diff options
| author | dg <dg@FreeBSD.org> | 1998-06-28 08:37:45 +0000 |
|---|---|---|
| committer | dg <dg@FreeBSD.org> | 1998-06-28 08:37:45 +0000 |
| commit | 30d4d38f8da3572b557496f2df184adf22cdf3a2 (patch) | |
| tree | 6378ec8bf6d12b86941c5ab818a34d5bad5e5c64 /sys/kern/kern_sig.c | |
| parent | 110fbf62fd06296eec10ec704fa82036d8ec4807 (diff) | |
| download | FreeBSD-src-30d4d38f8da3572b557496f2df184adf22cdf3a2.zip FreeBSD-src-30d4d38f8da3572b557496f2df184adf22cdf3a2.tar.gz | |
Added a sysctl variable kern.sugid_coredump for controlling coredump
behavior of setuid/setgid binaries that defaults to 0 (coredump disabled).
Diffstat (limited to 'sys/kern/kern_sig.c')
| -rw-r--r-- | sys/kern/kern_sig.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/sys/kern/kern_sig.c b/sys/kern/kern_sig.c index 9026fb2..da79328 100644 --- a/sys/kern/kern_sig.c +++ b/sys/kern/kern_sig.c @@ -36,7 +36,7 @@ * SUCH DAMAGE. * * @(#)kern_sig.c 8.7 (Berkeley) 4/18/94 - * $Id: kern_sig.c,v 1.40 1998/03/03 20:55:26 tegge Exp $ + * $Id: kern_sig.c,v 1.41 1998/06/07 17:11:35 dfr Exp $ */ #include "opt_compat.h" @@ -44,6 +44,7 @@ #define SIGPROP /* include signal properties table */ #include <sys/param.h> +#include <sys/kernel.h> #include <sys/sysproto.h> #include <sys/signalvar.h> #include <sys/resourcevar.h> @@ -59,6 +60,7 @@ #include <sys/syslog.h> #include <sys/stat.h> #include <sys/sysent.h> +#include <sys/sysctl.h> #include <machine/cpu.h> #ifdef SMP @@ -89,6 +91,9 @@ static void stop __P((struct proc *)); (pc)->pc_ucred->cr_uid == (q)->p_ucred->cr_uid || \ ((signum) == SIGCONT && (q)->p_session == (p)->p_session)) +static int sugid_coredump; +SYSCTL_INT(_kern, OID_AUTO, sugid_coredump, CTLFLAG_RW, &sugid_coredump, 0, ""); + #ifndef _SYS_SYSPROTO_H_ struct sigaction_args { int signum; @@ -1259,7 +1264,7 @@ coredump(p) STOPEVENT(p, S_CORE, 0); - if (p->p_flag & P_SUGID) + if (sugid_coredump == 0 && p->p_flag & P_SUGID) return (EFAULT); if (ctob(UPAGES + vm->vm_dsize + vm->vm_ssize) >= p->p_rlimit[RLIMIT_CORE].rlim_cur) |
