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 USER_TEXT N_("SMB user name")
62 #define USER_LONGTEXT N_("User name that will " \
63 "be used for the connection.")
64 #define PASS_TEXT N_("SMB password")
65 #define PASS_LONGTEXT N_("Password that will be " \
66 "used for the connection.")
67 #define DOMAIN_TEXT N_("SMB domain")
68 #define DOMAIN_LONGTEXT N_("Domain/Workgroup that " \
69 "will be used for the connection.")
71 #define SMB_HELP N_("Samba (Windows network shares) input")
73 set_shortname( "SMB" )
74 set_description( N_("SMB input") )
76 set_capability( "access", 0 )
77 set_category( CAT_INPUT )
78 set_subcategory( SUBCAT_INPUT_ACCESS )
79 add_string( "smb-user", NULL, USER_TEXT, USER_LONGTEXT,
81 add_password( "smb-pwd", NULL, PASS_TEXT,
82 PASS_LONGTEXT, false )
83 add_string( "smb-domain", NULL, DOMAIN_TEXT,
84 DOMAIN_LONGTEXT, false )
86 set_callbacks( Open, Close )
89 /*****************************************************************************
91 *****************************************************************************/
92 static ssize_t Read( access_t *, uint8_t *, size_t );
93 static int Seek( access_t *, uint64_t );
94 static int Control( access_t *, int, va_list );
102 static void Win32AddConnection( access_t *, char *, char *, char *, char * );
104 static void smb_auth( const char *srv, const char *shr, char *wg, int wglen,
105 char *un, int unlen, char *pw, int pwlen )
115 //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_location, *psz_uri;
128 char *psz_user = NULL, *psz_pwd = NULL, *psz_domain = NULL;
133 * [[[domain;]user[:password@]]server[/share[/path[/file]]]] */
134 psz_location = strchr( p_access->psz_location, '/' );
137 msg_Err( p_access, "invalid SMB URI: smb://%s", psz_location );
142 char *psz_tmp = strdup( p_access->psz_location );
145 psz_tmp[ psz_location - p_access->psz_location ] = 0;
146 psz_location = p_access->psz_location;
147 psz_parser = strchr( psz_tmp, '@' );
150 /* User info is there */
152 psz_location = p_access->psz_location + (psz_parser - psz_tmp) + 1;
154 psz_parser = strchr( psz_tmp, ':' );
158 psz_pwd = strdup( psz_parser+1 );
162 psz_parser = strchr( psz_tmp, ';' );
166 *psz_parser = 0; psz_parser++;
167 psz_domain = strdup( psz_tmp );
169 else psz_parser = psz_tmp;
171 psz_user = strdup( psz_parser );
178 * smb://[[[domain;]user[:password@]]server[/share[/path[/file]]]] */
180 if( !psz_user ) psz_user = var_InheritString( p_access, "smb-user" );
181 if( psz_user && !*psz_user ) { free( psz_user ); psz_user = NULL; }
182 if( !psz_pwd ) psz_pwd = var_InheritString( p_access, "smb-pwd" );
183 if( psz_pwd && !*psz_pwd ) { free( psz_pwd ); psz_pwd = NULL; }
184 if( !psz_domain ) psz_domain = var_InheritString( p_access, "smb-domain" );
185 if( psz_domain && !*psz_domain ) { free( psz_domain ); psz_domain = NULL; }
189 Win32AddConnection( p_access, psz_location, psz_user, psz_pwd, psz_domain);
190 i_ret = asprintf( &psz_uri, "//%s", psz_location );
193 i_ret = asprintf( &psz_uri, "smb://%s%s%s%s%s@%s",
194 psz_domain ? psz_domain : "", psz_domain ? ";" : "",
195 psz_user, psz_pwd ? ":" : "",
196 psz_pwd ? psz_pwd : "", psz_location );
198 i_ret = asprintf( &psz_uri, "smb://%s", psz_location );
209 if( smbc_init( smb_auth, 0 ) )
217 ** some version of glibc defines open as a macro, causing havoc
218 ** with other macros using 'open' under the hood, such as the
221 #if defined(smbc_open) && defined(open)
224 if( (i_smb = smbc_open( psz_uri, O_RDONLY, 0 )) < 0 )
226 msg_Err( p_access, "open failed for '%s' (%m)",
227 p_access->psz_location );
