xnsremote.c

早期freebsd实现

#ifndef lint
static char *rcsid = "$Header: xnsremote.c,v 1.3 87/04/01 08:23:53 ed Exp $";
#endif lint

/*
 * Copyright (c) 1986, 1987 Xerox Corporation.
 */

/* $Log:	xnsremote.c,v $
 * Revision 1.3  87/04/01  08:23:53  ed
 * Changed for new MakeSecondaryCreds call.
 * 
 * Revision 1.2  87/03/25  10:55:53  ed
 * Don't reset usefiling in login.
 * 
 * Revision 1.1  87/03/17  16:29:19  ed
 * Initial revision
 * 
 * 
 */

#include <stdio.h>
#include <sys/time.h>
#include <sys/param.h>
#include <sys/stat.h>
#include <netns/ns.h>
#include <netns/sp.h>
#include <xnscourier/FilingSubset1.h>
#include <xnscourier/Filing4.h>
#include <xnscourier/except.h>
#undef __Clearinghouse2			/* Filing4.h defs this */
#include <xnscourier/CH.h>
#include <xnscourier/filetypes.h>

#ifdef PRINTOPTION
#ifndef XNSPRINT
#define XNSPRINT	"/usr/new/xnsprint"
#endif XNSPRINT

#ifndef MAHA
#define MAHA		"/usr/new/maha"
#endif MAHA
#endif PRINTOPTION

#define ROOT_DIRECTORY "/"

CourierConnection *connected;
Clearinghouse3_ObjectName hostobjname;
Authentication3_Verifier verifier;

/* the following 3 items make up the current session */
FilingSubset1_Session session;	/* the current session */
Clearinghouse3_ObjectName username;
FilingSubset1_Handle rootHandle;
char cur_dir[512]= 0;
char cur_pathname[512]= 0;
char cur_name[512]= 0;

static FilingSubset1_ControlSequence nullControls = {0,0};
static FilingSubset1_ScopeSequence nullScope = {0,0};

/* global data used to communicate with BDT procedures
 */
extern GetAttributeSequences(), 
	listproc(), retrieveproc();

char *AttrToString();
Boolean AttrToBoolean();
LongCardinal AttrToLongCardinal();
Cardinal AttrToCardinal();

static (*ProcEachSeq)();
static FILE *fout= stdout;

Boolean files_found= FALSE;
Boolean filing_subset= TRUE;
Boolean usefiling= TRUE;
Boolean verbose= FALSE;

LongCardinal typevalue= 0;
char *service, *pager;
extern int errno;
char thru_options[512];

struct name_entry {
	char *pathname;
	LongCardinal type;
} ;

static struct name_entry *name_list= 0;
static int name_count= 0;
static int name_size= 0;
#define MAX_NAMES	10

main(argc, argv)
int argc;
char *argv[];
{
	char *file, *rightbrkt;
	char oldservice[100];
	char *index(), *getenv();
	int i;
	CourierConnection *hookup();
	int opt;
	extern int optind;
	extern char *optarg;

#ifdef PRINTOPTION
	static char *options= "fvP:";
	static char *usage= "Usage: %s [-f] [-v] [-P printer] file1 ... filen\n";
#else PRINTOPTION
	static char *options= "fvs";
	static char *usage= "Usage: %s [-f] [-v] [-s] file1 ... filen\n";
#endif PRINTOPTION

	if ( argc < 1 ) {
		fprintf(stderr, usage, argv[0]);
		exit(1);
	}

#ifndef PRINTOPTION
	pager= getenv("PAGER");
#endif PRINTOPTION

	strcpy(thru_options, "");

	while ((opt= getopt(argc, argv, options)) != EOF) 
		switch (opt) {
			case 'v':
				verbose++;
				break;

			case 'f':
				usefiling= 0;
				break;

