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GET /api/patches/815919/?format=api
{ "id": 815919, "url": "http://patchwork.ozlabs.org/api/patches/815919/?format=api", "web_url": "http://patchwork.ozlabs.org/project/openvswitch/patch/20170919220125.32535-27-blp@ovn.org/", "project": { "id": 47, "url": "http://patchwork.ozlabs.org/api/projects/47/?format=api", "name": "Open vSwitch", "link_name": "openvswitch", "list_id": "ovs-dev.openvswitch.org", "list_email": "ovs-dev@openvswitch.org", "web_url": "http://openvswitch.org/", "scm_url": "git@github.com:openvswitch/ovs.git", "webscm_url": "https://github.com/openvswitch/ovs", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20170919220125.32535-27-blp@ovn.org>", "list_archive_url": null, "date": "2017-09-19T22:00:59", "name": "[ovs-dev,RFC,26/52] ovsdb-server: Forbid user-specified databases with reserved names.", "commit_ref": null, "pull_url": null, "state": "rfc", "archived": false, "hash": "515c7b7a7f09bb9977f5f7ccad4e9358c05279ef", "submitter": { "id": 67603, "url": "http://patchwork.ozlabs.org/api/people/67603/?format=api", "name": "Ben Pfaff", "email": "blp@ovn.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/openvswitch/patch/20170919220125.32535-27-blp@ovn.org/mbox/", "series": [ { "id": 3975, "url": "http://patchwork.ozlabs.org/api/series/3975/?format=api", "web_url": "http://patchwork.ozlabs.org/project/openvswitch/list/?series=3975", "date": "2017-09-19T22:00:34", "name": "clustering implementation", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/3975/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/815919/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/815919/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<ovs-dev-bounces@openvswitch.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "dev@openvswitch.org" ], "Delivered-To": [ "patchwork-incoming@bilbo.ozlabs.org", "ovs-dev@mail.linuxfoundation.org" ], "Authentication-Results": "ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=openvswitch.org\n\t(client-ip=140.211.169.12; helo=mail.linuxfoundation.org;\n\tenvelope-from=ovs-dev-bounces@openvswitch.org;\n\treceiver=<UNKNOWN>)", "Received": [ "from mail.linuxfoundation.org (mail.linuxfoundation.org\n\t[140.211.169.12])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256\n\tbits)) (No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xxd780CM7z9sNV\n\tfor <incoming@patchwork.ozlabs.org>;\n\tWed, 20 Sep 2017 08:37:56 +1000 (AEST)", "from mail.linux-foundation.org (localhost [127.0.0.1])\n\tby mail.linuxfoundation.org (Postfix) with ESMTP id 538CCDF8;\n\tTue, 19 Sep 2017 22:26:23 +0000 (UTC)", "from smtp1.linuxfoundation.org (smtp1.linux-foundation.org\n\t[172.17.192.35])\n\tby mail.linuxfoundation.org (Postfix) with ESMTPS id C6D27B63\n\tfor <dev@openvswitch.org>; Tue, 19 Sep 2017 22:26:21 +0000 (UTC)", "from slow1-d.mail.gandi.net (slow1-d.mail.gandi.net\n\t[217.70.178.86])\n\tby smtp1.linuxfoundation.org (Postfix) with ESMTP id E1CF846A\n\tfor <dev@openvswitch.org>; Tue, 19 Sep 2017 22:26:20 +0000 (UTC)", "from relay4-d.mail.gandi.net (relay4-d.mail.gandi.net\n\t[217.70.183.196])\n\tby slow1-d.mail.gandi.net (Postfix) with ESMTP id 3164B534EBA\n\tfor <dev@openvswitch.org>; Wed, 20 Sep 2017 00:02:14 +0200 (CEST)", "from sigabrt.benpfaff.org (unknown [208.91.2.3])\n\t(Authenticated sender: blp@ovn.org)\n\tby relay4-d.mail.gandi.net (Postfix) with ESMTPSA id 8C8FC1720A3;\n\tWed, 20 Sep 2017 00:02:12 +0200 (CEST)" ], "X-Greylist": "from auto-whitelisted by SQLgrey-1.7.6", "X-Originating-IP": "208.91.2.3", "From": "Ben