/* Utility functions implementable using only public APIs. */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
#include <assert.h>
#include <sys/types.h>
#include <limits.h>
-#ifdef DNETCONN
-#include <netdnet/dnetdb.h>
-#include <netdnet/dn.h>
-#endif
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#ifdef _WIN32
#include "xcb_windefs.h"
#else
+#include <arpa/inet.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <netinet/in.h>
#include "xcbext.h"
#include "xcbint.h"
-static const int error_connection = 1;
+#if defined(HAVE_TSOL_LABEL_H) && defined(HAVE_IS_SYSTEM_LABELED)
+# include <tsol/label.h>
+# include <sys/stat.h>
+#endif
+
+#ifdef HAVE_LAUNCHD
+#include <sys/stat.h>
+#endif
int xcb_popcount(uint32_t mask)
{
return s;
}
+#ifdef HAVE_LAUNCHD
+/* Return true and parse if name matches <path to socket>[.<screen>]
+ * Upon success:
+ * host = <path to socket>
+ * protocol = "unix"
+ * display = 0
+ * screen = <screen>
+ */
+static int _xcb_parse_display_path_to_socket(const char *name, char **host, char **protocol,
+ int *displayp, int *screenp)
+{
+ struct stat sbuf;
+ char path[PATH_MAX];
+ int _screen = 0;
+
+ strlcpy(path, name, sizeof(path));
+ if (0 != stat(path, &sbuf)) {
+ char *dot = strrchr(path, '.');
+ if (!dot)
+ return 0;
+ *dot = '\0';
+
+ if (0 != stat(path, &sbuf))
+ return 0;
+
+ _screen = atoi(dot + 1);
+ }
+
+ if (host) {
+ *host = strdup(path);
+ if (!*host)
+ return 0;
+ }
+
+ if (protocol) {
+ *protocol = strdup("unix");
+ if (!*protocol) {
+ if (host)
+ free(*host);
+ return 0;
+ }
+ }
+
+ if (displayp)
+ *displayp = 0;
+
+ if (screenp)
+ *screenp = _screen;
+
+ return 1;
+}
+#endif
+
static int _xcb_parse_display(const char *name, char **host, char **protocol,
int *displayp, int *screenp)
{
return 0;
#ifdef HAVE_LAUNCHD
- if(strncmp(name, "/tmp/launch", 11) == 0)
- slash = NULL;
- else
+ /* First check for <path to socket>[.<screen>] */
+ if (_xcb_parse_display_path_to_socket(name, host, protocol, displayp, screenp))
+ return 1;
#endif
+
slash = strrchr(name, '/');
if (slash) {
#ifndef _WIN32
static int _xcb_open_unix(char *protocol, const char *file);
#endif /* !WIN32 */
-#ifdef DNETCONN
-static int _xcb_open_decnet(const char *host, char *protocol, const unsigned short port);
-#endif
#ifdef HAVE_ABSTRACT_SOCKETS
static int _xcb_open_abstract(char *protocol, const char *file, size_t filelen);
#endif
static int _xcb_open(const char *host, char *protocol, const int display)
{
int fd;
+#ifdef __hpux
+ static const char unix_base[] = "/usr/spool/sockets/X11/";
+#else
static const char unix_base[] = "/tmp/.X11-unix/X";
+#endif
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
-
- if(*host || protocol)
+ /* If protocol or host is "unix", fall through to Unix socket code below */
+ if ((!protocol || (strcmp("unix",protocol) != 0)) &&
+ (*host != '\0') && (strcmp("unix",host) != 0))
{
-#ifdef DNETCONN
- /* DECnet displays have two colons, so _xcb_parse_display will have
- left one at the end. However, an IPv6 address can end with *two*
