support --without-openssl at configure time

Disables and removes dependency on OpenSSL. Many features don't
work and the set of crypto options is greatly restricted. This
will only work on system with native arc4random or /dev/urandom.

Considered highly experimental for now.

1 files changed, 4 insertions, 0 deletions

diff --git a/ssh-add.c b/ssh-add.c
index 3680ab07a..8f369be4d 100644
--- a/ssh-add.c
+++ b/ssh-add.c
@@ -70,11 +70,13 @@ extern char *__progname;
 
 /* Default files to add */
 static char *default_files[] = {
+#ifdef WITH_OPENSSL
         _PATH_SSH_CLIENT_ID_RSA,
         _PATH_SSH_CLIENT_ID_DSA,
 #ifdef OPENSSL_HAS_ECC
         _PATH_SSH_CLIENT_ID_ECDSA,
 #endif
+#endif /* WITH_OPENSSL */
         _PATH_SSH_CLIENT_ID_ED25519,
         _PATH_SSH_CLIENT_IDENTITY,
         NULL
@@ -440,7 +442,9 @@ main(int argc, char **argv)
         __progname = ssh_get_progname(argv[0]);
         seed_rng();
 
+#ifdef WITH_OPENSSL
         OpenSSL_add_all_algorithms();
+#endif
 
         setvbuf(stdout, NULL, _IOLBF, 0);