#ifdef PRINTOPTION
			case 'P' :
				strcat(thru_options, " -P ");
				strcat(thru_options, optarg);
				break;
#else PRINTOPTION
			case 's' :
				pager= '\0';	/* override pager */
				break;
#endif PRINTOPTION
			default:
				fprintf(stderr, "Invalid command option -%c\n", opt);
				exit(1);
		}

	for ( ; optind < argc ; optind++ ) {
		if ( getserviceandfile(argv[optind], &service, &file) == 0 ) {
			fprintf(stderr, "Invalid name %s\n", argv[optind]);
			exit(1);
		}
		DURING {
			if ( strcmp(oldservice, service) != 0 ) {
				if ( (connected= hookup(service)) == (CourierConnection *)0 ) {
					fprintf(stderr, "\nCan't connect to %s\n", service);
					continue;
				}
				login(0,0);
				strcpy(oldservice, service);
			}

			getfile(file);

		} HANDLER {
			FilingErrMsg(Exception.Code, Exception.Message);
#ifndef PRINTOPTION
			if ( fout != stdout )
				pclose(fout);
#endif PRINTOPTION
		} END_HANDLER;

	}

	return(0);
}

getserviceandfile(name, srvcptr, fileptr)
char *name;
char **srvcptr, **fileptr;
{
	char *sptr, *fptr;
	char *index(), *rindex();

	/*
	 * look for Xerox forms first:
	 *	[host]filename
	 */

	if ( (sptr= index(name, '[')) != 0 ) {
		if ( (fptr= index(sptr, ']')) != 0 ) {
			*fptr= '\0';
			*srvcptr= sptr + 1;
			*fileptr= fptr + 1;
			return(1);
		} else
			return(0);
	}

	/*
	 *	(host)filename
	 */

	if ( (sptr= index(name, '(')) != 0 ) {
		if ( (fptr= index(sptr, ')')) != 0 ) {
			*fptr= '\0';
			*srvcptr= sptr + 1;
			*fileptr= fptr + 1;
			return(1);
		} else
			return(0);
	}

	/*
	 * look for XNS style with trailing : delimiter
	 * (assumes no : in file name, use alternate spec instead)
	 *	object:domain:organization:filename
	 *		domain & organization are optional
	 */

	if ( (fptr= rindex(name, ':')) != 0 ) {
		*fptr= '\0';
		*srvcptr= name;
		*fileptr= fptr + 1;
		return(1);
	} else
		return(0);
}

copyhandle(dest,src)
	FilingSubset1_Handle dest,src;
{
	if (dest == (Unspecified *) 0) {
		fprintf(stderr,"Oops.  dest is null in copyhandle\n");
		exit(1);
	}
	dest[0] = src[0];
	dest[1] = src[1];
}

getfilehandle(filename, handle)
	char *filename;
	FilingSubset1_Handle handle;
{
	FilingSubset1_Attribute pathattr[1];
	FilingSubset1_AttributeSequence attrseq;
	FilingSubset1_OpenResults openresult;
	Filing4_OpenResults openresult2;

	if (filename == (char *)0 || *filename == '\000' || (strcmp(filename, "/") == 0) ) {
		if ( filing_subset )
			copyhandle(handle,FilingSubset1_nullHandle);
		else
			copyhandle(handle,rootHandle);
		return;
	}

	attrseq.length = 1;
	attrseq.sequence = pathattr;
	pathattr[0].type = FilingSubset1_pathname;
	copyhandle(handle, FilingSubset1_nullHandle);
#ifdef XEROXFSCOMPATIBILITY
	if ( filename[0] == '/')
		StringToAttr(filename+1, &pathattr[0]);
	else
		StringToAttr(filename, &pathattr[0]);
#else XEROXFSCOMPATIBILITY
	StringToAttr(filename, &pathattr[0]);
#endif XEROXFSCOMPATIBILITY
	alarm(0);
	if ( filing_subset ) {
		openresult = FilingSubset1_Open(connected, NULL, attrseq,
					  handle, nullControls,
					  session);
		copyhandle(handle, openresult.file);
	} else {
		openresult2 = Filing4_Open(connected, NULL, attrseq,
					  handle, nullControls,
					  session);
		copyhandle(handle, openresult2.file);
	} 
}

