#include <assert.h>
#include <sys/types.h>
#include <sys/socket.h>
+#include <limits.h>
#include <sys/un.h>
#include <netinet/in.h>
+#include <netinet/tcp.h>
#ifdef DNETCONN
#include <netdnet/dnetdb.h>
#include <netdnet/dn.h>
#include <stdlib.h>
#include <stddef.h>
#include <unistd.h>
+#include <fcntl.h>
#include <string.h>
#include "xcb.h"
return ((y + (y >> 3)) & 030707070707) % 077;
}
+int xcb_sumof(uint8_t *list, int len)
+{
+ int i, s = 0;
+ for(i=0; i<len; i++) {
+ s += *list;
+ list++;
+ }
+ return s;
+}
+
static int _xcb_parse_display(const char *name, char **host, char **protocol,
int *displayp, int *screenp)
{
name = getenv("DISPLAY");
if(!name)
return 0;
+
+#ifdef HAVE_LAUNCHD
+ if(strncmp(name, "/tmp/launch", 11) == 0)
+ slash = NULL;
+ else
+#endif
slash = strrchr(name, '/');
+
if (slash) {
len = slash - name;
if (protocol) {
return _xcb_parse_display(name, host, NULL, displayp, screenp);
}
-static int _xcb_open_tcp(char *host, char *protocol, const unsigned short port);
+static int _xcb_open_tcp(const char *host, char *protocol, const unsigned short port);
static int _xcb_open_unix(char *protocol, const char *file);
#ifdef DNETCONN
static int _xcb_open_decnet(const char *host, char *protocol, const unsigned short port);
static int _xcb_open_abstract(char *protocol, const char *file, size_t filelen);
#endif
-static int _xcb_open(char *host, char *protocol, const int display)
+static int _xcb_open(const char *host, char *protocol, const int display)
{
-#ifdef HAVE_ABSTRACT_SOCKETS
int fd;
+ static const char unix_base[] = "/tmp/.X11-unix/X";
+ const char *base = unix_base;
+ size_t filelen;
+ char *file = NULL;
+ int actual_filelen;
+
+#ifdef HAVE_LAUNCHD
+ if(strncmp(host, "/tmp/launch", 11) == 0) {
+ base = host;
+ host = "";
+ protocol = NULL;
+ }
#endif
- static const char base[] = "/tmp/.X11-unix/X";
- char file[sizeof(base) + 20];
- int filelen;
- if(*host)
+ if(*host || protocol)
{
#ifdef DNETCONN
/* DECnet displays have two colons, so _xcb_parse_display will have
}
}
+ filelen = strlen(base) + 1 + sizeof(display) * 3 + 1;
+ file = malloc(filelen);
+ if(file == NULL)
+ return -1;
+
/* display specifies Unix socket */
- filelen = snprintf(file, sizeof(file), "%s%d", base, display);
- if(filelen < 0)
+#ifdef HAVE_LAUNCHD
+ if(strncmp(base, "/tmp/launch", 11) == 0)
+ actual_filelen = snprintf(file, filelen, "%s:%d", base, display);
+ else
+#endif
+ actual_filelen = snprintf(file, filelen, "%s%d", base, display);
+ if(actual_filelen < 0)
+ {
+ free(file);
return -1;
+ }
/* snprintf may truncate the file */
- filelen = MIN(filelen, sizeof(file) - 1);
+ filelen = MIN(actual_filelen, filelen - 1);
#ifdef HAVE_ABSTRACT_SOCKETS
fd = _xcb_open_abstract(protocol, file, filelen);
if (fd >= 0 || (errno != ENOENT && errno != ECONNREFUSED))
+ {
+ free(file);
return fd;
+ }
#endif
- return _xcb_open_unix(protocol, file);
+ fd = _xcb_open_unix(protocol, file);
+ free(file);
+
+ return fd;
+}
+
+static int _xcb_socket(int family, int type, int proto)
+{
+ int fd;
+
+#ifdef SOCK_CLOEXEC
+ fd = socket(family, type | SOCK_CLOEXEC, proto);
+ if (fd == -1 && errno == EINVAL)
+#endif
+ {
+ fd = socket(family, type, proto);
+ if (fd >= 0)
+ fcntl(fd, F_SETFD, FD_CLOEXEC);
+ }
+ return fd;
}
#ifdef DNETCONN
return -1;
addr.sdn_objnum = 0;
- fd = socket(PF_DECnet, SOCK_STREAM, 0);
+ fd = _xcb_socket(PF_DECnet, SOCK_STREAM, 0);
if(fd == -1)
return -1;
}
#endif
-static int _xcb_open_tcp(char *host, char *protocol, const unsigned short port)
+static int _xcb_open_tcp(const char *host, char *protocol, const unsigned short port)
{
int fd = -1;
struct addrinfo hints;
struct addrinfo *results, *addr;
char *bracket;
- if (protocol && strcmp("tcp",protocol))
+ if (protocol && strcmp("tcp",protocol) && strcmp("inet",protocol)
+#ifdef AF_INET6
+ && strcmp("inet6",protocol)
+#endif
+ )
return -1;
+
+ if (*host == '\0')
+ host = "localhost";
memset(&hints, 0, sizeof(hints));
#ifdef AI_ADDRCONFIG
for(addr = results; addr; addr = addr->ai_next)
{
- fd = socket(addr->ai_family, addr->ai_socktype, addr->ai_protocol);
+ fd = _xcb_socket(addr->ai_family, addr->ai_socktype, addr->ai_protocol);
if(fd >= 0) {
+ int on = 1;
+ setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &on, sizeof(on));
+ setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE, &on, sizeof(on));
+
if (connect(fd, addr->ai_addr, addr->ai_addrlen) >= 0)
break;
close(fd);
#ifdef HAVE_SOCKADDR_SUN_LEN
addr.sun_len = SUN_LEN(&addr);
#endif
- fd = socket(AF_UNIX, SOCK_STREAM, 0);
+ fd = _xcb_socket(AF_UNIX, SOCK_STREAM, 0);
if(fd == -1)
return -1;
if(connect(fd, (struct sockaddr *) &addr, sizeof(addr)) == -1) {
#ifdef HAVE_SOCKADDR_SUN_LEN
addr.sun_len = 1 + filelen;
#endif
- fd = socket(AF_UNIX, SOCK_STREAM, 0);
+ fd = _xcb_socket(AF_UNIX, SOCK_STREAM, 0);
if (fd == -1)
return -1;
if (connect(fd, (struct sockaddr *) &addr, namelen) == -1) {
int parsed = _xcb_parse_display(displayname, &host, &protocol, &display, screenp);
-#ifdef HAVE_LAUNCHD
- if(!displayname)
- displayname = getenv("DISPLAY");
- if(displayname && strlen(displayname)>11 && !strncmp(displayname, "/tmp/launch", 11))
- fd = _xcb_open_unix(NULL, displayname);
- else
-#endif
if(!parsed)
return (xcb_connection_t *) &error_connection;
else