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pkcs11_config.c
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/**
* \file
* \brief PKCS11 Library Configuration
*
* \copyright (c) 2015-2020 Microchip Technology Inc. and its subsidiaries.
*
* \page License
*
* Subject to your compliance with these terms, you may use Microchip software
* and any derivatives exclusively with Microchip products. It is your
* responsibility to comply with third party license terms applicable to your
* use of third party software (including open source software) that may
* accompany Microchip software.
*
* THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES, WHETHER
* EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE, INCLUDING ANY IMPLIED
* WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY, AND FITNESS FOR A
* PARTICULAR PURPOSE. IN NO EVENT WILL MICROCHIP BE LIABLE FOR ANY INDIRECT,
* SPECIAL, PUNITIVE, INCIDENTAL OR CONSEQUENTIAL LOSS, DAMAGE, COST OR EXPENSE
* OF ANY KIND WHATSOEVER RELATED TO THE SOFTWARE, HOWEVER CAUSED, EVEN IF
* MICROCHIP HAS BEEN ADVISED OF THE POSSIBILITY OR THE DAMAGES ARE
* FORESEEABLE. TO THE FULLEST EXTENT ALLOWED BY LAW, MICROCHIP'S TOTAL
* LIABILITY ON ALL CLAIMS IN ANY WAY RELATED TO THIS SOFTWARE WILL NOT EXCEED
* THE AMOUNT OF FEES, IF ANY, THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR
* THIS SOFTWARE.
*/
#include "cryptoauthlib.h"
#include "pkcs11_config.h"
#include "pkcs11_debug.h"
#include "pkcs11_slot.h"
#include "pkcs11_object.h"
#include "pkcs11_key.h"
#include "pkcs11_cert.h"
#include "pkcs11_os.h"
#include "pkcs11_util.h"
#if defined(_WIN32) || defined(__MINGW32__) || defined(__MINGW64__)
#include <Windows.h>
#else
#include <dirent.h>
#endif
#if defined(ATCA_TNGTLS_SUPPORT) || defined(ATCA_TNGLORA_SUPPORT) || defined(ATCA_TFLEX_SUPPORT)
CK_RV pkcs11_trust_load_objects(pkcs11_slot_ctx_ptr pSlot);
#endif
/**
* \defgroup pkcs11 Configuration (pkcs11_config_)
@{ */
void pkcs11_config_init_private(pkcs11_object_ptr pObject, char * label, size_t len)
{
if (len >= PKCS11_MAX_LABEL_SIZE)
{
len = PKCS11_MAX_LABEL_SIZE - 1;
}
memcpy(pObject->name, label, len);
pObject->name[len] = '\0';
pObject->class_id = CKO_PRIVATE_KEY;
pObject->class_type = CKK_EC;
pObject->attributes = pkcs11_key_private_attributes;
pObject->count = pkcs11_key_private_attributes_count;
#if ATCA_CA_SUPPORT
pObject->data = NULL;
#endif
pObject->size = 16;
}
void pkcs11_config_init_public(pkcs11_object_ptr pObject, char * label, size_t len)
{
if (len >= PKCS11_MAX_LABEL_SIZE)
{
len = PKCS11_MAX_LABEL_SIZE - 1;
}
memcpy(pObject->name, label, len);
pObject->name[len] = '\0';
pObject->class_id = CKO_PUBLIC_KEY;
pObject->class_type = CKK_EC;
