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 *****************************************************************************/
31 #include <vlc_access.h>
37 # ifdef HAVE_SYS_STAT_H
38 # include <sys/stat.h>
41 # define smbc_open(a,b,c) open(a,b,c)
42 # define stat _stati64
43 # define smbc_fstat(a,b) _fstati64(a,b)
44 # define smbc_read read
45 # define smbc_lseek _lseeki64
46 # define smbc_close close
48 # include <libsmbclient.h>
54 /*****************************************************************************
56 *****************************************************************************/
57 static int Open ( vlc_object_t * );
58 static void Close( vlc_object_t * );
60 #define CACHING_TEXT N_("Caching value in ms")
61 #define CACHING_LONGTEXT N_( \
62 "Caching value for SMB streams. This " \
63 "value should be set in milliseconds." )
64 #define USER_TEXT N_("SMB user name")
65 #define USER_LONGTEXT N_("User name that will " \
66 "be used for the connection.")
67 #define PASS_TEXT N_("SMB password")
68 #define PASS_LONGTEXT N_("Password that will be " \
69 "used for the connection.")
70 #define DOMAIN_TEXT N_("SMB domain")
71 #define DOMAIN_LONGTEXT N_("Domain/Workgroup that " \
72 "will be used for the connection.")
75 set_shortname( "SMB" );
76 set_description( _("SMB input") );
77 set_capability( "access2", 0 );
78 set_category( CAT_INPUT );
79 set_subcategory( SUBCAT_INPUT_ACCESS );
80 add_integer( "smb-caching", 2 * DEFAULT_PTS_DELAY / 1000, NULL,
81 CACHING_TEXT, CACHING_LONGTEXT, VLC_TRUE );
82 add_string( "smb-user", NULL, NULL, USER_TEXT, USER_LONGTEXT,
84 add_string( "smb-pwd", NULL, NULL, PASS_TEXT,
85 PASS_LONGTEXT, VLC_FALSE );
86 add_string( "smb-domain", NULL, NULL, DOMAIN_TEXT,
87 DOMAIN_LONGTEXT, VLC_FALSE );
88 add_shortcut( "smb" );
89 set_callbacks( Open, Close );
92 /*****************************************************************************
94 *****************************************************************************/
95 static int Read( access_t *, uint8_t *, int );
96 static int Seek( access_t *, int64_t );
97 static int Control( access_t *, int, va_list );
110 static void Win32AddConnection( access_t *, char *, char *, char *, char * );
113 void smb_auth( const char *srv, const char *shr, char *wg, int wglen,
114 char *un, int unlen, char *pw, int pwlen )
116 //wglen = unlen = pwlen = 0;
119 /****************************************************************************
120 * Open: connect to smb server and ask for file
121 ****************************************************************************/
122 static int Open( vlc_object_t *p_this )
124 access_t *p_access = (access_t*)p_this;
126 struct stat filestat;
127 char *psz_path, *psz_uri;
128 char *psz_user = 0, *psz_pwd = 0, *psz_domain = 0;
139 * [[[domain;]user[:password@]]server[/share[/path[/file]]]] */
141 psz_path = strchr( p_access->psz_path, '/' );
144 msg_Err( p_access, "invalid SMB URI: smb://%s", psz_path );
149 char *psz_tmp = strdup( p_access->psz_path );
152 psz_tmp[ psz_path - p_access->psz_path ] = 0;
153 psz_path = p_access->psz_path;
154 psz_parser = strchr( psz_tmp, '@' );
157 /* User info is there */
159 psz_path = p_access->psz_path + (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_CreateGetString( p_access, "smb-user" );
188 if( psz_user && !*psz_user ) { free( psz_user ); psz_user = 0; }
189 if( !psz_pwd ) psz_pwd = var_CreateGetString( p_access, "smb-pwd" );
190 if( psz_pwd && !*psz_pwd ) { free( psz_pwd ); psz_pwd = 0; }
191 if(!psz_domain) psz_domain = var_CreateGetString( p_access, "smb-domain" );
192 if( psz_domain && !*psz_domain ) { free( psz_domain ); psz_domain = 0; }
196 Win32AddConnection( p_access, psz_path, psz_user, psz_pwd, psz_domain);
197 asprintf( &psz_uri, "//%s", psz_path );
200 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_path );
205 asprintf( &psz_uri, "smb://%s", psz_path );
208 if( psz_user ) free( psz_user );
209 if( psz_pwd ) free( psz_pwd );
210 if( psz_domain ) free( psz_domain );
213 if( !(p_smb = smbc_new_context()) )
215 msg_Err( p_access, "out of memory" );
220 p_smb->callbacks.auth_fn = smb_auth;
222 if( !smbc_init_context( p_smb ) )
224 msg_Err( p_access, "cannot initialize context (%s)", strerror(errno) );
225 smbc_free_context( p_smb, 1 );
230 if( !(p_file = p_smb->open( p_smb, psz_uri, O_RDONLY, 0 )) )
232 msg_Err( p_access, "open failed for '%s' (%s)",
233 p_access->psz_path, strerror(errno) );
234 smbc_free_context( p_smb, 1 );
240 STANDARD_READ_ACCESS_INIT;
242 i_ret = p_smb->fstat( p_smb, p_file, &filestat );
243 if( i_ret ) msg_Err( p_access, "stat failed (%s)", strerror(errno) );
244 else p_access->info.i_size = filestat.st_size;
248 if( smbc_init( smb_auth, 1 ) )
255 if( (i_smb = smbc_open( psz_uri, O_RDONLY, 0 )) < 0 )
257 msg_Err( p_access, "open failed for '%s' (%s)",
