1 files changed, 112 insertions, 3 deletions
diff --git a/sysutils/screen49/files/patch-screen.c b/sysutils/screen49/files/patch-screen.c
index 50b28c02a955..bde83a3b06cc 100644
--- a/sysutils/screen49/files/patch-screen.c
+++ b/sysutils/screen49/files/patch-screen.c
@@ -1,6 +1,115 @@
---- screen.c.orig	2017-07-10 12:26:25.000000000 -0700
-+++ screen.c	2017-08-25 20:20:20.471073000 -0700
-@@ -2214,7 +2214,7 @@
+--- screen.c.orig	2023-08-16 00:29:26 UTC
++++ screen.c
+@@ -230,8 +230,6 @@ int multiattach;
+ int multi_uid;
+ int own_uid;
+ int multiattach;
+-int tty_mode;
+-int tty_oldmode = -1;
+ #endif
+ 
+ char HostName[MAXSTR];
+@@ -1009,9 +1007,6 @@ int main(int ac, char** av)
+ 
+     /* ttyname implies isatty */
+     SetTtyname(true, &st);
+-#ifdef MULTIUSER
+-    tty_mode = (int)st.st_mode & 0777;
+-#endif
+ 
+     fl = fcntl(0, F_GETFL, 0);
+     if (fl != -1 && (fl & (O_RDWR|O_RDONLY|O_WRONLY)) == O_RDWR)
+@@ -1127,15 +1122,28 @@ int main(int ac, char** av)
+ #endif
+   }
+ 
+-  if (stat(SockPath, &st) == -1)
+-    Panic(errno, "Cannot access %s", SockPath);
+-  else
+-    if (!S_ISDIR(st.st_mode))
++  if (stat(SockPath, &st) == -1) {
++    if (eff_uid == real_uid) {
++      Panic(errno, "Cannot access %s", SockPath);
++    } else {
++      Panic(0, "Error accessing %s", SockPath);
++    }
++  } else if (!S_ISDIR(st.st_mode)) {
++    if (eff_uid == real_uid || st.st_uid == real_uid) {
+       Panic(0, "%s is not a directory.", SockPath);
++    } else {
++      Panic(0, "Error accessing %s", SockPath);
++    }
++  }
+ #ifdef MULTIUSER
+   if (multi) {
+-    if ((int)st.st_uid != multi_uid)
+-      Panic(0, "%s is not the owner of %s.", multi, SockPath);
++    if ((int)st.st_uid != multi_uid) {
++      if (eff_uid == real_uid || st.st_uid == real_uid) {
++        Panic(0, "%s is not the owner of %s.", multi, SockPath);
++      } else {
++        Panic(0, "Error accessing %s", SockPath);
++      }
++    }
+   }
+   else
+ #endif
+@@ -1149,9 +1157,13 @@ int main(int ac, char** av)
+       Panic(0, "You are not the owner of %s.", SockPath);
+ #endif
+   }
+-
+-  if ((st.st_mode & 0777) != 0700)
+-    Panic(0, "Directory %s must have mode 700.", SockPath);
++  if ((st.st_mode & 0777) != 0700) {
++    if (eff_uid == real_uid || st.st_uid == real_uid) {
++      Panic(0, "Directory %s must have mode 700.", SockPath);
++    } else {
++      Panic(0, "Error accessing %s", SockPath);
++    }
++  }
+   if (SockMatch && index(SockMatch, '/'))
+     Panic(0, "Bad session name '%s'", SockMatch);
+   SockName = SockPath + strlen(SockPath) + 1;
+@@ -1189,8 +1201,14 @@ int main(int ac, char** av)
+       else
+         exit(9 + (fo || oth ? 1 : 0) + fo);
+     }
+-    if (fo == 0)
+-      Panic(0, "No Sockets found in %s.\n", SockPath);
++    if (fo == 0) {
++      if (eff_uid == real_uid || st.st_uid == real_uid) {
++        Panic(0, "No Sockets found in %s.\n", SockPath);
++      } else {
++        Panic(0, "Error accessing %s", SockPath);
++      }
++    }
++
+     Msg(0, "%d Socket%s in %s.", fo, fo > 1 ? "s" : "", SockPath);
+     eexit(0);
+   }
+@@ -2170,20 +2188,6 @@ DEFINE_VARARGS_FN(Panic)
+       if (D_userpid)
+         Kill(D_userpid, SIG_BYE);
+     }
+-#ifdef MULTIUSER
+-  if (tty_oldmode >= 0) {
+-
+-# ifdef USE_SETEUID
+-    if (setuid(own_uid))
+-      xseteuid(own_uid);	/* may be a loop. sigh. */
+-# else
+-      setuid(own_uid);
+-# endif
+-
+-    debug1("Panic: changing back modes from %s\n", attach_tty);
+-    chmod(attach_tty, tty_oldmode);
+-  }
+-#endif
+   eexit(1);
+ }
+ 
+@@ -2234,7 +2238,7 @@ static char *pad_expand(char *buf, char *p, int numpad
    pn2 = pn = p + padlen;
    r = winmsg_numrend;
    while (p >= buf) {