Allow the socket list to be limited to a specific jail id.
No objections: current@
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parent
41d25f72a0
commit
00feaafdf8
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=235870
@ -27,7 +27,7 @@
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.\"
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.\" $FreeBSD$
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.\"
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.Dd January 24, 2012
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.Dd May 16, 2012
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.Dt SOCKSTAT 1
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.Os
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.Sh NAME
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@ -36,6 +36,7 @@
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.Sh SYNOPSIS
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.Nm
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.Op Fl 46cLlu
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.Op Fl j Ar jid
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.Op Fl p Ar ports
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.Op Fl P Ar protocols
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.Sh DESCRIPTION
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@ -57,6 +58,8 @@ Show
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(IPv6) sockets.
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.It Fl c
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Show connected sockets.
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.It Fl j Ar jid
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Show only sockets belonging to the specified jail ID.
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.It Fl L
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Only show Internet sockets if the local or foreign addresses are not
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in the loopback network prefix
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@ -62,6 +62,7 @@ __FBSDID("$FreeBSD$");
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static int opt_4; /* Show IPv4 sockets */
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static int opt_6; /* Show IPv6 sockets */
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static int opt_c; /* Show connected sockets */
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static int opt_j; /* Show specified jail */
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static int opt_L; /* Don't show IPv4 or IPv6 loopback sockets */
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static int opt_l; /* Show listening sockets */
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static int opt_u; /* Show Unix domain sockets */
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@ -548,6 +549,27 @@ getprocname(pid_t pid)
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return (proc.ki_comm);
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}
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static int
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getprocjid(pid_t pid)
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{
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static struct kinfo_proc proc;
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size_t len;
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int mib[4];
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mib[0] = CTL_KERN;
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mib[1] = KERN_PROC;
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mib[2] = KERN_PROC_PID;
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mib[3] = (int)pid;
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len = sizeof proc;
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if (sysctl(mib, 4, &proc, &len, NULL, 0) == -1) {
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/* Do not warn if the process exits before we get its jid. */
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if (errno != ESRCH)
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warn("sysctl()");
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return (-1);
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}
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return (proc.ki_jid);
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}
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static int
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check_ports(struct sock *s)
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{
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@ -643,6 +665,8 @@ display(void)
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for (xf = xfiles, n = 0; n < nxfiles; ++n, ++xf) {
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if (xf->xf_data == NULL)
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continue;
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if (opt_j >= 0 && opt_j != getprocjid(xf->xf_pid))
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continue;
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hash = (int)((uintptr_t)xf->xf_data % HASHSIZE);
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for (s = sockhash[hash]; s != NULL; s = s->next)
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if ((void *)s->socket == xf->xf_data)
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@ -668,6 +692,8 @@ display(void)
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pos += xprintf("%d ", xf->xf_fd);
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displaysock(s, pos);
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}
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if (opt_j >= 0)
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return;
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for (hash = 0; hash < HASHSIZE; hash++) {
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for (s = sockhash[hash]; s != NULL; s = s->next) {
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if (s->shown)
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@ -716,7 +742,8 @@ main(int argc, char *argv[])
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int protos_defined = -1;
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int o, i;
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while ((o = getopt(argc, argv, "46cLlp:P:uv")) != -1)
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opt_j = -1;
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while ((o = getopt(argc, argv, "46cj:Llp:P:uv")) != -1)
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switch (o) {
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case '4':
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opt_4 = 1;
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@ -727,6 +754,9 @@ main(int argc, char *argv[])
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case 'c':
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opt_c = 1;
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break;
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case 'j':
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opt_j = atoi(optarg);
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break;
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case 'L':
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opt_L = 1;
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break;
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