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/*
Copyright (C) 2005-2025 Free Software Foundation, Inc.
This file is part of GNU Inetutils.
GNU Inetutils is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or (at
your option) any later version.
GNU Inetutils is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see `http://www.gnu.org/licenses/'. */
#ifdef SHISHI
# include <sys/socket.h>
# include <netinet/in.h>
# define SERVICE "host"
# define SHISHI_ENCRYPT_BUFLEN 1040
struct shishi_iv
{
char *iv;
int ivlen;
int keyusage;
Shishi_crypto *ctx;
int first;
};
typedef struct shishi_iv shishi_ivector;
struct auth_data
{
struct sockaddr_storage from;
socklen_t fromlen;
char *hostaddr;
char *hostname;
char *lusername;
char *rusername;
char *rprincipal;
char *term;
char *env[2];
int kerberos_version;
int verbose;
Shishi *h;
Shishi_ap *ap;
int protocol;
Shishi_key *enckey;
shishi_ivector iv1, iv2;
shishi_ivector *ivtab[2];
};
extern int shishi_auth (Shishi ** handle, int verbose, char **cname,
const char *sname, int sock, char *cmd,
unsigned short port, Shishi_key ** enckey,
const char *realm);
extern int get_auth (int infd, Shishi ** handle, Shishi_ap ** ap,
Shishi_key ** enckey, const char **err_msg,
int *protoversion, int *cksumtype, char **cksum,
size_t *cksumlen, char *srvname);
extern int readenc (Shishi * h, int sock, char *buf, int *len,
shishi_ivector * iv, Shishi_key * enckey, int proto);
extern int writeenc (Shishi * h, int sock, char *buf, int wlen, int *len,
shishi_ivector * iv, Shishi_key * enckey, int proto);
extern int krcmd (Shishi ** h, char **ahost, unsigned short rport,
char **remuser, char *cmd, int *fd2p,
const char *realm, int af);
extern int krcmd_mutual (Shishi ** h, char **ahost, unsigned short rport,
char **remuser, char *cmd, int *fd2p,
const char *realm, Shishi_key ** key, int af);
#endif
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