From nobody Mon Feb 9 16:53:36 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=quarantine dis=none) header.from=crudebyte.com ARC-Seal: i=1; a=rsa-sha256; t=1603150855; cv=none; d=zohomail.com; s=zohoarc; b=XEWU5a3tCNt+q3S6gPOAycGb87toWjtmJYmxbDKT1LE51iSherc5IsMO1NG6X6v/axXYlXMoG75V5nT347oT2aRS4loL+focFhjKU/Z6JfM7+AdeTG+oTmRxfgkKnHaMMegfPqxbSsWqLw8iLwdZEyCS4ECows29EYMXXk5pDO8= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1603150855; h=Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:Message-ID:References:Sender:Subject:To; bh=lWdkIddxkv3MEeZPJP/gDDmRIzmN1mXi+uEoCPz9hCU=; b=j3xnC8+O7DrVIPNurqnPhhL8ptNTTYOOP8TXE2cddruwAtHApvdI+/jbO5X5BwFki3WcrYbwlQ/NctcSB8U5Q3JCzT8W9fB+FwS70kSxXJ2qMxlpF0CkhoQAdEsHmYVgyXXPvNToxyuebGpCuGQNsRcFRiTALO3RuyYQ6xn+sx4= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=quarantine dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1603150855705167.88081431235594; Mon, 19 Oct 2020 16:40:55 -0700 (PDT) Received: from localhost ([::1]:40092 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kUelq-0008Th-L7 for importer@patchew.org; Mon, 19 Oct 2020 19:40:54 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:47878) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kUek0-0006xQ-5j for qemu-devel@nongnu.org; Mon, 19 Oct 2020 19:39:00 -0400 Received: from lizzy.crudebyte.com ([91.194.90.13]:50695) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kUejx-0002Qh-4Z for qemu-devel@nongnu.org; Mon, 19 Oct 2020 19:38:59 -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=lWdkIddxkv3MEeZPJP/gDDmRIzmN1mXi+uEoCPz9hCU=; b=er6Ua b8fd9yw2ui0XwgOJydXg3FeWKQw70j6yH3q9iYMMr2ytd+7R1NN4G+lRF3fxOEExYsOFdZqZsfwUs HxyTf1JK2tRUqmO0tIKnuyHguENPVKAMeEJPQlwub1ccvLTC5u/KyBKaF7aHNe5IU9NFhkvu3hDGf nvsd1/MLyHfTE1HhgO4CKMu1CHXtHI8ypEi+OipUK5/Yz4UGJgi3PoY2chys8loOySHW6rLIz0oGk axfTqXTZ7ouZVyBVL4mYZYUxXs+p3qHacpylu6r7aG90nOUVKP9+G2F3I3eo2DxJvTHLBpn+xdLtm ofLP5ONoQpx8erjX3qmEp6IsDNMyg==; Message-Id: In-Reply-To: References: From: Christian Schoenebeck Date: Tue, 20 Oct 2020 01:13:24 +0200 Subject: [PATCH 5/8] tests/9pfs: add local Tsymlink test To: qemu-devel@nongnu.org Cc: Greg Kurz Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: none client-ip=91.194.90.13; envelope-from=a55f25360474fa2ad5a45803bc8952e4d9eef49b@lizzy.crudebyte.com; helo=lizzy.crudebyte.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/19 19:37:26 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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @crudebyte.com) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" This test case uses a Tsymlink 9p request to create a symbolic link using the 9pfs 'local' fs driver. Signed-off-by: Christian Schoenebeck --- tests/qtest/virtio-9p-test.c | 78 ++++++++++++++++++++++++++++++++++++ 1 file changed, 78 insertions(+) diff --git a/tests/qtest/virtio-9p-test.c b/tests/qtest/virtio-9p-test.c index 06a9f10d34..78f4ed7e5f 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 =3D=3D P9_RWRITE ? "RWRITE" : id =3D=3D P9_RMKDIR ? "RMKDIR" : id =3D=3D P9_RLCREATE ? "RLCREATE" : + id =3D=3D P9_RSYMLINK ? "RSYMLINK" : id =3D=3D P9_RUNLINKAT ? "RUNLINKAT" : id =3D=3D P9_RFLUSH ? "RFLUSH" : id =3D=3D P9_RREADDIR ? "READDIR" : @@ -708,6 +709,39 @@ static void v9fs_rlcreate(P9Req *req, v9fs_qid *qid, u= int32_t *iounit) v9fs_req_free(req); } =20 +/* 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 =3D 4 + 4; + uint16_t string_size =3D v9fs_string_size(name) + v9fs_string_size(sym= tgt); + + g_assert_cmpint(body_size, <=3D, UINT32_MAX - string_size); + body_size +=3D string_size; + + req =3D 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 *n= ame, uint32_t flags, uint16_t tag) @@ -1091,6 +1125,27 @@ static uint32_t fs_lcreate(void *obj, void *data, QG= uestAllocator *t_alloc, return fid; } =20 +/* create symlink named @a clink in directory @a path pointing to @a to */ +static void fs_symlink(void *obj, void *data, QGuestAllocator *t_alloc, + const char *path, const char *clink, const char *to) +{ + QVirtio9P *v9p =3D obj; + alloc =3D t_alloc; + char *const name =3D g_strdup(clink); + char *const dst =3D g_strdup(to); + uint32_t fid; + P9Req *req; + + fid =3D fs_walk_fid(v9p, data, t_alloc, path); + + req =3D 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 fs_unlinkat(void *obj, void *data, QGuestAllocator *t_alloc, const char *atpath, const char *rpath, uint32_t fl= ags) { @@ -1216,6 +1271,28 @@ static void fs_unlinkat_file(void *obj, void *data, = QGuestAllocator *t_alloc) g_free(new_file); } =20 +static void fs_symlink_file(void *obj, void *data, QGuestAllocator *t_allo= c) +{ + QVirtio9P *v9p =3D obj; + struct stat st; + char *real_file =3D virtio_9p_test_path("05/real_file"); + char *symlink_file =3D virtio_9p_test_path("05/symlink_file"); + + fs_attach(v9p, NULL, t_alloc); + fs_mkdir(v9p, data, t_alloc, "/", "05"); + fs_lcreate(v9p, data, t_alloc, "05", "real_file"); + g_assert(stat(real_file, &st) =3D=3D 0); + g_assert((st.st_mode & S_IFMT) =3D=3D S_IFREG); + + fs_symlink(v9p, data, t_alloc, "05", "symlink_file", "real_file"); + + /* check if created link exists now */ + g_assert(stat(symlink_file, &st) =3D=3D 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=3Dmapped-xattr= "); @@ -1259,6 +1336,7 @@ 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, &op= ts); + qos_add_test("local/symlink_file", "virtio-9p", fs_symlink_file, &opts= ); } =20 libqos_init(register_virtio_9p_test); --=20 2.20.1