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Add some basic address validation to syscalls.

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This is extremely ineffcient, but it doesn't really matter yet.
This commit is contained in:
Andreas Kling 2018-10-27 00:25:08 +02:00
parent 2716a9e2d7
commit 509e5f9952
2 changed files with 43 additions and 1 deletions
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27
Kernel/types.h
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@ -41,6 +41,33 @@ struct utsname {
char machine[UTSNAME_ENTRY_LEN];
};
typedef dword ino_t;
typedef signed_dword off_t;
typedef dword dev_t;
typedef dword mode_t;
typedef dword nlink_t;
typedef dword blksize_t;
typedef dword blkcnt_t;
typedef dword time_t;
typedef dword suseconds_t;
struct stat {
dev_t st_dev; /* ID of device containing file */
ino_t st_ino; /* inode number */
mode_t st_mode; /* protection */
nlink_t st_nlink; /* number of hard links */
uid_t st_uid; /* user ID of owner */
gid_t st_gid; /* group ID of owner */
dev_t st_rdev; /* device ID (if special file) */
off_t st_size; /* total size, in bytes */
blksize_t st_blksize; /* blocksize for file system I/O */
blkcnt_t st_blocks; /* number of 512B blocks allocated */
time_t st_atime; /* time of last access */
time_t st_mtime; /* time of last modification */
time_t st_ctime; /* time of last status change */
};
struct FarPtr {
DWORD offset { 0 };
WORD selector { 0 };