2 files changed, 160 insertions, 95 deletions

diff --git a/src/lib/libcrypto/evp/evp_names.c b/src/lib/libcrypto/evp/evp_names.c
index fbd84711f5..b5d3b95b45 100644
--- a/src/lib/libcrypto/evp/evp_names.c
+++ b/src/lib/libcrypto/evp/evp_names.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: evp_names.c,v 1.2 2024/01/13 11:00:09 tb Exp $ */
+/*      $OpenBSD: evp_names.c,v 1.3 2024/01/13 11:08:39 tb Exp $ */
 /*
  * Copyright (c) 2023 Theo Buehler <tb@openbsd.org>
  *
@@ -41,7 +41,7 @@ struct digest_name {
  * regress/lib/libcrypto/evp/evp_test.c checks that.
  */
 
-const struct cipher_name cipher_names[] = {
+static const struct cipher_name cipher_names[] = {
 #ifndef OPENSSL_NO_AES
         {
                 .name = SN_aes_128_cbc,
@@ -1099,7 +1099,7 @@ const struct cipher_name cipher_names[] = {
  * regresss/lib/libcrypto/evp/evp_test.c checks that.
  */
 
-const struct digest_name digest_names[] = {
+static const struct digest_name digest_names[] = {
 #ifndef OPENSSL_NO_GOST
         {
                 .name = LN_id_Gost28147_89_MAC,
@@ -1559,3 +1559,159 @@ const struct digest_name digest_names[] = {
 };
 