258 p_access->psz_path, strerror(errno) );
264 STANDARD_READ_ACCESS_INIT;
266 i_ret = smbc_fstat( i_smb, &filestat );
267 if( i_ret ) msg_Err( p_access, "stat failed (%s)", strerror(i_ret) );
268 else p_access->info.i_size = filestat.st_size;
274 p_sys->p_smb = p_smb;
275 p_sys->p_file = p_file;
277 p_sys->i_smb = i_smb;
280 /* Update default_pts to a suitable value for smb access */
281 var_Create( p_access, "smb-caching", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
286 /*****************************************************************************
287 * Close: free unused data structures
288 *****************************************************************************/
289 static void Close( vlc_object_t *p_this )
291 access_t *p_access = (access_t*)p_this;
292 access_sys_t *p_sys = p_access->p_sys;
295 # ifndef HAVE__SMBCCTX_CLOSE_FN
296 p_sys->p_smb->close( p_sys->p_smb, p_sys->p_file );
298 p_sys->p_smb->close_fn( p_sys->p_smb, p_sys->p_file );
300 smbc_free_context( p_sys->p_smb, 1 );
302 smbc_close( p_sys->i_smb );
308 /*****************************************************************************
309 * Seek: try to go at the right place
310 *****************************************************************************/
311 static int Seek( access_t *p_access, int64_t i_pos )
313 access_sys_t *p_sys = p_access->p_sys;
316 if( i_pos < 0 ) return VLC_EGENERIC;
318 msg_Dbg( p_access, "seeking to "I64Fd, i_pos );
321 i_ret = p_sys->p_smb->lseek(p_sys->p_smb, p_sys->p_file, i_pos, SEEK_SET);
323 i_ret = smbc_lseek( p_sys->i_smb, i_pos, SEEK_SET );
327 msg_Err( p_access, "seek failed (%s)", strerror(errno) );
331 p_access->info.b_eof = VLC_FALSE;
332 p_access->info.i_pos = i_ret;
337 /*****************************************************************************
339 *****************************************************************************/
340 static int Read( access_t *p_access, uint8_t *p_buffer, int i_len )
342 access_sys_t *p_sys = p_access->p_sys;
345 if( p_access->info.b_eof ) return 0;
348 i_read = p_sys->p_smb->read(p_sys->p_smb, p_sys->p_file, p_buffer, i_len);
350 i_read = smbc_read( p_sys->i_smb, p_buffer, i_len );
354 msg_Err( p_access, "read failed (%s)", strerror(errno) );
358 if( i_read == 0 ) p_access->info.b_eof = VLC_TRUE;
359 else if( i_read > 0 ) p_access->info.i_pos += i_read;
364 /*****************************************************************************
366 *****************************************************************************/
367 static int Control( access_t *p_access, int i_query, va_list args )
375 case ACCESS_CAN_SEEK:
376 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
379 case ACCESS_CAN_FASTSEEK:
380 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
383 case ACCESS_CAN_PAUSE:
384 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
387 case ACCESS_CAN_CONTROL_PACE:
388 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
393 pi_int = (int*)va_arg( args, int * );
397 case ACCESS_GET_PTS_DELAY:
398 pi_64 = (int64_t*)va_arg( args, int64_t * );
399 *pi_64 = (int64_t)var_GetInteger( p_access, "smb-caching" ) * 1000;
402 case ACCESS_SET_PAUSE_STATE:
406 case ACCESS_GET_TITLE_INFO:
407 case ACCESS_SET_TITLE:
408 case ACCESS_SET_SEEKPOINT:
409 case ACCESS_SET_PRIVATE_ID_STATE:
413 msg_Warn( p_access, "unimplemented query in control" );
422 static void Win32AddConnection( access_t *p_access, char *psz_path,
423 char *psz_user, char *psz_pwd,
426 DWORD (*OurWNetAddConnection2)( LPNETRESOURCE, LPCTSTR, LPCTSTR, DWORD );
427 char psz_remote[MAX_PATH], psz_server[MAX_PATH], psz_share[MAX_PATH];
428 NETRESOURCE net_resource;
432 HINSTANCE hdll = LoadLibrary(_T("MPR.DLL"));
435 msg_Warn( p_access, "couldn't load mpr.dll" );
439 OurWNetAddConnection2 =
440 (void *)GetProcAddress( hdll, _T("WNetAddConnection2A") );
441 if( !OurWNetAddConnection2 )
443 msg_Warn( p_access, "couldn't find WNetAddConnection2 in mpr.dll" );
447 memset( &net_resource, 0, sizeof(net_resource) );
448 net_resource.dwType = RESOURCETYPE_DISK;
450 /* Find out server and share names */
451 strlcpy( psz_server, psz_path, sizeof( psz_server ) );
453 psz_parser = strchr( psz_path, '/' );
456 char *psz_parser2 = strchr( ++psz_parser, '/' );
458 strlcpy( psz_share, psz_parser, sizeof( psz_share ) );
461 sprintf( psz_remote, "\\\\%s\\%s", psz_server, psz_share );
462 net_resource.lpRemoteName = psz_remote;
464 i_result = OurWNetAddConnection2( &net_resource, psz_pwd, psz_user, 0 );
466 if( i_result != NO_ERROR )
468 msg_Dbg( p_access, "connected to %s", psz_remote );
470 else if( i_result != ERROR_ALREADY_ASSIGNED &&
471 i_result != ERROR_DEVICE_ALREADY_REMEMBERED )
473 msg_Dbg( p_access, "already connected to %s", psz_remote );
477 msg_Dbg( p_access, "failed to connect to %s", psz_remote );