/* Compute the OOo md5 hash from 'pText' */
static rtl_uString *
get_md5hash( rtl_uString *pText )
{
rtl_uString *pResult = NULL;
sal_Int32 nCapacity = 100;
unsigned char *pData = NULL;
sal_uInt32 nSize = 0;
rtlDigest digest;
sal_uInt32 md5_key_len = 0;
sal_uInt8* md5_buf = NULL;
sal_uInt32 i = 0;
#if OSL_DEBUG_LEVEL > 1
rtl_String *pOut;
#endif
if ( !pText )
return NULL;
#if OSL_DEBUG_LEVEL > 1
pOut = ustr_to_str( pText );
fprintf (stderr, "Generate pipe md5 for '%s'\n", pOut->buffer);
rtl_string_release( pOut );
#endif
pData = (unsigned char *)rtl_uString_getStr( pText );
nSize = rtl_uString_getLength( pText ) * sizeof( sal_Unicode );
if ( !pData )
return NULL;
digest = rtl_digest_create( rtl_Digest_AlgorithmMD5 );
if ( digest == 0 )
return NULL;
md5_key_len = rtl_digest_queryLength( digest );
md5_buf = (sal_uInt8 *)calloc( md5_key_len, sizeof( sal_uInt8 ) );
rtl_digest_init( digest, pData , nSize );
rtl_digest_update( digest, pData, nSize );
rtl_digest_get( digest, md5_buf, md5_key_len );
rtl_digest_destroy( digest );
/* create hex-value string from the MD5 value to keep
the string size minimal */
rtl_uString_new_WithLength( &pResult, nCapacity );
for ( ; i < md5_key_len; ++i )
{
char val[3];
snprintf( val, 3, "%x", md5_buf[i] ); /* sic! we ignore some of the 0's */
rtl_uStringbuffer_insert_ascii( &pResult, &nCapacity, rtl_uString_getLength( pResult ),
val, strlen( val ) );
}
/* cleanup */
free( md5_buf );
return pResult;
}
/* Escape: "," -> "\\,", "\0" -> "\\0", "\\" -> "\\\\" */
static rtl_uString *
escape_path( rtl_uString *pToEscape )
{
rtl_uString *pBuffer = NULL;
sal_Int32 nCapacity = 1000;
sal_Int32 i = 0;
sal_Int32 nEscapeLength = rtl_uString_getLength( pToEscape );
rtl_uString_new_WithLength( &pBuffer, nCapacity );
for ( ; i < nEscapeLength; ++i )
{
sal_Unicode c = pToEscape->buffer[i];
switch ( c )
{
case (sal_Unicode)'\0':
rtl_uStringbuffer_insert_ascii( &pBuffer, &nCapacity,
rtl_uString_getLength( pBuffer ),
RTL_CONSTASCII_STRINGPARAM( "\\0" ) );
break;
case (sal_Unicode)',':
rtl_uStringbuffer_insert_ascii( &pBuffer, &nCapacity,
rtl_uString_getLength( pBuffer ),
RTL_CONSTASCII_STRINGPARAM( "\\," ) );
break;
case (sal_Unicode)'\\':
rtl_uStringbuffer_insert_ascii( &pBuffer, &nCapacity,
rtl_uString_getLength( pBuffer ),
RTL_CONSTASCII_STRINGPARAM( "\\\\" ) );
break;
default:
rtl_uStringbuffer_insert( &pBuffer, &nCapacity,
rtl_uString_getLength( pBuffer ),
&c, 1 );
}
}
return pBuffer;
}
/* Send args to the OOo instance (using the 'fd' file descriptor) */
static sal_Bool
send_args( int fd, rtl_uString *pCwdPath )
{
rtl_uString *pBuffer = NULL, *pTmp = NULL;
sal_Int32 nCapacity = 1000;
rtl_String *pOut = NULL;
sal_Bool bResult;
size_t nLen;
rtl_uString *pEscapedCwdPath = escape_path( pCwdPath );
sal_uInt32 nArg = 0;
sal_uInt32 nArgCount = rtl_getAppCommandArgCount();
rtl_uString_new_WithLength( &pBuffer, nCapacity );
rtl_uString_new( &pTmp );
rtl_uStringbuffer_insert_ascii( &pBuffer, &nCapacity,
rtl_uString_getLength( pBuffer ),
RTL_CONSTASCII_STRINGPARAM( "InternalIPC::Arguments" ) );
if ( rtl_uString_getLength( pEscapedCwdPath ) )
{
rtl_uStringbuffer_insert_ascii( &pBuffer, &nCapacity,
rtl_uString_getLength( pBuffer ),
RTL_CONSTASCII_STRINGPARAM( "1" ) );
rtl_uStringbuffer_insert( &pBuffer, &nCapacity,
rtl_uString_getLength( pBuffer ),
rtl_uString_getStr( pEscapedCwdPath ),
rtl_uString_getLength( pEscapedCwdPath ) );
}
else
{
rtl_uStringbuffer_insert_ascii( &pBuffer, &nCapacity,
rtl_uString_getLength( pBuffer ),
RTL_CONSTASCII_STRINGPARAM( "0" ) );
}
for ( nArg = 0; nArg < nArgCount; ++nArg )
{
rtl_uString *pEscapedTmp = NULL;
rtl_uStringbuffer_insert_ascii( &pBuffer, &nCapacity,
rtl_uString_getLength( pBuffer ),
",", 1 );
rtl_getAppCommandArg( nArg, &pTmp );
pEscapedTmp = escape_path( pTmp );
rtl_uStringbuffer_insert( &pBuffer, &nCapacity,
rtl_uString_getLength( pBuffer ),
rtl_uString_getStr( pEscapedTmp ),
rtl_uString_getLength( pEscapedTmp ) );
rtl_uString_release( pEscapedTmp );
}
if ( !rtl_convertUStringToString(
&pOut, rtl_uString_getStr( pBuffer ),
rtl_uString_getLength( pBuffer ), RTL_TEXTENCODING_UTF8,
( RTL_UNICODETOTEXT_FLAGS_UNDEFINED_ERROR
| RTL_UNICODETOTEXT_FLAGS_INVALID_ERROR ) ) )
{
fprintf( stderr, "ERROR: cannot convert arguments to UTF-8\n" );
exit( 1 );
}
nLen = rtl_string_getLength( pOut ) + 1;
bResult = ( write( fd, rtl_string_getStr( pOut ), nLen ) == (ssize_t) nLen );
if ( bResult )
{
char resp[ strlen( "InternalIPC::ProcessingDone" ) ];
ssize_t n = read( fd, resp, SAL_N_ELEMENTS( resp ) );
bResult = n == (ssize_t) SAL_N_ELEMENTS( resp )
&& (memcmp(
resp, "InternalIPC::ProcessingDone",
SAL_N_ELEMENTS( resp ) )
== 0);
}
/* cleanup */
rtl_uString_release( pEscapedCwdPath );
rtl_uString_release( pBuffer );
rtl_uString_release( pTmp );
rtl_string_release( pOut );
return bResult;
}
