r8069: the beginnings of code to allow rpc calls to be made from ejs

tpot, note that this shows how you can modify passed in MprVar
variables in C call
(This used to be commit a782541db3de6ca3b599a220265cf9e6cb0c4d7b)

5 files changed, 194 insertions, 15 deletions

diff --git a/source4/scripting/ejs/config.mk b/source4/scripting/ejs/config.mk
new file mode 100644
index 0000000000..d5003d07e7
--- /dev/null
+++ b/source4/scripting/ejs/config.mk
@@ -0,0 +1,23 @@
+#######################
+# Start LIBRARY SMBCALLS
+[SUBSYSTEM::SMBCALLS]
+OBJ_FILES = \
+		scripting/ejs/smbcalls.o \
+		scripting/ejs/smbcalls_config.o \
+		scripting/ejs/smbcalls_ldb.o \
+		scripting/ejs/smbcalls_nbt.o \
+		scripting/ejs/smbcalls_cli.o \
+		scripting/ejs/smbcalls_rpc.o \
+		scripting/ejs/mprutil.o
+REQUIRED_SUBSYSTEMS = AUTH EJS LIBBASIC RPC_NDR_ECHO
+# End SUBSYSTEM SMBCALLS
+#######################
+
+#######################
+# Start BINARY SMBSCRIPT
+[BINARY::smbscript]
+OBJ_FILES = \
+		scripting/ejs/smbscript.o
+REQUIRED_SUBSYSTEMS = EJS LIBBASIC SMBCALLS CONFIG LIBSMB RPC LIBCMDLINE
+# End BINARY SMBSCRIPT
+#######################
diff --git a/source4/scripting/ejs/mprutil.c b/source4/scripting/ejs/mprutil.c
index 2a1036d9a4..cd5ec3b5cd 100644
--- a/source4/scripting/ejs/mprutil.c
+++ b/source4/scripting/ejs/mprutil.c
@@ -213,3 +213,29 @@ struct MprVar mprWERROR(WERROR status)
 
 	return res;
 }
+
+
+/*
+  set a pointer in a existing MprVar
+*/
+void mprSetPtr(struct MprVar *v, const char *propname, void *p)
+{
+	struct MprVar val = mprCreatePtrVar(p, talloc_get_name(p));
+	mprCreateProperty(v, propname, &val);
+}
+
+/*
+  get a pointer from a MprVar
+*/
+void *mprGetPtr(struct MprVar *v, const char *propname)
+{
+	struct MprVar *val;
+	val = mprGetProperty(v, propname, NULL);
+	if (val == NULL) {
+		return NULL;
+	}
+	if (val->type != MPR_TYPE_PTR) {
+		return NULL;
+	}
+	return val->ptr;
+}
diff --git a/source4/scripting/ejs/smbcalls.c b/source4/scripting/ejs/smbcalls.c
index 6444ec63cc..041bd59f1a 100644
--- a/source4/scripting/ejs/smbcalls.c
+++ b/source4/scripting/ejs/smbcalls.c
@@ -192,6 +192,7 @@ void smb_setup_ejs_functions(void)
 	smb_setup_ejs_ldb();
 	smb_setup_ejs_nbt();
 	smb_setup_ejs_cli();
+	smb_setup_ejs_rpc();
 
 	ejsDefineCFunction(-1, "typeof", ejs_typeof, NULL, MPR_VAR_SCRIPT_HANDLE);
 	ejsDefineStringCFunction(-1, "getDomainList", ejs_domain_list, NULL, MPR_VAR_SCRIPT_HANDLE);
diff --git a/source4/scripting/ejs/smbcalls_rpc.c b/source4/scripting/ejs/smbcalls_rpc.c
new file mode 100644
index 0000000000..22aa2b59f8
--- /dev/null
+++ b/source4/scripting/ejs/smbcalls_rpc.c
@@ -0,0 +1,116 @@
+/* 
+   Unix SMB/CIFS implementation.
+
+   provide interfaces to rpc calls from ejs scripts
+
+   Copyright (C) Andrew Tridgell 2005
+   
+   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 2 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, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+#include "lib/ejs/ejs.h"
+#include "librpc/gen_ndr/ndr_echo.h"
+#include "lib/cmdline/popt_common.h"
+
+/*
+  connect to an rpc server
+     example: 
+        var conn = new Object();
+        status = rpc_connect(conn, "ncacn_ip_tcp:localhost", "rpcecho");
+*/
+static int ejs_rpc_connect(MprVarHandle eid, int argc, struct MprVar **argv)
+{
+	const char *binding, *pipe_name;
+	const struct dcerpc_interface_table *iface;
+	NTSTATUS status;
+	struct dcerpc_pipe *p;
+	struct MprVar *conn;
+
+	/* validate arguments */
+	if (argc != 3 ||
+	    argv[0]->type != MPR_TYPE_OBJECT ||
+	    argv[1]->type != MPR_TYPE_STRING ||
+	    argv[2]->type != MPR_TYPE_STRING) {
+		ejsSetErrorMsg(eid, "rpc_connect invalid arguments");
+		return -1;
+	}
+
+	conn       = argv[0];
+	binding    = mprToString(argv[1]);
+	pipe_name  = mprToString(argv[2]);
+
+	iface = idl_iface_by_name(pipe_name);
+	if (iface == NULL) {
+		status = NT_STATUS_OBJECT_NAME_INVALID;
+		goto done;
+	}
+
+	status = dcerpc_pipe_connect(mprMemCtx(), &p, binding, 
+				     iface->uuid, iface->if_version, 
+				     cmdline_credentials, NULL);
+	if (NT_STATUS_IS_OK(status)) {
+		mprSetPtr(conn, "pipe", p);
+	}
+
+done:
+	ejsSetReturnValue(eid, mprNTSTATUS(status));
+	return 0;
+}
+
+
+/*
+  make an rpc call
+     example:
+            status = rpc_call(conn, "echo_AddOne", io);
+*/
+static int ejs_rpc_call(MprVarHandle eid, int argc, struct MprVar **argv)
+{
+	struct dcerpc_pipe *p;
+	struct MprVar *conn, *io;
+	const char *call;
+	NTSTATUS status;
+
+	if (argc != 3 ||
+	    argv[0]->type != MPR_TYPE_OBJECT ||
+	    argv[1]->type != MPR_TYPE_STRING ||
+	    argv[2]->type != MPR_TYPE_OBJECT) {
+		ejsSetErrorMsg(eid, "rpc_call invalid arguments");
+		return -1;
+	}
+	    
+	conn = argv[0];
+	call = mprToString(argv[1]);
+	io   = argv[2];
+
+	p = mprGetPtr(conn, "pipe");
+	if (p == NULL) {
+		ejsSetErrorMsg(eid, "rpc_call invalid pipe");
+		return -1;
+	}
+
+	status = NT_STATUS_NOT_IMPLEMENTED;
+	ejsSetReturnValue(eid, mprNTSTATUS(status));
+	return 0;
+}
+
+/*
+  setup C functions that be called from ejs
+*/
+void smb_setup_ejs_rpc(void)
+{
+	ejsDefineCFunction(-1, "rpc_connect", ejs_rpc_connect, NULL, MPR_VAR_SCRIPT_HANDLE);
+	ejsDefineCFunction(-1, "rpc_call", ejs_rpc_call, NULL, MPR_VAR_SCRIPT_HANDLE);
+}
diff --git a/source4/scripting/ejs/smbscript.c b/source4/scripting/ejs/smbscript.c
index 2795e4f127..aa0fc42c48 100644
--- a/source4/scripting/ejs/smbscript.c
+++ b/source4/scripting/ejs/smbscript.c
@@ -4,6 +4,7 @@
    Standalone client for ejs scripting.
 
