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freebsd/usr.sbin/ctld/uclparse.c
Richard Scheffenegger ea8f1280a2 Add network QoS support for PCP to iscsi target. 
Mak the Ethernet PCP codepoint configurable
for L2 local traffic, to allow lower latency for
iSCSI block IO. This addresses the target
side only.

Reviewed by:	mav, trasz, bcr
Sponsored by:	NetApp, Inc.
Differential Revision:	https://reviews.freebsd.org/D26740
2020-10-24 21:10:53 +00:00

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/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2015 iXsystems Inc.
* All rights reserved.
*
* This software was developed by Jakub Klama <jceel@FreeBSD.org>
* under sponsorship from iXsystems Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#include <sys/queue.h>
#include <sys/types.h>
#include <assert.h>
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <ucl.h>
#include <netinet/in.h>
#include <netinet/ip.h>
#include "ctld.h"
static struct conf *conf = NULL;
static int uclparse_toplevel(const ucl_object_t *);
static int uclparse_chap(struct auth_group *, const ucl_object_t *);
static int uclparse_chap_mutual(struct auth_group *, const ucl_object_t *);
static int uclparse_lun(const char *, const ucl_object_t *);
static int uclparse_auth_group(const char *, const ucl_object_t *);
static int uclparse_portal_group(const char *, const ucl_object_t *);
static int uclparse_target(const char *, const ucl_object_t *);
static int uclparse_target_portal_group(struct target *, const ucl_object_t *);
static int uclparse_target_lun(struct target *, const ucl_object_t *);
static int
uclparse_chap(struct auth_group *auth_group, const ucl_object_t *obj)
{
const struct auth *ca;
const ucl_object_t *user, *secret;
user = ucl_object_find_key(obj, "user");
if (!user || user->type != UCL_STRING) {
log_warnx("chap section in auth-group \"%s\" is missing "
"\"user\" string key", auth_group->ag_name);
return (1);
}
secret = ucl_object_find_key(obj, "secret");
if (!secret || secret->type != UCL_STRING) {
log_warnx("chap section in auth-group \"%s\" is missing "
"\"secret\" string key", auth_group->ag_name);
}
ca = auth_new_chap(auth_group,
ucl_object_tostring(user),
ucl_object_tostring(secret));
if (ca == NULL)
return (1);
return (0);
}
static int
uclparse_chap_mutual(struct auth_group *auth_group, const ucl_object_t *obj)
{
const struct auth *ca;
const ucl_object_t *user, *secret, *mutual_user;
const ucl_object_t *mutual_secret;
user = ucl_object_find_key(obj, "user");
if (!user || user->type != UCL_STRING) {
log_warnx("chap-mutual section in auth-group \"%s\" is missing "
"\"user\" string key", auth_group->ag_name);
return (1);
}
secret = ucl_object_find_key(obj, "secret");
if (!secret || secret->type != UCL_STRING) {
log_warnx("chap-mutual section in auth-group \"%s\" is missing "
"\"secret\" string key", auth_group->ag_name);
return (1);
}
mutual_user = ucl_object_find_key(obj, "mutual-user");
if (!user || user->type != UCL_STRING) {
log_warnx("chap-mutual section in auth-group \"%s\" is missing "
"\"mutual-user\" string key", auth_group->ag_name);
return (1);
}
mutual_secret = ucl_object_find_key(obj, "mutual-secret");
if (!secret || secret->type != UCL_STRING) {
log_warnx("chap-mutual section in auth-group \"%s\" is missing "
