static isc_result_t
set_nextqname(struct probe_trans *trans) {
isc_result_t result;
size_t domainlen;
isc_buffer_t b;
char buf[4096]; /* XXX ad-hoc constant, but should be enough */
if (*trans->qlabel == NULL)
return (ISC_R_NOMORE);
result = isc_string_copy(buf, sizeof(buf), *trans->qlabel);
if (result != ISC_R_SUCCESS)
return (result);
result = isc_string_append(buf, sizeof(buf), trans->domain);
if (result != ISC_R_SUCCESS)
return (result);
domainlen = strlen(buf);
isc_buffer_init(&b, buf, domainlen);
isc_buffer_add(&b, domainlen);
dns_fixedname_init(&trans->fixedname);
trans->qname = dns_fixedname_name(&trans->fixedname);
result = dns_name_fromtext(trans->qname, &b, dns_rootname,
0, NULL);
trans->qlabel++;
return (result);
}
/**
* Convert DNS rdata type to LDAP attribute name.
*
* @param[in] rdtype
* @param[out] target Output buffer with \0 terminated attribute name.
* @param[in] size Target size.
* @param[in] unknown ISC_TRUE = use generic syntax "UnknownRecord;TYPE65333",
* ISC_FALSE = use type-specific mnemonic like "ARecord"
*/
isc_result_t
rdatatype_to_ldap_attribute(dns_rdatatype_t rdtype, char *target,
unsigned int size, isc_boolean_t unknown)
{
isc_result_t result;
char rdtype_str[DNS_RDATATYPE_FORMATSIZE];
if (unknown) {
/* "UnknownRecord;TYPE65333" */
CHECK(isc_string_copy(target, size,
LDAP_RDATATYPE_UNKNOWN_PREFIX));
snprintf(rdtype_str, sizeof(rdtype_str), "TYPE%u", rdtype);
CHECK(isc_string_append(target, size, rdtype_str));
} else {
/* "ARecord" */
dns_rdatatype_format(rdtype, rdtype_str, DNS_RDATATYPE_FORMATSIZE);
CHECK(isc_string_copy(target, size, rdtype_str));
CHECK(isc_string_append(target, size, LDAP_RDATATYPE_SUFFIX));
}
cleanup:
return result;
}
/**
* Set all values specified by vector of strings to setting set. Setting name
* is separated from it's argument with one or more characters defined by
* @link SETTING_NAME_SEPARATORS@endlink.
*
* @retval ISC_R_SUCCESS All strings in argument vector were processed and set.
* @retval Others Memory or parsing errors.
*
* @warning One string in argument vector is limited to
* @link SETTING_LINE_MAXLENGTH@endlink.
*
* @note
* @code{.txt}
* Calling settings_set_fill() with argument array
*
* {"setting1 value 1 ",
* "bind_dn cn=Directory manager" }
*
* will result in setting values to two separate settings:
*
* "setting1" = "value 1 "
* "bind_dn" = "cn=Directory manager"
*
* Please note the positions of white spaces.
* @endcode
*/
isc_result_t
settings_set_fill(settings_set_t *set, const char *const *argv)
{
isc_result_t result;
int i;
const char *name;
char *value;
for (i = 0; argv[i] != NULL; i++) {
char buff[SETTING_LINE_MAXLENGTH] = "";
CHECK(isc_string_copy(buff, SETTING_LINE_MAXLENGTH, argv[i]));
value = buff;
name = isc_string_separate(&value, SETTING_NAME_SEPARATORS);
if (name == NULL || value == NULL)
CLEANUP_WITH(ISC_R_UNEXPECTEDEND);
value += strspn(value, SETTING_NAME_SEPARATORS);
if (setting_find(name, set, ISC_FALSE, ISC_TRUE, NULL)
!= ISC_R_NOTFOUND) {
log_error("multiple definitions of setting '%s' in "
"set of settings '%s'", name, set->name);
CLEANUP_WITH(ISC_R_EXISTS);
}
result = setting_set(name, set, value);
if (result != ISC_R_SUCCESS && result != ISC_R_IGNORE)
goto cleanup;
}
return ISC_R_SUCCESS;
cleanup:
log_error_r("cannot parse settings from '%s': "
"problematic configuration line:"
"\n%s\n"
"error code", set->name, argv[i]);
/* TODO: Free memory in case of error. */
return result;
}
/**
* Convert and copy value to setting structure.
*
* @retval ISC_R_SUCCESS New value was converted and copied.
* @retval ISC_R_IGNORE New and old values are same, no change was made.
* @retval ISC_R_NOMEMORY
* @retval ISC_R_UNEXPECTEDEND
* @retval ISC_R_UNEXPECTEDTOKEN
* @retval others Other errors from isc_parse_uint32().
*/
static isc_result_t ATTR_NONNULLS ATTR_CHECKRESULT
set_value(isc_mem_t *mctx, const settings_set_t *set, setting_t *setting,
const char *value)
{
isc_result_t result;
isc_uint32_t numeric_value;
isc_uint32_t len;
REQUIRE(setting != NULL);
REQUIRE(value != NULL);
REQUIRE(set != NULL);
/* catch attempts to modify built-in defaults */
REQUIRE(set->lock != NULL);
LOCK(set->lock);
/* Check and convert new values. */
switch (setting->type) {
case ST_STRING:
if (setting->filled &&
strcmp(setting->value.value_char, value) == 0)
CLEANUP_WITH(ISC_R_IGNORE);
break;
case ST_UNSIGNED_INTEGER:
if (*value == '\0')
CLEANUP_WITH(ISC_R_UNEXPECTEDEND);
result = isc_parse_uint32(&numeric_value, value, 10);
if (result != ISC_R_SUCCESS) {
log_error_r("setting '%s' has to be unsigned integer "
"(base 10)", setting->name);
goto cleanup;
}
if (setting->filled &&
setting->value.value_uint == numeric_value)
CLEANUP_WITH(ISC_R_IGNORE);
break;
case ST_BOOLEAN:
if (strcasecmp(value, "yes") == 0 ||
strcasecmp(value, "true") == 0)
numeric_value = 1;
else if (strcasecmp(value, "no") == 0 ||
strcasecmp(value, "false") == 0)
numeric_value = 0;
else {
log_error("unknown boolean expression "
"(setting '%s': value '%s')",
setting->name, value);
CLEANUP_WITH(ISC_R_UNEXPECTEDTOKEN);
}
if (setting->filled &&
setting->value.value_boolean == ISC_TF(numeric_value))
CLEANUP_WITH(ISC_R_IGNORE);
break;
default:
UNEXPECTED_ERROR(__FILE__, __LINE__,
"invalid setting_type_t value %u", setting->type);
break;
}
switch (setting->type) {
case ST_STRING:
len = strlen(value) + 1;
if (setting->is_dynamic)
isc_mem_free(mctx, setting->value.value_char);
CHECKED_MEM_ALLOCATE(mctx, setting->value.value_char, len);
setting->is_dynamic = ISC_TRUE;
CHECK(isc_string_copy(setting->value.value_char, len, value));
break;
case ST_UNSIGNED_INTEGER:
setting->value.value_uint = numeric_value;
break;
case ST_BOOLEAN:
setting->value.value_boolean = ISC_TF(numeric_value);
break;
default:
UNEXPECTED_ERROR(__FILE__, __LINE__,
"invalid setting_type_t value %u", setting->type);
break;
}
setting->filled = 1;
result = ISC_R_SUCCESS;
cleanup:
UNLOCK(set->lock);
return result;
}
