| 1 |
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| 2 | /*
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| 3 | * Unix SMB/CIFS implementation.
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| 4 | * MS-RPC client library implementation
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| 5 | * Copyright (C) Chris Nicholls 2005.
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| 6 | *
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| 7 | * This program is free software; you can redistribute it and/or modify
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| 8 | * it under the terms of the GNU General Public License as published by
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| 9 | * the Free Software Foundation; either version 2 of the License, or
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| 10 | * (at your option) any later version.
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| 11 | *
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| 12 | * This program is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | * GNU General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License
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| 18 | * along with this program; if not, write to the Free Software
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| 19 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 20 | */
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| 21 |
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| 22 | #include "libmsrpc.h"
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| 23 | #include "libmsrpc_internal.h"
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| 24 | #include "libsmbclient.h"
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| 25 | #include "libsmb_internal.h"
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| 26 |
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| 27 | int cac_InitHandleData( CacServerHandle * hnd );
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| 28 |
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| 29 | /*this function is based on code found in smbc_init_context() (libsmb/libsmbclient.c)*/
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| 30 | void cac_Init( int debug )
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| 31 | {
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| 32 | if ( debug < 0 || debug > 99 )
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| 33 | debug = 0;
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| 34 |
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| 35 | DEBUGLEVEL = debug;
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| 36 |
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| 37 | setup_logging( "libmsrpc", True );
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| 38 | }
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| 39 |
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| 40 | int cac_InitHandleMem( CacServerHandle * hnd )
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| 41 | {
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| 42 | hnd->username = SMB_MALLOC_ARRAY( char, sizeof( fstring ) );
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| 43 |
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| 44 | if ( !hnd->username )
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| 45 | return CAC_FAILURE;
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| 46 |
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| 47 | hnd->username[0] = '\0';
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| 48 |
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| 49 | hnd->domain = SMB_MALLOC_ARRAY( char, sizeof( fstring ) );
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| 50 | if ( !hnd->domain )
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| 51 | return CAC_FAILURE;
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| 52 |
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| 53 | hnd->domain[0] = '\0';
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| 54 |
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| 55 | hnd->netbios_name = SMB_MALLOC_ARRAY( char, sizeof( fstring ) );
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| 56 | if ( !hnd->netbios_name )
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| 57 | return CAC_FAILURE;
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| 58 |
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| 59 | hnd->netbios_name[0] = '\0';
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| 60 |
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| 61 | hnd->password = SMB_MALLOC_ARRAY( char, sizeof( fstring ) );
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| 62 | if ( !hnd->password )
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| 63 | return CAC_FAILURE;
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| 64 |
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| 65 | hnd->password[0] = '\0';
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| 66 |
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| 67 | hnd->server = SMB_MALLOC_ARRAY( char, sizeof( fstring ) );
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| 68 | if ( !hnd->server )
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| 69 | return CAC_FAILURE;
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| 70 |
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| 71 | hnd->server[0] = '\0';
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| 72 |
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| 73 | return CAC_SUCCESS;
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| 74 | }
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| 75 |
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| 76 | CacServerHandle *cac_NewServerHandle( BOOL allocate_fields )
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| 77 | {
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| 78 | CacServerHandle *hnd;
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| 79 |
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| 80 | hnd = SMB_MALLOC_P( CacServerHandle );
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| 81 |
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| 82 | if ( !hnd ) {
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| 83 | errno = ENOMEM;
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| 84 | return NULL;
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| 85 | }
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| 86 |
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| 87 | ZERO_STRUCTP( hnd );
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| 88 |
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| 89 | if ( allocate_fields == True ) {
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| 90 | if ( !cac_InitHandleMem( hnd ) ) {
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| 91 | SAFE_FREE( hnd );
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| 92 | return NULL;
