void dbox_file_free(struct dbox_file *file)
{
i_assert(file->refcount == 0);
if (file->metadata_pool != NULL)
pool_unref(&file->metadata_pool);
dbox_file_close(file);
i_free(file->primary_path);
i_free(file->alt_path);
i_free(file);
}
int dbox_file_fix(struct dbox_file *file, uoff_t start_offset)
{
struct ostream *output;
const char *dir, *p, *temp_path, *broken_path;
bool deleted;
int fd, ret;
i_assert(dbox_file_is_open(file));
p = strrchr(file->cur_path, '/');
i_assert(p != NULL);
dir = t_strdup_until(file->cur_path, p);
temp_path = t_strdup_printf("%s/%s", dir, dbox_generate_tmp_filename());
fd = file->storage->v.file_create_fd(file, temp_path, FALSE);
if (fd == -1)
return -1;
output = o_stream_create_fd_file(fd, 0, FALSE);
ret = dbox_file_fix_write_stream(file, start_offset, temp_path, output);
o_stream_unref(&output);
if (close(fd) < 0) {
mail_storage_set_critical(&file->storage->storage,
"close(%s) failed: %m", temp_path);
ret = -1;
}
if (ret < 0) {
if (unlink(temp_path) < 0) {
mail_storage_set_critical(&file->storage->storage,
"unlink(%s) failed: %m", temp_path);
}
return -1;
}
/* keep a copy of the original file in case someone wants to look
at it */
broken_path = t_strconcat(file->cur_path,
DBOX_MAIL_FILE_BROKEN_COPY_SUFFIX, NULL);
if (link(file->cur_path, broken_path) < 0) {
mail_storage_set_critical(&file->storage->storage,
"link(%s, %s) failed: %m",
file->cur_path, broken_path);
} else {
i_warning("dbox: Copy of the broken file saved to %s",
broken_path);
}
if (rename(temp_path, file->cur_path) < 0) {
mail_storage_set_critical(&file->storage->storage,
"rename(%s, %s) failed: %m",
temp_path, file->cur_path);
return -1;
}
/* file was successfully recreated - reopen it */
dbox_file_close(file);
if (dbox_file_open(file, &deleted) <= 0) {
mail_storage_set_critical(&file->storage->storage,
"dbox_file_fix(%s): reopening file failed",
file->cur_path);
return -1;
}
return 0;
}
