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Fix osl_getSystemPathFromFileURL URL scheme check

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Change-Id: If7737b9eaf11333facd9ae3faf58e36ba76c3b05
This commit is contained in:
Stephan Bergmann 2015-10-30 17:28:28 +01:00
parent 86585175a6
commit 2b5ce52cdd
1 changed files with 20 additions and 7 deletions
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27
sal/osl/unx/file_url.cxx
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@ -32,6 +32,7 @@
#include <osl/thread.h>
#include <osl/process.h>
#include <rtl/character.hxx>
#include <rtl/uri.h>
#include <rtl/ustring.hxx>
#include <rtl/ustrbuf.h>
@ -86,7 +87,6 @@ oslFileError SAL_CALL osl_getSystemPathFromFileURL( rtl_uString *ustrFileURL, rt
rtl_uString * pTmp = NULL;
sal_Unicode encodedSlash[3] = { '%', '2', 'F' };
sal_Unicode protocolDelimiter[3] = { ':', '/', '/' };
/* a valid file url may not start with '/' */
if( ( 0 == ustrFileURL->length ) || ( '/' == ustrFileURL->buffer[0] ) )
@ -94,12 +94,25 @@ oslFileError SAL_CALL osl_getSystemPathFromFileURL( rtl_uString *ustrFileURL, rt
return osl_File_E_INVAL;
}
/* Check for non file:// protocols */
nIndex = rtl_ustr_indexOfStr_WithLength( ustrFileURL->buffer, ustrFileURL->length, protocolDelimiter, 3 );
if ( -1 != nIndex && (4 != nIndex || 0 != rtl_ustr_ascii_shortenedCompare_WithLength( ustrFileURL->buffer, ustrFileURL->length,"file", 4 ) ) )
{
return osl_File_E_INVAL;
// Check for non file scheme:
if (rtl::isAsciiAlpha(ustrFileURL->buffer[0])) {
for (sal_Int32 i = 1; i != ustrFileURL->length; ++i) {
auto c = ustrFileURL->buffer[i];
if (c == ':') {
if (rtl_ustr_ascii_compareIgnoreAsciiCase_WithLengths(
ustrFileURL->buffer, i,
RTL_CONSTASCII_STRINGPARAM("file"))
!= 0)
{
return osl_File_E_INVAL;
}
break;
} else if (!rtl::isAsciiAlphanumeric(c) && c != '+' && c != '-'
&& c != '.')
{
break;
}
}
}
/* search for encoded slashes (%2F) and decode every single token if we find one */