pObject->attributes = pkcs11_key_public_attributes;
pObject->count = pkcs11_key_public_attributes_count;
#if ATCA_CA_SUPPORT
pObject->data = NULL;
#endif
pObject->size = 64;
}
void pkcs11_config_init_secret(pkcs11_object_ptr pObject, char * label, size_t len, uint8_t keylen)
{
if (len >= PKCS11_MAX_LABEL_SIZE)
{
len = PKCS11_MAX_LABEL_SIZE - 1;
}
memcpy(pObject->name, label, len);
pObject->name[len] = '\0';
pObject->class_id = CKO_SECRET_KEY;
pObject->class_type = CKK_GENERIC_SECRET;
pObject->attributes = pkcs11_key_secret_attributes;
pObject->count = pkcs11_key_secret_attributes_count;
#if ATCA_CA_SUPPORT
pObject->data = NULL;
#endif
pObject->size = keylen;
}
void pkcs11_config_init_cert(pkcs11_object_ptr pObject, char * label, size_t len)
{
if (len >= PKCS11_MAX_LABEL_SIZE)
{
len = PKCS11_MAX_LABEL_SIZE - 1;
}
memcpy(pObject->name, label, len);
pObject->name[len] = '\0';
pObject->class_id = CKO_CERTIFICATE;
pObject->class_type = 0;
pObject->attributes = pkcs11_cert_x509public_attributes;
pObject->count = pkcs11_cert_x509public_attributes_count;
#if ATCA_CA_SUPPORT
pObject->data = NULL;
#endif
pObject->size = 0;
}
#if !PKCS11_USE_STATIC_CONFIG
#ifdef ATCA_NO_HEAP
#error Invalid configuration: ATCA_NO_HEAP && PKCS11_USE_STATIC_CONFIG==0 - Loading pkcs11 configuration from disk requires dynamic memory allocation
#endif
#include <stdio.h>
#include <ctype.h>
#include <stdlib.h>
static size_t pkcs11_config_load_file(FILE* fp, char ** buffer)
{
size_t size = 0;
if (buffer)
{
/* Get file size */
fseek(fp, 0L, SEEK_END);
size = ftell(fp);
fseek(fp, 0L, SEEK_SET);
*buffer = (char*)pkcs11_os_malloc(size);
if (*buffer)
{
memset(*buffer, 0, size);
if (size != fread(*buffer, 1, size, fp))
{
pkcs11_os_free(*buffer);
*buffer = NULL;
size = 0;
}
}
else
{
size = 0;
}
}
return size;
}
/* Parse a buffer into key value pairs. Return value should be an even value */
static int pkcs11_config_parse_buffer(char* buffer, size_t len, int argc, char* argv[])
{
char* s;
int args = 0;
bool comment = FALSE;
bool arg = FALSE;
bool v = FALSE;
if (!buffer || !len || !argc || !argv)
{
return 0;
}
for (s = buffer; s < (buffer + len) && args < argc; s++)
{
switch (*s)
{
case '\n':
/* fallthrough */
case '\r':
/* End the line*/
if (arg && !v && !comment)
{
/* Everything must be a key value pair */
return 0;
}
else
{
comment = FALSE;
v = FALSE;
arg = FALSE;
*s = '\0';
}
break;
case '=':
v = TRUE;
/* fallthrough */
case ' ':
/* fallthrough */
case '\t':
*s = '\0';
arg = 0;
break;
default:
if (!comment)
{
if (*s == '#')
{
comment = 1;
}
else if (!arg)
{
argv[args++] = s;
arg = TRUE;
}
}
break;
}
}
if (args & 0x1)
{
/* Parsing error occured */
args = 0;
}
return args;
}
void pkcs11_config_split_string(char* s, char splitter, int * argc, char* argv[])