"\"mutual-secret\" string key", auth_group->ag_name);
return (1);
}
ca = auth_new_chap_mutual(auth_group,
ucl_object_tostring(user),
ucl_object_tostring(secret),
ucl_object_tostring(mutual_user),
ucl_object_tostring(mutual_secret));
if (ca == NULL)
return (1);
return (0);
}
static int
uclparse_target_portal_group(struct target *target, const ucl_object_t *obj)
{
struct portal_group *tpg;
struct auth_group *tag = NULL;
struct port *tp;
const ucl_object_t *portal_group, *auth_group;
portal_group = ucl_object_find_key(obj, "name");
if (!portal_group || portal_group->type != UCL_STRING) {
log_warnx("portal-group section in target \"%s\" is missing "
"\"name\" string key", target->t_name);
return (1);
}
auth_group = ucl_object_find_key(obj, "auth-group-name");
if (auth_group && auth_group->type != UCL_STRING) {
log_warnx("portal-group section in target \"%s\" is missing "
"\"auth-group-name\" string key", target->t_name);
return (1);
}
tpg = portal_group_find(conf, ucl_object_tostring(portal_group));
if (tpg == NULL) {
log_warnx("unknown portal-group \"%s\" for target "
"\"%s\"", ucl_object_tostring(portal_group), target->t_name);
return (1);
}
if (auth_group) {
tag = auth_group_find(conf, ucl_object_tostring(auth_group));
if (tag == NULL) {
log_warnx("unknown auth-group \"%s\" for target "
"\"%s\"", ucl_object_tostring(auth_group),
target->t_name);
return (1);
}
}
tp = port_new(conf, target, tpg);
if (tp == NULL) {
log_warnx("can't link portal-group \"%s\" to target "
"\"%s\"", ucl_object_tostring(portal_group), target->t_name);
return (1);
}
tp->p_auth_group = tag;
return (0);
}
static int
uclparse_target_lun(struct target *target, const ucl_object_t *obj)
{
struct lun *lun;
uint64_t tmp;
if (obj->type == UCL_INT) {
char *name;
tmp = ucl_object_toint(obj);
if (tmp >= MAX_LUNS) {
log_warnx("LU number %ju in target \"%s\" is too big",
tmp, target->t_name);
return (1);
}
asprintf(&name, "%s,lun,%ju", target->t_name, tmp);
lun = lun_new(conf, name);
if (lun == NULL)
return (1);
lun_set_scsiname(lun, name);
target->t_luns[tmp] = lun;
return (0);
}
if (obj->type == UCL_OBJECT) {
const ucl_object_t *num = ucl_object_find_key(obj, "number");
const ucl_object_t *name = ucl_object_find_key(obj, "name");
if (num == NULL || num->type != UCL_INT) {
log_warnx("lun section in target \"%s\" is missing "
"\"number\" integer property", target->t_name);
return (1);
}
tmp = ucl_object_toint(num);
if (tmp >= MAX_LUNS) {
log_warnx("LU number %ju in target \"%s\" is too big",
tmp, target->t_name);
return (1);
}
if (name == NULL || name->type != UCL_STRING) {
log_warnx("lun section in target \"%s\" is missing "
"\"name\" string property", target->t_name);
return (1);
}
lun = lun_find(conf, ucl_object_tostring(name));
if (lun == NULL)
return (1);
target->t_luns[tmp] = lun;
}
return (0);
}
static int
uclparse_toplevel(const ucl_object_t *top)
{
ucl_object_iter_t it = NULL, iter = NULL;
const ucl_object_t *obj = NULL, *child = NULL;
int err = 0;
/* Pass 1 - everything except targets */
while ((obj = ucl_iterate_object(top, &it, true))) {
const char *key = ucl_object_key(obj);
if (!strcmp(key, "debug")) {
if (obj->type == UCL_INT)
conf->conf_debug = ucl_object_toint(obj);
else {
log_warnx("\"debug\" property value is not integer");
return (1);
}
}
if (!strcmp(key, "timeout")) {
