#include <errno.h>
#include <netdb.h>
#include <arpa/inet.h>
-#include <resolv.h>
#include <dirent.h>
#include <fnmatch.h>
#include <getopt.h>
#include "libnetlink.h"
#include "SNAPSHOT.h"
-#include <netinet/tcp.h>
+#include <linux/tcp.h>
+#include <linux/sock_diag.h>
#include <linux/inet_diag.h>
+#include <linux/unix_diag.h>
+#include <linux/netdevice.h> /* for MAX_ADDR_LEN */
+#include <linux/filter.h>
+#include <linux/packet_diag.h>
+#include <linux/netlink_diag.h>
+
+#define MAGIC_SEQ 123456
+
+#define DIAG_REQUEST(_req, _r) \
+ struct { \
+ struct nlmsghdr nlh; \
+ _r; \
+ } _req = { \
+ .nlh = { \
+ .nlmsg_type = SOCK_DIAG_BY_FAMILY, \
+ .nlmsg_flags = NLM_F_ROOT|NLM_F_MATCH|NLM_F_REQUEST,\
+ .nlmsg_seq = MAGIC_SEQ, \
+ .nlmsg_len = sizeof(_req), \
+ }, \
+ }
+
+#if HAVE_SELINUX
+#include <selinux/selinux.h>
+#else
+/* Stubs for SELinux functions */
+static int is_selinux_enabled(void)
+{
+ return -1;
+}
+
+static int getpidcon(pid_t pid, char **context)
+{
+ *context = NULL;
+ return -1;
+}
+
+static int getfilecon(char *path, char **context)
+{
+ *context = NULL;
+ return -1;
+}
+
+static int security_get_initial_context(char *name, char **context)
+{
+ *context = NULL;
+ return -1;
+}
+#endif
int resolve_hosts = 0;
int resolve_services = 1;
int show_users = 0;
int show_mem = 0;
int show_tcpinfo = 0;
+int show_bpf = 0;
+int show_proc_ctx = 0;
+int show_sock_ctx = 0;
+/* If show_users & show_proc_ctx only do user_ent_hash_build() once */
+int user_ent_hash_build_init = 0;
int netid_width;
int state_width;
RAW_DB,
UNIX_DG_DB,
UNIX_ST_DB,
+ UNIX_SQ_DB,
PACKET_DG_DB,
PACKET_R_DB,
NETLINK_DB,
};
#define PACKET_DBM ((1<<PACKET_DG_DB)|(1<<PACKET_R_DB))
-#define UNIX_DBM ((1<<UNIX_DG_DB)|(1<<UNIX_ST_DB))
+#define UNIX_DBM ((1<<UNIX_DG_DB)|(1<<UNIX_ST_DB)|(1<<UNIX_SQ_DB))
#define ALL_DB ((1<<MAX_DB)-1)
enum {
};
struct filter default_filter = {
- .dbs = (1<<TCP_DB),
+ .dbs = ~0,
.states = SS_ALL & ~((1<<SS_LISTEN)|(1<<SS_CLOSE)|(1<<SS_TIME_WAIT)|(1<<SS_SYN_RECV)),
.families= (1<<AF_INET)|(1<<AF_INET6),
};
unsigned int ino;
int pid;
int fd;
- char process[0];
+ char *process;
+ char *process_ctx;
+ char *socket_ctx;
};
#define USER_ENT_HASH_SIZE 256
return val & (USER_ENT_HASH_SIZE - 1);
}
-static void user_ent_add(unsigned int ino, const char *process, int pid, int fd)
+static void user_ent_add(unsigned int ino, char *process,
+ int pid, int fd,
+ char *proc_ctx,
+ char *sock_ctx)
{
struct user_ent *p, **pp;
- int str_len;
- str_len = strlen(process) + 1;
- p = malloc(sizeof(struct user_ent) + str_len);
- if (!p)
+ p = malloc(sizeof(struct user_ent));
+ if (!p) {
+ fprintf(stderr, "ss: failed to malloc buffer\n");
abort();
+ }
p->next = NULL;
p->ino = ino;
p->pid = pid;
p->fd = fd;
- strcpy(p->process, process);
+ p->process = strdup(process);
+ p->process_ctx = strdup(proc_ctx);
+ p->socket_ctx = strdup(sock_ctx);
pp = &user_ent_hash[user_ent_hashfn(ino)];
p->next = *pp;
*pp = p;
}
+static void user_ent_destroy(void)
+{
+ struct user_ent *p, *p_next;
+ int cnt = 0;
+
+ while (cnt != USER_ENT_HASH_SIZE) {
+ p = user_ent_hash[cnt];
+ while (p) {
+ free(p->process);
+ free(p->process_ctx);
+ free(p->socket_ctx);
+ p_next = p->next;
+ free(p);
+ p = p_next;
+ }
+ cnt++;
+ }
+}
+
static void user_ent_hash_build(void)
{
const char *root = getenv("PROC_ROOT") ? : "/proc/";
char name[1024];
int nameoff;
DIR *dir;
+ char *pid_context;
+ char *sock_context;
+ const char *no_ctx = "unavailable";
+
+ /* If show_users & show_proc_ctx set only do this once */
+ if (user_ent_hash_build_init != 0)
+ return;
+
+ user_ent_hash_build_init = 1;
strcpy(name, root);
if (strlen(name) == 0 || name[strlen(name)-1] != '/')
while ((d = readdir(dir)) != NULL) {
struct dirent *d1;
char process[16];
+ char *p;
int pid, pos;
DIR *dir1;
char crap;
if (sscanf(d->d_name, "%d%c", &pid, &crap) != 1)
continue;
+ if (getpidcon(pid, &pid_context) != 0)
+ pid_context = strdup(no_ctx);
+
sprintf(name + nameoff, "%d/fd/", pid);
pos = strlen(name);
if ((dir1 = opendir(name)) == NULL)
continue;
process[0] = '\0';
+ p = process;
while ((d1 = readdir(dir1)) != NULL) {
const char *pattern = "socket:[";
char lnk[64];
int fd;
ssize_t link_len;
+ char tmp[1024];
if (sscanf(d1->d_name, "%d%c", &fd, &crap) != 1)
continue;
sscanf(lnk, "socket:[%u]", &ino);
- if (process[0] == '\0') {
- char tmp[1024];
+ snprintf(tmp, sizeof(tmp), "%s/%d/fd/%s",
+ root, pid, d1->d_name);
+
+ if (getfilecon(tmp, &sock_context) <= 0)
+ sock_context = strdup(no_ctx);
+
+ if (*p == '\0') {
FILE *fp;
- snprintf(tmp, sizeof(tmp), "%s/%d/stat", root, pid);
+ snprintf(tmp, sizeof(tmp), "%s/%d/stat",
+ root, pid);
if ((fp = fopen(tmp, "r")) != NULL) {
- fscanf(fp, "%*d (%[^)])", process);
+ fscanf(fp, "%*d (%[^)])", p);
fclose(fp);
}
}
-
- user_ent_add(ino, process, pid, fd);
+ user_ent_add(ino, p, pid, fd,
+ pid_context, sock_context);
+ free(sock_context);
}
+ free(pid_context);
closedir(dir1);
}
closedir(dir);
}
-int find_users(unsigned ino, char *buf, int buflen)
+enum entry_types {
+ USERS,
+ PROC_CTX,
+ PROC_SOCK_CTX
+};
+
+#define ENTRY_BUF_SIZE 512
+static int find_entry(unsigned ino, char **buf, int type)
{
struct user_ent *p;
int cnt = 0;
char *ptr;
+ char **new_buf = buf;
+ int len, new_buf_len;
+ int buf_used = 0;
+ int buf_len = 0;
if (!ino)
return 0;
p = user_ent_hash[user_ent_hashfn(ino)];
- ptr = buf;
+ ptr = *buf = NULL;
while (p) {
if (p->ino != ino)
goto next;
- if (ptr - buf >= buflen - 1)
- break;
+ while (1) {
+ ptr = *buf + buf_used;
+ switch (type) {
+ case USERS:
+ len = snprintf(ptr, buf_len - buf_used,
+ "(\"%s\",pid=%d,fd=%d),",
+ p->process, p->pid, p->fd);
+ break;
+ case PROC_CTX:
+ len = snprintf(ptr, buf_len - buf_used,
+ "(\"%s\",pid=%d,proc_ctx=%s,fd=%d),",
+ p->process, p->pid,
+ p->process_ctx, p->fd);
+ break;
+ case PROC_SOCK_CTX:
+ len = snprintf(ptr, buf_len - buf_used,
+ "(\"%s\",pid=%d,proc_ctx=%s,fd=%d,sock_ctx=%s),",
+ p->process, p->pid,
+ p->process_ctx, p->fd,
