s3-auth Move map to guest to directly after the check_password calls
[amitay/samba.git] / source3 / auth / auth_util.c
index 1b986a06408070e42f6ff4a915a06e97f664f7bd..1621630b876960013725736be0c15bd0171e30e2 100644 (file)
@@ -2,10 +2,10 @@
    Unix SMB/CIFS implementation.
    Authentication utility functions
    Copyright (C) Andrew Tridgell 1992-1998
-   Copyright (C) Andrew Bartlett 2001
+   Copyright (C) Andrew Bartlett 2001-2011
    Copyright (C) Jeremy Allison 2000-2001
    Copyright (C) Rafal Szczesniak 2002
-   Copyright (C) Volker Lendecke 2006
+   Copyright (C) Volker Lendecke 2006-2008
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -30,6 +30,8 @@
 #include "../lib/util/util_pw.h"
 #include "lib/winbind_util.h"
 #include "passdb.h"
+#include "../librpc/gen_ndr/ndr_auth.h"
+#include "../auth/auth_sam_reply.h"
 
 #undef DBGC_CLASS
 #define DBGC_CLASS DBGC_AUTH
@@ -89,6 +91,7 @@ NTSTATUS make_user_info_map(struct auth_usersupplied_info **user_info,
                            const char *smb_name,
                            const char *client_domain,
                            const char *workstation_name,
+                           const struct tsocket_address *remote_address,
                            DATA_BLOB *lm_pwd,
                            DATA_BLOB *nt_pwd,
                            const struct samr_Password *lm_interactive_pwd,
@@ -137,12 +140,12 @@ NTSTATUS make_user_info_map(struct auth_usersupplied_info **user_info,
 
        result = make_user_info(user_info, smb_name, internal_username,
                              client_domain, domain, workstation_name,
-                             lm_pwd, nt_pwd,
+                             remote_address, lm_pwd, nt_pwd,
                              lm_interactive_pwd, nt_interactive_pwd,
                              plaintext, password_state);
        if (NT_STATUS_IS_OK(result)) {
                /* We have tried mapping */
-               (*user_info)->mapped_state = True;
+               (*user_info)->mapped_state = true;
                /* did we actually map the user to a different name? */
                (*user_info)->was_mapped = was_mapped;
        }
@@ -158,6 +161,7 @@ bool make_user_info_netlogon_network(struct auth_usersupplied_info **user_info,
                                     const char *smb_name, 
                                     const char *client_domain, 
                                     const char *workstation_name,
+                                    const struct tsocket_address *remote_address,
                                     uint32 logon_parameters,
                                     const uchar *lm_network_pwd,
                                     int lm_pwd_len,
@@ -172,6 +176,7 @@ bool make_user_info_netlogon_network(struct auth_usersupplied_info **user_info,
        status = make_user_info_map(user_info,
                                    smb_name, client_domain, 
                                    workstation_name,
+                                   remote_address,
                                    lm_pwd_len ? &lm_blob : NULL, 
                                    nt_pwd_len ? &nt_blob : NULL,
                                    NULL, NULL, NULL,
@@ -180,7 +185,7 @@ bool make_user_info_netlogon_network(struct auth_usersupplied_info **user_info,
        if (NT_STATUS_IS_OK(status)) {
                (*user_info)->logon_parameters = logon_parameters;
        }
-       ret = NT_STATUS_IS_OK(status) ? True : False;
+       ret = NT_STATUS_IS_OK(status) ? true : false;
 
        data_blob_free(&lm_blob);
        data_blob_free(&nt_blob);
@@ -196,6 +201,7 @@ bool make_user_info_netlogon_interactive(struct auth_usersupplied_info **user_in
                                         const char *smb_name, 
                                         const char *client_domain, 
                                         const char *workstation_name,
+                                        const struct tsocket_address *remote_address,
                                         uint32 logon_parameters,
                                         const uchar chal[8], 
                                         const uchar lm_interactive_pwd[16], 
@@ -271,6 +277,7 @@ bool make_user_info_netlogon_interactive(struct auth_usersupplied_info **user_in
                nt_status = make_user_info_map(
                        user_info, 
                        smb_name, client_domain, workstation_name,
+                       remote_address,
                        lm_interactive_pwd ? &local_lm_blob : NULL,
                        nt_interactive_pwd ? &local_nt_blob : NULL,
                        lm_interactive_pwd ? &lm_pwd : NULL,
@@ -281,7 +288,7 @@ bool make_user_info_netlogon_interactive(struct auth_usersupplied_info **user_in
                        (*user_info)->logon_parameters = logon_parameters;
                }
 
