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author | markm <markm@FreeBSD.org> | 1997-09-04 06:04:33 +0000 |
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committer | markm <markm@FreeBSD.org> | 1997-09-04 06:04:33 +0000 |
commit | a8a89cfaf983bc64f4b42f7c35209a5a36dd0fe8 (patch) | |
tree | 0b84977f19022a965f8c6145f067f951173f6290 /crypto/kerberosIV/lib/krb/get_in_tkt.c | |
download | FreeBSD-src-a8a89cfaf983bc64f4b42f7c35209a5a36dd0fe8.zip FreeBSD-src-a8a89cfaf983bc64f4b42f7c35209a5a36dd0fe8.tar.gz |
Initial import of KTH eBones. This has been cleaned up to only include
the "core" Kerberos functionality. The rest of the userland will get their
own changes later.
Diffstat (limited to 'crypto/kerberosIV/lib/krb/get_in_tkt.c')
-rw-r--r-- | crypto/kerberosIV/lib/krb/get_in_tkt.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/crypto/kerberosIV/lib/krb/get_in_tkt.c b/crypto/kerberosIV/lib/krb/get_in_tkt.c new file mode 100644 index 0000000..435632a --- /dev/null +++ b/crypto/kerberosIV/lib/krb/get_in_tkt.c @@ -0,0 +1,99 @@ +/* + Copyright (C) 1989 by the Massachusetts Institute of Technology + + Export of this software from the United States of America is assumed + to require a specific license from the United States Government. + It is the responsibility of any person or organization contemplating + export to obtain such a license before exporting. + +WITHIN THAT CONSTRAINT, permission to use, copy, modify, and +distribute this software and its documentation for any purpose and +without fee is hereby granted, provided that the above copyright +notice appear in all copies and that both that copyright notice and +this permission notice appear in supporting documentation, and that +the name of M.I.T. not be used in advertising or publicity pertaining +to distribution of the software without specific, written prior +permission. M.I.T. makes no representations about the suitability of +this software for any purpose. It is provided "as is" without express +or implied warranty. + + */ + +#include "krb_locl.h" + +RCSID("$Id: get_in_tkt.c,v 1.15 1997/03/23 03:53:08 joda Exp $"); + +/* + * This file contains three routines: passwd_to_key() and + * passwd_to_afskey() converts a password into a DES key, using the + * normal strinttokey and the AFS one, respectively, and + * krb_get_pw_in_tkt() gets an initial ticket for a user. + */ + +/* + * passwd_to_key() and passwd_to_afskey: given a password, return a DES key. + */ + +int +passwd_to_key(char *user, char *instance, char *realm, void *passwd, + des_cblock *key) +{ +#ifndef NOENCRYPTION + des_string_to_key((char *)passwd, key); +#endif + return 0; +} + + +int +passwd_to_afskey(char *user, char *instance, char *realm, void *passwd, + des_cblock *key) +{ +#ifndef NOENCRYPTION + afs_string_to_key((char *)passwd, realm, key); +#endif + return (0); +} + +/* + * krb_get_pw_in_tkt() takes the name of the server for which the initial + * ticket is to be obtained, the name of the principal the ticket is + * for, the desired lifetime of the ticket, and the user's password. + * It passes its arguments on to krb_get_in_tkt(), which contacts + * Kerberos to get the ticket, decrypts it using the password provided, + * and stores it away for future use. + * + * krb_get_pw_in_tkt() passes two additional arguments to krb_get_in_tkt(): + * the name of a routine (passwd_to_key()) to be used to get the + * password in case the "password" argument is null and NULL for the + * decryption procedure indicating that krb_get_in_tkt should use the + * default method of decrypting the response from the KDC. + * + * The result of the call to krb_get_in_tkt() is returned. + */ + +int +krb_get_pw_in_tkt(char *user, char *instance, char *realm, char *service, + char *sinstance, int life, char *password) +{ + char pword[100]; /* storage for the password */ + int code; + + /* Only request password once! */ + if (!password) { + if (des_read_pw_string(pword, sizeof(pword)-1, "Password: ", 0)){ + memset(pword, 0, sizeof(pword)); + return INTK_BADPW; + } + password = pword; + } + + code = krb_get_in_tkt(user,instance,realm,service,sinstance,life, + passwd_to_key, NULL, password); + if (code == INTK_BADPW) + code = krb_get_in_tkt(user,instance,realm,service,sinstance,life, + passwd_to_afskey, NULL, password); + if (password == pword) + memset(pword, 0, sizeof(pword)); + return(code); +} |