Adding George's Mac extension code.

Jeremy.
(This used to be commit b993081db1d371b8f0d16db23a46a2d5fedcc9ef)

1 files changed, 140 insertions, 0 deletions

diff --git a/source3/lib/streams.c b/source3/lib/streams.c
new file mode 100644
index 0000000000..8e6ad9f53a
--- /dev/null
+++ b/source3/lib/streams.c
@@ -0,0 +1,140 @@
+/* 
+   Unix SMB/Netbios implementation.
+   Version 1.9.
+   Samba utility functions
+   Copyright (C) Andrew Tridgell 1992-1998
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+#include "MacExtensions.h"
+
+extern int DEBUGLEVEL;
+
+/*
+** Given a path to file/directory build a path to the stream in question.
+** If it is not a directory they place the .streams folder after the last
+** slash then add the filename with the stream cat on. If it is a directory
+** then just cat the .streams folder and the stream on it. If mode is true
+** then force the .streams directory to be created.
+**
+** Some examples.
+**   input::
+**		fname = folder1/folder2/filea
+** 		stream = :AFP_Resource:$DATA the resource fork
+**		isDir = False
+**   output::		
+**		streampath = folder1/folder2/.streams/filea:AFP_Resource:$DATA
+**
+**   input::
+**		fname = folder1/folder2
+** 		stream = :AFP_AfpInfo:$DATA the Finder Info
+**		isDir = True
+**   output::		
+**		streampath = folder1/folder2/.streams/:AFP_Resource:$DATA		
+** 
+*/ 
+void makestreampath(char *fname, char *stream, char *streampath, int mode, int isDir, int dirOnly)
+{
+	char *cptr;
+
+	pstrcpy(streampath, fname);
+	if (!isDir)
+	{
+		cptr = strrchr(streampath, '/');
+		if (cptr) *(cptr+1) = 0;
+		else streampath[0] = 0;
+	}
+	else
+	if (streampath[0] == 0)		/* Start at the current position */
+		pstrcat(streampath, "./");
+	else  pstrcat(streampath, "/");
+
+	pstrcat(streampath, STREAM_FOLDER_SLASH);
+	if (mode)
+		(void)mkdir(streampath, 0777);
+	if (! dirOnly)
+	{
+		cptr = strrchr(fname, '/');
+		if (!isDir)
+		{
+			cptr = strrchr(fname, '/');
+			if (cptr) pstrcat(streampath, cptr+1);
+			else pstrcat(streampath, fname);
+		}
+		pstrcat(streampath, stream);
+	}
+	DEBUG(4,("MACEXTENSION-makestreampath: streampath = %s\n", streampath));
+}
+
+/*
+** Given a path to file/directory open the stream in question.
+*/ 
+int openstream(char *fname, char *stream, int oflag, int mode, int isDir)
+{
+	pstring streampath;
+	char *cptr;
+
+	makestreampath(fname, stream, streampath, mode, isDir, False);
+	return(open(streampath, oflag, mode));
+}
+
+/*
+** Fill in the AFP structure with the default values and
+** then write it out.
+*/ 
+void writedefaultafp(int fd, SambaAfpInfo *safp, int writeit)
+{
+	safp->afp.afpi_Signature = AFP_Signature;   		/* Must be *(PDWORD)"AFP" */
+	safp->afp.afpi_Version = AFP_Version;     			/* Must be 0x00010000 */
+	safp->afp.afpi_Reserved1 = 0;
+	safp->afp.afpi_BackupTime = AFP_BackupTime;  		/* Backup time for the file/dir */
+	bzero(safp->afp.afpi_FinderInfo, AFP_FinderSize);	/* Finder Info (32 bytes) */
+	bzero(safp->afp.afpi_ProDosInfo, 6);	/* ProDos Info (6 bytes) # */
+	bzero(safp->afp.afpi_Reserved2, 6);
+	safp->createtime = time(NULL);
+	if (writeit) (void)write(fd, safp, sizeof(*safp));
+}
+
+/*
+** Check to see if the fname has a stream component. 
+** If it does then check to see if it is the data fork
+** stream. If so then just remove the stream since we
+** treat them the same otherwise build a path to the 
+** streams folder.
+** Return true if it is a stream
+** Return false no stream and the name has not been touched.
+*/ 
+int CheckForStream(char *fname)
+{
+	pstring streampath;
+	char *cptr;
+
+	cptr = strrchr(fname, ':');
+    	/* Must be a streams file */
+	if (cptr && strequal(cptr, DefaultStreamTest))
+    {
+    	cptr = strstr(fname, AFPDATA_STREAM);
+    	if (cptr) *cptr = 0;/* The datafork just remove the stream name */
+    	else				/* Build the streams path */
+    	{
+ 			makestreampath(fname, "", streampath, 1, False, False);
+			pstrcpy(fname, streampath);
+    	}
+    	return(True);
+    }
+    return(False);
+}