From: mar <mar>
Date: Tue, 25 Aug 1992 14:43:12 +0000 (+0000)
Subject: handle "noexec" and "user" config options
X-Git-Tag: release77~425
X-Git-Url: http://andersk.mit.edu/gitweb/moira.git/commitdiff_plain/8b3ba58ebf0a18a240e178ea05986f646e4cbe8d

handle "noexec" and "user" config options
---

diff --git a/update/exec_002.c b/update/exec_002.c
index f02f2081..887c4b13 100644
--- a/update/exec_002.c
+++ b/update/exec_002.c
@@ -12,6 +12,7 @@ static char *rcsid_exec_002_c = "$Header$";
 
 #include <mit-copyright.h>
 #include <stdio.h>
+#include <errno.h>
 #include <sys/types.h>
 #include <sys/wait.h>
 #include <signal.h>
@@ -20,7 +21,9 @@ static char *rcsid_exec_002_c = "$Header$";
 #include "update.h"
 
 extern CONNECTION conn;
-extern int code, errno;
+extern int code, errno, uid;
+extern char *whoami;
+
 
 int
 exec_002(str)
@@ -29,6 +32,12 @@ exec_002(str)
     union wait waitb;
     int n, pid, mask;
 
+    if (config_lookup("noexec")) {
+	code = EPERM;
+	code = send_object(conn, (char *)&code, INTEGER_T);
+	com_err(whoami, code, "Not allowed to execute");
+	return;
+    }
     str += 8;
     while (*str == ' ')
 	str++;
@@ -45,6 +54,10 @@ exec_002(str)
 	    exit(1);
 	return;
     case 0:
+	if (setuid(uid) < 0) {
+	    com_err(whoami, errno, "Unable to setuid to %d\n", uid);
+	    exit(1);
+	}
 	sigsetmask(mask);
 	execlp(str, str, (char *)NULL);
 	n = errno;