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main.xm
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/*
classdump-dyld is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
any later version.
classdump-dyld is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
*/
static BOOL inDebug=NO;
static BOOL isIOS11=NO;
#define CDLog(...) if (inDebug)NSLog(@"classdump-dyld : %@", [NSString stringWithFormat:__VA_ARGS__] )
#include "CommonDefines.m"
extern "C" int parseImage(char *image,BOOL writeToDisk,NSString *outputDir,BOOL getSymbols,BOOL isRecursive,BOOL buildOriginalDirs,BOOL simpleHeader,BOOL skipAlreadyFound,BOOL skipApplications,int percent);
static void list_dir(const char *dir_name,BOOL writeToDisk,NSString *outputDir,BOOL getSymbols,BOOL recursive,BOOL simpleHeader,BOOL skipAlreadyFound,BOOL skipApplications);
static NSMutableArray *allImagesProcessed;
static uint8_t *_cacheData;
static struct cache_header *_cacheHead;
static BOOL shouldDLopen32BitExecutables=NO;
/****** Helper Functions ******/
#include "CommonFunctions.m"
/****** Parsing Functions ******/
#include "ParsingFunctions.m"
typedef void *MSImageRef;
//#include "substrate.h"
static const struct dyld_all_image_infos *(*my_dyld_get_all_image_infos)();
static MSImageRef (*_MSGetImageByName)(const char* name);
static void * (*_MSFindSymbol)(MSImageRef ref,const char* name);
static void findDyldGetAllImageInfosSymbol(){
if (dlsym(RTLD_DEFAULT,"_dyld_get_all_image_infos")){
my_dyld_get_all_image_infos=(const struct dyld_all_image_infos*(*)(void))dlsym(RTLD_DEFAULT,"_dyld_get_all_image_infos");
}
else{
// find libdyld.dylib ...
unsigned int count;
const char *dyldImage=NULL;
const char **names=objc_copyImageNames(&count);
for (unsigned int i=0; i<count; i++){
if (strstr(names[i],"/libdyld.dylib")){
dyldImage=names[i];
break;
}
}
if (dyldImage){
_MSGetImageByName=(MSImageRef(*)(const char *))dlsym(RTLD_DEFAULT,"MSGetImageByName");
_MSFindSymbol=(void*(*)(MSImageRef,const char *))dlsym(RTLD_DEFAULT,"MSFindSymbol");
if (!_MSGetImageByName){ // are we in simulator ? try theos dir
void *ms=dlopen("/opt/theos/lib/libsubstrate.dylib",RTLD_NOW);
_MSGetImageByName=(MSImageRef(*)(const char *))dlsym(ms,"MSGetImageByName");
_MSFindSymbol=(void*(*)(MSImageRef,const char *))dlsym(ms,"MSFindSymbol");
}
MSImageRef msImage=_MSGetImageByName(dyldImage);
if (msImage){
void *msSymbol=_MSFindSymbol(msImage,"__dyld_get_all_image_infos");
if (msSymbol){
my_dyld_get_all_image_infos=(const struct dyld_all_image_infos*(*)(void))msSymbol;
}
}
}
}
}
/****** Recursive file search ******/
static void list_dir(const char *dir_name,BOOL writeToDisk,NSString *outputDir,BOOL getSymbols,BOOL recursive,BOOL simpleHeader,BOOL skipAlreadyFound,BOOL skipApplications){
DIR * d;
d = opendir (dir_name);
if (! d) {
return;
}
while (1) {
struct dirent * entry;
const char * d_name;
entry = readdir (d);
if (! entry) {
break;
}
while (entry && entry->d_type == DT_LNK){
entry = readdir (d);
}
if (! entry) {
break;
}
printf(" Scanning dir: %s...",dir_name);
printf("\n\033[F\033[J");
while (entry && (entry->d_type & DT_DIR) && ( locationOfString(dir_name,[outputDir UTF8String])==0 || ((locationOfString(dir_name,"/private/var")==0 || locationOfString(dir_name,"/var")==0 || locationOfString(dir_name,"//var")==0 || locationOfString(dir_name,"//private/var")==0) && (skipApplications || (!skipApplications && !strstr(dir_name,"Application")))) || locationOfString(dir_name,"//dev")==0 || locationOfString(dir_name,"//bin")==0 || locationOfString(dir_name,"/dev")==0 || locationOfString(dir_name,"/bin")==0 )) {
entry = readdir (d);
}
if (! entry) {
break;
}
d_name = entry->d_name;
if (strcmp(d_name,".") && strcmp(d_name,"..")){
NSAutoreleasePool *p=[[NSAutoreleasePool alloc] init];
if (!dir_name){
printf("\n stringWithCString dir_name empty \n");
}
NSString *currentPath=[NSString stringWithCString:dir_name encoding:NSUTF8StringEncoding];
currentPath=[currentPath stringByReplacingOccurrencesOfString:@"//" withString:@"/"];
if (!d_name){
printf("\n stringWithCString d_name empty \n");
}
NSString *currentFile=[NSString stringWithCString:d_name encoding:NSUTF8StringEncoding];
