BSD 4 release

[unix-history] / usr / src / cmd / su.c

diff --git a/usr/src/cmd/su.c b/usr/src/cmd/su.c
index 0e78c67..48de85b 100644 (file)
--- a/usr/src/cmd/su.c
+++ b/usr/src/cmd/su.c
@@ -1,3 +1,4 @@
+static char *sccsid = "@(#)su.c        4.1 (Berkeley) 10/1/80";

 #include <stdio.h>
 #include <pwd.h>
 
 #include <stdio.h>
 #include <pwd.h>
 


@@ -13,11 +14,15 @@ char        **argv;
        char *password;
        int badsw = 0;
        char *shell = "/bin/sh";
        char *password;
        int badsw = 0;
        char *shell = "/bin/sh";

+       int niced = 0;

 
        if(argc > 1)
                nptr = argv[1];
 
        if(argc > 1)
                nptr = argv[1];

-       else
+       else {

                nptr = "root";
                nptr = "root";

+               nice(-4);
+               niced = -4;
+       }

        if((pwd=getpwnam(nptr)) == NULL) {
                printf("Unknown id: %s\n",nptr);
                exit(1);
        if((pwd=getpwnam(nptr)) == NULL) {
                printf("Unknown id: %s\n",nptr);
                exit(1);


@@ -37,9 +42,6 @@ bad:
                }
                exit(2);
        }
                }
                exit(2);
        }

-       if(pwd->pw_uid == 0 && badroot(getgid(),getuid()))
-               goto bad;
-

 ok:
        endpwent();
        if(pwd->pw_uid == 0) {
 ok:
        endpwent();
        if(pwd->pw_uid == 0) {


@@ -55,20 +57,11 @@ ok:
                shell = pwd->pw_shell;
        homeis(pwd->pw_dir);
        shellis(shell);
                shell = pwd->pw_shell;
        homeis(pwd->pw_dir);
        shellis(shell);

+       nice(-niced);

        execl(shell, "su", 0);
        printf("No shell\n");
        exit(3);
 }
        execl(shell, "su", 0);
        printf("No shell\n");
        exit(3);
 }

-badroot(gid,uid)
-{
-/*
-       if(gid!=10 || (uid > 15 && (uid!=40 && uid!=209 && uid!=203
-                                   && uid!=54 && uid!=245)))
-               return(1);
-       else 
-*/
-               return(0);
-}

 
 char   **environ;
 
 
 char   **environ;