static char *
remove_initiator(tgt_node_t *x)
{
char *msg = NULL;
char *name;
tgt_node_t *node = NULL;
if (tgt_find_value_str(x, XML_ELEMENT_NAME, &name) == False) {
xml_rtn_msg(&msg, ERR_SYNTAX_MISSING_NAME);
return (msg);
}
while ((node = tgt_node_next(main_config, XML_ELEMENT_INIT, node)) !=
NULL) {
if (strcmp(node->x_value, name) == 0)
break;
}
free(name);
if (node == NULL) {
xml_rtn_msg(&msg, ERR_INIT_NOT_FOUND);
return (msg);
}
if (tgt_find_value_str(x, XML_ELEMENT_ALL, &name) == False) {
xml_rtn_msg(&msg, ERR_SYNTAX_MISSING_ALL);
return (msg);
}
(void) tgt_node_remove(main_config, node, MatchBoth);
if (mgmt_config_save2scf() == True)
xml_rtn_msg(&msg, ERR_SUCCESS);
return (msg);
}
/*
* []----
* | delete_element -- helper function to remove a node from a parent
* |
* | A False return value indicates a failure to allocate enough memory.
* []----
*/
static Boolean_t
delete_element(char *name, tgt_node_t *p, match_type_t m)
{
tgt_node_t *c;
if ((c = tgt_node_alloc(name, String, NULL)) == NULL) {
return (False);
}
tgt_node_remove(p, c, m);
tgt_node_free(c);
return (True);
}
/*
* remove_zfs -- unshare a ZVOL from the target
*/
static char *
remove_zfs(tgt_node_t *x, ucred_t *cred)
{
char *prop;
char *msg = NULL;
tgt_node_t *targ = NULL;
libzfs_handle_t *zh = NULL;
const priv_set_t *eset;
if (tgt_find_value_str(x, XML_ELEMENT_NAME, &prop) == False) {
xml_rtn_msg(&msg, ERR_SYNTAX_MISSING_NAME);
return (msg);
}
if ((zh = libzfs_init()) == NULL) {
xml_rtn_msg(&msg, ERR_INTERNAL_ERROR);
free(prop);
return (msg);
}
eset = ucred_getprivset(cred, PRIV_EFFECTIVE);
if (eset != NULL ? !priv_ismember(eset, PRIV_SYS_CONFIG) :
ucred_geteuid(cred) != 0) {
/*
* See if user has ZFS dataset permissions to do operation
*/
if (zfs_iscsi_perm_check(zh, prop, cred) != 0) {
xml_rtn_msg(&msg, ERR_NO_PERMISSION);
free(prop);
libzfs_fini(zh);
return (msg);
}
}
libzfs_fini(zh);
while ((targ = tgt_node_next(targets_config, XML_ELEMENT_TARG, targ))
!= NULL) {
if (strcmp(targ->x_value, prop) == 0)
break;
}
free(prop);
if (targ == NULL) {
/*
* We're unsharing a target. If we don't have a reference
* then there's no problem.
*/
xml_rtn_msg(&msg, ERR_SUCCESS);
return (msg);
}
if (tgt_find_value_str(targ, XML_ELEMENT_INAME, &prop) ==
False) {
xml_rtn_msg(&msg, ERR_TARGCFG_MISSING_INAME);
return (msg);
}
tgt_node_remove(targets_config, targ, MatchBoth);
/*
* Wait until here to issue a logout to any initiators that
* might be logged into the target. Certain initiators are
* sneaky in that if asked to logout they will, but turn right
* around and log back into the target. By waiting until here
* to issue the logout we'll have removed reference to the target
* such that this can't happen.