if (obj->type == UCL_INT)
conf->conf_timeout = ucl_object_toint(obj);
else {
log_warnx("\"timeout\" property value is not integer");
return (1);
}
}
if (!strcmp(key, "maxproc")) {
if (obj->type == UCL_INT)
conf->conf_maxproc = ucl_object_toint(obj);
else {
log_warnx("\"maxproc\" property value is not integer");
return (1);
}
}
if (!strcmp(key, "pidfile")) {
if (obj->type == UCL_STRING)
conf->conf_pidfile_path = strdup(
ucl_object_tostring(obj));
else {
log_warnx("\"pidfile\" property value is not string");
return (1);
}
}
if (!strcmp(key, "isns-server")) {
if (obj->type == UCL_ARRAY) {
iter = NULL;
while ((child = ucl_iterate_object(obj, &iter,
true))) {
if (child->type != UCL_STRING)
return (1);
err = isns_new(conf,
ucl_object_tostring(child));
if (err != 0) {
return (1);
}
}
} else {
log_warnx("\"isns-server\" property value is "
"not an array");
return (1);
}
}
if (!strcmp(key, "isns-period")) {
if (obj->type == UCL_INT)
conf->conf_timeout = ucl_object_toint(obj);
else {
log_warnx("\"isns-period\" property value is not integer");
return (1);
}
}
if (!strcmp(key, "isns-timeout")) {
if (obj->type == UCL_INT)
conf->conf_timeout = ucl_object_toint(obj);
else {
log_warnx("\"isns-timeout\" property value is not integer");
return (1);
}
}
if (!strcmp(key, "auth-group")) {
if (obj->type == UCL_OBJECT) {
iter = NULL;
while ((child = ucl_iterate_object(obj, &iter, true))) {
uclparse_auth_group(ucl_object_key(child), child);
}
} else {
log_warnx("\"auth-group\" section is not an object");
return (1);
}
}
if (!strcmp(key, "portal-group")) {
if (obj->type == UCL_OBJECT) {
iter = NULL;
while ((child = ucl_iterate_object(obj, &iter, true))) {
uclparse_portal_group(ucl_object_key(child), child);
}
} else {
log_warnx("\"portal-group\" section is not an object");
return (1);
}
}
if (!strcmp(key, "lun")) {
if (obj->type == UCL_OBJECT) {
iter = NULL;
while ((child = ucl_iterate_object(obj, &iter, true))) {
uclparse_lun(ucl_object_key(child), child);
}
} else {
log_warnx("\"lun\" section is not an object");
return (1);
}
}
}
/* Pass 2 - targets */
it = NULL;
while ((obj = ucl_iterate_object(top, &it, true))) {
const char *key = ucl_object_key(obj);
if (!strcmp(key, "target")) {
if (obj->type == UCL_OBJECT) {
iter = NULL;
while ((child = ucl_iterate_object(obj, &iter,
true))) {
uclparse_target(ucl_object_key(child),
child);
}
} else {
log_warnx("\"target\" section is not an object");
return (1);
}
}
}
return (0);
}
static int
uclparse_auth_group(const char *name, const ucl_object_t *top)
{
struct auth_group *auth_group;
const struct auth_name *an;
const struct auth_portal *ap;
ucl_object_iter_t it = NULL, it2 = NULL;
const ucl_object_t *obj = NULL, *tmp = NULL;
const char *key;
int err;
if (!strcmp(name, "default") &&
conf->conf_default_ag_defined == false) {
auth_group = auth_group_find(conf, name);
conf->conf_default_ag_defined = true;
} else {
auth_group = auth_group_new(conf, name);
}
if (auth_group == NULL)
return (1);
while ((obj = ucl_iterate_object(top, &it, true))) {
key = ucl_object_key(obj);
if (!strcmp(key, "auth-type")) {
const char *value = ucl_object_tostring(obj);
err = auth_group_set_type(auth_group, value);
if (err)
return (1);
}
if (!strcmp(key, "chap")) {
if (obj->type != UCL_ARRAY) {
log_warnx("\"chap\" property of "
