1 | // |
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2 | // FSAApp.m |
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3 | // F-Script Anywhere |
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4 | // |
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5 | // Created by Nicholas Riley on Fri Feb 01 2002. |
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6 | // Copyright (c) 2002 Nicholas Riley. All rights reserved. |
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7 | // |
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8 | |
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9 | /* |
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10 | |
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11 | F-Script Anywhere is free software; you can redistribute it and/or modify |
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12 | it under the terms of the GNU General Public License as published by |
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13 | the Free Software Foundation; either version 2 of the License, or |
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14 | (at your option) any later version. |
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15 | |
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16 | F-Script Anywhere is distributed in the hope that it will be useful, |
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17 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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19 | GNU General Public License for more details. |
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20 | |
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21 | You should have received a copy of the GNU General Public License |
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22 | along with F-Script Anywhere; if not, write to the Free Software |
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23 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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24 | |
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25 | */ |
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26 | |
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27 | #import "FSAApp.h" |
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28 | #import "FSAnywhere.h" |
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29 | #import <DSCL/PathManager.h> |
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30 | #import <CoreFoundation/CoreFoundation.h> |
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31 | #import <ApplicationServices/ApplicationServices.h> |
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32 | #import <Security/AuthorizationTags.h> |
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33 | |
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34 | NSString * const PatchBundleIdentifier = @"net.sabi.FScriptAnywhere"; |
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35 | NSString * const PatchBundleName = @"F-Script Anywhere.bundle"; |
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36 | |
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37 | typedef struct { |
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38 | OSStatus err; |
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39 | NSString * const desc; |
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40 | } errRec, errList[]; |
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41 | |
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42 | // These are just educated guesses based on the errors I've seen; I haven't seen these documented anywhere! |
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43 | static errList ERRS = { // XXX change for mach_inject/SCPatch |
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44 | { 5, @"F-Script Anywhere must be installed in a Cocoa application running as the current user.\n\nYou may be attempting to install in a setuid application, which is not supported" }, |
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45 | { 11, @"F-Script Anywhere cannot be installed in itself.\n\nIf you wish to install F-Script Anywhere in itself, make a copy of the F-Script Anywhere application and install one copy into the other" }, |
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46 | { smUnExBusErr, @"a bus error occurred.\n\nTry switching to the application first then using F-Script AnywhereÕs dock menu to install" }, |
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47 | { fnfErr, @"F-Script Anywhere was unable to locate its component to install in the application. Please try reinstalling F-Script Anywhere" }, |
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48 | { cfragDupRegistrationErr, @"another running copy of F-Script Anywhere is already installed in the application"}, |
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49 | { 0, nil } |
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50 | }; |
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51 | |
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52 | NSMutableDictionary *FSA_errors; |
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53 | |
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54 | NSString * FSA_descriptionForOSStatus(OSStatus err) |
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55 | { |
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56 | NSString *desc = nil; |
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57 | |
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58 | if (FSA_errors != nil) |
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59 | desc = [FSA_errors objectForKey: [NSNumber numberWithLong: err]]; |
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60 | |
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61 | if (desc != nil) |
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62 | return desc; |
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63 | |
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64 | return [NSString stringWithFormat: NSLocalizedString(@"an error of type %ld occurred", "Unknown error message used after 'XXX happened because'"), err]; |
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65 | } |
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66 | |
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67 | FSAPatchController::FSAPatchController(FSAApp *fsaApp) |
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68 | { |
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69 | mApp = fsaApp; |
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70 | } |
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71 | |
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72 | void FSAPatchController::PatchNotification(ProcessSerialNumber *inPSN, OSType inCreator, OSType type, CFStringRef name, UInt32 flags) { |
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73 | pid_t pid; |
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74 | OSStatus err = GetProcessPID(inPSN, &pid); |
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75 | |
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76 | NSCAssert3(err == noErr, @"PatchNotification can't get PID for PSN %ld.%ld: error %ld", inPSN->highLongOfPSN, inPSN->lowLongOfPSN, err); |
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77 | |
