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edhill |
1.1 |
/* macos.c -- operating system dependant mpack code for the Macintosh |
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*/ |
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/* (C) Copyright 1993-1995 by Carnegie Mellon University |
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* All Rights Reserved. |
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* |
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* Permission to use, copy, modify, distribute, and sell this software |
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* and its documentation for any purpose is hereby granted without fee, |
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* provided that the above copyright notice appear in all copies and |
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* that both that copyright notice and this permission notice appear in |
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* supporting documentation, and that the name of Carnegie Mellon University |
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* not be used in advertising or publicity pertaining to distribution of the |
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* software without specific, written prior permission. Carnegie |
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* Mellon University makes no representations about the suitability of |
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* this software for any purpose. It is provided "as is" without |
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* express or implied warranty. |
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* |
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* CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO |
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* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY |
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* AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE |
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* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN |
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* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING |
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS |
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* SOFTWARE. |
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*/ |
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#include <stdio.h> |
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#include <ctype.h> |
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#include <string.h> |
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#include <errno.h> |
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#include "common.h" |
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#include "macnapp.h" |
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#include "macmpack.h" |
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extern char *malloc(), *realloc(); |
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char copy_buf[COPY_BUFSIZE]; |
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char *xmalloc(unsigned size) |
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{ |
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char *ret; |
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if (ret = malloc((unsigned) size)) |
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return ret; |
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yell("Not enough memory available."); |
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maccleanup(); |
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exit(1); |
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} |
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char *xrealloc (char *ptr, unsigned size) |
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{ |
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char *ret; |
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/* xrealloc (NULL, size) behaves like xmalloc (size), as in ANSI C */ |
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if (ret = !ptr ? malloc ((unsigned) size) : realloc (ptr, (unsigned) size)) |
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return ret; |
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yell("Not enough memory available"); |
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maccleanup(); |
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exit(1); |
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} |
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char *strsave(char *str) |
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{ |
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char *p = xmalloc(strlen(str)+1); |
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strcpy(p, str); |
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return p; |
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} |
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/* save output filename buffer */ |
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static char *output_fname = NULL; |
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static short applefile_flag = 0; |
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static FSSpec fspec; |
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/* rename or copy a file to a new location |
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*/ |
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static void rename_or_copy(srcfname, dstfname, dstvol, dirid) |
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char *srcfname; |
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PCstr *dstfname; |
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short dstvol; |
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long dirid; |
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{ |
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PCstr tstr[257]; |
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short srefnum, drefnum; |
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long count; |
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WDPBRec wdpb; |
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HParamBlockRec hpb; |
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CMovePBRec cpb; |
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wdpb.ioNamePtr = P(tstr); |
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if (PBHGetVol(&wdpb, FALSE) != noErr) return; |
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CtoPCstrcpy(tstr, srcfname); |
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if (HOpen(0, 0, P(tstr), fsRdPerm, &srefnum) != noErr) return; |
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if (GetEOF(srefnum, &count) == noErr && !count) { |
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FSClose(srefnum); |
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return; |
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} |
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if (wdpb.ioWDVRefNum == dstvol) { |
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/* files on same drive -- do a rename/move */ |
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FSClose(srefnum); |
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hpb.fileParam.ioNamePtr = P(tstr); |
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hpb.fileParam.ioVRefNum = 0; |
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hpb.ioParam.ioMisc = (Ptr) P(dstfname); |
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hpb.fileParam.ioDirID = 0; |
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if (PBHRenameSync(&hpb) == noErr && wdpb.ioWDDirID != dirid) { |
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cpb.ioNamePtr = P(dstfname); |
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cpb.ioVRefNum = 0; |
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cpb.ioNewName = NULL; |
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cpb.ioNewDirID = dirid; |
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cpb.ioDirID = 0; |
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PBCatMoveSync(&cpb); |
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} |
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} else { |
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/* files on different drive -- do a copy */ |
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if (HCreate(dstvol, dirid, P(dstfname), _fcreator, _ftype) != noErr) { |
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FSClose(srefnum); |
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return; |
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} |
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if (HOpen(dstvol, dirid, P(dstfname), fsWrPerm, &drefnum) != noErr) { |
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FSClose(srefnum); |
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HDelete(dstvol, dirid, P(dstfname)); |
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return; |
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} |
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count = sizeof (copy_buf); |
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while (FSRead(srefnum, &count, (Ptr) copy_buf) != noErr && count > 0) { |
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FSWrite(drefnum, &count, (Ptr) copy_buf); |
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count = sizeof (copy_buf); |
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} |
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FSClose(srefnum); |