"auth-group \"%s\" is not an array",
name);
return (1);
}
it2 = NULL;
while ((tmp = ucl_iterate_object(obj, &it2, true))) {
if (uclparse_chap(auth_group, tmp) != 0)
return (1);
}
}
if (!strcmp(key, "chap-mutual")) {
if (obj->type != UCL_ARRAY) {
log_warnx("\"chap-mutual\" property of "
"auth-group \"%s\" is not an array",
name);
return (1);
}
it2 = NULL;
while ((tmp = ucl_iterate_object(obj, &it2, true))) {
if (uclparse_chap_mutual(auth_group, tmp) != 0)
return (1);
}
}
if (!strcmp(key, "initiator-name")) {
if (obj->type != UCL_ARRAY) {
log_warnx("\"initiator-name\" property of "
"auth-group \"%s\" is not an array",
name);
return (1);
}
it2 = NULL;
while ((tmp = ucl_iterate_object(obj, &it2, true))) {
const char *value = ucl_object_tostring(tmp);
an = auth_name_new(auth_group, value);
if (an == NULL)
return (1);
}
}
if (!strcmp(key, "initiator-portal")) {
if (obj->type != UCL_ARRAY) {
log_warnx("\"initiator-portal\" property of "
"auth-group \"%s\" is not an array",
name);
return (1);
}
it2 = NULL;
while ((tmp = ucl_iterate_object(obj, &it2, true))) {
const char *value = ucl_object_tostring(tmp);
ap = auth_portal_new(auth_group, value);
if (ap == NULL)
return (1);
}
}
}
return (0);
}
static int
uclparse_portal_group(const char *name, const ucl_object_t *top)
{
struct portal_group *portal_group;
ucl_object_iter_t it = NULL, it2 = NULL;
const ucl_object_t *obj = NULL, *tmp = NULL;
const char *key;
if (strcmp(name, "default") == 0 &&
conf->conf_default_pg_defined == false) {
portal_group = portal_group_find(conf, name);
conf->conf_default_pg_defined = true;
} else {
portal_group = portal_group_new(conf, name);
}
if (portal_group == NULL)
return (1);
while ((obj = ucl_iterate_object(top, &it, true))) {
key = ucl_object_key(obj);
if (!strcmp(key, "discovery-auth-group")) {
portal_group->pg_discovery_auth_group =
auth_group_find(conf, ucl_object_tostring(obj));
if (portal_group->pg_discovery_auth_group == NULL) {
log_warnx("unknown discovery-auth-group \"%s\" "
"for portal-group \"%s\"",
ucl_object_tostring(obj),
portal_group->pg_name);
return (1);
}
}
if (!strcmp(key, "discovery-filter")) {
if (obj->type != UCL_STRING) {
log_warnx("\"discovery-filter\" property of "
"portal-group \"%s\" is not a string",
portal_group->pg_name);
return (1);
}
if (portal_group_set_filter(portal_group,
ucl_object_tostring(obj)) != 0)
return (1);
}
if (!strcmp(key, "listen")) {
if (obj->type == UCL_STRING) {
if (portal_group_add_listen(portal_group,
ucl_object_tostring(obj), false) != 0)
return (1);
} else if (obj->type == UCL_ARRAY) {
while ((tmp = ucl_iterate_object(obj, &it2,
true))) {
if (portal_group_add_listen(
portal_group,
ucl_object_tostring(tmp),
false) != 0)
return (1);
}
} else {
log_warnx("\"listen\" property of "
"portal-group \"%s\" is not a string",
portal_group->pg_name);
return (1);
}
}
if (!strcmp(key, "listen-iser")) {
if (obj->type == UCL_STRING) {
if (portal_group_add_listen(portal_group,
ucl_object_tostring(obj), true) != 0)
return (1);
} else if (obj->type == UCL_ARRAY) {
while ((tmp = ucl_iterate_object(obj, &it2,
true))) {
if (portal_group_add_listen(
portal_group,
ucl_object_tostring(tmp),
true) != 0)
return (1);
}
} else {
log_warnx("\"listen\" property of "
"portal-group \"%s\" is not a string",
portal_group->pg_name);
return (1);
}
}
