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134 lines
4.0 KiB
C
134 lines
4.0 KiB
C
/* opie.h: Data structures and values for the OPIE authentication
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system that a program might need.
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%%% portions-copyright-cmetz
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Portions of this software are Copyright 1996 by Craig Metz, All Rights
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Reserved. The Inner Net License Version 2 applies to these portions of
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the software.
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You should have received a copy of the license with this software. If
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you didn't get a copy, you may request one from <license@inner.net>.
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Portions of this software are Copyright 1995 by Randall Atkinson and Dan
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McDonald, All Rights Reserved. All Rights under this copyright are assigned
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to the U.S. Naval Research Laboratory (NRL). The NRL Copyright Notice and
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License Agreement applies to this software.
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History:
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Modified by cmetz for OPIE 2.3. Renamed PTR to VOIDPTR. Added
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re-init key and extension file fields to struct opie. Added
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opie_ prefix on struct opie members. Added opie_flags field
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and definitions. Added more prototypes. Changed opiehash()
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prototype.
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Modified by cmetz for OPIE 2.22. Define __P correctly if this file
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is included in a third-party program.
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Modified by cmetz for OPIE 2.2. Re-did prototypes. Added FUNCTION
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definition et al. Multiple-include protection. Added struct
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utsname fake. Got rid of gethostname() cruft. Moved UINT4
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here. Provide for *seek whence values. Move MDx context here
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and unify. Re-did prototypes.
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Modified at NRL for OPIE 2.0.
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Written at Bellcore for the S/Key Version 1 software distribution
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(skey.h).
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*/
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#ifndef _OPIE_H
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#define _OPIE_H
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struct opie {
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int opie_flags;
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char opie_buf[256];
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char *opie_principal;
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int opie_n;
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char *opie_seed;
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char *opie_val;
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long opie_recstart;
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char opie_extbuf[129]; /* > OPIE_PRINCIPAL_MAX + 1 + 16 + 2 + 1 */
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long opie_extrecstart;
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char *opie_reinitkey;
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};
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#define __OPIE_FLAGS_RW 1
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#define __OPIE_FLAGS_READ 2
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/* Minimum length of a secret password */
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#define OPIE_SECRET_MIN 10
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/* Maximum length of a secret password */
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#define OPIE_SECRET_MAX 127
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/* Minimum length of a seed */
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#define OPIE_SEED_MIN 5
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/* Maximum length of a seed */
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#define OPIE_SEED_MAX 16
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/* Maximum length of a challenge (otp-md? 9999 seed) */
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#define OPIE_CHALLENGE_MAX (7+1+4+1+OPIE_SEED_MAX)
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/* Maximum length of a response that we allow */
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#define OPIE_RESPONSE_MAX (9+1+19+1+9+OPIE_SEED_MAX+1+19+1+19+1+19)
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/* Maximum length of a principal (read: user name) */
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#define OPIE_PRINCIPAL_MAX 32
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struct opiemdx_ctx {
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u_int32_t state[4];
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u_int32_t count[2];
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unsigned char buffer[64];
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};
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__BEGIN_DECLS
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int opieaccessfile __P((char *));
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int rdnets __P((long));
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int isaddr __P((register char *));
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int opiealways __P((char *));
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char *opieatob8 __P((char *,char *));
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void opiebackspace __P((char *));
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char *opiebtoa8 __P((char *,char *));
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char *opiebtoe __P((char *,char *));
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char *opiebtoh __P((char *,char *));
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int opieetob __P((char *,char *));
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int opiechallenge __P((struct opie *,char *,char *));
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int opiegenerator __P((char *,char *,char *));
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int opiegetsequence __P((struct opie *));
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void opiehash __P((void *, unsigned));
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int opiehtoi __P((register char));
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int opiekeycrunch __P((int, char *, char *, char *));
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int opielock __P((char *));
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int opielookup __P((struct opie *,char *));
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int opiepasscheck __P((char *));
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void opierandomchallenge __P((char *));
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char * opieskipspace __P((register char *));
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void opiestripcrlf __P((char *));
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int opieverify __P((struct opie *,char *));
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int opiepasswd __P((struct opie *, int, char *, int, char *, char *));
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char *opiereadpass __P((char *, int, int));
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int opielogin __P((char *line, char *name, char *host));
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__END_DECLS
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#if _OPIE /* internal glue support */
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#define VOIDPTR void *
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#define VOIDRET void
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#define NOARGS void
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#define FUNCTION(arglist, args) (args)
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#define AND ,
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#define FUNCTION_NOARGS ()
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#define UINT4 u_int32_t
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__BEGIN_DECLS
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struct utmp;
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int __opiegetutmpentry __P((char *, struct utmp *));
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int __opiereadrec __P((struct opie *));
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int __opiewriterec __P((struct opie *));
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#ifdef EOF
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FILE *__opieopen __P((char *, int, int));
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#endif
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__END_DECLS
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#endif /* _OPIE */
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#endif /* _OPIE_H */
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