lib/util: consolidate module loading into common code
[samba.git] / source4 / auth / ntlm / auth.c
index 771474c803d23fadd0c74fe929e57aa03dd1e267..802bc1b40fbdad1d6b3acd5c2a7484c0b98cd3e3 100644 (file)
 #include "auth/ntlm/auth_proto.h"
 #include "param/param.h"
 #include "dsdb/samdb/samdb.h"
-
+#include "libcli/wbclient/wbclient.h"
+#include "lib/util/samba_modules.h"
 
 /***************************************************************************
  Set a fixed challenge
 ***************************************************************************/
-_PUBLIC_ NTSTATUS auth_context_set_challenge(struct auth_context *auth_ctx, const uint8_t chal[8], const char *set_by) 
+_PUBLIC_ NTSTATUS auth_context_set_challenge(struct auth4_context *auth_ctx, const uint8_t chal[8], const char *set_by) 
 {
        auth_ctx->challenge.set_by = talloc_strdup(auth_ctx, set_by);
        NT_STATUS_HAVE_NO_MEMORY(auth_ctx->challenge.set_by);
@@ -45,7 +46,7 @@ _PUBLIC_ NTSTATUS auth_context_set_challenge(struct auth_context *auth_ctx, cons
 /***************************************************************************
  Set a fixed challenge
 ***************************************************************************/
-_PUBLIC_ bool auth_challenge_may_be_modified(struct auth_context *auth_ctx)
+_PUBLIC_ bool auth_challenge_may_be_modified(struct auth4_context *auth_ctx)
 {
        return auth_ctx->challenge.may_be_modified;
 }
@@ -54,7 +55,7 @@ _PUBLIC_ bool auth_challenge_may_be_modified(struct auth_context *auth_ctx)
  Try to get a challenge out of the various authentication modules.
  Returns a const char of length 8 bytes.
 ****************************************************************************/
-_PUBLIC_ NTSTATUS auth_get_challenge(struct auth_context *auth_ctx, uint8_t chal[8])
+_PUBLIC_ NTSTATUS auth_get_challenge(struct auth4_context *auth_ctx, uint8_t chal[8])
 {
        NTSTATUS nt_status;
        struct auth_method_context *method;
@@ -104,7 +105,7 @@ PAC isn't available, and for tokenGroups in the DSDB stack.
  Supply either a principal or a DN
 ****************************************************************************/
 _PUBLIC_ NTSTATUS auth_get_user_info_dc_principal(TALLOC_CTX *mem_ctx,
-                                                struct auth_context *auth_ctx,
+                                                struct auth4_context *auth_ctx,
                                                 const char *principal,
                                                 struct ldb_dn *user_dn,
                                                 struct auth_user_info_dc **user_info_dc)
@@ -155,7 +156,7 @@ _PUBLIC_ NTSTATUS auth_get_user_info_dc_principal(TALLOC_CTX *mem_ctx,
  *
  **/
 
-_PUBLIC_ NTSTATUS auth_check_password(struct auth_context *auth_ctx,
+_PUBLIC_ NTSTATUS auth_check_password(struct auth4_context *auth_ctx,
                             TALLOC_CTX *mem_ctx,
                             const struct auth_usersupplied_info *user_info, 
                             struct auth_user_info_dc **user_info_dc)
@@ -188,7 +189,7 @@ _PUBLIC_ NTSTATUS auth_check_password(struct auth_context *auth_ctx,
 }
 
 struct auth_check_password_state {
-       struct auth_context *auth_ctx;
+       struct auth4_context *auth_ctx;
        const struct auth_usersupplied_info *user_info;
        struct auth_user_info_dc *user_info_dc;
        struct auth_method_context *method;
@@ -225,7 +226,7 @@ static void auth_check_password_async_trigger(struct tevent_context *ev,
 
 _PUBLIC_ struct tevent_req *auth_check_password_send(TALLOC_CTX *mem_ctx,
                                struct tevent_context *ev,
-                               struct auth_context *auth_ctx,
+                               struct auth4_context *auth_ctx,
                                const struct auth_usersupplied_info *user_info)
 {
        struct tevent_req *req;
@@ -251,7 +252,7 @@ _PUBLIC_ struct tevent_req *auth_check_password_send(TALLOC_CTX *mem_ctx,
        state->user_info        = user_info;
 
        if (!user_info->mapped_state) {
-               nt_status = map_user_info(req, lpcfg_workgroup(auth_ctx->lp_ctx),
+               nt_status = map_user_info(auth_ctx->sam_ctx, req, lpcfg_workgroup(auth_ctx->lp_ctx),
                                          user_info, &user_info_tmp);
                if (tevent_req_nterror(req, nt_status)) {
                        return tevent_req_post(req, ev);
@@ -407,16 +408,37 @@ _PUBLIC_ NTSTATUS auth_check_password_recv(struct tevent_req *req,
 }
 
