Initial commit: ccnxlibs.

Change-Id: I1b376527a7dd01a6b9e083a6cb646955902f45c0
Signed-off-by: Luca Muscariello <lumuscar+fdio@cisco.com>

1 files changed, 171 insertions, 0 deletions

diff --git a/libccnx-common/ccnx/common/ccnx_KeystoreUtilities.h b/libccnx-common/ccnx/common/ccnx_KeystoreUtilities.h
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+/*
+ * Copyright (c) 2017 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @file ccnx_KeystoreUtilities.h
+ * @ingroup Signature
+ * @brief A set of tools for working with the CCNx keystore.
+ *
+ */
+#ifndef libccnx_ccnx_KeystoreUtilities_h
+#define libccnx_ccnx_KeystoreUtilities_h
+
+#include <parc/security/parc_Signer.h>
+
+struct keystore_params;
+/**
+ * @typedef KeystoreParams
+ * @brief Parameters for the KeyStore.
+ */
+
+typedef struct keystore_params KeystoreParams;
+
+/**
+ * Create a new `KeystoreParams` from a @p path, @p password, and a {@link PARCSigner}.
+ *
+ * @param [in] signer A pointer to an instance of `PARCSigner`.
+ * @param [in] path The path to use.
+ * @param [in] password The password to use.
+ *
+ * @return A pointer to a new instance of `KeystoreParams`.
+ *
+ * Example:
+ * @code
+ * {
+ *     <#example#>
+ * }
+ * @endcode
+ *
+ */
+KeystoreParams *ccnxKeystoreUtilities_Create(PARCSigner *signer, const char *path, const char *password);
+
+/**
+ * Destroy the `KeystoreParams`.
+ *
+ * @param [in,out] paramsPtr A pointer to the pointer to the `KeystoreParams` to destroy.
+ *
+ * Example:
+ * @code
+ * {
+ *     <#example#>
+ * }
+ * @endcode
+ *
+ */
+void keystoreParams_Destroy(KeystoreParams **paramsPtr);
+
+/**
+ * Opens a PKCS12 keystore for use with CCNx, or creates it if missing.
+ *
+ *   All options may be NULL.
+ *      keystoreFile     is the filename and path to use.  If the option is omitted, then the default location is used.
+ *                       The default location is in ~/.ccnx/.ccnx_keystore.p12, which is a PKCS12 keystore.  For compatability
+ *                       with older implementations, will also look for ~/.ccnx/.ccnx_keystore without the file extension.
+ *      keystorePassword is the password to use.  If missing, will prompt with getpass(3).
+ *
+ *   This function uses the equivalent of getopt_long(3).  It does not change the argv.
+ *
+ * @param [in] keystoreFile The full path to the keystore, may be NULL to use ~/.ccnx/.ccnx_keystore.p12
+ * @param [in] keystorePassword The keystore password, may be NULL for no password.
+ * @return The `KeystoreParams`, including the path used, password used, and the `PARCSigner`, NULL if cannot be opened.
+ *
+ * Example:
+ * @code
+ * <#example#>
+ * @endcode
+ */
+KeystoreParams *ccnxKeystoreUtilities_OpenFile(const char *keystoreFile, const char *keystorePassword);
+
+/**
+ * Creates a PKCS12 keystore.
+ *
+ * @param [in] keystoreFile may be NULL to use the default location
+ * @param [in] keystorePassword The keystore password, may be NULL for no password.
+ * @param [in] keystoreBits The keystore bits, may be NULL for no password.
+ * @param [in] keystoreDays The keystore days, may be NULL for no password.
+ * @return The keystore parameters, including the path used, password used, and the `PARCSigner`, NULL if cannot be created.
+ *
+ * Example:
+ * @code
+ * <#example#>
+ * @endcode
+ */
+KeystoreParams *ccnxKeystoreUtilities_CreateFile(const char *keystoreFile, const char *keystorePassword, int keystoreBits, int keystoreDays);
+
+/**
+ * Returns an allocated buffer with password
+ *
+ *   Reads a password from stdin, then scrubs the static memory
+ *
+ * @return Free with {@link parcMemory_Deallocate()}
+ *
+ * Example:
+ * @code
+ * <#example#>
+ * @endcode
+ */
+char *ccnxKeystoreUtilities_ReadPassword(void);
+
+/**
+ * Returns an allocated buffer with password
+ *
+ *   Reads a password from stdin, then scrubs the static memory.
+ *   Confirms that it equals the provided password.
+ *
+ * @param [in] mustEqualPassword The password that must match.
+ *
+ * @return `true` if the password from stdin matches.
+ *
+ * Example:
+ * @code
+ * <#example#>
+ * @endcode
+ */
+bool ccnxKeystoreUtilities_ConfirmPassword(const char *mustEqualPassword);
+
+/**
+ * Get the file name from the given {@link KeystoreParams} instance.
+ *
+ * @param [in] params A pointer to a valid `KeystoreParams` instance.
+ *
+ * @return A pointer to a null-terminated C string containing the file name.
+ *
+ * Example:
+ * @code
+ * {
+ *     <#example#>
+ * }
+ * @endcode
+ *
+ */
+const char *ccnxKeystoreUtilities_GetFileName(const KeystoreParams *params);
+
+/**
+ * Get the password from the given `KeyStoreParams` instance.
+ *
+ * @param [in] params A pointer to a valid `KeystoreParams` instance.
+ *
+ * @return A pointer to a null-terminated C string containing the password.
+ *
+ * Example:
+ * @code
+ * {
+ *     <#example#>
+ * }
+ * @endcode
+ *
+ */
+const char *ccnxKeystoreUtilities_GetPassword(const KeystoreParams *params);
+#endif // libccnx_ccnx_KeystoreUtilities_h