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Make buffer for certificate subjects bigger.

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Flush buffer between reads (in case we still get something with a longer subject).

Addresses BIT-1195
This commit is contained in:
Bernhard Amann 2014-05-30 15:31:33 -07:00
parent 8ec8dfa705
commit bb09de7828
1 changed files with 3 additions and 1 deletions
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4
src/file_analysis/analyzer/x509/X509.cc
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@ -88,7 +88,7 @@ RecordVal* file_analysis::X509::ParseCertificate(X509Val* cert_val)
{ {
::X509* ssl_cert = cert_val->GetCertificate(); ::X509* ssl_cert = cert_val->GetCertificate();
char buf[256]; // we need a buffer for some of the openssl functions char buf[1024]; // we need a buffer for some of the openssl functions
memset(buf, 0, sizeof(buf)); memset(buf, 0, sizeof(buf));
RecordVal* pX509Cert = new RecordVal(BifType::Record::X509::Certificate); RecordVal* pX509Cert = new RecordVal(BifType::Record::X509::Certificate);
@ -98,10 +98,12 @@ RecordVal* file_analysis::X509::ParseCertificate(X509Val* cert_val)
i2a_ASN1_INTEGER(bio, X509_get_serialNumber(ssl_cert)); i2a_ASN1_INTEGER(bio, X509_get_serialNumber(ssl_cert));
int len = BIO_read(bio, &(*buf), sizeof(buf)); int len = BIO_read(bio, &(*buf), sizeof(buf));
pX509Cert->Assign(1, new StringVal(len, buf)); pX509Cert->Assign(1, new StringVal(len, buf));
BIO_reset(bio);
X509_NAME_print_ex(bio, X509_get_subject_name(ssl_cert), 0, XN_FLAG_RFC2253); X509_NAME_print_ex(bio, X509_get_subject_name(ssl_cert), 0, XN_FLAG_RFC2253);
len = BIO_gets(bio, &(*buf), sizeof(buf)); len = BIO_gets(bio, &(*buf), sizeof(buf));
pX509Cert->Assign(2, new StringVal(len, buf)); pX509Cert->Assign(2, new StringVal(len, buf));
BIO_reset(bio);
X509_NAME_print_ex(bio, X509_get_issuer_name(ssl_cert), 0, XN_FLAG_RFC2253); X509_NAME_print_ex(bio, X509_get_issuer_name(ssl_cert), 0, XN_FLAG_RFC2253);
len = BIO_gets(bio, &(*buf), sizeof(buf)); len = BIO_gets(bio, &(*buf), sizeof(buf));
pX509Cert->Assign(3, new StringVal(len, buf)); pX509Cert->Assign(3, new StringVal(len, buf));