#include "defs.h"
#include "netlink.h"
#include "nlattr.h"
+#include "print_fields.h"
#include <arpa/inet.h>
#include <linux/inet_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/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/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)
-
static void
decode_family(struct tcb *const tcp, const uint8_t family,
const kernel_ulong_t addr, const kernel_ulong_t len)
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,
if (decode_nla && len > offset) {
tprints(", ");
decode_nlattr(tcp, addr + offset, len - offset,
- unix_diag_attrs, "UNIX_DIAG_???");
+ unix_diag_attrs, "UNIX_DIAG_???",
+ unix_diag_msg_nla_decoders,
+ ARRAY_SIZE(unix_diag_msg_nla_decoders), NULL);
}
}
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,
if (decode_nla && len > offset) {
tprints(", ");
decode_nlattr(tcp, addr + offset, len - offset,
- netlink_diag_attrs, "NETLINK_DIAG_???");
+ netlink_diag_attrs, "NETLINK_DIAG_???",
+ netlink_diag_msg_nla_decoders,
+ ARRAY_SIZE(netlink_diag_msg_nla_decoders), NULL);
}
}
if (decode_nla && len > offset) {
tprints(", ");
decode_nlattr(tcp, addr + offset, len - offset,
- packet_diag_attrs, "PACKET_DIAG_???");
+ packet_diag_attrs, "PACKET_DIAG_???",
+ NULL, 0, NULL);
}
}
print_inet_addr(family, id->idiag_dst,
sizeof(id->idiag_dst), "idiag_dst");
- PRINT_FIELD_U(", ", *id, idiag_if);
+ tprints(", idiag_if=");
+ print_ifindex(id->idiag_if);
+
PRINT_FIELD_COOKIE(", ", *id, idiag_cookie);
tprints("}");
if (decode_nla && len > offset) {
tprints(", ");
decode_nlattr(tcp, addr + offset, len - offset,
- inet_diag_req_attrs, "INET_DIAG_REQ_???");
+ inet_diag_req_attrs, "INET_DIAG_REQ_???",
+ NULL, 0, NULL);
}
}
if (decode_nla && len > offset) {
tprints(", ");
decode_nlattr(tcp, addr + offset, len - offset,
- inet_diag_req_attrs, "INET_DIAG_REQ_???");
+ inet_diag_req_attrs, "INET_DIAG_REQ_???",
+ NULL, 0, NULL);
}
}
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,
if (decode_nla && len > offset) {
tprints(", ");
decode_nlattr(tcp, addr + offset, len - offset,
- inet_diag_attrs, "INET_DIAG_???");
+ inet_diag_attrs, "INET_DIAG_???",
+ inet_diag_msg_nla_decoders,
+ ARRAY_SIZE(inet_diag_msg_nla_decoders), NULL);
}
}
if (decode_nla && len > offset) {
tprints(", ");
decode_nlattr(tcp, addr + offset, len - offset,
- smc_diag_attrs, "SMC_DIAG_???");
+ smc_diag_attrs, "SMC_DIAG_???",
+ NULL, 0, NULL);
}
}
#endif
projects / strace / blobdiff