mirror of
https://git.tartarus.org/simon/putty.git
synced 2025-01-10 18:07:59 +00:00
468 lines
11 KiB
C
468 lines
11 KiB
C
/* $Id: macstore.c,v 1.12 2003/01/21 00:27:24 ben Exp $ */
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/*
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* macstore.c: Macintosh-specific impementation of the interface
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* defined in storage.h
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*/
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#include <MacTypes.h>
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#include <Folders.h>
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#include <Memory.h>
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#include <Resources.h>
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#include <TextUtils.h>
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#include <stdio.h>
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#include <string.h>
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#include "putty.h"
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#include "storage.h"
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#include "mac.h"
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#include "macresid.h"
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OSErr FSpGetDirID(FSSpec *f, long *idp, Boolean makeit);
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/*
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* We store each session as a file in the "PuTTY" sub-directory of the
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* preferences folder. Each (key,value) pair is stored as a resource.
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*/
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OSErr get_putty_dir(Boolean makeit, short *pVRefNum, long *pDirID)
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{
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OSErr error = noErr;
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short prefVRefNum;
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FSSpec puttydir;
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long prefDirID, puttyDirID;
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error = FindFolder(kOnSystemDisk, kPreferencesFolderType, makeit,
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&prefVRefNum, &prefDirID);
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if (error != noErr) goto out;
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error = FSMakeFSSpec(prefVRefNum, prefDirID, "\pPuTTY", &puttydir);
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if (error != noErr && error != fnfErr) goto out;
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error = FSpGetDirID(&puttydir, &puttyDirID, makeit);
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if (error != noErr) goto out;
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*pVRefNum = prefVRefNum;
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*pDirID = puttyDirID;
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out:
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return error;
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}
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OSErr get_session_dir(Boolean makeit, short *pVRefNum, long *pDirID) {
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OSErr error = noErr;
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short puttyVRefNum;
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FSSpec sessdir;
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long puttyDirID, sessDirID;
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error = get_putty_dir(makeit, &puttyVRefNum, &puttyDirID);
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if (error != noErr) goto out;
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error = FSMakeFSSpec(puttyVRefNum, puttyDirID, "\pSaved Sessions",
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&sessdir);
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if (error != noErr && error != fnfErr) goto out;
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error = FSpGetDirID(&sessdir, &sessDirID, makeit);
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if (error != noErr) goto out;
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*pVRefNum = puttyVRefNum;
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*pDirID = sessDirID;
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out:
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return error;
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}
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OSErr FSpGetDirID(FSSpec *f, long *idp, Boolean makeit) {
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CInfoPBRec pb;
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OSErr error = noErr;
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pb.dirInfo.ioNamePtr = f->name;
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pb.dirInfo.ioVRefNum = f->vRefNum;
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pb.dirInfo.ioDrDirID = f->parID;
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pb.dirInfo.ioFDirIndex = 0;
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error = PBGetCatInfoSync(&pb);
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if (error == fnfErr && makeit)
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return FSpDirCreate(f, smSystemScript, idp);
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if (error != noErr) goto out;
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if ((pb.dirInfo.ioFlAttrib & ioDirMask) == 0) {
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error = dirNFErr;
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goto out;
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}
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*idp = pb.dirInfo.ioDrDirID;
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out:
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return error;
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}
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/* Copy a resource into the current resource file */
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static OSErr copy_resource(ResType restype, short resid)
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{
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Handle h;
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Str255 resname;
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h = GetResource(restype, resid);
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if (h != NULL) {
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GetResInfo(h, &resid, &restype, resname);
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DetachResource(h);
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AddResource(h, restype, resid, resname);
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if (ResError() == noErr)
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WriteResource(h);
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}
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return ResError();
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}
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struct write_settings {
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int fd;
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FSSpec tmpfile;
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FSSpec dstfile;
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};
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void *open_settings_w(char const *sessionname) {
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short sessVRefNum;
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long sessDirID;
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OSErr error;
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Str255 psessionname;
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FSSpec dstfile;
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error = get_session_dir(kCreateFolder, &sessVRefNum, &sessDirID);
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if (error != noErr) return NULL;
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c2pstrcpy(psessionname, sessionname);
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error = FSMakeFSSpec(sessVRefNum, sessDirID, psessionname, &dstfile);
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if (error == fnfErr) {
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FSpCreateResFile(&dstfile, PUTTY_CREATOR, SESS_TYPE, smSystemScript);
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if ((error = ResError()) != noErr) return NULL;
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} else if (error != noErr) return NULL;
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return open_settings_w_fsp(&dstfile);
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}
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/*
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* NB: Destination file must exist.
