14 #include <netlink-private/netlink.h> 15 #include <netlink/netfilter/nfnl.h> 16 #include <netlink/netfilter/netfilter.h> 17 #include <netlink/netfilter/log_msg.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) 38 static void log_msg_free_data(
struct nl_object *c)
40 struct nfnl_log_msg *msg = (
struct nfnl_log_msg *) c;
45 free(msg->log_msg_payload);
46 free(msg->log_msg_prefix);
49 static int log_msg_clone(
struct nl_object *_dst,
struct nl_object *_src)
51 struct nfnl_log_msg *dst = (
struct nfnl_log_msg *) _dst;
52 struct nfnl_log_msg *src = (
struct nfnl_log_msg *) _src;
55 if (src->log_msg_payload) {
56 err = nfnl_log_msg_set_payload(dst, src->log_msg_payload,
57 src->log_msg_payload_len);
62 if (src->log_msg_prefix) {
63 err = nfnl_log_msg_set_prefix(dst, src->log_msg_prefix);
73 static void log_msg_dump(
struct nl_object *a,
struct nl_dump_params *p)
75 struct nfnl_log_msg *msg = (
struct nfnl_log_msg *) a;
76 struct nl_cache *link_cache;
83 if (msg->ce_mask & LOG_MSG_ATTR_PREFIX)
84 nl_dump(p,
"%s", msg->log_msg_prefix);
86 if (msg->ce_mask & LOG_MSG_ATTR_INDEV) {
93 nl_dump(p,
"IN=%d ", msg->log_msg_indev);
96 if (msg->ce_mask & LOG_MSG_ATTR_PHYSINDEV) {
100 msg->log_msg_physindev,
103 nl_dump(p,
"IN=%d ", msg->log_msg_physindev);
106 if (msg->ce_mask & LOG_MSG_ATTR_OUTDEV) {
113 nl_dump(p,
"OUT=%d ", msg->log_msg_outdev);
116 if (msg->ce_mask & LOG_MSG_ATTR_PHYSOUTDEV) {
120 msg->log_msg_physoutdev,
123 nl_dump(p,
"PHYSOUT=%d ", msg->log_msg_physoutdev);
126 if (msg->ce_mask & LOG_MSG_ATTR_HWADDR) {
130 for (i = 0; i < msg->log_msg_hwaddr_len; i++)
131 nl_dump(p,
"%c%02x", i?
':':
'=', msg->log_msg_hwaddr[i]);
137 if (msg->ce_mask & LOG_MSG_ATTR_FAMILY)
139 nl_af2str(msg->log_msg_family, buf,
sizeof(buf)));
141 if (msg->ce_mask & LOG_MSG_ATTR_HWPROTO)
143 nl_ether_proto2str(ntohs(msg->log_msg_hwproto),
146 if (msg->ce_mask & LOG_MSG_ATTR_HOOK)
148 nfnl_inet_hook2str(msg->log_msg_hook,
151 if (msg->ce_mask & LOG_MSG_ATTR_MARK)
152 nl_dump(p,
"MARK=%u ", msg->log_msg_mark);
154 if (msg->ce_mask & LOG_MSG_ATTR_PAYLOAD)
155 nl_dump(p,
"PAYLOADLEN=%d ", msg->log_msg_payload_len);
157 if (msg->ce_mask & LOG_MSG_ATTR_UID)
158 nl_dump(p,
"UID=%u ", msg->log_msg_uid);
160 if (msg->ce_mask & LOG_MSG_ATTR_GID)
161 nl_dump(p,
"GID=%u ", msg->log_msg_gid);
163 if (msg->ce_mask & LOG_MSG_ATTR_SEQ)
164 nl_dump(p,
"SEQ=%d ", msg->log_msg_seq);
166 if (msg->ce_mask & LOG_MSG_ATTR_SEQ_GLOBAL)
167 nl_dump(p,
"SEQGLOBAL=%d ", msg->log_msg_seq_global);
172 nl_cache_put(link_cache);
180 struct nfnl_log_msg *nfnl_log_msg_alloc(
void)
185 void nfnl_log_msg_get(
struct nfnl_log_msg *msg)
190 void nfnl_log_msg_put(
struct nfnl_log_msg *msg)
202 void nfnl_log_msg_set_family(
struct nfnl_log_msg *msg, uint8_t family)
204 msg->log_msg_family = family;
205 msg->ce_mask |= LOG_MSG_ATTR_FAMILY;
