mirror of
https://github.com/matrix-construct/construct
synced 2024-11-29 02:02:38 +01:00
Import new mkpasswd from ircd-ratbox.
This now uses libratbox.
This commit is contained in:
Jilles Tjoelker
parent
4a584d412e
commit
f1d07f6b7c
2 changed files with 441 additions and 282 deletions
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@ -15,13 +15,14 @@ MV = @MV@
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RM = @RM@
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LN = @LN@
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IRCDLIBS = @LIBS@
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INCLUDES = -I../include
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IRCDLIBS = -L../libratbox/src/.libs -lratbox @LIBS@
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INCLUDES = -I../include -I../libratbox/include
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CPPFLAGS = ${INCLUDES} @CPPFLAGS@
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prefix = @prefix@
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exec_prefix = @exec_prefix@
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bindir = @bindir@
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libdir = @libdir@
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libexecdir = @libexecdir@
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confdir = @confdir@
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localstatedir = @localstatedir@
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718
tools/mkpasswd.c
718
tools/mkpasswd.c
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@ -9,7 +9,7 @@
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** /dev/random for salt generation added by
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** Aaron Sethman <androsyn@ratbox.org>
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**
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** $Id: mkpasswd.c 6 2005-09-10 01:02:21Z nenolod $
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** $Id: mkpasswd.c 26439 2009-02-01 15:27:24Z jilles $
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*/
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#include <stdio.h>
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#include <string.h>
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@ -17,24 +17,32 @@
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#include <time.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include "ratbox_lib.h"
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#ifndef __MINGW32__
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#include <pwd.h>
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#endif
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#define FLAG_MD5 0x00000001
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#define FLAG_DES 0x00000002
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#define FLAG_SALT 0x00000004
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#define FLAG_PASS 0x00000008
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#define FLAG_LENGTH 0x00000010
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#define FLAG_MD5 0x00000001
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#define FLAG_DES 0x00000002
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#define FLAG_SALT 0x00000004
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#define FLAG_PASS 0x00000008
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#define FLAG_LENGTH 0x00000010
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#define FLAG_BLOWFISH 0x00000020
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#define FLAG_ROUNDS 0x00000040
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#define FLAG_EXT 0x00000080
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#define FLAG_ROUNDS 0x00000040
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#define FLAG_EXT 0x00000080
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#define FLAG_SHA256 0x00000100
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#define FLAG_SHA512 0x00000200
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extern char *getpass();
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extern char *crypt();
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static char *make_des_salt(void);
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static char *make_ext_salt(int);
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static char *make_ext_salt_para(int, char *);
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static char *make_md5_salt(int);
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static char *make_md5_salt_para(char *);
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static char *make_sha256_salt(int);
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static char *make_sha256_salt_para(char *);
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static char *make_sha512_salt(int);
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static char *make_sha512_salt_para(char *);
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static char *make_bf_salt(int, int);
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static char *make_bf_salt_para(int, char *);
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static char *int_to_base64(int);
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@ -44,321 +52,471 @@ static char *generate_poor_salt(char *, int);
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static void full_usage(void);
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static void brief_usage(void);
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static char saltChars[] =
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"./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
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static char saltChars[] = "./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
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/* 0 .. 63, ascii - 64 */
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extern char *optarg;
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int main(int argc, char *argv[])
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#ifdef __MINGW32__
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#include <conio.h>
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#ifdef PASS_MAX
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#undef PASS_MAX
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#endif
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#define PASS_MAX 256
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static char getpassbuf[PASS_MAX + 1];
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static char *
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getpass(const char *prompt)
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{
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char *plaintext = NULL;
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int c;
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char *saltpara = NULL;
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char *salt;
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int flag = 0;
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int length = 0; /* Not Set */
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int rounds = 0; /* Not set, since extended DES needs 25 and blowfish needs
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** 4 by default, a side effect of this being the encryption
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** type parameter must be specified before the rounds
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** parameter.
