2 * ss.c "sockstat", socket statistics
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version
7 * 2 of the License, or (at your option) any later version.
9 * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
16 #include <sys/ioctl.h>
17 #include <sys/socket.h>
19 #include <sys/sysmacros.h>
20 #include <netinet/in.h>
24 #include <arpa/inet.h>
35 #include "libnetlink.h"
36 #include "namespace.h"
39 #include <linux/tcp.h>
40 #include <linux/sock_diag.h>
41 #include <linux/inet_diag.h>
42 #include <linux/unix_diag.h>
43 #include <linux/netdevice.h> /* for MAX_ADDR_LEN */
44 #include <linux/filter.h>
45 #include <linux/packet_diag.h>
46 #include <linux/netlink_diag.h>
47 #include <linux/sctp.h>
48 #include <linux/vm_sockets_diag.h>
49 #include <linux/net.h>
50 #include <linux/tipc.h>
51 #include <linux/tipc_netlink.h>
52 #include <linux/tipc_sockets_diag.h>
54 #define MAGIC_SEQ 123456
55 #define BUF_CHUNK (1024 * 1024)
56 #define LEN_ALIGN(x) (((x) + 1) & ~1)
58 #define DIAG_REQUEST(_req, _r) \
60 struct nlmsghdr nlh; \
64 .nlmsg_type = SOCK_DIAG_BY_FAMILY, \
65 .nlmsg_flags = NLM_F_ROOT|NLM_F_MATCH|NLM_F_REQUEST,\
66 .nlmsg_seq = MAGIC_SEQ, \
67 .nlmsg_len = sizeof(_req), \
72 #include <selinux/selinux.h>
74 /* Stubs for SELinux functions */
75 static int is_selinux_enabled(void)
80 static int getpidcon(pid_t pid
, char **context
)
86 static int getfilecon(char *path
, char **context
)
92 static int security_get_initial_context(char *name
, char **context
)
99 static int resolve_services
= 1;
100 int preferred_family
= AF_UNSPEC
;
101 static int show_options
;
103 static int show_users
;
105 static int show_tcpinfo
;
107 static int show_proc_ctx
;
108 static int show_sock_ctx
;
109 static int show_header
= 1;
110 static int follow_events
;
112 static int show_tipcinfo
;
134 const enum col_align align
;
138 int width
; /* Calculated, including additional layout spacing */
139 int max_len
; /* Measured maximum field length in this column */
142 static struct column columns
[] = {
143 { ALIGN_LEFT
, "Netid", "", 0, 0, 0 },
144 { ALIGN_LEFT
, "State", " ", 0, 0, 0 },
145 { ALIGN_LEFT
, "Recv-Q", " ", 0, 0, 0 },
146 { ALIGN_LEFT
, "Send-Q", " ", 0, 0, 0 },
147 { ALIGN_RIGHT
, "Local Address:", " ", 0, 0, 0 },
148 { ALIGN_LEFT
, "Port", "", 0, 0, 0 },
149 { ALIGN_RIGHT
, "Peer Address:", " ", 0, 0, 0 },
150 { ALIGN_LEFT
, "Port", "", 0, 0, 0 },
151 { ALIGN_LEFT
, "", "", 0, 0, 0 },
154 static struct column
*current_field
= columns
;
156 /* Output buffer: chained chunks of BUF_CHUNK bytes. Each field is written to
157 * the buffer as a variable size token. A token consists of a 16 bits length
158 * field, followed by a string which is not NULL-terminated.
160 * A new chunk is allocated and linked when the current chunk doesn't have
161 * enough room to store the current token as a whole.
164 struct buf_chunk
*next
; /* Next chained chunk */
165 char *end
; /* Current end of content */
170 uint16_t len
; /* Data length, excluding length descriptor */
175 struct buf_token
*cur
; /* Position of current token in chunk */
176 struct buf_chunk
*head
; /* First chunk */
177 struct buf_chunk
*tail
; /* Current chunk */
180 static const char *TCP_PROTO
= "tcp";
181 static const char *SCTP_PROTO
= "sctp";
182 static const char *UDP_PROTO
= "udp";
183 static const char *RAW_PROTO
= "raw";
184 static const char *dg_proto
;
204 #define PACKET_DBM ((1<<PACKET_DG_DB)|(1<<PACKET_R_DB))
205 #define UNIX_DBM ((1<<UNIX_DG_DB)|(1<<UNIX_ST_DB)|(1<<UNIX_SQ_DB))
206 #define ALL_DB ((1<<MAX_DB)-1)
207 #define INET_L4_DBM ((1<<TCP_DB)|(1<<UDP_DB)|(1<<DCCP_DB)|(1<<SCTP_DB))
208 #define INET_DBM (INET_L4_DBM | (1<<RAW_DB))
209 #define VSOCK_DBM ((1<<VSOCK_ST_DB)|(1<<VSOCK_DG_DB))
228 SCTP_STATE_CLOSED
= 0,
229 SCTP_STATE_COOKIE_WAIT
= 1,
230 SCTP_STATE_COOKIE_ECHOED
= 2,
231 SCTP_STATE_ESTABLISHED
= 3,
232 SCTP_STATE_SHUTDOWN_PENDING
= 4,
233 SCTP_STATE_SHUTDOWN_SENT
= 5,
234 SCTP_STATE_SHUTDOWN_RECEIVED
= 6,
235 SCTP_STATE_SHUTDOWN_ACK_SENT
= 7,
238 #define SS_ALL ((1 << SS_MAX) - 1)
239 #define SS_CONN (SS_ALL & ~((1<<SS_LISTEN)|(1<<SS_CLOSE)|(1<<SS_TIME_WAIT)|(1<<SS_SYN_RECV)))
240 #define TIPC_SS_CONN ((1<<SS_ESTABLISHED)|(1<<SS_LISTEN)|(1<<SS_CLOSE))
242 #include "ssfilter.h"
250 struct rtnl_handle
*rth_for_killing
;
253 #define FAMILY_MASK(family) ((uint64_t)1 << (family))
255 static const struct filter default_dbs
[MAX_DB
] = {
258 .families
= FAMILY_MASK(AF_INET
) | FAMILY_MASK(AF_INET6
),
262 .families
= FAMILY_MASK(AF_INET
) | FAMILY_MASK(AF_INET6
),
265 .states
= (1 << SS_ESTABLISHED
),
266 .families
= FAMILY_MASK(AF_INET
) | FAMILY_MASK(AF_INET6
),
269 .states
= (1 << SS_ESTABLISHED
),
270 .families
= FAMILY_MASK(AF_INET
) | FAMILY_MASK(AF_INET6
),
273 .states
= (1 << SS_CLOSE
),
274 .families
= FAMILY_MASK(AF_UNIX
),
278 .families
= FAMILY_MASK(AF_UNIX
),
282 .families
= FAMILY_MASK(AF_UNIX
),
285 .states
= (1 << SS_CLOSE
),
286 .families
= FAMILY_MASK(AF_PACKET
),
289 .states
= (1 << SS_CLOSE
),
290 .families
= FAMILY_MASK(AF_PACKET
),
293 .states
= (1 << SS_CLOSE
),
294 .families
= FAMILY_MASK(AF_NETLINK
),
298 .families
= FAMILY_MASK(AF_INET
) | FAMILY_MASK(AF_INET6
),
302 .families
= FAMILY_MASK(AF_VSOCK
),
306 .families
= FAMILY_MASK(AF_VSOCK
),
309 .states
= TIPC_SS_CONN
,
310 .families
= FAMILY_MASK(AF_TIPC
),
314 static const struct filter default_afs
[AF_MAX
] = {
329 .states
= (1 << SS_CLOSE
),
332 .dbs
= (1 << NETLINK_DB
),
333 .states
= (1 << SS_CLOSE
),
340 .dbs
= (1 << TIPC_DB
),
341 .states
= TIPC_SS_CONN
,
345 static int do_default
= 1;
346 static struct filter current_filter
;
348 static void filter_db_set(struct filter
*f
, int db
, bool enable
)
351 f
->states
|= default_dbs
[db
].states
;
354 f
->dbs
&= ~(1 << db
);
359 static int filter_db_parse(struct filter
*f
, const char *s
)
365 #define ENTRY(name, ...) { #name, { __VA_ARGS__, MAX_DB } }
366 ENTRY(all
, UDP_DB
, DCCP_DB
, TCP_DB
, RAW_DB
,
367 UNIX_ST_DB
, UNIX_DG_DB
, UNIX_SQ_DB
,
368 PACKET_R_DB
, PACKET_DG_DB
, NETLINK_DB
,
369 SCTP_DB
, VSOCK_ST_DB
, VSOCK_DG_DB
),
370 ENTRY(inet
, UDP_DB
, DCCP_DB
, TCP_DB
, SCTP_DB
, RAW_DB
),
372 ENTRY(dccp
, DCCP_DB
),
374 ENTRY(sctp
, SCTP_DB
),
376 ENTRY(unix
, UNIX_ST_DB
, UNIX_DG_DB
, UNIX_SQ_DB
),
377 ENTRY(unix_stream
, UNIX_ST_DB
),
378 ENTRY(u_str
, UNIX_ST_DB
), /* alias for unix_stream */
379 ENTRY(unix_dgram
, UNIX_DG_DB
),
380 ENTRY(u_dgr
, UNIX_DG_DB
), /* alias for unix_dgram */
381 ENTRY(unix_seqpacket
, UNIX_SQ_DB
),
382 ENTRY(u_seq
, UNIX_SQ_DB
), /* alias for unix_seqpacket */
383 ENTRY(packet
, PACKET_R_DB
, PACKET_DG_DB
),
384 ENTRY(packet_raw
, PACKET_R_DB
),
385 ENTRY(p_raw
, PACKET_R_DB
), /* alias for packet_raw */
386 ENTRY(packet_dgram
, PACKET_DG_DB
),
387 ENTRY(p_dgr
, PACKET_DG_DB
), /* alias for packet_dgram */
388 ENTRY(netlink
, NETLINK_DB
),
389 ENTRY(vsock
, VSOCK_ST_DB
, VSOCK_DG_DB
),
390 ENTRY(vsock_stream
, VSOCK_ST_DB
),
391 ENTRY(v_str
, VSOCK_ST_DB
), /* alias for vsock_stream */
392 ENTRY(vsock_dgram
, VSOCK_DG_DB
),
393 ENTRY(v_dgr
, VSOCK_DG_DB
), /* alias for vsock_dgram */
404 for (i
= 0; i
< ARRAY_SIZE(db_name_tbl
); i
++) {
405 if (strcmp(s
, db_name_tbl
[i
].name
))
407 for (dbp
= db_name_tbl
[i
].dbs
; *dbp
!= MAX_DB
; dbp
++)
408 filter_db_set(f
, *dbp
, enable
);
414 static void filter_af_set(struct filter
*f
, int af
)
416 f
->states
|= default_afs
[af
].states
;
417 f
->families
|= FAMILY_MASK(af
);
419 preferred_family
= af
;
422 static int filter_af_get(struct filter
*f
, int af
)
424 return !!(f
->families
& FAMILY_MASK(af
));
427 static void filter_states_set(struct filter
*f
, int states
)
433 static void filter_merge_defaults(struct filter
*f
)
438 for (db
= 0; db
< MAX_DB
; db
++) {
439 if (!(f
->dbs
& (1 << db
)))
442 if (!(default_dbs
[db
].families
& f
->families
))
443 f
->families
|= default_dbs
[db
].families
;
445 for (af
= 0; af
< AF_MAX
; af
++) {
446 if (!(f
->families
& FAMILY_MASK(af
)))
449 if (!(default_afs
[af
].dbs
& f
->dbs
))
450 f
->dbs
|= default_afs
[af
].dbs
;
454 static FILE *generic_proc_open(const char *env
, const char *name
)
456 const char *p
= getenv(env
);
460 p
= getenv("PROC_ROOT") ? : "/proc";
461 snprintf(store
, sizeof(store
)-1, "%s/%s", p
, name
);
465 return fopen(p
, "r");
467 #define net_tcp_open() generic_proc_open("PROC_NET_TCP", "net/tcp")
468 #define net_tcp6_open() generic_proc_open("PROC_NET_TCP6", "net/tcp6")
469 #define net_udp_open() generic_proc_open("PROC_NET_UDP", "net/udp")
470 #define net_udp6_open() generic_proc_open("PROC_NET_UDP6", "net/udp6")
471 #define net_raw_open() generic_proc_open("PROC_NET_RAW", "net/raw")
472 #define net_raw6_open() generic_proc_open("PROC_NET_RAW6", "net/raw6")
473 #define net_unix_open() generic_proc_open("PROC_NET_UNIX", "net/unix")
474 #define net_packet_open() generic_proc_open("PROC_NET_PACKET", \
476 #define net_netlink_open() generic_proc_open("PROC_NET_NETLINK", \
478 #define net_sockstat_open() generic_proc_open("PROC_NET_SOCKSTAT", \
480 #define net_sockstat6_open() generic_proc_open("PROC_NET_SOCKSTAT6", \
482 #define net_snmp_open() generic_proc_open("PROC_NET_SNMP", "net/snmp")
483 #define ephemeral_ports_open() generic_proc_open("PROC_IP_LOCAL_PORT_RANGE", \
484 "sys/net/ipv4/ip_local_port_range")
487 struct user_ent
*next
;
496 #define USER_ENT_HASH_SIZE 256
497 static struct user_ent
*user_ent_hash
[USER_ENT_HASH_SIZE
];
499 static int user_ent_hashfn(unsigned int ino
)
501 int val
= (ino
>> 24) ^ (ino
>> 16) ^ (ino
>> 8) ^ ino
;
503 return val
& (USER_ENT_HASH_SIZE
- 1);
506 static void user_ent_add(unsigned int ino
, char *process
,
511 struct user_ent
*p
, **pp
;
513 p
= malloc(sizeof(struct user_ent
));
515 fprintf(stderr
, "ss: failed to malloc buffer\n");
522 p
->process
= strdup(process
);
523 p
->process_ctx
= strdup(proc_ctx
);
524 p
->socket_ctx
= strdup(sock_ctx
);
526 pp
= &user_ent_hash
[user_ent_hashfn(ino
)];
531 static void user_ent_destroy(void)
533 struct user_ent
*p
, *p_next
;
536 while (cnt
!= USER_ENT_HASH_SIZE
) {
537 p
= user_ent_hash
[cnt
];
540 free(p
->process_ctx
);
550 static void user_ent_hash_build(void)
552 const char *root
= getenv("PROC_ROOT") ? : "/proc/";
559 const char *no_ctx
= "unavailable";
560 static int user_ent_hash_build_init
;
562 /* If show_users & show_proc_ctx set only do this once */
563 if (user_ent_hash_build_init
!= 0)
566 user_ent_hash_build_init
= 1;
568 strlcpy(name
, root
, sizeof(name
));
570 if (strlen(name
) == 0 || name
[strlen(name
)-1] != '/')
573 nameoff
= strlen(name
);
579 while ((d
= readdir(dir
)) != NULL
) {
587 if (sscanf(d
->d_name
, "%d%c", &pid
, &crap
) != 1)
590 if (getpidcon(pid
, &pid_context
) != 0)
591 pid_context
= strdup(no_ctx
);
593 snprintf(name
+ nameoff
, sizeof(name
) - nameoff
, "%d/fd/", pid
);
595 if ((dir1
= opendir(name
)) == NULL
) {
603 while ((d1
= readdir(dir1
)) != NULL
) {
604 const char *pattern
= "socket:[";
611 if (sscanf(d1
->d_name
, "%d%c", &fd
, &crap
) != 1)
614 snprintf(name
+pos
, sizeof(name
) - pos
, "%d", fd
);
616 link_len
= readlink(name
, lnk
, sizeof(lnk
)-1);
619 lnk
[link_len
] = '\0';
621 if (strncmp(lnk
, pattern
, strlen(pattern
)))
624 sscanf(lnk
, "socket:[%u]", &ino
);
626 snprintf(tmp
, sizeof(tmp
), "%s/%d/fd/%s",
627 root
, pid
, d1
->d_name
);
629 if (getfilecon(tmp
, &sock_context
) <= 0)
630 sock_context
= strdup(no_ctx
);
635 snprintf(tmp
, sizeof(tmp
), "%s/%d/stat",
637 if ((fp
= fopen(tmp
, "r")) != NULL
) {
638 if (fscanf(fp
, "%*d (%[^)])", p
) < 1)
643 user_ent_add(ino
, p
, pid
, fd
,
644 pid_context
, sock_context
);
659 #define ENTRY_BUF_SIZE 512
660 static int find_entry(unsigned int ino
, char **buf
, int type
)
666 int len
, new_buf_len
;
673 p
= user_ent_hash
[user_ent_hashfn(ino
)];
680 ptr
= *buf
+ buf_used
;
683 len
= snprintf(ptr
, buf_len
- buf_used
,
684 "(\"%s\",pid=%d,fd=%d),",
685 p
->process
, p
->pid
, p
->fd
);
688 len
= snprintf(ptr
, buf_len
- buf_used
,
689 "(\"%s\",pid=%d,proc_ctx=%s,fd=%d),",
691 p
->process_ctx
, p
->fd
);
694 len
= snprintf(ptr
, buf_len
- buf_used
,
695 "(\"%s\",pid=%d,proc_ctx=%s,fd=%d,sock_ctx=%s),",
697 p
->process_ctx
, p
->fd
,
701 fprintf(stderr
, "ss: invalid type: %d\n", type
);
705 if (len
< 0 || len
>= buf_len
- buf_used
) {
706 new_buf_len
= buf_len
+ ENTRY_BUF_SIZE
;
707 new_buf
= realloc(*buf
, new_buf_len
);
709 fprintf(stderr
, "ss: failed to malloc buffer\n");
713 buf_len
= new_buf_len
;
725 ptr
= *buf
+ buf_used
;
731 static unsigned long long cookie_sk_get(const uint32_t *cookie
)
733 return (((unsigned long long)cookie
[1] << 31) << 1) | cookie
[0];
736 static const char *sctp_sstate_name
[] = {
737 [SCTP_STATE_CLOSED
] = "CLOSED",
738 [SCTP_STATE_COOKIE_WAIT
] = "COOKIE_WAIT",
739 [SCTP_STATE_COOKIE_ECHOED
] = "COOKIE_ECHOED",
740 [SCTP_STATE_ESTABLISHED
] = "ESTAB",
741 [SCTP_STATE_SHUTDOWN_PENDING
] = "SHUTDOWN_PENDING",
742 [SCTP_STATE_SHUTDOWN_SENT
] = "SHUTDOWN_SENT",
743 [SCTP_STATE_SHUTDOWN_RECEIVED
] = "SHUTDOWN_RECEIVED",
744 [SCTP_STATE_SHUTDOWN_ACK_SENT
] = "ACK_SENT",
747 static const char * const stype_nameg
[] = {
749 [SOCK_STREAM
] = "STREAM",
750 [SOCK_DGRAM
] = "DGRAM",
752 [SOCK_SEQPACKET
] = "SEQPACKET",
756 struct sockstat
*next
;
770 unsigned long long sk
;
777 unsigned int ce_state
;
787 unsigned int timeout
;
790 double rto
, ato
, rtt
, rttvar
;
791 int qack
, ssthresh
, backoff
;
800 unsigned int lastsnd
;
801 unsigned int lastrcv
;
802 unsigned int lastack
;
804 double pacing_rate_max
;
805 double delivery_rate
;
806 unsigned long long bytes_acked
;
807 unsigned long long bytes_received
;
808 unsigned int segs_out
;
809 unsigned int segs_in
;
810 unsigned int data_segs_out
;
811 unsigned int data_segs_in
;
812 unsigned int unacked
;
813 unsigned int retrans
;
814 unsigned int retrans_total
;
817 unsigned int fackets
;
818 unsigned int reordering
;
819 unsigned int not_sent
;
820 unsigned int delivered
;
821 unsigned int delivered_ce
;
822 unsigned int dsack_dups
;
823 unsigned int reord_seen
;
827 unsigned int rcv_ssthresh
;
828 unsigned long long busy_time
;
829 unsigned long long rwnd_limited
;
830 unsigned long long sndbuf_limited
;
831 unsigned long long bytes_sent
;
832 unsigned long long bytes_retrans
;
836 bool has_ecnseen_opt
;
837 bool has_fastopen_opt
;
840 struct dctcpstat
*dctcp
;
841 struct tcp_bbr_info
*bbr_info
;
844 /* SCTP assocs share the same inode number with their parent endpoint. So if we
845 * have seen the inode number before, it must be an assoc instead of the next
847 static bool is_sctp_assoc(struct sockstat
*s
, const char *sock_name
)
849 if (strcmp(sock_name
, "sctp"))
851 if (!sctp_ino
|| sctp_ino
!= s
->ino
)
856 static const char *unix_netid_name(int type
)
869 static const char *proto_name(int protocol
)
889 static const char *vsock_netid_name(int type
)
901 static const char *tipc_netid_name(int type
)
917 /* Allocate and initialize a new buffer chunk */
918 static struct buf_chunk
*buf_chunk_new(void)
920 struct buf_chunk
*new = malloc(BUF_CHUNK
);
927 /* This is also the last block */
930 /* Next token will be stored at the beginning of chunk data area, and
931 * its initial length is zero.
