函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:security\tomoyo\environ.c Create Date:2022-07-27 21:09:42
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：moyo_env_perm - Check permission for environment variable's name.*@r: Pointer to "struct tomoyo_request_info".*@env: The name of environment variable.* Returns 0 on success, negative value otherwise.* Caller holds tomoyo_read_lock().

函数原型：int tomoyo_env_perm(struct tomoyo_request_info *r, const char *env)

返回类型：int

参数：

类型参数名称
struct tomoyo_request_info *r
const char *env
55  如果非env或非env则返回:0
57  name等于env
58  tomoyo_fill_path_info( & environ)
59  param_type等于TOMOYO_TYPE_ENV_ACL
60  name等于environ
61  循环
62  moyo_check_acl - Do permission check.*@r: Pointer to "struct tomoyo_request_info".*@check_entry: Callback function to check type specific parameters.* Returns 0 on success, negative value otherwise.* Caller holds tomoyo_read_lock().
63  error等于moyo_audit_env_log - Audit environment variable name log.*@r: Pointer to "struct tomoyo_request_info".* Returns 0 on success, negative value otherwise.
64  当error恒等于Retry this request. Returned by tomoyo_supervisor() if policy violation has* occurred in enforcing mode and the userspace daemon decided to retry.* We must choose a positive value in order to distinguish "granted" (which is循环
65  返回:error
调用者
名称描述
tomoyo_environmoyo_environ - Check permission for environment variable names.*@ee: Pointer to "struct tomoyo_execve".* Returns 0 on success, negative value otherwise.