From 3a9241add947cb6d24b5de7a8927517426a78795 Mon Sep 17 00:00:00 2001
From: Rob Landley <rob@landley.net>
Date: Sat, 25 Aug 2012 14:25:22 -0500
Subject: Move commands into "posix", "lsb", and "other" menus/directories.

---
 toys/passwd.c | 274 ----------------------------------------------------------
 1 file changed, 274 deletions(-)
 delete mode 100644 toys/passwd.c

(limited to 'toys/passwd.c')

diff --git a/toys/passwd.c b/toys/passwd.c
deleted file mode 100644
index 122cd942..00000000
--- a/toys/passwd.c
+++ /dev/null
@@ -1,274 +0,0 @@
-/* vi: set sw=4 ts=4:
- *
- * passwd.c - Program to upadte user password.
- *
- * Copyright 2012 Ashwini Kumar <ak.ashwini@gmail.com>
- * Modified 2012 Jason Kyungwan Han <asura321@gmail.com>
- *
- * Not in SUSv4.
-
-USE_PASSWD(NEWTOY(passwd, ">1a:dlu", TOYFLAG_STAYROOT|TOYFLAG_USR|TOYFLAG_BIN))
-
-config PASSWD
-	bool "passwd"
-	default y
-	help
-	  usage: passwd [-a ALGO] [-d] [-l] [-u] <account name>
-
-	  update user’s authentication tokens. Default : current user
-
-	  -a ALGO	Encryption method (des, md5, sha256, sha512) default: des
-	  -d		Set password to ''
-	  -l		Lock (disable) account
-	  -u 		Unlock (enable) account
-
-*/
-
-#include "toys.h"
-#include <time.h>
-
-
-DEFINE_GLOBALS(
-	char *algo;
-)
-
-#define TT this.passwd
-
-#define FLAG_u	(1 << 0)
-#define FLAG_l	(1 << 1)
-#define FLAG_d	(1 << 2)
-#define FLAG_a	(1 << 3)
-
-#define MAX_SALT_LEN  20 //3 for id, 16 for key, 1 for '\0'
-#define URANDOM_PATH    "/dev/urandom"
-
-#ifndef _GNU_SOURCE
-char *strcasestr(const char *haystack, const char *needle);
-#endif
-
-unsigned int random_number_generator(int fd)
-{
-    unsigned int randnum;
-    xreadall(fd, &randnum, sizeof(randnum));
-	return randnum;
-}
-
-
-
-char inttoc(int i)
-{
-	// salt value uses 64 chracters in "./0-9a-zA-Z"
-	const char character_set[]="./0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
-    i &= 0x3f; // masking for using 10 bits only
-	return character_set[i];
-}
-
-int get_salt(char *salt)
-{                     
-	int i, salt_length = 0;
-    int randfd;
-	if(!strncmp(TT.algo,"des",3)){
-		// 2 bytes salt value is used in des
-		salt_length = 2;
-	} else {
-		*salt++ = '$';
-		if(!strncmp(TT.algo,"md5",3)){
-			*salt++ = '1';
-			// 8 bytes salt value is used in md5
-			salt_length = 8;
-		} else if(!strncmp(TT.algo,"sha256",6)){
-			*salt++ = '5';
-			// 16 bytes salt value is used in sha256
-			salt_length = 16;
-		} else if(!strncmp(TT.algo,"sha512",6)){
-			*salt++ = '6';
-			// 16 bytes salt value is used in sha512
-			salt_length = 16;
-		} else return 1;
-
-		*salt++ = '$';
-	}
-
-    randfd = xopen(URANDOM_PATH, O_RDONLY);
-	for(i=0; i<salt_length; i++)
-		salt[i] = inttoc(random_number_generator(randfd));
-	salt[salt_length+1] = '\0';
-    xclose(randfd);
-
-	return 0;
-}
-
-static int str_check(char *s, char *p)
-{
-    if((strcasestr(s, p) != NULL) || (strcasestr(p, s) != NULL))
-        return 1;
-    return 0;
-}
-
-static void strength_check(char *newp, char *oldp, char *user)
-{
-    char *msg = NULL;
-    if(strlen(newp) < 6) { //Min passwd len
-        msg = "too short";
-        xprintf("BAD PASSWORD: %s\n",msg);
-    }
-    if(!newp[0])
-        return; //passwd is empty
-
-    if(str_check(newp, user)) {
-        msg = "user based password";
-        xprintf("BAD PASSWORD: %s\n",msg);
-    }
-
-    if(oldp[0] && str_check(newp, oldp)) {
-        msg = "based on old passwd";
-        xprintf("BAD PASSWORD: %s\n",msg);
-    }
-}
-
-static int verify_passwd(char * pwd)
-{    
-    char * pass;
-
-    if (!pwd) return 1;
-    if (pwd[0] == '!' || pwd[0] == '*') return 1;
-
-    pass = crypt(toybuf, pwd);
-    if (pass != NULL && strcmp(pass, pwd)==0)
-        return 0;
-
-    return 1;
-}
-