if (!strcmp(key, "redirect")) {
if (obj->type != UCL_STRING) {
log_warnx("\"listen\" property of "
"portal-group \"%s\" is not a string",
portal_group->pg_name);
return (1);
}
if (portal_group_set_redirection(portal_group,
ucl_object_tostring(obj)) != 0)
return (1);
}
if (!strcmp(key, "options")) {
if (obj->type != UCL_OBJECT) {
log_warnx("\"options\" property of portal group "
"\"%s\" is not an object", portal_group->pg_name);
return (1);
}
while ((tmp = ucl_iterate_object(obj, &it2,
true))) {
option_new(&portal_group->pg_options,
ucl_object_key(tmp),
ucl_object_tostring_forced(tmp));
}
}
if (!strcmp(key, "dscp")) {
if ((obj->type != UCL_STRING) && (obj->type != UCL_INT)) {
log_warnx("\"dscp\" property of portal group "
"\"%s\" is not a string or integer", portal_group->pg_name);
return(1);
}
if (obj->type == UCL_INT)
portal_group->pg_dscp = ucl_object_toint(obj);
else {
key = ucl_object_tostring(obj);
if (strcmp(key, "0x") == 0)
portal_group->pg_dscp = strtol(key + 2, NULL, 16);
else if (strcmp(key, "be") || strcmp(key, "cs0"))
portal_group->pg_dscp = IPTOS_DSCP_CS0 >> 2;
else if (strcmp(key, "ef"))
portal_group->pg_dscp = IPTOS_DSCP_EF >> 2;
else if (strcmp(key, "cs0"))
portal_group->pg_dscp = IPTOS_DSCP_CS0 >> 2;
else if (strcmp(key, "cs1"))
portal_group->pg_dscp = IPTOS_DSCP_CS1 >> 2;
else if (strcmp(key, "cs2"))
portal_group->pg_dscp = IPTOS_DSCP_CS2 >> 2;
else if (strcmp(key, "cs3"))
portal_group->pg_dscp = IPTOS_DSCP_CS3 >> 2;
else if (strcmp(key, "cs4"))
portal_group->pg_dscp = IPTOS_DSCP_CS4 >> 2;
else if (strcmp(key, "cs5"))
portal_group->pg_dscp = IPTOS_DSCP_CS5 >> 2;
else if (strcmp(key, "cs6"))
portal_group->pg_dscp = IPTOS_DSCP_CS6 >> 2;
else if (strcmp(key, "cs7"))
portal_group->pg_dscp = IPTOS_DSCP_CS7 >> 2;
else if (strcmp(key, "af11"))
portal_group->pg_dscp = IPTOS_DSCP_AF11 >> 2;
else if (strcmp(key, "af12"))
portal_group->pg_dscp = IPTOS_DSCP_AF12 >> 2;
else if (strcmp(key, "af13"))
portal_group->pg_dscp = IPTOS_DSCP_AF13 >> 2;
else if (strcmp(key, "af21"))
portal_group->pg_dscp = IPTOS_DSCP_AF21 >> 2;
else if (strcmp(key, "af22"))
portal_group->pg_dscp = IPTOS_DSCP_AF22 >> 2;
else if (strcmp(key, "af23"))
portal_group->pg_dscp = IPTOS_DSCP_AF23 >> 2;
else if (strcmp(key, "af31"))
portal_group->pg_dscp = IPTOS_DSCP_AF31 >> 2;
else if (strcmp(key, "af32"))
portal_group->pg_dscp = IPTOS_DSCP_AF32 >> 2;
else if (strcmp(key, "af33"))
portal_group->pg_dscp = IPTOS_DSCP_AF33 >> 2;
else if (strcmp(key, "af41"))
portal_group->pg_dscp = IPTOS_DSCP_AF41 >> 2;
else if (strcmp(key, "af42"))
portal_group->pg_dscp = IPTOS_DSCP_AF42 >> 2;
else if (strcmp(key, "af43"))
portal_group->pg_dscp = IPTOS_DSCP_AF43 >> 2;
else {
log_warnx("\"dscp\" property value is not a supported textual value");
return (1);
}
}
}
if (!strcmp(key, "pcp")) {
if (obj->type != UCL_INT) {
log_warnx("\"pcp\" property of portal group "
"\"%s\" is not an integer", portal_group->pg_name);
return(1);
}
portal_group->pg_pcp = ucl_object_toint(obj);
if (!((portal_group->pg_pcp >= 0) && (portal_group->pg_pcp <= 7))) {
log_warnx("invalid \"pcp\" value %d, using default", portal_group->pg_pcp);
portal_group->pg_pcp = -1;
}
}
}
return (0);
}
static int
uclparse_target(const char *name, const ucl_object_t *top)
{
struct target *target;
ucl_object_iter_t it = NULL, it2 = NULL;
