From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-21.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 155CCC43461 for ; Wed, 19 May 2021 20:02:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E8ABA61355 for ; Wed, 19 May 2021 20:02:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232636AbhESUD0 (ORCPT ); Wed, 19 May 2021 16:03:26 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:27477 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232540AbhESUDS (ORCPT ); Wed, 19 May 2021 16:03:18 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1621454518; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Sikk+MokxpIByIOpcdKDiqljcUG3+PPH94iB44Ixc6U=; b=ahfOIP9477fZHhfrpRUVikFpUsWMG00Bgc/WBEpjCZ9E/gZgAZscEHHlTXKHudYynk2N+H glk5J7OY1CdbEG9mCy48MxRfJuZ8eyOMDOq0ajinXjrcKyITtwGN3yxd4x46YJLjWwB30I avW5yHbyiZ53jCtCj8w2Pxf/FbPaN8Q= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-340--ouSNdyCMJi-F2EB9le41Q-1; Wed, 19 May 2021 16:01:54 -0400 X-MC-Unique: -ouSNdyCMJi-F2EB9le41Q-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id B204F802690; Wed, 19 May 2021 20:01:52 +0000 (UTC) Received: from madcap2.tricolour.ca (unknown [10.3.128.45]) by smtp.corp.redhat.com (Postfix) with ESMTP id BAFFE60BF1; Wed, 19 May 2021 20:01:48 +0000 (UTC) From: Richard Guy Briggs To: Linux-Audit Mailing List , LKML , linux-fsdevel@vger.kernel.org Cc: Paul Moore , Eric Paris , Steve Grubb , Richard Guy Briggs , Alexander Viro , Eric Paris , x86@kernel.org, linux-alpha@vger.kernel.org, linux-ia64@vger.kernel.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, sparclinux@vger.kernel.org, Aleksa Sarai , Arnd Bergmann Subject: [PATCH v4 1/3] audit: replace magic audit syscall class numbers with macros Date: Wed, 19 May 2021 16:00:20 -0400 Message-Id: <2300b1083a32aade7ae7efb95826e8f3f260b1df.1621363275.git.rgb@redhat.com> In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Replace audit syscall class magic numbers with macros. This required putting the macros into new header file include/linux/auditsc_classmacros.h since the syscall macros were included for both 64 bit and 32 bit in any compat code, causing redefinition warnings. Signed-off-by: Richard Guy Briggs Link: https://lore.kernel.org/r/2300b1083a32aade7ae7efb95826e8f3f260b1df.1621363275.git.rgb@redhat.com --- MAINTAINERS | 1 + arch/alpha/kernel/audit.c | 8 ++++---- arch/ia64/kernel/audit.c | 8 ++++---- arch/parisc/kernel/audit.c | 8 ++++---- arch/parisc/kernel/compat_audit.c | 9 +++++---- arch/powerpc/kernel/audit.c | 10 +++++----- arch/powerpc/kernel/compat_audit.c | 11 ++++++----- arch/s390/kernel/audit.c | 10 +++++----- arch/s390/kernel/compat_audit.c | 11 ++++++----- arch/sparc/kernel/audit.c | 10 +++++----- arch/sparc/kernel/compat_audit.c | 11 ++++++----- arch/x86/ia32/audit.c | 11 ++++++----- arch/x86/kernel/audit_64.c | 8 ++++---- include/linux/audit.h | 1 + include/linux/auditsc_classmacros.h | 23 +++++++++++++++++++++++ kernel/auditsc.c | 12 ++++++------ lib/audit.c | 10 +++++----- lib/compat_audit.c | 11 ++++++----- 18 files changed, 102 insertions(+), 71 deletions(-) create mode 100644 include/linux/auditsc_classmacros.h diff --git a/MAINTAINERS b/MAINTAINERS index bd7aff0c120f..3348d12019f9 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -3036,6 +3036,7 @@ W: https://github.com/linux-audit T: git git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit.git F: include/asm-generic/audit_*.h F: include/linux/audit.h +F: include/linux/auditsc_classmacros.h F: include/uapi/linux/audit.h F: kernel/audit* F: lib/*audit.c diff --git a/arch/alpha/kernel/audit.c b/arch/alpha/kernel/audit.c index 96a9d18ff4c4..81cbd804e375 100644 --- a/arch/alpha/kernel/audit.c +++ b/arch/alpha/kernel/audit.c @@ -37,13 +37,13 @@ int audit_classify_syscall(int abi, unsigned syscall) { switch(syscall) { case __NR_open: - return 2; + return AUDITSC_OPEN; case __NR_openat: - return 3; + return AUDITSC_OPENAT; case __NR_execve: - return 5; + return AUDITSC_EXECVE; default: - return 0; + return AUDITSC_NATIVE; } } diff --git a/arch/ia64/kernel/audit.c b/arch/ia64/kernel/audit.c index 5192ca899fe6..dba6a74c9ab3 100644 --- a/arch/ia64/kernel/audit.c +++ b/arch/ia64/kernel/audit.c @@ -38,13 +38,13 @@ int audit_classify_syscall(int abi, unsigned syscall) { switch(syscall) { case __NR_open: - return 2; + return AUDITSC_OPEN; case __NR_openat: - return 3; + return AUDITSC_OPENAT; case __NR_execve: - return 5; + return AUDITSC_EXECVE; default: - return 0; + return AUDITSC_NATIVE; } } diff --git a/arch/parisc/kernel/audit.c b/arch/parisc/kernel/audit.c index 9eb47b2225d2..14244e83db75 100644 --- a/arch/parisc/kernel/audit.c +++ b/arch/parisc/kernel/audit.c @@ -47,13 +47,13 @@ int audit_classify_syscall(int abi, unsigned syscall) #endif switch (syscall) { case __NR_open: - return 2; + return AUDITSC_OPEN; case __NR_openat: - return 3; + return AUDITSC_OPENAT; case __NR_execve: - return 5; + return AUDITSC_EXECVE; default: - return 0; + return AUDITSC_NATIVE; } } diff --git a/arch/parisc/kernel/compat_audit.c b/arch/parisc/kernel/compat_audit.c index 20c39c9d86a9..1d6347d37d92 100644 --- a/arch/parisc/kernel/compat_audit.c +++ b/arch/parisc/kernel/compat_audit.c @@ -1,4 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 +#include #include unsigned int parisc32_dir_class[] = { @@ -30,12 +31,12 @@ int parisc32_classify_syscall(unsigned syscall) { switch (syscall) { case __NR_open: - return 2; + return AUDITSC_OPEN; case __NR_openat: - return 3; + return AUDITSC_OPENAT; case __NR_execve: - return 5; + return AUDITSC_EXECVE; default: - return 1; + return AUDITSC_COMPAT; } } diff --git a/arch/powerpc/kernel/audit.c b/arch/powerpc/kernel/audit.c index a2dddd7f3d09..6eb18ef77dff 100644 --- a/arch/powerpc/kernel/audit.c +++ b/arch/powerpc/kernel/audit.c @@ -47,15 +47,15 @@ int audit_classify_syscall(int abi, unsigned syscall) #endif switch(syscall) { case __NR_open: - return 2; + return AUDITSC_OPEN; case __NR_openat: - return 3; + return AUDITSC_OPENAT; case __NR_socketcall: - return 4; + return AUDITSC_SOCKETCALL; case __NR_execve: - return 5; + return AUDITSC_EXECVE; default: - return 0; + return AUDITSC_NATIVE; } } diff --git a/arch/powerpc/kernel/compat_audit.c b/arch/powerpc/kernel/compat_audit.c index 55c6ccda0a85..b1dc2d1c4bad 100644 --- a/arch/powerpc/kernel/compat_audit.c +++ b/arch/powerpc/kernel/compat_audit.c @@ -1,5 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 #undef __powerpc64__ +#include #include unsigned ppc32_dir_class[] = { @@ -31,14 +32,14 @@ int ppc32_classify_syscall(unsigned syscall) { switch(syscall) { case __NR_open: - return 2; + return AUDITSC_OPEN; case __NR_openat: - return 3; + return AUDITSC_OPENAT; case __NR_socketcall: - return 4; + return AUDITSC_SOCKETCALL; case __NR_execve: - return 5; + return AUDITSC_EXECVE; default: - return 1; + return AUDITSC_COMPAT; } } diff --git a/arch/s390/kernel/audit.c b/arch/s390/kernel/audit.c index d395c6c9944c..7e331e1831d4 100644 --- a/arch/s390/kernel/audit.c +++ b/arch/s390/kernel/audit.c @@ -47,15 +47,15 @@ int