LSM_HOOK_INIT(file_permission, selinux_file_permission), LSM_HOOK_INIT(file_alloc_security, selinux_file_alloc_security), LSM_HOOK_INIT(file_free_security, selinux_file_free_security), LSM_HOOK_INIT(file_ioctl, selinux_file_ioctl), LSM_HOOK_INIT(mmap_file, selinux_mmap_file), LSM_HOOK...
FSCTL_SHUFFLE_FILE IOCTL FSRTL_ADVANCED_FCB_HEADER結構 FSRTL_CHANGE_BACKING_TYPE列舉 FSRTL_COMMON_FCB_HEADER結構 FSRTL_PER_FILE_CONTEXT 結構 FSRTL_PER_FILEOBJECT_CONTEXT結構 FSRTL_PER_STREAM_CONTEXT結構 FsRtlAcknowledgeEcp 函式 FsRtlAcquireFileExclusive 函式 FsRtlAddBaseMcbEntryEx 函式 FsRtlA...
要知道每个spi_device 就代表一个spi 从设备,有了cdev(里面包含file_operations),又有/dev/ 目录下的设备节点,我们不就可以使用文件IO 来读写spi从设备了嘛(按照i2c_dev.c 驱动的经验在file_operations 的read、write、ioctl 函数中肯定会调用spi 的读写函数来访问spi 从设备)。 那么到底什么样的从设备可以使用...
set_to_cap_if_null(ops,file_permission); set_to_cap_if_null(ops,file_alloc_security); set_to_cap_if_null(ops,file_free_security); set_to_cap_if_null(ops,file_ioctl); set_to_cap_if_null(ops,mmap_addr); set_to_cap_if_null(ops,mmap_file); set_to_cap_if_null(ops,file_mprot...
如file_permission(),该钩子函数在访问一个打开的文件前调用,包括读文件和写文件;file_ioctl(),该钩子函数在文件执行ioctl操作中调用。 file_alloc_security()函数 file_alloc_security()函数用以打开文件时给file结构体分配安全域,其调用过程为: file_alloc_security 钩子函数的调用过程 其中调用get_empty_filp()...
The TUN/TAP driver provides a virtual network device which performs packet tunneling; it's useful in a number of situations, including virtualization, virtual private networks, and more. In normal usage of the TUN driver, a program will open /dev/net/tun, then make an ioctl() call to set...
BZ - 2106396- avc: denied { ioctl } for pid=510216 comm="iptables" path="/var/lib/containers/storage/overlay/7d65c03c0ff08daf6366d735723151aa1f2cf165d51be30f62bded9ed586b838/merged" dev="overlay" ino=42308193 scontext=unconfined_u:system_r:iptables_t:s0-s0:c0.c1023 ...
MS14-070Vulnerability in TCP/IP Could Allow Elevation of Privilege (2989935)\ \ This security update resolves a publically reported vulnerability in TCP/IP that occurs during input/output control (IOCTL) processing. This vulnerability could allow elevation of privilege if an attacker logs on to a...
allow httpd_t net_conf_t:file { read getattr lock ioctl }; SELinux 从 Flask 安全子系统中继承了使用标签定义操作系统对象和主体的安全上下文的结构和规则,以及 “域类型” 模型。要确保实现整体保护,必须对系统中的每个对象和主体定义安全上下文。标签采用以下形式: ...
when IOCTLs are sent by user-mode callers, the driver code can include theIoValidateDeviceIoControlAccessfunction. This function allows a driver to check access rights. Upon receiving an IOCTL, a driver can callIoValidateDeviceIoControlAccess, specifying FILE_READ_ACCESS, FILE_WRITE_ACCESS, or both...