/* * 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 */ #include "config.h" #define CRYPTOKI_EXPORTS #include "argv.h" #include "array.h" #include "attrs.h" #define P11_DEBUG_FLAG P11_DEBUG_TRUST #include "debug.h" #include "dict.h" #include "library.h" #include "message.h" #include "module.h" #include "parser.h" #include "path.h" #include "pkcs11.h" #include "pkcs11x.h" #include "session.h" #include "token.h" #include #include #include #include #define MANUFACTURER_ID "PKCS#11 Kit " #define LIBRARY_DESCRIPTION "PKCS#11 Kit Trust Module " #define TOKEN_MODEL "p11-kit-trust " #define TOKEN_SERIAL_NUMBER "1 " /* Initial slot id: non-zero and non-one */ #define BASE_SLOT_ID 18UL static struct _Shared { int initialized; p11_dict *sessions; p11_array *tokens; char *paths; } gl = { 0, NULL, NULL, NULL }; /* Used during FindObjects */ typedef struct _FindObjects { CK_ATTRIBUTE *match; CK_OBJECT_HANDLE *snapshot; CK_ULONG iterator; } FindObjects; static CK_FUNCTION_LIST sys_function_list; static void find_objects_free (void *data) { FindObjects *find = data; p11_attrs_free (find->match); free (find->snapshot); free (find); } static CK_RV lookup_session (CK_SESSION_HANDLE handle, p11_session **session) { p11_session *sess; if (!gl.sessions) return CKR_CRYPTOKI_NOT_INITIALIZED; sess = p11_dict_get (gl.sessions, &handle); if (!sess) return CKR_SESSION_HANDLE_INVALID; if (sess && session) *session = sess; return CKR_OK; } static CK_ATTRIBUTE * lookup_object_inlock (p11_session *session, CK_OBJECT_HANDLE handle, p11_index **index) { CK_ATTRIBUTE *attrs; assert (session != NULL); attrs = p11_index_lookup (session->index, handle); if (attrs) { if (index) *index = session->index; return attrs; } attrs = p11_index_lookup (p11_token_index (session->token), handle); if (attrs) { if (index) *index = p11_token_index (session->token); return attrs; } return NULL; } static CK_RV check_index_writable (p11_session *session, p11_index *index) { if (index == p11_token_index (session->token)) { if (!p11_token_is_writable (session->token)) return CKR_TOKEN_WRITE_PROTECTED; else if (!session->read_write) return CKR_SESSION_READ_ONLY; } return CKR_OK; } static CK_RV lookup_slot_inlock (CK_SLOT_ID id, p11_token **token) { /* * These are invalid inputs, that well behaved callers should * not produce, so have them fail precondations */ return_val_if_fail (gl.tokens != NULL, CKR_CRYPTOKI_NOT_INITIALIZED); return_val_if_fail (id >= BASE_SLOT_ID && id - BASE_SLOT_ID < gl.tokens->num, CKR_SLOT_ID_INVALID); if (token) *token = gl.tokens->elem[id - BASE_SLOT_ID]; return CKR_OK; } static bool check_slot (CK_SLOT_ID id) { bool ret; p11_lock (); ret = lookup_slot_inlock (id, NULL) == CKR_OK; p11_unlock (); return ret; } static bool create_tokens_inlock (p11_array *tokens, const char *paths) { /* * TRANSLATORS: These label strings are used in PKCS#11 URIs and * unfortunately cannot be marked translatable. If localization is * desired they should be translated in GUI applications. These * strings will not change arbitrarily. */ struct { const char *prefix; const char *label; } labels[] = { { "~/", "User Trust" }, { DATA_DIR, "Default Trust" }, { SYSCONFDIR, "System Trust" }, { NULL }, }; p11_token *token; p11_token *check; CK_SLOT_ID slot; const char *path; const char *label; char *alloc; char *remaining; char *base; char *pos; int i; p11_debug ("using paths: %s", paths); alloc = remaining = strdup (paths); return_val_if_fail (remaining != NULL, false); while (remaining) { path = remaining; pos = strchr (remaining, P11_PATH_SEP_C); if (pos == NULL) { remaining = NULL; } else { pos[0] = '\0'; remaining = pos + 1; } if (path[0] != '\0') { /* The slot for the new token */ slot = BASE_SLOT_ID + tokens->num; label = NULL; base = NULL; /* Claim the various labels based on prefix */ for (i = 0; label == NULL && labels[i].prefix != NULL; i++) { if (strncmp (path, labels[i].prefix, strlen (labels[i].prefix)) == 0) { label = labels[i].label; labels[i].label = NULL; } } /* Didn't find a label above, then make one based on the path */ if (!label) { label = base = p11_path_base (path); return_val_if_fail (base != NULL, false); } token = p11_token_new (slot, path, label); return_val_if_fail (token != NULL, false); if (!p11_array_push (tokens, token)) return_val_if_reached (false); free (base); assert (lookup_slot_inlock (slot, &check) == CKR_OK && check == token); } } free (alloc); return true; } static void parse_argument (char *arg, void *unused) { char *value; value = arg + strcspn (arg, ":="); if (!