diff options
Diffstat (limited to 'source4/scripting/ejs/smbcalls_config.c')
| -rw-r--r-- | source4/scripting/ejs/smbcalls_config.c | 228 |
1 files changed, 228 insertions, 0 deletions
diff --git a/source4/scripting/ejs/smbcalls_config.c b/source4/scripting/ejs/smbcalls_config.c new file mode 100644 index 0000000000..eb673b3a23 --- /dev/null +++ b/source4/scripting/ejs/smbcalls_config.c @@ -0,0 +1,228 @@ +/* + 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 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 "scripting/ejs/smbcalls.h" +#include "lib/appweb/ejs/ejs.h" +#include "param/loadparm.h" +#include "system/network.h" +#include "lib/socket/netif.h" +#include "param/param.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(mprLpCtx());i++) { + list = str_list_add(list, lp_servicename(lp_servicebynum(mprLpCtx(), i))); + } + talloc_steal(mprMemCtx(), list); + mpr_Return(eid, mprList("services", list)); + return 0; +} + + +/* + allow access to loadparm variables from inside ejs scripts in web apps + + 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) { + struct loadparm_service *service; + /* its a share parameter */ + service = lp_service(mprLpCtx(), argv[0]); + if (service == NULL) { + mpr_Return(eid, mprCreateUndefinedVar()); + return 0; + } + 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) { + mpr_Return(eid, mprCreateUndefinedVar()); + return 0; + } + value = lp_get_parametric(mprLpCtx(), service, type, option); + if (value == NULL) { + mpr_Return(eid, mprCreateUndefinedVar()); + return 0; + } + mpr_ReturnString(eid, value); + return 0; + } + + parm = lp_parm_struct(argv[1]); + if (parm == NULL || parm->class == P_GLOBAL) { + mpr_Return(eid, mprCreateUndefinedVar()); + return 0; + } + parm_ptr = lp_parm_ptr(mprLpCtx(), service, 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) { + mpr_Return(eid, mprCreateUndefinedVar()); + return 0; + } + value = lp_get_parametric(mprLpCtx(), NULL, type, option); + if (value == NULL) { + mpr_Return(eid, mprCreateUndefinedVar()); + return 0; + } + mpr_ReturnString(eid, value); + return 0; + } else { + /* its a global parameter */ + parm = lp_parm_struct(argv[0]); + if (parm == NULL) { + mpr_Return(eid, mprCreateUndefinedVar()); + return 0; + } + parm_ptr = lp_parm_ptr(mprLpCtx(), NULL, parm); + } + + if (parm == NULL || parm_ptr == NULL) { + mpr_Return(eid, mprCreateUndefinedVar()); + return 0; + } + + /* 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_OCTAL: + 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; + } + } + mpr_Return(eid, mprCreateUndefinedVar()); + return 0; + case P_LIST: + mpr_Return(eid, mprList(parm->label, *(const char ***)parm_ptr)); + break; + } + return 0; +} + +/* + v = lp.filename(); obtain filename +*/ +static int ejs_lpFilename(MprVarHandle eid, int argc, char **argv) +{ + mpr_ReturnString(eid, lp_configfile(mprLpCtx())); + 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(mprLpCtx(), argv[0], argv[1]))); + return 0; +} + +/* + reload smb.conf + + ok = lp.reload(); +*/ +static int ejs_lpReload(MprVarHandle eid, int argc, char **argv) +{ + bool ret; + const char *filename = lp_configfile(mprLpCtx()); + + ret = lp_load(mprLpCtx(), filename); + 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, "filename", ejs_lpFilename); + 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; +} |