diff options
Diffstat (limited to 'eBones/lib/libkrb/read_service_key.c')
-rw-r--r-- | eBones/lib/libkrb/read_service_key.c | 124 |
1 files changed, 0 insertions, 124 deletions
diff --git a/eBones/lib/libkrb/read_service_key.c b/eBones/lib/libkrb/read_service_key.c deleted file mode 100644 index 6064292d96cf..000000000000 --- a/eBones/lib/libkrb/read_service_key.c +++ /dev/null @@ -1,124 +0,0 @@ -/* - * Copyright 1985, 1986, 1987, 1988 by the Massachusetts Institute - * of Technology. - * For copying and distribution information, please see the file - * <Copyright.MIT>. - * - * from: _service_key.c,v 4.10 90/03/10 19:06:56 jon Exp $ - * $Id: read_service_key.c,v 1.3 1995/07/18 16:39:36 mark Exp $ - */ - -#if 0 -#ifndef lint -static char *rcsid = -"$Id: read_service_key.c,v 1.3 1995/07/18 16:39:36 mark Exp $"; -#endif /* lint */ -#endif - -#include <krb.h> -#include <stdio.h> -#include <unistd.h> -#include <strings.h> - -/* - * The private keys for servers on a given host are stored in a - * "srvtab" file (typically "/etc/srvtab"). This routine extracts - * a given server's key from the file. - * - * read_service_key() takes the server's name ("service"), "instance", - * and "realm" and a key version number "kvno", and looks in the given - * "file" for the corresponding entry, and if found, returns the entry's - * key field in "key". - * - * If "instance" contains the string "*", then it will match - * any instance, and the chosen instance will be copied to that - * string. For this reason it is important that the there is enough - * space beyond the "*" to receive the entry. - * - * If "kvno" is 0, it is treated as a wild card and the first - * matching entry regardless of the "vno" field is returned. - * - * This routine returns KSUCCESS on success, otherwise KFAILURE. - * - * The format of each "srvtab" entry is as follows: - * - * Size Variable Field in file - * ---- -------- ------------- - * string serv server name - * string inst server instance - * string realm server realm - * 1 byte vno server key version # - * 8 bytes key server's key - * ... ... ... - */ - - -/*ARGSUSED */ -int -read_service_key(service,instance,realm,kvno,file,key) - char *service; /* Service Name */ - char *instance; /* Instance name or "*" */ - char *realm; /* Realm */ - int kvno; /* Key version number */ - char *file; /* Filename */ - char *key; /* Pointer to key to be filled in */ -{ - char serv[SNAME_SZ]; - char inst[INST_SZ]; - char rlm[REALM_SZ]; - unsigned char vno; /* Key version number */ - int wcard; - - int stab, open(); - - if ((stab = open(file, 0, 0)) < NULL) - return(KFAILURE); - - wcard = (instance[0] == '*') && (instance[1] == '\0'); - - while(getst(stab,serv,SNAME_SZ) > 0) { /* Read sname */ - (void) getst(stab,inst,INST_SZ); /* Instance */ - (void) getst(stab,rlm,REALM_SZ); /* Realm */ - /* Vers number */ - if (read(stab,(char *)&vno,1) != 1) { - close(stab); - return(KFAILURE); - } - /* Key */ - if (read(stab,key,8) != 8) { - close(stab); - return(KFAILURE); - } - /* Is this the right service */ - if (strcmp(serv,service)) - continue; - /* How about instance */ - if (!wcard && strcmp(inst,instance)) - continue; - if (wcard) - (void) strncpy(instance,inst,INST_SZ); - /* Is this the right realm */ -#ifdef ATHENA_COMPAT - /* XXX For backward compatibility: if keyfile says "Athena" - and caller wants "ATHENA.MIT.EDU", call it a match */ - if (strcmp(rlm,realm) && - (strcmp(rlm,"Athena") || - strcmp(realm,"ATHENA.MIT.EDU"))) - continue; -#else /* ! ATHENA_COMPAT */ - if (strcmp(rlm,realm)) - continue; -#endif /* ATHENA_COMPAT */ - - /* How about the key version number */ - if (kvno && kvno != (int) vno) - continue; - - (void) close(stab); - return(KSUCCESS); - } - - /* Can't find the requested service */ - (void) close(stab); - return(KFAILURE); -} |