.\" $OpenBSD: X509_CRL_get0_by_serial.3,v 1.13 2024/03/06 02:34:14 tb Exp $ .\" full merge up to: OpenSSL cdd6c8c5 Mar 20 12:29:37 2017 +0100 .\" .\" This file was written by Dr. Stephen Henson . .\" Copyright (c) 2015, 2017 The OpenSSL Project. All rights reserved. .\" .\" Redistribution and use in source and binary forms, with or without .\" modification, are permitted provided that the following conditions .\" are met: .\" .\" 1. Redistributions of source code must retain the above copyright .\" notice, this list of conditions and the following disclaimer. .\" .\" 2. Redistributions in binary form must reproduce the above copyright .\" notice, this list of conditions and the following disclaimer in .\" the documentation and/or other materials provided with the .\" distribution. .\" .\" 3. 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IN NO EVENT SHALL THE OpenSSL PROJECT OR .\" ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, .\" SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT .\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; .\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, .\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) .\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED .\" OF THE POSSIBILITY OF SUCH DAMAGE. .\" .Dd $Mdocdate: March 6 2024 $ .Dt X509_CRL_GET0_BY_SERIAL 3 .Os .Sh NAME .Nm X509_CRL_get0_by_serial , .Nm X509_CRL_get0_by_cert , .Nm X509_CRL_get_REVOKED , .Nm X509_CRL_add0_revoked , .Nm X509_CRL_sort .Nd add, sort, and retrieve CRL entries .Sh SYNOPSIS .In openssl/x509.h .Ft int .Fo X509_CRL_get0_by_serial .Fa "X509_CRL *crl" .Fa "X509_REVOKED **ret" .Fa "ASN1_INTEGER *serial" .Fc .Ft int .Fo X509_CRL_get0_by_cert .Fa "X509_CRL *crl" .Fa "X509_REVOKED **ret" .Fa "X509 *x" .Fc .Ft STACK_OF(X509_REVOKED) * .Fo X509_CRL_get_REVOKED .Fa "X509_CRL *crl" .Fc .Ft int .Fo X509_CRL_add0_revoked .Fa "X509_CRL *crl" .Fa "X509_REVOKED *rev" .Fc .Ft int .Fo X509_CRL_sort .Fa "X509_CRL *crl" .Fc .Sh DESCRIPTION .Fn X509_CRL_get0_by_serial attempts to find a revoked entry in .Fa crl for serial number .Fa serial . If it is successful, it sets .Pf * Fa ret to the internal pointer of the matching entry. Consequently, .Pf * Fa ret must not be freed up after the call. .Pp .Fn X509_CRL_get0_by_cert is similar to .Fn X509_CRL_get0_by_serial except that it looks for a revoked entry using the serial number of certificate .Fa x . .Pp .Fn X509_CRL_get_REVOKED returns an internal pointer to a stack of all revoked entries for .Fa crl . .Pp .Fn X509_CRL_add0_revoked appends revoked entry .Fa rev to CRL .Fa crl . The pointer .Fa rev is used internally so it must not be freed up after the call: it is freed when the parent CRL is freed. .Pp .Fn X509_CRL_sort sorts the revoked entries of .Fa crl into ascending serial number order. .Pp Applications can determine the number of revoked entries returned by .Fn X509_CRL_get_revoked using .Fn sk_X509_REVOKED_num and examine each one in turn using .Fn sk_X509_REVOKED_value , both defined in .In openssl/safestack.h . .Sh RETURN VALUES .Fn X509_CRL_get0_by_serial and .Fn X509_CRL_get0_by_cert return 0 for failure or 1 for success, except if the revoked entry has the reason .Qq removeFromCRL , in which case 2 is returned. .Pp The .Fn X509_CRL_add0_revoked function returns 1 if successful; otherwise 0 is returned and an error code can be retrieved with .Xr ERR_get_error 3 . .Pp .Fn X509_CRL_sort returns 1 for success or 0 for failure. The current implementation cannot fail. .Pp .Fn X509_CRL_get_REVOKED returns a STACK of revoked entries. .Sh SEE ALSO .Xr d2i_X509_CRL 3 , .Xr X509_CRL_get_ext 3 , .Xr X509_CRL_get_issuer 3 , .Xr X509_CRL_get_version 3 , .Xr X509_CRL_new 3 , .Xr X509_REVOKED_new 3 , .Xr X509V3_get_d2i 3 .Sh HISTORY .Fn X509_CRL_get_REVOKED first appeared in OpenSSL 0.9.2b and has been available since .Ox 2.6 . .Pp .Fn X509_CRL_add0_revoked and .Fn X509_CRL_sort first appeared in OpenSSL 0.9.7 and have been available since .Ox 3.2 . .Pp .Fn X509_CRL_get0_by_serial and .Fn X509_CRL_get0_by_cert first appeared in OpenSSL 1.0.0 and have been available since .Ox 4.9 .