diff options
Diffstat (limited to 'sys/kern/kern_sig.c')
| -rw-r--r-- | sys/kern/kern_sig.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/sys/kern/kern_sig.c b/sys/kern/kern_sig.c index e1861eb..26ef0d7 100644 --- a/sys/kern/kern_sig.c +++ b/sys/kern/kern_sig.c @@ -41,12 +41,14 @@ __FBSDID("$FreeBSD$"); #include "opt_kdtrace.h" #include "opt_ktrace.h" #include "opt_core.h" +#include "opt_procdesc.h" #include <sys/param.h> #include <sys/systm.h> #include <sys/signalvar.h> #include <sys/vnode.h> #include <sys/acct.h> +#include <sys/capability.h> #include <sys/condvar.h> #include <sys/event.h> #include <sys/fcntl.h> @@ -59,6 +61,7 @@ __FBSDID("$FreeBSD$"); #include <sys/mutex.h> #include <sys/namei.h> #include <sys/proc.h> +#include <sys/procdesc.h> #include <sys/posix4.h> #include <sys/pioctl.h> #include <sys/racct.h> @@ -1698,6 +1701,34 @@ kill(struct thread *td, struct kill_args *uap) /* NOTREACHED */ } +int +pdkill(td, uap) + struct thread *td; + struct pdkill_args *uap; +{ +#ifdef PROCDESC + struct proc *p; + int error; + + AUDIT_ARG_SIGNUM(uap->signum); + AUDIT_ARG_FD(uap->fd); + if ((u_int)uap->signum > _SIG_MAXSIG) + return (EINVAL); + + error = procdesc_find(td, uap->fd, CAP_PDKILL, &p); + if (error) + return (error); + AUDIT_ARG_PROCESS(p); + error = p_cansignal(td, p, uap->signum); + if (error == 0 && uap->signum) + psignal(p, uap->signum); + PROC_UNLOCK(p); + return (error); +#else + return (ENOSYS); +#endif +} + #if defined(COMPAT_43) #ifndef _SYS_SYSPROTO_H_ struct okillpg_args { |
