xref: /onnv-gate/usr/src/lib/pam_modules/authtok_check/packer.h (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
3*0Sstevel@tonic-gate  * Use is subject to license terms.
4*0Sstevel@tonic-gate  */
5*0Sstevel@tonic-gate 
6*0Sstevel@tonic-gate #ifndef _PACKER_H
7*0Sstevel@tonic-gate #define	_PACKER_H
8*0Sstevel@tonic-gate 
9*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
10*0Sstevel@tonic-gate 
11*0Sstevel@tonic-gate #ifdef __cplusplus
12*0Sstevel@tonic-gate extern "C" {
13*0Sstevel@tonic-gate #endif
14*0Sstevel@tonic-gate 
15*0Sstevel@tonic-gate /*
16*0Sstevel@tonic-gate  * This program is copyright Alec Muffett 1993. The author disclaims all
17*0Sstevel@tonic-gate  * responsibility or liability with respect to it's usage or its effect
18*0Sstevel@tonic-gate  * upon hardware or computer systems, and maintains copyright as set out
19*0Sstevel@tonic-gate  * in the "LICENCE" document which accompanies distributions of Crack v4.0
20*0Sstevel@tonic-gate  * and upwards.
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate 
23*0Sstevel@tonic-gate #include <stdio.h>
24*0Sstevel@tonic-gate #include <ctype.h>
25*0Sstevel@tonic-gate #include <string.h>
26*0Sstevel@tonic-gate #include <unistd.h>
27*0Sstevel@tonic-gate #include <errno.h>
28*0Sstevel@tonic-gate #include <stdlib.h>
29*0Sstevel@tonic-gate #include <limits.h>
30*0Sstevel@tonic-gate #include <sys/types.h>
31*0Sstevel@tonic-gate #include <sys/wait.h>
32*0Sstevel@tonic-gate #include <sys/stat.h>
33*0Sstevel@tonic-gate #include <fcntl.h>
34*0Sstevel@tonic-gate #include <synch.h>
35*0Sstevel@tonic-gate #include <syslog.h>
36*0Sstevel@tonic-gate 
37*0Sstevel@tonic-gate #define	PWADMIN		"/etc/default/passwd"
38*0Sstevel@tonic-gate #define	TRUNCSTRINGSIZE	(PATH_MAX/4)
39*0Sstevel@tonic-gate #define	STRINGSIZE	PATH_MAX
40*0Sstevel@tonic-gate 
41*0Sstevel@tonic-gate typedef unsigned char int8;
42*0Sstevel@tonic-gate typedef unsigned short int int16;
43*0Sstevel@tonic-gate typedef unsigned long int int32;
44*0Sstevel@tonic-gate #ifndef NUMWORDS
45*0Sstevel@tonic-gate #define	NUMWORDS 	16
46*0Sstevel@tonic-gate #endif
47*0Sstevel@tonic-gate #define	MAXWORDLEN	32
48*0Sstevel@tonic-gate #define	MAXBLOCKLEN 	(MAXWORDLEN * NUMWORDS)
49*0Sstevel@tonic-gate 
50*0Sstevel@tonic-gate struct pi_header
51*0Sstevel@tonic-gate {
52*0Sstevel@tonic-gate 	int32 pih_magic;
53*0Sstevel@tonic-gate 	int32 pih_numwords;
54*0Sstevel@tonic-gate 	int16 pih_blocklen;
55*0Sstevel@tonic-gate 	int16 pih_pad;
56*0Sstevel@tonic-gate };
57*0Sstevel@tonic-gate 
58*0Sstevel@tonic-gate typedef struct
59*0Sstevel@tonic-gate {
60*0Sstevel@tonic-gate 	FILE *ifp;
61*0Sstevel@tonic-gate 	FILE *dfp;
62*0Sstevel@tonic-gate 	FILE *wfp;
63*0Sstevel@tonic-gate 
64*0Sstevel@tonic-gate 	int32 flags;
65*0Sstevel@tonic-gate #define	PFOR_WRITE	0x0001
66*0Sstevel@tonic-gate #define	PFOR_FLUSH	0x0002
67*0Sstevel@tonic-gate #define	PFOR_USEHWMS	0x0004
