on error, allow command character as well as return to continue

[unix-history] / usr / src / usr.bin / passwd / chsh.sh

diff --git a/usr/src/usr.bin/passwd/chsh.sh b/usr/src/usr.bin/passwd/chsh.sh
index e1b6ab5..fa440d6 100644 (file)
--- a/usr/src/usr.bin/passwd/chsh.sh
+++ b/usr/src/usr.bin/passwd/chsh.sh
@@ -1,121 +1,5 @@
-static char *sccsid = "@(#)chsh.sh     4.2 (Berkeley) %G%";
-/*
- * chsh
- */
-#include <stdio.h>
-#include <signal.h>
-#include <pwd.h>
-
-char   passwd[] = "/etc/passwd";
-char   temp[]   = "/etc/ptmp";
-struct passwd *pwd;
-struct passwd *getpwent();
-int    endpwent();
-char   *crypt();
-char   *getpass();
-char   *pw;
-char   pwbuf[10];
-char   buf[BUFSIZ];
-
-main(argc, argv)
-char *argv[];
-{
-       char *p;
-       int i;
-       char saltc[2];
-       long salt;
-       int u,fi,fo;
-       int insist;
-       int ok, flags;
-       int c;
-       int pwlen;
-       FILE *tf;
-
-       insist = 0;
-       if(argc < 2 || argc > 3) {
-               printf("Usage: chsh user [ /bin/oldcsh ] [ /bin/csh ]\n");
-               goto bex;
-       }
-       if (argc == 2)
-               argv[2] = "";
-       else if (strcmp(argv[2], "/bin/oldcsh") && strcmp(argv[2], "/bin/csh") && getuid()) {
-               printf("Only /bin/oldcsh or /bin/csh may be specified\n");
-               exit(1);
-       }
-       if (argc == 3)
-               if (stat(argv[2]) < 0)
-               {
-                       printf("%s is unavailable\n",argv[2]);
-                       exit(1);
-               }
-       while((pwd=getpwent()) != NULL){
-               if(strcmp(pwd->pw_name,argv[1]) == 0){
-                       u = getuid();
-                       if(u!=0 && u != pwd->pw_uid){
-                               printf("Permission denied.\n");
-                               goto bex;
-                               }
-                       break;
-                       }
-               }
-       endpwent();
-       signal(SIGHUP, 1);
-       signal(SIGINT, 1);
-       signal(SIGQUIT, 1);
-       signal(SIGTSTP, 1);
-
-       if(access(temp, 0) >= 0) {
-               printf("Temporary file busy -- try again\n");
-               goto bex;
-       }
-       if((tf=fopen(temp,"w")) == NULL) {
-               printf("Cannot create temporary file\n");
-               goto bex;
-       }
-
-/*
- *     copy passwd to temp, replacing matching lines
- *     with new shell.
- */
-
-       while((pwd=getpwent()) != NULL) {
-               if(strcmp(pwd->pw_name,argv[1]) == 0) {
-                       u = getuid();
-                       if(u != 0 && u != pwd->pw_uid) {
-                               printf("Permission denied.\n");
-                               goto out;
-                       }
-                       pwd->pw_shell = argv[2];
-               }
-               fprintf(tf,"%s:%s:%d:%d:%s:%s:%s\n",
-                       pwd->pw_name,
-                       pwd->pw_passwd,
-                       pwd->pw_uid,
-                       pwd->pw_gid,
-                       pwd->pw_gecos,
-                       pwd->pw_dir,
-                       pwd->pw_shell);
-       }
-       endpwent();
-       fclose(tf);
-
-/*
- *     copy temp back to passwd file
- */
-
-       if((fi=open(temp,0)) < 0) {
-               printf("Temp file disappeared!\n");
-               goto out;
-       }
-       if((fo=creat(passwd, 0644)) < 0) {
-               printf("Cannot recreat passwd file.\n");
-               goto out;
-       }
-       while((u=read(fi,buf,sizeof(buf))) > 0) write(fo,buf,u);
-
-out:
-       unlink(temp);
-
-bex:
-       exit(1);
-}
+#!/bin/sh
+#
+#      @(#)chsh.sh     4.10 (Berkeley) %G%
+#
+echo 'Use "passwd -s"'