15 #include <netlink-private/netlink.h> 16 #include <netlink/netfilter/nfnl.h> 17 #include <netlink/netfilter/netfilter.h> 18 #include <netlink/netfilter/log_msg.h> 21 #define LOG_MSG_ATTR_FAMILY (1UL << 0) 22 #define LOG_MSG_ATTR_HWPROTO (1UL << 1) 23 #define LOG_MSG_ATTR_HOOK (1UL << 2) 24 #define LOG_MSG_ATTR_MARK (1UL << 3) 25 #define LOG_MSG_ATTR_TIMESTAMP (1UL << 4) 26 #define LOG_MSG_ATTR_INDEV (1UL << 5) 27 #define LOG_MSG_ATTR_OUTDEV (1UL << 6) 28 #define LOG_MSG_ATTR_PHYSINDEV (1UL << 7) 29 #define LOG_MSG_ATTR_PHYSOUTDEV (1UL << 8) 30 #define LOG_MSG_ATTR_HWADDR (1UL << 9) 31 #define LOG_MSG_ATTR_PAYLOAD (1UL << 10) 32 #define LOG_MSG_ATTR_PREFIX (1UL << 11) 33 #define LOG_MSG_ATTR_UID (1UL << 12) 34 #define LOG_MSG_ATTR_GID (1UL << 13) 35 #define LOG_MSG_ATTR_SEQ (1UL << 14) 36 #define LOG_MSG_ATTR_SEQ_GLOBAL (1UL << 15) 39 static void log_msg_free_data(
struct nl_object *c)
41 struct nfnl_log_msg *msg = (
struct nfnl_log_msg *) c;
46 free(msg->log_msg_payload);
47 free(msg->log_msg_prefix);
50 static int log_msg_clone(
struct nl_object *_dst,
struct nl_object *_src)
52 struct nfnl_log_msg *dst = (
struct nfnl_log_msg *) _dst;
53 struct nfnl_log_msg *src = (
struct nfnl_log_msg *) _src;
56 if (src->log_msg_payload) {
57 err = nfnl_log_msg_set_payload(dst, src->log_msg_payload,
58 src->log_msg_payload_len);
63 if (src->log_msg_prefix) {
64 err = nfnl_log_msg_set_prefix(dst, src->log_msg_prefix);
74 static void log_msg_dump(
struct nl_object *a,
struct nl_dump_params *p)
76 struct nfnl_log_msg *msg = (
struct nfnl_log_msg *) a;
77 struct nl_cache *link_cache;
84 if (msg->ce_mask & LOG_MSG_ATTR_PREFIX)
85 nl_dump(p,
"%s", msg->log_msg_prefix);
87 if (msg->ce_mask & LOG_MSG_ATTR_INDEV) {
94 nl_dump(p,
"IN=%d ", msg->log_msg_indev);
97 if (msg->ce_mask & LOG_MSG_ATTR_PHYSINDEV) {
101 msg->log_msg_physindev,
104 nl_dump(p,
"IN=%d ", msg->log_msg_physindev);
107 if (msg->ce_mask & LOG_MSG_ATTR_OUTDEV) {
114 nl_dump(p,
"OUT=%d ", msg->log_msg_outdev);
117 if (msg->ce_mask & LOG_MSG_ATTR_PHYSOUTDEV) {
121 msg->log_msg_physoutdev,
124 nl_dump(p,
"PHYSOUT=%d ", msg->log_msg_physoutdev);
127 if (msg->ce_mask & LOG_MSG_ATTR_HWADDR) {
131 for (i = 0; i < msg->log_msg_hwaddr_len; i++)
132 nl_dump(p,
"%c%02x", i?
