70 lines
2.2 KiB
Diff
70 lines
2.2 KiB
Diff
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From: Raphael Geissert <geissert@debian.org>
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Date: Thu, 13 Dec 2018 23:27:46 +0100
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Subject: make X509_verify_cert indicate that any certificate whose
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Forwarded: not-needed
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Origin: vendor
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Last-Update: 2011-09-08
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Bug: http://bugs.debian.org/639744
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Reviewed-by: Kurt Roeckx <kurt@roeckx.be>
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Reviewed-by: Dr Stephen N Henson <shenson@drh-consultancy.co.uk>
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name contains "DigiNotar" is revoked.
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This is not meant as final patch.
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---
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crypto/x509/x509_vfy.c | 27 +++++++++++++++++++++++++++
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1 file changed, 27 insertions(+)
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diff --git a/crypto/x509/x509_vfy.c b/crypto/x509/x509_vfy.c
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index da778d47b1cc..77bdb18882ce 100644
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--- a/crypto/x509/x509_vfy.c
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+++ b/crypto/x509/x509_vfy.c
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@@ -120,6 +120,7 @@ static int check_trust(X509_STORE_CTX *ctx);
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static int check_revocation(X509_STORE_CTX *ctx);
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static int check_cert(X509_STORE_CTX *ctx);
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static int check_policy(X509_STORE_CTX *ctx);
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+static int check_ca_blacklist(X509_STORE_CTX *ctx);
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static int get_crl_score(X509_STORE_CTX *ctx, X509 **pissuer,
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unsigned int *preasons, X509_CRL *crl, X509 *x);
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@@ -502,6 +503,9 @@ int X509_verify_cert(X509_STORE_CTX *ctx)
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if (!ok)
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goto err;
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+ ok = check_ca_blacklist(ctx);
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+ if(!ok) goto err;
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+
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#ifndef OPENSSL_NO_RFC3779
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/* RFC 3779 path validation, now that CRL check has been done */
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ok = v3_asid_validate_path(ctx);
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@@ -1110,6 +1114,29 @@ static int check_crl_time(X509_STORE_CTX *ctx, X509_CRL *crl, int notify)
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return 1;
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}
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+static int check_ca_blacklist(X509_STORE_CTX *ctx)
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+ {
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+ X509 *x;
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+ int i;
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+ /* Check all certificates against the blacklist */
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+ for (i = sk_X509_num(ctx->chain) - 1; i >= 0; i--)
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+ {
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+ x = sk_X509_value(ctx->chain, i);
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+ /* Mark DigiNotar certificates as revoked, no matter
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+ * where in the chain they are.
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+ */
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+ if (x->name && strstr(x->name, "DigiNotar"))
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+ {
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+ ctx->error = X509_V_ERR_CERT_REVOKED;
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+ ctx->error_depth = i;
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+ ctx->current_cert = x;
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+ if (!ctx->verify_cb(0,ctx))
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+ return 0;
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+ }
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+ }
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+ return 1;
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+ }
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+
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static int get_crl_sk(X509_STORE_CTX *ctx, X509_CRL **pcrl, X509_CRL **pdcrl,
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X509 **pissuer, int *pscore, unsigned int *preasons,
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STACK_OF(X509_CRL) *crls)
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