#include "defs.h"
#include "netlink.h"
-#include "nlattr.h"
-#include "print_fields.h"
-
-#include <arpa/inet.h>
-#include <linux/filter.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/sock_diag.h>
-#include <linux/unix_diag.h>
-
-#include "xlat/inet_diag_attrs.h"
-#include "xlat/inet_diag_extended_flags.h"
-#include "xlat/inet_diag_req_attrs.h"
-
-#include "xlat/tcp_states.h"
-#include "xlat/tcp_state_flags.h"
-
-#include "xlat/netlink_diag_attrs.h"
-#include "xlat/netlink_diag_show.h"
-#include "xlat/netlink_socket_flags.h"
-#include "xlat/netlink_states.h"
-
-#include "xlat/packet_diag_attrs.h"
-#include "xlat/packet_diag_info_flags.h"
-#include "xlat/packet_diag_show.h"
-
-#ifdef AF_SMC
-# include "xlat/smc_diag_attrs.h"
-# 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"
+#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_???");
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 bool
-print_meminfo(struct tcb *const tcp,
- void *const elem_buf,
- const size_t elem_size,
- void *const opaque_data)
-{
- tprintf("%" PRIu32, *(uint32_t *) elem_buf);
-
- return true;
-}
-
-static bool
-decode_meminfo(struct tcb *const tcp,
- const kernel_ulong_t addr,
- const kernel_ulong_t len,
- const void *const opaque_data)
-{
- uint32_t mem;
- size_t nmemb = len / sizeof(mem);
-
- if (!nmemb)
- return false;
-
- if (nmemb > SK_MEMINFO_VARS)
- nmemb = SK_MEMINFO_VARS;
-
- print_array(tcp, addr, nmemb, &mem, sizeof(mem),
- umoven_or_printaddr, print_meminfo, 0);
-
- return true;
-}
-
-static bool
-decode_unix_diag_vfs(struct tcb *const tcp,
- const kernel_ulong_t addr,
- const kernel_ulong_t len,
- const void *const opaque_data)
-{
- struct unix_diag_vfs uv;
-
- if (len < sizeof(uv))
- return false;
- if (umove_or_printaddr(tcp, addr, &uv))
- return true;
-
- tprints("{udiag_vfs_dev=");
- print_dev_t(uv.udiag_vfs_dev);
- PRINT_FIELD_U(", ", uv, udiag_vfs_ino);
- tprints("}");
-
- return true;
-}
-
-static bool
-print_inode(struct tcb *const tcp,
- void *const elem_buf,
- const size_t elem_size,
- void *const opaque_data)
-{
- tprintf("%" PRIu32, *(uint32_t *) elem_buf);
-
- return true;
-}
-
-static bool
-decode_unix_diag_inode(struct tcb *const tcp,
- const kernel_ulong_t addr,
- const kernel_ulong_t len,
- const void *const opaque_data)
-{
- uint32_t inode;
- const size_t nmemb = len / sizeof(inode);
-
- if (!nmemb)
- return false;
-
- print_array(tcp, addr, nmemb, &inode, sizeof(inode),
- umoven_or_printaddr, print_inode, 0);
-
- return true;
-}
-
-static bool
-decode_unix_diag_rqlen(struct tcb *const tcp,
- const kernel_ulong_t addr,
- const kernel_ulong_t len,
- const void *const opaque_data)
-{
- struct unix_diag_rqlen rql;
-
- if (len < sizeof(rql))
- return false;
- if (umove_or_printaddr(tcp, addr, &rql))
- return true;
-
- PRINT_FIELD_U("{", rql, udiag_rqueue);
- PRINT_FIELD_U(", ", rql, udiag_wqueue);
- tprints("}");
-
- return true;
-}
-
-static const nla_decoder_t unix_diag_msg_nla_decoders[] = {
- [UNIX_DIAG_NAME] = decode_nla_str,
- [UNIX_DIAG_VFS] = decode_unix_diag_vfs,
- [UNIX_DIAG_PEER] = decode_nla_u32,
- [UNIX_DIAG_ICONS] = decode_unix_diag_inode,
- [UNIX_DIAG_RQLEN] = decode_unix_diag_rqlen,
- [UNIX_DIAG_MEMINFO] = decode_meminfo,
- [UNIX_DIAG_SHUTDOWN] = decode_nla_u8
-};
-
-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_???",
- unix_diag_msg_nla_decoders,
- ARRAY_SIZE(unix_diag_msg_nla_decoders), NULL);
- }
-}
-
