This patch implements a string to represent directions in the CT expression: * original (0) * reply (1) Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@xxxxxxxxx> --- tests/xmlfiles/24-rule-ct.xml | 2 +- tests/xmlfiles/37-rule-real.xml | 2 +- tests/xmlfiles/39-rule-real.xml | 2 +- tests/xmlfiles/50-rule-real.xml | 2 +- tests/xmlfiles/51-rule-real.xml | 2 +- tests/xmlfiles/52-rule-real.xml | 2 +- tests/xmlfiles/53-rule-real.xml | 2 +- tests/xmlfiles/54-rule-real.xml | 2 +- tests/xmlfiles/55-rule-real.xml | 2 +- tests/xmlfiles/56-rule-real.xml | 2 +- tests/xmlfiles/57-rule-real.xml | 2 +- 11 files changed, 11 insertions(+), 11 deletions(-) diff --git a/src/expr/ct.c b/src/expr/ct.c index 3070795..a09976c 100644 --- a/src/expr/ct.c +++ b/src/expr/ct.c @@ -179,11 +179,38 @@ static inline int str2ctkey(const char *ctkey) return -1; } +static const char *ctdir2str(uint8_t ctdir) +{ + switch (ctdir) { + case IP_CT_DIR_ORIGINAL: + return "original"; + case IP_CT_DIR_REPLY: + return "reply"; + default: + return "unknow"; + } +} + +static int str2ctdir(const char *str, uint8_t *ctdir) +{ + if (strcmp(str, "original") == 0) { + *ctdir = IP_CT_DIR_ORIGINAL; + return 0; + } + + if (strcmp(str, "reply") == 0) { + *ctdir = IP_CT_DIR_REPLY; + return 0; + } + + return -1; +} + static int nft_rule_expr_ct_json_parse(struct nft_rule_expr *e, json_t *root, struct nft_parse_err *err) { #ifdef JSON_PARSING - const char *key_str; + const char *key_str, *dir_str; uint32_t reg; uint8_t dir; int key; @@ -207,12 +234,15 @@ static int nft_rule_expr_ct_json_parse(struct nft_rule_expr *e, json_t *root, } if (nft_jansson_node_exist(root, "dir")) { - if (nft_jansson_parse_val(root, "dir", NFT_TYPE_U8, &dir, - err) < 0) + dir_str = nft_jansson_parse_str(root, "dir", err); + if (dir_str == NULL) return -1; - if (dir != IP_CT_DIR_ORIGINAL && dir != IP_CT_DIR_REPLY) + if (str2ctdir(dir_str, &dir) != 0) { + err->node_name = "dir"; + err->error = NFT_PARSE_EBADTYPE; goto err; + } nft_rule_expr_set_u8(e, NFT_EXPR_CT_DIR, dir); } @@ -233,7 +263,7 @@ static int nft_rule_expr_ct_xml_parse(struct nft_rule_expr *e, mxml_node_t *tree { #ifdef XML_PARSING struct nft_expr_ct *ct = nft_expr_data(e); - const char *key_str; + const char *key_str, *dir_str; int key; uint8_t dir; uint32_t reg; @@ -257,10 +287,14 @@ static int nft_rule_expr_ct_xml_parse(struct nft_rule_expr *e, mxml_node_t *tree ct->key = key; e->flags |= (1 << NFT_EXPR_CT_KEY); - if (nft_mxml_num_parse(tree, "dir", MXML_DESCEND_FIRST, BASE_DEC, - &dir, NFT_TYPE_U8, NFT_XML_OPT, err) == 0) { - if (dir != IP_CT_DIR_ORIGINAL && dir != IP_CT_DIR_REPLY) + dir_str = nft_mxml_str_parse(tree, "dir", MXML_DESCEND_FIRST, + NFT_XML_OPT, err); + if (dir_str != NULL) { + if (str2ctdir(dir_str, &dir) != 0) { + err->node_name = "dir"; + err->error = NFT_PARSE_EBADTYPE; goto err; + } nft_rule_expr_set_u8(e, NFT_EXPR_CT_DIR, dir); } @@ -291,7 +325,8 @@ nft_expr_ct_snprintf_json(char *buf, size_t size, struct nft_rule_expr *e) } if (nft_rule_expr_is_set(e, NFT_EXPR_CT_DIR)) { - ret = snprintf(buf+offset, len, ",\"dir\":%u", ct->dir); + ret = snprintf(buf+offset, len, ",\"dir\":\"%s\"", + ctdir2str(ct->dir)); SNPRINTF_BUFFER_SIZE(ret, size, len, offset); } @@ -312,7 +347,8 @@ nft_expr_ct_snprintf_xml(char *buf, size_t size, struct nft_rule_expr *e) SNPRINTF_BUFFER_SIZE(ret, size, len, offset); if (nft_rule_expr_is_set(e, NFT_EXPR_CT_DIR)) { - ret = snprintf(buf+offset, len, "<dir>%u</dir>", ct->dir); + ret = snprintf(buf+offset, len, "<dir>%s</dir>", + ctdir2str(ct->dir)); SNPRINTF_BUFFER_SIZE(ret, size, len, offset); } @@ -330,7 +366,8 @@ nft_expr_ct_snprintf_default(char *buf, size_t size, struct nft_rule_expr *e) SNPRINTF_BUFFER_SIZE(ret, size, len, offset); if (nft_rule_expr_is_set(e, NFT_EXPR_CT_DIR)) { - ret = snprintf(buf+offset, len, "dir %u ", ct->dir); + ret = snprintf(buf+offset, len, ", dir %s ", + ctdir2str(ct->dir)); SNPRINTF_BUFFER_SIZE(ret, size, len, offset); } diff --git a/tests/xmlfiles/24-rule-ct.xml b/tests/xmlfiles/24-rule-ct.xml index b3f4ad8..1939e43 100644 --- a/tests/xmlfiles/24-rule-ct.xml +++ b/tests/xmlfiles/24-rule-ct.xml @@ -1 +1 @@ -<nftables><rule><family>ip</family><table>filter</table><chain>INPUT</chain><handle>100</handle><expr type="ct"><dreg>1</dreg><key>state</key><dir>0</dir></expr></rule></nftables> +<nftables><rule><family>ip</family><table>filter</table><chain>INPUT</chain><handle>100</handle><expr type="ct"><dreg>1</dreg><key>state</key><dir>original</dir></expr></rule></nftables> diff --git a/tests/xmlfiles/37-rule-real.xml b/tests/xmlfiles/37-rule-real.xml index 89b06b8..d9293f6 100644 --- a/tests/xmlfiles/37-rule-real.xml +++ b/tests/xmlfiles/37-rule-real.xml @@ -1 +1 @@ -<nftables><rule><family>ip</family><table>filter</table><chain>INPUT</chain><handle>25</handle><expr type="meta"><dreg>1</dreg><key>iifname</key></expr><expr type="cmp"><sreg>1</sreg><op>eq</op><cmpdata><data_reg type="value"><len>16</len><data0>0x00000000</data0><data1>0x00000000</data1><data2>0x65000000</data2><data3>0x00306874</data3></data_reg></cmpdata></expr><expr type="payload"><dreg>1</dreg><offset>9</offset><len>1</len><base>network</base></expr><expr type="cmp"><sreg>1</sreg><op>eq</op><cmpdata><data_reg type="value"><len>1</len><data0>0x00000006</data0></data_reg></cmpdata></expr><expr type="payload"><dreg>1</dreg><offset>2</offset><len>2</len><base>transport</base></expr><expr type="cmp"><sreg>1</sreg><op>eq</op><cmpdata><data_reg type="value"><len>2</len><data0>0x00001600</data0></data_reg></cmpdata></expr><expr type="ct"><dreg>1</dreg><key>state</key><dir>0</dir></expr><expr type="bitwise"><sreg>1</sreg><dreg>1</dreg><len>4</len><mask><data_reg type="value"><le n>4</len><data0>0x0000000a</data0></data_reg></mask><xor><data_reg type="value"><len>4</len><data0>0x00000000</data0></data_reg></xor></expr><expr type="cmp"><sreg>1</sreg><op>neq</op><cmpdata><data_reg type="value"><len>4</len><data0>0x00000000</data0></data_reg></cmpdata></expr><expr type="counter"><pkts>0</pkts><bytes>0</bytes></expr><expr type="log"><prefix>testprefix</prefix><group>1</group><snaplen>0</snaplen><qthreshold>0</qthreshold></expr></rule></nftables> +<nftables><rule><family>ip</family><table>filter</table><chain>INPUT</chain><handle>25</handle><expr type="meta"><dreg>1</dreg><key>iifname</key></expr><expr type="cmp"><sreg>1</sreg><op>eq</op><cmpdata><data_reg type="value"><len>16</len><data0>0x00000000</data0><data1>0x00000000</data1><data2>0x65000000</data2><data3>0x00306874</data3></data_reg></cmpdata></expr><expr type="payload"><dreg>1</dreg><offset>9</offset><len>1</len><base>network</base></expr><expr type="cmp"><sreg>1</sreg><op>eq</op><cmpdata><data_reg