mirror of
https://github.com/ValveSoftware/Proton.git
synced 2024-10-17 07:46:54 +03:00
284 lines
6.6 KiB
C++
284 lines
6.6 KiB
C++
#include <stdarg.h>
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#include <stddef.h>
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#include "ntstatus.h"
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#define WIN32_NO_STATUS
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#include "windef.h"
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#include "winbase.h"
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#undef min
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#undef max
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#undef wcsncpy
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#include <algorithm>
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#include <string>
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#include <cwchar>
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#include "json/json.h"
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#include "unix_private.h"
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#include <stdlib.h>
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#include <linux/limits.h>
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#if 0
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#pragma makedep unix
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#endif
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WINE_DEFAULT_DEBUG_CHANNEL(vrclient);
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#define IS_ABSOLUTE( x ) (*x == '/' || *x == '\\' || (*x && *(x + 1) == ':'))
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static char *get_unix_file_name( const WCHAR *path )
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{
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UNICODE_STRING nt_name;
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OBJECT_ATTRIBUTES attr;
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NTSTATUS status;
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ULONG size = 256;
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char *buffer;
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nt_name.Buffer = (WCHAR *)path;
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nt_name.MaximumLength = nt_name.Length = lstrlenW( path ) * sizeof(WCHAR);
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InitializeObjectAttributes( &attr, &nt_name, 0, 0, NULL );
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for (;;)
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{
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if (!(buffer = (char *)malloc( size ))) return NULL;
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status = wine_nt_to_unix_file_name( &attr, buffer, &size, FILE_OPEN_IF );
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if (status != STATUS_BUFFER_TOO_SMALL) break;
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free( buffer );
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}
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if (status && status != STATUS_NO_SUCH_FILE)
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{
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free( buffer );
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return NULL;
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}
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return buffer;
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}
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char *vrclient_dos_to_unix_path( const char *src )
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{
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char buffer[4096], *dst = buffer;
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uint32_t len;
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TRACE( "src %s\n", debugstr_a(src) );
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if (!src) return NULL;
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*dst = 0;
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if (!*src) goto done;
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if (IS_ABSOLUTE( src ))
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{
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/* absolute path, use wine conversion */
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WCHAR srcW[PATH_MAX] = {'\\', '?', '?', '\\', 0}, *tmp;
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char *unix_path;
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uint32_t r;
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r = ntdll_umbstowcs( src, -1, srcW + 4, PATH_MAX - 4 );
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if (r == 0) unix_path = NULL;
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else
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{
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for (tmp = srcW; *tmp; ++tmp) if (*tmp == '/') *tmp = '\\';
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unix_path = get_unix_file_name( srcW );
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}
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if (!unix_path)
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{
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WARN( "Unable to convert DOS filename to unix: %s\n", src );
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return NULL;
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}
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if (!realpath( unix_path, dst ))
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{
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ERR( "Could not get real path for %s.\n", unix_path );
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lstrcpynA( dst, unix_path, PATH_MAX );
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}
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free( unix_path );
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}
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else
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{
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/* relative path, just fix up backslashes */
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const char *s;
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char *d;
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for (s = src, d = dst; *src; ++s, ++d)
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{
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if (*s == '\\') *d = '/';
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else *d = *s;
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}
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*d = 0;
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}
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done:
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len = strlen( buffer ) + 1;
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if (!(dst = (char *)malloc( len ))) return NULL;
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memcpy( dst, buffer, len );
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TRACE( "-> %s\n", debugstr_a(dst) );
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return dst;
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}
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void vrclient_free_path( char *path )
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{
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free( path );
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}
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/* returns the number of bytes written to dst, not including the NUL terminator */
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unsigned int vrclient_unix_path_to_dos_path( bool api_result, const char *src, char *dst, uint32_t dst_bytes )
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{
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NTSTATUS status;
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uint32_t r = 0;
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ULONG size = 0;
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WCHAR *dosW;
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TRACE( "api_result %u, src %s, dst %p, dst_bytes %u\n", api_result, debugstr_a(src), dst, dst_bytes );
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if (!src || !*src || !api_result || !dst || !dst_bytes)
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{
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if (dst && dst_bytes) *dst = 0;
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return 0;
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}
