diff options
-rw-r--r-- | doc/nft.txt | 33 | ||||
-rw-r--r-- | include/linux/netfilter/nf_tables.h | 15 | ||||
-rw-r--r-- | include/rule.h | 2 | ||||
-rw-r--r-- | src/cache.c | 1 | ||||
-rw-r--r-- | src/evaluate.c | 3 | ||||
-rw-r--r-- | src/mnl.c | 46 | ||||
-rw-r--r-- | src/parser_bison.y | 75 | ||||
-rw-r--r-- | src/parser_json.c | 16 | ||||
-rw-r--r-- | src/rule.c | 1 | ||||
-rw-r--r-- | src/scanner.l | 1 | ||||
-rwxr-xr-x | tests/shell/testcases/rule_management/0011destroy_0 | 8 | ||||
-rwxr-xr-x | tests/shell/testcases/rule_management/0012destroy_0 | 7 | ||||
-rw-r--r-- | tests/shell/testcases/rule_management/dumps/0011destroy_0.nft | 4 | ||||
-rw-r--r-- | tests/shell/testcases/rule_management/dumps/0012destroy_0.nft | 4 |
14 files changed, 187 insertions, 29 deletions
diff --git a/doc/nft.txt b/doc/nft.txt index 18c18468..7de4935b 100644 --- a/doc/nft.txt +++ b/doc/nft.txt @@ -322,9 +322,10 @@ TABLES ------ [verse] {*add* | *create*} *table* ['family'] 'table' [ {*comment* 'comment' *;*'} *{ flags* 'flags' *; }*] -{*delete* | *list* | *flush*} *table* ['family'] 'table' +{*delete* | *destroy* | *list* | *flush*} *table* ['family'] 'table' *list tables* ['family'] *delete table* ['family'] *handle* 'handle' +*destroy table* ['family'] *handle* 'handle' Tables are containers for chains, sets and stateful objects. They are identified by their address family and their name. The address family must be one of *ip*, @@ -368,6 +369,7 @@ add table inet mytable [horizontal] *add*:: Add a new table for the given family with the given name. *delete*:: Delete the specified table. +*destroy*:: Delete the specified table, it does not fail if it does not exist. *list*:: List all chains and rules of the specified table. *flush*:: Flush all chains and rules of the specified table. @@ -375,9 +377,10 @@ CHAINS ------ [verse] {*add* | *create*} *chain* ['family'] 'table' 'chain' [*{ type* 'type' *hook* 'hook' [*device* 'device'] *priority* 'priority' *;* [*policy* 'policy' *;*] [*comment* 'comment' *;*'] *}*] -{*delete* | *list* | *flush*} *chain* ['family'] 'table' 'chain' +{*delete* | *destroy* | *list* | *flush*} *chain* ['family'] 'table' 'chain' *list chains* ['family'] *delete chain* ['family'] 'table' *handle* 'handle' +*destroy chain* ['family'] 'table' *handle* 'handle' *rename chain* ['family'] 'table' 'chain' 'newname' Chains are containers for rules. They exist in two kinds, base chains and @@ -390,6 +393,7 @@ organization. are specified, the chain is created as a base chain and hooked up to the networking stack. *create*:: Similar to the *add* command, but returns an error if the chain already exists. *delete*:: Delete the specified chain. The chain must not contain any rules or be used as jump target. +*destroy*:: Delete the specified chain, it does not fail if it does not exist. The chain must not contain any rules or be used as jump target. *rename*:: Rename the specified chain. *list*:: List all rules of the specified chain. *flush*:: Flush all rules of the specified chain. @@ -482,6 +486,7 @@ RULES {*add* | *insert*} *rule* ['family'] 'table' 'chain' [*handle* 'handle' | *index* 'index'] 'statement' ... [*comment* 'comment'] *replace rule* ['family'] 'table' 'chain' *handle* 'handle' 