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/*
* Copyright (C) 2008 Stefan Walter
* Copyright (C) 2012 Red Hat Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above
* copyright notice, this list of conditions and the
* following disclaimer.
* * 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.
* * The names of contributors to this software may not 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 OWNER 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.
*
* Author: Stef Walter <stefw@gnome.org>
*/
#ifndef _RPC_MESSAGE_H
#define _RPC_MESSAGE_H
#include <stdlib.h>
#include <stdarg.h>
#include <stdint.h>
#include "buffer.h"
#include "pkcs11.h"
/* The calls, must be in sync with array below */
enum {
P11_RPC_CALL_ERROR = 0,
P11_RPC_CALL_C_Initialize,
P11_RPC_CALL_C_Finalize,
P11_RPC_CALL_C_GetInfo,
P11_RPC_CALL_C_GetSlotList,
P11_RPC_CALL_C_GetSlotInfo,
P11_RPC_CALL_C_GetTokenInfo,
P11_RPC_CALL_C_GetMechanismList,
P11_RPC_CALL_C_GetMechanismInfo,
P11_RPC_CALL_C_InitToken,
P11_RPC_CALL_C_OpenSession,
P11_RPC_CALL_C_CloseSession,
P11_RPC_CALL_C_CloseAllSessions,
P11_RPC_CALL_C_GetSessionInfo,
P11_RPC_CALL_C_InitPIN,
P11_RPC_CALL_C_SetPIN,
P11_RPC_CALL_C_GetOperationState,
P11_RPC_CALL_C_SetOperationState,
P11_RPC_CALL_C_Login,
P11_RPC_CALL_C_Logout,
P11_RPC_CALL_C_CreateObject,
P11_RPC_CALL_C_CopyObject,
P11_RPC_CALL_C_DestroyObject,
P11_RPC_CALL_C_GetObjectSize,
P11_RPC_CALL_C_GetAttributeValue,
P11_RPC_CALL_C_SetAttributeValue,
P11_RPC_CALL_C_FindObjectsInit,
P11_RPC_CALL_C_FindObjects,
P11_RPC_CALL_C_FindObjectsFinal,
P11_RPC_CALL_C_EncryptInit,
P11_RPC_CALL_C_Encrypt,
P11_RPC_CALL_C_EncryptUpdate,
P11_RPC_CALL_C_EncryptFinal,
P11_RPC_CALL_C_DecryptInit,
P11_RPC_CALL_C_Decrypt,
P11_RPC_CALL_C_DecryptUpdate,
P11_RPC_CALL_C_DecryptFinal,
P11_RPC_CALL_C_DigestInit,
P11_RPC_CALL_C_Digest,
P11_RPC_CALL_C_DigestUpdate,
P11_RPC_CALL_C_DigestKey,
P11_RPC_CALL_C_DigestFinal,
P11_RPC_CALL_C_SignInit,
P11_RPC_CALL_C_Sign,
P11_RPC_CALL_C_SignUpdate,
P11_RPC_CALL_C_SignFinal,
P11_RPC_CALL_C_SignRecoverInit,
P11_RPC_CALL_C_SignRecover,
P11_RPC_CALL_C_VerifyInit,
P11_RPC_CALL_C_Verify,
P11_RPC_CALL_C_VerifyUpdate,
P11_RPC_CALL_C_VerifyFinal,
P11_RPC_CALL_C_VerifyRecoverInit,
P11_RPC_CALL_C_VerifyRecover,
P11_RPC_CALL_C_DigestEncryptUpdate,
P11_RPC_CALL_C_DecryptDigestUpdate,
P11_RPC_CALL_C_SignEncryptUpdate,
P11_RPC_CALL_C_DecryptVerifyUpdate,
P11_RPC_CALL_C_GenerateKey,
P11_RPC_CALL_C_GenerateKeyPair,
P11_RPC_CALL_C_WrapKey,
P11_RPC_CALL_C_UnwrapKey,
P11_RPC_CALL_C_DeriveKey,
P11_RPC_CALL_C_SeedRandom,
P11_RPC_CALL_C_GenerateRandom,
P11_RPC_CALL_C_WaitForSlotEvent,
P11_RPC_CALL_MAX
};
typedef struct {
int call_id;
const char* name;
const char* request;
const char* response;
} p11_rpc_call;
/*
* a_ = prefix denotes array of _
