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author | Arturo Borrero <arturo.borrero.glez@gmail.com> | 2014-09-26 20:34:42 +0200 |
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committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2014-09-29 16:57:46 +0200 |
commit | e4d769d5a67067651be92dc21f47c9ed57a470e7 (patch) | |
tree | 8d8e76cd450c61a9d8ccc4a5606fda551cc4755c /examples/nft-set-json-add.c | |
parent | a50916e42468b91d47ea123be76382cb5040b2f1 (diff) |
examples: nft-set-json-add: generalize parsing format support
Let's create a single code example with XML/JSON support.
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Diffstat (limited to 'examples/nft-set-json-add.c')
-rw-r--r-- | examples/nft-set-json-add.c | 124 |
1 files changed, 0 insertions, 124 deletions
diff --git a/examples/nft-set-json-add.c b/examples/nft-set-json-add.c deleted file mode 100644 index a4535da..0000000 --- a/examples/nft-set-json-add.c +++ /dev/null @@ -1,124 +0,0 @@ -/* - * (C) 2013 by Álvaro Neira Ayuso <alvaroneay@gmail.com> - * - * Based on nft-set-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. - */ - -#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 <libnftnl/set.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_set *s; - 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); - } - - s = nft_set_alloc(); - if (s == NULL) { - perror("OOM"); - 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); - } - - err = nft_parse_err_alloc(); - if (err == NULL) { - perror("error"); - exit(EXIT_FAILURE); - } - - close(fd); - - if (nft_set_parse(s, NFT_PARSE_JSON, json, err) < 0) { - nft_parse_perror("Unable to parse JSON file", err); - exit(EXIT_FAILURE); - } - - nft_set_snprintf(reprint, sizeof(reprint), s, NFT_OUTPUT_JSON, 0); - printf("Parsed:\n%s\n", reprint); - - family = nft_set_attr_get_u32(s, NFT_SET_ATTR_FAMILY); - - seq = time(NULL); - - nlh = nft_set_nlmsg_build_hdr(buf, NFT_MSG_NEWSET, family, - NLM_F_CREATE|NLM_F_ACK, seq); - nft_set_nlmsg_build_payload(nlh, s); - nft_set_free(s); - 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; -} |