+ p->socket_ctx);
+ break;
+ default:
+ fprintf(stderr, "ss: invalid type: %d\n", type);
+ abort();
+ }
- snprintf(ptr, buflen - (ptr - buf),
- "(\"%s\",%d,%d),",
- p->process, p->pid, p->fd);
- ptr += strlen(ptr);
+ if (len < 0 || len >= buf_len - buf_used) {
+ new_buf_len = buf_len + ENTRY_BUF_SIZE;
+ *new_buf = realloc(*buf, new_buf_len);
+ if (!new_buf) {
+ fprintf(stderr, "ss: failed to malloc buffer\n");
+ abort();
+ }
+ **buf = **new_buf;
+ buf_len = new_buf_len;
+ continue;
+ } else {
+ buf_used += len;
+ break;
+ }
+ }
cnt++;
-
- next:
+next:
p = p->next;
}
-
- if (ptr != buf)
+ if (buf_used) {
+ ptr = *buf + buf_used;
ptr[-1] = '\0';
-
+ }
return cnt;
}
"skbuff_head_cache",
};
-int get_slabstat(struct slabstat *s)
+static int get_slabstat(struct slabstat *s)
{
char buf[256];
FILE *fp;
static const char *sstate_name[] = {
"UNKNOWN",
- [TCP_ESTABLISHED] = "ESTAB",
- [TCP_SYN_SENT] = "SYN-SENT",
- [TCP_SYN_RECV] = "SYN-RECV",
- [TCP_FIN_WAIT1] = "FIN-WAIT-1",
- [TCP_FIN_WAIT2] = "FIN-WAIT-2",
- [TCP_TIME_WAIT] = "TIME-WAIT",
- [TCP_CLOSE] = "UNCONN",
- [TCP_CLOSE_WAIT] = "CLOSE-WAIT",
- [TCP_LAST_ACK] = "LAST-ACK",
- [TCP_LISTEN] = "LISTEN",
- [TCP_CLOSING] = "CLOSING",
+ [SS_ESTABLISHED] = "ESTAB",
+ [SS_SYN_SENT] = "SYN-SENT",
+ [SS_SYN_RECV] = "SYN-RECV",
+ [SS_FIN_WAIT1] = "FIN-WAIT-1",
+ [SS_FIN_WAIT2] = "FIN-WAIT-2",
+ [SS_TIME_WAIT] = "TIME-WAIT",
+ [SS_CLOSE] = "UNCONN",
+ [SS_CLOSE_WAIT] = "CLOSE-WAIT",
+ [SS_LAST_ACK] = "LAST-ACK",
+ [SS_LISTEN] = "LISTEN",
+ [SS_CLOSING] = "CLOSING",
};
static const char *sstate_namel[] = {
"UNKNOWN",
- [TCP_ESTABLISHED] = "established",
- [TCP_SYN_SENT] = "syn-sent",
- [TCP_SYN_RECV] = "syn-recv",
- [TCP_FIN_WAIT1] = "fin-wait-1",
- [TCP_FIN_WAIT2] = "fin-wait-2",
- [TCP_TIME_WAIT] = "time-wait",
- [TCP_CLOSE] = "unconnected",
- [TCP_CLOSE_WAIT] = "close-wait",
- [TCP_LAST_ACK] = "last-ack",
- [TCP_LISTEN] = "listening",
- [TCP_CLOSING] = "closing",
+ [SS_ESTABLISHED] = "established",
+ [SS_SYN_SENT] = "syn-sent",
+ [SS_SYN_RECV] = "syn-recv",
+ [SS_FIN_WAIT1] = "fin-wait-1",
+ [SS_FIN_WAIT2] = "fin-wait-2",
+ [SS_TIME_WAIT] = "time-wait",
+ [SS_CLOSE] = "unconnected",
+ [SS_CLOSE_WAIT] = "close-wait",
+ [SS_LAST_ACK] = "last-ack",
+ [SS_LISTEN] = "listening",
+ [SS_CLOSING] = "closing",
};
struct tcpstat
"unknown"
};
-const char *print_ms_timer(int timeout)
+static const char *print_ms_timer(int timeout)
{
static char buf[64];
int secs, msecs, minutes;
return buf;
}
-const char *print_hz_timer(int timeout)
+static const char *print_hz_timer(int timeout)
{
int hz = get_user_hz();
return print_ms_timer(((timeout*1000) + hz-1)/hz);
struct scache *rlist;
-void init_service_resolver(void)
+static void init_service_resolver(void)
{
char buf[128];
FILE *fp = popen("/usr/sbin/rpcinfo -p 2>/dev/null", "r");
}
-const char *__resolve_service(int port)
+static const char *__resolve_service(int port)
{
struct scache *c;
}
-const char *resolve_service(int port)
+static const char *resolve_service(int port)
{
static char buf[128];
static struct scache cache[256];
return buf;
}
-void formatted_print(const inet_prefix *a, int port)
+static void formatted_print(const inet_prefix *a, int port, unsigned int ifindex)
{
char buf[1024];
const char *ap = buf;
else
est_len = addr_width + ((est_len-addr_width+3)/4)*4;
}
- printf("%*s:%-*s ", est_len, ap, serv_width, resolve_service(port));
+ if (ifindex) {
+ const char *ifname = ll_index_to_name(ifindex);
+ const int len = strlen(ifname) + 1; /* +1 for percent char */
+
+ printf("%*s%%%s:%-*s ", est_len - len, ap, ifname, serv_width,
+ resolve_service(port));
+ } else
+ printf("%*s:%-*s ", est_len, ap, serv_width, resolve_service(port));
}
struct aafilter
struct aafilter *next;
};
-int inet2_addr_match(const inet_prefix *a, const inet_prefix *p, int plen)
+static int inet2_addr_match(const inet_prefix *a, const inet_prefix *p,
+ int plen)
{
if (!inet_addr_match(a, p, plen))
return 0;
return 1;
}
-int unix_match(const inet_prefix *a, const inet_prefix *p)
+static int unix_match(const inet_prefix *a, const inet_prefix *p)
{
char *addr, *pattern;
memcpy(&addr, a->data, sizeof(addr));
return !fnmatch(pattern, addr, 0);
}
-int run_ssfilter(struct ssfilter *f, struct tcpstat *s)
+static int run_ssfilter(struct ssfilter *f, struct tcpstat *s)
{
switch (f->type) {
case SSF_S_AUTO:
case SSF_AND:
{
- char *a1, *a2, *a, l1, l2;
+ char *a1, *a2, *a;
+ int l1, l2;
l1 = ssfilter_bytecompile(f->pred, &a1);
l2 = ssfilter_bytecompile(f->post, &a2);
if (!(a = malloc(l1+l2))) abort();
}
case SSF_OR:
{
- char *a1, *a2, *a, l1, l2;
+ char *a1, *a2, *a;
+ int l1, l2;
l1 = ssfilter_bytecompile(f->pred, &a1);
l2 = ssfilter_bytecompile(f->post, &a2);
if (!(a = malloc(l1+l2+4))) abort();
}
case SSF_NOT:
{
- char *a1, *a, l1;
+ char *a1, *a;
+ int l1;
l1 = ssfilter_bytecompile(f->pred, &a1);
if (!(a = malloc(l1+4))) abort();
memcpy(a, a1, l1);
static void xll_init(void)
{
struct rtnl_handle rth;
- rtnl_open(&rth, 0);
+ if (rtnl_open(&rth, 0) < 0)
+ exit(1);
+
ll_init_map(&rth);
rtnl_close(&rth);
xll_initted = 1;
}
if (addr[0] && strcmp(addr, "*")) {
a.addr.bitlen = 32;
- if (get_u32(a.addr.data, addr, 0)) {
- if (strcmp(addr, "rtnl") == 0)
- a.addr.data[0] = 0;
- else if (strcmp(addr, "fw") == 0)
- a.addr.data[0] = 3;
- else if (strcmp(addr, "tcpdiag") == 0)
- a.addr.data[0] = 4;
- else
- return NULL;
- }
+ if (nl_proto_a2n(&a.addr.data[0], addr) == -1)
+ return NULL;
}
goto out;
}
printf("%-6d %-6d ", s.rq, s.wq);
- formatted_print(&s.local, s.lport);
- formatted_print(&s.remote, s.rport);
+ formatted_print(&s.local, s.lport, 0);
+ formatted_print(&s.remote, s.rport, 0);
if (show_options) {
if (s.timer) {
if (s.qack&1)
printf(" bidir");
}
- if (show_users) {
- char ubuf[4096];
- if (find_users(s.ino, ubuf, sizeof(ubuf)) > 0)
- printf(" users:(%s)", ubuf);
+ char *buf = NULL;
+ if (show_proc_ctx || show_sock_ctx) {
+ if (find_entry(s.ino, &buf,
+ (show_proc_ctx & show_sock_ctx) ?
