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Close #351: a1int::getLong() doesn't handle all error cases

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Check for LONG_MAX and LONG_MIN and throw an error if the returned value
is too big.
This commit is contained in:
Christian Hohnstaedt 2024-08-30 21:47:53 +02:00
parent 6777f7c853
commit a2ea166cac
1 changed files with 6 additions and 3 deletions
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9
lib/asn1int.cpp
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@ -9,6 +9,7 @@
#include "asn1int.h"
#include "func_base.h"
#include "exception.h"
#include "limits.h"
#include <openssl/err.h>
#include <openssl/bn.h>
@ -137,9 +138,11 @@ const ASN1_INTEGER *a1int::get0() const
long a1int::getLong() const
{
long l = ASN1_INTEGER_get(get0());
openssl_error();
return l;
int64_t value;
int r = ASN1_INTEGER_get_int64(&value,get0());
if (r == 0 || value > LONG_MAX || value < LONG_MIN)
throw errorEx(QString("ASN1 Integer: Failed to convert %1 to long").arg(toDec()));
return (long)value;
}
a1int &a1int::operator ++ (void)