const ucl_object_t *obj = NULL, *tmp = NULL;
const char *key;
target = target_new(conf, name);
if (target == NULL)
return (1);
while ((obj = ucl_iterate_object(top, &it, true))) {
key = ucl_object_key(obj);
if (!strcmp(key, "alias")) {
if (obj->type != UCL_STRING) {
log_warnx("\"alias\" property of target "
"\"%s\" is not a string", target->t_name);
return (1);
}
target->t_alias = strdup(ucl_object_tostring(obj));
}
if (!strcmp(key, "auth-group")) {
if (target->t_auth_group != NULL) {
if (target->t_auth_group->ag_name != NULL)
log_warnx("auth-group for target \"%s\" "
"specified more than once",
target->t_name);
else
log_warnx("cannot use both auth-group "
"and explicit authorisations for "
"target \"%s\"", target->t_name);
return (1);
}
target->t_auth_group = auth_group_find(conf,
ucl_object_tostring(obj));
if (target->t_auth_group == NULL) {
log_warnx("unknown auth-group \"%s\" for target "
"\"%s\"", ucl_object_tostring(obj),
target->t_name);
return (1);
}
}
if (!strcmp(key, "auth-type")) {
int error;
if (target->t_auth_group != NULL) {
if (target->t_auth_group->ag_name != NULL) {
log_warnx("cannot use both auth-group and "
"auth-type for target \"%s\"",
target->t_name);
return (1);
}
} else {
target->t_auth_group = auth_group_new(conf, NULL);
if (target->t_auth_group == NULL)
return (1);
target->t_auth_group->ag_target = target;
}
error = auth_group_set_type(target->t_auth_group,
ucl_object_tostring(obj));
if (error != 0)
return (1);
}
if (!strcmp(key, "chap")) {
if (uclparse_chap(target->t_auth_group, obj) != 0)
return (1);
}
if (!strcmp(key, "chap-mutual")) {
if (uclparse_chap_mutual(target->t_auth_group, obj) != 0)
return (1);
}
if (!strcmp(key, "initiator-name")) {
const struct auth_name *an;
if (target->t_auth_group != NULL) {
if (target->t_auth_group->ag_name != NULL) {
log_warnx("cannot use both auth-group and "
"initiator-name for target \"%s\"",
target->t_name);
return (1);
}
} else {
target->t_auth_group = auth_group_new(conf, NULL);
if (target->t_auth_group == NULL)
return (1);
target->t_auth_group->ag_target = target;
}
an = auth_name_new(target->t_auth_group,
ucl_object_tostring(obj));
if (an == NULL)
return (1);
}
if (!strcmp(key, "initiator-portal")) {
const struct auth_portal *ap;
if (target->t_auth_group != NULL) {
if (target->t_auth_group->ag_name != NULL) {
log_warnx("cannot use both auth-group and "
"initiator-portal for target \"%s\"",
target->t_name);
return (1);
}
} else {
target->t_auth_group = auth_group_new(conf, NULL);
if (target->t_auth_group == NULL)
return (1);
target->t_auth_group->ag_target = target;
}
ap = auth_portal_new(target->t_auth_group,
ucl_object_tostring(obj));
if (ap == NULL)
return (1);
}
if (!strcmp(key, "portal-group")) {
if (obj->type == UCL_OBJECT) {
if (uclparse_target_portal_group(target, obj) != 0)
return (1);
}
if (obj->type == UCL_ARRAY) {
while ((tmp = ucl_iterate_object(obj, &it2,
true))) {
if (uclparse_target_portal_group(target,
tmp) != 0)
return (1);
}
}
}
if (!strcmp(key, "port")) {
struct pport *pp;
struct port *tp;
const char *value = ucl_object_tostring(obj);
int ret, i_pp, i_vp = 0;
ret = sscanf(value, "ioctl/%d/%d", &i_pp, &i_vp);
if (ret > 0) {
tp = port_new_ioctl(conf, target, i_pp, i_vp);
if (tp == NULL) {
log_warnx("can't create new ioctl port "
"for target \"%s\"", target->t_name);
