From owner-svn-src-stable-12@freebsd.org Sat Mar 23 11:51:13 2019 Return-Path: Delivered-To: svn-src-stable-12@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 9CC49154BFB1; Sat, 23 Mar 2019 11:51:13 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 401248CD15; Sat, 23 Mar 2019 11:51:13 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 002C57E9A; Sat, 23 Mar 2019 11:51:12 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x2NBpC8t031937; Sat, 23 Mar 2019 11:51:12 GMT (envelope-from kib@FreeBSD.org) Received: (from kib@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x2NBpCN8031936; Sat, 23 Mar 2019 11:51:12 GMT (envelope-from kib@FreeBSD.org) Message-Id: <201903231151.x2NBpCN8031936@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: kib set sender to kib@FreeBSD.org using -f From: Konstantin Belousov Date: Sat, 23 Mar 2019 11:51:12 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r345447 - stable/12/usr.bin/proccontrol X-SVN-Group: stable-12 X-SVN-Commit-Author: kib X-SVN-Commit-Paths: stable/12/usr.bin/proccontrol X-SVN-Commit-Revision: 345447 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 401248CD15 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.96 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.999,0]; NEURAL_HAM_SHORT(-0.96)[-0.965,0]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US] X-BeenThere: svn-src-stable-12@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for only the 12-stable src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 23 Mar 2019 11:51:14 -0000 Author: kib Date: Sat Mar 23 11:51:12 2019 New Revision: 345447 URL: https://svnweb.freebsd.org/changeset/base/345447 Log: MFC r345229: proccontrol(1): Add kpti control mode. Modified: stable/12/usr.bin/proccontrol/proccontrol.c Directory Properties: stable/12/ (props changed) Modified: stable/12/usr.bin/proccontrol/proccontrol.c ============================================================================== --- stable/12/usr.bin/proccontrol/proccontrol.c Sat Mar 23 11:47:13 2019 (r345446) +++ stable/12/usr.bin/proccontrol/proccontrol.c Sat Mar 23 11:51:12 2019 (r345447) @@ -43,6 +43,9 @@ enum { MODE_INVALID, MODE_TRACE, MODE_TRAPCAP, +#ifdef PROC_KPTI_CTL + MODE_KPTI, +#endif }; static pid_t @@ -59,11 +62,18 @@ str2pid(const char *str) return (res); } +#ifdef PROC_KPTI_CTL +#define KPTI_USAGE "|kpti" +#else +#define KPTI_USAGE +#endif + static void __dead2 usage(void) { - fprintf(stderr, "Usage: proccontrol -m (aslr|trace|trapcap) [-q] " + fprintf(stderr, "Usage: proccontrol -m (aslr|trace|trapcap" + KPTI_USAGE") [-q] " "[-s (enable|disable)] [-p pid | command]\n"); exit(1); } @@ -88,6 +98,10 @@ main(int argc, char *argv[]) mode = MODE_TRACE; else if (strcmp(optarg, "trapcap") == 0) mode = MODE_TRAPCAP; +#ifdef PROC_KPTI_CTL + else if (strcmp(optarg, "kpti") == 0) + mode = MODE_KPTI; +#endif else usage(); break; @@ -133,6 +147,11 @@ main(int argc, char *argv[]) case MODE_TRAPCAP: error = procctl(P_PID, pid, PROC_TRAPCAP_STATUS, &arg); break; +#ifdef PROC_KPTI_CTL + case MODE_KPTI: + error = procctl(P_PID, pid, PROC_KPTI_STATUS, &arg); + break; +#endif default: usage(); break; @@ -175,6 +194,22 @@ main(int argc, char *argv[]) break; } break; +#ifdef PROC_KPTI_CTL + case MODE_KPTI: + switch (arg & ~PROC_KPTI_STATUS_ACTIVE) { + case PROC_KPTI_CTL_ENABLE_ON_EXEC: + printf("enabled"); + break; + case PROC_KPTI_CTL_DISABLE_ON_EXEC: + printf("disabled"); + break; + } + if ((arg & PROC_KPTI_STATUS_ACTIVE) != 0) + printf(", active\n"); + else + printf(", not active\n"); + break; +#endif } } else { switch (mode) { @@ -193,6 +228,13 @@ main(int argc, char *argv[]) PROC_TRAPCAP_CTL_DISABLE; error = procctl(P_PID, pid, PROC_TRAPCAP_CTL, &arg); break; +#ifdef PROC_KPTI_CTL + case MODE_KPTI: + arg = enable ? PROC_KPTI_CTL_ENABLE_ON_EXEC : + PROC_KPTI_CTL_DISABLE_ON_EXEC; + error = procctl(P_PID, pid, PROC_KPTI_CTL, &arg); + break; +#endif default: usage(); break;