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Check for bad data

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@35284 72102866-910b-0410-8b05-ffd578937521
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rfm 2012-07-11 12:57:31 +00:00
parent c456ffd519
commit de29619531
2 changed files with 15 additions and 0 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2012-07-11 Richard Frith-Macdonald <rfm@gnu.org>
* Source/Additions/GSMime.m: Don't accept documents where header lines
contain bytes which can't be converted to a string.
2012-07-11 Richard Frith-Macdonald <rfm@gnu.org> 2012-07-11 Richard Frith-Macdonald <rfm@gnu.org>
* Source/NSKeyedArchiver.m: * Source/NSKeyedArchiver.m:

10
Source/Additions/GSMime.m
View file

@ -1538,6 +1538,10 @@ wordData(NSString *word)
[data appendData: d]; [data appendData: d];
bytes = (unsigned char*)[data bytes]; bytes = (unsigned char*)[data bytes];
dataEnd = [data length]; dataEnd = [data length];
/* We need more data, so we have to return YES
* to ask our caller to provide it.
*/
return YES;
} }
else else
{ {
@ -2917,6 +2921,12 @@ unfold(const unsigned char *src, const unsigned char *end, BOOL *folded)
encoding: NSUTF8StringEncoding]; encoding: NSUTF8StringEncoding];
} }
} }
if (nil == s)
{
NSLog(@"Bad header ... illegal characters");
flags.hadErrors = 1;
return nil;
}
[hdr appendString: s]; [hdr appendString: s];
RELEASE(s); RELEASE(s);
} }