├── LICENSE ├── README.md └── src ├── call_at_anywhere.xcodeproj ├── project.pbxproj ├── project.xcworkspace │ ├── contents.xcworkspacedata │ └── xcuserdata │ │ └── cccssw.xcuserdatad │ │ └── UserInterfaceState.xcuserstate └── xcuserdata │ └── cccssw.xcuserdatad │ └── xcschemes │ ├── call_at_anywhere.xcscheme │ └── xcschememanagement.plist └── call_at_anywhere ├── ALFunc_Helper.h ├── ALFunc_Helper.m ├── call_at_anywhere-Prefix.pch ├── call_at_anywhere.1 └── main.m /LICENSE: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 2, June 1991 3 | 4 | Copyright (C) 1989, 1991 Free Software Foundation, Inc., 5 | 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 6 | Everyone is permitted to copy and distribute verbatim copies 7 | of this license document, but changing it is not allowed. 8 | 9 | Preamble 10 | 11 | The licenses for most software are designed to take away your 12 | freedom to share and change it. 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If this is what you want to do, use the GNU Lesser General 339 | Public License instead of this License. 340 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | call_at_anywhere 2 | ================ 3 | 4 | calling any functions in any binary files under MacOSX 5 | 6 | For little more details visit at: http://chinaalex.com/post/call_any_functions_in_binary_file 7 | -------------------------------------------------------------------------------- /src/call_at_anywhere.xcodeproj/project.pbxproj: -------------------------------------------------------------------------------- 1 | // !$*UTF8*$! 2 | { 3 | archiveVersion = 1; 4 | classes = { 5 | }; 6 | objectVersion = 46; 7 | objects = { 8 | 9 | /* Begin PBXBuildFile section */ 10 | 4EEA9480183F422500891F5D /* Foundation.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 4EEA947F183F422500891F5D /* Foundation.framework */; 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246 | buildConfigurations = ( 247 | 4EEA948B183F422500891F5D /* Debug */, 248 | 4EEA948C183F422500891F5D /* Release */, 249 | ); 250 | defaultConfigurationIsVisible = 0; 251 | }; 252 | /* End XCConfigurationList section */ 253 | }; 254 | rootObject = 4EEA9474183F422500891F5D /* Project object */; 255 | } 256 | -------------------------------------------------------------------------------- /src/call_at_anywhere.xcodeproj/project.xcworkspace/contents.xcworkspacedata: -------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /src/call_at_anywhere.xcodeproj/project.xcworkspace/xcuserdata/cccssw.xcuserdatad/UserInterfaceState.xcuserstate: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/cccssw/call_at_anywhere/4bdd41f1856fa4c154d593e1ea011022e3261e47/src/call_at_anywhere.xcodeproj/project.xcworkspace/xcuserdata/cccssw.xcuserdatad/UserInterfaceState.xcuserstate -------------------------------------------------------------------------------- /src/call_at_anywhere.xcodeproj/xcuserdata/cccssw.xcuserdatad/xcschemes/call_at_anywhere.xcscheme: -------------------------------------------------------------------------------- 1 | 2 | 5 | 8 | 9 | 15 | 21 | 22 | 23 | 24 | 25 | 30 | 31 | 32 | 33 | 39 | 40 | 41 | 42 | 51 | 52 | 58 | 59 | 60 | 61 | 62 | 63 | 69 | 70 | 76 | 77 | 78 | 79 | 81 | 82 | 85 | 86 | 87 | -------------------------------------------------------------------------------- /src/call_at_anywhere.xcodeproj/xcuserdata/cccssw.xcuserdatad/xcschemes/xcschememanagement.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | SchemeUserState 6 | 7 | call_at_anywhere.xcscheme 8 | 9 | orderHint 10 | 0 11 | 12 | 13 | SuppressBuildableAutocreation 14 | 15 | 4EEA947B183F422500891F5D 16 | 17 | primary 18 | 19 | 20 | 21 | 22 | 23 | -------------------------------------------------------------------------------- /src/call_at_anywhere/ALFunc_Helper.h: -------------------------------------------------------------------------------- 1 | // 2 | // ALFunc_Helper.h 3 | // call_at_anywhere 4 | // 5 | // Created by cccssw on 11/22/13. 