diff options
Diffstat (limited to 'qga/main.c')
-rw-r--r-- | qga/main.c | 77 |
1 files changed, 43 insertions, 34 deletions
@@ -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", @@ -260,8 +260,8 @@ QEMU_COPYRIGHT "\n" #ifdef _WIN32 " -s, --service service commands: install, uninstall, vss-install, vss-uninstall\n" #endif -" -b, --blacklist comma-separated list of RPCs to disable (no spaces, \"?\"\n" -" to list available RPCs)\n" +" -b, --block-rpcs comma-separated list of RPCs to disable (no spaces,\n" +" use \"help\" to list available RPCs)\n" " -D, --dump-conf dump a qemu-ga config file based on current config\n" " options / command-line parameters to stdout\n" " -r, --retry-path attempt re-opening path if it's unavailable or closed\n" @@ -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; @@ -963,6 +964,7 @@ 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(); @@ -1009,10 +1011,16 @@ static void config_load(GAConfig *config) config->retry_path = g_key_file_get_boolean(keyfile, "general", "retry-path", &gerr); } + if (g_key_file_has_key(keyfile, "general", "blacklist", NULL)) { + g_warning("config using deprecated 'blacklist' key, should be replaced" + " with the 'block-rpcs' key."); + blockrpcs_key = "blacklist"; + } + if (g_key_file_has_key(keyfile, "general", blockrpcs_key, NULL)) { config->bliststr = - g_key_file_get_string(keyfile, "general", "blacklist", &gerr); - config->blacklist = g_list_concat(config->blacklist, + g_key_file_get_string(keyfile, "general", blockrpcs_key, &gerr); + config->blockedrpcs = g_list_concat(config->blockedrpcs, split_list(config->bliststr, ",")); } @@ -1072,8 +1080,8 @@ 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, ','); - g_key_file_set_string(keyfile, "general", "blacklist", tmp); + tmp = list_join(config->blockedrpcs, ','); + g_key_file_set_string(keyfile, "general", "block-rpcs", tmp); g_free(tmp); tmp = g_key_file_to_data(keyfile, NULL, &error); @@ -1105,7 +1113,8 @@ static void config_parse(GAConfig *config, int argc, char **argv) { "method", 1, NULL, 'm' }, { "path", 1, NULL, 'p' }, { "daemonize", 0, NULL, 'd' }, - { "blacklist", 1, NULL, 'b' }, + { "block-rpcs", 1, NULL, 'b' }, + { "blacklist", 1, NULL, 'b' }, /* deprecated alias for 'block-rpcs' */ #ifdef _WIN32 { "service", 1, NULL, 's' }, #endif @@ -1163,8 +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 @@ -1218,7 +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); } @@ -1302,7 +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); @@ -1326,10 +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); |