#define DICT_VENDOR_MAX_NAME_LEN (128)
#define DICT_ATTR_MAX_NAME_LEN (128)
+#define DICT_ATTR_SIZE sizeof(DICT_ATTR) + DICT_ATTR_MAX_NAME_LEN
+
static fr_hash_table_t *vendors_byname = NULL;
static fr_hash_table_t *vendors_byvalue = NULL;
static fr_hash_table_t *attributes_byname = NULL;
static fr_hash_table_t *attributes_byvalue = NULL;
+static fr_hash_table_t *attributes_combo = NULL;
+
static fr_hash_table_t *values_byvalue = NULL;
static fr_hash_table_t *values_byname = NULL;
{ "integer64", PW_TYPE_INTEGER64 },
{ "uint64", PW_TYPE_INTEGER64 },
{ "ipv4prefix", PW_TYPE_IPV4PREFIX },
+ { "vsa", PW_TYPE_VSA },
{ NULL, 0 }
};
return a->attr - b->attr;
}
+static uint32_t dict_attr_combo_hash(const void *data)
+{
+ uint32_t hash;
+ const DICT_ATTR *attr = data;
+
+ hash = fr_hash(&attr->vendor, sizeof(attr->vendor));
+ hash = fr_hash_update(&attr->type, sizeof(attr->type), hash);
+ return fr_hash_update(&attr->attr, sizeof(attr->attr), hash);
+}
+
+static int dict_attr_combo_cmp(const void *one, const void *two)
+{
+ const DICT_ATTR *a = one;
+ const DICT_ATTR *b = two;
+
+ if (a->type < b->type) return -1;
+ if (a->type > b->type) return +1;
+
+ if (a->vendor < b->vendor) return -1;
+ if (a->vendor > b->vendor) return +1;
+
+ return a->attr - b->attr;
+}
+
static uint32_t dict_vendor_name_hash(const void *data)
{
return dict_hashname(((const DICT_VENDOR *)data)->name);
fr_hash_table_free(attributes_byname);
fr_hash_table_free(attributes_byvalue);
+ fr_hash_table_free(attributes_combo);
attributes_byname = NULL;
attributes_byvalue = NULL;
+ attributes_combo = NULL;
fr_hash_table_free(values_byname);
fr_hash_table_free(values_byvalue);
dict_stat_free();
}
-
/*
* Add vendor to the list.
*/
size_t namelen;
static int max_attr = 0;
const char *p;
- DICT_ATTR *da;
-
+ const DICT_ATTR *da;
+ DICT_ATTR *n;
+
namelen = strlen(name);
if (namelen >= DICT_ATTR_MAX_NAME_LEN) {
fr_strerror_printf("dict_addattr: attribute name too long");
/*
* Create a new attribute for the list
*/
- if ((da = fr_pool_alloc(sizeof(*da) + namelen)) == NULL) {
- fr_strerror_printf("dict_addattr: out of memory");
+ if ((n = fr_pool_alloc(sizeof(*n) + namelen)) == NULL) {
+ oom:
+ fr_strerror_printf("dict_adnttr: out of memory");
return -1;
}
- memcpy(da->name, name, namelen);
- da->name[namelen] = '\0';
- da->attr = attr;
- da->vendor = vendor;
- da->type = type;
- da->flags = flags;
+ memcpy(n->name, name, namelen);
+ n->name[namelen] = '\0';
+ n->attr = attr;
+ n->vendor = vendor;
+ n->type = type;
+ n->flags = flags;
/*
* Insert the attribute, only if it's not a duplicate.
*/
- if (!fr_hash_table_insert(attributes_byname, da)) {
+ if (!fr_hash_table_insert(attributes_byname, n)) {
DICT_ATTR *a;
/*
* If the attribute has identical number, then
* ignore the duplicate.
