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75 lines
2.2 KiB
C
75 lines
2.2 KiB
C
/// Copyright 2014 Google Inc. All rights reserved.
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///
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/// Licensed under the Apache License, Version 2.0 (the "License");
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/// you may not use this file except in compliance with the License.
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/// You may obtain a copy of the License at
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///
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/// http://www.apache.org/licenses/LICENSE-2.0
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///
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/// Unless required by applicable law or agreed to in writing, software
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/// distributed under the License is distributed on an "AS IS" BASIS,
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/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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/// See the License for the specific language governing permissions and
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/// limitations under the License.
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/// Common defines between kernel <-> userspace
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#ifndef SANTA__COMMON__KERNELCOMMON_H
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#define SANTA__COMMON__KERNELCOMMON_H
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// Defines the lengths of paths and SHA-1's passed around.
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#define MAX_PATH_LEN 1024
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#define MAX_SHA1_LEN 20
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#define MAX_SHA1_STRING 41
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#define MAX_VNODE_ID_STR 21
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// Defines the name of the userclient class and the driver bundle ID.
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#define USERCLIENT_CLASS "com_google_SantaDriver"
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#define USERCLIENT_ID "com.google.santa-driver"
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// List of methods supported by the driver.
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enum SantaDriverMethods {
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kSantaUserClientOpen,
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kSantaUserClientClose,
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kSantaUserClientAllowBinary,
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kSantaUserClientDenyBinary,
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kSantaUserClientClearCache,
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kSantaUserClientCacheCount,
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// Any methods supported by the driver should be added above this line to
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// ensure this remains the count of methods.
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kSantaUserClientNMethods,
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};
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// Enum defining actions that can be passed down the IODataQueue and in
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// response methods.
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typedef enum {
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ACTION_UNSET = 0,
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// CHECKBW
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ACTION_REQUEST_CHECKBW = 10,
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ACTION_RESPOND_CHECKBW_ALLOW = 11,
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ACTION_RESPOND_CHECKBW_DENY = 12,
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// SHUTDOWN
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ACTION_REQUEST_SHUTDOWN = 60,
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// ERROR
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ACTION_ERROR = 99,
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} santa_action_t;
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#define RESPONSE_VALID(x) (x == ACTION_RESPOND_CHECKBW_ALLOW || \
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x == ACTION_RESPOND_CHECKBW_DENY)
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// Message struct that is sent down the IODataQueue.
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typedef struct {
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santa_action_t action;
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uid_t userId;
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pid_t pid;
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char sha1[MAX_SHA1_STRING];
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char path[MAX_PATH_LEN];
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uint64_t vnode_id;
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} santa_message_t;
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#endif // SANTA__COMMON__KERNELCOMMON_H
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