{
char * e;
int args = 1;
if (!s || !argc || !argv)
{
return;
}
e = s + strlen(s);
argv[0] = s;
for (; s < e && args < *argc; s++)
{
if (*s == splitter)
{
*s = '\0';
argv[args++] = ++s;
}
}
*argc = args;
}
static CK_RV pkcs11_config_parse_device(pkcs11_slot_ctx_ptr slot_ctx, char* cfgstr)
{
int argc = 4;
char * argv[4];
CK_RV rv = CKR_GENERAL_ERROR;
pkcs11_config_split_string(cfgstr, '-', &argc, argv);
if (!strcmp(argv[0], "ATECC508A"))
{
slot_ctx->interface_config.devtype = ATECC508A;
rv = CKR_OK;
}
else if (!strncmp(argv[0], "ATECC608", 8))
{
slot_ctx->interface_config.devtype = ATECC608;
if (1 < argc)
{
#if defined(ATCA_TNGTLS_SUPPORT) || defined(ATCA_TNGLORA_SUPPORT) || defined(ATCA_TFLEX_SUPPORT)
if (!strcmp(argv[1], "TNGTLS") || !strcmp(argv[1], "TFLXTLS") || !strcmp(argv[1], "TNGLORA"))
{
rv = pkcs11_trust_load_objects(slot_ctx);
}
#endif
}
rv = CKR_OK;
}
else if (!strcmp(argv[0], "TA100"))
{
slot_ctx->interface_config.devtype = TA100;
rv = CKR_OK;
}
else
{
PKCS11_DEBUG("Unrecognized device: %s", argv[0]);
}
return rv;
}
static CK_RV pkcs11_config_parse_interface(pkcs11_slot_ctx_ptr slot_ctx, char* cfgstr)
{
int argc = 4;
char * argv[4];
CK_RV rv = CKR_GENERAL_ERROR;
ATCAIfaceCfg * cfg = &slot_ctx->interface_config;
pkcs11_config_split_string(cfgstr, ',', &argc, argv);
/* Device part number was a late addition so this defaults it to a 608 */
slot_ctx->interface_config.devtype = ATECC608;
slot_ctx->interface_config.wake_delay = 1500;
slot_ctx->interface_config.rx_retries = 20;
if (!strcmp(argv[0], "i2c"))
{
#ifdef ATCA_HAL_I2C
cfg->iface_type = ATCA_I2C_IFACE;
if (argc > 1)
{
#ifdef ATCA_ENABLE_DEPRECATED
ATCA_IFACECFG_VALUE(cfg, atcai2c.slave_address) = (uint8_t)strtol(argv[1], NULL, 16);
#else
ATCA_IFACECFG_VALUE(cfg, atcai2c.address) = (uint8_t)strtol(argv[1], NULL, 16);
#endif
}
if (argc > 2)
{
ATCA_IFACECFG_VALUE(cfg, atcai2c.bus) = (uint8_t)strtol(argv[2], NULL, 16);
}
if (argc > 3)
{
ATCA_IFACECFG_VALUE(cfg, atcai2c.baud) = (uint32_t)strtol(argv[3], NULL, 10);
}
rv = CKR_OK;
#endif
}
else if (!strcmp(argv[0], "hid"))
{
#ifdef ATCA_HAL_KIT_HID
cfg->iface_type = ATCA_HID_IFACE;
ATCA_IFACECFG_VALUE(cfg, atcahid.dev_interface) = ATCA_KIT_AUTO_IFACE;
ATCA_IFACECFG_VALUE(cfg, atcahid.vid) = 0x03EB;
ATCA_IFACECFG_VALUE(cfg, atcahid.pid) = 0x2312;
ATCA_IFACECFG_VALUE(cfg, atcahid.packetsize) = 64;
if (argc > 1)
{
if (!strcmp(argv[1], "i2c"))
{
ATCA_IFACECFG_VALUE(cfg, atcahid.dev_interface) = ATCA_KIT_I2C_IFACE;
}
else if (!strcmp(argv[1], "swi"))
{
ATCA_IFACECFG_VALUE(cfg, atcahid.dev_interface) = ATCA_KIT_SWI_IFACE;
}
else if (!strcmp(argv[1], "spi"))
{
ATCA_IFACECFG_VALUE(cfg, atcahid.dev_interface) = ATCA_KIT_SPI_IFACE;
}
}
if (argc > 2)
{
