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authorJeff Layton <jlayton@redhat.com>2013-06-27 12:45:00 -0400
committerSteve French <smfrench@gmail.com>2013-06-27 23:42:18 -0500
commit50285882fdd919e2b9617fc844b4816b7833f115 (patch)
treedfe5f3d8ffd8ffd520f12234712ca3a07db69039 /fs
parente65a5cb41718e0eb17a470bc3acf2c3b2f00f1d0 (diff)
downloadlinux-50285882fdd919e2b9617fc844b4816b7833f115.tar.bz2
cifs: fix SMB2 signing enablement in cifs_enable_signing
Commit 9ddec56131 (cifs: move handling of signed connections into separate function) broke signing on SMB2/3 connections. While the code to enable signing on the connections was very similar between the two, the bits that get set in the sec_mode are different. Declare a couple of new smb_version_values fields and set them appropriately for SMB1 and SMB2/3. Then change cifs_enable_signing to use those instead. Reported-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com> Signed-off-by: Jeff Layton <jlayton@redhat.com> Tested-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com> Signed-off-by: Steve French <smfrench@gmail.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/cifs/cifsglob.h2
-rw-r--r--fs/cifs/cifssmb.c4
-rw-r--r--fs/cifs/smb1ops.c2
-rw-r--r--fs/cifs/smb2ops.c8
4 files changed, 14 insertions, 2 deletions
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index b0f077ebb590..e66b08882548 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -387,6 +387,8 @@ struct smb_version_values {
unsigned int cap_nt_find;
unsigned int cap_large_files;
unsigned int oplock_read;
+ __u16 signing_enabled;
+ __u16 signing_required;
};
#define HEADER_SIZE(server) (server->vals->header_size)
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index a35aad2060c5..bc7dfa857384 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -407,8 +407,8 @@ decode_ext_sec_blob(struct cifs_ses *ses, NEGOTIATE_RSP *pSMBr)
int
cifs_enable_signing(struct TCP_Server_Info *server, bool mnt_sign_required)
{
- bool srv_sign_required = server->sec_mode & SECMODE_SIGN_REQUIRED;
- bool srv_sign_enabled = server->sec_mode & SECMODE_SIGN_ENABLED;
+ bool srv_sign_required = server->sec_mode & server->vals->signing_required;
+ bool srv_sign_enabled = server->sec_mode & server->vals->signing_enabled;
bool mnt_sign_enabled = global_secflags & CIFSSEC_MAY_SIGN;
/*
diff --git a/fs/cifs/smb1ops.c b/fs/cifs/smb1ops.c
index b28aabd33edd..e813f04511d8 100644
--- a/fs/cifs/smb1ops.c
+++ b/fs/cifs/smb1ops.c
@@ -957,4 +957,6 @@ struct smb_version_values smb1_values = {
.cap_nt_find = CAP_NT_SMBS | CAP_NT_FIND,
.cap_large_files = CAP_LARGE_FILES,
.oplock_read = OPLOCK_READ,
+ .signing_enabled = SECMODE_SIGN_ENABLED,
+ .signing_required = SECMODE_SIGN_REQUIRED,
};
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index 48fe7c4dab7e..6d15cab95b99 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -729,6 +729,8 @@ struct smb_version_values smb20_values = {
.cap_nt_find = SMB2_NT_FIND,
.cap_large_files = SMB2_LARGE_FILES,
.oplock_read = SMB2_OPLOCK_LEVEL_II,
+ .signing_enabled = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED,
+ .signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED,
};
struct smb_version_values smb21_values = {
@@ -747,6 +749,8 @@ struct smb_version_values smb21_values = {
.cap_nt_find = SMB2_NT_FIND,
.cap_large_files = SMB2_LARGE_FILES,
.oplock_read = SMB2_OPLOCK_LEVEL_II,
+ .signing_enabled = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED,
+ .signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED,
};
struct smb_version_values smb30_values = {
@@ -765,6 +769,8 @@ struct smb_version_values smb30_values = {
.cap_nt_find = SMB2_NT_FIND,
.cap_large_files = SMB2_LARGE_FILES,
.oplock_read = SMB2_OPLOCK_LEVEL_II,
+ .signing_enabled = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED,
+ .signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED,
};
struct smb_version_values smb302_values = {
@@ -783,4 +789,6 @@ struct smb_version_values smb302_values = {
.cap_nt_find = SMB2_NT_FIND,
.cap_large_files = SMB2_LARGE_FILES,
.oplock_read = SMB2_OPLOCK_LEVEL_II,
+ .signing_enabled = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED,
+ .signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED,
};