-               ret = NT_STATUS_IS_OK(nt_status) ? True : False;
+               ret = NT_STATUS_IS_OK(nt_status) ? true : false;
                data_blob_free(&local_lm_blob);
                data_blob_free(&local_nt_blob);
                return ret;
@@ -296,6 +303,7 @@ bool make_user_info_netlogon_interactive(struct auth_usersupplied_info **user_in
 bool make_user_info_for_reply(struct auth_usersupplied_info **user_info,
                              const char *smb_name, 
                              const char *client_domain,
+                             const struct tsocket_address *remote_address,
                              const uint8 chal[8],
                              DATA_BLOB plaintext_password)
 {
@@ -336,12 +344,13 @@ bool make_user_info_for_reply(struct auth_usersupplied_info **user_info,
                                                   (const char *)plaintext_password.data,
                                                   plaintext_password.length);
        if (!plaintext_password_string) {
-               return False;
+               return false;
        }
 
        ret = make_user_info_map(
                user_info, smb_name, client_domain, 
                get_remote_machine_name(),
+               remote_address,
                local_lm_blob.data ? &local_lm_blob : NULL,
                local_nt_blob.data ? &local_nt_blob : NULL,
                NULL, NULL,
@@ -354,7 +363,7 @@ bool make_user_info_for_reply(struct auth_usersupplied_info **user_info,
        }
 
        data_blob_free(&local_lm_blob);
-       return NT_STATUS_IS_OK(ret) ? True : False;
+       return NT_STATUS_IS_OK(ret) ? true : false;
 }
 
 /****************************************************************************
@@ -363,12 +372,14 @@ bool make_user_info_for_reply(struct auth_usersupplied_info **user_info,
 
 NTSTATUS make_user_info_for_reply_enc(struct auth_usersupplied_info **user_info,
                                       const char *smb_name,
-                                      const char *client_domain, 
+                                      const char *client_domain,
+                                     const struct tsocket_address *remote_address,
                                       DATA_BLOB lm_resp, DATA_BLOB nt_resp)
 {
        return make_user_info_map(user_info, smb_name, 
                                  client_domain, 
-                                 get_remote_machine_name(), 
+                                 get_remote_machine_name(),
+                                 remote_address,
                                  lm_resp.data && (lm_resp.length > 0) ? &lm_resp : NULL,
                                  nt_resp.data && (nt_resp.length > 0) ? &nt_resp : NULL,
                                  NULL, NULL, NULL,
@@ -376,10 +387,11 @@ NTSTATUS make_user_info_for_reply_enc(struct auth_usersupplied_info **user_info,
 }
 
 /****************************************************************************
- Create a guest user_info blob, for anonymous authenticaion.
+ Create a guest user_info blob, for anonymous authentication.
 ****************************************************************************/
 
-bool make_user_info_guest(struct auth_usersupplied_info **user_info)
+bool make_user_info_guest(const struct tsocket_address *remote_address,
+                         struct auth_usersupplied_info **user_info)
 {
        NTSTATUS nt_status;
 
@@ -387,12 +399,13 @@ bool make_user_info_guest(struct auth_usersupplied_info **user_info)
                                   "","", 
                                   "","", 
                                   "", 
+                                  remote_address,
                                   NULL, NULL, 
                                   NULL, NULL, 
                                   NULL,
                                   AUTH_PASSWORD_RESPONSE);
 
-       return NT_STATUS_IS_OK(nt_status) ? True : False;
+       return NT_STATUS_IS_OK(nt_status) ? true : false;
 }
 
 static NTSTATUS log_nt_token(struct security_token *token)
@@ -444,13 +457,13 @@ static NTSTATUS log_nt_token(struct security_token *token)
 NTSTATUS create_local_token(TALLOC_CTX *mem_ctx,
                            const struct auth_serversupplied_info *server_info,
                            DATA_BLOB *session_key,
-                           struct auth_serversupplied_info **session_info_out)
+                           struct auth_session_info **session_info_out)
 {
        struct security_token *t;
        NTSTATUS status;
        size_t i;
        struct dom_sid tmp_sid;
-       struct auth_serversupplied_info *session_info;
+       struct auth_session_info *session_info;
        struct wbcUnixId *ids;
 
        /* Ensure we can't possible take a code path leading to a
@@ -459,12 +472,40 @@ NTSTATUS create_local_token(TALLOC_CTX *mem_ctx,
                return NT_STATUS_LOGON_FAILURE;
        }
 
