1 /* $NetBSD: monitor_wrap.h,v 1.5 2011/09/07 17:49:19 christos Exp $ */ 2 /* $OpenBSD: monitor_wrap.h,v 1.23 2011/06/17 21:44:31 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 void mm_log_handler(LogLevel, const char *, void *); 42 int mm_is_monitor(void); 43 DH *mm_choose_dh(int, int, int); 44 int mm_key_sign(Key *, u_char **, u_int *, u_char *, u_int); 45 void mm_inform_authserv(char *, char *); 46 struct passwd *mm_getpwnamallow(const char *); 47 char *mm_auth2_read_banner(void); 48 int mm_auth_password(struct Authctxt *, const char *); 49 int mm_key_allowed(enum mm_keytype, char *, char *, Key *); 50 int mm_user_key_allowed(struct passwd *, Key *); 51 int mm_hostbased_key_allowed(struct passwd *, char *, char *, Key *); 52 int mm_auth_rhosts_rsa_key_allowed(struct passwd *, char *, char *, Key *); 53 int mm_key_verify(Key *, u_char *, u_int, u_char *, u_int); 54 int mm_auth_rsa_key_allowed(struct passwd *, BIGNUM *, Key **); 55 int mm_auth_rsa_verify_response(Key *, BIGNUM *, u_char *); 56 BIGNUM *mm_auth_rsa_generate_challenge(Key *); 57 58 #ifdef GSSAPI 59 OM_uint32 mm_ssh_gssapi_server_ctx(Gssctxt **, gss_OID); 60 OM_uint32 mm_ssh_gssapi_accept_ctx(Gssctxt *, 61 gss_buffer_desc *, gss_buffer_desc *, OM_uint32 *); 62 int mm_ssh_gssapi_userok(char *user); 63 OM_uint32 mm_ssh_gssapi_checkmic(Gssctxt *, gss_buffer_t, gss_buffer_t); 64 #endif 65 66 #ifdef USE_PAM 67 void mm_start_pam(struct Authctxt *); 68 u_int mm_do_pam_account(void); 69 void *mm_sshpam_init_ctx(struct Authctxt *); 70 int mm_sshpam_query(void *, char **, char **, u_int *, char ***, u_int **); 71 int mm_sshpam_respond(void *, u_int, char **); 72 void mm_sshpam_free_ctx(void *); 73 #endif 74 75 struct Session; 76 void mm_terminate(void); 77 int mm_pty_allocate(int *, int *, char *, size_t); 78 void mm_session_pty_cleanup2(struct Session *); 79 80 /* SSHv1 interfaces */ 81 void mm_ssh1_session_id(u_char *); 82 int mm_ssh1_session_key(BIGNUM *); 83 84 /* Key export functions */ 85 struct Newkeys *mm_newkeys_from_blob(u_char *, int); 86 int mm_newkeys_to_blob(int, u_char **, u_int *); 87 88 void monitor_apply_keystate(struct monitor *); 89 void mm_get_keystate(struct monitor *); 90 void mm_send_keystate(struct monitor*); 91 92 /* bsdauth */ 93 int mm_bsdauth_query(void *, char **, char **, u_int *, char ***, u_int **); 94 int mm_bsdauth_respond(void *, u_int, char **); 95 96 /* skey */ 97 int mm_skey_query(void *, char **, char **, u_int *, char ***, u_int **); 98 int mm_skey_respond(void *, u_int, char **); 99 100 /* jpake */ 101 struct modp_group; 102 void mm_auth2_jpake_get_pwdata(struct Authctxt *, BIGNUM **, char **, char **); 103 void mm_jpake_step1(struct modp_group *, u_char **, u_int *, 104 BIGNUM **, BIGNUM **, BIGNUM **, BIGNUM **, 105 u_char **, u_int *, u_char **, u_int *); 106 void mm_jpake_step2(struct modp_group *, BIGNUM *, 107 BIGNUM *, BIGNUM *, BIGNUM *, BIGNUM *, 108 const u_char *, u_int, const u_char *, u_int, 109 const u_char *, u_int, const u_char *, u_int, 110 BIGNUM **, u_char **, u_int *); 111 void mm_jpake_key_confirm(struct modp_group *, BIGNUM *, BIGNUM *, 112 BIGNUM *, 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 int mm_jpake_check_confirm(const BIGNUM *, 117 const u_char *, u_int, const u_char *, u_int, const u_char *, u_int); 118 119 /* auth_krb */ 120 #ifdef KRB4 121 int mm_auth_krb4(struct Authctxt *, void *, char **, void *); 122 #endif 123 #ifdef KRB5 124 /* auth and reply are really krb5_data objects, but we don't want to 125 * include all of the krb5 headers here */ 126 int mm_auth_krb5(void *authctxt, void *auth, char **client, void *reply); 127 #endif 128 129 /* zlib allocation hooks */ 130 131 void *mm_zalloc(struct mm_master *, u_int, u_int); 132 void mm_zfree(struct mm_master *, void *); 133 void mm_init_compression(struct mm_master *); 134 135 #endif /* _MM_WRAP_H_ */ 136