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Description of problem:
We found a limitation in `libcurl` that is actually fixed, but not in the version that is maintained by redhat.
CURLOPT_SSH_KNOWNHOSTS:
The curl option CURLOPT_SSH_KNOWNHOSTS has no effect.
Normally this option can be used to specify a user defined known hosts file when using SFTP, e.g.
curl_easy_setopt(mp_curlhandle, CURLOPT_SSH_KNOWNHOSTS, knownHosts);
Version-Release number of selected component (if applicable):
curl-7.61.1
Actual results:
CURLOPT_SSH_KNOWNHOSTS option has no effect
Expected results:
CURLOPT_SSH_KNOWNHOSTS option works
Additional info:
In older versions (e.g. curl-7.61.1) it can be seen that handling this open depends on certain compile flags, e.g. in lib/setopt.c:
#ifdef HAVE_LIBSSH2_KNOWNHOST_API
case CURLOPT_SSH_KNOWNHOSTS:
...
(This dependency is removed in newer curl lib versions, e.g. curl-7.81.0.)
The #ifdef in question was removed in this upstream commit:
https://github.com/curl/curl/commit/3cbf731d
Could you please check that the above commit is really sufficient to make it work on RHEL-8?
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory (curl bug fix and enhancement update), and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://access.redhat.com/errata/RHBA-2022:7779