'statement' ... [*comment* 'comment'] {*delete* | *reset*} *rule* ['family'] 'table' 'chain' *handle* 'handle' +*destroy rule* ['family'] 'table' 'chain' *handle* 'handle' *reset rules* ['family'] *reset rules* *table* ['family'] 'table' *reset rules* *chain* ['family'] 'table' ['chain'] @@ -512,6 +517,7 @@ case the rule is inserted after the specified rule. beginning of the chain or before the specified rule. *replace*:: Similar to *add*, but the rule replaces the specified rule. *delete*:: Delete the specified rule. +*destroy*:: Delete the specified rule, it does not fail if it does not exist. *reset*:: Reset rule-contained state, i.e. counter and quota statement values. .*add a rule to ip table output chain* @@ -563,10 +569,10 @@ section describes nft set syntax in more detail. [verse] *add set* ['family'] 'table' 'set' *{ type* 'type' | *typeof* 'expression' *;* [*flags* 'flags' *;*] [*timeout* 'timeout' *;*] [*gc-interval* 'gc-interval' *;*] [*elements = {* 'element'[*,* ...] *} ;*] [*size* 'size' *;*] [*comment* 'comment' *;*'] [*policy* 'policy' *;*] [*auto-merge ;*] *}* -{*delete* | *list* | *flush*} *set* ['family'] 'table' 'set' +{*delete* | *destroy* | *list* | *flush*} *set* ['family'] 'table' 'set' *list sets* ['family'] *delete set* ['family'] 'table' *handle* 'handle' -{*add* | *delete*} *element* ['family'] 'table' 'set' *{* 'element'[*,* ...] *}* +{*add* | *delete* | *destroy* } *element* ['family'] 'table' 'set' *{* 'element'[*,* ...] *}* Sets are element containers of a user-defined data type, they are uniquely identified by a user-defined name and attached to tables. Their behaviour can @@ -575,6 +581,7 @@ be tuned with the flags that can be specified at set creation time. [horizontal] *add*:: Add a new set in the specified table. See the Set specification table below for more information about how to specify properties of a set. *delete*:: Delete the specified set. +*destroy*:: Delete the specified set, it does not fail if it does not exist. *list*:: Display the elements in the specified set. *flush*:: Remove all elements from the specified set. @@ -616,7 +623,7 @@ MAPS ----- [verse] *add map* ['family'] 'table' 'map' *{ type* 'type' | *typeof* 'expression' [*flags* 'flags' *;*] [*elements = {* 'element'[*,* ...] *} ;*] [*size* 'size' *;*] [*comment* 'comment' *;*'] [*policy* 'policy' *;*] *}* -{*delete* | *list* | *flush*} *map* ['family'] 'table' 'map' +{*delete* | *destroy* | *list* | *flush*} *map* ['family'] 'table' 'map' *list maps* ['family'] Maps store data based on some specific key used as input. They are uniquely identified by a user-defined name and attached to tables. @@ -624,6 +631,7 @@ Maps store data based on some specific key used as input. They are uniquely iden [horizontal] *add*:: Add a new map in the specified table. *delete*:: Delete the specified map. +*destroy*:: Delete the specified map, it does not fail if it does not exist. *list*:: Display the elements in the specified map. *flush*:: Remove all elements from the specified map. *add element*:: Comma-separated list of elements to add into the specified map. @@ -658,7 +666,7 @@ ELEMENTS -------- [verse] ____ -{*add* | *create* | *delete* | *get* } *element* ['family'] 'table' 'set' *{* 