NSString *imageToPass=[NSString stringWithFormat:@"%@/%@",currentPath,currentFile];
if ([imageToPass rangeOfString:@"classdump-dyld"].location==NSNotFound && [imageToPass rangeOfString:@"/dev"].location!=0 && [imageToPass rangeOfString:@"/bin"].location!=0){
NSString *imageWithoutLastPart=[imageToPass stringByDeletingLastPathComponent];
if ([[imageWithoutLastPart lastPathComponent] rangeOfString:@".app"].location!=NSNotFound || [[imageWithoutLastPart lastPathComponent] rangeOfString:@".framework"].location!=NSNotFound || [[imageWithoutLastPart lastPathComponent] rangeOfString:@".bundle"].location!=NSNotFound){
NSString *skipString=[imageWithoutLastPart lastPathComponent];
//skipString=[skipString stringByDeletingPathExtension];
skipString=[skipString stringByReplacingOccurrencesOfString:@".framework" withString:@""];
skipString=[skipString stringByReplacingOccurrencesOfString:@".bundle" withString:@""];
skipString=[skipString stringByReplacingOccurrencesOfString:@".app" withString:@""];
if ([skipString isEqualToString:[imageToPass lastPathComponent]]){
parseImage((char *)[imageToPass UTF8String ],writeToDisk,outputDir,getSymbols,recursive,YES,simpleHeader,skipAlreadyFound,skipApplications,0);
}
}
else{
parseImage((char *)[imageToPass UTF8String ],writeToDisk,outputDir,getSymbols,recursive,YES,simpleHeader,skipAlreadyFound,skipApplications,0);
}
}
[p drain];
}
if (entry->d_type & DT_DIR ) {
if (strcmp(d_name, "..")!= 0 && strcmp(d_name, ".")!=0) {
int path_length;
char path[PATH_MAX];
path_length = snprintf (path, PATH_MAX,"%s/%s", dir_name, d_name);
if (path_length >= PATH_MAX) {
//Path length has gotten too long
exit (EXIT_FAILURE);
}
list_dir (path,writeToDisk,outputDir,getSymbols,recursive,simpleHeader,skipAlreadyFound,skipApplications);
}
}
}
closedir (d);
}
/****** The actual job ******/
extern "C" int parseImage(char *image,BOOL writeToDisk,NSString *outputDir,BOOL getSymbols,BOOL isRecursive,BOOL buildOriginalDirs,BOOL simpleHeader, BOOL skipAlreadyFound,BOOL skipApplications,int percent){
if (!image){
return 3;
}
// applications are skipped by default in a recursive, you can use -a to force-dump them recursively
if (skipApplications){
if (isRecursive && strstr(image,"/var/stash/Applications/")){ //skip Applications dir
return 4;
}
if (isRecursive && strstr(image,"/var/mobile/Applications/")){ //skip Applications dir
return 4;
}
if (isRecursive && strstr(image,"/var/mobile/Containers/Bundle/Application/")){ //skip Applications dir
return 4;
}
if ((isRecursive && strstr(image,"SubstrateBootstrap.dylib") ) || (isRecursive && strstr(image,"CydiaSubstrate.framework"))){ //skip Applications dir
return 4;
}
}
if (isIOS11 && strstr(image,"SpringBoardUI")){
dlopen("/System/Library/PrivateFrameworks/SearchUI.framework/SearchUI",RTLD_NOW); //rdar://problem/26143166
}
NSString *imageAsNSString=[[NSString alloc] initWithCString:image encoding:NSUTF8StringEncoding];
for (NSString *forbiddenPath in forbiddenPaths){
if ([imageAsNSString rangeOfString:forbiddenPath].location!=NSNotFound){
NSLog(@"Image %@ cannot be parsed due to known crashing issues.",imageAsNSString);
[imageAsNSString release];
return 5;
}
}
[imageAsNSString release];
NSAutoreleasePool *xd=[[NSAutoreleasePool alloc] init];
if (!image){
printf("\n stringWithCString image empty \n");
}
if (isRecursive && ([[NSString stringWithCString:image encoding:NSUTF8StringEncoding] rangeOfString:@"/dev"].location==0 || [[NSString stringWithCString:image encoding:NSUTF8StringEncoding] rangeOfString:@"/bin"].location==0 || (skipApplications && [[NSString stringWithCString:image encoding:NSUTF8StringEncoding] rangeOfString:@"/var"].location==0))){
[xd drain];
return 4;
}
[xd drain];
NSAutoreleasePool *xdd=[[NSAutoreleasePool alloc] init];
if ([allImagesProcessed containsObject:[NSString stringWithCString:image encoding:NSUTF8StringEncoding]]){
[xdd drain];
return 5;
}
NSString *imageEnd=[[NSString stringWithCString:image encoding:NSUTF8StringEncoding] lastPathComponent];
imageEnd=[imageEnd stringByReplacingOccurrencesOfString:@".framework/" withString:@""];
imageEnd=[imageEnd stringByReplacingOccurrencesOfString:@".framework" withString:@""];
imageEnd=[imageEnd stringByReplacingOccurrencesOfString:@".bundle/" withString:@""];
