1 /*****************************************************************************
2 * vlc_url.h: URL related macros
3 *****************************************************************************
4 * Copyright (C) 2002-2006 VLC authors and VideoLAN
7 * Authors: Christophe Massiot <massiot@via.ecp.fr>
8 * RĂ©mi Denis-Courmont <rem # videolan.org>
10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU Lesser General Public License as published by
12 * the Free Software Foundation; either version 2.1 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU Lesser General Public License for more details.
20 * You should have received a copy of the GNU Lesser General Public License
21 * along with this program; if not, write to the Free Software Foundation,
22 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
30 * This file defines functions for manipulating URL in vlc
45 char *psz_buffer
; /* to be freed */
48 VLC_API
char * decode_URI_duplicate( const char *psz
);
49 VLC_API
char * decode_URI( char *psz
);
50 VLC_API
char * encode_URI_component( const char *psz
);
51 VLC_API
char * make_URI( const char *path
, const char *scheme
);
52 VLC_API
char * make_path( const char *url
);
54 /*****************************************************************************
56 *****************************************************************************
57 * option : if != 0 then path is split at this char
59 * format [protocol://[login[:password]@]][host[:port]]/path[OPTIONoption]
60 *****************************************************************************/
61 static inline void vlc_UrlParse( vlc_url_t
*url
, const char *psz_url
,
69 url
->psz_protocol
= NULL
;
70 url
->psz_username
= NULL
;
71 url
->psz_password
= NULL
;
75 url
->psz_option
= NULL
;
79 url
->psz_buffer
= NULL
;
82 url
->psz_buffer
= psz_parse
= psz_dup
= strdup( psz_url
);
84 /* Search a valid protocol */
85 p
= strstr( psz_parse
, ":/" );
88 for( p2
= psz_parse
; p2
< p
; p2
++ )
90 #define I(i,a,b) ( (a) <= (i) && (i) <= (b) )
91 if( !I(*p2
, 'a', 'z' ) && !I(*p2
, 'A', 'Z') && !I(*p2
, '0', '9') && *p2
!= '+' && *p2
!= '-' && *p2
!= '.' )
102 /* we have a protocol */
108 url
->psz_protocol
= psz_parse
;
111 p
= strchr( psz_parse
, '@' );
112 p2
= strchr( psz_parse
, '/' );
113 if( p
!= NULL
&& ( p2
!= NULL
? p
< p2
: 1 ) )
115 /* We have a login */
116 url
->psz_username
= psz_parse
;
119 psz_parse
= strchr( psz_parse
, ':' );
120 if( psz_parse
!= NULL
)
122 /* We have a password */
124 url
->psz_password
= psz_parse
;
125 decode_URI( url
->psz_password
);
127 decode_URI( url
->psz_username
);
131 p
= strchr( psz_parse
, '/' );
132 if( !p
|| psz_parse
< p
)
134 /* We have a host[:port] */
135 url
->psz_host
= strdup( psz_parse
);
138 url
->psz_host
[p
- psz_parse
] = '\0';
141 if( *url
->psz_host
== '[' )
144 p2
= strchr( url
->psz_host
, ']' );
147 p2
= strchr( p2
, ':' );
152 p2
= strchr( url
->psz_host
, ':' );
157 url
->i_port
= atoi( p2
);
162 /* Now parse psz_path and psz_option */
165 url
->psz_path
= psz_parse
;
168 p
= strchr( url
->psz_path
, option
);
178 /*****************************************************************************
180 *****************************************************************************/
181 static inline void vlc_UrlClean( vlc_url_t
*url
)
183 free( url
->psz_buffer
);
184 free( url
->psz_host
);
186 url
->psz_protocol
= NULL
;
187 url
->psz_username
= NULL
;
188 url
->psz_password
= NULL
;
189 url
->psz_host
= NULL
;
191 url
->psz_path
= NULL
;
192 url
->psz_option
= NULL
;
194 url
->psz_buffer
= NULL
;
199 /** Check whether a given string is not a valid URL and must hence be
201 static inline int vlc_UrlIsNotEncoded( const char *psz_url
)
205 for( ptr
= psz_url
; *ptr
; ptr
++ )
207 unsigned char c
= *ptr
;
211 if( !isxdigit( (unsigned char)ptr
[1] )
212 || !isxdigit( (unsigned char)ptr
[2] ) )
213 return 1; /* not encoded */
217 if( ( (unsigned char)( c
- 'a' ) < 26 )
218 || ( (unsigned char)( c
- 'A' ) < 26 )
219 || ( (unsigned char)( c
- '0' ) < 10 )
220 || ( strchr( "-_.", c
) != NULL
) )
223 return 0; /* looks fine - but maybe it is not encoded */