*/
- a = fr_hash_table_finddata(attributes_byname, da);
- if (a && (strcasecmp(a->name, da->name) == 0)) {
- if (a->attr != da->attr) {
- fr_strerror_printf("dict_addattr: Duplicate attribute name %s", name);
- fr_pool_free(da);
+ a = fr_hash_table_finddata(attributes_byname, n);
+ if (a && (strcasecmp(a->name, n->name) == 0)) {
+ if (a->attr != n->attr) {
+ fr_strerror_printf("dict_adnttr: Duplicate attribute name %s", name);
+ fr_pool_free(n);
return -1;
}
fr_hash_table_delete(attributes_byvalue, a);
- if (!fr_hash_table_replace(attributes_byname, da)) {
- fr_strerror_printf("dict_addattr: Internal error storing attribute %s", name);
- fr_pool_free(da);
+ if (!fr_hash_table_replace(attributes_byname, n)) {
+ fr_strerror_printf("dict_adnttr: Internal error storing attribute %s", name);
+ fr_pool_free(n);
return -1;
}
}
* files, but when we're printing them, (and looking up
* by value) we want to use the NEW name.
*/
- if (!fr_hash_table_replace(attributes_byvalue, da)) {
- fr_strerror_printf("dict_addattr: Failed inserting attribute name %s", name);
+ if (!fr_hash_table_replace(attributes_byvalue, n)) {
+ fr_strerror_printf("dict_adnttr: Failed inserting attribute name %s", name);
return -1;
}
+ /*
+ * Hacks for combo-IP
+ */
+ if (n->type == PW_TYPE_COMBO_IP) {
+ DICT_ATTR *v4, *v6;
+
+ v4 = fr_pool_alloc(sizeof(*v4));
+ if (!v4) goto oom;
+
+ v6 = fr_pool_alloc(sizeof(*v6));
+ if (!v6) {
+ free(v4);
+ goto oom;
+ }
+
+ memcpy(v4, n, sizeof(*v4));
+ v4->type = PW_TYPE_IPADDR;
+
+ memcpy(v6, n, sizeof(*v6));
+ v6->type = PW_TYPE_IPV6ADDR;
+
+ if (!fr_hash_table_insert(attributes_combo, v4)) {
+ fr_strerror_printf("dict_addattr: Failed inserting attribute name %s - IPv4", name);
+ free(v4);
+ free(v6);
+ return -1;
+ }
+
+ if (!fr_hash_table_insert(attributes_combo, v6)) {
+ fr_strerror_printf("dict_addattr: Failed inserting attribute name %s - IPv6", name);
+ free(v6);
+ return -1;
+ }
+ }
+
if (!vendor && (attr > 0) && (attr < 256)) {
- dict_base_attrs[attr] = da;
+ dict_base_attrs[attr] = n;
}
return 0;
int dict_addvalue(const char *namestr, const char *attrstr, int value)
{
size_t length;
- DICT_ATTR *dattr;
+ const DICT_ATTR *dattr;
DICT_VALUE *dval;
- static DICT_ATTR *last_attr = NULL;
+ static const DICT_ATTR *last_attr = NULL;
if (!*namestr) {
fr_strerror_printf("dict_addvalue: empty names are not permitted");
fr_int2str(dict_attr_types, dattr->type, "?Unknown?"));
return -1;
}
-
- dattr->flags.has_value = 1;
} else {
value_fixup_t *fixup;
/*
* Add the value into the dictionary.
*/
- if (!fr_hash_table_insert(values_byname, dval)) {
- if (dattr) {
- DICT_VALUE *old;
+ {
+ DICT_ATTR *tmp;
+ memcpy(&tmp, &dval, sizeof(tmp));
+
+ if (!fr_hash_table_insert(values_byname, tmp)) {
+ if (dattr) {
+ DICT_VALUE *old;
- /*
- * Suppress duplicates with the same
- * name and value. There are lots in
- * dictionary.ascend.