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| 93 | }
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| 94 | }
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| 95 |
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| 96 | hnd->_internal.ctx = smbc_new_context( );
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| 97 | if ( !hnd->_internal.ctx ) {
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| 98 | cac_FreeHandle( hnd );
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| 99 | return NULL;
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| 100 | }
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| 101 |
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| 102 | hnd->_internal.ctx->callbacks.auth_fn = cac_GetAuthDataFn;
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| 103 |
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| 104 | /*add defaults */
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| 105 | hnd->debug = 0;
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| 106 |
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| 107 | /*start at the highest and it will fall down after trying the functions */
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| 108 | hnd->_internal.srv_level = SRV_WIN_2K3;
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| 109 |
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| 110 | hnd->_internal.user_supplied_ctx = False;
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| 111 |
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| 112 | return hnd;
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| 113 | }
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| 114 |
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| 115 | int cac_InitHandleData( CacServerHandle * hnd )
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| 116 | {
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| 117 | /*store any automatically initialized values */
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| 118 | if ( !hnd->netbios_name ) {
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| 119 | hnd->netbios_name =
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| 120 | SMB_STRDUP( hnd->_internal.ctx->netbios_name );
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| 121 | } else if ( hnd->netbios_name[0] == '\0' ) {
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| 122 | strncpy( hnd->netbios_name, hnd->_internal.ctx->netbios_name,
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| 123 | sizeof( fstring ) );
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| 124 | }
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| 125 |
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| 126 | if ( !hnd->username ) {
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| 127 | hnd->username = SMB_STRDUP( hnd->_internal.ctx->user );
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| 128 | } else if ( hnd->username[0] == '\0' ) {
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| 129 | strncpy( hnd->username, hnd->_internal.ctx->user,
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| 130 | sizeof( fstring ) );
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| 131 | }
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| 132 |
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| 133 | if ( !hnd->domain ) {
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| 134 | hnd->domain = SMB_STRDUP( hnd->_internal.ctx->workgroup );
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| 135 | } else if ( hnd->domain[0] == '\0' ) {
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| 136 | strncpy( hnd->domain, hnd->_internal.ctx->workgroup,
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| 137 | sizeof( fstring ) );
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| 138 | }
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| 139 |
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| 140 | return CAC_SUCCESS;
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| 141 | }
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| 142 |
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| 143 | void cac_SetAuthDataFn( CacServerHandle * hnd, smbc_get_auth_data_fn auth_fn )
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| 144 | {
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| 145 | hnd->_internal.ctx->callbacks.auth_fn = auth_fn;
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| 146 | }
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| 147 |
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| 148 | void cac_SetSmbcContext( CacServerHandle * hnd, SMBCCTX * ctx )
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| 149 | {
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| 150 |
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| 151 | SAFE_FREE( hnd->_internal.ctx );
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| 152 |
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| 153 | hnd->_internal.user_supplied_ctx = True;
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| 154 |
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| 155 | hnd->_internal.ctx = ctx;
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| 156 |
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| 157 | /*_try_ to avoid any problems that might occur if cac_Connect() isn't called*/
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| 158 | /*cac_InitHandleData(hnd); */
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| 159 | }
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| 160 |
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| 161 | /*used internally*/
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| 162 | SMBCSRV *cac_GetServer( CacServerHandle * hnd )
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| 163 | {
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| 164 | SMBCSRV *srv;
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| 165 |
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| 166 | if ( !hnd || !hnd->_internal.ctx ) {
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| 167 | return NULL;
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| 168 | }
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| 169 |
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| 170 | srv = smbc_attr_server( hnd->_internal.ctx, hnd->server, "IPC$",
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| 171 | hnd->domain, hnd->username, hnd->password,
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| 172 | NULL );
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| 173 | if ( !srv ) {
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| 174 | hnd->status = NT_STATUS_UNSUCCESSFUL;
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| 175 | DEBUG( 1,
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| 176 | ( "cac_GetServer: Could not find server connection.\n" ) );
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| 177 | }
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| 178 |
