diff options
Diffstat (limited to 'examples')
| -rw-r--r-- | examples/Makefile.am | 48 | ||||
| -rw-r--r-- | examples/chain.xml | 11 | ||||
| -rw-r--r-- | examples/nft-chain-xml-add.c | 115 | ||||
| -rw-r--r-- | examples/nft-rule-xml-add.c | 109 | ||||
| -rw-r--r-- | examples/nft-table-xml-add.c | 117 | ||||
| -rw-r--r-- | examples/rule.xml | 85 | ||||
| -rw-r--r-- | examples/table.xml | 6 |
7 files changed, 473 insertions, 18 deletions
diff --git a/examples/Makefile.am b/examples/Makefile.am index 1c39e12..dcf798a 100644 --- a/examples/Makefile.am +++ b/examples/Makefile.am @@ -1,13 +1,16 @@ include $(top_srcdir)/Make_global.am check_PROGRAMS = nft-table-add \ + nft-table-xml-add \ nft-table-upd \ nft-table-del \ nft-table-get \ nft-chain-add \ + nft-chain-xml-add \ nft-chain-del \ nft-chain-get \ nft-rule-add \ + nft-rule-xml-add \ nft-rule-del \ nft-rule-get \ nft-events \ @@ -20,55 +23,64 @@ check_PROGRAMS = nft-table-add \ nft-compat-get nft_table_add_SOURCES = nft-table-add.c -nft_table_add_LDADD = ../src/libnftables.la ${LIBMNL_LIBS} +nft_table_add_LDADD = ../src/libnftables.la ${LIBMNL_LIBS} ${LIBXML_LIBS} + +nft_table_xml_add_SOURCES = nft-table-xml-add.c +nft_table_xml_add_LDADD = ../src/libnftables.la ${LIBMNL_LIBS} ${LIBXML_LIBS} nft_table_upd_SOURCES = nft-table-upd.c -nft_table_upd_LDADD = ../src/libnftables.la ${LIBMNL_LIBS} +nft_table_upd_LDADD = ../src/libnftables.la ${LIBMNL_LIBS} ${LIBXML_LIBS} nft_table_del_SOURCES = nft-table-del.c -nft_table_del_LDADD = ../src/libnftables.la ${LIBMNL_LIBS} +nft_table_del_LDADD = ../src/libnftables.la ${LIBMNL_LIBS} ${LIBXML_LIBS} nft_table_get_SOURCES = nft-table-get.c -nft_table_get_LDADD = ../src/libnftables.la ${LIBMNL_LIBS} +nft_table_get_LDADD = ../src/libnftables.la ${LIBMNL_LIBS} ${LIBXML_LIBS} nft_chain_add_SOURCES = nft-chain-add.c -nft_chain_add_LDADD = ../src/libnftables.la ${LIBMNL_LIBS} +nft_chain_add_LDADD = ../src/libnftables.la ${LIBMNL_LIBS} ${LIBXML_LIBS} + +nft_chain_xml_add_SOURCES = nft-chain-xml-add.c +nft_chain_xml_add_LDADD = ../src/libnftables.la ${LIBMNL_LIBS} ${LIBXML_LIBS} nft_chain_del_SOURCES = nft-chain-del.c -nft_chain_del_LDADD = ../src/libnftables.la ${LIBMNL_LIBS} +nft_chain_del_LDADD = ../src/libnftables.la ${LIBMNL_LIBS} ${LIBXML_LIBS} nft_chain_get_SOURCES = nft-chain-get.c -nft_chain_get_LDADD = ../src/libnftables.la ${LIBMNL_LIBS} +nft_chain_get_LDADD = ../src/libnftables.la ${LIBMNL_LIBS} ${LIBXML_LIBS} nft_rule_add_SOURCES = nft-rule-add.c -nft_rule_add_LDADD = ../src/libnftables.la ${LIBMNL_LIBS} +nft_rule_add_LDADD = ../src/libnftables.la ${LIBMNL_LIBS} ${LIBXML_LIBS} + +nft_rule_xml_add_SOURCES = nft-rule-xml-add.c +nft_rule_xml_add_LDADD = ../src/libnftables.la ${LIBMNL_LIBS} ${LIBXML_LIBS} nft_rule_del_SOURCES = nft-rule-del.c -nft_rule_del_LDADD = ../src/libnftables.la ${LIBMNL_LIBS} +nft_rule_del_LDADD = ../src/libnftables.la ${LIBMNL_LIBS} ${LIBXML_LIBS} nft_rule_get_SOURCES = nft-rule-get.c -nft_rule_get_LDADD = ../src/libnftables.la ${LIBMNL_LIBS} +nft_rule_get_LDADD = ../src/libnftables.la ${LIBMNL_LIBS} ${LIBXML_LIBS} nft_events_SOURCES = nft-events.c -nft_events_LDADD = ../src/libnftables.la ${LIBMNL_LIBS} +nft_events_LDADD = ../src/libnftables.la ${LIBMNL_LIBS} ${LIBXML_LIBS} nft_set_add_SOURCES = nft-set-add.c -nft_set_add_LDADD = ../src/libnftables.la ${LIBMNL_LIBS} +nft_set_add_LDADD = ../src/libnftables.la ${LIBMNL_LIBS} ${LIBXML_LIBS} nft_set_del_SOURCES = nft-set-del.c -nft_set_del_LDADD = ../src/libnftables.la ${LIBMNL_LIBS} +nft_set_del_LDADD = ../src/libnftables.la ${LIBMNL_LIBS} ${LIBXML_LIBS} nft_set_get_SOURCES = nft-set-get.c -nft_set_get_LDADD = ../src/libnftables.la ${LIBMNL_LIBS} +nft_set_get_LDADD = ../src/libnftables.la ${LIBMNL_LIBS} ${LIBXML_LIBS} nft_set_elem_add_SOURCES = nft-set-elem-add.c -nft_set_elem_add_LDADD = ../src/libnftables.la ${LIBMNL_LIBS} +nft_set_elem_add_LDADD = ../src/libnftables.la ${LIBMNL_LIBS} ${LIBXML_LIBS} nft_set_elem_del_SOURCES = nft-set-elem-del.c -nft_set_elem_del_LDADD = ../src/libnftables.la ${LIBMNL_LIBS} +nft_set_elem_del_LDADD = ../src/libnftables.la ${LIBMNL_LIBS} ${LIBXML_LIBS} nft_set_elem_get_SOURCES = nft-set-elem-get.c -nft_set_elem_get_LDADD = ../src/libnftables.la ${LIBMNL_LIBS} +nft_set_elem_get_LDADD = ../src/libnftables.la ${LIBMNL_LIBS} ${LIBXML_LIBS} nft_compat_get_SOURCES = nft-compat-get.c -nft_compat_get_LDADD = ../src/libnftables.la ${LIBMNL_LIBS} +nft_compat_get_LDADD = ../src/libnftables.la ${LIBMNL_LIBS} ${LIBXML_LIBS} diff --git a/examples/chain.xml b/examples/chain.xml new file mode 100644 index 0000000..01ccb85 --- /dev/null +++ b/examples/chain.xml @@ -0,0 +1,11 @@ +<chain name="test" handle="0" bytes="59" packets="1" version="0"> + <properties> + <type>filter</type> + <table>filter</table> + <prio>1</prio> + <use>0</use> + <hooknum>4</hooknum> + <policy>1</policy> + <family>10</family> + </properties> +</chain> diff --git a/examples/nft-chain-xml-add.c b/examples/nft-chain-xml-add.c new file mode 100644 index 0000000..c8b0fdc --- /dev/null +++ b/examples/nft-chain-xml-add.c @@ -0,0 +1,115 @@ +/* + * 2013 by Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <stdlib.h> +#include <time.h> +#include <string.h> +#include <netinet/in.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <errno.h> + +#include <linux/netfilter.h> +#include <linux/netfilter/nf_tables.h> + +#include <libmnl/libmnl.h> +#include <libnftables/chain.h> +#include <libnftables/rule.h> + +int main(int argc, char *argv[]) +{ + struct mnl_socket *nl; + char buf[MNL_SOCKET_BUFFER_SIZE]; + struct nlmsghdr *nlh; + uint32_t portid, seq; + struct nft_chain *c = NULL; + int ret; + int