Pledge on OpenBSD

1 files changed, 8 insertions, 0 deletions

diff --git a/st.c b/st.c
index 0628707..b9750f2 100644
--- a/st.c
+++ b/st.c
@@ -28,6 +28,10 @@
  #include <libutil.h>
 #endif
 
+#ifndef __OpenBSD__
+#define pledge(a,b) 0
+#endif
+
 /* Arbitrary sizes */
 #define UTF_INVALID   0xFFFD
 #define UTF_SIZ       4
@@ -806,9 +810,13 @@ ttynew(char *line, char *cmd, char *out, char **args)
                         die("ioctl TIOCSCTTY failed: %s\n", strerror(errno));
                 close(s);
                 close(m);
+                if (pledge("stdio getpw proc exec", NULL) == -1)
+                        die("pledge\n");
                 execsh(cmd, args);
                 break;
         default:
+                if (pledge("stdio rpath tty proc", NULL) == -1)
+                        die("pledge\n");
                 close(s);
                 cmdfd = m;
                 signal(SIGCHLD, sigchld);