Document X509_STORE_CTX_get_chain(3).

It is deprecated, but it is still called by various application programs,
so let's better mention it.

diff --git a/lib/libcrypto/man/X509_STORE_CTX_get_error.3 b/lib/libcrypto/man/X509_STORE_CTX_get_error.3
index 181c676..3294658 100644 (file)
--- a/lib/libcrypto/man/X509_STORE_CTX_get_error.3
+++ b/lib/libcrypto/man/X509_STORE_CTX_get_error.3
@@ -1,9 +1,9 @@
-.\" $OpenBSD: X509_STORE_CTX_get_error.3,v 1.13 2019/08/25 15:39:10 schwarze Exp $
+.\" $OpenBSD: X509_STORE_CTX_get_error.3,v 1.14 2021/07/21 15:03:45 schwarze Exp $
 .\" full merge up to:
 .\" OpenSSL crypto/X509_STORE_CTX_get_error f0e0fd51 Apr 14 23:59:26 2016 -0400
 .\" selective merge up to:
-.\" OpenSSL man3/X509_STORE_CTX_get_error bb00b040 Aug 5 14:14:54 2019 +0200
-.\" OpenSSL man3/X509_STORE_CTX_new 7643a172 Apr 21 13:35:51 2017 +0200
+.\" OpenSSL man3/X509_STORE_CTX_get_error 24a535ea Sep 22 13:14:20 2020 +0100
+.\" OpenSSL man3/X509_STORE_CTX_new 24a535ea Sep 22 13:14:20 2020 +0100
 .\"
 .\" This file was written by Dr. Stephen Henson <steve@openssl.org>.
 .\" Copyright (c) 2009, 2013, 2015, 2016 The OpenSSL Project.
@@ -53,7 +53,7 @@
 .\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 .\" OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.Dd $Mdocdate: August 25 2019 $
+.Dd $Mdocdate: July 21 2021 $
 .Dt X509_STORE_CTX_GET_ERROR 3
 .Os
 .Sh NAME
@@ -63,6 +63,7 @@
 .Nm X509_STORE_CTX_get_current_cert ,
 .Nm X509_STORE_CTX_get0_cert ,
 .Nm X509_STORE_CTX_get0_chain ,
+.Nm X509_STORE_CTX_get_chain ,
 .Nm X509_STORE_CTX_get1_chain ,
 .Nm X509_verify_cert_error_string
 .Nd get or set certificate verification status information
@@ -94,6 +95,10 @@
 .Fa "X509_STORE_CTX *ctx"
 .Fc
 .Ft STACK_OF(X509) *
+.Fo X509_STORE_CTX_get_chain
+.Fa "X509_STORE_CTX *ctx"
+.Fc
+.Ft STACK_OF(X509) *
 .Fo X509_STORE_CTX_get1_chain
 .Fa "X509_STORE_CTX *ctx"
 .Fc
@@ -145,6 +150,9 @@ was successful.
 If the call to
 .Xr X509_verify_cert 3
 was not successful, the returned chain may be incomplete or invalid.
+.Fn X509_STORE_CTX_get_chain
+is a deprecated alias of
+.Fn X509_STORE_CTX_get0_chain .
 .Fn X509_STORE_CTX_get1_chain
 returns a deep copy of the same chain which persists even after the
 .Fa ctx
@@ -191,7 +199,8 @@ if no certificate is relevant to the error.
 retrieves an internal pointer to the certificate being verified by
 .Fa ctx .
 .Pp
-.Fn X509_STORE_CTX_get0_chain
+.Fn X509_STORE_CTX_get0_chain ,
+.Fn X509_STORE_CTX_get_chain ,
 and
 .Fn X509_STORE_CTX_get1_chain
 return a pointer to a stack of certificates or
@@ -380,6 +389,7 @@ This will never be returned unless explicitly set by an application.
 .Fn X509_STORE_CTX_set_error ,
 .Fn X509_STORE_CTX_get_error_depth ,
 .Fn X509_STORE_CTX_get_current_cert ,
+.Fn X509_STORE_CTX_get_chain ,
 and
 .Fn X509_verify_cert_error_string
 first appeared in SSLeay 0.8.0 and have been available since