Merge tag 'qga-pull-2024-07-23' of https://github.com/kostyanf14/qemu into staging

qga-pull-2024-07-23

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# Primary key fingerprint: C2C2 C109 EA43 C63C 1423  EB84 EF5D 5E81 61BA 84E7

* tag 'qga-pull-2024-07-23' of https://github.com/kostyanf14/qemu: (25 commits)
  qga/linux: Add new api 'guest-network-get-route'
  guest-agent: document allow-rpcs in config file section
  qga/commands-posix: Make ga_wait_child() return boolean
  qga: centralize logic for disabling/enabling commands
  qga: allow configuration file path via the cli
  qga: remove pointless 'blockrpcs_key' variable
  qga: move declare of QGAConfig struct to top of file
  qga: don't disable fsfreeze commands if vss_init fails
  qga: conditionalize schema for commands not supported on other UNIX
  qga: conditionalize schema for commands requiring utmpx
  qga: conditionalize schema for commands requiring libudev
  qga: conditionalize schema for commands requiring fstrim
  qga: conditionalize schema for commands requiring fsfreeze
  qga: conditionalize schema for commands only supported on Windows
  qga: conditionalize schema for commands requiring linux/win32
  qga: conditionalize schema for commands requiring getifaddrs
  qga: conditionalize schema for commands unsupported on non-Linux POSIX
  qga: conditionalize schema for commands unsupported on Windows
  qga: move CONFIG_FSFREEZE/TRIM to be meson defined options
  qga: move linux memory block command impls to commands-linux.c
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

docs/interop/qemu-ga.rst

@@ -28,11 +28,30 @@ configuration options on the command line. For the same key, the last
 option wins, but the lists accumulate (see below for configuration
 file format).
 
+If an allowed RPCs list is defined in the configuration, then all
+RPCs will be blocked by default, except for the allowed list.
+
+If a blocked RPCs list is defined in the configuration, then all
+RPCs will be allowed by default, except for the blocked list.
+
+If both allowed and blocked RPCs lists are defined in the configuration,
+then all RPCs will be blocked by default, then the allowed list will
+be applied, followed by the blocked list.
+
+While filesystems are frozen, all except for a designated safe set
+of RPCs will blocked, regardless of what the general configuration
+declares.
+
 Options
 -------
 
 .. program:: qemu-ga
 
+.. option:: -c, --config=PATH
+
+  Configuration file path (the default is |CONFDIR|\ ``/qemu-ga.conf``,
+  unless overriden by the QGA_CONF environment variable)
+
 .. option:: -m, --method=METHOD
 
   Transport method: one of ``unix-listen``, ``virtio-serial``, or
@@ -131,6 +150,7 @@ fsfreeze-hook  string
 statedir       string
 verbose        boolean
 block-rpcs     string list
+allow-rpcs     string list
 =============  ===========
 
 See also

meson.build

@@ -2187,6 +2187,19 @@ have_virtfs_proxy_helper = get_option('virtfs_proxy_helper') \
     .require(libcap_ng.found(), error_message: 'the virtfs proxy helper requires libcap-ng') \
     .allowed()
 
+qga_fsfreeze = false
+qga_fstrim = false
+if host_os == 'linux'
+    if cc.has_header_symbol('linux/fs.h', 'FIFREEZE')
+        qga_fsfreeze = true
+    endif
+    if cc.has_header_symbol('linux/fs.h', 'FITRIM')
+        qga_fstrim = true
+    endif
+elif host_os == 'freebsd' and cc.has_header_symbol('ufs/ffs/fs.h', 'UFSSUSPEND')
+    qga_fsfreeze = true
+endif
+
 if get_option('block_drv_ro_whitelist') == ''
   config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
 else
@@ -2263,6 +2276,7 @@ config_host_data.set('CONFIG_ATTR', libattr.found())
 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
 config_host_data.set('CONFIG_BSD', host_os in bsd_oses)
+config_host_data.set('CONFIG_FREEBSD', host_os == 'freebsd')
 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
 config_host_data.set('CONFIG_COCOA', cocoa.found())
 config_host_data.set('CONFIG_DARWIN', host_os == 'darwin')
@@ -2423,6 +2437,8 @@ config_host_data.set('CONFIG_DEBUG_TCG', get_option('debug_tcg'))
 config_host_data.set('CONFIG_DEBUG_REMAP', get_option('debug_remap'))
 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
 config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
+config_host_data.set('CONFIG_FSFREEZE', qga_fsfreeze)
+config_host_data.set('CONFIG_FSTRIM', qga_fstrim)
 