'ELEMENT'[*,* ...] *}* +{*add* | *create* | *delete* | *destroy* | *get* } *element* ['family'] 'table' 'set' *{* 'ELEMENT'[*,* ...] *}* 'ELEMENT' := 'key_expression' 'OPTIONS' [*:* 'value_expression'] 'OPTIONS' := [*timeout* 'TIMESPEC'] [*expires* 'TIMESPEC'] [*comment* 'string'] @@ -696,7 +704,7 @@ FLOWTABLES [verse] {*add* | *create*} *flowtable* ['family'] 'table' 'flowtable' *{ hook* 'hook' *priority* 'priority' *; devices = {* 'device'[*,* ...] *} ; }* *list flowtables* ['family'] -{*delete* | *list*} *flowtable* ['family'] 'table' 'flowtable' +{*delete* | *destroy* | *list*} *flowtable* ['family'] 'table' 'flowtable' *delete* *flowtable* ['family'] 'table' *handle* 'handle' Flowtables allow you to accelerate packet forwarding in software. Flowtables @@ -720,6 +728,7 @@ and subtraction can be used to set relative priority, e.g. filter + 5 equals to [horizontal] *add*:: Add a new flowtable for the given family with the given name. *delete*:: Delete the specified flowtable. +*destroy*:: Delete the specified flowtable, it does not fail if it does not exist. *list*:: List all flowtables. LISTING @@ -736,12 +745,15 @@ kernel modules, such as nf_conntrack. STATEFUL OBJECTS ---------------- [verse] -{*add* | *delete* | *list* | *reset*} *counter* ['family'] 'table' 'object' -{*add* | *delete* | *list* | *reset*} *quota* ['family'] 'table' 'object' -{*add* | *delete* | *list*} *limit* ['family'] 'table' 'object' +{*add* | *delete* | *destroy* | *list* | *reset*} *counter* ['family'] 'table' 'object' +{*add* | *delete* | *destroy* | *list* | *reset*} *quota* ['family'] 'table' 'object' +{*add* | *delete* | *destroy* | *list*} *limit* ['family'] 'table' 'object' *delete* 'counter' ['family'] 'table' *handle* 'handle' *delete* 'quota' ['family'] 'table' *handle* 'handle' *delete* 'limit' ['family'] 'table' *handle* 'handle' +*destroy* 'counter' ['family'] 'table' *handle* 'handle' +*destroy* 'quota' ['family'] 'table' *handle* 'handle' +*destroy* 'limit' ['family'] 'table' *handle* 'handle' *list counters* ['family'] *list quotas* ['family'] *list limits* ['family'] @@ -757,6 +769,7 @@ keywords "type name" are used e.g. "counter name". [horizontal] *add*:: Add a new stateful object in the specified table. *delete*:: Delete the specified object. +*destroy*:: Delete the specified object, it does not fail if it does not exist. *list*:: Display stateful information the object holds. *reset*:: List-and-reset stateful object. diff --git a/include/linux/netfilter/nf_tables.h b/include/linux/netfilter/nf_tables.h index 3d045030..ff677f3a 100644 --- a/include/linux/netfilter/nf_tables.h +++ b/include/linux/netfilter/nf_tables.h @@ -97,6 +97,14 @@ enum nft_verdicts { * @NFT_MSG_NEWFLOWTABLE: add new flow table (enum nft_flowtable_attributes) * @NFT_MSG_GETFLOWTABLE: get flow table (enum nft_flowtable_attributes) * @NFT_MSG_DELFLOWTABLE: delete flow table (enum nft_flowtable_attributes) + * @NFT_MSG_GETRULE_RESET: get rules and reset stateful expressions (enum nft_obj_attributes) + * @NFT_MSG_DESTROYTABLE: destroy a table (enum nft_table_attributes) + * @NFT_MSG_DESTROYCHAIN: destroy a chain (enum nft_chain_attributes) + * @NFT_MSG_DESTROYRULE: destroy a rule (enum nft_rule_attributes) + * @NFT_MSG_DESTROYSET: destroy a set (enum