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78 | FSALog(@"Got patch notification for %@ (pid %d)", (NSString *)name, pid); |
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79 | [mApp controllerIsPatchingApplicationWithProcessID: pid]; |
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80 | } |
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81 | |
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82 | // XXX should remove? |
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83 | void FSAPatchController::ReceiveMessage(const AppleEvent *theAE) { |
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84 | OSErr err = noErr; |
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85 | Size actualSize; |
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86 | DescType actualType; |
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87 | OSType eventClass, eventID; |
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88 | |
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89 | if ((err = AEGetAttributePtr(theAE, keyEventClassAttr, typeType, &actualType, &eventClass, sizeof(OSType), &actualSize)) != noErr) |
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90 | return; |
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91 | if (eventClass != kSCMessageClass) |
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92 | return; |
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93 | |
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94 | if ((err = AEGetAttributePtr(theAE, keyEventIDAttr, typeType, &actualType, &eventID, sizeof(OSType), &actualSize)) != noErr) |
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95 | return; |
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96 | |
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97 | #if 0 |
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98 | if (eventID == kSCLoadResult) { |
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99 | OSStatus |
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100 | (err = AEGetParamPtr(theAE, keyError, typeInteger, &actualType, &error, sizeof(long), &actualSize)) == noErr && |
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101 | (err = AEGetParamPtr(theAE, keyBundleID, typeText, &actualType, bundleID, sizeof(bundleID), &actualSize)) == noErr) |
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102 | bundleID[actualSize] = 0; |
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103 | printf("patch bundle %s loaded with error status %d\n", bundleID, error); |
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104 | } |
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105 | #endif |
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106 | |
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107 | |
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108 | } |
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109 | |
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110 | |
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111 | @implementation FSAApp |
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112 | |
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113 | + (void)initialize; |
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114 | { |
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115 | errRec *rec; |
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116 | |
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117 | FSA_errors = [[NSMutableDictionary alloc] init]; |
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118 | for (rec = &(ERRS[0]) ; rec->err != 0 ; rec++) |
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119 | [FSA_errors setObject: rec->desc forKey: [NSNumber numberWithLong: rec->err]]; |
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120 | } |
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121 | |
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122 | -(void)installFScript |
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123 | { |
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124 | OSStatus myStatus; |
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125 | |
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126 | NSString *installPath = nil; |
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127 | if([[NSFileManager defaultManager] fileExistsAtPath:@"/Library/Frameworks/FScript.framework"]) |
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128 | installPath = @"/Library/Frameworks/FScript.framework"; |
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129 | if([[NSFileManager defaultManager] fileExistsAtPath:[@"~/Library/Frameworks/FScript.framework" stringByExpandingTildeInPath]]) |
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130 | installPath = [@"~/Library/Frameworks/FScript.framework" stringByExpandingTildeInPath]; |
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131 | |
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132 | if(installPath){ |
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133 | [[NSFileManager defaultManager] removeFileAtPath:installPath handler:nil]; |
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134 | } |
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135 | |
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136 | if(!installPath){ |
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137 | switch([[NSAlert alertWithMessageText:@"Install F-Script" |
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138 | defaultButton:@"Current User" |
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139 | alternateButton:@"All Users" |
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140 | otherButton:nil |
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141 | informativeTextWithFormat:@"No previous version of F-Script found. You can choose to install for just your current user (~/Library/Frameworks) or for all users (/Library/Frameworks)."] runModal]){ |
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142 | case NSAlertDefaultReturn: // Current user |
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143 | installPath = [@"~/Library/Frameworks/FScript.framework" stringByExpandingTildeInPath]; |
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144 | break; |
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145 | case NSAlertAlternateReturn: // All users |
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146 | installPath = @"/Library/Frameworks/FScript.framework"; |
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147 | break; |
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148 | default: |
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149 | break; |
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150 | } |
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151 | } |
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152 | |
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153 | NSString *fromPath = [[NSBundle mainBundle] pathForResource:@"FScript" ofType:@"framework"]; |
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154 | if(![[NSFileManager defaultManager] fileExistsAtPath:[installPath stringByDeletingLastPathComponent]]){ |
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155 | if ([[NSFileManager defaultManager] isWritableFileAtPath:installPath]){ |
