1 /*****************************************************************************
2 * smb.c: SMB input module
3 *****************************************************************************
4 * Copyright (C) 2001-2004 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 *****************************************************************************/
34 #include <vlc_access.h>
40 # ifdef HAVE_SYS_STAT_H
41 # include <sys/stat.h>
44 # define smbc_open(a,b,c) open(a,b,c)
45 # define stat _stati64
46 # define smbc_fstat(a,b) _fstati64(a,b)
47 # define smbc_read read
48 # define smbc_lseek _lseeki64
49 # define smbc_close close
51 # include <libsmbclient.h>
57 /*****************************************************************************
59 *****************************************************************************/
60 static int Open ( vlc_object_t * );
61 static void Close( vlc_object_t * );
63 #define CACHING_TEXT N_("Caching value in ms")
64 #define CACHING_LONGTEXT N_( \
65 "Caching value for SMB streams. This " \
66 "value should be set in milliseconds." )
67 #define USER_TEXT N_("SMB user name")
68 #define USER_LONGTEXT N_("User name that will " \
69 "be used for the connection.")
70 #define PASS_TEXT N_("SMB password")
71 #define PASS_LONGTEXT N_("Password that will be " \
72 "used for the connection.")
73 #define DOMAIN_TEXT N_("SMB domain")
74 #define DOMAIN_LONGTEXT N_("Domain/Workgroup that " \
75 "will be used for the connection.")
78 set_shortname( "SMB" );
79 set_description( _("SMB input") );
80 set_capability( "access2", 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, VLC_TRUE );
85 add_string( "smb-user", NULL, NULL, USER_TEXT, USER_LONGTEXT,
87 add_string( "smb-pwd", NULL, NULL, PASS_TEXT,
88 PASS_LONGTEXT, VLC_FALSE );
89 add_string( "smb-domain", NULL, NULL, DOMAIN_TEXT,
90 DOMAIN_LONGTEXT, VLC_FALSE );
91 add_shortcut( "smb" );
92 set_callbacks( Open, Close );
95 /*****************************************************************************
97 *****************************************************************************/
98 static ssize_t Read( access_t *, uint8_t *, size_t );
99 static int Seek( access_t *, int64_t );
100 static int Control( access_t *, int, va_list );
113 static void Win32AddConnection( access_t *, char *, char *, char *, char * );
116 static void smb_auth( const char *srv, const char *shr, char *wg, int wglen,
117 char *un, int unlen, char *pw, int pwlen )
119 //wglen = unlen = pwlen = 0;
122 /****************************************************************************
123 * Open: connect to smb server and ask for file
124 ****************************************************************************/
125 static int Open( vlc_object_t *p_this )
127 access_t *p_access = (access_t*)p_this;
129 struct stat filestat;
130 char *psz_path, *psz_uri;
131 char *psz_user = 0, *psz_pwd = 0, *psz_domain = 0;
142 * [[[domain;]user[:password@]]server[/share[/path[/file]]]] */
144 psz_path = strchr( p_access->psz_path, '/' );
147 msg_Err( p_access, "invalid SMB URI: smb://%s", psz_path );
152 char *psz_tmp = strdup( p_access->psz_path );
155 psz_tmp[ psz_path - p_access->psz_path ] = 0;
156 psz_path = p_access->psz_path;
157 psz_parser = strchr( psz_tmp, '@' );
160 /* User info is there */
162 psz_path = p_access->psz_path + (psz_parser - psz_tmp) + 1;
164 psz_parser = strchr( psz_tmp, ':' );
