Add more codes in tpm2-plugin

Implement tpm2_plugin_load_key() and tpm2_plugin_rsa_sign() APIs

Issue-ID: AAF-94
Change-Id: I5f4329fdf973e52264d9e0e8aabc864c5fbdeebf
Signed-off-by: NingSun <ning.sun@intel.com>

1 files changed, 208 insertions, 0 deletions

diff --git a/TPM2-Plugin/lib/include/tpm2_options.h b/TPM2-Plugin/lib/include/tpm2_options.h
new file mode 100644
index 0000000..860d9b0
--- /dev/null
+++ b/TPM2-Plugin/lib/include/tpm2_options.h
@@ -0,0 +1,208 @@
+/*
+ * Copyright (c) 2016, Intel Corporation
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of Intel Corporation nor the names of its contributors
+ * may be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef OPTIONS_H
+#define OPTIONS_H
+
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+
+#include <getopt.h>
+
+#include <tss2/tss2_sys.h>
+
+typedef union tpm2_option_flags tpm2_option_flags;
+union tpm2_option_flags {
+    struct {
+        UINT8 verbose : 1;
+        UINT8 quiet   : 1;
+        UINT8 enable_errata  : 1;
+    };
+    UINT8 all;
+};
+
+/**
+ * This function pointer defines the interface for tcti initialization.
+ * ALL tool supported TCTIs should implement this interface.
+ * @param opts
+ *  An option string, that is defined by the tcti, and is passed
+ *  via the --tcti= or -T options.
+ *
+ *  Anything following the : in the --tcti option is provides as opts.
+ * @return
+ *   NULL on error or an initialized TCTI.
+ */
+typedef TSS2_TCTI_CONTEXT *(*tcti_init)(char *opts);
+
+/**
+ * Tools may implement this optional interface if they need
+ * to handle options.
+ * @param key
+ *  The key of the option, ie short option return value from getopt_long().
+ * @param value
+ *  The getopt_long optarg value.
+ * @return
+ *  true on success, false on error.
+ * @note
+ *  LOG_INFO and TOOL_OUTPUT will not work correctly during this callback.
+ *  This is called after onstart() finishes, but before
+ *  onrun() is invoked.
+ *
+ */
+typedef bool (*tpm2_option_handler)(char key, char *value);
+
+/**
+ * Called after option handling to process arguments, if specified.
+ * @param argc
+ *  The number of args in argv.
+ * @param argv
+ *  The arguments.
+ * @return
+ *  true on success, false otherwise.
+ * @note
+ *  LOG_INFO adn TOOL_OUTPUT will not work correctly during this callback.
+ *  This is called after onstart() and tpm2_option_handler() (if specified),
+ *  but before onrun() is invoked.
+ *
+ */
+typedef bool (*tpm2_arg_handler)(int argc, char **argv);
+
+/**
+ * TPM2_OPTIONS_* flags change default behavior of the argument parser
+ *
+ * TPM2_OPTIONS_SHOW_USAGE:
+ *  Enable printing a short usage summary (I.e. help)
+ * TPM2_OPTIONS_NO_SAPI:
+ *  Skip SAPI initialization. Removes the "-T" common option.
+ */
+#define TPM2_OPTIONS_SHOW_USAGE 0x1
+#define TPM2_OPTIONS_NO_SAPI 0x2
+
+struct tpm2_options {
+    struct {
+        tpm2_option_handler on_opt;
+        tpm2_arg_handler on_arg;
+    } callbacks;
+    char *short_opts;
+    size_t len;
+    UINT32 flags;
+    struct option long_opts[];
+};
+
+typedef struct tpm2_options tpm2_options;
+
+/**
+ * The onstart() routine expects a return of NULL or a tpm2_options structure.
+ * This routine initializes said object.
+ * @param short_opts
+ *  Any short options you wish to specify to getopt_long.
+ * @param len
+ *  The length of the long_opts array.
+ * @param long_opts
+ *  Any long options you wish to specify to getopt_long().
+ * @param on_opt
+ *  An option handling callback, which may be null if you don't wish
+ *  to handle options.
+ * @param on_arg
+ *  An argument handling callback, which may be null if you don't wish
+ *  to handle arguments.
+ * @param flags
+ *  TPM2_OPTIONS_* bit flags
+ * @return
+ *  NULL on failure or an initialized tpm2_options object.
+ */
+tpm2_options *tpm2_options_new(const char *short_opts, size_t len,
+        const struct option *long_opts, tpm2_option_handler on_opt,
+        tpm2_arg_handler on_arg, UINT32 flags);
+
+/**
+ * Concatenates two tpm2_options objects, with src appended on
+ * dest. The internal callbacks for tpm2_arg_handler and tpm2_option_handler
+ * which were specified during tpm2_options_new() are copied from src to
+ * dest, thus overwriting dest. Short and long options are concatenated.
+ * @param dest
+ *  The tpm2_options object to append to.
+ * @param src
+ *  The source tpm2_options to append onto dest.
+ * @return
+ *  true on success, false otherwise.
+ */
+bool tpm2_options_cat(tpm2_options **dest, tpm2_options *src);
+
+/**
+ * Free's a tpm2_options created via tpm2_options_new().
+ * @param opts
+ *  The tpm2_options object to deallocate.
+ */
+void tpm2_options_free(tpm2_options *opts);
+
+typedef enum tpm2_option_code tpm2_option_code;
+enum tpm2_option_code {
+    tpm2_option_code_continue,
+    tpm2_option_code_stop,
+    tpm2_option_code_err
+};
+
+/**
+ * Parses the tpm2_tool command line.
+ *
+ * @param argc
+ *  The argc from main.
+ * @param argv
+ *  The argv from main.
+ * @param tool_opts
+ *  The tool options gathered during onstart() lifecycle call.
+ * @param flags
+ *  The tpm2_option_flags to set during parsing.
+ * @param tcti
+ *  The tcti initialized from the tcti options.
+ * @return
+ *  A tpm option code indicating if an error, further processing
+ *  or an immediate exit is desired.
+ * @note
+ *  Used by tpm2_tool, and likely should only be used there.
+ *
+ */
+tpm2_option_code tpm2_handle_options (int argc, char **argv,
+        tpm2_options *tool_opts, tpm2_option_flags *flags,
+        TSS2_TCTI_CONTEXT **tcti);
+
+/**
+ * Print usage summary for a given tpm2 tool.
+ *
+ * @param command
+ *  The command to print its usage summary text.
+ * @param tool_opts
+ *  The tpm2_options array that contains the tool options to print as a summary.
+ */
+void tpm2_print_usage(const char *command, struct tpm2_options *tool_opts);
+
+#endif /* OPTIONS_H */