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#ifndef _SYSTRACE_H_
#define _SYSTRACE_H_
#include <sys/ioccom.h>
#define SYSTR_CLONE _IOR('s', 1, int)
#define SYSTR_EMULEN 8 /* sync with sys proc */
struct str_msg_emul {
char emul[SYSTR_EMULEN];
};
#define SYSTR_MAX_POLICIES 64
#define SYSTR_MAXARGS 64
struct str_msg_ask {
int code;
int argsize;
register_t args[SYSTR_MAXARGS];
register_t rval[2];
int result;
};
/* Queued on fork or exit of a process */
struct str_msg_child {
pid_t new_pid;
};
#define SYSTR_MSG_ASK 1
#define SYSTR_MSG_RES 2
#define SYSTR_MSG_EMUL 3
#define SYSTR_MSG_CHILD 4
#define SYSTR_MSG_NOPROCESS(x) \
((x)->msg.msg_type == SYSTR_MSG_CHILD)
struct str_message {
int msg_type;
pid_t msg_pid;
short msg_policy;
short reserved;
union {
struct str_msg_emul msg_emul;
struct str_msg_ask msg_ask;
struct str_msg_child msg_child;
} msg_data;
};
struct systrace_answer {
pid_t stra_pid;
int stra_policy;
int stra_error;
int stra_flags;
};
#define SYSTR_READ 1
#define SYSTR_WRITE 2
struct systrace_io {
pid_t strio_pid;
int strio_op;
void *strio_offs;
void *strio_addr;
size_t strio_len;
};
#define SYSTR_POLICY_NEW 1
#define SYSTR_POLICY_ASSIGN 2
#define SYSTR_POLICY_MODIFY 3
struct systrace_policy {
int strp_op;
int strp_num;
union {
struct {
short code;
short policy;
} assign;
pid_t pid;
int maxents;
} strp_data;
};
#define strp_pid strp_data.pid
#define strp_maxents strp_data.maxents
#define strp_code strp_data.assign.code
#define strp_policy strp_data.assign.policy
#define STRIOCATTACH _IOW('s', 101, pid_t)
#define STRIOCDETACH _IOW('s', 102, pid_t)
#define STRIOCANSWER _IOW('s', 103, struct systrace_answer)
#define STRIOCIO _IOWR('s', 104, struct systrace_io)
#define STRIOCPOLICY _IOWR('s', 105, struct systrace_policy)
#define STRIOCGETCWD _IOW('s', 106, pid_t)
#define STRIOCRESCWD _IO('s', 107)
#define SYSTR_POLICY_ASK 0
#define SYSTR_POLICY_PERMIT 1
#define SYSTR_POLICY_NEVER 2
#define SYSTR_FLAGS_RESULT 0x001
#ifdef _KERNEL
struct str_process;
struct fsystrace {
struct lock lock;
struct selinfo si;
TAILQ_HEAD(strprocessq, str_process) processes;
int nprocesses;
TAILQ_HEAD(strpolicyq, str_policy) policies;
struct strprocessq messages;
int npolicynr;
int npolicies;
int issuser;
/* cwd magic */
pid_t fd_pid;
struct vnode *fd_cdir;
struct vnode *fd_rdir;
};
/* Internal prototypes */
int systrace_redirect(int, struct proc *, void *, register_t *);
void systrace_exit(struct proc *);
void systrace_fork(struct proc *, struct proc *);
#endif /* _KERNEL */
#endif /* _SYSTRACE_H_ */
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