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*/
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int c;
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int i = 0;
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while( (c=getopt(argc, argv, "mdber:h?l:s:p:")) != -1)
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{
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switch(c)
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{
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case 'm':
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flag |= FLAG_MD5;
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break;
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case 'd':
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flag |= FLAG_DES;
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break;
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case 'b':
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flag |= FLAG_BLOWFISH;
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rounds = 4;
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break;
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case 'e':
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flag |= FLAG_EXT;
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rounds = 25;
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break;
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case 'l':
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flag |= FLAG_LENGTH;
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length = atoi(optarg);
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break;
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case 'r':
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flag |= FLAG_ROUNDS;
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rounds = atoi(optarg);
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break;
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case 's':
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flag |= FLAG_SALT;
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saltpara = optarg;
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break;
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case 'p':
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flag |= FLAG_PASS;
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plaintext = optarg;
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break;
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case 'h':
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full_usage();
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/* NOT REACHED */
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break;
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case '?':
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brief_usage();
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/* NOT REACHED */
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break;
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default:
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printf("Invalid Option: -%c\n", c);
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break;
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}
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}
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memset(getpassbuf, sizeof(getpassbuf), 0);
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fputs(prompt, stderr);
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for(;;)
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{
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c = _getch();
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if(c == '\r')
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{
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getpassbuf[i] = '\0';
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break;
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}
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else if(i < PASS_MAX)
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{
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getpassbuf[i++] = c;
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}
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}
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fputs("\r\n", stderr);
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if (flag & FLAG_MD5)
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{
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if (length == 0)
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length = 8;
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if (flag & FLAG_SALT)
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salt = make_md5_salt_para(saltpara);
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else
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salt = make_md5_salt(length);
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}
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else if (flag & FLAG_BLOWFISH)
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{
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if (length == 0)
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length = 22;
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if (flag & FLAG_SALT)
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salt = make_bf_salt_para(rounds, saltpara);
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else
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salt = make_bf_salt(rounds, length);
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}
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else if (flag & FLAG_EXT)
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{
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/* XXX - rounds needs to be done */
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if (flag & FLAG_SALT)
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{
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if ((strlen(saltpara) == 4))
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{
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salt = make_ext_salt_para(rounds, saltpara);
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}
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else
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{
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printf("Invalid salt, please enter 4 alphanumeric characters\n");
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exit(1);
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}
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}
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else
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{
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salt = make_ext_salt(rounds);
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}
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}
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else
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{
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if (flag & FLAG_SALT)
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{
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if ((strlen(saltpara) == 2))
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{
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salt = saltpara;
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}
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else
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{
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printf("Invalid salt, please enter 2 alphanumeric characters\n");
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exit(1);
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}
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}
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else
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{
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salt = make_des_salt();
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}
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}
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return getpassbuf;
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}
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#endif
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if (flag & FLAG_PASS)
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{
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if (!plaintext)
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printf("Please enter a valid password\n");
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}
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else
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{
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plaintext = getpass("plaintext: ");
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}
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printf("%s\n", crypt(plaintext, salt));
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return 0;
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int
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main(int argc, char *argv[])
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{
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char *plaintext = NULL;
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int c;
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char *saltpara = NULL;
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char *salt;
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int flag = 0;
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int length = 0; /* Not Set */
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int rounds = 0; /* Not set, since extended DES needs 25 and blowfish needs
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** 4 by default, a side effect of this being the encryption
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** type parameter must be specified before the rounds
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** parameter.