+ PROC_SOCK_CTX : PROC_CTX) > 0) {
+ printf(" users:(%s)", buf);
+ free(buf);
+ }
+ } else if (show_users) {
+ if (find_entry(s.ino, &buf, USERS) > 0) {
+ printf(" users:(%s)", buf);
+ free(buf);
+ }
}
+
if (show_details) {
if (s.uid)
printf(" uid:%u", (unsigned)s.uid);
return buf;
}
-static void tcp_show_info(const struct nlmsghdr *nlh, struct inet_diag_msg *r)
+static void print_skmeminfo(struct rtattr *tb[], int attrtype)
+{
+ const __u32 *skmeminfo;
+ if (!tb[attrtype])
+ return;
+ skmeminfo = RTA_DATA(tb[attrtype]);
+
+ printf(" skmem:(r%u,rb%u,t%u,tb%u,f%u,w%u,o%u",
+ skmeminfo[SK_MEMINFO_RMEM_ALLOC],
+ skmeminfo[SK_MEMINFO_RCVBUF],
+ skmeminfo[SK_MEMINFO_WMEM_ALLOC],
+ skmeminfo[SK_MEMINFO_SNDBUF],
+ skmeminfo[SK_MEMINFO_FWD_ALLOC],
+ skmeminfo[SK_MEMINFO_WMEM_QUEUED],
+ skmeminfo[SK_MEMINFO_OPTMEM]);
+
+ if (RTA_PAYLOAD(tb[attrtype]) >=
+ (SK_MEMINFO_BACKLOG + 1) * sizeof(__u32))
+ printf(",bl%u", skmeminfo[SK_MEMINFO_BACKLOG]);
+
+ printf(")");
+}
+
+static void tcp_show_info(const struct nlmsghdr *nlh, struct inet_diag_msg *r,
+ struct rtattr *tb[])
{
- struct rtattr * tb[INET_DIAG_MAX+1];
char b1[64];
double rtt = 0;
- parse_rtattr(tb, INET_DIAG_MAX, (struct rtattr*)(r+1),
- nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*r)));
-
- if (tb[INET_DIAG_MEMINFO]) {
+ if (tb[INET_DIAG_SKMEMINFO]) {
+ print_skmeminfo(tb, INET_DIAG_SKMEMINFO);
+ } else if (tb[INET_DIAG_MEMINFO]) {
const struct inet_diag_meminfo *minfo
= RTA_DATA(tb[INET_DIAG_MEMINFO]);
printf(" mem:(r%u,w%u,f%u,t%u)",
printf(" ecn");
if (info->tcpi_options & TCPI_OPT_ECN_SEEN)
printf(" ecnseen");
+ if (info->tcpi_options & TCPI_OPT_SYN_DATA)
+ printf(" fastopen");
}
if (tb[INET_DIAG_CONG])
- printf(" %s", (char *) RTA_DATA(tb[INET_DIAG_CONG]));
+ printf(" %s", rta_getattr_str(tb[INET_DIAG_CONG]));
if (info->tcpi_options & TCPI_OPT_WSCALE)
printf(" wscale:%d,%d", info->tcpi_snd_wscale,
info->tcpi_rcv_wscale);
if (info->tcpi_rto && info->tcpi_rto != 3000000)
printf(" rto:%g", (double)info->tcpi_rto/1000);
+ if (info->tcpi_backoff)
+ printf(" backoff:%u", info->tcpi_backoff);
if (info->tcpi_rtt)
printf(" rtt:%g/%g", (double)info->tcpi_rtt/1000,
(double)info->tcpi_rttvar/1000);
if (info->tcpi_ato)
printf(" ato:%g", (double)info->tcpi_ato/1000);
+ if (info->tcpi_snd_mss)
+ printf(" mss:%d", info->tcpi_snd_mss);
if (info->tcpi_snd_cwnd != 2)
printf(" cwnd:%d", info->tcpi_snd_cwnd);
if (info->tcpi_snd_ssthresh < 0xFFFF)
rtt = vinfo->tcpv_rtt;
}
+ if (tb[INET_DIAG_DCTCPINFO]) {
+ const struct tcp_dctcp_info *dinfo
+ = RTA_DATA(tb[INET_DIAG_DCTCPINFO]);
+
+ if (dinfo->dctcp_enabled) {
+ printf(" ce_state %u alpha %u ab_ecn %u ab_tot %u",
+ dinfo->dctcp_ce_state, dinfo->dctcp_alpha,
+ dinfo->dctcp_ab_ecn, dinfo->dctcp_ab_tot);
+ } else {
+ printf(" fallback_mode");
+ }
+ }
+
if (rtt > 0 && info->tcpi_snd_mss && info->tcpi_snd_cwnd) {
printf(" send %sbps",
sprint_bw(b1, (double) info->tcpi_snd_cwnd *
/ rtt));
}
+ if (info->tcpi_last_data_sent)
+ printf(" lastsnd:%u", info->tcpi_last_data_sent);
+
+ if (info->tcpi_last_data_recv)
+ printf(" lastrcv:%u", info->tcpi_last_data_recv);
+
+ if (info->tcpi_last_ack_recv)
+ printf(" lastack:%u", info->tcpi_last_ack_recv);
+
+ if (info->tcpi_pacing_rate &&
+ info->tcpi_pacing_rate != ~0ULL) {
+ printf(" pacing_rate %sbps",
+ sprint_bw(b1, info->tcpi_pacing_rate * 8.));
+
+ if (info->tcpi_max_pacing_rate &&
+ info->tcpi_max_pacing_rate != ~0ULL)
+ printf("/%sbps",
+ sprint_bw(b1, info->tcpi_max_pacing_rate * 8.));
+ }
+ if (info->tcpi_unacked)
+ printf(" unacked:%u", info->tcpi_unacked);
+ if (info->tcpi_retrans || info->tcpi_total_retrans)
+ printf(" retrans:%u/%u", info->tcpi_retrans,
+ info->tcpi_total_retrans);
+ if (info->tcpi_lost)
+ printf(" lost:%u", info->tcpi_lost);
+ if (info->tcpi_sacked && r->idiag_state != SS_LISTEN)
+ printf(" sacked:%u", info->tcpi_sacked);
+ if (info->tcpi_fackets)
+ printf(" fackets:%u", info->tcpi_fackets);
+ if (info->tcpi_reordering != 3)
+ printf(" reordering:%d", info->tcpi_reordering);
if (info->tcpi_rcv_rtt)
printf(" rcv_rtt:%g", (double) info->tcpi_rcv_rtt/1000);
if (info->tcpi_rcv_space)
}
}
-static int tcp_show_sock(struct nlmsghdr *nlh, struct filter *f)
+static char *proto_name(int protocol)
+{
+ switch (protocol) {
+ case IPPROTO_UDP:
+ return "udp";
+ case IPPROTO_TCP:
+ return "tcp";
+ case IPPROTO_DCCP:
+ return "dccp";
+ }
+
+ return "???";
+}
+
+static int inet_show_sock(struct nlmsghdr *nlh, struct filter *f, int protocol)
{
+ struct rtattr * tb[INET_DIAG_MAX+1];
struct inet_diag_msg *r = NLMSG_DATA(nlh);
struct tcpstat s;