imageEnd=[imageEnd stringByReplacingOccurrencesOfString:@".bundle" withString:@""];
imageEnd=[imageEnd stringByReplacingOccurrencesOfString:@".app/" withString:@""];
imageEnd=[imageEnd stringByReplacingOccurrencesOfString:@".app" withString:@""];
NSString *containedImage=[[NSString stringWithCString:image encoding:NSUTF8StringEncoding] stringByAppendingString:[NSString stringWithFormat:@"/%@",imageEnd]];
if ([allImagesProcessed containsObject:containedImage]){
[xdd drain];
return 5;
}
[xdd drain];
// check if image is executable
dlopen_preflight(image);
BOOL isExec=NO;
if (dlerror()){
if (fileExistsOnDisk(image)){
isExec=isMachOExecutable(image);
}
}
void * ref=nil;
BOOL opened=dlopen_preflight(image);
const char *dlopenError=dlerror();
if (opened){
CDLog(@"Will dlopen %s",image);
ref=dlopen(image, RTLD_LAZY );
CDLog(@"Did dlopen %s",image);
}
else{
if (!isExec || shouldDLopen32BitExecutables){
if (!dlopenError || (dlopenError && !strstr(dlopenError,"no matching architecture in universal wrapper") && !strstr(dlopenError,"out of address space") && !strstr(dlopenError,"mach-o, but wrong architecture"))){
NSAutoreleasePool *pool=[[NSAutoreleasePool alloc] init];
NSString *imageString=[[NSString alloc] initWithCString:image encoding:NSUTF8StringEncoding];
NSString *lastComponent=[imageString lastPathComponent];
if ([lastComponent rangeOfString:@".framework"].location==NSNotFound && [lastComponent rangeOfString:@".bundle"].location==NSNotFound && [lastComponent rangeOfString:@".app"].location==NSNotFound){
if (!isRecursive){
dlopen_preflight(image);
printf("\nNot a suitable image: %s\n(%s)\n",image,dlerror());
}
return 3;
}
NSBundle *loadedBundle=[NSBundle bundleWithPath:imageString];
[imageString release];
[pool drain];
char *exec=(char *)[[loadedBundle executablePath] UTF8String];
image=(char *)exec;
if (image){
if (!dlopen_preflight(image)){
// cleanup dlerror:
dlerror();
isExec=isMachOExecutable(image);
}
//opened=dlopen_preflight(image);
opened=dlopen_preflight([[loadedBundle executablePath] UTF8String]);
dlopenError=dlerror();
}
else{
opened=NO;
}
if (opened && (!isExec || shouldDLopen32BitExecutables)){
ref=dlopen(image, RTLD_LAZY);
}
}
}
}
if (image!=nil && ![allImagesProcessed containsObject:[NSString stringWithCString:image encoding:2]] && ((dlopenError && (strstr(dlopenError,"no matching architecture in universal wrapper") || strstr(dlopenError,"not macOS") || strstr(dlopenError,"out of address space") || strstr(dlopenError,"mach-o, but wrong architecture"))) || (isExec && !shouldDLopen32BitExecutables))){
@autoreleasepool{
/*if (fileExistsOnDisk(image) && isExec){
NSString *exec=[NSString stringWithFormat:@"/usr/bin/ldid -e %s > /tmp/entitlements/%@",image,[[NSString stringWithCString:image encoding:NSUTF8StringEncoding] lastPathComponent]];
system([exec UTF8String]);
}*/
#if defined (__x86_64__) || defined (__i386__)
NSString *tryWithLib=[NSString stringWithFormat:@"DYLD_INSERT_LIBRARIES=/usr/local/lib/libclassdumpdyld.dylib %s",image];
#else
NSString *tryWithLib=[NSString stringWithFormat:@"DYLD_INSERT_LIBRARIES=/usr/lib/libclassdumpdyld.dylib %s",image];
#endif
if (writeToDisk){
tryWithLib=[tryWithLib stringByAppendingString:[NSString stringWithFormat:@" -o %@",outputDir]];
}
if (buildOriginalDirs){
tryWithLib=[tryWithLib stringByAppendingString:@" -b"];
}
if (getSymbols){
tryWithLib=[tryWithLib stringByAppendingString:@" -g"];
}
if (simpleHeader){
tryWithLib=[tryWithLib stringByAppendingString:@" -u"];
}
if (addHeadersFolder){
tryWithLib=[tryWithLib stringByAppendingString:@" -h"];
}
if (inDebug){
tryWithLib=[tryWithLib stringByAppendingString:@" -D"];
}
if (isRecursive){
tryWithLib=[tryWithLib stringByAppendingString:@" -r"];
}
if (onlyOneClass){
tryWithLib=[tryWithLib stringByAppendingString:[NSString stringWithFormat:@" -j %@",onlyOneClass]];
}
[allImagesProcessed addObject:[NSString stringWithCString:image encoding:2]];
int(*_my_system)(const char *)=(int(*)(const char *))dlsym(RTLD_DEFAULT,"system");
_my_system([tryWithLib UTF8String]);
}
if (!isRecursive){
return 1;
}
}
if (!opened || ref==nil || image==NULL){
if (!isRecursive){
printf("\nCould not open: %s\n",image);
}
return 3;
}