nft_set_attributes) + * @NFT_MSG_DESTROYSETELEM: destroy a set element (enum nft_set_elem_attributes) + * @NFT_MSG_DESTROYOBJ: destroy a stateful object (enum nft_object_attributes) + * @NFT_MSG_DESTROYFLOWTABLE: destroy flow table (enum nft_flowtable_attributes) */ enum nf_tables_msg_types { NFT_MSG_NEWTABLE, @@ -125,6 +133,13 @@ enum nf_tables_msg_types { NFT_MSG_GETFLOWTABLE, NFT_MSG_DELFLOWTABLE, NFT_MSG_GETRULE_RESET, + NFT_MSG_DESTROYTABLE, + NFT_MSG_DESTROYCHAIN, + NFT_MSG_DESTROYRULE, + NFT_MSG_DESTROYSET, + NFT_MSG_DESTROYSETELEM, + NFT_MSG_DESTROYOBJ, + NFT_MSG_DESTROYFLOWTABLE, NFT_MSG_MAX, }; diff --git a/include/rule.h b/include/rule.h index 22c611f6..0828d161 100644 --- a/include/rule.h +++ b/include/rule.h @@ -563,6 +563,7 @@ void flowtable_print(const struct flowtable *n, struct output_ctx *octx); * @CMD_EXPORT: export the ruleset in a given format * @CMD_MONITOR: event listener * @CMD_DESCRIBE: describe an expression + * @CMD_DESTROY: destroy object */ enum cmd_ops { CMD_INVALID, @@ -580,6 +581,7 @@ enum cmd_ops { CMD_EXPORT, CMD_MONITOR, CMD_DESCRIBE, + CMD_DESTROY, }; /** diff --git a/src/cache.c b/src/cache.c index 0f5d1099..38bc219a 100644 --- a/src/cache.c +++ b/src/cache.c @@ -416,6 +416,7 @@ int nft_cache_evaluate(struct nft_ctx *nft, struct list_head *cmds, flags = NFT_CACHE_FULL; break; case CMD_DELETE: + case CMD_DESTROY: flags |= NFT_CACHE_TABLE | NFT_CACHE_CHAIN | NFT_CACHE_SET | diff --git a/src/evaluate.c b/src/evaluate.c index 2182d8f1..128b7504 100644 --- a/src/evaluate.c +++ b/src/evaluate.c @@ -1677,6 +1677,7 @@ static int interval_set_eval(struct eval_ctx *ctx, struct set *set, } break; case CMD_DELETE: + case CMD_DESTROY: ret = set_delete(ctx->msgs, ctx->cmd, set, init, ctx->nft->debug_mask); break; @@ -5560,6 +5561,7 @@ static const char * const cmd_op_name[] = { [CMD_EXPORT] = "export", [CMD_MONITOR] = "monitor", [CMD_DESCRIBE] = "describe", + [CMD_DESTROY] = "destroy", }; static const char *cmd_op_to_name(enum cmd_ops op) @@ -5592,6 +5594,7 @@ int cmd_evaluate(struct eval_ctx *ctx, struct cmd *cmd) case CMD_INSERT: return cmd_evaluate_add(ctx, cmd); case CMD_DELETE: + case CMD_DESTROY: return cmd_evaluate_delete(ctx, cmd); case CMD_GET: return cmd_evaluate_get(ctx, cmd); @@ -592,6 +592,7 @@ int mnl_nft_rule_replace(struct netlink_ctx *ctx, struct cmd *cmd) int mnl_nft_rule_del(struct netlink_ctx *ctx, struct cmd *cmd) { + enum nf_tables_msg_types msg_type = NFT_MSG_DELRULE; struct handle *h = &cmd->handle; struct nftnl_rule *nlr; struct nlmsghdr *nlh; @@ -602,8 +603,11 @@ int mnl_nft_rule_del(struct netlink_ctx *ctx, struct cmd *cmd) nftnl_rule_set_u32(nlr, NFTNL_RULE_FAMILY, h->family); + if (cmd->op == CMD_DESTROY) + msg_type = NFT_MSG_DESTROYRULE; + nlh = nftnl_nlmsg_build_hdr(nftnl_batch_buffer(ctx->batch), - NFT_MSG_DELRULE, + msg_type, nftnl_rule_get_u32(nlr, NFTNL_RULE_FAMILY), 0, ctx->seqnum); @@ -857,6 +861,7 @@ int mnl_nft_chain_rename(struct netlink_ctx *ctx, const struct cmd *cmd, int mnl_nft_chain_del(struct netlink_ctx *ctx, struct cmd *cmd) { + enum nf_tables_msg_types msg_type = NFT_MSG_DELCHAIN; struct nftnl_chain *nlc; struct nlmsghdr *nlh; @@ -866,8 +871,11 @@ int mnl_nft_chain_del(struct netlink_ctx *ctx, struct cmd *cmd) nftnl_chain_set_u32(nlc, NFTNL_CHAIN_FAMILY, cmd->handle.family); + if (cmd->op == CMD_DESTROY) + msg_type = NFT_MSG_DESTROYCHAIN; + nlh = nftnl_nlmsg_build_hdr(nftnl_batch_buffer(ctx->batch), - NFT_MSG_DELCHAIN, + msg_type, cmd->handle.family, 0, ctx->seqnum); @@ -1002,6 +1010,7 @@ int mnl_nft_table_add(struct netlink_ctx *ctx, struct cmd *cmd, int mnl_nft_table_del(struct netlink_ctx *ctx, struct cmd *cmd) { + enum nf_tables_msg_types msg_type = NFT_MSG_DELTABLE; struct nftnl_table *nlt; struct nlmsghdr *nlh; @@ -1011,10 +1020,11 @@ int mnl_nft_table_del(struct netlink_ctx *ctx, struct cmd *cmd) nftnl_table_set_u32(nlt, NFTNL_TABLE_FAMILY, cmd->handle.family); - nlh = nftnl_nlmsg_build_hdr(nftnl_batch_buffer(ctx->batch), - NFT_MSG_DELTABLE, - cmd->handle.family, - 0, ctx->seqnum); + if (cmd->op == CMD_DESTROY) + msg_type = NFT_MSG_DESTROYTABLE; + + nlh = nftnl_nlmsg_build_hdr(nftnl_batch_buffer(ctx->batch), msg_type, + cmd->handle.family, 0, ctx->seqnum); if (cmd->handle.table.name) { cmd_add_loc(cmd, nlh->nlmsg_len, &cmd->handle.table.location); @@ -1248,6 +1258,7 @@ int mnl_nft_set_add(struct netlink_ctx *ctx, struct cmd *cmd, int mnl_nft_set_del(struct netlink_ctx *ctx, struct cmd *cmd) { + enum nf_tables_msg_types msg_type = NFT_MSG_DELSET; const struct handle *h = &cmd->handle; struct nftnl_set *nls; struct nlmsghdr *nlh; @@ -1258,8 +1269,11 @@ int mnl_nft_set_del(struct netlink_ctx *ctx, struct cmd *cmd) nftnl_set_set_u32(nls, NFTNL_SET_FAMILY, h->family); + if (cmd->op == CMD_DESTROY) + msg_type = NFT_MSG_DESTROYSET; + nlh = nftnl_nlmsg_build_hdr(nftnl_batch_buffer(ctx->batch), - NFT_MSG_DELSET, + msg_type, h->family, 0, ctx->seqnum); @@ -1463,6 +1477,7 @@ int mnl_nft_obj_add(struct netlink_ctx *ctx, struct cmd *cmd, int mnl_nft_obj_del(struct netlink_ctx *ctx, struct cmd *cmd, int type) { + enum nf_tables_msg_types msg_type = NFT_MSG_DELOBJ; struct nftnl_obj *nlo; struct nlmsghdr *nlh; @@ -1473,8 +1488,11 @@ int mnl_nft_obj_del(struct netlink_ctx *ctx, struct cmd *cmd, int type) nftnl_obj_set_u32(nlo, NFTNL_OBJ_FAMILY, cmd->handle.family); nftnl_obj_set_u32(nlo, NFTNL_OBJ_TYPE, type); + if (cmd->op == CMD_DESTROY) + msg_type = NFT_MSG_DESTROYOBJ; + nlh = nftnl_nlmsg_build_hdr(nftnl_batch_buffer(ctx->batch), - NFT_MSG_DELOBJ, cmd->handle.family, + msg_type, cmd->handle.family, 0, ctx->seqnum); cmd_add_loc(cmd, nlh->nlmsg_len, &cmd->handle.table.location); @@ -1747,6 +1765,7 @@ int mnl_nft_setelem_flush(struct netlink_ctx *ctx, const struct cmd *cmd) int mnl_nft_setelem_del(struct netlink_ctx *ctx, struct cmd *cmd, const struct handle *h, const struct expr *init) { + enum nf_tables_msg_types msg_type = NFT_MSG_DELSETELEM; struct nftnl_set *nls; int err; @@ -1763,7 +1782,10 @@ int mnl_nft_setelem_del(struct netlink_ctx *ctx, struct cmd *cmd, netlink_dump_set(nls, ctx); - err = mnl_nft_setelem_batch(nls, cmd, ctx->batch, NFT_MSG_DELSETELEM, 0, + if (cmd->op == CMD_DESTROY) + msg_type = NFT_MSG_DESTROYSETELEM; + + err = mnl_nft_setelem_batch(nls, cmd, ctx->batch, msg_type, 0, ctx->seqnum, init, ctx); nftnl_set_free(nls); @@ -1970,6 +1992,7 @@ int mnl_nft_flowtable_add(struct netlink_ctx *ctx, struct cmd *cmd, int mnl_nft_flowtable_del(struct netlink_ctx *ctx, struct cmd *cmd) { + enum nf_tables_msg_types msg_type = NFT_MSG_DELFLOWTABLE; struct nftnl_flowtable *flo; const char **dev_array; struct nlmsghdr *nlh; @@ -1991,8 +2014,11 @@ int mnl_nft_flowtable_del(struct netlink_ctx *ctx, struct cmd *cmd) nft_flowtable_dev_array_free(dev_array); } + if (cmd->op == CMD_DESTROY) + msg_type = NFT_MSG_DESTROYFLOWTABLE; + nlh = nftnl_nlmsg_build_hdr(nftnl_batch_buffer(ctx->batch), - NFT_MSG_DELFLOWTABLE, cmd->handle.family, + msg_type, cmd->handle.family, 0, ctx->seqnum); cmd_add_loc(cmd, nlh->nlmsg_len, &cmd->handle.table.location); diff --git a/src/parser_bison.y b/src/parser_bison.y index 62a4809b..b229de7a 100644 --- a/src/parser_bison.y +++ b/src/parser_bison.y @@ -291,6 +291,8 @@ int nft_lex(void *, void *, void *); %token DESCRIBE "describe" %token IMPORT "import" %token EXPORT "export" +%token DESTROY "destroy" + %token MONITOR "monitor" %token ALL "all" @@ -650,8 +652,8 @@ int nft_lex(void *, void *, void *); %type <cmd> line %destructor { cmd_free($$); } line -%type <cmd> base_cmd add_cmd replace_cmd create_cmd insert_cmd delete_cmd get_cmd list_cmd reset_cmd flush_cmd rename_cmd export_cmd monitor_cmd describe_cmd import_cmd -%destructor { cmd_free($$); } base_cmd add_cmd replace_cmd create_cmd insert_cmd delete_cmd get_cmd list_cmd reset_cmd flush_cmd rename_cmd export_cmd monitor_cmd describe_cmd import_cmd +%type <cmd> base_cmd add_cmd replace_cmd create_cmd insert_cmd delete_cmd get_cmd list_cmd reset_cmd flush_cmd rename_cmd export_cmd monitor_cmd describe_cmd import_cmd destroy_cmd +%destructor { cmd_free($$); } base_cmd add_cmd replace_cmd create_cmd insert_cmd delete_cmd get_cmd list_cmd reset_cmd flush_cmd rename_cmd export_cmd monitor_cmd describe_cmd import_cmd destroy_cmd %type <handle> table_spec tableid_spec table_or_id_spec %destructor { handle_free(&$$); } table_spec tableid_spec table_or_id_spec @@ -1102,6 +1104,7 @@ base_cmd : /* empty */ add_cmd { $$ = $1; } | EXPORT export_cmd close_scope_export { $$ = $2; } | MONITOR monitor_cmd close_scope_monitor { $$ = $2; } | DESCRIBE describe_cmd { $$ = $2; } + | DESTROY destroy_cmd { $$ = $2; } ; add_cmd : TABLE table_spec @@ -1409,6 +1412,74 @@ delete_cmd : TABLE table_or_id_spec } ; +destroy_cmd : TABLE table_or_id_spec + { + $$ = cmd_alloc(CMD_DESTROY, CMD_OBJ_TABLE, &$2, &@$, NULL); + } + | CHAIN chain_or_id_spec + { + $$ = cmd_alloc(CMD_DESTROY, CMD_OBJ_CHAIN, &$2, &@$, NULL); + } + | RULE ruleid_spec + { + $$ = cmd_alloc(CMD_DESTROY, CMD_OBJ_RULE, &$2, &@$, NULL); + } + | SET set_or_id_spec + { + $$ = cmd_alloc(CMD_DESTROY, CMD_OBJ_SET, &$2, &@$, NULL); + } + | MAP set_spec + { + $$ = cmd_alloc(CMD_DESTROY, CMD_OBJ_SET, &$2, &@$, NULL); + } + | ELEMENT set_spec set_block_expr + { + $$ = cmd_alloc(CMD_DESTROY, CMD_OBJ_ELEMENTS, &$2, &@$, $3); + } + | FLOWTABLE flowtable_spec + { + $$ = cmd_alloc(CMD_DESTROY, CMD_OBJ_FLOWTABLE, &$2, &@$, NULL); + } + | FLOWTABLE flowtableid_spec + { + $$ = cmd_alloc(CMD_DESTROY, CMD_OBJ_FLOWTABLE, &$2, &@$, NULL); + } + | FLOWTABLE flowtable_spec flowtable_block_alloc + '{' flowtable_block '}' + { + $5->location = @5; + handle_merge(&$3->handle, &$2); + $$ = cmd_alloc(CMD_DESTROY, CMD_OBJ_FLOWTABLE, &$2, &@$, $5); + } + | COUNTER obj_or_id_spec close_scope_counter + { + $$ = cmd_alloc(CMD_DESTROY, CMD_OBJ_COUNTER, &$2, &@$, NULL); + } + | QUOTA