/* Unix SMB/CIFS implementation. provide hooks into smbd C 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 "scripting/ejs/smbcalls.h" #include "lib/appweb/ejs/ejs.h" #include "param/loadparm.h" #include "system/network.h" #include "lib/socket/netif.h" /* return a list of defined services */ static int ejs_lpServices(MprVarHandle eid, int argc, char **argv) { int i; const char **list = NULL; if (argc != 0) return -1; for (i=0;i<lp_numservices();i++) { list = str_list_add(list, lp_servicename(i)); } talloc_steal(mprMemCtx(), list); mpr_Return(eid, mprList("services", list)); return 0; } /* return a list of parameter categories */ static int ejs_lpCategories(MprVarHandle eid, int argc, char **argv) { struct parm_struct *parm_table = lp_parm_table(); int i; const char **list = NULL; if (argc != 0) return -1; for (i=0;parm_table[i].label;i++) { if (parm_table[i].class == P_SEPARATOR) { list = str_list_add(list, parm_table[i].label); } } talloc_steal(mprMemCtx(), list); mpr_Return(eid, mprList("categories", list)); return 0; } /* allow access to loadparm variables from inside ejs scripts in swat can be called in 4 ways: v = lp.get("type:parm"); gets a parametric variable v = lp.get("share", "type:parm"); gets a parametric variable on a share v = lp.get("parm"); gets a global variable v = lp.get("share", "parm"); gets a share variable the returned variable is a ejs object. It is an array object for lists. */ static int ejs_lpGet(MprVarHandle eid, int argc, char **argv) { struct parm_struct *parm = NULL; void *parm_ptr = NULL; int i; if (argc < 1) return -1; if (argc == 2) { /* its a share parameter */ int snum = lp_servicenumber(argv[0]); if (snum == -1) { return -1; } if (strchr(argv[1], ':')) { /* its a parametric option on a share */ const char *type = talloc_strndup(mprMemCtx(), argv[1], strcspn(argv[1], ":")); const char *option = strchr(argv[1], ':') + 1; const char *value; if (type == NULL || option == NULL) return -1; value = lp_get_parametric(snum, type, option); if (value == NULL) return -1; mpr_ReturnString(eid, value); return 0; } parm = lp_parm_struct(argv[1]); if (parm == NULL || parm->class == P_GLOBAL) { return -1; } parm_ptr = lp_parm_ptr(snum, parm); } else if (strchr(argv[0], ':')) { /* its a global parametric option */ const char *type = talloc_strndup(mprMemCtx(), argv[0], strcspn(argv[0], ":")); const char *option = strchr(argv[0], ':') + 1; const char *value; if (type == NULL || option == NULL) return -1; value = lp_get_parametric(-1, type, option); if (value == NULL) return -1; mpr_ReturnString(eid, value); return 0; } else { /* its a global parameter */ parm = lp_parm_struct(argv[0]); if (parm == NULL) return -1; parm_ptr = lp_parm_ptr(-1, parm); } if (parm == NULL || parm_ptr == NULL) { return -1; } /* construct and return the right type of ejs object */ switch (parm->type) { case P_STRING: case P_USTRING: mpr_ReturnString(eid, *(char **)parm_ptr); break; case P_BOOL: mpr_Return(eid, mprCreateBoolVar(*(BOOL *)parm_ptr)); break; case P_INTEGER: case P_BYTES: mpr_Return(eid, mprCreateIntegerVar(*(int *)parm_ptr)); break; case P_ENUM: for (i=0; parm->enum_list[i].name; i++) { if (*(int *)parm_ptr == parm->enum_list[i].value) { mpr_ReturnString(eid, parm->enum_list[i].name); return 0; } } return -1; case P_LIST: mpr_Return(eid, mprList(parm->label, *(const char ***)parm_ptr)); break; case P_SEP: return -1; } return 0; } /* set a smb.conf parameter. Only sets in memory, not permanent can be called in 4 ways: ok = lp.set("parm", "value"); */ static int ejs_lpSet(MprVarHandle eid, int argc, char **argv) { if (argc != 2) { ejsSetErrorMsg(eid, "lp.set invalid arguments"); return -1; } mpr_Return(eid, mprCreateBoolVar(lp_set_cmdline(argv[0], argv[1]))); return 0; } /* reload smb.conf ok = lp.reload(); */ static int ejs_lpReload(MprVarHandle eid, int argc, char **argv) { BOOL ret = lp_load(); if (ret) { unload_interfaces(); } mpr_Return(eid, mprCreateBoolVar(ret)); return 0; } /* initialise loadparm ejs subsystem */ static int ejs_loadparm_init(MprVarHandle eid, int argc, struct MprVar **argv) { struct MprVar *obj = mprInitObject(eid, "loadparm", argc, argv); mprSetStringCFunction(obj, "get", ejs_lpGet); mprSetStringCFunction(obj, "set", ejs_lpSet); mprSetStringCFunction(obj, "reload", ejs_lpReload); mprSetStringCFunction(obj, "services", ejs_lpServices); mprSetStringCFunction(obj, "categories", ejs_lpCategories); return 0; } /* setup C functions that be called from ejs */ NTSTATUS smb_setup_ejs_config(void) { ejsDefineCFunction(-1, "loadparm_init", ejs_loadparm_init, NULL, MPR_VAR_SCRIPT_HANDLE); return NT_STATUS_OK; }