From: Ben Gras <ben@minix3.org>
Date: Fri, 20 Jan 2006 12:43:19 +0000 (+0000)
Subject: Let other uids (temporarily) set their mapping.
X-Git-Tag: v3.1.2a~424
X-Git-Url: http://zhaoyanbai.com/repos/zlib_tech.html?a=commitdiff_plain;h=3bddaaf580f43fd0f58ca2ff69a744892ad70663;p=minix.git

Let other uids (temporarily) set their mapping.
---

diff --git a/servers/fs/const.h b/servers/fs/const.h
index b978ea2a3..139503fe3 100644
--- a/servers/fs/const.h
+++ b/servers/fs/const.h
@@ -28,6 +28,7 @@
 
 /* Miscellaneous constants */
 #define SU_UID 	 ((uid_t) 0)	/* super_user's uid_t */
+#define SERVERS_UID ((uid_t) 11) /* who may do FSSIGNON */
 #define SYS_UID  ((uid_t) 0)	/* uid_t for processes MM and INIT */
 #define SYS_GID  ((gid_t) 0)	/* gid_t for processes MM and INIT */
 #define NORMAL	           0	/* forces get_block to do disk read */
diff --git a/servers/fs/misc.c b/servers/fs/misc.c
index 59f96d825..4fd694784 100644
--- a/servers/fs/misc.c
+++ b/servers/fs/misc.c
@@ -496,7 +496,8 @@ PUBLIC int do_svrctl()
 	struct fssignon device;
 	int r, major;
 
-	if (fp->fp_effuid != SU_UID) return(EPERM);
+	if (fp->fp_effuid != SU_UID && fp->fp_effuid != SERVERS_UID)
+		return(EPERM);
 
 	/* Try to copy request structure to FS. */
 	if ((r = sys_datacopy(who, (vir_bytes) m_in.svrctl_argp,