From 7e84e539de530b2060f0e570fc8f063ed0aaad2f Mon Sep 17 00:00:00 2001
From: Denis Vlasenko <vda.linux@googlemail.com>
Date: Tue, 8 May 2007 17:52:17 +0000
Subject: cryptpw: new applet (a bit less than 3k added) (by Thomas Lundquist
<lists@zelow.no>)
---
loginutils/Config.in | 6 ++++++
loginutils/Kbuild | 1 +
loginutils/passwd.c | 50 --------------------------------------------------
3 files changed, 7 insertions(+), 50 deletions(-)
(limited to 'loginutils')
diff --git a/loginutils/Config.in b/loginutils/Config.in
index e8ab9ec3c..919091ec6 100644
--- a/loginutils/Config.in
+++ b/loginutils/Config.in
@@ -166,6 +166,12 @@ config FEATURE_PASSWD_WEAK_CHECK
help
With this option passwd will refuse new passwords which are "weak".
+config CRYPTPW
+ bool "cryptpw"
+ default n
+ help
+ Applet for crypting a string.
+
config SU
bool "su"
default n
diff --git a/loginutils/Kbuild b/loginutils/Kbuild
index 6c9d193e1..1b1165a6e 100644
--- a/loginutils/Kbuild
+++ b/loginutils/Kbuild
@@ -7,6 +7,7 @@
lib-y:=
lib-$(CONFIG_ADDGROUP) += addgroup.o
lib-$(CONFIG_ADDUSER) += adduser.o
+lib-$(CONFIG_CRYPTPW) += cryptpw.o
lib-$(CONFIG_GETTY) += getty.o
lib-$(CONFIG_LOGIN) += login.o
lib-$(CONFIG_PASSWD) += passwd.o
diff --git a/loginutils/passwd.c b/loginutils/passwd.c
index b937ce45e..a323c0a40 100644
--- a/loginutils/passwd.c
+++ b/loginutils/passwd.c
@@ -12,44 +12,6 @@ static void nuke_str(char *str)
if (str) memset(str, 0, strlen(str));
}
-
-static int i64c(int i)
-{
- i &= 0x3f;
- if (i == 0)
- return '.';
- if (i == 1)
- return '/';
- if (i < 12)
- return ('0' - 2 + i);
- if (i < 38)
- return ('A' - 12 + i);
- return ('a' - 38 + i);
-}
-
-
-static void crypt_make_salt(char *p, int cnt)
-{
- unsigned x = x; /* it's pointless to initialize it anyway :) */
-
- x += getpid() + time(NULL) + clock();
- do {
- /* x = (x*1664525 + 1013904223) % 2^32 generator is lame
- * (low-order bit is not "random", etc...),
- * but for our purposes it is good enough */
- x = x*1664525 + 1013904223;
- /* BTW, Park and Miller's "minimal standard generator" is
- * x = x*16807 % ((2^31)-1)
- * It has no problem with visibly alternating lowest bit
- * but is also weak in cryptographic sense + needs div,
- * which needs more code (and slower) on many CPUs */
- *p++ = i64c(x >> 16);
- *p++ = i64c(x >> 22);
- } while (--cnt);
- *p = '\0';
-}
-
-
static char* new_password(const struct passwd *pw, uid_t myuid, int algo)
{
char salt[sizeof("$N$XXXXXXXX")]; /* "$N$XXXXXXXX" or "XX" */
@@ -109,18 +71,6 @@ static char* new_password(const struct passwd *pw, uid_t myuid, int algo)
}
-#if 0
-static int get_algo(char *a)
-{
- /* standard: MD5 */
- int x = 1;
- if (strcasecmp(a, "des") == 0)
- x = 0;
- return x;
-}
-#endif
-
-
static int update_passwd(const char *filename, const char *username,
const char *new_pw)
{
--
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