diff options
author | jilles <jilles@FreeBSD.org> | 2012-01-24 21:33:34 +0000 |
---|---|---|
committer | jilles <jilles@FreeBSD.org> | 2012-01-24 21:33:34 +0000 |
commit | a5b724067f61f946eb7f0a03ea81fd8b11dbd57d (patch) | |
tree | 3115e8a61ae111109e0fca902eef016ddd13e6d0 /usr.bin | |
parent | c44964e7d0b7676037c964221ecd6159e8da2ece (diff) | |
download | FreeBSD-src-a5b724067f61f946eb7f0a03ea81fd8b11dbd57d.zip FreeBSD-src-a5b724067f61f946eb7f0a03ea81fd8b11dbd57d.tar.gz |
sockstat: Also show sockets not associated with a file descriptor.
Sockets not associated with a file descriptor include TCP TIME_WAIT states
and sockets created via the socket(9) API such as from rpc.lockd and the NFS
client.
PR: bin/164081
MFC after: 2 weeks
No objection: des
Diffstat (limited to 'usr.bin')
-rw-r--r-- | usr.bin/sockstat/sockstat.1 | 26 | ||||
-rw-r--r-- | usr.bin/sockstat/sockstat.c | 118 |
2 files changed, 75 insertions, 69 deletions
diff --git a/usr.bin/sockstat/sockstat.1 b/usr.bin/sockstat/sockstat.1 index 02cf568..f38d9d7 100644 --- a/usr.bin/sockstat/sockstat.1 +++ b/usr.bin/sockstat/sockstat.1 @@ -27,7 +27,7 @@ .\" .\" $FreeBSD$ .\" -.Dd July 9, 2009 +.Dd January 24, 2012 .Dt SOCKSTAT 1 .Os .Sh NAME @@ -137,19 +137,10 @@ The address the foreign end of the socket is bound to (see .Xr getpeername 2 ) . .El .Pp -Note that TCP sockets in the -.Dv AF_INET -or -.Dv AF_INET6 -domains that are not in one of the -.Dv LISTEN , SYN_SENT , -or -.Dv ESTABLISHED -states may not be shown by -.Nm ; -use -.Xr netstat 1 -to examine them instead. +If a socket is associated with more than one file descriptor, +it is shown multiple times. +If a socket is not associated with any file descriptor, +the first four columns have no meaning. .Sh SEE ALSO .Xr fstat 1 , .Xr netstat 1 , @@ -167,10 +158,3 @@ The .Nm command and this manual page were written by .An Dag-Erling Sm\(/orgrav Aq des@FreeBSD.org . -.Sh BUGS -Unlike -.Xr netstat 1 , -.Nm -lists sockets by walking file descriptor tables and will not output -the ones owned by the kernel, e.g. NLM sockets created by -.Xr rpc.lockd 8 . diff --git a/usr.bin/sockstat/sockstat.c b/usr.bin/sockstat/sockstat.c index 7235ba9..dff7761 100644 --- a/usr.bin/sockstat/sockstat.c +++ b/usr.bin/sockstat/sockstat.c @@ -86,6 +86,7 @@ static int *ports; struct sock { void *socket; void *pcb; + int shown; int vflag; int family; int proto; @@ -571,12 +572,67 @@ check_ports(struct sock *s) } static void +displaysock(struct sock *s, int pos) +{ + void *p; + int hash; + + while (pos < 29) + pos += xprintf(" "); + pos += xprintf("%s", s->protoname); + if (s->vflag & INP_IPV4) + pos += xprintf("4 "); + if (s->vflag & INP_IPV6) + pos += xprintf("6 "); + while (pos < 36) + pos += xprintf(" "); + switch (s->family) { + case AF_INET: + case AF_INET6: + pos += printaddr(s->family, &s->laddr); + if (s->family == AF_INET6 && pos >= 58) + pos += xprintf(" "); + while (pos < 58) + pos += xprintf(" "); + pos += printaddr(s->family, &s->faddr); + break; + case AF_UNIX: + /* server */ + if (s->laddr.ss_len > 0) { + pos += printaddr(s->family, &s->laddr); + break; + } + /* client */ + p = *(void **)&s->faddr; + if (p == NULL) { + pos += xprintf("(not connected)"); + break; + } + pos += xprintf("-> "); + for (hash = 0; hash < HASHSIZE; ++hash) { + for (s = sockhash[hash]; s != NULL; s = s->next) + if (s->pcb == p) + break; + if (s != NULL) + break; + } + if (s == NULL || s->laddr.ss_len == 0) + pos += xprintf("??"); + else + pos += printaddr(s->family, &s->laddr); + break; + default: + abort(); + } + xprintf("\n"); +} + +static void display(void) { struct passwd *pwd; struct xfile *xf; struct sock *s; - void *p; int hash, n, pos; printf("%-8s %-10s %-5s %-2s %-6s %-21s %-21s\n", @@ -594,6 +650,7 @@ display(void) continue; if (!check_ports(s)) continue; + s->shown = 1; pos = 0; if ((pwd = getpwuid(xf->xf_uid)) == NULL) pos += xprintf("%lu ", (u_long)xf->xf_uid); @@ -608,54 +665,19 @@ display(void) while (pos < 26) pos += xprintf(" "); pos += xprintf("%d ", xf->xf_fd); - while (pos < 29) - pos += xprintf(" "); - pos += xprintf("%s", s->protoname); - if (s->vflag & INP_IPV4) - pos += xprintf("4 "); - if (s->vflag & INP_IPV6) - pos += xprintf("6 "); - while (pos < 36) - pos += xprintf(" "); - switch (s->family) { - case AF_INET: - case AF_INET6: - pos += printaddr(s->family, &s->laddr); - if (s->family == AF_INET6 && pos >= 58) - pos += xprintf(" "); - while (pos < 58) - pos += xprintf(" "); - pos += printaddr(s->family, &s->faddr); - break; - case AF_UNIX: - /* server */ - if (s->laddr.ss_len > 0) { - pos += printaddr(s->family, &s->laddr); - break; - } - /* client */ - p = *(void **)&s->faddr; - if (p == NULL) { - pos += xprintf("(not connected)"); - break; - } - pos += xprintf("-> "); - for (hash = 0; hash < HASHSIZE; ++hash) { - for (s = sockhash[hash]; s != NULL; s = s->next) - if (s->pcb == p) - break; - if (s != NULL) - break; - } - if (s == NULL || s->laddr.ss_len == 0) - pos += xprintf("??"); - else - pos += printaddr(s->family, &s->laddr); - break; - default: - abort(); + displaysock(s, pos); + } + for (hash = 0; hash < HASHSIZE; hash++) { + for (s = sockhash[hash]; s != NULL; s = s->next) { + if (s->shown) + continue; + if (!check_ports(s)) + continue; + pos = 0; + pos += xprintf("%-8s %-10s %-5s %-2s ", + "?", "?", "?", "?"); + displaysock(s, pos); } - xprintf("\n"); } } |