 # has_header
 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))

qga/commands-bsd.c

@@ -149,30 +149,6 @@ int qmp_guest_fsfreeze_do_thaw(Error **errp)
     }
     return ret;
 }
-
-GuestFilesystemInfoList *qmp_guest_get_fsinfo(Error **errp)
-{
-    error_setg(errp, QERR_UNSUPPORTED);
-    return NULL;
-}
-
-GuestDiskInfoList *qmp_guest_get_disks(Error **errp)
-{
-    error_setg(errp, QERR_UNSUPPORTED);
-    return NULL;
-}
-
-GuestDiskStatsInfoList *qmp_guest_get_diskstats(Error **errp)
-{
-    error_setg(errp, QERR_UNSUPPORTED);
-    return NULL;
-}
-
-GuestCpuStatsList *qmp_guest_get_cpustats(Error **errp)
-{
-    error_setg(errp, QERR_UNSUPPORTED);
-    return NULL;
-}
 #endif /* CONFIG_FSFREEZE */
 
 #ifdef HAVE_GETIFADDRS

qga/commands-common.h

@@ -15,19 +15,10 @@
 
 #if defined(__linux__)
 #include <linux/fs.h>
-#ifdef FIFREEZE
-#define CONFIG_FSFREEZE
-#endif
-#ifdef FITRIM
-#define CONFIG_FSTRIM
-#endif
 #endif /* __linux__ */
 
 #ifdef __FreeBSD__
 #include <ufs/ffs/fs.h>
-#ifdef UFSSUSPEND
-#define CONFIG_FSFREEZE
-#endif
 #endif /* __FreeBSD__ */
 
 #if defined(CONFIG_FSFREEZE) || defined(CONFIG_FSTRIM)

qga/commands-win32.c

@@ -1203,7 +1203,7 @@ GuestFilesystemInfoList *qmp_guest_get_fsinfo(Error **errp)
 GuestFsfreezeStatus qmp_guest_fsfreeze_status(Error **errp)
 {
     if (!vss_initialized()) {
-        error_setg(errp, QERR_UNSUPPORTED);
+        error_setg(errp, "fsfreeze not possible as VSS failed to initialize");
         return 0;
     }
 
@@ -1231,7 +1231,7 @@ int64_t qmp_guest_fsfreeze_freeze_list(bool has_mountpoints,
     Error *local_err = NULL;
 
     if (!vss_initialized()) {
-        error_setg(errp, QERR_UNSUPPORTED);
+        error_setg(errp, "fsfreeze not possible as VSS failed to initialize");
         return 0;
     }
 
@@ -1266,7 +1266,7 @@ int64_t qmp_guest_fsfreeze_thaw(Error **errp)
     int i;
 
     if (!vss_initialized()) {
-        error_setg(errp, QERR_UNSUPPORTED);
+        error_setg(errp, "fsfreeze not possible as VSS failed to initialize");
         return 0;
     }
 
@@ -1494,11 +1494,6 @@ out:
     }
 }
 
-void qmp_guest_suspend_hybrid(Error **errp)
-{
-    error_setg(errp, QERR_UNSUPPORTED);
-}
-
 static IP_ADAPTER_ADDRESSES *guest_get_adapters_addresses(Error **errp)
 {
     IP_ADAPTER_ADDRESSES *adptr_addrs = NULL;
@@ -1862,12 +1857,6 @@ GuestLogicalProcessorList *qmp_guest_get_vcpus(Error **errp)
     return NULL;
 }
 
-int64_t qmp_guest_set_vcpus(GuestLogicalProcessorList *vcpus, Error **errp)
-{
-    error_setg(errp, QERR_UNSUPPORTED);
-    return -1;
-}
-
 static gchar *
 get_net_error_message(gint error)
 {
@@ -1969,55 +1958,6 @@ done:
     g_free(rawpasswddata);
 }
 
