zte's code,first commit

Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/lib/libssl/openssl-1.1.1o/crypto/x509/x509_att.c b/ap/lib/libssl/openssl-1.1.1o/crypto/x509/x509_att.c
new file mode 100644
index 0000000..cc9f9d1
--- /dev/null
+++ b/ap/lib/libssl/openssl-1.1.1o/crypto/x509/x509_att.c
@@ -0,0 +1,331 @@
+/*
+ * Copyright 1995-2020 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 <stdio.h>
+#include "internal/cryptlib.h"
+#include <openssl/safestack.h>
+#include <openssl/asn1.h>
+#include <openssl/objects.h>
+#include <openssl/evp.h>
+#include <openssl/x509.h>
+#include <openssl/x509v3.h>
+#include "x509_local.h"
+
+int X509at_get_attr_count(const STACK_OF(X509_ATTRIBUTE) *x)
+{
+    return sk_X509_ATTRIBUTE_num(x);
+}
+
+int X509at_get_attr_by_NID(const STACK_OF(X509_ATTRIBUTE) *x, int nid,
+                           int lastpos)
+{
+    const ASN1_OBJECT *obj = OBJ_nid2obj(nid);
+
+    if (obj == NULL)
+        return -2;
+    return X509at_get_attr_by_OBJ(x, obj, lastpos);
+}
+
+int X509at_get_attr_by_OBJ(const STACK_OF(X509_ATTRIBUTE) *sk,
+                           const ASN1_OBJECT *obj, int lastpos)
+{
+    int n;
+    X509_ATTRIBUTE *ex;
+
+    if (sk == NULL)
+        return -1;
+    lastpos++;
+    if (lastpos < 0)
+        lastpos = 0;
+    n = sk_X509_ATTRIBUTE_num(sk);
+    for (; lastpos < n; lastpos++) {
+        ex = sk_X509_ATTRIBUTE_value(sk, lastpos);
+        if (OBJ_cmp(ex->object, obj) == 0)
+            return lastpos;
+    }
+    return -1;
+}
+
+X509_ATTRIBUTE *X509at_get_attr(const STACK_OF(X509_ATTRIBUTE) *x, int loc)
+{
+    if (x == NULL || sk_X509_ATTRIBUTE_num(x) <= loc || loc < 0)
+        return NULL;
+
+    return sk_X509_ATTRIBUTE_value(x, loc);
+}
+
+X509_ATTRIBUTE *X509at_delete_attr(STACK_OF(X509_ATTRIBUTE) *x, int loc)
+{
+    X509_ATTRIBUTE *ret;
+
+    if (x == NULL || sk_X509_ATTRIBUTE_num(x) <= loc || loc < 0)
+        return NULL;
+    ret = sk_X509_ATTRIBUTE_delete(x, loc);
+    return ret;
+}
+
+STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr(STACK_OF(X509_ATTRIBUTE) **x,
+                                           X509_ATTRIBUTE *attr)
+{
+    X509_ATTRIBUTE *new_attr = NULL;
+    STACK_OF(X509_ATTRIBUTE) *sk = NULL;
+
+    if (x == NULL) {
+        X509err(X509_F_X509AT_ADD1_ATTR, ERR_R_PASSED_NULL_PARAMETER);
+        goto err2;
+    }
+
+    if (*x == NULL) {
+        if ((sk = sk_X509_ATTRIBUTE_new_null()) == NULL)
+            goto err;
+    } else
+        sk = *x;
+
+    if ((new_attr = X509_ATTRIBUTE_dup(attr)) == NULL)
+        goto err2;
+    if (!sk_X509_ATTRIBUTE_push(sk, new_attr))
+        goto err;
+    if (*x == NULL)
+        *x = sk;
+    return sk;
+ err:
+    X509err(X509_F_X509AT_ADD1_ATTR, ERR_R_MALLOC_FAILURE);
+ err2:
+    X509_ATTRIBUTE_free(new_attr);
+    sk_X509_ATTRIBUTE_free(sk);
+    return NULL;
+}
+
+STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_OBJ(STACK_OF(X509_ATTRIBUTE)
+                                                  **x, const ASN1_OBJECT *obj,
+                                                  int type,
+                                                  const unsigned char *bytes,
+                                                  int len)
+{
+    X509_ATTRIBUTE *attr;
+    STACK_OF(X509_ATTRIBUTE) *ret;
+    attr = X509_ATTRIBUTE_create_by_OBJ(NULL, obj, type, bytes, len);
+    if (!attr)
+        return 0;
