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| author | kib <kib@FreeBSD.org> | 2015-01-18 15:13:11 +0000 |
|---|---|---|
| committer | kib <kib@FreeBSD.org> | 2015-01-18 15:13:11 +0000 |
| commit | aa0ac99391af2cc2286fadd774dc5cf9f2edb7a6 (patch) | |
| tree | 406845e7428cb2139db4e8afc4299216a84a92a7 /sys/kern/kern_sig.c | |
| parent | 53832db395278d76a34a15ca534f509564a51dc5 (diff) | |
| download | FreeBSD-src-aa0ac99391af2cc2286fadd774dc5cf9f2edb7a6.zip FreeBSD-src-aa0ac99391af2cc2286fadd774dc5cf9f2edb7a6.tar.gz | |
Add procctl(2) PROC_TRACE_CTL command to enable or disable debugger
attachment to the process. Note that the command is not intended to
be a security measure, rather it is an obfuscation feature,
implemented for parity with other operating systems.
Discussed with: jilles, rwatson
Man page fixes by: rwatson
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Diffstat (limited to 'sys/kern/kern_sig.c')
| -rw-r--r-- | sys/kern/kern_sig.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/kern/kern_sig.c b/sys/kern/kern_sig.c index e60e09d..45cb4b9 100644 --- a/sys/kern/kern_sig.c +++ b/sys/kern/kern_sig.c @@ -3247,7 +3247,8 @@ coredump(struct thread *td) MPASS((p->p_flag & P_HADTHREADS) == 0 || p->p_singlethread == td); _STOPEVENT(p, S_CORE, 0); - if (!do_coredump || (!sugid_coredump && (p->p_flag & P_SUGID) != 0)) { + if (!do_coredump || (!sugid_coredump && (p->p_flag & P_SUGID) != 0) || + (p->p_flag2 & P2_NOTRACE) != 0) { PROC_UNLOCK(p); return (EFAULT); } |