getdirhandle(filename, handle)
	char *filename;
	FilingSubset1_Handle handle;
{
	FilingSubset1_Attribute pathattr[1];
	FilingSubset1_AttributeSequence attrseq;
	FilingSubset1_OpenResults openresult;
	Filing4_OpenResults openresult2;
	char *rindex();
	char *slash;

	if (filename == (char *)0 || *filename == '\000' || (strcmp(filename, "/") == 0) ) {
		strcpy(cur_pathname, "/");
		strcpy(cur_name, "/");
		if ( filing_subset )
			copyhandle(handle,FilingSubset1_nullHandle);
		else
			copyhandle(handle,rootHandle);
		return;
	} else if ( filename[0] == '/' ) {
		strcpy(cur_pathname, filename);
	} else {
		strcpy(cur_pathname, cur_dir);
		if ( strcmp(cur_pathname, "/") != 0 )
			strcat(cur_pathname, "/");
		strcat(cur_pathname, filename); 
	}

	if ( (slash= rindex(cur_pathname,'/')) == NULL )
		strcpy(cur_name, cur_pathname);
	else
		strcpy(cur_name, slash+1);

	if ( filing_subset ) {
		copyhandle(handle, FilingSubset1_nullHandle);
	} else {
		if ( slash == cur_pathname) {
			copyhandle(handle, rootHandle);
			return;
		}

		attrseq.length = 1;
		attrseq.sequence = pathattr;
		pathattr[0].type = FilingSubset1_pathname;
		copyhandle(handle, FilingSubset1_nullHandle);
		*slash= '\0';		/* separate pathname from name */
#ifdef XEROXFSCOMPATIBILITY
		if ( cur_pathname[0] == '/' )
			StringToAttr(cur_pathname+1, &pathattr[0]);
		else
			StringToAttr(cur_pathname, &pathattr[0]);
#else XEROXFSCOMPATIBILITY
		StringToAttr(cur_pathname, &pathattr[0]);
#endif XEROXFSCOMPATIBILITY
		*slash= '/';		/* and put back */
		alarm(0);
		if ( filing_subset ) {
			openresult = FilingSubset1_Open(connected, NULL, attrseq,
						  handle, nullControls,
						  session);
			copyhandle(handle, openresult.file);
		} else {
			openresult2 = Filing4_Open(connected, NULL, attrseq,
						  handle, nullControls,
						  session);
			copyhandle(handle, openresult2.file);
		}
	}
}

freefilehandle(handle)
	FilingSubset1_Handle handle;
{
	if (handle[0] == FilingSubset1_nullHandle[0] &&
	    handle[1] == FilingSubset1_nullHandle[1])
		return;		/* don't free nullHandle */
	if (handle[0] == rootHandle[0] &&
	    handle[1] == rootHandle[1])
		return;		/* don't free root directory */
	alarm(0);
	if ( filing_subset )
		FilingSubset1_Close(connected, NULL, handle, session);
	else
		Filing4_Close(connected, NULL, handle, session);
}

CourierConnection *
hookup(name)
	char *name;
{
	register struct ns_addr *hostaddr;
	extern struct ns_addr *getXNSaddr();
	Clearinghouse3_ObjectName defaultobjname;
	static char hnamebuf[128];
	CourierConnection *cconn;

	CH_NameDefault(&defaultobjname);
	hostobjname = CH_StringToName(name, &defaultobjname);
	if ((hostaddr = CH_LookupAddrDN( hostobjname, 0, hnamebuf, 128))) {
		/* should check here to be sure host is a file service */
		hostaddr->x_port = htons(5); /* ?? */
		cconn = CourierOpen(hostaddr);
		/* reset objname to flush wildcards */