audit_classify_syscall(int abi, unsigned syscall) #endif switch(syscall) { case __NR_open: - return 2; + return AUDITSC_OPEN; case __NR_openat: - return 3; + return AUDITSC_OPENAT; case __NR_socketcall: - return 4; + return AUDITSC_SOCKETCALL; case __NR_execve: - return 5; + return AUDITSC_EXECVE; default: - return 0; + return AUDITSC_NATIVE; } } diff --git a/arch/s390/kernel/compat_audit.c b/arch/s390/kernel/compat_audit.c index 444fb1f66944..fc3d1c7ad21c 100644 --- a/arch/s390/kernel/compat_audit.c +++ b/arch/s390/kernel/compat_audit.c @@ -1,5 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 #undef __s390x__ +#include #include #include "audit.h" @@ -32,14 +33,14 @@ int s390_classify_syscall(unsigned syscall) { switch(syscall) { case __NR_open: - return 2; + return AUDITSC_OPEN; case __NR_openat: - return 3; + return AUDITSC_OPENAT; case __NR_socketcall: - return 4; + return AUDITSC_SOCKETCALL; case __NR_execve: - return 5; + return AUDITSC_EXECVE; default: - return 1; + return AUDITSC_COMPAT; } } diff --git a/arch/sparc/kernel/audit.c b/arch/sparc/kernel/audit.c index a6e91bf34d48..50fab35bdaba 100644 --- a/arch/sparc/kernel/audit.c +++ b/arch/sparc/kernel/audit.c @@ -48,15 +48,15 @@ int audit_classify_syscall(int abi, unsigned int syscall) #endif switch(syscall) { case __NR_open: - return 2; + return AUDITSC_OPEN; case __NR_openat: - return 3; + return AUDITSC_OPENAT; case __NR_socketcall: - return 4; + return AUDITSC_SOCKETCALL; case __NR_execve: - return 5; + return AUDITSC_EXECVE; default: - return 0; + return AUDITSC_NATIVE; } } diff --git a/arch/sparc/kernel/compat_audit.c b/arch/sparc/kernel/compat_audit.c index 10eeb4f15b20..1c1b6d075421 100644 --- a/arch/sparc/kernel/compat_audit.c +++ b/arch/sparc/kernel/compat_audit.c @@ -1,5 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 #define __32bit_syscall_numbers__ +#include #include #include "kernel.h" @@ -32,14 +33,14 @@ int sparc32_classify_syscall(unsigned int syscall) { switch(syscall) { case __NR_open: - return 2; + return AUDITSC_OPEN; case __NR_openat: - return 3; + return AUDITSC_OPENAT; case __NR_socketcall: - return 4; + return AUDITSC_SOCKETCALL; case __NR_execve: - return 5; + return AUDITSC_EXECVE; default: - return 1; + return AUDITSC_COMPAT; } } diff --git a/arch/x86/ia32/audit.c b/arch/x86/ia32/audit.c index 6efe6cb3768a..eedc37a1ee13 100644 --- a/arch/x86/ia32/audit.c +++ b/arch/x86/ia32/audit.c @@ -1,4 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 +#include #include #include @@ -31,15 +32,15 @@ int ia32_classify_syscall(unsigned syscall) { switch (syscall) { case __NR_open: - return 2; + return AUDITSC_OPEN; case __NR_openat: - return 3; + return AUDITSC_OPENAT; case __NR_socketcall: - return 4; + return AUDITSC_SOCKETCALL; case __NR_execve: case __NR_execveat: - return 5; + return AUDITSC_EXECVE; default: - return 1; + return AUDITSC_COMPAT; } } diff --git a/arch/x86/kernel/audit_64.c b/arch/x86/kernel/audit_64.c index 83d9cad4e68b..2a6cc9c9c881 100644 --- a/arch/x86/kernel/audit_64.c +++ b/arch/x86/kernel/audit_64.c @@ -47,14 +47,14 @@ int audit_classify_syscall(int abi, unsigned syscall) #endif switch(syscall) { case __NR_open: - return 2; + return AUDITSC_OPEN; case __NR_openat: - return 3; + return AUDITSC_OPENAT; case __NR_execve: case __NR_execveat: - return 5; + return AUDITSC_EXECVE; default: - return 0; + return AUDITSC_NATIVE; } } diff --git a/include/linux/audit.h b/include/linux/audit.h index 82b7c1116a85..283bc91a6932 100644 --- a/include/linux/audit.h +++ b/include/linux/audit.h @@ -11,6 +11,7 @@ #include #include +#include /* syscall class macros */ #include #include diff --git a/include/linux/auditsc_classmacros.h b/include/linux/auditsc_classmacros.h new file mode 100644 index 000000000000..18757d270961 --- /dev/null +++ b/include/linux/auditsc_classmacros.h @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* auditsc_classmacros.h -- Auditing support syscall macros + * + * Copyright 2021 Red Hat Inc., Durham, North Carolina. + * All Rights Reserved. + * + * Author: Richard Guy Briggs + */ +#ifndef _LINUX_AUDITSCM_H_ +#define _LINUX_AUDITSCM_H_ + +enum auditsc_class_t { + AUDITSC_NATIVE = 0, + AUDITSC_COMPAT, + AUDITSC_OPEN, + AUDITSC_OPENAT, + AUDITSC_SOCKETCALL, + AUDITSC_EXECVE, + + AUDITSC_NVALS /* count */ +}; + +#endif diff --git a/kernel/auditsc.c b/kernel/auditsc.c index 0a9a1569f1ea..d775ea16505b 100644 --- a/kernel/auditsc.c +++ b/kernel/auditsc.c @@ -166,7 +166,7 @@ static int audit_match_perm(struct audit_context *ctx, int mask) n = ctx->major; switch (audit_classify_syscall(ctx->arch, n)) { - case 0: /* native */ + case AUDITSC_NATIVE: if ((mask & AUDIT_PERM_WRITE) && audit_match_class(AUDIT_CLASS_WRITE, n)) return 1; @@ -177,7 +177,7 @@ static int audit_match_perm(struct audit_context *ctx, int mask) audit_match_class(AUDIT_CLASS_CHATTR, n)) return 1; return 0; - case 1: /* 32bit on biarch */ + case AUDITSC_COMPAT: /* 32bit on biarch */ if ((mask & AUDIT_PERM_WRITE) && audit_match_class(AUDIT_CLASS_WRITE_32, n)) return 1; @@ -188,13 +188,13 @@ static int audit_match_perm(struct audit_context *ctx, int mask) audit_match_class(AUDIT_CLASS_CHATTR_32, n)) return 1; return 0; - case 2: /* open */ + case AUDITSC_OPEN: return mask & ACC_MODE(ctx->argv[1]); - case 3: /* openat */ + case AUDITSC_OPENAT: return mask & ACC_MODE(ctx->argv[2]); - case 4: /* socketcall */ + case AUDITSC_SOCKETCALL: return ((mask & AUDIT_PERM_WRITE) && ctx->argv[0] == SYS_BIND); - case 5: /* execve */ + case AUDITSC_EXECVE: return mask & AUDIT_PERM_EXEC; default: return 0; diff --git a/lib/audit.c b/lib/audit.c index 5004bff928a7..3ec1a94d8d64 100644 --- a/lib/audit.c +++ b/lib/audit.c @@ -45,23 +45,23 @@ int audit_classify_syscall(int abi, unsigned syscall) switch(syscall) { #ifdef __NR_open case __NR_open: - return 2; + return AUDITSC_OPEN; #endif #ifdef __NR_openat case __NR_openat: - return 3; + return AUDITSC_OPENAT; #endif #ifdef __NR_socketcall case __NR_socketcall: - return 4; + return AUDITSC_SOCKETCALL; #endif #ifdef __NR_execveat case __NR_execveat: #endif case __NR_execve: - return 5; + return AUDITSC_EXECVE; default: - return 0; + return AUDITSC_NATIVE; } } diff --git a/lib/compat_audit.c b/lib/compat_audit.c index 77eabad69b4a..a38b282d353f 100644 --- a/lib/compat_audit.c +++ b/lib/compat_audit.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 #include #include +#include #include unsigned compat_dir_class[] = { @@ -33,19 +34,19 @@ int audit_classify_compat_syscall(int abi, unsigned syscall) switch (syscall) { #ifdef __NR_open case __NR_open: - return 2; + return AUDITSC_OPEN; #endif #ifdef __NR_openat case __NR_openat: - return 3; + return AUDITSC_OPENAT; #endif #ifdef __NR_socketcall case __NR_socketcall: - return 4; + return AUDITSC_SOCKETCALL; #endif case __NR_execve: - return 5; + return AUDITSC_EXECVE; default: - return 1; + return AUDITSC_COMPAT; } } -- 2.27.0 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 73C8FC433ED for ; Wed, 19 May 2021 20:02:32 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C014F61355 for ; Wed, 19 May 2021 20:02:31 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C014F61355 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4FlkLG2LJ0z3byl for ; Thu, 20 May 2021 06:02:30 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=INv+8h72; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=INv+8h72; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=redhat.com (client-ip=170.10.133.124; helo=us-smtp-delivery-124.mimecast.com; envelope-from=rgb@redhat.com; receiver=) Authentication-Results: lists.