diff options
| -rw-r--r-- | usr.bin/sockstat/sockstat.1 | 5 | ||||
| -rw-r--r-- | usr.bin/sockstat/sockstat.c | 32 |
2 files changed, 35 insertions, 2 deletions
diff --git a/usr.bin/sockstat/sockstat.1 b/usr.bin/sockstat/sockstat.1 index f38d9d7..8f744ed 100644 --- a/usr.bin/sockstat/sockstat.1 +++ b/usr.bin/sockstat/sockstat.1 @@ -27,7 +27,7 @@ .\" .\" $FreeBSD$ .\" -.Dd January 24, 2012 +.Dd May 16, 2012 .Dt SOCKSTAT 1 .Os .Sh NAME @@ -36,6 +36,7 @@ .Sh SYNOPSIS .Nm .Op Fl 46cLlu +.Op Fl j Ar jid .Op Fl p Ar ports .Op Fl P Ar protocols .Sh DESCRIPTION @@ -57,6 +58,8 @@ Show (IPv6) sockets. .It Fl c Show connected sockets. +.It Fl j Ar jid +Show only sockets belonging to the specified jail ID. .It Fl L Only show Internet sockets if the local or foreign addresses are not in the loopback network prefix diff --git a/usr.bin/sockstat/sockstat.c b/usr.bin/sockstat/sockstat.c index 0114cc4..334fb93 100644 --- a/usr.bin/sockstat/sockstat.c +++ b/usr.bin/sockstat/sockstat.c @@ -62,6 +62,7 @@ __FBSDID("$FreeBSD$"); static int opt_4; /* Show IPv4 sockets */ static int opt_6; /* Show IPv6 sockets */ static int opt_c; /* Show connected sockets */ +static int opt_j; /* Show specified jail */ static int opt_L; /* Don't show IPv4 or IPv6 loopback sockets */ static int opt_l; /* Show listening sockets */ static int opt_u; /* Show Unix domain sockets */ @@ -549,6 +550,27 @@ getprocname(pid_t pid) } static int +getprocjid(pid_t pid) +{ + static struct kinfo_proc proc; + size_t len; + int mib[4]; + + mib[0] = CTL_KERN; + mib[1] = KERN_PROC; + mib[2] = KERN_PROC_PID; + mib[3] = (int)pid; + len = sizeof proc; + if (sysctl(mib, 4, &proc, &len, NULL, 0) == -1) { + /* Do not warn if the process exits before we get its jid. */ + if (errno != ESRCH) + warn("sysctl()"); + return (-1); + } + return (proc.ki_jid); +} + +static int check_ports(struct sock *s) { int port; @@ -643,6 +665,8 @@ display(void) for (xf = xfiles, n = 0; n < nxfiles; ++n, ++xf) { if (xf->xf_data == NULL) continue; + if (opt_j >= 0 && opt_j != getprocjid(xf->xf_pid)) + continue; hash = (int)((uintptr_t)xf->xf_data % HASHSIZE); for (s = sockhash[hash]; s != NULL; s = s->next) if ((void *)s->socket == xf->xf_data) @@ -668,6 +692,8 @@ display(void) pos += xprintf("%d ", xf->xf_fd); displaysock(s, pos); } + if (opt_j >= 0) + return; for (hash = 0; hash < HASHSIZE; hash++) { for (s = sockhash[hash]; s != NULL; s = s->next) { if (s->shown) @@ -716,7 +742,8 @@ main(int argc, char *argv[]) int protos_defined = -1; int o, i; - while ((o = getopt(argc, argv, "46cLlp:P:uv")) != -1) + opt_j = -1; + while ((o = getopt(argc, argv, "46cj:Llp:P:uv")) != -1) switch (o) { case '4': opt_4 = 1; @@ -727,6 +754,9 @@ main(int argc, char *argv[]) case 'c': opt_c = 1; break; + case 'j': + opt_j = atoi(optarg); + break; case 'L': opt_L = 1; break; |
