From patchwork Tue Feb 15 19:04:22 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Will Cohen X-Patchwork-Id: 12747527 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 33B43C433F5 for ; Tue, 15 Feb 2022 19:12:38 +0000 (UTC) Received: from localhost ([::1]:46182 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nK3Fd-0000SJ-20 for qemu-devel@archiver.kernel.org; Tue, 15 Feb 2022 14:12:37 -0500 Received: from eggs.gnu.org ([209.51.188.92]:35234) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nK38C-0000wG-DO for qemu-devel@nongnu.org; Tue, 15 Feb 2022 14:04:56 -0500 Received: from [2607:f8b0:4864:20::f29] (port=34783 helo=mail-qv1-xf29.google.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1nK389-0002l0-2U for qemu-devel@nongnu.org; Tue, 15 Feb 2022 14:04:56 -0500 Received: by mail-qv1-xf29.google.com with SMTP id fh9so55522qvb.1 for ; Tue, 15 Feb 2022 11:04:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=axA+qxXpY8sKbyRbqVq801h3dnGKdNQsigejBH57FZ8=; b=PyhSs4o0+mg3EVtKmV1zwXy6vtt8FL8syRdNhaa84qO5No9p/1WhOUlAxDsf5rUKxv fKbhYE5dB+lpsigRji6fsqqg7l81dnt3PI6ebXwX8Pb/1nJ86n5rXtUJotKnfuBksp6N zxjTLDDBtqEJTNHkOM6ybU9FUgcCinRFGnSYWbuWDHtbU8dvbo0DUlN2Fetrly53A8n+ WRuNYdpn5JzBukaC0UjDQvp7bRkY8uVOlIpask8IJvo3XO1sgvy7AogRVsjYs2r1MQIA NJGFXTmjWnhgNZXK5ly6dp1akBT+KL3Ikc4ovc483v8KHfc/fSL3oXDq4ixBAOS4qpiy v0Fg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=axA+qxXpY8sKbyRbqVq801h3dnGKdNQsigejBH57FZ8=; b=fwfoluBDPnxpDiAzuUAFhk8O26aFoxsDrQ6pggdyUj57L0lSNNedfhs6GaWmUGnVom t1hXBUK6xh9rER5tSwW+mVNqD5nHfZ8ucC95sombJ6WRl3XGgn46rAtS8SL8I/fy/rJ8 0OXZy4Wcqe25zfuuykJWe/WI/CcVfquohlb6vrKLMEaXvN5mHlwi48/wsRO8s1f8Rgpz GTT6Pw0fXpi56ael9BnOrWiErvRRKthafc93irCKt1Ttvmv42mKPpcQSF6eXt20PU7/B lpqvO2NghWzAoIXt5x1WX4ZA5m6YP9fOmfSxiGQEUJ5KpAf6pN0sAkUNRvBVw3yKOMB0 20Aw== X-Gm-Message-State: AOAM5307FCRhrynsZS9cTJu363JqgEloI2CXeSCSPqROXxf2rxMWP9Iv c8yi+ajHesEAOIA1AfA8XMTmaCFDFARHBg== X-Google-Smtp-Source: ABdhPJw3pBy2MaFf25fIbdCqiUS0BwdzIwVV4h6dC2LO561ahexuSE6BIRAY/GCW0Oun76SIAmh6TA== X-Received: by 2002:a0c:ed23:: with SMTP id u3mr441793qvq.74.1644951891723; Tue, 15 Feb 2022 11:04:51 -0800 (PST) Received: from localhost.localdomain (209-6-248-219.s2265.c3-0.wrx-ubr1.sbo-wrx.ma.cable.rcncustomer.com. [209.6.248.219]) by smtp.gmail.com with ESMTPSA id w10sm21364527qtj.73.2022.02.15.11.04.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 15 Feb 2022 11:04:51 -0800 (PST) From: Will Cohen To: qemu-devel@nongnu.org Subject: [PATCH v7 07/11] 9p: darwin: *xattr_nofollow implementations Date: Tue, 15 Feb 2022 14:04:22 -0500 Message-Id: <20220215190426.56130-8-wwcohen@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220215190426.56130-1-wwcohen@gmail.com> References: <20220215190426.56130-1-wwcohen@gmail.com> MIME-Version: 1.0 X-Host-Lookup-Failed: Reverse DNS lookup failed for 2607:f8b0:4864:20::f29 (failed) Received-SPF: pass client-ip=2607:f8b0:4864:20::f29; envelope-from=wwcohen@gmail.com; helo=mail-qv1-xf29.google.com X-Spam_score_int: -3 X-Spam_score: -0.4 X-Spam_bar: / X-Spam_report: (-0.4 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, PDS_HP_HELO_NORDNS=0.904, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Laurent Vivier , Thomas Huth , Christian Schoenebeck , =?utf-8?q?Philippe_Mathieu-?