static void
display(void)
{
struct passwd *pwd;
struct xfile *xf;
struct sock *s;
int hash, n, pos;
printf("%-8s %-10s %-5s %-2s %-6s %-21s %-21s",
"USER", "COMMAND", "PID", "FD", "PROTO",
"LOCAL ADDRESS", "FOREIGN ADDRESS");
if (opt_s)
printf(" %-12s", "STATE");
printf("\n");
setpassent(1);
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)
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);
else
pos += xprintf("%s ", pwd->pw_name);
while (pos < 9)
pos += xprintf(" ");
pos += xprintf("%.10s", getprocname(xf->xf_pid));
while (pos < 20)
pos += xprintf(" ");
pos += xprintf("%lu ", (u_long)xf->xf_pid);
while (pos < 26)
pos += xprintf(" ");
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)
continue;
if (!check_ports(s))
continue;
pos = 0;
pos += xprintf("%-8s %-10s %-5s %-2s ",
"?", "?", "?", "?");
displaysock(s, pos);
}
}
}
static bool check_options(
bool is_icmp,
bool is_tcp,
bool is_udp,
bool is_ipv4,
bool is_ipv6,
int dst_port_enabled,
int src_port_enabled,
const char * protocol_name,
const char * algorithm_name
) {
return check_ip_version(is_ipv4, is_ipv6)
&& check_protocol(is_icmp, is_tcp, is_udp, protocol_name)
&& check_ports(is_icmp, dst_port_enabled, src_port_enabled)
&& check_algorithm(algorithm_name);
}
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",
"USER", "COMMAND", "PID", "FD", "PROTO",
"LOCAL ADDRESS", "FOREIGN ADDRESS");
setpassent(1);
for (xf = xfiles, n = 0; n < nxfiles; ++n, ++xf) {
if (xf->xf_data == NULL)
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)
break;
if (s == NULL)
continue;
if (!check_ports(s))
continue;
pos = 0;
if ((pwd = getpwuid(xf->xf_uid)) == NULL)
pos += xprintf("%lu ", (u_long)xf->xf_uid);
else
pos += xprintf("%s ", pwd->pw_name);
while (pos < 9)
pos += xprintf(" ");
pos += xprintf("%.10s", getprocname(xf->xf_pid));
while (pos < 20)
pos += xprintf(" ");
pos += xprintf("%lu ", (u_long)xf->xf_pid);
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();
}
xprintf("\n");
}
}