r7002: added support for getting at loadparm config parameters via lpGet() in esp...
[samba.git] / source / param / loadparm.c
index 4b55db8aabafd632c6abebcb72842b51c607a93b..ceb73e99581851f83ef243964a53e83c17c8d61f 100644 (file)
@@ -63,6 +63,7 @@
 #include "librpc/gen_ndr/ndr_samr.h"
 #include "librpc/gen_ndr/ndr_nbt.h"
 #include "dlinklist.h"
+#include "web_server/esp/esp.h"
 
 BOOL in_client = False;                /* Not in the client by default */
 static BOOL bLoaded = False;
@@ -105,8 +106,7 @@ static BOOL defaults_saved = False;
 /* the following are used by loadparm for option lists */
 typedef enum
 {
-  P_BOOL,P_BOOLREV,P_CHAR,P_INTEGER,P_OCTAL,P_LIST,
-  P_STRING,P_USTRING,P_ENUM,P_SEP
+  P_BOOL,P_INTEGER,P_LIST,P_STRING,P_USTRING,P_ENUM,P_SEP
 } parm_type;
 
 typedef enum
@@ -1853,20 +1853,14 @@ static void copy_service(service * pserviceDest, service * pserviceSource, BOOL
 
                        switch (parm_table[i].type) {
                                case P_BOOL:
-                               case P_BOOLREV:
                                        *(BOOL *)dest_ptr = *(BOOL *)src_ptr;
                                        break;
 
                                case P_INTEGER:
                                case P_ENUM:
-                               case P_OCTAL:
                                        *(int *)dest_ptr = *(int *)src_ptr;
                                        break;
 
-                               case P_CHAR:
-                                       *(char *)dest_ptr = *(char *)src_ptr;
-                                       break;
-
                                case P_STRING:
                                        string_set(dest_ptr,
                                                   *(char **)src_ptr);
@@ -2374,23 +2368,10 @@ BOOL lp_do_parameter(int snum, const char *pszParmName, const char *pszParmValue
                        set_boolean(parm_ptr, pszParmValue);
                        break;
 
-               case P_BOOLREV:
-                       set_boolean(parm_ptr, pszParmValue);
-                       *(BOOL *)parm_ptr = !*(BOOL *)parm_ptr;
-                       break;
-
                case P_INTEGER:
                        *(int *)parm_ptr = atoi(pszParmValue);
                        break;
 
-               case P_CHAR:
-                       *(char *)parm_ptr = *pszParmValue;
-                       break;
-
-               case P_OCTAL:
-                       sscanf(pszParmValue, "%o", (int *)parm_ptr);
-                       break;
-
                case P_LIST:
                        *(const char ***)parm_ptr = str_list_make(talloc_autofree_context(), 
                                                                  pszParmValue, NULL);
@@ -2557,26 +2538,10 @@ static void print_parameter(struct parm_struct *p, void *ptr, FILE * f)
                        fprintf(f, "%s", BOOLSTR(*(BOOL *)ptr));
                        break;
 
-               case P_BOOLREV:
-                       fprintf(f, "%s", BOOLSTR(!*(BOOL *)ptr));
-                       break;
-
                case P_INTEGER:
                        fprintf(f, "%d", *(int *)ptr);
                        break;
 
-               case P_CHAR:
-                       fprintf(f, "%c", *(char *)ptr);
-                       break;
-
-               case P_OCTAL:
-                       if (*(int *)ptr == -1) {
-                               fprintf(f, "-1");
-                       } else {
-                               fprintf(f, "0%o", *(int *)ptr);
-                       }
-                       break;
-
                case P_LIST:
                        if ((char ***)ptr && *(char ***)ptr) {
                                char **list = *(char ***)ptr;
@@ -2606,17 +2571,12 @@ static BOOL equal_parameter(parm_type type, void *ptr1, void *ptr2)
 {
        switch (type) {
                case P_BOOL:
-               case P_BOOLREV:
                        return (*((BOOL *)ptr1) == *((BOOL *)ptr2));
 
                case P_INTEGER:
                case P_ENUM:
-               case P_OCTAL:
                        return (*((int *)ptr1) == *((int *)ptr2));
 
