1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
  23  * Copyright 2015 Nexenta Systems, Inc.  All rights reserved.
  24  */
  25 
  26 #ifndef _LIBMLSVC_H
  27 #define _LIBMLSVC_H
  28 
  29 #include <sys/param.h>
  30 #include <sys/types.h>
  31 #include <sys/uio.h>
  32 #include <sys/ksynch.h>
  33 #include <uuid/uuid.h>
  34 
  35 #include <time.h>
  36 #include <stdio.h>
  37 #include <string.h>
  38 #include <syslog.h>
  39 #include <netdb.h>
  40 #include <libuutil.h>
  41 
  42 #include <smb/wintypes.h>
  43 #include <libmlrpc/libmlrpc.h>
  44 
  45 #include <smbsrv/hash_table.h>
  46 #include <smbsrv/smb_token.h>
  47 #include <smbsrv/smb_privilege.h>
  48 #include <smbsrv/smb_share.h>
  49 #include <smbsrv/smb_xdr.h>
  50 #include <smbsrv/smb_dfs.h>
  51 #include <smbsrv/libsmb.h>
  52 
  53 #ifdef  __cplusplus
  54 extern "C" {
  55 #endif
  56 
  57 uint32_t lsa_lookup_name(char *, uint16_t, smb_account_t *);
  58 uint32_t lsa_lookup_sid(smb_sid_t *, smb_account_t *);
  59 
  60 /*
  61  * SMB domain API to discover a domain controller and obtain domain
  62  * information.
  63  */
  64 
  65 extern boolean_t smb_locate_dc(char *, smb_domainex_t *);
  66 uint32_t smb_ddiscover_dns(char *, smb_domainex_t *);
  67 extern void smb_ddiscover_bad_dc(char *);
  68 extern void smb_ddiscover_refresh(void);
  69 extern int smb_ddiscover_wait(void);
  70 
  71 extern int dssetup_check_service(void);
  72 extern void dssetup_clear_domain_info(void);
  73 extern void mlsvc_disconnect(const char *);
  74 extern int mlsvc_init(void);
  75 extern void mlsvc_fini(void);
  76 extern DWORD mlsvc_netlogon(char *, char *);
  77 extern void mlsvc_join(smb_joininfo_t *, smb_joinres_t *);
  78 
  79 extern void smb_logon_domain(smb_logon_t *, smb_token_t *);
  80 extern uint32_t smb_decode_krb5_pac(smb_token_t *, char *, uint_t);
  81 extern boolean_t smb_token_setup_common(smb_token_t *);
  82 
  83 
  84 /*
  85  * The maximum number of domains (NT limit).
  86  */
  87 #define MLSVC_DOMAIN_MAX                32
  88 
  89 #define MLSVC_ANON_USER                 "IPC$"
  90 
  91 char *mlsvc_ipc_name(int ipc_type, char *username);
  92 
  93 /*
  94  * Passthrough negotiation and authentication interface.
  95  *
  96  * NT supports two forms of password: a Lanman (case-insensitive)
  97  * password and an NT (case-sensitive) password. If either of the
  98  * passwords is not available its pointer and length should be set
  99  * to zero. The session key and vc number are required to validate
 100  * the encrypted passwords.
 101  */
 102 
 103 void mlsvc_nt_password_hash(char *result, char *password);
 104 int mlsvc_encrypt_nt_password(char *password, char *key, int keylen, char *out,
 105     int outmax);
 106 
 107 #define SMB_AUTOHOME_FILE       "smbautohome"
 108 #define SMB_AUTOHOME_PATH       "/etc"
 109 
 110 typedef struct smb_autohome {
 111         struct smb_autohome *ah_next;
 112         uint32_t ah_hits;
 113         time_t ah_timestamp;
 114         char *ah_name;          /* User account name */
 115         char *ah_path;          /* Home directory path */
 116         char *ah_container;     /* ADS container distinguished name */
 117 } smb_autohome_t;
 118 
 119 extern void smb_autohome_add(const smb_token_t *);
 120 extern void smb_autohome_remove(const char *);
 121 
 122 /*
 123  * A local unique id (LUID) is an opaque id used by servers to identify
 124  * local resources, such as privileges.  A client will use lookup
 125  * functions to translate the LUID to a more general, machine independent
 126  * form; such as a string.