 #define N_DIGEST_NAMES (sizeof(digest_names) / sizeof(digest_names[0]))
+
+void
+EVP_CIPHER_do_all_sorted(void (*fn)(const EVP_CIPHER *, const char *,
+    const char *, void *), void *arg)
+{
+        size_t i;
+
+        /* Prayer and clean living lets you ignore errors, OpenSSL style. */
+        (void)OPENSSL_init_crypto(0, NULL);
+
+        for (i = 0; i < N_CIPHER_NAMES; i++) {
+                const struct cipher_name *cipher = &cipher_names[i];
+                const EVP_CIPHER *evp_cipher;
+
+                if ((evp_cipher = cipher->cipher()) == NULL)
+                        continue;
+
+                if (cipher->alias != NULL)
+                        fn(NULL, cipher->name, cipher->alias, arg);
+                else
+                        fn(evp_cipher, cipher->name, NULL, arg);
+        }
+}
+
+void
+EVP_CIPHER_do_all(void (*fn)(const EVP_CIPHER *, const char *, const char *,
+    void *), void *arg)
+{
+        EVP_CIPHER_do_all_sorted(fn, arg);
+}
+
+void
+EVP_MD_do_all_sorted(void (*fn)(const EVP_MD *, const char *, const char *,
+    void *), void *arg)
+{
+        size_t i;
+
+        /* Prayer and clean living lets you ignore errors, OpenSSL style. */
+        (void)OPENSSL_init_crypto(0, NULL);
+
+        for (i = 0; i < N_DIGEST_NAMES; i++) {
+                const struct digest_name *digest = &digest_names[i];
+                const EVP_MD *evp_md;
+
+                if ((evp_md = digest->digest()) == NULL)
+                        continue;
+
+                if (digest->alias != NULL)
+                        fn(NULL, digest->name, digest->alias, arg);
+                else
+                        fn(evp_md, digest->name, NULL, arg);
+        }
+}
+
+void
+EVP_MD_do_all(void (*fn)(const EVP_MD *, const char *, const char *, void *),
+    void *arg)
+{
+        EVP_MD_do_all_sorted(fn, arg);
+}
+
+/*
+ * The OBJ_NAME API is completely misnamed. It has little to do with objects
+ * and a lot to do with EVP. Therefore we implement a saner replacement for
+ * the part of the old madness that we need to keep in the evp directory.
+ */
+
+static int
+OBJ_NAME_from_cipher_name(OBJ_NAME *obj_name, const struct cipher_name *cipher)
+{
+        const EVP_CIPHER *evp_cipher;
+
+        if ((evp_cipher = cipher->cipher()) == NULL)
+                return 0;
+
+        obj_name->type = OBJ_NAME_TYPE_CIPHER_METH;
+        obj_name->name = cipher->name;
+        if (cipher->alias != NULL) {
+                obj_name->alias = OBJ_NAME_ALIAS;
+                obj_name->data = cipher->alias;
+        } else {
+                obj_name->alias = 0;
+                obj_name->data = (const char *)evp_cipher;
+        }
+
+        return 1;
+}
+
+static void
+OBJ_NAME_do_all_ciphers(void (*fn)(const OBJ_NAME *, void *), void *arg)
+{
+        size_t i;
+
+        for (i = 0; i < N_CIPHER_NAMES; i++) {
+                const struct cipher_name *cipher = &cipher_names[i];
+                OBJ_NAME name;
+
+                if (OBJ_NAME_from_cipher_name(&name, cipher))
+                        fn(&name, arg);
+        }
+}
+
+static int
+OBJ_NAME_from_digest_name(OBJ_NAME *obj_name, const struct digest_name *digest)
+{
+        const EVP_MD *evp_md;
+
+        if ((evp_md = digest->digest()) == NULL)
+                return 0;
+
+        obj_name->type = OBJ_NAME_TYPE_MD_METH;
+        obj_name->name = digest->name;
+        if (digest->alias != NULL) {
+                obj_name->alias = OBJ_NAME_ALIAS;
+                obj_name->data = digest->alias;
+        } else {
+                obj_name->alias = 0;
+                obj_name->data = (const char *)evp_md;
+        }
+
+        return 1;
+}
+
+static void
+OBJ_NAME_do_all_digests(void (*fn)(const OBJ_NAME *, void *), void *arg)
+{
+        size_t i;
+
+        for (i = 0; i < N_DIGEST_NAMES; i++) {
+                const struct digest_name *digest = &digest_names[i];
+                OBJ_NAME name;
+
+                if (OBJ_NAME_from_digest_name(&name, digest))
+                        fn(&name, arg);
+        }
+}
+
+void
+OBJ_NAME_do_all_sorted(int type, void (*fn)(const OBJ_NAME *, void *), void *arg)
+{
+        /* Prayer and clean living lets you ignore errors, OpenSSL style. */
+        (void)OPENSSL_init_crypto(0, NULL);
+
+        if (type == OBJ_NAME_TYPE_CIPHER_METH)
+                OBJ_NAME_do_all_ciphers(fn, arg);
+        if (type == OBJ_NAME_TYPE_MD_METH)
+                OBJ_NAME_do_all_digests(fn, arg);
+}
+LCRYPTO_ALIAS(OBJ_NAME_do_all_sorted);
+
+void
+OBJ_NAME_do_all(int type, void (*fn)(const OBJ_NAME *, void *), void *arg)
+{
+        OBJ_NAME_do_all_sorted(type, fn, arg);
+}
+LCRYPTO_ALIAS(OBJ_NAME_do_all);
diff --git a/src/lib/libcrypto/evp/names.c b/src/lib/libcrypto/evp/names.c
index a96301ed56..7f5b455088 100644
--- a/src/lib/libcrypto/evp/names.c
+++ b/src/lib/libcrypto/evp/names.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: names.c,v 1.22 2023/12/15 14:22:10 tb Exp $ */
+/* $OpenBSD: names.c,v 1.23 2024/01/13 11:08:39 tb Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -146,94 +146,3 @@ EVP_cleanup(void)
                 OBJ_cleanup();
         }
 }
-
-struct doall_cipher {
-        void *arg;
-        void (*fn)(const EVP_CIPHER *ciph, const char *from, const char *to,
-            void *arg);
-};
-
-static void
-do_all_cipher_fn(const OBJ_NAME *nm, void *arg)
-{
-        struct doall_cipher *dc = arg;
-
-        if (nm->alias)
-                dc->fn(NULL, nm->name, nm->data, dc->arg);
-        else
-                dc->fn((const EVP_CIPHER *)nm->data, nm->name, NULL, dc->arg);
-}
-
-void
-EVP_CIPHER_do_all(void (*fn)(const EVP_CIPHER *ciph, const char *from,
-    const char *to, void *x), void *arg)
-{
-        struct doall_cipher dc;
-
-        /* Prayer and clean living lets you ignore errors, OpenSSL style */
-        (void) OPENSSL_init_crypto(0, NULL);
-
-        dc.fn = fn;
-        dc.arg = arg;
-        OBJ_NAME_do_all(OBJ_NAME_TYPE_CIPHER_METH, do_all_cipher_fn, &dc);
-}
-
-void
-EVP_CIPHER_do_all_sorted(void (*fn)(const EVP_CIPHER *ciph, const char *from,
-    const char *to, void *x), void *arg)
-{
-        struct doall_cipher dc;
-
-        /* Prayer and clean living lets you ignore errors, OpenSSL style */
-        (void) OPENSSL_init_crypto(0, NULL);
-
-        dc.fn = fn;
-        dc.arg = arg;
-        OBJ_NAME_do_all_sorted(OBJ_NAME_TYPE_CIPHER_METH,
-            do_all_cipher_fn, &dc);
-}
-
-struct doall_md {
-        void *arg;
-        void (*fn)(const EVP_MD *ciph, const char *from, const char *to,
-            void *arg);
-};
-
-static void
-do_all_md_fn(const OBJ_NAME *nm, void *arg)
-{
-        struct doall_md *dc = arg;
-
-        if (nm->alias)
-                dc->fn(NULL, nm->name, nm->data, dc->arg);
-        else
-                dc->fn((const EVP_MD *)nm->data, nm->name, NULL, dc->arg);
-}
-
-void
-EVP_MD_do_all(void (*fn)(const EVP_MD *md, const char *from, const char *to,
-    void *x), void *arg)
-{
-        struct doall_md dc;
-
-        /* Prayer and clean living lets you ignore errors, OpenSSL style */
-        (void) OPENSSL_init_crypto(0, NULL);
-
-        dc.fn = fn;
-        dc.arg = arg;
-        OBJ_NAME_do_all(OBJ_NAME_TYPE_MD_METH, do_all_md_fn, &dc);
-}
-
-void
-EVP_MD_do_all_sorted(void (*fn)(const EVP_MD *md,
-    const char *from, const char *to, void *x), void *arg)
-{
-        struct doall_md dc;
-
-        /* Prayer and clean living lets you ignore errors, OpenSSL style */
-        (void) OPENSSL_init_crypto(0, NULL);
-
-        dc.fn = fn;
-        dc.arg = arg;
-        OBJ_NAME_do_all_sorted(OBJ_NAME_TYPE_MD_METH, do_all_md_fn, &dc);
-}