#include "../libcli/auth/libcli_auth.h"
#include "../lib/crypto/crypto.h"
#include "auth/gensec/gensec.h"
+#include "auth/gensec/gensec_internal.h"
#include "auth/common_auth.h"
#include "param/param.h"
+#include "param/loadparm.h"
+#include "libds/common/roles.h"
-/**
- * Next state function for the Negotiate packet (GENSEC wrapper)
- *
- * @param gensec_security GENSEC state
- * @param out_mem_ctx Memory context for *out
- * @param in The request, as a DATA_BLOB. reply.data must be NULL
- * @param out The reply, as an allocated DATA_BLOB, caller to free.
- * @return Errors or MORE_PROCESSING_REQUIRED if (normal) a reply is required.
- */
-
-NTSTATUS gensec_ntlmssp_server_negotiate(struct gensec_security *gensec_security,
- TALLOC_CTX *out_mem_ctx,
- const DATA_BLOB request, DATA_BLOB *reply)
-{
- 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;
- return ntlmssp_server_negotiate(ntlmssp_state, out_mem_ctx, request, reply);
-}
-
-/**
- * Next state function for the Authenticate packet (GENSEC wrapper)
- *
- * @param gensec_security GENSEC state
- * @param out_mem_ctx Memory context for *out
- * @param in The request, as a DATA_BLOB. reply.data must be NULL
- * @param out The reply, as an allocated DATA_BLOB, caller to free.
- * @return Errors or NT_STATUS_OK if authentication sucessful
- */
-
-NTSTATUS gensec_ntlmssp_server_auth(struct gensec_security *gensec_security,
- TALLOC_CTX *out_mem_ctx,
- const DATA_BLOB in, DATA_BLOB *out)
-{
- 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;
- return ntlmssp_server_auth(ntlmssp_state, out_mem_ctx, in, out);
-}
-
-/**
- * Return the challenge as determined by the authentication subsystem
- * @return an 8 byte random challenge
- */
-
-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 auth4_context *auth_context = gensec_ntlmssp->gensec_security->auth_context;
- NTSTATUS status = NT_STATUS_NOT_IMPLEMENTED;
-
- if (auth_context->get_challenge) {
- 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 status;
- }
- }
-
- return status;
-}
-
-/**
- * Some authentication methods 'fix' the challenge, so we may not be able to set it
- *
- * @return If the effective challenge used by the auth subsystem may be modified
- */
-static bool auth_ntlmssp_may_set_challenge(const struct ntlmssp_state *ntlmssp_state)
-{
- struct gensec_ntlmssp_context *gensec_ntlmssp =
- talloc_get_type_abort(ntlmssp_state->callback_private,
- struct gensec_ntlmssp_context);
- struct auth4_context *auth_context = gensec_ntlmssp->gensec_security->auth_context;
-
- if (auth_context->challenge_may_be_modified) {
- return auth_context->challenge_may_be_modified(auth_context);
- }
- return false;
-}
-
-/**
- * NTLM2 authentication modifies the effective challenge,
- * @param challenge The new challenge value
- */
-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 auth4_context *auth_context = gensec_ntlmssp->gensec_security->auth_context;
- NTSTATUS nt_status = NT_STATUS_NOT_IMPLEMENTED;
- const uint8_t *chal;
-
- if (challenge->length != 8) {
- return NT_STATUS_INVALID_PARAMETER;
- }
-
- chal = challenge->data;
-
- if (auth_context->set_challenge) {
- nt_status = auth_context->set_challenge(auth_context,
- chal,
- "NTLMSSP callback (NTLM2)");
- }
- return nt_status;
-}
-
-/**
- * Check the password on an NTLMSSP login.
- *
- * Return the session keys used on the connection.
- */
-
-static NTSTATUS auth_ntlmssp_check_password(struct ntlmssp_state *ntlmssp_state,
- TALLOC_CTX *mem_ctx,
- 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 auth4_context *auth_context = gensec_ntlmssp->gensec_security->auth_context;
- NTSTATUS nt_status = NT_STATUS_NOT_IMPLEMENTED;
- struct auth_usersupplied_info *user_info;
-
- user_info = talloc_zero(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 = ntlmssp_state->user;
- user_info->client.domain_name = ntlmssp_state->domain;
- user_info->workstation_name = ntlmssp_state->client.netbios_name;
- user_info->remote_host = gensec_get_remote_address(gensec_ntlmssp->gensec_security);
-
- user_info->password_state = AUTH_PASSWORD_RESPONSE;
- 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);
-
- if (auth_context->check_password) {
- nt_status = auth_context->check_password(auth_context,
- gensec_ntlmssp,
- user_info,
- &gensec_ntlmssp->server_returned_info,
- user_session_key, lm_session_key);
- }
- talloc_free(user_info);
- NT_STATUS_NOT_OK_RETURN(nt_status);
-
- talloc_steal(mem_ctx, user_session_key->data);
- talloc_steal(mem_ctx, lm_session_key->data);
-
- return nt_status;
-}
+#undef DBGC_CLASS
+#define DBGC_CLASS DBGC_AUTH
/**
* Return the credentials of a logged on user, including session keys
}
session_info_flags |= AUTH_SESSION_INFO_DEFAULT_GROUPS;
+ session_info_flags |= AUTH_SESSION_INFO_NTLM;
if (gensec_security->auth_context && gensec_security->auth_context->generate_session_info) {
- nt_status = gensec_security->auth_context->generate_session_info(mem_ctx, gensec_security->auth_context,
+ nt_status = gensec_security->auth_context->generate_session_info(gensec_security->auth_context, mem_ctx,
gensec_ntlmssp->server_returned_info,
gensec_ntlmssp->ntlmssp_state->user,
session_info_flags,
NTSTATUS nt_status;
struct ntlmssp_state *ntlmssp_state;
struct gensec_ntlmssp_context *gensec_ntlmssp;
+ const char *netbios_name;
+ const char *netbios_domain;
+ const char *dns_name;
+ const char *dns_domain;
+ enum server_role role;
+
+ role = lpcfg_server_role(gensec_security->settings->lp_ctx);
nt_status = gensec_ntlmssp_start(gensec_security);
NT_STATUS_NOT_OK_RETURN(nt_status);
if (!ntlmssp_state) {
return NT_STATUS_NO_MEMORY;
}
-
- ntlmssp_state->callback_private = gensec_ntlmssp;
-
gensec_ntlmssp->ntlmssp_state = ntlmssp_state;
- ntlmssp_state = gensec_ntlmssp->ntlmssp_state;
-
ntlmssp_state->role = NTLMSSP_SERVER;
ntlmssp_state->expected_state = NTLMSSP_NEGOTIATE;
- ntlmssp_state->allow_lm_key = (lpcfg_lanman_auth(gensec_security->settings->lp_ctx)
- && gensec_setting_bool(gensec_security->settings, "ntlmssp_server", "allow_lm_key", false));
+ ntlmssp_state->allow_lm_response =
+ lpcfg_lanman_auth(gensec_security->settings->lp_ctx);
+
+ if (ntlmssp_state->allow_lm_response &&
+ gensec_setting_bool(gensec_security->settings,
+ "ntlmssp_server", "allow_lm_key", false))
+ {
+ ntlmssp_state->allow_lm_key = true;
+ }
+
+ ntlmssp_state->force_old_spnego = false;
+
+ if (gensec_setting_bool(gensec_security->settings, "ntlmssp_server", "force_old_spnego", false)) {
+ /*
+ * For testing Windows 2000 mode
+ */
+ ntlmssp_state->force_old_spnego = true;
+ }
ntlmssp_state->neg_flags =
NTLMSSP_NEGOTIATE_NTLM | NTLMSSP_NEGOTIATE_VERSION;
- 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)) {
ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_128;
}
ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_NTLM2;
}
+ if (ntlmssp_state->allow_lm_key) {
+ ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_LM_KEY;
+ }
+
+ /*
+ * We always allow NTLMSSP_NEGOTIATE_SIGN and NTLMSSP_NEGOTIATE_SEAL.
+ *
+ * These will be removed if the client doesn't want them.
+ */
+ ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_SIGN;
+ ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_SEAL;
+
+ if (gensec_security->want_features & GENSEC_FEATURE_SESSION_KEY) {
+ ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_SIGN;
+ }
if (gensec_security->want_features & GENSEC_FEATURE_SIGN) {
ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_SIGN;
+
+ if (gensec_security->want_features & GENSEC_FEATURE_LDAP_STYLE) {
+ /*
+ * We need to handle NTLMSSP_NEGOTIATE_SIGN as
+ * NTLMSSP_NEGOTIATE_SEAL if GENSEC_FEATURE_LDAP_STYLE
+ * is requested.
