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Diffstat (limited to 'eBones/krb/kname_parse.c')
| -rw-r--r-- | eBones/krb/kname_parse.c | 239 |
1 files changed, 0 insertions, 239 deletions
diff --git a/eBones/krb/kname_parse.c b/eBones/krb/kname_parse.c deleted file mode 100644 index da7ec93..0000000 --- a/eBones/krb/kname_parse.c +++ /dev/null @@ -1,239 +0,0 @@ -/* - * Copyright 1987, 1988 by the Massachusetts Institute of Technology. - * For copying and distribution information, please see the file - * <Copyright.MIT>. - * - * from: kname_parse.c,v 4.4 88/12/01 14:07:29 jtkohl Exp $ - * $Id: kname_parse.c,v 1.3 1995/07/18 16:38:54 mark Exp $ - */ - -#if 0 -#ifndef lint -static char rcsid[] = -"$Id: kname_parse.c,v 1.3 1995/07/18 16:38:54 mark Exp $"; -#endif /* lint */ -#endif - -#include <stdio.h> -#include <krb.h> -#include <strings.h> - -/* max size of full name */ -#define FULL_SZ (ANAME_SZ + INST_SZ + REALM_SZ) - -#define NAME 0 /* which field are we in? */ -#define INST 1 -#define REALM 2 - -extern char *krb_err_txt[]; - -/* - * This file contains four routines for handling Kerberos names. - * - * kname_parse() breaks a Kerberos name into its name, instance, - * and realm components. - * - * k_isname(), k_isinst(), and k_isrealm() check a given string to see if - * it's a syntactically legitimate respective part of a Kerberos name, - * returning 1 if it is, 0 if it isn't. - * - * Definition of "syntactically legitimate" names is according to - * the Project Athena Technical Plan Section E.2.1, page 7 "Specifying - * names", version dated 21 Dec 1987. - */ - -/* - * kname_parse() takes a Kerberos name "fullname" of the form: - * - * username[.instance][@realm] - * - * and returns the three components ("name", "instance", and "realm" - * in the example above) in the given arguments "np", "ip", and "rp". - * - * If successful, it returns KSUCCESS. If there was an error, - * KNAME_FMT is returned. - */ - -int -kname_parse(np, ip, rp, fullname) - char *np, *ip, *rp, *fullname; -{ - static char buf[FULL_SZ]; - char *rnext, *wnext; /* next char to read, write */ - register char c; - int backslash; - int field; - - backslash = 0; - rnext = buf; - wnext = np; - field = NAME; - - if (strlen(fullname) > FULL_SZ) - return KNAME_FMT; - (void) strcpy(buf, fullname); - - while ((c = *rnext++)) { - if (backslash) { - *wnext++ = c; - backslash = 0; - continue; - } - switch (c) { - case '\\': - backslash++; - break; - case '.': - switch (field) { - case NAME: - if (wnext == np) - return KNAME_FMT; - *wnext = '\0'; - field = INST; - wnext = ip; - break; - case INST: - return KNAME_FMT; - /* break; */ - case REALM: - *wnext++ = c; - break; - default: - fprintf(stderr, "unknown field value\n"); - exit(1); - } - break; - case '@': - switch (field) { - case NAME: - if (wnext == np) - return KNAME_FMT; - *ip = '\0'; - /* fall through */ - case INST: - *wnext = '\0'; - field = REALM; - wnext = rp; - break; - case REALM: - return KNAME_FMT; - default: - fprintf(stderr, "unknown field value\n"); - exit(1); - } - break; - default: - *wnext++ = c; - } - } - *wnext = '\0'; - if ((strlen(np) > ANAME_SZ - 1) || - (strlen(ip) > INST_SZ - 1) || - (strlen(rp) > REALM_SZ - 1)) - return KNAME_FMT; - return KSUCCESS; -} - -/* - * k_isname() returns 1 if the given name is a syntactically legitimate - * Kerberos name; returns 0 if it's not. - */ - -int -k_isname(s) - char *s; -{ - register char c; - int backslash = 0; - - if (!*s) - return 0; - if (strlen(s) > ANAME_SZ - 1) - return 0; - while((c = *s++)) { - if (backslash) { - backslash = 0; - continue; - } - switch(c) { - case '\\': - backslash = 1; - break; - case '.': - return 0; - /* break; */ - case '@': - return 0; - /* break; */ - } - } - return 1; -} - - -/* - * k_isinst() returns 1 if the given name is a syntactically legitimate - * Kerberos instance; returns 0 if it's not. - */ - -int -k_isinst(s) - char *s; -{ - register char c; - int backslash = 0; - - if (strlen(s) > INST_SZ - 1) - return 0; - while((c = *s++)) { - if (backslash) { - backslash = 0; - continue; - } - switch(c) { - case '\\': - backslash = 1; - break; - case '.': - return 0; - /* break; */ - case '@': - return 0; - /* break; */ - } - } - return 1; -} - -/* - * k_isrealm() returns 1 if the given name is a syntactically legitimate - * Kerberos realm; returns 0 if it's not. - */ - -int -k_isrealm(s) - char *s; -{ - register char c; - int backslash = 0; - - if (!*s) - return 0; - if (strlen(s) > REALM_SZ - 1) - return 0; - while((c = *s++)) { - if (backslash) { - backslash = 0; - continue; - } - switch(c) { - case '\\': - backslash = 1; - break; - case '@': - return 0; - /* break; */ - } - } - return 1; -} |
