#include "defs.h"
#include "netlink.h"
-#include "nlattr.h"
-
-#include <arpa/inet.h>
-#include <linux/inet_diag.h>
-#include <linux/netlink_diag.h>
-#include <linux/packet_diag.h>
-#ifdef AF_SMC
-# include <linux/smc_diag.h>
-#endif
-#include <linux/unix_diag.h>
-
-#include "xlat/inet_diag_extended_flags.h"
-
-#include "xlat/tcp_states.h"
-#include "xlat/tcp_state_flags.h"
-
-#include "xlat/netlink_diag_show.h"
-#include "xlat/netlink_states.h"
-
-#include "xlat/packet_diag_show.h"
-
-#ifdef AF_SMC
-# include "xlat/smc_diag_extended_flags.h"
-# include "xlat/smc_states.h"
-#endif
-
-#include "xlat/unix_diag_attrs.h"
-#include "xlat/unix_diag_show.h"
-
-#define PRINT_FIELD_U(prefix_, where_, field_) \
- tprintf("%s%s=%llu", (prefix_), #field_, \
- zero_extend_signed_to_ull((where_).field_))
-
-#define PRINT_FIELD_COOKIE(prefix_, where_, field_) \
- tprintf("%s%s=[%llu, %llu]", (prefix_), #field_, \
- zero_extend_signed_to_ull((where_).field_[0]), \
- zero_extend_signed_to_ull((where_).field_[1]))
-
-#define PRINT_FIELD_FLAGS(prefix_, where_, field_, xlat_, dflt_) \
- do { \
- tprintf("%s%s=", (prefix_), #field_); \
- printflags((xlat_), (where_).field_, (dflt_)); \
- } while (0)
-
-#define PRINT_FIELD_XVAL(prefix_, where_, field_, xlat_, dflt_) \
- do { \
- tprintf("%s%s=", (prefix_), #field_); \
- printxval((xlat_), (where_).field_, (dflt_)); \
- } while (0)
+#include "netlink_sock_diag.h"
static void
decode_family(struct tcb *const tcp, const uint8_t family,
- const kernel_ulong_t addr, const kernel_ulong_t len)
+ const kernel_ulong_t addr, const unsigned int len)
{
tprints("{family=");
printxval(addrfams, family, "AF_???");
if (len > sizeof(family)) {
tprints(", ");
- printstrn(tcp, addr + sizeof(family),
- len - sizeof(family));
+ printstr_ex(tcp, addr + sizeof(family),
+ len - sizeof(family), QUOTE_FORCE_HEX);
}
tprints("}");
}
-static void
-decode_unix_diag_req(struct tcb *const tcp,
- const struct nlmsghdr *const nlmsghdr,
- const uint8_t family,
- const kernel_ulong_t addr,
- const kernel_ulong_t len)
-{
- struct unix_diag_req req = { .sdiag_family = family };
- const size_t offset = sizeof(req.sdiag_family);
-
- PRINT_FIELD_XVAL("{", req, sdiag_family, addrfams, "AF_???");
- tprints(", ");
- if (len >= sizeof(req)) {
- if (!umoven_or_printaddr(tcp, addr + offset,
- sizeof(req) - offset,
- (void *) &req + offset)) {
- PRINT_FIELD_U("", req, sdiag_protocol);
- PRINT_FIELD_FLAGS(", ", req, udiag_states,
- tcp_state_flags, "1<<TCP_???");
- PRINT_FIELD_U(", ", req, udiag_ino);
- PRINT_FIELD_FLAGS(", ", req, udiag_show,
- unix_diag_show, "UDIAG_SHOW_???");
- PRINT_FIELD_COOKIE(", ", req, udiag_cookie);
- }
- } else
- tprints("...");
- tprints("}");
-}
-
-static void
-decode_unix_diag_msg(struct tcb *const tcp,
- const struct nlmsghdr *const nlmsghdr,
- const uint8_t family,
- const kernel_ulong_t addr,
- const kernel_ulong_t len)
-{
- struct unix_diag_msg msg = { .udiag_family = family };
- size_t offset = sizeof(msg.udiag_family);
- bool decode_nla = false;
-
- PRINT_FIELD_XVAL("{", msg, udiag_family, addrfams, "AF_???");
- tprints(", ");
- if (len >= sizeof(msg)) {
- if (!umoven_or_printaddr(tcp, addr + offset,
- sizeof(msg) - offset,
- (void *) &msg + offset)) {
- PRINT_FIELD_XVAL("", msg, udiag_type,
- socktypes, "SOCK_???");
