1 /* $OpenBSD: monitor_wrap.h,v 1.23 2011/06/17 21:44:31 djm Exp $ */ 2 3 /* 4 * Copyright 2002 Niels Provos <provos (at) 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, MM_RSAHOSTKEY, MM_RSAUSERKEY}; 35 36 struct monitor; 37 struct mm_master; 38 struct Authctxt; 39 40 void mm_log_handler(LogLevel, const char *, void *); 41 int mm_is_monitor(void); 42 DH *mm_choose_dh(int, int, int); 43 int mm_key_sign(Key *, u_char **, u_int *, u_char *, u_int); 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, char *, char *, Key *); 49 int mm_user_key_allowed(struct passwd *, Key *); 50 int mm_hostbased_key_allowed(struct passwd *, char *, char *, Key *); 51 int mm_auth_rhosts_rsa_key_allowed(struct passwd *, char *, char *, Key *); 52 int mm_key_verify(Key *, u_char *, u_int, u_char *, u_int); 53 int mm_auth_rsa_key_allowed(struct passwd *, BIGNUM *, Key **); 54 int mm_auth_rsa_verify_response(Key *, BIGNUM *, u_char *); 55 BIGNUM *mm_auth_rsa_generate_challenge(Key *); 56 57 #ifdef GSSAPI 58 OM_uint32 mm_ssh_gssapi_server_ctx(Gssctxt **, gss_OID); 59 OM_uint32 mm_ssh_gssapi_accept_ctx(Gssctxt *, 60 gss_buffer_desc *, gss_buffer_desc *, OM_uint32 *); 61 int mm_ssh_gssapi_userok(char *user); 62 OM_uint32 mm_ssh_gssapi_checkmic(Gssctxt *, gss_buffer_t, gss_buffer_t); 63 #endif 64 65 #ifdef USE_PAM 66 void mm_start_pam(struct Authctxt *); 67 u_int mm_do_pam_account(void); 68 void *mm_sshpam_init_ctx(struct Authctxt *); 69 int mm_sshpam_query(void *, char **, char **, u_int *, char ***, u_int **); 70 int mm_sshpam_respond(void *, u_int, char **); 71 void mm_sshpam_free_ctx(void *); 72 #endif 73 74 #ifdef SSH_AUDIT_EVENTS 75 #include "audit.h" 76 void mm_audit_event(ssh_audit_event_t); 77 void mm_audit_run_command(const char *); 78 #endif 79 80 struct Session; 81 void mm_terminate(void); 82 int mm_pty_allocate(int *, int *, char *, size_t); 83 void mm_session_pty_cleanup2(struct Session *); 84 85 /* SSHv1 interfaces */ 86 void mm_ssh1_session_id(u_char *); 87 int mm_ssh1_session_key(BIGNUM *); 88 89 /* Key export functions */ 90 struct Newkeys *mm_newkeys_from_blob(u_char *, int); 91 int mm_newkeys_to_blob(int, u_char **, u_int *); 92 93 void monitor_apply_keystate(struct monitor *); 94 void mm_get_keystate(struct monitor *); 95 void mm_send_keystate(struct monitor*); 96 97 /* bsdauth */ 98 int mm_bsdauth_query(void *, char **, char **, u_int *, char ***, u_int **); 99 int mm_bsdauth_respond(void *, u_int, char **); 100 101 /* skey */ 102 int mm_skey_query(void *, char **, char **, u_int *, char ***, u_int **); 103 int mm_skey_respond(void *, u_int, char **); 104 105 /* jpake */ 106 struct modp_group; 107 void mm_auth2_jpake_get_pwdata(struct Authctxt *, BIGNUM **, char **, char **); 108 void mm_jpake_step1(struct modp_group *, u_char **, u_int *, 109 BIGNUM **, BIGNUM **, BIGNUM **, BIGNUM **, 110 u_char **, u_int *, u_char **, u_int *); 111 void mm_jpake_step2(struct modp_group *, BIGNUM *, 112 BIGNUM *, BIGNUM *, BIGNUM *, BIGNUM *, 113 const u_char *, u_int, const u_char *, u_int, 114 const u_char *, u_int, const u_char *, u_int, 115 BIGNUM **, u_char **, u_int *); 116 void mm_jpake_key_confirm(struct modp_group *, BIGNUM *, BIGNUM *, 117 BIGNUM *, BIGNUM *, BIGNUM *, BIGNUM *, BIGNUM *, 118 const u_char *, u_int, const u_char *, u_int, 119 const u_char *, u_int, const u_char *, u_int, 120 BIGNUM **, u_char **, u_int *); 121 int mm_jpake_check_confirm(const BIGNUM *, 122 const u_char *, u_int, const u_char *, u_int, const u_char *, u_int); 123 124 125 /* zlib allocation hooks */ 126 127 void *mm_zalloc(struct mm_master *, u_int, u_int); 128 void mm_zfree(struct mm_master *, void *); 129 void mm_init_compression(struct mm_master *); 130 131 #endif /* _MM_WRAP_H_ */ 132