ATCA_IFACECFG_VALUE(cfg, atcahid.dev_identity) = (uint8_t)strtol(argv[2], NULL, 16);
}
rv = CKR_OK;
#endif
}
else if (!strcmp(argv[0], "spi"))
{
#ifdef ATCA_HAL_SPI
cfg->iface_type = ATCA_SPI_IFACE;
if (argc > 1)
{
ATCA_IFACECFG_VALUE(cfg, atcaspi.bus) = (uint8_t)strtol(argv[1], NULL, 16);
}
if (argc > 2)
{
ATCA_IFACECFG_VALUE(cfg, atcaspi.select_pin) = (uint8_t)strtol(argv[2], NULL, 16);
}
if (argc > 3)
{
ATCA_IFACECFG_VALUE(cfg, atcaspi.baud) = (uint32_t)strtol(argv[3], NULL, 10);
}
rv = CKR_OK;
#endif
}
#if defined(ATCA_HAL_KIT_BRIDGE) && defined(PKCS11_TESTING_ENABLE)
else if (!strcmp(argv[0], "bridge"))
{
cfg->iface_type = ATCA_KIT_IFACE;
ATCA_IFACECFG_VALUE(cfg, atcakit.dev_interface) = ATCA_KIT_AUTO_IFACE;
ATCA_IFACECFG_VALUE(cfg, atcakit.dev_identity) = 0;
if(argc > 1)
{
strncpy((char*)slot_ctx->devpath, argv[1], sizeof(slot_ctx->devpath)-1);
}
if(argc > 2)
{
ATCA_IFACECFG_VALUE(cfg, atcakit.dev_identity) = (uint8_t)strtol(argv[2], NULL, 10);
}
}
#endif
else
{
PKCS11_DEBUG("Unrecognized interface: %s", argv[0]);
}
return rv;
}
#ifndef PKCS11_LABEL_IS_SERNUM
static CK_RV pkcs11_config_parse_label(pkcs11_slot_ctx_ptr slot_ctx, char* cfgstr)
{
CK_RV rv = CKR_OK;
size_t len = strlen(cfgstr);
if (len && (len < PKCS11_MAX_LABEL_SIZE))
{
memcpy(slot_ctx->label, cfgstr, len);
slot_ctx->label[PKCS11_MAX_LABEL_SIZE] = 0;
}
else
{
rv = CKR_ARGUMENTS_BAD;
}
return rv;
}
#endif
static CK_RV pkcs11_config_parse_freeslots(pkcs11_slot_ctx_ptr slot_ctx, char* cfgstr)
{
int argc = 16;
char * argv[16];
int i;
pkcs11_config_split_string(cfgstr, ',', &argc, argv);
for (i = 0; i < argc; i++)
{
uint32_t slot = strtol(argv[i], NULL, 10);
if (slot < 16)
{
slot_ctx->flags |= (1 << slot);
}
}
return CKR_OK;
}
static CK_RV pkcs11_config_parse_object(pkcs11_slot_ctx_ptr slot_ctx, char* cfgstr)
{
char * argv[5];
int argc = (int)sizeof(argv);
CK_RV rv = CKR_GENERAL_ERROR;
pkcs11_object_ptr pObject;
#if !ATCA_CA_SUPPORT
((void)slot_ctx);
#endif
pkcs11_config_split_string(cfgstr, ',', &argc, argv);
if (!strcmp(argv[0], "private") && argc == 3)
{
pkcs11_object_ptr pPubkey = NULL;
uint16_t slot = (uint16_t)strtol(argv[2], NULL, 16);
rv = pkcs11_object_alloc(slot_ctx->slot_id, &pObject);
if (!rv && pObject)
{
pkcs11_config_init_private(pObject, argv[1], strlen(argv[1]));
pObject->slot = slot;
pObject->flags = 0;
#if ATCA_CA_SUPPORT
pObject->config = &slot_ctx->cfg_zone;
#endif
}
/* Every private key object needs a cooresponding public key object */
if (!rv)
{
rv = pkcs11_object_alloc(slot_ctx->slot_id, &pPubkey);
}
if (!rv)
{
pkcs11_config_init_public(pPubkey, argv[1], strlen(argv[1]));
pPubkey->slot = slot;
pPubkey->flags = 0;
#if ATCA_CA_SUPPORT
pPubkey->config = &slot_ctx->cfg_zone;
#endif
}
else
{