+    ret = X509at_add1_attr(x, attr);
+    X509_ATTRIBUTE_free(attr);
+    return ret;
+}
+
+STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_NID(STACK_OF(X509_ATTRIBUTE)
+                                                  **x, int nid, int type,
+                                                  const unsigned char *bytes,
+                                                  int len)
+{
+    X509_ATTRIBUTE *attr;
+    STACK_OF(X509_ATTRIBUTE) *ret;
+    attr = X509_ATTRIBUTE_create_by_NID(NULL, nid, type, bytes, len);
+    if (!attr)
+        return 0;
+    ret = X509at_add1_attr(x, attr);
+    X509_ATTRIBUTE_free(attr);
+    return ret;
+}
+
+STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_txt(STACK_OF(X509_ATTRIBUTE)
+                                                  **x, const char *attrname,
+                                                  int type,
+                                                  const unsigned char *bytes,
+                                                  int len)
+{
+    X509_ATTRIBUTE *attr;
+    STACK_OF(X509_ATTRIBUTE) *ret;
+    attr = X509_ATTRIBUTE_create_by_txt(NULL, attrname, type, bytes, len);
+    if (!attr)
+        return 0;
+    ret = X509at_add1_attr(x, attr);
+    X509_ATTRIBUTE_free(attr);
+    return ret;
+}
+
+void *X509at_get0_data_by_OBJ(const STACK_OF(X509_ATTRIBUTE) *x,
+                              const ASN1_OBJECT *obj, int lastpos, int type)
+{
+    int i;
+    X509_ATTRIBUTE *at;
+    i = X509at_get_attr_by_OBJ(x, obj, lastpos);
+    if (i == -1)
+        return NULL;
+    if ((lastpos <= -2) && (X509at_get_attr_by_OBJ(x, obj, i) != -1))
+        return NULL;
+    at = X509at_get_attr(x, i);
+    if (lastpos <= -3 && (X509_ATTRIBUTE_count(at) != 1))
+        return NULL;
+    return X509_ATTRIBUTE_get0_data(at, 0, type, NULL);
+}
+
+X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_NID(X509_ATTRIBUTE **attr, int nid,
+                                             int atrtype, const void *data,
+                                             int len)
+{
+    ASN1_OBJECT *obj;
+    X509_ATTRIBUTE *ret;
+
+    obj = OBJ_nid2obj(nid);
+    if (obj == NULL) {
+        X509err(X509_F_X509_ATTRIBUTE_CREATE_BY_NID, X509_R_UNKNOWN_NID);
+        return NULL;
+    }
+    ret = X509_ATTRIBUTE_create_by_OBJ(attr, obj, atrtype, data, len);
+    if (ret == NULL)
+        ASN1_OBJECT_free(obj);
+    return ret;
+}
+
+X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_OBJ(X509_ATTRIBUTE **attr,
+                                             const ASN1_OBJECT *obj,
+                                             int atrtype, const void *data,
+                                             int len)
+{
+    X509_ATTRIBUTE *ret;
+
+    if ((attr == NULL) || (*attr == NULL)) {
+        if ((ret = X509_ATTRIBUTE_new()) == NULL) {
+            X509err(X509_F_X509_ATTRIBUTE_CREATE_BY_OBJ,
+                    ERR_R_MALLOC_FAILURE);
+            return NULL;
+        }
+    } else
+        ret = *attr;
+
+    if (!X509_ATTRIBUTE_set1_object(ret, obj))
+        goto err;
+    if (!X509_ATTRIBUTE_set1_data(ret, atrtype, data, len))
+        goto err;
+
+    if ((attr != NULL) && (*attr == NULL))
+        *attr = ret;
+    return ret;
+ err:
+    if ((attr == NULL) || (ret != *attr))
+        X509_ATTRIBUTE_free(ret);
+    return NULL;
+}
+
+X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_txt(X509_ATTRIBUTE **attr,
