/* * Unix SMB/CIFS implementation. * NetApi Support * Copyright (C) Guenther Deschner 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 * the Free Software Foundation; either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, see <http://www.gnu.org/licenses/>. */ #include "includes.h" #include "popt_common.h" #include "lib/netapi/netapi.h" #include "lib/netapi/netapi_private.h" #include "libsmb/libsmb.h" #include "rpc_client/cli_pipe.h" /******************************************************************** ********************************************************************/ struct client_ipc_connection { struct client_ipc_connection *prev, *next; struct cli_state *cli; struct client_pipe_connection *pipe_connections; }; struct client_pipe_connection { struct client_pipe_connection *prev, *next; struct rpc_pipe_client *pipe; }; /******************************************************************** ********************************************************************/ static struct client_ipc_connection *ipc_cm_find( struct libnetapi_private_ctx *priv_ctx, const char *server_name) { struct client_ipc_connection *p; for (p = priv_ctx->ipc_connections; p; p = p->next) { const char *remote_name = cli_state_remote_name(p->cli); if (strequal(remote_name, server_name)) { return p; } } return NULL; } /******************************************************************** ********************************************************************/ static WERROR libnetapi_open_ipc_connection(struct libnetapi_ctx *ctx, const char *server_name, struct client_ipc_connection **pp) { struct libnetapi_private_ctx *priv_ctx; struct user_auth_info *auth_info = NULL; struct cli_state *cli_ipc = NULL; struct client_ipc_connection *p; NTSTATUS status; if (!ctx || !pp || !server_name) { return WERR_INVALID_PARAM; } priv_ctx = (struct libnetapi_private_ctx *)ctx->private_data; p = ipc_cm_find(priv_ctx, server_name); if (p) { *pp = p; return WERR_OK; } auth_info = user_auth_info_init(ctx); if (!auth_info) { return WERR_NOMEM; } auth_info->signing_state = Undefined; set_cmdline_auth_info_use_kerberos(auth_info, ctx->use_kerberos); set_cmdline_auth_info_username(auth_info, ctx->username); if (ctx->password) { set_cmdline_auth_info_password(auth_info, ctx->password); } else { set_cmdline_auth_info_getpass(auth_info); } if (ctx->username && ctx->username[0] && ctx->password && ctx->password[0] && ctx->use_kerberos) { set_cmdline_auth_info_fallback_after_kerberos(auth_info, true); } if (ctx->use_ccache) { set_cmdline_auth_info_use_ccache(auth_info, true); } status = cli_cm_open(ctx, NULL, server_name, "IPC$", auth_info, false, false, PROTOCOL_NT1, 0, 0x20, &cli_ipc); if (NT_STATUS_IS_OK(status)) { cli_set_username(cli_ipc, ctx->username); cli_set_password(cli_ipc, ctx->password); cli_set_domain(cli_ipc, ctx->workgroup); } else { cli_ipc = NULL; } TALLOC_FREE(auth_info); if (!cli_ipc) { libnetapi_set_error_string(ctx, "Failed to connect to IPC$ share on %s", server_name); return WERR_CAN_NOT_COMPLETE; } p = talloc_zero(ctx, struct client_ipc_connection); if (p == NULL) { return WERR_NOMEM; } p->cli = cli_ipc; DLIST_ADD(priv_ctx->ipc_connections, p); *pp = p; return WERR_OK; } /******************************************************************** ********************************************************************/ WERROR libnetapi_shutdown_cm(struct libnetapi_ctx *ctx) { struct libnetapi_private_ctx *priv_ctx = (struct libnetapi_private_ctx *)ctx->private_data; struct client_ipc_connection *p; for (p = priv_ctx->ipc_connections; p; p = p->next) { cli_shutdown(p->cli); } return WERR_OK; } /******************************************************************** ********************************************************************/ static NTSTATUS pipe_cm_find(struct client_ipc_connection *ipc, const struct ndr_syntax_id *interface, struct rpc_pipe_client **presult) { struct client_pipe_connection *p; for (p = ipc->pipe_connections; p; p = p->next) { const char *ipc_remote_name; if (!rpc_pipe_np_smb_conn(p->pipe)) { return NT_STATUS_PIPE_EMPTY; } ipc_remote_name = cli_state_remote_name(ipc->cli); if (strequal(ipc_remote_name, p->pipe->desthost) && ndr_syntax_id_equal(&p->pipe->abstract_syntax, interface)) { *presult = p->pipe; return NT_STATUS_OK; } } return NT_STATUS_PIPE_NOT_AVAILABLE; } /******************************************************************** ********************************************************************/ static NTSTATUS pipe_cm_connect(TALLOC_CTX *mem_ctx, struct client_ipc_connection *ipc, const struct ndr_syntax_id *interface, struct rpc_pipe_client **presult) { struct client_pipe_connection *p; NTSTATUS status; p = talloc_zero_array(mem_ctx, struct client_pipe_connection, 1); if (!p) { return NT_STATUS_NO_MEMORY; } status = cli_rpc_pipe_open_noauth(ipc->cli, interface, &p->pipe); if (!NT_STATUS_IS_OK(status)) { TALLOC_FREE(p); return status; } DLIST_ADD(ipc->pipe_connections, p); *presult = p->pipe; return NT_STATUS_OK; } /******************************************************************** ********************************************************************/ static NTSTATUS pipe_cm_open(TALLOC_CTX *ctx, struct client_ipc_connection *ipc, const struct ndr_syntax_id *interface, struct rpc_pipe_client **presult) { if (NT_STATUS_IS_OK(pipe_cm_find(ipc, interface, presult))) { return NT_STATUS_OK; } return pipe_cm_connect(ctx, ipc, interface, presult); } /******************************************************************** ********************************************************************/ WERROR libnetapi_open_pipe(struct libnetapi_ctx *ctx, const char *server_name, const struct ndr_syntax_id *interface, struct rpc_pipe_client **presult) { struct rpc_pipe_client *result = NULL; NTSTATUS status; WERROR werr; struct client_ipc_connection *ipc = NULL; if (!presult) { return WERR_INVALID_PARAM; } werr = libnetapi_open_ipc_connection(ctx, server_name, &ipc); if (!W_ERROR_IS_OK(werr)) { return werr; } status = pipe_cm_open(ctx, ipc, interface, &result); if (!NT_STATUS_IS_OK(status)) { libnetapi_set_error_string(ctx, "failed to open PIPE %s: %s", get_pipe_name_from_syntax(talloc_tos(), interface), get_friendly_nt_error_msg(status)); return WERR_DEST_NOT_FOUND; } *presult = result; return WERR_OK; } /******************************************************************** ********************************************************************/ WERROR libnetapi_get_binding_handle(struct libnetapi_ctx *ctx, const char *server_name, const struct ndr_syntax_id *interface, struct dcerpc_binding_handle **binding_handle) { struct rpc_pipe_client *pipe_cli; WERROR result; *binding_handle = NULL; result = libnetapi_open_pipe(ctx, server_name, interface, &pipe_cli); if (!W_ERROR_IS_OK(result)) { return result; } *binding_handle = pipe_cli->binding_handle; return WERR_OK; }