-       session_info = copy_serverinfo(mem_ctx, server_info);
-
+       session_info = talloc_zero(mem_ctx, struct auth_session_info);
        if (!session_info) {
                return NT_STATUS_NO_MEMORY;
        }
 
+       session_info->unix_token = talloc_zero(session_info, struct security_unix_token);
+       if (!session_info->unix_token) {
+               TALLOC_FREE(session_info);
+               return NT_STATUS_NO_MEMORY;
+       }
+
+       session_info->unix_token->uid = server_info->utok.uid;
+       session_info->unix_token->gid = server_info->utok.gid;
+
+       session_info->unix_info = talloc_zero(session_info, struct auth_user_info_unix);
+       if (!session_info->unix_info) {
+               TALLOC_FREE(session_info);
+               return NT_STATUS_NO_MEMORY;
+       }
+
+       session_info->unix_info->unix_name = talloc_strdup(session_info, server_info->unix_name);
+       if (!session_info->unix_info->unix_name) {
+               TALLOC_FREE(session_info);
+               return NT_STATUS_NO_MEMORY;
+       }
+
+       session_info->unix_info->sanitized_username = talloc_strdup(session_info, server_info->sanitized_username);
+       if (!session_info->unix_info->sanitized_username) {
+               TALLOC_FREE(session_info);
+               return NT_STATUS_NO_MEMORY;
+       }
+
+       session_info->unix_info->system = server_info->system;
+
        if (session_key) {
                data_blob_free(&session_info->session_key);
                session_info->session_key = data_blob_talloc(session_info,
@@ -473,6 +514,9 @@ NTSTATUS create_local_token(TALLOC_CTX *mem_ctx,
                if (!session_info->session_key.data && session_key->length) {
                        return NT_STATUS_NO_MEMORY;
                }
+       } else {
+               session_info->session_key = data_blob_talloc( session_info, server_info->session_key.data,
+                                                             server_info->session_key.length);
        }
 
        if (session_info->security_token) {
@@ -480,10 +524,36 @@ NTSTATUS create_local_token(TALLOC_CTX *mem_ctx,
                 * (nasty hack to support a cached guest session_info,
                 * and a possible strategy for auth_samba4 to pass in
                 * a finalised session) */
+
+               session_info->security_token = dup_nt_token(session_info, server_info->security_token);
+               if (!session_info->security_token) {
+                       TALLOC_FREE(session_info);
+                       return NT_STATUS_NO_MEMORY;
+               }
+
+               session_info->unix_token->ngroups = server_info->utok.ngroups;
+               if (server_info->utok.ngroups != 0) {
+                       session_info->unix_token->groups = (gid_t *)talloc_memdup(
+                               session_info->unix_token, server_info->utok.groups,
+                               sizeof(gid_t)*session_info->unix_token->ngroups);
+               } else {
+                       session_info->unix_token->groups = NULL;
+               }
+
                *session_info_out = session_info;
                return NT_STATUS_OK;
        }
 
+       /* We need to populate session_info->info with the information found in server_info->info3 */
+       status = make_user_info_SamBaseInfo(session_info, "", &server_info->info3->base,
+                                           server_info->guest == false,
+                                           &session_info->info);
+       if (!NT_STATUS_IS_OK(status)) {
+               DEBUG(0, ("conversion of info3 into auth_user_info failed!\n"));
+               TALLOC_FREE(session_info);
+               return status;
+       }
+
        /*
         * If winbind is not around, we can not make much use of the SIDs the
         * domain controller provided us with. Likewise if the user name was
@@ -491,20 +561,23 @@ NTSTATUS create_local_token(TALLOC_CTX *mem_ctx,
         */
 
        if (((lp_server_role() == ROLE_DOMAIN_MEMBER) && !winbind_ping()) ||
-           (session_info->nss_token)) {
+           (server_info->nss_token)) {
+               char *found_username = NULL;
                status = create_token_from_username(session_info,
-                                                   session_info->unix_name,
-                                                   session_info->guest,
-                                                   &session_info->utok.uid,
-                                                   &session_info->utok.gid,
-                                                   &session_info->unix_name,
+                                                   server_info->unix_name,
+                                                   server_info->guest,
+                                                   &session_info->unix_token->uid,
+                                                   &session_info->unix_token->gid,
+                                                   &found_username,
                                                    &session_info->security_token);
-
+               if (NT_STATUS_IS_OK(status)) {
+                       session_info->unix_info->unix_name = found_username;
+               }
        } else {
                status = create_local_nt_token_from_info3(session_info,
-                                                         session_info->guest,
-                                                         session_info->info3,
-                                                         &session_info->extra,
+                                                         server_info->guest,
+                                                         server_info->info3,
+                                                         &server_info->extra,
                                                          &session_info->security_token);
        }
 