208 uint8_t nfnl_log_msg_get_family(
const struct nfnl_log_msg *msg)
210 if (msg->ce_mask & LOG_MSG_ATTR_FAMILY)
211 return msg->log_msg_family;
216 void nfnl_log_msg_set_hwproto(
struct nfnl_log_msg *msg, uint16_t hwproto)
218 msg->log_msg_hwproto = hwproto;
219 msg->ce_mask |= LOG_MSG_ATTR_HWPROTO;
222 int nfnl_log_msg_test_hwproto(
const struct nfnl_log_msg *msg)
224 return !!(msg->ce_mask & LOG_MSG_ATTR_HWPROTO);
227 uint16_t nfnl_log_msg_get_hwproto(
const struct nfnl_log_msg *msg)
229 return msg->log_msg_hwproto;
232 void nfnl_log_msg_set_hook(
struct nfnl_log_msg *msg, uint8_t hook)
234 msg->log_msg_hook = hook;
235 msg->ce_mask |= LOG_MSG_ATTR_HOOK;
238 int nfnl_log_msg_test_hook(
const struct nfnl_log_msg *msg)
240 return !!(msg->ce_mask & LOG_MSG_ATTR_HOOK);
243 uint8_t nfnl_log_msg_get_hook(
const struct nfnl_log_msg *msg)
245 return msg->log_msg_hook;
248 void nfnl_log_msg_set_mark(
struct nfnl_log_msg *msg, uint32_t mark)
250 msg->log_msg_mark = mark;
251 msg->ce_mask |= LOG_MSG_ATTR_MARK;
254 int nfnl_log_msg_test_mark(
const struct nfnl_log_msg *msg)
256 return !!(msg->ce_mask & LOG_MSG_ATTR_MARK);
259 uint32_t nfnl_log_msg_get_mark(
const struct nfnl_log_msg *msg)
261 return msg->log_msg_mark;
264 void nfnl_log_msg_set_timestamp(
struct nfnl_log_msg *msg,
struct timeval *tv)
266 msg->log_msg_timestamp.tv_sec = tv->tv_sec;
267 msg->log_msg_timestamp.tv_usec = tv->tv_usec;
268 msg->ce_mask |= LOG_MSG_ATTR_TIMESTAMP;
271 const struct timeval *nfnl_log_msg_get_timestamp(
const struct nfnl_log_msg *msg)
273 if (!(msg->ce_mask & LOG_MSG_ATTR_TIMESTAMP))
275 return &msg->log_msg_timestamp;
278 void nfnl_log_msg_set_indev(
struct nfnl_log_msg *msg, uint32_t indev)
280 msg->log_msg_indev = indev;
281 msg->ce_mask |= LOG_MSG_ATTR_INDEV;
284 uint32_t nfnl_log_msg_get_indev(
const struct nfnl_log_msg *msg)
286 return msg->log_msg_indev;
289 void nfnl_log_msg_set_outdev(
struct nfnl_log_msg *msg, uint32_t outdev)
291 msg->log_msg_outdev = outdev;
292 msg->ce_mask |= LOG_MSG_ATTR_OUTDEV;
295 uint32_t nfnl_log_msg_get_outdev(
const struct nfnl_log_msg *msg)
297 return msg->log_msg_outdev;
300 void nfnl_log_msg_set_physindev(
struct nfnl_log_msg *msg, uint32_t physindev)
302 msg->log_msg_physindev = physindev;
303 msg->ce_mask |= LOG_MSG_ATTR_PHYSINDEV;
306 uint32_t nfnl_log_msg_get_physindev(
const struct nfnl_log_msg *msg)
308 return msg->log_msg_physindev;
311 void nfnl_log_msg_set_physoutdev(
struct nfnl_log_msg *msg, uint32_t physoutdev)
313 msg->log_msg_physoutdev = physoutdev;
314 msg->ce_mask |= LOG_MSG_ATTR_PHYSOUTDEV;
317 uint32_t nfnl_log_msg_get_physoutdev(
const struct nfnl_log_msg *msg)
319 return msg->log_msg_physoutdev;
322 void nfnl_log_msg_set_hwaddr(
struct nfnl_log_msg *msg, uint8_t *hwaddr,
int len)
324 if (len >
sizeof(msg->log_msg_hwaddr))
325 len =
sizeof(msg->log_msg_hwaddr);
