Yucom/vrclient_x64/json_converter.cpp

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#include <stdarg.h>
#include <stddef.h>
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "windef.h"
#include "winbase.h"
#undef min
#undef max
#undef wcsncpy
#include <algorithm>
#include <string>
#include <cwchar>
#include "json/json.h"
#include "unix_private.h"
#include <stdlib.h>
#include <linux/limits.h>
#if 0
#pragma makedep unix
#endif
WINE_DEFAULT_DEBUG_CHANNEL(vrclient);
#define IS_ABSOLUTE( x ) (*x == '/' || *x == '\\' || (*x && *(x + 1) == ':'))
static char *get_unix_file_name( const WCHAR *path )
{
UNICODE_STRING nt_name;
OBJECT_ATTRIBUTES attr;
NTSTATUS status;
ULONG size = 256;
char *buffer;
nt_name.Buffer = (WCHAR *)path;
nt_name.MaximumLength = nt_name.Length = lstrlenW( path ) * sizeof(WCHAR);
InitializeObjectAttributes( &attr, &nt_name, 0, 0, NULL );
for (;;)
{
if (!(buffer = (char *)malloc( size ))) return NULL;
status = wine_nt_to_unix_file_name( &attr, buffer, &size, FILE_OPEN_IF );
if (status != STATUS_BUFFER_TOO_SMALL) break;
free( buffer );
}
if (status && status != STATUS_NO_SUCH_FILE)
{
free( buffer );
return NULL;
}
return buffer;
}
char *vrclient_dos_to_unix_path( const char *src )
{
char buffer[4096], *dst = buffer;
uint32_t len;
TRACE( "src %s\n", debugstr_a(src) );
if (!src) return NULL;
*dst = 0;
if (!*src) goto done;
if (IS_ABSOLUTE( src ))
{
/* absolute path, use wine conversion */
WCHAR srcW[PATH_MAX] = {'\\', '?', '?', '\\', 0}, *tmp;
char *unix_path;
uint32_t r;
r = ntdll_umbstowcs( src, strlen( src ) + 1, srcW + 4, PATH_MAX - 4 );
if (r == 0) unix_path = NULL;
else
{
for (tmp = srcW; *tmp; ++tmp) if (*tmp == '/') *tmp = '\\';
unix_path = get_unix_file_name( srcW );
}
if (!unix_path)
{
WARN( "Unable to convert DOS filename to unix: %s\n", src );
return NULL;
}
if (!realpath( unix_path, dst ))
{
ERR( "Could not get real path for %s.\n", unix_path );
lstrcpynA( dst, unix_path, PATH_MAX );
}
free( unix_path );
}
else
{
/* relative path, just fix up backslashes */
const char *s;
char *d;
for (s = src, d = dst; *src; ++s, ++d)
{
if (*s == '\\') *d = '/';
else *d = *s;
}
*d = 0;
}
done:
len = strlen( buffer ) + 1;
if (!(dst = (char *)malloc( len ))) return NULL;
memcpy( dst, buffer, len );
TRACE( "-> %s\n", debugstr_a(dst) );
return dst;
}
void vrclient_free_path( char *path )
{
free( path );
}
/* returns the number of bytes written to dst, not including the NUL terminator */
unsigned int vrclient_unix_path_to_dos_path( bool api_result, const char *src, char *dst, uint32_t dst_bytes )
{
NTSTATUS status;
uint32_t r = 0;
ULONG size = 0;
WCHAR *dosW;
TRACE( "api_result %u, src %s, dst %p, dst_bytes %u\n", api_result, debugstr_a(src), dst, dst_bytes );
if (!src || !*src || !api_result || !dst || !dst_bytes)
{
if (dst && dst_bytes) *dst = 0;
return 0;
}
status = wine_unix_to_nt_file_name( src, NULL, &size );
if (status != STATUS_BUFFER_TOO_SMALL)
{
WARN( "Unable to convert unix filename to DOS: %s, status %#x.\n", debugstr_a(src), status );
*dst = 0;
return 0;
}
dosW = (WCHAR *)malloc( size * sizeof(WCHAR) );
status = wine_unix_to_nt_file_name( src, dosW, &size );
if (!status) r = ntdll_wcstoumbs( dosW, size, dst, dst_bytes, FALSE );
else *dst = 0;
free( dosW );
if (!strncmp( dst, "\\??\\", 4 ))
{
memmove( dst, dst + 4, r - 4 );
r -= 4;
}
TRACE( "-> dst %s, r %u\n", debugstr_a(dst), r );
return r == 0 ? 0 : r - 1;
}
extern "C" {
static bool ends_with(const std::string &s, char c)
{
auto e = s.end();
if(e != s.begin()){
--e;
return *e == c;
}
return false;
}
static bool convert_path_to_win(std::string &s)
{
bool need_slash = ends_with(s, '\\') || ends_with(s, '/');
WCHAR srcW[PATH_MAX] = {'\\', '?', '?', '\\', 0}, *tmp;
char *unix_path;
uint32_t sz;
sz = ntdll_umbstowcs( s.c_str(), strlen( s.c_str() ) + 1, srcW + 4, PATH_MAX - 4 );
if (!sz) return false;
for (tmp = srcW; *tmp; ++tmp) if (*tmp == '/') *tmp = '\\';
if (!(unix_path = get_unix_file_name( srcW ))) return false;
/* XXX assuming the system encoding is UTF-8 */
s = unix_path;
free( unix_path );
if (need_slash) s += '/';
return true;
}
char *json_convert_paths(const char *input)
{
Json::Reader reader;
Json::Value root;
if(!reader.parse(input, root))
return NULL;
if(root.isMember("type") &&
root["type"].isString() &&
root["type"] == "set_paths")
{
if(root.isMember("webroot") &&
root["webroot"].isString())
{
std::string path(root["webroot"].asString());
if(convert_path_to_win(path))
root["webroot"] = path;
}
if(root.isMember("models") &&
root["models"].isString())
{
std::string path(root["models"].asString());
if(convert_path_to_win(path))
root["models"] = path;
}
Json::FastWriter writer;
std::string contents(writer.write(root));
char *ret = (char *)malloc(contents.length() + 1);
if(!ret)
return NULL;
size_t len = contents.copy(ret, contents.length());
ret[len] = 0;
return ret;
}
return NULL;
}
char *json_convert_startup_info(const char *startup_info)
{
std::string src_path;
Json::Reader reader;
Json::Value root;
char *dst_path;
size_t len;
char *ret;
if(!startup_info || !reader.parse(startup_info, root))
return NULL;
if (!root.isMember("action_manifest_path") || !root["action_manifest_path"].isString())
return NULL;
src_path = root["action_manifest_path"].asString();
WINE_TRACE("action_manifest_path %s.\n", src_path.c_str());
if (!(dst_path = vrclient_dos_to_unix_path(src_path.c_str())))
{
WINE_ERR("error converting path %s.\n", src_path.c_str());
return NULL;
}
WINE_TRACE("converted path %s.\n", dst_path);
root["action_manifest_path"] = dst_path;
Json::FastWriter writer;
std::string contents(writer.write(root));
ret = (char *)malloc(contents.length() + 1);
len = contents.copy(ret, contents.length());
ret[len] = 0;
vrclient_free_path(dst_path);
return ret;
}
}