following code is executed as root in a test foundation tool.
it simply copies the localtime symlink (/etc/localtime) to another
partition and then tries to clone
its fileattributes. if a copy of the source fileattributes dictionary
is used
instead of the original one, the changefileattributes call damages the
target
of the symlink replacing it with a broken symlink.
(ie /usr/share/zoneinfo/yourzone will be damaged, destroying your
timezone setting.
make a copy before testing this!)
if the original dict is used, everything is fine.
i nslogged both dicts and both are identical.
(only in this example code i use a trivial copy of the attributes
dict. the original code has to use
a mutable copy to alter the permission flags between source and
target. since this modification
is not related to the issue i have altered the testcode to just use a
trivial copy)
thanks and regards
thomas bauer - freeridecoding
#import <Foundation/Foundation.h>
int main (int argc, const char * argv[]) {
NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
// [fm changeFileAttributes:copyattrs atPath:@"/Volumes/tigerclone/
localtime"]; // THIS BREAKS TARGET OF SOURCE SYMLINK
[fm changeFileAttributes:sourceAttributes atPath:@"/Volumes/
tigerclone/localtime"]; //THIS IS OK
[pool release];
return 0;
}
d
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