diff options
author | rubidium <rubidium@openttd.org> | 2014-04-23 21:19:54 +0000 |
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committer | rubidium <rubidium@openttd.org> | 2014-04-23 21:19:54 +0000 |
commit | 160ad31028c6d089ee9bc69581c9a25da00912aa (patch) | |
tree | fdc5824209073955caac85a67a9f791dafd8937e /src/network | |
parent | a5274117bdc323aedc95dbecea6014a308b9a9a0 (diff) | |
download | openttd-160ad31028c6d089ee9bc69581c9a25da00912aa.tar.xz |
(svn r26488) -Codechange: perform the appropriate length checks when getting a client name
Diffstat (limited to 'src/network')
-rw-r--r-- | src/network/network_client.cpp | 2 | ||||
-rw-r--r-- | src/network/network_internal.h | 2 | ||||
-rw-r--r-- | src/network/network_server.cpp | 10 |
3 files changed, 7 insertions, 7 deletions
diff --git a/src/network/network_client.cpp b/src/network/network_client.cpp index 8098c00c2..326af65d7 100644 --- a/src/network/network_client.cpp +++ b/src/network/network_client.cpp @@ -1231,7 +1231,7 @@ void NetworkUpdateClientName() if (!_network_server) { MyClient::SendSetName(_settings_client.network.client_name); } else { - if (NetworkFindName(_settings_client.network.client_name)) { + if (NetworkFindName(_settings_client.network.client_name, lastof(_settings_client.network.client_name))) { NetworkTextMessage(NETWORK_ACTION_NAME_CHANGE, CC_DEFAULT, false, ci->client_name, _settings_client.network.client_name); strecpy(ci->client_name, _settings_client.network.client_name, lastof(ci->client_name)); NetworkUpdateClientInfo(CLIENT_ID_SERVER); diff --git a/src/network/network_internal.h b/src/network/network_internal.h index 60862dd7f..ed9a8de6f 100644 --- a/src/network/network_internal.h +++ b/src/network/network_internal.h @@ -168,7 +168,7 @@ void NetworkError(StringID error_string); void NetworkTextMessage(NetworkAction action, TextColour colour, bool self_send, const char *name, const char *str = "", int64 data = 0); uint NetworkCalculateLag(const NetworkClientSocket *cs); StringID GetNetworkErrorMsg(NetworkErrorCode err); -bool NetworkFindName(char new_name[NETWORK_CLIENT_NAME_LENGTH]); +bool NetworkFindName(char *new_name, const char *last); const char *GenerateCompanyPasswordHash(const char *password, const char *password_server_id, uint32 password_game_seed); #endif /* ENABLE_NETWORK */ diff --git a/src/network/network_server.cpp b/src/network/network_server.cpp index 8396585d2..187dfdef8 100644 --- a/src/network/network_server.cpp +++ b/src/network/network_server.cpp @@ -941,7 +941,7 @@ NetworkRecvStatus ServerNetworkGameSocketHandler::Receive_CLIENT_JOIN(Packet *p) /* We need a valid name.. make it Player */ if (StrEmpty(name)) strecpy(name, "Player", lastof(name)); - if (!NetworkFindName(name)) { // Change name if duplicate + if (!NetworkFindName(name, lastof(name))) { // Change name if duplicate /* We could not create a name for this client */ return this->SendError(NETWORK_ERROR_NAME_IN_USE); } @@ -1443,7 +1443,7 @@ NetworkRecvStatus ServerNetworkGameSocketHandler::Receive_CLIENT_SET_NAME(Packet if (ci != NULL) { /* Display change */ - if (NetworkFindName(client_name)) { + if (NetworkFindName(client_name, lastof(client_name))) { NetworkTextMessage(NETWORK_ACTION_NAME_CHANGE, CC_DEFAULT, false, ci->client_name, client_name); strecpy(ci->client_name, client_name, lastof(ci->client_name)); NetworkUpdateClientInfo(ci->client_id); @@ -1701,15 +1701,15 @@ static void NetworkAutoCleanCompanies() /** * Check whether a name is unique, and otherwise try to make it unique. * @param new_name The name to check/modify. + * @param last The last writeable element of the buffer. * @return True if an unique name was achieved. */ -bool NetworkFindName(char new_name[NETWORK_CLIENT_NAME_LENGTH]) +bool NetworkFindName(char *new_name, const char *last) { bool found_name = false; uint number = 0; char original_name[NETWORK_CLIENT_NAME_LENGTH]; - /* We use NETWORK_CLIENT_NAME_LENGTH in here, because new_name is really a pointer */ strecpy(original_name, new_name, lastof(original_name)); while (!found_name) { @@ -1734,7 +1734,7 @@ bool NetworkFindName(char new_name[NETWORK_CLIENT_NAME_LENGTH]) /* Something's really wrong when there're more names than clients */ if (number++ > MAX_CLIENTS) break; - snprintf(new_name, NETWORK_CLIENT_NAME_LENGTH, "%s #%d", original_name, number); + seprintf(new_name, last, "%s #%d", original_name, number); } } |