afppasswd.c File Reference

AFP user password utility. More...

#include <arpa/inet.h>
#include <ctype.h>
#include <errno.h>
#include <fcntl.h>
#include <pwd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/param.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include <gcrypt.h>
#include <atalk/compat.h>
#include <crack.h>

Macros
#define	DES_KEY_SZ   8
#define	OPT_ISROOT   (1 << 0)
#define	OPT_CREATE   (1 << 1)
#define	OPT_FORCE   (1 << 2)
#define	OPT_ADDUSER   (1 << 3)
#define	OPT_NOCRACK   (1 << 4)
#define	PASSWD_ILLEGAL   '*'
#define	FORMAT   ":****************:****************:********\n"
#define	FORMAT_LEN   44
#define	OPTIONS   "cafnu:p:w:"
#define	UID_START   100
#define	HEXPASSWDLEN   16
#define	PASSWDLEN   8
#define	unhex(x)

Functions
static void	convert_passwd (char *buf, char *newpwd, const int keyfd)
static int	update_passwd (const char *path, const char *name, int flags, const char *pass)
static int	create_file (const char *path, uid_t minuid)
int	main (int argc, char **argv)

Variables
static char	buf [MAXPATHLEN+1]

Detailed Description

AFP user password utility.

format of the password file:

name:****************:****************:********
     password         last login date  failed usage count

***'s are illegal. they're just place holders for hex values. hex values that represent actual numbers are in network byte order.

last login date is currently a 4-byte number representing seconds since 1970 (UTC). there's enough space to extend it to 8 bytes.

the last two fields aren't currently used by the randnum uams.

root syntax: afppasswd [-c] [-a] [-p path] [-f] [username]
user syntax: afppasswd

Macro Definition Documentation

DES_KEY_SZ

#define DES_KEY_SZ   8

FORMAT

#define FORMAT   ":****************:****************:********\n"

FORMAT_LEN

#define FORMAT_LEN   44

HEXPASSWDLEN

#define HEXPASSWDLEN   16

OPT_ADDUSER

#define OPT_ADDUSER   (1 << 3)

OPT_CREATE

#define OPT_CREATE   (1 << 1)

OPT_FORCE

#define OPT_FORCE   (1 << 2)

OPT_ISROOT

#define OPT_ISROOT   (1 << 0)

OPT_NOCRACK

#define OPT_NOCRACK   (1 << 4)

OPTIONS

#define OPTIONS   "cafnu:p:w:"

PASSWD_ILLEGAL

#define PASSWD_ILLEGAL   '*'

PASSWDLEN

#define PASSWDLEN   8

UID_START

#define UID_START   100

unhex

#define unhex

(

x

)

Value:

(isdigit(x) ? (x) - '0' : toupper(x) + 10 - 'A')

Function Documentation

convert_passwd()

void convert_passwd ( char * buf, char * newpwd, const int keyfd )

static

create_file()

int create_file ( const char * path, uid_t minuid )

static

main()

int main	(	int	argc,
		char **	argv )

update_passwd()

int update_passwd ( const char * path, const char * name, int flags, const char * pass )

static

Variable Documentation

buf

char buf[MAXPATHLEN+1]

static