pkcs11_object_free(pObject);
}
}
else if (!strcmp(argv[0], "public") && argc == 3)
{
rv = pkcs11_object_alloc(slot_ctx->slot_id, &pObject);
if (!rv && pObject)
{
pkcs11_config_init_public(pObject, argv[1], strlen(argv[1]));
pObject->slot = (uint16_t)strtol(argv[2], NULL, 16);
pObject->flags = 0;
#if ATCA_CA_SUPPORT
pObject->config = &slot_ctx->cfg_zone;
#endif
}
}
else if (!strcmp(argv[0], "secret") && argc >= 3)
{
rv = pkcs11_object_alloc(slot_ctx->slot_id, &pObject);
if (!rv && pObject)
{
uint8_t keylen = 32;
if (4 == argc)
{
keylen = (uint8_t)strtol(argv[3], NULL, 10);
}
pkcs11_config_init_secret(pObject, argv[1], strlen(argv[1]), keylen);
pObject->slot = (uint16_t)strtol(argv[2], NULL, 16);
pObject->flags = 0;
#if ATCA_CA_SUPPORT
pObject->config = &slot_ctx->cfg_zone;
#endif
}
}
else if (!strcmp(argv[0], "certificate") && argc >= 3)
{
rv = pkcs11_object_alloc(slot_ctx->slot_id, &pObject);
if (!rv && pObject)
{
memmove(pObject->name, argv[1], strlen(argv[1]));
pObject->slot = (uint16_t)strtol(argv[2], NULL, 16);
pObject->class_id = CKO_CERTIFICATE;
pObject->class_type = CK_CERTIFICATE_CATEGORY_TOKEN_USER;
pObject->attributes = pkcs11_cert_x509public_attributes;
pObject->count = pkcs11_cert_x509public_attributes_count;
/* Load certificate data from the file system */
// pObject->size = g_cert_def_2_device.cert_template_size;
// pObject->data = &g_cert_def_2_device;
pObject->flags = 0;
#if ATCA_CA_SUPPORT
pObject->config = &slot_ctx->cfg_zone;
#endif
}
}
else
{
PKCS11_DEBUG("Unrecognized object type: %s", argv[0]);
}
return rv;
}
#if ATCA_TA_SUPPORT
static CK_RV pkcs11_config_parse_handle(uint16_t * handle, char* cfgstr)
{
int argc = 4;
char * argv[4];
CK_RV rv = CKR_GENERAL_ERROR;
pkcs11_config_split_string(cfgstr, ',', &argc, argv);
if (argc == 1)
{
*handle = (uint16_t)strtol(argv[0], NULL, 16);
rv = CKR_OK;
}
return rv;
}
#endif
static CK_RV pkcs11_config_parse_slot_file(pkcs11_slot_ctx_ptr slot_ctx, int argc, char * argv[])
{
CK_RV rv = CKR_GENERAL_ERROR;
int i;
for (i = 0; i < argc; i += 2)
{
if (!strcmp(argv[i], "device"))
{
rv = pkcs11_config_parse_device(slot_ctx, argv[i + 1]);
}
else if (!strcmp(argv[i], "interface"))
{
rv = pkcs11_config_parse_interface(slot_ctx, argv[i + 1]);
}
#ifndef PKCS11_LABEL_IS_SERNUM
else if (!strcmp(argv[i], "label"))
{
rv = pkcs11_config_parse_label(slot_ctx, argv[i + 1]);
}
#endif
else if (!strcmp(argv[i], "freeslots"))
{
rv = pkcs11_config_parse_freeslots(slot_ctx, argv[i + 1]);
}
#if ATCA_TA_SUPPORT
else if (!strcmp(argv[i], "user_pin_handle"))
{
rv = pkcs11_config_parse_handle(&slot_ctx->user_pin_handle, argv[i + 1]);
}
else if (!strcmp(argv[i], "so_pin_handle"))
{
rv = pkcs11_config_parse_handle(&slot_ctx->so_pin_handle, argv[i + 1]);
}
#endif
