/*
* COPYRIGHT (c) International Business Machines Corp. 2001-2017
*
* This program is provided under the terms of the Common Public License,
* version 1.0 (CPL-1.0). Any use, reproduction or distribution for this
* software constitutes recipient's acceptance of CPL-1.0 terms which can be
* found in the file LICENSE file or at
* https://opensource.org/licenses/cpl1.0.php
*/
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <pthread.h>
#include <sys/stat.h>
#include <sys/ipc.h>
#include <sys/shm.h>
#include <errno.h>
#include <pwd.h>
#include <grp.h>
#include <pthread.h>
#include <openssl/evp.h>
#include "pkcs11types.h"
#include "defs.h"
#include "host_defs.h"
#include "h_extern.h"
#include "tok_spec_struct.h"
#include "pkcs32.h"
#include "shared_memory.h"
#include "trace.h"
#include "ock_syslog.h"
#include "slotmgr.h" // for ock_snprintf
#include <sys/file.h>
#include <syslog.h>
// Function: dlist_add_as_first()
//
// Adds the specified node to the start of the list
//
// Returns: pointer to the start of the list
//
DL_NODE *dlist_add_as_first(DL_NODE *list, void *data)
{
DL_NODE *node = NULL;
if (!data)
return list;
node = (DL_NODE *) malloc(sizeof(DL_NODE));
if (!node)
return NULL;
node->data = data;
node->prev = NULL;
node->next = list;
if (list)
list->prev = node;
return node;
}
// Function: dlist_add_as_last()
//
// Adds the specified node to the end of the list
//
// Returns: pointer to the start of the list
//
DL_NODE *dlist_add_as_last(DL_NODE *list, void *data)
{
DL_NODE *node = NULL;
if (!data)
return list;
node = (DL_NODE *) malloc(sizeof(DL_NODE));
if (!node)
return NULL;
node->data = data;
node->next = NULL;
if (!list) {
node->prev = NULL;
return node;
} else {
DL_NODE *temp = dlist_get_last(list);
temp->next = node;
node->prev = temp;
return list;
}
}
// Function: dlist_find()
//
DL_NODE *dlist_find(DL_NODE *list, void *data)
{
DL_NODE *node = list;
while (node && node->data != data)
node = node->next;
return node;
}
// Function: dlist_get_first()
//
// Returns the last node in the list or NULL if list is empty
//
DL_NODE *dlist_get_first(DL_NODE *list)
{
DL_NODE *temp = list;
if (!list)
return NULL;
while (temp->prev != NULL)
temp = temp->prev;
return temp;
}
// Function: dlist_get_last()
//
// Returns the last node in the list or NULL if list is empty
//
DL_NODE *dlist_get_last(DL_NODE *list)
{
DL_NODE *temp = list;
if (!list)
return NULL;
while (temp->next != NULL)
temp = temp->next;
return temp;
}
//
//
CK_ULONG dlist_length(DL_NODE *list)
{
DL_NODE *temp = list;
CK_ULONG len = 0;
while (temp) {
len++;
temp = temp->next;
}
return len;
}
//
//
DL_NODE *dlist_next(DL_NODE *node)
{
if (!node)
return NULL;
return node->next;
}
//
//
DL_NODE *dlist_prev(DL_NODE *node)
{
if (!node)
return NULL;
return node->prev;
}
//
//
void dlist_purge(DL_NODE *list)
{
DL_NODE *node;
if (!list)
return;
do {
node = list->next;
free(list);
list = node;
} while (list);
}
// Function: dlist_remove_node()
//
// Attempts to remove the specified node from the list. The caller is
// responsible for freeing the data associated with the node prior to
// calling this routine
//
DL_NODE *dlist_remove_node(DL_NODE *list, DL_NODE *node)
{
DL_NODE *temp = list;
if (!list || !node)
return NULL;
// special case: removing head of the list
//
if (list == node) {
temp = list->next;
if (temp)
temp->prev = NULL;
free(list);
return temp;
}
// we have no guarantee that the node is in the list
// so search through the list to find it
//
while ((temp != NULL) && (temp->next != node))
temp = temp->next;
if (temp != NULL) {
DL_NODE *next = node->next;
temp->next = next;
if (next)
next->prev = temp;
free(node);
}
return list;
}
CK_RV CreateXProcLock(char *tokname, STDLL_TokData_t *tokdata)
{
char lockfile[PATH_MAX];
char lockdir[PATH_MAX];
struct group *grp;
struct stat statbuf;
mode_t mode = (S_IRUSR | S_IRGRP);
int ret = -1;
char *toklockname;
if (tokdata->spinxplfd == -1) {
if (token_specific.t_creatlock != NULL) {
tokdata->spinxplfd = token_specific.t_creatlock();
if (tokdata->spinxplfd != -1)
return CKR_OK;
else
return CKR_FUNCTION_FAILED;
}
toklockname = (strlen(tokname) > 0) ? tokname : SUB_DIR;
/** create lock subdir for each token if it doesn't exist.