* A = CK_ATTRIBUTE
* f_ = prefix denotes buffer for _
* M = CK_MECHANISM
* u = CK_ULONG
* s = space padded string
* v = CK_VERSION
* y = CK_BYTE
* z = null terminated string
*/
static const p11_rpc_call p11_rpc_calls[] = {
{ P11_RPC_CALL_ERROR, "ERROR", NULL, "u" },
{ P11_RPC_CALL_C_Initialize, "C_Initialize", "ay", "" },
{ P11_RPC_CALL_C_Finalize, "C_Finalize", "", "" },
{ P11_RPC_CALL_C_GetInfo, "C_GetInfo", "", "vsusv" },
{ P11_RPC_CALL_C_GetSlotList, "C_GetSlotList", "yfu", "au" },
{ P11_RPC_CALL_C_GetSlotInfo, "C_GetSlotInfo", "u", "ssuvv" },
{ P11_RPC_CALL_C_GetTokenInfo, "C_GetTokenInfo", "u", "ssssuuuuuuuuuuuvvs" },
{ P11_RPC_CALL_C_GetMechanismList, "C_GetMechanismList", "ufu", "au" },
{ P11_RPC_CALL_C_GetMechanismInfo, "C_GetMechanismInfo", "uu", "uuu" },
{ P11_RPC_CALL_C_InitToken, "C_InitToken", "uayz", "" },
{ P11_RPC_CALL_C_OpenSession, "C_OpenSession", "uu", "u" },
{ P11_RPC_CALL_C_CloseSession, "C_CloseSession", "u", "" },
{ P11_RPC_CALL_C_CloseAllSessions, "C_CloseAllSessions", "u", "" },
{ P11_RPC_CALL_C_GetSessionInfo, "C_GetSessionInfo", "u", "uuuu" },
{ P11_RPC_CALL_C_InitPIN, "C_InitPIN", "uay", "" },
{ P11_RPC_CALL_C_SetPIN, "C_SetPIN", "uayay", "" },
{ P11_RPC_CALL_C_GetOperationState, "C_GetOperationState", "ufy", "ay" },
{ P11_RPC_CALL_C_SetOperationState, "C_SetOperationState", "uayuu", "" },
{ P11_RPC_CALL_C_Login, "C_Login", "uuay", "" },
{ P11_RPC_CALL_C_Logout, "C_Logout", "u", "" },
{ P11_RPC_CALL_C_CreateObject, "C_CreateObject", "uaA", "u" },
{ P11_RPC_CALL_C_CopyObject, "C_CopyObject", "uuaA", "u" },
{ P11_RPC_CALL_C_DestroyObject, "C_DestroyObject", "uu", "" },
{ P11_RPC_CALL_C_GetObjectSize, "C_GetObjectSize", "uu", "u" },
{ P11_RPC_CALL_C_GetAttributeValue, "C_GetAttributeValue", "uufA", "aAu" },
{ P11_RPC_CALL_C_SetAttributeValue, "C_SetAttributeValue", "uuaA", "" },
{ P11_RPC_CALL_C_FindObjectsInit, "C_FindObjectsInit", "uaA", "" },
{ P11_RPC_CALL_C_FindObjects, "C_FindObjects", "ufu", "au" },
{ P11_RPC_CALL_C_FindObjectsFinal, "C_FindObjectsFinal", "u", "" },
{ P11_RPC_CALL_C_EncryptInit, "C_EncryptInit", "uMu", "" },
{ P11_RPC_CALL_C_Encrypt, "C_Encrypt", "uayfy", "ay" },
{ P11_RPC_CALL_C_EncryptUpdate, "C_EncryptUpdate", "uayfy", "ay" },
{ P11_RPC_CALL_C_EncryptFinal, "C_EncryptFinal", "ufy", "ay" },
{ P11_RPC_CALL_C_DecryptInit, "C_DecryptInit", "uMu", "" },
{ P11_RPC_CALL_C_Decrypt, "C_Decrypt", "uayfy", "ay" },
{ P11_RPC_CALL_C_DecryptUpdate, "C_DecryptUpdate", "uayfy", "ay" },
{ P11_RPC_CALL_C_DecryptFinal, "C_DecryptFinal", "ufy", "ay" },
{ P11_RPC_CALL_C_DigestInit, "C_DigestInit", "uM", "" },
{ P11_RPC_CALL_C_Digest, "C_Digest", "uayfy", "ay" },
{ P11_RPC_CALL_C_DigestUpdate, "C_DigestUpdate", "uay", "" },
{ P11_RPC_CALL_C_DigestKey, "C_DigestKey", "uu", "" },