':':
'=', msg->log_msg_hwaddr[i]);
138 if (msg->ce_mask & LOG_MSG_ATTR_FAMILY)
140 nl_af2str(msg->log_msg_family, buf,
sizeof(buf)));
142 if (msg->ce_mask & LOG_MSG_ATTR_HWPROTO)
144 nl_ether_proto2str(ntohs(msg->log_msg_hwproto),
147 if (msg->ce_mask & LOG_MSG_ATTR_HOOK)
149 nfnl_inet_hook2str(msg->log_msg_hook,
152 if (msg->ce_mask & LOG_MSG_ATTR_MARK)
153 nl_dump(p,
"MARK=%u ", msg->log_msg_mark);
155 if (msg->ce_mask & LOG_MSG_ATTR_PAYLOAD)
156 nl_dump(p,
"PAYLOADLEN=%d ", msg->log_msg_payload_len);
158 if (msg->ce_mask & LOG_MSG_ATTR_UID)
159 nl_dump(p,
"UID=%u ", msg->log_msg_uid);
161 if (msg->ce_mask & LOG_MSG_ATTR_GID)
162 nl_dump(p,
"GID=%u ", msg->log_msg_gid);
164 if (msg->ce_mask & LOG_MSG_ATTR_SEQ)
165 nl_dump(p,
"SEQ=%d ", msg->log_msg_seq);
167 if (msg->ce_mask & LOG_MSG_ATTR_SEQ_GLOBAL)
168 nl_dump(p,
"SEQGLOBAL=%d ", msg->log_msg_seq_global);
173 nl_cache_put(link_cache);
181 struct nfnl_log_msg *nfnl_log_msg_alloc(
void)
186 void nfnl_log_msg_get(
struct nfnl_log_msg *msg)
191 void nfnl_log_msg_put(
struct nfnl_log_msg *msg)
203 void nfnl_log_msg_set_family(
struct nfnl_log_msg *msg, uint8_t family)
205 msg->log_msg_family = family;
206 msg->ce_mask |= LOG_MSG_ATTR_FAMILY;
209 uint8_t nfnl_log_msg_get_family(
const struct nfnl_log_msg *msg)
211 if (msg->ce_mask & LOG_MSG_ATTR_FAMILY)
212 return msg->log_msg_family;
217 void nfnl_log_msg_set_hwproto(
struct nfnl_log_msg *msg, uint16_t hwproto)
219 msg->log_msg_hwproto = hwproto;
220 msg->ce_mask |= LOG_MSG_ATTR_HWPROTO;
223 int nfnl_log_msg_test_hwproto(
const struct nfnl_log_msg *msg)
225 return !!(msg->ce_mask & LOG_MSG_ATTR_HWPROTO);
228 uint16_t nfnl_log_msg_get_hwproto(
const struct nfnl_log_msg *msg)
230 return msg->log_msg_hwproto;
233 void nfnl_log_msg_set_hook(
struct nfnl_log_msg *msg, uint8_t hook)
235 msg->log_msg_hook = hook;
236 msg->ce_mask |= LOG_MSG_ATTR_HOOK;
239 int nfnl_log_msg_test_hook(
const struct nfnl_log_msg *msg)
241 return !!(msg->ce_mask & LOG_MSG_ATTR_HOOK);
244 uint8_t nfnl_log_msg_get_hook(
const struct nfnl_log_msg *msg)
246 return msg->log_msg_hook;
249 void nfnl_log_msg_set_mark(
struct nfnl_log_msg *msg, uint32_t mark)
251 msg->log_msg_mark = mark;
252 msg->ce_mask |= LOG_MSG_ATTR_MARK;
255 int nfnl_log_msg_test_mark(
const struct nfnl_log_msg *msg)
257 return !!(msg->ce_mask & LOG_MSG_ATTR_MARK);
260 uint32_t nfnl_log_msg_get_mark(
const struct nfnl_log_msg *msg)
262 return msg->log_msg_mark;
265 void nfnl_log_msg_set_timestamp(
struct nfnl_log_msg *msg,
struct timeval *tv)
267 msg->log_msg_timestamp.tv_sec = tv->tv_sec;
268 msg->log_msg_timestamp.tv_usec = tv->tv_usec;
269 msg->ce_mask |= LOG_MSG_ATTR_TIMESTAMP;
272 const struct timeval *nfnl_log_msg_get_timestamp(
const struct nfnl_log_msg *msg)
274 if (!(msg->ce_mask & LOG_MSG_ATTR_TIMESTAMP))
276 return &msg->log_msg_timestamp;
279 void nfnl_log_msg_set_indev(
struct nfnl_log_msg *msg, uint32_t indev)
281 msg->log_msg_indev = indev;
282 msg->ce_mask |= LOG_MSG_ATTR_INDEV;
285 uint32_t nfnl_log_msg_get_indev(
const struct nfnl_log_msg *msg)
287 return msg->log_msg_indev;
290 void nfnl_log_msg_set_outdev(
struct nfnl_log_msg *msg, uint32_t outdev)
292 msg->log_msg_outdev = outdev;
293 msg->ce_mask |= LOG_MSG_ATTR_OUTDEV;
296 uint32_t nfnl_log_msg_get_outdev(
const struct nfnl_log_msg *msg)
298 return msg->log_msg_outdev;
301 void nfnl_log_msg_set_physindev(
struct nfnl_log_msg *msg, uint32_t physindev)
303 msg->log_msg_physindev = physindev;
304 msg->ce_mask |= LOG_MSG_ATTR_PHYSINDEV;
307 uint32_t nfnl_log_msg_get_physindev(
const struct nfnl_log_msg *msg)
309 return msg->log_msg_physindev;
312 void nfnl_log_msg_set_physoutdev(
struct nfnl_log_msg *msg, uint32_t physoutdev)
314 msg->log_msg_physoutdev = physoutdev;
315 msg->ce_mask |= LOG_MSG_ATTR_PHYSOUTDEV;
318 uint32_t nfnl_log_msg_get_physoutdev(
const struct nfnl_log_msg *msg)
