struct istream *
istream_attachment_connector_finish(struct istream_attachment_connector **_conn)
{
struct istream_attachment_connector *conn = *_conn;
struct istream **inputs, *input;
uoff_t trailer_size;
*_conn = NULL;
if (conn->base_input_offset != conn->msg_size) {
i_assert(conn->base_input_offset < conn->msg_size);
trailer_size = conn->msg_size - conn->encoded_offset;
input = i_stream_create_range(conn->base_input,
conn->base_input_offset,
trailer_size);
array_append(&conn->streams, &input, 1);
}
array_append_zero(&conn->streams);
inputs = array_idx_modifiable(&conn->streams, 0);
input = i_stream_create_concat(inputs);
i_stream_unref(&conn->base_input);
pool_unref(&conn->pool);
return input;
}
static struct istream *
mbox_save_get_input_stream(struct mbox_save_context *ctx, struct istream *input)
{
struct istream *filter, *ret, *cache_input, *streams[3];
/* filter out unwanted headers and keep track of headers' MD5 sum */
filter = i_stream_create_header_filter(input, HEADER_FILTER_EXCLUDE |
HEADER_FILTER_NO_CR |
HEADER_FILTER_ADD_MISSING_EOH |
HEADER_FILTER_END_BODY_WITH_LF,
mbox_save_drop_headers,
mbox_save_drop_headers_count,
save_header_callback, ctx);
if ((ctx->mbox->storage->storage.flags &
MAIL_STORAGE_FLAG_KEEP_HEADER_MD5) != 0) {
/* we're using MD5 sums to generate POP3 UIDLs.
clients don't like it much if there are duplicates,
so make sure that there can't be any by appending
our own X-Delivery-ID header. */
const char *hdr;
T_BEGIN {
mbox_save_x_delivery_id(ctx);
} T_END;
hdr = ctx->x_delivery_id_header;
streams[0] = i_stream_create_from_data(hdr, strlen(hdr));
streams[1] = filter;
streams[2] = NULL;
ret = i_stream_create_concat(streams);
i_stream_unref(&filter);
filter = ret;
}
/* convert linefeeds to wanted format */
ret = ctx->mbox->storage->storage.set->mail_save_crlf ?
i_stream_create_crlf(filter) : i_stream_create_lf(filter);
i_stream_unref(&filter);
if (ctx->ctx.dest_mail != NULL) {
/* caching creates a tee stream */
cache_input =
index_mail_cache_parse_init(ctx->ctx.dest_mail, ret);
i_stream_unref(&ret);
ret = cache_input;
}
return ret;
}
static int
sieve_attribute_retrieve_script(struct mail_storage *storage,
struct sieve_storage *svstorage, struct sieve_script *script,
bool add_type_prefix,
struct mail_attribute_value *value_r, const char **errorstr_r)
{
static char type = MAILBOX_ATTRIBUTE_SIEVE_DEFAULT_SCRIPT;
struct istream *input, *inputs[3];
const struct stat *st;
enum sieve_error error;
if (script == NULL)
*errorstr_r = sieve_storage_get_last_error(svstorage, &error);
else if (sieve_script_get_stream(script, &input, &error) < 0)
sieve_script_unref(&script);
if (script == NULL) {
if (error == SIEVE_ERROR_NOT_FOUND) {
/* already deleted, but return the last_change */
(void)sieve_storage_get_last_change(svstorage,
&value_r->last_change);
return 0;
}
*errorstr_r = sieve_storage_get_last_error(svstorage, &error);
return -1;
}
if (i_stream_stat(input, FALSE, &st) < 0) {
mail_storage_set_critical(storage,
"stat(%s) failed: %m", i_stream_get_name(input));
} else {
value_r->last_change = st->st_mtime;
}
if (!add_type_prefix) {
i_stream_ref(input);
value_r->value_stream = input;
} else {
inputs[0] = i_stream_create_from_data(&type, 1);
inputs[1] = input;
inputs[2] = NULL;
value_r->value_stream = i_stream_create_concat(inputs);
i_stream_unref(&inputs[0]);
}
sieve_script_unref(&script);
return 1;
}