 127  */
 128 typedef struct ms_luid {
 129         uint32_t low_part;
 130         uint32_t high_part;
 131 } ms_luid_t;
 132 
 133 /*
 134  * A client_t is created while binding a client connection to hold the
 135  * context for calls made using that connection.
 136  *
 137  * Handles are RPC call specific and we use an inheritance mechanism to
 138  * ensure that each handle has a pointer to the client_t.  When the top
 139  * level (bind) handle is released, we close the connection.
 140  */
 141 typedef struct mlrpc_handle mlsvc_handle_t;
 142 
 143 /* mlsvc_client.c */
 144 void ndr_rpc_init(void);
 145 void ndr_rpc_fini(void);
 146 uint32_t ndr_rpc_bind(mlsvc_handle_t *, char *, char *, char *, const char *);
 147 void ndr_rpc_unbind(mlsvc_handle_t *);
 148 void ndr_rpc_status(mlsvc_handle_t *, int, uint32_t);
 149 
 150 /* These three get info about the connected client. */
 151 boolean_t ndr_is_admin(ndr_xa_t *);
 152 boolean_t ndr_is_poweruser(ndr_xa_t *);
 153 int32_t ndr_native_os(ndr_xa_t *);
 154 
 155 /* SRVSVC */
 156 int srvsvc_net_remote_tod(char *, char *, struct timeval *, struct tm *);
 157 
 158 /* SVCCTL service */
 159 /*
 160  * Calculate the wide-char equivalent string length required to
 161  * store a string - including the terminating null wide-char.
 162  */
 163 #define SVCCTL_WNSTRLEN(S)      ((strlen((S)) + 1) * sizeof (smb_wchar_t))
 164 
 165 /* An AVL-storable node representing each service in the SCM database. */
 166 typedef struct svcctl_svc_node {
 167         uu_avl_node_t           sn_node;
 168         char                    *sn_name;       /* Service Name (Key) */
 169         char                    *sn_fmri;       /* Display Name (FMRI) */
 170         char                    *sn_desc;       /* Description */
 171         char                    *sn_state;      /* State */
 172 } svcctl_svc_node_t;
 173 
 174 /* This structure provides context for each svcctl_s_OpenManager call. */
 175 typedef struct svcctl_manager_context {
 176         scf_handle_t            *mc_scf_hdl;      /* SCF handle */
 177         scf_propertygroup_t     *mc_scf_gpg;      /* Property group */
 178         scf_property_t          *mc_scf_gprop;    /* Property */
 179         scf_value_t             *mc_scf_gval;     /* Value */
 180         uint32_t                mc_scf_numsvcs;   /* Number of SMF services */
 181         ssize_t                 mc_scf_max_fmri_len;  /* Max FMRI length */
 182         ssize_t                 mc_scf_max_value_len; /* Max Value length */
 183         uint32_t                mc_bytes_needed;  /* Number of bytes needed */
 184         uu_avl_pool_t           *mc_svcs_pool;    /* AVL pool */
 185         uu_avl_t                *mc_svcs;         /* AVL tree of SMF services */
 186 } svcctl_manager_context_t;
 187 
 188 /* This structure provides context for each svcctl_s_OpenService call. */
 189 typedef struct svcctl_service_context {
 190         ndr_hdid_t              *sc_mgrid;      /* Manager ID */
 191         char                    *sc_svcname;    /* Service Name */
 192 } svcctl_service_context_t;
 193 
 194 typedef enum {
 195         SVCCTL_MANAGER_CONTEXT = 0,
 196         SVCCTL_SERVICE_CONTEXT
 197 } svcctl_context_type_t;
 198 
 199 /* This structure provides abstraction for service and manager context call. */