* The root directory should be created in slotmgr daemon **/
if (ock_snprintf(lockdir, PATH_MAX, "%s/%s",
LOCKDIR_PATH, toklockname) != 0) {
OCK_SYSLOG(LOG_ERR, "lock directory path too long\n");
TRACE_ERROR("lock directory path too long\n");
goto err;
}
ret = stat(lockdir, &statbuf);
if (ret != 0 && errno == ENOENT) {
/* dir does not exist, try to create it */
ret = mkdir(lockdir, S_IRWXU | S_IRWXG);
if (ret != 0) {
OCK_SYSLOG(LOG_ERR,
"Directory(%s) missing: %s\n",
lockdir, strerror(errno));
goto err;
}
grp = getgrnam("pkcs11");
if (grp == NULL) {
fprintf(stderr, "getgrname(pkcs11): %s", strerror(errno));
goto err;
}
/* set ownership to euid, and pkcs11 group */
if (chown(lockdir, geteuid(), grp->gr_gid) != 0) {
fprintf(stderr, "Failed to set owner:group \
ownership on %s directory", lockdir);
goto err;
}
/* mkdir does not set group permission right, so
** trying explictly here again */
if (chmod(lockdir, S_IRWXU | S_IRWXG) != 0) {
fprintf(stderr, "Failed to change \
permissions on %s directory", lockdir);
goto err;
}
}
/* create user lock file */
if (ock_snprintf(lockfile, sizeof(lockfile), "%s/%s/LCK..%s",
LOCKDIR_PATH, toklockname, toklockname) != 0) {
OCK_SYSLOG(LOG_ERR, "lock file path too long\n");
TRACE_ERROR("lock file path too long\n");
goto err;
}
if (stat(lockfile, &statbuf) == 0) {
tokdata->spinxplfd = open(lockfile, O_RDONLY, mode);
} else {
tokdata->spinxplfd = open(lockfile, O_CREAT | O_RDONLY, mode);
if (tokdata->spinxplfd != -1) {
/* umask may prevent correct mode,so set it. */
if (fchmod(tokdata->spinxplfd, mode) == -1) {
OCK_SYSLOG(LOG_ERR, "fchmod(%s): %s\n",
lockfile, strerror(errno));
goto err;
}
grp = getgrnam("pkcs11");
if (grp != NULL) {
if (fchown(tokdata->spinxplfd, -1, grp->gr_gid) == -1) {
OCK_SYSLOG(LOG_ERR,
"fchown(%s): %s\n",
lockfile, strerror(errno));
goto err;
}
} else {
OCK_SYSLOG(LOG_ERR, "getgrnam(): %s\n", strerror(errno));
goto err;
}
}
}
if (tokdata->spinxplfd == -1) {
OCK_SYSLOG(LOG_ERR, "open(%s): %s\n", lockfile, strerror(errno));
return CKR_FUNCTION_FAILED;
}
}
return CKR_OK;
err:
if (tokdata->spinxplfd != -1)
close(tokdata->spinxplfd);
return CKR_FUNCTION_FAILED;
}
void CloseXProcLock(STDLL_TokData_t *tokdata)
{
if (tokdata->spinxplfd != -1)
close(tokdata->spinxplfd);
pthread_mutex_destroy(&tokdata->spinxplfd_mutex);
}
CK_RV XThreadLock(STDLL_TokData_t *tokdata)
{
if (pthread_mutex_lock(&tokdata->spinxplfd_mutex)) {
TRACE_ERROR("Lock failed.\n");
return CKR_CANT_LOCK;
}
return CKR_OK;
}
CK_RV XThreadUnLock(STDLL_TokData_t *tokdata)
{
if (pthread_mutex_unlock(&tokdata->spinxplfd_mutex)) {
TRACE_ERROR("Unlock failed.\n");
return CKR_CANT_LOCK;
}
return CKR_OK;
}
CK_RV XProcLock(STDLL_TokData_t *tokdata)
{
if (XThreadLock(tokdata) != CKR_OK)
return CKR_CANT_LOCK;
if (tokdata->spinxplfd < 0) {
TRACE_DEVEL("No file descriptor to lock with.\n");
return CKR_CANT_LOCK;
}
if (tokdata->spinxplfd_count == 0) {
if (flock(tokdata->spinxplfd, LOCK_EX) != 0) {
TRACE_DEVEL("flock has failed.\n");
return CKR_CANT_LOCK;
}
}
tokdata->spinxplfd_count++;
return CKR_OK;
}
CK_RV XProcUnLock(STDLL_TokData_t *tokdata)
{
if (tokdata->spinxplfd < 0) {
TRACE_DEVEL("No file descriptor to unlock with.\n");
return CKR_CANT_LOCK;
}
if (tokdata->spinxplfd_count == 0) {
TRACE_DEVEL("No file lock is held.\n");
return CKR_CANT_LOCK;
}
if (tokdata->spinxplfd_count == 1) {
if (flock(tokdata->spinxplfd, LOCK_UN) != 0) {
TRACE_DEVEL("flock has failed.\n");
return CKR_CANT_LOCK;
}
}
tokdata->spinxplfd_count--;
if (XThreadUnLock(tokdata) != CKR_OK)
