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Prepare for encryption support (first part). Add decryption and encryption key generation. Thanks to Metze for helping with this.

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Reviewed-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Steve French <steve.french@primarydata.com>
This commit is contained in:
Steve French
2015-12-18 13:05:30 -06:00
committed by Steve French
parent 882137c4d6
commit 373512ec5c
10 changed files with 156 additions and 33 deletions
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13
fs/cifs/smb2ops.c
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@@ -182,6 +182,11 @@ smb2_find_mid(struct TCP_Server_Info *server, char *buf)
struct smb2_hdr *hdr = (struct smb2_hdr *)buf;
__u64 wire_mid = le64_to_cpu(hdr->MessageId);
if (hdr->ProtocolId == SMB2_TRANSFORM_PROTO_NUM) {
cifs_dbg(VFS, "encrypted frame parsing not supported yet");
return NULL;
}
spin_lock(&GlobalMid_Lock);
list_for_each_entry(mid, &server->pending_mid_q, qhead) {
if ((mid->mid == wire_mid) &&
@@ -1692,7 +1697,7 @@ struct smb_version_operations smb30_operations = {
.get_lease_key = smb2_get_lease_key,
.set_lease_key = smb2_set_lease_key,
.new_lease_key = smb2_new_lease_key,
.generate_signingkey = generate_smb3signingkey,
.generate_signingkey = generate_smb30signingkey,
.calc_signature = smb3_calc_signature,
.set_integrity = smb3_set_integrity,
.is_read_op = smb21_is_read_op,
@@ -1779,7 +1784,7 @@ struct smb_version_operations smb311_operations = {
.get_lease_key = smb2_get_lease_key,
.set_lease_key = smb2_set_lease_key,
.new_lease_key = smb2_new_lease_key,
.generate_signingkey = generate_smb3signingkey,
.generate_signingkey = generate_smb311signingkey,
.calc_signature = smb3_calc_signature,
.set_integrity = smb3_set_integrity,
.is_read_op = smb21_is_read_op,
@@ -1838,7 +1843,7 @@ struct smb_version_values smb21_values = {
struct smb_version_values smb30_values = {
.version_string = SMB30_VERSION_STRING,
.protocol_id = SMB30_PROT_ID,
.req_capabilities = SMB2_GLOBAL_CAP_DFS | SMB2_GLOBAL_CAP_LEASING | SMB2_GLOBAL_CAP_LARGE_MTU | SMB2_GLOBAL_CAP_PERSISTENT_HANDLES,
.req_capabilities = SMB2_GLOBAL_CAP_DFS | SMB2_GLOBAL_CAP_LEASING | SMB2_GLOBAL_CAP_LARGE_MTU | SMB2_GLOBAL_CAP_PERSISTENT_HANDLES | SMB2_GLOBAL_CAP_ENCRYPTION,
.large_lock_type = 0,
.exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK,
.shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK,
@@ -1858,7 +1863,7 @@ struct smb_version_values smb30_values = {
struct smb_version_values smb302_values = {
.version_string = SMB302_VERSION_STRING,
.protocol_id = SMB302_PROT_ID,
.req_capabilities = SMB2_GLOBAL_CAP_DFS | SMB2_GLOBAL_CAP_LEASING | SMB2_GLOBAL_CAP_LARGE_MTU | SMB2_GLOBAL_CAP_PERSISTENT_HANDLES,
.req_capabilities = SMB2_GLOBAL_CAP_DFS | SMB2_GLOBAL_CAP_LEASING | SMB2_GLOBAL_CAP_LARGE_MTU | SMB2_GLOBAL_CAP_PERSISTENT_HANDLES | SMB2_GLOBAL_CAP_ENCRYPTION,
.large_lock_type = 0,
.exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK,
.shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK,