VladPolskiy/mariadb-connector-j
1
0
Fork 0
mirror of https://github.com/mariadb-corporation/mariadb-connector-j.git synced 2025-07-23 05:12:56 +00:00
Code Issues Packages Projects Releases Wiki Activity

[CONJ-1252] GSSAPI error when exchanges from server starts with 0x01 byte

Browse Source
This commit is contained in:
Diego Dupin
2025-05-19 18:35:14 +02:00
parent 3481f52b33
commit 5281b67fea
2 changed files with 12 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
src/main/java/org/mariadb/jdbc/plugin/authentication/addon/gssapi/StandardGssapiAuthentication.java
View File

@ -93,6 +93,12 @@ public class StandardGssapiAuthentication implements GssapiAuth {
break;
}
ReadableByteBuf buf = in.readReusablePacket();
// server cannot allow plugin data packet to start with 0, 255 or 254,
// as connectors would treat it as an OK, Error or authentication switch packet
// server then these bytes with 0x001. Consequently, it escaped 0x01 byte too.
if (buf.getByte() == 0x01) buf.skip();
inToken = new byte[buf.readableBytes()];
buf.readBytes(inToken);
}

6
src/main/java/org/mariadb/jdbc/plugin/authentication/addon/gssapi/WindowsNativeSspiAuthentication.java
View File

@ -46,6 +46,12 @@ public class WindowsNativeSspiAuthentication implements GssapiAuth {
// Step 2: read server response token
ReadableByteBuf buf = in.readReusablePacket();
// server cannot allow plugin data packet to start with 0, 255 or 254,
// as connectors would treat it as an OK, Error or authentication switch packet
// server then these bytes with 0x001. Consequently, it escaped 0x01 byte too.
if (buf.getByte() == 0x01) buf.skip();
byte[] tokenForTheClientOnTheServer = new byte[buf.readableBytes()];
buf.readBytes(tokenForTheClientOnTheServer);
Sspi.SecBufferDesc continueToken =