2008-05-06 09:06:19 +02:00
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/* Copyright (c) 2008 Apple Inc.
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation files
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* (the "Software"), to deal in the Software without restriction,
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* including without limitation the rights to use, copy, modify, merge,
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* publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT
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* HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Except as contained in this notice, the name(s) of the above
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* copyright holders shall not be used in advertising or otherwise to
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* promote the sale, use or other dealings in this Software without
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* prior written authorization.
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*/
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#include <CoreServices/CoreServices.h>
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include <string.h>
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#include <stdio.h>
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#include <unistd.h>
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2008-05-13 19:40:20 +02:00
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#include <errno.h>
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2008-05-06 09:06:19 +02:00
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2008-05-19 11:45:47 +02:00
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#include <sys/socket.h>
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#include <sys/un.h>
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2008-05-06 09:06:19 +02:00
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#define kX11AppBundleId "org.x.X11"
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#define kX11AppBundlePath "/Contents/MacOS/X11"
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2008-05-13 19:40:20 +02:00
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#include <mach/mach.h>
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#include <mach/mach_error.h>
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#include <servers/bootstrap.h>
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#include "mach_startup.h"
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2008-05-15 21:26:32 +02:00
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#include "launchd_fd.h"
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2008-05-19 11:45:47 +02:00
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#ifndef BUILD_DATE
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#define BUILD_DATE "?"
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#endif
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#ifndef XSERVER_VERSION
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#define XSERVER_VERSION "?"
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#endif
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2008-05-06 09:06:19 +02:00
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static char x11_path[PATH_MAX + 1];
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static void set_x11_path() {
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CFURLRef appURL = NULL;
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2008-05-12 19:36:44 +02:00
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CFBundleRef bundle = NULL;
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2008-05-06 09:06:19 +02:00
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OSStatus osstatus = LSFindApplicationForInfo(kLSUnknownCreator, CFSTR(kX11AppBundleId), nil, nil, &appURL);
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2008-05-12 19:36:44 +02:00
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UInt32 ver;
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2008-05-06 09:06:19 +02:00
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switch (osstatus) {
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case noErr:
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if (appURL == NULL) {
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2008-05-12 19:36:44 +02:00
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fprintf(stderr, "Xquartz: Invalid response from LSFindApplicationForInfo(%s)\n",
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2008-05-06 09:06:19 +02:00
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kX11AppBundleId);
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exit(1);
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}
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2008-05-12 19:36:44 +02:00
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bundle = CFBundleCreate(NULL, appURL);
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if(!bundle) {
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fprintf(stderr, "Xquartz: Null value returned from CFBundleCreate().\n");
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exit(2);
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}
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2008-05-06 09:06:19 +02:00
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if (!CFURLGetFileSystemRepresentation(appURL, true, (unsigned char *)x11_path, sizeof(x11_path))) {
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2008-05-12 19:36:44 +02:00
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fprintf(stderr, "Xquartz: Error resolving URL for %s\n", kX11AppBundleId);
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exit(3);
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2008-05-06 09:06:19 +02:00
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}
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2008-05-12 19:36:44 +02:00
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ver = CFBundleGetVersionNumber(bundle);
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if(ver < 0x02308000) {
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CFStringRef versionStr = CFBundleGetValueForInfoDictionaryKey(bundle, kCFBundleVersionKey);
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const char * versionCStr = "Unknown";
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if(versionStr)
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versionCStr = CFStringGetCStringPtr(versionStr, kCFStringEncodingMacRoman);
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fprintf(stderr, "Xquartz: Could not find a new enough X11.app LSFindApplicationForInfo() returned\n");
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fprintf(stderr, " X11.app = %s\n", x11_path);
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fprintf(stderr, " Version = %s (%x), Expected Version > 2.3.0\n", versionCStr, (unsigned)ver);
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exit(9);
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}
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2008-05-06 09:06:19 +02:00
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strlcat(x11_path, kX11AppBundlePath, sizeof(x11_path));
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#ifdef DEBUG
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2008-05-12 19:36:44 +02:00
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fprintf(stderr, "Xquartz: X11.app = %s\n", x11_path);
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2008-05-06 09:06:19 +02:00
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#endif
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break;