6 | // Copyright (c) 2013 cccssw. All rights reserved. 7 | // 8 | 9 | #import 10 | typedef void* (*arbitraryFunction)(); 11 | @interface ALFunc_Helper : NSObject{ 12 | void* _handlers; 13 | arbitraryFunction* _funcAddrs; 14 | } 15 | //this is an example for calling a function in a binary file 16 | -(void)_createFairPlay:(unsigned char*)charArray len:(int)len signature:(char*)sigCharArray sigLen:(int*)sigLen buffer:(char*)buffer bufferLen:(int*)bufferLen;//tested successful 17 | //All you need to do is put the binay file under your LIB_PATH directory,and set the symentic symbol name in the __loadFuncToFileMap function also define your function like above 18 | 19 | -(arbitraryFunction)__funcWrap:(NSString*)name; 20 | @property (nonatomic,readonly)NSDictionary *funcToFileMap; 21 | @property (nonatomic,readonly)NSArray *bundles; 22 | @property (nonatomic,readonly)NSArray *funcs; 23 | 24 | +(id)sharedInstance; 25 | -(void)unloadAll; 26 | -(NSDictionary*)functionAddresses; 27 | 28 | 29 | @end 30 | -------------------------------------------------------------------------------- /src/call_at_anywhere/ALFunc_Helper.m: -------------------------------------------------------------------------------- 1 | // 2 | // ALFunc_Helper.m 3 | // call_at_anywhere 4 | // 5 | // Created by cccssw on 11/22/13. 6 | // Copyright (c) 2013 cccssw. All rights reserved. 7 | // 8 | 9 | #import "ALFunc_Helper.h" 10 | #include 11 | #define LIB_PATH @"libs"//relative path for your binary files 12 | 13 | @implementation ALFunc_Helper 14 | 15 | //your function definitions 16 | -(void)_createFairPlay:(unsigned char*)charArray len:(int)len signature:(char*)sigCharArray sigLen:(int*)sigLen buffer:(char*)buffer bufferLen:(int*)bufferLen 17 | { 18 | arbitraryFunction func = [self __funcWrap:@"_mh_execute_header"]; 19 | //for debug 20 | // if (func==NULL) { 21 | // NSDictionary *ddd = [NSDictionary dictionaryWithObjectsAndKeys:[NSString stringWithFormat:@"%p",func],@"hanlers", nil]; 22 | // [ddd writeToFile:[NSString stringWithFormat:@"/Users/cccssw/test_%@.plist",[NSDate date]] atomically:NO]; 23 | // } 24 | func += 0x021260;//your work to caculate the precise address, or contact me on my blog 25 | func(charArray,len,sigCharArray,sigLen,buffer,bufferLen); 26 | } 27 | 28 | 29 | //end your function definitions 30 | 31 | -(NSDictionary*)__loadFuncToFileMap 32 | { 33 | NSMutableDictionary *mdic = [NSMutableDictionary dictionary]; 34 | [mdic setObject:@"apsd_final" forKey:@"_mh_execute_header"]; 35 | return mdic; 36 | } 37 | 38 | 39 | -(NSDictionary*)functionAddresses 40 | { 41 | NSMutableDictionary *mdic = [NSMutableDictionary dictionary]; 42 | for (NSString* func in _funcToFileMap) { 43 | [mdic setObject:[NSString stringWithFormat:@"%p",[self __funcAddrByFuncName:func]] forKey:func]; 44 | } 45 | return mdic; 46 | } 47 | +(id)sharedInstance 48 | { 49 | static dispatch_once_t onceToken; 50 | __strong static id _sharedObject; 51 | dispatch_once(&onceToken, ^{ 52 | _sharedObject = [[self alloc] init]; 53 | }); 54 | return _sharedObject; 55 | } 56 | -(id)init 57 | { 58 | if (self =[super init]) { 59 | _funcToFileMap = [self __loadFuncToFileMap]; 60 | _bundles = [self __bundles]; 61 | _funcs = [self __funcs]; 62 | 63 | NSUInteger fileNum = [_bundles count]; 64 | NSUInteger funcNum = [_funcs count]; 65 | _handlers = malloc(fileNum*sizeof(void*)); 66 | memset(_handlers, 0, fileNum*sizeof(void*)); 67 | _funcAddrs = malloc(funcNum*sizeof(arbitraryFunction)); 68 | memset(_funcAddrs, 0, funcNum*sizeof(arbitraryFunction)); 69 | } 70 | return self; 71 | } 72 | 73 | 74 | 75 | 76 | 77 | 78 | -(arbitraryFunction)__funcWrap:(NSString*)name 79 | { 80 | arbitraryFunction func = NULL; 81 | @try { 82 | func = [self __funcAddrByFuncName:name]; 83 | } 84 | @catch (NSException *exception) { 85 | //TODO When fails it is up to you to notice or ... 86 | } 87 | @finally { 88 | return func; 89 | } 90 | } 91 | 92 | 93 | 94 | -(void*)__tryLoadBundleForFunc:(NSString*)func 95 | { 96 | NSString *file = [_funcToFileMap objectForKey:func]; 97 | if(file!