- colons, so only treat this as a DECnet display if host ends with
- exactly one colon. */
- char *colon = strchr(host, ':');
- if(colon && *(colon+1) == '\0')
- {
- *colon = '\0';
- return _xcb_open_decnet(host, protocol, display);
- }
- else
-#endif
- if (protocol
- || strcmp("unix",host)) { /* follow the old unix: rule */
-
- /* display specifies TCP */
- unsigned short port = X_TCP_PORT + display;
- return _xcb_open_tcp(host, protocol, port);
- }
+ /* display specifies TCP */
+ unsigned short port = X_TCP_PORT + display;
+ return _xcb_open_tcp(host, protocol, port);
}
#ifndef _WIN32
- filelen = strlen(base) + 1 + sizeof(display) * 3 + 1;
- file = malloc(filelen);
- if(file == NULL)
- return -1;
+#if defined(HAVE_TSOL_LABEL_H) && defined(HAVE_IS_SYSTEM_LABELED)
+ /* Check special path for Unix sockets under Solaris Trusted Extensions */
+ if (is_system_labeled())
+ {
+ struct stat sbuf;
+ const char *tsol_base = "/var/tsol/doors/.X11-unix/X";
+ char tsol_socket[PATH_MAX];
+
+ snprintf(tsol_socket, sizeof(tsol_socket), "%s%d", tsol_base, display);
+
+ if (stat(tsol_socket, &sbuf) == 0)
+ base = tsol_base;
+ }
+#endif
- /* display specifies Unix socket */
#ifdef HAVE_LAUNCHD
- if(strncmp(base, "/tmp/launch", 11) == 0)
- actual_filelen = snprintf(file, filelen, "%s:%d", base, display);
- else
+ struct stat sbuf;
+ if (0 == stat(host, &sbuf)) {
+ file = strdup(host);
+ filelen = actual_filelen = strlen(file);
+ } else
#endif
+ {
+ filelen = strlen(base) + 1 + sizeof(display) * 3 + 1;
+ file = malloc(filelen);
+ if(file == NULL)
+ return -1;
+
+ /* display specifies Unix socket */
actual_filelen = snprintf(file, filelen, "%s%d", base, display);
+ }
+
if(actual_filelen < 0)
{
free(file);
fd = _xcb_open_unix(protocol, file);
free(file);
+ if (fd < 0 && !protocol && *host == '\0') {
+ unsigned short port = X_TCP_PORT + display;
+ fd = _xcb_open_tcp(host, protocol, port);
+ }
+
return fd;
#endif /* !_WIN32 */
return -1; /* if control reaches here then something has gone wrong */
if (fd == -1 && errno == EINVAL)
#endif
{
- fd = socket(family, type, proto);
+ fd = socket(family, type, proto);
#ifndef _WIN32
- if (fd >= 0)
- fcntl(fd, F_SETFD, FD_CLOEXEC);
+ if (fd >= 0)
+ fcntl(fd, F_SETFD, FD_CLOEXEC);
#endif
}
return fd;
}
-#ifdef DNETCONN
-static int _xcb_open_decnet(const char *host, const char *protocol, const unsigned short port)
-{
- int fd;
- struct sockaddr_dn addr;
- struct accessdata_dn accessdata;
- struct nodeent *nodeaddr = getnodebyname(host);
-
- if(!nodeaddr)
- return -1;
- if (protocol && strcmp("dnet",protocol))
- return -1;
- addr.sdn_family = AF_DECnet;
- addr.sdn_add.a_len = nodeaddr->n_length;
- memcpy(addr.sdn_add.a_addr, nodeaddr->n_addr, addr.sdn_add.a_len);
+static int _xcb_do_connect(int fd, const struct sockaddr* addr, int addrlen) {
+ int on = 1;
- addr.sdn_objnamel = sprintf((char *)addr.sdn_objname, "X$X%d", port);
- if(addr.sdn_objnamel < 0)
+ if(fd < 0)
return -1;
- addr.sdn_objnum = 0;
- fd = _xcb_socket(PF_DECnet, SOCK_STREAM, 0);
- if(fd == -1)
- return -1;
-
- memset(&accessdata, 0, sizeof(accessdata));
