* [libnftnl PATCH 1/2] examples: merge nft-rule-{xml|json}-add.c
@ 2014-09-23 11:15 Arturo Borrero Gonzalez
2014-09-23 11:15 ` [libnftnl PATCH 2/2] examples: nft-rule-parse-add: give batching support Arturo Borrero Gonzalez
2014-09-23 13:50 ` [libnftnl PATCH 1/2] examples: merge nft-rule-{xml|json}-add.c Pablo Neira Ayuso
0 siblings, 2 replies; 4+ messages in thread
From: Arturo Borrero Gonzalez @ 2014-09-23 11:15 UTC (permalink / raw)
To: netfilter-devel; +Cc: pablo
Merge the two examples in just one. An input argument choose the format to use.
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
---
examples/Makefile.am | 10 +--
examples/nft-rule-json-add.c | 123 ----------------------------------
examples/nft-rule-parse-add.c | 148 +++++++++++++++++++++++++++++++++++++++++
examples/nft-rule-xml-add.c | 123 ----------------------------------
4 files changed, 151 insertions(+), 253 deletions(-)
delete mode 100644 examples/nft-rule-json-add.c
create mode 100644 examples/nft-rule-parse-add.c
delete mode 100644 examples/nft-rule-xml-add.c
diff --git a/examples/Makefile.am b/examples/Makefile.am
index 69f5c7f..2559f5c 100644
--- a/examples/Makefile.am
+++ b/examples/Makefile.am
@@ -10,8 +10,7 @@ check_PROGRAMS = nft-table-add \
nft-chain-del \
nft-chain-get \
nft-rule-add \
- nft-rule-xml-add \
- nft-rule-json-add \
+ nft-rule-parse-add \
nft-rule-del \
nft-rule-get \
nft-events \
@@ -55,11 +54,8 @@ nft_chain_get_LDADD = ../src/libnftnl.la ${LIBMNL_LIBS}
nft_rule_add_SOURCES = nft-rule-add.c
nft_rule_add_LDADD = ../src/libnftnl.la ${LIBMNL_LIBS}
-nft_rule_xml_add_SOURCES = nft-rule-xml-add.c
-nft_rule_xml_add_LDADD = ../src/libnftnl.la ${LIBMNL_LIBS}
-
-nft_rule_json_add_SOURCES = nft-rule-json-add.c
-nft_rule_json_add_LDADD = ../src/libnftnl.la ${LIBMNL_LIBS}
+nft_rule_parse_add_SOURCES = nft-rule-parse-add.c
+nft_rule_parse_add_LDADD = ../src/libnftnl.la ${LIBMNL_LIBS}
nft_rule_del_SOURCES = nft-rule-del.c
nft_rule_del_LDADD = ../src/libnftnl.la ${LIBMNL_LIBS}
diff --git a/examples/nft-rule-json-add.c b/examples/nft-rule-json-add.c
deleted file mode 100644
index b33025b..0000000
--- a/examples/nft-rule-json-add.c
+++ /dev/null
@@ -1,123 +0,0 @@
-/*
- * (C) 2013 by Álvaro Neira Ayuso <alvaroneay@gmail.com>
- *
- * Based on nft-rule-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 <sys/types.h>
-#include <sys/stat.h>
-#include <string.h>
-#include <netinet/in.h>
-#include <fcntl.h>
-#include <errno.h>
-
-#include <linux/netfilter.h>
-#include <linux/netfilter/nf_tables.h>
-
-#include <libmnl/libmnl.h>
-#include <libnftnl/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 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);
-
- r = nft_rule_alloc();
- if (r == NULL) {
- perror("OOM");
- exit(EXIT_FAILURE);
- }
-
- err = nft_parse_err_alloc();
- if (err == NULL) {
- perror("error");
- exit(EXIT_FAILURE);
- }
-
- if (nft_rule_parse(r, NFT_PARSE_JSON, json, err) < 0) {
- nft_parse_perror("Unable to parse JSON file", err);
- exit(EXIT_FAILURE);
- }
-
- nft_rule_snprintf(reprint, sizeof(reprint), r, NFT_OUTPUT_JSON, 0);
- printf("Parsed:\n%s\n", reprint);
-
- nft_rule_attr_unset(r, NFT_RULE_ATTR_HANDLE);
- 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_CREATE|NLM_F_APPEND|NLM_F_ACK,
- seq);
- nft_rule_nlmsg_build_payload(nlh, r);
- nft_rule_free(r);
- 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-rule-parse-add.c b/examples/nft-rule-parse-add.c
new file mode 100644
index 0000000..8b6152a