-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 bool
-print_group(struct tcb *const tcp,
- void *const elem_buf,
- const size_t elem_size,
- void *const opaque_data)
-{
- if (elem_size < sizeof(kernel_ulong_t))
- tprintf("%#0*x", (int) elem_size * 2 + 2,
- *(unsigned int *) elem_buf);
- else
- tprintf("%#0*" PRI_klx, (int) elem_size * 2 + 2,
- *(kernel_ulong_t *) elem_buf);
-
- return true;
-}
-
-static bool
-decode_netlink_diag_groups(struct tcb *const tcp,
- const kernel_ulong_t addr,
- const kernel_ulong_t len,
- const void *const opaque_data)
-{
- kernel_ulong_t buf;
- const size_t nmemb = len / current_wordsize;
-
- if (!nmemb)
- return false;
-
- print_array(tcp, addr, nmemb, &buf, current_wordsize,
- umoven_or_printaddr, print_group, 0);
-
- return true;
-}
-
-static bool
-decode_netlink_diag_ring(struct tcb *const tcp,
- const kernel_ulong_t addr,
- const kernel_ulong_t len,
- const void *const opaque_data)
-{
- struct netlink_diag_ring ndr;
-
- if (len < sizeof(ndr))
- return false;
- if (umove_or_printaddr(tcp, addr, &ndr))
- return true;
-
- PRINT_FIELD_U("{", ndr, ndr_block_size);
- PRINT_FIELD_U(", ", ndr, ndr_block_nr);
- PRINT_FIELD_U(", ", ndr, ndr_frame_size);
- PRINT_FIELD_U(", ", ndr, ndr_frame_nr);
- tprints("}");
-
- return true;
-}
-
-static bool
-decode_netlink_diag_flags(struct tcb *const tcp,
- const kernel_ulong_t addr,
- const kernel_ulong_t len,
- const void *const opaque_data)
-{
- uint32_t flags;
-
- if (len < sizeof(flags))
- return false;
- if (umove_or_printaddr(tcp, addr, &flags))
- return true;
-
- printflags(netlink_socket_flags, flags, "NDIAG_FLAG_???");
-
- return true;
-}
-
-static const nla_decoder_t netlink_diag_msg_nla_decoders[] = {
- [NETLINK_DIAG_MEMINFO] = decode_meminfo,
- [NETLINK_DIAG_GROUPS] = decode_netlink_diag_groups,
- [NETLINK_DIAG_RX_RING] = decode_netlink_diag_ring,
- [NETLINK_DIAG_TX_RING] = decode_netlink_diag_ring,
- [NETLINK_DIAG_FLAGS] = decode_netlink_diag_flags
-};
-
-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 };
- size_t offset = sizeof(msg.ndiag_family);
- bool decode_nla = false;
-
- 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);
- decode_nla = true;
- }
- } else
- tprints("...");
- tprints("}");
-
- offset = NLA_ALIGN(sizeof(msg));
- if (decode_nla && len > offset) {
- tprints(", ");
- decode_nlattr(tcp, addr + offset, len - offset,
- netlink_diag_attrs, "NETLINK_DIAG_???",
- netlink_diag_msg_nla_decoders,
- ARRAY_SIZE(netlink_diag_msg_nla_decoders), NULL);
- }
-}
-
-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 bool
-decode_packet_diag_info(struct tcb *const tcp,
- const kernel_ulong_t addr,
- const kernel_ulong_t len,
- const void *const opaque_data)
-{
- struct packet_diag_info pinfo;
-
- if (len < sizeof(pinfo))
- return false;
- if (umove_or_printaddr(tcp, addr, &pinfo))
- return true;
-
- PRINT_FIELD_U("{", pinfo, pdi_index);
- PRINT_FIELD_U(", ", pinfo, pdi_version);
- PRINT_FIELD_U(", ", pinfo, pdi_reserve);
- PRINT_FIELD_U(", ", pinfo, pdi_copy_thresh);
- PRINT_FIELD_U(", ", pinfo, pdi_tstamp);
- PRINT_FIELD_FLAGS(", ", pinfo, pdi_flags,
- packet_diag_info_flags, "PDI_???");
- tprints("}");
-
- return true;
-}
-
-static bool
-print_packet_diag_mclist(struct tcb *const tcp, void *const elem_buf,
- const size_t elem_size, void *const opaque_data)
-{
- struct packet_diag_mclist *dml = elem_buf;
- uint16_t alen = dml->pdmc_alen > sizeof(dml->pdmc_addr) ?
- sizeof(dml->pdmc_addr) : dml->pdmc_alen;
-
- PRINT_FIELD_IFINDEX("{", *dml, pdmc_index);
- PRINT_FIELD_U(", ", *dml, pdmc_count);
- PRINT_FIELD_U(", ", *dml, pdmc_type);
- PRINT_FIELD_U(", ", *dml, pdmc_alen);
- PRINT_FIELD_QUOTED_STRING(", ", *dml, pdmc_addr, alen, QUOTE_FORCE_HEX);
- tprints("}");
-
- return true;
-}
-
-static bool
-decode_packet_diag_mclist(struct tcb *const tcp,
- const kernel_ulong_t addr,
- const kernel_ulong_t len,
- const void *const opaque_data)
-{
- struct packet_diag_mclist dml;
- const size_t nmemb = len / sizeof(dml);
-
- if (!nmemb)
- return false;
-
- print_array(tcp, addr, nmemb, &dml, sizeof(dml),
- umoven_or_printaddr, print_packet_diag_mclist, 0);
-
- return true;
-}
-
-static bool
-decode_packet_diag_ring(struct tcb *const tcp,
- const kernel_ulong_t addr,
- const kernel_ulong_t len,
- const void *const opaque_data)
-{
- struct packet_diag_ring pdr;
-
- if (len < sizeof(pdr))
- return false;
- if (umove_or_printaddr(tcp, addr, &pdr))
- return true;
-
- PRINT_FIELD_U("{", pdr, pdr_block_size);
- PRINT_FIELD_U(", ", pdr, pdr_block_nr);
- PRINT_FIELD_U(", ", pdr, pdr_frame_size);
- PRINT_FIELD_U(", ", pdr, pdr_frame_nr);
- PRINT_FIELD_U(", ", pdr, pdr_retire_tmo);
- PRINT_FIELD_U(", ", pdr, pdr_sizeof_priv);
- PRINT_FIELD_U(", ", pdr, pdr_features);
- tprints("}");
-
- return true;
-}
-
-static bool
-decode_packet_diag_filter(struct tcb *const tcp,
- const kernel_ulong_t addr,
- const kernel_ulong_t len,
- const void *const opaque_data)
-{
- const kernel_ulong_t nmemb = len / sizeof(struct sock_filter);
- if (!nmemb || (unsigned short) nmemb != nmemb)
- return false;
-
- print_sock_fprog(tcp, addr, nmemb);
-
- return true;
-}
-
-static const nla_decoder_t packet_diag_msg_nla_decoders[] = {
- [PACKET_DIAG_INFO] = decode_packet_diag_info,
- [PACKET_DIAG_MCLIST] = decode_packet_diag_mclist,
- [PACKET_DIAG_RX_RING] = decode_packet_diag_ring,
- [PACKET_DIAG_TX_RING] = decode_packet_diag_ring,
- [PACKET_DIAG_FANOUT] = decode_nla_u32,
- [PACKET_DIAG_UID] = decode_nla_u32,
- [PACKET_DIAG_MEMINFO] = decode_meminfo,
- [PACKET_DIAG_FILTER] = decode_packet_diag_filter
-};
-
-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 };
- size_t offset = sizeof(msg.pdiag_family);
- bool decode_nla = false;
-
- 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);
- decode_nla = true;
- }
- } else
- tprints("...");
- tprints("}");
-
- offset = NLA_ALIGN(sizeof(msg));
- if (decode_nla && len > offset) {
- tprints(", ");
- decode_nlattr(tcp, addr + offset, len - offset,
- packet_diag_attrs, "PACKET_DIAG_???",
- packet_diag_msg_nla_decoders,