type="value"><len>1</len><data0>0x00000006</data0></data_reg></cmpdata></expr><expr type="payload"><dreg>1</dreg><offset>2</offset><len>2</len><base>transport</base></expr><expr type="cmp"><sreg>1</sreg><op>eq</op><cmpdata><data_reg type="value"><len>2</len><data0>0x00001600</data0></data_reg></cmpdata></expr><expr type="ct"><dreg>1</dreg><key>state</key><dir>original</dir></expr><expr type="bitwise"><sreg>1</sreg><dreg>1</dreg><len>4</len><mask><data_reg type="val ue"><len>4</len><data0>0x0000000a</data0></data_reg></mask><xor><data_reg type="value"><len>4</len><data0>0x00000000</data0></data_reg></xor></expr><expr type="cmp"><sreg>1</sreg><op>neq</op><cmpdata><data_reg type="value"><len>4</len><data0>0x00000000</data0></data_reg></cmpdata></expr><expr type="counter"><pkts>0</pkts><bytes>0</bytes></expr><expr type="log"><prefix>testprefix</prefix><group>1</group><snaplen>0</snaplen><qthreshold>0</qthreshold></expr></rule></nftables> diff --git a/tests/xmlfiles/39-rule-real.xml b/tests/xmlfiles/39-rule-real.xml index a307a2e..9a69a61 100644 --- a/tests/xmlfiles/39-rule-real.xml +++ b/tests/xmlfiles/39-rule-real.xml @@ -1 +1 @@ -<nftables><rule><family>ip6</family><table>filter</table><chain>test</chain><handle>31</handle><expr type="meta"><dreg>1</dreg><key>iifname</key></expr><expr type="cmp"><sreg>1</sreg><op>eq</op><cmpdata><data_reg type="value"><len>16</len><data0>0x00000000</data0><data1>0x00000000</data1><data2>0x6f620000</data2><data3>0x0030646e</data3></data_reg></cmpdata></expr><expr type="meta"><dreg>1</dreg><key>oifname</key></expr><expr type="cmp"><sreg>1</sreg><op>eq</op><cmpdata><data_reg type="value"><len>16</len><data0>0x00000000</data0><data1>0x62000000</data1><data2>0x31646e6f</data2><data3>0x0037322e</data3></data_reg></cmpdata></expr><expr type="payload"><dreg>1</dreg><offset>8</offset><len>16</len><base>network</base></expr><expr type="cmp"><sreg>1</sreg><op>eq</op><cmpdata><data_reg type="value"><len>16</len><data0>0xc09a002a</data0><data1>0x2700cac1</data1><data2>0x00000000</data2><data3>0x50010000</data3></data_reg></cmpdata></expr><expr type="payload"><dreg>1</dreg><offset >6</offset><len>1</len><base>network</base></expr><expr type="cmp"><sreg>1</sreg><op>eq</op><cmpdata><data_reg type="value"><len>1</len><data0>0x00000011</data0></data_reg></cmpdata></expr><expr type="payload"><dreg>1</dreg><offset>2</offset><len>2</len><base>transport</base></expr><expr type="cmp"><sreg>1</sreg><op>eq</op><cmpdata><data_reg type="value"><len>2</len><data0>0x00003500</data0></data_reg></cmpdata></expr><expr type="ct"><dreg>1</dreg><key>status</key><dir>0</dir></expr><expr type="cmp"><sreg>1</sreg><op>eq</op><cmpdata><data_reg type="value"><len>4</len><data0>0x00000001</data0></data_reg></cmpdata></expr><expr type="counter"><pkts>0</pkts><bytes>0</bytes></expr><expr type="log"><prefix>dns_drop</prefix><group>2</group><snaplen>0</snaplen><qthreshold>0</qthreshold></expr><expr type="immediate"><dreg>0</dreg><immediatedata><data_reg type="verdict"><verdict>drop</verdict></data_reg></immediatedata></expr></rule></nftables> +<nftables><rule><family>ip6</family><table>filter</table><chain>test</chain><handle>31</handle><expr type="meta"><dreg>1</dreg><key>iifname</key></expr><expr type="cmp"><sreg>1</sreg><op>eq</op><cmpdata><data_reg