-static char *new_password(char *oldp, char *user)
-{
-    char *newp = NULL;
-
-    if(read_password(toybuf, sizeof(toybuf), "New password:"))
-        return NULL; //may be due to Ctrl-C
-
-    newp = xstrdup(toybuf);
-    strength_check(newp, oldp, user);
-    if(read_password(toybuf, sizeof(toybuf), "Retype password:")) {
-        free(newp);
-        return NULL; //may be due to Ctrl-C
-    }
-
-    if(strcmp(newp, toybuf) == 0)
-        return newp;
-    else error_msg("Passwords do not match.\n");
-    /*Failure Case */
-    free(newp);
-    return NULL;
-}
-
-
-void passwd_main(void)
-{
-    uid_t myuid;
-    struct passwd *pw;
-    struct spwd *sp;
-    char *name = NULL;
-    char *pass = NULL, *encrypted = NULL, *newp = NULL;
-    char *orig = (char *)"";
-    char salt[MAX_SALT_LEN];
-    int ret = -1;
-
-    myuid = getuid();
-    if((myuid != 0) && (toys.optflags & (FLAG_l | FLAG_u | FLAG_d)))
-        error_exit("You need to be root to do these actions\n");
-
-    pw = getpwuid(myuid);
-
-    if(!pw)
-        error_exit("Unknown uid '%u'",myuid);
-
-    if(toys.optargs[0])
-        name = toys.optargs[0];
-    else
-        name = xstrdup(pw->pw_name);
-
-    pw = getpwnam(name);
-    if(!pw) error_exit("Unknown user '%s'",name);
-
-    if(myuid != 0 && (myuid != pw->pw_uid))
-        error_exit("You need to be root to change '%s' password\n", name);
-
-    pass = pw->pw_passwd;
-    if(pw->pw_passwd[0] == 'x') {
-        /*get shadow passwd */
-        sp = getspnam(name);
-        if(sp)
-            pass = sp->sp_pwdp;
-    }
-
-
-    if(!(toys.optflags & (FLAG_l | FLAG_u | FLAG_d))) {
-        printf("Changing password for %s\n",name);
-        if(pass[0] == '!') 
-            error_exit("Can't change, password is locked for %s",name);
-        if(myuid != 0) {
-            /*Validate user */
-
-            if(read_password(toybuf, sizeof(toybuf), "Origial password:")) {
-                if(!toys.optargs[0]) free(name);
-                return;
-            }
-            orig = toybuf;
-            if(verify_passwd(pass))
-                error_exit("Authentication failed\n");
-        }
-
-        orig = xstrdup(orig);
-
-        /*Get new password */
-        newp = new_password(orig, name);
-        if(!newp) {
-            free(orig);
-            if(!toys.optargs[0]) free(name);
-            return; //new password is not set well.
-        }
-
-        /*Encrypt the passwd */
-        if(!(toys.optflags & FLAG_a)) TT.algo = "des";
-
-		if(get_salt(salt))
-			error_exit("Error: Unkown encryption algorithm\n");
-		
-        encrypted = crypt(newp, salt);
-        free(newp);
-        free(orig);
-    }
-    else if(toys.optflags & FLAG_l) {
-        if(pass[0] == '!')
-            error_exit("password is already locked for %s",name);
-        printf("Locking password for %s\n",name);
-        encrypted = xmsprintf("!%s",pass);
-    }
-    else if(toys.optflags & FLAG_u) {
-        if(pass[0] != '!')         
-            error_exit("password is already unlocked for %s",name);
-
-        printf("Unlocking password for %s\n",name);
-        encrypted = xstrdup(&pass[1]);
-    }
-    else if(toys.optflags & FLAG_d) {
-        printf("Deleting password for %s\n",name);
-        encrypted = (char*)xzalloc(sizeof(char)*2); //1 = "", 2 = '\0'
-    }
-
-    /*Update the passwd */
-    if(pw->pw_passwd[0] == 'x')
-        ret = update_password("/etc/shadow", name, encrypted);
-    else
-        ret = update_password("/etc/passwd", name, encrypted);
-
-    if((toys.optflags & (FLAG_l | FLAG_u | FLAG_d))) 
-        free(encrypted);
-
-    if(!toys.optargs[0]) free(name);
-    if(!ret)
-        error_msg("Success");
-    else
-        error_msg("Failure");
-}
-- 
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