68*0Sstevel@tonic-gate 
69*0Sstevel@tonic-gate 	int32 hwms[256];
70*0Sstevel@tonic-gate 
71*0Sstevel@tonic-gate 	struct pi_header header;
72*0Sstevel@tonic-gate 
73*0Sstevel@tonic-gate 	int count;
74*0Sstevel@tonic-gate 	char data[NUMWORDS][MAXWORDLEN];
75*0Sstevel@tonic-gate } PWDICT;
76*0Sstevel@tonic-gate 
77*0Sstevel@tonic-gate #define	PW_WORDS(x) ((x)->header.pih_numwords)
78*0Sstevel@tonic-gate #define	PIH_MAGIC 0x70775631
79*0Sstevel@tonic-gate 
80*0Sstevel@tonic-gate void PWRemove(char *);
81*0Sstevel@tonic-gate PWDICT *PWOpen(char *, char *);
82*0Sstevel@tonic-gate char *Mangle(char *, char *);
83*0Sstevel@tonic-gate 
84*0Sstevel@tonic-gate #define	CRACK_TOLOWER(a) 	(isupper(a)?tolower(a):(a))
85*0Sstevel@tonic-gate #define	CRACK_TOUPPER(a) 	(islower(a)?toupper(a):(a))
86*0Sstevel@tonic-gate #define	STRCMP(a, b)		strcmp((a), (b))
87*0Sstevel@tonic-gate 
88*0Sstevel@tonic-gate char	*Trim(register char *);
89*0Sstevel@tonic-gate int32	FindPW(PWDICT *, char *);
90*0Sstevel@tonic-gate int	PWClose(PWDICT *);
91*0Sstevel@tonic-gate int	PutPW(PWDICT *, char *);
92*0Sstevel@tonic-gate char	Chop(register char *);
93*0Sstevel@tonic-gate char	Chomp(register char *);
94*0Sstevel@tonic-gate char	*GetPW(PWDICT *, int32);
95*0Sstevel@tonic-gate 
96*0Sstevel@tonic-gate #define	DATABASE_OPEN_FAIL		-1
97*0Sstevel@tonic-gate #define	DICTIONARY_WORD			2
98*0Sstevel@tonic-gate #define	REVERSE_DICTIONARY_WORD		3
99*0Sstevel@tonic-gate 
100*0Sstevel@tonic-gate 
101*0Sstevel@tonic-gate /* Dictionary database dir and prefix */
102*0Sstevel@tonic-gate 
103*0Sstevel@tonic-gate #define	CRACK_DIR		"/var/passwd"
104*0Sstevel@tonic-gate #define	CRACK_DICTPATH		"/var/passwd/pw_dict"
105*0Sstevel@tonic-gate #define	DICT_DATABASE_HWM	"pw_dict.hwm"
106*0Sstevel@tonic-gate #define	DICT_DATABASE_PWD	"pw_dict.pwd"
107*0Sstevel@tonic-gate #define	DICT_DATABASE_PWI	"pw_dict.pwi"
108*0Sstevel@tonic-gate 
109*0Sstevel@tonic-gate int packer(char *, char *);
110*0Sstevel@tonic-gate char *Reverse(char *);
111*0Sstevel@tonic-gate char *Lowercase(char *);
112*0Sstevel@tonic-gate int DictCheck(char *, char *);
113*0Sstevel@tonic-gate int make_dict_database(char *, char *);
114*0Sstevel@tonic-gate int build_dict_database(char *, char *);
115*0Sstevel@tonic-gate int lock_db(char *);
116*0Sstevel@tonic-gate void unlock_db();
117*0Sstevel@tonic-gate 
118*0Sstevel@tonic-gate /* Return values for dictionary database checks */
119*0Sstevel@tonic-gate 
120*0Sstevel@tonic-gate #define	NO_DICTDATABASE		1
121*0Sstevel@tonic-gate #define	UPDATE_DICTDATABASE	2
122*0Sstevel@tonic-gate #define	DICTFILE_ERR		-1
123*0Sstevel@tonic-gate #define	DICTPATH_ERR		-2
124*0Sstevel@tonic-gate #define	DICTDATABASE_BUILD_ERR	-3
125*0Sstevel@tonic-gate 
126*0Sstevel@tonic-gate #ifdef __cplusplus
127*0Sstevel@tonic-gate }
128*0Sstevel@tonic-gate #endif
129*0Sstevel@tonic-gate 
130*0Sstevel@tonic-gate #endif /* _PACKER_H */
131