1 /* $OpenBSD: monitor_wrap.h,v 1.35 2017/05/31 08:09:45 markus 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 extern int use_privsep; 32 #define PRIVSEP(x) (use_privsep ? mm_##x : x) 33 34 enum mm_keytype { MM_NOKEY, MM_HOSTKEY, MM_USERKEY }; 35 36 struct monitor; 37 struct Authctxt; 38 39 void mm_log_handler(LogLevel, const char *, void *); 40 int mm_is_monitor(void); 41 DH *mm_choose_dh(int, int, int); 42 int mm_key_sign(struct sshkey *, u_char **, u_int *, const u_char *, u_int, 43 const char *); 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, const char *, const char *, struct sshkey *, 49 int); 50 int mm_user_key_allowed(struct passwd *, struct sshkey *, int); 51 int mm_hostbased_key_allowed(struct passwd *, const char *, 52 const char *, struct sshkey *); 53 int mm_sshkey_verify(const struct sshkey *, const u_char *, size_t, 54 const u_char *, size_t, u_int); 55 56 #ifdef GSSAPI 57 OM_uint32 mm_ssh_gssapi_server_ctx(Gssctxt **, gss_OID); 58 OM_uint32 mm_ssh_gssapi_accept_ctx(Gssctxt *, 59 gss_buffer_desc *, gss_buffer_desc *, OM_uint32 *); 60 int mm_ssh_gssapi_userok(char *user); 61 OM_uint32 mm_ssh_gssapi_checkmic(Gssctxt *, gss_buffer_t, gss_buffer_t); 62 #endif 63 64 #ifdef USE_PAM 65 void mm_start_pam(struct Authctxt *); 66 u_int mm_do_pam_account(void); 67 void *mm_sshpam_init_ctx(struct Authctxt *); 68 int mm_sshpam_query(void *, char **, char **, u_int *, char ***, u_int **); 69 int mm_sshpam_respond(void *, u_int, char **); 70 void mm_sshpam_free_ctx(void *); 71 #endif 72 73 #ifdef SSH_AUDIT_EVENTS 74 #include "audit.h" 75 void mm_audit_event(ssh_audit_event_t); 76 void mm_audit_run_command(const char *); 77 #endif 78 79 struct Session; 80 void mm_terminate(void); 81 int mm_pty_allocate(int *, int *, char *, size_t); 82 void mm_session_pty_cleanup2(struct Session *); 83 84 /* Key export functions */ 85 struct newkeys *mm_newkeys_from_blob(u_char *, int); 86 int mm_newkeys_to_blob(int, u_char **, u_int *); 87 88 void monitor_clear_keystate(struct monitor *); 89 void monitor_apply_keystate(struct monitor *); 90 void mm_get_keystate(struct monitor *); 91 void mm_send_keystate(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 /* skey */ 98 int mm_skey_query(void *, char **, char **, u_int *, char ***, u_int **); 99 int mm_skey_respond(void *, u_int, char **); 100 101 #endif /* _MM_WRAP_H_ */ 102