- PRINT_FIELD_XVAL(", ", msg, udiag_state,
- tcp_states, "TCP_???");
- PRINT_FIELD_U(", ", msg, udiag_ino);
- PRINT_FIELD_COOKIE(", ", msg, udiag_cookie);
- decode_nla = true;
- }
- } else
- tprints("...");
- tprints("}");
-
- offset = NLMSG_ALIGN(sizeof(msg));
- if (decode_nla && len > offset) {
- tprints(", ");
- decode_nlattr(tcp, addr + offset, len - offset,
- unix_diag_attrs, "UNIX_DIAG_???");
- }
-}
-
-static void
-decode_netlink_diag_req(struct tcb *const tcp,
- const struct nlmsghdr *const nlmsghdr,
- const uint8_t family,
- const kernel_ulong_t addr,
- const kernel_ulong_t len)
-{
- struct netlink_diag_req req = { .sdiag_family = family };
- const size_t offset = sizeof(req.sdiag_family);
-
- PRINT_FIELD_XVAL("{", req, sdiag_family, addrfams, "AF_???");
- tprints(", ");
- if (len >= sizeof(req)) {
- if (!umoven_or_printaddr(tcp, addr + offset,
- sizeof(req) - offset,
- (void *) &req + offset)) {
- if (NDIAG_PROTO_ALL == req.sdiag_protocol)
- tprintf("%s=%s",
- "sdiag_protocol", "NDIAG_PROTO_ALL");
- else
- PRINT_FIELD_XVAL("", req, sdiag_protocol,
- netlink_protocols,
- "NETLINK_???");
- PRINT_FIELD_U(", ", req, ndiag_ino);
- PRINT_FIELD_FLAGS(", ", req, ndiag_show,
- netlink_diag_show, "NDIAG_SHOW_???");
- PRINT_FIELD_COOKIE(", ", req, ndiag_cookie);
- }
- } else
- tprints("...");
- tprints("}");
-}
-
-static void
-decode_netlink_diag_msg(struct tcb *const tcp,
- const struct nlmsghdr *const nlmsghdr,
- const uint8_t family,
- const kernel_ulong_t addr,
- const kernel_ulong_t len)
-{
- struct netlink_diag_msg msg = { .ndiag_family = family };
- const size_t offset = sizeof(msg.ndiag_family);
-
- PRINT_FIELD_XVAL("{", msg, ndiag_family, addrfams, "AF_???");
- tprints(", ");
- if (len >= sizeof(msg)) {
- if (!umoven_or_printaddr(tcp, addr + offset,
- sizeof(msg) - offset,
- (void *) &msg + offset)) {
- PRINT_FIELD_XVAL("", msg, ndiag_type,
- socktypes, "SOCK_???");
- PRINT_FIELD_XVAL(", ", msg, ndiag_protocol,
- netlink_protocols, "NETLINK_???");
- PRINT_FIELD_XVAL(", ", msg, ndiag_state,
- netlink_states, "NETLINK_???");
- PRINT_FIELD_U(", ", msg, ndiag_portid);
- PRINT_FIELD_U(", ", msg, ndiag_dst_portid);
- PRINT_FIELD_U(", ", msg, ndiag_dst_group);
- PRINT_FIELD_U(", ", msg, ndiag_ino);
- PRINT_FIELD_COOKIE(", ", msg, ndiag_cookie);
- }
- } else
- tprints("...");
- tprints("}");
-}
-
-static void
-decode_packet_diag_req(struct tcb *const tcp,
- const struct nlmsghdr *const nlmsghdr,
- const uint8_t family,
- const kernel_ulong_t addr,
- const kernel_ulong_t len)
-{
- struct packet_diag_req req = { .sdiag_family = family };
- const size_t offset = sizeof(req.sdiag_family);
-
- PRINT_FIELD_XVAL("{", req, sdiag_family, addrfams, "AF_???");
- tprints(", ");
- if (len >= sizeof(req)) {
- if (!umoven_or_printaddr(tcp, addr + offset,
- sizeof(req) - offset,
- (void *) &req + offset)) {
- PRINT_FIELD_XVAL("", req, sdiag_protocol,
- ethernet_protocols, "ETH_P_???");
- PRINT_FIELD_U(", ", req, pdiag_ino);
- PRINT_FIELD_FLAGS(", ", req, pdiag_show,
- packet_diag_show, "PACKET_SHOW_???");
- PRINT_FIELD_COOKIE(", ", req, pdiag_cookie);
- }
- } else
- tprints("...");
- tprints("}");
-}
-
-static void
-decode_packet_diag_msg(struct tcb *const tcp,
- const struct nlmsghdr *const nlmsghdr,
- const uint8_t family,
- const kernel_ulong_t addr,