if (image!=nil && [allImagesProcessed containsObject:[NSString stringWithCString:image encoding:2]]){
return 5;
}
CDLog(@"Dlopen complete, proceeding with class info for %s",image);
// PROCEED
BOOL isFramework=NO;
NSMutableString *dumpString=[[NSMutableString alloc] initWithString:@""];
unsigned int count;
CDLog(@"Getting class count for %s",image);
const char **names = objc_copyClassNamesForImage(image,&count);
CDLog(@"Did return class count %d",count);
if (count){
if (percent){
printf(" Dumping "BOLDWHITE"%s"RESET"...(%d classes) (%d%%) %s \n",image ,count, percent, [print_free_memory() UTF8String]);
}
else{
printf(" Dumping "BOLDWHITE"%s"RESET"...(%d classes) %s \n",image ,count,[print_free_memory() UTF8String]);
}
}
while ([outputDir rangeOfString:@"/" options:NSBackwardsSearch].location==outputDir.length-1){
outputDir=[outputDir substringToIndex:outputDir.length-1];
}
BOOL hasWrittenCopyright=NO;
allStructsFound=nil;
allStructsFound=[NSMutableArray array];
classesInStructs=nil;
classesInStructs=[NSMutableArray array];
NSMutableArray *protocolsAdded=[NSMutableArray array];
NSString *imageName=[[NSString stringWithCString:image encoding:NSUTF8StringEncoding] lastPathComponent];
NSString *fullImageNameInNS=[NSString stringWithCString:image encoding:NSUTF8StringEncoding];
[allImagesProcessed addObject:fullImageNameInNS];
NSString *seeIfIsBundleType=[fullImageNameInNS stringByDeletingLastPathComponent];
NSString *lastComponent=[seeIfIsBundleType lastPathComponent];
NSString *targetDir=nil;
if ([lastComponent rangeOfString:@"."].location==NSNotFound){
targetDir=fullImageNameInNS;
}
else{
targetDir=[fullImageNameInNS stringByDeletingLastPathComponent];
isFramework=YES;
}
NSString *headersFolder=addHeadersFolder ? @"/Headers" : @"";
NSString *writeDir=buildOriginalDirs ? (isFramework ? [NSString stringWithFormat:@"%@/%@%@",outputDir,targetDir,headersFolder] : [NSString stringWithFormat:@"%@/%@",outputDir,targetDir]) : outputDir;
writeDir=[writeDir stringByReplacingOccurrencesOfString:@"///" withString:@"/"];
writeDir=[writeDir stringByReplacingOccurrencesOfString:@"//" withString:@"/"];
[processedImages addObject:[NSString stringWithCString:image encoding:NSUTF8StringEncoding]];
CDLog(@"Beginning class loop (%d classed) for %s",count,image);
NSMutableString *classesToImport=[[NSMutableString alloc] init];
int actuallyProcesssedCount=0;
for (unsigned i=0; i<count; i++){
NSAutoreleasePool *pool=[[NSAutoreleasePool alloc] init];
classesInClass=nil;
classesInClass=[NSMutableArray array];
NSMutableArray *inlineProtocols=[NSMutableArray array];
shouldImportStructs=0;
if (skipAlreadyFound && [[NSFileManager defaultManager] fileExistsAtPath:[NSString stringWithFormat:@"%@/%s.h",writeDir,names[i]]]){
continue;
}
BOOL canGetSuperclass=YES;
NSString *classNameNSToRelease=[[NSString alloc] initWithCString:names[i] encoding:NSUTF8StringEncoding];
if ([forbiddenClasses indexOfObject:classNameNSToRelease]!=NSNotFound){
[classNameNSToRelease release];
continue;
}
if ([classNameNSToRelease rangeOfString:@"_INP"].location==0 || [classNameNSToRelease rangeOfString:@"ASV"].location==0){
[classNameNSToRelease release];
continue;
}
if (onlyOneClass && ![classNameNSToRelease isEqual:onlyOneClass]){
[classNameNSToRelease release];
continue;
}
[classNameNSToRelease release];
actuallyProcesssedCount++;
CDLog(@"Processing Class %s (%d/%d)\n",names[i],i,count);
if (writeToDisk){
loadBar(i, count, 100, 50,names[i]);
}
if (!names[i]){
printf("\n stringWithCString names[i] empty \n");
}
NSString *classNameNS=[NSString stringWithCString:names[i] encoding:NSUTF8StringEncoding];
while ([classNameNS rangeOfString:@"_"].location==0){
classNameNS=[classNameNS substringFromIndex:1];
}
classID=[classNameNS substringToIndex:2];
Class currentClass=nil;
currentClass=objc_getClass(names[i]);
if ( ! class_getClassMethod(currentClass,NSSelectorFromString(@"doesNotRecognizeSelector:") )){
canGetSuperclass=NO;
}
if ( ! class_getClassMethod(currentClass,NSSelectorFromString(@"methodSignatureForSelector:") )){
canGetSuperclass=NO;
}
if (strcmp((char *)image,(char *)"/System/Library/CoreServices/SpringBoard.app/SpringBoard")==0){
[currentClass class]; //init a class instance to prevent crashes, specifically needed for some SpringBoard classes