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=INv+8h72; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=INv+8h72; dkim-atps=neutral Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4FlkKj72Tmz3035 for ; Thu, 20 May 2021 06:02:01 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1621454517; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Sikk+MokxpIByIOpcdKDiqljcUG3+PPH94iB44Ixc6U=; b=INv+8h72qdPLqaMxRsQ1mz/UTTTpmgLudncoukeRppkuweNTcGLYYFrzCp7joApdpGEQuy rcZKnzAiPUmK1Frhy2jywPCZb6WnvZ5qAOmFklOoZyQaV0rBW7BwDYq5mX1gnTmnjIma+N fXtMD3aQt4eZ1FjrEH7NpFxIfApZx70= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1621454517; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Sikk+MokxpIByIOpcdKDiqljcUG3+PPH94iB44Ixc6U=; b=INv+8h72qdPLqaMxRsQ1mz/UTTTpmgLudncoukeRppkuweNTcGLYYFrzCp7joApdpGEQuy rcZKnzAiPUmK1Frhy2jywPCZb6WnvZ5qAOmFklOoZyQaV0rBW7BwDYq5mX1gnTmnjIma+N fXtMD3aQt4eZ1FjrEH7NpFxIfApZx70= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-340--ouSNdyCMJi-F2EB9le41Q-1; Wed, 19 May 2021 16:01:54 -0400 X-MC-Unique: -ouSNdyCMJi-F2EB9le41Q-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id B204F802690; Wed, 19 May 2021 20:01:52 +0000 (UTC) Received: from madcap2.tricolour.ca (unknown [10.3.128.45]) by smtp.corp.redhat.com (Postfix) with ESMTP id BAFFE60BF1; Wed, 19 May 2021 20:01:48 +0000 (UTC) From: Richard Guy Briggs To: Linux-Audit Mailing List , LKML , linux-fsdevel@vger.kernel.org Subject: [PATCH v4 1/3] audit: replace magic audit syscall class numbers with macros Date: Wed, 19 May 2021 16:00:20 -0400 Message-Id: <2300b1083a32aade7ae7efb95826e8f3f260b1df.1621363275.git.rgb@redhat.com> In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-s390@vger.kernel.org, linux-ia64@vger.kernel.org, Paul Moore , linux-parisc@vger.kernel.org, Arnd Bergmann , Richard Guy Briggs , x86@kernel.org, Eric Paris , Aleksa Sarai , Alexander Viro , linux-alpha@vger.kernel.org, sparclinux@vger.kernel.org, Eric Paris , Steve Grubb , linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Replace audit syscall class magic numbers with macros. This required putting the macros into new header file include/linux/auditsc_classmacros.h since the syscall macros were included for both 64 bit and 32 bit in any compat code, causing redefinition warnings. Signed-off-by: Richard Guy Briggs Link: https://lore.kernel.org/r/2300b1083a32aade7ae7efb95826e8f3f260b1df.1621363275.git.rgb@redhat.com --- MAINTAINERS | 1 + arch/alpha/kernel/audit.c | 8 ++++---- arch/ia64/kernel/audit.c | 8 ++++---- arch/parisc/kernel/audit.c | 8 ++++---- arch/parisc/kernel/compat_audit.c | 9 +++++---- arch/powerpc/kernel/audit.c | 10 +++++----- arch/powerpc/kernel/compat_audit.c | 11 ++++++----- arch/s390/kernel/audit.c | 10 +++++----- arch/s390/kernel/compat_audit.c | 11 ++++++----- arch/sparc/kernel/audit.c | 10 +++++----- arch/sparc/kernel/compat_audit.c | 11 ++++++----- arch/x86/ia32/audit.c | 11 ++++++----- arch/x86/kernel/audit_64.c | 8 ++++---- include/linux/audit.h | 1 + include/linux/auditsc_classmacros.h | 23 +++++++++++++++++++++++ kernel/auditsc.c | 12 ++++++------ lib/audit.c | 10 +++++----- lib/compat_audit.c | 11 ++++++----- 18 files changed, 102 insertions(+), 71 deletions(-) create mode 100644 include/linux/auditsc_classmacros.h diff --git a/MAINTAINERS b/MAINTAINERS index bd7aff0c120f..3348d12019f9 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -3036,6 +3036,7 @@ W: https://github.com/linux-audit T: git git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit.git F: include/asm-generic/audit_*.h F: include/linux/audit.h +F: include/linux/auditsc_classmacros.h F: include/uapi/linux/audit.h F: kernel/audit* F: lib/*audit.c diff --git a/arch/alpha/kernel/audit.c b/arch/alpha/kernel/audit.c index 96a9d18ff4c4..81cbd804e375 100644 --- a/arch/alpha/kernel/audit.c +++ b/arch/alpha/kernel/audit.c @@ -37,13 +37,13 @@ int audit_classify_syscall(int abi, unsigned syscall) { switch(syscall) { case __NR_open: - return 2; + return AUDITSC_OPEN; case __NR_openat: - return 3; + return AUDITSC_OPENAT; case __NR_execve: - return 5; + return AUDITSC_EXECVE; default: - return 0; + return AUDITSC_NATIVE; } } diff --git a/arch/ia64/kernel/audit.c b/arch/ia64/kernel/audit.c index 5192ca899fe6..dba6a74c9ab3 100644 --- a/arch/ia64/kernel/audit.c +++ b/arch/ia64/kernel/audit.c @@ -38,13 +38,13 @@ int audit_classify_syscall(int abi, unsigned syscall) { switch(syscall) { case __NR_open: - return 2; + return AUDITSC_OPEN; case __NR_openat: - return 3; + return AUDITSC_OPENAT; case __NR_execve: - return 5; + return AUDITSC_EXECVE; default: - return 0; + return AUDITSC_NATIVE; } } diff --git a/arch/parisc/kernel/audit.c b/arch/parisc/kernel/audit.c index 9eb47b2225d2..14244e83db75 100644 --- a/arch/parisc/kernel/audit.c +++ b/arch/parisc/kernel/audit.c @@ -47,13 +47,13 @@ int audit_classify_syscall(int abi, unsigned syscall) #endif switch (syscall) { case __NR_open: - return 2; + return AUDITSC_OPEN; case __NR_openat: - return 3; + return AUDITSC_OPENAT; case __NR_execve: - return 5; + return AUDITSC_EXECVE; default: - return 0; + return AUDITSC_NATIVE; } } diff --git a/arch/parisc/kernel/compat_audit.c b/arch/parisc/kernel/compat_audit.c index 20c39c9d86a9..1d6347d37d92 100644 --- a/arch/parisc/kernel/compat_audit.c +++ b/arch/parisc/kernel/compat_audit.c @@ -1,4 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 +#include #include unsigned int parisc32_dir_class[] = { @@ -30,12 +31,12 @@ int parisc32_classify_syscall(unsigned syscall) { switch (syscall) { case __NR_open: - return 2; + return AUDITSC_OPEN; case __NR_openat: - return 3; + return AUDITSC_OPENAT; case __NR_execve: - return 5; + return AUDITSC_EXECVE; default: - return 1; + return AUDITSC_COMPAT; } } diff --git a/arch/powerpc/kernel/audit.c b/arch/powerpc/kernel/audit.c index a2dddd7f3d09..6eb18ef77dff 100644 --- a/arch/powerpc/kernel/audit.c +++ b/arch/powerpc/kernel/audit.c @@ -47,15 +47,15 @@ int audit_classify_syscall(int abi, unsigned syscall) #endif switch(syscall) { case __NR_open: - return 2; + return AUDITSC_OPEN; case __NR_openat: - return 3; + return AUDITSC_OPENAT; case __NR_socketcall: - return 4; + return AUDITSC_SOCKETCALL; case __NR_execve: - return 5; + return AUDITSC_EXECVE; default: - return 0; + return AUDITSC_NATIVE; } } diff --git a/arch/powerpc/kernel/compat_audit.c b/arch/powerpc/kernel/compat_audit.c index 55c6ccda0a85..b1dc2d1c4bad 100644 --- a/arch/powerpc/kernel/compat_audit.c +++ b/arch/powerpc/kernel/compat_audit.c @@ -1,5 