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Reject files greater than 4 GiB in 32 bit mode

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Pierre-Olivier Latour
2014-04-30 09:57:12 -07:00
parent 2dda0c98ce
commit 295901c0b3
1 changed files with 7 additions and 0 deletions
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GCDWebServer/Responses/GCDWebServerFileResponse.m
+7
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@@ -81,6 +81,13 @@ static inline NSDate* _NSDateFromTimeSpec(const struct timespec* t) {
ARC_RELEASE(self); ARC_RELEASE(self);
return nil; return nil;
} }
#ifndef __LP64__
if (info.st_size >= (off_t)4294967295) { // In 32 bit mode, we can't handle files greater than 4 GiBs (don't use "NSUIntegerMax" here to avoid potential unsigned to signed conversion issues)
DNOT_REACHED();
ARC_RELEASE(self);
return nil;
}
#endif
NSUInteger fileSize = (NSUInteger)info.st_size; NSUInteger fileSize = (NSUInteger)info.st_size;
BOOL hasByteRange = GCDWebServerIsValidByteRange(range); BOOL hasByteRange = GCDWebServerIsValidByteRange(range);