-GuestMemoryBlockList *qmp_guest_get_memory_blocks(Error **errp)
-{
-    error_setg(errp, QERR_UNSUPPORTED);
-    return NULL;
-}
-
-GuestMemoryBlockResponseList *
-qmp_guest_set_memory_blocks(GuestMemoryBlockList *mem_blks, Error **errp)
-{
-    error_setg(errp, QERR_UNSUPPORTED);
-    return NULL;
-}
-
-GuestMemoryBlockInfo *qmp_guest_get_memory_block_info(Error **errp)
-{
-    error_setg(errp, QERR_UNSUPPORTED);
-    return NULL;
-}
-
-/* add unsupported commands to the list of blocked RPCs */
-GList *ga_command_init_blockedrpcs(GList *blockedrpcs)
-{
-    const char *list_unsupported[] = {
-        "guest-suspend-hybrid",
-        "guest-set-vcpus",
-        "guest-get-memory-blocks", "guest-set-memory-blocks",
-        "guest-get-memory-block-size", "guest-get-memory-block-info",
-        NULL};
-    char **p = (char **)list_unsupported;
-
-    while (*p) {
-        blockedrpcs = g_list_append(blockedrpcs, g_strdup(*p++));
-    }
-
-    if (!vss_init(true)) {
-        g_debug("vss_init failed, vss commands are going to be disabled");
-        const char *list[] = {
-            "guest-get-fsinfo", "guest-fsfreeze-status",
-            "guest-fsfreeze-freeze", "guest-fsfreeze-thaw", NULL};
-        p = (char **)list;
-
-        while (*p) {
-            blockedrpcs = g_list_append(blockedrpcs, g_strdup(*p++));
-        }
-    }
-
-    return blockedrpcs;
-}
-
 /* register init/cleanup routines for stateful command groups */
 void ga_command_state_init(GAState *s, GACommandState *cs)
 {
@@ -2505,15 +2445,3 @@ char *qga_get_host_name(Error **errp)
 
     return g_utf16_to_utf8(tmp, size, NULL, NULL, NULL);
 }
-
-GuestDiskStatsInfoList *qmp_guest_get_diskstats(Error **errp)
-{
-    error_setg(errp, QERR_UNSUPPORTED);
-    return NULL;
-}
-
-GuestCpuStatsList *qmp_guest_get_cpustats(Error **errp)
-{
-    error_setg(errp, QERR_UNSUPPORTED);
-    return NULL;
-}

qga/main.c

@@ -70,6 +70,28 @@ typedef struct GAPersistentState {
 
 typedef struct GAConfig GAConfig;
 
+struct GAConfig {
+    char *channel_path;
+    char *method;
+    char *log_filepath;
+    char *pid_filepath;
+#ifdef CONFIG_FSFREEZE
+    char *fsfreeze_hook;
+#endif
+    char *state_dir;
+#ifdef _WIN32
+    const char *service;
+#endif
+    gchar *bliststr; /* blockedrpcs may point to this string */
+    gchar *aliststr; /* allowedrpcs may point to this string */
+    GList *blockedrpcs;
+    GList *allowedrpcs;
+    int daemonize;
+    GLogLevelFlags log_level;
+    int dumpconf;
+    bool retry_path;
+};
+
 struct GAState {
     JSONMessageParser parser;
     GMainLoop *main_loop;
@@ -226,12 +248,16 @@ static void usage(const char *cmd)
 #ifdef CONFIG_FSFREEZE
     g_autofree char *fsfreeze_hook = get_relocated_path(QGA_FSFREEZE_HOOK_DEFAULT);
 #endif
+    g_autofree char *conf_path = get_relocated_path(QGA_CONF_DEFAULT);
 
     printf(
 "Usage: %s [-m <method> -p <path>] [<options>]\n"
 "QEMU Guest Agent " QEMU_FULL_VERSION "\n"
 QEMU_COPYRIGHT "\n"
 "\n"
+"  -c, --config=PATH configuration file path (default is\n"
+"                    %s/qemu-ga.conf\n"
+"                    unless overriden by the QGA_CONF environment variable)\n"
 "  -m, --method      transport method: one of unix-listen, virtio-serial,\n"
 "                    isa-serial, or vsock-listen (virtio-serial is the default)\n"
 "  -p, --path        device/socket path (the default for virtio-serial is:\n"
@@ -272,8 +298,8 @@ QEMU_COPYRIGHT "\n"
 "                    plug/unplug, etc.)\n"
 "  -h, --help        display this help and exit\n"
 "\n"
-QEMU_HELP_BOTTOM "\n"
+QEMU_HELP_BOTTOM "\n",
-    , cmd, QGA_VIRTIO_PATH_DEFAULT, QGA_SERIAL_PATH_DEFAULT,
+    cmd, conf_path, QGA_VIRTIO_PATH_DEFAULT, QGA_SERIAL_PATH_DEFAULT,
     dfl_pathnames.pidfile,
 #ifdef CONFIG_FSFREEZE
     fsfreeze_hook,
@@ -397,58 +423,77 @@ static gint ga_strcmp(gconstpointer str1, gconstpointer str2)
     return strcmp(str1, str2);
 }
 
