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| author | Daniel Stenberg <daniel@haxx.se> | 2019-12-02 10:55:33 +0100 |
|---|---|---|
| committer | Daniel Stenberg <daniel@haxx.se> | 2019-12-03 16:28:50 +0100 |
| commit | 564d88a8bd190a21b362d6da535fccf74d33394d (patch) | |
| tree | f1d0c5c77852f77bd2eb08e978925e2a79a9a495 /docs | |
| parent | 94f1f771586913addf5c68f9219e176036c50115 (diff) | |
| download | curl-564d88a8bd190a21b362d6da535fccf74d33394d.tar.gz | |
openssl: CURLSSLOPT_NO_PARTIALCHAIN can disable partial cert chains
Closes #4655
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/libcurl/opts/CURLOPT_SSL_OPTIONS.3 | 38 | ||||
| -rw-r--r-- | docs/libcurl/symbols-in-versions | 1 |
2 files changed, 22 insertions, 17 deletions
diff --git a/docs/libcurl/opts/CURLOPT_SSL_OPTIONS.3 b/docs/libcurl/opts/CURLOPT_SSL_OPTIONS.3 index ace496abc..fd8504fb6 100644 --- a/docs/libcurl/opts/CURLOPT_SSL_OPTIONS.3 +++ b/docs/libcurl/opts/CURLOPT_SSL_OPTIONS.3 @@ -28,23 +28,27 @@ CURLOPT_SSL_OPTIONS \- set SSL behavior options CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SSL_OPTIONS, long bitmask); .SH DESCRIPTION -Pass a long with a bitmask to tell libcurl about specific SSL behaviors. - -\fICURLSSLOPT_ALLOW_BEAST\fP tells libcurl to not attempt to use any -workarounds for a security flaw in the SSL3 and TLS1.0 protocols. If this -option isn't used or this bit is set to 0, the SSL layer libcurl uses may use a -work-around for this flaw although it might cause interoperability problems -with some (older) SSL implementations. WARNING: avoiding this work-around -lessens the security, and by setting this option to 1 you ask for exactly that. -This option is only supported for DarwinSSL, NSS and OpenSSL. - -Added in 7.44.0: - -\fICURLSSLOPT_NO_REVOKE\fP tells libcurl to disable certificate revocation -checks for those SSL backends where such behavior is present. This option is -only supported for Schannel (the native Windows SSL library), with an -exception in the case of Windows' Untrusted Publishers blacklist which it -seems can't be bypassed. +Pass a long with a bitmask to tell libcurl about specific SSL +behaviors. Available bits: +.IP CURLSSLOPT_ALLOW_BEAST +Tells libcurl to not attempt to use any workarounds for a security flaw in the +SSL3 and TLS1.0 protocols. If this option isn't used or this bit is set to 0, +the SSL layer libcurl uses may use a work-around for this flaw although it +might cause interoperability problems with some (older) SSL +implementations. WARNING: avoiding this work-around lessens the security, and +by setting this option to 1 you ask for exactly that. This option is only +supported for DarwinSSL, NSS and OpenSSL. +.IP CURLSSLOPT_NO_REVOKE +Tells libcurl to disable certificate revocation checks for those SSL backends +where such behavior is present. This option is only supported for Schannel +(the native Windows SSL library), with an exception in the case of Windows' +Untrusted Publishers blacklist which it seems can't be bypassed. (Added in +7.44.0) +.IP CURLSSLOPT_NO_PARTIALCHAIN +Tells libcurl to not accept "partial" certificate chains, which it otherwise +does by default. This option is only supported for OpenSSL and will fail the +certificate verification if the chain ends with an intermediate certificate +and not with a root cert. (Added in 7.68.0) .SH DEFAULT 0 .SH PROTOCOLS diff --git a/docs/libcurl/symbols-in-versions b/docs/libcurl/symbols-in-versions index 29013b148..18f04bd70 100644 --- a/docs/libcurl/symbols-in-versions +++ b/docs/libcurl/symbols-in-versions @@ -738,6 +738,7 @@ CURLSSLBACKEND_SCHANNEL 7.34.0 CURLSSLBACKEND_SECURETRANSPORT 7.64.1 CURLSSLBACKEND_WOLFSSL 7.49.0 CURLSSLOPT_ALLOW_BEAST 7.25.0 +CURLSSLOPT_NO_PARTIALCHAIN 7.68.0 CURLSSLOPT_NO_REVOKE 7.44.0 CURLSSLSET_NO_BACKENDS 7.56.0 CURLSSLSET_OK 7.56.0 |