-               case P_CHAR:
-                       return (*((char *)ptr1) == *((char *)ptr2));
-               
                case P_LIST:
                        return str_list_equal((const char **)(*(char ***)ptr1), 
                                              (const char **)(*(char ***)ptr2));
@@ -2702,14 +2662,9 @@ static BOOL is_default(int i)
                        return strequal(parm_table[i].def.svalue,
                                        *(char **)parm_table[i].ptr);
                case P_BOOL:
-               case P_BOOLREV:
                        return parm_table[i].def.bvalue ==
                                *(BOOL *)parm_table[i].ptr;
-               case P_CHAR:
-                       return parm_table[i].def.cvalue ==
-                               *(char *)parm_table[i].ptr;
                case P_INTEGER:
-               case P_OCTAL:
                case P_ENUM:
                        return parm_table[i].def.ivalue ==
                                *(int *)parm_table[i].ptr;
@@ -2965,16 +2920,10 @@ static void lp_save_defaults(void)
                                }
                                break;
                        case P_BOOL:
-                       case P_BOOLREV:
                                parm_table[i].def.bvalue =
                                        *(BOOL *)parm_table[i].ptr;
                                break;
-                       case P_CHAR:
-                               parm_table[i].def.cvalue =
-                                       *(char *)parm_table[i].ptr;
-                               break;
                        case P_INTEGER:
-                       case P_OCTAL:
                        case P_ENUM:
                                parm_table[i].def.ivalue =
                                        *(int *)parm_table[i].ptr;
@@ -3355,3 +3304,117 @@ int lp_maxprintjobs(int snum)
 
        return maxjobs;
 }
+
+
+/*
+  allow access to loadparm variables from inside esp scripts in swat
+  
+  can be called in 4 ways:
+
+    v = lpGet("type:parm");             gets a parametric variable
+    v = lpGet("share", "type:parm");    gets a parametric variable on a share
+    v = lpGet("parm");                  gets a global variable
+    v = lpGet("share", "parm");         gets a share variable
+
+  the returned variable is a ejs object. It is an array object for lists.  
+*/
+int esp_lpGet(struct EspRequest *ep, 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 parmnum, 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(ep, argv[1], strcspn(argv[1], ":"));
+                       const char *option = strchr(argv[1], ':') + 1;
+                       const char *value;
+                       if (type == NULL || option == NULL) return -1;
+                       value = get_parametrics(snum, type, option);
+                       if (value == NULL) return -1;
+                       espSetReturnString(ep, value);
+                       return 0;
+               }
+
+               /* find a share parameter */
+               parmnum = map_parameter(argv[1]);
+               if (parmnum == -1) {
+                       return -1;
+               }
+               parm = &parm_table[parmnum];
+               if (parm->class == P_GLOBAL) {
+                       return -1;
+               }
+               parm_ptr = ((char *)ServicePtrs[snum]) + PTR_DIFF(parm->ptr, &sDefault);
+       } else if (strchr(argv[0], ':')) {
+               /* its a global parametric option */
+               const char *type = talloc_strndup(ep, argv[0], strcspn(argv[0], ":"));
+               const char *option = strchr(argv[0], ':') + 1;
+               const char *value;
+               if (type == NULL || option == NULL) return -1;
+               value = get_parametrics(-1, type, option);
+               if (value == NULL) return -1;
+               espSetReturnString(ep, value);
+               return 0;
+       } else {
+               /* its a global parameter */
+               int parmnum = map_parameter(argv[0]);
+               if (parmnum == -1) {
+                       return -1;
+               }
+               parm = &parm_table[parmnum];
+               parm_ptr = parm->ptr;
+       }
+
+       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:
+               espSetReturnString(ep, *(char **)parm_ptr);
+               break;
+       case P_BOOL:
+               espSetReturn(ep, mprCreateBoolVar(*(BOOL *)parm_ptr));
+               break;
+       case P_INTEGER:
+               espSetReturn(ep, 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) {
+                               espSetReturnString(ep, parm->enum_list[i].name);
+                               return 0;
+                       }
+               }
+               return -1;
+       
+       case P_LIST: {
+               const char **list = *(const char ***)parm_ptr;
+               struct MprVar var;
+               var = mprCreateObjVar(parm->label, 10);
+               for (i=0;list[i];i++) {
+                       char idx[16];
+                       struct MprVar val;
+                       mprItoa(i, idx, sizeof(idx));
+                       val = mprCreateStringVar(list[i], 1);
+                       mprCreateProperty(&var, idx, &val);
+               }
+               espSetReturn(ep, var);
+               break;
+       case P_SEP:
+               return -1;
+       }
+       }
+       return 0;
+}