From 300b9f0b704048f60776881f1d378c74d9c32fbd Mon Sep 17 00:00:00 2001 From: "Dr. Stephen Henson" Date: Tue, 15 Apr 2014 18:48:54 +0100 Subject: [PATCH] Extension checking fixes. When looking for an extension we need to set the last found position to -1 to properly search all extensions. PR#3309. --- crypto/x509v3/v3_purp.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/crypto/x509v3/v3_purp.c b/crypto/x509v3/v3_purp.c index 6c40c7d..5f931db 100644 --- a/crypto/x509v3/v3_purp.c +++ b/crypto/x509v3/v3_purp.c @@ -389,8 +389,8 @@ static void x509v3_cache_extensions(X509 *x) /* Handle proxy certificates */ if((pci=X509_get_ext_d2i(x, NID_proxyCertInfo, NULL, NULL))) { if (x->ex_flags & EXFLAG_CA - || X509_get_ext_by_NID(x, NID_subject_alt_name, 0) >= 0 - || X509_get_ext_by_NID(x, NID_issuer_alt_name, 0) >= 0) { + || X509_get_ext_by_NID(x, NID_subject_alt_name, -1) >= 0 + || X509_get_ext_by_NID(x, NID_issuer_alt_name, -1) >= 0) { x->ex_flags |= EXFLAG_INVALID; } if (pci->pcPathLengthConstraint) { @@ -670,7 +670,7 @@ static int check_purpose_timestamp_sign(const X509_PURPOSE *xp, const X509 *x, return 0; /* Extended Key Usage MUST be critical */ - i_ext = X509_get_ext_by_NID((X509 *) x, NID_ext_key_usage, 0); + i_ext = X509_get_ext_by_NID((X509 *) x, NID_ext_key_usage, -1); if (i_ext >= 0) { X509_EXTENSION *ext = X509_get_ext((X509 *) x, i_ext); -- 1.9.1