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authorJeff Layton <jlayton@redhat.com>2013-05-26 15:01:00 +0400
committerSteve French <smfrench@gmail.com>2013-06-24 10:56:43 +0400
commit28e11bd86d63ce18b481cd9f90bd5fa1b5ba746b (patch)
treea039b42511ec25fc96827f5bb894270965624a05 /fs/cifs
parente598d1d8fb512c7a4d86c729cdca30e87fe7cfc9 (diff)
downloadlinux-28e11bd86d63ce18b481cd9f90bd5fa1b5ba746b.tar.xz
cifs: add new fields to cifs_ses to track requested security flavor
Currently we have the overrideSecFlg field, but it's quite cumbersome to work with. Add some new fields that will eventually supercede it. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <smfrench@gmail.com>
Diffstat (limited to 'fs/cifs')
-rw-r--r--fs/cifs/cifsfs.c11
-rw-r--r--fs/cifs/cifsglob.h2
-rw-r--r--fs/cifs/connect.c4
3 files changed, 13 insertions, 4 deletions
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 3752b9f6d9e4..0f36654f22d0 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -312,11 +312,14 @@ cifs_show_address(struct seq_file *s, struct TCP_Server_Info *server)
}
static void
-cifs_show_security(struct seq_file *s, struct TCP_Server_Info *server)
+cifs_show_security(struct seq_file *s, struct cifs_ses *ses)
{
+ if (ses->sectype == Unspecified)
+ return;
+
seq_printf(s, ",sec=");
- switch (server->secType) {
+ switch (ses->sectype) {
case LANMAN:
seq_printf(s, "lanman");
break;
@@ -338,7 +341,7 @@ cifs_show_security(struct seq_file *s, struct TCP_Server_Info *server)
break;
}
- if (server->sec_mode & (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED))
+ if (ses->sign)
seq_printf(s, "i");
}
@@ -369,7 +372,7 @@ cifs_show_options(struct seq_file *s, struct dentry *root)
srcaddr = (struct sockaddr *)&tcon->ses->server->srcaddr;
seq_printf(s, ",vers=%s", tcon->ses->server->vals->version_string);
- cifs_show_security(s, tcon->ses->server);
+ cifs_show_security(s, tcon->ses);
cifs_show_cache_flavor(s, cifs_sb);
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MULTIUSER)
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 82ba4b974894..87d92e35e991 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -712,6 +712,8 @@ struct cifs_ses {
char *password;
struct session_key auth_key;
struct ntlmssp_auth *ntlmssp; /* ciphertext, flags, server challenge */
+ enum securityEnum sectype; /* what security flavor was specified? */
+ bool sign; /* is signing required? */
bool need_reconnect:1; /* connection reset, uid now invalid */
#ifdef CONFIG_CIFS_SMB2
__u16 session_flags;
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 160134902233..2a8b2107ad5f 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -2501,6 +2501,8 @@ cifs_get_smb_ses(struct TCP_Server_Info *server, struct smb_vol *volume_info)
ses->linux_uid = volume_info->linux_uid;
ses->overrideSecFlg = volume_info->secFlg;
+ ses->sectype = volume_info->sectype;
+ ses->sign = volume_info->sign;
mutex_lock(&ses->session_mutex);
rc = cifs_negotiate_protocol(xid, ses);
@@ -3918,6 +3920,8 @@ cifs_construct_tcon(struct cifs_sb_info *cifs_sb, kuid_t fsuid)
vol_info->nocase = master_tcon->nocase;
vol_info->local_lease = master_tcon->local_lease;
vol_info->no_linux_ext = !master_tcon->unix_ext;
+ vol_info->sectype = master_tcon->ses->sectype;
+ vol_info->sign = master_tcon->ses->sign;
rc = cifs_set_vol_auth(vol_info, master_tcon->ses);
if (rc) {