933 buffer
.cur
= (struct buf_token
*)new->data
;
936 new->end
= buffer
.cur
->data
;
941 /* Return available tail room in given chunk */
942 static int buf_chunk_avail(struct buf_chunk
*chunk
)
944 return BUF_CHUNK
- offsetof(struct buf_chunk
, data
) -
945 (chunk
->end
- chunk
->data
);
948 /* Update end pointer and token length, link new chunk if we hit the end of the
949 * current one. Return -EAGAIN if we got a new chunk, caller has to print again.
951 static int buf_update(int len
)
953 struct buf_chunk
*chunk
= buffer
.tail
;
954 struct buf_token
*t
= buffer
.cur
;
956 /* Claim success if new content fits in the current chunk, and anyway
957 * if this is the first token in the chunk: in the latter case,
958 * allocating a new chunk won't help, so we'll just cut the output.
960 if ((len
< buf_chunk_avail(chunk
) && len
!= -1 /* glibc < 2.0.6 */) ||
961 t
== (struct buf_token
*)chunk
->data
) {
962 len
= min(len
, buf_chunk_avail(chunk
));
964 /* Total field length can't exceed 2^16 bytes, cut as needed */
965 len
= min(len
, USHRT_MAX
- t
->len
);
972 /* Content truncated, time to allocate more */
973 chunk
->next
= buf_chunk_new();
975 /* Copy current token over to new chunk, including length descriptor */
976 memcpy(chunk
->next
->data
, t
, sizeof(t
->len
) + t
->len
);
977 chunk
->next
->end
+= t
->len
;
979 /* Discard partially written field in old chunk */
980 chunk
->end
-= t
->len
+ sizeof(t
->len
);
985 /* Append content to buffer as part of the current field */
986 __attribute__((format(printf
, 1, 2)))
987 static void out(const char *fmt
, ...)
989 struct column
*f
= current_field
;
998 buffer
.head
= buf_chunk_new();
1000 again
: /* Append to buffer: if we have a new chunk, print again */
1002 pos
= buffer
.cur
->data
+ buffer
.cur
->len
;
1003 va_start(args
, fmt
);
1005 /* Limit to tail room. If we hit the limit, buf_update() will tell us */
1006 len
= vsnprintf(pos
, buf_chunk_avail(buffer
.tail
), fmt
, args
);
1009 if (buf_update(len
))
1013 static int print_left_spacing(struct column
*f
, int stored
, int printed
)
1017 if (!f
->width
|| f
->align
== ALIGN_LEFT
)
1020 s
= f
->width
- stored
- printed
;
1021 if (f
->align
== ALIGN_CENTER
)
1022 /* If count of total spacing is odd, shift right by one */
1026 return printf("%*c", s
, ' ');
1031 static void print_right_spacing(struct column
*f
, int printed
)
1035 if (!f
->width
|| f
->align
== ALIGN_RIGHT
)
1038 s
= f
->width
- printed
;
1039 if (f
->align
== ALIGN_CENTER
)
1043 printf("%*c", s
, ' ');
1046 /* Done with field: update buffer pointer, start new token after current one */
1047 static void field_flush(struct column
*f
)
1049 struct buf_chunk
*chunk
;
1055 chunk
= buffer
.tail
;
1056 pad
= buffer
.cur
->len
% 2;
1058 if (buffer
.cur
->len
> f
->max_len
)
1059 f
->max_len
= buffer
.cur
->len
;
1061 /* We need a new chunk if we can't store the next length descriptor.
1062 * Mind the gap between end of previous token and next aligned position
1063 * for length descriptor.
1065 if (buf_chunk_avail(chunk
) - pad
< sizeof(buffer
.cur
->len
)) {
1067 chunk
->next
= buf_chunk_new();
1071 buffer
.cur
= (struct buf_token
*)(buffer
.cur
->data
+
1072 LEN_ALIGN(buffer
.cur
->len
));
1073 buffer
.cur
->len
= 0;
1074 buffer
.tail
->end
= buffer
.cur
->data
;
1077 static int field_is_last(struct column
*f
)
1079 return f
- columns
== COL_MAX
- 1;
1082 static void field_next(void)
1084 field_flush(current_field
);
1086 if (field_is_last(current_field
))
1087 current_field
= columns
;
1092 /* Walk through fields and flush them until we reach the desired one */
1093 static void field_set(enum col_id id
)
1095 while (id
!= current_field
- columns
)
1099 /* Print header for all non-empty columns */
1100 static void print_header(void)
1102 while (!field_is_last(current_field
)) {
1103 if (!current_field
->disabled
)
1104 out("%s", current_field
->header
);
1109 /* Get the next available token in the buffer starting from the current token */
1110 static struct buf_token
*buf_token_next(struct buf_token
*cur
)
1112 struct buf_chunk
*chunk
= buffer
.tail
;
1114 /* If we reached the end of chunk contents, get token from next chunk */
1115 if (cur
->data
+ LEN_ALIGN(cur
->len
) == chunk
->end
) {
1116 buffer
.tail
= chunk
= chunk
->next
;
1117 return chunk
? (struct buf_token
*)chunk
->data
: NULL
;
1120 return (struct buf_token
*)(cur
->data
+ LEN_ALIGN(cur
->len
));
1123 /* Free up all allocated buffer chunks */
1124 static void buf_free_all(void)
1126 struct buf_chunk
*tmp
;
1128 for (buffer
.tail
= buffer
.head
; buffer
.tail
; ) {
1130 buffer
.tail
= buffer
.tail
->next
;
1136 /* Get current screen width, default to 80 columns if TIOCGWINSZ fails */
1137 static int render_screen_width(void)
1141 if (isatty(STDOUT_FILENO
)) {
1144 if (ioctl(STDOUT_FILENO
, TIOCGWINSZ
, &w
) != -1) {
1153 /* Calculate column width from contents length. If columns don't fit on one
1154 * line, break them into the least possible amount of lines and keep them
1155 * aligned across lines. Available screen space is equally spread between fields
1156 * as additional spacing.
1158 static void render_calc_width(void)
1160 int screen_width
= render_screen_width();
1161 struct column
*c
, *eol
= columns
- 1;
1162 int first
, len
= 0, linecols
= 0;
1164 /* First pass: set width for each column to measured content length */
1165 for (first
= 1, c
= columns
; c
- columns
< COL_MAX
; c
++) {
1169 if (!first
&& c
->max_len
)
1170 c
->width
= c
->max_len
+ strlen(c
->ldelim
);
1172 c
->width
= c
->max_len
;
1174 /* But don't exceed screen size. If we exceed the screen size
1175 * for even a single field, it will just start on a line of its
1176 * own and then naturally wrap.
1178 c
->width
= min(c
->width
, screen_width
);
1184 /* Second pass: find out newlines and distribute available spacing */
1185 for (c
= columns
; c
- columns
< COL_MAX
; c
++) {
1186 int pad
, spacing
, rem
, last
;
1195 for (last
= 1, tmp
= c
+ 1; tmp
- columns
< COL_MAX
; tmp
++) {
1202 if (!last
&& len
< screen_width
) {
1203 /* Columns fit on screen so far, nothing to do yet */
1207 if (len
== screen_width
) {
1208 /* Exact fit, just start with new line */
1212 if (len
> screen_width
) {
1213 /* Screen width exceeded: go back one column */
1219 /* Distribute remaining space to columns on this line */
1220 pad
= screen_width
- len
;
1221 spacing
= pad
/ linecols
;
1222 rem
= pad
% linecols
;
1223 for (tmp
= c
; tmp
> eol
; tmp
--) {
1227 tmp
->width
+= spacing
;
1235 /* Line break: reset line counters, mark end-of-line */
1242 /* Render buffered output with spacing and delimiters, then free up buffers */
1243 static void render(void)
1245 struct buf_token
*token
;
1246 int printed
, line_started
= 0;
1252 token
= (struct buf_token
*)buffer
.head
->data
;
1254 /* Ensure end alignment of last token, it wasn't necessarily flushed */
1255 buffer
.tail
->end
+= buffer
.cur
->len
% 2;
1257 render_calc_width();
1259 /* Rewind and replay */
1260 buffer
.tail
= buffer
.head
;
1267 /* Print left delimiter only if we already started a line */
1269 printed
= printf("%s", f
->ldelim
);
1273 /* Print field content from token data with spacing */
1274 printed
+= print_left_spacing(f
, token
->len
, printed
);
1275 printed
+= fwrite(token
->data
, 1, token
->len
, stdout
);
1276 print_right_spacing(f
, printed
);
1278 /* Go to next non-empty field, deal with end-of-line */
1280 if (field_is_last(f
)) {
1287 } while (f
->disabled
);
1289 token
= buf_token_next(token
);
1293 current_field
= columns
;
1296 static void sock_state_print(struct sockstat
*s
)
1298 const char *sock_name
;
1299 static const char * const sstate_name
[] = {
1301 [SS_ESTABLISHED
] = "ESTAB",
1302 [SS_SYN_SENT
] = "SYN-SENT",
1303 [SS_SYN_RECV
] = "SYN-RECV",
1304 [SS_FIN_WAIT1
] = "FIN-WAIT-1",
1305 [SS_FIN_WAIT2
] = "FIN-WAIT-2",
1306 [SS_TIME_WAIT
] = "TIME-WAIT",
1307 [SS_CLOSE
] = "UNCONN",
1308 [SS_CLOSE_WAIT
] = "CLOSE-WAIT",
1309 [SS_LAST_ACK
] = "LAST-ACK",
1310 [SS_LISTEN
] = "LISTEN",
1311 [SS_CLOSING
] = "CLOSING",
1314 switch (s
->local
.family
) {
1316 sock_name
= unix_netid_name(s
->type
);
1320 sock_name
= proto_name(s
->type
);
1323 sock_name
= s
->type
== SOCK_RAW
? "p_raw" : "p_dgr";
1329 sock_name
= tipc_netid_name(s
->type
);
1332 sock_name
= vsock_netid_name(s
->type
);
1335 sock_name
= "unknown";
1338 if (is_sctp_assoc(s
, sock_name
)) {
1339 field_set(COL_STATE
); /* Empty Netid field */
1340 out("`- %s", sctp_sstate_name
[s
->state
]);
1342 field_set(COL_NETID
);
1343 out("%s", sock_name
);
1344 field_set(COL_STATE
);
1345 out("%s", sstate_name
[s
->state
]);
1348 field_set(COL_RECVQ
);
1350 field_set(COL_SENDQ
);
1352 field_set(COL_ADDR
);
1355 static void sock_details_print(struct sockstat
*s
)
1358 out(" uid:%u", s
->uid
);
1360 out(" ino:%u", s
->ino
);
1361 out(" sk:%llx", s
->sk
);
1364 out(" fwmark:0x%x", s
->mark
);
1367 static void sock_addr_print(const char *addr
, char *delim
, const char *port
,
1371 out("%s" "%%" "%s%s", addr
, ifname
, delim
);
1373 out("%s%s", addr
, delim
);
1380 static const char *print_ms_timer(unsigned int timeout
)
1382 static char buf
[64];
1383 int secs
, msecs
, minutes
;
1385 secs
= timeout
/1000;
1388 msecs
= timeout
%1000;
1392 snprintf(buf
, sizeof(buf
)-16, "%dmin", minutes
);
1399 sprintf(buf
+strlen(buf
), "%d%s", secs
, msecs
? "." : "sec");
1402 sprintf(buf
+strlen(buf
), "%03dms", msecs
);
1407 struct scache
*next
;
1413 static struct scache
*rlist
;
1415 static void init_service_resolver(void)
1418 FILE *fp
= popen("/usr/sbin/rpcinfo -p 2>/dev/null", "r");
1423 if (!fgets(buf
, sizeof(buf
), fp
)) {
1427 while (fgets(buf
, sizeof(buf
), fp
) != NULL
) {
1428 unsigned int progn
, port
;
1429 char proto
[128], prog
[128] = "rpc.";
1432 if (sscanf(buf
, "%u %*d %s %u %s",
1433 &progn
, proto
, &port
, prog
+4) != 4)
1436 if (!(c
= malloc(sizeof(*c
))))
1440 c
->name
= strdup(prog
);
1441 if (strcmp(proto
, TCP_PROTO
) == 0)
1442 c
->proto
= TCP_PROTO
;
1443 else if (strcmp(proto
, UDP_PROTO
) == 0)
1444 c
->proto
= UDP_PROTO
;
1445 else if (strcmp(proto
, SCTP_PROTO
) == 0)
1446 c
->proto
= SCTP_PROTO
;
1455 /* Even do not try default linux ephemeral port ranges:
1456 * default /etc/services contains so much of useless crap
1457 * wouldbe "allocated" to this area that resolution
1458 * is really harmful. I shrug each time when seeing
1459 * "socks" or "cfinger" in dumps.