return CKR_CANT_LOCK;
return CKR_OK;
}
CK_RV XProcLock_Init(STDLL_TokData_t *tokdata)
{
pthread_mutexattr_t attr;
tokdata->spinxplfd = -1;
tokdata->spinxplfd_count = 0;
if (pthread_mutexattr_init(&attr)) {
TRACE_ERROR("Mutex attribute init failed.\n");
return CKR_CANT_LOCK;
}
if (pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE)) {
TRACE_ERROR("Mutex attribute set failed.\n");
return CKR_CANT_LOCK;
}
if (pthread_mutex_init(&tokdata->spinxplfd_mutex, &attr)) {
TRACE_ERROR("Mutex init failed.\n");
return CKR_CANT_LOCK;
}
return CKR_OK;
}
//
//
extern const char manuf[];
extern const char model[];
extern const char descr[];
extern const char label[];
//
//
void init_slotInfo(CK_SLOT_INFO *slot_info)
{
memset(slot_info->slotDescription, ' ', sizeof(slot_info->slotDescription));
memset(slot_info->manufacturerID, ' ', sizeof(slot_info->manufacturerID));
memcpy(slot_info->slotDescription, descr, strlen(descr));
memcpy(slot_info->manufacturerID, manuf, strlen(manuf));
slot_info->hardwareVersion.major = 1;
slot_info->hardwareVersion.minor = 0;
slot_info->firmwareVersion.major = 1;
slot_info->firmwareVersion.minor = 0;
slot_info->flags = CKF_TOKEN_PRESENT | CKF_HW_SLOT;
}
//
//
void init_tokenInfo(TOKEN_DATA *nv_token_data)
{
CK_TOKEN_INFO_32 *token_info = &nv_token_data->token_info;
memset(token_info->label, ' ', sizeof(token_info->label));
memset(token_info->manufacturerID, ' ', sizeof(token_info->manufacturerID));
memset(token_info->model, ' ', sizeof(token_info->model));
memset(token_info->serialNumber, ' ', sizeof(token_info->serialNumber));
memset(token_info->utcTime, ' ', sizeof(token_info->utcTime));
memcpy(token_info->label, label, strlen(label));
memcpy(token_info->manufacturerID, manuf, strlen(manuf));
memcpy(token_info->model, model, strlen(model));
// Unused
// memcpy(token_info->serialNumber, "123", 3);
// I don't see any API support for changing the clock so
// we will use the system clock for the token's clock.
//
token_info->flags = CKF_RNG | CKF_LOGIN_REQUIRED | CKF_CLOCK_ON_TOKEN |
CKF_SO_PIN_TO_BE_CHANGED;
// XXX New in v2.11 - KEY
if (memcmp(nv_token_data->user_pin_sha, "00000000000000000000",
SHA1_HASH_SIZE) != 0)
token_info->flags |= CKF_USER_PIN_INITIALIZED;
else
token_info->flags |= CKF_USER_PIN_TO_BE_CHANGED;
// XXX New in v2.11 - KEY
// For the release, we made these
// values as CK_UNAVAILABLE_INFORMATION or CK_EFFECTIVELY_INFINITE
//
token_info->ulMaxSessionCount = (CK_ULONG_32) CK_EFFECTIVELY_INFINITE;
token_info->ulSessionCount = (CK_ULONG_32) CK_UNAVAILABLE_INFORMATION;
token_info->ulMaxRwSessionCount = (CK_ULONG_32) CK_EFFECTIVELY_INFINITE;
token_info->ulRwSessionCount = (CK_ULONG_32) CK_UNAVAILABLE_INFORMATION;
token_info->ulMaxPinLen = MAX_PIN_LEN;
token_info->ulMinPinLen = MIN_PIN_LEN;
token_info->ulTotalPublicMemory = (CK_ULONG_32) CK_UNAVAILABLE_INFORMATION;
token_info->ulFreePublicMemory = (CK_ULONG_32) CK_UNAVAILABLE_INFORMATION;
token_info->ulTotalPrivateMemory = (CK_ULONG_32) CK_UNAVAILABLE_INFORMATION;
token_info->ulFreePrivateMemory = (CK_ULONG_32) CK_UNAVAILABLE_INFORMATION;
token_info->hardwareVersion.major = 0;
token_info->hardwareVersion.minor = 0;
token_info->firmwareVersion.major = 0;
token_info->firmwareVersion.minor = 0;
}
//
//
CK_RV init_token_data(STDLL_TokData_t *tokdata, CK_SLOT_ID slot_id)
{
CK_RV rc;
TOKEN_DATA_VERSION *dat = &tokdata->nv_token_data->dat;
memset((char *) tokdata->nv_token_data, 0, sizeof(TOKEN_DATA));
// the normal USER pin is not set when the token is initialized
//
if (tokdata->version < TOK_NEW_DATA_STORE) {