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case kLSApplicationNotFoundErr:
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2008-05-12 19:36:44 +02:00
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fprintf(stderr, "Xquartz: Unable to find application for %s\n", kX11AppBundleId);
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exit(10);
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2008-05-06 09:06:19 +02:00
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default:
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2008-05-12 19:36:44 +02:00
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fprintf(stderr, "Xquartz: Unable to find application for %s, error code = %d\n",
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2008-05-06 09:06:19 +02:00
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kX11AppBundleId, (int)osstatus);
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2008-05-12 19:36:44 +02:00
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exit(11);
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2008-05-06 09:06:19 +02:00
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}
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}
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2008-05-19 11:45:47 +02:00
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static void send_fd_handoff(int connected_fd, int launchd_fd) {
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char databuf[] = "display";
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struct iovec iov[1];
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iov[0].iov_base = databuf;
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iov[0].iov_len = sizeof(databuf);
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union {
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struct cmsghdr hdr;
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char bytes[CMSG_SPACE(sizeof(int))];
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} buf;
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struct msghdr msg;
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msg.msg_iov = iov;
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msg.msg_iovlen = 1;
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msg.msg_control = buf.bytes;
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msg.msg_controllen = sizeof(buf);
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msg.msg_name = 0;
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msg.msg_namelen = 0;
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msg.msg_flags = 0;
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struct cmsghdr *cmsg = CMSG_FIRSTHDR (&msg);
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cmsg->cmsg_level = SOL_SOCKET;
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cmsg->cmsg_type = SCM_RIGHTS;
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cmsg->cmsg_len = CMSG_LEN(sizeof(int));
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msg.msg_controllen = cmsg->cmsg_len;
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*((int*)CMSG_DATA(cmsg)) = launchd_fd;
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if (sendmsg(connected_fd, &msg, 0) < 0) {
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fprintf(stderr, "Error sending $DISPLAY file descriptor: %s\n", strerror(errno));
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return;
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}
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fprintf(stderr, "send %d %d %d %s\n", connected_fd, launchd_fd, errno, strerror(errno));
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}
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static void handoff_fd(const char *filename, int launchd_fd) {
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struct sockaddr_un servaddr_un;
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struct sockaddr *servaddr;
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socklen_t servaddr_len;
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int handoff_fd, connected_fd;
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/* Setup servaddr_un */
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memset (&servaddr_un, 0, sizeof (struct sockaddr_un));
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servaddr_un.sun_family = AF_UNIX;
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strlcpy(servaddr_un.sun_path, filename, sizeof(servaddr_un.sun_path));
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servaddr = (struct sockaddr *) &servaddr_un;
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servaddr_len = sizeof(struct sockaddr_un) - sizeof(servaddr_un.sun_path) + strlen(filename);
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handoff_fd = socket(PF_UNIX, SOCK_STREAM, 0);
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if(handoff_fd == 0) {
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fprintf(stderr, "Failed to create socket: %s - %s\n", filename, strerror(errno));
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return;
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}
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connected_fd = connect(handoff_fd, servaddr, servaddr_len);
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if(connected_fd == -1) {
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fprintf(stderr, "Failed to establish connection on socket: %s - %s\n", filename, strerror(errno));
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return;
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}
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send_fd_handoff(connected_fd, launchd_fd);
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close(handoff_fd);
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}
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2008-05-06 09:06:19 +02:00
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2008-05-13 19:40:20 +02:00
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int main(int argc, char **argv, char **envp) {
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2008-05-15 21:26:32 +02:00
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#ifdef NEW_LAUNCH_METHOD
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2008-05-13 19:40:20 +02:00
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int envpc;
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kern_return_t kr;
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mach_port_t mp;
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2008-05-14 10:13:15 +02:00
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string_array_t newenvp;
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string_array_t newargv;
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2008-05-14 10:33:43 +02:00
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size_t i;
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2008-05-15 21:26:32 +02:00
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int launchd_fd;
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string_t handoff_socket;
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2008-05-13 19:40:20 +02:00
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#endif
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2008-05-06 09:06:19 +02:00
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if(argc == 2 && !strcmp(argv[1], "-version")) {
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fprintf(stderr, "X.org Release 7.3\n");
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fprintf(stderr, "X.Org X Server %s\n", XSERVER_VERSION);
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fprintf(stderr, "Build Date: %s\n", BUILD_DATE);
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2008-05-13 19:40:20 +02:00