1461 static int is_ephemeral(int port
)
1463 static int min
= 0, max
;
1466 FILE *f
= ephemeral_ports_open();
1468 if (!f
|| fscanf(f
, "%d %d", &min
, &max
) < 2) {
1475 return port
>= min
&& port
<= max
;
1479 static const char *__resolve_service(int port
)
1483 for (c
= rlist
; c
; c
= c
->next
) {
1484 if (c
->port
== port
&& c
->proto
== dg_proto
)
1488 if (!is_ephemeral(port
)) {
1489 static int notfirst
;
1496 se
= getservbyport(htons(port
), dg_proto
);
1504 #define SCACHE_BUCKETS 1024
1505 static struct scache
*cache_htab
[SCACHE_BUCKETS
];
1507 static const char *resolve_service(int port
)
1509 static char buf
[128];
1520 if (!resolve_services
)
1523 if (dg_proto
== RAW_PROTO
)
1524 return inet_proto_n2a(port
, buf
, sizeof(buf
));
1527 hash
= (port
^(((unsigned long)dg_proto
)>>2)) % SCACHE_BUCKETS
;
1529 for (c
= cache_htab
[hash
]; c
; c
= c
->next
) {
1530 if (c
->port
== port
&& c
->proto
== dg_proto
)
1534 c
= malloc(sizeof(*c
));
1537 res
= __resolve_service(port
);
1539 c
->name
= res
? strdup(res
) : NULL
;
1540 c
->proto
= dg_proto
;
1541 c
->next
= cache_htab
[hash
];
1542 cache_htab
[hash
] = c
;
1549 sprintf(buf
, "%u", port
);
1553 static void inet_addr_print(const inet_prefix
*a
, int port
,
1554 unsigned int ifindex
, bool v6only
)
1557 const char *ap
= buf
;
1558 const char *ifname
= NULL
;
1560 if (a
->family
== AF_INET
) {
1561 ap
= format_host(AF_INET
, 4, a
->data
);
1564 !memcmp(a
->data
, &in6addr_any
, sizeof(in6addr_any
))) {
1568 ap
= format_host(a
->family
, 16, a
->data
);
1570 /* Numeric IPv6 addresses should be bracketed */
1571 if (strchr(ap
, ':')) {
1572 snprintf(buf
, sizeof(buf
),
1580 ifname
= ll_index_to_name(ifindex
);
1582 sock_addr_print(ap
, ":", resolve_service(port
), ifname
);
1591 struct aafilter
*next
;
1594 static int inet2_addr_match(const inet_prefix
*a
, const inet_prefix
*p
,
1597 if (!inet_addr_match(a
, p
, plen
))
1600 /* Cursed "v4 mapped" addresses: v4 mapped socket matches
1601 * pure IPv4 rule, but v4-mapped rule selects only v4-mapped
1603 if (p
->family
== AF_INET
&& a
->family
== AF_INET6
) {
1604 if (a
->data
[0] == 0 && a
->data
[1] == 0 &&
1605 a
->data
[2] == htonl(0xffff)) {
1606 inet_prefix tmp
= *a
;
1608 tmp
.data
[0] = a
->data
[3];
1609 return inet_addr_match(&tmp
, p
, plen
);
1615 static int unix_match(const inet_prefix
*a
, const inet_prefix
*p
)
1617 char *addr
, *pattern
;
1619 memcpy(&addr
, a
->data
, sizeof(addr
));
1620 memcpy(&pattern
, p
->data
, sizeof(pattern
));
1621 if (pattern
== NULL
)
1625 return !fnmatch(pattern
, addr
, 0);
1628 static int run_ssfilter(struct ssfilter
*f
, struct sockstat
*s
)
1633 if (s
->local
.family
== AF_UNIX
) {
1636 memcpy(&p
, s
->local
.data
, sizeof(p
));
1637 return p
== NULL
|| (p
[0] == '@' && strlen(p
) == 6 &&
1638 strspn(p
+1, "0123456789abcdef") == 5);
1640 if (s
->local
.family
== AF_PACKET
)
1641 return s
->lport
== 0 && s
->local
.data
[0] == 0;
1642 if (s
->local
.family
== AF_NETLINK
)
1643 return s
->lport
< 0;
1644 if (s
->local
.family
== AF_VSOCK
)
1645 return s
->lport
> 1023;
1647 return is_ephemeral(s
->lport
);
1651 struct aafilter
*a
= (void *)f
->pred
;
1653 if (a
->addr
.family
== AF_UNIX
)
1654 return unix_match(&s
->remote
, &a
->addr
);
1655 if (a
->port
!= -1 && a
->port
!= s
->rport
)
1657 if (a
->addr
.bitlen
) {
1659 if (!inet2_addr_match(&s
->remote
, &a
->addr
, a
->addr
.bitlen
))
1661 } while ((a
= a
->next
) != NULL
);
1668 struct aafilter
*a
= (void *)f
->pred
;
1670 if (a
->addr
.family
== AF_UNIX
)
1671 return unix_match(&s
->local
, &a
->addr
);
1672 if (a
->port
!= -1 && a
->port
!= s
->lport
)
1674 if (a
->addr
.bitlen
) {
1676 if (!inet2_addr_match(&s
->local
, &a
->addr
, a
->addr
.bitlen
))
1678 } while ((a
= a
->next
) != NULL
);
1685 struct aafilter
*a
= (void *)f
->pred
;
1687 return s
->rport
>= a
->port
;
1691 struct aafilter
*a
= (void *)f
->pred
;
1693 return s
->rport
<= a
->port
;
1697 struct aafilter
*a
= (void *)f
->pred
;
1699 return s
->lport
>= a
->port
;
1703 struct aafilter
*a
= (void *)f
->pred
;
1705 return s
->lport
<= a
->port
;
1709 struct aafilter
*a
= (void *)f
->pred
;
1711 return s
->iface
== a
->iface
;
1715 struct aafilter
*a
= (void *)f
->pred
;
1717 return (s
->mark
& a
->mask
) == a
->mark
;
1719 /* Yup. It is recursion. Sorry. */
1721 return run_ssfilter(f
->pred
, s
) && run_ssfilter(f
->post
, s
);
1723 return run_ssfilter(f
->pred
, s
) || run_ssfilter(f
->post
, s
);
1725 return !run_ssfilter(f
->pred
, s
);
1731 /* Relocate external jumps by reloc. */
1732 static void ssfilter_patch(char *a
, int len
, int reloc
)
1735 struct inet_diag_bc_op
*op
= (struct inet_diag_bc_op
*)a
;
1737 if (op
->no
== len
+4)
1746 static int ssfilter_bytecompile(struct ssfilter
*f
, char **bytecode
)
1751 if (!(*bytecode
= malloc(4))) abort();
1752 ((struct inet_diag_bc_op
*)*bytecode
)[0] = (struct inet_diag_bc_op
){ INET_DIAG_BC_AUTO
, 4, 8 };
1758 struct aafilter
*a
= (void *)f
->pred
;
1761 int code
= (f
->type
== SSF_DCOND
? INET_DIAG_BC_D_COND
: INET_DIAG_BC_S_COND
);
1764 for (b
= a
; b
; b
= b
->next
) {
1765 len
+= 4 + sizeof(struct inet_diag_hostcond
);
1766 if (a
->addr
.family
== AF_INET6
)
1773 if (!(ptr
= malloc(len
))) abort();
1775 for (b
= a
; b
; b
= b
->next
) {
1776 struct inet_diag_bc_op
*op
= (struct inet_diag_bc_op
*)ptr
;
1777 int alen
= (a
->addr
.family
== AF_INET6
? 16 : 4);
1778 int oplen
= alen
+ 4 + sizeof(struct inet_diag_hostcond
);
1779 struct inet_diag_hostcond
*cond
= (struct inet_diag_hostcond
*)(ptr
+4);
1781 *op
= (struct inet_diag_bc_op
){ code
, oplen
, oplen
+4 };
1782 cond
->family
= a
->addr
.family
;
1783 cond
->port
= a
->port
;
1784 cond
->prefix_len
= a
->addr
.bitlen
;
1785 memcpy(cond
->addr
, a
->addr
.data
, alen
);
1788 op
= (struct inet_diag_bc_op
*)ptr
;
1789 *op
= (struct inet_diag_bc_op
){ INET_DIAG_BC_JMP
, 4, len
- (ptr
-*bytecode
)};
1793 return ptr
- *bytecode
;
1797 struct aafilter
*x
= (void *)f
->pred
;
1799 if (!(*bytecode
= malloc(8))) abort();
1800 ((struct inet_diag_bc_op
*)*bytecode
)[0] = (struct inet_diag_bc_op
){ INET_DIAG_BC_D_GE
, 8, 12 };
1801 ((struct inet_diag_bc_op
*)*bytecode
)[1] = (struct inet_diag_bc_op
){ 0, 0, x
->port
};
1806 struct aafilter
*x
= (void *)f
->pred
;
1808 if (!(*bytecode
= malloc(8))) abort();
1809 ((struct inet_diag_bc_op
*)*bytecode
)[0] = (struct inet_diag_bc_op
){ INET_DIAG_BC_D_LE
, 8, 12 };
1810 ((struct inet_diag_bc_op
*)*bytecode
)[1] = (struct inet_diag_bc_op
){ 0, 0, x
->port
};
1815 struct aafilter
*x
= (void *)f
->pred
;
1817 if (!(*bytecode
= malloc(8))) abort();
1818 ((struct inet_diag_bc_op
*)*bytecode
)[0] = (struct inet_diag_bc_op
){ INET_DIAG_BC_S_GE
, 8, 12 };
1819 ((struct inet_diag_bc_op
*)*bytecode
)[1] = (struct inet_diag_bc_op
){ 0, 0, x
->port
};
1824 struct aafilter
*x
= (void *)f
->pred
;
1826 if (!(*bytecode
= malloc(8))) abort();
1827 ((struct inet_diag_bc_op
*)*bytecode
)[0] = (struct inet_diag_bc_op
){ INET_DIAG_BC_S_LE
, 8, 12 };
1828 ((struct inet_diag_bc_op
*)*bytecode
)[1] = (struct inet_diag_bc_op
){ 0, 0, x
->port
};
1834 char *a1
= NULL
, *a2
= NULL
, *a
;
1837 l1
= ssfilter_bytecompile(f
->pred
, &a1
);
1838 l2
= ssfilter_bytecompile(f
->post
, &a2
);
1844 if (!(a
= malloc(l1
+l2
))) abort();
1846 memcpy(a
+l1
, a2
, l2
);
1848 ssfilter_patch(a
, l1
, l2
);
1854 char *a1
= NULL
, *a2
= NULL
, *a
;
1857 l1
= ssfilter_bytecompile(f
->pred
, &a1
);
1858 l2
= ssfilter_bytecompile(f
->post
, &a2
);
1864 if (!(a
= malloc(l1
+l2
+4))) abort();
1866 memcpy(a
+l1
+4, a2
, l2
);
1868 *(struct inet_diag_bc_op
*)(a
+l1
) = (struct inet_diag_bc_op
){ INET_DIAG_BC_JMP
, 4, l2
+4 };
1874 char *a1
= NULL
, *a
;
1877 l1
= ssfilter_bytecompile(f
->pred
, &a1
);
1882 if (!(a
= malloc(l1
+4))) abort();
1885 *(struct inet_diag_bc_op
*)(a
+l1
) = (struct inet_diag_bc_op
){ INET_DIAG_BC_JMP
, 4, 8 };
1891 /* bytecompile for SSF_DEVCOND not supported yet */
1896 struct aafilter
*a
= (void *)f
->pred
;
1898 struct inet_diag_bc_op op
;
1899 struct inet_diag_markcond cond
;
1901 int inslen
= sizeof(struct instr
);
1903 if (!(*bytecode
= malloc(inslen
))) abort();
1904 ((struct instr
*)*bytecode
)[0] = (struct instr
) {
1905 { INET_DIAG_BC_MARK_COND
, inslen
, inslen
+ 4 },
1906 { a
->mark
, a
->mask
},
1916 static int remember_he(struct aafilter
*a
, struct hostent
*he
)
1918 char **ptr
= he
->h_addr_list
;
1922 if (he
->h_addrtype
== AF_INET
)
1924 else if (he
->h_addrtype
== AF_INET6
)
1930 struct aafilter
*b
= a
;
1932 if (a
->addr
.bitlen
) {
1933 if ((b
= malloc(sizeof(*b
))) == NULL
)
1938 memcpy(b
->addr
.data
, *ptr
, len
);
1939 b
->addr
.bytelen
= len
;
1940 b
->addr
.bitlen
= len
*8;
1941 b
->addr
.family
= he
->h_addrtype
;
1948 static int get_dns_host(struct aafilter
*a
, const char *addr
, int fam
)
1950 static int notfirst
;
1959 he
= gethostbyname2(addr
, fam
== AF_UNSPEC
? AF_INET
: fam
);
1961 cnt
= remember_he(a
, he
);
1962 if (fam
== AF_UNSPEC
) {
1963 he
= gethostbyname2(addr
, AF_INET6
);
1965 cnt
+= remember_he(a
, he
);
1970 static int xll_initted
;
1972 static void xll_init(void)
1974 struct rtnl_handle rth
;
1976 if (rtnl_open(&rth
, 0) < 0)
1984 static const char *xll_index_to_name(int index
)
1988 return ll_index_to_name(index
);
1991 static int xll_name_to_index(const char *dev
)
1995 return ll_name_to_index(dev
);
1998 void *parse_devcond(char *name
)
2000 struct aafilter a
= { .iface
= 0 };
2001 struct aafilter
*res
;
2003 a
.iface
= xll_name_to_index(name
);
2008 n
= strtoul(name
, &end
, 0);
2009 if (!end
|| end
== name
|| *end
|| n
> UINT_MAX
)
2015 res
= malloc(sizeof(*res
));
2021 static void vsock_set_inet_prefix(inet_prefix
*a
, __u32 cid
)
2024 .bytelen
= sizeof(cid
),
2027 memcpy(a
->data
, &cid
, sizeof(cid
));
2030 void *parse_hostcond(char *addr
, bool is_port
)
2033 struct aafilter a
= { .port
= -1 };
2034 struct aafilter
*res
;
2035 int fam
= preferred_family
;
2036 struct filter
*f
= ¤t_filter
;
2038 if (fam
== AF_UNIX
|| strncmp(addr
, "unix:", 5) == 0) {
2041 a
.addr
.family
= AF_UNIX
;
2042 if (strncmp(addr
, "unix:", 5) == 0)
2045 a
.addr
.bitlen
= 8*strlen(p
);
2046 memcpy(a
.addr
.data
, &p
, sizeof(p
));
2051 if (fam
== AF_PACKET
|| strncmp(addr
, "link:", 5) == 0) {
2052 a
.addr
.family
= AF_PACKET
;
2054 if (strncmp(addr
, "link:", 5) == 0)
2056 port
= strchr(addr
, ':');
2059 if (port
[1] && strcmp(port
+1, "*")) {
2060 if (get_integer(&a
.port
, port
+1, 0)) {
2061 if ((a
.port
= xll_name_to_index(port
+1)) <= 0)
2066 if (addr
[0] && strcmp(addr
, "*")) {
2070 if (ll_proto_a2n(&tmp
, addr
))
2072 a
.addr
.data
[0] = ntohs(tmp
);
2078 if (fam
== AF_NETLINK
|| strncmp(addr
, "netlink:", 8) == 0) {
2079 a
.addr
.family
= AF_NETLINK
;
2081 if (strncmp(addr
, "netlink:", 8) == 0)
2083 port
= strchr(addr
, ':');
2086 if (port
[1] && strcmp(port
+1, "*")) {
2087 if (get_integer(&a
.port
, port
+1, 0)) {
2088 if (strcmp(port
+1, "kernel") == 0)
2095 if (addr
[0] && strcmp(addr
, "*")) {
2097 if (nl_proto_a2n(&a
.addr
.data
[0], addr
) == -1)
2104 if (fam
== AF_VSOCK
|| strncmp(addr
, "vsock:", 6) == 0) {
2105 __u32 cid
= ~(__u32
)0;
2107 a
.addr
.family
= AF_VSOCK
;
2108 if (strncmp(addr
, "vsock:", 6) == 0)
2114 port
= strchr(addr
, ':');
2121 if (port
&& strcmp(port
, "*") &&
2122 get_u32((__u32
*)&a
.port
, port
, 0))
2125 if (addr
[0] && strcmp(addr
, "*")) {
2127 if (get_u32(&cid
, addr
, 0))
2130 vsock_set_inet_prefix(&a
.addr
, cid
);
2135 if (fam
== AF_INET
|| !strncmp(addr
, "inet:", 5)) {
2137 if (!strncmp(addr
, "inet:", 5))
2139 } else if (fam
== AF_INET6
|| !strncmp(addr
, "inet6:", 6)) {
2141 if (!strncmp(addr
, "inet6:", 6))
2145 /* URL-like literal [] */
2146 if (addr
[0] == '[') {
2148 if ((port
= strchr(addr
, ']')) == NULL
)
2151 } else if (addr
[0] == '*') {
2154 port
= strrchr(strchr(addr
, '/') ? : addr
, ':');
2160 if (port
&& *port
) {
2164 if (*port
&& *port
!= '*') {
2165 if (get_integer(&a
.port
, port
, 0)) {
2166 struct servent
*se1
= NULL
;
2167 struct servent
*se2
= NULL
;
2169 if (current_filter
.dbs
&(1<<UDP_DB
))
2170 se1
= getservbyname(port
, UDP_PROTO
);
2171 if (current_filter
.dbs
&(1<<TCP_DB
))
2172 se2
= getservbyname(port
, TCP_PROTO
);
2173 if (se1
&& se2
&& se1
->s_port
!= se2
->s_port
) {
2174 fprintf(stderr
, "Error: ambiguous port \"%s\".\n", port
);
2180 a
.port
= ntohs(se1
->s_port
);
2184 for (s
= rlist
; s
; s
= s
->next
) {
2185 if ((s
->proto
== UDP_PROTO
&&
2186 (current_filter
.dbs
&(1<<UDP_DB
))) ||
2187 (s
->proto
== TCP_PROTO
&&
2188 (current_filter
.dbs
&(1<<TCP_DB
)))) {
2189 if (s
->name
&& strcmp(s
->name
, port
) == 0) {
2190 if (a
.port
> 0 && a
.port
!= s
->port
) {
2191 fprintf(stderr
, "Error: ambiguous port \"%s\".\n", port
);
2199 fprintf(stderr
, "Error: \"%s\" does not look like a port.\n", port
);
2206 if (!is_port
&& *addr
&& *addr
!= '*') {
2207 if (get_prefix_1(&a
.addr
, addr
, fam
)) {
2208 if (get_dns_host(&a
, addr
, fam
)) {
2209 fprintf(stderr
, "Error: an inet prefix is expected rather than \"%s\".\n", addr
);
2216 if (fam
!= AF_UNSPEC
) {
2217 int states
= f
->states
;
2219 filter_af_set(f
, fam
);
2220 filter_states_set(f
, states
);
2223 res
= malloc(sizeof(*res
));
2225 memcpy(res
, &a
, sizeof(a
));
2229 void *parse_markmask(const char *markmask
)
2231 struct aafilter a
, *res
;
2233 if (strchr(markmask
, '/')) {
2234 if (sscanf(markmask
, "%i/%i", &a
.mark
, &a
.mask
) != 2)
2237 a
.mask
= 0xffffffff;
2238 if (sscanf(markmask
, "%i", &a
.mark
) != 1)
2242 res
= malloc(sizeof(*res
));
2244 memcpy(res
, &a
, sizeof(a
));
2248 static void proc_ctx_print(struct sockstat
*s
)
2252 if (show_proc_ctx
|| show_sock_ctx
) {
2253 if (find_entry(s
->ino
, &buf
,
2254 (show_proc_ctx
& show_sock_ctx
) ?
2255 PROC_SOCK_CTX
: PROC_CTX
) > 0) {
2256 out(" users:(%s)", buf
);
2259 } else if (show_users
) {
2260 if (find_entry(s
->ino
, &buf
, USERS
) > 0) {
2261 out(" users:(%s)", buf
);
2267 static void inet_stats_print(struct sockstat
*s
, bool v6only
)
2269 sock_state_print(s
);
2271 inet_addr_print(&s
->local
, s
->lport
, s
->iface
, v6only
);
2272 inet_addr_print(&s
->remote
, s
->rport
, 0, v6only
);
2277 static int proc_parse_inet_addr(char *loc
, char *rem
, int family
, struct
2280 s
->local
.family
= s
->remote
.family
= family
;
2281 if (family
== AF_INET
) {
2282 sscanf(loc
, "%x:%x", s
->local
.data
, (unsigned *)&s
->lport
);
2283 sscanf(rem
, "%x:%x", s
->remote
.data
, (unsigned *)&s
->rport
);
2284 s
->local
.bytelen
= s
->remote
.bytelen
= 4;
2287 sscanf(loc
, "%08x%08x%08x%08x:%x",
2293 sscanf(rem
, "%08x%08x%08x%08x:%x",
2299 s
->local
.bytelen
= s
->remote
.bytelen
= 16;
2305 static int proc_inet_split_line(char *line
, char **loc
, char **rem
, char **data
)
2309 if ((p
= strchr(line
, ':')) == NULL
)
2313 if ((p
= strchr(*loc
, ':')) == NULL
)
2318 if ((p
= strchr(*rem
, ':')) == NULL
)
2326 static char *sprint_bw(char *buf
, double bw
)
2329 sprintf(buf
, "%.1fM", bw
/ 1000000.);
2330 else if (bw
> 1000.)