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*/
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void *open_settings_w_fsp(FSSpec *dstfile)
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{
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short tmpVRefNum;
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long tmpDirID;
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struct write_settings *ws;
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OSErr error;
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Str255 tmpname;
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ws = smalloc(sizeof *ws);
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ws->dstfile = *dstfile;
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/* Create a temporary file to save to first. */
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error = FindFolder(ws->dstfile.vRefNum, kTemporaryFolderType,
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kCreateFolder, &tmpVRefNum, &tmpDirID);
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if (error != noErr) goto out;
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c2pstrcpy(tmpname, tmpnam(NULL));
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error = FSMakeFSSpec(tmpVRefNum, tmpDirID, tmpname, &ws->tmpfile);
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if (error != noErr && error != fnfErr) goto out;
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if (error == noErr) {
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error = FSpDelete(&ws->tmpfile);
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if (error != noErr) goto out;
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}
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FSpCreateResFile(&ws->tmpfile, PUTTY_CREATOR, SESS_TYPE, smSystemScript);
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if ((error = ResError()) != noErr) goto out;
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ws->fd = FSpOpenResFile(&ws->tmpfile, fsWrPerm);
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if (ws->fd == -1) {error = ResError(); goto out;}
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/* Set up standard resources. Doesn't matter if these fail. */
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copy_resource('STR ', -16396);
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copy_resource('TMPL', TMPL_Int);
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return ws;
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out:
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safefree(ws);
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fatalbox("Failed to open session for write (%d)", error);
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}
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void write_setting_s(void *handle, char const *key, char const *value) {
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int fd = *(int *)handle;
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Handle h;
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int id;
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OSErr error;
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UseResFile(fd);
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if (ResError() != noErr)
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fatalbox("Failed to open saved session (%d)", ResError());
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error = PtrToHand(value, &h, strlen(value));
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if (error != noErr)
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fatalbox("Failed to allocate memory");
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/* Put the data in a resource. */
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id = Unique1ID(FOUR_CHAR_CODE('TEXT'));
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if (ResError() != noErr)
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fatalbox("Failed to get ID for resource %s (%d)", key, ResError());
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addresource(h, FOUR_CHAR_CODE('TEXT'), id, key);
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if (ResError() != noErr)
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fatalbox("Failed to add resource %s (%d)", key, ResError());
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}
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void write_setting_i(void *handle, char const *key, int value) {
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int fd = *(int *)handle;
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Handle h;
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int id;
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OSErr error;
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UseResFile(fd);
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if (ResError() != noErr)
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fatalbox("Failed to open saved session (%d)", ResError());
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/* XXX assume all systems have the same "int" format */
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error = PtrToHand(&value, &h, sizeof(int));
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if (error != noErr)
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fatalbox("Failed to allocate memory (%d)", error);
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/* Put the data in a resource. */
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id = Unique1ID(FOUR_CHAR_CODE('Int '));
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if (ResError() != noErr)
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fatalbox("Failed to get ID for resource %s (%d)", key, ResError());
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addresource(h, FOUR_CHAR_CODE('Int '), id, key);
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if (ResError() != noErr)
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fatalbox("Failed to add resource %s (%d)", key, ResError());
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}
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void close_settings_w(void *handle) {
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struct write_settings *ws = handle;
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OSErr error;
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CloseResFile(ws->fd);
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if ((error = ResError()) != noErr)
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goto out;
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error = FSpExchangeFiles(&ws->tmpfile, &ws->dstfile);
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if (error != noErr) goto out;
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error = FSpDelete(&ws->tmpfile);
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if (error != noErr) goto out;
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return;
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out:
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fatalbox("Close of saved session failed (%d)", error);
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safefree(handle);
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}
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void *open_settings_r(char const *sessionname)
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{
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short sessVRefNum;
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long sessDirID;
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FSSpec sessfile;
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OSErr error;
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Str255 psessionname;
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error = get_session_dir(kDontCreateFolder, &sessVRefNum, &sessDirID);
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c2pstrcpy(psessionname, sessionname);
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error = FSMakeFSSpec(sessVRefNum, sessDirID, psessionname, &sessfile);
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if (error != noErr) goto out;
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return open_settings_r_fsp(&sessfile);
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out:
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return NULL;
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}
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void *open_settings_r_fsp(FSSpec *sessfile)
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{
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OSErr error;
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int fd;
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int *handle;
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fd = FSpOpenResFile(sessfile, fsRdPerm);
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if (fd == 0) {error = ResError(); goto out;}
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handle = safemalloc(sizeof *handle);
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*handle = fd;
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return handle;
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out:
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return NULL;
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}
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char *read_setting_s(void *handle, char const *key, char *buffer, int buflen) {
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int fd;
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Handle h;
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size_t len;
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if (handle == NULL) goto out;
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fd = *(int *)handle;
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UseResFile(fd);
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if (ResError() != noErr) goto out;
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h = get1namedresource(FOUR_CHAR_CODE('TEXT'), key);
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if (h == NULL) goto out;
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len = GetHandleSize(h);
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if (len + 1 > buflen) goto out;
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memcpy(buffer, *h, len);
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buffer[len] = '\0';
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ReleaseResource(h);
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if (ResError() != noErr) goto out;
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return buffer;
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out:
