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105186eeee
(Including all changes for FreeBSD - importing the original eBones distribution would be too complex at this stage, since I don't have access to Piero's CVS.) (If you want to include eBones in your system, don't forget to include MAKE_EBONES in /etc/make.conf.) (This stuff is now also suppable from braae.ru.ac.za.) Bones originally from MIT SIPB. Original port to FreeBSD 1.x by Piero Serini. Moved to FreeBSD 2.0 by Doug Rabson and Geoff Rehmet. Nice bug fixes from Doug Rabson.
152 lines
3.4 KiB
Groff
152 lines
3.4 KiB
Groff
.\" from: tf_util.3,v 4.2 89/04/25 17:17:11 jtkohl Exp $
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.\" $Id: tf_util.3,v 1.2 1994/07/19 19:28:05 g89r4222 Exp $
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.\" Copyright 1989 by the Massachusetts Institute of Technology.
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.\"
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.\" For copying and distribution information,
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.\" please see the file <Copyright.MIT>.
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.\"
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.TH TF_UTIL 3 "Kerberos Version 4.0" "MIT Project Athena"
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.SH NAME
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tf_init, tf_get_pname, tf_get_pinst, tf_get_cred, tf_close \
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\- Routines for manipulating a Kerberos ticket file
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.SH SYNOPSIS
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.nf
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.nj
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.ft B
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#include <krb.h>
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.PP
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.ft B
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extern char *krb_err_txt[];
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.PP
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.ft B
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tf_init(tf_name, rw)
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char *tf_name;
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int rw;
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.PP
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.ft B
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tf_get_pname(pname)
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char *pname;
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.PP
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.ft B
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tf_get_pinst(pinst)
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char *pinst;
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.PP
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.ft B
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tf_get_cred(c)
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CREDENTIALS *c;
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.PP
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.ft B
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tf_close()
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.PP
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.fi
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.SH DESCRIPTION
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This group of routines are provided to manipulate the Kerberos tickets
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file. A ticket file has the following format:
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.nf
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.in +4
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.sp
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principal's name (null-terminated string)
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principal's instance (null-terminated string)
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CREDENTIAL_1
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CREDENTIAL_2
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...
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CREDENTIAL_n
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EOF
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.sp
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.in -4
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.LP
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Where "CREDENTIAL_x" consists of the following fixed-length
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fields from the CREDENTIALS structure (defined in <krb.h>):
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.nf
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.sp
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.in +4
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char service[ANAME_SZ]
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char instance[INST_SZ]
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char realm[REALM_SZ]
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des_cblock session
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int lifetime
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int kvno
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KTEXT_ST ticket_st
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long issue_date
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.in -4
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.sp
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.fi
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.PP
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.I tf_init
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must be called before the other ticket file
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routines.
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It takes the name of the ticket file to use,
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and a read/write flag as arguments.
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It tries to open the ticket file, checks the mode and if
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everything is okay, locks the file. If it's opened for
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reading, the lock is shared. If it's opened for writing,
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the lock is exclusive.
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KSUCCESS is returned if all went well, otherwise one of the
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following:
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.nf
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.sp
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NO_TKT_FIL - file wasn't there
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TKT_FIL_ACC - file was in wrong mode, etc.
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TKT_FIL_LCK - couldn't lock the file, even after a retry
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.sp
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.fi
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.PP
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The
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.I tf_get_pname
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reads the principal's name from a ticket file.
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It should only be called after tf_init has been called. The
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principal's name is filled into the
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.I pname
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parameter. If all goes
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well, KSUCCESS is returned.
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If tf_init wasn't called, TKT_FIL_INI
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is returned.
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If the principal's name was null, or EOF was encountered, or the
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name was longer than ANAME_SZ, TKT_FIL_FMT is returned.
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.PP
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The
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.I tf_get_pinst
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reads the principal's instance from a ticket file.
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It should only be called after tf_init and tf_get_pname
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have been called.
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The principal's instance is filled into the
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.I pinst
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parameter.
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If all goes
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well, KSUCCESS is returned.
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If tf_init wasn't called, TKT_FIL_INI
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is returned.
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If EOF was encountered, or the
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name was longer than INST_SZ, TKT_FIL_FMT is returned.
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Note that, unlike the principal name, the instance name may be null.
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.PP
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The
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.I tf_get_cred
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routine reads a CREDENTIALS record from a ticket file and
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fills in the given structure.
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It should only be called after
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tf_init, tf_get_pname, and tf_get_pinst have been called.
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If all goes well, KSUCCESS is returned. Possible error codes
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are:
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.nf
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.sp
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TKT_FIL_INI - tf_init wasn't called first
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TKT_FIL_FMT - bad format
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EOF - end of file encountered
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.sp
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.fi
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.PP
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.I tf_close
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closes the ticket file and releases the lock on it.
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.SH "SEE ALSO"
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krb(3)
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.SH DIAGNOSTICS
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.SH BUGS
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The ticket file routines have to be called in a certain order.
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.SH AUTHORS
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Jennifer Steiner, MIT Project Athena
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.br
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Bill Bryant, MIT Project Athena
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.SH RESTRICTIONS
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Copyright 1987 Massachusetts Institute of Technology
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