fd; + uint16_t family; + char xml[4096]; + char reprint[4096]; + + if (argc < 2) { + printf("Usage: %s <xml-file>\n", argv[0]); + exit(EXIT_FAILURE); + } + + c = nft_chain_alloc(); + if (c == NULL) { + perror("OOM"); + exit(EXIT_FAILURE); + } + + fd = open(argv[1], O_RDONLY); + if (fd < 0) { + perror("open"); + exit(EXIT_FAILURE); + } + + if (read(fd, xml, sizeof(xml)) < 0) { + perror("read"); + close(fd); + exit(EXIT_FAILURE); + } + + close(fd); + + if (nft_chain_parse(c, NFT_CHAIN_PARSE_XML, xml) < 0) { + printf("E: Unable to parse XML file: %s\n", strerror(errno)); + exit(EXIT_FAILURE); + } + + nft_chain_snprintf(reprint, sizeof(reprint), c, NFT_CHAIN_O_XML, 0); + printf("Parsed:\n%s\n", reprint); + + family = (uint16_t)nft_chain_attr_get_u32(c, NFT_CHAIN_ATTR_FAMILY); + + seq = time(NULL); + nlh = nft_chain_nlmsg_build_hdr(buf, NFT_MSG_NEWCHAIN, family, + NLM_F_ACK, seq); + nft_chain_nlmsg_build_payload(nlh, c); + + nft_chain_free(c); + + nl = mnl_socket_open(NETLINK_NETFILTER); + if (nl == NULL) { + perror("mnl_socket_open"); + exit(EXIT_FAILURE); + } + + if (mnl_socket_bind(nl, 0, MNL_SOCKET_AUTOPID) < 0) { + perror("mnl_socket_bind"); + exit(EXIT_FAILURE); + } + + portid = mnl_socket_get_portid(nl); + + if (mnl_socket_sendto(nl, nlh, nlh->nlmsg_len) < 0) { + perror("mnl_socket_send"); + exit(EXIT_FAILURE); + } + + ret = mnl_socket_recvfrom(nl, buf, sizeof(buf)); + while (ret > 0) { + ret = mnl_cb_run(buf, ret, seq, portid, NULL, NULL); + if (ret <= 0) + break; + ret = mnl_socket_recvfrom(nl, buf, sizeof(buf)); + + } + if (ret == -1) { + perror("error"); + exit(EXIT_FAILURE); + } + + + mnl_socket_close(nl); + return EXIT_SUCCESS; +} diff --git a/examples/nft-rule-xml-add.c b/examples/nft-rule-xml-add.c new file mode 100644 index 0000000..bce3411 --- /dev/null +++ b/examples/nft-rule-xml-add.c @@ -0,0 +1,109 @@ +/* + * 2013 by Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <stdlib.h> +#include <time.h> +#include <string.h> +#include <stddef.h> /* for offsetof */ +#include <netinet/in.h> +#include <arpa/inet.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <errno.h> + +#include <linux/netfilter.h> +#include <linux/netfilter/nf_tables.h> + +#include <libmnl/libmnl.h> +#include <libnftables/rule.h> + +int main(int argc, char *argv[]) +{ + struct mnl_socket *nl; + char buf[MNL_SOCKET_BUFFER_SIZE]; + struct nlmsghdr *nlh; + uint32_t portid, seq; + struct nft_rule *r = NULL; + int ret, fd; + uint8_t family; + char xml[4096]; + char reprint[4096]; + + if (argc < 2) { + printf("Usage: %s <xml-file>\n", argv[0]); + exit(EXIT_FAILURE); + } + + fd = open(argv[1], O_RDONLY); + if (fd < 0) { + perror("open"); + exit(EXIT_FAILURE); + } + + if (read(fd, xml, sizeof(xml)) < 0) { + perror("read"); + close(fd); + exit(EXIT_FAILURE); + } + + r = nft_rule_alloc(); + if (r == NULL) { + perror("OOM"); + exit(EXIT_FAILURE); + } + + if (nft_rule_parse(r, NFT_RULE_PARSE_XML, xml) < 0) { + printf("E: Unable to parse XML file: %s\n", strerror(errno)); + exit(EXIT_FAILURE); + } + + nft_rule_snprintf(reprint, sizeof(reprint), r, NFT_RULE_O_XML, 0); + printf("Parsed:\n%s\n", reprint); + + family = nft_rule_attr_get_u8(r, NFT_RULE_ATTR_FAMILY); + + seq = time(NULL); + nlh = nft_rule_nlmsg_build_hdr(buf, NFT_MSG_NEWRULE, family, + NLM_F_APPEND|NLM_F_ACK, seq); + nft_rule_nlmsg_build_payload(nlh, r); + nft_rule_free(r); + + nl = mnl_socket_open(NETLINK_NETFILTER); + if (nl == NULL) { + perror("mnl_socket_open"); + exit(EXIT_FAILURE); + } + + if (mnl_socket_bind(nl, 0, MNL_SOCKET_AUTOPID) < 0) { + perror("mnl_socket_bind"); + exit(EXIT_FAILURE); + } + portid = mnl_socket_get_portid(nl); + + if (mnl_socket_sendto(nl, nlh, nlh->nlmsg_len) < 0) { + perror("mnl_socket_send"); + exit(EXIT_FAILURE); + } + + ret = mnl_socket_recvfrom(nl, buf, sizeof(buf)); + while (ret > 0) { + ret = mnl_cb_run(buf, ret, seq, portid, NULL, NULL); + if (ret <= 0) + break; + ret = mnl_socket_recvfrom(nl, buf, sizeof(buf)); + } + if (ret == -1) { + perror("error"); + exit(EXIT_FAILURE); + } + mnl_socket_close(nl); + + return EXIT_SUCCESS; +} diff --git a/examples/nft-table-xml-add.c b/examples/nft-table-xml-add.c new file mode 100644 index 0000000..41df5b4 --- /dev/null +++ b/examples/nft-table-xml-add.c @@ -0,0 +1,117 @@ +/* + * 2013 by Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <stdlib.h> +#include <time.h> +#include <string.h> +#include <netinet/in.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <errno.h> + +#include <linux/netfilter/nf_tables.h> + +#include <libmnl/libmnl.h> +#include <libnftables/table.h> + +extern struct nft_table nft_table; + +int main(int argc, char *argv[]) +{ + struct mnl_socket *nl; + char buf[MNL_SOCKET_BUFFER_SIZE]; + struct nlmsghdr *nlh; + uint32_t portid, seq; + struct nft_table *t = NULL; + int ret; + int fd; + uint16_t family; + char xml[4096]; + char reprint[4096]; + + if (argc < 2) { + printf("Usage: %s <xml-file>\n", argv[0]); + exit(EXIT_FAILURE); + } + + fd = open(argv[1], O_RDONLY); + if (fd < 0) { + perror("open"); + exit(EXIT_FAILURE); + } + + if (read(fd, xml, sizeof(xml)) < 0) { + perror("read"); + close(fd); + exit(EXIT_FAILURE); + } + + t = nft_table_alloc(); + if (t == NULL) { + perror("OOM"); + close(fd); + exit(EXIT_FAILURE); + } + + /* Parsing XML now */ + if (nft_table_parse(t, NFT_TABLE_PARSE_XML, xml) < 0) { + printf("E: Unable to parse XML file: %s\n", strerror(errno)); + close(fd); + exit(EXIT_FAILURE); + } + + close(fd); + + nft_table_snprintf(reprint, sizeof(reprint), t, NFT_TABLE_O_XML, 0); + printf("Parsed:\n%s\n", reprint); + + + family = (uint16_t)nft_table_attr_get_u32(t, NFT_TABLE_ATTR_FAMILY); + + seq = time(NULL); + + nlh = nft_table_nlmsg_build_hdr(buf, NFT_MSG_NEWTABLE, family, + NLM_F_ACK, seq); + nft_table_nlmsg_build_payload(nlh, t); + nft_table_free(t); + + nl = mnl_socket_open(NETLINK_NETFILTER); + if (nl == NULL) { + perror("mnl_socket_open"); + exit(EXIT_FAILURE); + } + + if (mnl_socket_bind(nl, 0, MNL_SOCKET_AUTOPID) < 0) { + perror("mnl_socket_bind"); + exit(EXIT_FAILURE); + } + portid = mnl_socket_get_portid(nl); + + if (mnl_socket_sendto(nl, nlh, nlh->nlmsg_len) < 0) { + perror("mnl_socket_send"); + exit(EXIT_FAILURE); + } + + ret = mnl_socket_recvfrom(nl, buf, sizeof(buf)); + while (ret > 0) { + ret = mnl_cb_run(buf, ret, seq, portid, NULL, NULL); + if (ret <= 0) + break; + ret = mnl_socket_recvfrom(nl, buf, sizeof(buf)); + } + if (ret == -1) { + perror("error"); + exit(EXIT_FAILURE); + } + + mnl_socket_close(nl); + + return EXIT_SUCCESS; +} diff --git a/examples/rule.xml b/examples/rule.xml new file mode 100644 index 0000000..b1de25a --- /dev/null +++ b/examples/rule.xml @@ -0,0 +1,85 @@ +<?xml version="1.0"?> +<rule family="2" table="filter" chain="INPUT" handle="100" version="0"> + <rule_flags>0</rule_flags> + <flags>127</flags> + <compat_flags>0</compat_flags> + <compat_proto>0</compat_proto> + <expr type="meta"> + <dreg>1</dreg> + <key>4</key> + </expr> + <expr type="cmp"> + <sreg>1</sreg> + <op>eq</op> + <cmpdata> + <data_reg type="value"> + <len>1</len> + <data0>0x04000000</data0> + </data_reg> + </cmpdata> + </expr> + <expr type="payload"> + <dreg>1</dreg> + <base>1</base> + <offset>12</offset> + <len>4</len> + </expr> + <expr type="cmp"> + <sreg>1</sreg> + <op>eq</op> + <cmpdata> + <data_reg type="value"> + <len>1</len> + <data0>0x96d60496</data0> + </data_reg> + </cmpdata> + </expr> + <expr type="payload"> + <dreg>1</dreg> + <base>1</base> + <offset>16</offset> + <len>4</len> + </expr> + <expr type="cmp"> + <sreg>1</sreg> + <op>eq</op> + <cmpdata> + <data_reg type="value"> + <len>1</len> + <data0>0x96d60329</data0> + </data_reg> + </cmpdata> + </expr> + <expr type="payload"> + <dreg>1</dreg> + <base>1</base> + <offset>9</offset> + <len>1</len> + </expr> + <expr type="cmp"> + <sreg>1</sreg> + <op>eq</op> + <cmpdata> + <data_reg type="value"> + <len>1</len> + <data0>0x06000000</data0> + </data_reg> + </cmpdata> + </expr> + <expr type="match"> + <name>state</name> + <rev>0</rev> + <info> + </info> + </expr> + <expr type="counter"> + <pkts>123123</pkts> + <bytes>321321</bytes> + </expr> + <expr type="target"> + <name>LOG</name> + <rev>0</rev> + <info> + </info> + </expr> +</rule> diff --git a/examples/table.xml b/examples/table.xml new file mode 100644 index 0000000..a397d52 --- /dev/null +++ b/examples/table.xml @@ -0,0 +1,6 @@ +<table name="filter" version="0"> + <properties> + <family>2</family> + <table_flags>0</table_flags> + </properties> +</table> |