return (1);
}
return (0);
}
pp = pport_find(conf, value);
if (pp == NULL) {
log_warnx("unknown port \"%s\" for target \"%s\"",
value, target->t_name);
return (1);
}
if (!TAILQ_EMPTY(&pp->pp_ports)) {
log_warnx("can't link port \"%s\" to target \"%s\", "
"port already linked to some target",
value, target->t_name);
return (1);
}
tp = port_new_pp(conf, target, pp);
if (tp == NULL) {
log_warnx("can't link port \"%s\" to target \"%s\"",
value, target->t_name);
return (1);
}
}
if (!strcmp(key, "redirect")) {
if (obj->type != UCL_STRING) {
log_warnx("\"redirect\" property of target "
"\"%s\" is not a string", target->t_name);
return (1);
}
if (target_set_redirection(target,
ucl_object_tostring(obj)) != 0)
return (1);
}
if (!strcmp(key, "lun")) {
while ((tmp = ucl_iterate_object(obj, &it2, true))) {
if (uclparse_target_lun(target, tmp) != 0)
return (1);
}
}
}
return (0);
}
static int
uclparse_lun(const char *name, const ucl_object_t *top)
{
struct lun *lun;
ucl_object_iter_t it = NULL, child_it = NULL;
const ucl_object_t *obj = NULL, *child = NULL;
const char *key;
lun = lun_new(conf, name);
if (lun == NULL)
return (1);
while ((obj = ucl_iterate_object(top, &it, true))) {
key = ucl_object_key(obj);
if (!strcmp(key, "backend")) {
if (obj->type != UCL_STRING) {
log_warnx("\"backend\" property of lun "
"\"%s\" is not a string",
lun->l_name);
return (1);
}
lun_set_backend(lun, ucl_object_tostring(obj));
}
if (!strcmp(key, "blocksize")) {
if (obj->type != UCL_INT) {
log_warnx("\"blocksize\" property of lun "
"\"%s\" is not an integer", lun->l_name);
return (1);
}
lun_set_blocksize(lun, ucl_object_toint(obj));
}
if (!strcmp(key, "device-id")) {
if (obj->type != UCL_STRING) {
log_warnx("\"device-id\" property of lun "
"\"%s\" is not an integer", lun->l_name);
return (1);
}
lun_set_device_id(lun, ucl_object_tostring(obj));
}
if (!strcmp(key, "options")) {
if (obj->type != UCL_OBJECT) {
log_warnx("\"options\" property of lun "
"\"%s\" is not an object", lun->l_name);
return (1);
}
while ((child = ucl_iterate_object(obj, &child_it,
true))) {
option_new(&lun->l_options,
ucl_object_key(child),
ucl_object_tostring_forced(child));
}
}
if (!strcmp(key, "path")) {
if (obj->type != UCL_STRING) {
log_warnx("\"path\" property of lun "
"\"%s\" is not a string", lun->l_name);
return (1);
}
lun_set_path(lun, ucl_object_tostring(obj));
}
if (!strcmp(key, "serial")) {
if (obj->type != UCL_STRING) {
log_warnx("\"serial\" property of lun "
"\"%s\" is not a string", lun->l_name);
return (1);
}
lun_set_serial(lun, ucl_object_tostring(obj));
}
if (!strcmp(key, "size")) {
if (obj->type != UCL_INT) {
log_warnx("\"size\" property of lun "
"\"%s\" is not an integer", lun->l_name);
return (1);
}
lun_set_size(lun, ucl_object_toint(obj));
}
}
return (0);
}
int
uclparse_conf(struct conf *newconf, const char *path)
{
struct ucl_parser *parser;
ucl_object_t *top;
int error;
conf = newconf;
parser = ucl_parser_new(0);
if (!ucl_parser_add_file(parser, path)) {
log_warn("unable to parse configuration file %s: %s", path,
ucl_parser_get_error(parser));
ucl_parser_free(parser);
return (1);
}
top = ucl_parser_get_object(parser);
error = uclparse_toplevel(top);
ucl_object_unref(top);
ucl_parser_free(parser);
return (error);
}
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