memcpy(tokdata->nv_token_data->user_pin_sha, "00000000000000000000",
SHA1_HASH_SIZE);
memcpy(tokdata->nv_token_data->so_pin_sha, default_so_pin_sha,
SHA1_HASH_SIZE);
memset(tokdata->user_pin_md5, 0x0, MD5_HASH_SIZE);
memcpy(tokdata->so_pin_md5, default_so_pin_md5, MD5_HASH_SIZE);
} else {
int rv;
dat->version = tokdata->version;
/* SO login key */
dat->so_login_it = SO_KDF_LOGIN_IT;
memcpy(dat->so_login_salt, SO_KDF_LOGIN_PURPOSE, 32);
rng_generate(tokdata, dat->so_login_salt + 32, 32);
rv = PKCS5_PBKDF2_HMAC(SO_PIN_DEFAULT, strlen(SO_PIN_DEFAULT),
dat->so_login_salt, 64,
dat->so_login_it, EVP_sha512(),
256 / 8, dat->so_login_key);
if (rv != 1) {
TRACE_DEVEL("PBKDF2 failed.\n");
return CKR_FUNCTION_FAILED;
}
/* SO wrap key */
dat->so_wrap_it = SO_KDF_WRAP_IT;
memcpy(dat->so_wrap_salt, SO_KDF_WRAP_PURPOSE, 32);
rng_generate(tokdata, dat->so_wrap_salt + 32, 32);
rv = PKCS5_PBKDF2_HMAC(SO_PIN_DEFAULT, strlen(SO_PIN_DEFAULT),
dat->so_wrap_salt, 64,
dat->so_wrap_it, EVP_sha512(),
256 / 8, tokdata->so_wrap_key);
if (rv != 1) {
TRACE_DEVEL("PBKDF2 failed.\n");
return CKR_FUNCTION_FAILED;
}
/* User login key */
dat->user_login_it = USER_KDF_LOGIN_IT;
memcpy(dat->user_login_salt, USER_KDF_LOGIN_PURPOSE, 32);
rng_generate(tokdata, dat->user_login_salt + 32, 32);
rv = PKCS5_PBKDF2_HMAC(USER_PIN_DEFAULT, strlen(USER_PIN_DEFAULT),
dat->user_login_salt, 64,
dat->user_login_it, EVP_sha512(),
256 / 8, dat->user_login_key);
if (rv != 1) {
TRACE_DEVEL("PBKDF2 failed.\n");
return CKR_FUNCTION_FAILED;
}
/* User wrap key */
dat->user_wrap_it = USER_KDF_WRAP_IT;
memcpy(dat->user_wrap_salt, USER_KDF_WRAP_PURPOSE, 32);
rng_generate(tokdata, dat->user_wrap_salt + 32, 32);
rv = PKCS5_PBKDF2_HMAC(USER_PIN_DEFAULT, strlen(USER_PIN_DEFAULT),
dat->user_wrap_salt, 64,
dat->user_wrap_it, EVP_sha512(),
256 / 8, tokdata->user_wrap_key);
if (rv != 1) {
TRACE_DEVEL("PBKDF2 failed.\n");
return CKR_FUNCTION_FAILED;
}
}
memcpy(tokdata->nv_token_data->next_token_object_name, "00000000", 8);
// generate the master key used for signing the Operation State information
// `
memset(tokdata->nv_token_data->token_info.label, ' ',
sizeof(tokdata->nv_token_data->token_info.label));
memcpy(tokdata->nv_token_data->token_info.label, label,
strlen(label));
tokdata->nv_token_data->tweak_vector.allow_weak_des = TRUE;
tokdata->nv_token_data->tweak_vector.check_des_parity = FALSE;
tokdata->nv_token_data->tweak_vector.allow_key_mods = TRUE;
tokdata->nv_token_data->tweak_vector.netscape_mods = TRUE;
init_tokenInfo(tokdata->nv_token_data);
if (token_specific.t_init_token_data) {
rc = token_specific.t_init_token_data(tokdata, slot_id);
if (rc != CKR_OK)
return rc;
} else {
//
// FIXME: erase the token object index file (and all token objects)
//
rc = generate_master_key(tokdata, tokdata->master_key);
if (rc != CKR_OK) {
TRACE_DEVEL("generate_master_key failed.\n");
return CKR_FUNCTION_FAILED;
}
rc = save_masterkey_so(tokdata);
if (rc != CKR_OK) {
TRACE_DEVEL("save_masterkey_so failed.\n");
return rc;
}
}
rc = save_token_data(tokdata, slot_id);
return rc;
}
// Function: compute_next_token_obj_name()
//
// Given a token object name (8 bytes in the range [0-9A-Z]) increment by one
// adjusting as necessary
//
// This gives us a namespace of 36^8 = 2,821,109,907,456 objects before wrapping
// around
//
// Note: If the current name contains an invalid character (i.e. not within
// [0-9A-Z]), then this character is set to '0' in the next name and
// the following characters are incremented by 1 adjusting as necessary.
