crypto/openssh/monitor_wrap.h

   1 /* $OpenBSD: monitor_wrap.h,v 1.51 2024/05/17 06:42:04 jsg 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
  31 enum mm_keytype { MM_NOKEY, MM_HOSTKEY, MM_USERKEY };
  32
  33 struct ssh;
  34 struct monitor;
  35 struct Authctxt;
  36 struct sshkey;
  37 struct sshauthopt;
  38 struct sshkey_sig_details;
  39
  40 void mm_log_handler(LogLevel, int, const char *, void *);
  41 int mm_is_monitor(void);
  42 #ifdef WITH_OPENSSL
  43 DH *mm_choose_dh(int, int, int);
  44 #endif
  45 int mm_sshkey_sign(struct ssh *, struct sshkey *, u_char **, size_t *,
  46     const u_char *, size_t, const char *, const char *,
  47     const char *, u_int compat);
  48 void mm_inform_authserv(char *, char *);
  49 struct passwd *mm_getpwnamallow(struct ssh *, const char *);
  50 char *mm_auth2_read_banner(void);
  51 int mm_auth_password(struct ssh *, char *);
  52 int mm_key_allowed(enum mm_keytype, const char *, const char *, struct sshkey *,
  53     int, struct sshauthopt **);
  54 int mm_user_key_allowed(struct ssh *ssh, struct passwd *, struct sshkey *, int,
  55     struct sshauthopt **);
  56 int mm_hostbased_key_allowed(struct ssh *, struct passwd *, const char *,
  57     const char *, struct sshkey *);
  58 int mm_sshkey_verify(const struct sshkey *, const u_char *, size_t,
  59     const u_char *, size_t, const char *, u_int, struct sshkey_sig_details **);
  60
  61 void mm_decode_activate_server_options(struct ssh *ssh, struct sshbuf *m);
  62
  63 #ifdef GSSAPI
  64 OM_uint32 mm_ssh_gssapi_server_ctx(Gssctxt **, gss_OID);
  65 OM_uint32 mm_ssh_gssapi_accept_ctx(Gssctxt *,
  66    gss_buffer_desc *, gss_buffer_desc *, OM_uint32 *);
  67 int mm_ssh_gssapi_userok(char *user);
  68 OM_uint32 mm_ssh_gssapi_checkmic(Gssctxt *, gss_buffer_t, gss_buffer_t);
  69 #endif
  70
  71 #ifdef USE_PAM
  72 void mm_start_pam(struct ssh *ssh);
  73 u_int mm_do_pam_account(void);
  74 void *mm_sshpam_init_ctx(struct Authctxt *);
  75 int mm_sshpam_query(void *, char **, char **, u_int *, char ***, u_int **);
  76 int mm_sshpam_respond(void *, u_int, char **);
  77 void mm_sshpam_free_ctx(void *);
  78 #endif
  79
  80 #ifdef SSH_AUDIT_EVENTS
  81 #include "audit.h"
  82 void mm_audit_event(struct ssh *, ssh_audit_event_t);
  83 void mm_audit_run_command(const char *);
  84 #endif
  85
  86 struct Session;
  87 void mm_terminate(void);
  88 int mm_pty_allocate(int *, int *, char *, size_t);
  89 void mm_session_pty_cleanup2(struct Session *);
  90
  91 void mm_send_keystate(struct ssh *, struct monitor*);
  92
  93 /* bsdauth */
  94 int mm_bsdauth_query(void *, char **, char **, u_int *, char ***, u_int **);
  95 int mm_bsdauth_respond(void *, u_int, char **);
  96
  97 /* config / channels glue */
  98 void     server_process_permitopen(struct ssh *);
  99 void     server_process_channel_timeouts(struct ssh *ssh);
 100 struct connection_info *
 101          server_get_connection_info(struct ssh *, int, int);
 102
 103 #endif /* _MM_WRAP_H_ */