From 1ad9d25a37d747e38d99bcc2dacefc1cbe4b9045 Mon Sep 17 00:00:00 2001 From: Ralph Wuerthner Date: Wed, 10 Jul 2013 15:52:06 +0200 Subject: [PATCH] s3:smbd: allow info class SMB_QUERY_FS_VOLUME_INFO to return partial data Reviewed-by: Jeremy Allison Reviewed-by: Volker Lendecke (cherry picked from commit ec46f6b91941e38dd92f8e0fb0f278592e3157b6) (cherry picked from commit 84eabf7b012fba624e900f2cc0294f2f1c598a46) --- source3/smbd/trans2.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/source3/smbd/trans2.c b/source3/smbd/trans2.c index 20d42f7ea25..575f96e816d 100644 --- a/source3/smbd/trans2.c +++ b/source3/smbd/trans2.c @@ -3144,6 +3144,13 @@ cBytesSector=%u, cUnitTotal=%u, cUnitAvail=%d\n", (unsigned int)st.st_ex_dev, (u DEBUG(5,("smbd_do_qfsinfo : SMB_QUERY_FS_VOLUME_INFO namelen = %d, vol=%s serv=%s\n", (int)strlen(vname),vname, lp_servicename(snum))); + if (max_data_bytes >= 24 && data_len > max_data_bytes) { + /* the client only requested a portion of the + volume label */ + data_len = max_data_bytes; + status = STATUS_BUFFER_OVERFLOW; + } + break; case SMB_QUERY_FS_SIZE_INFO: -- 2.11.4.GIT