+ parse_rtattr(tb, INET_DIAG_MAX, (struct rtattr*)(r+1),
+ nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*r)));
+
s.state = r->idiag_state;
s.local.family = s.remote.family = r->idiag_family;
s.lport = ntohs(r->id.idiag_sport);
return 0;
if (netid_width)
- printf("%-*s ", netid_width, "tcp");
+ printf("%-*s ", netid_width, proto_name(protocol));
if (state_width)
printf("%-*s ", state_width, sstate_name[s.state]);
printf("%-6d %-6d ", r->idiag_rqueue, r->idiag_wqueue);
- formatted_print(&s.local, s.lport);
- formatted_print(&s.remote, s.rport);
+ formatted_print(&s.local, s.lport, r->id.idiag_if);
+ formatted_print(&s.remote, s.rport, 0);
if (show_options) {
if (r->idiag_timer) {
r->idiag_retrans);
}
}
- if (show_users) {
- char ubuf[4096];
- if (find_users(r->idiag_inode, ubuf, sizeof(ubuf)) > 0)
- printf(" users:(%s)", ubuf);
+ char *buf = NULL;
+
+ if (show_proc_ctx || show_sock_ctx) {
+ if (find_entry(r->idiag_inode, &buf,
+ (show_proc_ctx & show_sock_ctx) ?
+ PROC_SOCK_CTX : PROC_CTX) > 0) {
+ printf(" users:(%s)", buf);
+ free(buf);
+ }
+ } else if (show_users) {
+ if (find_entry(r->idiag_inode, &buf, USERS) > 0) {
+ printf(" users:(%s)", buf);
+ free(buf);
+ }
}
+
if (show_details) {
if (r->idiag_uid)
printf(" uid:%u", (unsigned)r->idiag_uid);
printf(" sk:");
if (r->id.idiag_cookie[1] != 0)
printf("%08x", r->id.idiag_cookie[1]);
- printf("%08x", r->id.idiag_cookie[0]);
+ printf("%08x", r->id.idiag_cookie[0]);
+ if (tb[INET_DIAG_SHUTDOWN]) {
+ unsigned char mask;
+ mask = *(__u8 *)RTA_DATA(tb[INET_DIAG_SHUTDOWN]);
+ printf(" %c-%c", mask & 1 ? '-' : '<', mask & 2 ? '-' : '>');
+ }
}
if (show_mem || show_tcpinfo) {
printf("\n\t");
- tcp_show_info(nlh, r);
+ tcp_show_info(nlh, r, tb);
}
printf("\n");
return 0;
}
-static int tcp_show_netlink(struct filter *f, FILE *dump_fp, int socktype)
+static int tcpdiag_send(int fd, int protocol, struct filter *f)
{
- int fd;
struct sockaddr_nl nladdr;
struct {
struct nlmsghdr nlh;
int bclen;
struct msghdr msg;
struct rtattr rta;
- char buf[8192];
struct iovec iov[3];
- if ((fd = socket(AF_NETLINK, SOCK_RAW, NETLINK_INET_DIAG)) < 0)
+ if (protocol == IPPROTO_UDP)
return -1;
memset(&nladdr, 0, sizeof(nladdr));
nladdr.nl_family = AF_NETLINK;
req.nlh.nlmsg_len = sizeof(req);
- req.nlh.nlmsg_type = socktype;
+ if (protocol == IPPROTO_TCP)
+ req.nlh.nlmsg_type = TCPDIAG_GETSOCK;
+ else
+ req.nlh.nlmsg_type = DCCPDIAG_GETSOCK;
req.nlh.nlmsg_flags = NLM_F_ROOT|NLM_F_MATCH|NLM_F_REQUEST;
req.nlh.nlmsg_pid = 0;
- req.nlh.nlmsg_seq = 123456;
+ req.nlh.nlmsg_seq = MAGIC_SEQ;
memset(&req.r, 0, sizeof(req.r));
req.r.idiag_family = AF_INET;
req.r.idiag_states = f->states;
- if (show_mem)
+ if (show_mem) {
+ req.r.idiag_ext |= (1<<(INET_DIAG_MEMINFO-1));
+ req.r.idiag_ext |= (1<<(INET_DIAG_SKMEMINFO-1));
+ }
+
+ if (show_tcpinfo) {
+ req.r.idiag_ext |= (1<<(INET_DIAG_INFO-1));
+ req.r.idiag_ext |= (1<<(INET_DIAG_VEGASINFO-1));
+ req.r.idiag_ext |= (1<<(INET_DIAG_CONG-1));
+ }
+
+ iov[0] = (struct iovec){
+ .iov_base = &req,
+ .iov_len = sizeof(req)
+ };
+ if (f->f) {
+ bclen = ssfilter_bytecompile(f->f, &bc);
+ rta.rta_type = INET_DIAG_REQ_BYTECODE;
+ rta.rta_len = RTA_LENGTH(bclen);
+ iov[1] = (struct iovec){ &rta, sizeof(rta) };
+ iov[2] = (struct iovec){ bc, bclen };
+ req.nlh.nlmsg_len += RTA_LENGTH(bclen);
+ }
+
+ msg = (struct msghdr) {
+ .msg_name = (void*)&nladdr,
+ .msg_namelen = sizeof(nladdr),
+ .msg_iov = iov,
+ .msg_iovlen = f->f ? 3 : 1,
+ };
+
+ if (sendmsg(fd, &msg, 0) < 0) {
+ close(fd);
+ return -1;
+ }
+
+ return 0;
+}
+
+static int sockdiag_send(int family, int fd, int protocol, struct filter *f)
+{
+ struct sockaddr_nl nladdr;
+ DIAG_REQUEST(req, struct inet_diag_req_v2 r);
+ char *bc = NULL;
+ int bclen;
+ struct msghdr msg;
+ struct rtattr rta;
+ struct iovec iov[3];
+
+ if (family == PF_UNSPEC)
+ return tcpdiag_send(fd, protocol, f);
+
+ memset(&nladdr, 0, sizeof(nladdr));
+ nladdr.nl_family = AF_NETLINK;
+
+ memset(&req.r, 0, sizeof(req.r));
+ req.r.sdiag_family = family;
+ req.r.sdiag_protocol = protocol;
+ req.r.idiag_states = f->states;
+ if (show_mem) {
req.r.idiag_ext |= (1<<(INET_DIAG_MEMINFO-1));
+ req.r.idiag_ext |= (1<<(INET_DIAG_SKMEMINFO-1));
+ }
if (show_tcpinfo) {
req.r.idiag_ext |= (1<<(INET_DIAG_INFO-1));
.msg_iovlen = f->f ? 3 : 1,
};
- if (sendmsg(fd, &msg, 0) < 0)
+ if (sendmsg(fd, &msg, 0) < 0) {
+ close(fd);
return -1;
+ }
+
+ return 0;
+}
+
+static int inet_show_netlink(struct filter *f, FILE *dump_fp, int protocol)
+{
+ int fd, family;
+ struct sockaddr_nl nladdr;
+ struct msghdr msg;
