mirror of
https://github.com/ksherlock/mpw.git
synced 2024-11-22 15:31:50 +00:00
463 lines
9.4 KiB
C++
463 lines
9.4 KiB
C++
/*
|
|
* Copyright (c) 2013, Kelvin W Sherlock
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright notice, this
|
|
* list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
|
|
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
|
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
*/
|
|
|
|
#include <cerrno>
|
|
#include <cctype>
|
|
#include <ctime>
|
|
#include <algorithm>
|
|
#include <chrono>
|
|
#include <deque>
|
|
#include <string>
|
|
|
|
#include <sys/xattr.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/paths.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <fcntl.h>
|
|
|
|
#include <strings.h>
|
|
|
|
#include <cpu/defs.h>
|
|
#include <cpu/CpuModule.h>
|
|
#include <cpu/fmem.h>
|
|
|
|
#include <macos/errors.h>
|
|
|
|
#include "os.h"
|
|
#include "os_internal.h"
|
|
#include "toolbox.h"
|
|
#include "stackframe.h"
|
|
|
|
|
|
using ToolBox::Log;
|
|
using OS::Internal::errno_to_oserr;
|
|
|
|
namespace {
|
|
|
|
// FSSpec garbage
|
|
class FSSpecManager
|
|
{
|
|
public:
|
|
|
|
static const std::string &pathForID(int32_t id);
|
|
static int32_t idForPath(const std::string &path, bool insert = true);
|
|
|
|
static void Init();
|
|
|
|
private:
|
|
|
|
struct Entry
|
|
{
|
|
#if 0
|
|
Entry(std::string &&p) : path(p), hash(std::hash(path))
|
|
{}
|
|
Entry(const std::string &p) : path(p), hash(std::hash(path))
|
|
{}
|
|
#endif
|
|
|
|
Entry(const std::string &p, size_t h) :
|
|
path(p), hash(h)
|
|
{}
|
|
|
|
Entry(std::string &&p, size_t h) :
|
|
path(p), hash(h)
|
|
{}
|
|
|
|
std::string path;
|
|
size_t hash;
|
|
};
|
|
|
|
static std::deque<Entry> _pathQueue;
|
|
};
|
|
|
|
std::deque<FSSpecManager::Entry> FSSpecManager::_pathQueue;
|
|
|
|
void FSSpecManager::Init()
|
|
{
|
|
static bool initialized = false;
|
|
|
|
if (!initialized)
|
|
{
|
|
// "/" is item #1
|
|
idForPath("/", true);
|
|
initialized = true;
|
|
}
|
|
|
|
}
|
|
|
|
int32_t FSSpecManager::idForPath(const std::string &path, bool insert)
|
|
{
|
|
/*
|
|
char buffer[PATH_MAX + 1];
|
|
|
|
char *cp = realpath(path.c_str(), buffer);
|
|
if (!cp) return -1;
|
|
|
|
std::string s(cp);
|
|
*/
|
|
|
|
std::hash<std::string> hasher;
|
|
size_t hash = hasher(path);
|
|
|
|
int i = 1;
|
|
for (const auto &e : _pathQueue)
|
|
{
|
|
if (e.hash == hash && e.path == path) return i;
|
|
++i;
|
|
}
|
|
|
|
if (!insert) return -1;
|
|
|
|
_pathQueue.emplace_back(FSSpecManager::Entry(path, hash));
|
|
return _pathQueue.size();
|
|
}
|
|
|
|
|
|
const std::string &FSSpecManager::pathForID(int32_t id)
|
|
{
|
|
static std::string NullString;
|
|
if (id < 1) return NullString;
|
|
if (id > _pathQueue.size()) return NullString;
|
|
|
|
return _pathQueue[id - 1].path;
|
|
}
|
|
|
|
}
|
|
|
|
namespace OS {
|
|
|
|
/*
|
|
|
|
struct FSSpec {
|
|
short vRefNum;
|
|
long parID;
|
|
StrFileName name; // a Str63 on MacOS
|
|
};
|
|
*/
|
|
|
|
// MacOS: -> { -1, 1, "MacOS" }
|
|
// MacOS:dumper -> {-1, 2 "dumper"}
|
|
|
|
uint16_t FSMakeFSSpec(void)
|
|
{
|
|
// FSMakeFSSpec(vRefNum: Integer; dirID: LongInt; fileName: Str255; VAR spec: FSSpec): OSErr;
|
|
|
|
/*
|
|
* See Chapter 2, File Manager / Using the File Manager, 2-35
|
|
*
|
|
*
|
|
*/
|
|
|
|
uint16_t vRefNum;
|
|
uint32_t dirID;
|
|
uint32_t fileName;
|
|
uint32_t spec;
|
|
|
|
|
|
|
|
|
|
StackFrame<14>(vRefNum, dirID, fileName, spec);
|
|
|
|
std::string sname = ToolBox::ReadPString(fileName, true);
|
|
Log(" FSMakeFSSpec(%04x, %08x, %s, %08x)\n",
|
|
vRefNum, dirID, sname.c_str(), spec);
|
|
|
|
if (vRefNum == 0 && dirID > 0 && sname.length())
|
|
{
|
|
// SC uses dirID + relative path.
