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| author | Demi Marie Obenour <demi@invisiblethingslab.com> | 2021-07-20 22:58:42 -0400 |
|---|---|---|
| committer | Demi Marie Obenour <demi@invisiblethingslab.com> | 2021-08-06 11:12:40 -0400 |
| commit | 31fb35a7afc782e857bf60e524e7d966dbcd2551 (patch) | |
| tree | 38374c9f9dc668f1030b6d710d517a42ec5a2609 | |
| parent | 7eba412072afdc9d27896410872e40364a8010bf (diff) | |
XFixes: add version check for byteswapped clients
The version check for byteswapped clients was missing.
| -rw-r--r-- | xfixes/xfixes.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/xfixes/xfixes.c b/xfixes/xfixes.c index 3ba7314a7..ecb6f298f 100644 --- a/xfixes/xfixes.c +++ b/xfixes/xfixes.c @@ -215,7 +215,11 @@ static _X_COLD int SProcXFixesDispatch(ClientPtr client) { REQUEST(xXFixesReq); - if (stuff->xfixesReqType >= XFixesNumberRequests) + XFixesClientPtr pXFixesClient = GetXFixesClient(client); + + if (pXFixesClient->major_version >= ARRAY_SIZE(version_requests)) + return BadRequest; + if (stuff->xfixesReqType > version_requests[pXFixesClient->major_version]) return BadRequest; return (*SProcXFixesVector[stuff->xfixesReqType]) (client); } |