/*
* $Id: dict.c,v 1.1 2004/11/14 07:26:26 paulus Exp $
*
* Copyright (C) 2002 Roaring Penguin Software Inc.
*
* Copyright (C) 1995,1996,1997 Lars Fenneberg
*
* Copyright 1992 Livingston Enterprises, Inc.
*
* Copyright 1992,1993, 1994,1995 The Regents of the University of Michigan
* and Merit Network, Inc. All Rights Reserved
*
* See the file COPYRIGHT for the respective terms and conditions.
* If the file is missing contact me at lf@elemental.net
* and I'll send you a copy.
*
*/
#include <includes.h>
#include <radiusclient.h>
static DICT_ATTR *dictionary_attributes = NULL;
static DICT_VALUE *dictionary_values = NULL;
static VENDOR_DICT *vendor_dictionaries = NULL;
/*
* Function: rc_read_dictionary
*
* Purpose: Initialize the dictionary. Read all ATTRIBUTES into
* the dictionary_attributes list. Read all VALUES into
* the dictionary_values list. Construct VENDOR dictionaries
* as required.
*
*/
int rc_read_dictionary (char *filename)
{
FILE *dictfd;
char dummystr[AUTH_ID_LEN];
char namestr[AUTH_ID_LEN];
char valstr[AUTH_ID_LEN];
char attrstr[AUTH_ID_LEN];
char typestr[AUTH_ID_LEN];
char vendorstr[AUTH_ID_LEN];
int line_no;
DICT_ATTR *attr;
DICT_VALUE *dval;
VENDOR_DICT *vdict;
char buffer[256];
int value;
int type;
int n;
int retcode;
if ((dictfd = fopen (filename, "r")) == (FILE *) NULL)
{
error( "rc_read_dictionary: couldn't open dictionary %s: %s",
filename, strerror(errno));
return (-1);
}
line_no = 0;
retcode = 0;
while (fgets (buffer, sizeof (buffer), dictfd) != (char *) NULL)
{
line_no++;
/* Skip empty space */
if (*buffer == '#' || *buffer == '\0' || *buffer == '\n')
{
continue;
}
if (strncmp (buffer, "VENDOR", 6) == 0) {
/* Read the VENDOR line */
if (sscanf(buffer, "%s%s%d", dummystr, namestr, &value) != 3) {
error("rc_read_dictionary: invalid vendor on line %d of dictionary %s",
line_no, filename);
retcode = -1;
break;
}
/* Validate entry */
if (strlen (namestr) > NAME_LENGTH) {
error("rc_read_dictionary: invalid name length on line %d of dictionary %s",
line_no, filename);
retcode = -1;
break;
}
/* Create new vendor entry */
vdict = (VENDOR_DICT *) malloc (sizeof (VENDOR_DICT));
if (!vdict) {
novm("rc_read_dictionary");
retcode = -1;
break;
}
strcpy(vdict->vendorname, namestr);
vdict->vendorcode = value;
vdict->attributes = NULL;
vdict->next = vendor_dictionaries;
vendor_dictionaries = vdict;
}
else if (strncmp (buffer, "ATTRIBUTE", 9) == 0)
{
/* Read the ATTRIBUTE line. It is one of:
* ATTRIBUTE attr_name attr_val type OR
* ATTRIBUTE attr_name attr_val type vendor */
vendorstr[0] = 0;
n = sscanf(buffer, "%s%s%s%s%s", dummystr, namestr, valstr, typestr, vendorstr);
if (n != 4 && n != 5)
{
error("rc_read_dictionary: invalid attribute on line %d of dictionary %s",
line_no, filename);
retcode = -1;
break;
}
/*
* Validate all entries
*/
if (strlen (namestr) > NAME_LENGTH)
{
error("rc_read_dictionary: invalid name length on line %d of dictionary %s",
line_no, filename);
retcode = -1;
break;
}
if (strlen (vendorstr) > NAME_LENGTH)
{
error("rc_read_dictionary: invalid name length on line %d of dictionary %s",
line_no, filename);
retcode = -1;
break;
}
if (!isdigit (*valstr))
{
error("rc_read_dictionary: invalid value on line %d of dictionary %s",
line_no, filename);
retcode = -1;
break;
}
value = atoi (valstr);
if (strcmp (typestr, "string") == 0)
{
type = PW_TYPE_STRING;
}
else if (strcmp (typestr, "integer") == 0)
{
type = PW_TYPE_INTEGER;
}
else if (strcmp (typestr, "ipaddr") == 0)
{
type = PW_TYPE_IPADDR;
}
else if (strcmp (typestr, "date") == 0)
{
type = PW_TYPE_DATE;
}
else
{
error("rc_read_dictionary: invalid type on line %d of dictionary %s",
line_no, filename);
retcode = -1;
break;
}
/* Search for vendor if supplied */
if (*vendorstr) {
vdict = rc_dict_findvendor(vendorstr);
if (!vdict) {
error("rc_read_dictionary: unknown vendor on line %d of dictionary %s",
line_no, filename);
retcode = -1;
break;
}
} else {
vdict = NULL;
}
/* Create a new attribute for the list */
if ((attr =
(DICT_ATTR *) malloc (sizeof (DICT_ATTR)))
== (DICT_ATTR *) NULL)
{
novm("rc_read_dictionary");
retcode = -1;
break;
}
strcpy (attr->name, namestr);
if (vdict) {
attr->vendorcode = vdict->vendorcode;
} else {
attr->vendorcode = VENDOR_NONE;
}
attr->value = value;
attr->type = type;
/* Insert it into the list */
