#include "network.h"
#include "tree234.h"
+/* Solaris needs <sys/sockio.h> for SIOCATMARK. */
+#ifndef SIOCATMARK
+#include <sys/sockio.h>
+#endif
+
#ifndef X11_UNIX_PATH
# define X11_UNIX_PATH "/tmp/.X11-unix/X"
#endif
Plug plug;
void *private_ptr;
bufchain output_data;
- int connected;
+ int connected; /* irrelevant for listening sockets */
int writable;
int frozen; /* this causes readability notifications to be ignored */
int frozen_readable; /* this means we missed at least one readability
static int sk_nextaddr(SockAddr addr)
{
#ifndef NO_IPV6
- if (addr->ai->ai_next) {
+ if (addr->ai && addr->ai->ai_next) {
addr->ai = addr->ai->ai_next;
addr->family = addr->ai->ai_family;
return TRUE;
ret->oobpending = FALSE;
ret->listener = 0;
ret->addr = NULL;
+ ret->connected = 1;
ret->s = sockfd;
goto ret;
}
+ cloexec(s);
+
if (sock->oobinline) {
int b = TRUE;
setsockopt(s, SOL_SOCKET, SO_OOBINLINE, (void *) &b, sizeof(b));
default:
assert(0 && "unknown address family");
+ exit(1); /* XXX: GCC doesn't understand assert() on some systems. */
}
fl = fcntl(s, F_GETFL);
ret->oobpending = FALSE;
ret->listener = 1;
ret->addr = NULL;
- ret->connected = 0;
/*
* Translate address_family from platform-independent constants
* into local reality.
*/
address_family = (address_family == ADDRTYPE_IPV4 ? AF_INET :
- address_family == ADDRTYPE_IPV6 ? AF_INET6 : AF_UNSPEC);
+#ifndef NO_IPV6
+ address_family == ADDRTYPE_IPV6 ? AF_INET6 :
+#endif
+ AF_UNSPEC);
#ifndef NO_IPV6
/* Let's default to IPv6.
*/
s = socket(address_family, SOCK_STREAM, 0);
+#ifndef NO_IPV6
/* If the host doesn't support IPv6 try fallback to IPv4. */
if (s < 0 && address_family == AF_INET6) {
address_family = AF_INET;
s = socket(address_family, SOCK_STREAM, 0);
}
+#endif
if (s < 0) {
ret->error = strerror(errno);
return (Socket) ret;
}
+ cloexec(s);
+
ret->oobinline = 0;
setsockopt(s, SOL_SOCKET, SO_REUSEADDR, (const char *)&on, sizeof(on));
if (a.sin_addr.s_addr != (in_addr_t)(-1)) {
/* Override localhost_only with specified listen addr. */
ret->localhost_only = ipv4_is_loopback(a.sin_addr);
- got_addr = 1;
}
- addr = (struct sockaddr *)a;
+ addr = (struct sockaddr *)&a;
addrlen = sizeof(a);
retcode = 0;
#endif
sfree(s);
}
-#define PUT_32BIT_MSB_FIRST(cp, value) ( \
- (cp)[0] = (char)((value) >> 24), \
- (cp)[1] = (char)((value) >> 16), \
- (cp)[2] = (char)((value) >> 8), \
- (cp)[3] = (char)(value) )
-
-#define PUT_16BIT_MSB_FIRST(cp, value) ( \
- (cp)[0] = (char)((value) >> 8), \
- (cp)[1] = (char)(value) )
-
void *sk_getxdmdata(void *sock, int *lenp)
{
Actual_Socket s = (Actual_Socket) sock;
*/
s->writable = FALSE;
return;
- } else if (nsent == 0 ||
- err == ECONNABORTED || err == ECONNRESET) {
+ } else {
/*
- * If send() returns CONNABORTED or CONNRESET, we
- * unfortunately can't just call plug_closing(),
+ * We unfortunately can't just call plug_closing(),
* because it's quite likely that we're currently
* _in_ a call from the code we'd be calling back
* to, so we'd have to make half the SSH code
*/
s->pending_error = err;
return;
- } else {
- /* We're inside the Unix frontend here, so we know
- * that the frontend handle is unnecessary. */
- logevent(NULL, strerror(err));
- fatalbox("%s", strerror(err));
}
} else {
if (s->sending_oob) {
ret = recv(s->s, buf, sizeof(buf), MSG_OOB);
noise_ultralight(ret);
if (ret <= 0) {
- const char *str = (ret == 0 ? "Internal networking trouble" :
- strerror(errno));
- /* We're inside the Unix frontend here, so we know
- * that the frontend handle is unnecessary. */
- logevent(NULL, str);
- fatalbox("%s", str);
+ return plug_closing(s->plug,
+ ret == 0 ? "Internal networking trouble" :
+ strerror(errno), errno, 0);
} else {
/*
* Receiving actual data on a socket means we can
static void uxsel_tell(Actual_Socket s)
{
int rwx = 0;
- if (!s->connected)
- rwx |= 2; /* write == connect */
- if (s->connected && !s->frozen)
- rwx |= 1 | 4; /* read, except */
- if (bufchain_size(&s->output_data))
- rwx |= 2; /* write */
- if (s->listener)
- rwx |= 1; /* read == accept */
+ if (s->listener) {
+ rwx |= 1; /* read == accept */
+ } else {
+ if (!s->connected)
+ rwx |= 2; /* write == connect */
+ if (s->connected && !s->frozen)
+ rwx |= 1 | 4; /* read, except */
+ if (bufchain_size(&s->output_data))
+ rwx |= 2; /* write */
+ }
uxsel_set(s->s, rwx, net_select_result);
}
else
*canonicalname = dupstr(ret->hostname);
#ifndef NO_IPV6
- ret->ais = NULL;
+ ret->ai = ret->ais = NULL;
#else
ret->addresses = NULL;
+ ret->curraddr = ret->naddresses = 0;
#endif
return ret;
}