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--- xnu/xnu-792/iokit/bsddev/IOKitBSDInit.cpp
+++ xnu/xnu-1504.7.4/iokit/bsddev/IOKitBSDInit.cpp
@@ -1,27 +1,34 @@
/*
- * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 1998-2008 Apple Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
*
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
*
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
#include <IOKit/IOBSD.h>
#include <IOKit/IOLib.h>
#include <IOKit/IOService.h>
+#include <IOKit/IOCatalogue.h>
#include <IOKit/IODeviceTreeSupport.h>
#include <IOKit/IOKitKeys.h>
#include <IOKit/IOPlatformExpert.h>
@@ -30,19 +37,88 @@
#include <pexpert/pexpert.h>
#include <kern/clock.h>
+#include <uuid/uuid.h>
// how long to wait for matching root device, secs
-#define ROOTDEVICETIMEOUT 60
+#if DEBUG
+#define ROOTDEVICETIMEOUT 120
+#else
+#define ROOTDEVICETIMEOUT 60
+#endif
extern dev_t mdevadd(int devid, ppnum_t base, unsigned int size, int phys);
extern dev_t mdevlookup(int devid);
+extern void mdevremoveall(void);
kern_return_t
IOKitBSDInit( void )
{
IOService::publishResource("IOBSD");
-
+
return( kIOReturnSuccess );
+}
+
+void
+IOServicePublishResource( const char * property, boolean_t value )
+{
+ if ( value)
+ IOService::publishResource( property, kOSBooleanTrue );
+ else
+ IOService::getResourceService()->removeProperty( property );
+}
+
+boolean_t
+IOServiceWaitForMatchingResource( const char * property, uint64_t timeout )
+{
+ OSDictionary * dict = 0;
+ IOService * match = 0;
+ boolean_t found = false;
+
+ do {
+
+ dict = IOService::resourceMatching( property );
+ if( !dict)
+ continue;
+ match = IOService::waitForMatchingService( dict, timeout );
+ if ( match)
+ found = true;
+
+ } while( false );
+
+ if( dict)
+ dict->release();
+ if( match)
+ match->release();
+
+ return( found );
+}
+
+boolean_t
+IOCatalogueMatchingDriversPresent( const char * property )
+{
+ OSDictionary * dict = 0;
+ OSOrderedSet * set = 0;
+ SInt32 generationCount = 0;
+ boolean_t found = false;
+
+ do {
+
+ dict = OSDictionary::withCapacity(1);
+ if( !dict)
+ continue;
+ dict->setObject( property, kOSBooleanTrue );
+ set = gIOCatalogue->findDrivers( dict, &generationCount );
+ if ( set && (set->getCount() > 0))
+ found = true;
+
+ } while( false );
+
+ if( dict)
+ dict->release();
+ if( set)
+ set->release();
+
+ return( found );
}
OSDictionary * IOBSDNameMatching( const char * name )
@@ -115,10 +191,10 @@
len = strlen( kIODeviceTreePlane ":" );
maxLen -= len;
- if( maxLen < 0)
- continue;
-
- strcpy( buf, kIODeviceTreePlane ":" );
+ if( maxLen <= 0)
+ continue;
+
+ strlcpy( buf, kIODeviceTreePlane ":", len + 1 );
comp = buf + len;
// remove parameters following ':' from the path
@@ -128,10 +204,9 @@
len = skip - path;
maxLen -= len;
- if( maxLen < 0)
- continue;
- strncpy( comp, path, len );
- comp[ len ] = 0;
+ if( maxLen <= 0)
+ continue;
+ strlcpy( comp, path, len + 1 );
matching = IOService::serviceMatching( "IONetworkInterface" );
if( !matching)
@@ -161,7 +236,8 @@
OSDictionary * matching;
OSDictionary * propDict = 0;
const OSSymbol * str = 0;
-
+ char networkType[128];
+
do {