obj_or_id_spec close_scope_quota + { + $$ = cmd_alloc(CMD_DESTROY, CMD_OBJ_QUOTA, &$2, &@$, NULL); + } + | CT ct_obj_type obj_spec ct_obj_alloc close_scope_ct + { + $$ = cmd_alloc_obj_ct(CMD_DESTROY, $2, &$3, &@$, $4); + if ($2 == NFT_OBJECT_CT_TIMEOUT) + init_list_head(&$4->ct_timeout.timeout_list); + } + | LIMIT obj_or_id_spec close_scope_limit + { + $$ = cmd_alloc(CMD_DESTROY, CMD_OBJ_LIMIT, &$2, &@$, NULL); + } + | SECMARK obj_or_id_spec close_scope_secmark + { + $$ = cmd_alloc(CMD_DESTROY, CMD_OBJ_SECMARK, &$2, &@$, NULL); + } + | SYNPROXY obj_or_id_spec close_scope_synproxy + { + $$ = cmd_alloc(CMD_DESTROY, CMD_OBJ_SYNPROXY, &$2, &@$, NULL); + } + ; + + get_cmd : ELEMENT set_spec set_block_expr { $$ = cmd_alloc(CMD_GET, CMD_OBJ_ELEMENTS, &$2, &@$, $3); diff --git a/src/parser_json.c b/src/parser_json.c index dfab3f9c..ec0c02a0 100644 --- a/src/parser_json.c +++ b/src/parser_json.c @@ -2936,7 +2936,7 @@ static struct cmd *json_parse_cmd_add_rule(struct json_ctx *ctx, json_t *root, if (op != CMD_DELETE && json_unpack_err(ctx, root, "{s:o}", "expr", &tmp)) return NULL; - else if (op == CMD_DELETE && + else if ((op == CMD_DELETE || op == CMD_DESTROY) && json_unpack_err(ctx, root, "{s:I}", "handle", &h.handle.id)) return NULL; @@ -2947,7 +2947,7 @@ static struct cmd *json_parse_cmd_add_rule(struct json_ctx *ctx, json_t *root, h.table.name = xstrdup(h.table.name); h.chain.name = xstrdup(h.chain.name); - if (op == CMD_DELETE) + if (op == CMD_DELETE || op == CMD_DESTROY) return cmd_alloc(op, obj, &h, int_loc, NULL); if (!json_is_array(tmp)) { @@ -3043,7 +3043,7 @@ static struct cmd *json_parse_cmd_add_set(struct json_ctx *ctx, json_t *root, if (op != CMD_DELETE && json_unpack_err(ctx, root, "{s:s}", "name", &h.set.name)) { return NULL; - } else if (op == CMD_DELETE && + } else if ((op == CMD_DELETE || op == CMD_DESTROY) && json_unpack(root, "{s:s}", "name", &h.set.name) && json_unpack(root, "{s:I}", "handle", &h.handle.id)) { json_error(ctx, "Either name or handle required to delete a set."); @@ -3060,6 +3060,7 @@ static struct cmd *json_parse_cmd_add_set(struct json_ctx *ctx, json_t *root, switch (op) { case CMD_DELETE: + case CMD_DESTROY: case CMD_LIST: case CMD_FLUSH: return cmd_alloc(op, obj, &h, int_loc, NULL); @@ -3241,7 +3242,7 @@ static struct cmd *json_parse_cmd_add_flowtable(struct json_ctx *ctx, if (op != CMD_DELETE && json_unpack_err(ctx, root, "{s:s}", "name", &h.flowtable.name)) { return NULL; - } else if (op == CMD_DELETE && + } else if ((op == CMD_DELETE || op == CMD_DESTROY) && json_unpack(root, "{s:s}", "name", &h.flowtable.name) && json_unpack(root, "{s:I}", "handle", &h.handle.id)) { json_error(ctx, "Either name or handle required to delete a flowtable."); @@ -3256,7 +3257,7 @@ static struct cmd *json_parse_cmd_add_flowtable(struct json_ctx *ctx, if (h.flowtable.name) h.flowtable.name = xstrdup(h.flowtable.name); - if (op == CMD_DELETE || op == CMD_LIST) + if (op == CMD_DELETE || op == CMD_LIST || op == CMD_DESTROY) return cmd_alloc(op, cmd_obj, &h, int_loc, NULL); if (json_unpack_err(ctx, root, "{s:s, s:I}", @@ -3345,7 +3346,7 @@ static struct cmd *json_parse_cmd_add_object(struct json_ctx *ctx, cmd_obj == NFT_OBJECT_CT_HELPER) && json_unpack_err(ctx, root, "{s:s}", "name", &h.obj.name)) { return