// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2018 Samsung Electronics Co., Ltd. */ #include <linux/slab.h> #include <linux/mm.h> #include "user_config.h" #include "../transport_ipc.h" struct ksmbd_user *ksmbd_login_user(const char *account) { struct ksmbd_login_response *resp; struct ksmbd_user *user = NULL; resp = ksmbd_ipc_login_request(account); if (!resp) return NULL; if (!(resp->status & KSMBD_USER_FLAG_OK)) goto out; user = ksmbd_alloc_user(resp); out: kvfree(resp); return user; } struct ksmbd_user *ksmbd_alloc_user(struct ksmbd_login_response *resp) { struct ksmbd_user *user = NULL; user = kmalloc(sizeof(struct ksmbd_user), GFP_KERNEL); if (!user) return NULL; user->name = kstrdup(resp->account, GFP_KERNEL); user->flags = resp->status; user->gid = resp->gid; user->uid = resp->uid; user->passkey_sz = resp->hash_sz; user->passkey = kmalloc(resp->hash_sz, GFP_KERNEL); if (user->passkey) memcpy(user->passkey, resp->hash, resp->hash_sz); if (!user->name || !user->passkey) { kfree(user->name); kfree(user->passkey); kfree(user); user = NULL; } return user; } void ksmbd_free_user(struct ksmbd_user *user) { ksmbd_ipc_logout_request(user->name, user->flags); kfree(user->name); kfree(user->passkey); kfree(user); } int ksmbd_anonymous_user(struct ksmbd_user *user) { if (user->name[0] == '\0') return 1; return 0; }