#include <linux/rtnetlink.h>
#include <linux/xfrm.h>
#include "xlat/netlink_ack_flags.h"
+#include "xlat/netlink_delete_flags.h"
#include "xlat/netlink_flags.h"
#include "xlat/netlink_get_flags.h"
#include "xlat/netlink_new_flags.h"
#include "xlat/netlink_protocols.h"
#include "xlat/netlink_types.h"
+#include "xlat/nf_acct_msg_types.h"
+#include "xlat/nf_cthelper_msg_types.h"
+#include "xlat/nf_ctnetlink_exp_msg_types.h"
+#include "xlat/nf_ctnetlink_msg_types.h"
+#include "xlat/nf_cttimeout_msg_types.h"
+#include "xlat/nf_ipset_msg_types.h"
+#include "xlat/nf_nft_compat_msg_types.h"
+#include "xlat/nf_nftables_msg_types.h"
+#include "xlat/nf_osf_msg_types.h"
+#include "xlat/nf_queue_msg_types.h"
+#include "xlat/nf_ulog_msg_types.h"
#include "xlat/nl_audit_types.h"
#include "xlat/nl_crypto_types.h"
#include "xlat/nl_netfilter_msg_types.h"
printxval(genl_families_xlat(), type, dflt);
}
+static const struct {
+ const struct xlat *const xlat;
+ const char *const dflt;
+} nf_nlmsg_types[] = {
+ [NFNL_SUBSYS_CTNETLINK] = {
+ nf_ctnetlink_msg_types,
+ "IPCTNL_MSG_CT_???"
+ },
+ [NFNL_SUBSYS_CTNETLINK_EXP] = {
+ nf_ctnetlink_exp_msg_types,
+ "IPCTNL_MSG_EXP_???"
+ },
+ [NFNL_SUBSYS_QUEUE] = { nf_queue_msg_types, "NFQNL_MSG_???" },
+ [NFNL_SUBSYS_ULOG] = { nf_ulog_msg_types, "NFULNL_MSG_???" },
+ [NFNL_SUBSYS_OSF] = { nf_osf_msg_types, "OSF_MSG_???" },
+ [NFNL_SUBSYS_IPSET] = { nf_ipset_msg_types, "IPSET_CMD_???" },
+ [NFNL_SUBSYS_ACCT] = { nf_acct_msg_types, "NFNL_MSG_ACCT_???" },
+ [NFNL_SUBSYS_CTNETLINK_TIMEOUT] = {
+ nf_cttimeout_msg_types,
+ "IPCTNL_MSG_TIMEOUT_???"
+ },
+ [NFNL_SUBSYS_CTHELPER] = {
+ nf_cthelper_msg_types,
+ "NFNL_MSG_CTHELPER_???"
+ },
+ [NFNL_SUBSYS_NFTABLES] = { nf_nftables_msg_types, "NFT_MSG_???" },
+ [NFNL_SUBSYS_NFT_COMPAT] = {
+ nf_nft_compat_msg_types,
+ "NFNL_MSG_COMPAT_???"
+ }
+};
+
static void
decode_nlmsg_type_netfilter(const struct xlat *const xlat,
const uint16_t type,
printxval(xlat, subsys_id, dflt);
- /*
- * The type is subsystem specific,
- * print it in numeric format for now.