*value) value = NULL; else *(value++) = 0; if (strcmp (arg, "paths") == 0) { free (gl.paths); gl.paths = value ? strdup (value) : NULL; } else { p11_message ("unrecognized module argument: %s", arg); } } static CK_RV sys_C_Finalize (CK_VOID_PTR reserved) { CK_RV rv = CKR_OK; p11_debug ("in"); /* WARNING: This function must be reentrant */ if (reserved) { rv = CKR_ARGUMENTS_BAD; } else { p11_lock (); if (gl.initialized == 0) { p11_debug ("trust module is not initialized"); rv = CKR_CRYPTOKI_NOT_INITIALIZED; } else if (gl.initialized == 1) { p11_debug ("doing finalization"); free (gl.paths); gl.paths = NULL; p11_dict_free (gl.sessions); gl.sessions = NULL; p11_array_free (gl.tokens); gl.tokens = NULL; rv = CKR_OK; gl.initialized = 0; } else { gl.initialized--; p11_debug ("trust module still initialized %d times", gl.initialized); } p11_unlock (); } p11_debug ("out: 0x%lx", rv); return rv; } static CK_RV sys_C_Initialize (CK_VOID_PTR init_args) { static const CK_C_INITIALIZE_ARGS def_args = { NULL, NULL, NULL, NULL, CKF_OS_LOCKING_OK, NULL, }; const CK_C_INITIALIZE_ARGS *args = NULL; int supplied_ok; CK_RV rv; p11_library_init_once (); /* WARNING: This function must be reentrant */ p11_debug ("in"); p11_lock (); rv = CKR_OK; args = init_args; if (args == NULL) args = &def_args; /* ALL supplied function pointers need to have the value either NULL or non-NULL. */ supplied_ok = (args->CreateMutex == NULL && args->DestroyMutex == NULL && args->LockMutex == NULL && args->UnlockMutex == NULL) || (args->CreateMutex != NULL && args->DestroyMutex != NULL && args->LockMutex != NULL && args->UnlockMutex != NULL); if (!supplied_ok) { p11_message ("invalid set of mutex calls supplied"); rv = CKR_ARGUMENTS_BAD; } /* * When the CKF_OS_LOCKING_OK flag isn't set return an error. * We must be able to use our pthread functionality. */ if (!(args->flags & CKF_OS_LOCKING_OK)) { p11_message ("can't do without os locking"); rv = CKR_CANT_LOCK; } if (rv == CKR_OK && gl.initialized != 0) { p11_debug ("trust module already initialized %d times", gl.initialized); /* * We support setting the socket path and other arguments from from the * pReserved pointer, similar to how NSS PKCS#11 components are initialized. */ } else if (rv == CKR_OK) { p11_debug ("doing initialization"); if (args->pReserved) p11_argv_parse ((const char*)args->pReserved, parse_argument, NULL); gl.sessions = p11_dict_new (p11_dict_ulongptr_hash, p11_dict_ulongptr_equal, NULL, p11_session_free); gl.tokens = p11_array_new ((p11_destroyer)p11_token_free); if (gl.tokens && !create_tokens_inlock (gl.tokens, gl.paths ? gl.paths : TRUST_PATHS)) gl.tokens = NULL; if (gl.sessions == NULL || gl.tokens == NULL) { warn_if_reached (); rv = CKR_GENERAL_ERROR; } } gl.initialized++; p11_unlock (); if (rv != CKR_OK) sys_C_Finalize (NULL); p11_debug ("out: 0x%lx", rv); return rv; } static CK_RV sys_C_GetInfo (CK_INFO_PTR info) { CK_RV rv = CKR_OK; p11_library_init_once (); p11_debug ("in"); return_val_if_fail (info != NULL, CKR_ARGUMENTS_BAD); p11_lock (); if (!gl.sessions) rv = CKR_CRYPTOKI_NOT_INITIALIZED; p11_unlock (); if (rv == CKR_OK) { memset (info, 0, sizeof (*info)); info->cryptokiVersion.major = CRYPTOKI_VERSION_MAJOR; info->cryptokiVersion.minor = CRYPTOKI_VERSION_MINOR; info->libraryVersion.major = PACKAGE_MAJOR; info->libraryVersion.minor = PACKAGE_MINOR; info->flags = 0; strncpy ((char*)info->manufacturerID, MANUFACTURER_ID, 32); strncpy ((char*)info->libraryDescription, LIBRARY_DESCRIPTION, 32); } p11_debug ("out: 0x%lx", rv); return rv; } static CK_RV sys_C_GetFunctionList (CK_FUNCTION_LIST_PTR_PTR list) { /* Can be called before C_Initialize */ return_val_if_fail (list != NULL, CKR_ARGUMENTS_BAD); *list = &sys_function_list; return CKR_OK; } static CK_RV sys_C_GetSlotList (CK_BBOOL token_present, CK_SLOT_ID_PTR slot_list, CK_ULONG_PTR count) { CK_RV rv = CKR_OK; int i; return_val_if_fail (count != NULL, CKR_ARGUMENTS_BAD); p11_debug ("in"); p11_lock (); if (!gl.sessions) rv = CKR_CRYPTOKI_NOT_INITIALIZED; p11_unlock (); if (rv != CKR_OK) { /* already failed */ } else if (!slot_list) { *count = gl.tokens->num; rv = CKR_OK; } else if (*count < gl.tokens->num) { *count = gl.tokens->num; rv = CKR_BUFFER_TOO_SMALL; } else { for (i = 0; i < gl.tokens->num; i++) slot_list[i] = BASE_SLOT_ID + i; *count = gl.tokens->num; rv = CKR_OK; } p11_debug ("out: 0x%lx", rv); return rv; } static CK_RV sys_C_GetSlotInfo (CK_SLOT_ID id, CK_SLOT_INFO_PTR info) { CK_RV rv = CKR_OK; p11_token *token; const char *path; size_t length; return_val_if_fail (info != NULL, CKR_ARGUMENTS_BAD); p11_debug ("in"); p11_lock (); rv = lookup_slot_inlock (id, &token); if (rv == CKR_OK) { memset (info, 0, sizeof (*info)); info->firmwareVersion.major = 0; info->firmwareVersion.minor = 0; info->hardwareVersion.major = PACKAGE_MAJOR; info->hardwareVersion.minor = PACKAGE_MINOR; info->flags = CKF_TOKEN_PRESENT; strncpy ((char*)info->manufacturerID, MANUFACTURER_ID, 32); /* If too long, copy the first 64 characters into buffer */ path = p11_token_get_path (token); length = strlen (path); if (length > sizeof (info->slotDescription)) length = sizeof (info->slotDescription); memset (info->slotDescription, ' ', sizeof (info->slotDescription)); memcpy (info->slotDescription, path, length); } p11_unlock (); p11_debug ("out: 0x%lx", rv); return rv; } static CK_RV sys_C_GetTokenInfo (CK_SLOT_ID id, CK_TOKEN_INFO_PTR info) { CK_RV rv = CKR_OK; p11_token *token; const char *label; size_t length; return_val_if_fail (info != NULL, CKR_ARGUMENTS_BAD); p11_debug ("in"); p11_lock (); rv = lookup_slot_inlock (id, &token); if (rv == CKR_OK) { memset (info, 0, sizeof (*info)); info->firmwareVersion.major = 0; info->firmwareVersion.minor = 0; info->hardwareVersion.major = PACKAGE_MAJOR; info->hardwareVersion.minor = PACKAGE_MINOR; info->flags = CKF_TOKEN_INITIALIZED; strncpy ((char*)info->manufacturerID, MANUFACTURER_ID, 32); strncpy ((char*)info->model, TOKEN_MODEL, 16); strncpy ((char*)info->serialNumber, TOKEN_SERIAL_NUMBER, 16); info->ulMaxSessionCount = CK_EFFECTIVELY_INFINITE; info->ulSessionCount = CK_UNAVAILABLE_INFORMATION; info->ulMaxRwSessionCount = 0; info->ulRwSessionCount = CK_UNAVAILABLE_INFORMATION; info->ulMaxPinLen = 0; info->ulMinPinLen = 0; info->ulTotalPublicMemory = CK_UNAVAILABLE_INFORMATION; info->ulFreePublicMemory = CK_UNAVAILABLE_INFORMATION; info->ulTotalPrivateMemory = CK_UNAVAILABLE_INFORMATION; info->ulFreePrivateMemory = CK_UNAVAILABLE_INFORMATION; /* If too long, copy the first 32 characters into buffer */ label = p11_token_get_label (token); length = strlen (label); if (length > sizeof (info->label)) length = sizeof (info->label); memset (info->label, ' ', sizeof (info->label)); memcpy (info->label, label, length); if (!p11_token_is_writable (token)) info->flags |= CKF_WRITE_PROTECTED; } p11_unlock (); p11_debug ("out: 0x%lx", rv); return rv; } static CK_RV sys_C_GetMechanismList (CK_SLOT_ID id, CK_MECHANISM_TYPE_PTR mechanism_list, CK_ULONG_PTR count) { CK_RV rv = CKR_OK; return_val_if_fail (count != NULL, CKR_ARGUMENTS_BAD); p11_debug ("in"); *count = 0; p11_debug ("out: 0x%lx", rv); return rv; } static CK_RV sys_C_GetMechanismInfo (CK_SLOT_ID id, CK_MECHANISM_TYPE type, CK_MECHANISM_INFO_PTR info) { return_val_if_fail (info != NULL, CKR_ARGUMENTS_BAD); return_val_if_fail (check_slot (id), CKR_SLOT_ID_INVALID); return_val_if_reached (CKR_MECHANISM_INVALID); } static CK_RV sys_C_InitToken (CK_SLOT_ID id, CK_UTF8CHAR_PTR pin, CK_ULONG pin_len, CK_UTF8CHAR_PTR label) { p11_debug ("not supported"); return CKR_FUNCTION_NOT_SUPPORTED; } static CK_RV sys_C_WaitForSlotEvent (CK_FLAGS flags, CK_SLOT_ID_PTR slot, CK_VOID_PTR reserved) { p11_debug ("not supported"); return CKR_FUNCTION_NOT_SUPPORTED; } static CK_RV sys_C_OpenSession (CK_SLOT_ID id, CK_FLAGS flags, CK_VOID_PTR user_data, CK_NOTIFY callback, CK_SESSION_HANDLE_PTR handle) { p11_session *session; p11_token *token; CK_RV rv = CKR_OK; return_val_if_fail (check_slot (id), CKR_SLOT_ID_INVALID); return_val_if_fail (handle != NULL, CKR_ARGUMENTS_BAD); p11_debug ("in"); p11_lock (); rv = lookup_slot_inlock (id, &token); if (rv != CKR_OK) { /* fail below */; } else if (!