NULL; - } else if (op == CMD_DELETE && + } else if ((op == CMD_DELETE || op == CMD_DESTROY) && cmd_obj != NFT_OBJECT_CT_HELPER && json_unpack(root, "{s:s}", "name", &h.obj.name) && json_unpack(root, "{s:I}", "handle", &h.handle.id)) { @@ -3361,7 +3362,7 @@ static struct cmd *json_parse_cmd_add_object(struct json_ctx *ctx, if (h.obj.name) h.obj.name = xstrdup(h.obj.name); - if (op == CMD_DELETE || op == CMD_LIST) { + if (op == CMD_DELETE || op == CMD_LIST || op == CMD_DESTROY) { if (cmd_obj == NFT_OBJECT_CT_HELPER) return cmd_alloc_obj_ct(op, NFT_OBJECT_CT_HELPER, &h, int_loc, obj_alloc(int_loc)); @@ -3909,6 +3910,7 @@ static struct cmd *json_parse_cmd(struct json_ctx *ctx, json_t *root) { "reset", CMD_RESET, json_parse_cmd_reset }, { "flush", CMD_FLUSH, json_parse_cmd_flush }, { "rename", CMD_RENAME, json_parse_cmd_rename }, + { "destroy", CMD_DESTROY, json_parse_cmd_add }, //{ "export", CMD_EXPORT, json_parse_cmd_export }, //{ "monitor", CMD_MONITOR, json_parse_cmd_monitor }, //{ "describe", CMD_DESCRIBE, json_parse_cmd_describe } @@ -2738,6 +2738,7 @@ int do_command(struct netlink_ctx *ctx, struct cmd *cmd) case CMD_REPLACE: return do_command_replace(ctx, cmd); case CMD_DELETE: + case CMD_DESTROY: return do_command_delete(ctx, cmd); case CMD_GET: return do_command_get(ctx, cmd); diff --git a/src/scanner.l b/src/scanner.l index aa0a0a9f..c0c49b97 100644 --- a/src/scanner.l +++ b/src/scanner.l @@ -359,6 +359,7 @@ addrstring ({macaddr}|{ip4addr}|{ip6addr}) "import" { scanner_push_start_cond(yyscanner, SCANSTATE_CMD_IMPORT); return IMPORT; } "export" { scanner_push_start_cond(yyscanner, SCANSTATE_CMD_EXPORT); return EXPORT; } "monitor" { scanner_push_start_cond(yyscanner, SCANSTATE_CMD_MONITOR); return MONITOR; } +"destroy" { return DESTROY; } "position" { return POSITION; } "index" { return INDEX; } diff --git a/tests/shell/testcases/rule_management/0011destroy_0 b/tests/shell/testcases/rule_management/0011destroy_0 new file mode 100755 index 00000000..895c24a4 --- /dev/null +++ b/tests/shell/testcases/rule_management/0011destroy_0 @@ -0,0 +1,8 @@ +#!/bin/bash + +set -e +$NFT add table t +$NFT add chain t c +$NFT insert rule t c accept # should have handle 2 + +$NFT destroy rule t c handle 2 diff --git a/tests/shell/testcases/rule_management/0012destroy_0 b/tests/shell/testcases/rule_management/0012destroy_0 new file mode 100755 index 00000000..1b61155e --- /dev/null +++ b/tests/shell/testcases/rule_management/0012destroy_0 @@ -0,0 +1,7 @@ +#!/bin/bash + +set -e +$NFT add table t +$NFT add chain t c + +$NFT destroy rule t c handle 3333 diff --git a/tests/shell/testcases/rule_management/dumps/0011destroy_0.nft b/tests/shell/testcases/rule_management/dumps/0011destroy_0.nft new file mode 100644 index 00000000..1e0d1d60 --- /dev/null +++ b/tests/shell/testcases/rule_management/dumps/0011destroy_0.nft @@ -0,0 +1,4 @@ +table ip t { + chain c { + } +} diff --git a/tests/shell/testcases/rule_management/dumps/0012destroy_0.nft b/tests/shell/testcases/rule_management/dumps/0012destroy_0.nft new file mode 100644 index 00000000..1e0d1d60 --- /dev/null +++ b/tests/shell/testcases/rule_management/dumps/0012destroy_0.nft @@ -0,0 +1,4 @@ +table ip t { + chain c { + } +} |