@@ -514,8 +587,8 @@ NTSTATUS create_local_token(TALLOC_CTX *mem_ctx,
 
        /* Convert the SIDs to gids. */
 
-       session_info->utok.ngroups = 0;
-       session_info->utok.groups = NULL;
+       session_info->unix_token->ngroups = 0;
+       session_info->unix_token->groups = NULL;
 
        t = session_info->security_token;
 
@@ -541,8 +614,8 @@ NTSTATUS create_local_token(TALLOC_CTX *mem_ctx,
                        continue;
                }
                if (!add_gid_to_array_unique(session_info, ids[i].id.gid,
-                                            &session_info->utok.groups,
-                                            &session_info->utok.ngroups)) {
+                                            &session_info->unix_token->groups,
+                                            &session_info->unix_token->ngroups)) {
                        return NT_STATUS_NO_MEMORY;
                }
        }
@@ -560,14 +633,14 @@ NTSTATUS create_local_token(TALLOC_CTX *mem_ctx,
         * the nt token.
         */
 
-       uid_to_unix_users_sid(session_info->utok.uid, &tmp_sid);
+       uid_to_unix_users_sid(session_info->unix_token->uid, &tmp_sid);
 
        add_sid_to_array_unique(session_info->security_token, &tmp_sid,
                                &session_info->security_token->sids,
                                &session_info->security_token->num_sids);
 
-       for ( i=0; i<session_info->utok.ngroups; i++ ) {
-               gid_to_unix_groups_sid(session_info->utok.groups[i], &tmp_sid);
+       for ( i=0; i<session_info->unix_token->ngroups; i++ ) {
+               gid_to_unix_groups_sid(session_info->unix_token->groups[i], &tmp_sid);
                add_sid_to_array_unique(session_info->security_token, &tmp_sid,
                                        &session_info->security_token->sids,
                                        &session_info->security_token->num_sids);
@@ -575,10 +648,10 @@ NTSTATUS create_local_token(TALLOC_CTX *mem_ctx,
 
        security_token_debug(DBGC_AUTH, 10, session_info->security_token);
        debug_unix_user_token(DBGC_AUTH, 10,
-                             session_info->utok.uid,
-                             session_info->utok.gid,
-                             session_info->utok.ngroups,
-                             session_info->utok.groups);
+                             session_info->unix_token->uid,
+                             session_info->unix_token->gid,
+                             session_info->unix_token->ngroups,
+                             session_info->unix_token->groups);
 
        status = log_nt_token(session_info->security_token);
        if (!NT_STATUS_IS_OK(status)) {
@@ -710,7 +783,7 @@ static NTSTATUS get_guest_info3(TALLOC_CTX *mem_ctx,
                return NT_STATUS_NO_SUCH_USER;
        }
 
-       /* Set acount name */
+       /* Set account name */
        tmp = talloc_strdup(mem_ctx, pwd->pw_name);
        if (tmp == NULL) {
                return NT_STATUS_NO_MEMORY;
@@ -738,6 +811,9 @@ static NTSTATUS get_guest_info3(TALLOC_CTX *mem_ctx,
        /* Primary gid */
        info3->base.primary_gid = BUILTIN_RID_GUESTS;
 
+       /* Set as guest */
+       info3->base.user_flags = NETLOGON_GUEST;
+
        TALLOC_FREE(pwd);
        return NT_STATUS_OK;
 }
@@ -749,13 +825,12 @@ static NTSTATUS get_guest_info3(TALLOC_CTX *mem_ctx,
 
  The resulting structure is a 'session_info' because
  create_local_token() has already been called on it.  This is quite
- nasty, as the auth subsystem isn't expect this, but the behaviour is
+ nasty, as the auth subsystem isn't expect this, but the behavior is
  left as-is for now.
 ***************************************************************************/
 