- */
- old = dict_valbyname(dattr->attr, dattr->vendor, namestr);
- if (old && (old->value == dval->value)) {
- fr_pool_free(dval);
- return 0;
+ /*
+ * Suppress duplicates with the same
+ * name and value. There are lots in
+ * dictionary.ascend.
+ */
+ old = dict_valbyname(dattr->attr, dattr->vendor, namestr);
+ if (old && (old->value == dval->value)) {
+ fr_pool_free(dval);
+ return 0;
+ }
}
- }
- fr_pool_free(dval);
- fr_strerror_printf("dict_addvalue: Duplicate value name %s for attribute %s", namestr, attrstr);
- return -1;
+ fr_pool_free(dval);
+ fr_strerror_printf("dict_addvalue: Duplicate value name %s for attribute %s", namestr, attrstr);
+ return -1;
+ }
}
/*
{
const char *p;
unsigned int value;
- DICT_ATTR *da;
+ const DICT_ATTR *da = NULL;
if (tlv_depth > fr_attr_max_tlv) {
fr_strerror_printf("Too many sub-attributes");
return -1;
}
- if (!*pvendor && (tlv_depth == 1) &&
+ if (!*pvendor && (tlv_depth == 1) && da &&
(da->flags.has_tlv || da->flags.extended)) {
/*
* Bamboo skewers under the fingernails in 5, 4, 3, 2, ...
*/
-static DICT_ATTR *dict_parent(unsigned int attr, unsigned int vendor)
+static const DICT_ATTR *dict_parent(unsigned int attr, unsigned int vendor)
{
if (vendor < FR_MAX_VENDOR) {
return dict_attrbyvalue(attr & 0xff, vendor);
* Process the ATTRIBUTE command
*/
static int process_attribute(const char* fn, const int line,
- unsigned int block_vendor, DICT_ATTR *block_tlv,
- int tlv_depth, char **argv, int argc)
+ unsigned int block_vendor,
+ const DICT_ATTR *block_tlv, int tlv_depth,
+ char **argv, int argc)
{
int oid = 0;
unsigned int vendor = 0;
}
if (oid) {
- DICT_ATTR *da;
+ const DICT_ATTR *da;
vendor = block_vendor;
fr_strerror_printf("dict_init: %s[%d]: Attributes of type \"extended\" MUST be RFC attributes with value >= 241.", fn, line);
return -1;
}
- type = PW_TYPE_OCTETS;
flags.extended = 1;
break;
fr_strerror_printf("dict_init: %s[%d]: Attributes of type \"long-extended\" MUST be RFC attributes with value >= 241.", fn, line);
return -1;
}
- type = PW_TYPE_OCTETS;
flags.extended = 1;
flags.long_extended = 1;
break;
case PW_TYPE_EVS:
- type = PW_TYPE_OCTETS;
flags.extended = 1;
flags.evs = 1;
if (value != PW_VENDOR_SPECIFIC) {
static int process_value_alias(const char* fn, const int line, char **argv,
int argc)
{
- DICT_ATTR *my_da, *da;
+ const DICT_ATTR *my_da, *da;
DICT_VALUE *dval;
if (argc != 2) {
return -1;
}
- if (my_da->flags.has_value) {
- fr_strerror_printf("dict_init: %s[%d]: Cannot add VALUE-ALIAS to ATTRIBUTE \"%s\" with pre-existing VALUE",
- fn, line, argv[0]);
- return -1;
- }
-
if (my_da->flags.has_value_alias) {
fr_strerror_printf("dict_init: %s[%d]: Cannot add VALUE-ALIAS to ATTRIBUTE \"%s\" with pre-existing VALUE-ALIAS",
fn, line, argv[0]);
return -1;
}
- if (!da->flags.has_value) {
- fr_strerror_printf("dict_init: %s[%d]: VALUE-ALIAS cannot refer to ATTRIBUTE %s: It has no values",
- fn, line, argv[1]);
- return -1;
- }
-
if (da->flags.has_value_alias) {
fr_strerror_printf("dict_init: %s[%d]: Cannot add VALUE-ALIAS to ATTRIBUTE \"%s\" which itself has a VALUE-ALIAS",
fn, line, argv[1]);
/*
* Initialize the dictionary.
