#include "../libcli/auth/libcli_auth.h"
#include "../lib/crypto/crypto.h"
#include "auth/gensec/gensec.h"
+#include "auth/gensec/gensec_proto.h"
#include "auth/auth.h"
#include "param/param.h"
*
*/
-static NTSTATUS ntlmssp_set_username(struct gensec_ntlmssp_state *gensec_ntlmssp_state, const char *user)
+static NTSTATUS ntlmssp_set_username(struct ntlmssp_state *ntlmssp_state, const char *user)
{
if (!user) {
/* it should be at least "" */
DEBUG(1, ("NTLMSSP failed to set username - cannot accept NULL username\n"));
return NT_STATUS_INVALID_PARAMETER;
}
- gensec_ntlmssp_state->user = talloc_strdup(gensec_ntlmssp_state, user);
- if (!gensec_ntlmssp_state->user) {
+ ntlmssp_state->user = talloc_strdup(ntlmssp_state, user);
+ if (!ntlmssp_state->user) {
return NT_STATUS_NO_MEMORY;
}
return NT_STATUS_OK;
* Set a domain on an NTLMSSP context - ensures it is talloc()ed
*
*/
-static NTSTATUS ntlmssp_set_domain(struct gensec_ntlmssp_state *gensec_ntlmssp_state, const char *domain)
+static NTSTATUS ntlmssp_set_domain(struct ntlmssp_state *ntlmssp_state, const char *domain)
{
- gensec_ntlmssp_state->domain = talloc_strdup(gensec_ntlmssp_state, domain);
- if (!gensec_ntlmssp_state->domain) {
+ ntlmssp_state->domain = talloc_strdup(ntlmssp_state, domain);
+ if (!ntlmssp_state->domain) {
return NT_STATUS_NO_MEMORY;
}
return NT_STATUS_OK;
* Set a workstation on an NTLMSSP context - ensures it is talloc()ed
*
*/
-static NTSTATUS ntlmssp_set_workstation(struct gensec_ntlmssp_state *gensec_ntlmssp_state, const char *workstation)
+static NTSTATUS ntlmssp_set_workstation(struct ntlmssp_state *ntlmssp_state, const char *workstation)
{
- gensec_ntlmssp_state->workstation = talloc_strdup(gensec_ntlmssp_state, workstation);
- if (!gensec_ntlmssp_state->workstation) {
+ ntlmssp_state->workstation = talloc_strdup(ntlmssp_state, workstation);
+ if (!ntlmssp_state->workstation) {
return NT_STATUS_NO_MEMORY;
}
return NT_STATUS_OK;
* Determine correct target name flags for reply, given server role
* and negotiated flags
*
- * @param gensec_ntlmssp_state NTLMSSP State
+ * @param ntlmssp_state NTLMSSP State
* @param neg_flags The flags from the packet
* @param chal_flags The flags to be set in the reply packet
* @return The 'target name' string.
*/
-static const char *ntlmssp_target_name(struct gensec_ntlmssp_state *gensec_ntlmssp_state,
+static const char *ntlmssp_target_name(struct ntlmssp_state *ntlmssp_state,
uint32_t neg_flags, uint32_t *chal_flags)
{
if (neg_flags & NTLMSSP_REQUEST_TARGET) {
*chal_flags |= NTLMSSP_NEGOTIATE_TARGET_INFO;
*chal_flags |= NTLMSSP_REQUEST_TARGET;
- if (gensec_ntlmssp_state->server_role == ROLE_STANDALONE) {
+ if (ntlmssp_state->server.is_standalone) {
*chal_flags |= NTLMSSP_TARGET_TYPE_SERVER;
- return gensec_ntlmssp_state->server_name;
+ return ntlmssp_state->server.netbios_name;
} else {
*chal_flags |= NTLMSSP_TARGET_TYPE_DOMAIN;
- return gensec_ntlmssp_state->domain;
+ return ntlmssp_state->server.netbios_domain;
};
} else {
return "";
TALLOC_CTX *out_mem_ctx,
const DATA_BLOB in, DATA_BLOB *out)
{
- struct gensec_ntlmssp_state *gensec_ntlmssp_state = (struct gensec_ntlmssp_state *)gensec_security->private_data;
+ struct gensec_ntlmssp_context *gensec_ntlmssp =
+ talloc_get_type_abort(gensec_security->private_data,
+ struct gensec_ntlmssp_context);
+ struct ntlmssp_state *ntlmssp_state = gensec_ntlmssp->ntlmssp_state;
DATA_BLOB struct_blob;
uint32_t neg_flags = 0;
uint32_t ntlmssp_command, chal_flags;
debug_ntlmssp_flags(neg_flags);
}
- ntlmssp_handle_neg_flags(gensec_ntlmssp_state, neg_flags, gensec_ntlmssp_state->allow_lm_key);
+ ntlmssp_handle_neg_flags(ntlmssp_state, neg_flags, ntlmssp_state->allow_lm_key);
/* Ask our caller what challenge they would like in the packet */
- status = gensec_ntlmssp_state->get_challenge(gensec_ntlmssp_state, cryptkey);
+ status = ntlmssp_state->get_challenge(ntlmssp_state, cryptkey);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(1, ("ntlmssp_server_negotiate: backend doesn't give a challenge: %s\n",
nt_errstr(status)));
}
/* Check if we may set the challenge */
- if (!gensec_ntlmssp_state->may_set_challenge(gensec_ntlmssp_state)) {
- gensec_ntlmssp_state->neg_flags &= ~NTLMSSP_NEGOTIATE_NTLM2;
+ if (!ntlmssp_state->may_set_challenge(ntlmssp_state)) {
+ ntlmssp_state->neg_flags &= ~NTLMSSP_NEGOTIATE_NTLM2;
}
/* The flags we send back are not just the negotiated flags,
* operate on 'chal_flags' from here on
*/
- chal_flags = gensec_ntlmssp_state->neg_flags;
+ chal_flags = ntlmssp_state->neg_flags;
/* get the right name to fill in as 'target' */
- target_name = ntlmssp_target_name(gensec_ntlmssp_state,
+ target_name = ntlmssp_target_name(ntlmssp_state,
neg_flags, &chal_flags);
if (target_name == NULL)
return NT_STATUS_INVALID_PARAMETER;
- gensec_ntlmssp_state->chal = data_blob_talloc(gensec_ntlmssp_state, cryptkey, 8);
- gensec_ntlmssp_state->internal_chal = data_blob_talloc(gensec_ntlmssp_state, cryptkey, 8);
+ ntlmssp_state->chal = data_blob_talloc(ntlmssp_state, cryptkey, 8);
+ ntlmssp_state->internal_chal = data_blob_talloc(ntlmssp_state, cryptkey, 8);
/* This creates the 'blob' of names that appears at the end of the packet */
if (chal_flags & NTLMSSP_NEGOTIATE_TARGET_INFO) {
- char dnsdomname[MAXHOSTNAMELEN], dnsname[MAXHOSTNAMELEN];
-
- /* Find out the DNS domain name */
- dnsdomname[0] = '\0';
- safe_strcpy(dnsdomname, lp_dnsdomain(gensec_security->settings->lp_ctx), sizeof(dnsdomname) - 1);
-
- /* Find out the DNS host name */
- safe_strcpy(dnsname, gensec_ntlmssp_state->server_name, sizeof(dnsname) - 1);
- if (dnsdomname[0] != '\0') {
- safe_strcat(dnsname, ".", sizeof(dnsname) - 1);
- safe_strcat(dnsname, dnsdomname, sizeof(dnsname) - 1);
- }
- strlower_m(dnsname);
-
msrpc_gen(out_mem_ctx,
&struct_blob, "aaaaa",
MsvAvNbDomainName, target_name,
- MsvAvNbComputerName, gensec_ntlmssp_state->server_name,
- MsvAvDnsDomainName, dnsdomname,
- MsvAvDnsComputerName, dnsname,
+ MsvAvNbComputerName, ntlmssp_state->server.netbios_name,
+ MsvAvDnsDomainName, ntlmssp_state->server.dns_domain,
+ MsvAvDnsComputerName, ntlmssp_state->server.dns_name,
MsvAvEOL, "");
} else {
struct_blob = data_blob(NULL, 0);
{
/* Marshal the packet in the right format, be it unicode or ASCII */
const char *gen_string;
- if (gensec_ntlmssp_state->unicode) {
+ if (ntlmssp_state->unicode) {
gen_string = "CdUdbddB";
} else {
gen_string = "CdAdbddB";
struct_blob.data, struct_blob.length);
}
- gensec_ntlmssp_state->expected_state = NTLMSSP_AUTH;
+ ntlmssp_state->expected_state = NTLMSSP_AUTH;
return NT_STATUS_MORE_PROCESSING_REQUIRED;
}
+struct ntlmssp_server_auth_state {
+ DATA_BLOB user_session_key;
+ DATA_BLOB lm_session_key;
+ /* internal variables used by KEY_EXCH (client-supplied user session key */
+ DATA_BLOB encrypted_session_key;
+ bool doing_ntlm2;
+ /* internal variables used by NTLM2 */
+ uint8_t session_nonce[16];
+};
+
/**
* Next state function for the Authenticate packet
*
- * @param gensec_ntlmssp_state NTLMSSP State
+ * @param ntlmssp_state NTLMSSP State
* @param request The request, as a DATA_BLOB
* @return Errors or NT_STATUS_OK.
*/
-static NTSTATUS ntlmssp_server_preauth(struct gensec_ntlmssp_state *gensec_ntlmssp_state,
+static NTSTATUS ntlmssp_server_preauth(struct ntlmssp_state *ntlmssp_state,
+ struct ntlmssp_server_auth_state *state,
const DATA_BLOB request)
{
uint32_t ntlmssp_command, auth_flags;
file_save("ntlmssp_auth.dat", request.data, request.length);
#endif
- if (gensec_ntlmssp_state->unicode) {
+ if (ntlmssp_state->unicode) {
parse_string = "CdBBUUUBd";
} else {
parse_string = "CdBBAAABd";
}
/* zero these out */
- data_blob_free(&gensec_ntlmssp_state->session_key);
- data_blob_free(&gensec_ntlmssp_state->lm_resp);
- data_blob_free(&gensec_ntlmssp_state->nt_resp);
- data_blob_free(&gensec_ntlmssp_state->encrypted_session_key);
+ data_blob_free(&ntlmssp_state->session_key);
+ data_blob_free(&ntlmssp_state->lm_resp);
+ data_blob_free(&ntlmssp_state->nt_resp);
- gensec_ntlmssp_state->user = NULL;
- gensec_ntlmssp_state->domain = NULL;
- gensec_ntlmssp_state->workstation = NULL;
+ ntlmssp_state->user = NULL;
+ ntlmssp_state->domain = NULL;
+ ntlmssp_state->workstation = NULL;
/* now the NTLMSSP encoded auth hashes */
- if (!msrpc_parse(gensec_ntlmssp_state,
+ if (!msrpc_parse(ntlmssp_state,
&request, parse_string,
"NTLMSSP",
&ntlmssp_command,
- &gensec_ntlmssp_state->lm_resp,
- &gensec_ntlmssp_state->nt_resp,
+ &ntlmssp_state->lm_resp,
+ &ntlmssp_state->nt_resp,
&domain,
&user,
&workstation,
- &gensec_ntlmssp_state->encrypted_session_key,
+ &state->encrypted_session_key,
&auth_flags)) {
DEBUG(10, ("ntlmssp_server_auth: failed to parse NTLMSSP (nonfatal):\n"));
dump_data(10, request.data, request.length);
/* zero this out */
- data_blob_free(&gensec_ntlmssp_state->encrypted_session_key);
+ data_blob_free(&state->encrypted_session_key);
auth_flags = 0;
/* Try again with a shorter string (Win9X truncates this packet) */
- if (gensec_ntlmssp_state->unicode) {
+ if (ntlmssp_state->unicode) {
parse_string = "CdBBUUU";
} else {
parse_string = "CdBBAAA";
}
/* now the NTLMSSP encoded auth hashes */
- if (!msrpc_parse(gensec_ntlmssp_state,
+ if (!msrpc_parse(ntlmssp_state,
&request, parse_string,
"NTLMSSP",
&ntlmssp_command,
- &gensec_ntlmssp_state->lm_resp,
- &gensec_ntlmssp_state->nt_resp,
+ &ntlmssp_state->lm_resp,
+ &ntlmssp_state->nt_resp,
&domain,
&user,
&workstation)) {
}
}
+ talloc_steal(state, state->encrypted_session_key.data);
+
if (auth_flags)
- ntlmssp_handle_neg_flags(gensec_ntlmssp_state, auth_flags, gensec_ntlmssp_state->allow_lm_key);
+ ntlmssp_handle_neg_flags(ntlmssp_state, auth_flags, ntlmssp_state->allow_lm_key);
- if (!NT_STATUS_IS_OK(nt_status = ntlmssp_set_domain(gensec_ntlmssp_state, domain))) {
- /* zero this out */
- data_blob_free(&gensec_ntlmssp_state->encrypted_session_key);
+ if (!NT_STATUS_IS_OK(nt_status = ntlmssp_set_domain(ntlmssp_state, domain))) {
return nt_status;
}
- if (!NT_STATUS_IS_OK(nt_status = ntlmssp_set_username(gensec_ntlmssp_state, user))) {
- /* zero this out */
- data_blob_free(&gensec_ntlmssp_state->encrypted_session_key);
+ if (!NT_STATUS_IS_OK(nt_status = ntlmssp_set_username(ntlmssp_state, user))) {
return nt_status;
}
- if (!NT_STATUS_IS_OK(nt_status = ntlmssp_set_workstation(gensec_ntlmssp_state, workstation))) {
- /* zero this out */
- data_blob_free(&gensec_ntlmssp_state->encrypted_session_key);
+ if (!NT_STATUS_IS_OK(nt_status = ntlmssp_set_workstation(ntlmssp_state, workstation))) {
return nt_status;
}
DEBUG(3,("Got user=[%s] domain=[%s] workstation=[%s] len1=%lu len2=%lu\n",
- gensec_ntlmssp_state->user, gensec_ntlmssp_state->domain, gensec_ntlmssp_state->workstation, (unsigned long)gensec_ntlmssp_state->lm_resp.length, (unsigned long)gensec_ntlmssp_state->nt_resp.length));
+ ntlmssp_state->user, ntlmssp_state->domain, ntlmssp_state->workstation, (unsigned long)ntlmssp_state->lm_resp.length, (unsigned long)ntlmssp_state->nt_resp.length));
#if 0
- file_save("nthash1.dat", &gensec_ntlmssp_state->nt_resp.data, &gensec_ntlmssp_state->nt_resp.length);
- file_save("lmhash1.dat", &gensec_ntlmssp_state->lm_resp.data, &gensec_ntlmssp_state->lm_resp.length);
+ file_save("nthash1.dat", &ntlmssp_state->nt_resp.data, &ntlmssp_state->nt_resp.length);
+ file_save("lmhash1.dat", &ntlmssp_state->lm_resp.data, &ntlmssp_state->lm_resp.length);
#endif
/* NTLM2 uses a 'challenge' that is made of up both the server challenge, and a
However, the NTLM2 flag may still be set for the real NTLMv2 logins, be careful.
*/
- if (gensec_ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_NTLM2) {
- if (gensec_ntlmssp_state->nt_resp.length == 24 && gensec_ntlmssp_state->lm_resp.length == 24) {
+ if (ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_NTLM2) {
+ if (ntlmssp_state->nt_resp.length == 24 && ntlmssp_state->lm_resp.length == 24) {
struct MD5Context md5_session_nonce_ctx;
- SMB_ASSERT(gensec_ntlmssp_state->internal_chal.data
- && gensec_ntlmssp_state->internal_chal.length == 8);
+ SMB_ASSERT(ntlmssp_state->internal_chal.data
+ && ntlmssp_state->internal_chal.length == 8);
- gensec_ntlmssp_state->doing_ntlm2 = true;
+ state->doing_ntlm2 = true;
- memcpy(gensec_ntlmssp_state->crypt.ntlm2.session_nonce, gensec_ntlmssp_state->internal_chal.data, 8);
- memcpy(&gensec_ntlmssp_state->crypt.ntlm2.session_nonce[8], gensec_ntlmssp_state->lm_resp.data, 8);
+ memcpy(state->session_nonce, ntlmssp_state->internal_chal.data, 8);
+ memcpy(&state->session_nonce[8], ntlmssp_state->lm_resp.data, 8);
MD5Init(&md5_session_nonce_ctx);
- MD5Update(&md5_session_nonce_ctx, gensec_ntlmssp_state->crypt.ntlm2.session_nonce, 16);
+ MD5Update(&md5_session_nonce_ctx, state->session_nonce, 16);
MD5Final(session_nonce_hash, &md5_session_nonce_ctx);
- gensec_ntlmssp_state->chal = data_blob_talloc(gensec_ntlmssp_state,
+ ntlmssp_state->chal = data_blob_talloc(ntlmssp_state,
session_nonce_hash, 8);
/* LM response is no longer useful, zero it out */
- data_blob_free(&gensec_ntlmssp_state->lm_resp);
+ data_blob_free(&ntlmssp_state->lm_resp);
/* We changed the effective challenge - set it */
if (!NT_STATUS_IS_OK(nt_status =
- gensec_ntlmssp_state->set_challenge(gensec_ntlmssp_state,
- &gensec_ntlmssp_state->chal))) {
- /* zero this out */
- data_blob_free(&gensec_ntlmssp_state->encrypted_session_key);
+ ntlmssp_state->set_challenge(ntlmssp_state,
+ &ntlmssp_state->chal))) {
return nt_status;
}
/* LM Key is incompatible... */
- gensec_ntlmssp_state->neg_flags &= ~NTLMSSP_NEGOTIATE_LM_KEY;
+ ntlmssp_state->neg_flags &= ~NTLMSSP_NEGOTIATE_LM_KEY;
}
}
return NT_STATUS_OK;
* Next state function for the Authenticate packet
* (after authentication - figures out the session keys etc)
*
- * @param gensec_ntlmssp_state NTLMSSP State
+ * @param ntlmssp_state NTLMSSP State
* @return Errors or NT_STATUS_OK.
*/
static NTSTATUS ntlmssp_server_postauth(struct gensec_security *gensec_security,
- DATA_BLOB *user_session_key,
- DATA_BLOB *lm_session_key)
+ struct ntlmssp_server_auth_state *state)
{
- struct gensec_ntlmssp_state *gensec_ntlmssp_state = (struct gensec_ntlmssp_state *)gensec_security->private_data;
+ struct gensec_ntlmssp_context *gensec_ntlmssp =
+ talloc_get_type_abort(gensec_security->private_data,
+ struct gensec_ntlmssp_context);
+ struct ntlmssp_state *ntlmssp_state = gensec_ntlmssp->ntlmssp_state;
+ DATA_BLOB *user_session_key = &state->user_session_key;
+ DATA_BLOB *lm_session_key = &state->lm_session_key;
NTSTATUS nt_status;
DATA_BLOB session_key = data_blob(NULL, 0);
+ if (!(gensec_security->want_features
+ & (GENSEC_FEATURE_SIGN|GENSEC_FEATURE_SEAL|GENSEC_FEATURE_SESSION_KEY))) {
+ return NT_STATUS_OK;
+ }
+
if (user_session_key)
dump_data_pw("USER session key:\n", user_session_key->data, user_session_key->length);
dump_data_pw("LM first-8:\n", lm_session_key->data, lm_session_key->length);
/* Handle the different session key derivation for NTLM2 */
- if (gensec_ntlmssp_state->doing_ntlm2) {
+ if (state->doing_ntlm2) {
if (user_session_key && user_session_key->data && user_session_key->length == 16) {
- session_key = data_blob_talloc(gensec_ntlmssp_state, NULL, 16);
- hmac_md5(user_session_key->data, gensec_ntlmssp_state->crypt.ntlm2.session_nonce,
- sizeof(gensec_ntlmssp_state->crypt.ntlm2.session_nonce), session_key.data);
+ session_key = data_blob_talloc(ntlmssp_state, NULL, 16);
+ hmac_md5(user_session_key->data, state->session_nonce,
+ sizeof(state->session_nonce), session_key.data);
DEBUG(10,("ntlmssp_server_auth: Created NTLM2 session key.\n"));
dump_data_pw("NTLM2 session key:\n", session_key.data, session_key.length);
DEBUG(10,("ntlmssp_server_auth: Failed to create NTLM2 session key.\n"));
session_key = data_blob(NULL, 0);
}
- } else if ((gensec_ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_LM_KEY)
+ } else if ((ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_LM_KEY)
/* Ensure we can never get here on NTLMv2 */
- && (gensec_ntlmssp_state->nt_resp.length == 0 || gensec_ntlmssp_state->nt_resp.length == 24)) {
+ && (ntlmssp_state->nt_resp.length == 0 || ntlmssp_state->nt_resp.length == 24)) {
if (lm_session_key && lm_session_key->data && lm_session_key->length >= 8) {
- if (gensec_ntlmssp_state->lm_resp.data && gensec_ntlmssp_state->lm_resp.length == 24) {
- session_key = data_blob_talloc(gensec_ntlmssp_state, NULL, 16);
- SMBsesskeygen_lm_sess_key(lm_session_key->data, gensec_ntlmssp_state->lm_resp.data,
+ if (ntlmssp_state->lm_resp.data && ntlmssp_state->lm_resp.length == 24) {
+ session_key = data_blob_talloc(ntlmssp_state, NULL, 16);
+ SMBsesskeygen_lm_sess_key(lm_session_key->data, ntlmssp_state->lm_resp.data,
session_key.data);
DEBUG(10,("ntlmssp_server_auth: Created NTLM session key.\n"));
dump_data_pw("LM session key:\n", session_key.data, session_key.length);
/* When there is no LM response, just use zeros */
static const uint8_t zeros[24];
- session_key = data_blob_talloc(gensec_ntlmssp_state, NULL, 16);
+ session_key = data_blob_talloc(ntlmssp_state, NULL, 16);
SMBsesskeygen_lm_sess_key(zeros, zeros,
session_key.data);
DEBUG(10,("ntlmssp_server_auth: Created NTLM session key.\n"));
}
} else {
/* LM Key not selected */
- gensec_ntlmssp_state->neg_flags &= ~NTLMSSP_NEGOTIATE_LM_KEY;
+ ntlmssp_state->neg_flags &= ~NTLMSSP_NEGOTIATE_LM_KEY;
DEBUG(10,("ntlmssp_server_auth: Failed to create NTLM session key.\n"));
session_key = data_blob(NULL, 0);
}
} else if (user_session_key && user_session_key->data) {
- session_key = data_blob_talloc(gensec_ntlmssp_state, user_session_key->data, user_session_key->length);
+ session_key = data_blob_talloc(ntlmssp_state, user_session_key->data, user_session_key->length);
DEBUG(10,("ntlmssp_server_auth: Using unmodified nt session key.\n"));
dump_data_pw("unmodified session key:\n", session_key.data, session_key.length);
/* LM Key not selected */
- gensec_ntlmssp_state->neg_flags &= ~NTLMSSP_NEGOTIATE_LM_KEY;
+ ntlmssp_state->neg_flags &= ~NTLMSSP_NEGOTIATE_LM_KEY;
} else if (lm_session_key && lm_session_key->data) {
/* Very weird to have LM key, but no user session key, but anyway.. */
- session_key = data_blob_talloc(gensec_ntlmssp_state, lm_session_key->data, lm_session_key->length);
+ session_key = data_blob_talloc(ntlmssp_state, lm_session_key->data, lm_session_key->length);
DEBUG(10,("ntlmssp_server_auth: Using unmodified lm session key.\n"));
dump_data_pw("unmodified session key:\n", session_key.data, session_key.length);
/* LM Key not selected */
- gensec_ntlmssp_state->neg_flags &= ~NTLMSSP_NEGOTIATE_LM_KEY;
+ ntlmssp_state->neg_flags &= ~NTLMSSP_NEGOTIATE_LM_KEY;
} else {
DEBUG(10,("ntlmssp_server_auth: Failed to create unmodified session key.\n"));
session_key = data_blob(NULL, 0);
/* LM Key not selected */
- gensec_ntlmssp_state->neg_flags &= ~NTLMSSP_NEGOTIATE_LM_KEY;
+ ntlmssp_state->neg_flags &= ~NTLMSSP_NEGOTIATE_LM_KEY;
}
/* With KEY_EXCH, the client supplies the proposed session key,
but encrypts it with the long-term key */
- if (gensec_ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_KEY_EXCH) {
- if (!gensec_ntlmssp_state->encrypted_session_key.data
- || gensec_ntlmssp_state->encrypted_session_key.length != 16) {
- data_blob_free(&gensec_ntlmssp_state->encrypted_session_key);
+ if (ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_KEY_EXCH) {
+ if (!state->encrypted_session_key.data
+ || state->encrypted_session_key.length != 16) {
+ data_blob_free(&state->encrypted_session_key);
DEBUG(1, ("Client-supplied KEY_EXCH session key was of invalid length (%u)!\n",
- (unsigned)gensec_ntlmssp_state->encrypted_session_key.length));
+ (unsigned)state->encrypted_session_key.length));
return NT_STATUS_INVALID_PARAMETER;
} else if (!session_key.data || session_key.length != 16) {
DEBUG(5, ("server session key is invalid (len == %u), cannot do KEY_EXCH!\n",
(unsigned)session_key.length));
- gensec_ntlmssp_state->session_key = session_key;
+ ntlmssp_state->session_key = session_key;
} else {
dump_data_pw("KEY_EXCH session key (enc):\n",
- gensec_ntlmssp_state->encrypted_session_key.data,
- gensec_ntlmssp_state->encrypted_session_key.length);
- arcfour_crypt(gensec_ntlmssp_state->encrypted_session_key.data,
+ state->encrypted_session_key.data,
+ state->encrypted_session_key.length);
+ arcfour_crypt(state->encrypted_session_key.data,
session_key.data,
- gensec_ntlmssp_state->encrypted_session_key.length);
- gensec_ntlmssp_state->session_key = data_blob_talloc(gensec_ntlmssp_state,
- gensec_ntlmssp_state->encrypted_session_key.data,
- gensec_ntlmssp_state->encrypted_session_key.length);
- dump_data_pw("KEY_EXCH session key:\n", gensec_ntlmssp_state->encrypted_session_key.data,
- gensec_ntlmssp_state->encrypted_session_key.length);
+ state->encrypted_session_key.length);
+ ntlmssp_state->session_key = data_blob_talloc(ntlmssp_state,
+ state->encrypted_session_key.data,
+ state->encrypted_session_key.length);
+ dump_data_pw("KEY_EXCH session key:\n",
+ state->encrypted_session_key.data,
+ state->encrypted_session_key.length);
talloc_free(session_key.data);
}
} else {
- gensec_ntlmssp_state->session_key = session_key;
+ ntlmssp_state->session_key = session_key;
}
if ((gensec_security->want_features & GENSEC_FEATURE_SIGN)
|| (gensec_security->want_features & GENSEC_FEATURE_SEAL)) {
- nt_status = ntlmssp_sign_init(gensec_ntlmssp_state);
+ nt_status = ntlmssp_sign_init(ntlmssp_state);
} else {
nt_status = NT_STATUS_OK;
}
- data_blob_free(&gensec_ntlmssp_state->encrypted_session_key);
-
- /* allow arbitarily many authentications, but watch that this will cause a
- memory leak, until the gensec_ntlmssp_state is shutdown
- */
-
- if (gensec_ntlmssp_state->server_multiple_authentications) {
- gensec_ntlmssp_state->expected_state = NTLMSSP_AUTH;
- } else {
- gensec_ntlmssp_state->expected_state = NTLMSSP_DONE;
- }
+ ntlmssp_state->expected_state = NTLMSSP_DONE;
return nt_status;
}
TALLOC_CTX *out_mem_ctx,
const DATA_BLOB in, DATA_BLOB *out)
{
- struct gensec_ntlmssp_state *gensec_ntlmssp_state = (struct gensec_ntlmssp_state *)gensec_security->private_data;
- DATA_BLOB user_session_key = data_blob_null;
- DATA_BLOB lm_session_key = data_blob_null;
+ struct gensec_ntlmssp_context *gensec_ntlmssp =
+ talloc_get_type_abort(gensec_security->private_data,
+ struct gensec_ntlmssp_context);
+ struct ntlmssp_state *ntlmssp_state = gensec_ntlmssp->ntlmssp_state;
+ struct ntlmssp_server_auth_state *state;
NTSTATUS nt_status;
- TALLOC_CTX *mem_ctx = talloc_new(out_mem_ctx);
- if (!mem_ctx) {
- return NT_STATUS_NO_MEMORY;
- }
-
/* zero the outbound NTLMSSP packet */
*out = data_blob_null;
- if (!NT_STATUS_IS_OK(nt_status = ntlmssp_server_preauth(gensec_ntlmssp_state, in))) {
- talloc_free(mem_ctx);
+ state = talloc_zero(ntlmssp_state, struct ntlmssp_server_auth_state);
+ if (state == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ nt_status = ntlmssp_server_preauth(ntlmssp_state, state, in);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ TALLOC_FREE(state);
return nt_status;
}
*/
/* Finally, actually ask if the password is OK */
-
- if (!NT_STATUS_IS_OK(nt_status = gensec_ntlmssp_state->check_password(gensec_ntlmssp_state, mem_ctx,
- &user_session_key, &lm_session_key))) {
- talloc_free(mem_ctx);
+ nt_status = ntlmssp_state->check_password(ntlmssp_state,
+ &state->user_session_key,
+ &state->lm_session_key);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ TALLOC_FREE(state);
return nt_status;
}
- if (gensec_security->want_features
- & (GENSEC_FEATURE_SIGN|GENSEC_FEATURE_SEAL|GENSEC_FEATURE_SESSION_KEY)) {
- nt_status = ntlmssp_server_postauth(gensec_security, &user_session_key, &lm_session_key);
- talloc_free(mem_ctx);
+ nt_status = ntlmssp_server_postauth(gensec_security, state);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ TALLOC_FREE(state);
return nt_status;
- } else {
- talloc_free(mem_ctx);
- return NT_STATUS_OK;
}
+
+ TALLOC_FREE(state);
+ return NT_STATUS_OK;
}
/**
* @return an 8 byte random challenge
*/
-static NTSTATUS auth_ntlmssp_get_challenge(const struct gensec_ntlmssp_state *gensec_ntlmssp_state,
+static NTSTATUS auth_ntlmssp_get_challenge(const struct ntlmssp_state *ntlmssp_state,
uint8_t chal[8])
{
+ struct gensec_ntlmssp_context *gensec_ntlmssp =
+ talloc_get_type_abort(ntlmssp_state->callback_private,
+ struct gensec_ntlmssp_context);
+ struct auth_context *auth_context = gensec_ntlmssp->auth_context;
NTSTATUS status;
- status = gensec_ntlmssp_state->auth_context->get_challenge(gensec_ntlmssp_state->auth_context, chal);
+ status = auth_context->get_challenge(auth_context, chal);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(1, ("auth_ntlmssp_get_challenge: failed to get challenge: %s\n",
nt_errstr(status)));
*
* @return If the effective challenge used by the auth subsystem may be modified
*/
-static bool auth_ntlmssp_may_set_challenge(const struct gensec_ntlmssp_state *gensec_ntlmssp_state)
+static bool auth_ntlmssp_may_set_challenge(const struct ntlmssp_state *ntlmssp_state)
{
- return gensec_ntlmssp_state->auth_context->challenge_may_be_modified(gensec_ntlmssp_state->auth_context);
+ struct gensec_ntlmssp_context *gensec_ntlmssp =
+ talloc_get_type_abort(ntlmssp_state->callback_private,
+ struct gensec_ntlmssp_context);
+ struct auth_context *auth_context = gensec_ntlmssp->auth_context;
+
+ return auth_context->challenge_may_be_modified(auth_context);
}
/**
* NTLM2 authentication modifies the effective challenge,
* @param challenge The new challenge value
*/
-static NTSTATUS auth_ntlmssp_set_challenge(struct gensec_ntlmssp_state *gensec_ntlmssp_state, DATA_BLOB *challenge)
+static NTSTATUS auth_ntlmssp_set_challenge(struct ntlmssp_state *ntlmssp_state, DATA_BLOB *challenge)
{
+ struct gensec_ntlmssp_context *gensec_ntlmssp =
+ talloc_get_type_abort(ntlmssp_state->callback_private,
+ struct gensec_ntlmssp_context);
+ struct auth_context *auth_context = gensec_ntlmssp->auth_context;
NTSTATUS nt_status;
- struct auth_context *auth_context = gensec_ntlmssp_state->auth_context;
const uint8_t *chal;
if (challenge->length != 8) {
chal = challenge->data;
- nt_status = gensec_ntlmssp_state->auth_context->set_challenge(auth_context,
- chal,
- "NTLMSSP callback (NTLM2)");
+ nt_status = auth_context->set_challenge(auth_context,
+ chal,
+ "NTLMSSP callback (NTLM2)");
return nt_status;
}
* Return the session keys used on the connection.
*/
-static NTSTATUS auth_ntlmssp_check_password(struct gensec_ntlmssp_state *gensec_ntlmssp_state,
- TALLOC_CTX *mem_ctx,
- DATA_BLOB *user_session_key, DATA_BLOB *lm_session_key)
+static NTSTATUS auth_ntlmssp_check_password(struct ntlmssp_state *ntlmssp_state,
+ DATA_BLOB *user_session_key, DATA_BLOB *lm_session_key)
{
+ struct gensec_ntlmssp_context *gensec_ntlmssp =
+ talloc_get_type_abort(ntlmssp_state->callback_private,
+ struct gensec_ntlmssp_context);
+ struct auth_context *auth_context = gensec_ntlmssp->auth_context;
NTSTATUS nt_status;
struct auth_usersupplied_info *user_info;
- user_info = talloc(gensec_ntlmssp_state, struct auth_usersupplied_info);
+ user_info = talloc(ntlmssp_state, struct auth_usersupplied_info);
if (!user_info) {
return NT_STATUS_NO_MEMORY;
}
user_info->logon_parameters = MSV1_0_ALLOW_SERVER_TRUST_ACCOUNT | MSV1_0_ALLOW_WORKSTATION_TRUST_ACCOUNT;
user_info->flags = 0;
user_info->mapped_state = false;
- user_info->client.account_name = gensec_ntlmssp_state->user;
- user_info->client.domain_name = gensec_ntlmssp_state->domain;
- user_info->workstation_name = gensec_ntlmssp_state->workstation;
- user_info->remote_host = gensec_get_remote_address(gensec_ntlmssp_state->gensec_security);
+ user_info->client.account_name = ntlmssp_state->user;
+ user_info->client.domain_name = ntlmssp_state->domain;
+ user_info->workstation_name = ntlmssp_state->workstation;
+ user_info->remote_host = gensec_get_remote_address(gensec_ntlmssp->gensec_security);
user_info->password_state = AUTH_PASSWORD_RESPONSE;
- user_info->password.response.lanman = gensec_ntlmssp_state->lm_resp;
- user_info->password.response.lanman.data = talloc_steal(user_info, gensec_ntlmssp_state->lm_resp.data);
- user_info->password.response.nt = gensec_ntlmssp_state->nt_resp;
- user_info->password.response.nt.data = talloc_steal(user_info, gensec_ntlmssp_state->nt_resp.data);
-
- nt_status = gensec_ntlmssp_state->auth_context->check_password(gensec_ntlmssp_state->auth_context,
- gensec_ntlmssp_state,
- user_info,
- &gensec_ntlmssp_state->server_info);
+ user_info->password.response.lanman = ntlmssp_state->lm_resp;
+ user_info->password.response.lanman.data = talloc_steal(user_info, ntlmssp_state->lm_resp.data);
+ user_info->password.response.nt = ntlmssp_state->nt_resp;
+ user_info->password.response.nt.data = talloc_steal(user_info, ntlmssp_state->nt_resp.data);
+
+ nt_status = auth_context->check_password(auth_context,
+ gensec_ntlmssp,
+ user_info,
+ &gensec_ntlmssp->server_info);
talloc_free(user_info);
NT_STATUS_NOT_OK_RETURN(nt_status);
- if (gensec_ntlmssp_state->server_info->user_session_key.length) {
+ if (gensec_ntlmssp->server_info->user_session_key.length) {
DEBUG(10, ("Got NT session key of length %u\n",
- (unsigned)gensec_ntlmssp_state->server_info->user_session_key.length));
- *user_session_key = gensec_ntlmssp_state->server_info->user_session_key;
+ (unsigned)gensec_ntlmssp->server_info->user_session_key.length));
+ *user_session_key = gensec_ntlmssp->server_info->user_session_key;
}
- if (gensec_ntlmssp_state->server_info->lm_session_key.length) {
+ if (gensec_ntlmssp->server_info->lm_session_key.length) {
DEBUG(10, ("Got LM session key of length %u\n",
- (unsigned)gensec_ntlmssp_state->server_info->lm_session_key.length));
- *lm_session_key = gensec_ntlmssp_state->server_info->lm_session_key;
+ (unsigned)gensec_ntlmssp->server_info->lm_session_key.length));
+ *lm_session_key = gensec_ntlmssp->server_info->lm_session_key;
}
return nt_status;
}
struct auth_session_info **session_info)
{
NTSTATUS nt_status;
- struct gensec_ntlmssp_state *gensec_ntlmssp_state = (struct gensec_ntlmssp_state *)gensec_security->private_data;
-
- nt_status = auth_generate_session_info(gensec_ntlmssp_state, gensec_security->event_ctx, gensec_security->settings->lp_ctx, gensec_ntlmssp_state->server_info, session_info);
+ struct gensec_ntlmssp_context *gensec_ntlmssp =
+ talloc_get_type_abort(gensec_security->private_data,
+ struct gensec_ntlmssp_context);
+ struct ntlmssp_state *ntlmssp_state = gensec_ntlmssp->ntlmssp_state;
+
+ nt_status = gensec_generate_session_info(ntlmssp_state,
+ gensec_security,
+ gensec_ntlmssp->server_info,
+ session_info);
NT_STATUS_NOT_OK_RETURN(nt_status);
(*session_info)->session_key = data_blob_talloc(*session_info,
- gensec_ntlmssp_state->session_key.data,
- gensec_ntlmssp_state->session_key.length);
+ ntlmssp_state->session_key.data,
+ ntlmssp_state->session_key.length);
return NT_STATUS_OK;
}
NTSTATUS gensec_ntlmssp_server_start(struct gensec_security *gensec_security)
{
NTSTATUS nt_status;
- struct gensec_ntlmssp_state *gensec_ntlmssp_state;
+ struct ntlmssp_state *ntlmssp_state;
+ struct gensec_ntlmssp_context *gensec_ntlmssp;
nt_status = gensec_ntlmssp_start(gensec_security);
NT_STATUS_NOT_OK_RETURN(nt_status);
- gensec_ntlmssp_state = (struct gensec_ntlmssp_state *)gensec_security->private_data;
-
- gensec_ntlmssp_state->role = NTLMSSP_SERVER;
+ gensec_ntlmssp = talloc_get_type_abort(gensec_security->private_data,
+ struct gensec_ntlmssp_context);
+ ntlmssp_state = gensec_ntlmssp->ntlmssp_state;
- gensec_ntlmssp_state->workstation = NULL;
- gensec_ntlmssp_state->server_name = lp_netbios_name(gensec_security->settings->lp_ctx);
+ ntlmssp_state->role = NTLMSSP_SERVER;
- gensec_ntlmssp_state->domain = lp_workgroup(gensec_security->settings->lp_ctx);
+ ntlmssp_state->expected_state = NTLMSSP_NEGOTIATE;
- gensec_ntlmssp_state->expected_state = NTLMSSP_NEGOTIATE;
-
- gensec_ntlmssp_state->allow_lm_key = (lp_lanman_auth(gensec_security->settings->lp_ctx)
+ ntlmssp_state->allow_lm_key = (lp_lanman_auth(gensec_security->settings->lp_ctx)
&& gensec_setting_bool(gensec_security->settings, "ntlmssp_server", "allow_lm_key", false));
- gensec_ntlmssp_state->server_multiple_authentications = false;
-
- gensec_ntlmssp_state->neg_flags =
+ ntlmssp_state->neg_flags =
NTLMSSP_NEGOTIATE_NTLM | NTLMSSP_NEGOTIATE_VERSION;
- gensec_ntlmssp_state->lm_resp = data_blob(NULL, 0);
- gensec_ntlmssp_state->nt_resp = data_blob(NULL, 0);
- gensec_ntlmssp_state->encrypted_session_key = data_blob(NULL, 0);
+ ntlmssp_state->lm_resp = data_blob(NULL, 0);
+ ntlmssp_state->nt_resp = data_blob(NULL, 0);
if (gensec_setting_bool(gensec_security->settings, "ntlmssp_server", "128bit", true)) {
- gensec_ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_128;
+ ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_128;
}
if (gensec_setting_bool(gensec_security->settings, "ntlmssp_server", "56bit", true)) {
- gensec_ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_56;
+ ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_56;
}
if (gensec_setting_bool(gensec_security->settings, "ntlmssp_server", "keyexchange", true)) {
- gensec_ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_KEY_EXCH;
+ ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_KEY_EXCH;
}
if (gensec_setting_bool(gensec_security->settings, "ntlmssp_server", "alwayssign", true)) {
- gensec_ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_ALWAYS_SIGN;
+ ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_ALWAYS_SIGN;
}
if (gensec_setting_bool(gensec_security->settings, "ntlmssp_server", "ntlm2", true)) {
- gensec_ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_NTLM2;
+ ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_NTLM2;
}
if (gensec_security->want_features & GENSEC_FEATURE_SIGN) {
- gensec_ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_SIGN;
+ ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_SIGN;
}
if (gensec_security->want_features & GENSEC_FEATURE_SEAL) {
- gensec_ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_SEAL;
+ ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_SEAL;
+ }
+
+ gensec_ntlmssp->auth_context = gensec_security->auth_context;
+
+ ntlmssp_state->get_challenge = auth_ntlmssp_get_challenge;
+ ntlmssp_state->may_set_challenge = auth_ntlmssp_may_set_challenge;
+ ntlmssp_state->set_challenge = auth_ntlmssp_set_challenge;
+ ntlmssp_state->check_password = auth_ntlmssp_check_password;
+ if (lp_server_role(gensec_security->settings->lp_ctx) == ROLE_STANDALONE) {
+ ntlmssp_state->server.is_standalone = true;
+ } else {
+ ntlmssp_state->server.is_standalone = false;
}
- gensec_ntlmssp_state->auth_context = gensec_security->auth_context;
+ ntlmssp_state->server.netbios_name = lp_netbios_name(gensec_security->settings->lp_ctx);
- gensec_ntlmssp_state->get_challenge = auth_ntlmssp_get_challenge;
- gensec_ntlmssp_state->may_set_challenge = auth_ntlmssp_may_set_challenge;
- gensec_ntlmssp_state->set_challenge = auth_ntlmssp_set_challenge;
- gensec_ntlmssp_state->check_password = auth_ntlmssp_check_password;
- gensec_ntlmssp_state->server_role = lp_server_role(gensec_security->settings->lp_ctx);
+ ntlmssp_state->server.netbios_domain = lp_workgroup(gensec_security->settings->lp_ctx);
+
+ {
+ char dnsdomname[MAXHOSTNAMELEN], dnsname[MAXHOSTNAMELEN];
+
+ /* Find out the DNS domain name */
+ dnsdomname[0] = '\0';
+ safe_strcpy(dnsdomname, lp_dnsdomain(gensec_security->settings->lp_ctx), sizeof(dnsdomname) - 1);
+
+ /* Find out the DNS host name */
+ safe_strcpy(dnsname, ntlmssp_state->server.netbios_name, sizeof(dnsname) - 1);
+ if (dnsdomname[0] != '\0') {
+ safe_strcat(dnsname, ".", sizeof(dnsname) - 1);
+ safe_strcat(dnsname, dnsdomname, sizeof(dnsname) - 1);
+ }
+ strlower_m(dnsname);
+
+ ntlmssp_state->server.dns_name = talloc_strdup(ntlmssp_state,
+ dnsname);
+ NT_STATUS_HAVE_NO_MEMORY(ntlmssp_state->server.dns_name);
+
+ ntlmssp_state->server.dns_domain = talloc_strdup(ntlmssp_state,
+ dnsdomname);
+ NT_STATUS_HAVE_NO_MEMORY(ntlmssp_state->server.dns_domain);
+ }
return NT_STATUS_OK;
}
git.samba.org / gd / samba-autobuild / .git / blobdiff