crypto/dist/ssh/monitor_wrap.h

   1 /*      $NetBSD$        */
   2 /* $OpenBSD: monitor_wrap.h,v 1.20 2006/08/03 03:34:42 deraadt Exp $ */
   3
   4 /*
   5  * Copyright 2002 Niels Provos <provos@citi.umich.edu>
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29 #ifndef _MM_WRAP_H_
  30 #define _MM_WRAP_H_
  31
  32 extern int use_privsep;
  33 #define PRIVSEP(x)      (use_privsep ? mm_##x : x)
  34
  35 enum mm_keytype {MM_NOKEY, MM_HOSTKEY, MM_USERKEY, MM_RSAHOSTKEY, MM_RSAUSERKEY};
  36
  37 struct monitor;
  38 struct mm_master;
  39 struct Authctxt;
  40
  41 int mm_is_monitor(void);
  42 DH *mm_choose_dh(int, int, int);
  43 int mm_key_sign(Key *, u_char **, u_int *, u_char *, u_int);
  44 void mm_inform_authserv(char *, char *);
  45 struct passwd *mm_getpwnamallow(const char *);
  46 char *mm_auth2_read_banner(void);
  47 int mm_auth_password(struct Authctxt *, char *);
  48 int mm_key_allowed(enum mm_keytype, char *, char *, Key *);
  49 int mm_user_key_allowed(struct passwd *, Key *);
  50 int mm_hostbased_key_allowed(struct passwd *, char *, char *, Key *);
  51 int mm_auth_rhosts_rsa_key_allowed(struct passwd *, char *, char *, Key *);
  52 int mm_key_verify(Key *, u_char *, u_int, u_char *, u_int);
  53 int mm_auth_rsa_key_allowed(struct passwd *, BIGNUM *, Key **);
  54 int mm_auth_rsa_verify_response(Key *, BIGNUM *, u_char *);
  55 BIGNUM *mm_auth_rsa_generate_challenge(Key *);
  56
  57 #ifdef GSSAPI
  58 OM_uint32 mm_ssh_gssapi_server_ctx(Gssctxt **, gss_OID);
  59 OM_uint32 mm_ssh_gssapi_accept_ctx(Gssctxt *,
  60    gss_buffer_desc *, gss_buffer_desc *, OM_uint32 *);
  61 int mm_ssh_gssapi_userok(char *user);
  62 OM_uint32 mm_ssh_gssapi_checkmic(Gssctxt *, gss_buffer_t, gss_buffer_t);
  63 #endif
  64
  65 #ifdef USE_PAM
  66 void mm_start_pam(struct Authctxt *);
  67 u_int mm_do_pam_account(void);
  68 void *mm_sshpam_init_ctx(struct Authctxt *);
  69 int mm_sshpam_query(void *, char **, char **, u_int *, char ***, u_int **);
  70 int mm_sshpam_respond(void *, u_int, char **);
  71 void mm_sshpam_free_ctx(void *);
  72 #endif
  73
  74 struct Session;
  75 void mm_terminate(void);
  76 int mm_pty_allocate(int *, int *, char *, size_t);
  77 void mm_session_pty_cleanup2(struct Session *);
  78
  79 /* SSHv1 interfaces */
  80 void mm_ssh1_session_id(u_char *);
  81 int mm_ssh1_session_key(BIGNUM *);
  82
  83 /* Key export functions */
  84 struct Newkeys *mm_newkeys_from_blob(u_char *, int);
  85 int mm_newkeys_to_blob(int, u_char **, u_int *);
  86
  87 void monitor_apply_keystate(struct monitor *);
  88 void mm_get_keystate(struct monitor *);
  89 void mm_send_keystate(struct monitor*);
  90
  91 /* bsdauth */
  92 int mm_bsdauth_query(void *, char **, char **, u_int *, char ***, u_int **);
  93 int mm_bsdauth_respond(void *, u_int, char **);
  94
  95 /* skey */
  96 int mm_skey_query(void *, char **, char **, u_int *, char ***, u_int **);
  97 int mm_skey_respond(void *, u_int, char **);
  98
  99 /* auth_krb */
 100 #ifdef KRB4
 101 int mm_auth_krb4(struct Authctxt *, void *, char **, void *);
 102 #endif
 103 #ifdef KRB5
 104 /* auth and reply are really krb5_data objects, but we don't want to
 105  * include all of the krb5 headers here */
 106 int mm_auth_krb5(void *authctxt, void *auth, char **client, void *reply);
 107 #endif
 108
 109 /* zlib allocation hooks */
 110
 111 void *mm_zalloc(struct mm_master *, u_int, u_int);
 112 void mm_zfree(struct mm_master *, void *);
 113 void mm_init_compression(struct mm_master *);
 114
 115 #endif /* _MM_WRAP_H_ */