-/* disable commands that aren't safe for fsfreeze */
+static bool ga_command_is_allowed(const QmpCommand *cmd, GAState *state)
-static void ga_disable_not_allowed_freeze(const QmpCommand *cmd, void *opaque)
 {
-    bool allowed = false;
     int i = 0;
+    GAConfig *config = state->config;
     const char *name = qmp_command_name(cmd);
+    /* Fallback policy is allow everything */
+    bool allowed = true;
 
-    while (ga_freeze_allowlist[i] != NULL) {
+    if (config->allowedrpcs) {
-        if (strcmp(name, ga_freeze_allowlist[i]) == 0) {
+        /*
+         * If an allow-list is given, this changes the fallback
+         * policy to deny everything
+         */
+        allowed = false;
+
+        if (g_list_find_custom(config->allowedrpcs, name, ga_strcmp) != NULL) {
             allowed = true;
         }
-        i++;
     }
-    if (!allowed) {
+
-        g_debug("disabling command: %s", name);
+    /*
-        qmp_disable_command(&ga_commands, name, "the agent is in frozen state");
+     * If both allowedrpcs and blockedrpcs are set, the blocked
+     * list will take priority
+     */
+    if (config->blockedrpcs) {
+        if (g_list_find_custom(config->blockedrpcs, name, ga_strcmp) != NULL) {
+            allowed = false;
+        }
     }
+
+    /*
+     * If frozen, this filtering must take priority over
+     * absolutely everything
+     */
+    if (state->frozen) {
+        allowed = false;
+
+        while (ga_freeze_allowlist[i] != NULL) {
+            if (strcmp(name, ga_freeze_allowlist[i]) == 0) {
+                allowed = true;
+            }
+            i++;
+        }
+    }
+
+    return allowed;
 }
 
-/* [re-]enable all commands, except those explicitly blocked by user */
+static void ga_apply_command_filters_iter(const QmpCommand *cmd, void *opaque)
-static void ga_enable_non_blocked(const QmpCommand *cmd, void *opaque)
 {
-    GAState *s = opaque;
+    GAState *state = opaque;
-    GList *blockedrpcs = s->blockedrpcs;
+    bool want = ga_command_is_allowed(cmd, state);
-    GList *allowedrpcs = s->allowedrpcs;
+    bool have = qmp_command_is_enabled(cmd);
     const char *name = qmp_command_name(cmd);
 
-    if (g_list_find_custom(blockedrpcs, name, ga_strcmp) == NULL) {
+    if (want == have) {
-        if (qmp_command_is_enabled(cmd)) {
+        return;
-            return;
+    }
-        }
-
-        if (allowedrpcs &&
-            g_list_find_custom(allowedrpcs, name, ga_strcmp) == NULL) {
-            return;
-        }
 
+    if (have) {
+        g_debug("disabling command: %s", name);
+        qmp_disable_command(&ga_commands, name, "the command is not allowed");
+    } else {
         g_debug("enabling command: %s", name);
         qmp_enable_command(&ga_commands, name);
     }
 }
 
-/* disable commands that aren't allowed */
+static void ga_apply_command_filters(GAState *state)
-static void ga_disable_not_allowed(const QmpCommand *cmd, void *opaque)
 {
-    GList *allowedrpcs = opaque;
+    qmp_for_each_command(&ga_commands, ga_apply_command_filters_iter, state);
-    const char *name = qmp_command_name(cmd);
-
-    if (g_list_find_custom(allowedrpcs, name, ga_strcmp) == NULL) {
-        g_debug("disabling command: %s", name);
-        qmp_disable_command(&ga_commands, name, "the command is not allowed");
-    }
 }
 
 static bool ga_create_file(const char *path)
@@ -483,15 +528,14 @@ void ga_set_frozen(GAState *s)
     if (ga_is_frozen(s)) {
         return;
     }
-    /* disable all forbidden (for frozen state) commands */
-    qmp_for_each_command(&ga_commands, ga_disable_not_allowed_freeze, NULL);
     g_warning("disabling logging due to filesystem freeze");
-    ga_disable_logging(s);
     s->frozen = true;
     if (!ga_create_file(s->state_filepath_isfrozen)) {
         g_warning("unable to create %s, fsfreeze may not function properly",
                   s->state_filepath_isfrozen);
     }
+    ga_apply_command_filters(s);
+    ga_disable_logging(s);
 }
 
 void ga_unset_frozen(GAState *s)
@@ -523,12 +567,12 @@ void ga_unset_frozen(GAState *s)
     }
 