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return NULL;
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}
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int read_setting_i(void *handle, char const *key, int defvalue) {
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int fd;
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Handle h;
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int value;
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if (handle == NULL) goto out;
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fd = *(int *)handle;
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UseResFile(fd);
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if (ResError() != noErr) goto out;
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h = get1namedresource(FOUR_CHAR_CODE('Int '), key);
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if (h == NULL) goto out;
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value = *(int *)*h;
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ReleaseResource(h);
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if (ResError() != noErr) goto out;
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return value;
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out:
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return defvalue;
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}
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void close_settings_r(void *handle) {
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int fd;
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if (handle == NULL) return;
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fd = *(int *)handle;
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CloseResFile(fd);
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if (ResError() != noErr)
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fatalbox("Close of saved session failed (%d)", ResError());
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safefree(handle);
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}
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void del_settings(char const *sessionname) {
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OSErr error;
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FSSpec sessfile;
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short sessVRefNum;
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long sessDirID;
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Str255 psessionname;
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error = get_session_dir(kDontCreateFolder, &sessVRefNum, &sessDirID);
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c2pstrcpy(psessionname, sessionname);
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error = FSMakeFSSpec(sessVRefNum, sessDirID, psessionname, &sessfile);
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if (error != noErr) goto out;
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error = FSpDelete(&sessfile);
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return;
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out:
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fatalbox("Delete session failed (%d)", error);
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}
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struct enum_settings_state {
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short vRefNum;
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long dirID;
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int index;
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};
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void *enum_settings_start(void) {
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OSErr error;
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struct enum_settings_state *state;
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state = safemalloc(sizeof(*state));
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error = get_session_dir(kDontCreateFolder, &state->vRefNum, &state->dirID);
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if (error != noErr) {
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safefree(state);
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return NULL;
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}
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state->index = 1;
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return state;
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}
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char *enum_settings_next(void *handle, char *buffer, int buflen) {
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struct enum_settings_state *e = handle;
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CInfoPBRec pb;
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OSErr error = noErr;
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Str255 name;
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if (e == NULL) return NULL;
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do {
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pb.hFileInfo.ioNamePtr = name;
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pb.hFileInfo.ioVRefNum = e->vRefNum;
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pb.hFileInfo.ioDirID = e->dirID;
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pb.hFileInfo.ioFDirIndex = e->index++;
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error = PBGetCatInfoSync(&pb);
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if (error != noErr) return NULL;
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} while (!((pb.hFileInfo.ioFlAttrib & ioDirMask) == 0 &&
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pb.hFileInfo.ioFlFndrInfo.fdCreator == PUTTY_CREATOR &&
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pb.hFileInfo.ioFlFndrInfo.fdType == SESS_TYPE &&
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name[0] < buflen));
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p2cstrcpy(buffer, name);
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return buffer;
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}
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void enum_settings_finish(void *handle) {
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safefree(handle);
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}
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#define SEED_SIZE 512
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void read_random_seed(noise_consumer_t consumer)
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{
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short puttyVRefNum;
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long puttyDirID;
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OSErr error;
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char buf[SEED_SIZE];
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short refnum;
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long count = SEED_SIZE;
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if (get_putty_dir(kDontCreateFolder, &puttyVRefNum, &puttyDirID) != noErr)
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return;
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if (HOpenDF(puttyVRefNum, puttyDirID, "\pPuTTY Random Seed", fsRdPerm,
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&refnum) != noErr)
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return;
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error = FSRead(refnum, &count, buf);
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if (error != noErr && error != eofErr)
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return;
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(*consumer)(buf, count);
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FSClose(refnum);
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}
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/*
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* We don't bother with the usual FSpExchangeFiles dance here because
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* it doesn't really matter if the old random seed gets lost.
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*/
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void write_random_seed(void *data, int len)
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{
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short puttyVRefNum;
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long puttyDirID;
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OSErr error;
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FSSpec dstfile;
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short refnum;
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long count = len;
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if (get_putty_dir(kCreateFolder, &puttyVRefNum, &puttyDirID) != noErr)
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return;
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error = FSMakeFSSpec(puttyVRefNum, puttyDirID, "\pPuTTY Random Seed",
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&dstfile);
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if (error == fnfErr) {
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/* Set up standard resources */
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FSpCreateResFile(&dstfile, INTERNAL_CREATOR, SEED_TYPE, smRoman);
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refnum = FSpOpenResFile(&dstfile, fsWrPerm);
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if (ResError() == noErr) {
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copy_resource('STR ', -16397);
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CloseResFile(refnum);
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}
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} else if (error != noErr) return;
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if (FSpOpenDF(&dstfile, fsWrPerm, &refnum) != noErr) return;
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FSWrite(refnum, &count, data);
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FSClose(refnum);
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return;
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}
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/*
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* Emacs magic:
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* Local Variables:
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* c-file-style: "simon"
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* End:
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*/
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