10 files changed, 109 insertions, 2 deletions

diff --git a/crypto/heimdal/lib/kadm5/create_s.c b/crypto/heimdal/lib/kadm5/create_s.c
index 1033ca103239..267e9bbda2a0 100644
--- a/crypto/heimdal/lib/kadm5/create_s.c
+++ b/crypto/heimdal/lib/kadm5/create_s.c
@@ -169,6 +169,10 @@ kadm5_s_create_principal(void *server_handle,
     ent.entry.keys.len = 0;
     ent.entry.keys.val = NULL;
 
+    ret = fbsd_ossl_provider_load();
+    if (ret)
+	goto out;
+
     ret = _kadm5_set_keys(context, &ent.entry, password);
     if (ret)
 	goto out;
diff --git a/crypto/heimdal/lib/kadm5/kadm5_locl.h b/crypto/heimdal/lib/kadm5/kadm5_locl.h
index 68b6a5ebf024..63b367ab7e21 100644
--- a/crypto/heimdal/lib/kadm5/kadm5_locl.h
+++ b/crypto/heimdal/lib/kadm5/kadm5_locl.h
@@ -79,5 +79,6 @@
 #include <der.h>
 #include <parse_units.h>
 #include "private.h"
+#include "fbsd_ossl_provider.h"
 
 #endif /* __KADM5_LOCL_H__ */
diff --git a/crypto/heimdal/lib/krb5/context.c b/crypto/heimdal/lib/krb5/context.c
index 86bfe539b974..681bc9a0982f 100644
--- a/crypto/heimdal/lib/krb5/context.c
+++ b/crypto/heimdal/lib/krb5/context.c
@@ -392,6 +392,10 @@ krb5_init_context(krb5_context *context)
     }
     HEIMDAL_MUTEX_init(p->mutex);
 
+    ret = fbsd_ossl_provider_load();
+    if(ret)
+	goto out;
+
     p->flags |= KRB5_CTX_F_HOMEDIR_ACCESS;
 
     ret = krb5_get_default_config_files(&files);
diff --git a/crypto/heimdal/lib/krb5/crypto.c b/crypto/heimdal/lib/krb5/crypto.c
index 67ecef62e875..6ee22609a4d5 100644
--- a/crypto/heimdal/lib/krb5/crypto.c
+++ b/crypto/heimdal/lib/krb5/crypto.c
@@ -2054,6 +2054,9 @@ krb5_crypto_init(krb5_context context,
 	*crypto = NULL;
 	return ret;
     }
+    ret = fbsd_ossl_provider_load();
+    if (ret)
+	return ret;
     (*crypto)->key.schedule = NULL;
     (*crypto)->num_key_usage = 0;
     (*crypto)->key_usage = NULL;
diff --git a/crypto/heimdal/lib/krb5/salt.c b/crypto/heimdal/lib/krb5/salt.c
index 5e4c8a1c8572..2b1fbee80ab6 100644
--- a/crypto/heimdal/lib/krb5/salt.c
+++ b/crypto/heimdal/lib/krb5/salt.c
@@ -43,6 +43,8 @@ krb5_salttype_to_string (krb5_context context,
     struct _krb5_encryption_type *e;
     struct salt_type *st;
 
+    (void) fbsd_ossl_provider_load();
+
     e = _krb5_find_enctype (etype);
     if (e == NULL) {
 	krb5_set_error_message(context, KRB5_PROG_ETYPE_NOSUPP,
@@ -75,6 +77,8 @@ krb5_string_to_salttype (krb5_context context,
     struct _krb5_encryption_type *e;
     struct salt_type *st;
 
+    (void) fbsd_ossl_provider_load();
+
     e = _krb5_find_enctype (etype);
     if (e == NULL) {
 	krb5_set_error_message(context, KRB5_PROG_ETYPE_NOSUPP,
@@ -196,6 +200,7 @@ krb5_string_to_key_data_salt_opaque (krb5_context context,
 			       enctype);
 	return KRB5_PROG_ETYPE_NOSUPP;
     }
+    (void) fbsd_ossl_provider_load();
     for(st = et->keytype->string_to_key; st && st->type; st++)
 	if(st->type == salt.salttype)
 	    return (*st->string_to_key)(context, enctype, password,
diff --git a/crypto/heimdal/lib/roken/version-script.map b/crypto/heimdal/lib/roken/version-script.map
index 72d2ea7e4f7c..bb2139ed74cc 100644
--- a/crypto/heimdal/lib/roken/version-script.map
+++ b/crypto/heimdal/lib/roken/version-script.map
@@ -13,6 +13,7 @@ HEIMDAL_ROKEN_1.0 {
 		ct_memcmp;
 		err;
 		errx;
+		fbsd_ossl_provider_load;
 		free_getarg_strings;
 		get_default_username;
 		get_window_size;
diff --git a/kerberos5/include/crypto-headers.h b/kerberos5/include/crypto-headers.h
index 3ae0d9624ffd..2cc870642964 100644
--- a/kerberos5/include/crypto-headers.h
+++ b/kerberos5/include/crypto-headers.h
@@ -17,5 +17,9 @@
 #include <openssl/ec.h>
 #include <openssl/ecdsa.h>
 #include <openssl/ecdh.h>
+#if defined(OPENSSL_VERSION_MAJOR) && (OPENSSL_VERSION_MAJOR >= 3)
+#include <openssl/provider.h>
+#include "fbsd_ossl_provider.h"
+#endif
 