-static NTSTATUS make_new_server_info_guest(struct auth_serversupplied_info **session_info)
+static NTSTATUS make_new_session_info_guest(struct auth_session_info **session_info, struct auth_serversupplied_info **server_info)
 {
-       struct auth_serversupplied_info *server_info;
        static const char zeros[16] = {0};
        const char *guest_account = lp_guestaccount();
        const char *domain = lp_netbios_name();
@@ -773,45 +848,48 @@ static NTSTATUS make_new_server_info_guest(struct auth_serversupplied_info **ses
 
        status = get_guest_info3(tmp_ctx, &info3);
        if (!NT_STATUS_IS_OK(status)) {
+               DEBUG(0, ("get_guest_info3 failed with %s\n",
+                         nt_errstr(status)));
                goto done;
        }
 
        status = make_server_info_info3(tmp_ctx,
                                        guest_account,
                                        domain,
-                                       &server_info,
+                                       server_info,
                                        &info3);
        if (!NT_STATUS_IS_OK(status)) {
+               DEBUG(0, ("make_server_info_info3 failed with %s\n",
+                         nt_errstr(status)));
                goto done;
        }
 
-       server_info->guest = True;
+       (*server_info)->guest = true;
 
        /* This should not be done here (we should produce a server
         * info, and later construct a session info from it), but for
-        * now this does not change the previous behaviours */
-       status = create_local_token(tmp_ctx, server_info, NULL, session_info);
-       TALLOC_FREE(server_info);
+        * now this does not change the previous behavior */
+       status = create_local_token(tmp_ctx, *server_info, NULL, session_info);
        if (!NT_STATUS_IS_OK(status)) {
-               DEBUG(10, ("create_local_token failed: %s\n",
-                          nt_errstr(status)));
+               DEBUG(0, ("create_local_token failed: %s\n",
+                         nt_errstr(status)));
                goto done;
        }
        talloc_steal(NULL, *session_info);
+       talloc_steal(NULL, *server_info);
 
        /* annoying, but the Guest really does have a session key, and it is
           all zeros! */
        (*session_info)->session_key = data_blob(zeros, sizeof(zeros));
-       (*session_info)->lm_session_key = data_blob(zeros, sizeof(zeros));
 
-       alpha_strcpy(tmp, (*session_info)->info3->base.account_name.string,
+       alpha_strcpy(tmp, (*server_info)->info3->base.account_name.string,
                     ". _-$", sizeof(tmp));
-       (*session_info)->sanitized_username = talloc_strdup(*session_info, tmp);
+       (*session_info)->unix_info->sanitized_username = talloc_strdup(*session_info, tmp);
 
        status = NT_STATUS_OK;
 done:
        TALLOC_FREE(tmp_ctx);
-       return NT_STATUS_OK;
+       return status;
 }
 
 /***************************************************************************
@@ -820,7 +898,7 @@ done:
 ***************************************************************************/
 
 static NTSTATUS make_new_session_info_system(TALLOC_CTX *mem_ctx,
-                                           struct auth_serversupplied_info **session_info)
+                                           struct auth_session_info **session_info)
 {
        struct passwd *pwd;
        NTSTATUS status;
@@ -839,7 +917,7 @@ static NTSTATUS make_new_session_info_system(TALLOC_CTX *mem_ctx,
                return status;
        }
 
-       (*session_info)->system = true;
+       (*session_info)->unix_info->system = true;
 
        status = add_sid_to_array_unique((*session_info)->security_token->sids,
                                         &global_sid_System,
@@ -854,7 +932,7 @@ static NTSTATUS make_new_session_info_system(TALLOC_CTX *mem_ctx,
 }
 
 /****************************************************************************
-  Fake a auth_serversupplied_info just from a username (as a
+  Fake a auth_session_info just from a username (as a
   session_info structure, with create_local_token() already called on
   it.
 ****************************************************************************/
@@ -862,7 +940,7 @@ static NTSTATUS make_new_session_info_system(TALLOC_CTX *mem_ctx,
 NTSTATUS make_session_info_from_username(TALLOC_CTX *mem_ctx,
                                         const char *username,
                                         bool is_guest,
-                                        struct auth_serversupplied_info **session_info)
+                                        struct auth_session_info **session_info)
 {
        struct auth_serversupplied_info *result;
        struct passwd *pwd;
@@ -890,9 +968,22 @@ NTSTATUS make_session_info_from_username(TALLOC_CTX *mem_ctx,
        return status;
 }
 