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156 | [[NSFileManager defaultManager] createDirectoryAtPath:[installPath stringByDeletingLastPathComponent] |
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157 | attributes:nil]; |
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158 | } else { |
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159 | [self createAuthorization]; |
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160 | NSString *myToolPath = @"/bin/mkdir"; |
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161 | char *myArguments[] = { (char *)[[installPath stringByDeletingLastPathComponent] UTF8String], NULL }; |
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162 | myStatus = AuthorizationExecuteWithPrivileges(myAuthorizationRef, [myToolPath UTF8String], |
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163 | myFlags, myArguments, |
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164 | NULL); |
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165 | } |
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166 | } |
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167 | if([[NSFileManager defaultManager] isWritableFileAtPath:[installPath stringByDeletingLastPathComponent]]){ |
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168 | [[NSFileManager defaultManager] copyPath:fromPath toPath:installPath handler:nil]; |
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169 | } else { |
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170 | [self createAuthorization]; |
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171 | NSString *myToolPath = @"/bin/cp"; |
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172 | char *myArguments[] = { "-r", (char *)[fromPath UTF8String], (char *)[installPath UTF8String], NULL }; |
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173 | myStatus = AuthorizationExecuteWithPrivileges(myAuthorizationRef, [myToolPath UTF8String], |
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174 | myFlags, myArguments, |
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175 | NULL); |
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176 | } |
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177 | } |
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178 | |
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179 | - (BOOL)_shouldContinueAfterFrameworkErrorPanelReturnedWithResult:(int)result; |
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180 | { |
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181 | switch (result) { |
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182 | case NSAlertOtherReturn: |
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183 | return true; |
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184 | case NSAlertAlternateReturn: /* Install from resources */ |
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185 | [self installFScript]; |
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186 | return true; |
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187 | case NSAlertDefaultReturn: |
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188 | default: |
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189 | [self terminate: self]; |
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190 | return false; |
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191 | } |
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192 | } |
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193 | |
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194 | -(BOOL)createAuthorization |
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195 | { |
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196 | if(myAuthorizationRef) |
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197 | return YES; |
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198 | |
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199 | OSStatus myStatus; |
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200 | myFlags = kAuthorizationFlagDefaults; |
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201 | |
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202 | myStatus = AuthorizationCreate(NULL, kAuthorizationEmptyEnvironment, |
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203 | myFlags, &myAuthorizationRef); |
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204 | if(myStatus != errAuthorizationSuccess) |
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205 | return NO; |
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206 | |
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207 | AuthorizationItem myItems = {kAuthorizationRightExecute, 0, NULL, 0}; |
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208 | AuthorizationRights myRights = {1, &myItems}; |
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209 | |
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210 | myFlags = kAuthorizationFlagDefaults |
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211 | | kAuthorizationFlagInteractionAllowed |
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212 | | kAuthorizationFlagPreAuthorize |
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213 | | kAuthorizationFlagExtendRights; |
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214 | myStatus = AuthorizationCopyRights(myAuthorizationRef, &myRights, |
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215 | NULL, myFlags, NULL); |
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216 | |
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217 | if(myStatus != errAuthorizationSuccess) |
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218 | return NO; |
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219 | |
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220 | myFlags = kAuthorizationFlagDefaults; |
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221 | return YES; |
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222 | } |
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223 | |
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224 | -(tDirStatus)authorizeAndAddToProcMod:(NSString *)username |
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225 | { |
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226 | OSStatus myStatus; |
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227 | |
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228 | if(![self createAuthorization]) |
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229 | return eDSAuthFailed; |
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230 | |
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231 | NSString *myToolPath = [[NSBundle mainBundle] pathForResource:@"AddToProcMod" ofType:@""]; |
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232 | char *myArguments[] = { (char *)[username UTF8String], NULL }; |
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233 | FILE *myCommunicationsPipe = NULL; |
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234 | char myReadBuffer[128]; |
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235 | myStatus = AuthorizationExecuteWithPrivileges(myAuthorizationRef, [myToolPath UTF8String], |
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236 | myFlags, myArguments, |
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237 | &myCommunicationsPipe); |
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238 | |
