From: Jeffrey Altman <jaltman@mit.edu>
Date: Mon, 19 Jul 2004 23:40:12 +0000 (+0000)
Subject: ioctl-freelance-20040719
X-Git-Tag: openafs-devel-1_3_66~33
X-Git-Url: https://git.openafs.org/?p=openafs.git;a=commitdiff_plain;h=25ec4c8140f765d5d25874947a12cc193ac2f88d

ioctl-freelance-20040719


Do not perform a Cell Search when the name matches the SMB IOCTL filename.
This is a special name and is not to be treated as a cell.  The failure
to find the name produces DNS queries as well as disk access.
---

diff --git a/src/WINNT/afsd/cm_cell.c b/src/WINNT/afsd/cm_cell.c
index 682be66..8314eef 100644
--- a/src/WINNT/afsd/cm_cell.c
+++ b/src/WINNT/afsd/cm_cell.c
@@ -68,6 +68,9 @@ cm_cell_t *cm_GetCell_Gen(char *namep, char *newnamep, long flags)
 	int ttl;
 	char fullname[200]="";
 
+	if (!strcmp(namep,SMB_IOCTL_FILENAME_NOSLASH))
+		return NULL;
+
 	lock_ObtainWrite(&cm_cellLock);
 	for (cp = cm_allCellsp; cp; cp=cp->nextp) {
 		if (strcmp(namep, cp->namep) == 0) {
diff --git a/src/WINNT/afsd/smb_ioctl.h b/src/WINNT/afsd/smb_ioctl.h
index db157b9..bce9e84 100644
--- a/src/WINNT/afsd/smb_ioctl.h
+++ b/src/WINNT/afsd/smb_ioctl.h
@@ -12,6 +12,7 @@
 
 /* magic file name for ioctl opens */
 #define SMB_IOCTL_FILENAME	"\\_._AFS_IOCTL_._"	/* double backslashes for C compiler */
+#define SMB_IOCTL_FILENAME_NOSLASH "_._AFS_IOCTL_._"
 
 /* max parms for ioctl, in either direction */
 #define SMB_IOCTL_MAXDATA	8192