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XQuartz: Check the DISPLAY environment variable to see if the socket at startup is ours. If not, ignore it and fork/exec startx.

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This commit is contained in:
Jeremy Huddleston 2009-09-04 00:38:58 -07:00
parent 990038ab00
commit 3d5e10cce3
2 changed files with 42 additions and 10 deletions
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44
hw/xquartz/mach-startup/bundle-main.c
View File

@ -355,7 +355,7 @@ kern_return_t do_start_x11_server(mach_port_t port, string_array_t argv,
return KERN_FAILURE;
}
int startup_trigger(int argc, char **argv, char **envp) {
static int startup_trigger(int argc, char **argv, char **envp) {
Display *display;
const char *s;
@ -392,9 +392,9 @@ int startup_trigger(int argc, char **argv, char **envp) {
kr = bootstrap_look_up(bootstrap_port, server_bootstrap_name, &mp);
if (kr != KERN_SUCCESS) {
#if MAC_OS_X_VERSION_MIN_REQUIRED >= 1050
fprintf(stderr, "bootstrap_look_up(): %s\n", bootstrap_strerror(kr));
fprintf(stderr, "bootstrap_look_up(%s): %s\n", server_bootstrap_name, bootstrap_strerror(kr));
#else
fprintf(stderr, "bootstrap_look_up(): %ul\n", (unsigned long)kr);
fprintf(stderr, "bootstrap_look_up(%s): %ul\n", server_bootstrap_name, (unsigned long)kr);
#endif
exit(EXIT_FAILURE);
}
@ -452,6 +452,7 @@ static void ensure_path(const char *dir) {
static void setup_env() {
char *temp;
const char *pds = NULL;
const char *disp = getenv("DISPLAY");
/* Pass on our prefs domain to startx and its inheritors (mainly for
* quartz-wm and the Xquartz stub's MachIPC)
@ -468,12 +469,39 @@ static void setup_env() {
}
}
}
/* We need to unset DISPLAY if it is not our socket */
if(disp) {
if(!pds) {
/* If we can't detet our id, we are beyond hope and need to just
* revert to the non-launchd startup */
unsetenv("DISPLAY");
} else {
/* s = basename(disp) */
const char *d, *s;
for(s = NULL, d = disp; *d; d++) {
if(*d == '/')
s = d + 1;
}
/* If we're not org.x.X11, we want to unset DISPLAY, so we don't
* use the launchd DISPLAY socket.
*/
if(pds == NULL || strcmp(pds, "org.x.X11") != 0)
unsetenv("DISPLAY");
if(s && *s) {
temp = (char *)malloc(sizeof(char) * (strlen(pds) + 3));
if(!temp) {
fprintf(stderr, "Memory allocation error creating space for socket name test.\n");
}
strcpy(temp, pds);
strcat(temp, ":0");
if(strcpy(temp, s) != 0) {
/* If we don't have a match, unset it. */
unsetenv("DISPLAY");
}
free(temp);
} else {
/* The DISPLAY environment variable is not formatted like a launchd socket, so reset. */
unsetenv("DISPLAY");
}
}
}
/* Make sure PATH is right */
ensure_path(X11BINDIR);

8
hw/xquartz/mach-startup/launchd_fd.c
View File

@ -26,6 +26,10 @@
* prior written authorization.
*/
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif
#include <launch.h>
#include <stdio.h>
#include <errno.h>
@ -65,9 +69,9 @@ int launchd_display_fd() {
return ERROR_FD;
}
listening_fd_array = launch_data_dict_lookup(sockets_dict, ":0");
listening_fd_array = launch_data_dict_lookup(sockets_dict, LAUNCHD_ID_PREFIX":0");
if (NULL == listening_fd_array) {
fprintf(stderr,"launchd check-in: No known sockets found to answer requests on!\n");
fprintf(stderr,"launchd check-in: No known sockets found to answer requests on! %s failed.\n", LAUNCHD_ID_PREFIX".startx:0");
return ERROR_FD;
}