Did I break anything?
Too paranoid?
Index: screen/tty.sh
===================================================================
--- screen.orig/tty.sh 2013-01-26 07:55:33.092171499 +0000
+++ screen/tty.sh 2013-01-26 08:56:34.254462991 +0000
@@ -1505,12 +1505,29 @@
CheckTtyname (tty)
char *tty;
{
+ char real[MAX_PATH];
struct stat st;
-
- if (lstat(tty, &st) || !S_ISCHR(st.st_mode) ||
- (st.st_nlink > 1 && strncmp(tty, "/dev/", 5)))
- return -1;
- return 0;
+ if (0 == lstat(tty, &st)) {
+ if (S_ISCHR(st.st_mode)) {
+ if ((1 == st.st_nlink) || (0 == strncmp(tty, "/dev/", 5)))
+ return 0;
+ } else if (S_ISLNK(st.st_mode)) {
+ if (0 == stat(tty, &st) && S_ISCHR(st.st_mode)) {
+ if (1 == st.st_nlink) {
+ return 0;
+ } else if (realpath(tty, real)) {
+#if defined(__sun__)
+ if (!strncmp(real, "/devices/", 9))
+ return 0;
+#else
+ if (!strncmp(real, "/dev/", 5))
+ return 0;
+#endif
+ }
+ }
+ }
+ }
+ return -1;
}
--
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