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| 179 | return srv;
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| 180 | }
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| 181 |
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| 182 |
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| 183 | int cac_Connect( CacServerHandle * hnd, const char *srv )
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| 184 | {
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| 185 | if ( !hnd ) {
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| 186 | return CAC_FAILURE;
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| 187 | }
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| 188 |
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| 189 | /*these values should be initialized by the user */
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| 190 | if ( !hnd->server && !srv ) {
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| 191 | return CAC_FAILURE;
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| 192 | }
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| 193 |
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| 194 |
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| 195 | /*change the server name in the server handle if necessary */
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| 196 | if ( srv && hnd->server && strcmp( hnd->server, srv ) == 0 ) {
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| 197 | SAFE_FREE( hnd->server );
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| 198 | hnd->server = SMB_STRDUP( srv );
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| 199 | }
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| 200 |
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| 201 |
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| 202 | /*first see if the context has already been setup */
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| 203 | if ( !( hnd->_internal.ctx->internal->_initialized ) ) {
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| 204 | hnd->_internal.ctx->debug = hnd->debug;
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| 205 |
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| 206 | /*initialize the context */
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| 207 | if ( !smbc_init_context( hnd->_internal.ctx ) ) {
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| 208 | return CAC_FAILURE;
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| 209 | }
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| 210 | }
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| 211 |
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| 212 | /*copy any uninitialized values out of the smbc context into the handle */
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| 213 | if ( !cac_InitHandleData( hnd ) ) {
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| 214 | return CAC_FAILURE;
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| 215 | }
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| 216 |
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| 217 | DEBUG( 3, ( "cac_Connect: Username: %s\n", hnd->username ) );
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| 218 | DEBUG( 3, ( "cac_Connect: Domain: %s\n", hnd->domain ) );
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| 219 | DEBUG( 3, ( "cac_Connect: Netbios Name: %s\n", hnd->netbios_name ) );
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| 220 |
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| 221 | if ( !cac_GetServer( hnd ) ) {
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| 222 | return CAC_FAILURE;
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| 223 | }
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| 224 |
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| 225 | return CAC_SUCCESS;
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| 226 |
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| 227 | }
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| 228 |
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| 229 |
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| 230 | void cac_FreeHandle( CacServerHandle * hnd )
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| 231 | {
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| 232 | if ( !hnd )
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| 233 | return;
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| 234 |
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| 235 | /*only free the context if we created it */
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| 236 | if ( !hnd->_internal.user_supplied_ctx ) {
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| 237 | smbc_free_context( hnd->_internal.ctx, True );
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| 238 | }
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| 239 |
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| 240 | SAFE_FREE( hnd->netbios_name );
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| 241 | SAFE_FREE( hnd->domain );
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| 242 | SAFE_FREE( hnd->username );
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| 243 | SAFE_FREE( hnd->password );
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| 244 | SAFE_FREE( hnd->server );
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| 245 | SAFE_FREE( hnd );
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| 246 |
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| 247 | }
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| 248 |
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| 249 | void cac_InitCacTime( CacTime * cactime, NTTIME nttime )
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| 250 | {
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| 251 | float high, low;
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| 252 | uint32 sec;
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| 253 |
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| 254 | if ( !cactime )
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| 255 | return;
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| 256 |
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| 257 | ZERO_STRUCTP( cactime );
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| 258 |
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| 259 | /*this code is taken from display_time() found in rpcclient/cmd_samr.c */
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| 260 | if ( nttime == 0 )
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| 261 | return;
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| 262 |
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| 263 | if ( nttime == 0x80000000000000LL )
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| 264 | return;
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| 265 |
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| 266 | high = 65536;
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| 267 | high = high / 10000;