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*/
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while((c = getopt(argc, argv, "xymdber:h?l:s:p:")) != -1)
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{
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switch (c)
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{
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case 'm':
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flag |= FLAG_MD5;
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break;
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case 'd':
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flag |= FLAG_DES;
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break;
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case 'b':
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flag |= FLAG_BLOWFISH;
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rounds = 4;
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break;
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case 'e':
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flag |= FLAG_EXT;
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rounds = 25;
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break;
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case 'l':
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flag |= FLAG_LENGTH;
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length = atoi(optarg);
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break;
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case 'r':
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flag |= FLAG_ROUNDS;
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rounds = atoi(optarg);
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break;
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case 's':
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flag |= FLAG_SALT;
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saltpara = optarg;
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break;
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case 'p':
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flag |= FLAG_PASS;
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plaintext = optarg;
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break;
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case 'x':
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flag |= FLAG_SHA256;
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break;
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case 'y':
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flag |= FLAG_SHA512;
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break;
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case 'h':
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full_usage();
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/* NOT REACHED */
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break;
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case '?':
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brief_usage();
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/* NOT REACHED */
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break;
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default:
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printf("Invalid Option: -%c\n", c);
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break;
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}
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}
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if(flag & FLAG_MD5)
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{
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if(length == 0)
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length = 8;
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if(flag & FLAG_SALT)
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salt = make_md5_salt_para(saltpara);
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else
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salt = make_md5_salt(length);
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}
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else if(flag & FLAG_BLOWFISH)
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{
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if(length == 0)
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length = 22;
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if(flag & FLAG_SALT)
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salt = make_bf_salt_para(rounds, saltpara);
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else
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salt = make_bf_salt(rounds, length);
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}
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else if(flag & FLAG_SHA256)
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{
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if(length == 0)
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length = 16;
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if(flag & FLAG_SALT)
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salt = make_sha256_salt_para(saltpara);
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else
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salt = make_sha256_salt(length);
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}
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else if(flag & FLAG_SHA512)
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{
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if(length == 0)
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length = 16;
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if(flag & FLAG_SALT)
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salt = make_sha512_salt_para(saltpara);
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else
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salt = make_sha512_salt(length);
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}
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else if(flag & FLAG_EXT)
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{
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/* XXX - rounds needs to be done */
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if(flag & FLAG_SALT)
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{
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if((strlen(saltpara) == 4))
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{
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salt = make_ext_salt_para(rounds, saltpara);
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}
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else
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{
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printf("Invalid salt, please enter 4 alphanumeric characters\n");
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exit(1);
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}
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}
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else
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{
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salt = make_ext_salt(rounds);
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}
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}
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else
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{
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if(flag & FLAG_SALT)
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{
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if((strlen(saltpara) == 2))
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{
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salt = saltpara;
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}
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else
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{
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printf("Invalid salt, please enter 2 alphanumeric characters\n");
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exit(1);
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}
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}
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else
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{
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salt = make_des_salt();
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}
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}
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if(flag & FLAG_PASS)
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{
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if(!plaintext)
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printf("Please enter a valid password\n");
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}
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else
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{
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plaintext = getpass("plaintext: ");
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}
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printf("%s\n", rb_crypt(plaintext, salt));
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return 0;
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}
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static char *make_des_salt()
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static char *
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make_des_salt()
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{
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static char salt[3];
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generate_random_salt(salt, 2);
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salt[2] = '\0';
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return salt;
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static char salt[3];
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generate_random_salt(salt, 2);
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salt[2] = '\0';
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return salt;
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}
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char *int_to_base64(int value)
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char *
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int_to_base64(int value)
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{
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static char buf[5];
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int i;
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static char buf[5];
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int i;
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for (i = 0; i < 4; i++)
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{
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buf[i] = saltChars[value & 63];
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value >>= 6; /* Right shifting 6 places is the same as dividing by 64 */
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}
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for(i = 0; i < 4; i++)
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{
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buf[i] = saltChars[value & 63];
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value >>= 6; /* Right shifting 6 places is the same as dividing by 64 */
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}
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buf[i] = '\0'; /* not REALLY needed as it's static, and thus initialized
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** to \0.
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*/
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return buf;
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buf[i] = '\0'; /* not REALLY needed as it's static, and thus initialized
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** to \0.