+ char buf[16384];
+ struct iovec iov[3];
+
+ if ((fd = socket(AF_NETLINK, SOCK_RAW, NETLINK_INET_DIAG)) < 0)
+ return -1;
+
+ family = PF_INET;
+again:
+ if (sockdiag_send(family, fd, protocol, f))
+ return -1;
+
+ memset(&nladdr, 0, sizeof(nladdr));
+ nladdr.nl_family = AF_NETLINK;
iov[0] = (struct iovec){
.iov_base = buf,
}
if (status == 0) {
fprintf(stderr, "EOF on netlink\n");
+ close(fd);
return 0;
}
struct inet_diag_msg *r = NLMSG_DATA(h);
if (/*h->nlmsg_pid != rth->local.nl_pid ||*/
- h->nlmsg_seq != 123456)
+ h->nlmsg_seq != MAGIC_SEQ)
goto skip_it;
if (h->nlmsg_type == NLMSG_DONE)
- return 0;
+ goto done;
+
if (h->nlmsg_type == NLMSG_ERROR) {
struct nlmsgerr *err = (struct nlmsgerr*)NLMSG_DATA(h);
if (h->nlmsg_len < NLMSG_LENGTH(sizeof(struct nlmsgerr))) {
fprintf(stderr, "ERROR truncated\n");
} else {
+ if (family != PF_UNSPEC) {
+ family = PF_UNSPEC;
+ goto again;
+ }
+
errno = -err->error;
+ if (errno == EOPNOTSUPP) {
+ close(fd);
+ return -1;
+ }
perror("TCPDIAG answers");
}
- return 0;
+
+ goto done;
}
if (!dump_fp) {
if (!(f->families & (1<<r->idiag_family))) {
h = NLMSG_NEXT(h, status);
continue;
}
- err = tcp_show_sock(h, NULL);
- if (err < 0)
+ err = inet_show_sock(h, NULL, protocol);
+ if (err < 0) {
+ close(fd);
return err;
+ }
}
skip_it:
exit(1);
}
}
+done:
+ if (family == PF_INET) {
+ family = PF_INET6;
+ goto again;
+ }
+
+ close(fd);
return 0;
}
static int tcp_show_netlink_file(struct filter *f)
{
FILE *fp;
- char buf[8192];
+ char buf[16384];
if ((fp = fopen(getenv("TCPDIAG_FILE"), "r")) == NULL) {
perror("fopen($TCPDIAG_FILE)");
return -1;
}
- err = tcp_show_sock(h, f);
+ err = inet_show_sock(h, f, IPPROTO_TCP);
if (err < 0)
return err;
}
return tcp_show_netlink_file(f);
if (!getenv("PROC_NET_TCP") && !getenv("PROC_ROOT")
- && tcp_show_netlink(f, NULL, socktype) == 0)
+ && inet_show_netlink(f, NULL, socktype) == 0)
return 0;
/* Sigh... We have to parse /proc/net/tcp... */
}
-int dgram_show_line(char *line, const struct filter *f, int family)
+static int dgram_show_line(char *line, const struct filter *f, int family)
{
struct tcpstat s;
char *loc, *rem, *data;
printf("%-6d %-6d ", s.rq, s.wq);
- formatted_print(&s.local, s.lport);
- formatted_print(&s.remote, s.rport);
+ formatted_print(&s.local, s.lport, 0);
+ formatted_print(&s.remote, s.rport, 0);
+
+ char *buf = NULL;
- if (show_users) {
- char ubuf[4096];
- if (find_users(s.ino, ubuf, sizeof(ubuf)) > 0)
- printf(" users:(%s)", ubuf);
+ if (show_proc_ctx || show_sock_ctx) {
+ if (find_entry(s.ino, &buf,
+ (show_proc_ctx & show_sock_ctx) ?
+ PROC_SOCK_CTX : PROC_CTX) > 0) {
+ printf(" users:(%s)", buf);
+ free(buf);
+ }
+ } else if (show_users) {
+ if (find_entry(s.ino, &buf, USERS) > 0) {
+ printf(" users:(%s)", buf);
+ free(buf);
+ }
}
if (show_details) {
}
-int udp_show(struct filter *f)
+static int udp_show(struct filter *f)
{
FILE *fp = NULL;
+ if (!getenv("PROC_NET_UDP") && !getenv("PROC_ROOT")
+ && inet_show_netlink(f, NULL, IPPROTO_UDP) == 0)
+ return 0;
+
dg_proto = UDP_PROTO;
if (f->families&(1<<AF_INET)) {
} while (0);
}
-int raw_show(struct filter *f)
+static int raw_show(struct filter *f)
{
FILE *fp = NULL;
#define MAX_UNIX_REMEMBER (1024*1024/sizeof(struct unixstat))
-void unix_list_free(struct unixstat *list)
+static void unix_list_free(struct unixstat *list)
{
while (list) {
struct unixstat *s = list;
}
}
-void unix_list_print(struct unixstat *list, struct filter *f)
+static const char *unix_netid_name(int type)
+{
+ const char *netid;
+
+ switch (type) {
+ case SOCK_STREAM:
+ netid = "u_str";
+ break;
+ case SOCK_SEQPACKET:
+ netid = "u_seq";
+ break;
+ case SOCK_DGRAM:
+ default:
+ netid = "u_dgr";
+ break;
+ }
+ return netid;
+}
+
+static void unix_list_print(struct unixstat *list, struct filter *f)
{
struct unixstat *s;
char *peer;
continue;
if (s->type == SOCK_DGRAM && !(f->dbs&(1<<UNIX_DG_DB)))
continue;
+ if (s->type == SOCK_SEQPACKET && !(f->dbs&(1<<UNIX_SQ_DB)))
+ continue;
peer = "*";
if (s->peer) {
if (netid_width)
printf("%-*s ", netid_width,
- s->type == SOCK_STREAM ? "u_str" : "u_dgr");
+ unix_netid_name(s->type));
if (state_width)
printf("%-*s ", state_width, sstate_name[s->state]);
printf("%-6d %-6d ", s->rq, s->wq);
printf("%*s %-*d %*s %-*d",
addr_width, s->name ? : "*", serv_width, s->ino,
addr_width, peer, serv_width, s->peer);
- if (show_users) {
- char ubuf[4096];
- if (find_users(s->ino, ubuf, sizeof(ubuf)) > 0)
- printf(" users:(%s)", ubuf);
+ char *buf = NULL;
+
+ if (show_proc_ctx || show_sock_ctx) {
+ if (find_entry(s->ino, &buf,
+ (show_proc_ctx & show_sock_ctx) ?