(flags & CKF_SERIAL_SESSION)) { rv = CKR_SESSION_PARALLEL_NOT_SUPPORTED; } else if ((flags & CKF_RW_SESSION) && !p11_token_is_writable (token)) { rv = CKR_TOKEN_WRITE_PROTECTED; } else { session = p11_session_new (token); if (p11_dict_set (gl.sessions, &session->handle, session)) { rv = CKR_OK; if (flags & CKF_RW_SESSION) session->read_write = true; *handle = session->handle; p11_debug ("session: %lu", *handle); } else { warn_if_reached (); rv = CKR_GENERAL_ERROR; } } p11_unlock (); p11_debug ("out: 0x%lx", rv); return rv; } static CK_RV sys_C_CloseSession (CK_SESSION_HANDLE handle) { CK_RV rv = CKR_OK; p11_debug ("in"); p11_lock (); if (!gl.sessions) { rv = CKR_CRYPTOKI_NOT_INITIALIZED; } else if (p11_dict_remove (gl.sessions, &handle)) { rv = CKR_OK; } else { rv = CKR_SESSION_HANDLE_INVALID; } p11_unlock (); p11_debug ("out: 0x%lx", rv); return rv; } static CK_RV sys_C_CloseAllSessions (CK_SLOT_ID id) { CK_SESSION_HANDLE *handle; p11_session *session; p11_token *token; p11_dictiter iter; CK_RV rv; p11_debug ("in"); p11_lock (); rv = lookup_slot_inlock (id, &token); if (rv == CKR_OK) { p11_dict_iterate (gl.sessions, &iter); while (p11_dict_next (&iter, (void **)&handle, (void **)&session)) { if (session->token == token) p11_dict_remove (gl.sessions, handle); } } p11_unlock (); p11_debug ("out: 0x%lx", rv); return rv; } static CK_RV sys_C_GetFunctionStatus (CK_SESSION_HANDLE handle) { return CKR_SESSION_PARALLEL_NOT_SUPPORTED; } static CK_RV sys_C_CancelFunction (CK_SESSION_HANDLE handle) { return CKR_SESSION_PARALLEL_NOT_SUPPORTED; } static CK_RV sys_C_GetSessionInfo (CK_SESSION_HANDLE handle, CK_SESSION_INFO_PTR info) { p11_session *session; CK_RV rv; return_val_if_fail (info != NULL, CKR_ARGUMENTS_BAD); p11_debug ("in"); p11_lock (); rv = lookup_session (handle, &session); if (rv == CKR_OK) { info->flags = CKF_SERIAL_SESSION; info->state = CKS_RO_PUBLIC_SESSION; info->slotID = p11_token_get_slot (session->token); info->ulDeviceError = 0; } p11_unlock (); p11_debug ("out: 0x%lx", rv); return rv; } static CK_RV sys_C_InitPIN (CK_SESSION_HANDLE handle, CK_UTF8CHAR_PTR pin, CK_ULONG pin_len) { p11_debug ("not supported"); return CKR_FUNCTION_NOT_SUPPORTED; } static CK_RV sys_C_SetPIN (CK_SESSION_HANDLE handle, CK_UTF8CHAR_PTR old_pin, CK_ULONG old_pin_len, CK_UTF8CHAR_PTR new_pin, CK_ULONG new_pin_len) { p11_debug ("not supported"); return CKR_FUNCTION_NOT_SUPPORTED; } static CK_RV sys_C_GetOperationState (CK_SESSION_HANDLE handle, CK_BYTE_PTR operation_state, CK_ULONG_PTR operation_state_len) { p11_debug ("not supported"); return CKR_FUNCTION_NOT_SUPPORTED; } static CK_RV sys_C_SetOperationState (CK_SESSION_HANDLE handle, CK_BYTE_PTR operation_state, CK_ULONG operation_state_len, CK_OBJECT_HANDLE encryption_key, CK_OBJECT_HANDLE authentication_key) { p11_debug ("not supported"); return CKR_FUNCTION_NOT_SUPPORTED; } static CK_RV sys_C_Login (CK_SESSION_HANDLE handle, CK_USER_TYPE user_type, CK_UTF8CHAR_PTR pin, CK_ULONG pin_len) { CK_RV rv; p11_debug ("in"); p11_lock (); rv = lookup_session (handle, NULL); if (rv == CKR_OK) rv = CKR_USER_TYPE_INVALID; p11_unlock (); p11_debug ("out: 0x%lx", rv); return rv; } static CK_RV sys_C_Logout (CK_SESSION_HANDLE handle) { CK_RV rv; p11_debug ("in"); p11_lock (); rv = lookup_session (handle, NULL); if (rv == CKR_OK) rv = CKR_USER_NOT_LOGGED_IN; p11_unlock (); p11_debug ("out: 0x%lx", rv); return rv; } static CK_RV sys_C_CreateObject (CK_SESSION_HANDLE handle, CK_ATTRIBUTE_PTR template, CK_ULONG count, CK_OBJECT_HANDLE_PTR new_object) { p11_session *session; p11_index *index; CK_BBOOL val; CK_RV rv; return_val_if_fail (new_object != NULL, CKR_ARGUMENTS_BAD); p11_debug ("in"); p11_lock (); rv = lookup_session (handle, &session); if (rv == CKR_OK) { if (p11_attrs_findn_bool (template, count, CKA_TOKEN, &val) && val) index = p11_token_index (session->token); else index = session->index; rv = check_index_writable (session, index); } if (rv == CKR_OK) rv = p11_index_add (index, template, count, new_object); p11_unlock (); p11_debug ("out: 0x%lx", rv); return rv; } static CK_RV sys_C_CopyObject (CK_SESSION_HANDLE handle, CK_OBJECT_HANDLE object, CK_ATTRIBUTE_PTR template, CK_ULONG count, CK_OBJECT_HANDLE_PTR new_object) { CK_BBOOL vfalse = CK_FALSE; CK_ATTRIBUTE token = { CKA_TOKEN, &vfalse, sizeof (vfalse) }; p11_session *session; CK_ATTRIBUTE *original; CK_ATTRIBUTE *attrs; p11_index *index; CK_BBOOL val; CK_RV rv; return_val_if_fail (new_object != NULL, CKR_ARGUMENTS_BAD); p11_debug ("in"); p11_lock (); rv = lookup_session (handle, &session); if (rv == CKR_OK) { original = lookup_object_inlock (session, object, &index); if (original == NULL) rv = CKR_OBJECT_HANDLE_INVALID; } if (rv == CKR_OK) { if (p11_attrs_findn_bool (template, count, CKA_TOKEN, &val)) index = val ? p11_token_index (session->token) : session->index; rv = check_index_writable (session, index); } if (rv == CKR_OK) { attrs = p11_attrs_dup (original); attrs = p11_attrs_buildn (attrs, template, count); attrs = p11_attrs_build (attrs, &token, NULL); rv = p11_index_take (index, attrs, new_object); } p11_unlock (); p11_debug ("out: 0x%lx", rv); return rv; } static CK_RV sys_C_DestroyObject (CK_SESSION_HANDLE handle, CK_OBJECT_HANDLE object) { p11_session *session; CK_ATTRIBUTE *attrs; p11_index *index; CK_BBOOL val; CK_RV rv; p11_debug ("in"); p11_lock (); rv = lookup_session (handle, &session); if (rv == CKR_OK) { attrs = lookup_object_inlock (session, object, &index); if (attrs == NULL) rv = CKR_OBJECT_HANDLE_INVALID; else rv = check_index_writable (session, index); if (rv == CKR_OK && p11_attrs_find_bool (attrs, CKA_MODIFIABLE, &val) && !val) { /* TODO: This should be replaced with CKR_ACTION_PROHIBITED */ rv = CKR_ATTRIBUTE_READ_ONLY; } if (rv == CKR_OK) rv = p11_index_remove (index, object); } p11_unlock (); p11_debug ("out: 0x%lx", rv); return rv; } static CK_RV sys_C_GetObjectSize (CK_SESSION_HANDLE handle, CK_OBJECT_HANDLE object, CK_ULONG_PTR size) { p11_session *session; CK_RV rv; return_val_if_fail (size != NULL, CKR_ARGUMENTS_BAD); p11_debug ("in"); p11_lock (); rv = lookup_session (handle, &session); if (rv == CKR_OK) { if (lookup_object_inlock (session, object, NULL)) { *size = CK_UNAVAILABLE_INFORMATION; rv = CKR_OK; } else { rv = CKR_OBJECT_HANDLE_INVALID; } } p11_unlock (); p11_debug ("out: 0x%lx", rv); return rv; } static CK_RV sys_C_GetAttributeValue (CK_SESSION_HANDLE handle, CK_OBJECT_HANDLE object, CK_ATTRIBUTE_PTR template, CK_ULONG count) { CK_ATTRIBUTE *attrs; CK_ATTRIBUTE *result; CK_ATTRIBUTE *attr; p11_session *session; char *string; CK_ULONG i; CK_RV rv; p11_debug ("in: %lu, %lu", handle, object); p11_lock (); rv = lookup_session (handle, &session); if (rv == CKR_OK) { attrs = lookup_object_inlock (session, object, NULL); if (attrs == NULL) rv = CKR_OBJECT_HANDLE_INVALID; } if (rv == CKR_OK) { for (i = 0; i < count; i++) { result = template + i; attr = p11_attrs_find (attrs, result->type); if (!attr) { result->ulValueLen = (CK_ULONG)-1; rv = CKR_ATTRIBUTE_TYPE_INVALID; continue; } if (!result->pValue) { result->ulValueLen = attr->ulValueLen; continue; } if (result->ulValueLen >= attr->ulValueLen) { memcpy (result->pValue, attr->pValue, attr->ulValueLen); result->ulValueLen = attr->ulValueLen; continue; } result->ulValueLen = (CK_ULONG)-1; rv = CKR_BUFFER_TOO_SMALL; } } p11_unlock (); if (p11_debugging) { string = p11_attrs_to_string (template, count); p11_debug ("out: 0x%lx %s", rv, string); free (string); } return rv; } static CK_RV sys_C_SetAttributeValue (CK_SESSION_HANDLE handle, CK_OBJECT_HANDLE object, CK_ATTRIBUTE_PTR template, CK_ULONG count) { p11_session *session; CK_ATTRIBUTE *attrs; p11_index *index; CK_BBOOL val; CK_RV rv; p11_debug ("in"); p11_lock (); rv = lookup_session (handle, &session); if (rv == CKR_OK) { attrs = lookup_object_inlock (session, object, &index); if (attrs == NULL) { rv = CKR_OBJECT_HANDLE_INVALID; } else if (p11_attrs_find_bool (attrs, CKA_MODIFIABLE, &val) && !val) { /* TODO: This should be replaced with CKR_ACTION_PROHIBITED */ rv = CKR_ATTRIBUTE_READ_ONLY; } if (rv == CKR_OK) rv = check_index_writable (session, index); /* Reload the item if applicable */ if (rv == CKR_OK && index == p11_token_index (session->token)) { if (p11_token_reload (session->token, attrs)) { attrs = p11_index_lookup (index, object); if (p11_attrs_find_bool (attrs, CKA_MODIFIABLE, &val) && !val) { /* TODO: This should be replaced with CKR_ACTION_PROHIBITED */ rv = CKR_ATTRIBUTE_READ_ONLY; } } } if (rv == CKR_OK) rv = p11_index_set (index, object, template, count); } p11_unlock (); p11_debug ("out: 0x%lx", rv); return rv; } static CK_RV sys_C_FindObjectsInit (CK_SESSION_HANDLE handle, CK_ATTRIBUTE_PTR template, CK_ULONG count) { p11_index *indices[2] = { NULL, NULL }; CK_BBOOL want_token_objects; CK_BBOOL want_session_objects; CK_BBOOL token; FindObjects *find; p11_session *session; char *string; CK_RV rv; int n = 0; if (p11_debugging) { string = p11_attrs_to_string (template, count); p11_debug ("in: %lu, %s", handle, string); free (string); } p11_lock (); /* Are we searching for token objects? */ if (p11_attrs_findn_bool (template, count, CKA_TOKEN, &token)) { want_token_objects = token; want_session_objects = !token; } else { want_token_objects = CK_TRUE; want_session_objects = CK_TRUE; } rv = lookup_session (handle, &session); /* Refresh from disk if this session hasn't yet */ if (rv == CKR_OK) { if (want_session_objects) indices[n++] = session->index; if (want_token_objects) { if (!session->loaded) p11_token_load (session->token); session->loaded = CK_TRUE; indices[n++] = p11_token_index (session->token); } find = calloc (1, sizeof (FindObjects)); warn_if_fail (find != NULL); /* Make a snapshot of what we're matching */ if (find) { find->match = p11_attrs_buildn (NULL, template, count); warn_if_fail (find->match != NULL); /* Build a session snapshot of all objects */ find->iterator = 0; find->snapshot = p11_index_snapshot (indices[0], indices[1], template, count); warn_if_fail (find->snapshot != NULL); } if (!find || !find->snapshot || !find->match) rv = CKR_HOST_MEMORY; else p11_session_set_operation (session, find_objects_free, find); } p11_unlock (); p11_debug ("out: 0x%lx", rv); return rv; } static bool match_for_broken_nss_serial_number_lookups (CK_ATTRIBUTE *attr, CK_ATTRIBUTE *match) { unsigned char der[32]; unsigned char *val_val; size_t der_len; size_t val_len; int len_len; if (!match->pValue || !match->ulValueLen || match->ulValueLen == CKA_INVALID || attr->ulValueLen == CKA_INVALID) return false; der_len = sizeof (der); der[0] = ASN1_TAG_INTEGER | ASN1_CLASS_UNIVERSAL; len_len = der_len - 1; asn1_length_der (match->ulValueLen, der + 1, &len_len); assert (len_len < (der_len - 1)); der_len = 1 + len_len; val_val = attr->pValue; val_len = attr->ulValueLen; if (der_len + match->ulValueLen != val_len) return false; if (memcmp (der, val_val, der_len) != 0 || memcmp (match->pValue, val_val + der_len, match->ulValueLen) != 0) return false; p11_debug ("worked around serial number lookup that's not DER encoded"); return true; } static bool find_objects_match (CK_ATTRIBUTE *attrs, CK_ATTRIBUTE *match) { CK_OBJECT_CLASS klass; CK_ATTRIBUTE *attr; for (; !p11_attrs_terminator (match); match++) { attr = p11_attrs_find ((CK_ATTRIBUTE *)attrs, match->type); if (!attr) return false; if (p11_attr_equal (attr, match)) continue; /* * WORKAROUND: NSS calls us asking for CKA_SERIAL_NUMBER items that are * not DER encoded. It shouldn't be doing this. We never return any certificate * serial numbers that are not DER encoded. * * So work around the issue here while the NSS guys fix this issue. * This code should be removed in future versions. */ if (attr->type == CKA_SERIAL_NUMBER && p11_attrs_find_ulong (attrs, CKA_CLASS, &klass) && klass == CKO_NSS_TRUST) { if (match_for_broken_nss_serial_number_lookups (attr, match)) continue; } return false; } return true; } static CK_RV sys_C_FindObjects (CK_SESSION_HANDLE handle, CK_OBJECT_HANDLE_PTR objects, CK_ULONG max_count, CK_ULONG_PTR count) { CK_OBJECT_HANDLE object; CK_ATTRIBUTE *attrs; FindObjects *find = NULL; p11_session *session; CK_ULONG matched; p11_index *index; CK_RV rv; return_val_if_fail (count != NULL, CKR_ARGUMENTS_BAD); p11_debug ("in: %lu, %lu", handle, max_count); p11_lock (); rv = lookup_session (handle, &session); if (rv == CKR_OK) { if (session->cleanup != find_objects_free) rv = CKR_OPERATION_NOT_INITIALIZED; find = session->operation; } if (rv == CKR_OK) { matched = 0; while (matched < max_count) { object = find->snapshot[find->iterator]; if (!object) break; find->iterator++; attrs = lookup_object_inlock (session, object, &index); if (attrs == NULL) continue; if (find_objects_match (attrs, find->match)) { objects[matched] = object; matched++; } } *count = matched; } p11_unlock (); p11_debug ("out: 0x%lx, %lu", handle, *count); return rv; } static CK_RV sys_C_FindObjectsFinal (CK_SESSION_HANDLE handle) { p11_session *session; CK_RV rv; p11_debug ("in"); p11_lock (); rv = lookup_session (handle, &session); if (rv == CKR_OK) { if (session->cleanup != find_objects_free) rv = CKR_OPERATION_NOT_INITIALIZED; else p11_session_set_operation (session, NULL, NULL); } p11_unlock (); p11_debug ("out: 0x%lx", rv); return rv; } static CK_RV sys_C_EncryptInit (CK_SESSION_HANDLE handle, CK_MECHANISM_PTR mechanism, CK_OBJECT_HANDLE key) { return_val_if_reached (CKR_MECHANISM_INVALID); } static CK_RV sys_C_Encrypt (CK_SESSION_HANDLE handle, CK_BYTE_PTR data, CK_ULONG data_len, CK_BYTE_PTR encrypted_data, CK_ULONG_PTR encrypted_data_len) { return_val_if_reached (CKR_OPERATION_NOT_INITIALIZED); } static CK_RV sys_C_EncryptUpdate (CK_SESSION_HANDLE handle, CK_BYTE_PTR part, CK_ULONG part_len, CK_BYTE_PTR