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authorAndrew Bartlett <abartlet@samba.org>2011-07-27 13:34:34 +1000
committerAndrew Bartlett <abartlet@samba.org>2011-08-03 18:48:03 +1000
commitd69843c908d2dab9f5296096eccf8650296b79f4 (patch)
treea1881623bac18445011e4a6344568c6dc78cef63 /source3/libsmb
parentdee845eb70379feae89940e9535541f7957c60d9 (diff)
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s3-ntlmssp Add hooks to optionally call into GENSEC in auth_ntlmssp
This allows the current behaviour of the NTLMSSP code to be unchanged while adding a way to hook in an alternate implementation via an auth module. Andrew Bartlett Signed-off-by: Andrew Tridgell <tridge@samba.org>
Diffstat (limited to 'source3/libsmb')
-rw-r--r--source3/libsmb/ntlmssp_wrap.c53
1 files changed, 52 insertions, 1 deletions
diff --git a/source3/libsmb/ntlmssp_wrap.c b/source3/libsmb/ntlmssp_wrap.c
index de883dd8cb..43cde19b3b 100644
--- a/source3/libsmb/ntlmssp_wrap.c
+++ b/source3/libsmb/ntlmssp_wrap.c
@@ -21,6 +21,7 @@
#include "includes.h"
#include "libcli/auth/ntlmssp.h"
#include "ntlmssp_wrap.h"
+#include "auth/gensec/gensec.h"
NTSTATUS auth_ntlmssp_sign_packet(struct auth_ntlmssp_state *ans,
TALLOC_CTX *sig_mem_ctx,
@@ -30,6 +31,10 @@ NTSTATUS auth_ntlmssp_sign_packet(struct auth_ntlmssp_state *ans,
size_t pdu_length,
DATA_BLOB *sig)
{
+ if (ans->gensec_security) {
+ return gensec_sign_packet(ans->gensec_security,
+ sig_mem_ctx, data, length, whole_pdu, pdu_length, sig);
+ }
return ntlmssp_sign_packet(ans->ntlmssp_state,
sig_mem_ctx,
data, length,
@@ -44,6 +49,10 @@ NTSTATUS auth_ntlmssp_check_packet(struct auth_ntlmssp_state *ans,
size_t pdu_length,
const DATA_BLOB *sig)
{
+ if (ans->gensec_security) {
+ return gensec_check_packet(ans->gensec_security,
+ data, length, whole_pdu, pdu_length, sig);
+ }
return ntlmssp_check_packet(ans->ntlmssp_state,
data, length,
whole_pdu, pdu_length,
@@ -58,6 +67,10 @@ NTSTATUS auth_ntlmssp_seal_packet(struct auth_ntlmssp_state *ans,
size_t pdu_length,
DATA_BLOB *sig)
{
+ if (ans->gensec_security) {
+ return gensec_seal_packet(ans->gensec_security,
+ sig_mem_ctx, data, length, whole_pdu, pdu_length, sig);
+ }
return ntlmssp_seal_packet(ans->ntlmssp_state,
sig_mem_ctx,
data, length,
@@ -72,6 +85,10 @@ NTSTATUS auth_ntlmssp_unseal_packet(struct auth_ntlmssp_state *ans,
size_t pdu_length,
const DATA_BLOB *sig)
{
+ if (ans->gensec_security) {
+ return gensec_unseal_packet(ans->gensec_security,
+ data, length, whole_pdu, pdu_length, sig);
+ }
return ntlmssp_unseal_packet(ans->ntlmssp_state,
data, length,
whole_pdu, pdu_length,
@@ -80,17 +97,26 @@ NTSTATUS auth_ntlmssp_unseal_packet(struct auth_ntlmssp_state *ans,
bool auth_ntlmssp_negotiated_sign(struct auth_ntlmssp_state *ans)
{
+ if (ans->gensec_security) {
+ return gensec_have_feature(ans->gensec_security, GENSEC_FEATURE_SIGN);
+ }
return ans->ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_SIGN;
}
bool auth_ntlmssp_negotiated_seal(struct auth_ntlmssp_state *ans)
{
+ if (ans->gensec_security) {
+ return gensec_have_feature(ans->gensec_security, GENSEC_FEATURE_SEAL);
+ }
return ans->ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_SEAL;
}
/* Needed for 'smb username' processing */
const char *auth_ntlmssp_get_username(struct auth_ntlmssp_state *ans)
{
+ if (ans->gensec_security) {
+ return ""; /* We can't get at this value, and it's just for the %U macros */
+ }
return ans->ntlmssp_state->user;
}
@@ -129,17 +155,42 @@ void auth_ntlmssp_or_flags(struct auth_ntlmssp_state *ans, uint32_t flags)
void auth_ntlmssp_want_feature(struct auth_ntlmssp_state *ans, uint32_t feature)
{
- ntlmssp_want_feature(ans->ntlmssp_state, feature);
+ if (ans->gensec_security) {
+ /* You need to negotiate signing to get a windows server to calculate a session key */
+ if (feature & NTLMSSP_FEATURE_SESSION_KEY) {
+ return gensec_want_feature(ans->gensec_security, GENSEC_FEATURE_SESSION_KEY);
+ }
+ if (feature & NTLMSSP_FEATURE_SIGN) {
+ return gensec_want_feature(ans->gensec_security, GENSEC_FEATURE_SIGN);
+ }
+ if (feature & NTLMSSP_FEATURE_SEAL) {
+ return gensec_want_feature(ans->gensec_security, GENSEC_FEATURE_SEAL);
+ }
+ } else {
+ ntlmssp_want_feature(ans->ntlmssp_state, feature);
+ }
}
DATA_BLOB auth_ntlmssp_get_session_key(struct auth_ntlmssp_state *ans, TALLOC_CTX *mem_ctx)
{
+ if (ans->gensec_security) {
+ DATA_BLOB session_key;
+ NTSTATUS status = gensec_session_key(ans->gensec_security, mem_ctx, &session_key);
+ if (NT_STATUS_IS_OK(status)) {
+ return session_key;
+ } else {
+ return data_blob_null;
+ }
+ }
return data_blob_talloc(mem_ctx, ans->ntlmssp_state->session_key.data, ans->ntlmssp_state->session_key.length);
}
NTSTATUS auth_ntlmssp_update(struct auth_ntlmssp_state *ans,
const DATA_BLOB request, DATA_BLOB *reply)
{
+ if (ans->gensec_security) {
+ return gensec_update(ans->gensec_security, ans, request, reply);
+ }
return ntlmssp_update(ans->ntlmssp_state, request, reply);
}