Ports: Generate host keys for OpenSSH

Author: https://github.com/gunnarbeutner
Commit: https://github.com/SerenityOS/serenity/commit/a6201f708ee
Pull-request: https://github.com/SerenityOS/serenity/pull/6777
Reviewed-by: https://github.com/awesomekling

Ports/openssh/package.sh

@@ -17,4 +17,17 @@ pre_configure() {
 install() {
     # Can't make keys outside of Serenity since ssh-keygen is built for Serenity.
     run make DESTDIR="${SERENITY_INSTALL_ROOT}" $installopts install-nokeys
+
+    if command -v ssh-keygen &>/dev/null; then
+        mkdir -p "${SERENITY_INSTALL_ROOT}/etc/ssh"
+        if [ ! -e "${SERENITY_INSTALL_ROOT}/etc/ssh/ssh_host_rsa_key" ]; then
+            ssh-keygen -f "${SERENITY_INSTALL_ROOT}/etc/ssh/ssh_host_rsa_key" -C serenity -N "" -t rsa
+        fi
+        if [ ! -e "${SERENITY_INSTALL_ROOT}/etc/ssh/ssh_host_dsa_key" ]; then
+            ssh-keygen -f "${SERENITY_INSTALL_ROOT}/etc/ssh/ssh_host_dsa_key" -C serenity -N "" -t dsa
+        fi
+        if [ ! -e "${SERENITY_INSTALL_ROOT}/etc/ssh/ssh_host_ecdsa_key" ]; then
+            ssh-keygen -f "${SERENITY_INSTALL_ROOT}/etc/ssh/ssh_host_ecdsa_key" -C serenity -N "" -t ecdsa -b 521
+        fi
+    fi
 }