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 #undef __powerpc64__ +#include #include unsigned ppc32_dir_class[] = { @@ -31,14 +32,14 @@ int ppc32_classify_syscall(unsigned syscall) { switch(syscall) { case __NR_open: - return 2; + return AUDITSC_OPEN; case __NR_openat: - return 3; + return AUDITSC_OPENAT; case __NR_socketcall: - return 4; + return AUDITSC_SOCKETCALL; case __NR_execve: - return 5; + return AUDITSC_EXECVE; default: - return 1; + return AUDITSC_COMPAT; } } diff --git a/arch/s390/kernel/audit.c b/arch/s390/kernel/audit.c index d395c6c9944c..7e331e1831d4 100644 --- a/arch/s390/kernel/audit.c +++ b/arch/s390/kernel/audit.c @@ -47,15 +47,15 @@ int audit_classify_syscall(int abi, unsigned syscall) #endif switch(syscall) { case __NR_open: - return 2; + return AUDITSC_OPEN; case __NR_openat: - return 3; + return AUDITSC_OPENAT; case __NR_socketcall: - return 4; + return AUDITSC_SOCKETCALL; case __NR_execve: - return 5; + return AUDITSC_EXECVE; default: - return 0; + return AUDITSC_NATIVE; } } diff --git a/arch/s390/kernel/compat_audit.c b/arch/s390/kernel/compat_audit.c index 444fb1f66944..fc3d1c7ad21c 100644 --- a/arch/s390/kernel/compat_audit.c +++ b/arch/s390/kernel/compat_audit.c @@ -1,5 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 #undef __s390x__ +#include #include #include "audit.h" @@ -32,14 +33,14 @@ int s390_classify_syscall(unsigned syscall) { switch(syscall) { case __NR_open: - return 2; + return AUDITSC_OPEN; case __NR_openat: - return 3; + return AUDITSC_OPENAT; case __NR_socketcall: - return 4; + return AUDITSC_SOCKETCALL; case __NR_execve: - return 5; + return AUDITSC_EXECVE; default: - return 1; + return AUDITSC_COMPAT; } } diff --git a/arch/sparc/kernel/audit.c b/arch/sparc/kernel/audit.c index a6e91bf34d48..50fab35bdaba 100644 --- a/arch/sparc/kernel/audit.c +++ b/arch/sparc/kernel/audit.c @@ -48,15 +48,15 @@ int audit_classify_syscall(int abi, unsigned int syscall) #endif switch(syscall) { case __NR_open: - return 2; + return AUDITSC_OPEN; case __NR_openat: - return 3; + return AUDITSC_OPENAT; case __NR_socketcall: - return 4; + return AUDITSC_SOCKETCALL; case __NR_execve: - return 5; + return AUDITSC_EXECVE; default: - return 0; + return AUDITSC_NATIVE; } } diff --git a/arch/sparc/kernel/compat_audit.c b/arch/sparc/kernel/compat_audit.c index 10eeb4f15b20..1c1b6d075421 100644 --- a/arch/sparc/kernel/compat_audit.c +++ b/arch/sparc/kernel/compat_audit.c @@ -1,5 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 #define __32bit_syscall_numbers__ +#include #include #include "kernel.h" @@ -32,14 +33,14 @@ int sparc32_classify_syscall(unsigned int syscall) { switch(syscall) { case __NR_open: - return 2; + return AUDITSC_OPEN; case __NR_openat: - return 3; + return AUDITSC_OPENAT; case __NR_socketcall: - return 4; + return AUDITSC_SOCKETCALL; case __NR_execve: - return 5; + return AUDITSC_EXECVE; default: - return 1; + return AUDITSC_COMPAT; } } diff --git a/arch/x86/ia32/audit.c b/arch/x86/ia32/audit.c index 6efe6cb3768a..eedc37a1ee13 100644 --- a/arch/x86/ia32/audit.c +++ b/arch/x86/ia32/audit.c @@ -1,4 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 +#include #include #include @@ -31,15 +32,15 @@ int ia32_classify_syscall(unsigned syscall) { switch (syscall) { case __NR_open: - return 2; + return AUDITSC_OPEN; case __NR_openat: - return 3; + return AUDITSC_OPENAT; case __NR_socketcall: - return 4; + return AUDITSC_SOCKETCALL; case __NR_execve: case __NR_execveat: - return 5; + return AUDITSC_EXECVE; default: - return 1; + return AUDITSC_COMPAT; } } diff --git a/arch/x86/kernel/audit_64.c b/arch/x86/kernel/audit_64.c index 83d9cad4e68b..2a6cc9c9c881 100644 --- a/arch/x86/kernel/audit_64.c +++ b/arch/x86/kernel/audit_64.c @@ -47,14 +47,14 @@ int audit_classify_syscall(int abi, unsigned syscall) #endif switch(syscall) { case __NR_open: - return 2; + return AUDITSC_OPEN; case __NR_openat: - return 3; + return AUDITSC_OPENAT; case __NR_execve: case __NR_execveat: - return 5; + return AUDITSC_EXECVE; default: - return 0; + return AUDITSC_NATIVE; } } diff --git a/include/linux/audit.h b/include/linux/audit.h index 82b7c1116a85..283bc91a6932 100644 --- a/include/linux/audit.h +++ b/include/linux/audit.h @@ -11,6 +11,7 @@ #include #include +#include /* syscall class macros */ #include #include diff --git a/include/linux/auditsc_classmacros.h b/include/linux/auditsc_classmacros.h new file mode 100644 index 000000000000..18757d270961 --- /dev/null +++ b/include/linux/auditsc_classmacros.h @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* auditsc_classmacros.h -- Auditing support syscall macros + * + * Copyright 2021 Red Hat Inc., Durham, North Carolina. + * All Rights Reserved. + * + * Author: Richard Guy Briggs + */ +#ifndef _LINUX_AUDITSCM_H_ +#define _LINUX_AUDITSCM_H_ + +enum auditsc_class_t { + AUDITSC_NATIVE = 0, + AUDITSC_COMPAT, + AUDITSC_OPEN, + AUDITSC_OPENAT, + AUDITSC_SOCKETCALL, + AUDITSC_EXECVE, + + AUDITSC_NVALS /* count */ +}; + +#endif diff --git a/kernel/auditsc.c b/kernel/auditsc.c index 0a9a1569f1ea..d775ea16505b 100644 --- a/kernel/auditsc.c +++ b/kernel/auditsc.c @@ -166,7 +166,7 @@ static int audit_match_perm(struct audit_context *ctx, int mask) n = ctx->major; switch (audit_classify_syscall(ctx->arch, n)) { - case 0: /* native */ + case AUDITSC_NATIVE: if ((mask & AUDIT_PERM_WRITE) && audit_match_class(AUDIT_CLASS_WRITE, n)) return 1; @@ -177,7 +177,7 @@ static int audit_match_perm(struct audit_context *ctx, int mask) audit_match_class(AUDIT_CLASS_CHATTR, n)) return 1; return 0; - case 1: /* 32bit on biarch */ + case AUDITSC_COMPAT: /* 32bit on biarch */ if ((mask & AUDIT_PERM_WRITE) && audit_match_class(AUDIT_CLASS_WRITE_32, n)) return 1; @@ -188,13 +188,13 @@ static int audit_match_perm(struct audit_context *ctx, int mask) audit_match_class(AUDIT_CLASS_CHATTR_32, n)) return 1; return 0; - case 2: /* open */ + case AUDITSC_OPEN: return mask & ACC_MODE(ctx->argv[1]); - case 3: /* openat */ + case AUDITSC_OPENAT: return mask & ACC_MODE(ctx->argv[2]); - case 4: /* socketcall */ + case AUDITSC_SOCKETCALL: return ((mask & AUDIT_PERM_WRITE) && ctx->argv[0] == SYS_BIND); - case 5: /* execve */ + case AUDITSC_EXECVE: return mask & AUDIT_PERM_EXEC; default: return 0; diff --git a/lib/audit.c b/lib/audit.c index 5004bff928a7..3ec1a94d8d64 100644 --- a/lib/audit.c +++ b/lib/audit.c @@ -45,23 +45,23 @@ int audit_classify_syscall(int abi, unsigned syscall) switch(syscall) { #ifdef __NR_open case __NR_open: - return 2; + return AUDITSC_OPEN; #endif #ifdef __NR_openat case __NR_openat: - return 3; + return AUDITSC_OPENAT; #endif #ifdef __NR_socketcall case __NR_socketcall: - return 4; + return AUDITSC_SOCKETCALL; #endif #ifdef __NR_execveat case __NR_execveat: #endif case __NR_execve: - return 5; + return AUDITSC_EXECVE; default: - return 0; + return AUDITSC_NATIVE; } } diff --git a/lib/compat_audit.c b/lib/compat_audit.c index 77eabad69b4a..a38b282d353f 100644 --- a/lib/compat_audit.c +++ b/lib/compat_audit.