*/
if (isns_enabled() == True) {
if (isns_dereg(prop) != 0)
syslog(LOG_INFO, "ISNS dereg failed\n");
}
logout_targ(prop);
free(prop);
xml_rtn_msg(&msg, ERR_SUCCESS);
return (msg);
}
static char *
remove_tpgt(tgt_node_t *x)
{
char *msg = NULL;
char *prop = NULL;
tgt_node_t *node = NULL;
tgt_node_t *c = NULL;
Boolean_t change_made = False;
if (tgt_find_value_str(x, XML_ELEMENT_NAME, &prop) == False) {
xml_rtn_msg(&msg, ERR_SYNTAX_MISSING_NAME);
return (msg);
}
while ((node = tgt_node_next(main_config, XML_ELEMENT_TPGT, node)) !=
NULL) {
if (strcmp(node->x_value, prop) == 0)
break;
}
free(prop);
if (node == NULL) {
xml_rtn_msg(&msg, ERR_TPGT_NOT_FOUND);
return (msg);
}
if (tgt_find_value_str(x, XML_ELEMENT_IPADDR, &prop) == True) {
if (prop == NULL) {
xml_rtn_msg(&msg, ERR_SYNTAX_EMPTY_IPADDR);
return (msg);
}
c = tgt_node_alloc(XML_ELEMENT_IPADDR, String, prop);
if (tgt_node_remove(node, c, MatchBoth) == False) {
xml_rtn_msg(&msg, ERR_INVALID_IP);
goto error;
}
tgt_node_free(c);
free(prop);
change_made = True;
}
if ((change_made != True) &&
(tgt_find_value_str(x, XML_ELEMENT_ALL, &prop) == True)) {
tgt_node_remove(main_config, node, MatchBoth);
change_made = True;
}
if (change_made == True) {
/* Isns re-register all target */
if (isns_enabled() == True)
isns_reg_all();
if (mgmt_config_save2scf() == True)
xml_rtn_msg(&msg, ERR_SUCCESS);
} else {
xml_rtn_msg(&msg, ERR_SYNTAX_MISSING_OPERAND);
}
return (msg);
error:
if (c != NULL)
tgt_node_free(c);
if (prop != NULL)
free(prop);
return (msg);
}
static char *
remove_target(tgt_node_t *x)
{
char *msg = NULL;
char *prop = NULL;
tgt_node_t *targ = NULL;
tgt_node_t *list;
tgt_node_t *c = NULL;
Boolean_t change_made = False;
int lun_num;
if (tgt_find_value_str(x, XML_ELEMENT_NAME, &prop) == False) {
xml_rtn_msg(&msg, ERR_SYNTAX_MISSING_NAME);
return (msg);
}
while ((targ = tgt_node_next(targets_config, XML_ELEMENT_TARG, targ)) !=
NULL) {
if (strcmp(targ->x_value, prop) == 0)
break;
}
free(prop);
if (targ == NULL) {
xml_rtn_msg(&msg, ERR_TARG_NOT_FOUND);
return (msg);
}
if (tgt_find_value_str(x, XML_ELEMENT_ACL, &prop) == True) {
if (prop == NULL) {
xml_rtn_msg(&msg, ERR_SYNTAX_EMPTY_ACL);
return (msg);
}
if ((list = tgt_node_next(targ, XML_ELEMENT_ACLLIST, NULL)) ==
NULL) {
free(prop);
xml_rtn_msg(&msg, ERR_ACL_NOT_FOUND);
return (msg);
}
c = tgt_node_alloc(XML_ELEMENT_ACLINIT, String, prop);
if (tgt_node_remove(list, c, MatchBoth) == False) {
xml_rtn_msg(&msg, ERR_INIT_NOT_FOUND);
goto error;
}
tgt_node_free(c);
if (list->x_child == NULL)
(void) tgt_node_remove(targ, list, MatchName);
free(prop);
change_made = True;
}
if (tgt_find_value_str(x, XML_ELEMENT_TPGT, &prop) == True) {
if (prop == NULL) {
xml_rtn_msg(&msg, ERR_SYNTAX_EMPTY_TPGT);
return (msg);
}
if ((list = tgt_node_next(targ, XML_ELEMENT_TPGTLIST, NULL)) ==
NULL) {
free(prop);
xml_rtn_msg(&msg, ERR_ACL_NOT_FOUND);
return (msg);
}
c = tgt_node_alloc(XML_ELEMENT_TPGT, String, prop);
if (tgt_node_remove(list, c, MatchBoth) == False) {
xml_rtn_msg(&msg, ERR_TPGT_NOT_FOUND);
goto error;
}
tgt_node_free(c);
if (list->x_child == NULL)
(void) tgt_node_remove(targ, list, MatchName);
free(prop);
/* update isns */
if (isns_enabled()) {
if (isns_dev_update(targ->x_value, ISNS_MOD_TPGT) != 0)
syslog(LOG_ALERT, "ISNS register failed\n");
}
change_made = True;
}
if (tgt_find_value_int(x, XML_ELEMENT_LUN, &lun_num) == True) {
if (tgt_find_value_intchk(x, XML_ELEMENT_LUN, &lun_num) ==
False) {
xml_rtn_msg(&msg, ERR_LUN_INVALID_RANGE);
return (msg);
}
/*
* Save the iscsi-name which we'll need to remove LUNs.
*/
if (tgt_find_value_str(targ, XML_ELEMENT_INAME, &prop) ==
False) {
xml_rtn_msg(&msg, ERR_TARGCFG_MISSING_INAME);
return (msg);
}
logout_targ(prop);
thick_provo_stop(prop, lun_num);
remove_target_common(targ->x_value, lun_num, &msg);
if (msg != NULL)
goto error;
/* ISNS de-register target if it's the last lun */
if (lun_num == 0 && isns_enabled() == True) {
if (isns_dereg(prop) != 0)
syslog(LOG_INFO, "ISNS dereg failed\n");
}
iscsi_inventory_change(prop);
free(prop);
change_made = True;
}
if (change_made == True) {
if (mgmt_config_save2scf() == True)
xml_rtn_msg(&msg, ERR_SUCCESS);
} else {
xml_rtn_msg(&msg, ERR_SYNTAX_MISSING_OPERAND);
}
return (msg);
error:
if (c != NULL)
tgt_node_free(c);
if (prop != NULL)
free(prop);
return (msg);
}
