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 *****************************************************************************/
34 # include <sys/stat.h>
36 # define smbc_open(a,b,c) vlc_open(a,b,c)
37 # define smbc_fstat(a,b) _fstati64(a,b)
38 # define smbc_read read
39 # define smbc_lseek _lseeki64
40 # define smbc_close close
42 # include <libsmbclient.h>
45 #include <vlc_common.h>
47 #include <vlc_plugin.h>
48 #include <vlc_access.h>
50 /*****************************************************************************
52 *****************************************************************************/
53 static int Open ( vlc_object_t * );
54 static void Close( vlc_object_t * );
56 #define USER_TEXT N_("SMB user name")
57 #define USER_LONGTEXT N_("User name that will " \
58 "be used for the connection.")
59 #define PASS_TEXT N_("SMB password")
60 #define PASS_LONGTEXT N_("Password that will be " \
61 "used for the connection.")
62 #define DOMAIN_TEXT N_("SMB domain")
63 #define DOMAIN_LONGTEXT N_("Domain/Workgroup that " \
64 "will be used for the connection.")
66 #define SMB_HELP N_("Samba (Windows network shares) input")
68 set_shortname( "SMB" )
69 set_description( N_("SMB input") )
71 set_capability( "access", 0 )
72 set_category( CAT_INPUT )
73 set_subcategory( SUBCAT_INPUT_ACCESS )
74 add_string( "smb-user", NULL, USER_TEXT, USER_LONGTEXT,
76 add_password( "smb-pwd", NULL, PASS_TEXT,
77 PASS_LONGTEXT, false )
78 add_string( "smb-domain", NULL, DOMAIN_TEXT,
79 DOMAIN_LONGTEXT, false )
81 set_callbacks( Open, Close )
84 /*****************************************************************************
86 *****************************************************************************/
87 static ssize_t Read( access_t *, uint8_t *, size_t );
88 static int Seek( access_t *, uint64_t );
89 static int Control( access_t *, int, va_list );
97 static void Win32AddConnection( access_t *, char *, char *, char *, char * );
99 static void smb_auth( const char *srv, const char *shr, char *wg, int wglen,
100 char *un, int unlen, char *pw, int pwlen )
110 //wglen = unlen = pwlen = 0;
114 /****************************************************************************
115 * Open: connect to smb server and ask for file
116 ****************************************************************************/
117 static int Open( vlc_object_t *p_this )
119 access_t *p_access = (access_t*)p_this;
121 struct stat filestat;
122 char *psz_location, *psz_uri;
123 char *psz_user = NULL, *psz_pwd = NULL, *psz_domain = NULL;
128 * [[[domain;]user[:password@]]server[/share[/path[/file]]]] */
129 psz_location = strchr( p_access->psz_location, '/' );
132 msg_Err( p_access, "invalid SMB URI: smb://%s", psz_location );
137 char *psz_tmp = strdup( p_access->psz_location );
140 psz_tmp[ psz_location - p_access->psz_location ] = 0;
141 psz_location = p_access->psz_location;
142 psz_parser = strchr( psz_tmp, '@' );
145 /* User info is there */
147 psz_location = p_access->psz_location + (psz_parser - psz_tmp) + 1;
149 psz_parser = strchr( psz_tmp, ':' );
153 psz_pwd = strdup( psz_parser+1 );
157 psz_parser = strchr( psz_tmp, ';' );
161 *psz_parser = 0; psz_parser++;
162 psz_domain = strdup( psz_tmp );
164 else psz_parser = psz_tmp;
166 psz_user = strdup( psz_parser );
173 * smb://[[[domain;]user[:password@]]server[/share[/path[/file]]]] */
175 if( !psz_user ) psz_user = var_InheritString( p_access, "smb-user" );
176 if( psz_user && !*psz_user ) { free( psz_user ); psz_user = NULL; }
177 if( !psz_pwd ) psz_pwd = var_InheritString( p_access, "smb-pwd" );
178 if( psz_pwd && !*psz_pwd ) { free( psz_pwd ); psz_pwd = NULL; }
179 if( !psz_domain ) psz_domain = var_InheritString( p_access, "smb-domain" );
180 if( psz_domain && !*psz_domain ) { free( psz_domain ); psz_domain = NULL; }
184 Win32AddConnection( p_access, psz_location, psz_user, psz_pwd, psz_domain);
185 i_ret = asprintf( &psz_uri, "//%s", psz_location );
188 i_ret = asprintf( &psz_uri, "smb://%s%s%s%s%s@%s",
189 psz_domain ? psz_domain : "", psz_domain ? ";" : "",