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239 | int didRead = 0; |
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240 | int lastRead; |
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241 | while((lastRead = read(fileno(myCommunicationsPipe), myReadBuffer, sizeof(myReadBuffer) - didRead - 1)) && (lastRead > 0)) |
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242 | didRead += lastRead; |
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243 | |
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244 | myReadBuffer[didRead - 1] = 0; |
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245 | |
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246 | return (tDirStatus)strtol(myReadBuffer, NULL, 10); |
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247 | } |
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248 | |
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249 | - (void)finishLaunching |
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250 | { |
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251 | #ifdef __i386__ |
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252 | if(![[NSUserDefaults standardUserDefaults] objectForKey:@"doPathCheck"]) |
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253 | [[NSUserDefaults standardUserDefaults] setBool:YES forKey:@"doPathCheck"]; |
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254 | |
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255 | if([[NSUserDefaults standardUserDefaults] boolForKey:@"doPathCheck"]){ |
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256 | top: |
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257 | PathManager *pm = [[PathManager alloc] initWithLocalNode]; |
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258 | [pm backupStack]; |
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259 | [pm cd:@"/Groups/procmod"]; |
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260 | CFDictionaryRef sessionInfoDict = CGSessionCopyCurrentDictionary(); |
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261 | if(sessionInfoDict){ |
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262 | CFStringRef shortUserName = (CFStringRef)CFDictionaryGetValue(sessionInfoDict, kCGSessionUserNameKey); |
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263 | if(![[[pm lastObject] readArray:@"GroupMembership"] containsObject:(NSString *)shortUserName]){ |
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264 | switch([[NSAlert alertWithMessageText:[NSString stringWithFormat:@"User %@ not in the procmod group", shortUserName] |
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265 | defaultButton:@"Add me" |
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266 | alternateButton:@"Disable checking" |
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267 | otherButton:@"Ignore message" |
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268 | informativeTextWithFormat:@"F-Script Anywhere requires that you add yourself to the procmod " |
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269 | "group in order for it to function properly. If you like, F-Script Anywhere can automatically add you " |
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270 | "to the procmod group."] runModal]){ |
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271 | case NSAlertDefaultReturn: |
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272 | { |
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273 | tDirStatus status = [self authorizeAndAddToProcMod:(NSString *)shortUserName]; |
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274 | if(status != eDSNoErr){ |
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275 | [[NSAlert alertWithMessageText:@"Error adding to procmod group" |
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276 | defaultButton:nil |
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277 | alternateButton:nil |
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278 | otherButton:nil |
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279 | informativeTextWithFormat:@"There was an error (%@) adding you to the procmod group. ", [[NSClassFromString(@"DSoStatus") sharedInstance] stringForStatus:status]] runModal]; |
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280 | } |
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281 | } |
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282 | [pm restoreStack]; |
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283 | [pm release]; |
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284 | goto top; |
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285 | case NSAlertAlternateReturn: |
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286 | [[NSUserDefaults standardUserDefaults] setBool:NO forKey:@"doPathCheck"]; |
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287 | break; |
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288 | default: |
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289 | break; |
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290 | } |
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291 | } |
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292 | } |
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293 | [pm restoreStack]; |
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294 | [pm release]; |
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295 | } |
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296 | #endif |
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297 | patchController = new FSAPatchController(self); |
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298 | patchController->AddPatch((CFStringRef)PatchBundleIdentifier, CFSTR("Contents/Resources/"), |
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299 | (CFStringRef)PatchBundleName); |
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300 | |
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301 | NSEnumerator *e = [[appList cocoaAppProcessIDs] objectEnumerator]; |
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302 | pid_t pid; |
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303 | ProcessSerialNumber psn; |
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304 | OSStatus err; |
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305 | |
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306 | while ( (pid = [[e nextObject] longValue]) != 0) { |
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307 | err = GetProcessForPID(pid, &psn); |
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308 | |
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309 | if (err != noErr) { |
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310 | NSLog(@"Can't get PSN for PID %ld", pid); |
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311 | [appList applicationQuitWithProcessID: pid]; |
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312 | } else if (patchController->IsProcessPatched(&psn)) { |
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313 | [appList didPatchProcessID: pid]; |
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314 | } |
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315 | } |
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316 | |
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317 | // yes, someone could move the framework while the app is running, but they deserve what they get. |