*/
-static int my_dict_init(const char *dir, const char *fn,
+static int my_dict_init(const char *parent, const char *filename,
const char *src_file, int src_line)
{
FILE *fp;
- char dirtmp[256];
+ char dir[256], fn[256];
char buf[256];
char *p;
int line = 0;
struct stat statbuf;
char *argv[MAX_ARGV];
int argc;
- DICT_ATTR *da, *block_tlv[MAX_TLV_NEST + 1];
+ const DICT_ATTR *da, *block_tlv[MAX_TLV_NEST + 1];
int which_block_tlv = 0;
block_tlv[0] = NULL;
block_tlv[2] = NULL;
block_tlv[3] = NULL;
- if (strlen(fn) >= sizeof(dirtmp) / 2 ||
- strlen(dir) >= sizeof(dirtmp) / 2) {
+ if ((strlen(parent) + 3 + strlen(filename)) > sizeof(dir)) {
fr_strerror_printf("dict_init: filename name too long");
return -1;
}
/*
- * First see if fn is relative to dir. If so, create
- * new filename. If not, remember the absolute dir.
+ * If it's an absolute dir, forget the parent dir,
+ * and remember the new one.
+ *
+ * If it's a relative dir, tack on the current filename
+ * to the parent dir. And use that.
*/
- if ((p = strrchr(fn, FR_DIR_SEP)) != NULL) {
- strcpy(dirtmp, fn);
- dirtmp[p - fn] = 0;
- dir = dirtmp;
- } else if (dir && dir[0] && strcmp(dir, ".") != 0) {
- snprintf(dirtmp, sizeof(dirtmp), "%s/%s", dir, fn);
- fn = dirtmp;
+ if (!FR_DIR_IS_RELATIVE(filename)) {
+ strlcpy(dir, filename, sizeof(dir));
+ p = strrchr(dir, FR_DIR_SEP);
+ if (p) {
+ p[1] = '\0';
+ } else {
+ strlcat(dir, "/", sizeof(dir));
+ }
+
+ strlcpy(fn, filename, sizeof(fn));
+ } else {
+ strlcpy(dir, parent, sizeof(dir));
+ p = strrchr(dir, FR_DIR_SEP);
+ if (p) {
+ if (p[1]) strlcat(dir, "/", sizeof(dir));
+ } else {
+ strlcat(dir, "/", sizeof(dir));
+ }
+ strlcat(dir, filename, sizeof(dir));
+ p = strrchr(dir, FR_DIR_SEP);
+ if (p) {
+ p[1] = '\0';
+ } else {
+ strlcat(dir, "/", sizeof(dir));
+ }
+
+ p = strrchr(filename, FR_DIR_SEP);
+ if (p) {
+ snprintf(fn, sizeof(fn), "%s%s", dir, p);
+ } else {
+ snprintf(fn, sizeof(fn), "%s%s", dir, filename);
+ }
+
}
if ((fp = fopen(fn, "r")) == NULL) {
return -1;
}
+ /*
+ * Horrible hacks for combo-IP.
