diff options
Diffstat (limited to 'source4/auth/system_session.c')
| -rw-r--r-- | source4/auth/system_session.c | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/source4/auth/system_session.c b/source4/auth/system_session.c index 07b0060643..8e22bd820e 100644 --- a/source4/auth/system_session.c +++ b/source4/auth/system_session.c @@ -303,3 +303,194 @@ NTSTATUS auth_system_server_info(TALLOC_CTX *mem_ctx, const char *netbios_name, } +/* Create server info for the Administrator account. This should only be used + * during provisioning when we need to impersonate Administrator but + * the account has not been created yet */ + +static NTSTATUS create_admin_token(TALLOC_CTX *mem_ctx, + struct dom_sid *user_sid, + struct dom_sid *group_sid, + int n_groupSIDs, + struct dom_sid **groupSIDs, + struct security_token **token) +{ + struct security_token *ptoken; + int i; + + ptoken = security_token_initialise(mem_ctx); + NT_STATUS_HAVE_NO_MEMORY(ptoken); + + ptoken->sids = talloc_array(ptoken, struct dom_sid *, n_groupSIDs + 3); + NT_STATUS_HAVE_NO_MEMORY(ptoken->sids); + + ptoken->user_sid = talloc_reference(ptoken, user_sid); + ptoken->group_sid = talloc_reference(ptoken, group_sid); + ptoken->privilege_mask = 0; + + ptoken->sids[0] = ptoken->user_sid; + ptoken->sids[1] = ptoken->group_sid; + ptoken->sids[2] = dom_sid_parse_talloc(ptoken->sids, SID_NT_AUTHENTICATED_USERS); + NT_STATUS_HAVE_NO_MEMORY(ptoken->sids[2]); + ptoken->num_sids = 3; + + + for (i = 0; i < n_groupSIDs; i++) { + size_t check_sid_idx; + for (check_sid_idx = 1; + check_sid_idx < ptoken->num_sids; + check_sid_idx++) { + if (dom_sid_equal(ptoken->sids[check_sid_idx], groupSIDs[i])) { + break; + } + } + + if (check_sid_idx == ptoken->num_sids) { + ptoken->sids[ptoken->num_sids++] = talloc_reference(ptoken->sids, groupSIDs[i]); + } + } + + *token = ptoken; + ptoken->privilege_mask = ~0; + return NT_STATUS_OK; +} + +static NTSTATUS auth_domain_admin_server_info(TALLOC_CTX *mem_ctx, + const char *netbios_name, + const char *domain_name, + struct dom_sid *domain_sid, + struct auth_serversupplied_info **_server_info) +{ + struct auth_serversupplied_info *server_info; + + server_info = talloc(mem_ctx, struct auth_serversupplied_info); + NT_STATUS_HAVE_NO_MEMORY(server_info); + + server_info->account_sid = dom_sid_add_rid(server_info, domain_sid, DOMAIN_RID_ADMINISTRATOR); + NT_STATUS_HAVE_NO_MEMORY(server_info->account_sid); + + server_info->primary_group_sid = dom_sid_add_rid(server_info, domain_sid, DOMAIN_RID_USERS); + NT_STATUS_HAVE_NO_MEMORY(server_info->primary_group_sid); + + server_info->n_domain_groups = 6; + server_info->domain_groups = talloc_array(server_info, struct dom_sid *, server_info->n_domain_groups); + + server_info->domain_groups[0] = dom_sid_parse_talloc(server_info, SID_BUILTIN_ADMINISTRATORS); + server_info->domain_groups[1] = dom_sid_add_rid(server_info, domain_sid, DOMAIN_RID_ADMINS); + server_info->domain_groups[2] = dom_sid_add_rid(server_info, domain_sid, DOMAIN_RID_USERS); + server_info->domain_groups[3] = dom_sid_add_rid(server_info, domain_sid, DOMAIN_RID_ENTERPRISE_ADMINS); + server_info->domain_groups[4] = dom_sid_add_rid(server_info, domain_sid, DOMAIN_RID_POLICY_ADMINS); + server_info->domain_groups[5] = dom_sid_add_rid(server_info, domain_sid, DOMAIN_RID_SCHEMA_ADMINS); + + /* What should the session key be?