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 #include #include +#include #include unsigned compat_dir_class[] = { @@ -33,19 +34,19 @@ int audit_classify_compat_syscall(int abi, unsigned syscall) switch (syscall) { #ifdef __NR_open case __NR_open: - return 2; + return AUDITSC_OPEN; #endif #ifdef __NR_openat case __NR_openat: - return 3; + return AUDITSC_OPENAT; #endif #ifdef __NR_socketcall case __NR_socketcall: - return 4; + return AUDITSC_SOCKETCALL; #endif case __NR_execve: - return 5; + return AUDITSC_EXECVE; default: - return 1; + return AUDITSC_COMPAT; } } -- 2.27.0 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-21.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 34CD8C433B4 for ; Wed, 19 May 2021 20:04:58 +0000 (UTC) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [216.205.24.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id BA77E611BD for ; Wed, 19 May 2021 20:04:57 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BA77E611BD Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=tempfail smtp.mailfrom=linux-audit-bounces@redhat.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1621454696; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:list-id:list-help: list-unsubscribe:list-subscribe:list-post; bh=KrsrawcpGtomnujifdJkKcZJ6n0v+Gr6Zg/wODCpbLw=; b=i9u8vtBGD19p2JMEOF/gN7+CPTnsR6fMGwi29x1YBKaekKJDohPTNV4mqBbrtd6+tWyrsa kyjHj9ogrIVgs6uvokwkCYTRiyYHUi18TTBBuhPlq0NUnIMNBQxgAfpusGWJXcMj/uizOg 7gMyryJhk3TYAxinjpF88foTz5Ylfyw= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-269-v3YnVE8CNvWjbFNhv_Aolw-1; Wed, 19 May 2021 16:04:54 -0400 X-MC-Unique: v3YnVE8CNvWjbFNhv_Aolw-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id E9699107ACCA; Wed, 19 May 2021 20:04:50 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.21]) by smtp.corp.redhat.com (Postfix) with ESMTPS id BF2E51A866; Wed, 19 May 2021 20:04:50 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id 9D1FB55353; Wed, 19 May 2021 20:04:50 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id 14JK1qDI025062 for ; Wed, 19 May 2021 16:01:52 -0400 Received: by smtp.corp.redhat.com (Postfix) id B07C9424D; Wed, 19 May 2021 20:01:52 +0000 (UTC) Received: from madcap2.tricolour.ca (unknown [10.3.128.45]) by smtp.corp.redhat.com (Postfix) with ESMTP id BAFFE60BF1; Wed, 19 May 2021 20:01:48 +0000 (UTC) From: Richard Guy Briggs To: Linux-Audit Mailing List , LKML , linux-fsdevel@vger.kernel.org Subject: [PATCH v4 1/3] audit: replace magic audit syscall class numbers with macros Date: Wed, 19 May 2021 16:00:20 -0400 Message-Id: <2300b1083a32aade7ae7efb95826e8f3f260b1df.1621363275.git.rgb@redhat.com> In-Reply-To: References: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-loop: linux-audit@redhat.com Cc: linux-s390@vger.kernel.org, linux-ia64@vger.kernel.org, linux-parisc@vger.kernel.org, Arnd Bergmann , Richard Guy Briggs , x86@kernel.org, Eric Paris , Aleksa Sarai , Alexander Viro , linux-alpha@vger.kernel.org, sparclinux@vger.kernel.org, Eric Paris , linuxppc-dev@lists.ozlabs.org X-BeenThere: linux-audit@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Linux Audit Discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-audit-bounces@redhat.com Errors-To: linux-audit-bounces@redhat.com X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=linux-audit-bounces@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Replace audit syscall class magic numbers with macros. This required putting the macros into new header file include/linux/auditsc_classmacros.h since the syscall macros were included for both 64 bit and 32 bit in any compat code, causing redefinition warnings. Signed-off-by: Richard Guy Briggs Link: https://lore.kernel.org/r/2300b1083a32aade7ae7efb95826e8f3f260b1df.1621363275.git.rgb@redhat.com --- MAINTAINERS | 1 + arch/alpha/kernel/audit.c | 8 ++++---- arch/ia64/kernel/audit.c | 8 ++++---- arch/parisc/kernel/audit.c | 8 ++++---- arch/parisc/kernel/compat_audit.c | 9 +++++---- arch/powerpc/kernel/audit.c | 10 +++++----- arch/powerpc/kernel/compat_audit.c | 11 ++++++----- arch/s390/kernel/audit.c | 10 +++++----- arch/s390/kernel/compat_audit.c | 11 ++++++----- arch/sparc/kernel/audit.c | 10 +++++----- arch/sparc/kernel/compat_audit.c | 11 ++++++----- arch/x86/ia32/audit.c | 11 ++++++----- arch/x86/kernel/audit_64.c | 8 ++++---- include/linux/audit.h | 1 + include/linux/auditsc_classmacros.h | 23 +++++++++++++++++++++++ kernel/auditsc.c | 12 ++++++------ lib/audit.c | 10 +++++----- lib/compat_audit.c | 11 ++++++----- 18 files changed, 102 insertions(+), 71 deletions(-) create mode 100644 include/linux/auditsc_classmacros.h diff --git a/MAINTAINERS b/MAINTAINERS index bd7aff0c120f..3348d12019f9 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -3036,6 +3036,7 @@ W: https://github.com/linux-audit T: git git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit.git F: include/asm-generic/audit_*.h F: include/linux/audit.h +F: include/linux/auditsc_classmacros.h F: include/uapi/linux/audit.h F: kernel/audit* F: lib/*audit.c diff --git a/arch/alpha/kernel/audit.c b/arch/alpha/kernel/audit.c index 96a9d18ff4c4..81cbd804e375 100644 --- a/arch/alpha/kernel/audit.c +++ b/arch/alpha/kernel/audit.c @@ -37,13 +37,13 @@ int audit_classify_syscall(int abi, unsigned syscall) { switch(syscall) { case __NR_open: - return 2; + return AUDITSC_OPEN; case __NR_openat: - return 3; + return AUDITSC_OPENAT; case __NR_execve: - return 5; + return AUDITSC_EXECVE; default: - return 0; + return AUDITSC_NATIVE; } } diff --git a/arch/ia64/kernel/audit.c b/arch/ia64/kernel/audit.c index 5192ca899fe6..dba6a74c9ab3 100644 --- a/arch/ia64/kernel/audit.c +++ b/arch/ia64/kernel/audit.c @@ -38,13 +38,13 @@ int audit_classify_syscall(int abi, unsigned syscall) { switch(syscall) { case __NR_open: - return 2; + return AUDITSC_OPEN; case __NR_openat: - return 3; + return AUDITSC_OPENAT; case __NR_execve: - return 5; + return AUDITSC_EXECVE; default: - return 0; + return AUDITSC_NATIVE; } } diff --git a/arch/parisc/kernel/audit.c b/arch/parisc/kernel/audit.c index 9eb47b2225d2..14244e83db75 100644 --- a/arch/parisc/kernel/audit.c +++ b/arch/parisc/kernel/audit.c @@ -47,13 +47,13 @@ int audit_classify_syscall(int abi, unsigned syscall) #endif switch (syscall) { case __NR_open: - return 2; + return AUDITSC_OPEN; case __NR_openat: - return 3; + return AUDITSC_OPENAT; case __NR_execve: - return 5; + return AUDITSC_EXECVE; default: - return 0; + return AUDITSC_NATIVE; } } diff --git a/arch/parisc/kernel/compat_audit.c b/arch/parisc/kernel/compat_audit.c index 20c39c9d86a9..1d6347d37d92 100644 --- a/arch/parisc/kernel/compat_audit.c +++ b/arch/parisc/kernel/compat_audit.c @@ -1,4 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 +#include #include unsigned int parisc32_dir_class[] = { @@ -30,12 +31,12 @@ int parisc32_classify_syscall(unsigned syscall) { switch (syscall) { case __NR_open: - return 2; + return AUDITSC_OPEN; case __NR_openat: - return 3; + return AUDITSC_OPENAT; case __NR_execve: - return 5; + return AUDITSC_EXECVE; default: - return 1; + return AUDITSC_COMPAT; } } diff --git