=nil){ 98 | void *handler = [self __cachedHandlers:file]; 99 | return handler; 100 | } 101 | return NULL; 102 | } 103 | 104 | 105 | 106 | 107 | -(arbitraryFunction)__funcAddrByFuncName:(NSString*)name 108 | { 109 | void*handler = [self __tryLoadBundleForFunc:name]; 110 | if (handler!=NULL) { 111 | NSUInteger index = [_funcs indexOfObject:name]; 112 | int x= index*sizeof(arbitraryFunction); 113 | arbitraryFunction *addrAddress = (arbitraryFunction*)(_funcAddrs)+index; 114 | arbitraryFunction addr = *addrAddress; 115 | if (addr!=NULL) { 116 | return addr; 117 | } 118 | *(void**)(addrAddress) = dlsym(handler,[name UTF8String]); 119 | addr = *addrAddress; 120 | if (addr==NULL) { 121 | @throw ([NSException exceptionWithName:@"bundle_func_error" reason:@"func load failed" userInfo:nil]); 122 | } 123 | return addr; 124 | }else{ 125 | @throw ([NSException exceptionWithName:@"bundle_error" reason:@"bundle load failed" userInfo:nil]); 126 | } 127 | return NULL; 128 | } 129 | 130 | -(void*)__cachedHandlers:(NSString*)fileName 131 | { 132 | arbitraryFunction handler = [self __realCachedHandlers:fileName]; 133 | if (handler==NULL) { 134 | NSUInteger index =[_bundles indexOfObject:fileName]; 135 | void **addr = (void**)(_handlers)+index; 136 | handler = [self __tryLoadBundle:fileName]; 137 | *(addr)= handler; 138 | } 139 | return handler; 140 | } 141 | 142 | -(void*)__realCachedHandlers:(NSString*)fileName 143 | { 144 | if ([_bundles containsObject:fileName]) { 145 | NSUInteger index =[_bundles indexOfObject:fileName]; 146 | void **handlerAddr = (void**)(_handlers)+index; 147 | void* handler = *handlerAddr; 148 | return handler; 149 | } 150 | return NULL; 151 | } 152 | 153 | -(void *)__tryLoadBundle:(NSString*)fileName 154 | { 155 | NSString* path = [[[[NSBundle mainBundle] resourcePath] stringByDeletingLastPathComponent] stringByAppendingPathComponent:LIB_PATH]; 156 | 157 | path = [path stringByAppendingPathComponent:fileName]; 158 | 159 | if ([[NSFileManager defaultManager] fileExistsAtPath:path]) { 160 | void *handler = dlopen([path UTF8String], RTLD_NOW|RTLD_GLOBAL); 161 | return handler; 162 | } 163 | path = [[[NSFileManager defaultManager] currentDirectoryPath] stringByAppendingPathComponent:LIB_PATH]; 164 | path = [path stringByAppendingPathComponent:fileName]; 165 | if ([[NSFileManager defaultManager] fileExistsAtPath:path]) { 166 | void *handler = dlopen([path UTF8String], RTLD_NOW|RTLD_GLOBAL); 167 | return handler; 168 | } 169 | return NULL; 170 | } 171 | 172 | 173 | -(NSArray*)__bundles 174 | { 175 | NSMutableArray *marr = [NSMutableArray array]; 176 | NSDictionary *map = [self __loadFuncToFileMap]; 177 | for (NSString *func in map) { 178 | NSString*file = [map objectForKey:func]; 179 | if (![marr containsObject:file]) { 180 | [marr addObject:file]; 181 | } 182 | } 183 | return marr; 184 | } 185 | -(NSArray*)__funcs 186 | { 187 | NSMutableArray *marr = [NSMutableArray array]; 188 | NSDictionary *map = [self __loadFuncToFileMap]; 189 | for (NSString *func in map) { 190 | if (![marr containsObject:func]) { 191 | [marr addObject:func]; 192 | } 193 | } 194 | return marr; 195 | } 196 | -(void)dealloc 197 | { 198 | for (NSString *name in _bundles) { 199 | void * handler = [self __realCachedHandlers:name]; 200 | if (handler!=NULL) { 201 | dlclose(handler); 202 | } 203 | } 204 | free(_handlers); 205 | free(_funcAddrs); 206 | } 207 | @end 208 | -------------------------------------------------------------------------------- /src/call_at_anywhere/call_at_anywhere-Prefix.pch: -------------------------------------------------------------------------------- 1 | // 2 | // Prefix header for all source files of the 'call_at_anywhere' target in the 'call_at_anywhere' project 3 | // 4 | 5 | #ifdef __OBJC__ 6 | #import 7 | #endif 8 | -------------------------------------------------------------------------------- /src/call_at_anywhere/call_at_anywhere.1: -------------------------------------------------------------------------------- 1 | .