//
CK_RV compute_next_token_obj_name(CK_BYTE *current, CK_BYTE *next)
{
int val[8];
int i;
if (!current || !next) {
TRACE_ERROR("Invalid function arguments.\n");
return CKR_FUNCTION_FAILED;
}
// Convert to integral base 36
//
for (i = 0; i < 8; i++) {
if (current[i] >= '0' && current[i] <= '9')
val[i] = current[i] - '0';
else if (current[i] >= 'A' && current[i] <= 'Z')
val[i] = current[i] - 'A' + 10;
else
val[i] = 36;
}
val[0]++;
i = 0;
while (val[i] > 35) {
val[i] = 0;
if (i + 1 < 8) {
val[i + 1]++;
i++;
} else {
val[0]++;
i = 0; // start pass 2
}
}
// now, convert back to [0-9A-Z]
//
for (i = 0; i < 8; i++) {
if (val[i] < 10)
next[i] = '0' + val[i];
else
next[i] = 'A' + val[i] - 10;
}
return CKR_OK;
}
//
//
CK_RV build_attribute(CK_ATTRIBUTE_TYPE type,
CK_BYTE *data, CK_ULONG data_len, CK_ATTRIBUTE **attrib)
{
CK_ATTRIBUTE *attr = NULL;
attr = (CK_ATTRIBUTE *) malloc(sizeof(CK_ATTRIBUTE) + data_len);
if (!attr) {
TRACE_ERROR("%s\n", ock_err(ERR_HOST_MEMORY));
return CKR_HOST_MEMORY;
}
attr->type = type;
attr->ulValueLen = data_len;
if (data_len > 0) {
attr->pValue = (CK_BYTE *) attr + sizeof(CK_ATTRIBUTE);
memcpy(attr->pValue, data, data_len);
} else {
attr->pValue = NULL;
}
*attrib = attr;
return CKR_OK;
}
/*
* Find an attribute in an attribute array.
*
* Returns CKR_FUNCTION_FAILED when attribute is not found,
* CKR_ATTRIBUTE_TYPE_INVALID when length doesn't match the expected and
* CKR_OK when values is returned in the `value` argument.
*/
CK_RV find_bbool_attribute(CK_ATTRIBUTE *attrs, CK_ULONG attrs_len,
CK_ATTRIBUTE_TYPE type, CK_BBOOL *value)
{
CK_ULONG i;
for (i = 0; i < attrs_len; i++) {
if (attrs[i].type == type) {
/* Check size */
if (attrs[i].ulValueLen != sizeof(*value))
return CKR_ATTRIBUTE_TYPE_INVALID;
/* Get value */
*value = *((CK_BBOOL *) attrs[i].pValue);
}
}
return CKR_FUNCTION_FAILED;
}
//
//
CK_RV add_pkcs_padding(CK_BYTE *ptr,
CK_ULONG block_size, CK_ULONG data_len,
CK_ULONG total_len)
{
CK_ULONG i, pad_len;
CK_BYTE pad_value;
pad_len = block_size - (data_len % block_size);
pad_value = (CK_BYTE) pad_len;
if (data_len + pad_len > total_len) {
TRACE_ERROR("The total length is too small to add padding.\n");
return CKR_FUNCTION_FAILED;
}
for (i = 0; i < pad_len; i++)
ptr[i] = pad_value;
return CKR_OK;
}
//
//
CK_RV strip_pkcs_padding(CK_BYTE *ptr, CK_ULONG total_len, CK_ULONG *data_len)
{
CK_BYTE pad_value;
pad_value = ptr[total_len - 1];
if (pad_value > total_len) {
TRACE_ERROR("%s\n", ock_err(ERR_ENCRYPTED_DATA_INVALID));
return CKR_ENCRYPTED_DATA_INVALID;
}
// thus, we have 'pad_value' bytes of 'pad_value' appended to the end
//
*data_len = total_len - pad_value;
return CKR_OK;
}
//
//
CK_BYTE parity_adjust(CK_BYTE b)
{
if (parity_is_odd(b) == FALSE)
b = (b & 0xFE) | ((~b) & 0x1);
return b;
}
//
//
CK_RV parity_is_odd(CK_BYTE b)
{
b = ((b >> 4) ^ b) & 0x0f;
b = ((b >> 2) ^ b) & 0x03;
b = ((b >> 1) ^ b) & 0x01;
if (b == 1)
return TRUE;
else
return FALSE;
}
CK_RV attach_shm(STDLL_TokData_t *tokdata, CK_SLOT_ID slot_id)
{
CK_RV rc;
int ret;
char buf[PATH_MAX];
LW_SHM_TYPE **shm = &tokdata->global_shm;
if (token_specific.t_attach_shm != NULL)
return token_specific.t_attach_shm(tokdata, slot_id);
rc = XProcLock(tokdata);
if (rc != CKR_OK)
goto err;
/*
* Attach to an existing shared memory region or create it if it doesn't
* exists. When it's created (ret=0) the region is initialized with
* zeros.