if (vdict) {
attr->next = vdict->attributes;
vdict->attributes = attr;
} else {
attr->next = dictionary_attributes;
dictionary_attributes = attr;
}
}
else if (strncmp (buffer, "VALUE", 5) == 0)
{
/* Read the VALUE line */
if (sscanf (buffer, "%s%s%s%s", dummystr, attrstr,
namestr, valstr) != 4)
{
error("rc_read_dictionary: invalid value entry on line %d of dictionary %s",
line_no, filename);
retcode = -1;
break;
}
/*
* Validate all entries
*/
if (strlen (attrstr) > NAME_LENGTH)
{
error("rc_read_dictionary: invalid attribute length on line %d of dictionary %s",
line_no, filename);
retcode = -1;
break;
}
if (strlen (namestr) > NAME_LENGTH)
{
error("rc_read_dictionary: invalid name length on line %d of dictionary %s",
line_no, filename);
retcode = -1;
break;
}
if (!isdigit (*valstr))
{
error("rc_read_dictionary: invalid value on line %d of dictionary %s",
line_no, filename);
retcode = -1;
break;
}
value = atoi (valstr);
/* Create a new VALUE entry for the list */
if ((dval =
(DICT_VALUE *) malloc (sizeof (DICT_VALUE)))
== (DICT_VALUE *) NULL)
{
novm("rc_read_dictionary");
retcode = -1;
break;
}
strcpy (dval->attrname, attrstr);
strcpy (dval->name, namestr);
dval->value = value;
/* Insert it into the list */
dval->next = dictionary_values;
dictionary_values = dval;
}
else if (strncmp (buffer, "INCLUDE", 7) == 0)
{
/* Read the INCLUDE line */
if (sscanf (buffer, "%s%s", dummystr, namestr) != 2)
{
error("rc_read_dictionary: invalid include entry on line %d of dictionary %s",
line_no, filename);
retcode = -1;
break;
}
if (rc_read_dictionary(namestr) == -1)
{
retcode = -1;
break;
}
}
}
fclose (dictfd);
return retcode;
}
/*
* Function: rc_dict_getattr
*
* Purpose: Return the full attribute structure based on the
* attribute id number and vendor code. If vendor code is VENDOR_NONE,
* non-vendor-specific attributes are used
*
*/
DICT_ATTR *rc_dict_getattr (int attribute, int vendor)
{
DICT_ATTR *attr;
VENDOR_DICT *dict;
if (vendor == VENDOR_NONE) {
attr = dictionary_attributes;
while (attr != (DICT_ATTR *) NULL) {
if (attr->value == attribute) {
return (attr);
}
attr = attr->next;
}
} else {
dict = rc_dict_getvendor(vendor);
if (!dict) {
return NULL;
}
attr = dict->attributes;
while (attr) {
if (attr->value == attribute) {
return attr;
}
attr = attr->next;
}
}
return NULL;
}
/*
* Function: rc_dict_findattr
*
* Purpose: Return the full attribute structure based on the
* attribute name.
*
*/
DICT_ATTR *rc_dict_findattr (char *attrname)
{
DICT_ATTR *attr;
VENDOR_DICT *dict;
attr = dictionary_attributes;
while (attr != (DICT_ATTR *) NULL)
{
if (strcasecmp (attr->name, attrname) == 0)
{
return (attr);
}
attr = attr->next;
}
/* Search vendor-specific dictionaries */
dict = vendor_dictionaries;
while (dict) {
attr = dict->attributes;
while (attr) {
if (strcasecmp (attr->name, attrname) == 0) {
return (attr);
}
attr = attr->next;
}
dict = dict->next;
}
return ((DICT_ATTR *) NULL);
}
/*
* Function: rc_dict_findval
*
* Purpose: Return the full value structure based on the
* value name.
*
*/
DICT_VALUE *rc_dict_findval (char *valname)
{
DICT_VALUE *val;
val = dictionary_values;
while (val != (DICT_VALUE *) NULL)
{
if (strcasecmp (val->name, valname) == 0)
{
return (val);
}
val = val->next;
}
return ((DICT_VALUE *) NULL);
}
/*
* Function: dict_getval
*
* Purpose: Return the full value structure based on the
* actual value and the associated attribute name.
*
*/
DICT_VALUE * rc_dict_getval (UINT4 value, char *attrname)
{
DICT_VALUE *val;
val = dictionary_values;
while (val != (DICT_VALUE *) NULL)
{
if (strcmp (val->attrname, attrname) == 0 &&
val->value == value)
{
return (val);
}
val = val->next;
}
return ((DICT_VALUE *) NULL);
}
/*
* Function: rc_dict_findvendor
*
* Purpose: Return the vendor's dictionary given the vendor name.
*
*/
VENDOR_DICT * rc_dict_findvendor (char *vendorname)
{
VENDOR_DICT *dict;
dict = vendor_dictionaries;
while (dict) {
if (!strcmp(vendorname, dict->vendorname)) {
return dict;
}
dict = dict->next;
}
return NULL;
}
/*
* Function: rc_dict_getvendor
*
* Purpose: Return the vendor's dictionary given the vendor ID
*
*/
VENDOR_DICT * rc_dict_getvendor (int id)
{
VENDOR_DICT *dict;
dict = vendor_dictionaries;
while (dict) {
if (id == dict->vendorcode) {
return dict;
}
dict = dict->next;
}
return NULL;
}