10#include <netlink/netfilter/nfnl.h>
11#include <netlink/netfilter/netfilter.h>
12#include <netlink/netfilter/log_msg.h>
13#include <netlink/netfilter/ct.h>
14#include <netlink/route/link.h>
16#include "nl-priv-dynamic-core/object-api.h"
17#include "nl-netfilter.h"
20#define LOG_MSG_ATTR_FAMILY (1UL << 0)
21#define LOG_MSG_ATTR_HWPROTO (1UL << 1)
22#define LOG_MSG_ATTR_HOOK (1UL << 2)
23#define LOG_MSG_ATTR_MARK (1UL << 3)
24#define LOG_MSG_ATTR_TIMESTAMP (1UL << 4)
25#define LOG_MSG_ATTR_INDEV (1UL << 5)
26#define LOG_MSG_ATTR_OUTDEV (1UL << 6)
27#define LOG_MSG_ATTR_PHYSINDEV (1UL << 7)
28#define LOG_MSG_ATTR_PHYSOUTDEV (1UL << 8)
29#define LOG_MSG_ATTR_HWADDR (1UL << 9)
30#define LOG_MSG_ATTR_PAYLOAD (1UL << 10)
31#define LOG_MSG_ATTR_PREFIX (1UL << 11)
32#define LOG_MSG_ATTR_UID (1UL << 12)
33#define LOG_MSG_ATTR_GID (1UL << 13)
34#define LOG_MSG_ATTR_SEQ (1UL << 14)
35#define LOG_MSG_ATTR_SEQ_GLOBAL (1UL << 15)
36#define LOG_MSG_ATTR_HWTYPE (1UL << 16)
37#define LOG_MSG_ATTR_HWLEN (1UL << 17)
38#define LOG_MSG_ATTR_HWHEADER (1UL << 18)
39#define LOG_MSG_ATTR_VLAN_PROTO (1UL << 19)
40#define LOG_MSG_ATTR_VLAN_TAG (1UL << 20)
41#define LOG_MSG_ATTR_CT_INFO (1UL << 21)
42#define LOG_MSG_ATTR_CT (1UL << 22)
45static void log_msg_free_data(
struct nl_object *c)
52 free(msg->log_msg_payload);
53 free(msg->log_msg_prefix);
54 free(msg->log_msg_hwheader);
56 nfnl_ct_put(msg->log_msg_ct);
59static int log_msg_clone(
struct nl_object *_dst,
struct nl_object *_src)
65 dst->log_msg_payload = NULL;
66 dst->log_msg_payload_len = 0;
67 dst->log_msg_prefix = NULL;
68 dst->log_msg_hwheader = NULL;
69 dst->log_msg_hwheader_len = 0;
70 dst->log_msg_ct = NULL;
72 if (src->log_msg_payload) {
73 err = nfnl_log_msg_set_payload(dst, src->log_msg_payload,
74 src->log_msg_payload_len);
79 if (src->log_msg_prefix) {
80 err = nfnl_log_msg_set_prefix(dst, src->log_msg_prefix);
85 if (src->log_msg_hwheader) {
86 err = nfnl_log_msg_set_hwheader(dst, src->log_msg_hwheader,
87 src->log_msg_hwheader_len);
92 if (src->log_msg_ct) {
94 if (!dst->log_msg_ct) {
102static void log_msg_dump(
struct nl_object *a,
struct nl_dump_params *p)
105 struct nl_cache *link_cache;
112 if (msg->ce_mask & LOG_MSG_ATTR_PREFIX)
113 nl_dump(p,
"%s", msg->log_msg_prefix);
115 if (msg->ce_mask & LOG_MSG_ATTR_INDEV) {
122 nl_dump(p,
"IN=%d ", msg->log_msg_indev);
125 if (msg->ce_mask & LOG_MSG_ATTR_PHYSINDEV) {
129 msg->log_msg_physindev,
132 nl_dump(p,
"PHYSIN=%d ", msg->log_msg_physindev);
135 if (msg->ce_mask & LOG_MSG_ATTR_OUTDEV) {
142 nl_dump(p,
"OUT=%d ", msg->log_msg_outdev);
145 if (msg->ce_mask & LOG_MSG_ATTR_PHYSOUTDEV) {
149 msg->log_msg_physoutdev,
152 nl_dump(p,
"PHYSOUT=%d ", msg->log_msg_physoutdev);
155 if (msg->ce_mask & LOG_MSG_ATTR_HWADDR) {
159 for (i = 0; i < msg->log_msg_hwaddr_len; i++)
160 nl_dump(p,
"%c%02x", i?
