1 /* $OpenBSD: monitor_wrap.h,v 1.49 2022/06/15 16:08:25 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 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 ssh; 37 struct monitor; 38 struct Authctxt; 39 struct sshkey; 40 struct sshauthopt; 41 struct sshkey_sig_details; 42 43 void mm_log_handler(LogLevel, int, const char *, void *); 44 int mm_is_monitor(void); 45 #ifdef WITH_OPENSSL 46 DH *mm_choose_dh(int, int, int); 47 #endif 48 int mm_sshkey_sign(struct ssh *, struct sshkey *, u_char **, size_t *, 49 const u_char *, size_t, const char *, const char *, 50 const char *, u_int compat); 51 void mm_inform_authserv(char *, char *); 52 struct passwd *mm_getpwnamallow(struct ssh *, const char *); 53 char *mm_auth2_read_banner(void); 54 int mm_auth_password(struct ssh *, char *); 55 int mm_key_allowed(enum mm_keytype, const char *, const char *, struct sshkey *, 56 int, struct sshauthopt **); 57 int mm_user_key_allowed(struct ssh *ssh, struct passwd *, struct sshkey *, int, 58 struct sshauthopt **); 59 int mm_hostbased_key_allowed(struct ssh *, struct passwd *, const char *, 60 const char *, struct sshkey *); 61 int mm_sshkey_verify(const struct sshkey *, const u_char *, size_t, 62 const u_char *, size_t, const char *, u_int, struct sshkey_sig_details **); 63 64 #ifdef GSSAPI 65 OM_uint32 mm_ssh_gssapi_server_ctx(Gssctxt **, gss_OID); 66 OM_uint32 mm_ssh_gssapi_accept_ctx(Gssctxt *, 67 gss_buffer_desc *, gss_buffer_desc *, OM_uint32 *); 68 int mm_ssh_gssapi_userok(char *user); 69 OM_uint32 mm_ssh_gssapi_checkmic(Gssctxt *, gss_buffer_t, gss_buffer_t); 70 #endif 71 72 #ifdef USE_PAM 73 void mm_start_pam(struct ssh *ssh); 74 u_int mm_do_pam_account(void); 75 void *mm_sshpam_init_ctx(struct Authctxt *); 76 int mm_sshpam_query(void *, char **, char **, u_int *, char ***, u_int **); 77 int mm_sshpam_respond(void *, u_int, char **); 78 void mm_sshpam_free_ctx(void *); 79 #endif 80 81 #ifdef SSH_AUDIT_EVENTS 82 #include "audit.h" 83 void mm_audit_event(struct ssh *, ssh_audit_event_t); 84 void mm_audit_run_command(const char *); 85 #endif 86 87 struct Session; 88 void mm_terminate(void); 89 int mm_pty_allocate(int *, int *, char *, size_t); 90 void mm_session_pty_cleanup2(struct Session *); 91 92 /* Key export functions */ 93 struct newkeys *mm_newkeys_from_blob(u_char *, int); 94 int mm_newkeys_to_blob(int, u_char **, u_int *); 95 96 void mm_send_keystate(struct ssh *, struct monitor*); 97 98 /* bsdauth */ 99 int mm_bsdauth_query(void *, char **, char **, u_int *, char ***, u_int **); 100 int mm_bsdauth_respond(void *, u_int, char **); 101 102 #endif /* _MM_WRAP_H_ */ 103