1 /* $OpenBSD: monitor_wrap.h,v 1.52 2024/10/14 01:57:50 djm 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 struct Session; 72 void mm_terminate(void); 73 int mm_pty_allocate(int *, int *, char *, size_t); 74 void mm_session_pty_cleanup2(struct Session *); 75 76 void mm_send_keystate(struct ssh *, struct monitor*); 77 78 /* state */ 79 struct include_list; 80 void mm_get_state(struct ssh *, struct include_list *, struct sshbuf *, 81 struct sshbuf **, uint64_t *, struct sshbuf **, struct sshbuf **, 82 u_char **, struct sshbuf **, struct sshbuf **); 83 84 /* bsdauth */ 85 int mm_bsdauth_query(void *, char **, char **, u_int *, char ***, u_int **); 86 int mm_bsdauth_respond(void *, u_int, char **); 87 88 /* config / channels glue */ 89 void server_process_permitopen(struct ssh *); 90 void server_process_channel_timeouts(struct ssh *ssh); 91 struct connection_info * 92 server_get_connection_info(struct ssh *, int, int); 93 94 #endif /* _MM_WRAP_H_ */ 95