320 return msg->log_msg_physoutdev;
323 void nfnl_log_msg_set_hwaddr(
struct nfnl_log_msg *msg, uint8_t *hwaddr,
int len)
325 if (len >
sizeof(msg->log_msg_hwaddr))
326 len =
sizeof(msg->log_msg_hwaddr);
327 msg->log_msg_hwaddr_len = len;
328 memcpy(msg->log_msg_hwaddr, hwaddr, len);
329 msg->ce_mask |= LOG_MSG_ATTR_HWADDR;
332 const uint8_t *nfnl_log_msg_get_hwaddr(
const struct nfnl_log_msg *msg,
int *len)
334 if (!(msg->ce_mask & LOG_MSG_ATTR_HWADDR)) {
339 *len = msg->log_msg_hwaddr_len;
340 return msg->log_msg_hwaddr;
343 int nfnl_log_msg_set_payload(
struct nfnl_log_msg *msg, uint8_t *payload,
int len)
345 free(msg->log_msg_payload);
346 msg->log_msg_payload = malloc(len);
347 if (!msg->log_msg_payload)
350 memcpy(msg->log_msg_payload, payload, len);
351 msg->log_msg_payload_len = len;
352 msg->ce_mask |= LOG_MSG_ATTR_PAYLOAD;
356 const void *nfnl_log_msg_get_payload(
const struct nfnl_log_msg *msg,
int *len)
358 if (!(msg->ce_mask & LOG_MSG_ATTR_PAYLOAD)) {
363 *len = msg->log_msg_payload_len;
364 return msg->log_msg_payload;
367 int nfnl_log_msg_set_prefix(
struct nfnl_log_msg *msg,
void *prefix)
369 free(msg->log_msg_prefix);
370 msg->log_msg_prefix = strdup(prefix);
371 if (!msg->log_msg_prefix)
374 msg->ce_mask |= LOG_MSG_ATTR_PREFIX;
378 const char *nfnl_log_msg_get_prefix(
const struct nfnl_log_msg *msg)
380 return msg->log_msg_prefix;
383 void nfnl_log_msg_set_uid(
struct nfnl_log_msg *msg, uint32_t uid)
385 msg->log_msg_uid = uid;
386 msg->ce_mask |= LOG_MSG_ATTR_UID;
389 int nfnl_log_msg_test_uid(
const struct nfnl_log_msg *msg)
391 return !!(msg->ce_mask & LOG_MSG_ATTR_UID);
394 uint32_t nfnl_log_msg_get_uid(
const struct nfnl_log_msg *msg)
396 return msg->log_msg_uid;
399 void nfnl_log_msg_set_gid(
struct nfnl_log_msg *msg, uint32_t gid)
401 msg->log_msg_gid = gid;
402 msg->ce_mask |= LOG_MSG_ATTR_GID;
405 int nfnl_log_msg_test_gid(
const struct nfnl_log_msg *msg)
407 return !!(msg->ce_mask & LOG_MSG_ATTR_GID);
410 uint32_t nfnl_log_msg_get_gid(
const struct nfnl_log_msg *msg)
412 return msg->log_msg_gid;
416 void nfnl_log_msg_set_seq(
struct nfnl_log_msg *msg, uint32_t seq)
418 msg->log_msg_seq = seq;
419 msg->ce_mask |= LOG_MSG_ATTR_SEQ;
422 int nfnl_log_msg_test_seq(
const struct nfnl_log_msg *msg)
424 return !!(msg->ce_mask & LOG_MSG_ATTR_SEQ);
427 uint32_t nfnl_log_msg_get_seq(
const struct nfnl_log_msg *msg)
429 return msg->log_msg_seq;
432 void nfnl_log_msg_set_seq_global(
struct nfnl_log_msg *msg, uint32_t seq_global)
434 msg->log_msg_seq_global = seq_global;
435 msg->ce_mask |= LOG_MSG_ATTR_SEQ_GLOBAL;
438 int nfnl_log_msg_test_seq_global(
const struct nfnl_log_msg *msg)
440 return !!(msg->ce_mask & LOG_MSG_ATTR_SEQ_GLOBAL);
443 uint32_t nfnl_log_msg_get_seq_global(
const struct nfnl_log_msg *msg)
445 return msg->log_msg_seq_global;
450 struct nl_object_ops log_msg_obj_ops = {
451 .oo_name =
"netfilter/log_msg",
452 .oo_size =
sizeof(
struct nfnl_log_msg),
453 .oo_free_data = log_msg_free_data,
454 .oo_clone = log_msg_clone,
Dump object briefly on one line.
void nl_new_line(struct nl_dump_params *params)
Handle a new line while dumping.
struct nl_object * nl_object_alloc(struct nl_object_ops *ops)
Allocate a new object of kind specified by the operations handle.
struct nl_cache * nl_cache_mngt_require_safe(const char *name)
Return cache previously provided via nl_cache_mngt_provide()
void nl_object_get(struct nl_object *obj)
Acquire a reference on a object.
Dump all attributes but no statistics.
void nl_object_put(struct nl_object *obj)
Release a reference from an object.
char * rtnl_link_i2name(struct nl_cache *cache, int ifindex, char *dst, size_t len)
Translate interface index to corresponding link name.
void nl_dump(struct nl_dump_params *params, const char *fmt,...)
Dump a formatted character string.
Dump all attributes including statistics.