':':
'=', msg->log_msg_hwaddr[i]);
166 if (msg->ce_mask & LOG_MSG_ATTR_FAMILY)
168 nl_af2str(msg->log_msg_family, buf,
sizeof(buf)));
170 if (msg->ce_mask & LOG_MSG_ATTR_HWPROTO)
172 nl_ether_proto2str(ntohs(msg->log_msg_hwproto),
175 if (msg->ce_mask & LOG_MSG_ATTR_HOOK)
177 nfnl_inet_hook2str(msg->log_msg_hook,
180 if (msg->ce_mask & LOG_MSG_ATTR_MARK)
181 nl_dump(p,
"MARK=%u ", msg->log_msg_mark);
183 if (msg->ce_mask & LOG_MSG_ATTR_PAYLOAD)
184 nl_dump(p,
"PAYLOADLEN=%d ", msg->log_msg_payload_len);
186 if (msg->ce_mask & LOG_MSG_ATTR_UID)
187 nl_dump(p,
"UID=%u ", msg->log_msg_uid);
189 if (msg->ce_mask & LOG_MSG_ATTR_GID)
190 nl_dump(p,
"GID=%u ", msg->log_msg_gid);
192 if (msg->ce_mask & LOG_MSG_ATTR_SEQ)
193 nl_dump(p,
"SEQ=%d ", msg->log_msg_seq);
195 if (msg->ce_mask & LOG_MSG_ATTR_SEQ_GLOBAL)
196 nl_dump(p,
"SEQGLOBAL=%d ", msg->log_msg_seq_global);
198 if (msg->ce_mask & LOG_MSG_ATTR_HWTYPE)
199 nl_dump(p,
"HWTYPE=%u ", msg->log_msg_hwtype);
201 if (msg->ce_mask & LOG_MSG_ATTR_HWLEN)
202 nl_dump(p,
"HWLEN=%u ", msg->log_msg_hwlen);
204 if (msg->ce_mask & LOG_MSG_ATTR_HWHEADER) {
208 for (i = 0; i < msg->log_msg_hwheader_len; i++)
209 nl_dump(p,
"%c%02x", i?
':':
'=', ((uint8_t*) msg->log_msg_hwheader) [i]);
213 if (msg->ce_mask & LOG_MSG_ATTR_VLAN_TAG)
214 nl_dump(p,
"VLAN=%d CFI=%d PRIO=%d",
215 (
int) nfnl_log_msg_get_vlan_id(msg),
216 (
int) nfnl_log_msg_get_vlan_cfi(msg),
217 (
int) nfnl_log_msg_get_vlan_prio(msg));
219 if (msg->ce_mask & LOG_MSG_ATTR_CT_INFO)
220 nl_dump(p,
"CTINFO=%u ", msg->log_msg_ct_info);
224 if (msg->ce_mask & LOG_MSG_ATTR_CT)
225 ct_obj_ops.oo_dump[
NL_DUMP_LINE]((
struct nl_object *)msg->log_msg_ct, p);
228 nl_cache_put(link_cache);
258void nfnl_log_msg_set_family(
struct nfnl_log_msg *msg, uint8_t family)
260 msg->log_msg_family = family;
261 msg->ce_mask |= LOG_MSG_ATTR_FAMILY;
264uint8_t nfnl_log_msg_get_family(
const struct nfnl_log_msg *msg)
266 if (msg->ce_mask & LOG_MSG_ATTR_FAMILY)
267 return msg->log_msg_family;
272void nfnl_log_msg_set_hwproto(
struct nfnl_log_msg *msg, uint16_t hwproto)
274 msg->log_msg_hwproto = hwproto;
275 msg->ce_mask |= LOG_MSG_ATTR_HWPROTO;
278int nfnl_log_msg_test_hwproto(
const struct nfnl_log_msg *msg)
280 return !!(msg->ce_mask & LOG_MSG_ATTR_HWPROTO);
283uint16_t nfnl_log_msg_get_hwproto(
const struct nfnl_log_msg *msg)
285 return msg->log_msg_hwproto;
288void nfnl_log_msg_set_hook(
struct nfnl_log_msg *msg, uint8_t hook)
290 msg->log_msg_hook = hook;
291 msg->ce_mask |= LOG_MSG_ATTR_HOOK;
294int nfnl_log_msg_test_hook(
const struct nfnl_log_msg *msg)
296 return !!(msg->ce_mask & LOG_MSG_ATTR_HOOK);
299uint8_t nfnl_log_msg_get_hook(
const struct nfnl_log_msg *msg)
301 return msg->log_msg_hook;
304void nfnl_log_msg_set_mark(
struct nfnl_log_msg *msg, uint32_t mark)
306 msg->log_msg_mark = mark;
307 msg->ce_mask |= LOG_MSG_ATTR_MARK;
