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authorrubidium <rubidium@openttd.org>2010-11-26 22:25:02 +0000
committerrubidium <rubidium@openttd.org>2010-11-26 22:25:02 +0000
commit67f74559fc886f6d5afdd3cdd1475fad46d2b4f9 (patch)
treed7359217a2bf80cd45094f500fe647b4f6ef18d7 /src
parentc9a186c9fffdb885209f5ecde79565d8fc05dbe7 (diff)
downloadopenttd-67f74559fc886f6d5afdd3cdd1475fad46d2b4f9.tar.xz
(svn r21334) -Fix [FS#4271]: make (more) sure that the savegame and transferred file are the same file and not different ones
Diffstat (limited to 'src')
-rw-r--r--src/network/network_client.cpp14
-rw-r--r--src/network/network_client.h3
-rw-r--r--src/network/network_server.cpp11
3 files changed, 20 insertions, 8 deletions
diff --git a/src/network/network_client.cpp b/src/network/network_client.cpp
index 0882c644b..6a0254b44 100644
--- a/src/network/network_client.cpp
+++ b/src/network/network_client.cpp
@@ -55,6 +55,7 @@ ClientNetworkGameSocketHandler::~ClientNetworkGameSocketHandler()
/* If for whatever reason the handle isn't closed, do it now. */
if (this->download_file != NULL) fclose(this->download_file);
+ free(this->download_filename);
}
NetworkRecvStatus ClientNetworkGameSocketHandler::CloseConnection(NetworkRecvStatus status)
@@ -692,11 +693,16 @@ DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_MAP_BEGIN)
if (this->HasClientQuit()) return NETWORK_RECV_STATUS_CONN_LOST;
if (this->download_file != NULL) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
- this->download_file = FioFOpenFile("network_client.tmp", "wb", AUTOSAVE_DIR);
+ char filename[MAX_PATH];
+ FioGetDirectory(filename, lengthof(filename), AUTOSAVE_DIR);
+ strecat(filename, "network_client.tmp", lastof(filename));
+
+ this->download_file = FioFOpenFile(filename, "wb", NO_DIRECTORY);
if (this->download_file == NULL) {
_switch_mode_errorstr = STR_NETWORK_ERROR_SAVEGAMEERROR;
return NETWORK_RECV_STATUS_SAVEGAME;
}
+ this->download_filename = strdup(filename);
_frame_counter = _frame_counter_server = _frame_counter_max = p->Recv_uint32();
@@ -748,7 +754,11 @@ DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_MAP_DONE)
SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
/* The map is done downloading, load it */
- if (!SafeSaveOrLoad("network_client.tmp", SL_LOAD, GM_NORMAL, AUTOSAVE_DIR)) {
+ bool load_success = SafeSaveOrLoad(this->download_filename, SL_LOAD, GM_NORMAL, NO_DIRECTORY);
+ free(this->download_filename);
+ this->download_filename = NULL;
+
+ if (!load_success) {
DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
_switch_mode_errorstr = STR_NETWORK_ERROR_SAVEGAMEERROR;
return NETWORK_RECV_STATUS_SAVEGAME;
diff --git a/src/network/network_client.h b/src/network/network_client.h
index 597aec193..bfe4c7613 100644
--- a/src/network/network_client.h
+++ b/src/network/network_client.h
@@ -19,7 +19,8 @@
/** Class for handling the client side of the game connection. */
class ClientNetworkGameSocketHandler : public ZeroedMemoryAllocator, public NetworkGameSocketHandler {
private:
- FILE *download_file; ///< Handle used for downloading the savegame.
+ FILE *download_file; ///< Handle used for downloading the savegame.
+ char *download_filename; ///< File name of the downloading savegame, so we open the right one.
/** Status of the connection with the server. */
enum ServerStatus {
diff --git a/src/network/network_server.cpp b/src/network/network_server.cpp
index 42de4cd2f..9ccd4399d 100644
--- a/src/network/network_server.cpp
+++ b/src/network/network_server.cpp
@@ -371,22 +371,23 @@ NetworkRecvStatus ServerNetworkGameSocketHandler::SendMap()
}
if (this->status == STATUS_AUTHORIZED) {
- const char *filename = "network_server.tmp";
- Packet *p;
+ char filename[MAX_PATH];
+ FioGetDirectory(filename, lengthof(filename), AUTOSAVE_DIR);
+ strecat(filename, "network_server.tmp", lastof(filename));
/* Make a dump of the current game */
- if (SaveOrLoad(filename, SL_SAVE, AUTOSAVE_DIR) != SL_OK) usererror("network savedump failed");
+ if (SaveOrLoad(filename, SL_SAVE, NO_DIRECTORY) != SL_OK) usererror("network savedump failed");
if (file_pointer != NULL) fclose(file_pointer);
- file_pointer = FioFOpenFile(filename, "rb", AUTOSAVE_DIR);
+ file_pointer = FioFOpenFile(filename, "rb", NO_DIRECTORY);
if (file_pointer == NULL) usererror("network savedump failed - could not open just saved dump");
fseek(file_pointer, 0, SEEK_END);
if (ftell(file_pointer) == 0) usererror("network savedump failed - zero sized savegame?");
/* Now send the _frame_counter and how many packets are coming */
- p = new Packet(PACKET_SERVER_MAP_BEGIN);
+ Packet *p = new Packet(PACKET_SERVER_MAP_BEGIN);
p->Send_uint32(_frame_counter);
p->Send_uint32(ftell(file_pointer));
this->Send_Packet(p);