}
NSString *superclassString=canGetSuperclass ? ([[currentClass superclass] description] !=nil ? [NSString stringWithFormat:@" : %@",[[currentClass superclass] description]] : @"") : @" : _UKNOWN_SUPERCLASS_";
unsigned int protocolCount;
Protocol ** protocolArray=class_copyProtocolList(currentClass, &protocolCount);
NSString *inlineProtocolsString=@"";
for (unsigned t=0; t<protocolCount; t++){
if (t==0){
inlineProtocolsString=@" <";
}
const char *protocolName=protocol_getName(protocolArray[t]);
if (!protocolName){
printf("\n stringWithCString protocolName empty \n");
}
NSString *addedProtocol=[[NSString stringWithCString:protocolName encoding:NSUTF8StringEncoding] retain];
if (t<protocolCount-1){
addedProtocol=[[[addedProtocol autorelease] stringByAppendingString:@", "] retain];
}
inlineProtocolsString=[[[inlineProtocolsString autorelease] stringByAppendingString:addedProtocol] retain];
if (t==protocolCount-1){
inlineProtocolsString=[[[inlineProtocolsString autorelease] stringByAppendingString:@">"] retain] ;
}
}
if ( writeToDisk || (!writeToDisk && !hasWrittenCopyright )){
NSString *copyrightString=copyrightMessage(image);
[dumpString appendString:copyrightString];
[copyrightString release];
hasWrittenCopyright=YES;
}
if (writeToDisk && superclassString.length>0 && ![superclassString isEqual:@" : NSObject"]){
NSString *fixedSuperclass=[superclassString stringByReplacingOccurrencesOfString:@" : " withString:@""];
NSString *importSuper=@"";
if (!simpleHeader){
NSString *imagePrefix=[imageName substringToIndex:2];
NSString *superclassPrefix=[superclassString rangeOfString:@"_"].location==0 ? [[superclassString substringFromIndex:1] substringToIndex:2] : [superclassString substringToIndex:2];
const char *imageNameOfSuper=[imagePrefix isEqual:superclassPrefix] ? [imagePrefix UTF8String] : class_getImageName(objc_getClass([fixedSuperclass UTF8String]));
if (imageNameOfSuper){
NSString *imageOfSuper=[NSString stringWithCString:imageNameOfSuper encoding:NSUTF8StringEncoding];
imageOfSuper=[imageOfSuper lastPathComponent];
importSuper=[NSString stringWithFormat:@"#import <%@/%@.h>\n",imageOfSuper,fixedSuperclass];
}
}
else{
importSuper=[NSString stringWithFormat:@"#import \"%@.h\"\n",fixedSuperclass];
}
[dumpString appendString:importSuper];
}
for (unsigned d=0; d<protocolCount; d++){
Protocol *protocol=protocolArray[d];
const char *protocolName=protocol_getName(protocol);
if (!protocolName){
printf("\n stringWithCString protocolName empty \n");
}
NSString *protocolNSString=[NSString stringWithCString:protocolName encoding:NSUTF8StringEncoding];
if (writeToDisk){
if (simpleHeader){
[dumpString appendString:[NSString stringWithFormat:@"#import \"%@.h\"\n",protocolNSString]];
}
else{
NSString *imagePrefix=[imageName substringToIndex:2];
NSString *protocolPrefix=nil;
NSString *imageOfProtocol=nil;
protocolPrefix=[protocolNSString rangeOfString:@"_"].location==0 ? [[protocolNSString substringFromIndex:1] substringToIndex:2] : [protocolNSString substringToIndex:2];
if (!class_getImageName(protocol)){
printf("\n stringWithCString class_getImageName(protocol) empty \n");
}
imageOfProtocol=([imagePrefix isEqual:protocolPrefix] || !class_getImageName(protocol) ) ? imageName : [NSString stringWithCString:class_getImageName(protocol) encoding:NSUTF8StringEncoding];
imageOfProtocol=[imageOfProtocol lastPathComponent];
if ([protocolNSString rangeOfString:@"UI"].location==0){
imageOfProtocol=@"UIKit";
}
[dumpString appendString:[NSString stringWithFormat:@"#import <%@/%@.h>\n",imageOfProtocol,protocolNSString]];
}
}
if ([protocolsAdded containsObject:protocolNSString]){
continue;
}
[protocolsAdded addObject:protocolNSString];
NSString *protocolHeader=buildProtocolFile(protocol);
if (strcmp(names[i],protocolName)==0){
[dumpString appendString:protocolHeader];
}
else{
if (writeToDisk){
NSString *copyrightString=copyrightMessage(image);
protocolHeader=[copyrightString stringByAppendingString:protocolHeader] ;
[copyrightString release];
[[NSFileManager defaultManager] createDirectoryAtPath:writeDir withIntermediateDirectories:YES attributes:nil error:nil];