- accessdata.acc_accl = sprintf((char*)accessdata.acc_acc, "%d", getuid());
- if(accessdata.acc_accl < 0)
- return -1;
- setsockopt(fd, DNPROTO_NSP, SO_CONACCESS, &accessdata, sizeof(accessdata));
+ setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &on, sizeof(on));
+ setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE, &on, sizeof(on));
- if(connect(fd, (struct sockaddr *) &addr, sizeof(addr)) == -1) {
- close(fd);
- return -1;
- }
- return fd;
+ return connect(fd, addr, addrlen);
}
-#endif
static int _xcb_open_tcp(const char *host, char *protocol, const unsigned short port)
{
int fd = -1;
+#if HAVE_GETADDRINFO
struct addrinfo hints;
char service[6]; /* "65535" with the trailing '\0' */
struct addrinfo *results, *addr;
char *bracket;
+#endif
if (protocol && strcmp("tcp",protocol) && strcmp("inet",protocol)
#ifdef AF_INET6
- && strcmp("inet6",protocol)
+ && strcmp("inet6",protocol)
#endif
- )
+ )
return -1;
-
+
if (*host == '\0')
- host = "localhost";
+ host = "localhost";
+#if HAVE_GETADDRINFO
memset(&hints, 0, sizeof(hints));
-#ifdef AI_ADDRCONFIG
- hints.ai_flags |= AI_ADDRCONFIG;
-#endif
#ifdef AI_NUMERICSERV
hints.ai_flags |= AI_NUMERICSERV;
#endif
for(addr = results; addr; addr = addr->ai_next)
{
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 (_xcb_do_connect(fd, addr->ai_addr, addr->ai_addrlen) >= 0)
+ break;
+ close(fd);
+ fd = -1;
+ }
+ freeaddrinfo(results);
+ return fd;
+#else
+ {
+ struct hostent* _h;
+ struct sockaddr_in _s;
+ struct in_addr ** _c;
- if (connect(fd, addr->ai_addr, addr->ai_addrlen) >= 0)
+ if((_h = gethostbyname(host)) == NULL)
+ return -1;
+
+ _c = (struct in_addr**)_h->h_addr_list;
+ fd = -1;
+
+ while(*_c) {
+ _s.sin_family = AF_INET;
+ _s.sin_port = htons(port);
+ _s.sin_addr = *(*_c);
+
+ fd = _xcb_socket(_s.sin_family, SOCK_STREAM, 0);
+ if(_xcb_do_connect(fd, (struct sockaddr*)&_s, sizeof(_s)) >= 0)
break;
+
close(fd);
fd = -1;
+ ++_c;
}
+
+ return fd;
}
- freeaddrinfo(results);
- return fd;
+#endif
}
#ifndef _WIN32
xcb_connection_t *c;
int parsed = _xcb_parse_display(displayname, &host, &protocol, &display, screenp);
-
+
if(!parsed) {
- c = (xcb_connection_t *) &error_connection;
+ c = _xcb_conn_ret_error(XCB_CONN_CLOSED_PARSE_ERR);
goto out;
- } else
- fd = _xcb_open(host, protocol, display);
+ }
+
+#ifdef _WIN32
+ WSADATA wsaData;
+ if (WSAStartup(MAKEWORD(2, 2), &wsaData) != 0) {
+ c = _xcb_conn_ret_error(XCB_CONN_ERROR);
+ goto out;
+ }
+#endif
+
+ fd = _xcb_open(host, protocol, display);
if(fd == -1) {
- c = (xcb_connection_t *) &error_connection;
+ c = _xcb_conn_ret_error(XCB_CONN_ERROR);
+#ifdef _WIN32
+ WSACleanup();
+#endif
goto out;
}
else
c = xcb_connect_to_fd(fd, 0);
+ if(c->has_error)
+ goto out;
+
+ /* Make sure requested screen number is in bounds for this server */
+ if((screenp != NULL) && (*screenp >= (int) c->setup->roots_len)) {
+ xcb_disconnect(c);
+ c = _xcb_conn_ret_error(XCB_CONN_CLOSED_INVALID_SCREEN);
+ goto out;
+ }
+
out:
free(host);
free(protocol);
projects / free-sw / xcb / libxcb / blobdiff