--- /dev/null
+++ b/examples/nft-rule-parse-add.c
@@ -0,0 +1,148 @@
+/*
+ * (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 <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 <libnftnl/rule.h>
+
+static struct nft_rule *rule_parse_file(const char *file, uint16_t format)
+{
+ int fd;
+ struct nft_rule *r;
+ struct nft_parse_err *err;
+ char data[4096];
+
+ fd = open(file, O_RDONLY);
+ if (fd < 0) {
+ perror("open");
+ return NULL;
+ }
+
+ if (read(fd, data, sizeof(data)) < 0) {
+ perror("read");
+ close(fd);
+ return NULL;
+ }
+ close(fd);
+
+ r = nft_rule_alloc();
+ if (r == NULL) {
+ perror("OOM");
+ exit(EXIT_FAILURE);
+ }
+
+ err = nft_parse_err_alloc();
+ if (err == NULL) {
+ perror("error");
+ exit(EXIT_FAILURE);
+ }
+
+ if (nft_rule_parse(r, format, data, err) < 0) {
+ nft_parse_perror("Unable to parse file", err);
+ nft_parse_err_free(err);
+ nft_rule_free(r);
+ return NULL;
+ }
+
+ nft_rule_attr_unset(r, NFT_RULE_ATTR_HANDLE);
+
+ nft_parse_err_free(err);
+ return r;
+}
+
+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;
+ int ret;
+ uint16_t family, format, outformat;
+
+ if (argc < 3) {
+ printf("Usage: %s {xml|json} <file>\n", argv[0]);
+ exit(EXIT_FAILURE);
+ }
+
+ 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);
+ }
+
+ r = rule_parse_file(argv[2], format);
+ if (r == NULL)
+ exit(EXIT_FAILURE);
+
+ nft_rule_fprintf(stdout, r, outformat, 0);
+ fprintf(stdout, "\n");
+
+ family = nft_rule_attr_get_u32(r, NFT_RULE_ATTR_FAMILY);
+
+ seq = time(NULL);
+ nlh = nft_rule_nlmsg_build_hdr(buf, NFT_MSG_NEWRULE, family,
+ NLM_F_CREATE|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-rule-xml-add.c b/examples/nft-rule-xml-add.c
deleted file mode 100644
index dd16922..0000000
--- a/examples/nft-rule-xml-add.c
+++ /dev/null
@@ -1,123 +0,0 @@
-/*
- * (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 <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 <libnftnl/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];
- struct nft_parse_err *err;
-
- 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);
- }
- close(fd);
-
- r = nft_rule_alloc();
- if (r == NULL) {
- perror("OOM");
- exit(EXIT_FAILURE);
- }
-
- err = nft_parse_err_alloc();
- if (err == NULL) {
- perror("error");
- exit(EXIT_FAILURE);
- }
-
- if (nft_rule_parse(r, NFT_PARSE_XML, xml, err) < 0) {
- nft_parse_perror("Unable to parse XML file", err);
- exit(EXIT_FAILURE);
- }
-
- nft_rule_snprintf(reprint, sizeof(reprint), r, NFT_OUTPUT_XML, 0);
- printf("Parsed:\n%s\n", reprint);
-
- nft_rule_attr_unset(r, NFT_RULE_ATTR_HANDLE);
- 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_CREATE|NLM_F_APPEND|NLM_F_ACK,
- seq);
- nft_rule_nlmsg_build_payload(nlh, r);
- nft_rule_free(r);
- 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;
-}
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^ permalink raw reply related [flat|nested] 4+ messages in thread
* [libnftnl PATCH 2/2] examples: nft-rule-parse-add: give batching support
2014-09-23 11:15 [libnftnl PATCH 1/2] examples: merge nft-rule-{xml|json}-add.c Arturo Borrero Gonzalez
@ 2014-09-23 11:15 ` Arturo Borrero Gonzalez
2014-09-23 13:50 ` Pablo Neira Ayuso
2014-09-23 13:50 ` [libnftnl PATCH 1/2] examples: merge nft-rule-{xml|json}-add.c Pablo Neira Ayuso
1 sibling, 1 reply; 4+ messages in thread
From: Arturo Borrero Gonzalez @ 2014-09-23 11:15 UTC (permalink / raw)
To: netfilter-devel; +Cc: pablo
Let's add support for current kernels.