if ( ![protocolHeader writeToFile:[NSString stringWithFormat:@"%@/%s.h",writeDir,protocolName] atomically:YES encoding:NSUTF8StringEncoding error:nil]){
printf(" Failed to save protocol header to directory \"%s\"\n",[writeDir UTF8String]);
}
}
else{
[dumpString appendString:protocolHeader];
}
}
}
free(protocolArray);
[dumpString appendString:[NSString stringWithFormat:@"\n@interface %s%@%@",names[i],superclassString,inlineProtocolsString]];
// Get Ivars
unsigned int ivarOutCount;
Ivar * ivarArray=class_copyIvarList(currentClass, &ivarOutCount);
if (ivarOutCount>0){
[dumpString appendString:@" {\n"];
for (unsigned x=0;x<ivarOutCount;x++){
Ivar currentIvar=ivarArray[x];
const char * ivarName=ivar_getName(currentIvar);
if (!ivarName){
printf("\n stringWithCString ivarName empty \n");
}
NSString *ivarNameNS=[NSString stringWithCString:ivarName encoding:NSUTF8StringEncoding];
const char * ivarType=ivar_getTypeEncoding(currentIvar);
if (!ivarType){
printf("\n stringWithCString ivarType empty for ivarName %s in class %s with ivar count %u \n",ivarName,[[currentClass description] UTF8String],ivarOutCount);
}
NSString *ivarTypeString=NULL;
if (ivarType){
ivarTypeString=commonTypes([NSString stringWithCString:ivarType encoding:NSUTF8StringEncoding],&ivarNameNS,YES);
if ([ivarTypeString rangeOfString:@"@\""].location!=NSNotFound){
ivarTypeString=[ivarTypeString stringByReplacingOccurrencesOfString:@"@\"" withString:@""];
ivarTypeString=[ivarTypeString stringByReplacingOccurrencesOfString:@"\"" withString:@"*"];
NSString *classFoundInIvars=[ivarTypeString stringByReplacingOccurrencesOfString:@"*" withString:@""];
if (![classesInClass containsObject:classFoundInIvars]){
if ([classFoundInIvars rangeOfString:@"<"].location!=NSNotFound ){
int firstOpening=[classFoundInIvars rangeOfString:@"<"].location;
if (firstOpening!=0){
NSString *classToAdd=[classFoundInIvars substringToIndex:firstOpening];
if (![classesInClass containsObject:classToAdd]){
[classesInClass addObject:classToAdd];
}
}
NSString *protocolToAdd=[classFoundInIvars substringFromIndex:firstOpening];
protocolToAdd=[protocolToAdd stringByReplacingOccurrencesOfString:@"<" withString:@""];
protocolToAdd=[protocolToAdd stringByReplacingOccurrencesOfString:@">" withString:@""];
protocolToAdd=[protocolToAdd stringByReplacingOccurrencesOfString:@"*" withString:@""];
if (![inlineProtocols containsObject:protocolToAdd]){
[inlineProtocols addObject:protocolToAdd];
}
}
else{
[classesInClass addObject:classFoundInIvars];
}
}
if ([ivarTypeString rangeOfString:@"<"].location!=NSNotFound){
ivarTypeString=[ivarTypeString stringByReplacingOccurrencesOfString:@">*" withString:@">"];
if ([ivarTypeString rangeOfString:@"<"].location==0){
ivarTypeString=[@"id" stringByAppendingString:ivarTypeString];
}
else{
ivarTypeString=[ivarTypeString stringByReplacingOccurrencesOfString:@"<" withString:@"*<"];
}
}
}
}
else{
ivarTypeString=@"???";
}
NSString *formatted=[NSString stringWithFormat:@"\n\t%@ %@;",ivarTypeString,ivarNameNS];
[dumpString appendString:formatted];
}
[dumpString appendString:@"\n\n}"];
}
free(ivarArray);
if ([inlineProtocols count]>0){
NSMutableString *inlineProtocolsString=[[NSMutableString alloc] init];
[inlineProtocolsString appendString:@"@protocol "];
for (int g=0; g<inlineProtocols.count; g++){
if (g<inlineProtocols.count-1){
[inlineProtocolsString appendString:[NSString stringWithFormat:@"%@, ",[inlineProtocols objectAtIndex:g]]];
}
else{
[inlineProtocolsString appendString:[NSString stringWithFormat:@"%@;\n",[inlineProtocols objectAtIndex:g]]];
}
}
int interfaceLocation=[dumpString rangeOfString:@"@interface"].location;
[dumpString insertString:inlineProtocolsString atIndex:interfaceLocation];
[inlineProtocolsString release];
}
// Get Properties
unsigned int propertiesCount;
NSString *propertiesString=@"";
objc_property_t *propertyList=class_copyPropertyList(currentClass,&propertiesCount);
for (unsigned int b=0; b<propertiesCount; b++){
const char *propname=property_getName(propertyList[b]);
const char *attrs=property_getAttributes(propertyList[b]);
if (!attrs){
printf("\n stringWithCString attrs empty \n");
}
if (!propname){
printf("\n stringWithCString propname empty \n");
}