+                                             const char *atrname, int type,
+                                             const unsigned char *bytes,
+                                             int len)
+{
+    ASN1_OBJECT *obj;
+    X509_ATTRIBUTE *nattr;
+
+    obj = OBJ_txt2obj(atrname, 0);
+    if (obj == NULL) {
+        X509err(X509_F_X509_ATTRIBUTE_CREATE_BY_TXT,
+                X509_R_INVALID_FIELD_NAME);
+        ERR_add_error_data(2, "name=", atrname);
+        return NULL;
+    }
+    nattr = X509_ATTRIBUTE_create_by_OBJ(attr, obj, type, bytes, len);
+    ASN1_OBJECT_free(obj);
+    return nattr;
+}
+
+int X509_ATTRIBUTE_set1_object(X509_ATTRIBUTE *attr, const ASN1_OBJECT *obj)
+{
+    if ((attr == NULL) || (obj == NULL))
+        return 0;
+    ASN1_OBJECT_free(attr->object);
+    attr->object = OBJ_dup(obj);
+    return attr->object != NULL;
+}
+
+int X509_ATTRIBUTE_set1_data(X509_ATTRIBUTE *attr, int attrtype,
+                             const void *data, int len)
+{
+    ASN1_TYPE *ttmp = NULL;
+    ASN1_STRING *stmp = NULL;
+    int atype = 0;
+    if (!attr)
+        return 0;
+    if (attrtype & MBSTRING_FLAG) {
+        stmp = ASN1_STRING_set_by_NID(NULL, data, len, attrtype,
+                                      OBJ_obj2nid(attr->object));
+        if (!stmp) {
+            X509err(X509_F_X509_ATTRIBUTE_SET1_DATA, ERR_R_ASN1_LIB);
+            return 0;
+        }
+        atype = stmp->type;
+    } else if (len != -1) {
+        if ((stmp = ASN1_STRING_type_new(attrtype)) == NULL)
+            goto err;
+        if (!ASN1_STRING_set(stmp, data, len))
+            goto err;
+        atype = attrtype;
+    }
+    /*
+     * This is a bit naughty because the attribute should really have at
+     * least one value but some types use and zero length SET and require
+     * this.
+     */
+    if (attrtype == 0) {
+        ASN1_STRING_free(stmp);
+        return 1;
+    }
+    if ((ttmp = ASN1_TYPE_new()) == NULL)
+        goto err;
+    if ((len == -1) && !(attrtype & MBSTRING_FLAG)) {
+        if (!ASN1_TYPE_set1(ttmp, attrtype, data))
+            goto err;
+    } else {
+        ASN1_TYPE_set(ttmp, atype, stmp);
+        stmp = NULL;
+    }
+    if (!sk_ASN1_TYPE_push(attr->set, ttmp))
+        goto err;
+    return 1;
+ err:
+    X509err(X509_F_X509_ATTRIBUTE_SET1_DATA, ERR_R_MALLOC_FAILURE);
+    ASN1_TYPE_free(ttmp);
+    ASN1_STRING_free(stmp);
+    return 0;
+}
+
+int X509_ATTRIBUTE_count(const X509_ATTRIBUTE *attr)
+{
+    if (attr == NULL)
+        return 0;
+    return sk_ASN1_TYPE_num(attr->set);
+}
+
+ASN1_OBJECT *X509_ATTRIBUTE_get0_object(X509_ATTRIBUTE *attr)
+{
+    if (attr == NULL)
+        return NULL;
+    return attr->object;
+}
+
+void *X509_ATTRIBUTE_get0_data(X509_ATTRIBUTE *attr, int idx,
+                               int atrtype, void *data)
+{
+    ASN1_TYPE *ttmp;
+    ttmp = X509_ATTRIBUTE_get0_type(attr, idx);
+    if (!ttmp)
+        return NULL;
+    if (atrtype == V_ASN1_BOOLEAN
+            || atrtype == V_ASN1_NULL
+            || atrtype != ASN1_TYPE_get(ttmp)) {
+        X509err(X509_F_X509_ATTRIBUTE_GET0_DATA, X509_R_WRONG_TYPE);
+        return NULL;
+    }
+    return ttmp->value.ptr;
+}
+
+ASN1_TYPE *X509_ATTRIBUTE_get0_type(X509_ATTRIBUTE *attr, int idx)
+{
+    if (attr == NULL)
+        return NULL;
+    return sk_ASN1_TYPE_value(attr->set, idx);
+}