*/
if (get_pk_dir(tokdata, buf, PATH_MAX) == NULL) {
TRACE_ERROR("pk_dir buffer overflow");
rc = CKR_FUNCTION_FAILED;
goto err;
}
ret = sm_open(buf, 0666, (void **) shm, sizeof(**shm), 0);
if (ret < 0) {
TRACE_DEVEL("sm_open failed.\n");
rc = CKR_FUNCTION_FAILED;
goto err;
}
return XProcUnLock(tokdata);
err:
XProcUnLock(tokdata);
return rc;
}
CK_RV detach_shm(STDLL_TokData_t *tokdata, CK_BBOOL ignore_ref_count)
{
CK_RV rc;
rc = XProcLock(tokdata);
if (rc != CKR_OK)
goto err;
if (sm_close((void *) tokdata->global_shm, 0, ignore_ref_count)) {
TRACE_DEVEL("sm_close failed.\n");
rc = CKR_FUNCTION_FAILED;
goto err;
}
return XProcUnLock(tokdata);
err:
XProcUnLock(tokdata);
return rc;
}
CK_RV get_sha_size(CK_ULONG mech, CK_ULONG *hsize)
{
switch (mech) {
case CKM_SHA_1:
*hsize = SHA1_HASH_SIZE;
break;
case CKM_SHA224:
case CKM_SHA512_224:
*hsize = SHA224_HASH_SIZE;
break;
case CKM_SHA256:
case CKM_SHA512_256:
*hsize = SHA256_HASH_SIZE;
break;
case CKM_SHA384:
*hsize = SHA384_HASH_SIZE;
break;
case CKM_SHA512:
*hsize = SHA512_HASH_SIZE;
break;
case CKM_IBM_SHA3_224:
*hsize = SHA3_224_HASH_SIZE;
break;
case CKM_IBM_SHA3_256:
*hsize = SHA3_256_HASH_SIZE;
break;
case CKM_IBM_SHA3_384:
*hsize = SHA3_384_HASH_SIZE;
break;
case CKM_IBM_SHA3_512:
*hsize = SHA3_512_HASH_SIZE;
break;
default:
return CKR_MECHANISM_INVALID;
}
return CKR_OK;
}
CK_RV get_sha_block_size(CK_ULONG mech, CK_ULONG *bsize)
{
switch (mech) {
case CKM_SHA_1:
*bsize = SHA1_BLOCK_SIZE;
break;
case CKM_SHA224:
*bsize = SHA224_BLOCK_SIZE;
break;
case CKM_SHA256:
*bsize = SHA256_BLOCK_SIZE;
break;
case CKM_SHA384:
*bsize = SHA384_BLOCK_SIZE;
break;
case CKM_SHA512:
case CKM_SHA512_224:
case CKM_SHA512_256:
*bsize = SHA512_BLOCK_SIZE;
break;
case CKM_IBM_SHA3_224:
*bsize = SHA3_224_BLOCK_SIZE;
break;
case CKM_IBM_SHA3_256:
*bsize = SHA3_256_BLOCK_SIZE;
break;
case CKM_IBM_SHA3_384:
*bsize = SHA3_384_BLOCK_SIZE;
break;
case CKM_IBM_SHA3_512:
*bsize = SHA3_512_BLOCK_SIZE;
break;
default:
return CKR_MECHANISM_INVALID;
}
return CKR_OK;
}
CK_RV get_hmac_digest(CK_ULONG mech, CK_ULONG *digest_mech, CK_BBOOL *general)
{
switch (mech) {
case CKM_MD2_HMAC:
case CKM_MD2_HMAC_GENERAL:
*digest_mech = CKM_MD2;
*general = (mech == CKM_MD2_HMAC_GENERAL);
break;
case CKM_MD5_HMAC:
case CKM_MD5_HMAC_GENERAL:
*digest_mech = CKM_MD5;
*general = (mech == CKM_MD5_HMAC_GENERAL);
break;
case CKM_RIPEMD128_HMAC:
case CKM_RIPEMD128_HMAC_GENERAL:
*digest_mech = CKM_RIPEMD128;
*general = (mech == CKM_RIPEMD128_HMAC_GENERAL);
break;
case CKM_SHA_1_HMAC:
case CKM_SHA_1_HMAC_GENERAL:
*digest_mech = CKM_SHA_1;
*general = (mech == CKM_SHA_1_HMAC_GENERAL);
break;
case CKM_SHA224_HMAC:
case CKM_SHA224_HMAC_GENERAL:
*digest_mech = CKM_SHA224;
*general = (mech == CKM_SHA224_HMAC_GENERAL);
break;
case CKM_SHA256_HMAC:
case CKM_SHA256_HMAC_GENERAL:
*digest_mech = CKM_SHA256;
*general = (mech == CKM_SHA256_HMAC_GENERAL);
break;
case CKM_SHA384_HMAC:
case CKM_SHA384_HMAC_GENERAL:
