1 /* $NetBSD: monitor_wrap.h,v 1.23 2022/10/05 22:39:36 christos Exp $ */ 2 /* $OpenBSD: monitor_wrap.h,v 1.49 2022/06/15 16:08:25 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 ssh; 38 struct monitor; 39 struct Authctxt; 40 struct sshkey; 41 struct sshauthopt; 42 struct sshkey_sig_details; 43 44 void mm_log_handler(LogLevel, int, const char *, void *); 45 int mm_is_monitor(void); 46 #ifdef WITH_OPENSSL 47 DH *mm_choose_dh(int, int, int); 48 #endif 49 int mm_sshkey_sign(struct ssh *, struct sshkey *, u_char **, size_t *, 50 const u_char *, size_t, const char *, const char *, 51 const char *, u_int compat); 52 void mm_inform_authserv(char *, char *); 53 struct passwd *mm_getpwnamallow(struct ssh *, const char *); 54 char *mm_auth2_read_banner(void); 55 int mm_auth_password(struct ssh *, const char *); 56 int mm_key_allowed(enum mm_keytype, const char *, const char *, struct sshkey *, 57 int, struct sshauthopt **); 58 int mm_user_key_allowed(struct ssh *ssh, struct passwd *, struct sshkey *, int, 59 struct sshauthopt **); 60 int mm_hostbased_key_allowed(struct ssh *, struct passwd *, const char *, 61 const char *, struct sshkey *); 62 int mm_sshkey_verify(const struct sshkey *, const u_char *, size_t, 63 const u_char *, size_t, const char *, u_int, struct sshkey_sig_details **); 64 65 #ifdef GSSAPI 66 OM_uint32 mm_ssh_gssapi_server_ctx(Gssctxt **, gss_OID); 67 OM_uint32 mm_ssh_gssapi_accept_ctx(Gssctxt *, 68 gss_buffer_desc *, gss_buffer_desc *, OM_uint32 *); 69 int mm_ssh_gssapi_userok(char *user); 70 OM_uint32 mm_ssh_gssapi_checkmic(Gssctxt *, gss_buffer_t, gss_buffer_t); 71 #endif 72 73 #ifdef USE_PAM 74 void mm_start_pam(struct ssh *); 75 u_int mm_do_pam_account(void); 76 void *mm_sshpam_init_ctx(struct Authctxt *); 77 int mm_sshpam_query(void *, char **, char **, u_int *, char ***, u_int **); 78 int mm_sshpam_respond(void *, u_int, char **); 79 void mm_sshpam_free_ctx(void *); 80 #endif 81 82 struct Session; 83 void mm_terminate(void); 84 int mm_pty_allocate(int *, int *, char *, size_t); 85 void mm_session_pty_cleanup2(struct Session *); 86 87 /* Key export functions */ 88 struct newkeys *mm_newkeys_from_blob(u_char *, int); 89 int mm_newkeys_to_blob(int, u_char **, u_int *); 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 /* 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 /* auth_krb */ 102 #ifdef KRB5 103 /* auth and reply are really krb5_data objects, but we don't want to 104 * include all of the krb5 headers here */ 105 int mm_auth_krb5(void *authctxt, void *auth, char **client, void *reply); 106 #endif 107 #endif /* _MM_WRAP_H_ */ 108