{ P11_RPC_CALL_C_DigestFinal, "C_DigestFinal", "ufy", "ay" },
{ P11_RPC_CALL_C_SignInit, "C_SignInit", "uMu", "" },
{ P11_RPC_CALL_C_Sign, "C_Sign", "uayfy", "ay" },
{ P11_RPC_CALL_C_SignUpdate, "C_SignUpdate", "uay", "" },
{ P11_RPC_CALL_C_SignFinal, "C_SignFinal", "ufy", "ay" },
{ P11_RPC_CALL_C_SignRecoverInit, "C_SignRecoverInit", "uMu", "" },
{ P11_RPC_CALL_C_SignRecover, "C_SignRecover", "uayfy", "ay" },
{ P11_RPC_CALL_C_VerifyInit, "C_VerifyInit", "uMu", "" },
{ P11_RPC_CALL_C_Verify, "C_Verify", "uayay", "" },
{ P11_RPC_CALL_C_VerifyUpdate, "C_VerifyUpdate", "uay", "" },
{ P11_RPC_CALL_C_VerifyFinal, "C_VerifyFinal", "uay", "" },
{ P11_RPC_CALL_C_VerifyRecoverInit, "C_VerifyRecoverInit", "uMu", "" },
{ P11_RPC_CALL_C_VerifyRecover, "C_VerifyRecover", "uayfy", "ay" },
{ P11_RPC_CALL_C_DigestEncryptUpdate, "C_DigestEncryptUpdate", "uayfy", "ay" },
{ P11_RPC_CALL_C_DecryptDigestUpdate, "C_DecryptDigestUpdate", "uayfy", "ay" },
{ P11_RPC_CALL_C_SignEncryptUpdate, "C_SignEncryptUpdate", "uayfy", "ay" },
{ P11_RPC_CALL_C_DecryptVerifyUpdate, "C_DecryptVerifyUpdate", "uayfy", "ay" },
{ P11_RPC_CALL_C_GenerateKey, "C_GenerateKey", "uMaA", "u" },
{ P11_RPC_CALL_C_GenerateKeyPair, "C_GenerateKeyPair", "uMaAaA", "uu" },
{ P11_RPC_CALL_C_WrapKey, "C_WrapKey", "uMuufy", "ay" },
{ P11_RPC_CALL_C_UnwrapKey, "C_UnwrapKey", "uMuayaA", "u" },
{ P11_RPC_CALL_C_DeriveKey, "C_DeriveKey", "uMuaA", "u" },
{ P11_RPC_CALL_C_SeedRandom, "C_SeedRandom", "uay", "" },
{ P11_RPC_CALL_C_GenerateRandom, "C_GenerateRandom", "ufy", "ay" },
{ P11_RPC_CALL_C_WaitForSlotEvent, "C_WaitForSlotEvent", "u", "u" },
};
#ifdef _DEBUG
#define P11_RPC_CHECK_CALLS() \
{ int i; for (i = 0; i < P11_RPC_CALL_MAX; ++i) assert (p11_rpc_calls[i].call_id == i); }
#endif
#define P11_RPC_HANDSHAKE \
((unsigned char *)"PRIVATE-GNOME-KEYRING-PKCS11-PROTOCOL-V-1")
#define P11_RPC_HANDSHAKE_LEN \
(strlen ((char *)P11_RPC_HANDSHAKE))
typedef enum _p11_rpc_message_type {
P11_RPC_REQUEST = 1,
P11_RPC_RESPONSE
} p11_rpc_message_type;
typedef struct {
int call_id;
p11_rpc_message_type call_type;
const char *signature;
p11_buffer *input;
p11_buffer *output;
size_t parsed;
const char *sigverify;
void *extra;
} p11_rpc_message;
void p11_rpc_message_init (p11_rpc_message *msg,
p11_buffer *input,
p11_buffer *output);
void p11_rpc_message_clear (p11_rpc_message *msg);
#define p11_rpc_message_is_verified(msg) (!(msg)->sigverify || (msg)->sigverify[0] == 0)
void * p11_rpc_message_alloc_extra (p11_rpc_message *msg,
size_t length);
bool p11_rpc_message_prep (p11_rpc_message *msg,
int call_id,
p11_rpc_message_type type);
bool p11_rpc_message_parse (p11_rpc_message *msg,
p11_rpc_message_type type);
bool p11_rpc_message_verify_part (p11_rpc_message *msg,
const char* part);
bool p11_rpc_message_write_byte (p11_rpc_message *msg,