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*/
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return buf;
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}
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char *make_ext_salt(int rounds)
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char *
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make_ext_salt(int rounds)
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{
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static char salt[10];
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static char salt[10];
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sprintf(salt, "_%s", int_to_base64(rounds));
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generate_random_salt(&salt[5], 4);
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salt[9] = '\0';
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return salt;
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sprintf(salt, "_%s", int_to_base64(rounds));
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generate_random_salt(&salt[5], 4);
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salt[9] = '\0';
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return salt;
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}
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char *make_ext_salt_para(int rounds, char *saltpara)
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char *
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make_ext_salt_para(int rounds, char *saltpara)
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{
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static char salt[10];
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static char salt[10];
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sprintf(salt, "_%s%s", int_to_base64(rounds), saltpara);
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return salt;
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sprintf(salt, "_%s%s", int_to_base64(rounds), saltpara);
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return salt;
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}
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char *make_md5_salt_para(char *saltpara)
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char *
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make_md5_salt_para(char *saltpara)
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{
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static char salt[21];
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if (saltpara && (strlen(saltpara) <= 16))
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{
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/* sprintf used because of portability requirements, the length
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** is checked above, so it should not be too much of a concern
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*/
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sprintf(salt, "$1$%s$", saltpara);
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return salt;
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}
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printf("Invalid Salt, please use up to 16 random alphanumeric characters\n");
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exit(1);
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static char salt[21];
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if(saltpara && (strlen(saltpara) <= 16))
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{
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/* sprintf used because of portability requirements, the length
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** is checked above, so it should not be too much of a concern
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*/
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sprintf(salt, "$1$%s$", saltpara);
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return salt;
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}
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printf("Invalid Salt, please use up to 16 random alphanumeric characters\n");
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exit(1);
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/* NOT REACHED */
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return NULL;
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}
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char *make_md5_salt(int length)
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{
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static char salt[21];
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if (length > 16)
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{
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printf("MD5 salt length too long\n");
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exit(0);