encrypted_part, CK_ULONG_PTR encrypted_part_len) { return_val_if_reached (CKR_OPERATION_NOT_INITIALIZED); } static CK_RV sys_C_EncryptFinal (CK_SESSION_HANDLE handle, CK_BYTE_PTR last_part, CK_ULONG_PTR last_part_len) { return_val_if_reached (CKR_OPERATION_NOT_INITIALIZED); } static CK_RV sys_C_DecryptInit (CK_SESSION_HANDLE handle, CK_MECHANISM_PTR mechanism, CK_OBJECT_HANDLE key) { return_val_if_reached (CKR_MECHANISM_INVALID); } static CK_RV sys_C_Decrypt (CK_SESSION_HANDLE handle, CK_BYTE_PTR enc_data, CK_ULONG enc_data_len, CK_BYTE_PTR data, CK_ULONG_PTR data_len) { return_val_if_reached (CKR_OPERATION_NOT_INITIALIZED); } static CK_RV sys_C_DecryptUpdate (CK_SESSION_HANDLE handle, CK_BYTE_PTR enc_part, CK_ULONG enc_part_len, CK_BYTE_PTR part, CK_ULONG_PTR part_len) { return_val_if_reached (CKR_OPERATION_NOT_INITIALIZED); } static CK_RV sys_C_DecryptFinal (CK_SESSION_HANDLE handle, CK_BYTE_PTR last_part, CK_ULONG_PTR last_part_len) { return_val_if_reached (CKR_OPERATION_NOT_INITIALIZED); } static CK_RV sys_C_DigestInit (CK_SESSION_HANDLE handle, CK_MECHANISM_PTR mechanism) { return_val_if_reached (CKR_MECHANISM_INVALID); } static CK_RV sys_C_Digest (CK_SESSION_HANDLE handle, CK_BYTE_PTR data, CK_ULONG data_len, CK_BYTE_PTR digest, CK_ULONG_PTR digest_len) { return_val_if_reached (CKR_OPERATION_NOT_INITIALIZED); } static CK_RV sys_C_DigestUpdate (CK_SESSION_HANDLE handle, CK_BYTE_PTR part, CK_ULONG part_len) { return_val_if_reached (CKR_OPERATION_NOT_INITIALIZED); } static CK_RV sys_C_DigestKey (CK_SESSION_HANDLE handle, CK_OBJECT_HANDLE key) { return_val_if_reached (CKR_OPERATION_NOT_INITIALIZED); } static CK_RV sys_C_DigestFinal (CK_SESSION_HANDLE handle, CK_BYTE_PTR digest, CK_ULONG_PTR digest_len) { return_val_if_reached (CKR_OPERATION_NOT_INITIALIZED); } static CK_RV sys_C_SignInit (CK_SESSION_HANDLE handle, CK_MECHANISM_PTR mechanism, CK_OBJECT_HANDLE key) { return_val_if_reached (CKR_MECHANISM_INVALID); } static CK_RV sys_C_Sign (CK_SESSION_HANDLE handle, CK_BYTE_PTR data, CK_ULONG data_len, CK_BYTE_PTR signature, CK_ULONG_PTR signature_len) { return_val_if_reached (CKR_OPERATION_NOT_INITIALIZED); } static CK_RV sys_C_SignUpdate (CK_SESSION_HANDLE handle, CK_BYTE_PTR part, CK_ULONG part_len) { return_val_if_reached (CKR_OPERATION_NOT_INITIALIZED); } static CK_RV sys_C_SignFinal (CK_SESSION_HANDLE handle, CK_BYTE_PTR signature, CK_ULONG_PTR signature_len) { return_val_if_reached (CKR_OPERATION_NOT_INITIALIZED); } static CK_RV sys_C_SignRecoverInit (CK_SESSION_HANDLE handle, CK_MECHANISM_PTR mechanism, CK_OBJECT_HANDLE key) { return_val_if_reached (CKR_MECHANISM_INVALID); } static CK_RV sys_C_SignRecover (CK_SESSION_HANDLE handle, CK_BYTE_PTR data, CK_ULONG data_len, CK_BYTE_PTR signature, CK_ULONG_PTR signature_len) { return_val_if_reached (CKR_OPERATION_NOT_INITIALIZED); } static CK_RV sys_C_VerifyInit (CK_SESSION_HANDLE handle, CK_MECHANISM_PTR mechanism, CK_OBJECT_HANDLE key) { return_val_if_reached (CKR_MECHANISM_INVALID); } static CK_RV sys_C_Verify (CK_SESSION_HANDLE handle, CK_BYTE_PTR data, CK_ULONG data_len, CK_BYTE_PTR signature, CK_ULONG signature_len) { return_val_if_reached (CKR_OPERATION_NOT_INITIALIZED); } static CK_RV sys_C_VerifyUpdate (CK_SESSION_HANDLE handle, CK_BYTE_PTR part, CK_ULONG part_len) { return_val_if_reached (CKR_OPERATION_NOT_INITIALIZED); } static CK_RV sys_C_VerifyFinal (CK_SESSION_HANDLE handle, CK_BYTE_PTR signature, CK_ULONG signature_len) { return_val_if_reached (CKR_OPERATION_NOT_INITIALIZED); } static CK_RV sys_C_VerifyRecoverInit (CK_SESSION_HANDLE handle, CK_MECHANISM_PTR mechanism, CK_OBJECT_HANDLE key) { return_val_if_reached (CKR_MECHANISM_INVALID); } static CK_RV sys_C_VerifyRecover (CK_SESSION_HANDLE handle, CK_BYTE_PTR signature, CK_ULONG signature_len, CK_BYTE_PTR data, CK_ULONG_PTR data_len) { return_val_if_reached (CKR_OPERATION_NOT_INITIALIZED); } static CK_RV sys_C_DigestEncryptUpdate (CK_SESSION_HANDLE handle, CK_BYTE_PTR part, CK_ULONG part_len, CK_BYTE_PTR enc_part, CK_ULONG_PTR enc_part_len) { return_val_if_reached (CKR_OPERATION_NOT_INITIALIZED); } static CK_RV sys_C_DecryptDigestUpdate (CK_SESSION_HANDLE handle, CK_BYTE_PTR enc_part, CK_ULONG enc_part_len, CK_BYTE_PTR part, CK_ULONG_PTR part_len) { return_val_if_reached (CKR_OPERATION_NOT_INITIALIZED); } static CK_RV sys_C_SignEncryptUpdate (CK_SESSION_HANDLE handle, CK_BYTE_PTR part, CK_ULONG part_len, CK_BYTE_PTR enc_part, CK_ULONG_PTR enc_part_len) { return_val_if_reached (CKR_OPERATION_NOT_INITIALIZED); } static CK_RV sys_C_DecryptVerifyUpdate (CK_SESSION_HANDLE handle, CK_BYTE_PTR enc_part, CK_ULONG enc_part_len, CK_BYTE_PTR part, CK_ULONG_PTR part_len) { return_val_if_reached (CKR_OPERATION_NOT_INITIALIZED); } static CK_RV sys_C_GenerateKey (CK_SESSION_HANDLE handle, CK_MECHANISM_PTR mechanism, CK_ATTRIBUTE_PTR template, CK_ULONG count, CK_OBJECT_HANDLE_PTR key) { return_val_if_reached (CKR_MECHANISM_INVALID); } static CK_RV sys_C_GenerateKeyPair (CK_SESSION_HANDLE handle, CK_MECHANISM_PTR mechanism, CK_ATTRIBUTE_PTR pub_template, CK_ULONG pub_count, CK_ATTRIBUTE_PTR priv_template, CK_ULONG priv_count, CK_OBJECT_HANDLE_PTR pub_key, CK_OBJECT_HANDLE_PTR priv_key) { return_val_if_reached (CKR_MECHANISM_INVALID); } static CK_RV sys_C_WrapKey (CK_SESSION_HANDLE handle, CK_MECHANISM_PTR mechanism, CK_OBJECT_HANDLE wrapping_key, CK_OBJECT_HANDLE key, CK_BYTE_PTR wrapped_key, CK_ULONG_PTR wrapped_key_len) { return_val_if_reached (CKR_MECHANISM_INVALID); } static CK_RV sys_C_UnwrapKey (CK_SESSION_HANDLE handle, CK_MECHANISM_PTR mechanism, CK_OBJECT_HANDLE unwrapping_key, CK_BYTE_PTR wrapped_key, CK_ULONG wrapped_key_len, CK_ATTRIBUTE_PTR template, CK_ULONG count, CK_OBJECT_HANDLE_PTR key) { return_val_if_reached (CKR_MECHANISM_INVALID); } static CK_RV sys_C_DeriveKey (CK_SESSION_HANDLE handle, CK_MECHANISM_PTR mechanism, CK_OBJECT_HANDLE base_key, CK_ATTRIBUTE_PTR template, CK_ULONG count, CK_OBJECT_HANDLE_PTR key) { return_val_if_reached (CKR_MECHANISM_INVALID); } static CK_RV sys_C_SeedRandom (CK_SESSION_HANDLE handle, CK_BYTE_PTR seed, CK_ULONG seed_len) { return_val_if_reached (CKR_RANDOM_NO_RNG); } static CK_RV sys_C_GenerateRandom (CK_SESSION_HANDLE handle, CK_BYTE_PTR random_data, CK_ULONG random_len) { return_val_if_reached (CKR_RANDOM_NO_RNG); } /* -------------------------------------------------------------------- * MODULE ENTRY POINT */ static CK_FUNCTION_LIST sys_function_list = { { CRYPTOKI_VERSION_MAJOR, CRYPTOKI_VERSION_MINOR }, /* version */ sys_C_Initialize, sys_C_Finalize, sys_C_GetInfo, sys_C_GetFunctionList, sys_C_GetSlotList, sys_C_GetSlotInfo, sys_C_GetTokenInfo, sys_C_GetMechanismList, sys_C_GetMechanismInfo, sys_C_InitToken, sys_C_InitPIN, sys_C_SetPIN, sys_C_OpenSession, sys_C_CloseSession, sys_C_CloseAllSessions, sys_C_GetSessionInfo, sys_C_GetOperationState, sys_C_SetOperationState, sys_C_Login, sys_C_Logout, sys_C_CreateObject, sys_C_CopyObject, sys_C_DestroyObject, sys_C_GetObjectSize, sys_C_GetAttributeValue, sys_C_SetAttributeValue, sys_C_FindObjectsInit, sys_C_FindObjects, sys_C_FindObjectsFinal, sys_C_EncryptInit, sys_C_Encrypt, sys_C_EncryptUpdate, sys_C_EncryptFinal, sys_C_DecryptInit, sys_C_Decrypt, sys_C_DecryptUpdate, sys_C_DecryptFinal, sys_C_DigestInit, sys_C_Digest, sys_C_DigestUpdate, sys_C_DigestKey, sys_C_DigestFinal, sys_C_SignInit, sys_C_Sign, sys_C_SignUpdate, sys_C_SignFinal, sys_C_SignRecoverInit, sys_C_SignRecover, sys_C_VerifyInit, sys_C_Verify, sys_C_VerifyUpdate, sys_C_VerifyFinal, sys_C_VerifyRecoverInit, sys_C_VerifyRecover, sys_C_DigestEncryptUpdate, sys_C_DecryptDigestUpdate, sys_C_SignEncryptUpdate, sys_C_DecryptVerifyUpdate, sys_C_GenerateKey, sys_C_GenerateKeyPair, sys_C_WrapKey, sys_C_UnwrapKey, sys_C_DeriveKey, sys_C_SeedRandom, sys_C_GenerateRandom, sys_C_GetFunctionStatus, sys_C_CancelFunction, sys_C_WaitForSlotEvent }; #ifdef OS_WIN32 __declspec(dllexport) #endif CK_RV C_GetFunctionList (CK_FUNCTION_LIST_PTR_PTR list) { p11_library_init_once (); return sys_C_GetFunctionList (list); } CK_ULONG p11_module_next_id (void) { static CK_ULONG unique = 0x10; return (unique)++; } #ifdef OS_UNIX void p11_trust_module_init (void); void p11_trust_module_fini (void); #ifdef __GNUC__ __attribute__((constructor)) #endif void p11_trust_module_init (void) { p11_library_init_once (); } #ifdef __GNUC__ __attribute__((destructor)) #endif void p11_trust_module_fini (void) { p11_library_uninit (); } #endif /* OS_UNIX */ #ifdef OS_WIN32 BOOL WINAPI DllMain (HINSTANCE, DWORD, LPVOID); BOOL WINAPI DllMain (HINSTANCE instance, DWORD reason, LPVOID reserved) { switch (reason) { case DLL_PROCESS_ATTACH: p11_library_init (); break; case DLL_THREAD_DETACH: p11_library_thread_cleanup (); break; case DLL_PROCESS_DETACH: p11_library_uninit (); break; default: break; } return TRUE; } #endif /* OS_WIN32 */