310int nfnl_log_msg_test_mark(
const struct nfnl_log_msg *msg)
312 return !!(msg->ce_mask & LOG_MSG_ATTR_MARK);
315uint32_t nfnl_log_msg_get_mark(
const struct nfnl_log_msg *msg)
317 return msg->log_msg_mark;
320void nfnl_log_msg_set_timestamp(
struct nfnl_log_msg *msg,
struct timeval *tv)
322 msg->log_msg_timestamp.tv_sec = tv->tv_sec;
323 msg->log_msg_timestamp.tv_usec = tv->tv_usec;
324 msg->ce_mask |= LOG_MSG_ATTR_TIMESTAMP;
327const struct timeval *nfnl_log_msg_get_timestamp(
const struct nfnl_log_msg *msg)
329 if (!(msg->ce_mask & LOG_MSG_ATTR_TIMESTAMP))
331 return &msg->log_msg_timestamp;
334void nfnl_log_msg_set_indev(
struct nfnl_log_msg *msg, uint32_t indev)
336 msg->log_msg_indev = indev;
337 msg->ce_mask |= LOG_MSG_ATTR_INDEV;
340uint32_t nfnl_log_msg_get_indev(
const struct nfnl_log_msg *msg)
342 return msg->log_msg_indev;
345void nfnl_log_msg_set_outdev(
struct nfnl_log_msg *msg, uint32_t outdev)
347 msg->log_msg_outdev = outdev;
348 msg->ce_mask |= LOG_MSG_ATTR_OUTDEV;
351uint32_t nfnl_log_msg_get_outdev(
const struct nfnl_log_msg *msg)
353 return msg->log_msg_outdev;
356void nfnl_log_msg_set_physindev(
struct nfnl_log_msg *msg, uint32_t physindev)
358 msg->log_msg_physindev = physindev;
359 msg->ce_mask |= LOG_MSG_ATTR_PHYSINDEV;
362uint32_t nfnl_log_msg_get_physindev(
const struct nfnl_log_msg *msg)
364 return msg->log_msg_physindev;
367void nfnl_log_msg_set_physoutdev(
struct nfnl_log_msg *msg, uint32_t physoutdev)
369 msg->log_msg_physoutdev = physoutdev;
370 msg->ce_mask |= LOG_MSG_ATTR_PHYSOUTDEV;
373uint32_t nfnl_log_msg_get_physoutdev(
const struct nfnl_log_msg *msg)
375 return msg->log_msg_physoutdev;
378void nfnl_log_msg_set_hwaddr(
struct nfnl_log_msg *msg, uint8_t *hwaddr,
int len)
382 else if (((
unsigned)len) >
sizeof(msg->log_msg_hwaddr))
383 len =
sizeof(msg->log_msg_hwaddr);
384 msg->log_msg_hwaddr_len = len;
385 memcpy(msg->log_msg_hwaddr, hwaddr, len);
386 msg->ce_mask |= LOG_MSG_ATTR_HWADDR;
389const uint8_t *nfnl_log_msg_get_hwaddr(
const struct nfnl_log_msg *msg,
int *len)
391 if (!(msg->ce_mask & LOG_MSG_ATTR_HWADDR)) {
396 *len = msg->log_msg_hwaddr_len;
397 return msg->log_msg_hwaddr;
400int nfnl_log_msg_set_payload(
struct nfnl_log_msg *msg, uint8_t *payload,
int len)
407 p = _nl_memdup(payload, len);
411 free(msg->log_msg_payload);
412 msg->log_msg_payload = p;
413 msg->log_msg_payload_len = len;
415 msg->ce_mask |= LOG_MSG_ATTR_PAYLOAD;
417 msg->ce_mask &= ~LOG_MSG_ATTR_PAYLOAD;
421const void *nfnl_log_msg_get_payload(
const struct nfnl_log_msg *msg,
int *len)
423 if (!(msg->ce_mask & LOG_MSG_ATTR_PAYLOAD)) {
428 *len = msg->log_msg_payload_len;
429 return msg->log_msg_payload;
432int nfnl_log_msg_set_prefix(
struct nfnl_log_msg *msg,
void *prefix)
442 free(msg->log_msg_prefix);
443 msg->log_msg_prefix = p;
446 msg->ce_mask |= LOG_MSG_ATTR_PREFIX;