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}
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salt[0] = '$';
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salt[1] = '1';
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salt[2] = '$';
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generate_random_salt(&salt[3], length);
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salt[length+3] = '$';
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salt[length+4] = '\0';
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return salt;
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/* NOT REACHED */
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return NULL;
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}
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char *make_bf_salt_para(int rounds, char *saltpara)
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char *
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make_md5_salt(int length)
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{
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static char salt[31];
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char tbuf[3];
|
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if (saltpara && (strlen(saltpara) <= 22))
|
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{
|
||||
/* sprintf used because of portability requirements, the length
|
||||
** is checked above, so it should not be too much of a concern
|
||||
*/
|
||||
sprintf(tbuf, "%02d", rounds);
|
||||
sprintf(salt, "$2a$%s$%s$", tbuf, saltpara);
|
||||
return salt;
|
||||
}
|
||||
printf("Invalid Salt, please use up to 22 random alphanumeric characters\n");
|
||||
exit(1);
|
||||
|
||||
/* NOT REACHED */
|
||||
return NULL;
|
||||
static char salt[21];
|
||||
if(length > 16)
|
||||
{
|
||||
printf("MD5 salt length too long\n");
|
||||
exit(0);
|
||||
}
|
||||
salt[0] = '$';
|
||||
salt[1] = '1';
|
||||
salt[2] = '$';
|
||||
generate_random_salt(&salt[3], length);
|
||||
salt[length + 3] = '$';
|
||||
salt[length + 4] = '\0';
|
||||
return salt;
|
||||
}
|
||||
|
||||
char *make_bf_salt(int rounds, int length)
|
||||
char *
|
||||
make_sha256_salt_para(char *saltpara)
|
||||
{
|
||||
static char salt[31];
|
||||
char tbuf[3];
|
||||
if (length > 22)
|
||||
{
|
||||
printf("BlowFish salt length too long\n");
|
||||
exit(0);
|
||||
}
|
||||
sprintf(tbuf, "%02d", rounds);
|
||||
sprintf(salt, "$2a$%s$", tbuf);
|
||||
generate_random_salt(&salt[7], length);
|
||||
salt[length+7] = '$';
|
||||
salt[length+8] = '\0';
|
||||
return salt;
|
||||
static char salt[21];
|
||||
if(saltpara && (strlen(saltpara) <= 16))
|
||||
{
|
||||
/* sprintf used because of portability requirements, the length
|
||||
** is checked above, so it should not be too much of a concern
|
||||
*/
|
||||
sprintf(salt, "$5$%s$", saltpara);
|
||||
return salt;
|
||||
}
|
||||
printf("Invalid Salt, please use up to 16 random alphanumeric characters\n");
|
||||
exit(1);
|
||||
|
||||
/* NOT REACHED */
|
||||
return NULL;
|
||||
}
|
||||
|
||||
char *generate_poor_salt(char *salt, int length)
|
||||
char *
|
||||
make_sha512_salt_para(char *saltpara)
|
||||
{
|
||||
int i;
|
||||
srandom(time(NULL));
|
||||
for(i = 0; i < length; i++)
|
||||
{
|
||||
salt[i] = saltChars[random() % 64];
|
||||
}
|
||||
return(salt);
|
||||
static char salt[21];
|
||||
if(saltpara && (strlen(saltpara) <= 16))
|
||||
{
|
||||
/* sprintf used because of portability requirements, the length
|
||||
** is checked above, so it should not be too much of a concern
|
||||
*/
|
||||
sprintf(salt, "$6$%s$", saltpara);
|
||||
return salt;
|
||||
}
|
||||
printf("Invalid Salt, please use up to 16 random alphanumeric characters\n");
|
||||
exit(1);
|
||||
|
||||
/* NOT REACHED */
|
||||
return NULL;
|
||||
}
|
||||
|
||||
char *generate_random_salt(char *salt, int length)
|
||||
|
||||
char *
|
||||
make_sha256_salt(int length)
|
||||
{
|
||||
char *buf;
|
||||
int fd, i;
|
||||
if((fd = open("/dev/random", O_RDONLY)) < 0)
|
||||
{
|
||||
return(generate_poor_salt(salt, length));
|
||||
}
|
||||
buf = calloc(1, length);
|
||||
if(read(fd, buf, length) != length)
|
||||
{
|
||||
free(buf);
|
||||
return(generate_poor_salt(salt, length));
|
||||
}
|
||||
|
||||
for(i = 0; i < length; i++)
|
||||
{
|
||||
salt[i] = saltChars[abs(buf[i]) % 64];
|
||||
}
|
||||
free(buf);
|
||||
return(salt);
|
||||
static char salt[21];
|
||||
if(length > 16)
|
||||
{
|
||||
printf("SHA256 salt length too long\n");
|
||||
exit(0);
|
||||
}
|
||||
salt[0] = '$';
|
||||
salt[1] = '5';
|
||||
salt[2] = '$';
|
||||
generate_random_salt(&salt[3], length);
|
||||
salt[length + 3] = '$';
|
||||
salt[length + 4] = '\0';
|
||||
return salt;
|
||||
}
|
||||
|
||||
void full_usage()
|
||||
char *
|
||||
make_sha512_salt(int length)
|
||||
{
|
||||
printf("mkpasswd [-m|-d|-b|-e] [-l saltlength] [-r rounds] [-s salt] [-p plaintext]\n");
|
||||
printf("-m Generate an MD5 password\n");
|
||||