- const kernel_ulong_t len)
-{
- struct packet_diag_msg msg = { .pdiag_family = family };
- const size_t offset = sizeof(msg.pdiag_family);
-
- PRINT_FIELD_XVAL("{", msg, pdiag_family, addrfams, "AF_???");
- tprints(", ");
- if (len >= sizeof(msg)) {
- if (!umoven_or_printaddr(tcp, addr + offset,
- sizeof(msg) - offset,
- (void *) &msg + offset)) {
- PRINT_FIELD_XVAL("", msg, pdiag_type,
- socktypes, "SOCK_???");
- PRINT_FIELD_U(", ", msg, pdiag_num);
- PRINT_FIELD_U(", ", msg, pdiag_ino);
- PRINT_FIELD_COOKIE(", ", msg, pdiag_cookie);
- }
- } else
- tprints("...");
- tprints("}");
-}
-
-static void
-print_inet_diag_sockid(const struct inet_diag_sockid *id, const uint8_t family)
-{
- tprintf("{idiag_sport=htons(%u), idiag_dport=htons(%u)",
- ntohs(id->idiag_sport), ntohs(id->idiag_dport));
-
- tprints(", ");
- print_inet_addr(family, id->idiag_src,
- sizeof(id->idiag_src), "idiag_src");
- tprints(", ");
- print_inet_addr(family, id->idiag_dst,
- sizeof(id->idiag_dst), "idiag_dst");
-
- PRINT_FIELD_U(", ", *id, idiag_if);
- PRINT_FIELD_COOKIE(", ", *id, idiag_cookie);
-
- tprints("}");
-}
-
-static void
-decode_inet_diag_req_compat(struct tcb *const tcp,
- const struct nlmsghdr *const nlmsghdr,
- const uint8_t family,
- const kernel_ulong_t addr,
- const kernel_ulong_t len)
-{
- struct inet_diag_req req = { .idiag_family = family };
- const size_t offset = sizeof(req.idiag_family);
-
- PRINT_FIELD_XVAL("{", req, idiag_family, addrfams, "AF_???");
- tprints(", ");
- if (len >= sizeof(req)) {
- if (!umoven_or_printaddr(tcp, addr + offset,
- sizeof(req) - offset,
- (void *) &req + offset)) {
- PRINT_FIELD_U("", req, idiag_src_len);
- PRINT_FIELD_U(", ", req, idiag_dst_len);
- PRINT_FIELD_FLAGS(", ", req, idiag_ext,
- inet_diag_extended_flags,
- "1<<INET_DIAG_\?\?\?-1");
- tprints(", id=");
- print_inet_diag_sockid(&req.id, req.idiag_family);
- PRINT_FIELD_FLAGS(", ", req, idiag_states,
- tcp_state_flags, "1<<TCP_???");
- PRINT_FIELD_U(", ", req, idiag_dbs);
- }
- } else
- tprints("...");
- tprints("}");
-}
-
-static void
-decode_inet_diag_req_v2(struct tcb *const tcp,
- const struct nlmsghdr *const nlmsghdr,
- const uint8_t family,
- const kernel_ulong_t addr,
- const kernel_ulong_t len)
-{
- struct inet_diag_req_v2 req = { .sdiag_family = family };
- const size_t offset = sizeof(req.sdiag_family);
-
- PRINT_FIELD_XVAL("{", req, sdiag_family, addrfams, "AF_???");
- tprints(", ");
- if (len >= sizeof(req)) {
- if (!umoven_or_printaddr(tcp, addr + offset,
- sizeof(req) - offset,
- (void *) &req + offset)) {
- PRINT_FIELD_XVAL("", req, sdiag_protocol,
- inet_protocols, "IPPROTO_???");
- PRINT_FIELD_FLAGS(", ", req, idiag_ext,
- inet_diag_extended_flags,
- "1<<INET_DIAG_\?\?\?-1");
- PRINT_FIELD_FLAGS(", ", req, idiag_states,
- tcp_state_flags, "1<<TCP_???");
- tprints(", id=");
- print_inet_diag_sockid(&req.id, req.sdiag_family);
- }
- } else
- tprints("...");
- tprints("}");
-}
-
-static void
-decode_inet_diag_req(struct tcb *const tcp,
- const struct nlmsghdr *const nlmsghdr,
- const uint8_t family,
- const kernel_ulong_t addr,
- const kernel_ulong_t len)
-{
- if (nlmsghdr->nlmsg_type == TCPDIAG_GETSOCK
- || nlmsghdr->nlmsg_type == DCCPDIAG_GETSOCK)
- return decode_inet_diag_req_compat(tcp, nlmsghdr,
- family, addr, len);
- else
- return decode_inet_diag_req_v2(tcp, nlmsghdr,