-
-struct auth_serversupplied_info *copy_serverinfo(TALLOC_CTX *mem_ctx,
-                                                const struct auth_serversupplied_info *src)
+/* This function MUST only used to create the cached server_info for
+ * guest.
+ *
+ * This is a lossy conversion.  Variables known to be lost so far
+ * include:
+ *
+ * - nss_token (not needed because the only read doesn't happen
+ * for the GUEST user, as this routine populates ->security_token
+ *
+ * - extra (not needed because the guest account must have valid RIDs per the output of get_guest_info3())
+ *
+ * - The 'server_info' parameter allows the missing 'info3' to be copied across.
+ */
+static struct auth_serversupplied_info *copy_session_info_serverinfo_guest(TALLOC_CTX *mem_ctx,
+                                                                          const struct auth_session_info *src,
+                                                                          struct auth_serversupplied_info *server_info)
 {
        struct auth_serversupplied_info *dst;
 
@@ -901,47 +992,60 @@ struct auth_serversupplied_info *copy_serverinfo(TALLOC_CTX *mem_ctx,
                return NULL;
        }
 
-       dst->guest = src->guest;
-       dst->system = src->system;
-       dst->utok.uid = src->utok.uid;
-       dst->utok.gid = src->utok.gid;
-       dst->utok.ngroups = src->utok.ngroups;
-       if (src->utok.ngroups != 0) {
+       /* This element must be provided to convert back to an auth_serversupplied_info */
+       SMB_ASSERT(src->unix_info);
+
+       dst->guest = true;
+       dst->system = false;
+
+       /* This element must be provided to convert back to an
+        * auth_serversupplied_info.  This needs to be from the
+        * auth_session_info because the group values in particular
+        * may change during create_local_token() processing */
+       SMB_ASSERT(src->unix_token);
+       dst->utok.uid = src->unix_token->uid;
+       dst->utok.gid = src->unix_token->gid;
+       dst->utok.ngroups = src->unix_token->ngroups;
+       if (src->unix_token->ngroups != 0) {
                dst->utok.groups = (gid_t *)talloc_memdup(
-                       dst, src->utok.groups,
+                       dst, src->unix_token->groups,
                        sizeof(gid_t)*dst->utok.ngroups);
        } else {
                dst->utok.groups = NULL;
        }
 
-       if (src->security_token) {
-               dst->security_token = dup_nt_token(dst, src->security_token);
-               if (!dst->security_token) {
-                       TALLOC_FREE(dst);
-                       return NULL;
-               }
+       /* We must have a security_token as otherwise the lossy
+        * conversion without nss_token would cause create_local_token
+        * to take the wrong path */
+       SMB_ASSERT(src->security_token);
+
+       dst->security_token = dup_nt_token(dst, src->security_token);
+       if (!dst->security_token) {
+               TALLOC_FREE(dst);
+               return NULL;
        }
 
        dst->session_key = data_blob_talloc( dst, src->session_key.data,
                                                src->session_key.length);
 
-       dst->lm_session_key = data_blob_talloc(dst, src->lm_session_key.data,
-                                               src->lm_session_key.length);
+       /* This is OK because this functions is only used for the
+        * GUEST account, which has all-zero keys for both values */
+       dst->lm_session_key = data_blob_talloc(dst, src->session_key.data,
+                                               src->session_key.length);
 
-       dst->info3 = copy_netr_SamInfo3(dst, src->info3);
+       dst->info3 = copy_netr_SamInfo3(dst, server_info->info3);
        if (!dst->info3) {
                TALLOC_FREE(dst);
                return NULL;
        }
-       dst->extra = src->extra;
 
-       dst->unix_name = talloc_strdup(dst, src->unix_name);
+       dst->unix_name = talloc_strdup(dst, src->unix_info->unix_name);
        if (!dst->unix_name) {
                TALLOC_FREE(dst);
                return NULL;
        }
 
-       dst->sanitized_username = talloc_strdup(dst, src->sanitized_username);
+       dst->sanitized_username = talloc_strdup(dst, src->unix_info->sanitized_username);
        if (!dst->sanitized_username) {
                TALLOC_FREE(dst);
                return NULL;
@@ -950,12 +1054,50 @@ struct auth_serversupplied_info *copy_serverinfo(TALLOC_CTX *mem_ctx,
        return dst;
 }
 
