From patchwork Tue Sep 20 15:35:12 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Thomas Huth X-Patchwork-Id: 1680215 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=fMmEKXCS; dkim-atps=neutral Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4MXCcP2338z1ypH for ; Wed, 21 Sep 2022 06:21:23 +1000 (AEST) Received: from localhost ([::1]:50632 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oajk8-0004SN-Dm for incoming@patchwork.ozlabs.org; Tue, 20 Sep 2022 16:21:20 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:37216) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oafHt-0007lW-Ac for qemu-devel@nongnu.org; Tue, 20 Sep 2022 11:35:53 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]:29811) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oafHl-0001Py-QJ for qemu-devel@nongnu.org; Tue, 20 Sep 2022 11:35:50 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1663688144; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=ucLX0tzCCgBZJNSN9l5Hb57lI8bh6EGj4FanupGBMAc=; b=fMmEKXCSITQDs0WH7RoU+sPtsWzuzyFr8wqnkoLRarvqK+lqEqIAQLc7vOpp6GA15AAyM1 I5VuHu8IzLWlVZf8p91Z2VcNqbb74XJ8PZcN/tYHbjIJi+ifFOeAbIhEa0jx6mMKZ1OFEf fxPYvCksuei4yx+gddHhQeK4cKusogo= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-675-M3Qk_iXXOpCRzRDzbgdPUw-1; Tue, 20 Sep 2022 11:35:40 -0400 X-MC-Unique: M3Qk_iXXOpCRzRDzbgdPUw-1 Received: from smtp.corp.redhat.com (int-mx10.intmail.prod.int.rdu2.redhat.com [10.11.54.10]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 452AC1C07541 for ; Tue, 20 Sep 2022 15:35:40 +0000 (UTC) Received: from thuth.com (unknown [10.39.193.218]) by smtp.corp.redhat.com (Postfix) with ESMTP id 13360492B05; Tue, 20 Sep 2022 15:35:38 +0000 (UTC) From: Thomas Huth To: qemu-devel@nongnu.org Cc: Stefan Hajnoczi , =?utf-8?q?Daniel_P_=2E_Berrang?= =?utf-8?q?=C3=A9?= , Konstantin Kostiuk Subject: [PULL 15/15] qga: Replace 'blacklist' and 'whitelist' in the guest agent sources Date: Tue, 20 Sep 2022 17:35:12 +0200 Message-Id: <20220920153512.187283-16-thuth@redhat.com> In-Reply-To: <20220920153512.187283-1-thuth@redhat.com> References: <20220920153512.187283-1-thuth@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.10 Received-SPF: pass client-ip=170.10.129.124; envelope-from=thuth@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Let's use better, more inclusive wording here. Message-Id: <20220727092135.302915-3-thuth@redhat.com> Reviewed-by: Daniel P. Berrangé Reviewed-by: Konstantin Kostiuk Signed-off-by: Thomas Huth --- qga/qapi-schema.json | 4 +-- qga/guest-agent-core.h | 2 +- qga/commands-posix.c | 16 ++++++------ qga/commands-win32.c | 10 +++---- qga/main.c | 59 +++++++++++++++++++++--------------------- 5 files changed, 46 insertions(+), 45 deletions(-) diff --git a/qga/qapi-schema.json b/qga/qapi-schema.json index 869399ea1a..026a56f76c 100644 --- a/qga/qapi-schema.json +++ b/qga/qapi-schema.json @@ -16,8 +16,8 @@ { 'pragma': { 'doc-required': true } } -# Whitelists to permit QAPI rule violations; think twice before you -# add to them! +# Lists with items allowed to permit QAPI rule violations; think twice +# before you add to them! { 'pragma': { # Types whose member names may use '_' 'member-name-exceptions': [ diff --git a/qga/guest-agent-core.h b/qga/guest-agent-core.h index 29cd50402f..b4e7c52c61 100644 --- a/qga/guest-agent-core.h +++ b/qga/guest-agent-core.h @@ -24,7 +24,7 @@ typedef struct GACommandState GACommandState; extern GAState *ga_state; extern QmpCommandList ga_commands; -GList *ga_command_blacklist_init(GList *blacklist); +GList *ga_command_init_blockedrpcs(GList *blockedrpcs); void ga_command_state_init(GAState *s, GACommandState *cs); void ga_command_state_add(GACommandState *cs, void (*init)(void), diff --git a/qga/commands-posix.c b/qga/commands-posix.c index 954efed01b..eea819cff0 100644 --- a/qga/commands-posix.c +++ b/qga/commands-posix.c @@ -3356,8 +3356,8 @@ qmp_guest_fstrim(bool has_minimum, int64_t minimum, Error **errp) } #endif -/* add unsupported commands to the blacklist */ -GList *ga_command_blacklist_init(GList *blacklist) +/* add unsupported commands to the