add name or basename of private directory being used to the window title when xpra is being used

1 files changed, 50 insertions, 1 deletions

diff --git a/src/firejail/x11.c b/src/firejail/x11.c
index 6395903f9..204889625 100644
--- a/src/firejail/x11.c
+++ b/src/firejail/x11.c
@@ -625,6 +625,52 @@ void x11_start_xephyr(int argc, char **argv) {
 }
 
 
+// this function returns the string that will appear in the window title when xpra is being used
+// this string may include one of these items:
+// *  the "--name" argument, if specified
+// *  the basename portion of the "--private" directory, if specified
+// note: the malloc() is leaking, but this is a small string allocated one time only during startup, so don't care
+static char * get_title_arg_str() {
+
+        char * title_arg_str = NULL;
+
+        const char * title_start = "--title=firejail x11 sandbox";
+        const char * title_sep = " ";
+
+        // use the "--name" argument if it was explicitly specified
+        if ((cfg.name != NULL) && (strlen(cfg.name) > 0)) {
+
+                title_arg_str = malloc(strlen(title_start) + strlen(title_sep) + strlen(cfg.name) + 1);
+
+                strcpy(title_arg_str, title_start);
+                strcat(title_arg_str, title_sep);
+                strcat(title_arg_str, cfg.name);
+        }
+
+        // use the "--private" argument if it was explicitly specified
+        else if ((cfg.home_private != NULL) && (strlen(cfg.home_private) > 0)) {
+
+                char * tmp_in = strdupa(cfg.home_private);
+                char * base_out = strdupa(basename(tmp_in));
+
+                title_arg_str = malloc(strlen(title_start) + strlen(title_sep) + strlen(base_out) + 1);
+
+                strcpy(title_arg_str, title_start);
+                strcat(title_arg_str, title_sep);
+                strcat(title_arg_str, base_out);
+        }
+
+        // default
+        else {
+                title_arg_str = malloc(strlen(title_start) + 1);
+
+                strcpy(title_arg_str, title_start);
+        }
+
+        return title_arg_str;
+}
+
+
 void x11_start_xpra_old(int argc, char **argv, int display, char *display_str) {
         EUID_ASSERT();
         int i;
@@ -752,7 +798,10 @@ void x11_start_xpra_old(int argc, char **argv, int display, char *display_str) {
         free(fname);
 
         // build attach command
-        char *attach_argv[] = { "xpra", "--title=\"firejail x11 sandbox\"", "attach", display_str, NULL };
+
+        char * title_arg_str = get_title_arg_str();
+
+        char *attach_argv[] = { "xpra", title_arg_str, "attach", display_str, NULL };
 
         // run attach command
         client = fork();