Pfaff <blp@ovn.org>", "To": "dev@openvswitch.org", "Date": "Tue, 19 Sep 2017 15:00:59 -0700", "Message-Id": "<20170919220125.32535-27-blp@ovn.org>", "X-Mailer": "git-send-email 2.10.2", "In-Reply-To": "<20170919220125.32535-1-blp@ovn.org>", "References": "<20170919220125.32535-1-blp@ovn.org>", "X-Spam-Status": "No, score=-0.7 required=5.0 tests=RCVD_IN_DNSWL_LOW\n\tautolearn=disabled version=3.3.1", "X-Spam-Checker-Version": "SpamAssassin 3.3.1 (2010-03-16) on\n\tsmtp1.linux-foundation.org", "Cc": "Ben Pfaff <blp@ovn.org>", "Subject": "[ovs-dev] [PATCH RFC 26/52] ovsdb-server: Forbid user-specified\n\tdatabases with reserved names.", "X-BeenThere": "ovs-dev@openvswitch.org", "X-Mailman-Version": "2.1.12", "Precedence": "list", "List-Id": "<ovs-dev.openvswitch.org>", "List-Unsubscribe": "<https://mail.openvswitch.org/mailman/options/ovs-dev>,\n\t<mailto:ovs-dev-request@openvswitch.org?subject=unsubscribe>", "List-Archive": "<http://mail.openvswitch.org/pipermail/ovs-dev/>", "List-Post": "<mailto:ovs-dev@openvswitch.org>", "List-Help": "<mailto:ovs-dev-request@openvswitch.org?subject=help>", "List-Subscribe": "<https://mail.openvswitch.org/mailman/listinfo/ovs-dev>,\n\t<mailto:ovs-dev-request@openvswitch.org?subject=subscribe>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Sender": "ovs-dev-bounces@openvswitch.org", "Errors-To": "ovs-dev-bounces@openvswitch.org" }, "content": "Names that begin with \"_\" are reserved, but ovsdb-server didn't previously\nenforce this.\n\nSigned-off-by: Ben Pfaff <blp@ovn.org>\n---\n ovsdb/execution.c | 17 ++++++++++++-----\n ovsdb/ovsdb-client.c | 19 ++++++++++++++-----\n ovsdb/ovsdb-server.c | 51 ++++++++++++++++++++++++++++++++++++++-------------\n 3 files changed, 64 insertions(+), 23 deletions(-)", "diff": "diff --git a/ovsdb/execution.c b/ovsdb/execution.c\nindex c6feafd7d552..806d65690fc3 100644\n--- a/ovsdb/execution.c\n+++ b/ovsdb/execution.c\n@@ -173,11 +173,18 @@ ovsdb_execute(struct ovsdb *db, const struct ovsdb_session *session,\n error = parse_error;\n }\n /* Create read-only violation error if there is one. */\n- if (!error && read_only && !ro) {\n- error = ovsdb_error(\"not allowed\",\n- \"%s operation not allowed when \"\n- \"database server is in read only mode\",\n- op_name);\n+ if (!ro && !error) {\n+ if (read_only) {\n+ error = ovsdb_error(\"not allowed\",\n+ \"%s operation not allowed when \"\n+ \"database server is in read only mode\",\n+ op_name);\n+ } else if (db->schema->name[0] == '_') {\n+ error = ovsdb_error(\"not allowed\",\n+ \"%s operation not allowed on \"\n+ \"table in reserved database %s\",\n+ op_name, db->schema->name);\n+ }\n }\n if (error) {\n json_destroy(result);\ndiff --git a/ovsdb/ovsdb-client.c b/ovsdb/ovsdb-client.c\nindex 41b9727b12b9..194ff47593f3 100644\n--- a/ovsdb/ovsdb-client.c\n+++ b/ovsdb/ovsdb-client.c\n@@ -131,14 +131,23 @@ main(int argc, char *argv[])\n if (argc - optind > command->min_args\n && svec_contains(&dbs, argv[optind])) {\n database = xstrdup(argv[optind++]);\n- } else if (dbs.n == 1) {\n- database = xstrdup(dbs.names[0]);\n } else if (svec_contains(&dbs, \"Open_vSwitch\")) {\n database = xstrdup(\"Open_vSwitch\");\n } else {\n- jsonrpc_close(rpc);\n- ovs_fatal(0, \"no default database for `%s' command, please \"\n- \"specify a database name\", command->name);\n+ size_t n = 0;\n+ const char *best = NULL;\n+ for (size_t i = 0; i < dbs.n; i++) {\n+ if (dbs.names[i][0] != '_') {\n+ best = dbs.names[i];\n+ n++;\n+ }\n+ }\n+ if (n != 1) {\n+ jsonrpc_close(rpc);\n+ ovs_fatal(0, \"no default database