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Commit d0100c33 authored by Christophe Massiot's avatar Christophe Massiot
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* modules/control/http/util.c: Simplify MRLParse, and fix parsing of quotes.

parent e00360d9
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Showing with 55 additions and 168 deletions
modules/control/http/util.c
View file @ d0100c33
......@@ -812,208 +812,95 @@ char *E_(FirstWord)( char *psz, char *new )
else
return NULL;
}
/**********************************************************************
* Find_end_MRL: Find the end of the sentence :
* this function parses the string psz and find the end of the item
* and/or option with detecting the " and ' problems.
* returns NULL if an error is detected, otherwise, returns a pointer
* of the end of the sentence (after the last character)
**********************************************************************/
static char *Find_end_MRL( char *psz )
{
char *s_sent = psz;
switch( *s_sent )
{
case '\"':
{
s_sent++;
/**********************************************************************
* MRLParse: parse the MRL, find the MRL string and the options,
* create an item with all information in it, and return the item.
* return NULL if there is an error.
**********************************************************************/
while( ( *s_sent != '\"' ) && ( *s_sent != '\0' ) )
{
if( *s_sent == '\'' )
{
s_sent = Find_end_MRL( s_sent );
/* Function analog to FirstWord except that it relies on colon instead
* of space to delimit option boundaries. */
static char *FirstOption( char *psz, char *new )
{
vlc_bool_t b_end, b_start = VLC_TRUE;
if( s_sent == NULL )
{
return NULL;
}
} else
{
s_sent++;
}
}
while( *psz == ' ' )
psz++;
if( *s_sent == '\"' )
{
s_sent++;
return s_sent;
} else /* *s_sent == '\0' , which means the number of " is incorrect */
{
return NULL;
}
break;
}
case '\'':
while( *psz != '\0' && (*psz != ' ' || psz[1] != ':') )
{
if( *psz == '\'' )
{
s_sent++;
while( ( *s_sent != '\'' ) && ( *s_sent != '\0' ) )
{
if( *s_sent == '\"' )
{
s_sent = Find_end_MRL( s_sent );
if( s_sent == NULL )
{
return NULL;
}
} else
{
s_sent++;
}
}
if( *s_sent == '\'' )
{
s_sent++;
return s_sent;
} else /* *s_sent == '\0' , which means the number of ' is incorrect */
char c = *psz++;
while( *psz != '\0' && *psz != c )
{
return NULL;
if( *psz == '\\' && psz[1] != '\0' )
psz++;
*new++ = *psz++;
b_start = VLC_FALSE;
}
break;
if( *psz == c )
psz++;
}
default: /* now we can look for spaces */
else
{
while( ( *s_sent != ' ' ) && ( *s_sent != '\0' ) )
{
if( ( *s_sent == '\'' ) || ( *s_sent == '\"' ) )
{
s_sent = Find_end_MRL( s_sent );
} else
{
s_sent++;
}
}
return s_sent;
if( *psz == '\\' && psz[1] != '\0' )
psz++;
*new++ = *psz++;
b_start = VLC_FALSE;
}
}
b_end = !*psz;
if ( !b_start )
while (new[-1] == ' ')
new--;
*new++ = '\0';
if( !b_end )
return psz + 1;
else
return NULL;
}
/**********************************************************************
* parse_MRL: parse the MRL, find the mrl string and the options,
* create an item with all information in it, and return the item.
* return NULL if there is an error.
**********************************************************************/
playlist_item_t *E_(MRLParse)( intf_thread_t *p_intf, char *psz,
char *psz_name )
playlist_item_t *E_(MRLParse)( intf_thread_t *p_intf, char *_psz,
char *psz_name )
{
char **ppsz_options = NULL;
char *mrl;
char *psz = strdup( _psz );
char *s_mrl = psz;
int i_error = 0;
char *s_temp;
int i = 0;
int i_options = 0;
playlist_item_t * p_item = NULL;
/* In case there is spaces before the mrl */
while( *s_mrl == ' ' )
s_mrl++;
/* extract the mrl */
s_temp = strstr( s_mrl , " :" );
s_temp = FirstOption( s_mrl, s_mrl );
if( s_temp == NULL )
{
s_temp = s_mrl + strlen( s_mrl );
} else
{
while( (*s_temp == ' ') && (s_temp != s_mrl ) )
{
s_temp--;
}
s_temp++;
}
/* if the mrl is between " or ', we must remove them */
if( (*s_mrl == '\'') || (*s_mrl == '\"') )
{
mrl = (char *)malloc( (s_temp - s_mrl - 1) * sizeof( char ) );
strncpy( mrl , (s_mrl + 1) , s_temp - s_mrl - 2 );
mrl[ s_temp - s_mrl - 2 ] = '\0';
} else
{
mrl = (char *)malloc( (s_temp - s_mrl + 1) * sizeof( char ) );
strncpy( mrl , s_mrl , s_temp - s_mrl );
mrl[ s_temp - s_mrl ] = '\0';
}
p_item = playlist_ItemNew( p_intf, s_mrl, psz_name );
s_mrl = s_temp;
/* now we can take care of the options */
while( (*s_mrl != '\0') && (i_error == 0) )
while ( *s_mrl != '\0' )
{
switch( *s_mrl )
{
case ' ':
{
s_mrl++;
break;
}
case ':': /* an option */
{
s_temp = Find_end_MRL( s_mrl );
if( s_temp == NULL )
{
i_error = 1;
}
else
{
i_options++;
ppsz_options = realloc( ppsz_options , i_options *
sizeof(char *) );
ppsz_options[ i_options - 1 ] =
malloc( (s_temp - s_mrl + 1) * sizeof(char) );
strncpy( ppsz_options[ i_options - 1 ] , s_mrl ,
s_temp - s_mrl );
/* don't forget to finish the string with a '\0' */
(ppsz_options[ i_options - 1 ])[ s_temp - s_mrl ] = '\0';
s_mrl = s_temp;
}
break;
}
default:
{
i_error = 1;
break;
}
}
}
if( i_error != 0 )
{
free( mrl );
}
else
{
/* now create an item */
p_item = playlist_ItemNew( p_intf, mrl, psz_name );
for( i = 0 ; i< i_options ; i++ )
s_temp = FirstOption( s_mrl, s_mrl );
if( s_mrl == '\0' )
break;
if( s_temp == NULL )
{
playlist_ItemAddOption( p_item, ppsz_options[i] );
s_temp = s_mrl + strlen( s_mrl );
}
playlist_ItemAddOption( p_item, s_mrl );
s_mrl = s_temp;
}
for( i = 0; i < i_options; i++ ) free( ppsz_options[i] );
if( i_options ) free( ppsz_options );
free( psz );
return p_item;
}
/**********************************************************************
* RealPath: parse ../, ~ and path stuff
**********************************************************************/
......
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