NSString *newString=propertyLineGenerator([NSString stringWithCString:attrs encoding:NSUTF8StringEncoding],[NSString stringWithCString:propname encoding:NSUTF8StringEncoding]);
if ([propertiesString rangeOfString:newString].location==NSNotFound){
propertiesString= [[[propertiesString autorelease] stringByAppendingString:newString] retain];
}
[[newString autorelease] retain];
}
free(propertyList);
// Fix synthesize locations
int propLenght=[propertiesString length];
NSMutableArray *synthesized=[[propertiesString componentsSeparatedByString:@"\n"] mutableCopy];
int longestLocation=0;
for (NSString *string in synthesized){
string=[string stringByReplacingOccurrencesOfString:@"\t" withString:@""];
string=[string stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]];
int location=[string rangeOfString:@";"].location;
if ([string rangeOfString:@";"].location==NSNotFound){
continue;
}
if (location>longestLocation){
longestLocation=location;
}
}
NSMutableArray *newStrings=[NSMutableArray array];
for (NSString *string in synthesized){
int synthesizeLocation=[string rangeOfString:@"//@synth"].location;
if ([string rangeOfString:@"//@synth"].location==NSNotFound){
[newStrings addObject:string];
continue;
}
NSString *copyString=[string substringFromIndex:synthesizeLocation];
int location=[string rangeOfString:@";"].location;
string=[string substringToIndex:location+1];
string=[string stringByPaddingToLength:longestLocation+15 withString:@" " startingAtIndex:0];
string=[string stringByAppendingString:copyString];
[newStrings addObject:string];
}
if (propLenght>0){
propertiesString=[@"\n" stringByAppendingString:[newStrings componentsJoinedByString:@"\n"]];
}
// Gather All Strings
[dumpString appendString:propertiesString];
[dumpString appendString:[generateMethodLines(object_getClass(currentClass),NO,nil) autorelease]];
[dumpString appendString:[generateMethodLines(currentClass,YES,propertiesArrayFromString(propertiesString)) autorelease]];
[dumpString appendString:@"\n@end\n\n"];
if (shouldImportStructs && writeToDisk){
int firstImport=[dumpString rangeOfString:@"#import"].location!=NSNotFound ? [dumpString rangeOfString:@"#import"].location : [dumpString rangeOfString:@"@interface"].location;
NSString *structImport=simpleHeader ? [NSString stringWithFormat:@"#import \"%@-Structs.h\"\n",imageName] : [NSString stringWithFormat:@"#import <%@/%@-Structs.h>\n",imageName,imageName];
[dumpString insertString:structImport atIndex:firstImport];
}
if (writeToDisk && [classesInClass count]>0){
if (!names[i]){
printf("\n stringWithCString names[i] empty \n");
}
[classesInClass removeObject:[NSString stringWithCString:names[i] encoding:NSUTF8StringEncoding]];
if ([classesInClass count]>0){
int firstInteface=[dumpString rangeOfString:@"@interface"].location;
NSMutableString *classesFoundToAdd=[[NSMutableString alloc] init];
[classesFoundToAdd appendString:@"@class "];
for (int f=0; f<classesInClass.count; f++){
NSString *classFound=[classesInClass objectAtIndex:f];
if (f<classesInClass.count-1){
[classesFoundToAdd appendString:[NSString stringWithFormat:@"%@, ",classFound]];
}
else{
[classesFoundToAdd appendString:[NSString stringWithFormat:@"%@;",classFound]];
}
}
[classesFoundToAdd appendString:@"\n\n"];
[dumpString insertString:classesFoundToAdd atIndex:firstInteface];
[classesFoundToAdd release];
}
}
// Write strings to disk or print out
NSError *writeError;
if (writeToDisk){
[[NSFileManager defaultManager] createDirectoryAtPath:writeDir withIntermediateDirectories:YES attributes:nil error:nil];
NSString *fileToWrite=[NSString stringWithCString:names[i] encoding:NSUTF8StringEncoding];
if ([[NSString stringWithCString:names[i] encoding:NSUTF8StringEncoding] isEqual:[[NSString stringWithCString:image encoding:NSUTF8StringEncoding] lastPathComponent]]){
fileToWrite=[[NSString stringWithCString:names[i] encoding:NSUTF8StringEncoding] stringByAppendingString:@"-Class"];
}
if ( ![dumpString writeToFile:[NSString stringWithFormat:@"%@/%@.h",writeDir,fileToWrite] atomically:YES encoding:NSUTF8StringEncoding error:&writeError]){
printf(" Failed to save to directory \"%s\"\n",[writeDir UTF8String]);
exit(1);
if (writeError!=nil){
printf(" %s\n",[[writeError description] UTF8String]);
}
break;
}
}
else{
