doc/man7/openssl-env: document HOME environment variable usage

Seems to be the only place where it is used, as of now.

Signed-off-by: Eugene Syromiatnikov <esyr@openssl.org>
Reviewed-by: Neil Horman <nhorman@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Dmitry Belyavskiy <beldmit@gmail.com>
(Merged from https://github.com/openssl/openssl/pull/28025)

diff --git a/doc/man7/openssl-env.pod b/doc/man7/openssl-env.pod
index 6fb4a2856ffa2ef60dae7b0ea44232db2e28b52b..7ac59a3f010edc52bcd0a9b88d6b222b80de114f 100644 (file)
--- a/doc/man7/openssl-env.pod
+++ b/doc/man7/openssl-env.pod
@@ -21,6 +21,15 @@ See L<CTLOG_STORE_new(3)>.
 
 This variable is considered a security-sensitive environment variable.
 
+=item B<HOME>, B<SYSTEMROOT>, B<USERPROFILE>
+
+Path which L<RAND_file_name(3)> uses as a directory for the random seed file
+name when the B<RANDFILE> environment variable is not set.
+B<HOME> is the only variable that is considered on Unix-like systems;
+B<USERPROFILE> and B<SYSTEMROOT> are used as fallbacks on Windows platforms.
+
+B<HOME> variable is considered a security-sensitive environment variable.
+
 =item B<HTTPS_PROXY>, B<HTTP_PROXY>, B<NO_PROXY>, B<https_proxy>, B<http_proxy>, B<no_proxy>
 
 Specify a proxy hostname.