diff options
| author | Theo de Raadt <deraadt@cvs.openbsd.org> | 1996-07-27 12:38:07 +0000 |
|---|---|---|
| committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 1996-07-27 12:38:07 +0000 |
| commit | 7ee7008b9866fe5d1857d59130234662b4a2c42c (patch) | |
| tree | 43c9bcea7833fa7bb16e36b36a6101e8edfb23ed /usr.sbin | |
| parent | ba5ff4ce6f3af1d5219022a9a2323a257ca09461 (diff) | |
pass a minimal environment ($PATH)
Diffstat (limited to 'usr.sbin')
| -rw-r--r-- | usr.sbin/pppd/main.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/usr.sbin/pppd/main.c b/usr.sbin/pppd/main.c index 2b2e9e0daac..db5f4c89f9e 100644 --- a/usr.sbin/pppd/main.c +++ b/usr.sbin/pppd/main.c @@ -1,4 +1,4 @@ -/* $OpenBSD: main.c,v 1.9 1996/07/20 12:02:11 joshd Exp $ */ +/* $OpenBSD: main.c,v 1.10 1996/07/27 12:38:06 deraadt Exp $ */ /* * main.c - Point-to-Point Protocol main module @@ -20,7 +20,7 @@ */ #ifndef lint -static char rcsid[] = "$OpenBSD: main.c,v 1.9 1996/07/20 12:02:11 joshd Exp $"; +static char rcsid[] = "$OpenBSD: main.c,v 1.10 1996/07/27 12:38:06 deraadt Exp $"; #endif #include <stdio.h> @@ -100,6 +100,11 @@ static int locked; /* lock() has succeeded */ char *no_ppp_msg = "Sorry - this system lacks PPP kernel support\n"; +static char *restricted_environ[] = { + "PATH=" _PATH_STDPATH, + NULL +}; + /* Prototypes for procedures local to this file. */ static void cleanup __P((void)); @@ -1037,8 +1042,6 @@ run_program(prog, args, must_exist) int must_exist; { int pid; - char *nullenv[1]; - pid = fork(); if (pid == -1) { @@ -1083,8 +1086,7 @@ run_program(prog, args, must_exist) /* SysV recommends a second fork at this point. */ /* run the program; give it a null environment */ - nullenv[0] = NULL; - execve(prog, args, nullenv); + execve(prog, args, restricted_environ); if (must_exist || errno != ENOENT) syslog(LOG_WARNING, "Can't execute %s: %m", prog); _exit(-1); |