type="value"><len>16</len><data0>0x00000000</data0><data1>0x00000000</data1><data2>0x6f620000</data2><data3>0x0030646e</data3></data_reg></cmpdata></expr><expr type="meta"><dreg>1</dreg><key>oifname</key></expr><expr type="cmp"><sreg>1</sreg><op>eq</op><cmpdata><data_reg type="value"><len>16</len><data0>0x00000000</data0><data1>0x62000000</data1><data2>0x31646e6f</data2><data3>0x0037322e</data3></data_reg></cmpdata></expr><expr type="payload"><dreg>1</dreg><offset>8</offset><len>16</len><base>network</base></expr><expr type="cmp"><sreg>1</sreg><op>eq</op><cmpdata><data_reg type="value"><len>16</len><data0>0xc09a002a</data0><data1>0x2700cac1</data1><data2>0x00000000</data2><data3>0x50010000</data3></data_reg></cmpdata></expr><expr type="payload"><dreg>1</dreg><offset >6</offset><len>1</len><base>network</base></expr><expr type="cmp"><sreg>1</sreg><op>eq</op><cmpdata><data_reg type="value"><len>1</len><data0>0x00000011</data0></data_reg></cmpdata></expr><expr type="payload"><dreg>1</dreg><offset>2</offset><len>2</len><base>transport</base></expr><expr type="cmp"><sreg>1</sreg><op>eq</op><cmpdata><data_reg type="value"><len>2</len><data0>0x00003500</data0></data_reg></cmpdata></expr><expr type="ct"><dreg>1</dreg><key>status</key><dir>original</dir></expr><expr type="cmp"><sreg>1</sreg><op>eq</op><cmpdata><data_reg type="value"><len>4</len><data0>0x00000001</data0></data_reg></cmpdata></expr><expr type="counter"><pkts>0</pkts><bytes>0</bytes></expr><expr type="log"><prefix>dns_drop</prefix><group>2</group><snaplen>0</snaplen><qthreshold>0</qthreshold></expr><expr type="immediate"><dreg>0</dreg><immediatedata><data_reg type="verdict"><verdict>drop</verdict></data_reg></immediatedata></expr></rule></nftables> diff --git a/tests/xmlfiles/50-rule-real.xml b/tests/xmlfiles/50-rule-real.xml index d15eff4..c52e00e 100644 --- a/tests/xmlfiles/50-rule-real.xml +++ b/tests/xmlfiles/50-rule-real.xml @@ -1 +1 @@ -<nftables><rule><family>ip</family><table>filter</table><chain>output</chain><handle>12</handle><expr type="ct"><dreg>1</dreg><key>state</key><dir>0</dir></expr><expr type="bitwise"><sreg>1</sreg><dreg>1</dreg><len>4</len><mask><data_reg type="value"><len>4</len><data0>0x0000000a</data0></data_reg></mask><xor><data_reg type="value"><len>4</len><data0>0x00000000</data0></data_reg></xor></expr><expr type="cmp"><sreg>1</sreg><op>neq</op><cmpdata><data_reg type="value"><len>4</len><data0>0x00000000</data0></data_reg></cmpdata></expr><expr type="counter"><pkts>55</pkts><bytes>11407</bytes></expr></rule></nftables> +<nftables><rule><family>ip</family><table>filter</table><chain>output</chain><handle>12</handle><expr type="ct"><dreg>1</dreg><key>state</key><dir>original</dir></expr><expr type="bitwise"><sreg>1</sreg><dreg>1</dreg><len>4</len><mask><data_reg type="value"><len>4</len><data0>0x0000000a</data0></data_reg></mask><xor><data_reg type="value"><len>4</len><data0>0x00000000</data0></data_reg></xor></expr><expr type="cmp"><sreg>1</sreg><op>neq</op><cmpdata><data_reg type="value"><len>4</len><data0>0x00000000</data0></data_reg></cmpdata></expr><expr type="counter"><pkts>55</pkts><bytes>11407</bytes></expr></rule></nftables> diff --git a/tests/xmlfiles/51-rule-real.xml b/tests/xmlfiles/51-rule-real.xml index 471cd2b..93d6632 100644 --- a/tests/xmlfiles/51-rule-real.xml +++ b/tests/xmlfiles/51-rule-real.xml @@ -1 +1 @@ -<nftables><rule><family>ip</family><table>filter</table><chain>output</chain><handle>13</handle><expr type="ct"><dreg>1</dreg><key>direction</key><dir>0</dir></expr><expr type="cmp"><sreg>1</sreg><op>eq</op><cmpdata><data_reg type="value"><len>1</len><data0>0x00000000</data0></data_reg></cmpdata></expr><expr type="counter"><pkts>5</pkts><bytes>160</bytes></expr></rule></nftables> +<nftables><rule><family>ip</family><table>filter</table><chain>output</chain><handle>13</handle><expr type="ct"><dreg>1</dreg><key>direction</key><dir>original</dir></expr><expr type="cmp"><sreg>1</sreg><op>eq</op><cmpdata><data_reg type="value"><len>1</len><data0>0x00000000</data0></data_reg></cmpdata></expr><expr type="counter"><pkts>5</pkts><bytes>160</bytes></expr></rule></nftables> diff --git a/tests/xmlfiles/52-rule-real.xml b/tests/xmlfiles/52-rule-real.xml index 61a1269..c6ca9ec 100644 --- a/tests/xmlfiles/52-rule-real.xml +++ b/tests/xmlfiles/52-rule-real.xml @@ -1 +1 @@ -<nftables><rule><family>ip</family><table>filter</table><chain>output</chain><handle>14</handle><expr type="ct"><dreg>1</dreg><key>direction</key><dir>0</dir></expr><expr type="cmp"><sreg>1</sreg><op>eq</op><cmpdata><data_reg type="value"><len>1</len><data0>0x00000001</data0></data_reg></cmpdata></expr><expr type="counter"><pkts>50</pkts><bytes>11247</bytes></expr></rule></nftables> +<nftables><rule><family>ip</family><table>filter</table><chain>output</chain><handle>14</handle><expr type="ct"><dreg>1</dreg><key>direction</key><dir>original</dir></expr><expr type="cmp"><sreg>1</sreg><op>eq</op><cmpdata><data_reg type="value"><len>1</len><data0>0x00000001</data0></data_reg></cmpdata></expr><expr type="counter"><pkts>50</pkts><bytes>11247</bytes></expr></rule></nftables> diff --git a/tests/xmlfiles/53-rule-real.xml b/tests/xmlfiles/53-rule-real.xml index d835639..8cb0783 100644 --- a/tests/xmlfiles/53-rule-real.xml +++ b/tests/xmlfiles/53-rule-real.xml @@ -1 +1 @@ -<nftables><rule><family>ip</family><table>filter</table><chain>output</chain><handle>15</handle><expr type="ct"><dreg>1</dreg><key>status</key><dir>0</dir></expr><expr type="cmp"><sreg>1</sreg><op>eq</op><cmpdata><data_reg type="value"><len>4</len><data0>0x00000001</data0></data_reg></cmpdata></expr><expr type="counter"><pkts>0</pkts><bytes>0</bytes></expr></rule></nftables> +<nftables><rule><family>ip</family><table>filter</table><chain>output</chain><handle>15</handle><expr type="ct"><dreg>1</dreg><key>status</key><dir>original</dir></expr><expr type="cmp"><sreg>1</sreg><op>eq</op><cmpdata><data_reg type="value"><len>4</len><data0>0x00000001</data0></data_reg></cmpdata></expr><expr type="counter"><pkts>0</pkts><bytes>0</bytes></expr></rule></nftables> diff --git a/tests/xmlfiles/54-rule-real.xml b/tests/xmlfiles/54-rule-real.xml index ed27e56..0c0dc9a 100644 --- a/tests/xmlfiles/54-rule-real.xml +++ b/tests/xmlfiles/54-rule-real.xml @@ -1 +1 @@ -<nftables><rule><family>ip</family><table>filter</table><chain>output</chain><handle>16</handle><expr type="ct"><dreg>1</dreg><key>mark</key><dir>0</dir></expr><expr type="cmp"><sreg>1</sreg><op>eq</op><cmpdata><data_reg type="value"><len>4</len><data0>0x00000064</data0></data_reg></cmpdata></expr><expr