+ */
+ attributes_combo = fr_hash_table_create(dict_attr_combo_hash,
+ dict_attr_combo_cmp,
+ fr_pool_free);
+ if (!attributes_combo) {
+ return -1;
+ }
+
values_byname = fr_hash_table_create(dict_value_name_hash,
dict_value_name_cmp,
fr_pool_free);
return -1;
if (value_fixup) {
- DICT_ATTR *a;
+ const DICT_ATTR *a;
value_fixup_t *this, *next;
for (this = value_fixup; this != NULL; this = next) {
return 0;
}
+static size_t print_attr_oid(char *buffer, size_t size, unsigned int attr,
+ int dv_type)
+{
+ int nest;
+ size_t outlen;
+ size_t len;
+
+ switch (dv_type) {
+ case 4:
+ return snprintf(buffer, size, "%u", attr);
+
+ case 2:
+ return snprintf(buffer, size, "%u", attr & 0xffff);
+
+ default:
+ case 1:
+ len = snprintf(buffer, size, "%u", attr & 0xff);
+ break;
+ }
+
+ if ((attr >> 8) == 0) return len;
+
+ outlen = len;
+ buffer += len;
+ size -= len;
+
+ for (nest = 1; nest <= fr_attr_max_tlv; nest++) {
+ if (((attr >> fr_attr_shift[nest]) & fr_attr_mask[nest]) == 0) break;
+
+ len = snprintf(buffer, size, ".%u",
+ (attr >> fr_attr_shift[nest]) & fr_attr_mask[nest]);
+
+ outlen = len;
+ buffer += len;
+ size -= len;
+ }
+
+ return outlen;
+}
+
+/** Free dynamically allocated (unknown attributes)
+ *
+ * If the da was dynamically allocated it will be freed, else the function
+ * will return without doing anything.
+ *
+ * @param da to free.
+ */
+void dict_attr_free(DICT_ATTR const **da)
+{
+ DICT_ATTR **tmp;
+
+ if (!da || !*da) return;
+
+ /* Don't free real DAs */
+ if (!(*da)->flags.is_unknown) {
+ return;
+ }
+
+ memcpy(&tmp, &da, sizeof(*tmp));
+ free(*tmp);
+
+ *tmp = NULL;
+}
+
+/** Copies a dictionary attr
+ *
+ * If the attr is dynamically allocated (unknown attribute), then it will be
+ * copied to a new attr.
+ *
+ * If the attr is known, a pointer to the da will be returned.
+ *
+ * @param da to copy.
+ * @param vp_free if TRUE, da will be freed at the same time as the
+ * VALUE_PAIR which contains it.
+ * @return return a copy of the da.
+ */
+const DICT_ATTR *dict_attr_copy(const DICT_ATTR *da, int vp_free)
+{
+ DICT_ATTR *copy;
+
+ if (!da) return NULL;
+
+ if (!da->flags.is_unknown) {
+ return da;
+ }
+
+ copy = malloc(DICT_ATTR_SIZE);
+ if (!copy) {
+ fr_strerror_printf("Out of memory");
+ return NULL;
+ }
+
+ memcpy(copy, da, DICT_ATTR_SIZE);
+ copy->flags.vp_free = (vp_free != 0);
+
+ return copy;
+}
+
+
+/** Allocs an dictionary attr for unknown attributes
+ *
+ * Allocates a dict attr for an unknown attribute/vendor/type
+ * without adding it to dictionary pools/hashes.
+ *
+ * @note Must be freed with dict_attr_free if not used as part of a valuepair.
+ *
+ * @param[in] attr number.
+ * @param[in] vendor number.
+ * @param[in] vp_free if > 0 DICT_ATTR will be freed on VALUE_PAIR free.
+ * @return new dictionary attribute.
+ */
+const DICT_ATTR *dict_attrunknown(unsigned int attr, unsigned int vendor,
+ int vp_free)
+{
+ DICT_ATTR *da;
+ char *p;
+ int dv_type = 1;
+ size_t len = 0;
+ size_t bufsize = DICT_ATTR_MAX_NAME_LEN;
+
+ da = malloc(DICT_ATTR_SIZE);
+ if (!da) {
+ fr_strerror_printf("Out of memory");
+ return NULL;
+ }
+ memset(da, 0, DICT_ATTR_SIZE);
+
+ da->attr = attr;
+ da->vendor = vendor;
+ da->type = PW_TYPE_OCTETS;
+ da->flags.is_unknown = TRUE;
+ da->flags.vp_free = (vp_free != 0);
+
+ p = da->name;
+
+ len = snprintf(p, bufsize, "Attr-");
+ p += len;
+ bufsize -= len;
+
+ if (vendor > FR_MAX_VENDOR) {
+ len = snprintf(p, bufsize, "%u.", vendor / FR_MAX_VENDOR);
+ p += len;
+ bufsize -= len;
+ vendor &= (FR_MAX_VENDOR) - 1;
+ }
+
+ if (vendor) {
+ DICT_VENDOR *dv;
+
+ /*
+ * dv_type is the length of the vendor's type field
+ * RFC 2865 never defined a mandatory length, so
+ * different vendors have different length type fields.