*/ + server_info->user_session_key = data_blob_talloc(server_info, NULL, 16); + NT_STATUS_HAVE_NO_MEMORY(server_info->user_session_key.data); + + server_info->lm_session_key = data_blob_talloc(server_info, NULL, 16); + NT_STATUS_HAVE_NO_MEMORY(server_info->lm_session_key.data); + + data_blob_clear(&server_info->user_session_key); + data_blob_clear(&server_info->lm_session_key); + + server_info->account_name = talloc_strdup(server_info, "Administrator"); + NT_STATUS_HAVE_NO_MEMORY(server_info->account_name); + + server_info->domain_name = talloc_strdup(server_info, domain_name); + NT_STATUS_HAVE_NO_MEMORY(server_info->domain_name); + + server_info->full_name = talloc_strdup(server_info, "Administrator"); + NT_STATUS_HAVE_NO_MEMORY(server_info->full_name); + + server_info->logon_script = talloc_strdup(server_info, ""); + NT_STATUS_HAVE_NO_MEMORY(server_info->logon_script); + + server_info->profile_path = talloc_strdup(server_info, ""); + NT_STATUS_HAVE_NO_MEMORY(server_info->profile_path); + + server_info->home_directory = talloc_strdup(server_info, ""); + NT_STATUS_HAVE_NO_MEMORY(server_info->home_directory); + + server_info->home_drive = talloc_strdup(server_info, ""); + NT_STATUS_HAVE_NO_MEMORY(server_info->home_drive); + + server_info->logon_server = talloc_strdup(server_info, netbios_name); + NT_STATUS_HAVE_NO_MEMORY(server_info->logon_server); + + server_info->last_logon = 0; + server_info->last_logoff = 0; + server_info->acct_expiry = 0; + server_info->last_password_change = 0; + server_info->allow_password_change = 0; + server_info->force_password_change = 0; + + server_info->logon_count = 0; + server_info->bad_password_count = 0; + + server_info->acct_flags = ACB_NORMAL; + + server_info->authenticated = true; + + *_server_info = server_info; + + return NT_STATUS_OK; +} + +static NTSTATUS auth_domain_admin_session_info(TALLOC_CTX *parent_ctx, + struct loadparm_context *lp_ctx, + struct dom_sid *domain_sid, + struct auth_session_info **_session_info) +{ + NTSTATUS nt_status; + struct auth_serversupplied_info *server_info = NULL; + struct auth_session_info *session_info = NULL; + TALLOC_CTX *mem_ctx = talloc_new(parent_ctx); + + nt_status = auth_domain_admin_server_info(mem_ctx, lp_netbios_name(lp_ctx), + lp_workgroup(lp_ctx), domain_sid, + &server_info); + if (!NT_STATUS_IS_OK(nt_status)) { + talloc_free(mem_ctx); + return nt_status; + } + + session_info = talloc(mem_ctx, struct auth_session_info); + NT_STATUS_HAVE_NO_MEMORY(session_info); + + session_info->server_info = talloc_reference(session_info, server_info); + + /* unless set otherwise, the session key is the user session + * key from the auth subsystem */ + session_info->session_key = server_info->user_session_key; + + nt_status = create_admin_token(session_info, + server_info->account_sid, + server_info->primary_group_sid, + server_info->n_domain_groups, + server_info->domain_groups, + &session_info->security_token); + NT_STATUS_NOT_OK_RETURN(nt_status); + + session_info->credentials = cli_credentials_init(session_info); + if (!session_info->credentials) { + return NT_STATUS_NO_MEMORY; + } + + cli_credentials_set_conf(session_info->credentials, lp_ctx); + + *_session_info = session_info; + + return NT_STATUS_OK; +} + +_PUBLIC_ struct auth_session_info *admin_session(TALLOC_CTX *mem_ctx, struct loadparm_context *lp_ctx, struct dom_sid *domain_sid) +{ + NTSTATUS nt_status; + struct auth_session_info *session_info = NULL; + nt_status = auth_domain_admin_session_info(mem_ctx, + lp_ctx, + domain_sid, + &session_info); + if (!NT_STATUS_IS_OK(nt_status)) { + return NULL; + } + return session_info; +} |