprinter_data->driver = "HP Color LaserJet 8500 PS";	/* no printer driver supplied set default */		else		{			pprinter_data->driver = xmalloc(strlen(pos2) + 1);			strcpy(pprinter_data->driver, pos2);		}		printf("PRINTER %s to %s driver %s\n", g_rdpdr_device[*id].name,		       pprinter_data->printer, pprinter_data->driver);		g_rdpdr_device[*id].device_type = DEVICE_TYPE_PRINTER;		g_rdpdr_device[*id].pdevice_data = (void *) pprinter_data;		count++;		(*id)++;		optarg = pos;	}	return count;}static NTSTATUSprinter_create(uint32 device_id, uint32 access, uint32 share_mode, uint32 disposition, uint32 flags,	       char *filename, NTHANDLE * handle){	char cmd[256];	PRINTER *pprinter_data;	pprinter_data = (PRINTER *) g_rdpdr_device[device_id].pdevice_data;	/* default printer name use default printer queue as well in unix */	if (pprinter_data->printer == "mydeskjet")	{		pprinter_data->printer_fp = popen("lpr", "w");	}	else	{		sprintf(cmd, "lpr -P %s", pprinter_data->printer);		pprinter_data->printer_fp = popen(cmd, "w");	}	g_rdpdr_device[device_id].handle = fileno(pprinter_data->printer_fp);	*handle = g_rdpdr_device[device_id].handle;	return STATUS_SUCCESS;}static NTSTATUSprinter_close(NTHANDLE handle){	int i = get_device_index(handle);	if (i >= 0)	{		PRINTER *pprinter_data = g_rdpdr_device[i].pdevice_data;		if (pprinter_data)			pclose(pprinter_data->printer_fp);		g_rdpdr_device[i].handle = 0;	}	return STATUS_SUCCESS;}static NTSTATUSprinter_write(NTHANDLE handle, uint8 * data, uint32 length, uint32 offset, uint32 * result){	PRINTER *pprinter_data;	pprinter_data = get_printer_data(handle);	*result = length * fwrite(data, length, 1, pprinter_data->printer_fp);	if (ferror(pprinter_data->printer_fp))	{		*result = 0;		return STATUS_INVALID_HANDLE;	}	return STATUS_SUCCESS;}DEVICE_FNS printer_fns = {	printer_create,	printer_close,	NULL,			/* read */	printer_write,	NULL			/* device_control */};