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libssh: add support for SHA256 host public keys

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Reported-by: Joshua Rogers
Fixes #21605

Closes #21607
This commit is contained in:
Viktor Szakats 2026-05-14 13:32:46 +02:00
parent 9135294115
commit eb9b253d66
No known key found for this signature in database
11 changed files with 85 additions and 48 deletions
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12
lib/setopt.c
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@ -2342,6 +2342,12 @@ static CURLcode setopt_cptr(struct Curl_easy *data, CURLoption option,
* for validation purposes.
*/
return Curl_setstropt(&s->str[STRING_SSH_HOST_PUBLIC_KEY_MD5], ptr);
case CURLOPT_SSH_HOST_PUBLIC_KEY_SHA256:
/*
* Option to allow for the SHA256 of the host public key to be checked
* for validation purposes.
*/
return Curl_setstropt(&s->str[STRING_SSH_HOST_PUBLIC_KEY_SHA256], ptr);
case CURLOPT_SSH_KNOWNHOSTS:
/*
* Store the filename to read known hosts from.
@ -2349,12 +2355,6 @@ static CURLcode setopt_cptr(struct Curl_easy *data, CURLoption option,
return Curl_setstropt(&s->str[STRING_SSH_KNOWNHOSTS], ptr);
#endif
#ifdef USE_LIBSSH2
case CURLOPT_SSH_HOST_PUBLIC_KEY_SHA256:
/*
* Option to allow for the SHA256 of the host public key to be checked
* for validation purposes.
*/
return Curl_setstropt(&s->str[STRING_SSH_HOST_PUBLIC_KEY_SHA256], ptr);
case CURLOPT_SSH_HOSTKEYDATA:
/*
* Custom client data to pass to the SSH keyfunc callback