intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 139 insertions, 0 deletions

diff --git a/contrib/libs/openssl/crypto/objects/obj_xref.c b/contrib/libs/openssl/crypto/objects/obj_xref.c
new file mode 100644
index 0000000000..faf59eb20c
--- /dev/null
+++ b/contrib/libs/openssl/crypto/objects/obj_xref.c
@@ -0,0 +1,139 @@
+/*
+ * Copyright 2006-2018 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include <openssl/objects.h>
+#include "obj_xref.h"
+#include "internal/nelem.h"
+#include <openssl/err.h>
+
+static STACK_OF(nid_triple) *sig_app, *sigx_app;
+
+static int sig_cmp(const nid_triple *a, const nid_triple *b)
+{
+    return a->sign_id - b->sign_id;
+}
+
+DECLARE_OBJ_BSEARCH_CMP_FN(nid_triple, nid_triple, sig);
+IMPLEMENT_OBJ_BSEARCH_CMP_FN(nid_triple, nid_triple, sig);
+
+static int sig_sk_cmp(const nid_triple *const *a, const nid_triple *const *b)
+{
+    return (*a)->sign_id - (*b)->sign_id;
+}
+
+DECLARE_OBJ_BSEARCH_CMP_FN(const nid_triple *, const nid_triple *, sigx);
+
+static int sigx_cmp(const nid_triple *const *a, const nid_triple *const *b)
+{
+    int ret;
+    ret = (*a)->hash_id - (*b)->hash_id;
+    if (ret)
+        return ret;
+    return (*a)->pkey_id - (*b)->pkey_id;
+}
+
+IMPLEMENT_OBJ_BSEARCH_CMP_FN(const nid_triple *, const nid_triple *, sigx);
+
+int OBJ_find_sigid_algs(int signid, int *pdig_nid, int *ppkey_nid)
+{
+    nid_triple tmp;
+    const nid_triple *rv = NULL;
+    tmp.sign_id = signid;
+
+    if (sig_app != NULL) {
+        int idx = sk_nid_triple_find(sig_app, &tmp);
+        rv = sk_nid_triple_value(sig_app, idx);
+    }
+#ifndef OBJ_XREF_TEST2
+    if (rv == NULL) {
+        rv = OBJ_bsearch_sig(&tmp, sigoid_srt, OSSL_NELEM(sigoid_srt));
+    }
+#endif
+    if (rv == NULL)
+        return 0;
+    if (pdig_nid)
+        *pdig_nid = rv->hash_id;
+    if (ppkey_nid)
+        *ppkey_nid = rv->pkey_id;
+    return 1;
+}
+
+int OBJ_find_sigid_by_algs(int *psignid, int dig_nid, int pkey_nid)
+{
+    nid_triple tmp;
+    const nid_triple *t = &tmp;
+    const nid_triple **rv = NULL;
+
+    tmp.hash_id = dig_nid;
+    tmp.pkey_id = pkey_nid;
+
+    if (sigx_app) {
+        int idx = sk_nid_triple_find(sigx_app, &tmp);
+        if (idx >= 0) {
+            t = sk_nid_triple_value(sigx_app, idx);
+            rv = &t;
+        }
+    }
+#ifndef OBJ_XREF_TEST2
+    if (rv == NULL) {
+        rv = OBJ_bsearch_sigx(&t, sigoid_srt_xref, OSSL_NELEM(sigoid_srt_xref));
+    }
+#endif
+    if (rv == NULL)
+        return 0;
+    if (psignid)
+        *psignid = (*rv)->sign_id;
+    return 1;
+}
+
+int OBJ_add_sigid(int signid, int dig_id, int pkey_id)
+{
+    nid_triple *ntr;
+    if (sig_app == NULL)
+        sig_app = sk_nid_triple_new(sig_sk_cmp);
+    if (sig_app == NULL)
+        return 0;
+    if (sigx_app == NULL)
+        sigx_app = sk_nid_triple_new(sigx_cmp);
+    if (sigx_app == NULL)
+        return 0;
+    if ((ntr = OPENSSL_malloc(sizeof(*ntr))) == NULL) {
+        OBJerr(OBJ_F_OBJ_ADD_SIGID, ERR_R_MALLOC_FAILURE);
+        return 0;
+    }
+    ntr->sign_id = signid;
+    ntr->hash_id = dig_id;
+    ntr->pkey_id = pkey_id;
+
+    if (!sk_nid_triple_push(sig_app, ntr)) {
+        OPENSSL_free(ntr);
+        return 0;
+    }
+
+    if (!sk_nid_triple_push(sigx_app, ntr))
+        return 0;
+
+    sk_nid_triple_sort(sig_app);
+    sk_nid_triple_sort(sigx_app);
+
+    return 1;
+}
+
+static void sid_free(nid_triple *tt)
+{
+    OPENSSL_free(tt);
+}
+
+void OBJ_sigid_free(void)
+{
+    sk_nid_triple_pop_free(sig_app, sid_free);
+    sig_app = NULL;
+    sk_nid_triple_free(sigx_app);
+    sigx_app = NULL;
+}