+ */
+ ntlmssp_state->force_wrap_seal = true;
+ }
}
if (gensec_security->want_features & GENSEC_FEATURE_SEAL) {
ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_SIGN;
ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_SEAL;
}
- 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 (lpcfg_server_role(gensec_security->settings->lp_ctx) == ROLE_STANDALONE) {
+ if (role == ROLE_STANDALONE) {
ntlmssp_state->server.is_standalone = true;
} else {
ntlmssp_state->server.is_standalone = false;
}
- ntlmssp_state->server.netbios_name = lpcfg_netbios_name(gensec_security->settings->lp_ctx);
+ if (gensec_security->settings->server_netbios_name) {
+ netbios_name = gensec_security->settings->server_netbios_name;
+ } else {
+ netbios_name = lpcfg_netbios_name(gensec_security->settings->lp_ctx);
+ }
- ntlmssp_state->server.netbios_domain = lpcfg_workgroup(gensec_security->settings->lp_ctx);
+ if (gensec_security->settings->server_netbios_domain) {
+ netbios_domain = gensec_security->settings->server_netbios_domain;
+ } else {
+ netbios_domain = lpcfg_workgroup(gensec_security->settings->lp_ctx);
+ }
- {
+ if (gensec_security->settings->server_dns_name) {
+ dns_name = gensec_security->settings->server_dns_name;
+ } else {
const char *dnsdomain = lpcfg_dnsdomain(gensec_security->settings->lp_ctx);
- char *dnsname, *lower_netbiosname;
- lower_netbiosname = strlower_talloc(ntlmssp_state, ntlmssp_state->server.netbios_name);
+ char *lower_netbiosname;
+
+ lower_netbiosname = strlower_talloc(ntlmssp_state, netbios_name);
+ NT_STATUS_HAVE_NO_MEMORY(lower_netbiosname);
/* Find out the DNS host name */
if (dnsdomain && dnsdomain[0] != '\0') {
- dnsname = talloc_asprintf(ntlmssp_state, "%s.%s",
- lower_netbiosname,
- dnsdomain);
+ dns_name = talloc_asprintf(ntlmssp_state, "%s.%s",
+ lower_netbiosname,
+ dnsdomain);
talloc_free(lower_netbiosname);
- ntlmssp_state->server.dns_name = dnsname;
+ NT_STATUS_HAVE_NO_MEMORY(dns_name);
} else {
- ntlmssp_state->server.dns_name = lower_netbiosname;
+ dns_name = lower_netbiosname;
}
+ }
- NT_STATUS_HAVE_NO_MEMORY(ntlmssp_state->server.dns_name);
-
- ntlmssp_state->server.dns_domain
- = talloc_strdup(ntlmssp_state,
- lpcfg_dnsdomain(gensec_security->settings->lp_ctx));
- NT_STATUS_HAVE_NO_MEMORY(ntlmssp_state->server.dns_domain);
+ if (gensec_security->settings->server_dns_domain) {
+ dns_domain = gensec_security->settings->server_dns_domain;
+ } else {
+ dns_domain = lpcfg_dnsdomain(gensec_security->settings->lp_ctx);
}
+ ntlmssp_state->server.netbios_name = talloc_strdup(ntlmssp_state, netbios_name);
+ NT_STATUS_HAVE_NO_MEMORY(ntlmssp_state->server.netbios_name);
+
+ ntlmssp_state->server.netbios_domain = talloc_strdup(ntlmssp_state, netbios_domain);
+ NT_STATUS_HAVE_NO_MEMORY(ntlmssp_state->server.netbios_domain);
+
+ ntlmssp_state->server.dns_name = talloc_strdup(ntlmssp_state, dns_name);
+ NT_STATUS_HAVE_NO_MEMORY(ntlmssp_state->server.dns_name);
+
+ ntlmssp_state->server.dns_domain = talloc_strdup(ntlmssp_state, dns_domain);
+ NT_STATUS_HAVE_NO_MEMORY(ntlmssp_state->server.dns_domain);
+
+ ntlmssp_state->neg_flags |= ntlmssp_state->required_flags;
+ ntlmssp_state->conf_flags = ntlmssp_state->neg_flags;
+
return NT_STATUS_OK;
}
+
git.samba.org / nivanova / samba-autobuild / .git / blobdiff