+ */
+ dv = dict_vendorbyvalue(vendor);
+ if (dv) {
+ dv_type = dv->type;
+ }
+ len = snprintf(p, bufsize, "26.%u.", vendor);
+
+ p += len;
+ bufsize -= len;
+ }
+
+ p += print_attr_oid(p, bufsize , attr, dv_type);
+
+ return da;
+}
+
+/** Create a DICT_ATTR from an ASCII attribute and value
+ *
+ * Where the attribute name is in the form:
+ * - Attr-%d
+ * - Attr-%d.%d.%d...
+ * - Vendor-%d-Attr-%d
+ * - VendorName-Attr-%d
+ *
+ * @todo should check attr/vendor against dictionary and return the real da.
+ *
+ * @param[in] attribute name.
+ * @param[in] vp_free if > 0 DICT_ATTR will be freed on VALUE_PAIR free.
+ * @return new da or NULL on error.
+ */
+const DICT_ATTR *dict_attrunknownbyname(const char *attribute, int vp_free)
+{
+ unsigned int attr, vendor = 0;
+ unsigned int dv_type = 1; /* The type of vendor field */
+
+ const char *p = attribute;
+ char *q;
+
+ DICT_VENDOR *dv;
+ const DICT_ATTR *da;
+
+ /*
+ * Pull off vendor prefix first.
+ */
+ if (strncasecmp(p, "Attr-", 5) != 0) {
+ if (strncasecmp(p, "Vendor-", 7) == 0) {
+ vendor = (int) strtol(p + 7, &q, 10);
+ if ((vendor == 0) || (vendor > FR_MAX_VENDOR)) {
+ fr_strerror_printf("Invalid vendor value in "
+ "attribute name \"%s\"",
+ attribute);
+ return NULL;
+ }
+
+ p = q;
+
+ /* must be vendor name */
+ } else {
+ char buffer[256];
+
+ q = strchr(p, '-');
+
+ if (!q) {
+ fr_strerror_printf("Invalid vendor name in "
+ "attribute name \"%s\"",
+ attribute);
+ return NULL;
+ }
+
+ if ((size_t) (q - p) >= sizeof(buffer)) {
+ fr_strerror_printf("Vendor name too long "
+ "in attribute name \"%s\"",
+ attribute);
+ return NULL;
+ }
+
+ memcpy(buffer, p, (q - p));
+ buffer[q - p] = '\0';
+
+ vendor = dict_vendorbyname(buffer);
+ if (!vendor) {
+ fr_strerror_printf("Unknown vendor name in "
+ "attribute name \"%s\"",
+ attribute);
+ return NULL;
+ }
+
+ p = q;
+ }
+
+ if (*p != '-') {
+ fr_strerror_printf("Invalid text following vendor "
+ "definition in attribute name "
+ "\"%s\"", attribute);
+ return NULL;
+ }
+ p++;
+ }
+
+ /*
+ * Attr-%d
+ */
+ if (strncasecmp(p, "Attr-", 5) != 0) {
+ fr_strerror_printf("Invalid format in attribute name \"%s\"",
+ attribute);
+ return NULL;
+ }
+
+ attr = strtol(p + 5, &q, 10);
+
+ /*
+ * Invalid attribute.