     /* enable all disabled, non-blocked and allowed commands */
-    qmp_for_each_command(&ga_commands, ga_enable_non_blocked, s);
     s->frozen = false;
     if (!ga_delete_file(s->state_filepath_isfrozen)) {
         g_warning("unable to delete %s, fsfreeze may not function properly",
                   s->state_filepath_isfrozen);
     }
+    ga_apply_command_filters(s);
 }
 
 #ifdef CONFIG_FSFREEZE
@@ -996,38 +1040,14 @@ static GList *split_list(const gchar *str, const gchar *delim)
     return list;
 }
 
-struct GAConfig {
+static void config_load(GAConfig *config, const char *confpath, bool required)
-    char *channel_path;
-    char *method;
-    char *log_filepath;
-    char *pid_filepath;
-#ifdef CONFIG_FSFREEZE
-    char *fsfreeze_hook;
-#endif
-    char *state_dir;
-#ifdef _WIN32
-    const char *service;
-#endif
-    gchar *bliststr; /* blockedrpcs may point to this string */
-    gchar *aliststr; /* allowedrpcs may point to this string */
-    GList *blockedrpcs;
-    GList *allowedrpcs;
-    int daemonize;
-    GLogLevelFlags log_level;
-    int dumpconf;
-    bool retry_path;
-};
-
-static void config_load(GAConfig *config)
 {
     GError *gerr = NULL;
     GKeyFile *keyfile;
-    g_autofree char *conf = g_strdup(g_getenv("QGA_CONF")) ?: get_relocated_path(QGA_CONF_DEFAULT);
-    const gchar *blockrpcs_key = "block-rpcs";
 
     /* read system config */
     keyfile = g_key_file_new();
-    if (!g_key_file_load_from_file(keyfile, conf, 0, &gerr)) {
+    if (!g_key_file_load_from_file(keyfile, confpath, 0, &gerr)) {
         goto end;
     }
     if (g_key_file_has_key(keyfile, "general", "daemon", NULL)) {
@@ -1071,9 +1091,9 @@ static void config_load(GAConfig *config)
             g_key_file_get_boolean(keyfile, "general", "retry-path", &gerr);
     }
 
-    if (g_key_file_has_key(keyfile, "general", blockrpcs_key, NULL)) {
+    if (g_key_file_has_key(keyfile, "general", "block-rpcs", NULL)) {
         config->bliststr =
-            g_key_file_get_string(keyfile, "general", blockrpcs_key, &gerr);
+            g_key_file_get_string(keyfile, "general", "block-rpcs", &gerr);
         config->blockedrpcs = g_list_concat(config->blockedrpcs,
                                           split_list(config->bliststr, ","));
     }
@@ -1084,19 +1104,12 @@ static void config_load(GAConfig *config)
                                           split_list(config->aliststr, ","));
     }
 
-    if (g_key_file_has_key(keyfile, "general", blockrpcs_key, NULL) &&
-        g_key_file_has_key(keyfile, "general", "allow-rpcs", NULL)) {
-        g_critical("wrong config, using 'block-rpcs' and 'allow-rpcs' keys at"
-                   " the same time is not allowed");
-        exit(EXIT_FAILURE);
-    }
-
 end:
     g_key_file_free(keyfile);
-    if (gerr &&
+    if (gerr && (required ||
-        !(gerr->domain == G_FILE_ERROR && gerr->code == G_FILE_ERROR_NOENT)) {
+                 !(gerr->domain == G_FILE_ERROR && gerr->code == G_FILE_ERROR_NOENT))) {
         g_critical("error loading configuration from path: %s, %s",
-                   conf, gerr->message);
+                   confpath, gerr->message);
         exit(EXIT_FAILURE);
     }
     g_clear_error(&gerr);
@@ -1168,12 +1181,12 @@ static void config_dump(GAConfig *config)
 