matching = IOService::serviceMatching( "IONetworkInterface" );
if ( matching == 0 )
@@ -178,6 +254,18 @@
propDict->setObject( "IOInterfaceNamePrefix", (OSObject *) str );
str->release();
str = 0;
+
+ // see if we're contrained to netroot off of specific network type
+ if(PE_parse_boot_argn( "network-type", networkType, 128 ))
+ {
+ str = OSSymbol::withCString( networkType );
+ if(str)
+ {
+ propDict->setObject( "IONetworkRootType", str);
+ str->release();
+ str = 0;
+ }
+ }
if ( matching->setObject( gIOPropertyMatchKey,
(OSObject *) propDict ) != true )
@@ -259,6 +347,7 @@
long partition = -1;
long lun = -1;
char c;
+ int len;
// scan the tail of the path for "@unit:partition"
do {
@@ -296,34 +385,52 @@
if( c || unit == -1 || partition == -1)
continue;
- maxLen -= strlen( "{" kIOPathMatchKey "='" kIODeviceTreePlane ":" );
- maxLen -= ( alias ? strlen( alias ) : 0 ) + (look - path);
- maxLen -= strlen( "/@hhhhhhhh,hhhhhhhh:dddddddddd';}" );
-
- if( maxLen > 0) {
- sprintf( buf, "{" kIOPathMatchKey "='" kIODeviceTreePlane ":" );
- comp = buf + strlen( buf );
+ len = strlen( "{" kIOPathMatchKey "='" kIODeviceTreePlane ":" );
+ maxLen -= len;
+ if( maxLen <= 0)
+ continue;
+
+ snprintf( buf, len + 1, "{" kIOPathMatchKey "='" kIODeviceTreePlane ":" );
+ comp = buf + len;
+
+ if( alias) {
+ len = strlen( alias );
+ maxLen -= len;
+ if( maxLen <= 0)
+ continue;
+
+ strlcpy( comp, alias, len + 1 );
+ comp += len;
+ }
+
+ if ( (look - path)) {
+ len = (look - path);
+ maxLen -= len;
+ if( maxLen <= 0)
+ continue;
+
+ strlcpy( comp, path, len + 1 );
+ comp += len;
+ }
- if( alias) {
- strcpy( comp, alias );
- comp += strlen( alias );
- }
-
- if ( (look - path)) {
- strncpy( comp, path, look - path);
- comp += look - path;
- }
-
- if ( lun != -1 )
- {
- sprintf ( comp, "/@%lx,%lx:%ld';}", unit, lun, partition );
- }
- else
- {
- sprintf( comp, "/@%lx:%ld';}", unit, partition );
- }
- } else
- continue;
+ if ( lun != -1 )
+ {
+ len = strlen( "/@hhhhhhhh,hhhhhhhh:dddddddddd';}" );
+ maxLen -= len;
+ if( maxLen <= 0)
+ continue;
+
+ snprintf( comp, len + 1, "/@%lx,%lx:%ld';}", unit, lun, partition );
+ }
+ else
+ {
+ len = strlen( "/@hhhhhhhh:dddddddddd';}" );
+ maxLen -= len;
+ if( maxLen <= 0)
+ continue;
+
+ snprintf( comp, len + 1, "/@%lx:%ld';}", unit, partition );
+ }
return( OSDynamicCast(OSDictionary, OSUnserialize( buf, 0 )) );
@@ -350,18 +457,17 @@
len = strlen( kIODeviceTreePlane ":" );
maxLen -= len;
- if( maxLen < 0)
- continue;
-
- strcpy( buf, kIODeviceTreePlane ":" );
+ if( maxLen <= 0)
+ continue;
+
+ strlcpy( buf, kIODeviceTreePlane ":", len + 1 );
comp = buf + len;
len = strlen( path );
maxLen -= len;
- if( maxLen < 0)
- continue;
- strncpy( comp, path, len );
- comp[ len ] = 0;
+ if( maxLen <= 0)
+ continue;
+ strlcpy( comp, path, len + 1 );
matching = OSDictionary::withCapacity( 1 );
if( !matching)
@@ -421,7 +527,7 @@
static int didRam = 0;
-kern_return_t IOFindBSDRoot( char * rootName,
+kern_return_t IOFindBSDRoot( char * rootName, unsigned int rootNameSize,
dev_t * root, u_int32_t * oflags )
{
mach_timespec_t t;
@@ -434,7 +540,7 @@
UInt32 *ramdParms = 0;
UInt32 flags = 0;