190 psz_user, psz_pwd ? ":" : "",
191 psz_pwd ? psz_pwd : "", psz_location );
193 i_ret = asprintf( &psz_uri, "smb://%s", psz_location );
204 if( smbc_init( smb_auth, 0 ) )
212 ** some version of glibc defines open as a macro, causing havoc
213 ** with other macros using 'open' under the hood, such as the
216 #if defined(smbc_open) && defined(open)
219 if( (i_smb = smbc_open( psz_uri, O_RDONLY, 0 )) < 0 )
221 msg_Err( p_access, "open failed for '%s' (%m)",
222 p_access->psz_location );
228 STANDARD_READ_ACCESS_INIT;
230 i_ret = smbc_fstat( i_smb, &filestat );
234 msg_Err( p_access, "stat failed (%m)" );
237 p_access->info.i_size = filestat.st_size;
241 p_sys->i_smb = i_smb;
246 /*****************************************************************************
247 * Close: free unused data structures
248 *****************************************************************************/
249 static void Close( vlc_object_t *p_this )
251 access_t *p_access = (access_t*)p_this;
252 access_sys_t *p_sys = p_access->p_sys;
254 smbc_close( p_sys->i_smb );
258 /*****************************************************************************
259 * Seek: try to go at the right place
260 *****************************************************************************/
261 static int Seek( access_t *p_access, uint64_t i_pos )
263 access_sys_t *p_sys = p_access->p_sys;
266 if( i_pos >= INT64_MAX )
269 msg_Dbg( p_access, "seeking to %"PRId64, i_pos );
271 i_ret = smbc_lseek( p_sys->i_smb, i_pos, SEEK_SET );
274 msg_Err( p_access, "seek failed (%m)" );
278 p_access->info.b_eof = false;
279 p_access->info.i_pos = i_ret;
284 /*****************************************************************************
286 *****************************************************************************/
287 static ssize_t Read( access_t *p_access, uint8_t *p_buffer, size_t i_len )
289 access_sys_t *p_sys = p_access->p_sys;
292 if( p_access->info.b_eof ) return 0;
294 i_read = smbc_read( p_sys->i_smb, p_buffer, i_len );
297 msg_Err( p_access, "read failed (%m)" );
301 if( i_read == 0 ) p_access->info.b_eof = true;
302 else if( i_read > 0 ) p_access->info.i_pos += i_read;
307 /*****************************************************************************
309 *****************************************************************************/
310 static int Control( access_t *p_access, int i_query, va_list args )
314 case ACCESS_CAN_SEEK:
315 case ACCESS_CAN_FASTSEEK:
316 case ACCESS_CAN_PAUSE:
317 case ACCESS_CAN_CONTROL_PACE:
318 *va_arg( args, bool* ) = true;
321 case ACCESS_GET_PTS_DELAY:
322 *va_arg( args, int64_t * ) = INT64_C(1000)
323 * var_InheritInteger( p_access, "network-caching" );
326 case ACCESS_SET_PAUSE_STATE:
330 case ACCESS_GET_TITLE_INFO:
331 case ACCESS_SET_TITLE:
332 case ACCESS_SET_SEEKPOINT:
333 case ACCESS_SET_PRIVATE_ID_STATE:
334 case ACCESS_GET_CONTENT_TYPE:
338 msg_Warn( p_access, "unimplemented query in control" );
347 static void Win32AddConnection( access_t *p_access, char *psz_path,
348 char *psz_user, char *psz_pwd,
351 char psz_remote[MAX_PATH], psz_server[MAX_PATH], psz_share[MAX_PATH];
352 NETRESOURCE net_resource;
355 VLC_UNUSED( psz_domain );
357 memset( &net_resource, 0, sizeof(net_resource) );
358 net_resource.dwType = RESOURCETYPE_DISK;
360 /* Find out server and share names */
361 strlcpy( psz_server, psz_path, sizeof( psz_server ) );
363 psz_parser = strchr( psz_path, '/' );
366 char *psz_parser2 = strchr( ++psz_parser, '/' );
368 strlcpy( psz_share, psz_parser, sizeof( psz_share ) );
371 snprintf( psz_remote, sizeof( psz_remote ), "\\\\%s\\%s", psz_server, psz_share );
372 net_resource.lpRemoteName = psz_remote;
374 i_result = WNetAddConnection2( &net_resource, psz_pwd, psz_user, 0 );
376 if( i_result != NO_ERROR )
378 msg_Dbg( p_access, "connected to %s", psz_remote );
380 else if( i_result != ERROR_ALREADY_ASSIGNED &&
381 i_result != ERROR_DEVICE_ALREADY_REMEMBERED )
383 msg_Dbg( p_access, "already connected to %s", psz_remote );
387 msg_Dbg( p_access, "failed to connect to %s", psz_remote );