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libssh2: add SHA256 fingerprint support
Added support for SHA256 fingerprint in command line curl and in libcurl. Closes curl#7646
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Original file line number | Diff line number | Diff line change |
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@@ -96,6 +96,7 @@ DPAGES = \ | |
header.d \ | ||
help.d \ | ||
hostpubmd5.d \ | ||
hostpubsha256.d \ | ||
hsts.d \ | ||
http0.9.d \ | ||
http1.0.d \ | ||
|
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@@ -0,0 +1,11 @@ | ||
Long: hostpubsha256 | ||
Arg: <sha256> | ||
Help: Acceptable SHA256 hash of the host public key | ||
Protocols: SFTP SCP | ||
Added: 7.80.0 | ||
Category: sftp scp | ||
Example: --hostpubsha256 NDVkMTQxMGQ1ODdmMjQ3MjczYjAyOTY5MmRkMjVmNDQ= sftp://example.com/ | ||
--- | ||
Pass a string containing a Base64-encoded SHA256 hash of the remote | ||
host's public key. Curl will refuse the connection with the host | ||
unless the hashes match. |
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@@ -0,0 +1,60 @@ | ||
.\" ************************************************************************** | ||
.\" * _ _ ____ _ | ||
.\" * Project ___| | | | _ \| | | ||
.\" * / __| | | | |_) | | | ||
.\" * | (__| |_| | _ <| |___ | ||
.\" * \___|\___/|_| \_\_____| | ||
.\" * | ||
.\" * Copyright (C) 1998 - 2021, 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 | ||
.\" * are also available at https://curl.se/docs/copyright.html. | ||
.\" * | ||
.\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell | ||
.\" * copies of the Software, and permit persons to whom the Software is | ||
.\" * furnished to do so, under the terms of the COPYING file. | ||
.\" * | ||
.\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
.\" * KIND, either express or implied. | ||
.\" * | ||
.\" ************************************************************************** | ||
.\" | ||
.TH CURLOPT_SSH_HOST_PUBLIC_KEY_SHA256 3 "27 Aug 2021" "libcurl 7.80.0" "curl_easy_setopt options" | ||
.SH NAME | ||
CURLOPT_SSH_HOST_PUBLIC_KEY_SHA256 \- SHA256 hash of SSH server public key | ||
.SH SYNOPSIS | ||
.nf | ||
#include <curl/curl.h> | ||
|
||
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SSH_HOST_PUBLIC_KEY_SHA256, | ||
char *sha256); | ||
.SH DESCRIPTION | ||
Pass a char * pointing to a string containing a Base64-encoded SHA256 | ||
hash of the remote host's public key. | ||
The transfer will fail if the given hash doesn't match the hash the | ||
remote host provides. | ||
|
||
.SH DEFAULT | ||
NULL | ||
.SH PROTOCOLS | ||
SCP and SFTP | ||
.SH EXAMPLE | ||
.nf | ||
CURL *curl = curl_easy_init(); | ||
if(curl) { | ||
curl_easy_setopt(curl, CURLOPT_URL, "sftp://example.com/file"); | ||
curl_easy_setopt(curl, CURLOPT_SSH_HOST_PUBLIC_KEY_SHA256, | ||
"NDVkMTQxMGQ1ODdmMjQ3MjczYjAyOTY5MmRkMjVmNDQ="); | ||
ret = curl_easy_perform(curl); | ||
curl_easy_cleanup(curl); | ||
} | ||
.fi | ||
.SH AVAILABILITY | ||
Added in 7.80.0 | ||
Requires the libssh2 back-end. | ||
.SH RETURN VALUE | ||
Returns CURLE_OK if the option is supported, CURLE_UNKNOWN_OPTION if not, or | ||
CURLE_OUT_OF_MEMORY if there was insufficient heap space. | ||
.SH "SEE ALSO" | ||
.BR CURLOPT_SSH_PUBLIC_KEYFILE "(3), " CURLOPT_SSH_AUTH_TYPES "(3), " |
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