2331 sprintf(buf
, "%.1fK", bw
/ 1000.);
2333 sprintf(buf
, "%g", bw
);
2338 static void sctp_stats_print(struct sctp_info
*s
)
2341 out(" tag:%x", s
->sctpi_tag
);
2343 out(" state:%s", sctp_sstate_name
[s
->sctpi_state
]);
2345 out(" rwnd:%d", s
->sctpi_rwnd
);
2346 if (s
->sctpi_unackdata
)
2347 out(" unackdata:%d", s
->sctpi_unackdata
);
2348 if (s
->sctpi_penddata
)
2349 out(" penddata:%d", s
->sctpi_penddata
);
2350 if (s
->sctpi_instrms
)
2351 out(" instrms:%d", s
->sctpi_instrms
);
2352 if (s
->sctpi_outstrms
)
2353 out(" outstrms:%d", s
->sctpi_outstrms
);
2354 if (s
->sctpi_inqueue
)
2355 out(" inqueue:%d", s
->sctpi_inqueue
);
2356 if (s
->sctpi_outqueue
)
2357 out(" outqueue:%d", s
->sctpi_outqueue
);
2358 if (s
->sctpi_overall_error
)
2359 out(" overerr:%d", s
->sctpi_overall_error
);
2360 if (s
->sctpi_max_burst
)
2361 out(" maxburst:%d", s
->sctpi_max_burst
);
2362 if (s
->sctpi_maxseg
)
2363 out(" maxseg:%d", s
->sctpi_maxseg
);
2364 if (s
->sctpi_peer_rwnd
)
2365 out(" prwnd:%d", s
->sctpi_peer_rwnd
);
2366 if (s
->sctpi_peer_tag
)
2367 out(" ptag:%x", s
->sctpi_peer_tag
);
2368 if (s
->sctpi_peer_capable
)
2369 out(" pcapable:%d", s
->sctpi_peer_capable
);
2370 if (s
->sctpi_peer_sack
)
2371 out(" psack:%d", s
->sctpi_peer_sack
);
2372 if (s
->sctpi_s_autoclose
)
2373 out(" autoclose:%d", s
->sctpi_s_autoclose
);
2374 if (s
->sctpi_s_adaptation_ind
)
2375 out(" adapind:%d", s
->sctpi_s_adaptation_ind
);
2376 if (s
->sctpi_s_pd_point
)
2377 out(" pdpoint:%d", s
->sctpi_s_pd_point
);
2378 if (s
->sctpi_s_nodelay
)
2379 out(" nodealy:%d", s
->sctpi_s_nodelay
);
2380 if (s
->sctpi_s_disable_fragments
)
2381 out(" nofrag:%d", s
->sctpi_s_disable_fragments
);
2382 if (s
->sctpi_s_v4mapped
)
2383 out(" v4mapped:%d", s
->sctpi_s_v4mapped
);
2384 if (s
->sctpi_s_frag_interleave
)
2385 out(" fraginl:%d", s
->sctpi_s_frag_interleave
);
2388 static void tcp_stats_print(struct tcpstat
*s
)
2394 if (s
->has_sack_opt
)
2398 if (s
->has_ecnseen_opt
)
2400 if (s
->has_fastopen_opt
)
2403 out(" %s", s
->cong_alg
);
2404 if (s
->has_wscale_opt
)
2405 out(" wscale:%d,%d", s
->snd_wscale
, s
->rcv_wscale
);
2407 out(" rto:%g", s
->rto
);
2409 out(" backoff:%u", s
->backoff
);
2411 out(" rtt:%g/%g", s
->rtt
, s
->rttvar
);
2413 out(" ato:%g", s
->ato
);
2416 out(" qack:%d", s
->qack
);
2421 out(" mss:%d", s
->mss
);
2423 out(" pmtu:%u", s
->pmtu
);
2425 out(" rcvmss:%d", s
->rcv_mss
);
2427 out(" advmss:%d", s
->advmss
);
2429 out(" cwnd:%u", s
->cwnd
);
2431 out(" ssthresh:%d", s
->ssthresh
);
2434 out(" bytes_sent:%llu", s
->bytes_sent
);
2435 if (s
->bytes_retrans
)
2436 out(" bytes_retrans:%llu", s
->bytes_retrans
);
2438 out(" bytes_acked:%llu", s
->bytes_acked
);
2439 if (s
->bytes_received
)
2440 out(" bytes_received:%llu", s
->bytes_received
);
2442 out(" segs_out:%u", s
->segs_out
);
2444 out(" segs_in:%u", s
->segs_in
);
2445 if (s
->data_segs_out
)
2446 out(" data_segs_out:%u", s
->data_segs_out
);
2447 if (s
->data_segs_in
)
2448 out(" data_segs_in:%u", s
->data_segs_in
);
2450 if (s
->dctcp
&& s
->dctcp
->enabled
) {
2451 struct dctcpstat
*dctcp
= s
->dctcp
;
2453 out(" dctcp:(ce_state:%u,alpha:%u,ab_ecn:%u,ab_tot:%u)",
2454 dctcp
->ce_state
, dctcp
->alpha
, dctcp
->ab_ecn
,
2456 } else if (s
->dctcp
) {
2457 out(" dctcp:fallback_mode");
2463 bw
= s
->bbr_info
->bbr_bw_hi
;
2465 bw
|= s
->bbr_info
->bbr_bw_lo
;
2467 out(" bbr:(bw:%sbps,mrtt:%g",
2468 sprint_bw(b1
, bw
* 8.0),
2469 (double)s
->bbr_info
->bbr_min_rtt
/ 1000.0);
2470 if (s
->bbr_info
->bbr_pacing_gain
)
2471 out(",pacing_gain:%g",
2472 (double)s
->bbr_info
->bbr_pacing_gain
/ 256.0);
2473 if (s
->bbr_info
->bbr_cwnd_gain
)
2474 out(",cwnd_gain:%g",
2475 (double)s
->bbr_info
->bbr_cwnd_gain
/ 256.0);
2480 out(" send %sbps", sprint_bw(b1
, s
->send_bps
));
2482 out(" lastsnd:%u", s
->lastsnd
);
2484 out(" lastrcv:%u", s
->lastrcv
);
2486 out(" lastack:%u", s
->lastack
);
2488 if (s
->pacing_rate
) {
2489 out(" pacing_rate %sbps", sprint_bw(b1
, s
->pacing_rate
));
2490 if (s
->pacing_rate_max
)
2491 out("/%sbps", sprint_bw(b1
, s
->pacing_rate_max
));
2494 if (s
->delivery_rate
)
2495 out(" delivery_rate %sbps", sprint_bw(b1
, s
->delivery_rate
));
2497 out(" delivered:%u", s
->delivered
);
2498 if (s
->delivered_ce
)
2499 out(" delivered_ce:%u", s
->delivered_ce
);
2501 out(" app_limited");
2504 out(" busy:%llums", s
->busy_time
/ 1000);
2505 if (s
->rwnd_limited
)
2506 out(" rwnd_limited:%llums(%.1f%%)",
2507 s
->rwnd_limited
/ 1000,
2508 100.0 * s
->rwnd_limited
/ s
->busy_time
);
2509 if (s
->sndbuf_limited
)
2510 out(" sndbuf_limited:%llums(%.1f%%)",
2511 s
->sndbuf_limited
/ 1000,
2512 100.0 * s
->sndbuf_limited
/ s
->busy_time
);
2516 out(" unacked:%u", s
->unacked
);
2517 if (s
->retrans
|| s
->retrans_total
)
2518 out(" retrans:%u/%u", s
->retrans
, s
->retrans_total
);
2520 out(" lost:%u", s
->lost
);
2521 if (s
->sacked
&& s
->ss
.state
!= SS_LISTEN
)
2522 out(" sacked:%u", s
->sacked
);
2524 out(" dsack_dups:%u", s
->dsack_dups
);
2526 out(" fackets:%u", s
->fackets
);
2527 if (s
->reordering
!= 3)
2528 out(" reordering:%d", s
->reordering
);
2530 out(" reord_seen:%d", s
->reord_seen
);
2532 out(" rcv_rtt:%g", s
->rcv_rtt
);
2534 out(" rcv_space:%d", s
->rcv_space
);
2535 if (s
->rcv_ssthresh
)
2536 out(" rcv_ssthresh:%u", s
->rcv_ssthresh
);
2538 out(" notsent:%u", s
->not_sent
);
2540 out(" minrtt:%g", s
->min_rtt
);
2543 static void tcp_timer_print(struct tcpstat
*s
)
2545 static const char * const tmr_name
[] = {
2557 out(" timer:(%s,%s,%d)",
2559 print_ms_timer(s
->timeout
),
2564 static void sctp_timer_print(struct tcpstat
*s
)
2567 out(" timer:(T3_RTX,%s,%d)",
2568 print_ms_timer(s
->timeout
), s
->retrans
);
2571 static int tcp_show_line(char *line
, const struct filter
*f
, int family
)
2573 int rto
= 0, ato
= 0;
2574 struct tcpstat s
= {};
2575 char *loc
, *rem
, *data
;
2578 int hz
= get_user_hz();
2580 if (proc_inet_split_line(line
, &loc
, &rem
, &data
))
2583 int state
= (data
[1] >= 'A') ? (data
[1] - 'A' + 10) : (data
[1] - '0');
2585 if (!(f
->states
& (1 << state
)))
2588 proc_parse_inet_addr(loc
, rem
, family
, &s
.ss
);
2590 if (f
->f
&& run_ssfilter(f
->f
, &s
.ss
) == 0)
2594 n
= sscanf(data
, "%x %x:%x %x:%x %x %d %d %u %d %llx %d %d %d %u %d %[^\n]\n",
2595 &s
.ss
.state
, &s
.ss
.wq
, &s
.ss
.rq
,
2596 &s
.timer
, &s
.timeout
, &s
.retrans
, &s
.ss
.uid
, &s
.probes
,
2597 &s
.ss
.ino
, &s
.ss
.refcnt
, &s
.ss
.sk
, &rto
, &ato
, &s
.qack
, &s
.cwnd
,
2610 s
.retrans
= s
.timer
!= 1 ? s
.probes
: s
.retrans
;
2611 s
.timeout
= (s
.timeout
* 1000 + hz
- 1) / hz
;
2612 s
.ato
= (double)ato
/ hz
;
2614 s
.rto
= (double)rto
;
2615 s
.ssthresh
= s
.ssthresh
== -1 ? 0 : s
.ssthresh
;
2616 s
.rto
= s
.rto
!= 3 * hz
? s
.rto
/ hz
: 0;
2617 s
.ss
.type
= IPPROTO_TCP
;
2619 inet_stats_print(&s
.ss
, false);
2622 tcp_timer_print(&s
);
2625 sock_details_print(&s
.ss
);
2627 out(" opt:\"%s\"", opt
);
2631 tcp_stats_print(&s
);
2636 static int generic_record_read(FILE *fp
,
2637 int (*worker
)(char*, const struct filter
*, int),
2638 const struct filter
*f
, int fam
)
2643 if (fgets(line
, sizeof(line
), fp
) == NULL
)
2646 while (fgets(line
, sizeof(line
), fp
) != NULL
) {
2647 int n
= strlen(line
);
2649 if (n
== 0 || line
[n
-1] != '\n') {
2655 if (worker(line
, f
, fam
) < 0)
2660 return ferror(fp
) ? -1 : 0;
2663 static void print_skmeminfo(struct rtattr
*tb
[], int attrtype
)
2665 const __u32
*skmeminfo
;
2667 if (!tb
[attrtype
]) {
2668 if (attrtype
== INET_DIAG_SKMEMINFO
) {
2669 if (!tb
[INET_DIAG_MEMINFO
])
2672 const struct inet_diag_meminfo
*minfo
=
2673 RTA_DATA(tb
[INET_DIAG_MEMINFO
]);
2675 out(" mem:(r%u,w%u,f%u,t%u)",
2684 skmeminfo
= RTA_DATA(tb
[attrtype
]);
2686 out(" skmem:(r%u,rb%u,t%u,tb%u,f%u,w%u,o%u",
2687 skmeminfo
[SK_MEMINFO_RMEM_ALLOC
],
2688 skmeminfo
[SK_MEMINFO_RCVBUF
],
2689 skmeminfo
[SK_MEMINFO_WMEM_ALLOC
],
2690 skmeminfo
[SK_MEMINFO_SNDBUF
],
2691 skmeminfo
[SK_MEMINFO_FWD_ALLOC
],
2692 skmeminfo
[SK_MEMINFO_WMEM_QUEUED
],
2693 skmeminfo
[SK_MEMINFO_OPTMEM
]);
2695 if (RTA_PAYLOAD(tb
[attrtype
]) >=
2696 (SK_MEMINFO_BACKLOG
+ 1) * sizeof(__u32
))
2697 out(",bl%u", skmeminfo
[SK_MEMINFO_BACKLOG
]);
2699 if (RTA_PAYLOAD(tb
[attrtype
]) >=
2700 (SK_MEMINFO_DROPS
+ 1) * sizeof(__u32
))
2701 out(",d%u", skmeminfo
[SK_MEMINFO_DROPS
]);
2706 static void print_md5sig(struct tcp_diag_md5sig
*sig
)
2709 format_host(sig
->tcpm_family
,
2710 sig
->tcpm_family
== AF_INET6
? 16 : 4,
2712 sig
->tcpm_prefixlen
);
2713 print_escape_buf(sig
->tcpm_key
, sig
->tcpm_keylen
, " ,");
2716 #define TCPI_HAS_OPT(info, opt) !!(info->tcpi_options & (opt))
2718 static void tcp_show_info(const struct nlmsghdr
*nlh
, struct inet_diag_msg
*r
,
2719 struct rtattr
*tb
[])
2722 struct tcpstat s
= {};
2724 s
.ss
.state
= r
->idiag_state
;
2726 print_skmeminfo(tb
, INET_DIAG_SKMEMINFO
);
2728 if (tb
[INET_DIAG_INFO
]) {
2729 struct tcp_info
*info
;
2730 int len
= RTA_PAYLOAD(tb
[INET_DIAG_INFO
]);
2732 /* workaround for older kernels with less fields */
2733 if (len
< sizeof(*info
)) {
2734 info
= alloca(sizeof(*info
));
2735 memcpy(info
, RTA_DATA(tb
[INET_DIAG_INFO
]), len
);
2736 memset((char *)info
+ len
, 0, sizeof(*info
) - len
);
2738 info
= RTA_DATA(tb
[INET_DIAG_INFO
]);
2741 s
.has_ts_opt
= TCPI_HAS_OPT(info
, TCPI_OPT_TIMESTAMPS
);
2742 s
.has_sack_opt
= TCPI_HAS_OPT(info
, TCPI_OPT_SACK
);
2743 s
.has_ecn_opt
= TCPI_HAS_OPT(info
, TCPI_OPT_ECN
);
2744 s
.has_ecnseen_opt
= TCPI_HAS_OPT(info
, TCPI_OPT_ECN_SEEN
);
2745 s
.has_fastopen_opt
= TCPI_HAS_OPT(info
, TCPI_OPT_SYN_DATA
);
2748 if (tb
[INET_DIAG_CONG
])
2750 rta_getattr_str(tb
[INET_DIAG_CONG
]),
2751 sizeof(s
.cong_alg
) - 1);
2753 if (TCPI_HAS_OPT(info
, TCPI_OPT_WSCALE
)) {
2754 s
.has_wscale_opt
= true;
2755 s
.snd_wscale
= info
->tcpi_snd_wscale
;
2756 s
.rcv_wscale
= info
->tcpi_rcv_wscale
;
2759 if (info
->tcpi_rto
&& info
->tcpi_rto
!= 3000000)
2760 s
.rto
= (double)info
->tcpi_rto
/ 1000;
2762 s
.backoff
= info
->tcpi_backoff
;
2763 s
.rtt
= (double)info
->tcpi_rtt
/ 1000;
2764 s
.rttvar
= (double)info
->tcpi_rttvar
/ 1000;
2765 s
.ato
= (double)info
->tcpi_ato
/ 1000;
2766 s
.mss
= info
->tcpi_snd_mss
;
2767 s
.rcv_mss
= info
->tcpi_rcv_mss
;
2768 s
.advmss
= info
->tcpi_advmss
;
2769 s
.rcv_space
= info
->tcpi_rcv_space
;
2770 s
.rcv_rtt
= (double)info
->tcpi_rcv_rtt
/ 1000;
2771 s
.lastsnd
= info
->tcpi_last_data_sent
;
2772 s
.lastrcv
= info
->tcpi_last_data_recv
;
2773 s
.lastack
= info
->tcpi_last_ack_recv
;
2774 s
.unacked
= info
->tcpi_unacked
;
2775 s
.retrans
= info
->tcpi_retrans
;
2776 s
.retrans_total
= info
->tcpi_total_retrans
;
2777 s
.lost
= info
->tcpi_lost
;
2778 s
.sacked
= info
->tcpi_sacked
;
2779 s
.fackets
= info
->tcpi_fackets
;
2780 s
.reordering
= info
->tcpi_reordering
;
2781 s
.rcv_ssthresh
= info
->tcpi_rcv_ssthresh
;
2782 s
.cwnd
= info
->tcpi_snd_cwnd
;
2783 s
.pmtu
= info
->tcpi_pmtu
;
2785 if (info
->tcpi_snd_ssthresh
< 0xFFFF)
2786 s
.ssthresh
= info
->tcpi_snd_ssthresh
;
2788 rtt
= (double) info
->tcpi_rtt
;
2789 if (tb
[INET_DIAG_VEGASINFO
]) {
2790 const struct tcpvegas_info
*vinfo
2791 = RTA_DATA(tb
[INET_DIAG_VEGASINFO
]);
2793 if (vinfo
->tcpv_enabled
&&
2794 vinfo
->tcpv_rtt
&& vinfo
->tcpv_rtt
!= 0x7fffffff)
2795 rtt
= vinfo
->tcpv_rtt
;
2798 if (tb
[INET_DIAG_DCTCPINFO
]) {
2799 struct dctcpstat
*dctcp
= malloc(sizeof(struct
2802 const struct tcp_dctcp_info
*dinfo
2803 = RTA_DATA(tb
[INET_DIAG_DCTCPINFO
]);
2805 dctcp
->enabled
= !!dinfo
->dctcp_enabled
;
2806 dctcp
->ce_state
= dinfo
->dctcp_ce_state
;
2807 dctcp
->alpha
= dinfo
->dctcp_alpha
;
2808 dctcp
->ab_ecn
= dinfo
->dctcp_ab_ecn
;
2809 dctcp
->ab_tot
= dinfo
->dctcp_ab_tot
;
2813 if (tb
[INET_DIAG_BBRINFO
]) {
2814 const void *bbr_info
= RTA_DATA(tb
[INET_DIAG_BBRINFO
]);
2815 int len
= min(RTA_PAYLOAD(tb
[INET_DIAG_BBRINFO
]),
2816 sizeof(*s
.bbr_info
));
2818 s
.bbr_info
= calloc(1, sizeof(*s
.bbr_info
));
2819 if (s
.bbr_info
&& bbr_info
)
2820 memcpy(s
.bbr_info
, bbr_info
, len
);
2823 if (rtt
> 0 && info
->tcpi_snd_mss
&& info
->tcpi_snd_cwnd
) {
2824 s
.send_bps
= (double) info
->tcpi_snd_cwnd
*
2825 (double)info
->tcpi_snd_mss
* 8000000. / rtt
;
2828 if (info
->tcpi_pacing_rate
&&
2829 info
->tcpi_pacing_rate
!= ~0ULL) {
2830 s
.pacing_rate
= info
->tcpi_pacing_rate
* 8.;
2832 if (info
->tcpi_max_pacing_rate
&&
2833 info
->tcpi_max_pacing_rate
!= ~0ULL)
2834 s
.pacing_rate_max
= info
->tcpi_max_pacing_rate
* 8.;
2836 s
.bytes_acked
= info
->tcpi_bytes_acked
;
2837 s
.bytes_received
= info
->tcpi_bytes_received
;
2838 s
.segs_out
= info
->tcpi_segs_out
;
2839 s
.segs_in
= info
->tcpi_segs_in
;
2840 s
.data_segs_out
= info
->tcpi_data_segs_out
;
2841 s
.data_segs_in
= info
->tcpi_data_segs_in
;
2842 s
.not_sent
= info
->tcpi_notsent_bytes
;
2843 if (info
->tcpi_min_rtt
&& info
->tcpi_min_rtt
!= ~0U)
2844 s
.min_rtt
= (double) info
