static GkmObject* factory_create_item (GkmSession *session, GkmTransaction *transaction, CK_ATTRIBUTE_PTR attrs, CK_ULONG n_attrs) { GkmSecretCollection *collection = NULL; GkmSecretItem *item; GkmManager *m_manager; GkmManager *s_manager; CK_ATTRIBUTE *attr; gboolean is_token; gchar *identifier; g_return_val_if_fail (GKM_IS_TRANSACTION (transaction), NULL); g_return_val_if_fail (attrs || !n_attrs, NULL); /* See if a collection attribute was specified */ attr = gkm_attributes_find (attrs, n_attrs, CKA_G_COLLECTION); if (attr == NULL) { gkm_transaction_fail (transaction, CKR_TEMPLATE_INCOMPLETE); return NULL; } m_manager = gkm_module_get_manager (gkm_session_get_module (session)); s_manager = gkm_session_get_manager (session); gkm_attribute_consume (attr); if (!gkm_attributes_find_boolean (attrs, n_attrs, CKA_TOKEN, &is_token)) collection = gkm_secret_collection_find (session, attr, m_manager, s_manager, NULL); else if (is_token) collection = gkm_secret_collection_find (session, attr, m_manager, NULL); else collection = gkm_secret_collection_find (session, attr, s_manager, NULL); if (!collection) { gkm_transaction_fail (transaction, CKR_TEMPLATE_INCONSISTENT); return NULL; } /* If an ID was specified, then try and see if that ID already exists */ if (gkm_attributes_find_string (attrs, n_attrs, CKA_ID, &identifier)) { item = gkm_secret_collection_get_item (collection, identifier); if (item == NULL) { gkm_transaction_fail (transaction, CKR_TEMPLATE_INCONSISTENT); return NULL; } else { gkm_session_complete_object_creation (session, transaction, GKM_OBJECT (item), FALSE, attrs, n_attrs); return g_object_ref (item); } } /* Create a new collection which will own the item */ item = gkm_secret_collection_create_item (collection, transaction); gkm_session_complete_object_creation (session, transaction, GKM_OBJECT (item), TRUE, attrs, n_attrs); return g_object_ref (item); }
static void remove_unavailable_item (gpointer key, gpointer dummy, gpointer user_data) { /* Called to remove items from a keyring that no longer exist */ GkmSecretCollection *collection = user_data; GkmSecretItem *item; g_assert (GKM_IS_SECRET_COLLECTION (collection)); item = gkm_secret_collection_get_item (collection, key); if (item != NULL) gkm_secret_collection_remove_item (collection, item); }
GkmDataResult gkm_secret_binary_read (GkmSecretCollection *collection, GkmSecretData *sdata, gconstpointer data, gsize n_data) { gsize offset; guchar major, minor, crypto, hash; guint32 flags; guint32 lock_timeout; time_t mtime, ctime; char *display_name; guint32 tmp; guint32 num_items; guint32 crypto_size; guint32 hash_iterations; guchar salt[8]; ItemInfo *items; GkmSecret* master; GkmSecretObject *obj; EggBuffer to_decrypt = EGG_BUFFER_EMPTY; GkmDataResult res = GKM_DATA_FAILURE; GHashTable *checks = NULL; GkmSecretItem *item; EggBuffer buffer; GList *l, *iteml; int i; display_name = NULL; items = 0; obj = GKM_SECRET_OBJECT (collection); /* The buffer we read from */ egg_buffer_init_static (&buffer, data, n_data); if (buffer.len < KEYRING_FILE_HEADER_LEN || memcmp (buffer.buf, KEYRING_FILE_HEADER, KEYRING_FILE_HEADER_LEN) != 0) { egg_buffer_uninit (&buffer); return GKM_DATA_UNRECOGNIZED; } offset = KEYRING_FILE_HEADER_LEN; major = buffer.buf[offset++]; minor = buffer.buf[offset++]; crypto = buffer.buf[offset++]; hash = buffer.buf[offset++]; if (major != 0 || minor != 0 || crypto != 0 || hash != 0) { egg_buffer_uninit (&buffer); return GKM_DATA_UNRECOGNIZED; } if (!buffer_get_utf8_string (&buffer, offset, &offset, &display_name) || !buffer_get_time (&buffer, offset, &offset, &ctime) || !buffer_get_time (&buffer, offset, &offset, &mtime) || !egg_buffer_get_uint32 (&buffer, offset, &offset, &flags) || !egg_buffer_get_uint32 (&buffer, offset, &offset, &lock_timeout) || !egg_buffer_get_uint32 (&buffer, offset, &offset, &hash_iterations) || !buffer_get_bytes (&buffer, offset, &offset, salt, 8)) goto bail; for (i = 0; i < 4; i++) { if (!egg_buffer_get_uint32 (&buffer, offset, &offset, &tmp)) goto bail; } if (!egg_buffer_get_uint32 (&buffer, offset, &offset, &num_items)) goto bail; items = g_new0 (ItemInfo, num_items + 1); /* Hashed data, without secrets */ if (!read_hashed_item_info (&buffer, &offset, items, num_items)) goto bail; if (!egg_buffer_get_uint32 (&buffer, offset, &offset, &crypto_size)) goto bail; /* Make the crypted part is the right size */ if (crypto_size % 16 != 0) goto bail; /* Ensure the file is large enough to hold all the data (in case it got truncated) */ if (buffer.len < offset + crypto_size) goto bail; /* Copy the data into to_decrypt into non-pageable memory */ egg_buffer_set_allocator (&to_decrypt, egg_secure_realloc); egg_buffer_reserve (&to_decrypt, crypto_size); memcpy (to_decrypt.buf, buffer.buf + offset, crypto_size); to_decrypt.len = crypto_size; if (sdata != NULL) { master = gkm_secret_data_get_master (sdata); if (!decrypt_buffer (&to_decrypt, master, salt, hash_iterations)) goto bail; if (!verify_decrypted_buffer (&to_decrypt)) { res = GKM_DATA_LOCKED; goto bail; } else { offset = 16; /* Skip hash */ if (!read_full_item_info (&to_decrypt, &offset, items, num_items)) goto bail; } } /* Correctly read all data, possibly including the decrypted data. * Now update the keyring and items: */ gkm_secret_object_set_label (obj, display_name); gkm_secret_object_set_modified (obj, mtime); gkm_secret_object_set_created (obj, ctime); if (flags & LOCK_ON_IDLE_FLAG) gkm_secret_collection_set_lock_idle (collection, lock_timeout); else if (flags & LOCK_AFTER_FLAG) gkm_secret_collection_set_lock_after (collection, lock_timeout); /* Build a Hash table where we can track ids we haven't yet seen */ checks = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL); iteml = gkm_secret_collection_get_items (collection); for (l = iteml; l; l = g_list_next (l)) g_hash_table_insert (checks, g_strdup (gkm_secret_object_get_identifier (l->data)), "unused"); g_list_free (iteml); for (i = 0; i < num_items; i++) { /* We've seen this id */ g_hash_table_remove (checks, items[i].identifier); item = gkm_secret_collection_get_item (collection, items[i].identifier); if (item == NULL) item = gkm_secret_collection_new_item (collection, items[i].identifier); setup_item_from_info (item, sdata, &items[i]); } g_hash_table_foreach (checks, remove_unavailable_item, collection); res = GKM_DATA_SUCCESS; bail: egg_buffer_uninit (&to_decrypt); if (checks) g_hash_table_destroy (checks); g_free (display_name); for (i = 0; items && i < num_items; i++) free_item_info (&items[i]); g_free (items); return res; }