Join the x509 and x509v3 directories

This has been long overdue.

Note that this does not join the X509 and X509V3 error modules, that
will be too many macro changes at this stage.

Fixes #8919

Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/8925)

1 files changed, 84 insertions, 0 deletions

diff --git a/crypto/x509/v3_bcons.c b/crypto/x509/v3_bcons.c
new file mode 100644
index 0000000000..02e300229c
--- /dev/null
+++ b/crypto/x509/v3_bcons.c
@@ -0,0 +1,84 @@
+/*
+ * Copyright 1999-2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License 2.0 (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/asn1.h>
+#include <openssl/asn1t.h>
+#include <openssl/conf.h>
+#include <openssl/x509v3.h>
+#include "ext_dat.h"
+
+static STACK_OF(CONF_VALUE) *i2v_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method,
+                                                   BASIC_CONSTRAINTS *bcons,
+                                                   STACK_OF(CONF_VALUE)
+                                                   *extlist);
+static BASIC_CONSTRAINTS *v2i_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method,
+                                                X509V3_CTX *ctx,
+                                                STACK_OF(CONF_VALUE) *values);
+
+const X509V3_EXT_METHOD v3_bcons = {
+    NID_basic_constraints, 0,
+    ASN1_ITEM_ref(BASIC_CONSTRAINTS),
+    0, 0, 0, 0,
+    0, 0,
+    (X509V3_EXT_I2V) i2v_BASIC_CONSTRAINTS,
+    (X509V3_EXT_V2I)v2i_BASIC_CONSTRAINTS,
+    NULL, NULL,
+    NULL
+};
+
+ASN1_SEQUENCE(BASIC_CONSTRAINTS) = {
+        ASN1_OPT(BASIC_CONSTRAINTS, ca, ASN1_FBOOLEAN),
+        ASN1_OPT(BASIC_CONSTRAINTS, pathlen, ASN1_INTEGER)
+} ASN1_SEQUENCE_END(BASIC_CONSTRAINTS)
+
+IMPLEMENT_ASN1_FUNCTIONS(BASIC_CONSTRAINTS)
+
+static STACK_OF(CONF_VALUE) *i2v_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method,
+                                                   BASIC_CONSTRAINTS *bcons,
+                                                   STACK_OF(CONF_VALUE)
+                                                   *extlist)
+{
+    X509V3_add_value_bool("CA", bcons->ca, &extlist);
+    X509V3_add_value_int("pathlen", bcons->pathlen, &extlist);
+    return extlist;
+}
+
+static BASIC_CONSTRAINTS *v2i_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method,
+                                                X509V3_CTX *ctx,
+                                                STACK_OF(CONF_VALUE) *values)
+{
+    BASIC_CONSTRAINTS *bcons = NULL;
+    CONF_VALUE *val;
+    int i;
+
+    if ((bcons = BASIC_CONSTRAINTS_new()) == NULL) {
+        X509V3err(X509V3_F_V2I_BASIC_CONSTRAINTS, ERR_R_MALLOC_FAILURE);
+        return NULL;
+    }
+    for (i = 0; i < sk_CONF_VALUE_num(values); i++) {
+        val = sk_CONF_VALUE_value(values, i);
+        if (strcmp(val->name, "CA") == 0) {
+            if (!X509V3_get_value_bool(val, &bcons->ca))
+                goto err;
+        } else if (strcmp(val->name, "pathlen") == 0) {
+            if (!X509V3_get_value_int(val, &bcons->pathlen))
+                goto err;
+        } else {
+            X509V3err(X509V3_F_V2I_BASIC_CONSTRAINTS, X509V3_R_INVALID_NAME);
+            X509V3_conf_err(val);
+            goto err;
+        }
+    }
+    return bcons;
+ err:
+    BASIC_CONSTRAINTS_free(bcons);
+    return NULL;
+}