->tcpi_min_rtt
/ 1000;
2845 s
.delivery_rate
= info
->tcpi_delivery_rate
* 8.;
2846 s
.app_limited
= info
->tcpi_delivery_rate_app_limited
;
2847 s
.busy_time
= info
->tcpi_busy_time
;
2848 s
.rwnd_limited
= info
->tcpi_rwnd_limited
;
2849 s
.sndbuf_limited
= info
->tcpi_sndbuf_limited
;
2850 s
.delivered
= info
->tcpi_delivered
;
2851 s
.delivered_ce
= info
->tcpi_delivered_ce
;
2852 s
.dsack_dups
= info
->tcpi_dsack_dups
;
2853 s
.reord_seen
= info
->tcpi_reord_seen
;
2854 s
.bytes_sent
= info
->tcpi_bytes_sent
;
2855 s
.bytes_retrans
= info
->tcpi_bytes_retrans
;
2856 tcp_stats_print(&s
);
2860 if (tb
[INET_DIAG_MD5SIG
]) {
2861 struct tcp_diag_md5sig
*sig
= RTA_DATA(tb
[INET_DIAG_MD5SIG
]);
2862 int len
= RTA_PAYLOAD(tb
[INET_DIAG_MD5SIG
]);
2865 print_md5sig(sig
++);
2866 for (len
-= sizeof(*sig
); len
> 0; len
-= sizeof(*sig
)) {
2868 print_md5sig(sig
++);
2873 static const char *format_host_sa(struct sockaddr_storage
*sa
)
2876 struct sockaddr_in sin
;
2877 struct sockaddr_in6 sin6
;
2878 } *saddr
= (void *)sa
;
2880 switch (sa
->ss_family
) {
2882 return format_host(AF_INET
, 4, &saddr
->sin
.sin_addr
);
2884 return format_host(AF_INET6
, 16, &saddr
->sin6
.sin6_addr
);
2890 static void sctp_show_info(const struct nlmsghdr
*nlh
, struct inet_diag_msg
*r
,
2891 struct rtattr
*tb
[])
2893 struct sockaddr_storage
*sa
;
2896 print_skmeminfo(tb
, INET_DIAG_SKMEMINFO
);
2898 if (tb
[INET_DIAG_LOCALS
]) {
2899 len
= RTA_PAYLOAD(tb
[INET_DIAG_LOCALS
]);
2900 sa
= RTA_DATA(tb
[INET_DIAG_LOCALS
]);
2902 out("locals:%s", format_host_sa(sa
));
2903 for (sa
++, len
-= sizeof(*sa
); len
> 0; sa
++, len
-= sizeof(*sa
))
2904 out(",%s", format_host_sa(sa
));
2907 if (tb
[INET_DIAG_PEERS
]) {
2908 len
= RTA_PAYLOAD(tb
[INET_DIAG_PEERS
]);
2909 sa
= RTA_DATA(tb
[INET_DIAG_PEERS
]);
2911 out(" peers:%s", format_host_sa(sa
));
2912 for (sa
++, len
-= sizeof(*sa
); len
> 0; sa
++, len
-= sizeof(*sa
))
2913 out(",%s", format_host_sa(sa
));
2915 if (tb
[INET_DIAG_INFO
]) {
2916 struct sctp_info
*info
;
2917 len
= RTA_PAYLOAD(tb
[INET_DIAG_INFO
]);
2919 /* workaround for older kernels with less fields */
2920 if (len
< sizeof(*info
)) {
2921 info
= alloca(sizeof(*info
));
2922 memcpy(info
, RTA_DATA(tb
[INET_DIAG_INFO
]), len
);
2923 memset((char *)info
+ len
, 0, sizeof(*info
) - len
);
2925 info
= RTA_DATA(tb
[INET_DIAG_INFO
]);
2927 sctp_stats_print(info
);
2931 static void parse_diag_msg(struct nlmsghdr
*nlh
, struct sockstat
*s
)
2933 struct rtattr
*tb
[INET_DIAG_MAX
+1];
2934 struct inet_diag_msg
*r
= NLMSG_DATA(nlh
);
2936 parse_rtattr(tb
, INET_DIAG_MAX
, (struct rtattr
*)(r
+1),
2937 nlh
->nlmsg_len
- NLMSG_LENGTH(sizeof(*r
)));
2939 s
->state
= r
->idiag_state
;
2940 s
->local
.family
= s
->remote
.family
= r
->idiag_family
;
2941 s
->lport
= ntohs(r
->id
.idiag_sport
);
2942 s
->rport
= ntohs(r
->id
.idiag_dport
);
2943 s
->wq
= r
->idiag_wqueue
;
2944 s
->rq
= r
->idiag_rqueue
;
2945 s
->ino
= r
->idiag_inode
;
2946 s
->uid
= r
->idiag_uid
;
2947 s
->iface
= r
->id
.idiag_if
;
2948 s
->sk
= cookie_sk_get(&r
->id
.idiag_cookie
[0]);
2951 if (tb
[INET_DIAG_MARK
])
2952 s
->mark
= rta_getattr_u32(tb
[INET_DIAG_MARK
]);
2953 if (tb
[INET_DIAG_PROTOCOL
])
2954 s
->raw_prot
= rta_getattr_u8(tb
[INET_DIAG_PROTOCOL
]);
2958 if (s
->local
.family
== AF_INET
)
2959 s
->local
.bytelen
= s
->remote
.bytelen
= 4;
2961 s
->local
.bytelen
= s
->remote
.bytelen
= 16;
2963 memcpy(s
->local
.data
, r
->id
.idiag_src
, s
->local
.bytelen
);
2964 memcpy(s
->remote
.data
, r
->id
.idiag_dst
, s
->local
.bytelen
);
2967 static int inet_show_sock(struct nlmsghdr
*nlh
,
2970 struct rtattr
*tb
[INET_DIAG_MAX
+1];
2971 struct inet_diag_msg
*r
= NLMSG_DATA(nlh
);
2972 unsigned char v6only
= 0;
2974 parse_rtattr(tb
, INET_DIAG_MAX
, (struct rtattr
*)(r
+1),
2975 nlh
->nlmsg_len
- NLMSG_LENGTH(sizeof(*r
)));
2977 if (tb
[INET_DIAG_PROTOCOL
])
2978 s
->type
= rta_getattr_u8(tb
[INET_DIAG_PROTOCOL
]);
2980 if (s
->local
.family
== AF_INET6
&& tb
[INET_DIAG_SKV6ONLY
])
2981 v6only
= rta_getattr_u8(tb
[INET_DIAG_SKV6ONLY
]);
2983 inet_stats_print(s
, v6only
);
2986 struct tcpstat t
= {};
2988 t
.timer
= r
->idiag_timer
;
2989 t
.timeout
= r
->idiag_expires
;
2990 t
.retrans
= r
->idiag_retrans
;
2991 if (s
->type
== IPPROTO_SCTP
)
2992 sctp_timer_print(&t
);
2994 tcp_timer_print(&t
);
2998 sock_details_print(s
);
2999 if (s
->local
.family
== AF_INET6
&& tb
[INET_DIAG_SKV6ONLY
])
3000 out(" v6only:%u", v6only
);
3002 if (tb
[INET_DIAG_SHUTDOWN
]) {
3005 mask
= rta_getattr_u8(tb
[INET_DIAG_SHUTDOWN
]);
3007 mask
& 1 ? '-' : '<', mask
& 2 ? '-' : '>');
3011 if (show_mem
|| (show_tcpinfo
&& s
->type
!= IPPROTO_UDP
)) {
3013 if (s
->type
== IPPROTO_SCTP
)
3014 sctp_show_info(nlh
, r
, tb
);
3016 tcp_show_info(nlh
, r
, tb
);
3023 static int tcpdiag_send(int fd
, int protocol
, struct filter
*f
)
3025 struct sockaddr_nl nladdr
= { .nl_family
= AF_NETLINK
};
3027 struct nlmsghdr nlh
;
3028 struct inet_diag_req r
;
3030 .nlh
.nlmsg_len
= sizeof(req
),
3031 .nlh
.nlmsg_flags
= NLM_F_ROOT
| NLM_F_MATCH
| NLM_F_REQUEST
,
3032 .nlh
.nlmsg_seq
= MAGIC_SEQ
,
3033 .r
.idiag_family
= AF_INET
,
3034 .r
.idiag_states
= f
->states
,
3040 struct iovec iov
[3];
3043 if (protocol
== IPPROTO_UDP
)
3046 if (protocol
== IPPROTO_TCP
)
3047 req
.nlh
.nlmsg_type
= TCPDIAG_GETSOCK
;
3049 req
.nlh
.nlmsg_type
= DCCPDIAG_GETSOCK
;
3051 req
.r
.idiag_ext
|= (1<<(INET_DIAG_MEMINFO
-1));
3052 req
.r
.idiag_ext
|= (1<<(INET_DIAG_SKMEMINFO
-1));
3056 req
.r
.idiag_ext
|= (1<<(INET_DIAG_INFO
-1));
3057 req
.r
.idiag_ext
|= (1<<(INET_DIAG_VEGASINFO
-1));
3058 req
.r
.idiag_ext
|= (1<<(INET_DIAG_CONG
-1));
3061 iov
[0] = (struct iovec
){
3063 .iov_len
= sizeof(req
)
3066 bclen
= ssfilter_bytecompile(f
->f
, &bc
);
3068 rta
.rta_type
= INET_DIAG_REQ_BYTECODE
;
3069 rta
.rta_len
= RTA_LENGTH(bclen
);
3070 iov
[1] = (struct iovec
){ &rta
, sizeof(rta
) };
3071 iov
[2] = (struct iovec
){ bc
, bclen
};
3072 req
.nlh
.nlmsg_len
+= RTA_LENGTH(bclen
);
3077 msg
= (struct msghdr
) {
3078 .msg_name
= (void *)&nladdr
,
3079 .msg_namelen
= sizeof(nladdr
),
3081 .msg_iovlen
= iovlen
,
3084 if (sendmsg(fd
, &msg
, 0) < 0) {
3092 static int sockdiag_send(int family
, int fd
, int protocol
, struct filter
*f
)
3094 struct sockaddr_nl nladdr
= { .nl_family
= AF_NETLINK
};
3095 DIAG_REQUEST(req
, struct inet_diag_req_v2 r
);
3100 struct iovec iov
[3];
3103 if (family
== PF_UNSPEC
)
3104 return tcpdiag_send(fd
, protocol
, f
);
3106 memset(&req
.r
, 0, sizeof(req
.r
));
3107 req
.r
.sdiag_family
= family
;
3108 req
.r
.sdiag_protocol
= protocol
;
3109 req
.r
.idiag_states
= f
->states
;
3111 req
.r
.idiag_ext
|= (1<<(INET_DIAG_MEMINFO
-1));
3112 req
.r
.idiag_ext
|= (1<<(INET_DIAG_SKMEMINFO
-1));
3116 req
.r
.idiag_ext
|= (1<<(INET_DIAG_INFO
-1));
3117 req
.r
.idiag_ext
|= (1<<(INET_DIAG_VEGASINFO
-1));
3118 req
.r
.idiag_ext
|= (1<<(INET_DIAG_CONG
-1));
3121 iov
[0] = (struct iovec
){
3123 .iov_len
= sizeof(req
)
3126 bclen
= ssfilter_bytecompile(f
->f
, &bc
);
3128 rta
.rta_type
= INET_DIAG_REQ_BYTECODE
;
3129 rta
.rta_len
= RTA_LENGTH(bclen
);
3130 iov
[1] = (struct iovec
){ &rta
, sizeof(rta
) };
3131 iov
[2] = (struct iovec
){ bc
, bclen
};
3132 req
.nlh
.nlmsg_len
+= RTA_LENGTH(bclen
);
3137 msg
= (struct msghdr
) {
3138 .msg_name
= (void *)&nladdr
,
3139 .msg_namelen
= sizeof(nladdr
),
3141 .msg_iovlen
= iovlen
,
3144 if (sendmsg(fd
, &msg
, 0) < 0) {
3152 struct inet_diag_arg
{
3155 struct rtnl_handle
*rth
;
3158 static int kill_inet_sock(struct nlmsghdr
*h
, void *arg
, struct sockstat
*s
)
3160 struct inet_diag_msg
*d
= NLMSG_DATA(h
);
3161 struct inet_diag_arg
*diag_arg
= arg
;
3162 struct rtnl_handle
*rth
= diag_arg
->rth
;
3164 DIAG_REQUEST(req
, struct inet_diag_req_v2 r
);
3166 req
.nlh
.nlmsg_type
= SOCK_DESTROY
;
3167 req
.nlh
.nlmsg_flags
= NLM_F_REQUEST
| NLM_F_ACK
;
3168 req
.nlh
.nlmsg_seq
= ++rth
->seq
;
3169 req
.r
.sdiag_family
= d
->idiag_family
;
3170 req
.r
.sdiag_protocol
= diag_arg
->protocol
;
3173 if (diag_arg
->protocol
== IPPROTO_RAW
) {
3174 struct inet_diag_req_raw
*raw
= (void *)&req
.r
;
3176 BUILD_BUG_ON(sizeof(req
.r
) != sizeof(*raw
));
3177 raw
->sdiag_raw_protocol
= s
->raw_prot
;
3180 return rtnl_talk(rth
, &req
.nlh
, NULL
);
3183 static int show_one_inet_sock(struct nlmsghdr
*h
, void *arg
)
3186 struct inet_diag_arg
*diag_arg
= arg
;
3187 struct inet_diag_msg
*r
= NLMSG_DATA(h
);
3188 struct sockstat s
= {};
3190 if (!(diag_arg
->f
->families
& FAMILY_MASK(r
->idiag_family
)))
3193 parse_diag_msg(h
, &s
);
3194 s
.type
= diag_arg
->protocol
;
3196 if (diag_arg
->f
->f
&& run_ssfilter(diag_arg
->f
->f
, &s
) == 0)
3199 if (diag_arg
->f
->kill
&& kill_inet_sock(h
, arg
, &s
) != 0) {
3200 if (errno
== EOPNOTSUPP
|| errno
== ENOENT
) {
3201 /* Socket can't be closed, or is already closed. */
3204 perror("SOCK_DESTROY answers");
3209 err
= inet_show_sock(h
, &s
);
3216 static int inet_show_netlink(struct filter
*f
, FILE *dump_fp
, int protocol
)
3219 struct rtnl_handle rth
, rth2
;
3220 int family
= PF_INET
;
3221 struct inet_diag_arg arg
= { .f
= f
, .protocol
= protocol
};
3223 if (rtnl_open_byproto(&rth
, 0, NETLINK_SOCK_DIAG
))
3227 if (rtnl_open_byproto(&rth2
, 0, NETLINK_SOCK_DIAG
)) {
3234 rth
.dump
= MAGIC_SEQ
;
3235 rth
.dump_fp
= dump_fp
;
3236 if (preferred_family
== PF_INET6
)
3240 if ((err
= sockdiag_send(family
, rth
.fd
, protocol
, f
)))
3243 if ((err
= rtnl_dump_filter(&rth
, show_one_inet_sock
, &arg
))) {
3244 if (family
!= PF_UNSPEC
) {
3250 if (family
== PF_INET
&& preferred_family
!= PF_INET
) {
3258 rtnl_close(arg
.rth
);
3262 static int tcp_show_netlink_file(struct filter
*f
)
3268 if ((fp
= fopen(getenv("TCPDIAG_FILE"), "r")) == NULL
) {
3269 perror("fopen($TCPDIAG_FILE)");
3275 struct nlmsghdr
*h
= (struct nlmsghdr
*)buf
;
3276 struct sockstat s
= {};
3278 status
= fread(buf
, 1, sizeof(*h
), fp
);
3280 perror("Reading header from $TCPDIAG_FILE");
3283 if (status
!= sizeof(*h
)) {
3284 perror("Unexpected EOF reading $TCPDIAG_FILE");
3288 status
= fread(h
+1, 1, NLMSG_ALIGN(h
->nlmsg_len
-sizeof(*h
)), fp
);
3291 perror("Reading $TCPDIAG_FILE");
3294 if (status
+ sizeof(*h
) < h
->nlmsg_len
) {
3295 perror("Unexpected EOF reading $TCPDIAG_FILE");
3299 /* The only legal exit point */
3300 if (h
->nlmsg_type
== NLMSG_DONE
) {
3305 if (h
->nlmsg_type
== NLMSG_ERROR
) {
3306 struct nlmsgerr
*err
= (struct nlmsgerr
*)NLMSG_DATA(h
);
3308 if (h
->nlmsg_len
< NLMSG_LENGTH(sizeof(struct nlmsgerr
))) {
3309 fprintf(stderr
, "ERROR truncated\n");
3311 errno
= -err
->error
;
3312 perror("TCPDIAG answered");
3317 parse_diag_msg(h
, &s
);
3318 s
.type
= IPPROTO_TCP
;
3320 if (f
&& f
->f
&& run_ssfilter(f
->f
, &s
) == 0)
3323 err2
= inet_show_sock(h
, &s
);
3334 static int tcp_show(struct filter
*f
)
3338 int bufsize
= 1024*1024;
3340 if (!filter_af_get(f
, AF_INET
) && !filter_af_get(f
, AF_INET6
))
3343 dg_proto
= TCP_PROTO
;
3345 if (getenv("TCPDIAG_FILE"))
3346 return tcp_show_netlink_file(f
);
3348 if (!getenv("PROC_NET_TCP") && !getenv("PROC_ROOT")
3349 && inet_show_netlink(f
, NULL
, IPPROTO_TCP
) == 0)
3352 /* Sigh... We have to parse /proc/net/tcp... */
3353 while (bufsize
>= 64*1024) {
3354 if ((buf
= malloc(bufsize
)) != NULL
)
3363 if (f
->families
& FAMILY_MASK(AF_INET
)) {
3364 if ((fp
= net_tcp_open()) == NULL
)
3367 setbuffer(fp
, buf
, bufsize
);
3368 if (generic_record_read(fp
, tcp_show_line
, f
, AF_INET
))
3373 if ((f
->families
& FAMILY_MASK(AF_INET6
)) &&
3374 (fp
= net_tcp6_open()) != NULL
) {
3375 setbuffer(fp
, buf
, bufsize
);
3376 if (generic_record_read(fp
, tcp_show_line
, f
, AF_INET6
))
3386 int saved_errno
= errno
;
3391 errno
= saved_errno
;
3396 static int dccp_show(struct filter
*f
)
3398 if (!filter_af_get(f
, AF_INET
) && !filter_af_get(f
, AF_INET6
))
3401 if (!getenv("PROC_NET_DCCP") && !getenv("PROC_ROOT")
3402 && inet_show_netlink(f
, NULL
, IPPROTO_DCCP
) == 0)
3408 static int sctp_show(struct filter
*f
)
3410 if (!filter_af_get(f
, AF_INET
) && !filter_af_get(f
, AF_INET6
))
3413 if (!getenv("PROC_NET_SCTP") && !getenv("PROC_ROOT")
3414 && inet_show_netlink(f
, NULL
, IPPROTO_SCTP
) == 0)
3420 static int dgram_show_line(char *line
, const struct filter
*f
, int family
)
3422 struct sockstat s
= {};
3423 char *loc
, *rem
, *data
;
3427 if (proc_inet_split_line(line
, &loc
, &rem
, &data
))
3430 int state
= (data
[1] >= 'A') ? (data
[1] - 'A' + 10) : (data
[1] - '0');
3432 if (!(f
->states
& (1 << state
)))
3435 proc_parse_inet_addr(loc
, rem
, family
, &s
);
3437 if (f
->f
&& run_ssfilter(f
->f
, &s
) == 0)
3441 n
= sscanf(data
, "%x %x:%x %*x:%*x %*x %d %*d %u %d %llx %[^\n]\n",
3442 &s
.state
, &s
.wq
, &s
.rq
,
3444 &s
.refcnt
, &s
.sk
, opt
);
3449 s
.type
= dg_proto
== UDP_PROTO
? IPPROTO_UDP
: 0;
3450 inet_stats_print(&s
, false);
3452 if (show_details
&& opt
[0])
3453 out(" opt:\"%s\"", opt
);