448 msg->ce_mask &= ~LOG_MSG_ATTR_PREFIX;
452const char *nfnl_log_msg_get_prefix(
const struct nfnl_log_msg *msg)
454 return msg->log_msg_prefix;
457void nfnl_log_msg_set_uid(
struct nfnl_log_msg *msg, uint32_t uid)
459 msg->log_msg_uid = uid;
460 msg->ce_mask |= LOG_MSG_ATTR_UID;
463int nfnl_log_msg_test_uid(
const struct nfnl_log_msg *msg)
465 return !!(msg->ce_mask & LOG_MSG_ATTR_UID);
468uint32_t nfnl_log_msg_get_uid(
const struct nfnl_log_msg *msg)
470 return msg->log_msg_uid;
473void nfnl_log_msg_set_gid(
struct nfnl_log_msg *msg, uint32_t gid)
475 msg->log_msg_gid = gid;
476 msg->ce_mask |= LOG_MSG_ATTR_GID;
479int nfnl_log_msg_test_gid(
const struct nfnl_log_msg *msg)
481 return !!(msg->ce_mask & LOG_MSG_ATTR_GID);
484uint32_t nfnl_log_msg_get_gid(
const struct nfnl_log_msg *msg)
486 return msg->log_msg_gid;
490void nfnl_log_msg_set_seq(
struct nfnl_log_msg *msg, uint32_t seq)
492 msg->log_msg_seq = seq;
493 msg->ce_mask |= LOG_MSG_ATTR_SEQ;
496int nfnl_log_msg_test_seq(
const struct nfnl_log_msg *msg)
498 return !!(msg->ce_mask & LOG_MSG_ATTR_SEQ);
501uint32_t nfnl_log_msg_get_seq(
const struct nfnl_log_msg *msg)
503 return msg->log_msg_seq;
506void nfnl_log_msg_set_seq_global(
struct nfnl_log_msg *msg, uint32_t seq_global)
508 msg->log_msg_seq_global = seq_global;
509 msg->ce_mask |= LOG_MSG_ATTR_SEQ_GLOBAL;
512int nfnl_log_msg_test_seq_global(
const struct nfnl_log_msg *msg)
514 return !!(msg->ce_mask & LOG_MSG_ATTR_SEQ_GLOBAL);
517uint32_t nfnl_log_msg_get_seq_global(
const struct nfnl_log_msg *msg)
519 return msg->log_msg_seq_global;
522void nfnl_log_msg_set_hwtype(
struct nfnl_log_msg *msg, uint16_t hwtype)
524 msg->log_msg_hwtype = hwtype;
525 msg->ce_mask |= LOG_MSG_ATTR_HWTYPE;
528int nfnl_log_msg_test_hwtype(
const struct nfnl_log_msg *msg)
530 return !!(msg->ce_mask & LOG_MSG_ATTR_HWTYPE);
533uint16_t nfnl_log_msg_get_hwtype(
const struct nfnl_log_msg *msg)
535 return msg->log_msg_hwtype;
538void nfnl_log_msg_set_hwlen(
struct nfnl_log_msg *msg, uint16_t hwlen)
540 msg->log_msg_hwlen = hwlen;
541 msg->ce_mask |= LOG_MSG_ATTR_HWLEN;
544int nfnl_log_msg_test_hwlen(
const struct nfnl_log_msg *msg)
546 return !!(msg->ce_mask & LOG_MSG_ATTR_HWLEN);
549uint16_t nfnl_log_msg_get_hwlen(
const struct nfnl_log_msg *msg)
551 return msg->log_msg_hwlen;
554int nfnl_log_msg_set_hwheader(
struct nfnl_log_msg *msg,
void *data,
int len)
561 p = _nl_memdup(data, len);
565 free(msg->log_msg_hwheader);
566 msg->log_msg_hwheader = p;
567 msg->log_msg_hwheader_len = len;
569 msg->ce_mask |= LOG_MSG_ATTR_HWHEADER;
571 msg->ce_mask &= ~LOG_MSG_ATTR_HWHEADER;
575int nfnl_log_msg_test_hwheader(
const struct nfnl_log_msg *msg)
577 return !!(msg->ce_mask & LOG_MSG_ATTR_HWHEADER);
580const void *nfnl_log_msg_get_hwheader(
const struct nfnl_log_msg *msg,
int *len)
582 if (!(msg->ce_mask & LOG_MSG_ATTR_HWHEADER)) {