- ARRAY_SIZE(packet_diag_msg_nla_decoders), NULL);
- }
-}
-
-static void
-print_inet_diag_sockid(const struct inet_diag_sockid *id, const uint8_t family)
-{
- PRINT_FIELD_NET_PORT("{", *id, idiag_sport);
- PRINT_FIELD_NET_PORT(", ", *id, idiag_dport);
- PRINT_FIELD_INET_ADDR(", ", *id, idiag_src, family);
- PRINT_FIELD_INET_ADDR(", ", *id, idiag_dst, family);
- PRINT_FIELD_IFINDEX(", ", *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 };
- size_t offset = sizeof(req.idiag_family);
- bool decode_nla = false;
-
- 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);
- decode_nla = true;
- }
- } else
- tprints("...");
- tprints("}");
-
- offset = NLA_ALIGN(sizeof(req));
- if (decode_nla && len > offset) {
- tprints(", ");
- decode_nlattr(tcp, addr + offset, len - offset,
- inet_diag_req_attrs, "INET_DIAG_REQ_???",
- NULL, 0, NULL);
- }
-}
-
-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 };
- size_t offset = sizeof(req.sdiag_family);
- bool decode_nla = false;
-
- 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);
- decode_nla = true;
- }
- } else
- tprints("...");
- tprints("}");
-
- offset = NLA_ALIGN(sizeof(req));
- if (decode_nla && len > offset) {
- tprints(", ");
- decode_nlattr(tcp, addr + offset, len - offset,
- inet_diag_req_attrs, "INET_DIAG_REQ_???",
- NULL, 0, NULL);
- }
-}
-
-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 bool
-decode_inet_diag_meminfo(struct tcb *const tcp,
- const kernel_ulong_t addr,
- const kernel_ulong_t len,
- const void *const opaque_data)
-{
- struct inet_diag_meminfo minfo;
-
- if (len < sizeof(minfo))
- return false;
- if (umove_or_printaddr(tcp, addr, &minfo))
- return true;
-
- PRINT_FIELD_U("{", minfo, idiag_rmem);
- PRINT_FIELD_U(", ", minfo, idiag_wmem);
- PRINT_FIELD_U(", ", minfo, idiag_fmem);
- PRINT_FIELD_U(", ", minfo, idiag_tmem);
- tprints("}");
-
- return true;
-}
-
-static bool
-decode_tcpvegas_info(struct tcb *const tcp,
- const kernel_ulong_t addr,
- const kernel_ulong_t len,
- const void *const opaque_data)
-{
- struct tcpvegas_info vegas;
-
- if (len < sizeof(vegas))
- return false;
- if (umove_or_printaddr(tcp, addr, &vegas))
- return true;
-
- PRINT_FIELD_U("{", vegas, tcpv_enabled);
- PRINT_FIELD_U(", ", vegas, tcpv_rttcnt);
- PRINT_FIELD_U(", ", vegas, tcpv_rtt);
- PRINT_FIELD_U(", ", vegas, tcpv_minrtt);
- tprints("}");
-
- return true;
-}
-
-static bool
-decode_tcp_dctcp_info(struct tcb *const tcp,
- const kernel_ulong_t addr,
- const kernel_ulong_t len,
- const void *const opaque_data)
-{
- struct tcp_dctcp_info dctcp;
-
- if (len < sizeof(dctcp))
- return false;
- if (umove_or_printaddr(tcp, addr, &dctcp))
