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Diffstat (limited to 'TPM2-Plugin/lib/include/tpm2_error.h')
| -rw-r--r-- | TPM2-Plugin/lib/include/tpm2_error.h | 136 |
1 files changed, 0 insertions, 136 deletions
diff --git a/TPM2-Plugin/lib/include/tpm2_error.h b/TPM2-Plugin/lib/include/tpm2_error.h deleted file mode 100644 index 01ec043..0000000 --- a/TPM2-Plugin/lib/include/tpm2_error.h +++ /dev/null @@ -1,136 +0,0 @@ -//**********************************************************************; -// Copyright (c) 2018, 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. -// -// 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 LIB_TPM2_ERROR_H_ -#define LIB_TPM2_ERROR_H_ - -#include <stdbool.h> - -#include <tss2/tss2_sys.h> - -/** - * Number of error layers - */ -#define TPM2_ERROR_TSS2_RC_LAYER_COUNT (TSS2_RC_LAYER_MASK >> TSS2_RC_LAYER_SHIFT) - -/** - * Mask for the error bits of tpm2 compliant return code. - */ -#define TPM2_ERROR_TSS2_RC_ERROR_MASK 0xFFFF - -/** - * Retrieves the error bits from a TSS2_RC. The error bits are - * contained in the first 2 octets. - * @param rc - * The rc to query for the error bits. - * @return - * The error bits. - */ -static inline UINT16 tpm2_error_get(TSS2_RC rc) { - return ((rc & TPM2_ERROR_TSS2_RC_ERROR_MASK)); -} - -/** - * A custom error handler prototype. - * @param rc - * The rc to decode with only the error bits set, ie no need to mask the - * layer bits out. Handlers will never be invoked with the error bits set - * to 0, as zero always indicates success. - * @return - * An error string describing the rc. If the handler cannot determine - * a valid response, it can return NULL indicating that the framework - * should just print the raw hexidecimal value of the error field of - * a tpm2_err_layer_rc. - * Note that this WILL NOT BE FREED by the caller, - * i.e. static. - */ -typedef const char *(*tpm2_error_handler)(TSS2_RC rc); - -/** - * Register or unregister a custom layer error handler. - * @param layer - * The layer in which to register a handler for. It is an error - * to register for the following reserved layers: - * - TSS2_TPM_RC_LAYER - layer 0 - * - TSS2_SYS_RC_LAYER - layer 8 - * - TSS2_MU_RC_LAYER - layer 9 - * - TSS2_TCTI_RC_LAYER - layer 10 - * @param name - * A friendly layer name. It is an error for the name to be of - * length 0 or greater than 4. - * @param handler - * The handler function to register or NULL to unregister. - * @return - * True on success or False on error. - */ -bool tpm2_error_set_handler(UINT8 layer, const char *name, - tpm2_error_handler handler); - -/** - * Given a TSS2_RC return code, provides a static error string in the format: - * <layer-name>:<layer-specific-msg>. - * - * The layer-name section will either be the friendly name, or if no layer - * handler is registered, the base10 layer number. - * - * The "layer-specific-msg" is layer specific and will contain details on the - * error that occurred or the error code if it couldn't look it up. - * - * Known layer specific substrings: - * TPM - The tpm layer produces 2 distinct format codes that allign with: - * - Section 6.6 of: https://trustedcomputinggroup.org/wp-content/uploads/TPM-Rev-2.0-Part-2-Structures-01.38.pdf - * - Section 39.4 of: https://trustedcomputinggroup.org/wp-content/uploads/TPM-Rev-2.0-Part-1-Architecture-01.38.pdf - * - * The two formats are format 0 and format 1. - * Format 0 string format: - * - "<error|warn>(<version>): <description> - * - Examples: - * - error(1.2): bad tag - * - warn(2.0): the 1st handle in the handle area references a transient object or session that is not loaded - * - * Format 1 string format: - * - <handle|session|parameter>(<index>):<description> - * - Examples: - * - handle(unk):value is out of range or is not correct for the context - * - tpm:handle(5):value is out of range or is not correct for the context - * - * Note that passing TPM2_RC_SUCCESS results in the layer specific message of "success". - * - * The System, TCTI and Marshaling (MU) layers, all define simple string - * returns analogous to strerror(3). - * - * Unknown layers will have the layer number in decimal and then a layer specific string of - * a hex value representing the error code. For example: 9:0x3 - * - * @param rc - * The error code to decode. - * @return - * A human understandable error description string. - */ -const char *tpm2_error_str(TSS2_RC rc); - -#endif /* LIB_TPM2_ERROR_H_ */ |