static void fs_compress_write_stream(struct fs_file *_file)
{
struct compress_fs_file *file = (struct compress_fs_file *)_file;
i_assert(_file->output == NULL);
file->temp_output =
iostream_temp_create_named(_file->fs->temp_path_prefix,
IOSTREAM_TEMP_FLAG_TRY_FD_DUP,
fs_file_path(_file));
_file->output = file->fs->handler->
create_ostream(file->temp_output, file->fs->compress_level);
}
static void fs_crypt_write_stream(struct fs_file *_file)
{
struct crypt_fs_file *file = (struct crypt_fs_file *)_file;
const char *error;
i_assert(_file->output == NULL);
if (fs_crypt_load_keys(file->fs, &error) < 0) {
_file->output = o_stream_create_error_str(EIO,
"Couldn't read settings: %s", error);
return;
}
if (file->fs->keys.public_key == NULL) {
if (_file->fs->set.debug)
i_debug("No public key provided, "
"NOT encrypting stream %s",
fs_file_path(_file));
file->super_output = fs_write_stream(_file->parent);
_file->output = file->super_output;
return;
}
enum io_stream_encrypt_flags flags;
if (strstr(file->fs->enc_algo, "gcm") != NULL ||
strstr(file->fs->enc_algo, "ccm") != NULL) {
flags = IO_STREAM_ENC_INTEGRITY_AEAD;
} else {
flags = IO_STREAM_ENC_INTEGRITY_HMAC;
}
file->temp_output =
iostream_temp_create_named(_file->fs->temp_path_prefix,
IOSTREAM_TEMP_FLAG_TRY_FD_DUP,
fs_file_path(_file));
_file->output = o_stream_create_encrypt(file->temp_output,
file->fs->enc_algo, file->fs->keys.public_key,
flags);
}
struct ostream *iostream_temp_create(const char *temp_path_prefix,
enum iostream_temp_flags flags)
{
return iostream_temp_create_named(temp_path_prefix, flags, "");
}