 static void config_parse(GAConfig *config, int argc, char **argv)
 {
-    const char *sopt = "hVvdm:p:l:f:F::b:a:s:t:Dr";
+    const char *sopt = "hVvdc:m:p:l:f:F::b:a:s:t:Dr";
     int opt_ind = 0, ch;
-    bool block_rpcs = false, allow_rpcs = false;
     const struct option lopt[] = {
         { "help", 0, NULL, 'h' },
         { "version", 0, NULL, 'V' },
+        { "config", 1, NULL, 'c' },
         { "dump-conf", 0, NULL, 'D' },
         { "logfile", 1, NULL, 'l' },
         { "pidfile", 1, NULL, 'f' },
@@ -1193,6 +1206,26 @@ static void config_parse(GAConfig *config, int argc, char **argv)
         { "retry-path", 0, NULL, 'r' },
         { NULL, 0, NULL, 0 }
     };
+    g_autofree char *confpath = g_strdup(g_getenv("QGA_CONF")) ?:
+        get_relocated_path(QGA_CONF_DEFAULT);
+    bool confrequired = false;
+
+    while ((ch = getopt_long(argc, argv, sopt, lopt, NULL)) != -1) {
+        switch (ch) {
+        case 'c':
+            g_free(confpath);
+            confpath = g_strdup(optarg);
+            confrequired = true;
+            break;
+        default:
+            break;
+        }
+    }
+
+    config_load(config, confpath, confrequired);
+
+    /* Reset for second pass */
+    optind = 1;
 
     while ((ch = getopt_long(argc, argv, sopt, lopt, &opt_ind)) != -1) {
         switch (ch) {
@@ -1245,7 +1278,6 @@ static void config_parse(GAConfig *config, int argc, char **argv)
             }
             config->blockedrpcs = g_list_concat(config->blockedrpcs,
                                                 split_list(optarg, ","));
-            block_rpcs = true;
             break;
         }
         case 'a': {
@@ -1255,7 +1287,6 @@ static void config_parse(GAConfig *config, int argc, char **argv)
             }
             config->allowedrpcs = g_list_concat(config->allowedrpcs,
                                                 split_list(optarg, ","));
-            allow_rpcs = true;
             break;
         }
 #ifdef _WIN32
@@ -1296,12 +1327,6 @@ static void config_parse(GAConfig *config, int argc, char **argv)
             exit(EXIT_FAILURE);
         }
     }
-
-    if (block_rpcs && allow_rpcs) {
-        g_critical("wrong commandline, using --block-rpcs and --allow-rpcs at the"
-                   " same time is not allowed");
-        exit(EXIT_FAILURE);
-    }
 }
 
 static void config_free(GAConfig *config)
@@ -1395,6 +1420,10 @@ static GAState *initialize_agent(GAConfig *config, int socket_activation)
                    " '%s': %s", config->state_dir, strerror(errno));
         return NULL;
     }
+
+    if (!vss_init(true)) {
+        g_debug("vss_init failed, vss commands will not function");
+    }
 #endif
 
     if (ga_is_frozen(s)) {
@@ -1408,7 +1437,6 @@ 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_not_allowed_freeze, NULL);
     } else {
         if (config->daemonize) {
             become_daemon(config->pid_filepath);
@@ -1432,25 +1460,6 @@ static GAState *initialize_agent(GAConfig *config, int socket_activation)
         return NULL;
     }
 
-    if (config->allowedrpcs) {
-        qmp_for_each_command(&ga_commands, ga_disable_not_allowed, config->allowedrpcs);
-        s->allowedrpcs = config->allowedrpcs;
-    }
-
-    /*
-     * Some commands can be blocked due to system limitation.
-     * Initialize blockedrpcs list even if allowedrpcs specified.
-     */
-    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);
-            l = g_list_next(l);
-        } while (l);
-    }
     s->command_state = ga_command_state_new();
     ga_command_state_init(s, s->command_state);
     ga_command_state_init_all(s->command_state);
@@ -1476,6 +1485,8 @@ static GAState *initialize_agent(GAConfig *config, int socket_activation)
     }
 #endif
 
+    ga_apply_command_filters(s);
+
     ga_state = s;
     return s;
 }
@@ -1579,7 +1590,6 @@ int main(int argc, char **argv)
     qga_qmp_init_marshal(&ga_commands);
 
     init_dfl_pathnames();
-    config_load(config);
     config_parse(config, argc, argv);
 
     if (config->pid_filepath == NULL) {