Differential D40676 Diff 136659 sys/kern/kern_ktrace.c

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sys/kern/kern_ktrace.c

Show First 20 Lines • Show All 917 Lines • ▼ Show 20 Lines	ktrstructarray(const char name, enum uio_seg seg, const void data,
ksa = &req->ktr_data.ktr_struct_array;		ksa = &req->ktr_data.ktr_struct_array;
ksa->struct_size = struct_size;		ksa->struct_size = struct_size;
req->ktr_buffer = buf;		req->ktr_buffer = buf;
req->ktr_header.ktr_len = buflen;		req->ktr_header.ktr_len = buflen;
ktr_submitrequest(curthread, req);		ktr_submitrequest(curthread, req);
}		}

void		void
ktrcapfail(enum ktr_cap_fail_type type, const cap_rights_t *needed,		ktrcapfail(enum ktr_cap_violation type, const void *data)
const cap_rights_t *held)
{		{
struct thread *td = curthread;		struct thread *td = curthread;
struct ktr_request *req;		struct ktr_request *req;
struct ktr_cap_fail *kcf;		struct ktr_cap_fail *kcf;
		union ktr_cap_data *kcd;

if (__predict_false(curthread->td_pflags & TDP_INKTRACE))		if (__predict_false(td->td_pflags & TDP_INKTRACE))
return;		return;
		if (type != CAPFAIL_SYSCALL &&
		(td->td_sa.callp->sy_flags & SYF_CAPENABLED) == 0)
		return;

req = ktr_getrequest(KTR_CAPFAIL);		req = ktr_getrequest(KTR_CAPFAIL);
if (req == NULL)		if (req == NULL)
return;		return;
kcf = &req->ktr_data.ktr_cap_fail;		kcf = &req->ktr_data.ktr_cap_fail;
kcf->cap_type = type;		kcf->cap_type = type;
if (needed != NULL)		kcf->cap_code = td->td_sa.code;
kcf->cap_needed = *needed;		kcf->cap_svflags = td->td_proc->p_sysent->sv_flags;
else		if (data != NULL) {
cap_rights_init(&kcf->cap_needed);		kcd = &kcf->cap_data;
if (held != NULL)		switch (type) {
kcf->cap_held = *held;		case CAPFAIL_NOTCAPABLE:
else		case CAPFAIL_INCREASE:
cap_rights_init(&kcf->cap_held);		kcd->cap_needed = (const cap_rights_t )data;
		kcd->cap_held = ((const cap_rights_t )data + 1);
		break;
		case CAPFAIL_SYSCALL:
		case CAPFAIL_SIGNAL:
		case CAPFAIL_PROTO:
		kcd->cap_int = (const int )data;
		break;
		case CAPFAIL_SOCKADDR:
		kcd->cap_sockaddr = (const struct sockaddr )data;
		break;
		case CAPFAIL_NAMEI:
		strlcpy(kcd->cap_path, data, MAXPATHLEN);
		break;
		case CAPFAIL_CPUSET:
		default:
		break;
		}
		}
ktr_enqueuerequest(td, req);		ktr_enqueuerequest(td, req);
ktrace_exit(td);		ktrace_exit(td);
}		}

void		void
ktrfault(vm_offset_t vaddr, int type)		ktrfault(vm_offset_t vaddr, int type)
{		{
struct thread *td = curthread;		struct thread *td = curthread;
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