printf("-d Generate a DES password\n");
|
||||
printf("-b Generate a BlowFish password\n");
|
||||
printf("-e Generate an Extended DES password\n");
|
||||
printf("-l Specify a length for a random MD5 or BlowFish salt\n");
|
||||
printf("-r Specify a number of rounds for a BlowFish or Extended DES password\n");
|
||||
printf(" BlowFish: default 4, no more than 6 recommended\n");
|
||||
printf(" Extended DES: default 25\n");
|
||||
printf("-s Specify a salt, 2 alphanumeric characters for DES, up to 16 for MD5,\n");
|
||||
printf(" up to 22 for BlowFish, and 4 for Extended DES\n");
|
||||
printf("-p Specify a plaintext password to use\n");
|
||||
printf("Example: mkpasswd -m -s 3dr -p test\n");
|
||||
exit(0);
|
||||
static char salt[21];
|
||||
if(length > 16)
|
||||
{
|
||||
printf("SHA512 salt length too long\n");
|
||||
exit(0);
|
||||
}
|
||||
salt[0] = '$';
|
||||
salt[1] = '6';
|
||||
salt[2] = '$';
|
||||
generate_random_salt(&salt[3], length);
|
||||
salt[length + 3] = '$';
|
||||
salt[length + 4] = '\0';
|
||||
return salt;
|
||||
}
|
||||
|
||||
void brief_usage()
|
||||
char *
|
||||
make_bf_salt_para(int rounds, char *saltpara)
|
||||
{
|
||||
printf("mkpasswd - password hash generator\n");
|
||||
printf("Standard DES: mkpasswd [-d] [-s salt] [-p plaintext]\n");
|
||||
printf("Extended DES: mkpasswd -e [-r rounds] [-s salt] [-p plaintext]\n");
|
||||
printf(" MD5: mkpasswd -m [-l saltlength] [-s salt] [-p plaintext]\n");
|
||||
printf(" BlowFish: mkpasswd -b [-r rounds] [-l saltlength] [-s salt]\n");
|
||||
printf(" [-p plaintext]\n");
|
||||
printf("Use -h for full usage\n");
|
||||
exit(0);
|
||||
static char salt[31];
|
||||
char tbuf[3];
|
||||
if(saltpara && (strlen(saltpara) <= 22))
|
||||
{
|
||||
/* sprintf used because of portability requirements, the length
|
||||
** is checked above, so it should not be too much of a concern
|
||||
*/
|
||||
sprintf(tbuf, "%02d", rounds);
|
||||
sprintf(salt, "$2a$%s$%s$", tbuf, saltpara);
|
||||
return salt;
|
||||
}
|
||||
printf("Invalid Salt, please use up to 22 random alphanumeric characters\n");
|
||||
exit(1);
|
||||
|
||||
/* NOT REACHED */
|
||||
return NULL;
|
||||
}
|
||||
|
||||
char *
|
||||
make_bf_salt(int rounds, int length)
|
||||
{
|
||||
static char salt[31];
|
||||
char tbuf[3];
|
||||
if(length > 22)
|
||||
{
|
||||
printf("BlowFish salt length too long\n");
|
||||
exit(0);
|
||||
}
|
||||
sprintf(tbuf, "%02d", rounds);
|
||||
sprintf(salt, "$2a$%s$", tbuf);
|
||||
generate_random_salt(&salt[7], length);
|
||||
salt[length + 7] = '$';
|
||||
salt[length + 8] = '\0';
|
||||
return salt;
|
||||
}
|
||||
|
||||
char *
|
||||
generate_poor_salt(char *salt, int length)
|
||||
{
|
||||
int i;
|
||||
srand(time(NULL));
|
||||
for(i = 0; i < length; i++)
|
||||
{
|
||||
salt[i] = saltChars[rand() % 64];
|
||||
}
|
||||
return (salt);
|
||||
}
|
||||
|
||||
char *
|
||||
generate_random_salt(char *salt, int length)
|
||||
{
|
||||
char *buf;
|
||||
int fd, i;
|
||||
if((fd = open("/dev/random", O_RDONLY)) < 0)
|
||||
{
|
||||
return (generate_poor_salt(salt, length));
|
||||
}
|
||||
buf = calloc(1, length);
|
||||
if(read(fd, buf, length) != length)
|
||||
{
|
||||
free(buf);
|
||||
return (generate_poor_salt(salt, length));
|
||||
}
|
||||
|
||||
for(i = 0; i < length; i++)
|
||||
{
|
||||
salt[i] = saltChars[abs(buf[i]) % 64];
|
||||
}
|
||||
free(buf);
|
||||
return (salt);
|
||||
}
|
||||
|
||||
void
|
||||
full_usage()
|
||||
{
|
||||
printf("mkpasswd [-m|-d|-b|-e] [-l saltlength] [-r rounds] [-s salt] [-p plaintext]\n");
|
||||
printf("-x Generate a SHA256 password\n");
|
||||
printf("-y Generate a SHA512 password\n");
|
||||
printf("-m Generate an MD5 password\n");
|
||||
printf("-d Generate a DES password\n");
|
||||
printf("-b Generate a BlowFish password\n");
|
||||
printf("-e Generate an Extended DES password\n");
|
||||
printf("-l Specify a length for a random MD5 or BlowFish salt\n");
|
||||
printf("-r Specify a number of rounds for a BlowFish or Extended DES password\n");
|
||||
printf(" BlowFish: default 4, no more than 6 recommended\n");
|
||||
printf(" Extended DES: default 25\n");
|
||||
printf("-s Specify a salt, 2 alphanumeric characters for DES, up to 16 for MD5,\n");
|
||||
printf(" up to 22 for BlowFish, and 4 for Extended DES\n");
|
||||
printf("-p Specify a plaintext password to use\n");
|
||||
printf("Example: mkpasswd -m -s 3dr -p test\n");
|
||||
exit(0);
|
||||
}
|
||||
|
||||
void
|
||||
brief_usage()
|
||||
{
|
||||
printf("mkpasswd - password hash generator\n");
|
||||
printf("Standard DES: mkpasswd [-d] [-s salt] [-p plaintext]\n");
|
||||
printf("Extended DES: mkpasswd -e [-r rounds] [-s salt] [-p plaintext]\n");
|
||||
printf(" MD5: mkpasswd -m [-l saltlength] [-s salt] [-p plaintext]\n");
|
||||
printf(" BlowFish: mkpasswd -b [-r rounds] [-l saltlength] [-s salt]\n");
|
||||
printf(" [-p plaintext]\n");
|
||||
printf("Use -h for full usage\n");
|
||||
exit(0);
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue