diff options
Diffstat (limited to 'examples')
-rw-r--r-- | examples/Makefile.am | 10 | ||||
-rw-r--r-- | examples/nft-table-json-add.c | 124 | ||||
-rw-r--r-- | examples/nft-table-parse-add.c (renamed from examples/nft-table-xml-add.c) | 80 |
3 files changed, 55 insertions, 159 deletions
diff --git a/examples/Makefile.am b/examples/Makefile.am index f35924d..69f5c7f 100644 --- a/examples/Makefile.am +++ b/examples/Makefile.am @@ -1,8 +1,7 @@ include $(top_srcdir)/Make_global.am check_PROGRAMS = nft-table-add \ - nft-table-xml-add \ - nft-table-json-add \ + nft-table-parse-add \ nft-table-upd \ nft-table-del \ nft-table-get \ @@ -29,11 +28,8 @@ check_PROGRAMS = nft-table-add \ nft_table_add_SOURCES = nft-table-add.c nft_table_add_LDADD = ../src/libnftnl.la ${LIBMNL_LIBS} -nft_table_xml_add_SOURCES = nft-table-xml-add.c -nft_table_xml_add_LDADD = ../src/libnftnl.la ${LIBMNL_LIBS} - -nft_table_json_add_SOURCES = nft-table-json-add.c -nft_table_json_add_LDADD = ../src/libnftnl.la ${LIBMNL_LIBS} +nft_table_parse_add_SOURCES = nft-table-parse-add.c +nft_table_parse_add_LDADD = ../src/libnftnl.la ${LIBMNL_LIBS} nft_table_upd_SOURCES = nft-table-upd.c nft_table_upd_LDADD = ../src/libnftnl.la ${LIBMNL_LIBS} diff --git a/examples/nft-table-json-add.c b/examples/nft-table-json-add.c deleted file mode 100644 index a9bd217..0000000 --- a/examples/nft-table-json-add.c +++ /dev/null @@ -1,124 +0,0 @@ -/* - * (C) 2013 by Álvaro Neira Ayuso <alvaroneay@gmail.com> - * - * Based on nft-table-xml-add from: - * - * (C) 2013 by Pablo Neira Ayuso <pablo@netfilter.org> - * (C) 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. - * - * This code has been sponsored by Sophos Astaro <http://www.sophos.com> - */ - -#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 <libnftnl/table.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_table *t = NULL; - int ret, fd; - uint16_t family; - char json[4096]; - char reprint[4096]; - struct nft_parse_err *err; - - if (argc < 2) { - printf("Usage: %s <json-file>\n", argv[0]); - exit(EXIT_FAILURE); - } - - fd = open(argv[1], O_RDONLY); - if (fd < 0) { - perror("open"); - exit(EXIT_FAILURE); - } - - if (read(fd, json, sizeof(json)) < 0) { - perror("read"); - close(fd); - exit(EXIT_FAILURE); - } - close(fd); - - t = nft_table_alloc(); - if (t == NULL) { - perror("OOM"); - exit(EXIT_FAILURE); - } - - err = nft_parse_err_alloc(); - if (err == NULL) { - perror("error"); - exit(EXIT_FAILURE); - } - - if (nft_table_parse(t, NFT_PARSE_JSON, json, err) < 0) { - nft_parse_perror("Unable to parse JSON file", err); - exit(EXIT_FAILURE); - } - - nft_table_snprintf(reprint, sizeof(reprint), t, NFT_OUTPUT_JSON, 0); - printf("Parsed:\n%s\n", reprint); - - family = 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_CREATE|NLM_F_ACK, seq); - nft_table_nlmsg_build_payload(nlh, t); - nft_table_free(t); - nft_parse_err_free(err); - - 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-parse-add.c index f36f0ab..0faedad 100644 --- a/examples/nft-table-xml-add.c +++ b/examples/nft-table-parse-add.c @@ -25,56 +25,81 @@ #include <libnftnl/table.h> #include <libnftnl/common.h> -int main(int argc, char *argv[]) +static struct nft_table *table_parse_file(const char *file, uint16_t format) { - struct mnl_socket *nl; - char buf[MNL_SOCKET_BUFFER_SIZE]; - struct nlmsghdr *nlh; - uint32_t portid, seq; - struct nft_table *t = NULL; - int ret, fd; - uint16_t family; - char xml[4096]; - char reprint[4096]; + int fd; + struct nft_table *t; struct nft_parse_err *err; + char data[4096]; - if (argc < 2) { - printf("Usage: %s <xml-file>\n", argv[0]); - exit(EXIT_FAILURE); + t = nft_table_alloc(); + if (t == NULL) { + perror("OOM"); + return NULL; } - fd = open(argv[1], O_RDONLY); + fd = open(file, O_RDONLY); if (fd < 0) { perror("open"); - exit(EXIT_FAILURE); + return NULL; } - if (read(fd, xml, sizeof(xml)) < 0) { + if (read(fd, data, sizeof(data)) < 0) { perror("read"); close(fd); - exit(EXIT_FAILURE); + return NULL; } close(fd); - t = nft_table_alloc(); - if (t == NULL) { - perror("OOM"); - exit(EXIT_FAILURE); - } - err = nft_parse_err_alloc(); if (err == NULL) { perror("error"); + return NULL; + } + + if (nft_table_parse(t, format, data, err) < 0) { + nft_parse_perror("Unable to parse file", err); + nft_parse_err_free(err); + return NULL; + } + + nft_parse_err_free(err); + return t; + +} + +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; + uint16_t family, format, outformat; + + if (argc < 3) { + printf("Usage: %s {xml|json} <file>\n", argv[0]); exit(EXIT_FAILURE); } - if (nft_table_parse(t, NFT_PARSE_XML, xml, err) < 0) { - nft_parse_perror("Unable to parse XML file", err); + if (strcmp(argv[1], "xml") == 0) { + format = NFT_PARSE_XML; + outformat = NFT_OUTPUT_XML; + } else if (strcmp(argv[1], "json") == 0) { + format = NFT_PARSE_JSON; + outformat = NFT_OUTPUT_JSON; + } else { + printf("Unknown format: xml, json\n"); exit(EXIT_FAILURE); } - nft_table_snprintf(reprint, sizeof(reprint), t, NFT_OUTPUT_XML, 0); - printf("Parsed:\n%s\n", reprint); + t = table_parse_file(argv[2], format); + if (t == NULL) + exit(EXIT_FAILURE); + + nft_table_fprintf(stdout, t, outformat, 0); + fprintf(stdout, "\n"); family = nft_table_attr_get_u32(t, NFT_TABLE_ATTR_FAMILY); @@ -84,7 +109,6 @@ int main(int argc, char *argv[]) NLM_F_CREATE|NLM_F_ACK, seq); nft_table_nlmsg_build_payload(nlh, t); nft_table_free(t); - nft_parse_err_free(err); nl = mnl_socket_open(NETLINK_NETFILTER); if (nl == NULL) { |