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* ext/openssl/ossl_bn.c (ossl_bn_initialize): Use rb_integer_pack.
Fix SEGV by OpenSSL::BN.new(1 << (2**34)). git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44909 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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2 changed files with 15 additions and 12 deletions
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@ -1,3 +1,8 @@
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Tue Feb 11 22:59:10 2014 Tanaka Akira <akr@fsij.org>
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* ext/openssl/ossl_bn.c (ossl_bn_initialize): Use rb_integer_pack.
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Fix SEGV by OpenSSL::BN.new(1 << (2**34)).
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Tue Feb 11 17:00:38 2014 Zachary Scott <e@zzak.io>
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* ext/tk/README.tcltklib: [DOC] Fix typo by @xta [Fixes GH-532]
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@ -140,26 +140,24 @@ ossl_bn_initialize(int argc, VALUE *argv, VALUE self)
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return self;
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}
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else if (RB_TYPE_P(str, T_BIGNUM)) {
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int i, j, len = RBIGNUM_LENINT(str);
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BDIGIT *ds = RBIGNUM_DIGITS(str);
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size_t len = rb_absint_size(str, NULL);
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unsigned char *bin;
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VALUE buf;
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unsigned char *bin = (unsigned char*)ALLOCV_N(BDIGIT, buf, len);
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int sign;
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for (i = 0; len > i; i++) {
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BDIGIT v = ds[i];
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for (j = SIZEOF_BDIGITS - 1; 0 <= j; j--) {
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bin[(len-1-i)*SIZEOF_BDIGITS+j] = v&0xff;
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v >>= 8;
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}
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}
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if (INT_MAX < len) {
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rb_raise(eBNError, "bignum too long");
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}
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bin = (unsigned char*)ALLOCV_N(unsigned char, buf, len);
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sign = rb_integer_pack(str, bin, len, 1, 0, INTEGER_PACK_BIG_ENDIAN);
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GetBN(self, bn);
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if (!BN_bin2bn(bin, (int)SIZEOF_BDIGITS*len, bn)) {
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if (!BN_bin2bn(bin, (int)len, bn)) {
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ALLOCV_END(buf);
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ossl_raise(eBNError, NULL);
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}
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ALLOCV_END(buf);
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if (!RBIGNUM_SIGN(str)) BN_set_negative(bn, 1);
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if (sign < 0) BN_set_negative(bn, 1);
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return self;
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}
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if (RTEST(rb_obj_is_kind_of(str, cBN))) {
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