 200 typedef struct svcctl_context {
 201         svcctl_context_type_t   c_type;
 202         union {
 203                 svcctl_manager_context_t *uc_mgr;
 204                 svcctl_service_context_t *uc_svc;
 205                 void *uc_cp;
 206         } c_ctx;
 207 } svcctl_context_t;
 208 
 209 /* Service Control Manager (SCM) functions */
 210 void svcctl_init(void);
 211 void svcctl_fini(void);
 212 int svcctl_scm_init(svcctl_manager_context_t *);
 213 void svcctl_scm_fini(svcctl_manager_context_t *);
 214 int svcctl_scm_scf_handle_init(svcctl_manager_context_t *);
 215 void svcctl_scm_scf_handle_fini(svcctl_manager_context_t *);
 216 int svcctl_scm_refresh(svcctl_manager_context_t *);
 217 uint32_t svcctl_scm_enum_services(svcctl_manager_context_t *, uint8_t *,
 218     size_t, uint32_t *, boolean_t);
 219 uint32_t svcctl_scm_validate_service(svcctl_manager_context_t *, char *);
 220 svcctl_svc_node_t *svcctl_scm_find_service(svcctl_manager_context_t *, char *);
 221 uint32_t svcctl_scm_map_status(const char *);
 222 
 223 /* LOGR service */
 224 #define LOGR_APPLICATION_LOG            "Application"
 225 #define LOGR_SECURITY_LOG               "Security"
 226 #define LOGR_SYSTEM_LOG                 "System"
 227 #define LOGR_NMSGMASK                   1023
 228 #define LOGR_MAXMSGLEN                  800
 229 
 230 typedef struct logr_entry {
 231         struct timeval  le_timestamp;                   /* Time of log entry */
 232         int             le_pri;                         /* Message priority */
 233         char            le_hostname[MAXHOSTNAMELEN];    /* Log hostname */
 234         char            le_msg[LOGR_MAXMSGLEN];         /* Log message text */
 235 } logr_entry_t;
 236 
 237 typedef struct logr_info {
 238         logr_entry_t    li_entry[LOGR_NMSGMASK+1];      /* Array of log entry */
 239         int             li_idx;                         /* Index */
 240 } logr_info_t;
 241 
 242 typedef struct logr_read_data {
 243         int             rd_tot_recnum;          /* Total no. of record read */
 244         int             rd_last_sentrec;        /* Last sentence read */
 245         char            rd_first_read;          /* First sentence read */
 246         logr_info_t     *rd_log;                /* Log information read */
 247 } logr_read_data_t;
 248 
 249 /* This structure provides the context for eventlog calls from clients. */
 250 typedef struct logr_context {
 251         logr_read_data_t *lc_cached_read_data;
 252         char *lc_source_name;
 253 } logr_context_t;
 254 
 255 void logr_init(void);
 256 void logr_fini(void);
 257 boolean_t logr_is_supported(char *);
 258 int logr_get_snapshot(logr_context_t *);
 259 
 260 /* User and Group quotas */
 261 uint32_t smb_quota_query(smb_quota_query_t *, smb_quota_response_t *);
 262 uint32_t smb_quota_set(smb_quota_set_t *);
 263 void smb_quota_free(smb_quota_response_t *);
 264 
 265 uint32_t dfs_get_referrals(const char *, dfs_reftype_t, dfs_info_t *);
 266 void dfs_info_free(dfs_info_t *);
 267 
 268 /*
 269  * The spoolss installable copyfile API.
 270  */
 271 typedef void (*spoolss_copyfile_t)(smb_inaddr_t *, char *, char *, char *);
 272 void spoolss_register_copyfile(spoolss_copyfile_t);
 273 
 274 #ifdef  __cplusplus
 275 }
 276 #endif
 277 
 278 #endif  /* _LIBMLSVC_H */