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FSClose(drefnum); |
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} |
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} |
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/* Generate a message-id */ |
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char *os_genid() |
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{ |
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char *result; |
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long tick; |
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unsigned long time; |
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tick = TickCount(); |
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result = malloc(64); |
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GetDateTime(&time); |
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HLock((Handle) mpack_prefs); |
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sprintf(result, "%lu.%lu@%s", tick, time, (*mpack_prefs)->internet_host); |
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HUnlock((Handle) mpack_prefs); |
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/* make sure tick count is bumped before we return... */ |
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while (tick == TickCount()); |
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return (result); |
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} |
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/* Create and return directory for a message-id |
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*/ |
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char *os_idtodir(id) |
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char *id; |
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{ |
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static PCstr buf[257]; |
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PCstr idbuf[257]; |
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char *fname; |
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short uqid; |
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OSErr err; |
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long dirID; |
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Handle h; |
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ResType type = 'IDna'; |
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/* prepare filename */ |
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PtoPCstrcpy(buf, (char *) P(pfolder->prefs)); |
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fname = C(buf) + PCstrlen(buf); |
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/* is there a mapping for the id? */ |
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CtoPCstrcpy(idbuf, id); |
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h = GetNamedResource(type, P(idbuf)); |
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/* no mapping -- create one */ |
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if (!h) { |
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while ((uqid = UniqueID(type)) < 128); |
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h = NewHandle(sizeof (short)); |
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if (h) (**(short **)h) = uqid; |
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AddResource(h, type, uqid, P(idbuf)); |
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if ((err = ResError()) != noErr) { |
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return (NULL); |
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} |
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} else { |
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uqid = ** (short **) h; |
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} |
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/* set directory name & create it */ |
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sprintf(fname, "%d:", uqid); |
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SetPlen(buf); |
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err = DirCreate(pfolder->fspec.vRefNum, 0, P(buf), &dirID); |
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if (err != noErr && err != dupFNErr) { |
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RmveResource(h); |
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DisposHandle(h); |
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h = NULL; |
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} |
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return (h ? C(buf) : NULL); |
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} |
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/* |
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* We are done with the directory returned by os_idtodir() |
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* Remove it |
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*/ |
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os_donewithdir(dir) |
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char *dir; |
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{ |
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PCstr buf[257]; |
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short uqid; |
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char *fname; |
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Handle h; |
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CtoPCstrcpy(buf, dir); |
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HDelete(0, 0, P(buf)); |
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fname = strrchr(C(buf), ':'); |
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while (fname > C(buf) && *--fname != ':'); |
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if (fname > C(buf)) { |
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uqid = atoi(fname + 1); |
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h = GetResource('IDna', uqid); |
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if (h) { |
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RmveResource(h); |
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DisposHandle(h); |
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} |
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} |
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} |
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/* rename the description file |
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*/ |
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void renameDescFile(char *fname, short vRefNum, long dirid) |
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{ |
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PCstr tstr[65]; |
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char *p; |
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MapTypeCreator("text/plain", 0); |
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/* save description file */ |
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CtoPCstrcpy(tstr, fname); |
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if (p = strrchr(C(tstr), '.')) *p = '\0'; |
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strcat(C(tstr), ".desc"); |
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SetPlen(tstr); |
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rename_or_copy(TEMPFILENAME, tstr, vRefNum, dirid); |
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(void) remove(TEMPFILENAME); |
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} |
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FILE *os_createnewfile(fname) |
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char *fname; |
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{ |
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return fopen(fname, "w"); |
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} |
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/* |
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* Create a new file, with suggested filename "fname". |
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* "fname" may have come from an insecure source, so clean it up first. |
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* It may also be null. |
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* "contentType" is passed in for use by systems that have typed filesystems. |
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* "flags" contains a bit pattern describing attributes of the new file. |
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*/ |
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FILE *os_newtypedfile(fname, contentType, flags, contentParams) |
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char *fname; |
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char *contentType; |
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int flags; |
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params *contentParams; |
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{ |
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char *p; |
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int applefile; |
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FILE *outfile = 0, *tmpf; |
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StandardFileReply reply; |
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PCstr tstr[257]; |
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if (!fname) fname = ""; |
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/* Translate ':' to underscore */ |
275 |
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for (p=fname; *p; p++) { |
276 |