- int minor, major;
+ int mnr, mjr;
bool findHFSChild = false;
char * mediaProperty = 0;
char * rdBootVar;
@@ -459,12 +565,20 @@
return( kIOReturnNoMemory );
rdBootVar = str + kMaxPathBuf;
- if (!PE_parse_boot_arg("rd", rdBootVar )
- && !PE_parse_boot_arg("rootdev", rdBootVar ))
+ if (!PE_parse_boot_argn("rd", rdBootVar, kMaxBootVar )
+ && !PE_parse_boot_argn("rootdev", rdBootVar, kMaxBootVar ))
rdBootVar[0] = 0;
do {
if( (regEntry = IORegistryEntry::fromPath( "/chosen", gIODTPlane ))) {
+ data = OSDynamicCast(OSData, regEntry->getProperty( "root-matching" ));
+ if (data) {
+ matching = OSDynamicCast(OSDictionary, OSUnserializeXML((char *)data->getBytesNoCopy()));
+ if (matching) {
+ continue;
+ }
+ }
+
data = (OSData *) regEntry->getProperty( "boot-uuid" );
if( data) {
uuidStr = (const char*)data->getBytesNoCopy();
@@ -523,7 +637,7 @@
if(data) { /* We found one */
ramdParms = (UInt32 *)data->getBytesNoCopy(); /* Point to the ram disk base and size */
- (void)mdevadd(-1, ramdParms[0] >> 12, ramdParms[1] >> 12, 0); /* Initialize it and pass back the device number */
+ (void)mdevadd(-1, ml_static_ptovirt(ramdParms[0]) >> 12, ramdParms[1] >> 12, 0); /* Initialize it and pass back the device number */
}
regEntry->release(); /* Toss the entry */
}
@@ -564,10 +678,12 @@
// from OpenFirmware path
IOLog("From path: \"%s\", ", look);
- if( forceNet || (0 == strncmp( look, "enet", strlen( "enet" ))) ) {
- matching = IONetworkMatching( look, str, kMaxPathBuf );
- } else {
- matching = IODiskMatching( look, str, kMaxPathBuf );
+ if (!matching) {
+ if( forceNet || (0 == strncmp( look, "enet", strlen( "enet" ))) ) {
+ matching = IONetworkMatching( look, str, kMaxPathBuf );
+ } else {
+ matching = IODiskMatching( look, str, kMaxPathBuf );
+ }
}
}
@@ -589,7 +705,7 @@
uuid = (char *)IOMalloc( kMaxBootVar );
if ( uuid ) {
- if (!PE_parse_boot_arg( "boot-uuid", uuid )) {
+ if (!PE_parse_boot_argn( "boot-uuid", uuid, kMaxBootVar )) {
panic( "rd=uuid but no boot-uuid=<value> specified" );
}
uuidString = OSString::withCString( uuid );
@@ -608,8 +724,9 @@
}
if( !matching) {
- OSString * astring;
- // any HFS
+ OSString * astring;
+ // Match any HFS media
+
matching = IOService::serviceMatching( "IOMedia" );
astring = OSString::withCStringNoCopy("Apple_HFS");
if ( astring ) {
@@ -655,11 +772,14 @@
if ( service && findHFSChild ) {
bool waiting = true;
+ uint64_t timeoutNS;
+
// wait for children services to finish registering
while ( waiting ) {
- t.tv_sec = ROOTDEVICETIMEOUT;
- t.tv_nsec = 0;
- if ( service->waitQuiet( &t ) == kIOReturnSuccess ) {
+ timeoutNS = ROOTDEVICETIMEOUT;
+ timeoutNS *= kSecondScale;
+
+ if ( (service->waitQuiet(timeoutNS) ) == kIOReturnSuccess) {
waiting = false;
} else {
IOLog( "Waiting for child registration\n" );
@@ -669,11 +789,11 @@
IOService * subservice = IOFindMatchingChild( service );
if ( subservice ) service = subservice;
} else if ( service && mediaProperty ) {
- service = service->getProperty(mediaProperty);
- }
-
- major = 0;
- minor = 0;
+ service = (IOService *)service->getProperty(mediaProperty);
+ }
+
+ mjr = 0;
+ mnr = 0;