233 STANDARD_READ_ACCESS_INIT;
235 i_ret = smbc_fstat( i_smb, &filestat );
239 msg_Err( p_access, "stat failed (%m)" );
242 p_access->info.i_size = filestat.st_size;
246 p_sys->i_smb = i_smb;
251 /*****************************************************************************
252 * Close: free unused data structures
253 *****************************************************************************/
254 static void Close( vlc_object_t *p_this )
256 access_t *p_access = (access_t*)p_this;
257 access_sys_t *p_sys = p_access->p_sys;
259 smbc_close( p_sys->i_smb );
263 /*****************************************************************************
264 * Seek: try to go at the right place
265 *****************************************************************************/
266 static int Seek( access_t *p_access, uint64_t i_pos )
268 access_sys_t *p_sys = p_access->p_sys;
271 if( i_pos >= INT64_MAX )
274 msg_Dbg( p_access, "seeking to %"PRId64, i_pos );
276 i_ret = smbc_lseek( p_sys->i_smb, i_pos, SEEK_SET );
279 msg_Err( p_access, "seek failed (%m)" );
283 p_access->info.b_eof = false;
284 p_access->info.i_pos = i_ret;
289 /*****************************************************************************
291 *****************************************************************************/
292 static ssize_t Read( access_t *p_access, uint8_t *p_buffer, size_t i_len )
294 access_sys_t *p_sys = p_access->p_sys;
297 if( p_access->info.b_eof ) return 0;
299 i_read = smbc_read( p_sys->i_smb, p_buffer, i_len );
302 msg_Err( p_access, "read failed (%m)" );
306 if( i_read == 0 ) p_access->info.b_eof = true;
307 else if( i_read > 0 ) p_access->info.i_pos += i_read;
312 /*****************************************************************************
314 *****************************************************************************/
315 static int Control( access_t *p_access, int i_query, va_list args )
319 case ACCESS_CAN_SEEK:
320 case ACCESS_CAN_FASTSEEK:
321 case ACCESS_CAN_PAUSE:
322 case ACCESS_CAN_CONTROL_PACE:
323 *va_arg( args, bool* ) = true;
326 case ACCESS_GET_PTS_DELAY:
327 *va_arg( args, int64_t * ) = INT64_C(1000)
328 * var_InheritInteger( p_access, "network-caching" );
331 case ACCESS_SET_PAUSE_STATE:
335 case ACCESS_GET_TITLE_INFO:
336 case ACCESS_SET_TITLE:
337 case ACCESS_SET_SEEKPOINT:
338 case ACCESS_SET_PRIVATE_ID_STATE:
339 case ACCESS_GET_CONTENT_TYPE:
343 msg_Warn( p_access, "unimplemented query in control" );
352 static void Win32AddConnection( access_t *p_access, char *psz_path,
353 char *psz_user, char *psz_pwd,
356 char psz_remote[MAX_PATH], psz_server[MAX_PATH], psz_share[MAX_PATH];
357 NETRESOURCE net_resource;
360 VLC_UNUSED( psz_domain );
362 memset( &net_resource, 0, sizeof(net_resource) );
363 net_resource.dwType = RESOURCETYPE_DISK;
365 /* Find out server and share names */
366 strlcpy( psz_server, psz_path, sizeof( psz_server ) );
368 psz_parser = strchr( psz_path, '/' );
371 char *psz_parser2 = strchr( ++psz_parser, '/' );
373 strlcpy( psz_share, psz_parser, sizeof( psz_share ) );
376 snprintf( psz_remote, sizeof( psz_remote ), "\\\\%s\\%s", psz_server, psz_share );
377 net_resource.lpRemoteName = psz_remote;
379 i_result = WNetAddConnection2( &net_resource, psz_pwd, psz_user, 0 );
381 if( i_result != NO_ERROR )
383 msg_Dbg( p_access, "connected to %s", psz_remote );
385 else if( i_result != ERROR_ALREADY_ASSIGNED &&
386 i_result != ERROR_DEVICE_ALREADY_REMEMBERED )
388 msg_Dbg( p_access, "already connected to %s", psz_remote );
392 msg_Dbg( p_access, "failed to connect to %s", psz_remote );