//
// NSWorkspace_RBAdditions.m
// PathProps
//
// Created by Rainer Brockerhoff on 10/04/2007.
// Copyright 2007 Rainer Brockerhoff. All rights reserved.
//
#import "NSWorkspace_RBAdditions.h"
#include <IOKit/IOKitLib.h>
#include <sys/mount.h>
#include <mach/mach.h>
NSString* NSWorkspace_RBfstypename = @"NSWorkspace_RBfstypename";
NSString* NSWorkspace_RBmntonname = @"NSWorkspace_RBmntonname";
NSString* NSWorkspace_RBmntfromname = @"NSWorkspace_RBmntfromname";
NSString* NSWorkspace_RBdeviceinfo = @"NSWorkspace_RBdeviceinfo";
NSString* NSWorkspace_RBimagefilepath = @"NSWorkspace_RBimagefilepath";
NSString* NSWorkspace_RBconnectiontype = @"NSWorkspace_RBconnectiontype";
NSString* NSWorkspace_RBpartitionscheme = @"NSWorkspace_RBpartitionscheme";
NSString* NSWorkspace_RBserverURL = @"NSWorkspace_RBserverURL";
// This static funtion concatenates two strings, but first checks several possibilities...
// like one or the other nil, or one containing the other already.
static NSString* AddPart(NSString* first,NSString* second) {
if (!second) {
return first;
}
second = [second stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
if (first) {
if ([first rangeOfString:second options:NSCaseInsensitiveSearch].location==NSNotFound) {
if ([second rangeOfString:first options:NSCaseInsensitiveSearch].location==NSNotFound) {
return [NSString stringWithFormat:@"%@; %@",first,second];
}
return second;
}
return first;
}
return second;
}
// This static functions recurses "upwards" over the IO registry. Returns strings that are concatenated
// and ultimately end up under the NSWorkspace_RBdeviceinfo key.
// This isn't too robust in that it assumes that objects returned by the objectForKey methods are
// either strings or dictionaries. A "standard" implementations would use either only CoreFoundation and
// IOKit calls for this, or do more robust type checking on the returned objects.
//
// Also notice that this works as determined experimentally in 10.4.9, there's no official docs I could find.
// YMMV, and it may stop working in any new version of Mac OS X.
static NSString* CheckParents(io_object_t thing,NSString* part,NSMutableDictionary* dict) {
NSString* result = part;
io_iterator_t parentsIterator = 0;
kern_return_t kernResult = IORegistryEntryGetParentIterator(thing,kIOServicePlane,&parentsIterator);
if ((kernResult==KERN_SUCCESS)&&parentsIterator) {
io_object_t nextParent = 0;
while ((nextParent = IOIteratorNext(parentsIterator))) {
NSDictionary* props = nil;
NSString* image = nil;
NSString* partition = nil;
NSString* connection = nil;
kernResult = IORegistryEntryCreateCFProperties(nextParent,(CFMutableDictionaryRef*)&props,kCFAllocatorDefault,0);
if (IOObjectConformsTo(nextParent,"IOApplePartitionScheme")) {
partition = [props objectForKey:@"Content Mask"];
} else if (IOObjectConformsTo(nextParent,"IOMedia")) {
partition = [props objectForKey:@"Content"];
} else if (IOObjectConformsTo(nextParent,"IODiskImageBlockStorageDeviceOutKernel")) {
NSData* data = nil;
if ((data = [[props objectForKey:@"Protocol Characteristics"] objectForKey:@"Virtual Interface Location Path"])) {
image = [[[NSString alloc] initWithBytes:[data bytes] length:[data length] encoding:NSUTF8StringEncoding] autorelease];
}
} else if (IOObjectConformsTo(nextParent,"IOHDIXHDDriveInKernel")) {
image = [props objectForKey:@"KDIURLPath"];
}
NSDictionary* subdict;
if ((subdict = [props objectForKey:@"Protocol Characteristics"])) {
connection = [subdict objectForKey:@"Physical Interconnect"];
} else {
connection = [props objectForKey:@"Physical Interconnect"];
}
if (connection) {
[dict setObject:AddPart([dict objectForKey:NSWorkspace_RBconnectiontype],connection) forKey:NSWorkspace_RBconnectiontype];
}
if (partition) {
[dict setObject:partition forKey:NSWorkspace_RBpartitionscheme];
}
if (image) {
[dict setObject:image forKey:NSWorkspace_RBimagefilepath];
}
NSString* value;
if ((subdict = [props objectForKey:@"Device Characteristics"])) {
if ((value = [subdict objectForKey:@"Product Name"])) {
result = AddPart(result,value);
}
if ((value = [subdict objectForKey:@"Product Revision Level"])) {
result = AddPart(result,value);
}
if ((value = [subdict objectForKey:@"Vendor Name"])) {
result = AddPart(result,value);
}
}
if ((value = [props objectForKey:@"USB Serial Number"])) {
result = AddPart(result,value);
}
if ((value = [props objectForKey:@"USB Vendor Name"])) {
result = AddPart(result,value);
}
NSString* cls = [(NSString*)IOObjectCopyClass(nextParent) autorelease];
if (![cls isEqualToString:@"IOPCIDevice"]) {
// Uncomment the following line to have the device tree dumped to the console.