    Copyright (C) Tim Potter <tpot@samba.org> 2005
+   Copyright (C) Andrew Tridgell 2005
 
    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
@@ -21,6 +22,7 @@
 */
 
 #include "includes.h"
+#include "lib/cmdline/popt_common.h"
 #include "dynconfig.h"
 #include "lib/ejs/ejs.h"
 
@@ -30,7 +32,7 @@ void ejs_exception(const char *reason)
 	exit(127);
 }
 
- int main(int argc, const char *argv[])
+ int main(int argc, const char **argv)
 {
 	EjsId eid;
 	EjsHandle handle = 0;
@@ -39,28 +41,39 @@ void ejs_exception(const char *reason)
 	size_t script_size;
 	TALLOC_CTX *mem_ctx = talloc_new(NULL);
 	const char **argv_list = NULL;
+	const char *fname;
 	struct MprVar v, *return_var;
 	int exit_status, i;
+	poptContext pc;
+	int opt;
+	struct poptOption long_options[] = {
+		POPT_AUTOHELP
+		POPT_COMMON_SAMBA
+		POPT_COMMON_CREDENTIALS
+		POPT_COMMON_VERSION
+		POPT_TABLEEND
+	};
 
-	if (argc < 2) {
-		fprintf(stderr, "Usage: %s <scriptfile>\n", argv[0]);
-		exit(127);
-	}
+	popt_common_dont_ask();
 
-	setup_logging(argv[0],DEBUG_STDOUT);
+	pc = poptGetContext("smbscript", argc, argv, long_options, 0);
 
-	if (!lp_load(dyn_CONFIGFILE)) {
-		fprintf(stderr, "%s: Can't load %s - run testparm to debug it\n",
-			argv[0], dyn_CONFIGFILE);
-		exit(127);
-	}
+	poptSetOtherOptionHelp(pc, "<script> <args> ...");
 
-	load_interfaces();
+	while((opt = poptGetNextOpt(pc)) != -1) /* noop */ ;
 
 	smbscript_init_subsystems;
 
 	mprSetCtx(mem_ctx);
 
+	argv = poptGetArgs(pc);
+	if (argv == NULL ||
+	    argv[0] == NULL) {
+		poptPrintUsage(pc, stdout, 0);
+		exit(1);
+	}
+	fname = argv[0];
+
 	if (ejsOpen(NULL, NULL, NULL) != 0) {
 		fprintf(stderr, "smbscript: ejsOpen(): unable to initialise "
 			"EJ subsystem\n");
@@ -76,15 +89,15 @@ void ejs_exception(const char *reason)
 	}
 
 	/* setup ARGV[] in the ejs environment */
-	for (i=2;i<argc;i++) {
+	for (i=1;argv[i];i++) {
 		argv_list = str_list_add(argv_list, argv[i]);
 	}
 	v = mprList("ARGV", argv_list);
-	mprSetPropertyValue(&v, "length", mprCreateIntegerVar(argc - 2));
+	mprSetPropertyValue(&v, "length", mprCreateIntegerVar(i-1));
 	mprCreateProperty(ejsGetGlobalObject(eid), "ARGV", &v);
 
 	/* load the script and advance past interpreter line*/
-	script = file_load(argv[1], &script_size);
+	script = file_load(fname, &script_size);
 
 	if ((script_size > 2) && script[0] == '#' && script[1] == '!') {
 		script += 2;