= =?utf-8?q?Daud=C3=A9?= , Greg Kurz , hi@alyssa.is, Michael Roitzsch , Will Cohen , Paolo Bonzini , Keno Fischer Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Keno Fischer This implements the darwin equivalent of the functions that were moved to 9p-util(-linux) earlier in this series in the new 9p-util-darwin file. Signed-off-by: Keno Fischer [Michael Roitzsch: - Rebase for NixOS] Signed-off-by: Michael Roitzsch Signed-off-by: Will Cohen --- hw/9pfs/9p-util-darwin.c | 64 ++++++++++++++++++++++++++++++++++++++++ hw/9pfs/meson.build | 1 + 2 files changed, 65 insertions(+) create mode 100644 hw/9pfs/9p-util-darwin.c diff --git a/hw/9pfs/9p-util-darwin.c b/hw/9pfs/9p-util-darwin.c new file mode 100644 index 0000000000..cdb4c9e24c --- /dev/null +++ b/hw/9pfs/9p-util-darwin.c @@ -0,0 +1,64 @@ +/* + * 9p utilities (Darwin Implementation) + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ + +#include "qemu/osdep.h" +#include "qemu/xattr.h" +#include "9p-util.h" + +ssize_t fgetxattrat_nofollow(int dirfd, const char *filename, const char *name, + void *value, size_t size) +{ + int ret; + int fd = openat_file(dirfd, filename, + O_RDONLY | O_PATH_9P_UTIL | O_NOFOLLOW, 0); + if (fd == -1) { + return -1; + } + ret = fgetxattr(fd, name, value, size, 0, 0); + close_preserve_errno(fd); + return ret; +} + +ssize_t flistxattrat_nofollow(int dirfd, const char *filename, + char *list, size_t size) +{ + int ret; + int fd = openat_file(dirfd, filename, + O_RDONLY | O_PATH_9P_UTIL | O_NOFOLLOW, 0); + if (fd == -1) { + return -1; + } + ret = flistxattr(fd, list, size, 0); + close_preserve_errno(fd); + return ret; +} + +ssize_t fremovexattrat_nofollow(int dirfd, const char *filename, + const char *name) +{ + int ret; + int fd = openat_file(dirfd, filename, O_PATH_9P_UTIL | O_NOFOLLOW, 0); + if (fd == -1) { + return -1; + } + ret = fremovexattr(fd, name, 0); + close_preserve_errno(fd); + return ret; +} + +int fsetxattrat_nofollow(int dirfd, const char *filename, const char *name, + void *value, size_t size, int flags) +{ + int ret; + int fd = openat_file(dirfd, filename, O_PATH_9P_UTIL | O_NOFOLLOW, 0); + if (fd == -1) { + return -1; + } + ret = fsetxattr(fd, name, value, size, 0, flags); + close_preserve_errno(fd); + return ret; +} diff --git a/hw/9pfs/meson.build b/hw/9pfs/meson.build index 1b28e70040..12443b6ad5 100644 --- a/hw/9pfs/meson.build +++ b/hw/9pfs/meson.build @@ -14,6 +14,7 @@ fs_ss.add(files( 'coxattr.c', )) fs_ss.add(when: 'CONFIG_LINUX', if_true: files('9p-util-linux.c')) +fs_ss.add(when: 'CONFIG_DARWIN', if_true: files('9p-util-darwin.c')) fs_ss.add(when: 'CONFIG_XEN', if_true: files('xen-9p-backend.c')) softmmu_ss.add_all(when: 'CONFIG_FSDEV_9P', if_true: fs_ss)