+struct auth_session_info *copy_session_info(TALLOC_CTX *mem_ctx,
+                                            const struct auth_session_info *src)
+{
+       struct auth_session_info *dst;
+       DATA_BLOB blob;
+       enum ndr_err_code ndr_err;
+
+       ndr_err = ndr_push_struct_blob(
+               &blob, talloc_tos(), src,
+               (ndr_push_flags_fn_t)ndr_push_auth_session_info);
+       if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+               DEBUG(0, ("copy_session_info(): ndr_push_auth_session_info failed: "
+                          "%s\n", ndr_errstr(ndr_err)));
+               return NULL;
+       }
+
+       dst = talloc(mem_ctx, struct auth_session_info);
+       if (dst == NULL) {
+               DEBUG(0, ("talloc failed\n"));
+               TALLOC_FREE(blob.data);
+               return NULL;
+       }
+
+       ndr_err = ndr_pull_struct_blob(
+               &blob, dst, dst,
+               (ndr_pull_flags_fn_t)ndr_pull_auth_session_info);
+       TALLOC_FREE(blob.data);
+
+       if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+               DEBUG(0, ("copy_session_info(): ndr_pull_auth_session_info failed: "
+                          "%s\n", ndr_errstr(ndr_err)));
+               TALLOC_FREE(dst);
+               return NULL;
+       }
+
+       return dst;
+}
+
 /*
  * Set a new session key. Used in the rpc server where we have to override the
  * SMB level session key with SystemLibraryDTC
  */
 
-bool session_info_set_session_key(struct auth_serversupplied_info *info,
+bool session_info_set_session_key(struct auth_session_info *info,
                                 DATA_BLOB session_key)
 {
        TALLOC_FREE(info->session_key.data);
@@ -966,24 +1108,37 @@ bool session_info_set_session_key(struct auth_serversupplied_info *info,
        return (info->session_key.data != NULL);
 }
 
-static struct auth_serversupplied_info *guest_info = NULL;
+static struct auth_session_info *guest_info = NULL;
+
+static struct auth_serversupplied_info *guest_server_info = NULL;
 
 bool init_guest_info(void)
 {
        if (guest_info != NULL)
-               return True;
+               return true;
 
-       return NT_STATUS_IS_OK(make_new_server_info_guest(&guest_info));
+       return NT_STATUS_IS_OK(make_new_session_info_guest(&guest_info, &guest_server_info));
 }
 
 NTSTATUS make_server_info_guest(TALLOC_CTX *mem_ctx,
                                struct auth_serversupplied_info **server_info)
 {
-       *server_info = copy_serverinfo(mem_ctx, guest_info);
+       /* This is trickier than it would appear to need to be because
+        * we are trying to avoid certain costly operations when the
+        * structure is converted to a 'auth_session_info' again in
+        * create_local_token() */
+       *server_info = copy_session_info_serverinfo_guest(mem_ctx, guest_info, guest_server_info);
        return (*server_info != NULL) ? NT_STATUS_OK : NT_STATUS_NO_MEMORY;
 }
 
-static struct auth_serversupplied_info *system_info = NULL;
+NTSTATUS make_session_info_guest(TALLOC_CTX *mem_ctx,
+                               struct auth_session_info **session_info)
+{
+       *session_info = copy_session_info(mem_ctx, guest_info);
+       return (*session_info != NULL) ? NT_STATUS_OK : NT_STATUS_NO_MEMORY;
+}
+
+static struct auth_session_info *system_info = NULL;
 
 NTSTATUS init_system_info(void)
 {
@@ -994,14 +1149,14 @@ NTSTATUS init_system_info(void)
 }
 
 NTSTATUS make_session_info_system(TALLOC_CTX *mem_ctx,
-                               struct auth_serversupplied_info **session_info)
+                               struct auth_session_info **session_info)
 {
        if (system_info == NULL) return NT_STATUS_UNSUCCESSFUL;
-       *session_info = copy_serverinfo(mem_ctx, system_info);
+       *session_info = copy_session_info(mem_ctx, system_info);
        return (*session_info != NULL) ? NT_STATUS_OK : NT_STATUS_NO_MEMORY;
 }
 
-const struct auth_serversupplied_info *get_session_info_system(void)
+const struct auth_session_info *get_session_info_system(void)
 {
     return system_info;
 }
@@ -1014,13 +1169,13 @@ bool copy_current_user(struct current_user *dst, struct current_user *src)
        groups = (gid_t *)memdup(src->ut.groups,
                                 sizeof(gid_t) * src->ut.ngroups);
        if ((src->ut.ngroups != 0) && (groups == NULL)) {
-               return False;
+               return false;
        }
 
        nt_token = dup_nt_token(NULL, src->nt_user_token);
        if (nt_token == NULL) {
                SAFE_FREE(groups);
-               return False;
+               return false;
        }
 
        dst->conn = src->conn;
@@ -1030,7 +1185,7 @@ bool copy_current_user(struct current_user *dst, struct current_user *src)
        dst->ut.ngroups = src->ut.ngroups;
        dst->ut.groups = groups;
        dst->nt_user_token = nt_token;
-       return True;
+       return true;
 }
 