+ */
+ if (attr == 0) {
+ fr_strerror_printf("Invalid value in attribute name \"%s\"",
+ attribute);
+ return NULL;
+ }
+
+ p = q;
+
+ /*
+ * Vendor-%d-Attr-%d
+ * VendorName-Attr-%d
+ * Attr-%d
+ * Attr-%d.
+ *
+ * Anything else is invalid.
+ */
+ if (((vendor != 0) && (*p != '\0')) ||
+ ((vendor == 0) && *p && (*p != '.'))) {
+ invalid:
+ fr_strerror_printf("Invalid OID");
+ return NULL;
+ }
+
+ /*
+ * Look for OIDs. Require the "Attr-26.Vendor-Id.type"
+ * format, and disallow "Vendor-%d-Attr-%d" and
+ * "VendorName-Attr-%d"
+ *
+ * This section parses the Vendor-Id portion of
+ * Attr-%d.%d. where the first number is 26, *or* an
+ * extended attribute of the "evs" data type.
+ */
+ if (*p == '.') {
+ da = dict_attrbyvalue(attr, 0);
+ if (!da) {
+ fr_strerror_printf("Cannot parse attributes without "
+ "dictionaries");
+ return NULL;
+ }
+
+ if ((attr != PW_VENDOR_SPECIFIC) &&
+ !(da->flags.extended || da->flags.long_extended)) {
+ fr_strerror_printf("Standard attributes cannot use "
+ "OIDs");
+ return NULL;
+ }
+
+ if ((attr == PW_VENDOR_SPECIFIC) || da->flags.evs) {
+ vendor = strtol(p + 1, &q, 10);
+ if ((vendor == 0) || (vendor > FR_MAX_VENDOR)) {
+ fr_strerror_printf("Invalid vendor");
+ return NULL;
+ }
+
+ if (*q != '.') goto invalid;
+
+ p = q;
+
+ if (da->flags.evs) {
+ vendor |= attr * FR_MAX_VENDOR;
+ }
+ attr = 0;
+ } /* else the second number is a TLV number */
+ }
+
+ /*
+ * Get the expected maximum size of the attribute.
+ */
+ if (vendor) {
+ dv = dict_vendorbyvalue(vendor & (FR_MAX_VENDOR - 1));
+ if (dv) {
+ dv_type = dv->type;
+ if (dv_type > 3) dv_type = 3; /* hack */
+ }
+ }
+
+ /*
+ * Parse the next number. It could be a Vendor-Type
+ * of 1..2^24, or it could be a TLV.
+ */
+ if (*p == '.') {
+ attr = strtol(p + 1, &q, 10);
+ if (attr == 0) {
+ fr_strerror_printf("Invalid attribute number");
+ return NULL;
+ }
+
+ if (*q) {
+ if (*q != '.') {
+ goto invalid;
+ }
+
+ if (dv_type != 1) {
+ goto invalid;
+ }
+ }
+
+ p = q;
+ }
+
+ /*
+ * Enforce a maximum value on the attribute number.
+ */
+ if (attr >= (unsigned) (1 << (dv_type << 3))) goto invalid;
+
+ if (*p == '.') {
+ if (dict_str2oid(p + 1, &attr, &vendor, 1) < 0) {
+ return NULL;
+ }
+ }
+
+ return dict_attrunknown(attr, vendor, vp_free);
+}
+
/*
* Get an attribute by its numerical value.