// If the IOService we matched to is a subclass of IONetworkInterface,
// then make sure it has been registered with BSD and has a BSD name
@@ -694,13 +814,13 @@
iostr = (OSString *) service->getProperty( kIOBSDNameKey );
if( iostr)
- strcpy( rootName, iostr->getCStringNoCopy() );
+ strlcpy( rootName, iostr->getCStringNoCopy(), rootNameSize );
off = (OSNumber *) service->getProperty( kIOBSDMajorKey );
if( off)
- major = off->unsigned32BitValue();
+ mjr = off->unsigned32BitValue();
off = (OSNumber *) service->getProperty( kIOBSDMinorKey );
if( off)
- minor = off->unsigned32BitValue();
+ mnr = off->unsigned32BitValue();
if( service->metaCast( "IONetworkInterface" ))
flags |= 1;
@@ -708,17 +828,17 @@
} else {
IOLog( "Wait for root failed\n" );
- strcpy( rootName, "en0");
+ strlcpy( rootName, "en0", rootNameSize );
flags |= 1;
}
IOLog( "BSD root: %s", rootName );
- if( major)
- IOLog(", major %d, minor %d\n", major, minor );
+ if( mjr)
+ IOLog(", major %d, minor %d\n", mjr, mnr );
else
IOLog("\n");
- *root = makedev( major, minor );
+ *root = makedev( mjr, mnr );
*oflags = flags;
IOFree( str, kMaxPathBuf + kMaxBootVar );
@@ -742,6 +862,25 @@
return( kIOReturnSuccess );
}
+void IOSecureBSDRoot(const char * rootName)
+{
+#if CONFIG_EMBEDDED
+ IOReturn result;
+ IOPlatformExpert *pe;
+ const OSSymbol *functionName = OSSymbol::withCStringNoCopy("SecureRootName");
+
+ while ((pe = IOService::getPlatform()) == 0) IOSleep(1 * 1000);
+
+ // Returns kIOReturnNotPrivileged is the root device is not secure.
+ // Returns kIOReturnUnsupported if "SecureRootName" is not implemented.
+ result = pe->callPlatformFunction(functionName, false, (void *)rootName, (void *)0, (void *)0, (void *)0);
+
+ functionName->release();
+
+ if (result == kIOReturnNotPrivileged) mdevremoveall();
+#endif
+}
+
void *
IOBSDRegistryEntryForDeviceTree(char * path)
{
@@ -773,4 +912,172 @@
return (NULL);
}
+kern_return_t IOBSDGetPlatformUUID( uuid_t uuid, mach_timespec_t timeout )
+{
+ IOService * resources;
+ OSString * string;
+
+ resources = IOService::waitForService( IOService::resourceMatching( kIOPlatformUUIDKey ), &timeout );
+ if ( resources == 0 ) return KERN_OPERATION_TIMED_OUT;
+
+ string = ( OSString * ) IOService::getPlatform( )->getProvider( )->getProperty( kIOPlatformUUIDKey );
+ if ( string == 0 ) return KERN_NOT_SUPPORTED;
+
+ uuid_parse( string->getCStringNoCopy( ), uuid );
+
+ return KERN_SUCCESS;
+}
+
+kern_return_t IOBSDGetPlatformSerialNumber( char *serial_number_str, u_int32_t len )
+{
+ OSDictionary * platform_dict;
+ IOService *platform;
+ OSString * string;
+
+ if (len < 1) {
+ return 0;
+ }
+ serial_number_str[0] = '\0';
+
+ platform_dict = IOService::serviceMatching( "IOPlatformExpertDevice" );
+ if (platform_dict == NULL) {
+ return KERN_NOT_SUPPORTED;
+ }
+
+ platform = IOService::waitForService( platform_dict );
+ if (platform) {
+ string = ( OSString * ) platform->getProperty( kIOPlatformSerialNumberKey );
+ if ( string == 0 ) {
+ return KERN_NOT_SUPPORTED;
+ } else {
+ strlcpy( serial_number_str, string->getCStringNoCopy( ), len );
+ }
+ }
+
+ return KERN_SUCCESS;
+}
+