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return EXIT_SUCCESS;
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2008-05-06 09:06:19 +02:00
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}
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2008-05-13 19:40:20 +02:00
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2008-05-15 21:26:32 +02:00
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#ifdef NEW_LAUNCH_METHOD
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/* Get the $DISPLAY FD */
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launchd_fd = launchd_display_fd();
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2008-05-13 19:40:20 +02:00
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kr = bootstrap_look_up(bootstrap_port, SERVER_BOOTSTRAP_NAME, &mp);
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if(kr != KERN_SUCCESS) {
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set_x11_path();
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/* This forking is ugly and will be cleaned up later */
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pid_t child = fork();
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if(child == -1) {
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fprintf(stderr, "Could not fork: %s\n", strerror(errno));
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return EXIT_FAILURE;
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}
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if(child == 0) {
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2008-05-14 10:13:15 +02:00
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char *_argv[3];
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_argv[0] = x11_path;
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_argv[1] = "--listenonly";
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_argv[2] = NULL;
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2008-05-14 10:33:43 +02:00
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fprintf(stderr, "Starting X server: %s --listenonly\n", x11_path);
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2008-05-14 10:13:15 +02:00
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return execvp(x11_path, _argv);
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2008-05-13 19:40:20 +02:00
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}
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/* Try connecting for 10 seconds */
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2008-05-15 21:26:32 +02:00
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for(i=0; i < 80; i++) {
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2008-05-14 10:33:43 +02:00
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usleep(250000);
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2008-05-13 19:40:20 +02:00
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kr = bootstrap_look_up(bootstrap_port, SERVER_BOOTSTRAP_NAME, &mp);
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if(kr == KERN_SUCCESS)
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break;
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}
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if(kr != KERN_SUCCESS) {
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2008-05-14 10:33:43 +02:00
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fprintf(stderr, "bootstrap_look_up(): Timed out: %s\n", bootstrap_strerror(kr));
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2008-05-13 19:40:20 +02:00
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return EXIT_FAILURE;
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}
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}
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2008-05-15 21:26:32 +02:00
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/* Handoff the $DISPLAY FD */
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if(launchd_fd != -1) {
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2008-05-19 11:45:47 +02:00
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tmpnam(handoff_socket);
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if(prep_fd_handoff(mp, handoff_socket) == KERN_SUCCESS) {
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handoff_fd(handoff_socket, launchd_fd);
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} else {
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fprintf(stderr, "Unable to hand of $DISPLAY file descriptor\n");
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}
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2008-05-15 21:26:32 +02:00
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}
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2008-05-13 19:40:20 +02:00
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/* Count envp */
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for(envpc=0; envp[envpc]; envpc++);
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2008-05-06 09:06:19 +02:00
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2008-05-14 10:13:15 +02:00
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/* We have fixed-size string lengths due to limitations in IPC,
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* so we need to copy our argv and envp.
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*/
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newargv = (string_array_t)alloca(argc * sizeof(string_t));
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newenvp = (string_array_t)alloca(envpc * sizeof(string_t));
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if(!newargv || !newenvp) {
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fprintf(stderr, "Memory allocation failure\n");
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exit(EXIT_FAILURE);
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}
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for(i=0; i < argc; i++) {
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strlcpy(newargv[i], argv[i], STRING_T_SIZE);
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}
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for(i=0; i < envpc; i++) {
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strlcpy(newenvp[i], envp[i], STRING_T_SIZE);
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}
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kr = start_x11_server(mp, newargv, argc, newenvp, envpc);
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2008-05-13 19:40:20 +02:00
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if (kr != KERN_SUCCESS) {
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fprintf(stderr, "start_x11_server: %s\n", mach_error_string(kr));
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return EXIT_FAILURE;
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}
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return EXIT_SUCCESS;
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2008-05-06 09:06:19 +02:00
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2008-05-13 19:40:20 +02:00
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#else
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set_x11_path();
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2008-05-06 09:06:19 +02:00
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argv[0] = x11_path;
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return execvp(x11_path, argv);
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2008-05-13 19:40:20 +02:00
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#endif
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2008-05-06 09:06:19 +02:00
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}
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