// NSLog(@"=================================> %@:%@\n",cls,props);
result = CheckParents(nextParent,result,dict);
}
IOObjectRelease(nextParent);
}
}
if (parentsIterator) {
IOObjectRelease(parentsIterator);
}
return result;
}
// This formats the (partially undocumented) AFPXMountInfo info into a string.
/*
static NSString* FormatAFPURL(AFPXVolMountInfoPtr mountInfo,NSString** devdesc) {
UInt8* work = ((UInt8*)mountInfo)+mountInfo->serverNameOffset;
if (devdesc) {
*devdesc = [[[NSString alloc] initWithBytes:&work[1] length:work[0] encoding:NSUTF8StringEncoding] autorelease];
}
work = ((UInt8*)mountInfo)+mountInfo->volNameOffset;
NSString* volname = [[[NSString alloc] initWithBytes:&work[1] length:work[0] encoding:NSUTF8StringEncoding] autorelease];
work = ((UInt8*)mountInfo)+mountInfo->alternateAddressOffset;
AFPAlternateAddress* afpa = (AFPAlternateAddress*)work;
AFPTagData* afpta = (AFPTagData*)(&afpa->fAddressList);
NSString* ip = nil;
NSString* dns = nil;
int i = afpa->fAddressCount;
while ((i-->0)) {
switch (afpta->fType) {
case kAFPTagTypeIP:
if (!ip) {
ip = [[[NSString alloc] initWithBytes:&afpta->fData[0] length:afpta->fLength-2 encoding:NSUTF8StringEncoding] autorelease];
}
break;
case kAFPTagTypeIPPort:
ip = [NSString stringWithFormat:@"%u.%u.%u.%u:%u",afpta->fData[0],afpta->fData[1],afpta->fData[2],afpta->fData[3],OSSwapBigToHostInt16(*(UInt16*)&afpta->fData[4])];
break;
case kAFPTagTypeDNS:
dns = [[[NSString alloc] initWithBytes:&afpta->fData[0] length:afpta->fLength-2 encoding:NSUTF8StringEncoding] autorelease];
break;
case 0x07:
ip = [NSString stringWithFormat:@"[%x:%x:%x:%x:%x:%x:%x:%x]",OSSwapBigToHostInt16(*(UInt16*)&afpta->fData[0]),
OSSwapBigToHostInt16(*(UInt16*)&afpta->fData[2]),OSSwapBigToHostInt16(*(UInt16*)&afpta->fData[4]),
OSSwapBigToHostInt16(*(UInt16*)&afpta->fData[6]),OSSwapBigToHostInt16(*(UInt16*)&afpta->fData[8]),
OSSwapBigToHostInt16(*(UInt16*)&afpta->fData[10]),OSSwapBigToHostInt16(*(UInt16*)&afpta->fData[12]),
OSSwapBigToHostInt16(*(UInt16*)&afpta->fData[14])];
break;
}
afpta = (AFPTagData*)((char*)afpta+afpta->fLength);
}
return [NSString stringWithFormat:@"afp://%@/%@",dns?:(ip?:@""),volname];
}
*/
@implementation NSWorkspace (NSWorkspace_RBAdditions)
// Returns a NSDictionary with properties for the path. See details in the .h file.
