1 /* $NetBSD: monitor_wrap.h,v 1.15 2018/04/06 18:59:00 christos Exp $ */ 2 /* $OpenBSD: monitor_wrap.h,v 1.37 2018/03/03 03:15:51 djm 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 }; 36 37 struct monitor; 38 struct Authctxt; 39 struct sshkey; 40 struct sshauthopt; 41 42 void mm_log_handler(LogLevel, const char *, void *); 43 int mm_is_monitor(void); 44 DH *mm_choose_dh(int, int, int); 45 int mm_key_sign(struct sshkey *, u_char **, u_int *, const u_char *, u_int, 46 const char *); 47 void mm_inform_authserv(char *, char *); 48 struct passwd *mm_getpwnamallow(const char *); 49 char *mm_auth2_read_banner(void); 50 int mm_auth_password(struct ssh *, const char *); 51 int mm_key_allowed(enum mm_keytype, const char *, const char *, struct sshkey *, 52 int, struct sshauthopt **); 53 int mm_user_key_allowed(struct ssh *, struct passwd *, struct sshkey *, int, 54 struct sshauthopt **); 55 int mm_hostbased_key_allowed(struct passwd *, const char *, 56 const char *, struct sshkey *); 57 int mm_sshkey_verify(const struct sshkey *, const u_char *, size_t, 58 const u_char *, size_t, const char *, u_int); 59 60 #ifdef GSSAPI 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 struct Session; 78 void mm_terminate(void); 79 int mm_pty_allocate(int *, int *, char *, size_t); 80 void mm_session_pty_cleanup2(struct Session *); 81 82 /* Key export functions */ 83 struct newkeys *mm_newkeys_from_blob(u_char *, int); 84 int mm_newkeys_to_blob(int, u_char **, u_int *); 85 86 void monitor_clear_keystate(struct monitor *); 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 KRB5 101 /* auth and reply are really krb5_data objects, but we don't want to 102 * include all of the krb5 headers here */ 103 int mm_auth_krb5(void *authctxt, void *auth, char **client, void *reply); 104 #endif 105 #endif /* _MM_WRAP_H_ */ 106