a/arch/powerpc/kernel/audit.c b/arch/powerpc/kernel/audit.c index a2dddd7f3d09..6eb18ef77dff 100644 --- a/arch/powerpc/kernel/audit.c +++ b/arch/powerpc/kernel/audit.c @@ -47,15 +47,15 @@ int audit_classify_syscall(int abi, unsigned syscall) #endif switch(syscall) { case __NR_open: - return 2; + return AUDITSC_OPEN; case __NR_openat: - return 3; + return AUDITSC_OPENAT; case __NR_socketcall: - return 4; + return AUDITSC_SOCKETCALL; case __NR_execve: - return 5; + return AUDITSC_EXECVE; default: - return 0; + return AUDITSC_NATIVE; } } diff --git a/arch/powerpc/kernel/compat_audit.c b/arch/powerpc/kernel/compat_audit.c index 55c6ccda0a85..b1dc2d1c4bad 100644 --- a/arch/powerpc/kernel/compat_audit.c +++ b/arch/powerpc/kernel/compat_audit.c @@ -1,5 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 #undef __powerpc64__ +#include #include unsigned ppc32_dir_class[] = { @@ -31,14 +32,14 @@ int ppc32_classify_syscall(unsigned syscall) { switch(syscall) { case __NR_open: - return 2; + return AUDITSC_OPEN; case __NR_openat: - return 3; + return AUDITSC_OPENAT; case __NR_socketcall: - return 4; + return AUDITSC_SOCKETCALL; case __NR_execve: - return 5; + return AUDITSC_EXECVE; default: - return 1; + return AUDITSC_COMPAT; } } diff --git a/arch/s390/kernel/audit.c b/arch/s390/kernel/audit.c index d395c6c9944c..7e331e1831d4 100644 --- a/arch/s390/kernel/audit.c +++ b/arch/s390/kernel/audit.c @@ -47,15 +47,15 @@ int audit_classify_syscall(int abi, unsigned syscall) #endif switch(syscall) { case __NR_open: - return 2; + return AUDITSC_OPEN; case __NR_openat: - return 3; + return AUDITSC_OPENAT; case __NR_socketcall: - return 4; + return AUDITSC_SOCKETCALL; case __NR_execve: - return 5; + return AUDITSC_EXECVE; default: - return 0; + return AUDITSC_NATIVE; } } diff --git a/arch/s390/kernel/compat_audit.c b/arch/s390/kernel/compat_audit.c index 444fb1f66944..fc3d1c7ad21c 100644 --- a/arch/s390/kernel/compat_audit.c +++ b/arch/s390/kernel/compat_audit.c @@ -1,5 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 #undef __s390x__ +#include #include #include "audit.h" @@ -32,14 +33,14 @@ int s390_classify_syscall(unsigned syscall) { switch(syscall) { case __NR_open: - return 2; + return AUDITSC_OPEN; case __NR_openat: - return 3; + return AUDITSC_OPENAT; case __NR_socketcall: - return 4; + return AUDITSC_SOCKETCALL; case __NR_execve: - return 5; + return AUDITSC_EXECVE; default: - return 1; + return AUDITSC_COMPAT; } } diff --git a/arch/sparc/kernel/audit.c b/arch/sparc/kernel/audit.c index a6e91bf34d48..50fab35bdaba 100644 --- a/arch/sparc/kernel/audit.c +++ b/arch/sparc/kernel/audit.c @@ -48,15 +48,15 @@ int audit_classify_syscall(int abi, unsigned int syscall) #endif switch(syscall) { case __NR_open: - return 2; + return AUDITSC_OPEN; case __NR_openat: - return 3; + return AUDITSC_OPENAT; case __NR_socketcall: - return 4; + return AUDITSC_SOCKETCALL; case __NR_execve: - return 5; + return AUDITSC_EXECVE; default: - return 0; + return AUDITSC_NATIVE; } } diff --git a/arch/sparc/kernel/compat_audit.c b/arch/sparc/kernel/compat_audit.c index 10eeb4f15b20..1c1b6d075421 100644 --- a/arch/sparc/kernel/compat_audit.c +++ b/arch/sparc/kernel/compat_audit.c @@ -1,5 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 #define __32bit_syscall_numbers__ +#include #include #include "kernel.h" @@ -32,14 +33,14 @@ int sparc32_classify_syscall(unsigned int syscall) { switch(syscall) { case __NR_open: - return 2; + return AUDITSC_OPEN; case __NR_openat: - return 3; + return AUDITSC_OPENAT; case __NR_socketcall: - return 4; + return AUDITSC_SOCKETCALL; case __NR_execve: - return 5; + return AUDITSC_EXECVE; default: - return 1; + return AUDITSC_COMPAT; } } diff --git a/arch/x86/ia32/audit.c b/arch/x86/ia32/audit.c index 6efe6cb3768a..eedc37a1ee13 100644 --- a/arch/x86/ia32/audit.c +++ b/arch/x86/ia32/audit.c @@ -1,4 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 +#include #include #include @@ -31,15 +32,15 @@ int ia32_classify_syscall(unsigned syscall) { switch (syscall) { case __NR_open: - return 2; + return AUDITSC_OPEN; case __NR_openat: - return 3; + return AUDITSC_OPENAT; case __NR_socketcall: - return 4; + return AUDITSC_SOCKETCALL; case __NR_execve: case __NR_execveat: - return 5; + return AUDITSC_EXECVE; default: - return 1; + return AUDITSC_COMPAT; } } diff --git a/arch/x86/kernel/audit_64.c b/arch/x86/kernel/audit_64.c index 83d9cad4e68b..2a6cc9c9c881 100644 --- a/arch/x86/kernel/audit_64.c +++ b/arch/x86/kernel/audit_64.c @@ -47,14 +47,14 @@ int audit_classify_syscall(int abi, unsigned syscall) #endif switch(syscall) { case __NR_open: - return 2; + return AUDITSC_OPEN; case __NR_openat: - return 3; + return AUDITSC_OPENAT; case __NR_execve: case __NR_execveat: - return 5; + return AUDITSC_EXECVE; default: - return 0; + return AUDITSC_NATIVE; } } diff --git a/include/linux/audit.h b/include/linux/audit.h index 82b7c1116a85..283bc91a6932 100644 --- a/include/linux/audit.h +++ b/include/linux/audit.h @@ -11,6 +11,7 @@ #include #include +#include /* syscall class macros */ #include #include diff --git a/include/linux/auditsc_classmacros.h b/include/linux/auditsc_classmacros.h new file mode 100644 index 000000000000..18757d270961 --- /dev/null +++ b/include/linux/auditsc_classmacros.h @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* auditsc_classmacros.h -- Auditing support syscall macros + * + * Copyright 2021 Red Hat Inc., Durham, North Carolina. + * All Rights Reserved. + * + * Author: Richard Guy Briggs + */ +#ifndef _LINUX_AUDITSCM_H_ +#define _LINUX_AUDITSCM_H_ + +enum auditsc_class_t { + AUDITSC_NATIVE = 0, + AUDITSC_COMPAT, + AUDITSC_OPEN, + AUDITSC_OPENAT, + AUDITSC_SOCKETCALL, + AUDITSC_EXECVE, + + AUDITSC_NVALS /* count */ +}; + +#endif diff --git a/kernel/auditsc.c b/kernel/auditsc.c index 0a9a1569f1ea..d775ea16505b 100644 --- a/kernel/auditsc.c +++ b/kernel/auditsc.c @@ -166,7 +166,7 @@ static int audit_match_perm(struct audit_context *ctx, int mask) n = ctx->major; switch (audit_classify_syscall(ctx->arch, n)) { - case 0: /* native */ + case AUDITSC_NATIVE: if ((mask & AUDIT_PERM_WRITE) && audit_match_class(AUDIT_CLASS_WRITE, n)) return 1; @@ -177,7 +177,7 @@ static int audit_match_perm(struct audit_context *ctx, int mask) audit_match_class(AUDIT_CLASS_CHATTR, n)) return 1; return 0; - case 1: /* 32bit on biarch */ + case AUDITSC_COMPAT: /* 32bit on biarch */ if ((mask & AUDIT_PERM_WRITE) && audit_match_class(AUDIT_CLASS_WRITE_32, n)) return 1; @@ -188,13 +188,13 @@ static int audit_match_perm(struct audit_context *ctx, int mask) audit_match_class(AUDIT_CLASS_CHATTR_32, n)) return 1; return 0; - case 2: /* open */ + case AUDITSC_OPEN: return mask & ACC_MODE(ctx->argv[1]); - case 3: /* openat */ + case AUDITSC_OPENAT: return mask & ACC_MODE(ctx->argv[2]); - case 4: /* socketcall */ + case AUDITSC_SOCKETCALL: return ((mask & AUDIT_PERM_WRITE) && ctx->argv[0] == SYS_BIND); - case 5: /* execve */ + case AUDITSC_EXECVE: return mask & AUDIT_PERM_EXEC; default: return 0; diff --git a/lib/audit.c b/lib/audit.c index 5004bff928a7..3ec1a94d8d64 100644 --- a/lib/audit.c +++ b/lib/audit.c @@ -45,23 +45,23 @@ int audit_classify_syscall(int abi, unsigned syscall) switch(syscall) { #ifdef __NR_open case __NR_open: - return 2; + return AUDITSC_OPEN; #endif #ifdef __NR_openat case __NR_openat: - return 3; + return AUDITSC_OPENAT; #endif #ifdef __NR_socketcall case __NR_socketcall: - return 4; + return AUDITSC_SOCKETCALL; #endif #ifdef __NR_execveat case __NR_execveat: #endif case __NR_execve: - return 5; + return AUDITSC_EXECVE; default: - return 0; + return AUDITSC_NATIVE; } } diff --git a/lib/compat_audit.c b/lib/compat_audit.c index 77eabad69b4a..a38b282d353f 100644 --- a/lib/compat_audit.c +++ b/lib/compat_audit.