Upgrade openssl from 1.1.0e to 1.1.1b, with source code. 4.0.78

trunk/3rdparty/openssl-1.1-fit/crypto/x509v3/v3_lib.c

@@ -0,0 +1,303 @@
+/*
+ * Copyright 1999-2018 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
+ */
+
+/* X509 v3 extension utilities */
+
+#include <stdio.h>
+#include "internal/cryptlib.h"
+#include <openssl/conf.h>
+#include <openssl/x509v3.h>
+
+#include "ext_dat.h"
+
+static STACK_OF(X509V3_EXT_METHOD) *ext_list = NULL;
+
+static int ext_cmp(const X509V3_EXT_METHOD *const *a,
+                   const X509V3_EXT_METHOD *const *b);
+static void ext_list_free(X509V3_EXT_METHOD *ext);
+
+int X509V3_EXT_add(X509V3_EXT_METHOD *ext)
+{
+    if (ext_list == NULL
+        && (ext_list = sk_X509V3_EXT_METHOD_new(ext_cmp)) == NULL) {
+        X509V3err(X509V3_F_X509V3_EXT_ADD, ERR_R_MALLOC_FAILURE);
+        return 0;
+    }
+    if (!sk_X509V3_EXT_METHOD_push(ext_list, ext)) {
+        X509V3err(X509V3_F_X509V3_EXT_ADD, ERR_R_MALLOC_FAILURE);
+        return 0;
+    }
+    return 1;
+}
+
+static int ext_cmp(const X509V3_EXT_METHOD *const *a,
+                   const X509V3_EXT_METHOD *const *b)
+{
+    return ((*a)->ext_nid - (*b)->ext_nid);
+}
+
+DECLARE_OBJ_BSEARCH_CMP_FN(const X509V3_EXT_METHOD *,
+                           const X509V3_EXT_METHOD *, ext);
+IMPLEMENT_OBJ_BSEARCH_CMP_FN(const X509V3_EXT_METHOD *,
+                             const X509V3_EXT_METHOD *, ext);
+
+#include "standard_exts.h"
+
+const X509V3_EXT_METHOD *X509V3_EXT_get_nid(int nid)
+{
+    X509V3_EXT_METHOD tmp;
+    const X509V3_EXT_METHOD *t = &tmp, *const *ret;
+    int idx;
+
+    if (nid < 0)
+        return NULL;
+    tmp.ext_nid = nid;
+    ret = OBJ_bsearch_ext(&t, standard_exts, STANDARD_EXTENSION_COUNT);
+    if (ret)
+        return *ret;
+    if (!ext_list)
+        return NULL;
+    idx = sk_X509V3_EXT_METHOD_find(ext_list, &tmp);
+    return sk_X509V3_EXT_METHOD_value(ext_list, idx);
+}
+
+const X509V3_EXT_METHOD *X509V3_EXT_get(X509_EXTENSION *ext)
+{
+    int nid;
+    if ((nid = OBJ_obj2nid(X509_EXTENSION_get_object(ext))) == NID_undef)
+        return NULL;
+    return X509V3_EXT_get_nid(nid);
+}
+
+int X509V3_EXT_add_list(X509V3_EXT_METHOD *extlist)
+{
+    for (; extlist->ext_nid != -1; extlist++)
+        if (!X509V3_EXT_add(extlist))
+            return 0;
+    return 1;
+}
+
+int X509V3_EXT_add_alias(int nid_to, int nid_from)
+{
+    const X509V3_EXT_METHOD *ext;
+    X509V3_EXT_METHOD *tmpext;
+
+    if ((ext = X509V3_EXT_get_nid(nid_from)) == NULL) {
+        X509V3err(X509V3_F_X509V3_EXT_ADD_ALIAS, X509V3_R_EXTENSION_NOT_FOUND);
+        return 0;
+    }
+    if ((tmpext = OPENSSL_malloc(sizeof(*tmpext))) == NULL) {
+        X509V3err(X509V3_F_X509V3_EXT_ADD_ALIAS, ERR_R_MALLOC_FAILURE);
+        return 0;
+    }
+    *tmpext = *ext;
+    tmpext->ext_nid = nid_to;
+    tmpext->ext_flags |= X509V3_EXT_DYNAMIC;
+    return X509V3_EXT_add(tmpext);
+}
+
+void X509V3_EXT_cleanup(void)
+{
+    sk_X509V3_EXT_METHOD_pop_free(ext_list, ext_list_free);
+    ext_list = NULL;
+}
+
+static void ext_list_free(X509V3_EXT_METHOD *ext)
+{
+    if (ext->ext_flags & X509V3_EXT_DYNAMIC)
+        OPENSSL_free(ext);
+}
+
+/*
+ * Legacy function: we don't need to add standard extensions any more because
+ * they are now kept in ext_dat.h.
+ */
+
+int X509V3_add_standard_extensions(void)
+{
+    return 1;
+}
+
+/* Return an extension internal structure */
+
+void *X509V3_EXT_d2i(X509_EXTENSION *ext)
+{
+    const X509V3_EXT_METHOD *method;
+    const unsigned char *p;
+    ASN1_STRING *extvalue;
+    int extlen;
+
+    if ((method = X509V3_EXT_get(ext)) == NULL)
+        return NULL;
+    extvalue = X509_EXTENSION_get_data(ext);
+    p = ASN1_STRING_get0_data(extvalue);
+    extlen = ASN1_STRING_length(extvalue);
+    if (method->it)
+        return ASN1_item_d2i(NULL, &p, extlen, ASN1_ITEM_ptr(method->it));
+    return method->d2i(NULL, &p, extlen);
+}
+
+/*-
+ * Get critical flag and decoded version of extension from a NID.