+ PROC_SOCK_CTX : PROC_CTX) > 0) {
+ printf(" users:(%s)", buf);
+ free(buf);
+ }
+ } else if (show_users) {
+ if (find_entry(s->ino, &buf, USERS) > 0) {
+ printf(" users:(%s)", buf);
+ free(buf);
+ }
}
printf("\n");
}
}
-int unix_show(struct filter *f)
+static int unix_show_sock(const struct sockaddr_nl *addr, struct nlmsghdr *nlh,
+ void *arg)
+{
+ struct filter *f = (struct filter *)arg;
+ struct unix_diag_msg *r = NLMSG_DATA(nlh);
+ struct rtattr *tb[UNIX_DIAG_MAX+1];
+ char name[128];
+ int peer_ino;
+ __u32 rqlen, wqlen;
+
+ parse_rtattr(tb, UNIX_DIAG_MAX, (struct rtattr*)(r+1),
+ nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*r)));
+
+ if (r->udiag_type == SOCK_STREAM && !(f->dbs&(1<<UNIX_ST_DB)))
+ return 0;
+ if (r->udiag_type == SOCK_DGRAM && !(f->dbs&(1<<UNIX_DG_DB)))
+ return 0;
+ if (r->udiag_type == SOCK_SEQPACKET && !(f->dbs&(1<<UNIX_SQ_DB)))
+ return 0;
+
+ if (netid_width)
+ printf("%-*s ", netid_width,
+ unix_netid_name(r->udiag_type));
+ if (state_width)
+ printf("%-*s ", state_width, sstate_name[r->udiag_state]);
+
+ if (tb[UNIX_DIAG_RQLEN]) {
+ struct unix_diag_rqlen *rql = RTA_DATA(tb[UNIX_DIAG_RQLEN]);
+ rqlen = rql->udiag_rqueue;
+ wqlen = rql->udiag_wqueue;
+ } else {
+ rqlen = 0;
+ wqlen = 0;
+ }
+
+ printf("%-6u %-6u ", rqlen, wqlen);
+
+ if (tb[UNIX_DIAG_NAME]) {
+ int len = RTA_PAYLOAD(tb[UNIX_DIAG_NAME]);
+
+ memcpy(name, RTA_DATA(tb[UNIX_DIAG_NAME]), len);
+ name[len] = '\0';
+ if (name[0] == '\0')
+ name[0] = '@';
+ } else
+ sprintf(name, "*");
+
+ if (tb[UNIX_DIAG_PEER])
+ peer_ino = rta_getattr_u32(tb[UNIX_DIAG_PEER]);
+ else
+ peer_ino = 0;
+
+ printf("%*s %-*d %*s %-*d",
+ addr_width, name,
+ serv_width, r->udiag_ino,
+ addr_width, "*", /* FIXME */
+ serv_width, peer_ino);
+
+ char *buf = NULL;
+
+ if (show_proc_ctx || show_sock_ctx) {
+ if (find_entry(r->udiag_ino, &buf,
+ (show_proc_ctx & show_sock_ctx) ?
+ PROC_SOCK_CTX : PROC_CTX) > 0) {
+ printf(" users:(%s)", buf);
+ free(buf);
+ }
+ } else if (show_users) {
+ if (find_entry(r->udiag_ino, &buf, USERS) > 0) {
+ printf(" users:(%s)", buf);
+ free(buf);
+ }
+ }
+
+ if (show_mem) {
+ printf("\n\t");
+ print_skmeminfo(tb, UNIX_DIAG_MEMINFO);
+ }
+
+ if (show_details) {
+ if (tb[UNIX_DIAG_SHUTDOWN]) {
+ unsigned char mask;
+ mask = *(__u8 *)RTA_DATA(tb[UNIX_DIAG_SHUTDOWN]);
+ printf(" %c-%c", mask & 1 ? '-' : '<', mask & 2 ? '-' : '>');
+ }
+ }
+
+ printf("\n");
+
+ return 0;
+}
+
+static int handle_netlink_request(struct filter *f, struct nlmsghdr *req,
+ size_t size, rtnl_filter_t show_one_sock)
+{
+ int ret = -1;
+ struct rtnl_handle rth;
+
+ if (rtnl_open_byproto(&rth, 0, NETLINK_SOCK_DIAG))
+ return -1;
+
+ rth.dump = MAGIC_SEQ;
+
+ if (rtnl_send(&rth, req, size) < 0)
+ goto Exit;
+
+ if (rtnl_dump_filter(&rth, show_one_sock, f))
+ goto Exit;
+
+ ret = 0;
+Exit:
+ rtnl_close(&rth);
+ return ret;
+}
+
+static int unix_show_netlink(struct filter *f)
+{
+ DIAG_REQUEST(req, struct unix_diag_req r);
+
+ req.r.sdiag_family = AF_UNIX;
+ req.r.udiag_states = f->states;
+ req.r.udiag_show = UDIAG_SHOW_NAME | UDIAG_SHOW_PEER | UDIAG_SHOW_RQLEN;
+ if (show_mem)
+ req.r.udiag_show |= UDIAG_SHOW_MEMINFO;
+
+ return handle_netlink_request(f, &req.nlh, sizeof(req), unix_show_sock);
+}
+
+static int unix_show(struct filter *f)
{
FILE *fp;
char buf[256];
int cnt;
struct unixstat *list = NULL;
+ if (!getenv("PROC_NET_UNIX") && !getenv("PROC_ROOT")
+ && unix_show_netlink(f) == 0)
+ return 0;
+
if ((fp = net_unix_open()) == NULL)
return -1;
fgets(buf, sizeof(buf)-1, fp);
cnt = 0;
}
}
-
+ fclose(fp);
if (list) {
unix_list_print(list, f);
unix_list_free(list);
return 0;
}
+static int packet_show_sock(const struct sockaddr_nl *addr,
+ struct nlmsghdr *nlh, void *arg)
+{
+ struct packet_diag_msg *r = NLMSG_DATA(nlh);
+ struct rtattr *tb[PACKET_DIAG_MAX+1];
+ __u32 rq;
+
+ parse_rtattr(tb, PACKET_DIAG_MAX, (struct rtattr*)(r+1),
+ nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*r)));
+
+ /* use /proc/net/packet if all info are not available */
+ if (!tb[PACKET_DIAG_MEMINFO])
+ return -1;
+
+ if (netid_width)
+ printf("%-*s ", netid_width,
+ r->pdiag_type == SOCK_RAW ? "p_raw" : "p_dgr");
+ if (state_width)
+ printf("%-*s ", state_width, "UNCONN");
+
+ if (tb[PACKET_DIAG_MEMINFO]) {
+ __u32 *skmeminfo = RTA_DATA(tb[PACKET_DIAG_MEMINFO]);
+
+ rq = skmeminfo[SK_MEMINFO_RMEM_ALLOC];
+ } else
+ rq = 0;
+ printf("%-6d %-6d ", rq, 0);
+
+ if (r->pdiag_num == 3) {
+ printf("%*s:", addr_width, "*");
+ } else {
+ char tb2[16];
+ printf("%*s:", addr_width,
+ ll_proto_n2a(htons(r->pdiag_num), tb2, sizeof(tb2)));
+ }
+ if (tb[PACKET_DIAG_INFO]) {
+ struct packet_diag_info *pinfo = RTA_DATA(tb[PACKET_DIAG_INFO]);
+
+ if (pinfo->pdi_index == 0)
+ printf("%-*s ", serv_width, "*");
+ else
+ printf("%-*s ", serv_width, xll_index_to_name(pinfo->pdi_index));
+ } else
+ printf("%-*s ", serv_width, "*");
+
+ printf("%*s*%-*s",
+ addr_width, "", serv_width, "");
-int packet_show(struct filter *f)
+ char *buf = NULL;
+
+ if (show_proc_ctx || show_sock_ctx) {
+ if (find_entry(r->pdiag_ino, &buf,
+ (show_proc_ctx & show_sock_ctx) ?