- */
- tprintf("<<8|%#x", msg_type);
+ tprints("<<8|");
+ if (subsys_id < ARRAY_SIZE(nf_nlmsg_types))
+ printxval(nf_nlmsg_types[subsys_id].xlat,
+ msg_type, nf_nlmsg_types[subsys_id].dflt);
+ else
+ tprintf("%#x", msg_type);
}
typedef void (*nlmsg_types_decoder_t)(const struct xlat *,
decoder(xlat, type, dflt);
}
-static void
-decode_nlmsg_flags(const uint16_t flags, const uint16_t type, const int family)
+static const struct xlat *
+decode_nlmsg_flags_crypto(const uint16_t type)
{
- const struct xlat *table = NULL;
-
- if (type < NLMSG_MIN_TYPE) {
- if (type == NLMSG_ERROR)
- table = netlink_ack_flags;
- goto end;
+ switch (type) {
+ case CRYPTO_MSG_NEWALG:
+ return netlink_new_flags;
+ case CRYPTO_MSG_DELALG:
+ case CRYPTO_MSG_DELRNG:
+ return netlink_delete_flags;
+ case CRYPTO_MSG_GETALG:
+ return netlink_get_flags;
}
- switch (family) {
- case NETLINK_CRYPTO:
- switch (type) {
- case CRYPTO_MSG_NEWALG:
- table = netlink_new_flags;
- break;
- case CRYPTO_MSG_GETALG:
- table = netlink_get_flags;
- break;
+ return NULL;
+}
+
+static const struct xlat *
+decode_nlmsg_flags_netfilter(const uint16_t type)
+{
+ const uint8_t subsys_id = (uint8_t) (type >> 8);
+ const uint8_t msg_type = (uint8_t) type;
+
+ switch (subsys_id) {
+ case NFNL_SUBSYS_CTNETLINK:
+ switch (msg_type) {
+ case IPCTNL_MSG_CT_NEW:
+ return netlink_new_flags;
+ case IPCTNL_MSG_CT_GET:
+ case IPCTNL_MSG_CT_GET_CTRZERO:
+ case IPCTNL_MSG_CT_GET_STATS_CPU:
+ case IPCTNL_MSG_CT_GET_STATS:
+ case IPCTNL_MSG_CT_GET_DYING:
+ case IPCTNL_MSG_CT_GET_UNCONFIRMED:
+ return netlink_get_flags;
+ case IPCTNL_MSG_CT_DELETE:
+ return netlink_delete_flags;
}
break;
- case NETLINK_SOCK_DIAG:
- table = netlink_get_flags;
+ case NFNL_SUBSYS_CTNETLINK_EXP:
+ switch (msg_type) {
+ case IPCTNL_MSG_EXP_NEW:
+ return netlink_new_flags;
+ case IPCTNL_MSG_EXP_GET:
+ case IPCTNL_MSG_EXP_GET_STATS_CPU:
+ return netlink_get_flags;
+ case IPCTNL_MSG_EXP_DELETE:
+ return netlink_delete_flags;
+ }
break;
- case NETLINK_ROUTE:
- if (type == RTM_DELACTION) {
- table = netlink_get_flags;
- break;
+ case NFNL_SUBSYS_ACCT:
+ switch (msg_type) {
+ case NFNL_MSG_ACCT_NEW:
+ return netlink_new_flags;
+ case NFNL_MSG_ACCT_GET:
+ case NFNL_MSG_ACCT_GET_CTRZERO:
+ return netlink_get_flags;
+ case NFNL_MSG_ACCT_DEL:
+ return netlink_delete_flags;
}
- switch (type & 3) {
- case 0:
- table = netlink_new_flags;
- break;
- case 2:
- table = netlink_get_flags;
- break;
+ break;
+ case NFNL_SUBSYS_CTNETLINK_TIMEOUT:
+ switch (msg_type) {
+ case IPCTNL_MSG_TIMEOUT_NEW:
+ return netlink_new_flags;
+ case IPCTNL_MSG_TIMEOUT_GET:
+ return netlink_get_flags;
+ case IPCTNL_MSG_TIMEOUT_DELETE:
+ return netlink_delete_flags;
}
break;
- case NETLINK_XFRM:
- switch (type) {
- case XFRM_MSG_NEWSA:
- case XFRM_MSG_NEWPOLICY:
- case XFRM_MSG_NEWAE:
- case XFRM_MSG_NEWSADINFO:
- case XFRM_MSG_NEWSPDINFO:
- table = netlink_new_flags;
- break;
-
- case XFRM_MSG_GETSA:
- case XFRM_MSG_GETPOLICY:
- case XFRM_MSG_GETAE:
- case XFRM_MSG_GETSADINFO:
- case XFRM_MSG_GETSPDINFO:
- table = netlink_get_flags;
- break;
+ case NFNL_SUBSYS_CTHELPER:
+ switch (msg_type) {
+ case NFNL_MSG_CTHELPER_NEW:
+ return netlink_new_flags;
+ case NFNL_MSG_CTHELPER_GET:
+ return netlink_get_flags;
+ case NFNL_MSG_CTHELPER_DEL:
+ return netlink_delete_flags;
}
break;
+ case NFNL_SUBSYS_NFTABLES:
+ switch (msg_type) {
+ case NFT_MSG_NEWTABLE:
+ case NFT_MSG_NEWCHAIN:
+ case NFT_MSG_NEWRULE:
+ case NFT_MSG_NEWSET:
+ case NFT_MSG_NEWSETELEM:
+ case NFT_MSG_NEWGEN:
+ case NFT_MSG_NEWOBJ:
+ return netlink_new_flags;
+ case NFT_MSG_GETTABLE:
+ case NFT_MSG_GETCHAIN:
+ case NFT_MSG_GETRULE:
+ case NFT_MSG_GETSET:
+ case NFT_MSG_GETSETELEM:
+ case NFT_MSG_GETGEN:
+ case NFT_MSG_GETOBJ:
+ case NFT_MSG_GETOBJ_RESET:
+ return netlink_get_flags;
+ case NFT_MSG_DELTABLE:
+ case NFT_MSG_DELCHAIN:
+ case NFT_MSG_DELRULE:
+ case NFT_MSG_DELSET:
+ case NFT_MSG_DELSETELEM:
+ case NFT_MSG_DELOBJ:
+ return netlink_delete_flags;
+ }
+ break;
+ case NFNL_SUBSYS_NFT_COMPAT:
+ switch (msg_type) {
+ case NFNL_MSG_COMPAT_GET:
+ return netlink_get_flags;
+ }
+ break;
+ }
+
+ return NULL;
+}
+
+static const struct xlat *
+decode_nlmsg_flags_route(const uint16_t type)
+{
+ /* RTM_DELACTION uses NLM_F_ROOT flags */
+ if (type == RTM_DELACTION)
+ return netlink_get_flags;
+ switch (type & 3) {
+ case 0:
+ return netlink_new_flags;
+ case 1:
+ return netlink_delete_flags;
+ case 2:
+ return netlink_get_flags;
+ }
+
+ return NULL;
+}
+
+static const struct xlat *
+decode_nlmsg_flags_sock_diag(const uint16_t type)
+{
+ return netlink_get_flags;
+}
+
+static const struct xlat *
+decode_nlmsg_flags_xfrm(const uint16_t type)
+{
+ switch (type) {
+ case XFRM_MSG_NEWSA:
+ case XFRM_MSG_NEWPOLICY:
+ case XFRM_MSG_NEWAE:
+ case XFRM_MSG_NEWSADINFO:
+ case XFRM_MSG_NEWSPDINFO:
+ return netlink_new_flags;
+ case XFRM_MSG_DELSA:
+ case XFRM_MSG_DELPOLICY:
+ return netlink_delete_flags;
+ case XFRM_MSG_GETSA:
+ case XFRM_MSG_GETPOLICY:
+ case XFRM_MSG_GETAE:
+ case XFRM_MSG_GETSADINFO:
+ case XFRM_MSG_GETSPDINFO:
+ return netlink_get_flags;
}
-end:
+ return NULL;
+}
+
+typedef const struct xlat *(*nlmsg_flags_decoder_t)(const uint16_t type);
+
+static const nlmsg_flags_decoder_t nlmsg_flags[] = {
+ [NETLINK_CRYPTO] = decode_nlmsg_flags_crypto,
+ [NETLINK_NETFILTER] = decode_nlmsg_flags_netfilter,
+ [NETLINK_ROUTE] = decode_nlmsg_flags_route,
+ [NETLINK_SOCK_DIAG] = decode_nlmsg_flags_sock_diag,
+ [NETLINK_XFRM] = decode_nlmsg_flags_xfrm
+};
+
+/*
+ * As all valid netlink families are positive integers, use unsigned int
+ * for family here to filter out -1.
+ */
+static void
+decode_nlmsg_flags(const uint16_t flags, const uint16_t type,
+ const unsigned int family)
+{
+ const struct xlat *table = NULL;
+
+ if (type < NLMSG_MIN_TYPE) {
+ if (type == NLMSG_ERROR)
+ table = netlink_ack_flags;
+ } else if (family < ARRAY_SIZE(nlmsg_flags) && nlmsg_flags[family])
+ table = nlmsg_flags[family](type);
+
printflags_ex(flags, "NLM_F_???", netlink_flags, table, NULL);
}
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