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Code Issues Releases Wiki Activity

(libT) do proper JSON escaping

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This commit is contained in:
Charles Kerr 2008-08-19 23:11:35 +00:00
parent f205d487c6
commit 6e23743c33
3 changed files with 62 additions and 10 deletions
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3
libtransmission/bencode-test.c
View file

@ -15,8 +15,7 @@ static int test = 0;
if( VERBOSE ) \
fprintf( stderr, "PASS test #%d (%s, %d)\n", test, __FILE__, __LINE__ ); \
} else { \
if( VERBOSE ) \
fprintf( stderr, "FAIL test #%d (%s, %d)\n", test, __FILE__, __LINE__ ); \
fprintf( stderr, "FAIL test #%d (%s, %d)\n", test, __FILE__, __LINE__ ); \
return test; \
} \
}

20
libtransmission/bencode.c
View file

@ -19,6 +19,8 @@
#include <event.h> /* evbuffer */
#include "ConvertUTF.h"
#include "transmission.h"
#include "bencode.h"
#include "json.h"
@ -1152,9 +1154,9 @@ static void
jsonStringFunc( const tr_benc * val, void * vdata )
{
struct jsonWalk * data = vdata;
const char *it, *end;
const unsigned char *it, *end;
evbuffer_add_printf( data->out, "\"" );
for( it=val->val.s.s, end=it+val->val.s.i; it!=end; ++it )
for( it=(const unsigned char*)val->val.s.s, end=it+val->val.s.i; it!=end; ++it )
{
switch( *it ) {
case '/' : evbuffer_add_printf( data->out, "\\/" ); break;
@ -1165,7 +1167,19 @@ jsonStringFunc( const tr_benc * val, void * vdata )
case '\t': evbuffer_add_printf( data->out, "\\t" ); break;
case '"' : evbuffer_add_printf( data->out, "\\\"" ); break;
case '\\': evbuffer_add_printf( data->out, "\\\\" ); break;
default: evbuffer_add_printf( data->out, "%c", *it );
default:
if( isascii( *it ) ) {
/*fprintf( stderr, "[%c]\n", *it );*/
evbuffer_add_printf( data->out, "%c", *it );
} else {
const UTF8 * tmp = it;
UTF32 buf = 0;
UTF32 * u32 = &buf;
ConvertUTF8toUTF32( &tmp, end, &u32, &buf+1, 0 );
evbuffer_add_printf( data->out, "\\u%04x", buf );
it = tmp - 1;
/*fprintf( stderr, "[\\u%04x]\n", buf );*/
}
}
}
evbuffer_add_printf( data->out, "\"" );

49
libtransmission/json-test.c
View file

@ -19,22 +19,64 @@ static int test = 0;
} \
}
#include "ConvertUTF.h"
static int
test_utf8( void )
{
const char * in = "{ \"key\": \"Letöltések\" }";
tr_benc top;
const char * str;
const int err = tr_jsonParse( in, strlen(in), &top, NULL );
char * json;
int json_len;
int err;
err = tr_jsonParse( in, strlen(in), &top, NULL );
check( !err );
check( tr_bencIsDict( &top ) );
check( tr_bencDictFindStr( &top, "key", &str ) );
check( !strcmp( str, "Letöltések" ) );
if( !err )
tr_bencFree( &top );
in = "{ \"key\": \"\\u005C\" }";
err = tr_jsonParse( in, strlen( in ), &top, NULL );
check( !err );
check( tr_bencIsDict( &top ) );
check( tr_bencDictFindStr( &top, "key", &str ) );
check( !strcmp( str, "\\" ) );
if( !err )
tr_bencFree( &top );
/**
* 1. Feed it JSON-escaped nonascii to the JSON decoder.
* 2. Confirm that the result is UTF-8.
* 3. Feed the same UTF-8 back into the JSON encoder.
* 4. Confirm that the result is JSON-escaped.
* 5. Dogfood that result back into the parser.
* 6. Confirm that the result is UTF-8.
*/
in = "{ \"key\": \"Let\\u00f6lt\\u00e9sek\" }";
err = tr_jsonParse( in, strlen(in), &top, NULL );
check( !err );
check( tr_bencIsDict( &top ) );
check( tr_bencDictFindStr( &top, "key", &str ) );
check( !strcmp( str, "Letöltések" ) );
json = tr_bencSaveAsJSON( &top, &json_len );
if( !err )
tr_bencFree( &top );
check( json );
check( strstr( json, "\\u00f6" ) != NULL );
check( strstr( json, "\\u00e9" ) != NULL );
err = tr_jsonParse( json, json_len, &top, NULL );
check( !err );
check( tr_bencIsDict( &top ) );
check( tr_bencDictFindStr( &top, "key", &str ) );
check( !strcmp( str, "Letöltések" ) );
if( !err )
tr_bencFree( &top );
tr_free( json );
return 0;
}
@ -89,9 +131,6 @@ main( void )
{
int i;
if(( i = test_utf8( )))
return i;
if(( i = test_utf8( )))
return i;