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| 268 | high = high * 65536;
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| 269 | high = high / 1000;
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| 270 | high = high * ( ~( nttime >> 32 ) );
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| 271 |
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| 272 | low = ~( nttime & 0xFFFFFFFF );
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| 273 | low = low / ( 1000 * 1000 * 10 );
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| 274 |
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| 275 | sec = high + low;
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| 276 |
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| 277 | cactime->days = sec / ( 60 * 60 * 24 );
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| 278 | cactime->hours =
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| 279 | ( sec - ( cactime->days * 60 * 60 * 24 ) ) / ( 60 * 60 );
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| 280 | cactime->minutes =
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| 281 | ( sec - ( cactime->days * 60 * 60 * 24 ) -
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| 282 | ( cactime->hours * 60 * 60 ) ) / 60;
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| 283 | cactime->seconds =
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| 284 | sec - ( cactime->days * 60 * 60 * 24 ) -
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| 285 | ( cactime->hours * 60 * 60 ) - ( cactime->minutes * 60 );
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| 286 | }
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| 287 |
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| 288 | void cac_GetAuthDataFn( const char *pServer,
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| 289 | const char *pShare,
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| 290 | char *pWorkgroup,
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| 291 | int maxLenWorkgroup,
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| 292 | char *pUsername,
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| 293 | int maxLenUsername,
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| 294 | char *pPassword, int maxLenPassword )
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| 295 | {
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| 296 | char temp[sizeof( fstring )];
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| 297 |
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| 298 | static char authUsername[sizeof( fstring )];
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| 299 | static char authWorkgroup[sizeof( fstring )];
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| 300 | static char authPassword[sizeof( fstring )];
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| 301 | static char authSet = 0;
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| 302 |
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| 303 | char *pass = NULL;
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| 304 |
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| 305 |
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| 306 | if ( authSet ) {
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| 307 | strncpy( pWorkgroup, authWorkgroup, maxLenWorkgroup - 1 );
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| 308 | strncpy( pUsername, authUsername, maxLenUsername - 1 );
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| 309 | strncpy( pPassword, authPassword, maxLenPassword - 1 );
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| 310 | } else {
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| 311 | d_printf( "Domain: [%s] ", pWorkgroup );
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| 312 | fgets( temp, sizeof( fstring ), stdin );
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| 313 |
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| 314 | if ( temp[strlen( temp ) - 1] == '\n' ) { /* A new line? */
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| 315 | temp[strlen( temp ) - 1] = '\0';
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| 316 | }
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| 317 |
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| 318 |
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| 319 | if ( temp[0] != '\0' ) {
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| 320 | strncpy( pWorkgroup, temp, maxLenWorkgroup - 1 );
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| 321 | strncpy( authWorkgroup, temp, maxLenWorkgroup - 1 );
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| 322 | }
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| 323 |
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| 324 | d_printf( "Username: [%s] ", pUsername );
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| 325 | fgets( temp, sizeof( fstring ), stdin );
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| 326 |
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| 327 | if ( temp[strlen( temp ) - 1] == '\n' ) { /* A new line? */
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| 328 | temp[strlen( temp ) - 1] = '\0';
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| 329 | }
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| 330 |
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| 331 | if ( temp[0] != '\0' ) {
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| 332 | strncpy( pUsername, temp, maxLenUsername - 1 );
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| 333 | strncpy( authUsername, pUsername,
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| 334 | maxLenUsername - 1 );
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| 335 | }
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| 336 |
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| 337 | pass = getpass( "Password: " );
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| 338 | if ( pass )
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| 339 | fstrcpy( temp, pass );
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| 340 | if ( temp[strlen( temp ) - 1] == '\n' ) { /* A new line? */
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| 341 | temp[strlen( temp ) - 1] = '\0';
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| 342 | }
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| 343 | if ( temp[0] != '\0' ) {
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| 344 | strncpy( pPassword, temp, maxLenPassword - 1 );
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| 345 | strncpy( authPassword, pPassword,
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| 346 | maxLenPassword - 1 );
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| 347 | }
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| 348 | authSet = 1;
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| 349 | }
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| 350 | }
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