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authorDarkvater <darkvater@openttd.org>2005-12-20 20:52:05 +0000
committerDarkvater <darkvater@openttd.org>2005-12-20 20:52:05 +0000
commit0f41b99c5e106e11708d0be478e7defb92f0a43a (patch)
treea8811c0d9f666534f8861378b0eb8b6629c5186b /network_udp.c
parent8f873d4ece827d8f95f8ded0f49b47dbe5942506 (diff)
downloadopenttd-0f41b99c5e106e11708d0be478e7defb92f0a43a.tar.xz
(svn r3322) - Fix: Network window crash when it receives invalid information for example from the integrated nightly, so validate the network-input when it is received
- CodeChange: added str_validate(char *str) function that checks if a string contains only printable characters and if not, replaces those characters by question marks. Also move IsValidAsciiChar() to string.h
Diffstat (limited to 'network_udp.c')
-rw-r--r--network_udp.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/network_udp.c b/network_udp.c
index a24e8da7d..28e5a0301 100644
--- a/network_udp.c
+++ b/network_udp.c
@@ -119,6 +119,12 @@ DEF_UDP_RECEIVE_COMMAND(PACKET_UDP_SERVER_RESPONSE)
item->info.map_set = NetworkRecv_uint8(&_udp_cs, p);
item->info.dedicated = NetworkRecv_uint8(&_udp_cs, p);
+ str_validate(item->info.server_name);
+ str_validate(item->info.server_revision);
+ str_validate(item->info.map_name);
+ if (item->info.server_lang >= NETWORK_NUM_LANGUAGES) item->info.server_lang = 0;
+ if (item->info.map_set >= NUM_LANDSCAPE ) item->info.map_set = 0;
+
if (item->info.hostname[0] == '\0')
snprintf(item->info.hostname, sizeof(item->info.hostname), "%s", inet_ntoa(client_addr->sin_addr));
}