+ PROC_SOCK_CTX : PROC_CTX) > 0) {
+ printf(" users:(%s)", buf);
+ free(buf);
+ }
+ } else if (show_users) {
+ if (find_entry(r->pdiag_ino, &buf, USERS) > 0) {
+ printf(" users:(%s)", buf);
+ free(buf);
+ }
+ }
+
+ if (show_details) {
+ __u32 uid = 0;
+
+ if (tb[PACKET_DIAG_UID])
+ uid = *(__u32 *)RTA_DATA(tb[PACKET_DIAG_UID]);
+
+ printf(" ino=%u uid=%u sk=", r->pdiag_ino, uid);
+ if (r->pdiag_cookie[1] != 0)
+ printf("%08x", r->pdiag_cookie[1]);
+ printf("%08x", r->pdiag_cookie[0]);
+ }
+
+ if (show_bpf && tb[PACKET_DIAG_FILTER]) {
+ struct sock_filter *fil =
+ RTA_DATA(tb[PACKET_DIAG_FILTER]);
+ int num = RTA_PAYLOAD(tb[PACKET_DIAG_FILTER]) /
+ sizeof(struct sock_filter);
+
+ printf("\n\tbpf filter (%d): ", num);
+ while (num) {
+ printf(" 0x%02x %u %u %u,",
+ fil->code, fil->jt, fil->jf, fil->k);
+ num--;
+ fil++;
+ }
+ }
+ printf("\n");
+ return 0;
+}
+
+static int packet_show_netlink(struct filter *f)
+{
+ DIAG_REQUEST(req, struct packet_diag_req r);
+
+ req.r.sdiag_family = AF_PACKET;
+ req.r.pdiag_show = PACKET_SHOW_INFO | PACKET_SHOW_MEMINFO | PACKET_SHOW_FILTER;
+
+ return handle_netlink_request(f, &req.nlh, sizeof(req), packet_show_sock);
+}
+
+
+static int packet_show(struct filter *f)
{
FILE *fp;
char buf[256];
int ino;
unsigned long long sk;
- if (!(f->states & (1<<SS_CLOSE)))
+ if (preferred_family != AF_PACKET && !(f->states & (1 << SS_CLOSE)))
+ return 0;
+
+ if (packet_show_netlink(f) == 0)
return 0;
if ((fp = net_packet_open()) == NULL)
printf("%*s*%-*s",
addr_width, "", serv_width, "");
- if (show_users) {
- char ubuf[4096];
- if (find_users(ino, ubuf, sizeof(ubuf)) > 0)
- printf(" users:(%s)", ubuf);
+ char *buf = NULL;
+
+ if (show_proc_ctx || show_sock_ctx) {
+ if (find_entry(ino, &buf,
+ (show_proc_ctx & show_sock_ctx) ?
+ PROC_SOCK_CTX : PROC_CTX) > 0) {
+ printf(" users:(%s)", buf);
+ free(buf);
+ }
+ } else if (show_users) {
+ if (find_entry(ino, &buf, USERS) > 0) {
+ printf(" users:(%s)", buf);
+ free(buf);
+ }
}
+
if (show_details) {
printf(" ino=%u uid=%u sk=%llx", ino, uid, sk);
}
return 0;
}
-int netlink_show(struct filter *f)
+static void netlink_show_one(struct filter *f,
+ int prot, int pid, unsigned groups,
+ int state, int dst_pid, unsigned dst_group,
+ int rq, int wq,
+ unsigned long long sk, unsigned long long cb)
+{
+ SPRINT_BUF(prot_name);
+
+ if (f->f) {
+ struct tcpstat tst;
+ tst.local.family = AF_NETLINK;
+ tst.remote.family = AF_NETLINK;
+ tst.rport = -1;
+ tst.lport = pid;
+ tst.local.data[0] = prot;
+ tst.remote.data[0] = 0;
+ if (run_ssfilter(f->f, &tst) == 0)
+ return;
+ }
+
+ if (netid_width)
+ printf("%-*s ", netid_width, "nl");
+ if (state_width)
+ printf("%-*s ", state_width, "UNCONN");
+ printf("%-6d %-6d ", rq, wq);
+
+ if (resolve_services) {
+ printf("%*s:", addr_width, nl_proto_n2a(prot, prot_name,
+ sizeof(prot_name)));
+ } else {
+ printf("%*d:", addr_width, prot);
+ }
+
+ if (pid == -1) {
+ printf("%-*s ", serv_width, "*");
+ } else if (resolve_services) {
+ int done = 0;
+ if (!pid) {
+ done = 1;
+ printf("%-*s ", serv_width, "kernel");
+ } else if (pid > 0) {
+ char procname[64];
+ FILE *fp;
+ sprintf(procname, "%s/%d/stat",
+ getenv("PROC_ROOT") ? : "/proc", pid);
+ if ((fp = fopen(procname, "r")) != NULL) {
+ if (fscanf(fp, "%*d (%[^)])", procname) == 1) {
+ sprintf(procname+strlen(procname), "/%d", pid);
+ printf("%-*s ", serv_width, procname);
+ done = 1;
+ }
+ fclose(fp);
+ }
+ }
+ if (!done)
+ printf("%-*d ", serv_width, pid);
+ } else {
+ printf("%-*d ", serv_width, pid);
+ }
+
+ if (state == NETLINK_CONNECTED) {
+ printf("%*d:%-*d",
+ addr_width, dst_group, serv_width, dst_pid);
+ } else {
+ printf("%*s*%-*s",
+ addr_width, "", serv_width, "");
+ }
+
+ char *pid_context = NULL;
+ if (show_proc_ctx) {
+ /* The pid value will either be:
+ * 0 if destination kernel - show kernel initial context.
+ * A valid process pid - use getpidcon.
+ * A unique value allocated by the kernel or netlink user
+ * to the process - show context as "not available".
+ */
+ if (!pid)
+ security_get_initial_context("kernel", &pid_context);
+ else if (pid > 0)
+ getpidcon(pid, &pid_context);
+
+ if (pid_context != NULL) {
+ printf("proc_ctx=%-*s ", serv_width, pid_context);
+ free(pid_context);
+ } else {
+ printf("proc_ctx=%-*s ", serv_width, "unavailable");
+ }
+ }
+
+ if (show_details) {
+ printf(" sk=%llx cb=%llx groups=0x%08x", sk, cb, groups);
+ }
+ printf("\n");
+
+ return;
+}
+
+static int netlink_show_sock(const struct sockaddr_nl *addr,
+ struct nlmsghdr *nlh, void *arg)
+{
+ struct filter *f = (struct filter *)arg;
+ struct netlink_diag_msg *r = NLMSG_DATA(nlh);
+ struct rtattr *tb[NETLINK_DIAG_MAX+1];
+ int rq = 0, wq = 0;
+ unsigned long groups = 0;
+
+ parse_rtattr(tb, NETLINK_DIAG_MAX, (struct rtattr*)(r+1),
+ nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*r)));
+
+ if (tb[NETLINK_DIAG_GROUPS] && RTA_PAYLOAD(tb[NETLINK_DIAG_GROUPS]))
+ groups = *(unsigned long *) RTA_DATA(tb[NETLINK_DIAG_GROUPS]);
+
+ if (tb[NETLINK_DIAG_MEMINFO]) {
+ const __u32 *skmeminfo;
+ skmeminfo = RTA_DATA(tb[NETLINK_DIAG_MEMINFO]);
+
+ rq = skmeminfo[SK_MEMINFO_RMEM_ALLOC];
+ wq = skmeminfo[SK_MEMINFO_WMEM_ALLOC];
+ }
+
+ netlink_show_one(f, r->ndiag_protocol, r->ndiag_portid, groups,
+ r->ndiag_state, r->ndiag_dst_portid, r->ndiag_dst_group,
+ rq, wq, 0, 0);
+
+ if (show_mem) {
+ printf("\t");
+ print_skmeminfo(tb, NETLINK_DIAG_MEMINFO);
+ printf("\n");
+ }
+
+ return 0;
+}
+
+static int netlink_show_netlink(struct filter *f)
+{
+ DIAG_REQUEST(req, struct netlink_diag_req r);
+
+ req.r.sdiag_family = AF_NETLINK;
+ req.r.sdiag_protocol = NDIAG_PROTO_ALL;
+ req.r.ndiag_show = NDIAG_SHOW_GROUPS | NDIAG_SHOW_MEMINFO;
+
+ return handle_netlink_request(f, &req.nlh, sizeof(req), netlink_show_sock);
+}
+
+static int netlink_show(struct filter *f)
{
FILE *fp;
char buf[256];
int rq, wq, rc;
unsigned long long sk, cb;
- if (!(f->states & (1<<SS_CLOSE)))
+ if (preferred_family != AF_NETLINK && !(f->states & (1 << SS_CLOSE)))
+ return 0;
+
+ if (!getenv("PROC_NET_NETLINK") && !getenv("PROC_ROOT") &&
+ netlink_show_netlink(f) == 0)
return 0;
if ((fp = net_netlink_open()) == NULL)
&sk,
&prot, &pid, &groups, &rq, &wq, &cb, &rc);
- if (f->f) {
- struct tcpstat tst;
- tst.local.family = AF_NETLINK;
- tst.remote.family = AF_NETLINK;
- tst.rport = -1;
- tst.lport = pid;
- tst.local.data[0] = prot;
- tst.remote.data[0] = 0;
- if (run_ssfilter(f->f, &tst) == 0)
- continue;
- }
-
- if (netid_width)
- printf("%-*s ", netid_width, "nl");
- if (state_width)
- printf("%-*s ", state_width, "UNCONN");
- printf("%-6d %-6d ", rq, wq);
- if (resolve_services && prot == 0)
- printf("%*s:", addr_width, "rtnl");
- else if (resolve_services && prot == 3)
- printf("%*s:", addr_width, "fw");
- else if (resolve_services && prot == 4)
- printf("%*s:", addr_width, "tcpdiag");
- else
- printf("%*d:", addr_width, prot);
- if (pid == -1) {
- printf("%-*s ", serv_width, "*");
- } else if (resolve_services) {
- int done = 0;
- if (!pid) {
- done = 1;
- printf("%-*s ", serv_width, "kernel");
- } else if (pid > 0) {
- char procname[64];
- FILE *fp;
- sprintf(procname, "%s/%d/stat",
- getenv("PROC_ROOT") ? : "/proc", pid);
- if ((fp = fopen(procname, "r")) != NULL) {
- if (fscanf(fp, "%*d (%[^)])", procname) == 1) {
- sprintf(procname+strlen(procname), "/%d", pid);
- printf("%-*s ", serv_width, procname);
- done = 1;
- }
- fclose(fp);
- }
- }
- if (!done)
- printf("%-*d ", serv_width, pid);
- } else {
- printf("%-*d ", serv_width, pid);
- }
- printf("%*s*%-*s",
- addr_width, "", serv_width, "");
-
- if (show_details) {
- printf(" sk=%llx cb=%llx groups=0x%08x", sk, cb, groups);
- }
- printf("\n");
+ netlink_show_one(f, prot, pid, groups, 0, 0, 0, rq, wq, sk, cb);
}
return 0;
int tcp_estab;
};
-int get_snmp_int(char *proto, char *key, int *result)
+static int get_snmp_int(char *proto, char *key, int *result)
{
char buf[1024];
FILE *fp;
&s->tcp_orphans, &s->tcp_tws, &s->tcp_total, &s->tcp_mem);
}
-int get_sockstat(struct sockstat *s)
+static int get_sockstat(struct sockstat *s)
{
char buf[256];
FILE *fp;
return 0;
}
-int print_summary(void)
+static int print_summary(void)
{
struct sockstat s;
struct snmpstat sn;
" -p, --processes show process using socket\n"
" -i, --info show internal TCP information\n"
" -s, --summary show socket usage summary\n"
+" -b, --bpf show bpf filter socket information\n"
+" -Z, --context display process SELinux security contexts\n"
+" -z, --contexts display process and socket SELinux security contexts\n"
"\n"
" -4, --ipv4 display only IP version 4 sockets\n"
" -6, --ipv6 display only IP version 6 sockets\n"
" -f, --family=FAMILY display sockets of type FAMILY\n"
"\n"
" -A, --query=QUERY, --socket=QUERY\n"
-" QUERY := {all|inet|tcp|udp|raw|unix|packet|netlink}[,QUERY]\n"
+" QUERY := {all|inet|tcp|udp|raw|unix|unix_dgram|unix_stream|unix_seqpacket|packet|netlink}[,QUERY]\n"
"\n"
" -D, --diag=FILE Dump raw information about TCP sockets to FILE\n"
" -F, --filter=FILE read filter information from FILE\n"
}
-int scan_state(const char *state)
+static int scan_state(const char *state)
{
int i;
if (strcasecmp(state, "close") == 0 ||
{ "memory", 0, 0, 'm' },
{ "info", 0, 0, 'i' },
{ "processes", 0, 0, 'p' },
+ { "bpf", 0, 0, 'b' },
{ "dccp", 0, 0, 'd' },
{ "tcp", 0, 0, 't' },
{ "udp", 0, 0, 'u' },
{ "filter", 1, 0, 'F' },
{ "version", 0, 0, 'V' },
{ "help", 0, 0, 'h' },
+ { "context", 0, 0, 'Z' },
+ { "contexts", 0, 0, 'z' },
{ 0 }
};
current_filter.states = default_filter.states;
- while ((ch = getopt_long(argc, argv, "dhaletuwxnro460spf:miA:D:F:vV",
+ while ((ch = getopt_long(argc, argv, "dhaletuwxnro460spbf:miA:D:F:vVzZ",
long_opts, NULL)) != EOF) {
switch(ch) {
case 'n':
show_users++;
user_ent_hash_build();
break;
+ case 'b':
+ show_options = 1;
+ show_bpf++;
+ break;
case 'd':
current_filter.dbs |= (1<<DCCP_DB);
do_default = 0;
} else if (strcasecmp(p, "unix_dgram") == 0 ||
strcmp(p, "u_dgr") == 0) {
current_filter.dbs |= (1<<UNIX_DG_DB);
+ } else if (strcasecmp(p, "unix_seqpacket") == 0 ||
+ strcmp(p, "u_seq") == 0) {
+ current_filter.dbs |= (1<<UNIX_SQ_DB);
} else if (strcmp(p, "packet") == 0) {
current_filter.dbs |= PACKET_DBM;
} else if (strcmp(p, "packet_raw") == 0 ||
case 'V':
printf("ss utility, iproute2-ss%s\n", SNAPSHOT);
exit(0);
+ case 'z':
+ show_sock_ctx++;
+ case 'Z':
+ if (is_selinux_enabled() <= 0) {
+ fprintf(stderr, "ss: SELinux is not enabled.\n");
+ exit(1);
+ }
+ show_proc_ctx++;
+ user_ent_hash_build();
+ break;
case 'h':
case '?':
help();
exit(-1);
}
}
- tcp_show_netlink(¤t_filter, dump_fp, TCPDIAG_GETSOCK);
+ inet_show_netlink(¤t_filter, dump_fp, IPPROTO_TCP);
fflush(dump_fp);
exit(0);
}
printf("%-*s ", state_width, "State");
printf("%-6s %-6s ", "Recv-Q", "Send-Q");
+ /* Make enough space for the local/remote port field */
+ addr_width -= 13;
+ serv_width += 13;
+
printf("%*s:%-*s %*s:%-*s\n",
addr_width, "Local Address", serv_width, "Port",
addr_width, "Peer Address", serv_width, "Port");
if (current_filter.dbs & (1<<UDP_DB))
udp_show(¤t_filter);
if (current_filter.dbs & (1<<TCP_DB))
- tcp_show(¤t_filter, TCPDIAG_GETSOCK);
+ tcp_show(¤t_filter, IPPROTO_TCP);
if (current_filter.dbs & (1<<DCCP_DB))
- tcp_show(¤t_filter, DCCPDIAG_GETSOCK);
+ tcp_show(¤t_filter, IPPROTO_DCCP);
+
+ if (show_users || show_proc_ctx || show_sock_ctx)
+ user_ent_destroy();
+
return 0;
}
projects / mirror_iproute2.git / blobdiff