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Differential D15386 Diff 42604 usr.bin/sockstat/sockstat.c

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usr.bin/sockstat/sockstat.c

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struct addr { struct addr {
struct sockaddr_storage address; struct sockaddr_storage address;
unsigned int encaps_port; unsigned int encaps_port;
int state; int state;
struct addr *next; struct addr *next;
}; };
struct sock { struct sock {
void *socket; int64_t socket;
void *pcb; int64_t pcb;
int shown; int shown;
int vflag; int vflag;
int family; int family;
int proto; int proto;
int state; int state;
const char *protoname; const char *protoname;
char stack[TCP_FUNCTION_NAME_LEN_MAX]; char stack[TCP_FUNCTION_NAME_LEN_MAX];
struct addr *laddr; struct addr *laddr;
▲ Show 20 Lines • Show All 663 Lines • ▼ Show 20 Lines for (;;) {
xug = (struct xunpgen *)(void *)((char *)xug + xug->xug_len); xug = (struct xunpgen *)(void *)((char *)xug + xug->xug_len);
if (xug >= exug) if (xug >= exug)
break; break;
xup = (struct xunpcb *)xug; xup = (struct xunpcb *)xug;
if (xup->xu_len != sizeof(*xup)) { if (xup->xu_len != sizeof(*xup)) {
warnx("struct xunpcb size mismatch"); warnx("struct xunpcb size mismatch");
goto out; goto out;
} }
if ((xup->unp_conn == NULL && !opt_l) || if ((xup->unp_conn == 0 && !opt_l) ||
(xup->unp_conn != NULL && !opt_c)) (xup->unp_conn != 0 && !opt_c))
continue; continue;
if ((sock = calloc(1, sizeof(*sock))) == NULL) if ((sock = calloc(1, sizeof(*sock))) == NULL)
err(1, "malloc()"); err(1, "malloc()");
if ((laddr = calloc(1, sizeof *laddr)) == NULL) if ((laddr = calloc(1, sizeof *laddr)) == NULL)
err(1, "malloc()"); err(1, "malloc()");
if ((faddr = calloc(1, sizeof *faddr)) == NULL) if ((faddr = calloc(1, sizeof *faddr)) == NULL)
err(1, "malloc()"); err(1, "malloc()");
sock->socket = xup->xu_socket.xso_so; sock->socket = xup->xu_socket.xso_so;
sock->pcb = xup->xu_unpp; sock->pcb = xup->xu_unpp;
sock->proto = proto; sock->proto = proto;
sock->family = AF_UNIX; sock->family = AF_UNIX;
sock->protoname = protoname; sock->protoname = protoname;
if (xup->xu_addr.sun_family == AF_UNIX) if (xup->xu_addr.sun_family == AF_UNIX)
laddr->address = laddr->address =
*(struct sockaddr_storage *)(void *)&xup->xu_addr; *(struct sockaddr_storage *)(void *)&xup->xu_addr;
else if (xup->unp_conn != NULL) else if (xup->unp_conn != 0)
*(void **)&(faddr->address) = xup->unp_conn; *(int64_t*)&(faddr->address) = xup->unp_conn;
laddr->next = NULL; laddr->next = NULL;
faddr->next = NULL; faddr->next = NULL;
sock->laddr = laddr; sock->laddr = laddr;
sock->faddr = faddr; sock->faddr = faddr;
hash = (int)((uintptr_t)sock->socket % HASHSIZE); hash = (int)((uintptr_t)sock->socket % HASHSIZE);
sock->next = sockhash[hash]; sock->next = sockhash[hash];
sockhash[hash] = sock; sockhash[hash] = sock;
} }
▲ Show 20 Lines • Show All 184 Lines • ▼ Show 20 Lines default:
return "UNKNOWN"; return "UNKNOWN";
break; break;
} }
} }
static void static void
displaysock(struct sock *s, int pos) displaysock(struct sock *s, int pos)
{ {
void *p; int64_t p;
int hash, first, offset; int hash, first, offset;
struct addr *laddr, *faddr; struct addr *laddr, *faddr;
struct sock *s_tmp; struct sock *s_tmp;
while (pos < 29) while (pos < 29)
pos += xprintf(" "); pos += xprintf(" ");
pos += xprintf("%s", s->protoname); pos += xprintf("%s", s->protoname);
if (s->vflag & INP_IPV4) if (s->vflag & INP_IPV4)
Show All 29 Lines case AF_UNIX:
errx(1, "laddr = %p or faddr = %p is NULL", errx(1, "laddr = %p or faddr = %p is NULL",
(void *)laddr, (void *)faddr); (void *)laddr, (void *)faddr);
/* server */ /* server */
if (laddr->address.ss_len > 0) { if (laddr->address.ss_len > 0) {
pos += printaddr(&laddr->address); pos += printaddr(&laddr->address);
break; break;
} }
/* client */ /* client */
p = *(void **)&(faddr->address); p = *(int64_t*)&(faddr->address);
if (p == NULL) { if (p == 0) {
pos += xprintf("(not connected)"); pos += xprintf("(not connected)");
offset += opt_w ? 92 : 44; offset += opt_w ? 92 : 44;
break; break;
} }
pos += xprintf("-> "); pos += xprintf("-> ");
for (hash = 0; hash < HASHSIZE; ++hash) { for (hash = 0; hash < HASHSIZE; ++hash) {
for (s_tmp = sockhash[hash]; for (s_tmp = sockhash[hash];
s_tmp != NULL; s_tmp != NULL;
▲ Show 20 Lines • Show All 102 Lines • ▼ Show 20 Lines if (opt_s) {
printf(" %-12s", "CONN STATE"); printf(" %-12s", "CONN STATE");
} }
if (opt_S) if (opt_S)
printf(" %.*s", TCP_FUNCTION_NAME_LEN_MAX, "STACK"); printf(" %.*s", TCP_FUNCTION_NAME_LEN_MAX, "STACK");
printf("\n"); printf("\n");
} }
setpassent(1); setpassent(1);
for (xf = xfiles, n = 0; n < nxfiles; ++n, ++xf) { for (xf = xfiles, n = 0; n < nxfiles; ++n, ++xf) {
if (xf->xf_data == NULL) if (xf->xf_data == 0)
continue; continue;
if (opt_j >= 0 && opt_j != getprocjid(xf->xf_pid)) if (opt_j >= 0 && opt_j != getprocjid(xf->xf_pid))
continue; continue;
hash = (int)((uintptr_t)xf->xf_data % HASHSIZE); hash = (int)((uintptr_t)xf->xf_data % HASHSIZE);
for (s = sockhash[hash]; s != NULL; s = s->next) { for (s = sockhash[hash]; s != NULL; s = s->next) {
if ((void *)s->socket != xf->xf_data) if (s->socket != xf->xf_data)
continue; continue;
if (!check_ports(s)) if (!check_ports(s))
continue; continue;
s->shown = 1; s->shown = 1;
pos = 0; pos = 0;
if ((pwd = getpwuid(xf->xf_uid)) == NULL) if ((pwd = getpwuid(xf->xf_uid)) == NULL)
pos += xprintf("%lu ", (u_long)xf->xf_uid); pos += xprintf("%lu ", (u_long)xf->xf_uid);
else else
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