 #endif /* __crypto_headers_h__ */
diff --git a/kerberos5/include/fbsd_ossl_provider.h b/kerberos5/include/fbsd_ossl_provider.h
new file mode 100644
index 000000000000..013983ca9f83
--- /dev/null
+++ b/kerberos5/include/fbsd_ossl_provider.h
@@ -0,0 +1,4 @@
+#ifndef __fbsd_ossl_provider_h
+#define __fbsd_ossl_provider_h
+int  fbsd_ossl_provider_load(void);
+#endif
diff --git a/kerberos5/lib/libroken/Makefile b/kerberos5/lib/libroken/Makefile
index 0c46ba6c4cb5..ca6d090e64f0 100644
--- a/kerberos5/lib/libroken/Makefile
+++ b/kerberos5/lib/libroken/Makefile
@@ -74,9 +74,13 @@ SRCS=	base64.c \
 	vis.c \
 	warnerr.c \
 	write_pid.c \
-	xfree.c
+	xfree.c \
+	fbsd_ossl_provider_load.c
 
-CFLAGS+=-I${KRB5DIR}/lib/roken -I.
+CFLAGS+=-I${KRB5DIR}/lib/roken \
+	-I${SRCTOP}/kerberos5/include \
+	-I${KRB5DIR}/lib/krb5 \
+	-I${SRCTOP}/crypto/openssl/include -I.
 
 CLEANFILES= roken.h
 
diff --git a/kerberos5/lib/libroken/fbsd_ossl_provider_load.c b/kerberos5/lib/libroken/fbsd_ossl_provider_load.c
new file mode 100644
index 000000000000..497b32124f96
--- /dev/null
+++ b/kerberos5/lib/libroken/fbsd_ossl_provider_load.c
@@ -0,0 +1,77 @@
+#include <dlfcn.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <openssl/provider.h>
+
+#if defined(OPENSSL_VERSION_MAJOR) && (OPENSSL_VERSION_MAJOR >= 3)
+static void fbsd_ossl_provider_unload(void);
+static void print_dlerror(char *);
+static OSSL_PROVIDER *legacy;
+static OSSL_PROVIDER *deflt;
+static int providers_loaded = 0;
+static OSSL_PROVIDER * (*ossl_provider_load)(OSSL_LIB_CTX *, const char*) = NULL;
+static int (*ossl_provider_unload)(OSSL_PROVIDER *) = NULL;
+static void *crypto_lib_handle = NULL;
+
+static void
+fbsd_ossl_provider_unload(void)
+{
+	if (ossl_provider_unload == NULL) {
+		if (!(ossl_provider_unload = (int (*)(OSSL_PROVIDER*)) dlsym(crypto_lib_handle, "OSSL_PROVIDER_unload"))) {
+			print_dlerror("Unable to link OSSL_PROVIDER_unload");
+			return;
+		}
+	}
+	if (providers_loaded == 1) {
+		(*ossl_provider_unload)(legacy);
+		(*ossl_provider_unload)(deflt);
+		providers_loaded = 0;
+	}
+}
+
+static void
+print_dlerror(char *message)
+{
+	char *errstr;
+
+	if ((errstr = dlerror()) != NULL)
+		fprintf(stderr, "%s: %s\n",
+			message, errstr);
+}
+#endif
+
+int
+fbsd_ossl_provider_load(void)
+{
+#if defined(OPENSSL_VERSION_MAJOR) && (OPENSSL_VERSION_MAJOR >= 3)
+	if (crypto_lib_handle == NULL) {
+		if (!(crypto_lib_handle = dlopen("/usr/lib/libcrypto.so",
+		    RTLD_LAZY|RTLD_GLOBAL))) {
+			print_dlerror("Unable to load libcrypto.so");
+			return (EINVAL);
+		}
+	}
+	if (ossl_provider_load == NULL) {
+		if (!(ossl_provider_load = (OSSL_PROVIDER * (*)(OSSL_LIB_CTX*, const char *)) dlsym(crypto_lib_handle, "OSSL_PROVIDER_load"))) {
+			print_dlerror("Unable to link OSSL_PROVIDER_load");
+			return(ENOENT);
+		}
+	}
+
+	if (providers_loaded == 0) {
+		if ((legacy = (*ossl_provider_load)(NULL, "legacy")) == NULL)
+			return (EINVAL);
+		if ((deflt = (*ossl_provider_load)(NULL, "default")) == NULL) {
+			(*ossl_provider_unload)(legacy);
+			return (EINVAL);
+		}
+		if (atexit(fbsd_ossl_provider_unload)) {
+			fbsd_ossl_provider_unload();
+			return (errno);
+		}
+		providers_loaded = 1;
+	}
+#endif
+	return (0);
+}