1 1.10 dholland /* $NetBSD: skey.h,v 1.10 2016/01/22 23:25:51 dholland Exp $ */ 2 1.3 thorpej 3 1.1 deraadt /* 4 1.1 deraadt * S/KEY v1.1b (skey.h) 5 1.1 deraadt * 6 1.1 deraadt * Authors: 7 1.1 deraadt * Neil M. Haller <nmh (at) thumper.bellcore.com> 8 1.1 deraadt * Philip R. Karn <karn (at) chicago.qualcomm.com> 9 1.1 deraadt * John S. Walden <jsw (at) thumper.bellcore.com> 10 1.1 deraadt * 11 1.1 deraadt * Modifications: 12 1.1 deraadt * Scott Chasin <chasin (at) crimelab.com> 13 1.7 mjl * Todd C. Miller <Todd.Miller (at) courtesan.com> 14 1.1 deraadt * 15 1.1 deraadt * Main client header 16 1.1 deraadt */ 17 1.1 deraadt 18 1.10 dholland #include <stdio.h> 19 1.10 dholland 20 1.1 deraadt /* Server-side data structure for reading keys file during login */ 21 1.9 perry struct skey { 22 1.1 deraadt FILE *keyfile; 23 1.1 deraadt char buf[256]; 24 1.1 deraadt char *logname; 25 1.1 deraadt int n; 26 1.1 deraadt char *seed; 27 1.1 deraadt char *val; 28 1.1 deraadt long recstart; /* needed so reread of buffer is efficient */ 29 1.1 deraadt }; 30 1.1 deraadt 31 1.1 deraadt /* Client-side structure for scanning data stream for challenge */ 32 1.9 perry struct mc { 33 1.1 deraadt char buf[256]; 34 1.1 deraadt int skip; 35 1.1 deraadt int cnt; 36 1.1 deraadt }; 37 1.1 deraadt 38 1.7 mjl /* Maximum sequence number we allow */ 39 1.7 mjl #ifndef SKEY_MAX_SEQ 40 1.9 perry #define SKEY_MAX_SEQ 10000 41 1.7 mjl #endif 42 1.7 mjl 43 1.7 mjl /* Minimum secret password length (rfc2289) */ 44 1.7 mjl #ifndef SKEY_MIN_PW_LEN 45 1.9 perry #define SKEY_MIN_PW_LEN 10 46 1.7 mjl #endif 47 1.7 mjl 48 1.7 mjl /* Max secret password length (rfc2289 says 63 but allows more) */ 49 1.7 mjl #ifndef SKEY_MAX_PW_LEN 50 1.9 perry #define SKEY_MAX_PW_LEN 255 51 1.7 mjl #endif 52 1.7 mjl 53 1.7 mjl /* Max length of an S/Key seed (rfc2289) */ 54 1.7 mjl #ifndef SKEY_MAX_SEED_LEN 55 1.9 perry #define SKEY_MAX_SEED_LEN 16 56 1.7 mjl #endif 57 1.7 mjl 58 1.7 mjl /* Max length of S/Key challenge (otp-???? 9999 seed) */ 59 1.7 mjl #ifndef SKEY_MAX_CHALLENGE 60 1.9 perry #define SKEY_MAX_CHALLENGE (11 + SKEY_MAX_HASHNAME_LEN + SKEY_MAX_SEED_LEN) 61 1.7 mjl #endif 62 1.7 mjl 63 1.7 mjl /* Max length of hash algorithm name (md4/md5/sha1/rmd160) */ 64 1.9 perry #define SKEY_MAX_HASHNAME_LEN 6 65 1.7 mjl 66 1.7 mjl /* Size of a binary key (not NULL-terminated) */ 67 1.9 perry #define SKEY_BINKEY_SIZE 8 68 1.7 mjl 69 1.7 mjl /* Location of random file for bogus challenges */ 70 1.9 perry #define _SKEY_RAND_FILE_PATH_ "/var/db/host.random" 71 1.2 pk 72 1.7 mjl /* Prototypes */ 73 1.9 perry void f(char *); 74 1.9 perry int keycrunch(char *, const char *, const char *); 75 1.9 perry char *btoe(char *, const char *); 76 1.9 perry char *put8(char *, const char *); 77 1.9 perry int etob(char *, const char *); 78 1.9 perry void rip(char *); 79 1.9 perry int skeychallenge(struct skey *, const char *, char *, size_t); 80 1.9 perry int skeylookup(struct skey *, const char *); 81 1.9 perry int skeyverify(struct skey *, char *); 82 1.9 perry void sevenbit(char *); 83 1.9 perry void backspace(char *); 84 1.9 perry const char *skipspace(const char *); 85 1.9 perry char *readpass(char *, int); 86 1.9 perry char *readskey(char *, int); 87 1.9 perry int skey_authenticate(const char *); 88 1.9 perry int skey_passcheck(const char *, char *); 89 1.9 perry const char *skey_keyinfo(const char *); 90 1.9 perry int skey_haskey(const char *); 91 1.9 perry int getskeyprompt(struct skey *, char *, char *); 92 1.9 perry int atob8(char *, const char *); 93 1.9 perry int btoa8(char *, const char *); 94 1.9 perry int htoi(int); 95 1.9 perry const char *skey_get_algorithm(void); 96 1.9 perry const char *skey_set_algorithm(const char *); 97 1.9 perry int skeygetnext(struct skey *); 98 1.9 perry int skeyzero(struct skey *, char *); 99
Indexes created Tue Sep 23 22:09:46 GMT 2025