- return true;
-
- PRINT_FIELD_U("{", dctcp, dctcp_enabled);
- PRINT_FIELD_U(", ", dctcp, dctcp_ce_state);
- PRINT_FIELD_U(", ", dctcp, dctcp_alpha);
- PRINT_FIELD_U(", ", dctcp, dctcp_ab_ecn);
- PRINT_FIELD_U(", ", dctcp, dctcp_ab_tot);
- tprints("}");
-
- return true;
-}
-
-static bool
-decode_tcp_bbr_info(struct tcb *const tcp,
- const kernel_ulong_t addr,
- const kernel_ulong_t len,
- const void *const opaque_data)
-{
- struct tcp_bbr_info bbr;
-
- if (len < sizeof(bbr))
- return false;
- if (umove_or_printaddr(tcp, addr, &bbr))
- return true;
-
- PRINT_FIELD_X("{", bbr, bbr_bw_lo);
- PRINT_FIELD_X(", ", bbr, bbr_bw_hi);
- PRINT_FIELD_U(", ", bbr, bbr_min_rtt);
- PRINT_FIELD_U(", ", bbr, bbr_pacing_gain);
- PRINT_FIELD_U(", ", bbr, bbr_cwnd_gain);
- tprints("}");
-
- return true;
-}
-
-static const nla_decoder_t inet_diag_msg_nla_decoders[] = {
- [INET_DIAG_MEMINFO] = decode_inet_diag_meminfo,
- [INET_DIAG_INFO] = NULL, /* unimplemented */
- [INET_DIAG_VEGASINFO] = decode_tcpvegas_info,
- [INET_DIAG_CONG] = decode_nla_str,
- [INET_DIAG_TOS] = decode_nla_u8,
- [INET_DIAG_TCLASS] = decode_nla_u8,
- [INET_DIAG_SKMEMINFO] = decode_meminfo,
- [INET_DIAG_SHUTDOWN] = decode_nla_u8,
- [INET_DIAG_DCTCPINFO] = decode_tcp_dctcp_info,
- [INET_DIAG_PROTOCOL] = decode_nla_u8,
- [INET_DIAG_SKV6ONLY] = decode_nla_u8,
- [INET_DIAG_LOCALS] = NULL, /* unimplemented */
- [INET_DIAG_PEERS] = NULL, /* unimplemented */
- [INET_DIAG_PAD] = NULL,
- [INET_DIAG_MARK] = decode_nla_u32,
- [INET_DIAG_BBRINFO] = decode_tcp_bbr_info
-};
-
-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 };
- size_t offset = sizeof(msg.idiag_family);
- bool decode_nla = false;
-
- 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);
- decode_nla = true;
- }
- } else
- tprints("...");
- tprints("}");
-
- offset = NLA_ALIGN(sizeof(msg));
- if (decode_nla && len > offset) {
- tprints(", ");
- decode_nlattr(tcp, addr + offset, len - offset,
- inet_diag_attrs, "INET_DIAG_???",
- inet_diag_msg_nla_decoders,
- ARRAY_SIZE(inet_diag_msg_nla_decoders), NULL);
- }
-}
-
-#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 };
- size_t offset = sizeof(msg.diag_family);
- bool decode_nla = false;
-
- 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);
- decode_nla = true;
- }
- } else
- tprints("...");
- tprints("}");
-
- offset = NLA_ALIGN(sizeof(msg));
- if (decode_nla && len > offset) {
- tprints(", ");
- decode_nlattr(tcp, addr + offset, len - offset,
- smc_diag_attrs, "SMC_DIAG_???",
- NULL, 0, NULL);
- }
-}
-#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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