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a58b45a4db
Set RSS capable in FSCTL_QUERY_NETWORK_INTERFACE_INFO if netdev has multi tx queues. And add ksmbd_compare_user() to avoid racy condition issue in ksmbd_free_user(). because windows client is simultaneously used to send session setup requests for multichannel connection. Tested-by: Ziwei Xie <zw.xie@high-flyer.cn> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com>
79 lines
1.6 KiB
C
79 lines
1.6 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (C) 2018 Samsung Electronics Co., Ltd.
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*/
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#include <linux/slab.h>
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#include <linux/mm.h>
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#include "user_config.h"
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#include "../transport_ipc.h"
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struct ksmbd_user *ksmbd_login_user(const char *account)
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{
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struct ksmbd_login_response *resp;
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struct ksmbd_user *user = NULL;
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resp = ksmbd_ipc_login_request(account);
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if (!resp)
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return NULL;
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if (!(resp->status & KSMBD_USER_FLAG_OK))
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goto out;
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user = ksmbd_alloc_user(resp);
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out:
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kvfree(resp);
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return user;
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}
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struct ksmbd_user *ksmbd_alloc_user(struct ksmbd_login_response *resp)
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{
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struct ksmbd_user *user = NULL;
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user = kmalloc(sizeof(struct ksmbd_user), GFP_KERNEL);
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if (!user)
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return NULL;
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user->name = kstrdup(resp->account, GFP_KERNEL);
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user->flags = resp->status;
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user->gid = resp->gid;
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user->uid = resp->uid;
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user->passkey_sz = resp->hash_sz;
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user->passkey = kmalloc(resp->hash_sz, GFP_KERNEL);
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if (user->passkey)
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memcpy(user->passkey, resp->hash, resp->hash_sz);
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if (!user->name || !user->passkey) {
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kfree(user->name);
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kfree(user->passkey);
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kfree(user);
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user = NULL;
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}
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return user;
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}
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void ksmbd_free_user(struct ksmbd_user *user)
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{
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ksmbd_ipc_logout_request(user->name, user->flags);
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kfree(user->name);
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kfree(user->passkey);
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kfree(user);
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}
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int ksmbd_anonymous_user(struct ksmbd_user *user)
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{
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if (user->name[0] == '\0')
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return 1;
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return 0;
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}
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bool ksmbd_compare_user(struct ksmbd_user *u1, struct ksmbd_user *u2)
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{
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if (strcmp(u1->name, u2->name))
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return false;
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if (memcmp(u1->passkey, u2->passkey, u1->passkey_sz))
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return false;
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return true;
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}
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