168 psz_pwd = strdup( psz_parser+1 );
172 psz_parser = strchr( psz_tmp, ';' );
176 *psz_parser = 0; psz_parser++;
177 psz_domain = strdup( psz_tmp );
179 else psz_parser = psz_tmp;
181 psz_user = strdup( psz_parser );
188 * smb://[[[domain;]user[:password@]]server[/share[/path[/file]]]] */
190 if( !psz_user ) psz_user = var_CreateGetString( p_access, "smb-user" );
191 if( !*psz_user ) { free( psz_user ); psz_user = 0; }
192 if( !psz_pwd ) psz_pwd = var_CreateGetString( p_access, "smb-pwd" );
193 if( !*psz_pwd ) { free( psz_pwd ); psz_pwd = 0; }
194 if(!psz_domain) psz_domain = var_CreateGetString( p_access, "smb-domain" );
195 if( !*psz_domain ) { free( psz_domain ); psz_domain = 0; }
199 Win32AddConnection( p_access, psz_path, psz_user, psz_pwd, psz_domain);
200 asprintf( &psz_uri, "//%s", psz_path );
203 asprintf( &psz_uri, "smb://%s%s%s%s%s@%s",
204 psz_domain ? psz_domain : "", psz_domain ? ";" : "",
205 psz_user, psz_pwd ? ":" : "",
206 psz_pwd ? psz_pwd : "", psz_path );
208 asprintf( &psz_uri, "smb://%s", psz_path );
216 if( !(p_smb = smbc_new_context()) )
218 msg_Err( p_access, "out of memory" );
223 p_smb->callbacks.auth_fn = smb_auth;
225 if( !smbc_init_context( p_smb ) )
227 msg_Err( p_access, "cannot initialize context (%m)" );
228 smbc_free_context( p_smb, 1 );
233 if( !(p_file = (p_smb->open)( p_smb, psz_uri, O_RDONLY, 0 )) )
235 msg_Err( p_access, "open failed for '%s' (%m)",
236 p_access->psz_path );
237 smbc_free_context( p_smb, 1 );
243 STANDARD_READ_ACCESS_INIT;
245 i_ret = p_smb->fstat( p_smb, p_file, &filestat );
246 if( i_ret ) msg_Err( p_access, "stat failed (%m)" );
247 else p_access->info.i_size = filestat.st_size;
251 if( smbc_init( smb_auth, 1 ) )
259 ** some version of glibc defines open as a macro, causing havoc
260 ** with other macros using 'open' under the hood, such as the
263 #if defined(smbc_open) && defined(open)
266 if( (i_smb = smbc_open( psz_uri, O_RDONLY, 0 )) < 0 )
268 msg_Err( p_access, "open failed for '%s' (%m)",
269 p_access->psz_path );
275 STANDARD_READ_ACCESS_INIT;
277 i_ret = smbc_fstat( i_smb, &filestat );
281 msg_Err( p_access, "stat failed (%m)" );
283 else p_access->info.i_size = filestat.st_size;
289 p_sys->p_smb = p_smb;
290 p_sys->p_file = p_file;
292 p_sys->i_smb = i_smb;
295 /* Update default_pts to a suitable value for smb access */
296 var_Create( p_access, "smb-caching", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
301 /*****************************************************************************
302 * Close: free unused data structures
303 *****************************************************************************/
304 static void Close( vlc_object_t *p_this )
306 access_t *p_access = (access_t*)p_this;
307 access_sys_t *p_sys = p_access->p_sys;
310 # ifndef HAVE__SMBCCTX_CLOSE_FN
311 p_sys->p_smb->close( p_sys->p_smb, p_sys->p_file );
313 p_sys->p_smb->close_fn( p_sys->p_smb, p_sys->p_file );
315 smbc_free_context( p_sys->p_smb, 1 );
317 smbc_close( p_sys->i_smb );
323 /*****************************************************************************
324 * Seek: try to go at the right place
325 *****************************************************************************/
326 static int Seek( access_t *p_access, int64_t i_pos )
328 access_sys_t *p_sys = p_access->p_sys;
331 if( i_pos < 0 ) return VLC_EGENERIC;
333 msg_Dbg( p_access, "seeking to "I64Fd, i_pos );