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318 | NSFileManager *fileMgr = [NSFileManager defaultManager]; |
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319 | NSArray *libraryDirectories = |
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320 | NSSearchPathForDirectoriesInDomains(NSLibraryDirectory, NSAllDomainsMask, TRUE); |
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321 | NSString *libPath; |
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322 | NSString *frameworkPath; |
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323 | CFBundleRef frameworkBundle = NULL; |
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324 | BOOL isDirectory; |
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325 | |
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326 | e = [libraryDirectories objectEnumerator]; |
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327 | while ( (libPath = [e nextObject]) != nil) { |
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328 | frameworkPath = [[libPath stringByAppendingPathComponent: @"Frameworks"] |
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329 | stringByAppendingPathComponent: @"FScript.framework"]; |
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330 | if ([fileMgr fileExistsAtPath: frameworkPath isDirectory: &isDirectory] && isDirectory) { |
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331 | frameworkBundle = CFBundleCreate(kCFAllocatorDefault, (CFURLRef)[NSURL fileURLWithPath: frameworkPath]); |
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332 | [(id)frameworkBundle autorelease]; |
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333 | break; |
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334 | } |
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335 | } |
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336 | FSALog(@"Framework bundle"); |
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337 | FSAShow(frameworkBundle); |
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338 | [super finishLaunching]; |
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339 | if (frameworkBundle == NULL) { |
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340 | int result = NSRunInformationalAlertPanel( |
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341 | NSLocalizedString(@"F-Script Framework Not Found", "Framework not found alert title"), |
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342 | NSLocalizedString(@"F-Script Anywhere requires the F-Script framework be installed in a Frameworks directory, such as ~/Library/Frameworks or /Library/Frameworks.\n\nTo download F-Script, please visit its Web site\n%@.\n\nThis package also includes a copy of F-Script for your convenience that can be installed easily by clicking below. Note that there may be a more recent version of F-Script available from the F-Script web site.\n\nIf you believe this message is in error, click '%@'.", |
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343 | "Framework not found alert message, F-Script Web site URL parameter, 'Continue' button parameter"), |
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344 | NSLocalizedString(@"Quit", "Quit button title"), |
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345 | NSLocalizedString(@"Install F-Script", "'Get F-Script' button title"), |
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346 | NSLocalizedString(@"Continue", "Continue button title"), |
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347 | FSA_FScriptURL, NSLocalizedString(@"Continue", "")); |
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348 | if (![self _shouldContinueAfterFrameworkErrorPanelReturnedWithResult: result]) return; |
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349 | } else { |
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350 | UInt32 version = CFBundleGetVersionNumber(frameworkBundle); |
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351 | FSALog(@"Framework version 0x%x", version); |
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352 | if (version < FSA_FSCRIPT_MIN_VERSION) { |
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353 | NSString *frameworkVersion = (NSString *)CFBundleGetValueForInfoDictionaryKey(frameworkBundle, kCFBundleVersionKey); |
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354 | if (frameworkVersion == nil) |
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355 | frameworkVersion = NSLocalizedString(@"unavailable", "Framework too old 'unavailable' version"); |
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356 | int result = NSRunInformationalAlertPanel( |
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357 | NSLocalizedString(@"F-Script Framework Too Old", "Framework too old alert title"), |
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358 | NSLocalizedString(@"F-Script Anywhere %s requires version %@ or later of the F-Script framework be installed in a Frameworks directory, such as ~/Library/Frameworks or /Library/Frameworks. The installed version is %@.\n\nTo upgrade F-Script, please visit its Web site\n%@.\n\nThis package also includes a copy of F-Script for your convenience that can be installed easily by clicking below. Note that there may be a more recent version of F-Script available from the F-Script web site.\n\nTo use this version of F-Script regardless of the problems you may experience, click '%@'.", |
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359 | "Framework too old alert message, FSA version parameter, minimum F-Script version parameter, current F-Script version parameter, F-Script Web site URL parameter, 'Continue' button parameter"), |
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360 | NSLocalizedString(@"Quit", "Quit button title"), |
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361 | NSLocalizedString(@"Install F-Script", "'Get F-Script' button title"), |
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362 | NSLocalizedString(@"Continue", "Continue button title"), |
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363 | FSA_VERSION, FSA_FScriptMinimumVersion, frameworkVersion, |
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364 | FSA_FScriptURL, NSLocalizedString(@"Install F-Script", "")); |
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365 | if (![self _shouldContinueAfterFrameworkErrorPanelReturnedWithResult: result]) return; |
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366 | } |
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367 | } |
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368 | |
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369 | if(myAuthorizationRef){ |
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370 | AuthorizationFree(myAuthorizationRef, kAuthorizationFlagDefaults); |
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371 | myAuthorizationRef = nil; |
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372 | } |
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373 | |
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374 | NSNotificationCenter *workspaceNotificationCenter = [[NSWorkspace sharedWorkspace] notificationCenter]; |
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375 | [workspaceNotificationCenter |