+ * The "idx" variable returns the last found extension and can
+ * be used to retrieve multiple extensions of the same NID.
+ * However multiple extensions with the same NID is usually
+ * due to a badly encoded certificate so if idx is NULL we
+ * choke if multiple extensions exist.
+ * The "crit" variable is set to the critical value.
+ * The return value is the decoded extension or NULL on
+ * error. The actual error can have several different causes,
+ * the value of *crit reflects the cause:
+ * >= 0, extension found but not decoded (reflects critical value).
+ * -1 extension not found.
+ * -2 extension occurs more than once.
+ */
+
+void *X509V3_get_d2i(const STACK_OF(X509_EXTENSION) *x, int nid, int *crit,
+                     int *idx)
+{
+    int lastpos, i;
+    X509_EXTENSION *ex, *found_ex = NULL;
+
+    if (!x) {
+        if (idx)
+            *idx = -1;
+        if (crit)
+            *crit = -1;
+        return NULL;
+    }
+    if (idx)
+        lastpos = *idx + 1;
+    else
+        lastpos = 0;
+    if (lastpos < 0)
+        lastpos = 0;
+    for (i = lastpos; i < sk_X509_EXTENSION_num(x); i++) {
+        ex = sk_X509_EXTENSION_value(x, i);
+        if (OBJ_obj2nid(X509_EXTENSION_get_object(ex)) == nid) {
+            if (idx) {
+                *idx = i;
+                found_ex = ex;
+                break;
+            } else if (found_ex) {
+                /* Found more than one */
+                if (crit)
+                    *crit = -2;
+                return NULL;
+            }
+            found_ex = ex;
+        }
+    }
+    if (found_ex) {
+        /* Found it */
+        if (crit)
+            *crit = X509_EXTENSION_get_critical(found_ex);
+        return X509V3_EXT_d2i(found_ex);
+    }
+
+    /* Extension not found */
+    if (idx)
+        *idx = -1;
+    if (crit)
+        *crit = -1;
+    return NULL;
+}
+
+/*
+ * This function is a general extension append, replace and delete utility.
+ * The precise operation is governed by the 'flags' value. The 'crit' and
+ * 'value' arguments (if relevant) are the extensions internal structure.
+ */
+
+int X509V3_add1_i2d(STACK_OF(X509_EXTENSION) **x, int nid, void *value,
+                    int crit, unsigned long flags)
+{
+    int errcode, extidx = -1;
+    X509_EXTENSION *ext = NULL, *extmp;
+    STACK_OF(X509_EXTENSION) *ret = NULL;
+    unsigned long ext_op = flags & X509V3_ADD_OP_MASK;
+
+    /*
+     * If appending we don't care if it exists, otherwise look for existing
+     * extension.
+     */
+    if (ext_op != X509V3_ADD_APPEND)
+        extidx = X509v3_get_ext_by_NID(*x, nid, -1);
+
+    /* See if extension exists */
+    if (extidx >= 0) {
+        /* If keep existing, nothing to do */
+        if (ext_op == X509V3_ADD_KEEP_EXISTING)
+            return 1;
+        /* If default then its an error */
+        if (ext_op == X509V3_ADD_DEFAULT) {
+            errcode = X509V3_R_EXTENSION_EXISTS;
+            goto err;
+        }
+        /* If delete, just delete it */
+        if (ext_op == X509V3_ADD_DELETE) {
+            if (!sk_X509_EXTENSION_delete(*x, extidx))
+                return -1;
+            return 1;
+        }
+    } else {
+        /*
+         * If replace existing or delete, error since extension must exist
+         */
+        if ((ext_op == X509V3_ADD_REPLACE_EXISTING) ||
+            (ext_op == X509V3_ADD_DELETE)) {
+            errcode = X509V3_R_EXTENSION_NOT_FOUND;
+            goto err;
+        }
+    }
+
+    /*
+     * If we get this far then we have to create an extension: could have
+     * some flags for alternative encoding schemes...
+     */
+
+    ext = X509V3_EXT_i2d(nid, crit, value);
+
+    if (!ext) {
+        X509V3err(X509V3_F_X509V3_ADD1_I2D,
+                  X509V3_R_ERROR_CREATING_EXTENSION);
+        return 0;
+    }
+
+    /* If extension exists replace it.. */
+    if (extidx >= 0) {
+        extmp = sk_X509_EXTENSION_value(*x, extidx);
+        X509_EXTENSION_free(extmp);
+        if (!sk_X509_EXTENSION_set(*x, extidx, ext))
+            return -1;
+        return 1;
+    }
+
+    ret = *x;
+    if (*x == NULL
+        && (ret = sk_X509_EXTENSION_new_null()) == NULL)
+        goto m_fail;
+    if (!sk_X509_EXTENSION_push(ret, ext))
+        goto m_fail;
+
+    *x = ret;
+    return 1;
+
+ m_fail:
+    /* X509V3err(X509V3_F_X509V3_ADD1_I2D, ERR_R_MALLOC_FAILURE); */
+    if (ret != *x)
+        sk_X509_EXTENSION_free(ret);
+    X509_EXTENSION_free(ext);
+    return -1;
+
+ err:
+    if (!(flags & X509V3_ADD_SILENT))
+        X509V3err(X509V3_F_X509V3_ADD1_I2D, errcode);
+    return 0;
+}