*digest_mech = CKM_SHA384;
*general = (mech == CKM_SHA384_HMAC_GENERAL);
break;
case CKM_SHA512_HMAC:
case CKM_SHA512_HMAC_GENERAL:
*digest_mech = CKM_SHA512;
*general = (mech == CKM_SHA512_HMAC_GENERAL);
break;
case CKM_SHA512_224_HMAC:
case CKM_SHA512_224_HMAC_GENERAL:
*digest_mech = CKM_SHA512_224;
*general = (mech == CKM_SHA512_224_HMAC_GENERAL);
break;
case CKM_SHA512_256_HMAC:
case CKM_SHA512_256_HMAC_GENERAL:
*digest_mech = CKM_SHA512_256;
*general = (mech == CKM_SHA512_256_HMAC_GENERAL);
break;
case CKM_IBM_SHA3_224_HMAC:
*digest_mech = CKM_IBM_SHA3_224;
*general = FALSE;
break;
case CKM_IBM_SHA3_256_HMAC:
*digest_mech = CKM_IBM_SHA3_256;
*general = FALSE;
break;
case CKM_IBM_SHA3_384_HMAC:
*digest_mech = CKM_IBM_SHA3_384;
*general = FALSE;
break;
case CKM_IBM_SHA3_512_HMAC:
*digest_mech = CKM_IBM_SHA3_512;
*general = FALSE;
break;
default:
return CKR_MECHANISM_INVALID;
}
return CKR_OK;
}
/* Compute specified SHA using either software or token implementation */
CK_RV compute_sha(STDLL_TokData_t *tokdata, CK_BYTE *data, CK_ULONG len,
CK_BYTE *hash, CK_ULONG mech)
{
DIGEST_CONTEXT ctx;
CK_ULONG hash_len;
CK_RV rv;
memset(&ctx, 0x0, sizeof(ctx));
ctx.mech.mechanism = mech;
rv = get_sha_size(mech, &hash_len);
if (rv != CKR_OK)
return rv;
rv = sha_init(tokdata, NULL, &ctx, &ctx.mech);
if (rv != CKR_OK) {
TRACE_DEBUG("failed to create digest.\n");
return rv;
}
rv = sha_hash(tokdata, NULL, FALSE, &ctx, data, len, hash, &hash_len);
digest_mgr_cleanup(&ctx);
return rv;
}
/* Compute SHA1 using software implementation */
CK_RV compute_sha1(STDLL_TokData_t *tokdata, CK_BYTE *data, CK_ULONG len,
CK_BYTE *hash)
{
// XXX KEY
DIGEST_CONTEXT ctx;
CK_ULONG hash_len = SHA1_HASH_SIZE;
UNUSED(tokdata);
memset(&ctx, 0x0, sizeof(ctx));
sw_sha1_init(&ctx);
if (ctx.context == NULL)
return CKR_HOST_MEMORY;
return sw_sha1_hash(&ctx, data, len, hash, &hash_len);
}
CK_RV compute_md5(STDLL_TokData_t *tokdata, CK_BYTE *data, CK_ULONG len,
CK_BYTE *hash)
{
DIGEST_CONTEXT ctx;
CK_ULONG hash_len = MD5_HASH_SIZE;
UNUSED(tokdata);
memset(&ctx, 0x0, sizeof(ctx));
sw_md5_init(&ctx);
if (ctx.context == NULL)
return CKR_HOST_MEMORY;
return sw_md5_hash(&ctx, data, len, hash, &hash_len);
}
CK_RV get_keytype(STDLL_TokData_t *tokdata, CK_OBJECT_HANDLE hkey,
CK_KEY_TYPE *keytype)
{
CK_RV rc;
OBJECT *key_obj = NULL;
CK_ATTRIBUTE *attr = NULL;
rc = object_mgr_find_in_map1(tokdata, hkey, &key_obj, READ_LOCK);
if (rc != CKR_OK) {
TRACE_DEVEL("object_mgr_find_in_map1 failed.\n");
return rc;
}
rc = template_attribute_find(key_obj->template, CKA_KEY_TYPE, &attr);
if (rc == FALSE) {
TRACE_ERROR("%s\n", ock_err(ERR_KEY_TYPE_INCONSISTENT));
rc = CKR_KEY_TYPE_INCONSISTENT;
} else {
*keytype = *(CK_KEY_TYPE *) attr->pValue;
rc = CKR_OK;
}
object_put(tokdata, key_obj, TRUE);
key_obj = NULL;
return rc;
}
CK_RV check_user_and_group()
{
int i;
uid_t uid, euid;
struct passwd *pw, *epw;
struct group *grp;
/*
* Check for root user or Group PKCS#11 Membershp.