 /* Wrapper because we don't want to expose all callers to needing to
- * know that session_info is generated from the main ldb */
+ * know that session_info is generated from the main ldb, and because
+ * we need to break a depenency loop between the DCE/RPC layer and the
+ * generation of unix tokens via IRPC */
 static NTSTATUS auth_generate_session_info_wrapper(TALLOC_CTX *mem_ctx,
-                                                  struct auth_context *auth_context,
+                                                  struct auth4_context *auth_context,
                                                   struct auth_user_info_dc *user_info_dc,
                                                   uint32_t session_info_flags,
                                                   struct auth_session_info **session_info)
 {
-       return auth_generate_session_info(mem_ctx, auth_context->lp_ctx,
-                                         auth_context->sam_ctx, user_info_dc,
-                                         session_info_flags, session_info);
+       NTSTATUS status = auth_generate_session_info(mem_ctx, auth_context->lp_ctx,
+                                                    auth_context->sam_ctx, user_info_dc,
+                                                    session_info_flags, session_info);
+
+       if ((session_info_flags & AUTH_SESSION_INFO_UNIX_TOKEN)
+           && NT_STATUS_IS_OK(status)) {
+               struct wbc_context *wbc_ctx = wbc_init(auth_context,
+                                                      auth_context->msg_ctx,
+                                                      auth_context->event_ctx);
+               if (!wbc_ctx) {
+                       TALLOC_FREE(*session_info);
+                       DEBUG(1, ("Cannot contact winbind to provide unix token\n"));
+                       return NT_STATUS_INVALID_SERVER_STATE;
+               }
+               status = auth_session_info_fill_unix(wbc_ctx, auth_context->lp_ctx,
+                                                    *session_info);
+               if (!NT_STATUS_IS_OK(status)) {
+                       TALLOC_FREE(*session_info);
+               }
+               TALLOC_FREE(wbc_ctx);
+       }
+       return status;
 }
 
 /***************************************************************************
@@ -428,10 +450,10 @@ _PUBLIC_ NTSTATUS auth_context_create_methods(TALLOC_CTX *mem_ctx, const char **
                                              struct imessaging_context *msg,
                                              struct loadparm_context *lp_ctx,
                                              struct ldb_context *sam_ctx,
-                                             struct auth_context **auth_ctx)
+                                             struct auth4_context **auth_ctx)
 {
        int i;
-       struct auth_context *ctx;
+       struct auth4_context *ctx;
 
        auth4_init();
 
@@ -440,7 +462,7 @@ _PUBLIC_ NTSTATUS auth_context_create_methods(TALLOC_CTX *mem_ctx, const char **
                return NT_STATUS_INTERNAL_ERROR;
        }
 
-       ctx = talloc(mem_ctx, struct auth_context);
+       ctx = talloc(mem_ctx, struct auth4_context);
        NT_STATUS_HAVE_NO_MEMORY(ctx);
        ctx->challenge.set_by           = NULL;
        ctx->challenge.may_be_modified  = false;
@@ -487,19 +509,21 @@ _PUBLIC_ NTSTATUS auth_context_create_methods(TALLOC_CTX *mem_ctx, const char **
 
 const char **auth_methods_from_lp(TALLOC_CTX *mem_ctx, struct loadparm_context *lp_ctx)
 {
-       const char **auth_methods = NULL;
+       char **auth_methods = NULL;
+
        switch (lpcfg_server_role(lp_ctx)) {
        case ROLE_STANDALONE:
-               auth_methods = lpcfg_parm_string_list(mem_ctx, lp_ctx, NULL, "auth methods", "standalone", NULL);
+               auth_methods = str_list_make(mem_ctx, "anonymous sam_ignoredomain", NULL);
                break;
        case ROLE_DOMAIN_MEMBER:
-               auth_methods = lpcfg_parm_string_list(mem_ctx, lp_ctx, NULL, "auth methods", "member server", NULL);
+               auth_methods = str_list_make(mem_ctx, "anonymous sam winbind", NULL);
                break;
-       case ROLE_DOMAIN_CONTROLLER:
-               auth_methods = lpcfg_parm_string_list(mem_ctx, lp_ctx, NULL, "auth methods", "domain controller", NULL);
+       case ROLE_DOMAIN_BDC:
+       case ROLE_DOMAIN_PDC:
+               auth_methods = str_list_make(mem_ctx, "anonymous sam_ignoredomain winbind", NULL);
                break;
        }
-       return auth_methods;
+       return (const char **) auth_methods;
 }
 
 /***************************************************************************
@@ -510,7 +534,7 @@ _PUBLIC_ NTSTATUS auth_context_create(TALLOC_CTX *mem_ctx,
                             struct tevent_context *ev,
                             struct imessaging_context *msg,
                             struct loadparm_context *lp_ctx,
-                            struct auth_context **auth_ctx)
+                            struct auth4_context **auth_ctx)
 {
        NTSTATUS status;
        const char **auth_methods;
@@ -533,7 +557,7 @@ _PUBLIC_ NTSTATUS auth_context_create(TALLOC_CTX *mem_ctx,
    This allows us not to re-open the LDB when we need to do a some authentication logic (such as tokenGroups)
 
  */
-NTSTATUS auth_context_create_from_ldb(TALLOC_CTX *mem_ctx, struct ldb_context *ldb, struct auth_context **auth_ctx)
+NTSTATUS auth_context_create_from_ldb(TALLOC_CTX *mem_ctx, struct ldb_context *ldb, struct auth4_context **auth_ctx)
 {
        NTSTATUS status;
        const char **auth_methods;
@@ -620,10 +644,10 @@ const struct auth_operations *auth_backend_byname(const char *name)
 const struct auth_critical_sizes *auth_interface_version(void)
 {
        static const struct auth_critical_sizes critical_sizes = {
-               AUTH_INTERFACE_VERSION,
+               AUTH4_INTERFACE_VERSION,
                sizeof(struct auth_operations),
                sizeof(struct auth_method_context),
-               sizeof(struct auth_context),
+               sizeof(struct auth4_context),
                sizeof(struct auth_usersupplied_info),
                sizeof(struct auth_user_info_dc)
        };