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holy crap this code is fugly but it works
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chendo
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Aug 17, 2009
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<?xml version="1.0" encoding="UTF-8"?> | ||
<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd"> | ||
<!-- | ||
Keymap.plist | ||
Telefrag | ||
Created by chendo on 18/08/09. | ||
Copyright 2009 __MyCompanyName__. All rights reserved. | ||
--> | ||
<plist version="1.0"> | ||
<dict> | ||
<key>123</key><integer>123</integer> | ||
<key>99</key><integer>122</integer> | ||
<key>15</key><integer>35</integer> | ||
<key>36</key><integer>36</integer> | ||
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<key>41</key><integer>1</integer> | ||
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<key>0</key><integer>0</integer> | ||
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<key>1</key><integer>31</integer> | ||
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<key>72</key><integer>125</integer> | ||
<key>116</key><integer>116</integer> | ||
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<key>117</key><integer>117</integer> | ||
<key>95</key><integer>95</integer> | ||
<key>32</key><integer>5</integer> | ||
<key>3</key><integer>32</integer> | ||
<key>53</key><integer>71</integer> | ||
<key>118</key><integer>122</integer> | ||
<key>96</key><integer>122</integer> | ||
<key>4</key><integer>2</integer> | ||
<key>75</key><integer>75</integer> | ||
<key>11</key><integer>7</integer> | ||
<key>120</key><integer>122</integer> | ||
<key>119</key><integer>119</integer> | ||
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<key>5</key><integer>34</integer> | ||
<key>76</key><integer>76</integer> | ||
<key>12</key><integer>39</integer> | ||
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<key>121</key><integer>121</integer> | ||
<key>100</key><integer>122</integer> | ||
<key>98</key><integer>122</integer> | ||
<key>13</key><integer>95</integer> | ||
<key>34</key><integer>8</integer> | ||
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<key>122</key><integer>122</integer> | ||
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<key>35</key><integer>37</integer> | ||
<key>7</key><integer>12</integer> | ||
<key>77</key><integer>126</integer> | ||
</dict> | ||
</plist> |
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// | ||
// MethodSwizzle.h | ||
// Telefrag | ||
// | ||
// Created by chendo on 17/08/09. | ||
// Copyright 2009 __MyCompanyName__. All rights reserved. | ||
// | ||
|
||
#import <objc/objc.h> | ||
|
||
BOOL ClassMethodSwizzle(Class klass, SEL origSel, SEL altSel); | ||
BOOL MethodSwizzle(Class klass, SEL origSel, SEL altSel); |
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#import "MethodSwizzle.h" | ||
#import <stdlib.h> | ||
#import <string.h> | ||
#import <objc/objc-runtime.h> | ||
#import <objc/objc-class.h> | ||
#import <uuid/uuid.h> | ||
|
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static BOOL _PerformSwizzle(Class klass, SEL origSel, SEL altSel, BOOL forInstance); | ||
|
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BOOL ClassMethodSwizzle(Class klass, SEL origSel, SEL altSel) { | ||
return _PerformSwizzle(klass, origSel, altSel, NO); | ||
} | ||
|
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BOOL MethodSwizzle(Class klass, SEL origSel, SEL altSel) { | ||
return _PerformSwizzle(klass, origSel, altSel, YES); | ||
} | ||
|
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// if the origSel isn't present in the class, pull it up from where it exists | ||
// then do the swizzle | ||
BOOL _PerformSwizzle(Class klass, SEL origSel, SEL altSel, BOOL forInstance) { | ||
// First, make sure the class isn't nil | ||
if (klass != nil) { | ||
Method origMethod = NULL, altMethod = NULL; | ||
|
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// Next, look for the methods | ||
Class iterKlass = (forInstance ? klass : klass->isa); | ||
void *iterator = NULL; | ||
struct objc_method_list *mlist = class_nextMethodList(iterKlass, &iterator); | ||
while (mlist != NULL) { | ||
int i; | ||
for (i = 0; i < mlist->method_count; ++i) { | ||
if (mlist->method_list[i].method_name == origSel) { | ||
origMethod = &mlist->method_list[i]; | ||
break; | ||
} | ||
if (mlist->method_list[i].method_name == altSel) { | ||
altMethod = &mlist->method_list[i]; | ||
break; | ||
} | ||
} | ||
mlist = class_nextMethodList(iterKlass, &iterator); | ||
} | ||
|
||
if (origMethod == NULL || altMethod == NULL) { | ||
// one or both methods are not in the immediate class | ||
// try searching the entire hierarchy | ||
// remember, iterKlass is the class we care about - klass || klass->isa | ||
// class_getInstanceMethod on a metaclass is the same as class_getClassMethod on the real class | ||
BOOL pullOrig = NO, pullAlt = NO; | ||
if (origMethod == NULL) { | ||
origMethod = class_getInstanceMethod(iterKlass, origSel); | ||
pullOrig = YES; | ||
} | ||
if (altMethod == NULL) { | ||
altMethod = class_getInstanceMethod(iterKlass, altSel); | ||
pullAlt = YES; | ||
} | ||
|
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// die now if one of the methods doesn't exist anywhere in the hierarchy | ||
// this way we won't make any changes to the class if we can't finish | ||
if (origMethod == NULL || altMethod == NULL) { | ||
return NO; | ||
} | ||
|
||
// we can safely assume one of the two methods, at least, will be pulled | ||
// pull them up | ||
size_t listSize = sizeof(struct objc_method_list); | ||
if (pullOrig && pullAlt) listSize += sizeof(struct objc_method); // need 2 methods | ||
struct objc_method_list *mlist = malloc(listSize); | ||
mlist->obsolete = NULL; | ||
int i = 0; | ||
if (pullOrig) { | ||
memcpy(&mlist->method_list[i], origMethod, sizeof(struct objc_method)); | ||
origMethod = &mlist->method_list[i]; | ||
i++; | ||
} | ||
if (pullAlt) { | ||
memcpy(&mlist->method_list[i], altMethod, sizeof(struct objc_method)); | ||
altMethod = &mlist->method_list[i]; | ||
i++; | ||
} | ||
mlist->method_count = i; | ||
class_addMethods(iterKlass, mlist); | ||
} | ||
|
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// now swizzle | ||
IMP temp = origMethod->method_imp; | ||
origMethod->method_imp = altMethod->method_imp; | ||
altMethod->method_imp = temp; | ||
|
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return YES; | ||
} | ||
return NO; | ||
} |
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// | ||
// TPServerController.h | ||
// Telefrag | ||
// | ||
// Created by chendo on 17/08/09. | ||
// Copyright 2009 __MyCompanyName__. All rights reserved. | ||
// | ||
|
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#import <Cocoa/Cocoa.h> | ||
|
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|
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@interface TFServerController : NSObject | ||
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+ (void)hook_startControlWithInfoDict:(id)arg1; | ||
|
||
@end |
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// | ||
// TPServerController.m | ||
// Telefrag | ||
// | ||
// Created by chendo on 17/08/09. | ||
// Copyright 2009 __MyCompanyName__. All rights reserved. | ||
// | ||
|
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#import "TFServerController.h" | ||
|
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|
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@implementation TFServerController : NSObject | ||
|
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+ (void)hook_startControlWithInfoDict:(id)arg1 { | ||
NSLog(@"HOOK CALLED: %@", arg1); | ||
[self hook_startControlWithInfoDict:arg1]; | ||
} | ||
|
||
@end |
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