326 msg->log_msg_hwaddr_len = len;
327 memcpy(msg->log_msg_hwaddr, hwaddr, len);
328 msg->ce_mask |= LOG_MSG_ATTR_HWADDR;
331 const uint8_t *nfnl_log_msg_get_hwaddr(
const struct nfnl_log_msg *msg,
int *len)
333 if (!(msg->ce_mask & LOG_MSG_ATTR_HWADDR)) {
338 *len = msg->log_msg_hwaddr_len;
339 return msg->log_msg_hwaddr;
342 int nfnl_log_msg_set_payload(
struct nfnl_log_msg *msg, uint8_t *payload,
int len)
344 free(msg->log_msg_payload);
345 msg->log_msg_payload = malloc(len);
346 if (!msg->log_msg_payload)
349 memcpy(msg->log_msg_payload, payload, len);
350 msg->log_msg_payload_len = len;
351 msg->ce_mask |= LOG_MSG_ATTR_PAYLOAD;
355 const void *nfnl_log_msg_get_payload(
const struct nfnl_log_msg *msg,
int *len)
357 if (!(msg->ce_mask & LOG_MSG_ATTR_PAYLOAD)) {
362 *len = msg->log_msg_payload_len;
363 return msg->log_msg_payload;
366 int nfnl_log_msg_set_prefix(
struct nfnl_log_msg *msg,
void *prefix)
368 free(msg->log_msg_prefix);
369 msg->log_msg_prefix = strdup(prefix);
370 if (!msg->log_msg_prefix)
373 msg->ce_mask |= LOG_MSG_ATTR_PREFIX;
377 const char *nfnl_log_msg_get_prefix(
const struct nfnl_log_msg *msg)
379 return msg->log_msg_prefix;
382 void nfnl_log_msg_set_uid(
struct nfnl_log_msg *msg, uint32_t uid)
384 msg->log_msg_uid = uid;
385 msg->ce_mask |= LOG_MSG_ATTR_UID;
388 int nfnl_log_msg_test_uid(
const struct nfnl_log_msg *msg)
390 return !!(msg->ce_mask & LOG_MSG_ATTR_UID);
393 uint32_t nfnl_log_msg_get_uid(
const struct nfnl_log_msg *msg)
395 return msg->log_msg_uid;
398 void nfnl_log_msg_set_gid(
struct nfnl_log_msg *msg, uint32_t gid)
400 msg->log_msg_gid = gid;
401 msg->ce_mask |= LOG_MSG_ATTR_GID;
404 int nfnl_log_msg_test_gid(
const struct nfnl_log_msg *msg)
406 return !!(msg->ce_mask & LOG_MSG_ATTR_GID);
409 uint32_t nfnl_log_msg_get_gid(
const struct nfnl_log_msg *msg)
411 return msg->log_msg_gid;
415 void nfnl_log_msg_set_seq(
struct nfnl_log_msg *msg, uint32_t seq)
417 msg->log_msg_seq = seq;
418 msg->ce_mask |= LOG_MSG_ATTR_SEQ;
421 int nfnl_log_msg_test_seq(
const struct nfnl_log_msg *msg)
423 return !!(msg->ce_mask & LOG_MSG_ATTR_SEQ);
426 uint32_t nfnl_log_msg_get_seq(
const struct nfnl_log_msg *msg)
428 return msg->log_msg_seq;
431 void nfnl_log_msg_set_seq_global(
struct nfnl_log_msg *msg, uint32_t seq_global)
433 msg->log_msg_seq_global = seq_global;
434 msg->ce_mask |= LOG_MSG_ATTR_SEQ_GLOBAL;
437 int nfnl_log_msg_test_seq_global(
const struct nfnl_log_msg *msg)
439 return !!(msg->ce_mask & LOG_MSG_ATTR_SEQ_GLOBAL);
442 uint32_t nfnl_log_msg_get_seq_global(
const struct nfnl_log_msg *msg)
444 return msg->log_msg_seq_global;
449 struct nl_object_ops log_msg_obj_ops = {
450 .oo_name =
"netfilter/log_msg",
451 .oo_size =
sizeof(
struct nfnl_log_msg),
452 .oo_free_data = log_msg_free_data,
453 .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.