From patchwork Tue May 14 12:51:17 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Huth X-Patchwork-Id: 13664077 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 A189DC25B7C for ; Tue, 14 May 2024 12:53:50 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1s6rdB-0005Cc-5n; Tue, 14 May 2024 08:51:45 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1s6rd5-0005BA-OL for qemu-devel@nongnu.org; Tue, 14 May 2024 08:51:39 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1s6rd3-0005Eb-A1 for qemu-devel@nongnu.org; Tue, 14 May 2024 08:51:39 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1715691096; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=F8dKPRh3tTFaxqIfiPPuISRlRC9y16vPm22SPlSQefY=; b=clmhuP/OiefCsypL/N31U1Co6YdbVZyKJusy860+GvAFGBv96EmsoyK4B+B1wL+6HTyo1f ZSEToAOAvAWkNo2uPbKMAk4CyjyR2E6gHSTYtZ/FYAaq6Y4epWiQKps5m/DmqdpUkU3vj/ 39QInOxq6wjsVSr5PGTN+2u7HRfZh34= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-670-zAMKEySLO5WmZfjmgXl4EQ-1; Tue, 14 May 2024 08:51:33 -0400 X-MC-Unique: zAMKEySLO5WmZfjmgXl4EQ-1 Received: from smtp.corp.redhat.com (int-mx09.intmail.prod.int.rdu2.redhat.com [10.11.54.9]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id D8A298016FA; Tue, 14 May 2024 12:51:32 +0000 (UTC) Received: from thuth-p1g4.redhat.com (unknown [10.39.193.26]) by smtp.corp.redhat.com (Postfix) with ESMTP id 438C6400EAC; Tue, 14 May 2024 12:51:32 +0000 (UTC) From: Thomas Huth To: qemu-devel@nongnu.org, Richard Henderson Subject: [PULL 09/11] block/nfs: Use URI parsing code from glib Date: Tue, 14 May 2024 14:51:17 +0200 Message-ID: <20240514125119.284638-10-thuth@redhat.com> In-Reply-To: <20240514125119.284638-1-thuth@redhat.com> References: <20240514125119.284638-1-thuth@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.9 Received-SPF: pass client-ip=170.10.133.124; envelope-from=thuth@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.974, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham 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: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Since version 2.66, glib has useful URI parsing functions, too. Use those instead of the QEMU-internal ones to be finally able to get rid of the latter. While we're at it, slightly rephrase one of the error messages: Use "Invalid value..." instead of "Illegal value..." since the latter rather sounds like the users were breaking a law here. Reviewed-by: Eric Blake Message-ID: <20240418101056.302103-12-thuth@redhat.com> Signed-off-by: Thomas Huth --- block/nfs.c | 110 ++++++++++++++++++++++++++-------------------------- 1 file changed, 54 insertions(+), 56 deletions(-) diff --git a/block/nfs.c b/block/nfs.c index f737e19cd3..60240a8733 100644 --- a/block/nfs.c +++ b/block/nfs.c @@ -38,7 +38,6 @@ #include "qemu/main-loop.h" #include "qemu/module.h" #include "qemu/option.h" -#include "qemu/uri.h" #include "qemu/cutils.h" #include "sysemu/replay.h" #include "qapi/qapi-visit-block-core.h" @@ -79,77 +78,76 @@ typedef struct NFSRPC { static int nfs_parse_uri(const char *filename, QDict *options, Error **errp) { - URI *uri = NULL; - QueryParams *qp = NULL; - int ret = -EINVAL, i; + g_autoptr(GUri) uri = g_uri_parse(filename, G_URI_FLAGS_NONE, NULL); + GUriParamsIter qp; + const char *uri_server, *uri_path, *uri_query; + char *qp_name, *qp_value; + GError *gerror = NULL; - uri = uri_parse(filename); if (!uri) { error_setg(errp, "Invalid URI specified"); - goto out; + return -EINVAL; } - if (g_strcmp0(uri->scheme, "nfs") != 0) { + if (!g_str_equal(g_uri_get_scheme(uri), "nfs")) { error_setg(errp, "URI scheme must be 'nfs'"); - goto out; + return -EINVAL; } - if (!uri->server) { + uri_server = g_uri_get_host(uri); + if (!uri_server || !uri_server[0]) { error_setg(errp, "missing hostname in URI"); - goto out; + return -EINVAL; } - if (!uri->path) { + uri_path = g_uri_get_path(uri); + if (!uri_path || !uri_path[0]) { error_setg(errp, "missing file path in URI"); - goto out; - } - - qp = query_params_parse(uri->query); - if (!qp) { - error_setg(errp, "could not parse query parameters"); - goto out; + return -EINVAL; } - qdict_put_str(options, "server.host", uri->server); + qdict_put_str(options, "server.host", uri_server); qdict_put_str(options, "server.type", "inet"); - qdict_put_str(options, "path", uri->path); - - for (i = 0; i < qp->n; i++) { - uint64_t val; - if (!qp->p[i].value) { - error_setg(errp, "Value for NFS parameter expected: %s", - qp->p[i].name); - goto out; - } - if (parse_uint_full(qp->p[i].value, 0, &val)) { - error_setg(errp, "Illegal value for NFS parameter: %s", - qp->p[i].name); - goto out; - } - if (!strcmp(qp->p[i].name, "uid")) { - qdict_put_str(options, "user", qp->p[i].value); - } else if (!strcmp(qp->p[i].name, "gid")) { - qdict_put_str(options, "group", qp->p[i].value); - } else if (!strcmp(qp->p[i].name, "tcp-syncnt")) { - qdict_put_str(options, "tcp-syn-count", qp->p[i].value); - } else if (!strcmp(qp->p[i].name, "readahead")) { - qdict_put_str(options, "readahead-size", qp->p[i].value); - } else if (!strcmp(qp->p[i].name, "pagecache")) { - qdict_put_str(options, "page-cache-size", qp->p[i].value); - } else if (!strcmp(qp->p[i].name, "debug")) { - qdict_put_str(options, "debug", qp->p[i].value); - } else { - error_setg(errp, "Unknown NFS parameter name: %s", - qp->p[i].name); - goto out; + qdict_put_str(options, "path", uri_path); + + uri_query = g_uri_get_query(uri); + if (uri_query) { + g_uri_params_iter_init(&qp, uri_query, -1, "&", G_URI_PARAMS_NONE); + while (g_uri_params_iter_next(&qp, &qp_name, &qp_value, &gerror)) { + uint64_t val; + if (!qp_name || gerror) { + error_setg(errp, "Failed to parse NFS parameter"); + return -EINVAL; + } + if (!qp_value) { + error_setg(errp, "Value for NFS parameter expected: %s", + qp_name); + return -EINVAL; + } + if (parse_uint_full(qp_value, 0, &val)) { + error_setg(errp, "Invalid value for NFS parameter: %s", + qp_name); + return -EINVAL; + } + if (g_str_equal(qp_name, "uid")) { + qdict_put_str(options, "user", qp_value); + } else if (g_str_equal(qp_name, "gid")) { + qdict_put_str(options, "group", qp_value); + } else if (g_str_equal(qp_name, "tcp-syncnt")) { + qdict_put_str(options, "tcp-syn-count", qp_value); + } else if (g_str_equal(qp_name, "readahead")) { + qdict_put_str(options, "readahead-size", qp_value); + } else if (g_str_equal(qp_name, "pagecache")) { + qdict_put_str(options, "page-cache-size", qp_value); + } else if (g_str_equal(qp_name, "debug")) { + qdict_put_str(options, "debug", qp_value); + } else { + error_setg(errp, "Unknown NFS parameter name: %s", qp_name); + return -EINVAL; + } } } - ret = 0; -out: - if (qp) { - query_params_free(qp); - } - uri_free(uri); - return ret; + + return 0; } static bool nfs_has_filename_options_conflict(QDict *options, Error **errp)