for `%s' command, please \"\n+ \"specify a database name\", command->name);\n+ }\n+ database = xstrdup(best);\n }\n svec_destroy(&dbs);\n } else {\ndiff --git a/ovsdb/ovsdb-server.c b/ovsdb/ovsdb-server.c\nindex eecd84607408..8254fbb8733d 100644\n--- a/ovsdb/ovsdb-server.c\n+++ b/ovsdb/ovsdb-server.c\n@@ -142,7 +142,9 @@ ovsdb_replication_init(const char *sync_from, const char *exclude,\n struct shash_node *node;\n SHASH_FOR_EACH (node, all_dbs) {\n struct db *db = node->data;\n- replication_add_local_db(node->name, db->db);\n+ if (node->name[0] != '_' && db->db) {\n+ replication_add_local_db(node->name, db->db);\n+ }\n }\n }\n \n@@ -514,6 +516,9 @@ open_db(struct server_config *config, const char *filename)\n db_error = ovsdb_file_open(db->filename, false, &db->db, &db->file);\n if (db_error) {\n error = ovsdb_error_to_string(db_error);\n+ } else if (db->db->schema->name[0] == '_') {\n+ error = xasprintf(\"%s: names beginning with \\\"_\\\" are reserved\",\n+ db->db->schema->name);\n } else if (!ovsdb_jsonrpc_server_add_db(config->jsonrpc, db->db)) {\n error = xasprintf(\"%s: duplicate database name\", db->db->schema->name);\n } else {\n@@ -1124,10 +1129,17 @@ ovsdb_server_compact(struct unixctl_conn *conn, int argc,\n struct shash_node *node;\n int n = 0;\n \n+ if (argc > 2 && argv[1][0] == '_') {\n+ unixctl_command_reply_error(conn, \"cannot compact built-in databases\");\n+ return;\n+ }\n+\n ds_init(&reply);\n SHASH_FOR_EACH(node, all_dbs) {\n db = node->data;\n- if (argc < 2 || !strcmp(argv[1], node->name)) {\n+ if (argc < 2\n+ ? node->name[0] != '_'\n+ : !strcmp(argv[1], node->name)) {\n struct ovsdb_error *error;\n \n VLOG_INFO(\"compacting %s database by user request\", node->name);\n@@ -1262,21 +1274,12 @@ ovsdb_server_add_database(struct unixctl_conn *conn, int argc OVS_UNUSED,\n }\n \n static void\n-ovsdb_server_remove_database(struct unixctl_conn *conn, int argc OVS_UNUSED,\n- const char *argv[], void *config_)\n+remove_db(struct server_config *config, struct shash_node *node)\n {\n- struct server_config *config = config_;\n- struct shash_node *node;\n struct db *db;\n bool ok;\n \n- node = shash_find(config->all_dbs, argv[1]);\n- if (!node) {\n- unixctl_command_reply_error(conn, \"Failed to find the database.\");\n- return;\n- }\n db = node->data;\n-\n ok = ovsdb_jsonrpc_server_remove_db(config->jsonrpc, db->db);\n ovs_assert(ok);\n \n@@ -1290,6 +1293,26 @@ ovsdb_server_remove_database(struct unixctl_conn *conn, int argc OVS_UNUSED,\n ovsdb_replication_init(*config->sync_from, *config->sync_exclude,\n config->all_dbs, server_uuid);\n }\n+}\n+\n+static void\n+ovsdb_server_remove_database(struct unixctl_conn *conn, int argc OVS_UNUSED,\n+ const char *argv[], void *config_)\n+{\n+ struct server_config *config = config_;\n+ struct shash_node *node;\n+\n+ node = shash_find(config->all_dbs, argv[1]);\n+ if (!node) {\n+ unixctl_command_reply_error(conn, \"Failed to find the database.\");\n+ return;\n+ }\n+ if (node->name[0] == '_') {\n+ unixctl_command_reply_error(conn, \"Cannot remove reserved database.\");\n+ return;\n+ }\n+\n+ remove_db(config, node);\n unixctl_command_reply(conn, NULL);\n }\n \n@@ -1549,7 +1572,9 @@ save_config(struct server_config *config)\n sset_init(&db_filenames);\n SHASH_FOR_EACH (node, config->all_dbs) {\n struct db *db = node->data;\n- sset_add(&db_filenames, db->filename);\n+ if (node->name[0] != '_') {\n+ sset_add(&db_filenames, db->filename);\n+ }\n }\n \n save_config__(config->config_tmpfile, config->remotes, &db_filenames,\n", "prefixes": [ "ovs-dev", "RFC", "26/52" ] }