|
|
|
|
std::string root = FSSpecManager::pathForID(dirID);
|
|
if (root.empty())
|
|
{
|
|
std::memset(memoryPointer(spec), 0, 8);
|
|
return MacOS::dirNFErr;
|
|
}
|
|
|
|
sname = root + sname;
|
|
dirID = 0;
|
|
}
|
|
|
|
bool absolute = sname.length() ? sname[0] == '/' : false;
|
|
if (absolute || (vRefNum == 0 && dirID == 0))
|
|
{
|
|
char buffer[PATH_MAX + 1];
|
|
|
|
// TODO -- FSSpecs are valid for non-existant files
|
|
// but not non-existant directories.
|
|
// realpath does not behave in such a manner.
|
|
|
|
// expand the path. Also handles relative paths.
|
|
char *cp = realpath(sname.c_str(), buffer);
|
|
if (!cp)
|
|
{
|
|
std::memset(memoryPointer(spec), 0, 8);
|
|
return MacOS::mFulErr;
|
|
}
|
|
|
|
std::string leaf;
|
|
std::string path;
|
|
|
|
|
|
path.assign(cp);
|
|
|
|
// if sname is null then the target is the default directory...
|
|
// so this should be ok.
|
|
|
|
int pos = path.find_last_of('/');
|
|
if (pos == path.npos)
|
|
{
|
|
// ? should never happen...
|
|
std::swap(leaf, path);
|
|
}
|
|
else
|
|
{
|
|
leaf = path.substr(pos + 1);
|
|
path = path.substr(0, pos + 1); // include the /
|
|
}
|
|
|
|
int parentID = FSSpecManager::idForPath(path, true);
|
|
|
|
memoryWriteWord(vRefNum, spec + 0);
|
|
memoryWriteLong(parentID, spec + 2);
|
|
// write the filename...
|
|
ToolBox::WritePString(spec + 6, leaf);
|
|
|
|
// TODO -- return fnf if file does not exist.
|
|
return 0;
|
|
}
|
|
|
|
else
|
|
{
|
|
fprintf(stderr, "FSMakeFSSpec(%04x, %08x) not yet supported\n", vRefNum, dirID);
|
|
exit(1);
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
uint16_t FSpGetFInfo()
|
|
{
|
|
// FSpGetFInfo (spec: FSSpec; VAR fndrInfo: FInfo): OSErr;
|
|
|
|
uint32_t spec;
|
|
uint32_t finderInfo;
|
|
|
|
StackFrame<8>(spec, finderInfo);
|
|
|
|
int parentID = memoryReadLong(spec + 2);
|
|
|
|
std::string leaf = ToolBox::ReadPString(spec + 6, false);
|
|
std::string path = FSSpecManager::pathForID(parentID);
|
|
|
|
path += leaf;
|
|
|
|
Log(" FSpGetFInfo(%s, %08x)\n", path.c_str(), finderInfo);
|
|
|
|
|
|
|
|
Internal::GetFinderInfo(path, memoryPointer(finderInfo), false);
|
|
return 0;
|
|
}
|
|
|
|
uint16_t FSpSetFInfo()
|
|
{
|
|
// FSpSetFInfo (spec: FSSpec; VAR fndrInfo: FInfo): OSErr;
|
|
|
|
uint32_t spec;
|
|
uint32_t finderInfo;
|
|
uint16_t d0;
|
|
|
|
StackFrame<8>(spec, finderInfo);
|
|
|
|
int parentID = memoryReadLong(spec + 2);
|
|
|
|
std::string leaf = ToolBox::ReadPString(spec + 6, false);
|
|
std::string path = FSSpecManager::pathForID(parentID);
|
|
|
|
path += leaf;
|
|
|
|
Log(" FSpSetFInfo(%s, %08x)\n", path.c_str(), finderInfo);
|
|
|
|
|
|
d0 = Internal::SetFinderInfo(path, memoryPointer(finderInfo), false);
|
|
|
|
return d0;
|
|
}
|
|
|
|
|
|
|
|
uint16_t ResolveAliasFile()
|
|
{
|
|
uint32_t spec;
|
|
uint16_t resolveAliasChains;
|
|
uint32_t targetIsFolder;
|
|
uint32_t wasAliased;
|
|
|
|
StackFrame<14>(spec, resolveAliasChains, targetIsFolder, wasAliased);
|
|
|
|
int parentID = memoryReadLong(spec + 2);
|
|
|
|
std::string leaf = ToolBox::ReadPString(spec + 6, false);
|
|
std::string path = FSSpecManager::pathForID(parentID);
|
|
|
|
path += leaf;
|
|
|
|
Log(" ResolveAliasFile(%s)\n", path.c_str());
|
|
|
|
struct stat st;
|
|
int rv;
|
|
|
|
rv = ::stat(path.c_str(), &st);
|
|
if (rv < 0) return errno_to_oserr(errno);
|
|
|
|
if (targetIsFolder)
|
|
{
|
|
memoryWriteWord(S_ISDIR(st.st_mode) ? 1 : 0, targetIsFolder);
|
|
}
|
|
|
|
// don't bother pretending a soft link is an alias.