else if (!strcmp(argv[i], "object"))
{
rv = pkcs11_config_parse_object(slot_ctx, argv[i + 1]);
}
}
return rv;
}
static CK_RV pkcs11_config_parse_object_file(pkcs11_slot_ctx_ptr slot_ctx, CK_BYTE slot, int argc, char * argv[])
{
CK_RV rv;
int i;
pkcs11_object_ptr pObject = NULL;
bool privkey = FALSE;
#if !ATCA_CA_SUPPORT
((void)slot_ctx);
#endif
rv = pkcs11_object_alloc(slot_ctx->slot_id, &pObject);
if (!rv && pObject)
{
pObject->slot = slot;
pObject->flags = PKCS11_OBJECT_FLAG_DESTROYABLE;
#if ATCA_CA_SUPPORT
pObject->config = &slot_ctx->cfg_zone;
#endif
memset(pObject->name, 0, sizeof(pObject->name));
for (i = 0; i < argc; i += 2)
{
if (!strcmp(argv[i], "type"))
{
if (!strcmp(argv[i + 1], "private"))
{
privkey = TRUE;
pkcs11_config_init_private(pObject, "", 0);
}
else if (!strcmp(argv[i + 1], "public"))
{
pkcs11_config_init_public(pObject, "", 0);
}
else if (!strcmp(argv[i + 1], "secret"))
{
pkcs11_config_init_secret(pObject, "", 0, 32);
}
//if (!strcmp(argv[i + 1], "certificate"))
//{
//}
}
else if (!strcmp(argv[i], "label"))
{
strncpy((char*)pObject->name, argv[i + 1], sizeof(pObject->name)-1);
}
}
}
if (!rv && privkey)
{
/* Have to create a public copy of private keys */
pkcs11_object_ptr pPubkey = NULL;
rv = pkcs11_object_alloc(slot_ctx->slot_id, &pPubkey);
if (!rv && pPubkey)
{
pPubkey->slot = slot;
pPubkey->flags = pObject->flags;
#if ATCA_CA_SUPPORT
pPubkey->config = &slot_ctx->cfg_zone;
#endif
pkcs11_config_init_public(pPubkey, (char*)pObject->name, strlen((char*)pObject->name));
}
else
{
pkcs11_object_free(pObject);
}
}
return rv;
}
CK_RV pkcs11_config_cert(pkcs11_lib_ctx_ptr pLibCtx, pkcs11_slot_ctx_ptr pSlot, pkcs11_object_ptr pObject, CK_ATTRIBUTE_PTR pLabel)
{
((void)pLibCtx);
((void)pSlot);
((void)pObject);
((void)pLabel);
return CKR_OK;
}
CK_RV pkcs11_config_key(pkcs11_lib_ctx_ptr pLibCtx, pkcs11_slot_ctx_ptr pSlot, pkcs11_object_ptr pObject, CK_ATTRIBUTE_PTR pLabel)
{
FILE* fp;
char *objtype = "";
char filename[200];
CK_RV rv = CKR_FUNCTION_FAILED;
uint16_t handle = UINT16_MAX;
if(atcab_is_ca_device(pSlot->interface_config.devtype))
{
#if ATCA_CA_SUPPORT
int i = 0;
/* Find a free slot that matches the object type */
for (i = 0; i < 16; i++)
{
if (pSlot->flags & (1 << i))
{
uint8_t keytype = (ATCA_KEY_CONFIG_KEY_TYPE_MASK & pSlot->cfg_zone.KeyConfig[i]) >> ATCA_KEY_CONFIG_KEY_TYPE_SHIFT;
bool privkey = (ATCA_KEY_CONFIG_PRIVATE_MASK & pSlot->cfg_zone.KeyConfig[i]) ? TRUE : FALSE;
if (CKO_PRIVATE_KEY == pObject->class_id)
{
if ((4 == keytype) && privkey)
{
handle = i;
break;
}
}
else if (CKO_PUBLIC_KEY == pObject->class_id)
{
if ((4 == keytype) && !privkey)
{
handle = i;
break;
}
}
else if (CKO_SECRET_KEY == pObject->class_id)
{
if ((6 == keytype) || (7 == keytype))
