1 /*

     2  * Copyright (C) 2006, 2007 Apple Inc.  All rights reserved.

     3  *

     4  * Redistribution and use in source and binary forms, with or without

     5  * modification, are permitted provided that the following conditions

     6  * are met:

     7  *

     8  * 1.  Redistributions of source code must retain the above copyright

     9  *     notice, this list of conditions and the following disclaimer. 

    10  * 2.  Redistributions in binary form must reproduce the above copyright

    11  *     notice, this list of conditions and the following disclaimer in the

    12  *     documentation and/or other materials provided with the distribution. 

    13  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of

    14  *     its contributors may be used to endorse or promote products derived

    15  *     from this software without specific prior written permission. 

    16  *

    17  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY

    18  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

    19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

    20  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY

    21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

    22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

    23  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND

    24  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

    25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF

    26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

    27  */

    28 

    29 #import <Cocoa/Cocoa.h>

    30 #import <CoreFoundation/CoreFoundation.h>

    31 

    32 void displayErrorAndQuit(NSString *title, NSString *message)

    33 {

    34     NSApplicationLoad();

    35     NSRunCriticalAlertPanel(title, message, @"Quit", nil, nil);

    36     exit(0);

    37 }

    38 

    39 void checkMacOSXVersion()

    40 {

    41     long versionNumber = 0;

    42     OSErr error = Gestalt(gestaltSystemVersion, &versionNumber);

    43     if (error != noErr || versionNumber < 0x1040)

    44         displayErrorAndQuit(@"Mac OS X 10.4 is Required", @"Nightly builds of Drosera require Mac OS X 10.4 or newer.");

    45 }

    46 

    47 static void myExecve(NSString *executable, NSArray *args, NSDictionary *environment)

    48 {

    49     char **argv = (char **)calloc(sizeof(char *), [args count] + 1);

    50     char **env = (char **)calloc(sizeof(char *), [environment count] + 1);

    51     

    52     NSEnumerator *e = [args objectEnumerator];

    53     NSString *s;

    54     int i = 0;

    55     while (s = [e nextObject])

    56         argv[i++] = (char *) [s UTF8String];

    57     

    58     e = [environment keyEnumerator];

    59     i = 0;

    60     while (s = [e nextObject])

    61         env[i++] = (char *) [[NSString stringWithFormat:@"%@=%@", s, [environment objectForKey:s]] UTF8String];

    62    

    63     execve([executable fileSystemRepresentation], argv, env);

    64 }

    65 

    66 int main(int argc, char *argv[])

    67 {

    68     NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];

    69     checkMacOSXVersion();

    70 

    71     CFURLRef webkitURL = nil;

    72     OSStatus err = LSFindApplicationForInfo(kLSUnknownCreator, CFSTR("org.webkit.nightly.WebKit"), nil, nil, &webkitURL);

    73     if (err != noErr)

    74         displayErrorAndQuit(@"Unable to locate WebKit.app", @"Drosera nightly builds require WebKit.app to run. Please check that it is available and then try again.");

    75 

    76     NSBundle *webKitAppBundle = [NSBundle bundleWithPath:[(NSURL *)webkitURL path]];

    77     NSString *frameworkPath = [webKitAppBundle resourcePath];

    78     NSBundle *droseraBundle = [NSBundle bundleWithPath:[[NSBundle mainBundle] pathForResource:@"Drosera" ofType:@"app"]];

    79     NSString *executablePath = [droseraBundle executablePath];

    80     NSString *pathToEnablerLib = [webKitAppBundle pathForResource:@"WebKitNightlyEnabler" ofType:@"dylib"];

    81 

    82     NSMutableArray *arguments = [NSMutableArray arrayWithObjects:executablePath, @"-WebKitDeveloperExtras", @"YES", nil];

    83 

    84     while (*++argv)

    85         [arguments addObject:[NSString stringWithUTF8String:*argv]];

    86 

    87     NSDictionary *environment = [NSDictionary dictionaryWithObjectsAndKeys:frameworkPath, @"DYLD_FRAMEWORK_PATH",

    88         @"YES", @"WEBKIT_UNSET_DYLD_FRAMEWORK_PATH", pathToEnablerLib, @"DYLD_INSERT_LIBRARIES",

    89         [[NSBundle mainBundle] executablePath], @"WebKitAppPath", nil];

    90 

    91     myExecve(executablePath, arguments, environment);

    92 

    93     char *error = strerror(errno);

    94     NSString *errorMessage = [NSString stringWithFormat:@"Launching Drosera at %@ failed with the error '%s' (%d)", [(NSURL *)webkitURL path], error, errno];

    95     displayErrorAndQuit(@"Unable to launch Drosera", errorMessage);

    96 

    97     [pool release];

    98     return 0;

    99 }