\"Modified from man(1) of FreeBSD, the NetBSD mdoc.template, and mdoc.samples. 2 | .\"See Also: 3 | .\"man mdoc.samples for a complete listing of options 4 | .\"man mdoc for the short list of editing options 5 | .\"/usr/share/misc/mdoc.template 6 | .Dd ___DATE___ \" DATE 7 | .Dt ___PACKAGENAME___ 1 \" Program name and manual section number 8 | .Os Darwin 9 | .Sh NAME \" Section Header - required - don't modify 10 | .Nm ___PACKAGENAME___, 11 | .\" The following lines are read in generating the apropos(man -k) database. Use only key 12 | .\" words here as the database is built based on the words here and in the .ND line. 13 | .Nm Other_name_for_same_program(), 14 | .Nm Yet another name for the same program. 15 | .\" Use .Nm macro to designate other names for the documented program. 16 | .Nd This line parsed for whatis database. 17 | .Sh SYNOPSIS \" Section Header - required - don't modify 18 | .Nm 19 | .Op Fl abcd \" [-abcd] 20 | .Op Fl a Ar path \" [-a path] 21 | .Op Ar file \" [file] 22 | .Op Ar \" [file ...] 23 | .Ar arg0 \" Underlined argument - use .Ar anywhere to underline 24 | arg2 ... \" Arguments 25 | .Sh DESCRIPTION \" Section Header - required - don't modify 26 | Use the .Nm macro to refer to your program throughout the man page like such: 27 | .Nm 28 | Underlining is accomplished with the .Ar macro like this: 29 | .Ar underlined text . 30 | .Pp \" Inserts a space 31 | A list of items with descriptions: 32 | .Bl -tag -width -indent \" Begins a tagged list 33 | .It item a \" Each item preceded by .It macro 34 | Description of item a 35 | .It item b 36 | Description of item b 37 | .El \" Ends the list 38 | .Pp 39 | A list of flags and their descriptions: 40 | .Bl -tag -width -indent \" Differs from above in tag removed 41 | .It Fl a \"-a flag as a list item 42 | Description of -a flag 43 | .It Fl b 44 | Description of -b flag 45 | .El \" Ends the list 46 | .Pp 47 | .\" .Sh ENVIRONMENT \" May not be needed 48 | .\" .Bl -tag -width "ENV_VAR_1" -indent \" ENV_VAR_1 is width of the string ENV_VAR_1 49 | .\" .It Ev ENV_VAR_1 50 | .\" Description of ENV_VAR_1 51 | .\" .It Ev ENV_VAR_2 52 | .\" Description of ENV_VAR_2 53 | .\" .El 54 | .Sh FILES \" File used or created by the topic of the man page 55 | .Bl -tag -width "/Users/joeuser/Library/really_long_file_name" -compact 56 | .It Pa /usr/share/file_name 57 | FILE_1 description 58 | .It Pa /Users/joeuser/Library/really_long_file_name 59 | FILE_2 description 60 | .El \" Ends the list 61 | .\" .Sh DIAGNOSTICS \" May not be needed 62 | .\" .Bl -diag 63 | .\" .It Diagnostic Tag 64 | .\" Diagnostic informtion here. 65 | .\" .It Diagnostic Tag 66 | .\" Diagnostic informtion here. 67 | .\" .El 68 | .Sh SEE ALSO 69 | .\" List links in ascending order by section, alphabetically within a section. 70 | .\" Please do not reference files that do not exist without filing a bug report 71 | .Xr a 1 , 72 | .Xr b 1 , 73 | .Xr c 1 , 74 | .Xr a 2 , 75 | .Xr b 2 , 76 | .Xr a 3 , 77 | .Xr b 3 78 | .\" .Sh BUGS \" Document known, unremedied bugs 79 | .\" .Sh HISTORY \" Document history if command behaves in a unique manner -------------------------------------------------------------------------------- /src/call_at_anywhere/main.m: -------------------------------------------------------------------------------- 1 | // 2 | // main.m 3 | // call_at_anywhere 4 | // 5 | // Created by cccssw on 11/22/13. 6 | // Copyright (c) 2013 cccssw. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | int main(int argc, const char * argv[]) 12 | { 13 | 14 | @autoreleasepool { 15 | 16 | // insert code here... 17 | NSLog(@"There is no runable demostrate code here,all magic and convenient things are in ALFunc_Helper Class."); 18 | 19 | } 20 | return 0; 21 | } 22 | 23 | --------------------------------------------------------------------------------