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if (*p == ':' || !isprint(*p)) *p = '_'; |
277 |
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} |
278 |
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279 |
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/* chop filename to length */ |
280 |
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if (strlen(fname) > 31) { |
281 |
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fname += strlen(fname) - 31; |
282 |
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} |
283 |
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284 |
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/* remove leading periods, to protect from ".SONY" attacks */ |
285 |
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while (*fname == '.') ++fname; |
286 |
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287 |
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/* get filename from user */ |
288 |
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applefile = !strcmp(contentType, "application/applefile"); |
289 |
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if (!applefile || !(flags & FILE_INAPPLEDOUBLE)) { |
290 |
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sprintf(C(tstr), "Found file: %s (%s)", |
291 |
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fname[0] ? fname : "Untitled", contentType); |
292 |
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SetPlen(tstr); |
293 |
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stattext(P(tstr), 1); |
294 |
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} |
295 |
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if (!applefile && (!applefile_flag || !(flags & FILE_INAPPLEDOUBLE))) { |
296 |
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SetCursor(&arrow); |
297 |
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CtoPstr(fname); |
298 |
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NAputFile("\pSave decoded file as:", |
299 |
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fname[0] ? (unsigned char *) fname : "\pUntitled", &reply); |
300 |
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PtoCstr((unsigned char *) fname); |
301 |
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SetCursor(&watch); |
302 |
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statrefresh(); |
303 |
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if (!reply.sfGood) { |
304 |
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didchat = -1; |
305 |
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return (NULL); |
306 |
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} |
307 |
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} |
308 |
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309 |
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/* set the type */ |
310 |
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MapTypeCreator(contentType, 0); |
311 |
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312 |
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/* save file */ |
313 |
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tmpf = tmpfile(); |
314 |
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if (applefile) { |
315 |
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outfile = tmpf; |
316 |
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tmpf = NULL; |
317 |
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} else if ((flags & FILE_INAPPLEDOUBLE) && applefile_flag) { |
318 |
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outfile = Macopen(tmpf, fspec.name, fspec.vRefNum, fspec.parID, |
319 |
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flags & FILE_BINARY, 0, fsWrPerm); |
320 |
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} else { |
321 |
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HCreate(reply.sfFile.vRefNum, reply.sfFile.parID, reply.sfFile.name, _fcreator, _ftype); |
322 |
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outfile = Macopen(tmpf, reply.sfFile.name, reply.sfFile.vRefNum, reply.sfFile.parID, |
323 |
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flags & FILE_BINARY, 0, fsWrPerm); |
324 |
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} |
325 |
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applefile_flag = applefile; |
326 |
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if (tmpf) fclose(tmpf); |
327 |
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PtoCstr(reply.sfFile.name); |
328 |
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fname = (char *) reply.sfFile.name; |
329 |
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if (!outfile) { |
330 |
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sprintf(C(tstr), "Couldn't open file %s", fname); |
331 |
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warn(C(tstr)); |
332 |
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return (0); |
333 |
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} |
334 |
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335 |
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if (output_fname) free(output_fname); |
336 |
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output_fname = strsave(fname); |
337 |
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338 |
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renameDescFile(fname, reply.sfFile.vRefNum, reply.sfFile.parID); |
339 |
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340 |
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return outfile; |
341 |
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} |
342 |
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343 |
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/* |
344 |
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* Close a file opened by os_newTypedFile() |
345 |
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*/ |
346 |
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os_closetypedfile(outfile) |
347 |
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FILE *outfile; |
348 |
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{ |
349 |
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char buf[128]; |
350 |
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|
351 |
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if (applefile_flag) { |
352 |
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rewind(outfile); |
353 |
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if (decode_applefile(outfile, &fspec) < 0) { |
354 |
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sprintf(buf, "Failed to decode file %s", output_fname); |
355 |
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if (didchat >= 0) warn(buf); |
356 |
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applefile_flag = 0; |
357 |
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} |
358 |
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} |
359 |
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360 |
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/* close file */ |
361 |
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fclose(outfile); |
362 |
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} |
363 |
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|
364 |
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/* |
365 |
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* Warn user that the MD5 digest of the last file created by os_newtypedfile() |
366 |
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* did not match that supplied in the Content-MD5: header. |
367 |
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*/ |
368 |
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os_warnMD5mismatch() |
369 |
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{ |
370 |
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char *warning; |
371 |
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372 |
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warning = xmalloc(strlen(output_fname) + 100); |
373 |
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sprintf(warning, "%s was corrupted in transit", |
374 |
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output_fname); |
375 |
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warn(warning); |
376 |
|
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free(warning); |
377 |
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} |
378 |
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|
379 |
|
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/* bring up an error dialog for a file error |
380 |
|
|
*/ |
381 |
|
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void os_perror(char *str) |
382 |
|
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{ |
383 |
|
|
extern int errno; |
384 |
|
|
char *err = strerror(errno), *scan; |
385 |
|
|
char msg[256]; |
386 |
|
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short maxflen; |
387 |
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|
388 |
|
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maxflen = 255 - (strlen(err) + 2); |
389 |
|
|
if (strlen(str) > maxflen) { |
390 |
|
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str += strlen(str) - maxflen; |
391 |
|
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for (scan = str; *scan && *scan++ != ':';); |
392 |
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if (*scan) str = scan; |
393 |
|
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} |
394 |
|
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sprintf(msg, "%s: %s", str, err); |
395 |
|
|
yell(msg); |
396 |
|
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} |