type="counter"><pkts>0</pkts><bytes>0</bytes></expr></rule></nftables> +<nftables><rule><family>ip</family><table>filter</table><chain>output</chain><handle>16</handle><expr type="ct"><dreg>1</dreg><key>mark</key><dir>original</dir></expr><expr type="cmp"><sreg>1</sreg><op>eq</op><cmpdata><data_reg type="value"><len>4</len><data0>0x00000064</data0></data_reg></cmpdata></expr><expr type="counter"><pkts>0</pkts><bytes>0</bytes></expr></rule></nftables> diff --git a/tests/xmlfiles/55-rule-real.xml b/tests/xmlfiles/55-rule-real.xml index 2d2bf7f..fca8c99 100644 --- a/tests/xmlfiles/55-rule-real.xml +++ b/tests/xmlfiles/55-rule-real.xml @@ -1 +1 @@ -<nftables><rule><family>ip</family><table>filter</table><chain>output</chain><handle>17</handle><expr type="ct"><dreg>1</dreg><key>secmark</key><dir>0</dir></expr><expr type="cmp"><sreg>1</sreg><op>eq</op><cmpdata><data_reg type="value"><len>4</len><data0>0x00000000</data0></data_reg></cmpdata></expr><expr type="counter"><pkts>55</pkts><bytes>11407</bytes></expr></rule></nftables> +<nftables><rule><family>ip</family><table>filter</table><chain>output</chain><handle>17</handle><expr type="ct"><dreg>1</dreg><key>secmark</key><dir>original</dir></expr><expr type="cmp"><sreg>1</sreg><op>eq</op><cmpdata><data_reg type="value"><len>4</len><data0>0x00000000</data0></data_reg></cmpdata></expr><expr type="counter"><pkts>55</pkts><bytes>11407</bytes></expr></rule></nftables> diff --git a/tests/xmlfiles/56-rule-real.xml b/tests/xmlfiles/56-rule-real.xml index 4596689..1ea7f0c 100644 --- a/tests/xmlfiles/56-rule-real.xml +++ b/tests/xmlfiles/56-rule-real.xml @@ -1 +1 @@ -<nftables><rule><family>ip</family><table>filter</table><chain>output</chain><handle>18</handle><expr type="ct"><dreg>1</dreg><key>expiration</key><dir>0</dir></expr><expr type="cmp"><sreg>1</sreg><op>eq</op><cmpdata><data_reg type="value"><len>4</len><data0>0x0000001e</data0></data_reg></cmpdata></expr><expr type="counter"><pkts>0</pkts><bytes>0</bytes></expr></rule></nftables> +<nftables><rule><family>ip</family><table>filter</table><chain>output</chain><handle>18</handle><expr type="ct"><dreg>1</dreg><key>expiration</key><dir>original</dir></expr><expr type="cmp"><sreg>1</sreg><op>eq</op><cmpdata><data_reg type="value"><len>4</len><data0>0x0000001e</data0></data_reg></cmpdata></expr><expr type="counter"><pkts>0</pkts><bytes>0</bytes></expr></rule></nftables> diff --git a/tests/xmlfiles/57-rule-real.xml b/tests/xmlfiles/57-rule-real.xml index 6a2ad52..6036973 100644 --- a/tests/xmlfiles/57-rule-real.xml +++ b/tests/xmlfiles/57-rule-real.xml @@ -1 +1 @@ -<nftables><rule><family>ip</family><table>filter</table><chain>output</chain><handle>19</handle><expr type="ct"><dreg>1</dreg><key>helper</key><dir>0</dir></expr><expr type="cmp"><sreg>1</sreg><op>eq</op><cmpdata><data_reg type="value"><len>4</len><data0>0x00707466</data0></data_reg></cmpdata></expr><expr type="counter"><pkts>0</pkts><bytes>0</bytes></expr></rule></nftables> +<nftables><rule><family>ip</family><table>filter</table><chain>output</chain><handle>19</handle><expr type="ct"><dreg>1</dreg><key>helper</key><dir>original</dir></expr><expr type="cmp"><sreg>1</sreg><op>eq</op><cmpdata><data_reg type="value"><len>4</len><data0>0x00707466</data0></data_reg></cmpdata></expr><expr type="counter"><pkts>0</pkts><bytes>0</bytes></expr></rule></nftables> -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html