Index: sbin/sysctl/sysctl.c =================================================================== --- sbin/sysctl/sysctl.c +++ sbin/sysctl/sysctl.c @@ -957,6 +957,7 @@ static int show_var(int *oid, int nlen, bool honor_skip) { + static int skip_len = 0, skip_oid[CTL_MAXNAME]; u_char buf[BUFSIZ], *val, *oval, *p; char name[BUFSIZ], fmt[BUFSIZ]; const char *sep, *sep1, *prntype; @@ -1026,9 +1027,27 @@ return (0); } + /* keep track of encountered skip nodes, ignoring descendants */ + if (skip_len == 0 && (kind & CTLFLAG_SKIP) != 0) { + /* Save this oid so we can skip descendants. */ + skip_len = nlen * sizeof(int); + memcpy(skip_oid, oid, skip_len); + } + /* bail before fetching the value if we're honoring skip */ - if (honor_skip && (kind & CTLFLAG_SKIP) != 0) - return (1); + if (honor_skip) { + if (skip_len == 0) { + /* Bail if this is a skip node. */ + if ((kind & CTLFLAG_SKIP) != 0) + return (1); + } else if (skip_len < nlen * (int)sizeof(int)) { + /* Bail if this is a descendant of a skip node. */ + if (memcmp(skip_oid, oid, skip_len) == 0) + return (1); + } + /* Not a skip node or descendant of a skip node. */ + skip_len = 0; + } /* don't fetch opaques that we don't know how to print */ if (ctltype == CTLTYPE_OPAQUE) { Index: sys/kern/kern_sysctl.c =================================================================== --- sys/kern/kern_sysctl.c +++ sys/kern/kern_sysctl.c @@ -1126,9 +1126,13 @@ * We have reached a node with a full name match and are * looking for the next oid in its children. * + * For CTL_SYSCTL_NEXTNOSKIP we are done. + * * For CTL_SYSCTL_NEXT we skip CTLTYPE_NODE (unless it * has a handler) and move on to the children. */ + if (!honor_skip) + return (0); if ((oidp->oid_kind & CTLTYPE) != CTLTYPE_NODE) return (0); if (oidp->oid_handler) @@ -1163,9 +1167,13 @@ /* * We have reached the next oid. * + * For CTL_SYSCTL_NEXTNOSKIP we are done. + * * For CTL_SYSCTL_NEXT we skip CTLTYPE_NODE (unless it * has a handler) and move on to the children. */ + if (!honor_skip) + return (0); if ((oidp->oid_kind & CTLTYPE) != CTLTYPE_NODE) return (0); if (oidp->oid_handler)