3458 static int udp_show(struct filter
*f
)
3462 if (!filter_af_get(f
, AF_INET
) && !filter_af_get(f
, AF_INET6
))
3465 dg_proto
= UDP_PROTO
;
3467 if (!getenv("PROC_NET_UDP") && !getenv("PROC_ROOT")
3468 && inet_show_netlink(f
, NULL
, IPPROTO_UDP
) == 0)
3471 if (f
->families
&FAMILY_MASK(AF_INET
)) {
3472 if ((fp
= net_udp_open()) == NULL
)
3474 if (generic_record_read(fp
, dgram_show_line
, f
, AF_INET
))
3479 if ((f
->families
&FAMILY_MASK(AF_INET6
)) &&
3480 (fp
= net_udp6_open()) != NULL
) {
3481 if (generic_record_read(fp
, dgram_show_line
, f
, AF_INET6
))
3489 int saved_errno
= errno
;
3493 errno
= saved_errno
;
3498 static int raw_show(struct filter
*f
)
3502 if (!filter_af_get(f
, AF_INET
) && !filter_af_get(f
, AF_INET6
))
3505 dg_proto
= RAW_PROTO
;
3507 if (!getenv("PROC_NET_RAW") && !getenv("PROC_ROOT") &&
3508 inet_show_netlink(f
, NULL
, IPPROTO_RAW
) == 0)
3511 if (f
->families
&FAMILY_MASK(AF_INET
)) {
3512 if ((fp
= net_raw_open()) == NULL
)
3514 if (generic_record_read(fp
, dgram_show_line
, f
, AF_INET
))
3519 if ((f
->families
&FAMILY_MASK(AF_INET6
)) &&
3520 (fp
= net_raw6_open()) != NULL
) {
3521 if (generic_record_read(fp
, dgram_show_line
, f
, AF_INET6
))
3529 int saved_errno
= errno
;
3533 errno
= saved_errno
;
3538 #define MAX_UNIX_REMEMBER (1024*1024/sizeof(struct sockstat))
3540 static void unix_list_drop_first(struct sockstat
**list
)
3542 struct sockstat
*s
= *list
;
3544 (*list
) = (*list
)->next
;
3549 static bool unix_type_skip(struct sockstat
*s
, struct filter
*f
)
3551 if (s
->type
== SOCK_STREAM
&& !(f
->dbs
&(1<<UNIX_ST_DB
)))
3553 if (s
->type
== SOCK_DGRAM
&& !(f
->dbs
&(1<<UNIX_DG_DB
)))
3555 if (s
->type
== SOCK_SEQPACKET
&& !(f
->dbs
&(1<<UNIX_SQ_DB
)))
3560 static void unix_stats_print(struct sockstat
*s
, struct filter
*f
)
3562 char port_name
[30] = {};
3564 sock_state_print(s
);
3566 sock_addr_print(s
->name
?: "*", " ",
3567 int_to_str(s
->lport
, port_name
), NULL
);
3568 sock_addr_print(s
->peer_name
?: "*", " ",
3569 int_to_str(s
->rport
, port_name
), NULL
);
3574 static int unix_show_sock(struct nlmsghdr
*nlh
, void *arg
)
3576 struct filter
*f
= (struct filter
*)arg
;
3577 struct unix_diag_msg
*r
= NLMSG_DATA(nlh
);
3578 struct rtattr
*tb
[UNIX_DIAG_MAX
+1];
3580 struct sockstat stat
= { .name
= "*", .peer_name
= "*" };
3582 parse_rtattr(tb
, UNIX_DIAG_MAX
, (struct rtattr
*)(r
+1),
3583 nlh
->nlmsg_len
- NLMSG_LENGTH(sizeof(*r
)));
3585 stat
.type
= r
->udiag_type
;
3586 stat
.state
= r
->udiag_state
;
3587 stat
.ino
= stat
.lport
= r
->udiag_ino
;
3588 stat
.local
.family
= stat
.remote
.family
= AF_UNIX
;
3590 if (unix_type_skip(&stat
, f
))
3593 if (tb
[UNIX_DIAG_RQLEN
]) {
3594 struct unix_diag_rqlen
*rql
= RTA_DATA(tb
[UNIX_DIAG_RQLEN
]);
3596 stat
.rq
= rql
->udiag_rqueue
;
3597 stat
.wq
= rql
->udiag_wqueue
;
3599 if (tb
[UNIX_DIAG_NAME
]) {
3600 int len
= RTA_PAYLOAD(tb
[UNIX_DIAG_NAME
]);
3602 memcpy(name
, RTA_DATA(tb
[UNIX_DIAG_NAME
]), len
);
3604 if (name
[0] == '\0') {
3606 for (i
= 0; i
< len
; i
++)
3607 if (name
[i
] == '\0')
3610 stat
.name
= &name
[0];
3611 memcpy(stat
.local
.data
, &stat
.name
, sizeof(stat
.name
));
3613 if (tb
[UNIX_DIAG_PEER
])
3614 stat
.rport
= rta_getattr_u32(tb
[UNIX_DIAG_PEER
]);
3616 if (f
->f
&& run_ssfilter(f
->f
, &stat
) == 0)
3619 unix_stats_print(&stat
, f
);
3622 print_skmeminfo(tb
, UNIX_DIAG_MEMINFO
);
3624 if (tb
[UNIX_DIAG_SHUTDOWN
]) {
3627 mask
= rta_getattr_u8(tb
[UNIX_DIAG_SHUTDOWN
]);
3629 mask
& 1 ? '-' : '<', mask
& 2 ? '-' : '>');
3631 if (tb
[UNIX_DIAG_VFS
]) {
3632 struct unix_diag_vfs
*uv
= RTA_DATA(tb
[UNIX_DIAG_VFS
]);
3634 out(" ino:%u dev:%u/%u", uv
->udiag_vfs_ino
, major(uv
->udiag_vfs_dev
),
3635 minor(uv
->udiag_vfs_dev
));
3637 if (tb
[UNIX_DIAG_ICONS
]) {
3638 int len
= RTA_PAYLOAD(tb
[UNIX_DIAG_ICONS
]);
3639 __u32
*peers
= RTA_DATA(tb
[UNIX_DIAG_ICONS
]);
3643 for (i
= 0; i
< len
/ sizeof(__u32
); i
++)
3644 out(" %u", peers
[i
]);
3651 static int handle_netlink_request(struct filter
*f
, struct nlmsghdr
*req
,
3652 size_t size
, rtnl_filter_t show_one_sock
)
3655 struct rtnl_handle rth
;
3657 if (rtnl_open_byproto(&rth
, 0, NETLINK_SOCK_DIAG
))
3660 rth
.dump
= MAGIC_SEQ
;
3662 if (rtnl_send(&rth
, req
, size
) < 0)
3665 if (rtnl_dump_filter(&rth
, show_one_sock
, f
))
3674 static int unix_show_netlink(struct filter
*f
)
3676 DIAG_REQUEST(req
, struct unix_diag_req r
);
3678 req
.r
.sdiag_family
= AF_UNIX
;
3679 req
.r
.udiag_states
= f
->states
;
3680 req
.r
.udiag_show
= UDIAG_SHOW_NAME
| UDIAG_SHOW_PEER
| UDIAG_SHOW_RQLEN
;
3682 req
.r
.udiag_show
|= UDIAG_SHOW_MEMINFO
;
3684 req
.r
.udiag_show
|= UDIAG_SHOW_VFS
| UDIAG_SHOW_ICONS
;
3686 return handle_netlink_request(f
, &req
.nlh
, sizeof(req
), unix_show_sock
);
3689 static int unix_show(struct filter
*f
)
3696 struct sockstat
*list
= NULL
;
3697 const int unix_state_map
[] = { SS_CLOSE
, SS_SYN_SENT
,
3698 SS_ESTABLISHED
, SS_CLOSING
};
3700 if (!filter_af_get(f
, AF_UNIX
))
3703 if (!getenv("PROC_NET_UNIX") && !getenv("PROC_ROOT")
3704 && unix_show_netlink(f
) == 0)
3707 if ((fp
= net_unix_open()) == NULL
)
3709 if (!fgets(buf
, sizeof(buf
), fp
)) {
3714 if (memcmp(buf
, "Peer", 4) == 0)
3718 while (fgets(buf
, sizeof(buf
), fp
)) {
3719 struct sockstat
*u
, **insp
;
3722 if (!(u
= calloc(1, sizeof(*u
))))
3725 if (sscanf(buf
, "%x: %x %x %x %x %x %d %s",
3726 &u
->rport
, &u
->rq
, &u
->wq
, &flags
, &u
->type
,
3727 &u
->state
, &u
->ino
, name
) < 8)
3731 u
->local
.family
= u
->remote
.family
= AF_UNIX
;
3733 if (flags
& (1 << 16)) {
3734 u
->state
= SS_LISTEN
;
3735 } else if (u
->state
> 0 &&
3736 u
->state
<= ARRAY_SIZE(unix_state_map
)) {
3737 u
->state
= unix_state_map
[u
->state
-1];
3738 if (u
->type
== SOCK_DGRAM
&& u
->state
== SS_CLOSE
&& u
->rport
)
3739 u
->state
= SS_ESTABLISHED
;
3741 if (unix_type_skip(u
, f
) ||
3742 !(f
->states
& (1 << u
->state
))) {
3754 u
->name
= strdup(name
);
3764 for (p
= list
; p
; p
= p
->next
) {
3765 if (u
->rport
== p
->lport
)
3771 u
->peer_name
= p
->name
? : "*";
3775 struct sockstat st
= {
3776 .local
.family
= AF_UNIX
,
3777 .remote
.family
= AF_UNIX
,
3780 memcpy(st
.local
.data
, &u
->name
, sizeof(u
->name
));
3781 /* when parsing the old format rport is set to 0 and
3782 * therefore peer_name remains NULL
3784 if (u
->peer_name
&& strcmp(u
->peer_name
, "*"))
3785 memcpy(st
.remote
.data
, &u
->peer_name
,
3786 sizeof(u
->peer_name
));
3787 if (run_ssfilter(f
->f
, &st
) == 0) {
3796 if (u
->type
< (*insp
)->type
||
3797 (u
->type
== (*insp
)->type
&&
3798 u
->ino
< (*insp
)->ino
))
3800 insp
= &(*insp
)->next
;
3805 if (++cnt
> MAX_UNIX_REMEMBER
) {
3807 unix_stats_print(list
, f
);
3808 unix_list_drop_first(&list
);
3815 unix_stats_print(list
, f
);
3816 unix_list_drop_first(&list
);
3822 static int packet_stats_print(struct sockstat
*s
, const struct filter
*f
)
3824 const char *addr
, *port
;
3827 s
->local
.family
= s
->remote
.family
= AF_PACKET
;
3830 s
->local
.data
[0] = s
->prot
;
3831 if (run_ssfilter(f
->f
, s
) == 0)
3835 sock_state_print(s
);
3840 addr
= ll_proto_n2a(htons(s
->prot
), ll_name
, sizeof(ll_name
));
3845 port
= xll_index_to_name(s
->iface
);
3847 sock_addr_print(addr
, ":", port
, NULL
);
3848 sock_addr_print("", "*", "", NULL
);
3853 sock_details_print(s
);
3858 static void packet_show_ring(struct packet_diag_ring
*ring
)
3860 out("blk_size:%d", ring
->pdr_block_size
);
3861 out(",blk_nr:%d", ring
->pdr_block_nr
);
3862 out(",frm_size:%d", ring
->pdr_frame_size
);
3863 out(",frm_nr:%d", ring
->pdr_frame_nr
);
3864 out(",tmo:%d", ring
->pdr_retire_tmo
);
3865 out(",features:0x%x", ring
->pdr_features
);
3868 static int packet_show_sock(struct nlmsghdr
*nlh
, void *arg
)
3870 const struct filter
*f
= arg
;
3871 struct packet_diag_msg
*r
= NLMSG_DATA(nlh
);
3872 struct packet_diag_info
*pinfo
= NULL
;
3873 struct packet_diag_ring
*ring_rx
= NULL
, *ring_tx
= NULL
;
3874 struct rtattr
*tb
[PACKET_DIAG_MAX
+1];
3875 struct sockstat stat
= {};
3876 uint32_t fanout
= 0;
3877 bool has_fanout
= false;
3879 parse_rtattr(tb
, PACKET_DIAG_MAX
, (struct rtattr
*)(r
+1),
3880 nlh
->nlmsg_len
- NLMSG_LENGTH(sizeof(*r
)));
3882 /* use /proc/net/packet if all info are not available */
3883 if (!tb
[PACKET_DIAG_MEMINFO
])
3886 stat
.type
= r
->pdiag_type
;
3887 stat
.prot
= r
->pdiag_num
;
3888 stat
.ino
= r
->pdiag_ino
;
3889 stat
.state
= SS_CLOSE
;
3890 stat
.sk
= cookie_sk_get(&r
->pdiag_cookie
[0]);
3892 if (tb
[PACKET_DIAG_MEMINFO
]) {
3893 __u32
*skmeminfo
= RTA_DATA(tb
[PACKET_DIAG_MEMINFO
]);
3895 stat
.rq
= skmeminfo
[SK_MEMINFO_RMEM_ALLOC
];
3898 if (tb
[PACKET_DIAG_INFO
]) {
3899 pinfo
= RTA_DATA(tb
[PACKET_DIAG_INFO
]);
3900 stat
.lport
= stat
.iface
= pinfo
->pdi_index
;
3903 if (tb
[PACKET_DIAG_UID
])
3904 stat
.uid
= rta_getattr_u32(tb
[PACKET_DIAG_UID
]);
3906 if (tb
[PACKET_DIAG_RX_RING
])
3907 ring_rx
= RTA_DATA(tb
[PACKET_DIAG_RX_RING
]);
3909 if (tb
[PACKET_DIAG_TX_RING
])
3910 ring_tx
= RTA_DATA(tb
[PACKET_DIAG_TX_RING
]);
3912 if (tb
[PACKET_DIAG_FANOUT
]) {
3914 fanout
= rta_getattr_u32(tb
[PACKET_DIAG_FANOUT
]);
3917 if (packet_stats_print(&stat
, f
))
3922 out("\n\tver:%d", pinfo
->pdi_version
);
3923 out(" cpy_thresh:%d", pinfo
->pdi_copy_thresh
);
3925 if (pinfo
->pdi_flags
& PDI_RUNNING
)
3927 if (pinfo
->pdi_flags
& PDI_AUXDATA
)
3929 if (pinfo
->pdi_flags
& PDI_ORIGDEV
)
3931 if (pinfo
->pdi_flags
& PDI_VNETHDR
)
3933 if (pinfo
->pdi_flags
& PDI_LOSS
)
3935 if (!pinfo
->pdi_flags
)
3940 out("\n\tring_rx(");
3941 packet_show_ring(ring_rx
);
3945 out("\n\tring_tx(");
3946 packet_show_ring(ring_tx
);
3950 uint16_t type
= (fanout
>> 16) & 0xffff;
3953 out("id:%d,", fanout
& 0xffff);
3975 if (show_bpf
&& tb
[PACKET_DIAG_FILTER
]) {
3976 struct sock_filter
*fil
=
3977 RTA_DATA(tb
[PACKET_DIAG_FILTER
]);
3978 int num
= RTA_PAYLOAD(tb
[PACKET_DIAG_FILTER
]) /
3979 sizeof(struct sock_filter
);
3981 out("\n\tbpf filter (%d): ", num
);
3983 out(" 0x%02x %u %u %u,",
3984 fil
->code
, fil
->jt
, fil
->jf
, fil
->k
);
3991 print_skmeminfo(tb
, PACKET_DIAG_MEMINFO
);
3995 static int packet_show_netlink(struct filter
*f
)
3997 DIAG_REQUEST(req
, struct packet_diag_req r
);
3999 req
.r
.sdiag_family
= AF_PACKET
;
4000 req
.r
.pdiag_show
= PACKET_SHOW_INFO
| PACKET_SHOW_MEMINFO
|
4001 PACKET_SHOW_FILTER
| PACKET_SHOW_RING_CFG
| PACKET_SHOW_FANOUT
;
4003 return handle_netlink_request(f
, &req
.nlh
, sizeof(req
), packet_show_sock
);
4006 static int packet_show_line(char *buf
, const struct filter
*f
, int fam
)
4008 unsigned long long sk
;
4009 struct sockstat stat
= {};
4010 int type
, prot
, iface
, state
, rq
, uid
, ino
;
4012 sscanf(buf
, "%llx %*d %d %x %d %d %u %u %u",
4014 &type
, &prot
, &iface
, &state
,
4017 if (stat
.type
== SOCK_RAW
&& !(f
->dbs
&(1<<PACKET_R_DB
)))
4019 if (stat
.type
== SOCK_DGRAM
&& !(f
->dbs
&(1<<PACKET_DG_DB
)))
4024 stat
.lport
= stat
.iface
= iface
;
4029 stat
.state
= SS_CLOSE
;
4031 if (packet_stats_print(&stat
, f
))
4037 static int packet_show(struct filter
*f
)
4042 if (!filter_af_get(f
, AF_PACKET
) || !(f
->states
& (1 << SS_CLOSE
)))
4045 if (!getenv("PROC_NET_PACKET") && !getenv("PROC_ROOT") &&
4046 packet_show_netlink(f
) == 0)
4049 if ((fp
= net_packet_open()) == NULL
)
4051 if (generic_record_read(fp
, packet_show_line
, f
, AF_PACKET
))
4058 static int netlink_show_one(struct filter
*f
,
4059 int prot
, int pid
, unsigned int groups
,
4060 int state
, int dst_pid
, unsigned int dst_group
,
4062 unsigned long long sk
, unsigned long long cb
)
4064 struct sockstat st
= {
4068 .local
.family
= AF_NETLINK
,
4069 .remote
.family
= AF_NETLINK
,
4072 SPRINT_BUF(prot_buf
) = {};
4073 const char *prot_name
;
4074 char procname
[64] = {};
4079 st
.local
.data
[0] = prot
;
4080 if (run_ssfilter(f
->f
, &st
) == 0)
4084 sock_state_print(&st
);
4086 if (resolve_services
)
4087 prot_name
= nl_proto_n2a(prot
, prot_buf
, sizeof(prot_buf
));
4089 prot_name
= int_to_str(prot
, prot_buf
);
4093 } else if (resolve_services
) {
4098 strncpy(procname
, "kernel", 7);
4099 } else if (pid
> 0) {
4102 snprintf(procname
, sizeof(procname
), "%s/%d/stat",
4103 getenv("PROC_ROOT") ? : "/proc", pid
);
4104 if ((fp
= fopen(procname
, "r")) != NULL
) {
4105 if (fscanf(fp
, "%*d (%[^)])", procname
) == 1) {
4106 snprintf(procname
+strlen(procname
),
4107 sizeof(procname
)-strlen(procname
),
4115 int_to_str(pid
, procname
);
4117 int_to_str(pid
, procname
);
4120 sock_addr_print(prot_name
, ":", procname
, NULL
);
4122 if (state
== NETLINK_CONNECTED
) {
4123 char dst_group_buf
[30];
4124 char dst_pid_buf
[30];
4126 sock_addr_print(int_to_str(dst_group
, dst_group_buf
), ":",
4127 int_to_str(dst_pid
, dst_pid_buf
), NULL
);
4129 sock_addr_print("", "*", "", NULL
);
4132 char *pid_context
= NULL
;
4134 if (show_proc_ctx
) {
4135 /* The pid value will either be:
4136 * 0 if destination kernel - show kernel initial context.
