From patchwork Wed Oct 21 12:33:34 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christian Schoenebeck X-Patchwork-Id: 302399 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=-7.0 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, UNWANTED_LANGUAGE_BODY, URIBL_BLOCKED autolearn=ham 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 D47ABC55178 for ; Wed, 21 Oct 2020 13:26:13 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 4A98E221FC for ; Wed, 21 Oct 2020 13:26:13 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=crudebyte.com header.i=@crudebyte.com header.b="pKGHs1rX" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4A98E221FC Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=crudebyte.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:38290 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kVE84-0006kl-9l for qemu-devel@archiver.kernel.org; Wed, 21 Oct 2020 09:26:12 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:59982) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <84ac76937855bf441242372cc3e62df42f0a3dc4@lizzy.crudebyte.com>) id 1kVE5N-0003Td-TK for qemu-devel@nongnu.org; Wed, 21 Oct 2020 09:23:25 -0400 Received: from lizzy.crudebyte.com ([91.194.90.13]:55907) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <84ac76937855bf441242372cc3e62df42f0a3dc4@lizzy.crudebyte.com>) id 1kVE5M-0003Xf-3W for qemu-devel@nongnu.org; Wed, 21 Oct 2020 09:23:25 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=crudebyte.com; s=lizzy; h=Cc:To:Subject:Date:From:References:In-Reply-To: Message-Id:Content-Type:Content-Transfer-Encoding:MIME-Version:Content-ID: Content-Description; bh=TMZVDqWymrBNxIM0hFUQWZ6jVyyA0ixYlY/+xniKl8c=; b=pKGHs 1rXOzho8RKyslr5EEHYzejXovJ02jciHmYaV7Oz291Nzs6pE5KxLPWuGJOYzMs6QMP60UaMoIi2OL vtcxlYaZKSEFbFlZkrc5czjLcLB21qJ8HQmSUweXMUW+NRaUa+HSlEpjRXZRT+kN1ZzhGaCmNgu+c ki7fRW3eF5WD9rRZyAk+q9UiqZVdyNPImYA52Tr2oPVFiXYmjNjnw1cZtIT1ILR7IQUDC43nsWvAd LPVcRC6/hAY68zp7yIhRadGze4QV3W3TlDWWEBJFyI1gnK1jmZhO5jg5p3v2QuDJ6BO5upbTMv3tm 6rLd2I922bZ4O4KqCKn2F0fjchFng==; Message-Id: <84ac76937855bf441242372cc3e62df42f0a3dc4.1603285620.git.qemu_oss@crudebyte.com> In-Reply-To: References: From: Christian Schoenebeck Date: Wed, 21 Oct 2020 14:33:34 +0200 Subject: [PATCH v2 5/8] tests/9pfs: add local Tsymlink test To: qemu-devel@nongnu.org Cc: Greg Kurz Received-SPF: none client-ip=91.194.90.13; envelope-from=84ac76937855bf441242372cc3e62df42f0a3dc4@lizzy.crudebyte.com; helo=lizzy.crudebyte.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/21 09:21:52 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 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, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" This test case uses a Tsymlink 9p request to create a symbolic link using the 9pfs 'local' fs driver. Signed-off-by: Christian Schoenebeck Reviewed-by: Greg Kurz --- tests/qtest/virtio-9p-test.c | 77 ++++++++++++++++++++++++++++++++++++ 1 file changed, 77 insertions(+) diff --git a/tests/qtest/virtio-9p-test.c b/tests/qtest/virtio-9p-test.c index 6b74a1fd7e..0c11417236 100644 --- a/tests/qtest/virtio-9p-test.c +++ b/tests/qtest/virtio-9p-test.c @@ -259,6 +259,7 @@ static const char *rmessage_name(uint8_t id) id == P9_RWRITE ? "RWRITE" : id == P9_RMKDIR ? "RMKDIR" : id == P9_RLCREATE ? "RLCREATE" : + id == P9_RSYMLINK ? "RSYMLINK" : id == P9_RUNLINKAT ? "RUNLINKAT" : id == P9_RFLUSH ? "RFLUSH" : id == P9_RREADDIR ? "READDIR" : @@ -733,6 +734,39 @@ static void v9fs_rlcreate(P9Req *req, v9fs_qid *qid, uint32_t *iounit) v9fs_req_free(req); } +/* size[4] Tsymlink tag[2] fid[4] name[s] symtgt[s] gid[4] */ +static P9Req *v9fs_tsymlink(QVirtio9P *v9p, uint32_t fid, const char *name, + const char *symtgt, uint32_t gid, uint16_t tag) +{ + P9Req *req; + + uint32_t body_size = 4 + 4; + uint16_t string_size = v9fs_string_size(name) + v9fs_string_size(symtgt); + + g_assert_cmpint(body_size, <=, UINT32_MAX - string_size); + body_size += string_size; + + req = v9fs_req_init(v9p, body_size, P9_TSYMLINK, tag); + v9fs_uint32_write(req, fid); + v9fs_string_write(req, name); + v9fs_string_write(req, symtgt); + v9fs_uint32_write(req, gid); + v9fs_req_send(req); + return req; +} + +/* size[4] Rsymlink tag[2] qid[13] */ +static void v9fs_rsymlink(P9Req *req, v9fs_qid *qid) +{ + v9fs_req_recv(req, P9_RSYMLINK); + if (qid) { + v9fs_memread(req, qid, 13); + } else { + v9fs_memskip(req, 13); + } + v9fs_req_free(req); +} + /* size[4] Tunlinkat tag[2] dirfd[4] name[s] flags[4] */ static P9Req *v9fs_tunlinkat(QVirtio9P *v9p, uint32_t dirfd, const char *name, uint32_t flags, uint16_t tag) @@ -1089,6 +1123,25 @@ static uint32_t do_lcreate(QVirtio9P *v9p, const char *path, return fid; } +/* create symlink named @a clink in directory @a path pointing to @a to */ +static void do_symlink(QVirtio9P *v9p, const char *path, const char *clink, + const char *to) +{ + char *const name = g_strdup(clink); + char *const dst = g_strdup(to); + uint32_t fid; + P9Req *req; + + fid = do_walk(v9p, path); + + req = v9fs_tsymlink(v9p, fid, name, dst, 0, 0); + v9fs_req_wait_for_reply(req, NULL); + v9fs_rsymlink(req, NULL); + + g_free(dst); + g_free(name); +} + static void do_unlinkat(QVirtio9P *v9p, const char *atpath, const char *rpath, uint32_t flags) { @@ -1219,6 +1272,29 @@ static void fs_unlinkat_file(void *obj, void *data, QGuestAllocator *t_alloc) g_free(new_file); } +static void fs_symlink_file(void *obj, void *data, QGuestAllocator *t_alloc) +{ + QVirtio9P *v9p = obj; + alloc = t_alloc; + struct stat st; + char *real_file = virtio_9p_test_path("05/real_file"); + char *symlink_file = virtio_9p_test_path("05/symlink_file"); + + do_attach(v9p); + do_mkdir(v9p, "/", "05"); + do_lcreate(v9p, "05", "real_file"); + g_assert(stat(real_file, &st) == 0); + g_assert((st.st_mode & S_IFMT) == S_IFREG); + + do_symlink(v9p, "05", "symlink_file", "real_file"); + + /* check if created link exists now */ + g_assert(stat(symlink_file, &st) == 0); + + g_free(symlink_file); + g_free(real_file); +} + static void *assign_9p_local_driver(GString *cmd_line, void *arg) { virtio_9p_assign_local_driver(cmd_line, "security_model=mapped-xattr"); @@ -1262,6 +1338,7 @@ static void register_virtio_9p_test(void) qos_add_test("local/unlinkat_dir", "virtio-9p", fs_unlinkat_dir, &opts); qos_add_test("local/create_file", "virtio-9p", fs_create_file, &opts); qos_add_test("local/unlinkat_file", "virtio-9p", fs_unlinkat_file, &opts); + qos_add_test("local/symlink_file", "virtio-9p", fs_symlink_file, &opts); } libqos_init(register_virtio_9p_test);