+dev_t IOBSDGetMediaWithUUID( const char *uuid_cstring, char *bsd_name, int bsd_name_len, int timeout)
+{
+ dev_t dev = 0;
+ OSDictionary *dictionary;
+ OSString *uuid_string;
+
+ if (bsd_name_len < 1) {
+ return 0;
+ }
+ bsd_name[0] = '\0';
+
+ dictionary = IOService::serviceMatching( "IOMedia" );
+ if( dictionary ) {
+ uuid_string = OSString::withCString( uuid_cstring );
+ if( uuid_string ) {
+ IOService *service;
+ mach_timespec_t tv = { timeout, 0 }; // wait up to "timeout" seconds for the device
+
+ dictionary->setObject( "UUID", uuid_string );
+ dictionary->retain();
+ service = IOService::waitForService( dictionary, &tv );
+ if( service ) {
+ OSNumber *dev_major = (OSNumber *) service->getProperty( kIOBSDMajorKey );
+ OSNumber *dev_minor = (OSNumber *) service->getProperty( kIOBSDMinorKey );
+ OSString *iostr = (OSString *) service->getProperty( kIOBSDNameKey );
+
+ if( iostr)
+ strlcpy( bsd_name, iostr->getCStringNoCopy(), bsd_name_len );
+
+ if ( dev_major && dev_minor )
+ dev = makedev( dev_major->unsigned32BitValue(), dev_minor->unsigned32BitValue() );
+ }
+ uuid_string->release();
+ }
+ dictionary->release();
+ }
+
+ return dev;
+}
+
+
+void IOBSDIterateMediaWithContent(const char *content_uuid_cstring, int (*func)(const char *bsd_dev_name, const char *uuid_str, void *arg), void *arg)
+{
+ OSDictionary *dictionary;
+ OSString *content_uuid_string;
+
+ dictionary = IOService::serviceMatching( "IOMedia" );
+ if( dictionary ) {
+ content_uuid_string = OSString::withCString( content_uuid_cstring );
+ if( content_uuid_string ) {
+ IOService *service;
+ OSIterator *iter;
+
+ dictionary->setObject( "Content", content_uuid_string );
+ dictionary->retain();
+
+ iter = IOService::getMatchingServices(dictionary);
+ while (iter && (service = (IOService *)iter->getNextObject())) {
+ if( service ) {
+ OSString *iostr = (OSString *) service->getProperty( kIOBSDNameKey );
+ OSString *uuidstr = (OSString *) service->getProperty( "UUID" );
+ const char *uuid;
+
+ if( iostr) {
+ if (uuidstr) {
+ uuid = uuidstr->getCStringNoCopy();
+ } else {
+ uuid = "00000000-0000-0000-0000-000000000000";
+ }
+
+ // call the callback
+ if (func && func(iostr->getCStringNoCopy(), uuid, arg) == 0) {
+ break;
+ }
+ }
+ }
+ }
+ if (iter)
+ iter->release();
+
+ content_uuid_string->release();
+ }
+ dictionary->release();
+ }
+}
+
+
+int IOBSDIsMediaEjectable( const char *cdev_name )
+{
+ int ret = 0;
+ OSDictionary *dictionary;
+ OSString *dev_name;
+
+ if (strncmp(cdev_name, "/dev/", 5) == 0) {
+ cdev_name += 5;
+ }
+
+ dictionary = IOService::serviceMatching( "IOMedia" );
+ if( dictionary ) {
+ dev_name = OSString::withCString( cdev_name );
+ if( dev_name ) {
+ IOService *service;
+ mach_timespec_t tv = { 5, 0 }; // wait up to "timeout" seconds for the device
+
+ dictionary->setObject( kIOBSDNameKey, dev_name );
+ dictionary->retain();
+ service = IOService::waitForService( dictionary, &tv );
+ if( service ) {
+ OSBoolean *ejectable = (OSBoolean *) service->getProperty( "Ejectable" );
+
+ if( ejectable ) {
+ ret = (int)ejectable->getValue();
+ }
+
+ }
+ dev_name->release();
+ }
+ dictionary->release();
+ }
+
+ return ret;
+}
+
} /* extern "C" */