* Only these are allowed.
*/
uid = getuid();
euid = geteuid();
/* Root or effective Root is ok */
if (uid == 0 || euid == 0)
return CKR_OK;
/*
* Check for member of group. SAB get login seems to not work
* with some instances of application invocations (particularly
* when forked). So we need to get the group information.
* Really need to take the uid and map it to a name.
*/
grp = getgrnam("pkcs11");
if (grp == NULL) {
OCK_SYSLOG(LOG_ERR, "getgrnam() failed: %s\n", strerror(errno));
goto error;
}
if (getgid() == grp->gr_gid || getegid() == grp->gr_gid)
return CKR_OK;
/* Check if user or effective user is member of pkcs11 group */
pw = getpwuid(uid);
epw = getpwuid(euid);
for (i = 0; grp->gr_mem[i]; i++) {
if ((pw && (strncmp(pw->pw_name, grp->gr_mem[i],
strlen(pw->pw_name)) == 0)) ||
(epw && (strncmp(epw->pw_name, grp->gr_mem[i],
strlen(epw->pw_name)) == 0)))
return CKR_OK;
}
error:
TRACE_ERROR("%s\n", ock_err(ERR_FUNCTION_FAILED));
return CKR_FUNCTION_FAILED;
}
void copy_token_contents_sensibly(CK_TOKEN_INFO_PTR pInfo,
TOKEN_DATA *nv_token_data)
{
memcpy(pInfo, &nv_token_data->token_info, sizeof(CK_TOKEN_INFO_32));
pInfo->flags = nv_token_data->token_info.flags;
pInfo->ulMaxPinLen = nv_token_data->token_info.ulMaxPinLen;
pInfo->ulMinPinLen = nv_token_data->token_info.ulMinPinLen;
if (nv_token_data->token_info.ulTotalPublicMemory ==
(CK_ULONG_32) CK_UNAVAILABLE_INFORMATION) {
pInfo->ulTotalPublicMemory = (CK_ULONG) CK_UNAVAILABLE_INFORMATION;
} else {
pInfo->ulTotalPublicMemory =
nv_token_data->token_info.ulTotalPublicMemory;
}
if (nv_token_data->token_info.ulFreePublicMemory ==
(CK_ULONG_32) CK_UNAVAILABLE_INFORMATION) {
pInfo->ulFreePublicMemory = (CK_ULONG) CK_UNAVAILABLE_INFORMATION;
} else {
pInfo->ulFreePublicMemory =
nv_token_data->token_info.ulFreePublicMemory;
}
if (nv_token_data->token_info.ulTotalPrivateMemory ==
(CK_ULONG_32) CK_UNAVAILABLE_INFORMATION) {
pInfo->ulTotalPrivateMemory = (CK_ULONG) CK_UNAVAILABLE_INFORMATION;
} else {
pInfo->ulTotalPrivateMemory =
nv_token_data->token_info.ulTotalPrivateMemory;
}
if (nv_token_data->token_info.ulFreePrivateMemory ==
(CK_ULONG_32) CK_UNAVAILABLE_INFORMATION) {
pInfo->ulFreePrivateMemory = (CK_ULONG) CK_UNAVAILABLE_INFORMATION;
} else {
pInfo->ulFreePrivateMemory =
nv_token_data->token_info.ulFreePrivateMemory;
}
pInfo->hardwareVersion = nv_token_data->token_info.hardwareVersion;
pInfo->firmwareVersion = nv_token_data->token_info.firmwareVersion;
pInfo->ulMaxSessionCount = CK_EFFECTIVELY_INFINITE;
/* pInfo->ulSessionCount is set at the API level */
pInfo->ulMaxRwSessionCount = CK_EFFECTIVELY_INFINITE;
pInfo->ulRwSessionCount = CK_UNAVAILABLE_INFORMATION;
}