{
handle = i;
break;
}
}
}
}
#endif
}
else
{
#if ATCA_TA_SUPPORT
ATCA_STATUS status = talib_create_element(atcab_get_device(), &pObject->handle_info, &handle);
rv = pkcs11_util_convert_rv(status);
#endif
}
if (UINT16_MAX != handle)
{
pObject->slot = handle;
pObject->flags = PKCS11_OBJECT_FLAG_DESTROYABLE;
#if ATCA_CA_SUPPORT
if(atcab_is_ca_device(pSlot->interface_config.devtype))
{
pObject->config = &pSlot->cfg_zone;
}
#endif
if (CKO_PRIVATE_KEY == pObject->class_id)
{
pkcs11_config_init_private(pObject, pLabel->pValue, pLabel->ulValueLen);
objtype = "private";
}
else if (CKO_PUBLIC_KEY == pObject->class_id)
{
pkcs11_config_init_public(pObject, pLabel->pValue, pLabel->ulValueLen);
objtype = "public";
}
else if (CKO_SECRET_KEY == pObject->class_id)
{
pkcs11_config_init_secret(pObject, pLabel->pValue, pLabel->ulValueLen, 32);
objtype = "secret";
}
int ret = snprintf(filename, sizeof(filename), "%s%lu.%u.conf", pLibCtx->config_path,
pSlot->slot_id, pObject->slot);
if (ret > 0 && ret < (int)sizeof(filename))
{
fp = fopen(filename, "wb");
if (fp)
{
fprintf(fp, "type = %s\n", objtype);
fprintf(fp, "label = %s\n", pObject->name);
fclose(fp);
rv = CKR_OK;
}
}
}
return rv;
}
CK_RV pkcs11_config_remove_object(pkcs11_lib_ctx_ptr pLibCtx, pkcs11_slot_ctx_ptr pSlot, pkcs11_object_ptr pObject)
{
char filename[200];
int ret = snprintf(filename, sizeof(filename), "%s%lu.%u.conf", pLibCtx->config_path,
pSlot->slot_id, pObject->slot);
if (ret > 0 && ret < (int)sizeof(filename))
{
remove(filename);
pSlot->flags |= (1 << pObject->slot);
}
return CKR_OK;
}
/* Load configuration from the filesystem */
#if defined(_WIN32) || defined(__MINGW32__) || defined(__MINGW64__)
CK_RV pkcs11_config_load_objects(pkcs11_slot_ctx_ptr slot_ctx)
{
HANDLE d = NULL;
WIN32_FIND_DATA d_data;
BOOL next_d = 1;
FILE* fp;
char* buffer;
size_t buflen = 0;
char* argv[2 * (PKCS11_MAX_OBJECTS_ALLOWED + PKCS11_MAX_CONFIG_ALLOWED)];
int argc = 0;
pkcs11_lib_ctx_ptr pLibCtx = pkcs11_get_context();
CK_RV rv = CKR_OK;
/* Open the general library configuration */
fp = fopen(ATCA_LIBRARY_CONF, "rb");
if (fp)
{
buflen = pkcs11_config_load_file(fp, &buffer);
fclose(fp);
fp = NULL;
if (0 < buflen)
{
if (0 < (argc = pkcs11_config_parse_buffer(buffer, buflen, sizeof(argv) / sizeof(argv[0]), argv)))
{
if (strcmp("filestore", argv[0]) == 0)
{
buflen = strlen(argv[1]);
memcpy(pLibCtx->config_path, argv[1], buflen);
if (pLibCtx->config_path[buflen - 1] != '/')
{
pLibCtx->config_path[buflen++] = '/';
}
pLibCtx->config_path[buflen] = '\0';
}
}
else
{
PKCS11_DEBUG("Failed to parse the configuration file: %s\n", ATCA_LIBRARY_CONF);
}
pkcs11_os_free(buffer);
}
}
PKCS11_DEBUG("Config path --> %s\n", pLibCtx->config_path);
