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authorDaniel Stenberg <daniel@haxx.se>2020-05-11 23:00:31 +0200
committerDaniel Stenberg <daniel@haxx.se>2020-05-13 16:39:36 +0200
commit81a54b12c631e8126e3eb484c74040b991e78f0c (patch)
treecb52f0828b22f8eb4db76a282d153a5e5e3c1f91 /docs/libcurl
parent9242bee3fee41b482628202a8034dff6937da157 (diff)
OpenSSL: have CURLOPT_CRLFILE imply CURLSSLOPT_NO_PARTIALCHAIN
... to avoid an OpenSSL bug that otherwise makes the CRL check to fail. Reported-by: Michael Kaufmann Fixes #5374 Closes #5376
Diffstat (limited to 'docs/libcurl')
-rw-r--r--docs/libcurl/opts/CURLOPT_CRLFILE.313
1 files changed, 8 insertions, 5 deletions
diff --git a/docs/libcurl/opts/CURLOPT_CRLFILE.3 b/docs/libcurl/opts/CURLOPT_CRLFILE.3
index 1b8df4afc..648fb61e5 100644
--- a/docs/libcurl/opts/CURLOPT_CRLFILE.3
+++ b/docs/libcurl/opts/CURLOPT_CRLFILE.3
@@ -5,7 +5,7 @@
.\" * | (__| |_| | _ <| |___
.\" * \___|\___/|_| \_\_____|
.\" *
-.\" * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+.\" * Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
.\" *
.\" * This software is licensed as described in the file COPYING, which
.\" * you should have received as part of this distribution. The terms
@@ -33,10 +33,13 @@ concatenation of CRL (in PEM format) to use in the certificate validation that
occurs during the SSL exchange.
When curl is built to use NSS or GnuTLS, there is no way to influence the use
-of CRL passed to help in the verification process. When libcurl is built with
-OpenSSL support, X509_V_FLAG_CRL_CHECK and X509_V_FLAG_CRL_CHECK_ALL are both
-set, requiring CRL check against all the elements of the certificate chain if
-a CRL file is passed.
+of CRL passed to help in the verification process.
+
+When libcurl is built with OpenSSL support, X509_V_FLAG_CRL_CHECK and
+X509_V_FLAG_CRL_CHECK_ALL are both set, requiring CRL check against all the
+elements of the certificate chain if a CRL file is passed. Also note that
+\fICURLOPT_CRLFILE(3)\fP will imply \fBCURLSSLOPT_NO_PARTIALCHAIN\fP (see
+\fICURLOPT_SSL_OPTIONS(3)\fP) since curl 7.71.0 due to an OpenSSL bug.
This option makes sense only when used in combination with the
\fICURLOPT_SSL_VERIFYPEER(3)\fP option.