 /***************************************************************************
@@ -1070,7 +1225,7 @@ static NTSTATUS check_account(TALLOC_CTX *mem_ctx, const char *domain,
                return NT_STATUS_NO_MEMORY;
        }
 
-       passwd = smb_getpwnam(mem_ctx, dom_user, &real_username, True );
+       passwd = smb_getpwnam(mem_ctx, dom_user, &real_username, true );
        if (!passwd) {
                DEBUG(3, ("Failed to find authenticated user %s via "
                          "getpwnam(), denying access.\n", dom_user));
@@ -1083,7 +1238,7 @@ static NTSTATUS check_account(TALLOC_CTX *mem_ctx, const char *domain,
 
        *pwd = passwd;
 
-       /* This is pointless -- there is no suport for differing 
+       /* This is pointless -- there is no support for differing
           unix and windows names.  Make sure to always store the 
           one we actually looked up and succeeded. Have I mentioned
           why I hate the 'winbind use default domain' parameter?   
@@ -1279,7 +1434,7 @@ NTSTATUS make_server_info_info3(TALLOC_CTX *mem_ctx,
        result->utok.gid = pwd->pw_gid;
 
        /* We can't just trust that the primary group sid sent us is something
-        * we can really use. Obtain the useable sid, and store the original
+        * we can really use. Obtain the usable sid, and store the original
         * one as an additional group if it had to be replaced */
        nt_status = get_primary_group_sid(mem_ctx, found_username,
                                          &pwd, &group_sid);
@@ -1325,6 +1480,8 @@ NTSTATUS make_server_info_info3(TALLOC_CTX *mem_ctx,
 
        result->nss_token |= username_was_mapped;
 
+       result->guest = (info3->base.user_flags & NETLOGON_GUEST);
+
        *server_info = result;
 
        return NT_STATUS_OK;
@@ -1368,7 +1525,7 @@ bool is_trusted_domain(const char* dom_name)
        /* no trusted domains for a standalone server */
 
        if ( lp_server_role() == ROLE_STANDALONE )
-               return False;
+               return false;
 
        if (dom_name == NULL || dom_name[0] == '\0') {
                return false;
@@ -1387,7 +1544,7 @@ bool is_trusted_domain(const char* dom_name)
                ret = pdb_get_trusteddom_pw(dom_name, NULL, NULL, NULL);
                unbecome_root();
                if (ret)
-                       return True;
+                       return true;
        }
        else {
                wbcErr result;
@@ -1397,12 +1554,12 @@ bool is_trusted_domain(const char* dom_name)
                result = wb_is_trusted_domain(dom_name);
 
                if (result == WBC_ERR_SUCCESS) {
-                       return True;
+                       return true;
                }
 
                if (result == WBC_ERR_DOMAIN_NOT_FOUND) {
                        /* winbind could not find the domain */
-                       return False;
+                       return false;
                }
 
                /* The only other possible result is that winbind is not up
@@ -1417,9 +1574,41 @@ bool is_trusted_domain(const char* dom_name)
         * domains (like a domain member would use  */
 
        if ( trustdom_cache_fetch(dom_name, &trustdom_sid) ) {
-               return True;
+               return true;
        }
 
-       return False;
+       return false;
 }
 
+
+
+/*
+  on a logon error possibly map the error to success if "map to guest"
+  is set approriately
+*/
+NTSTATUS do_map_to_guest_server_info(NTSTATUS status,
+                                    struct auth_serversupplied_info **server_info,
+                                    const char *user, const char *domain)
+{
+       user = user ? user : "";
+       domain = domain ? domain : "";
+
+       if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)) {
+               if ((lp_map_to_guest() == MAP_TO_GUEST_ON_BAD_USER) ||
+                   (lp_map_to_guest() == MAP_TO_GUEST_ON_BAD_PASSWORD)) {
+                       DEBUG(3,("No such user %s [%s] - using guest account\n",
+                                user, domain));
+                       status = make_server_info_guest(NULL, server_info);
+               }
+       }
+
+       if (NT_STATUS_EQUAL(status, NT_STATUS_WRONG_PASSWORD)) {
+               if (lp_map_to_guest() == MAP_TO_GUEST_ON_BAD_PASSWORD) {
+                       DEBUG(3,("Registered username %s for guest access\n",
+                               user));
+                       status = make_server_info_guest(NULL, server_info);
+               }
+       }
+
+       return status;
+}