*/
-DICT_ATTR *dict_attrbyvalue(unsigned int attr, unsigned int vendor)
+const DICT_ATTR *dict_attrbyvalue(unsigned int attr, unsigned int vendor)
{
DICT_ATTR dattr;
return fr_hash_table_finddata(attributes_byvalue, &dattr);
}
+
+/**
+ * @brief Get an attribute by its numerical value. and data type
+ *
+ * Used only for COMBO_IP
+ *
+ * @return The attribute, or NULL if not found
+ */
+const DICT_ATTR *dict_attrbytype(unsigned int attr, unsigned int vendor,
+ PW_TYPE type)
+{
+ DICT_ATTR dattr;
+
+ dattr.attr = attr;
+ dattr.vendor = vendor;
+ dattr.type = type;
+
+ return fr_hash_table_finddata(attributes_combo, &dattr);
+}
+
+/**
+ * @brief Using a parent and attr/vendor, find a child attr/vendor
+ */
+int dict_attr_child(const DICT_ATTR *parent,
+ unsigned int *pattr, unsigned int *pvendor)
+{
+ unsigned int attr, vendor;
+ DICT_ATTR dattr;
+
+ if (!parent || !pattr || !pvendor) return FALSE;
+
+ attr = *pattr;
+ vendor = *pvendor;
+
+ /*
+ * Only some types can have children
+ */
+ switch (parent->type) {
+ default: return FALSE;
+
+ case PW_TYPE_VSA:
+ case PW_TYPE_TLV:
+ case PW_TYPE_EVS:
+ case PW_TYPE_EXTENDED:
+ case PW_TYPE_LONG_EXTENDED:
+ break;
+ }
+
+ if ((vendor == 0) && (parent->vendor != 0)) return FALSE;
+
+ /*
+ * Bootstrap by starting off with the parents values.
+ */
+ dattr.attr = parent->attr;
+ dattr.vendor = parent->vendor;
+
+ /*
+ * Do various butchery to insert the "attr" value.
+ *
+ * 00VID 000000AA normal VSA for vendor VID
+ * 00VID DDCCBBAA normal VSAs with TLVs
+ * EE000 000000AA extended attr (241.1)
+ * EE000 DDCCBBAA extended attr with TLVs
+ * EEVID 000000AA EVS with vendor VID, attr AAA
+ * EEVID DDCCBBAA EVS with TLVs
+ */
+ if (!dattr.vendor) {
+ dattr.vendor = parent->attr * FR_MAX_VENDOR;
+ dattr.vendor |= vendor;
+ dattr.attr = attr;
+
+ } else {
+ int i;
+
+ /*
+ * Trying to nest too deep. It's an error
+ */
+ if (parent->attr & (fr_attr_mask[MAX_TLV_NEST] << fr_attr_shift[MAX_TLV_NEST])) {
+ return FALSE;
+ }
+
+ for (i = MAX_TLV_NEST - 1; i >= 0; i--) {
+ if ((parent->attr & (fr_attr_mask[i] << fr_attr_shift[i]))) {
+ dattr.attr |= (attr & fr_attr_mask[i + 1]) << fr_attr_shift[i + 1];
+ goto find;
+ }
+ }
+
+ return FALSE;
+ }
+
+find:
+#if 0
+ fprintf(stderr, "LOOKING FOR %08x %08x + %08x %08x --> %08x %08x\n",
+ parent->vendor, parent->attr, attr, vendor,
+ dattr.vendor, dattr.attr);
+#endif
+
+ *pattr = dattr.attr;
+ *pvendor = dattr.vendor;
+ return TRUE;
+}
+
+/*
+ * Get an attribute by it's numerical value, and the parent
+ */
+const DICT_ATTR *dict_attrbyparent(const DICT_ATTR *parent,
+ unsigned int attr, unsigned int vendor)
+{
+ unsigned int my_attr, my_vendor;
+ DICT_ATTR dattr;
+
+ my_attr = attr;
+ my_vendor = vendor;
+
+ if (!dict_attr_child(parent, &my_attr, &my_vendor)) return NULL;
+
+ dattr.attr = my_attr;
+ dattr.vendor = my_vendor;
+
+ return fr_hash_table_finddata(attributes_byvalue, &dattr);
+}
+
+
/*
* Get an attribute by its name.
*/
-DICT_ATTR *dict_attrbyname(const char *name)
+const DICT_ATTR *dict_attrbyname(const char *name)
{
DICT_ATTR *da;
uint32_t buffer[(sizeof(*da) + DICT_ATTR_MAX_NAME_LEN + 3)/4];
projects / freeradius.git / blobdiff