1 /*****************************************************************************
2 * smb.c: SMB input module
3 *****************************************************************************
4 * Copyright (C) 2001-2009 the VideoLAN team
7 * Authors: Gildas Bazin <gbazin@videolan.org>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
31 #include <vlc_common.h>
33 #include <vlc_plugin.h>
34 #include <vlc_access.h>
40 # ifdef HAVE_SYS_STAT_H
41 # include <sys/stat.h>
44 # define smbc_open(a,b,c) vlc_open(a,b,c)
45 # define smbc_fstat(a,b) _fstati64(a,b)
46 # define smbc_read read
47 # define smbc_lseek _lseeki64
48 # define smbc_close close
50 # include <libsmbclient.h>
55 /*****************************************************************************
57 *****************************************************************************/
58 static int Open ( vlc_object_t
* );
59 static void Close( vlc_object_t
* );
61 #define CACHING_TEXT N_("Caching value in ms")
62 #define CACHING_LONGTEXT N_( \
63 "Caching value for SMB streams. This " \
64 "value should be set in milliseconds." )
65 #define USER_TEXT N_("SMB user name")
66 #define USER_LONGTEXT N_("User name that will " \
67 "be used for the connection.")
68 #define PASS_TEXT N_("SMB password")
69 #define PASS_LONGTEXT N_("Password that will be " \
70 "used for the connection.")
71 #define DOMAIN_TEXT N_("SMB domain")
72 #define DOMAIN_LONGTEXT N_("Domain/Workgroup that " \
73 "will be used for the connection.")
75 #define SMB_HELP N_("Samba (Windows network shares) input")
77 set_shortname( "SMB" )
78 set_description( N_("SMB input") )
80 set_capability( "access", 0 )
81 set_category( CAT_INPUT
)
82 set_subcategory( SUBCAT_INPUT_ACCESS
)
83 add_integer( "smb-caching", 2 * DEFAULT_PTS_DELAY
/ 1000, NULL
,
84 CACHING_TEXT
, CACHING_LONGTEXT
, true )
86 add_string( "smb-user", NULL
, NULL
, USER_TEXT
, USER_LONGTEXT
,
88 add_password( "smb-pwd", NULL
, NULL
, PASS_TEXT
,
89 PASS_LONGTEXT
, false )
90 add_string( "smb-domain", NULL
, NULL
, DOMAIN_TEXT
,
91 DOMAIN_LONGTEXT
, false )
93 set_callbacks( Open
, Close
)
96 /*****************************************************************************
98 *****************************************************************************/
99 static ssize_t
Read( access_t
*, uint8_t *, size_t );
100 static int Seek( access_t
*, uint64_t );
101 static int Control( access_t
*, int, va_list );
109 static void Win32AddConnection( access_t
*, char *, char *, char *, char * );
111 static void smb_auth( const char *srv
, const char *shr
, char *wg
, int wglen
,
112 char *un
, int unlen
, char *pw
, int pwlen
)
122 //wglen = unlen = pwlen = 0;
126 /****************************************************************************
127 * Open: connect to smb server and ask for file
128 ****************************************************************************/
129 static int Open( vlc_object_t
*p_this
)
131 access_t
*p_access
= (access_t
*)p_this
;
133 struct stat filestat
;
134 char *psz_location
, *psz_uri
;
135 char *psz_user
= NULL
, *psz_pwd
= NULL
, *psz_domain
= NULL
;
140 * [[[domain;]user[:password@]]server[/share[/path[/file]]]] */
141 psz_location
= strchr( p_access
->psz_location
, '/' );
144 msg_Err( p_access
, "invalid SMB URI: smb://%s", psz_location
);
149 char *psz_tmp
= strdup( p_access
->psz_location
);
152 psz_tmp
[ psz_location
- p_access
->psz_location
] = 0;
153 psz_location
= p_access
->psz_location
;
154 psz_parser
= strchr( psz_tmp
, '@' );
157 /* User info is there */
159 psz_location
= p_access
->psz_location
+ (psz_parser
- psz_tmp
) + 1;
161 psz_parser
= strchr( psz_tmp
, ':' );
165 psz_pwd
= strdup( psz_parser
+1 );
169 psz_parser
= strchr( psz_tmp
, ';' );
173 *psz_parser
= 0; psz_parser
++;
174 psz_domain
= strdup( psz_tmp
);
176 else psz_parser
= psz_tmp
;
178 psz_user
= strdup( psz_parser
);
185 * smb://[[[domain;]user[:password@]]server[/share[/path[/file]]]] */
187 if( !psz_user
) psz_user
= var_InheritString( p_access
, "smb-user" );
188 if( psz_user
&& !*psz_user
) { free( psz_user
); psz_user
= NULL
; }
189 if( !psz_pwd
) psz_pwd
= var_InheritString( p_access
, "smb-pwd" );
190 if( psz_pwd
&& !*psz_pwd
) { free( psz_pwd
); psz_pwd
= NULL
; }
191 if( !psz_domain
) psz_domain
= var_InheritString( p_access
, "smb-domain" );
192 if( psz_domain
&& !*psz_domain
) { free( psz_domain
); psz_domain
= NULL
; }
196 Win32AddConnection( p_access
, psz_location
, psz_user
, psz_pwd
, psz_domain
);
197 i_ret
= asprintf( &psz_uri
, "//%s", psz_location
);
200 i_ret
= asprintf( &psz_uri
, "smb://%s%s%s%s%s@%s",
201 psz_domain
? psz_domain
: "", psz_domain
? ";" : "",
202 psz_user
