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-rw-r--r--crypto/ocsp/ocsp_vfy.c9
-rw-r--r--doc/crypto/OCSP_resp_find_status.pod15
-rw-r--r--include/openssl/ocsp.h2
3 files changed, 25 insertions, 1 deletions
diff --git a/crypto/ocsp/ocsp_vfy.c b/crypto/ocsp/ocsp_vfy.c
index 809f7f41e1..89147d93ae 100644
--- a/crypto/ocsp/ocsp_vfy.c
+++ b/crypto/ocsp/ocsp_vfy.c
@@ -138,6 +138,15 @@ int OCSP_basic_verify(OCSP_BASICRESP *bs, STACK_OF(X509) *certs,
goto end;
}
+int OCSP_resp_get0_signer(OCSP_BASICRESP *bs, X509 **signer,
+ STACK_OF(X509) *extra_certs)
+{
+ int ret;
+
+ ret = ocsp_find_signer(signer, bs, extra_certs, 0);
+ return (ret > 0) ? 1 : 0;
+}
+
static int ocsp_find_signer(X509 **psigner, OCSP_BASICRESP *bs,
STACK_OF(X509) *certs, unsigned long flags)
{
diff --git a/doc/crypto/OCSP_resp_find_status.pod b/doc/crypto/OCSP_resp_find_status.pod
index 36f66a858f..3a6e747158 100644
--- a/doc/crypto/OCSP_resp_find_status.pod
+++ b/doc/crypto/OCSP_resp_find_status.pod
@@ -3,6 +3,7 @@
=head1 NAME
OCSP_resp_get0_certs,
+OCSP_resp_get0_signer,
OCSP_resp_get0_id,
OCSP_resp_get0_produced_at,
OCSP_resp_find_status, OCSP_resp_count, OCSP_resp_get0, OCSP_resp_find,
@@ -32,6 +33,9 @@ OCSP_single_get0_status, OCSP_check_validity
const STACK_OF(X509) *OCSP_resp_get0_certs(const OCSP_BASICRESP *bs);
+ int OCSP_resp get0_signer(OCSP_BASICRESP *bs, X509 **signer,
+ STACK_OF(X509) *extra_certs);
+
int OCSP_resp_get0_id(const OCSP_BASICRESP *bs,
const ASN1_OCTET_STRING **pid,
const X509_NAME **pname);
@@ -72,7 +76,13 @@ single response B<bs>.
OCSP_resp_get0_certs() returns any certificates included in B<bs>.
-OCSP_resp_get0_id() gets the responder id of <bs>. If the responder ID is
+OCSP_resp_get0_signer() attempts to retrive the certificate that directly
+signed B<bs>. The OCSP protocol does not require that this certificate
+is included in the B<certs> field of the response, so additional certificates
+can be supplied in B<extra_certs> if the certificates that may have
+signed the response are known via some out-of-band mechanism.
+
+OCSP_resp_get0_id() gets the responder id of B<bs>. If the responder ID is
a name then <*pname> is set to the name and B<*pid> is set to NULL. If the
responder ID is by key ID then B<*pid> is set to the key ID and B<*pname>
is set to NULL.
@@ -99,6 +109,9 @@ B<id> was not found.
OCSP_single_get0_status() returns the status of B<single> or -1 if an error
occurred.
+OCSP_resp_get0_signer() returns 1 if the signing certificate was located,
+or 0 on error.
+
=head1 NOTES
Applications will typically call OCSP_resp_find_status() using the certificate
diff --git a/include/openssl/ocsp.h b/include/openssl/ocsp.h
index f2281c08a2..90ebe5ccd0 100644
--- a/include/openssl/ocsp.h
+++ b/include/openssl/ocsp.h
@@ -194,6 +194,8 @@ int OCSP_response_status(OCSP_RESPONSE *resp);
OCSP_BASICRESP *OCSP_response_get1_basic(OCSP_RESPONSE *resp);
const ASN1_OCTET_STRING *OCSP_resp_get0_signature(const OCSP_BASICRESP *bs);
+int OCSP_resp_get0_signer(OCSP_BASICRESP *bs, X509 **signer,
+ STACK_OF(X509) *extra_certs);
int OCSP_resp_count(OCSP_BASICRESP *bs);
OCSP_SINGLERESP *OCSP_resp_get0(OCSP_BASICRESP *bs, int idx);