printf("%s\n\n",[dumpString UTF8String]);
}
if (writeToDisk){
NSString *importStringFrmt=simpleHeader ? [NSString stringWithFormat:@"#import \"%s.h\"\n",names[i]] : [NSString stringWithFormat:@"#import <%@/%s.h>\n",imageName,names[i]];
[classesToImport appendString:importStringFrmt];
}
objc_destructInstance(currentClass);
[dumpString release];
dumpString=[[NSMutableString alloc] init];
[pool drain];
}
// END OF PER-CLASS LOOP
if (actuallyProcesssedCount==0 && onlyOneClass){
printf("\r\n"BOLDWHITE"\t\tlibclassdump-dyld:"RESET" Class \""BOLDWHITE"%s"RESET"\" not found"RESET" in %s\r\n\r\n",[onlyOneClass UTF8String],image);
}
if (writeToDisk && classesToImport.length>2){
[[NSFileManager defaultManager] createDirectoryAtPath:writeDir withIntermediateDirectories:YES attributes:nil error:nil];
if (![classesToImport writeToFile:[NSString stringWithFormat:@"%@/%@.h",writeDir,imageName] atomically:YES encoding:NSUTF8StringEncoding error:nil]){
printf(" Failed to save header list to directory \"%s\"\n",[writeDir UTF8String]);
}
}
[classesToImport release];
CDLog(@"Finished class loop for %s",image);
// Compose FrameworkName-Structs.h file
NSAutoreleasePool *pool=[[NSAutoreleasePool alloc] init];
if ([allStructsFound count]>0){
NSString *structsString=@"";
if (writeToDisk){
NSString *copyrightString=copyrightMessage(image);
structsString=[[[structsString autorelease] stringByAppendingString:copyrightString] retain];
[copyrightString release];
}
NSError *writeError;
if ([classesInStructs count]>0){
structsString=[[[structsString autorelease] stringByAppendingString:@"\n@class "] retain];
for (NSString *string in classesInStructs){
structsString=[[[structsString autorelease] stringByAppendingString:[NSString stringWithFormat:@"%@, ",string]] retain];
}
structsString=[[[structsString autorelease] substringToIndex:structsString.length-2] retain];
structsString=[[[structsString autorelease] stringByAppendingString:@";\n\n"] retain];
}
for (NSDictionary *dict in allStructsFound){
structsString=[[[structsString autorelease] stringByAppendingString:[dict objectForKey:@"representation"]] retain];
}
if (writeToDisk){
[[NSFileManager defaultManager] createDirectoryAtPath:writeDir withIntermediateDirectories:YES attributes:nil error:nil];
if (![structsString writeToFile:[NSString stringWithFormat:@"%@/%@-Structs.h",writeDir,imageName] atomically:YES encoding:NSUTF8StringEncoding error:&writeError]){
printf(" Failed to save structs to directory \"%s\"\n",[writeDir UTF8String]);
if (writeError!=nil){
printf(" %s\n",[[writeError description] UTF8String]);
}
}
}
else{
printf("\n%s\n",[structsString UTF8String]);
}
}
[pool drain];
// Compose FrameworkName-Symbols.h file (more like nm command's output not an actual header anyway)
if (getSymbols){
CDLog(@"In Symbols -> Fetching symbols for %s",image);
struct mach_header * mh=nil;
struct mach_header_64 * mh64=nil;
if (!my_dyld_get_all_image_infos){
findDyldGetAllImageInfosSymbol();
}
dyld_all_image_infos = my_dyld_get_all_image_infos();
for(int i=0; i<dyld_all_image_infos->infoArrayCount; i++) {
if (dyld_all_image_infos->infoArray[i].imageLoadAddress!=NULL){
char *currentImage=(char *)dyld_all_image_infos->infoArray[i].imageFilePath;
if (strlen(currentImage)>0 && !strcmp(currentImage,image)){
if (arch64()){
mh64 = (struct mach_header_64 *)dyld_all_image_infos->infoArray[i].imageLoadAddress;
}
else{
mh = (struct mach_header *)dyld_all_image_infos->infoArray[i].imageLoadAddress;
}
break;
}
}
}
if ((arch64() && mh64==nil) | (!arch64() && mh==nil)){
CDLog(@"Currently dlopened image %s not found in _dyld_image_count (?)",image);
}
else{
unsigned int file_slide;
NSMutableString *symbolsString=nil;
if (!arch64()){
CDLog(@"In Symbols -> Got mach header OK , filetype %d",mh->filetype);
// Thanks to FilippoBiga for the code snippet below
struct segment_command *seg_linkedit = NULL;
struct segment_command *seg_text = NULL;
struct symtab_command *symtab = NULL;
struct load_command *cmd = (struct load_command*)((char*)mh + sizeof(struct mach_header));
CDLog(@"In Symbols -> Iterating header commands for %s",image);
for (uint32_t index = 0; index < mh->ncmds; index++, cmd = (struct load_command*)((char*)cmd + cmd->cmdsize))