587 *len = msg->log_msg_hwheader_len;
588 return msg->log_msg_hwheader;
591void nfnl_log_msg_set_vlan_proto(
struct nfnl_log_msg *msg, uint16_t vlan_proto)
593 msg->log_msg_vlan_proto = vlan_proto;
594 msg->ce_mask |= LOG_MSG_ATTR_VLAN_PROTO;
597int nfnl_log_msg_test_vlan_proto(
const struct nfnl_log_msg *msg)
599 return !!(msg->ce_mask & LOG_MSG_ATTR_VLAN_PROTO);
602uint16_t nfnl_log_msg_get_vlan_proto(
const struct nfnl_log_msg *msg)
604 return msg->log_msg_vlan_proto;
607void nfnl_log_msg_set_vlan_tag(
struct nfnl_log_msg *msg, uint16_t vlan_tag)
609 msg->log_msg_vlan_tag = vlan_tag;
610 msg->ce_mask |= LOG_MSG_ATTR_VLAN_TAG;
613int nfnl_log_msg_test_vlan_tag(
const struct nfnl_log_msg *msg)
615 return !!(msg->ce_mask & LOG_MSG_ATTR_VLAN_TAG);
618uint16_t nfnl_log_msg_get_vlan_tag(
const struct nfnl_log_msg *msg)
620 return msg->log_msg_vlan_tag;
623uint16_t nfnl_log_msg_get_vlan_id(
const struct nfnl_log_msg *msg)
625 return msg->log_msg_vlan_tag & 0x0fff;
628uint16_t nfnl_log_msg_get_vlan_cfi(
const struct nfnl_log_msg *msg)
630 return !!(msg->log_msg_vlan_tag & 0x1000);
633uint16_t nfnl_log_msg_get_vlan_prio(
const struct nfnl_log_msg *msg)
635 return (msg->log_msg_vlan_tag & 0xe000 ) >> 13;
638void nfnl_log_msg_set_ct_info(
struct nfnl_log_msg *msg, uint32_t ct_info)
640 msg->log_msg_ct_info = ct_info;
641 msg->ce_mask |= LOG_MSG_ATTR_CT_INFO;
644int nfnl_log_msg_test_ct_info(
const struct nfnl_log_msg *msg)
646 return !!(msg->ce_mask & LOG_MSG_ATTR_CT_INFO);
649uint32_t nfnl_log_msg_get_ct_info(
const struct nfnl_log_msg *msg)
651 return msg->log_msg_ct_info;
657 msg->ce_mask |= LOG_MSG_ATTR_CT;
662 return !!(msg->ce_mask & LOG_MSG_ATTR_CT);
667 return msg->log_msg_ct;
672struct nl_object_ops log_msg_obj_ops = {
673 .oo_name =
"netfilter/log_msg",
675 .oo_free_data = log_msg_free_data,
676 .oo_clone = log_msg_clone,
struct nl_cache * nl_cache_mngt_require_safe(const char *name)
Return cache previously provided via nl_cache_mngt_provide()
char * rtnl_link_i2name(struct nl_cache *cache, int ifindex, char *dst, size_t len)
Translate interface index to corresponding link name.
struct nl_object * nl_object_clone(struct nl_object *obj)
Allocate a new object and copy all data from an existing object.
void nl_object_put(struct nl_object *obj)
Release a reference from an object.
void nl_object_get(struct nl_object *obj)
Acquire a reference on a object.
struct nl_object * nl_object_alloc(struct nl_object_ops *ops)
Allocate a new object of kind specified by the operations handle.
void nl_dump(struct nl_dump_params *params, const char *fmt,...)
Dump a formatted character string.
void nl_new_line(struct nl_dump_params *params)
Handle a new line while dumping.
@ NL_DUMP_STATS
Dump all attributes including statistics.
@ NL_DUMP_LINE
Dump object briefly on one line.
@ NL_DUMP_DETAILS
Dump all attributes but no statistics.