char* query = pkcs11_os_malloc(buflen+1);
snprintf(query, buflen+1, "%s", pLibCtx->config_path);
query[buflen] = '*';
query[buflen+1] = '\0';
if (INVALID_HANDLE_VALUE != (d = FindFirstFileA(query, &d_data)))
{
while((CKR_OK == rv) && (0 != next_d))
{
if(FILE_ATTRIBUTE_NORMAL == d_data.dwFileAttributes ||
FILE_ATTRIBUTE_ARCHIVE == d_data.dwFileAttributes)
{
argc = sizeof(argv)/sizeof(argv[0]);
size_t fnlen = strlen((char*)pLibCtx->config_path) + strlen(d_data.cFileName) + 1;
char* filename = pkcs11_os_malloc(fnlen);
if (!filename)
{
rv = CKR_HOST_MEMORY;
PKCS11_DEBUG("Failed to allocated a filename buffer\n");
break;
}
snprintf(filename, fnlen, "%s%s", pLibCtx->config_path, d_data.cFileName);
pkcs11_config_split_string(d_data.cFileName, '.', &argc, argv);
if (!strcmp(argv[argc-1], "conf"))
{
CK_SLOT_ID slot_id = (CK_SLOT_ID)strtol(argv[0], NULL, 10 );
PKCS11_DEBUG("Opening Configuration: %s\n", filename);
fp = fopen(filename, "rb");
pkcs11_os_free(filename);
if (fp)
{
buflen = pkcs11_config_load_file(fp, &buffer);
if (0 < buflen)
{
if (2 == argc)
{
if (!slot_ctx->label[0])
{
slot_ctx->slot_id = slot_id;
}
else if (slot_ctx->slot_id == slot_id)
{
PKCS11_DEBUG("Tried to reload the same configuration file for the same slot\n");
rv = CKR_GENERAL_ERROR;
}
else
{
/* Move to the next context */
slot_ctx = pkcs11_slot_get_new_context(pLibCtx);
if(slot_ctx)
{
slot_ctx->slot_id = slot_id;
}
else
{
rv = CKR_GENERAL_ERROR;
}
}
if (CKR_OK == rv)
{
if (0 < (argc = pkcs11_config_parse_buffer(buffer, buflen, sizeof(argv) / sizeof(argv[0]), argv)))
{
rv = pkcs11_config_parse_slot_file(slot_ctx, argc, argv);
}
else
{
rv = CKR_GENERAL_ERROR;
PKCS11_DEBUG("Failed to parse the slot configuration file\n");
}
}
#ifndef PKCS11_LABEL_IS_SERNUM
if (CKR_OK == rv)
{
/* If a label wasn't set - configure a default */
if (!slot_ctx->label[0])
{
snprintf((char*)slot_ctx->label, sizeof(slot_ctx->label) - 1, "%02XABC", (uint8_t)slot_ctx->slot_id);
}
}
#endif
}
else if (3 == argc)
{
uint16_t handle = (uint16_t)strtol(argv[1], NULL, 10);
if (!slot_ctx->label[0] || (slot_ctx->slot_id != slot_id))
{
rv = CKR_GENERAL_ERROR;
PKCS11_DEBUG("Trying to load an object configuration without a slot configuration file\n");
}
if (CKR_OK == rv)
{
if (0 < (argc = pkcs11_config_parse_buffer(buffer, buflen, sizeof(argv) / sizeof(argv[0]), argv)))
{
rv = pkcs11_config_parse_object_file(slot_ctx, handle, argc, argv);
}
else
{
rv = CKR_GENERAL_ERROR;
PKCS11_DEBUG("Failed to parse the slot configuration file\n");
}
}
if (CKR_OK == rv)
{
#if ATCA_CA_SUPPORT
if(atcab_is_ca_device(slot_ctx->interface_config.devtype))
{
/* Remove the slot from the free list*/
slot_ctx->flags &= ~(1 << handle);
}
#endif
}
}
pkcs11_os_free(buffer);
}
fclose(fp);
}
else
{