X-Git-Url: https://git.subgeniuskitty.com/unix-history/.git/blobdiff_plain/9f52e30a5240cb6995b424a41d4196c79cd53a07..62b94f40e989021c69b77d2e03b418c4abc3a021:/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 217cd38694..fa440d6045 100644
--- a/usr/src/usr.bin/passwd/chsh.sh
+++ b/usr/src/usr.bin/passwd/chsh.sh
@@ -1,126 +1,5 @@
-#ifndef lint
-static char *sccsid = "@(#)chsh.sh	4.5 (Berkeley) %G%";
-#endif
-
-/*
- * chsh
- */
-#include <stdio.h>
-#include <signal.h>
-#include <pwd.h>
-#include <sys/file.h>
-#include <time.h>
-#include <resource.h>
-
-char	passwd[] = "/etc/passwd";
-char	temp[]	 = "/etc/ptmp";
-struct	passwd *pwd;
-struct	passwd *getpwent();
-int	endpwent();
-char	*crypt();
-char	*getpass();
-char	*strcat();
-char	buf[BUFSIZ];
-
-main(argc, argv)
-register char *argv[];
-{
-	register int u, fd;
-	register FILE *tf;
-
-	if (argc < 2 || argc > 3) {
-		printf("Usage: chsh user [ /bin/csh ]\n");
-		exit(1);
-	}
-	if (argc == 2)
-		argv[2] = "";
-	else {
-		if (argv[2][0] != '/')
-			argv[2] = strcat(
-			    "/bin/\0 12345678901234567890123456789", argv[2]);
-		if (strcmp(argv[2], "/bin/csh") &&
-		    strcmp(argv[2], "/bin/oldcsh") &&
-		    strcmp(argv[2], "/bin/newcsh") &&
-		    strcmp(argv[2], "/usr/new/csh") &&
-			/* and, for cretins who can't read the manual */
-		    strcmp(argv[2], "/bin/sh") &&
-		    getuid()) {
-			printf(
-			    "Only /bin/csh may be specified\n"
-			);
-			exit(1);
-		}
-		if (access(argv[2], 1) < 0) {
-			printf("%s is not available\n", argv[2]);
-			exit(1);
-		}
-	}
-	unlimit(RLIMIT_CPU);
-	unlimit(RLIMIT_FSIZE);
-	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");
-				exit(1);
-			}
-			break;
-		}
-	}
-	endpwent();
-
-	signal(SIGHUP, SIG_IGN);
-	signal(SIGINT, SIG_IGN);
-	signal(SIGQUIT, SIG_IGN);
-	signal(SIGTSTP, SIG_IGN);
-	if ((fd = open(temp, O_CREAT|O_EXCL|O_RDWR, 0644)) < 0) {
-		printf("Temporary file busy -- try again\n");
-		exit(1);
-	}
-	if ((tf=fdopen(fd, "w")) == NULL) {
-		printf("Absurd fdopen failure - seek help\n");
-		goto out;
-	}
-	/*
-	 * 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];
-		}
-		if (strcmp(pwd->pw_shell, "/bin/sh") == 0)
-			pwd->pw_shell = "";
-		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();
-	if (rename(temp, passwd) < 0) {
-		fprintf(stderr, "chsh: "); perror("rename");
-  out:
-		unlink(temp);
-		exit(1);
-	}
-	fclose(tf);
-	exit(0);
-}
-
-unlimit(lim)
-{
-	struct rlimit rlim;
-
-	rlim.rlim_cur = rlim.rlim_max = RLIM_INFINITY;
-	setrlimit(lim, &rlim);
-}
+#!/bin/sh
+#
+#	@(#)chsh.sh	4.10 (Berkeley) %G%
+#
+echo 'Use "passwd -s"'