|
|
if (wasAliased) memoryWriteWord(0, wasAliased);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
uint16_t HighLevelHFSDispatch(uint16_t trap)
|
|
{
|
|
|
|
uint16_t selector;
|
|
|
|
FSSpecManager::Init();
|
|
|
|
selector = cpuGetDReg(0) & 0xffff;
|
|
Log("%04x HighLevelHFSDispatch(%04x)\n", trap, selector);
|
|
|
|
switch (selector)
|
|
{
|
|
case 0x0001:
|
|
return FSMakeFSSpec();
|
|
break;
|
|
|
|
case 0x0007:
|
|
return FSpGetFInfo();
|
|
break;
|
|
|
|
case 0x0008:
|
|
return FSpSetFInfo();
|
|
break;
|
|
|
|
default:
|
|
fprintf(stderr, "selector %04x not yet supported\n", selector);
|
|
exit(1);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
uint16_t HGetVol(uint16_t trap)
|
|
{
|
|
uint32_t parm = cpuGetAReg(0);
|
|
|
|
Log("%04x HGetVol(%08x)\n", trap, parm);
|
|
|
|
//uint32_t ioCompletion = memoryReadLong(parm + 12);
|
|
uint32_t namePtr = memoryReadLong(parm + 18);
|
|
|
|
// ioResult
|
|
memoryWriteWord(0, parm + 16);
|
|
// ioVRefNum
|
|
memoryWriteWord(0, parm + 22);
|
|
|
|
// ioWDProcID
|
|
memoryWriteLong(0, parm + 28);
|
|
|
|
// ioWDVRefNum
|
|
memoryWriteWord(0, parm + 32);
|
|
|
|
|
|
// todo -- this should create an FSSpec entry for
|
|
// the current wd and return the id.
|
|
// (FSMakeSpec handles 0 as a dir, so ok for now)
|
|
// ioWDDirID
|
|
memoryWriteLong(0, parm + 48);
|
|
|
|
std::string tmp = "MacOS";
|
|
ToolBox::WritePString(namePtr, tmp);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
uint16_t HOpen(uint16_t trap)
|
|
{
|
|
|
|
int fd;
|
|
int d0;
|
|
|
|
|
|
uint32_t parm = cpuGetAReg(0);
|
|
|
|
Log("%04x HOpen(%08x)\n", trap, parm);
|
|
|
|
uint32_t ioNamePtr = memoryReadLong(parm + 18);
|
|
uint8_t ioPermission = memoryReadByte(parm + 27);
|
|
uint32_t ioDirID = memoryReadLong(parm + 48);
|
|
|
|
std::string sname = ToolBox::ReadPString(ioNamePtr, true);
|
|
bool absolute = sname.length() ? sname[0] == '/' : 0;
|
|
|
|
if (ioDirID && !absolute)
|
|
{
|
|
std::string dir = FSSpecManager::pathForID(ioDirID);
|
|
if (dir.empty())
|
|
{
|
|
d0 = MacOS::dirNFErr;
|
|
memoryWriteWord(d0, parm + 16);
|
|
|
|
return d0;
|
|
}
|
|
sname = dir + sname;
|
|
}
|
|
|
|
fd = Internal::FDEntry::open(sname, ioPermission, false);
|
|
|
|
d0 = fd < 0 ? fd : 0;
|
|
if (fd >= 0)
|
|
{
|
|
memoryWriteWord(fd, parm + 24);
|
|
}
|
|
|
|
memoryWriteWord(d0, parm + 16);
|
|
return d0;
|
|
}
|
|
|
|
|
|
} |