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 #include #include +#include #include unsigned compat_dir_class[] = { @@ -33,19 +34,19 @@ int audit_classify_compat_syscall(int abi, unsigned syscall) switch (syscall) { #ifdef __NR_open case __NR_open: - return 2; + return AUDITSC_OPEN; #endif #ifdef __NR_openat case __NR_openat: - return 3; + return AUDITSC_OPENAT; #endif #ifdef __NR_socketcall case __NR_socketcall: - return 4; + return AUDITSC_SOCKETCALL; #endif case __NR_execve: - return 5; + return AUDITSC_EXECVE; default: - return 1; + return AUDITSC_COMPAT; } } -- 2.27.0 -- Linux-audit mailing list Linux-audit@redhat.com https://listman.redhat.com/mailman/listinfo/linux-audit From mboxrd@z Thu Jan 1 00:00:00 1970 From: Richard Guy Briggs Date: Wed, 19 May 2021 20:00:20 +0000 Subject: [PATCH v4 1/3] audit: replace magic audit syscall class numbers with macros Message-Id: <2300b1083a32aade7ae7efb95826e8f3f260b1df.1621363275.git.rgb@redhat.com> List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Linux-Audit Mailing List , LKML , linux-fsdevel@vger.kernel.org Cc: Paul Moore , Eric Paris , Steve Grubb , Richard Guy Briggs , Alexander Viro , Eric Paris , x86@kernel.org, linux-alpha@vger.kernel.org, linux-ia64@vger.kernel.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, sparclinux@vger.kernel.org, Aleksa Sarai , Arnd Bergmann Replace audit syscall class magic numbers with macros. This required putting the macros into new header file include/linux/auditsc_classmacros.h since the syscall macros were included for both 64 bit and 32 bit in any compat code, causing redefinition warnings. Signed-off-by: Richard Guy Briggs Link: https://lore.kernel.org/r/2300b1083a32aade7ae7efb95826e8f3f260b1df.1621363275.git.rgb@redhat.com --- MAINTAINERS | 1 + arch/alpha/kernel/audit.c | 8 ++++---- arch/ia64/kernel/audit.c | 8 ++++---- arch/parisc/kernel/audit.c | 8 ++++---- arch/parisc/kernel/compat_audit.c | 9 +++++---- arch/powerpc/kernel/audit.c | 10 +++++----- arch/powerpc/kernel/compat_audit.c | 11 ++++++----- arch/s390/kernel/audit.c | 10 +++++----- arch/s390/kernel/compat_audit.c | 11 ++++++----- arch/sparc/kernel/audit.c | 10 +++++----- arch/sparc/kernel/compat_audit.c | 11 ++++++----- arch/x86/ia32/audit.c | 11 ++++++----- arch/x86/kernel/audit_64.c | 8 ++++---- include/linux/audit.h | 1 + include/linux/auditsc_classmacros.h | 23 +++++++++++++++++++++++ kernel/auditsc.c | 12 ++++++------ lib/audit.c | 10 +++++----- lib/compat_audit.c | 11 ++++++----- 18 files changed, 102 insertions(+), 71 deletions(-) create mode 100644 include/linux/auditsc_classmacros.h diff --git a/MAINTAINERS b/MAINTAINERS index bd7aff0c120f..3348d12019f9 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -3036,6 +3036,7 @@ W: https://github.com/linux-audit T: git git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit.git F: include/asm-generic/audit_*.h F: include/linux/audit.h +F: include/linux/auditsc_classmacros.h F: include/uapi/linux/audit.h F: kernel/audit* F: lib/*audit.c diff --git a/arch/alpha/kernel/audit.c b/arch/alpha/kernel/audit.c index 96a9d18ff4c4..81cbd804e375 100644 --- a/arch/alpha/kernel/audit.c +++ b/arch/alpha/kernel/audit.c @@ -37,13 +37,13 @@ int audit_classify_syscall(int abi, unsigned syscall) { switch(syscall) { case __NR_open: - return 2; + return AUDITSC_OPEN; case __NR_openat: - return 3; + return AUDITSC_OPENAT; case __NR_execve: - return 5; + return AUDITSC_EXECVE; default: - return 0; + return AUDITSC_NATIVE; } } diff --git a/arch/ia64/kernel/audit.c b/arch/ia64/kernel/audit.c index 5192ca899fe6..dba6a74c9ab3 100644 --- a/arch/ia64/kernel/audit.c +++ b/arch/ia64/kernel/audit.c @@ -38,13 +38,13 @@ int audit_classify_syscall(int abi, unsigned syscall) { switch(syscall) { case __NR_open: - return 2; + return AUDITSC_OPEN; case __NR_openat: - return 3; + return AUDITSC_OPENAT; case __NR_execve: - return 5; + return AUDITSC_EXECVE; default: - return 0; + return AUDITSC_NATIVE; } } diff --git a/arch/parisc/kernel/audit.c b/arch/parisc/kernel/audit.c index 9eb47b2225d2..14244e83db75 100644 --- a/arch/parisc/kernel/audit.c +++ b/arch/parisc/kernel/audit.c @@ -47,13 +47,13 @@ int audit_classify_syscall(int abi, unsigned syscall) #endif switch (syscall) { case __NR_open: - return 2; + return AUDITSC_OPEN; case __NR_openat: - return 3; + return AUDITSC_OPENAT; case __NR_execve: - return 5; + return AUDITSC_EXECVE; default: - return 0; + return AUDITSC_NATIVE; } } diff --git a/arch/parisc/kernel/compat_audit.c b/arch/parisc/kernel/compat_audit.c index 20c39c9d86a9..1d6347d37d92 100644 --- a/arch/parisc/kernel/compat_audit.c +++ b/arch/parisc/kernel/compat_audit.c @@ -1,4 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 +#include #include unsigned int parisc32_dir_class[] = { @@ -30,12 +31,12 @@ int parisc32_classify_syscall(unsigned syscall) { switch (syscall) { case __NR_open: - return 2; + return AUDITSC_OPEN; case __NR_openat: - return 3; + return AUDITSC_OPENAT; case __NR_execve: - return 5; + return AUDITSC_EXECVE; default: - return 1; + return AUDITSC_COMPAT; } } diff --git a/arch/powerpc/kernel/audit.c b/arch/powerpc/kernel/audit.c index a2dddd7f3d09..6eb18ef77dff 100644 --- a/arch/powerpc/kernel/audit.c +++ b/arch/powerpc/kernel/audit.c @@ -47,15 +47,15 @@ int audit_classify_syscall(int abi, unsigned syscall) #endif switch(syscall) { case __NR_open: - return 2; + return AUDITSC_OPEN; case __NR_openat: - return 3; + return AUDITSC_OPENAT; case __NR_socketcall: - return 4; + return AUDITSC_SOCKETCALL; case __NR_execve: - return 5; + return AUDITSC_EXECVE; default: - return 0; + return AUDITSC_NATIVE; } } diff --git a/arch/powerpc/kernel/compat_audit.c b/arch/powerpc/kernel/compat_audit.c index 55c6ccda0a85..b1dc2d1c4bad 100644 --- a/arch/powerpc/kernel/compat_audit.c +++ b/arch/powerpc/kernel/compat_audit.c @@ -1,5 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 #undef __powerpc64__ +#include #include unsigned ppc32_dir_class[] = { @@ -31,14 +32,14 @@ int ppc32_classify_syscall(unsigned syscall) { switch(syscall) { case __NR_open: - return 2; + return AUDITSC_OPEN; case __NR_openat: - return 3; + return AUDITSC_OPENAT; case __NR_socketcall: - return 4; + return AUDITSC_SOCKETCALL; case __NR_execve: - return 5; + return AUDITSC_EXECVE; default: - return 1; + return AUDITSC_COMPAT; } } diff --git a/arch/s390/kernel/audit.c