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| -rw-r--r-- | source3/lib/streams.c | 140 |
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); +} |