4137 * A valid process pid - use getpidcon.
4138 * A unique value allocated by the kernel or netlink user
4139 * to the process - show context as "not available".
4142 security_get_initial_context("kernel", &pid_context
);
4144 getpidcon(pid
, &pid_context
);
4146 out(" proc_ctx=%s", pid_context
? : "unavailable");
4151 out(" sk=%llx cb=%llx groups=0x%08x", sk
, cb
, groups
);
4157 static int netlink_show_sock(struct nlmsghdr
*nlh
, void *arg
)
4159 struct filter
*f
= (struct filter
*)arg
;
4160 struct netlink_diag_msg
*r
= NLMSG_DATA(nlh
);
4161 struct rtattr
*tb
[NETLINK_DIAG_MAX
+1];
4163 unsigned long groups
= 0;
4165 parse_rtattr(tb
, NETLINK_DIAG_MAX
, (struct rtattr
*)(r
+1),
4166 nlh
->nlmsg_len
- NLMSG_LENGTH(sizeof(*r
)));
4168 if (tb
[NETLINK_DIAG_GROUPS
] && RTA_PAYLOAD(tb
[NETLINK_DIAG_GROUPS
]))
4169 groups
= *(unsigned long *) RTA_DATA(tb
[NETLINK_DIAG_GROUPS
]);
4171 if (tb
[NETLINK_DIAG_MEMINFO
]) {
4172 const __u32
*skmeminfo
;
4174 skmeminfo
= RTA_DATA(tb
[NETLINK_DIAG_MEMINFO
]);
4176 rq
= skmeminfo
[SK_MEMINFO_RMEM_ALLOC
];
4177 wq
= skmeminfo
[SK_MEMINFO_WMEM_ALLOC
];
4180 if (netlink_show_one(f
, r
->ndiag_protocol
, r
->ndiag_portid
, groups
,
4181 r
->ndiag_state
, r
->ndiag_dst_portid
, r
->ndiag_dst_group
,
4188 print_skmeminfo(tb
, NETLINK_DIAG_MEMINFO
);
4194 static int netlink_show_netlink(struct filter
*f
)
4196 DIAG_REQUEST(req
, struct netlink_diag_req r
);
4198 req
.r
.sdiag_family
= AF_NETLINK
;
4199 req
.r
.sdiag_protocol
= NDIAG_PROTO_ALL
;
4200 req
.r
.ndiag_show
= NDIAG_SHOW_GROUPS
| NDIAG_SHOW_MEMINFO
;
4202 return handle_netlink_request(f
, &req
.nlh
, sizeof(req
), netlink_show_sock
);
4205 static int netlink_show(struct filter
*f
)
4210 unsigned int groups
;
4212 unsigned long long sk
, cb
;
4214 if (!filter_af_get(f
, AF_NETLINK
) || !(f
->states
& (1 << SS_CLOSE
)))
4217 if (!getenv("PROC_NET_NETLINK") && !getenv("PROC_ROOT") &&
4218 netlink_show_netlink(f
) == 0)
4221 if ((fp
= net_netlink_open()) == NULL
)
4223 if (!fgets(buf
, sizeof(buf
), fp
)) {
4228 while (fgets(buf
, sizeof(buf
), fp
)) {
4229 sscanf(buf
, "%llx %d %d %x %d %d %llx %d",
4231 &prot
, &pid
, &groups
, &rq
, &wq
, &cb
, &rc
);
4233 netlink_show_one(f
, prot
, pid
, groups
, 0, 0, 0, rq
, wq
, sk
, cb
);
4240 static bool vsock_type_skip(struct sockstat
*s
, struct filter
*f
)
4242 if (s
->type
== SOCK_STREAM
&& !(f
->dbs
& (1 << VSOCK_ST_DB
)))
4244 if (s
->type
== SOCK_DGRAM
&& !(f
->dbs
& (1 << VSOCK_DG_DB
)))
4249 static void vsock_addr_print(inet_prefix
*a
, __u32 port
)
4251 char cid_str
[sizeof("4294967295")];
4252 char port_str
[sizeof("4294967295")];
4255 memcpy(&cid
, a
->data
, sizeof(cid
));
4257 if (cid
== ~(__u32
)0)
4258 snprintf(cid_str
, sizeof(cid_str
), "*");
4260 snprintf(cid_str
, sizeof(cid_str
), "%u", cid
);
4262 if (port
== ~(__u32
)0)
4263 snprintf(port_str
, sizeof(port_str
), "*");
4265 snprintf(port_str
, sizeof(port_str
), "%u", port
);
4267 sock_addr_print(cid_str
, ":", port_str
, NULL
);
4270 static void vsock_stats_print(struct sockstat
*s
, struct filter
*f
)
4272 sock_state_print(s
);
4274 vsock_addr_print(&s
->local
, s
->lport
);
4275 vsock_addr_print(&s
->remote
, s
->rport
);
4280 static int vsock_show_sock(struct nlmsghdr
*nlh
, void *arg
)
4282 struct filter
*f
= (struct filter
*)arg
;
4283 struct vsock_diag_msg
*r
= NLMSG_DATA(nlh
);
4284 struct sockstat stat
= {
4285 .type
= r
->vdiag_type
,
4286 .lport
= r
->vdiag_src_port
,
4287 .rport
= r
->vdiag_dst_port
,
4288 .state
= r
->vdiag_state
,
4289 .ino
= r
->vdiag_ino
,
4292 vsock_set_inet_prefix(&stat
.local
, r
->vdiag_src_cid
);
4293 vsock_set_inet_prefix(&stat
.remote
, r
->vdiag_dst_cid
);
4295 if (vsock_type_skip(&stat
, f
))
4298 if (f
->f
&& run_ssfilter(f
->f
, &stat
) == 0)
4301 vsock_stats_print(&stat
, f
);
4306 static int vsock_show(struct filter
*f
)
4308 DIAG_REQUEST(req
, struct vsock_diag_req r
);
4310 if (!filter_af_get(f
, AF_VSOCK
))
4313 req
.r
.sdiag_family
= AF_VSOCK
;
4314 req
.r
.vdiag_states
= f
->states
;
4316 return handle_netlink_request(f
, &req
.nlh
, sizeof(req
), vsock_show_sock
);
4319 static void tipc_sock_addr_print(struct rtattr
*net_addr
, struct rtattr
*id
)
4321 uint32_t node
= rta_getattr_u32(net_addr
);
4322 uint32_t identity
= rta_getattr_u32(id
);
4324 SPRINT_BUF(addr
) = {};
4325 SPRINT_BUF(port
) = {};
4327 sprintf(addr
, "%u", node
);
4328 sprintf(port
, "%u", identity
);
4329 sock_addr_print(addr
, ":", port
, NULL
);
4333 static int tipc_show_sock(struct nlmsghdr
*nlh
, void *arg
)
4335 struct rtattr
*stat
[TIPC_NLA_SOCK_STAT_MAX
+ 1] = {};
4336 struct rtattr
*attrs
[TIPC_NLA_SOCK_MAX
+ 1] = {};
4337 struct rtattr
*con
[TIPC_NLA_CON_MAX
+ 1] = {};
4338 struct rtattr
*info
[TIPC_NLA_MAX
+ 1] = {};
4339 struct rtattr
*msg_ref
;
4340 struct sockstat ss
= {};
4342 parse_rtattr(info
, TIPC_NLA_MAX
, NLMSG_DATA(nlh
),
4343 NLMSG_PAYLOAD(nlh
, 0));
4345 if (!info
[TIPC_NLA_SOCK
])
4348 msg_ref
= info
[TIPC_NLA_SOCK
];
4349 parse_rtattr(attrs
, TIPC_NLA_SOCK_MAX
, RTA_DATA(msg_ref
),
4350 RTA_PAYLOAD(msg_ref
));
4352 msg_ref
= attrs
[TIPC_NLA_SOCK_STAT
];
4353 parse_rtattr(stat
, TIPC_NLA_SOCK_STAT_MAX
,
4354 RTA_DATA(msg_ref
), RTA_PAYLOAD(msg_ref
));
4357 ss
.local
.family
= AF_TIPC
;
4358 ss
.type
= rta_getattr_u32(attrs
[TIPC_NLA_SOCK_TYPE
]);
4359 ss
.state
= rta_getattr_u32(attrs
[TIPC_NLA_SOCK_TIPC_STATE
]);
4360 ss
.uid
= rta_getattr_u32(attrs
[TIPC_NLA_SOCK_UID
]);
4361 ss
.ino
= rta_getattr_u32(attrs
[TIPC_NLA_SOCK_INO
]);
4362 ss
.rq
= rta_getattr_u32(stat
[TIPC_NLA_SOCK_STAT_RCVQ
]);
4363 ss
.wq
= rta_getattr_u32(stat
[TIPC_NLA_SOCK_STAT_SENDQ
]);
4364 ss
.sk
= rta_getattr_u64(attrs
[TIPC_NLA_SOCK_COOKIE
]);
4366 sock_state_print (&ss
);
4368 tipc_sock_addr_print(attrs
[TIPC_NLA_SOCK_ADDR
],
4369 attrs
[TIPC_NLA_SOCK_REF
]);
4371 msg_ref
= attrs
[TIPC_NLA_SOCK_CON
];
4373 parse_rtattr(con
, TIPC_NLA_CON_MAX
,
4374 RTA_DATA(msg_ref
), RTA_PAYLOAD(msg_ref
));
4376 tipc_sock_addr_print(con
[TIPC_NLA_CON_NODE
],
4377 con
[TIPC_NLA_CON_SOCK
]);
4379 sock_addr_print("", "-", "", NULL
);
4382 sock_details_print(&ss
);
4384 proc_ctx_print(&ss
);
4386 if (show_tipcinfo
) {
4387 out("\n type:%s", stype_nameg
[ss
.type
]);
4389 stat
[TIPC_NLA_SOCK_STAT_LINK_CONG
] ? "link" :
4390 stat
[TIPC_NLA_SOCK_STAT_CONN_CONG
] ? "conn" : "none");
4392 rta_getattr_u32(stat
[TIPC_NLA_SOCK_STAT_DROP
]));
4394 if (attrs
[TIPC_NLA_SOCK_HAS_PUBL
])
4397 if (con
[TIPC_NLA_CON_FLAG
])
4398 out(" via {%u,%u} ",
4399 rta_getattr_u32(con
[TIPC_NLA_CON_TYPE
]),
4400 rta_getattr_u32(con
[TIPC_NLA_CON_INST
]));
4406 static int tipc_show(struct filter
*f
)
4408 DIAG_REQUEST(req
, struct tipc_sock_diag_req r
);
4410 memset(&req
.r
, 0, sizeof(req
.r
));
4411 req
.r
.sdiag_family
= AF_TIPC
;
4412 req
.r
.tidiag_states
= f
->states
;
4414 return handle_netlink_request(f
, &req
.nlh
, sizeof(req
), tipc_show_sock
);
4417 struct sock_diag_msg
{
4421 static int generic_show_sock(struct nlmsghdr
*nlh
, void *arg
)
4423 struct sock_diag_msg
*r
= NLMSG_DATA(nlh
);
4424 struct inet_diag_arg inet_arg
= { .f
= arg
, .protocol
= IPPROTO_MAX
};
4427 switch (r
->sdiag_family
) {
4430 inet_arg
.rth
= inet_arg
.f
->rth_for_killing
;
4431 ret
= show_one_inet_sock(nlh
, &inet_arg
);
4434 ret
= unix_show_sock(nlh
, arg
);
4437 ret
= packet_show_sock(nlh
, arg
);
4440 ret
= netlink_show_sock(nlh
, arg
);
4443 ret
= vsock_show_sock(nlh
, arg
);
4454 static int handle_follow_request(struct filter
*f
)
4458 struct rtnl_handle rth
, rth2
;
4460 if (f
->families
& FAMILY_MASK(AF_INET
) && f
->dbs
& (1 << TCP_DB
))
4461 groups
|= 1 << (SKNLGRP_INET_TCP_DESTROY
- 1);
4462 if (f
->families
& FAMILY_MASK(AF_INET
) && f
->dbs
& (1 << UDP_DB
))
4463 groups
|= 1 << (SKNLGRP_INET_UDP_DESTROY
- 1);
4464 if (f
->families
& FAMILY_MASK(AF_INET6
) && f
->dbs
& (1 << TCP_DB
))
4465 groups
|= 1 << (SKNLGRP_INET6_TCP_DESTROY
- 1);
4466 if (f
->families
& FAMILY_MASK(AF_INET6
) && f
->dbs
& (1 << UDP_DB
))
4467 groups
|= 1 << (SKNLGRP_INET6_UDP_DESTROY
- 1);
4472 if (rtnl_open_byproto(&rth
, groups
, NETLINK_SOCK_DIAG
))
4476 rth
.local
.nl_pid
= 0;
4479 if (rtnl_open_byproto(&rth2
, groups
, NETLINK_SOCK_DIAG
)) {
4483 f
->rth_for_killing
= &rth2
;
4486 if (rtnl_dump_filter(&rth
, generic_show_sock
, f
))
4490 if (f
->rth_for_killing
)
4491 rtnl_close(f
->rth_for_killing
);
4495 static int get_snmp_int(char *proto
, char *key
, int *result
)
4499 int protolen
= strlen(proto
);
4500 int keylen
= strlen(key
);
4504 if ((fp
= net_snmp_open()) == NULL
)
4507 while (fgets(buf
, sizeof(buf
), fp
) != NULL
) {
4511 if (memcmp(buf
, proto
, protolen
))
4513 while ((p
= strchr(p
, ' ')) != NULL
) {
4516 if (memcmp(p
, key
, keylen
) == 0 &&
4517 (p
[keylen
] == ' ' || p
[keylen
] == '\n'))
4520 if (fgets(buf
, sizeof(buf
), fp
) == NULL
)
4522 if (memcmp(buf
, proto
, protolen
))
4525 while ((p
= strchr(p
, ' ')) != NULL
) {
4528 sscanf(p
, "%d", result
);
4541 /* Get stats from sockstat */
4561 static void get_sockstat_line(char *line
, struct ssummary
*s
)
4563 char id
[256], rem
[256];
4565 if (sscanf(line
, "%[^ ] %[^\n]\n", id
, rem
) != 2)
4568 if (strcmp(id
, "sockets:") == 0)
4569 sscanf(rem
, "%*s%d", &s
->socks
);
4570 else if (strcmp(id
, "UDP:") == 0)
4571 sscanf(rem
, "%*s%d", &s
->udp4
);
4572 else if (strcmp(id
, "UDP6:") == 0)
4573 sscanf(rem
, "%*s%d", &s
->udp6
);
4574 else if (strcmp(id
, "RAW:") == 0)
4575 sscanf(rem
, "%*s%d", &s
->raw4
);
4576 else if (strcmp(id
, "RAW6:") == 0)
4577 sscanf(rem
, "%*s%d", &s
->raw6
);
4578 else if (strcmp(id
, "TCP6:") == 0)
4579 sscanf(rem
, "%*s%d", &s
->tcp6_hashed
);
4580 else if (strcmp(id
, "FRAG:") == 0)
4581 sscanf(rem
, "%*s%d%*s%d", &s
->frag4
, &s
->frag4_mem
);
4582 else if (strcmp(id
, "FRAG6:") == 0)
4583 sscanf(rem
, "%*s%d%*s%d", &s
->frag6
, &s
->frag6_mem
);
4584 else if (strcmp(id
, "TCP:") == 0)
4585 sscanf(rem
, "%*s%d%*s%d%*s%d%*s%d%*s%d",
4587 &s
->tcp_orphans
, &s
->tcp_tws
, &s
->tcp_total
, &s
->tcp_mem
);
4590 static int get_sockstat(struct ssummary
*s
)
4595 memset(s
, 0, sizeof(*s
));
4597 if ((fp
= net_sockstat_open()) == NULL
)
4599 while (fgets(buf
, sizeof(buf
), fp
) != NULL
)
4600 get_sockstat_line(buf
, s
);
4603 if ((fp
= net_sockstat6_open()) == NULL
)
4605 while (fgets(buf
, sizeof(buf
), fp
) != NULL
)
4606 get_sockstat_line(buf
, s
);
4612 static int print_summary(void)
4617 if (get_sockstat(&s
) < 0)
4618 perror("ss: get_sockstat");
4619 if (get_snmp_int("Tcp:", "CurrEstab", &tcp_estab
) < 0)
4620 perror("ss: get_snmpstat");
4622 printf("Total: %d\n", s
.socks
);
4624 printf("TCP: %d (estab %d, closed %d, orphaned %d, timewait %d)\n",
4625 s
.tcp_total
+ s
.tcp_tws
, tcp_estab
,
4626 s
.tcp_total
- (s
.tcp4_hashed
+ s
.tcp6_hashed
- s
.tcp_tws
),
4627 s
.tcp_orphans
, s
.tcp_tws
);
4630 printf("Transport Total IP IPv6\n");
4631 printf("RAW %-9d %-9d %-9d\n", s
.raw4
+s
.raw6
, s
.raw4
, s
.raw6
);
4632 printf("UDP %-9d %-9d %-9d\n", s
.udp4
+s
.udp6
, s
.udp4
, s
.udp6
);
4633 printf("TCP %-9d %-9d %-9d\n", s
.tcp4_hashed
+s
.tcp6_hashed
, s
.tcp4_hashed
, s
.tcp6_hashed
);
4634 printf("INET %-9d %-9d %-9d\n",
4635 s
.raw4
+s
.udp4
+s
.tcp4_hashed
+
4636 s
.raw6
+s
.udp6
+s
.tcp6_hashed
,
4637 s
.raw4
+s
.udp4
+s
.tcp4_hashed
,
4638 s
.raw6
+s
.udp6
+s
.tcp6_hashed
);
4639 printf("FRAG %-9d %-9d %-9d\n", s
.frag4
+s
.frag6
, s
.frag4
, s
.frag6
);
4646 static void _usage(FILE *dest
)
4649 "Usage: ss [ OPTIONS ]\n"
4650 " ss [ OPTIONS ] [ FILTER ]\n"
4651 " -h, --help this message\n"
4652 " -V, --version output version information\n"
4653 " -n, --numeric don't resolve service names\n"
4654 " -r, --resolve resolve host names\n"
4655 " -a, --all display all sockets\n"
4656 " -l, --listening display listening sockets\n"
4657 " -o, --options show timer information\n"
4658 " -e, --extended show detailed socket information\n"
4659 " -m, --memory show socket memory usage\n"
4660 " -p, --processes show process using socket\n"
4661 " -i, --info show internal TCP information\n"
4662 " --tipcinfo show internal tipc socket information\n"
4663 " -s, --summary show socket usage summary\n"
4664 " -b, --bpf show bpf filter socket information\n"
4665 " -E, --events continually display sockets as they are destroyed\n"
4666 " -Z, --context display process SELinux security contexts\n"
4667 " -z, --contexts display process and socket SELinux security contexts\n"
4668 " -N, --net switch to the specified network namespace name\n"
4670 " -4, --ipv4 display only IP version 4 sockets\n"
4671 " -6, --ipv6 display only IP version 6 sockets\n"
4672 " -0, --packet display PACKET sockets\n"
4673 " -t, --tcp display only TCP sockets\n"
4674 " -S, --sctp display only SCTP sockets\n"
4675 " -u, --udp display only UDP sockets\n"
4676 " -d, --dccp display only DCCP sockets\n"
4677 " -w, --raw display only RAW sockets\n"
4678 " -x, --unix display only Unix domain sockets\n"
4679 " --tipc display only TIPC sockets\n"
4680 " --vsock display only vsock sockets\n"
4681 " -f, --family=FAMILY display sockets of type FAMILY\n"
4682 " FAMILY := {inet|inet6|link|unix|netlink|vsock|tipc|help}\n"
4684 " -K, --kill forcibly close sockets, display what was closed\n"
4685 " -H, --no-header Suppress header line\n"
4687 " -A, --query=QUERY, --socket=QUERY\n"
4688 " QUERY := {all|inet|tcp|udp|raw|unix|unix_dgram|unix_stream|unix_seqpacket|packet|netlink|vsock_stream|vsock_dgram|tipc}[,QUERY]\n"
4690 " -D, --diag=FILE Dump raw information about TCP sockets to FILE\n"
4691 " -F, --filter=FILE read filter information from FILE\n"
4692 " FILTER := [ state STATE-FILTER ] [ EXPRESSION ]\n"
4693 " STATE-FILTER := {all|connected|synchronized|bucket|big|TCP-STATES}\n"
4694 " TCP-STATES := {established|syn-sent|syn-recv|fin-wait-{1,2}|time-wait|closed|close-wait|last-ack|listening|closing}\n"
4695 " connected := {established|syn-sent|syn-recv|fin-wait-{1,2}|time-wait|close-wait|last-ack|closing}\n"
4696 " synchronized := {established|syn-recv|fin-wait-{1,2}|time-wait|close-wait|last-ack|closing}\n"
4697 " bucket := {syn-recv|time-wait}\n"
4698 " big := {established|syn-sent|fin-wait-{1,2}|closed|close-wait|last-ack|listening|closing}\n"
4702 static void help(void) __attribute__((noreturn
));
4703 static void help(void)
4709 static void usage(void) __attribute__((noreturn
));
4710 static void usage(void)
4717 static int scan_state(const char *state
)
4719 static const char * const sstate_namel
[] = {
4721 [SS_ESTABLISHED
] = "established",
4722 [SS_SYN_SENT
] = "syn-sent",
4723 [SS_SYN_RECV
] = "syn-recv",
4724 [SS_FIN_WAIT1
] = "fin-wait-1",
4725 [SS_FIN_WAIT2
] = "fin-wait-2",
4726 [SS_TIME_WAIT
] = "time-wait",
4727 [SS_CLOSE
] = "unconnected",
4728 [SS_CLOSE_WAIT
] = "close-wait",
4729 [SS_LAST_ACK
] = "last-ack",
4730 [SS_LISTEN
] = "listening",
4731 [SS_CLOSING
] = "closing",
4735 if (strcasecmp(state
, "close") == 0 ||
4736 strcasecmp(state
, "closed") == 0)
4737 return (1<<SS_CLOSE
);
4738 if (strcasecmp(state
, "syn-rcv") == 0)
4739 return (1<<SS_SYN_RECV
);
4740 if (strcasecmp(state
, "established") == 0)
4741 return (1<<SS_ESTABLISHED
);
4742 if (strcasecmp(state
, "all") == 0)
4744 if (strcasecmp(state
, "connected") == 0)
4745 return SS_ALL
& ~((1<<SS_CLOSE
)|(1<<SS_LISTEN
));
4746 if (strcasecmp(state
, "synchronized") == 0)
4747 return SS_ALL
& ~((1<<SS_CLOSE
)|(1<<SS_LISTEN
)|(1<<SS_SYN_SENT
));
4748 if (strcasecmp(state
, "bucket") == 0)
4749 return (1<<SS_SYN_RECV
)|(1<<SS_TIME_WAIT
);
4750 if (strcasecmp(state
, "big") == 0)
4751 return SS_ALL
& ~((1<<SS_SYN_RECV
)|(1<<SS_TIME_WAIT
));
4752 for (i
= 0; i
< SS_MAX
; i
++) {
4753 if (strcasecmp(state
, sstate_namel
[i
]) == 0)
4757 fprintf(stderr
, "ss: wrong state name: %s\n", state
);
4761 /* Values 'v' and 'V' are already used so a non-character is used */
4762 #define OPT_VSOCK 256
4764 /* Values of 't' are already used so a non-character is used */
4765 #define OPT_TIPCSOCK 257
4766 #define OPT_TIPCINFO 258
4768 static const struct option long_opts
[] = {
4769 { "numeric", 0, 0, 'n' },
4770 { "resolve", 0, 0, 'r' },
4771 { "options", 0, 0, 'o' },
4772 { "extended", 0, 0, 'e' },
4773 { "memory", 0, 0, 'm' },
4774 { "info", 0, 0, 'i' },
4775 { "processes", 0, 0, 'p' },
4776 { "bpf", 0, 0, 'b' },
4777 { "events", 0, 0, 'E' },
4778 { "dccp", 0, 0, 'd' },
4779 { "tcp", 0, 0, 't' },
4780 { "sctp", 0, 0, 'S' },
4781 { "udp", 0, 0, 'u' },
4782 { "raw", 0, 0, 'w' },
4783 { "unix", 0, 0, 'x' },
4784 { "tipc", 0, 0, OPT_TIPCSOCK
},
4785 { "vsock", 0, 0, OPT_VSOCK
},
4786 { "all", 0, 0, 'a' },
4787 { "listening", 0, 0, 'l' },
4788 { "ipv4", 0, 0, '4' },
4789 { "ipv6", 0, 0, '6' },
4790 { "packet", 0, 0, '0' },
4791 { "family", 1, 0, 'f' },
4792 { "socket", 1, 0, 'A' },
4793 { "query", 1, 0, 'A' },
4794 { "summary", 0, 0, 's' },
4795 { "diag", 1, 0, 'D' },
4796 { "filter", 1, 0, 'F' },
4797 { "version", 0, 0, 'V' },
4798 { "help", 0, 0, 'h' },
4799 { "context", 0, 0, 'Z' },
4800 { "contexts", 0, 0, 'z' },
4801 { "net", 1, 0, 'N' },
4802 { "tipcinfo", 0, 0, OPT_TIPCINFO
},
4803 { "kill", 0, 0, 'K' },
4804 { "no-header", 0, 0, 'H' },
4809 int main(int argc
, char *argv
[])
4814 const char *dump_tcpdiag
= NULL
;
4815 FILE *filter_fp
= NULL
;
4817 int state_filter
= 0;
4819 while ((ch
= getopt_long(argc
, argv
,
4820 "dhaletuwxnro460spbEf:miA:D:F:vVzZN:KHS",
4821 long_opts
, NULL
)) != EOF
) {
4824 resolve_services
= 0;
4844 user_ent_hash_build();
4854 filter_db_set(¤t_filter
, DCCP_DB
, true);
4857 filter_db_set(¤t_filter
, TCP_DB
, true);
4860 filter_db_set(¤t_filter
, SCTP_DB
, true);
4863 filter_db_set(¤t_filter
, UDP_DB
, true);
4866 filter_db_set(¤t_filter
, RAW_DB
, true);
4869 filter_af_set(¤t_filter
, AF_UNIX
);
4872 filter_af_set(¤t_filter
, AF_VSOCK
);
4875 filter_af_set(¤t_filter
, AF_TIPC
);
4878 state_filter
= SS_ALL
;
4881 state_filter
= (1 << SS_LISTEN
) | (1 << SS_CLOSE
);
4884 filter_af_set(¤t_filter
, AF_INET
);
4887 filter_af_set(¤t_filter
, AF_INET6
);
4890 filter_af_set(¤t_filter
, AF_PACKET
);
4893 if (strcmp(optarg
, "inet") == 0)
4894 filter_af_set(¤t_filter
, AF_INET
);
4895 else if (strcmp(optarg
, "inet6") == 0)
4896 filter_af_set(¤t_filter
, AF_INET6
);
4897 else if (strcmp(optarg
, "link") == 0)
4898 filter_af_set(¤t_filter
, AF_PACKET
);
4899 else if (strcmp(optarg
, "unix") == 0)
4900 filter_af_set(¤t_filter
, AF_UNIX
);
4901 else if (strcmp(optarg
, "netlink") == 0)
4902 filter_af_set(¤t_filter
, AF_NETLINK
);
4903 else if (strcmp(optarg
, "tipc") == 0)
4904 filter_af_set(¤t_filter
, AF_TIPC
);
4905 else if (strcmp(optarg
, "vsock") == 0)
4906 filter_af_set(¤t_filter
, AF_VSOCK
);
4907 else if (strcmp(optarg
, "help") == 0)
4910 fprintf(stderr
, "ss: \"%s\" is invalid family\n",
4920 current_filter
.dbs
= 0;
4921 state_filter
= state_filter
?
4922 state_filter
: SS_CONN
;
4928 if ((p1
= strchr(p
, ',')) != NULL
)
4930 if (filter_db_parse(¤t_filter
, p
)) {
4931 fprintf(stderr
, "ss: \"%s\" is illegal socket table id\n", p
);
4942 dump_tcpdiag
= optarg
;
4946 fprintf(stderr
, "More than one filter file\n");
4949 if (optarg
[0] == '-')
4952 filter_fp
= fopen(optarg
, "r");
4954 perror("fopen filter file");
4960 printf("ss utility, iproute2-ss%s\n", SNAPSHOT
);
4966 if (is_selinux_enabled() <= 0) {
4967 fprintf(stderr
, "ss: SELinux is not enabled.\n");
4971 user_ent_hash_build();
4974 if (netns_switch(optarg
))
4981 current_filter
.kill
= 1;
4999 if (do_default
&& argc
== 0)
5004 if (strcmp(*argv
, "state") == 0) {
5008 state_filter
|= scan_state(*argv
);
5010 } else if (strcmp(*argv
, "exclude") == 0 ||
5011 strcmp(*argv
, "excl") == 0) {
5014 state_filter
= SS_ALL
;
5015 state_filter
&= ~scan_state(*argv
);
5024 state_filter
= state_filter
? state_filter
: SS_CONN
;
5025 filter_db_parse(¤t_filter
, "all");
5028 filter_states_set(¤t_filter
, state_filter
);
5029 filter_merge_defaults(¤t_filter
);
5031 if (resolve_services
&& resolve_hosts
&&
5032 (current_filter
.dbs
& (UNIX_DBM
|INET_L4_DBM
)))
5033 init_service_resolver();
5035 if (current_filter
.dbs
== 0) {
5036 fprintf(stderr
, "ss: no socket tables to show with such filter.\n");
5039 if (current_filter
.families
== 0) {
5040 fprintf(stderr
, "ss: no families to show with such filter.\n");
5043 if (current_filter
.states
== 0) {
5044 fprintf(stderr
, "ss: no socket states to show with such filter.\n");
5049 FILE *dump_fp
= stdout
;
5051 if (!(current_filter
.dbs
& (1<<TCP_DB
))) {
5052 fprintf(stderr
, "ss: tcpdiag dump requested and no tcp in filter.\n");
5055 if (dump_tcpdiag
[0] != '-') {
5056 dump_fp
= fopen(dump_tcpdiag
, "w");
5057 if (!dump_tcpdiag
) {
5058 perror("fopen dump file");
5062 inet_show_netlink(¤t_filter
, dump_fp
, IPPROTO_TCP
);
5067 if (ssfilter_parse(¤t_filter
.f
, argc
, argv
, filter_fp
))
5070 if (!(current_filter
.dbs
& (current_filter
.dbs
- 1)))
5071 columns
[COL_NETID
].disabled
= 1;
5073 if (!(current_filter
.states
& (current_filter
.states
- 1)))
5074 columns
[COL_STATE
].disabled
= 1;
5082 exit(handle_follow_request(¤t_filter
));
5084 if (current_filter
.dbs
& (1<<NETLINK_DB
))
5085 netlink_show(¤t_filter
);
5086 if (current_filter
.dbs
& PACKET_DBM
)
5087 packet_show(¤t_filter
);
5088 if (current_filter
.dbs
& UNIX_DBM
)
5089 unix_show(¤t_filter
);
5090 if (current_filter
.dbs
& (1<<RAW_DB
))
5091 raw_show(¤t_filter
);
5092 if (current_filter
.dbs
& (1<<UDP_DB
))
5093 udp_show(¤t_filter
);
5094 if (current_filter
.dbs
& (1<<TCP_DB
))
5095 tcp_show(¤t_filter
);
5096 if (current_filter
.dbs
& (1<<DCCP_DB
))
5097 dccp_show(¤t_filter
);
5098 if (current_filter
.dbs
& (1<<SCTP_DB
))
5099 sctp_show(¤t_filter
);
5100 if (current_filter
.dbs
& VSOCK_DBM
)
5101 vsock_show(¤t_filter
);
5102 if (current_filter
.dbs
& (1<<TIPC_DB
))
5103 tipc_show(¤t_filter
);
5105 if (show_users
|| show_proc_ctx
|| show_sock_ctx
)