b/arch/s390/kernel/audit.c index d395c6c9944c..7e331e1831d4 100644 --- a/arch/s390/kernel/audit.c +++ b/arch/s390/kernel/audit.c @@ -47,15 +47,15 @@ int audit_classify_syscall(int abi, unsigned syscall) #endif switch(syscall) { case __NR_open: - return 2; + return AUDITSC_OPEN; case __NR_openat: - return 3; + return AUDITSC_OPENAT; case __NR_socketcall: - return 4; + return AUDITSC_SOCKETCALL; case __NR_execve: - return 5; + return AUDITSC_EXECVE; default: - return 0; + return AUDITSC_NATIVE; } } diff --git a/arch/s390/kernel/compat_audit.c b/arch/s390/kernel/compat_audit.c index 444fb1f66944..fc3d1c7ad21c 100644 --- a/arch/s390/kernel/compat_audit.c +++ b/arch/s390/kernel/compat_audit.c @@ -1,5 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 #undef __s390x__ +#include #include #include "audit.h" @@ -32,14 +33,14 @@ int s390_classify_syscall(unsigned syscall) { switch(syscall) { case __NR_open: - return 2; + return AUDITSC_OPEN; case __NR_openat: - return 3; + return AUDITSC_OPENAT; case __NR_socketcall: - return 4; + return AUDITSC_SOCKETCALL; case __NR_execve: - return 5; + return AUDITSC_EXECVE; default: - return 1; + return AUDITSC_COMPAT; } } diff --git a/arch/sparc/kernel/audit.c b/arch/sparc/kernel/audit.c index a6e91bf34d48..50fab35bdaba 100644 --- a/arch/sparc/kernel/audit.c +++ b/arch/sparc/kernel/audit.c @@ -48,15 +48,15 @@ int audit_classify_syscall(int abi, unsigned int syscall) #endif switch(syscall) { case __NR_open: - return 2; + return AUDITSC_OPEN; case __NR_openat: - return 3; + return AUDITSC_OPENAT; case __NR_socketcall: - return 4; + return AUDITSC_SOCKETCALL; case __NR_execve: - return 5; + return AUDITSC_EXECVE; default: - return 0; + return AUDITSC_NATIVE; } } diff --git a/arch/sparc/kernel/compat_audit.c b/arch/sparc/kernel/compat_audit.c index 10eeb4f15b20..1c1b6d075421 100644 --- a/arch/sparc/kernel/compat_audit.c +++ b/arch/sparc/kernel/compat_audit.c @@ -1,5 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 #define __32bit_syscall_numbers__ +#include #include #include "kernel.h" @@ -32,14 +33,14 @@ int sparc32_classify_syscall(unsigned int syscall) { switch(syscall) { case __NR_open: - return 2; + return AUDITSC_OPEN; case __NR_openat: - return 3; + return AUDITSC_OPENAT; case __NR_socketcall: - return 4; + return AUDITSC_SOCKETCALL; case __NR_execve: - return 5; + return AUDITSC_EXECVE; default: - return 1; + return AUDITSC_COMPAT; } } diff --git a/arch/x86/ia32/audit.c b/arch/x86/ia32/audit.c index 6efe6cb3768a..eedc37a1ee13 100644 --- a/arch/x86/ia32/audit.c +++ b/arch/x86/ia32/audit.c @@ -1,4 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 +#include #include #include @@ -31,15 +32,15 @@ int ia32_classify_syscall(unsigned syscall) { switch (syscall) { case __NR_open: - return 2; + return AUDITSC_OPEN; case __NR_openat: - return 3; + return AUDITSC_OPENAT; case __NR_socketcall: - return 4; + return AUDITSC_SOCKETCALL; case __NR_execve: case __NR_execveat: - return 5; + return AUDITSC_EXECVE; default: - return 1; + return AUDITSC_COMPAT; } } diff --git a/arch/x86/kernel/audit_64.c b/arch/x86/kernel/audit_64.c index 83d9cad4e68b..2a6cc9c9c881 100644 --- a/arch/x86/kernel/audit_64.c +++ b/arch/x86/kernel/audit_64.c @@ -47,14 +47,14 @@ int audit_classify_syscall(int abi, unsigned syscall) #endif switch(syscall) { case __NR_open: - return 2; + return AUDITSC_OPEN; case __NR_openat: - return 3; + return AUDITSC_OPENAT; case __NR_execve: case __NR_execveat: - return 5; + return AUDITSC_EXECVE; default: - return 0; + return AUDITSC_NATIVE; } } diff --git a/include/linux/audit.h b/include/linux/audit.h index 82b7c1116a85..283bc91a6932 100644 --- a/include/linux/audit.h +++ b/include/linux/audit.h @@ -11,6 +11,7 @@ #include #include +#include /* syscall class macros */ #include #include diff --git a/include/linux/auditsc_classmacros.h b/include/linux/auditsc_classmacros.h new file mode 100644 index 000000000000..18757d270961 --- /dev/null +++ b/include/linux/auditsc_classmacros.h @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* auditsc_classmacros.h -- Auditing support syscall macros + * + * Copyright 2021 Red Hat Inc., Durham, North Carolina. + * All Rights Reserved. + * + * Author: Richard Guy Briggs + */ +#ifndef _LINUX_AUDITSCM_H_ +#define _LINUX_AUDITSCM_H_ + +enum auditsc_class_t { + AUDITSC_NATIVE = 0, + AUDITSC_COMPAT, + AUDITSC_OPEN, + AUDITSC_OPENAT, + AUDITSC_SOCKETCALL, + AUDITSC_EXECVE, + + AUDITSC_NVALS /* count */ +}; + +#endif diff --git a/kernel/auditsc.c b/kernel/auditsc.c index 0a9a1569f1ea..d775ea16505b 100644 --- a/kernel/auditsc.c +++ b/kernel/auditsc.c @@ -166,7 +166,7 @@ static int audit_match_perm(struct audit_context *ctx, int mask) n = ctx->major; switch (audit_classify_syscall(ctx->arch, n)) { - case 0: /* native */ + case AUDITSC_NATIVE: if ((mask & AUDIT_PERM_WRITE) && audit_match_class(AUDIT_CLASS_WRITE, n)) return 1; @@ -177,7 +177,7 @@ static int audit_match_perm(struct audit_context *ctx, int mask) audit_match_class(AUDIT_CLASS_CHATTR, n)) return 1; return 0; - case 1: /* 32bit on biarch */ + case AUDITSC_COMPAT: /* 32bit on biarch */ if ((mask & AUDIT_PERM_WRITE) && audit_match_class(AUDIT_CLASS_WRITE_32, n)) return 1; @@ -188,13 +188,13 @@ static int audit_match_perm(struct audit_context *ctx, int mask) audit_match_class(AUDIT_CLASS_CHATTR_32, n)) return 1; return 0; - case 2: /* open */ + case AUDITSC_OPEN: return mask & ACC_MODE(ctx->argv[1]); - case 3: /* openat */ + case AUDITSC_OPENAT: return mask & ACC_MODE(ctx->argv[2]); - case 4: /* socketcall */ + case AUDITSC_SOCKETCALL: return ((mask & AUDIT_PERM_WRITE) && ctx->argv[0] = SYS_BIND); - case 5: /* execve */ + case AUDITSC_EXECVE: return mask & AUDIT_PERM_EXEC; default: return 0; diff --git a/lib/audit.c b/lib/audit.c index 5004bff928a7..3ec1a94d8d64 100644 --- a/lib/audit.c +++ b/lib/audit.c @@ -45,23 +45,23 @@ int audit_classify_syscall(int abi, unsigned syscall) switch(syscall) { #ifdef __NR_open case __NR_open: - return 2; + return AUDITSC_OPEN; #endif #ifdef __NR_openat case __NR_openat: - return 3; + return AUDITSC_OPENAT; #endif #ifdef __NR_socketcall case __NR_socketcall: - return 4; + return AUDITSC_SOCKETCALL; #endif #ifdef __NR_execveat case __NR_execveat: #endif case __NR_execve: - return 5; + return AUDITSC_EXECVE; default: - return 0; + return AUDITSC_NATIVE; } } diff --git a/lib/compat_audit.c b/lib/compat_audit.c index 77eabad69b4a..a38b282d353f 100644 --- a/lib/compat_audit.c +++ b/lib/compat_audit.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 #include #include +#include #include unsigned compat_dir_class[] = { @@ -33,19 +34,19 @@ int audit_classify_compat_syscall(int abi, unsigned syscall) switch (syscall) { #ifdef __NR_open case __NR_open: - return 2; + return AUDITSC_OPEN; #endif #ifdef __NR_openat case __NR_openat: - return 3; + return AUDITSC_OPENAT; #endif #ifdef __NR_socketcall case __NR_socketcall: - return 4; + return AUDITSC_SOCKETCALL; #endif case __NR_execve: - return 5; + return AUDITSC_EXECVE; default: - return 1; + return AUDITSC_COMPAT; } } -- 2.27.0