monitor_wrap.h

   1 /*      $OpenBSD: monitor_wrap.h,v 1.14 2004/06/21 17:36:31 avsm Exp $  */
   2
   3 /*
   4  * Copyright 2002 Niels Provos <provos@citi.umich.edu>
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26  */
  27
  28 #ifndef _MM_WRAP_H_
  29 #define _MM_WRAP_H_
  30 #include "key.h"
  31 #include "buffer.h"
  32
  33 extern int use_privsep;
  34 #define PRIVSEP(x)      (use_privsep ? mm_##x : x)
  35
  36 enum mm_keytype {MM_NOKEY, MM_HOSTKEY, MM_USERKEY, MM_RSAHOSTKEY, MM_RSAUSERKEY};
  37
  38 struct monitor;
  39 struct mm_master;
  40 struct passwd;
  41 struct Authctxt;
  42
  43 int mm_is_monitor(void);
  44 DH *mm_choose_dh(int, int, int);
  45 int mm_key_sign(Key *, u_char **, u_int *, u_char *, u_int);
  46 void mm_inform_authserv(char *, char *);
  47 struct passwd *mm_getpwnamallow(const char *);
  48 char *mm_auth2_read_banner(void);
  49 int mm_auth_password(struct Authctxt *, char *);
  50 int mm_key_allowed(enum mm_keytype, char *, char *, Key *);
  51 int mm_user_key_allowed(struct passwd *, Key *);
  52 int mm_hostbased_key_allowed(struct passwd *, char *, char *, Key *);
  53 int mm_auth_rhosts_rsa_key_allowed(struct passwd *, char *, char *, Key *);
  54 int mm_key_verify(Key *, u_char *, u_int, u_char *, u_int);
  55 int mm_auth_rsa_key_allowed(struct passwd *, BIGNUM *, Key **);
  56 int mm_auth_rsa_verify_response(Key *, BIGNUM *, u_char *);
  57 BIGNUM *mm_auth_rsa_generate_challenge(Key *);
  58
  59 #ifdef GSSAPI
  60 #include "ssh-gss.h"
  61 OM_uint32 mm_ssh_gssapi_server_ctx(Gssctxt **, gss_OID);
  62 OM_uint32 mm_ssh_gssapi_accept_ctx(Gssctxt *,
  63    gss_buffer_desc *, gss_buffer_desc *, OM_uint32 *);
  64 int mm_ssh_gssapi_userok(char *user);
  65 OM_uint32 mm_ssh_gssapi_checkmic(Gssctxt *, gss_buffer_t, gss_buffer_t);
  66 #endif
  67
  68 #ifdef USE_PAM
  69 void mm_start_pam(struct Authctxt *);
  70 u_int mm_do_pam_account(void);
  71 void *mm_sshpam_init_ctx(struct Authctxt *);
  72 int mm_sshpam_query(void *, char **, char **, u_int *, char ***, u_int **);
  73 int mm_sshpam_respond(void *, u_int, char **);
  74 void mm_sshpam_free_ctx(void *);
  75 #endif
  76
  77 #ifdef SSH_AUDIT_EVENTS
  78 #include "audit.h"
  79 void mm_audit_event(ssh_audit_event_t);
  80 void mm_audit_run_command(const char *);
  81 #endif
  82
  83 struct Session;
  84 void mm_terminate(void);
  85 int mm_pty_allocate(int *, int *, char *, int);
  86 void mm_session_pty_cleanup2(struct Session *);
  87
  88 /* SSHv1 interfaces */
  89 void mm_ssh1_session_id(u_char *);
  90 int mm_ssh1_session_key(BIGNUM *);
  91
  92 /* Key export functions */
  93 struct Newkeys *mm_newkeys_from_blob(u_char *, int);
  94 int mm_newkeys_to_blob(int, u_char **, u_int *);
  95
  96 void monitor_apply_keystate(struct monitor *);
  97 void mm_get_keystate(struct monitor *);
  98 void mm_send_keystate(struct monitor*);
  99
 100 /* bsdauth */
 101 int mm_bsdauth_query(void *, char **, char **, u_int *, char ***, u_int **);
 102 int mm_bsdauth_respond(void *, u_int, char **);
 103
 104 /* skey */
 105 int mm_skey_query(void *, char **, char **, u_int *, char ***, u_int **);
 106 int mm_skey_respond(void *, u_int, char **);
 107
 108 /* zlib allocation hooks */
 109
 110 void *mm_zalloc(struct mm_master *, u_int, u_int);
 111 void mm_zfree(struct mm_master *, void *);
 112 void mm_init_compression(struct mm_master *);
 113
 114 #endif /* _MM_H_ */