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status = wine_unix_to_nt_file_name( src, NULL, &size );
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if (status != STATUS_BUFFER_TOO_SMALL)
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{
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WARN( "Unable to convert unix filename to DOS: %s, status %#x.\n", debugstr_a(src), status );
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*dst = 0;
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return 0;
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}
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dosW = (WCHAR *)malloc( size * sizeof(WCHAR) );
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status = wine_unix_to_nt_file_name( src, dosW, &size );
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if (!status) r = ntdll_wcstoumbs( dosW, size, dst, dst_bytes, FALSE );
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else *dst = 0;
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free( dosW );
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if (!strncmp( dst, "\\??\\", 4 ))
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{
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memmove( dst, dst + 4, r - 4 );
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r -= 4;
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}
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TRACE( "-> dst %s, r %u\n", debugstr_a(dst), r );
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return r == 0 ? 0 : r - 1;
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}
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extern "C" {
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static bool ends_with(const std::string &s, char c)
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{
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auto e = s.end();
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if(e != s.begin()){
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--e;
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return *e == c;
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}
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return false;
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}
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static bool convert_path_to_win(std::string &s)
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{
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bool need_slash = ends_with(s, '\\') || ends_with(s, '/');
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WCHAR srcW[PATH_MAX] = {'\\', '?', '?', '\\', 0}, *tmp;
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char *unix_path;
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uint32_t sz;
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sz = ntdll_umbstowcs( s.c_str(), -1, srcW + 4, PATH_MAX - 4 );
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if (!sz) return false;
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for (tmp = srcW; *tmp; ++tmp) if (*tmp == '/') *tmp = '\\';
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if (!(unix_path = get_unix_file_name( srcW ))) return false;
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/* XXX assuming the system encoding is UTF-8 */
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s = unix_path;
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free( unix_path );
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if (need_slash) s += '/';
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return true;
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}
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char *json_convert_paths(const char *input)
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{
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Json::Reader reader;
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Json::Value root;
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if(!reader.parse(input, root))
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return NULL;
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if(root.isMember("type") &&
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root["type"].isString() &&
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root["type"] == "set_paths")
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{
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if(root.isMember("webroot") &&
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root["webroot"].isString())
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{
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std::string path(root["webroot"].asString());
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if(convert_path_to_win(path))
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root["webroot"] = path;
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}
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if(root.isMember("models") &&
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root["models"].isString())
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{
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std::string path(root["models"].asString());
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if(convert_path_to_win(path))
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root["models"] = path;
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}
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Json::FastWriter writer;
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std::string contents(writer.write(root));
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char *ret = (char *)malloc(contents.length() + 1);
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if(!ret)
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return NULL;
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size_t len = contents.copy(ret, contents.length());
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ret[len] = 0;
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return ret;
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}
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return NULL;
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}
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char *json_convert_startup_info(const char *startup_info)
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{
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std::string src_path;
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Json::Reader reader;
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Json::Value root;
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char *dst_path;
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size_t len;
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char *ret;
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if(!startup_info || !reader.parse(startup_info, root))
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return NULL;
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if (!root.isMember("action_manifest_path") || !root["action_manifest_path"].isString())
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return NULL;
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src_path = root["action_manifest_path"].asString();
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WINE_TRACE("action_manifest_path %s.\n", src_path.c_str());
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if (!(dst_path = vrclient_dos_to_unix_path(src_path.c_str())))
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{
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WINE_ERR("error converting path %s.\n", src_path.c_str());
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return NULL;
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}
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WINE_TRACE("converted path %s.\n", dst_path);
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root["action_manifest_path"] = dst_path;
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Json::FastWriter writer;
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std::string contents(writer.write(root));
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ret = (char *)malloc(contents.length() + 1);
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len = contents.copy(ret, contents.length());
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ret[len] = 0;
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vrclient_free_path(dst_path);
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return ret;
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}
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}
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