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376 | addObserver: self |
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377 | selector: @selector(applicationDidLaunch:) |
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378 | name: NSWorkspaceWillLaunchApplicationNotification |
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379 | object: nil]; |
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380 | [workspaceNotificationCenter |
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381 | addObserver: self |
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382 | selector: @selector(applicationDidTerminate:) |
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383 | name: NSWorkspaceDidTerminateApplicationNotification |
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384 | object: nil]; |
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385 | |
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386 | [appListWindow makeKeyAndOrderFront: self]; |
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387 | } |
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388 | |
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389 | - (void)installationError:(OSStatus)err inAppWithPID:(pid_t)pid; |
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390 | { |
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391 | NSBeginAlertSheet(NSLocalizedString(@"Installation failed", "Unable to install alert title"), |
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392 | nil, nil, nil, appListWindow, self, nil, nil, nil, |
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393 | NSLocalizedString(@"F-Script Anywhere was unable to install itself in the selected application (process ID %d), because %@.\n\nThe application may have crashed; restart it if needed.", "Unable to install alert message, PID parameter, 'XXX happened because' explanation parameter"), |
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394 | pid, FSA_descriptionForOSStatus(err)); |
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395 | } |
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396 | |
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397 | - (void)installBundleInAppWithPID:(pid_t)pid; |
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398 | { |
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399 | if (pid == -1) return; |
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400 | |
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401 | ProcessSerialNumber psn; |
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402 | OSStatus err = GetProcessForPID(pid, &psn); |
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403 | |
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404 | if (err == noErr) |
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405 | err = patchController->PatchProcess(&psn); |
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406 | |
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407 | if (err != noErr) |
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408 | [self installationError: err inAppWithPID: pid]; |
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409 | else |
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410 | [appList didPatchProcessID: pid]; |
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411 | } |
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412 | |
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413 | - (void)loaderBundleMessage:(NSNotification *)notification; |
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414 | { |
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415 | /* |
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416 | if (error) { |
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417 | [self installationError: error inAppWithPID: pid]; |
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418 | } else { |
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419 | [appList didPatchProcessID: pid]; |
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420 | } */ |
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421 | } |
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422 | |
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423 | - (IBAction)installBundleInSelectedApp:(id)sender; |
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424 | { |
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425 | [self installBundleInAppWithPID: [appList selectedProcessID]]; |
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426 | } |
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427 | |
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428 | // from dock menu only! |
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429 | - (IBAction)installBundleInFrontmostApp:(id)sender; |
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430 | { |
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431 | NSAssert1([sender tag] > 0, @"Unable to determine frontmost application from %@", sender); |
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432 | [self installBundleInAppWithPID: (pid_t)[sender tag]]; |
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433 | } |
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434 | |
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435 | @end |
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436 | |
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437 | @implementation FSAApp (FSAPatchControllerDelegate) |
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438 | |
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439 | - (void)controllerIsPatchingApplicationWithProcessID:(pid_t)pid; |
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440 | { |
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441 | [appList isPatchingProcessID: pid]; |
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442 | } |
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443 | |
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444 | @end |
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445 | |
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446 | @implementation FSAApp (NSWorkspaceNotifications) |
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447 | |
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448 | - (void)applicationDidLaunch:(NSNotification *)notification; |
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449 | { |
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450 | [appList applicationLaunchedWithProcessID: [[[notification userInfo] objectForKey: @"NSApplicationProcessIdentifier"] intValue]]; |
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451 | } |
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452 | |
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453 | - (void)applicationDidTerminate:(NSNotification *)notification; |
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454 | { |
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455 | [appList applicationQuitWithProcessID: [[[notification userInfo] objectForKey: @"NSApplicationProcessIdentifier"] intValue]]; |
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456 | } |
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457 | |
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458 | @end |
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