CK_BYTE val);
bool p11_rpc_message_write_ulong (p11_rpc_message *msg,
CK_ULONG val);
bool p11_rpc_message_write_zero_string (p11_rpc_message *msg,
CK_UTF8CHAR *string);
bool p11_rpc_message_write_space_string (p11_rpc_message *msg,
CK_UTF8CHAR *buffer,
CK_ULONG length);
bool p11_rpc_message_write_byte_buffer (p11_rpc_message *msg,
CK_ULONG count);
bool p11_rpc_message_write_byte_array (p11_rpc_message *msg,
CK_BYTE_PTR arr,
CK_ULONG num);
bool p11_rpc_message_write_ulong_buffer (p11_rpc_message *msg,
CK_ULONG count);
bool p11_rpc_message_write_ulong_array (p11_rpc_message *msg,
CK_ULONG_PTR arr,
CK_ULONG num);
bool p11_rpc_message_write_attribute_buffer (p11_rpc_message *msg,
CK_ATTRIBUTE_PTR arr,
CK_ULONG num);
bool p11_rpc_message_write_attribute_array (p11_rpc_message *msg,
CK_ATTRIBUTE_PTR arr,
CK_ULONG num);
bool p11_rpc_message_write_version (p11_rpc_message *msg,
CK_VERSION* version);
bool p11_rpc_message_read_byte (p11_rpc_message *msg,
CK_BYTE* val);
bool p11_rpc_message_read_ulong (p11_rpc_message *msg,
CK_ULONG* val);
bool p11_rpc_message_read_space_string (p11_rpc_message *msg,
CK_UTF8CHAR* buffer,
CK_ULONG length);
bool p11_rpc_message_read_version (p11_rpc_message *msg,
CK_VERSION* version);
p11_buffer * p11_rpc_buffer_new (size_t reserve);
p11_buffer * p11_rpc_buffer_new_full (size_t reserve,
void * (* frealloc) (void *data, size_t size),
void (* ffree) (void *data));
void p11_rpc_buffer_free (p11_buffer *buf);
void p11_rpc_buffer_add_byte (p11_buffer *buf,
unsigned char value);
int p11_rpc_buffer_get_byte (p11_buffer *buf,
size_t *offset,
unsigned char *val);
void p11_rpc_buffer_encode_uint32 (unsigned char *data,
uint32_t value);
uint32_t p11_rpc_buffer_decode_uint32 (unsigned char *data);
void p11_rpc_buffer_add_uint32 (p11_buffer *buffer,
uint32_t value);
bool p11_rpc_buffer_set_uint32 (p11_buffer *buffer,
size_t offset,
uint32_t value);
bool p11_rpc_buffer_get_uint32 (p11_buffer *buf,
size_t *offset,
uint32_t *value);
void p11_rpc_buffer_encode_uint16 (unsigned char *data,
uint16_t value);
uint16_t p11_rpc_buffer_decode_uint16 (unsigned char *data);
void p11_rpc_buffer_add_uint16 (p11_buffer *buffer,
uint16_t val);
bool p11_rpc_buffer_set_uint16 (p11_buffer *buffer,
size_t offset,
uint16_t val);
bool p11_rpc_buffer_get_uint16 (p11_buffer *buf,
size_t *offset,
uint16_t *val);
void p11_rpc_buffer_add_byte_array (p11_buffer *buffer,
const unsigned char *val,
size_t len);
bool p11_rpc_buffer_get_byte_array (p11_buffer *buf,
size_t *offset,
const unsigned char **val,
size_t *vlen);
void p11_rpc_buffer_add_uint64 (p11_buffer *buffer,
uint64_t val);
bool p11_rpc_buffer_get_uint64 (p11_buffer *buf,
size_t *offset,
uint64_t *val);
#endif /* _RPC_MESSAGE_H */
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