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
---
examples/nft-rule-parse-add.c | 35 +++++++++++++++++++++++++++++------
1 file changed, 29 insertions(+), 6 deletions(-)
diff --git a/examples/nft-rule-parse-add.c b/examples/nft-rule-parse-add.c
index 8b6152a..4160435 100644
--- a/examples/nft-rule-parse-add.c
+++ b/examples/nft-rule-parse-add.c
@@ -75,11 +75,12 @@ static struct nft_rule *rule_parse_file(const char *file, uint16_t format)
int main(int argc, char *argv[])
{
struct mnl_socket *nl;
+ struct mnl_nlmsg_batch *batch;
char buf[MNL_SOCKET_BUFFER_SIZE];
struct nlmsghdr *nlh;
- uint32_t portid, seq;
+ uint32_t portid, seq, rule_seq;
struct nft_rule *r;
- int ret;
+ int ret, batching;
uint16_t family, format, outformat;
if (argc < 3) {
@@ -105,14 +106,33 @@ int main(int argc, char *argv[])
nft_rule_fprintf(stdout, r, outformat, 0);
fprintf(stdout, "\n");
- family = nft_rule_attr_get_u32(r, NFT_RULE_ATTR_FAMILY);
+ batching = nft_batch_is_supported();
+ if (batching < 0) {
+ perror("Cannot talk to nfnetlink");
+ exit(EXIT_FAILURE);
+ }
seq = time(NULL);
+ batch = mnl_nlmsg_batch_start(buf, sizeof(buf));
+
+ if (batching) {
+ nft_batch_begin(mnl_nlmsg_batch_current(batch), seq++);
+ mnl_nlmsg_batch_next(batch);
+ }
+
+ rule_seq = seq;
+ family = nft_rule_attr_get_u32(r, NFT_RULE_ATTR_FAMILY);
nlh = nft_rule_nlmsg_build_hdr(buf, NFT_MSG_NEWRULE, family,
NLM_F_CREATE|NLM_F_APPEND|NLM_F_ACK,
- seq);
+ seq++);
nft_rule_nlmsg_build_payload(nlh, r);
nft_rule_free(r);
+ mnl_nlmsg_batch_next(batch);
+
+ if (batching) {
+ nft_batch_end(mnl_nlmsg_batch_current(batch), seq++);
+ mnl_nlmsg_batch_next(batch);
+ }
nl = mnl_socket_open(NETLINK_NETFILTER);
if (nl == NULL) {
@@ -126,14 +146,17 @@ int main(int argc, char *argv[])
}
portid = mnl_socket_get_portid(nl);
- if (mnl_socket_sendto(nl, nlh, nlh->nlmsg_len) < 0) {
+ if (mnl_socket_sendto(nl, mnl_nlmsg_batch_head(batch),
+ mnl_nlmsg_batch_size(batch)) < 0) {
perror("mnl_socket_send");
exit(EXIT_FAILURE);
}
+ mnl_nlmsg_batch_stop(batch);
+
ret = mnl_socket_recvfrom(nl, buf, sizeof(buf));
while (ret > 0) {
- ret = mnl_cb_run(buf, ret, seq, portid, NULL, NULL);
+ ret = mnl_cb_run(buf, ret, rule_seq, portid, NULL, NULL);
if (ret <= 0)
break;
ret = mnl_socket_recvfrom(nl, buf, sizeof(buf));
^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [libnftnl PATCH 1/2] examples: merge nft-rule-{xml|json}-add.c
2014-09-23 11:15 [libnftnl PATCH 1/2] examples: merge nft-rule-{xml|json}-add.c Arturo Borrero Gonzalez
2014-09-23 11:15 ` [libnftnl PATCH 2/2] examples: nft-rule-parse-add: give batching support Arturo Borrero Gonzalez
@ 2014-09-23 13:50 ` Pablo Neira Ayuso
1 sibling, 0 replies; 4+ messages in thread
From: Pablo Neira Ayuso @ 2014-09-23 13:50 UTC (permalink / raw)
To: Arturo Borrero Gonzalez; +Cc: netfilter-devel
On Tue, Sep 23, 2014 at 01:15:21PM +0200, Arturo Borrero Gonzalez wrote:
> Merge the two examples in just one. An input argument choose the format to use.
Applied, thanks
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [libnftnl PATCH 2/2] examples: nft-rule-parse-add: give batching support
2014-09-23 11:15 ` [libnftnl PATCH 2/2] examples: nft-rule-parse-add: give batching support Arturo Borrero Gonzalez
@ 2014-09-23 13:50 ` Pablo Neira Ayuso
0 siblings, 0 replies; 4+ messages in thread
From: Pablo Neira Ayuso @ 2014-09-23 13:50 UTC (permalink / raw)
To: Arturo Borrero Gonzalez; +Cc: netfilter-devel
On Tue, Sep 23, 2014 at 01:15:26PM +0200, Arturo Borrero Gonzalez wrote:
> Let's add support for current kernels.
Also applied, thanks.
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2014-09-23 13:49 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2014-09-23 11:15 [libnftnl PATCH 1/2] examples: merge nft-rule-{xml|json}-add.c Arturo Borrero Gonzalez
2014-09-23 11:15 ` [libnftnl PATCH 2/2] examples: nft-rule-parse-add: give batching support Arturo Borrero Gonzalez
2014-09-23 13:50 ` Pablo Neira Ayuso
2014-09-23 13:50 ` [libnftnl PATCH 1/2] examples: merge nft-rule-{xml|json}-add.c Pablo Neira Ayuso
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