336 i_ret = p_sys->p_smb->lseek(p_sys->p_smb, p_sys->p_file, i_pos, SEEK_SET);
338 i_ret = smbc_lseek( p_sys->i_smb, i_pos, SEEK_SET );
342 msg_Err( p_access, "seek failed (%m)" );
346 p_access->info.b_eof = VLC_FALSE;
347 p_access->info.i_pos = i_ret;
352 /*****************************************************************************
354 *****************************************************************************/
355 static ssize_t Read( access_t *p_access, uint8_t *p_buffer, size_t i_len )
357 access_sys_t *p_sys = p_access->p_sys;
360 if( p_access->info.b_eof ) return 0;
363 i_read = p_sys->p_smb->read(p_sys->p_smb, p_sys->p_file, p_buffer, i_len);
365 i_read = smbc_read( p_sys->i_smb, p_buffer, i_len );
369 msg_Err( p_access, "read failed (%m)" );
373 if( i_read == 0 ) p_access->info.b_eof = VLC_TRUE;
374 else if( i_read > 0 ) p_access->info.i_pos += i_read;
379 /*****************************************************************************
381 *****************************************************************************/
382 static int Control( access_t *p_access, int i_query, va_list args )
390 case ACCESS_CAN_SEEK:
391 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
394 case ACCESS_CAN_FASTSEEK:
395 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
398 case ACCESS_CAN_PAUSE:
399 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
402 case ACCESS_CAN_CONTROL_PACE:
403 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
408 pi_int = (int*)va_arg( args, int * );
412 case ACCESS_GET_PTS_DELAY:
413 pi_64 = (int64_t*)va_arg( args, int64_t * );
414 *pi_64 = (int64_t)var_GetInteger( p_access, "smb-caching" ) * 1000;
417 case ACCESS_SET_PAUSE_STATE:
421 case ACCESS_GET_TITLE_INFO:
422 case ACCESS_SET_TITLE:
423 case ACCESS_SET_SEEKPOINT:
424 case ACCESS_SET_PRIVATE_ID_STATE:
425 case ACCESS_GET_CONTENT_TYPE:
429 msg_Warn( p_access, "unimplemented query in control" );
438 static void Win32AddConnection( access_t *p_access, char *psz_path,
439 char *psz_user, char *psz_pwd,
442 DWORD (*OurWNetAddConnection2)( LPNETRESOURCE, LPCTSTR, LPCTSTR, DWORD );
443 char psz_remote[MAX_PATH], psz_server[MAX_PATH], psz_share[MAX_PATH];
444 NETRESOURCE net_resource;
448 HINSTANCE hdll = LoadLibrary(_T("MPR.DLL"));
451 msg_Warn( p_access, "couldn't load mpr.dll" );
455 OurWNetAddConnection2 =
456 (void *)GetProcAddress( hdll, _T("WNetAddConnection2A") );
457 if( !OurWNetAddConnection2 )
459 msg_Warn( p_access, "couldn't find WNetAddConnection2 in mpr.dll" );
463 memset( &net_resource, 0, sizeof(net_resource) );
464 net_resource.dwType = RESOURCETYPE_DISK;
466 /* Find out server and share names */
467 strlcpy( psz_server, psz_path, sizeof( psz_server ) );
469 psz_parser = strchr( psz_path, '/' );
472 char *psz_parser2 = strchr( ++psz_parser, '/' );
474 strlcpy( psz_share, psz_parser, sizeof( psz_share ) );
477 sprintf( psz_remote, "\\\\%s\\%s", psz_server, psz_share );
478 net_resource.lpRemoteName = psz_remote;
480 i_result = OurWNetAddConnection2( &net_resource, psz_pwd, psz_user, 0 );
482 if( i_result != NO_ERROR )
484 msg_Dbg( p_access, "connected to %s", psz_remote );
486 else if( i_result != ERROR_ALREADY_ASSIGNED &&
487 i_result != ERROR_DEVICE_ALREADY_REMEMBERED )
489 msg_Dbg( p_access, "already connected to %s", psz_remote );
493 msg_Dbg( p_access, "failed to connect to %s", psz_remote );