cred.h

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#ifndef __CRED_H__
#define __CRED_H__
 
#include <Cred/group.h>
#include <Cred/user.h>
#include <Fs/vfs.h>
#include <process.h>
 
#define CRED_CAP_SETUID                0
#define CRED_CAP_SETGID                1
#define CRED_CAP_BYPASS_PERM_CHECK     2
#define CRED_CAP_BYPASS_SECURITY_CHECK 3
#define CRED_CAP_IPC                   4
#define CRED_CAP_SETCAP                5
 
#define CRED_IS_CAPABLE(a, b) ((a >> b) & 0x1)
 
#define CRED_SET_CAP(b) (1ULL << b)
 
#define CRED_SET_CAP_ROOT(proc) (proc->creds.caps = UINT8_MAX)
 
#define CRED_MARK_ROOT(proc)                                                                       \
    proc->creds.uid = 0;                                                                           \
    proc->creds.gid = 0
 
extern int AuCredChangeID(int fd, UID_NUM uid, GID_NUM gid);
 
extern int AuCredAddSGroup(int proc_id, int sgid);
 
extern int AuCredSetCap(int proc_id, int cap);
 
extern int AuCredGetCap(int proc_id);
 
extern int AuCredCheckPermissions(AuVFSNode* node, AuProcCredentials* cred);
 
extern int AuSetUID(int proc_id, UID_NUM uid);
 
extern int AuSetGID(int proc_id, GID_NUM gid);
 
extern bool AuCredIsRoot(AuProcCredentials* c);
 
extern bool AuCredInGroup(AuProcCredentials* c, GID_NUM gid);
 
#endif