, psz_pwd
? ":" : "",
203 psz_pwd
? psz_pwd
: "", psz_location
);
205 i_ret
= asprintf( &psz_uri
, "smb://%s", psz_location
);
216 if( smbc_init( smb_auth
, 0 ) )
224 ** some version of glibc defines open as a macro, causing havoc
225 ** with other macros using 'open' under the hood, such as the
228 #if defined(smbc_open) && defined(open)
231 if( (i_smb
= smbc_open( psz_uri
, O_RDONLY
, 0 )) < 0 )
233 msg_Err( p_access
, "open failed for '%s' (%m)",
234 p_access
->psz_location
);
240 STANDARD_READ_ACCESS_INIT
;
242 i_ret
= smbc_fstat( i_smb
, &filestat
);
246 msg_Err( p_access
, "stat failed (%m)" );
249 p_access
->info
.i_size
= filestat
.st_size
;
253 p_sys
->i_smb
= i_smb
;
255 /* Update default_pts to a suitable value for smb access */
256 var_Create( p_access
, "smb-caching", VLC_VAR_INTEGER
| VLC_VAR_DOINHERIT
);
261 /*****************************************************************************
262 * Close: free unused data structures
263 *****************************************************************************/
264 static void Close( vlc_object_t
*p_this
)
266 access_t
*p_access
= (access_t
*)p_this
;
267 access_sys_t
*p_sys
= p_access
->p_sys
;
269 smbc_close( p_sys
->i_smb
);
273 /*****************************************************************************
274 * Seek: try to go at the right place
275 *****************************************************************************/
276 static int Seek( access_t
*p_access
, uint64_t i_pos
)
278 access_sys_t
*p_sys
= p_access
->p_sys
;
281 if( i_pos
>= INT64_MAX
)
284 msg_Dbg( p_access
, "seeking to %"PRId64
, i_pos
);
286 i_ret
= smbc_lseek( p_sys
->i_smb
, i_pos
, SEEK_SET
);
289 msg_Err( p_access
, "seek failed (%m)" );
293 p_access
->info
.b_eof
= false;
294 p_access
->info
.i_pos
= i_ret
;
299 /*****************************************************************************
301 *****************************************************************************/
302 static ssize_t
Read( access_t
*p_access
, uint8_t *p_buffer
, size_t i_len
)
304 access_sys_t
*p_sys
= p_access
->p_sys
;
307 if( p_access
->info
.b_eof
) return 0;
309 i_read
= smbc_read( p_sys
->i_smb
, p_buffer
, i_len
);
312 msg_Err( p_access
, "read failed (%m)" );
316 if( i_read
== 0 ) p_access
->info
.b_eof
= true;
317 else if( i_read
> 0 ) p_access
->info
.i_pos
+= i_read
;
322 /*****************************************************************************
324 *****************************************************************************/
325 static int Control( access_t
*p_access
, int i_query
, va_list args
)
329 case ACCESS_CAN_SEEK
:
330 case ACCESS_CAN_FASTSEEK
:
331 case ACCESS_CAN_PAUSE
:
332 case ACCESS_CAN_CONTROL_PACE
:
333 *va_arg( args
, bool* ) = true;
336 case ACCESS_GET_PTS_DELAY
:
337 *va_arg( args
, int64_t * )
338 = var_GetInteger( p_access
, "smb-caching" ) * 1000;
341 case ACCESS_SET_PAUSE_STATE
:
345 case ACCESS_GET_TITLE_INFO
:
346 case ACCESS_SET_TITLE
:
347 case ACCESS_SET_SEEKPOINT
:
348 case ACCESS_SET_PRIVATE_ID_STATE
:
349 case ACCESS_GET_CONTENT_TYPE
:
353 msg_Warn( p_access
, "unimplemented query in control" );
362 static void Win32AddConnection( access_t
*p_access
, char *psz_path
,
363 char *psz_user
, char *psz_pwd
,
366 DWORD (*OurWNetAddConnection2
)( LPNETRESOURCE
, LPCTSTR
, LPCTSTR
, DWORD
);
367 char psz_remote
[MAX_PATH
], psz_server
[MAX_PATH
], psz_share
[MAX_PATH
];
368 NETRESOURCE net_resource
;
371 VLC_UNUSED( psz_domain
);
373 HINSTANCE hdll
= LoadLibrary(_T("MPR.DLL"));
376 msg_Warn( p_access
, "couldn't load mpr.dll" );
380 OurWNetAddConnection2
=
381 (void *)GetProcAddress( hdll
, _T("WNetAddConnection2A") );
382 if( !OurWNetAddConnection2
)
384 msg_Warn( p_access
, "couldn't find WNetAddConnection2 in mpr.dll" );
388 memset( &net_resource
, 0, sizeof(net_resource
) );
389 net_resource
.dwType
= RESOURCETYPE_DISK
;
391 /* Find out server and share names */
392 strlcpy( psz_server
, psz_path
, sizeof( psz_server
) );
394 psz_parser
= strchr( psz_path
, '/' );
397 char *psz_parser2
= strchr( ++psz_parser
, '/' );
399 strlcpy( psz_share
, psz_parser
, sizeof( psz_share
) );
402 snprintf( psz_remote
, sizeof( psz_remote
), "\\\\%s\\%s", psz_server
, psz_share
);
403 net_resource
.lpRemoteName
= psz_remote
;
405 i_result
= OurWNetAddConnection2( &net_resource
, psz_pwd
, psz_user
, 0 );
407 if( i_result
!= NO_ERROR
)
409 msg_Dbg( p_access
, "connected to %s", psz_remote
);
411 else if( i_result
!= ERROR_ALREADY_ASSIGNED
&&
412 i_result
!= ERROR_DEVICE_ALREADY_REMEMBERED
)
414 msg_Dbg( p_access
, "already connected to %s", psz_remote
);
418 msg_Dbg( p_access
, "failed to connect to %s", psz_remote
);