- family, addr, len);
-}
-
-static void
-decode_inet_diag_msg(struct tcb *const tcp,
- const struct nlmsghdr *const nlmsghdr,
- const uint8_t family,
- const kernel_ulong_t addr,
- const kernel_ulong_t len)
-{
- struct inet_diag_msg msg = { .idiag_family = family };
- const size_t offset = sizeof(msg.idiag_family);
-
- PRINT_FIELD_XVAL("{", msg, idiag_family, addrfams, "AF_???");
- tprints(", ");
- if (len >= sizeof(msg)) {
- if (!umoven_or_printaddr(tcp, addr + offset,
- sizeof(msg) - offset,
- (void *) &msg + offset)) {
- PRINT_FIELD_XVAL("", msg, idiag_state,
- tcp_states, "TCP_???");
- PRINT_FIELD_U(", ", msg, idiag_timer);
- PRINT_FIELD_U(", ", msg, idiag_retrans);
- tprints(", id=");
- print_inet_diag_sockid(&msg.id, msg.idiag_family);
- PRINT_FIELD_U(", ", msg, idiag_expires);
- PRINT_FIELD_U(", ", msg, idiag_rqueue);
- PRINT_FIELD_U(", ", msg, idiag_wqueue);
- PRINT_FIELD_U(", ", msg, idiag_uid);
- PRINT_FIELD_U(", ", msg, idiag_inode);
- }
- } else
- tprints("...");
- tprints("}");
-}
-
-#ifdef AF_SMC
-static void
-decode_smc_diag_req(struct tcb *const tcp,
- const struct nlmsghdr *const nlmsghdr,
- const uint8_t family,
- const kernel_ulong_t addr,
- const kernel_ulong_t len)
-{
- struct smc_diag_req req = { .diag_family = family };
- const size_t offset = sizeof(req.diag_family);
-
- PRINT_FIELD_XVAL("{", req, diag_family, addrfams, "AF_???");
- tprints(", ");
- if (len >= sizeof(req)) {
- if (!umoven_or_printaddr(tcp, addr + offset,
- sizeof(req) - offset,
- (void *) &req + offset)) {
- PRINT_FIELD_FLAGS("", req, diag_ext,
- smc_diag_extended_flags,
- "1<<SMC_DIAG_\?\?\?-1");
- tprints(", id=");
- /*
- * AF_SMC protocol family socket handler
- * keeping the AF_INET sock address.
- */
- print_inet_diag_sockid(&req.id, AF_INET);
- }
- } else
- tprints("...");
- tprints("}");
-}
-
-static void
-decode_smc_diag_msg(struct tcb *const tcp,
- const struct nlmsghdr *const nlmsghdr,
- const uint8_t family,
- const kernel_ulong_t addr,
- const kernel_ulong_t len)
-{
- struct smc_diag_msg msg = { .diag_family = family };
- const size_t offset = sizeof(msg.diag_family);
-
- PRINT_FIELD_XVAL("{", msg, diag_family, addrfams, "AF_???");
- tprints(", ");
- if (len >= sizeof(msg)) {
- if (!umoven_or_printaddr(tcp, addr + offset,
- sizeof(msg) - offset,
- (void *) &msg + offset)) {
- PRINT_FIELD_XVAL("", msg, diag_state,
- smc_states, "SMC_???");
- PRINT_FIELD_U(", ", msg, diag_fallback);
- PRINT_FIELD_U(", ", msg, diag_shutdown);
- tprints(", id=");
- /*
- * AF_SMC protocol family socket handler
- * keeping the AF_INET sock address.
- */
- print_inet_diag_sockid(&msg.id, AF_INET);
- PRINT_FIELD_U(", ", msg, diag_uid);
- PRINT_FIELD_U(", ", msg, diag_inode);
- }
- } else
- tprints("...");
- tprints("}");
-
-}
-#endif
-
-typedef void (*netlink_diag_decoder_t)(struct tcb *,
- const struct nlmsghdr *,
- uint8_t family,
- kernel_ulong_t addr,
- kernel_ulong_t len);
+typedef DECL_NETLINK_DIAG_DECODER((*netlink_diag_decoder_t));
static const struct {
const netlink_diag_decoder_t request, response;
decode_netlink_sock_diag(struct tcb *const tcp,
const struct nlmsghdr *const nlmsghdr,
const kernel_ulong_t addr,
- const kernel_ulong_t len)
+ const unsigned int len)
{
uint8_t family;
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