list of blocked RPCs */ +GList *ga_command_init_blockedrpcs(GList *blockedrpcs) { #if !defined(__linux__) { @@ -3370,13 +3370,13 @@ GList *ga_command_blacklist_init(GList *blacklist) char **p = (char **)list; while (*p) { - blacklist = g_list_append(blacklist, g_strdup(*p++)); + blockedrpcs = g_list_append(blockedrpcs, g_strdup(*p++)); } } #endif #if !defined(HAVE_GETIFADDRS) - blacklist = g_list_append(blacklist, + blockedrpcs = g_list_append(blockedrpcs, g_strdup("guest-network-get-interfaces")); #endif @@ -3390,18 +3390,18 @@ GList *ga_command_blacklist_init(GList *blacklist) char **p = (char **)list; while (*p) { - blacklist = g_list_append(blacklist, g_strdup(*p++)); + blockedrpcs = g_list_append(blockedrpcs, g_strdup(*p++)); } } #endif #if !defined(CONFIG_FSTRIM) - blacklist = g_list_append(blacklist, g_strdup("guest-fstrim")); + blockedrpcs = g_list_append(blockedrpcs, g_strdup("guest-fstrim")); #endif - blacklist = g_list_append(blacklist, g_strdup("guest-get-devices")); + blockedrpcs = g_list_append(blockedrpcs, g_strdup("guest-get-devices")); - return blacklist; + return blockedrpcs; } /* register init/cleanup routines for stateful command groups */ diff --git a/qga/commands-win32.c b/qga/commands-win32.c index 7ed7664715..ec9f55b453 100644 --- a/qga/commands-win32.c +++ b/qga/commands-win32.c @@ -2005,8 +2005,8 @@ GuestMemoryBlockInfo *qmp_guest_get_memory_block_info(Error **errp) return NULL; } -/* add unsupported commands to the blacklist */ -GList *ga_command_blacklist_init(GList *blacklist) +/* add unsupported commands to the list of blocked RPCs */ +GList *ga_command_init_blockedrpcs(GList *blockedrpcs) { const char *list_unsupported[] = { "guest-suspend-hybrid", @@ -2017,7 +2017,7 @@ GList *ga_command_blacklist_init(GList *blacklist) char **p = (char **)list_unsupported; while (*p) { - blacklist = g_list_append(blacklist, g_strdup(*p++)); + blockedrpcs = g_list_append(blockedrpcs, g_strdup(*p++)); } if (!vss_init(true)) { @@ -2028,11 +2028,11 @@ GList *ga_command_blacklist_init(GList *blacklist) p = (char **)list; while (*p) { - blacklist = g_list_append(blacklist, g_strdup(*p++)); + blockedrpcs = g_list_append(blockedrpcs, g_strdup(*p++)); } } - return blacklist; + return blockedrpcs; } /* register init/cleanup routines for stateful command groups */ diff --git a/qga/main.c b/qga/main.c index 74e5c9b10c..5a9d8252e0 100644 --- a/qga/main.c +++ b/qga/main.c @@ -87,7 +87,7 @@ struct GAState { #endif bool delimit_response; bool frozen; - GList *blacklist; + GList *blockedrpcs; char *state_filepath_isfrozen; struct { const char *log_filepath; @@ -107,7 +107,7 @@ struct GAState *ga_state; QmpCommandList ga_commands; /* commands that are safe to issue while filesystems are frozen */ -static const char *ga_freeze_whitelist[] = { +static const char *ga_freeze_allowlist[] = { "guest-ping", "guest-info", "guest-sync", @@ -363,31 +363,31 @@ static gint ga_strcmp(gconstpointer str1, gconstpointer str2) } /* disable commands that aren't safe for fsfreeze */ -static void ga_disable_non_whitelisted(const QmpCommand *cmd, void *opaque) +static void ga_disable_not_allowed(const QmpCommand *cmd, void *opaque) { - bool whitelisted = false; + bool allowed = false; int i = 0; const char *name = qmp_command_name(cmd); - while (ga_freeze_whitelist[i] != NULL) { - if (strcmp(name, ga_freeze_whitelist[i]) == 0) { - whitelisted = true; + while (ga_freeze_allowlist[i] != NULL) { + if (strcmp(name, ga_freeze_allowlist[i]) == 0) { + allowed = true; } i++; } - if (!whitelisted) { + if (!allowed) { g_debug("disabling command: %s", name); qmp_disable_command(&ga_commands, name, "the agent is in frozen state"); } } -/* [re-]enable all commands, except those explicitly blacklisted by user */ -static void ga_enable_non_blacklisted(const QmpCommand *cmd, void *opaque) +/* [re-]enable all commands, except those explicitly blocked by user */ +static void ga_enable_non_blocked(const QmpCommand *cmd, void *opaque) { - GList *blacklist = opaque; + GList *blockedrpcs = opaque; const char *name = qmp_command_name(cmd); - if (g_list_find_custom(blacklist, name, ga_strcmp) == NULL && + if (g_list_find_custom(blockedrpcs, name, ga_strcmp) == NULL && !qmp_command_is_enabled(cmd)) { g_debug("enabling command: %s", name); qmp_enable_command(&ga_commands, name); @@ -426,8 +426,8 @@ void ga_set_frozen(GAState *s) if (ga_is_frozen(s)) { return; } - /* disable all non-whitelisted (for frozen state) commands */ - qmp_for_each_command(&ga_commands, ga_disable_non_whitelisted, NULL); + /* disable all forbidden (for frozen state) commands */ + qmp_for_each_command(&ga_commands, ga_disable_not_allowed, NULL); g_warning("disabling logging due to filesystem freeze"); ga_disable_logging(s); s->frozen = true; @@ -465,8 +465,8 @@ void ga_unset_frozen(GAState *s) s->deferred_options.pid_filepath = NULL; } - /* enable all disabled, non-blacklisted commands */ - qmp_for_each_command(&ga_commands, ga_enable_non_blacklisted, s->blacklist); + /* enable all disabled, non-blocked commands */ + qmp_for_each_command(&ga_commands, ga_enable_non_blocked, s->blockedrpcs); s->frozen = false; if (!ga_delete_file(s->state_filepath_isfrozen)) { g_warning("unable to delete %s, fsfreeze may not function properly", @@ -896,7 +896,8 @@ int64_t ga_get_fd_handle(GAState *s, Error **errp) int64_t handle; g_assert(s->pstate_filepath); - /* we blacklist commands and avoid operations that potentially require + /* + * We block commands and avoid operations that potentially require * writing to disk when we're in a frozen state. this includes opening * new files, so we should never get here in that situation */ @@ -950,8 +951,8 @@ struct GAConfig { #ifdef _WIN32 const char *service; #endif - gchar *bliststr; /* blacklist may point to this string */ - GList *blacklist; + gchar *bliststr; /* blockedrpcs may point to this string */ + GList *blockedrpcs; int daemonize; GLogLevelFlags log_level; int dumpconf; @@ -1019,7 +1020,7 @@ static void config_load(GAConfig *config) if (g_key_file_has_key(keyfile, "general", blockrpcs_key, NULL)) { config->bliststr = g_key_file_get_string(keyfile, "general", blockrpcs_key, &gerr); - config->blacklist = g_list_concat(config->blacklist, + config->blockedrpcs = g_list_concat(config->blockedrpcs, split_list(config->bliststr, ",")); } @@ -1079,7 +1080,7 @@ static void config_dump(GAConfig *config) config->log_level == G_LOG_LEVEL_MASK); g_key_file_set_boolean(keyfile, "general", "retry-path", config->retry_path); - tmp = list_join(config->blacklist, ','); + tmp = list_join(config->blockedrpcs, ','); g_key_file_set_string(keyfile, "general", "block-rpcs", tmp); g_free(tmp); @@ -1171,8 +1172,8 @@ static void config_parse(GAConfig *config, int argc, char **argv) qmp_for_each_command(&ga_commands, ga_print_cmd, NULL); exit(EXIT_SUCCESS); } - config->blacklist = g_list_concat(config->blacklist, - split_list(optarg, ",")); + config->blockedrpcs = g_list_concat(config->blockedrpcs, + split_list(optarg, ",")); break; } #ifdef _WIN32 @@ -1226,7 +1227,7 @@ static void config_free(GAConfig *config) #ifdef CONFIG_FSFREEZE g_free(config->fsfreeze_hook); #endif - g_list_free_full(config->blacklist, g_free); + g_list_free_full(config->blockedrpcs, g_free); g_free(config); } @@ -1310,7 +1311,7 @@ static GAState *initialize_agent(GAConfig *config, int socket_activation) s->deferred_options.log_filepath = config->log_filepath; } ga_disable_logging(s); - qmp_for_each_command(&ga_commands, ga_disable_non_whitelisted, NULL); + qmp_for_each_command(&ga_commands, ga_disable_not_allowed, NULL); } else { if (config->daemonize) { become_daemon(config->pid_filepath); @@ -1334,10 +1335,10 @@ static GAState *initialize_agent(GAConfig *config, int socket_activation) return NULL; } - config->blacklist = ga_command_blacklist_init(config->blacklist); - if (config->blacklist) { - GList *l = config->blacklist; - s->blacklist = config->blacklist; + config->blockedrpcs = ga_command_init_blockedrpcs(config->blockedrpcs); + if (config->blockedrpcs) { + GList *l = config->blockedrpcs; + s->blockedrpcs = config->blockedrpcs; do { g_debug("disabling command: %s", (char *)l->data); qmp_disable_command(&ga_commands, l->data, NULL);