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-rw-r--r--doc/man3/OCSP_sendreq_new.pod46
1 files changed, 23 insertions, 23 deletions
diff --git a/doc/man3/OCSP_sendreq_new.pod b/doc/man3/OCSP_sendreq_new.pod
index 10c6131f86..51469661de 100644
--- a/doc/man3/OCSP_sendreq_new.pod
+++ b/doc/man3/OCSP_sendreq_new.pod
@@ -18,10 +18,7 @@ OCSP_REQ_CTX_set1_req
#include <openssl/ocsp.h>
OSSL_HTTP_REQ_CTX *OCSP_sendreq_new(BIO *io, const char *path,
- const OCSP_REQUEST *req, int maxline);
-
- int OCSP_sendreq_nbio(OCSP_RESPONSE **presp, OSSL_HTTP_REQ_CTX *rctx);
-
+ const OCSP_REQUEST *req, int buf_size);
OCSP_RESPONSE *OCSP_sendreq_bio(BIO *io, const char *path, OCSP_REQUEST *req);
Deprecated since OpenSSL 3.0, can be hidden entirely by defining
@@ -29,12 +26,12 @@ B<OPENSSL_API_COMPAT> with a suitable version value, see
L<openssl_user_macros(7)>:
typedef OSSL_HTTP_REQ_CTX OCSP_REQ_CTX;
+ int OCSP_sendreq_nbio(OCSP_RESPONSE **presp, OSSL_HTTP_REQ_CTX *rctx);
int OCSP_REQ_CTX_i2d(OCSP_REQ_CT *rctx, const ASN1_ITEM *it, ASN1_VALUE *req);
int OCSP_REQ_CTX_add1_header(OCSP_REQ_CT *rctx,
const char *name, const char *value);
void OCSP_REQ_CTX_free(OCSP_REQ_CTX *rctx);
- void OCSP_set_max_response_length(OCSP_REQ_CT *rctx,
- unsigned long len);
+ void OCSP_set_max_response_length(OCSP_REQ_CT *rctx, unsigned long len);
int OCSP_REQ_CTX_set1_req(OCSP_REQ_CTX *rctx, const OCSP_REQUEST *req);
=head1 DESCRIPTION
@@ -42,28 +39,32 @@ L<openssl_user_macros(7)>:
These functions perform an OCSP POST request / response transfer over HTTP,
using the HTTP request functions described in L<OSSL_HTTP_REQ_CTX(3)>.
-The function OCSP_sendreq_new() builds a complete B<OSSL_HTTP_REQ_CTX>
-structure using connection B<BIO> I<io>, the URL path I<path>, the OCSP
-request I<req>, and with a response header maximum line length of I<maxline>.
-If I<maxline> is zero a default value of 4k is used.
+The function OCSP_sendreq_new() builds a complete B<OSSL_HTTP_REQ_CTX> structure
+with the B<BIO> I<io> to be used for requests and reponse, the URL path I<path>,
+optionally the OCSP request I<req>, and a response header maximum line length
+of I<buf_size>. If I<buf_size> is zero a default value of 4KiB is used.
The I<req> may be set to NULL and provided later using OCSP_REQ_CTX_set1_req()
-or L<OSSL_HTTP_REQ_CTX_set1_req(3)> .
-
+or L<OSSL_HTTP_REQ_CTX_set1_req(3)>.
The I<io> and I<path> arguments to OCSP_sendreq_new() correspond to the
components of the URL.
For example if the responder URL is C<http://example.com/ocspreq> the BIO
-I<io> should be connected to host C<example.com> on port 80 and I<path>
+I<io> should haven been connected to host C<example.com> on port 80 and I<path>
should be set to C</ocspreq>.
-OCSP_sendreq_nbio() performs I/O on the OCSP request context I<rctx>.
-When the operation is complete it assigns the response, a pointer to a
-B<OCSP_RESPONSE> structure, in I<*presp>.
-
-OCSP_sendreq_bio() is the same as a call to OCSP_sendreq_new() followed by
-OCSP_sendreq_nbio() and then OCSP_REQ_CTX_free() in a single call, with a
+OCSP_sendreq_nbio() attempts to send the request prepared in I<rctx>
+and to gather the response via HTTP, using the BIO I<io> and I<path>
+that were given when calling OCSP_sendreq_new().
+If the operation gets completed it assigns the response,
+a pointer to a B<OCSP_RESPONSE> structure, in I<*presp>.
+The function may need to be called again if its result is -1, which indicates
+L<BIO_should_retry(3)>. In such a case it is advisable to sleep a little in
+between, using L<BIO_wait(3)> on the read BIO to prevent a busy loop.
+
+OCSP_sendreq_bio() combines OCSP_sendreq_new() with as many calls of
+OCSP_sendreq_nbio() as needed and then OCSP_REQ_CTX_free(), with a
response header maximum line length 4k. It waits indefinitely on a response.
It does not support setting a timeout or adding headers and is retained
-for compatibility; use OCSP_sendreq_nbio() instead.
+for compatibility; use L<OSSL_HTTP_transfer(3)> instead.
OCSP_REQ_CTX_i2d(rctx, it, req) is equivalent to the following:
@@ -88,15 +89,14 @@ L<OSSL_HTTP_REQ_CTX_set_max_response_length(3)>.
OCSP_sendreq_new() returns a valid B<OSSL_HTTP_REQ_CTX> structure or NULL
if an error occurred.
-OCSP_sendreq_nbio(), OCSP_REQ_CTX_i2d(), and OCSP_REQ_CTX_set1_req()
-return 1 for success and 0 for failure.
+OCSP_sendreq_nbio() returns 1 for success, 0 on error, -1 if retry is needed.
OCSP_sendreq_bio() returns the B<OCSP_RESPONSE> structure sent by the
responder or NULL if an error occurred.
=head1 SEE ALSO
-L<OSSL_HTTP_REQ_CTX(3)>
+L<OSSL_HTTP_REQ_CTX(3)>, L<OSSL_HTTP_transfer(3)>,
L<OCSP_cert_to_id(3)>,
L<OCSP_request_add1_nonce(3)>,
L<OCSP_REQUEST_new(3)>,