1 /* $NetBSD: monitor_wrap.h,v 1.3 2009/12/27 01:40:47 christos Exp $ */ 2 /* $OpenBSD: monitor_wrap.h,v 1.22 2009/03/05 07:18:19 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, MM_RSAHOSTKEY, MM_RSAUSERKEY}; 36 37 struct monitor; 38 struct mm_master; 39 struct Authctxt; 40 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 struct Session; 75 void mm_terminate(void); 76 int mm_pty_allocate(int *, int *, char *, size_t); 77 void mm_session_pty_cleanup2(struct Session *); 78 79 /* SSHv1 interfaces */ 80 void mm_ssh1_session_id(u_char *); 81 int mm_ssh1_session_key(BIGNUM *); 82 83 /* Key export functions */ 84 struct Newkeys *mm_newkeys_from_blob(u_char *, int); 85 int mm_newkeys_to_blob(int, u_char **, u_int *); 86 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 /* jpake */ 100 struct modp_group; 101 void mm_auth2_jpake_get_pwdata(struct Authctxt *, BIGNUM **, char **, char **); 102 void mm_jpake_step1(struct modp_group *, u_char **, u_int *, 103 BIGNUM **, BIGNUM **, BIGNUM **, BIGNUM **, 104 u_char **, u_int *, u_char **, u_int *); 105 void mm_jpake_step2(struct modp_group *, BIGNUM *, 106 BIGNUM *, BIGNUM *, BIGNUM *, BIGNUM *, 107 const u_char *, u_int, const u_char *, u_int, 108 const u_char *, u_int, const u_char *, u_int, 109 BIGNUM **, u_char **, u_int *); 110 void mm_jpake_key_confirm(struct modp_group *, BIGNUM *, BIGNUM *, 111 BIGNUM *, BIGNUM *, BIGNUM *, BIGNUM *, BIGNUM *, 112 const u_char *, u_int, const u_char *, u_int, 113 const u_char *, u_int, const u_char *, u_int, 114 BIGNUM **, u_char **, u_int *); 115 int mm_jpake_check_confirm(const BIGNUM *, 116 const u_char *, u_int, const u_char *, u_int, const u_char *, u_int); 117 118 /* auth_krb */ 119 #ifdef KRB4 120 int mm_auth_krb4(struct Authctxt *, void *, char **, void *); 121 #endif 122 #ifdef KRB5 123 /* auth and reply are really krb5_data objects, but we don't want to 124 * include all of the krb5 headers here */ 125 int mm_auth_krb5(void *authctxt, void *auth, char **client, void *reply); 126 #endif 127 128 /* zlib allocation hooks */ 129 130 void *mm_zalloc(struct mm_master *, u_int, u_int); 131 void mm_zfree(struct mm_master *, void *); 132 void mm_init_compression(struct mm_master *); 133 134 #endif /* _MM_WRAP_H_ */ 135