// This assumes that the length of path is less than PATH_MAX (currently 1024 characters).
- (NSDictionary*)propertiesForPath:(NSString*)path {
const char* ccpath = (const char*)[path fileSystemRepresentation];
NSMutableDictionary* result = nil;
struct statfs fs;
if (!statfs(ccpath,&fs)) {
NSString* from = [NSString stringWithUTF8String:fs.f_mntfromname];
result = [NSMutableDictionary dictionaryWithObjectsAndKeys:
[NSString stringWithUTF8String:fs.f_fstypename],NSWorkspace_RBfstypename,
[NSString stringWithUTF8String:fs.f_mntonname],NSWorkspace_RBmntonname,
nil];
if (strncmp(fs.f_mntfromname,"/dev/",5)==0) {
// For a local volume,get the IO registry tree and search it for further info.
mach_port_t masterPort = 0;
io_iterator_t mediaIterator = 0;
kern_return_t kernResult = IOMasterPort(bootstrap_port,&masterPort);
if (kernResult==KERN_SUCCESS) {
CFMutableDictionaryRef classesToMatch = IOBSDNameMatching(masterPort,0,&fs.f_mntfromname[5]);
if (classesToMatch) {
kernResult = IOServiceGetMatchingServices(masterPort,classesToMatch,&mediaIterator);
if ((kernResult==KERN_SUCCESS)&&mediaIterator) {
io_object_t firstMedia = 0;
while ((firstMedia = IOIteratorNext(mediaIterator))) {
NSString* stuff = CheckParents(firstMedia,nil,result);
if (stuff) {
[result setObject:stuff forKey:NSWorkspace_RBdeviceinfo];
}
IOObjectRelease(firstMedia);
}
}
}
}
if (mediaIterator) {
IOObjectRelease(mediaIterator);
}
if (masterPort) {
mach_port_deallocate(mach_task_self(),masterPort);
}
}
//Don't need this for disk images, gets around warnings for some deprecated functions
/* else {
// For a network volume, get the volume reference number and use to get the server URL.
FSRef ref;
if (FSPathMakeRef((const UInt8*)ccpath,&ref,NULL)==noErr) {
FSCatalogInfo info;
if (FSGetCatalogInfo(&ref,kFSCatInfoVolume,&info,NULL,NULL,NULL)==noErr) {
ParamBlockRec pb;
UInt16 vmisize = 0;
VolumeMountInfoHeaderPtr mountInfo = NULL;
pb.ioParam.ioCompletion = NULL;
pb.ioParam.ioNamePtr = NULL;
pb.ioParam.ioVRefNum = info.volume;
pb.ioParam.ioBuffer = (Ptr)&vmisize;
pb.ioParam.ioReqCount = sizeof(vmisize);
if ((PBGetVolMountInfoSize(&pb)==noErr)&&vmisize) {
mountInfo = (VolumeMountInfoHeaderPtr)malloc(vmisize);
if (mountInfo) {
pb.ioParam.ioBuffer = (Ptr)mountInfo;
pb.ioParam.ioReqCount = vmisize;
if (PBGetVolMountInfo(&pb)==noErr) {
NSString* url = nil;
switch (mountInfo->media) {
case AppleShareMediaType:
url = FormatAFPURL((AFPXVolMountInfoPtr)mountInfo,&from);
break;
case 'http':
url = from;
break;
case 'crbm':
case 'nfs_':
case 'cifs':
url = [NSString stringWithUTF8String:(char*)mountInfo+sizeof(VolumeMountInfoHeader)+sizeof(OSType)];
break;
}
if (url) {
[result setObject:url forKey:NSWorkspace_RBserverURL];
}
}
}
free(mountInfo);
}
}
}
}*/
[result setObject:from forKey:NSWorkspace_RBmntfromname];
}
return result;
}
@end