/*
* Process ESI requires a success response only
*/
static void
process_esi(int so, isns_pdu_t *esi)
{
isns_rsp_t *cmd;
int pl_len;
if (isns_create_pdu(ISNS_ESI_RSP, 0, (isns_pdu_t **)&cmd) != 0) {
return;
}
pl_len = esi->payload_len + ISNS_STATUS_SZ;
if (pl_len > MAX_PDU_PAYLOAD_SZ) {
syslog(LOG_ALERT, "process_esi: payload size exceeded");
isns_free_pdu(cmd);
return;
}
/* change the xid to the request xid */
cmd->xid = htons(esi->xid);
cmd->status = htonl(ISNS_RSP_SUCCESSFUL);
/* copy original data */
bcopy(esi->payload, cmd->data, esi->payload_len);
cmd->pdu_len = htons(pl_len);
if (isns_send(so, (isns_pdu_t *)cmd) < 0) {
syslog(LOG_ALERT, "process_esi failed to isns_send");
}
isns_free_pdu(cmd);
}
/*
* SCNDereg
*/
static int
isns_scn_dereg(int so, char *node)
{
isns_pdu_t *cmd = NULL;
isns_rsp_t *rsp = NULL;
uint32_t flags = 0;
int ret = -1;
queue_prt(mgmtq, Q_ISNS_DBG, "ISNS_SCN_DEREG");
if (isns_create_pdu(ISNS_SCN_DEREG, flags, &cmd) != 0) {
return (-1);
}
/* source attribute */
if (isns_append_attr(cmd, ISNS_ISCSI_NAME_ATTR_ID,
STRLEN(node), node, 0) == -1) {
goto error;
}
/* message key attribute */
/* iscsi initiator node name */
if (isns_append_attr(cmd, ISNS_ISCSI_NAME_ATTR_ID,
STRLEN(node), node, 0) != 0) {
goto error;
}
if (isns_append_attr(cmd, ISNS_DELIMITER_ATTR_ID, 0, NULL, 0) == -1) {
goto error;
}
if (isns_send(so, cmd) == -1) {
syslog(LOG_ERR, "isns_scn_reg fails isns_send");
goto error;
}
if (isns_recv(so, &rsp) == -1) {
syslog(LOG_ERR, "isns_scn_reg fails isns_recv ");
goto error;
}
/* process response */
if (process_rsp(cmd, rsp) == 0) {
ret = 0;
}
error:
if (cmd)
isns_free_pdu(cmd);
if (rsp)
isns_free_pdu(rsp);
return (ret);
}
void
isns_process_connection_loss(struct isns_config_s *cfg_p)
{
struct isns_trans_s *trans_p;
struct isns_pdu_s *pdu_p, *free_pdu_p;
DBG("isns_process_connection_loss: entered\n");
if (cfg_p->curtask_p != NULL) {
trans_p = cfg_p->curtask_p->var.send_pdu.trans_p;
if (trans_p->disconnect_cnt == ISNS_MAX_DISCONNECTS_PER_TRANS) {
isns_complete_trans(trans_p);
isns_end_task(cfg_p->curtask_p);
if (cfg_p->pdu_in_p != NULL) {
isns_free_pdu(cfg_p->pdu_in_p);
cfg_p->pdu_in_p = NULL;
}
} else {
trans_p->disconnect_cnt++;
if (trans_p->pdu_rsp_list != NULL) {
pdu_p = trans_p->pdu_rsp_list;
while (pdu_p != NULL) {
free_pdu_p = pdu_p;
pdu_p = pdu_p->next;
isns_free_pdu(free_pdu_p);
}
}
isns_taskq_insert_head(cfg_p, cfg_p->curtask_p);
cfg_p->curtask_p = NULL;
isns_issue_cmd(cfg_p, ISNS_CMD_PROCESS_TASKQ);
}
}
}
/*
* DevAttrDereg
*/
static int
isns_dev_attr_dereg(int so, char *node)
{
isns_pdu_t *cmd = NULL;
isns_rsp_t *rsp = NULL;
uint32_t flags = 0;
int ret = -1;
queue_prt(mgmtq, Q_ISNS_DBG, "ISNS_DEV_ATTR_DEREG");
if (isns_create_pdu(ISNS_DEV_DEREG, flags, &cmd) != 0) {
return (-1);
}
/* add source attribute */
if (isns_append_attr(cmd, ISNS_ISCSI_NAME_ATTR_ID,
STRLEN(node), node, 0) != 0) {
goto error;
}
/* add delimiter */
if (isns_append_attr(cmd, ISNS_DELIMITER_ATTR_ID, 0, NULL, 0) != 0) {
goto error;
}
/* add operation attributes */
if (isns_append_attr(cmd, ISNS_ISCSI_NAME_ATTR_ID,
STRLEN(node), node, 0) != 0) {
goto error;
}
/* send pdu */
if (isns_send(so, cmd) == -1) {
syslog(LOG_ERR, "isns_dev_attr_dereg fails isns_send");
goto error;
}
/* get isns response */
if (isns_recv(so, &rsp) == -1) {
syslog(LOG_ERR, "isns_dev_attr_dereg fails isns_recv ");
goto error;
}
/* process response */
if (process_rsp(cmd, rsp) == 0) {
/*
* Keep the num_reg to a non-negative number.
* num_reg is used to keep track of whether there was
* any registration occurred or not. Deregstration should
* be followed by registration but in case dereg occurs
* and somehow it is succeeded keeping num_reg to 0 prevent
* any negative effect on subsequent registration.
*/
if (num_reg > 0) num_reg--;
ret = 0;
}
error:
/* Free all resouces here */
if (cmd)
isns_free_pdu(cmd);
if (rsp)
isns_free_pdu(rsp);
return (ret);
}
/*
* esi_scn_thr() is the thread creates an end point to receive and process
* ESI & SCN messages. This thread is created when isns_access is enabled
* and for the duration of the iscsi daemon
*/
static void *
esi_scn_thr(void *arg)
{
struct sockaddr sa, *ai;
struct sockaddr_in sin;
struct sockaddr_in6 sin6;
int so, fd, pf;
socklen_t len;
char strport[NI_MAXSERV];
isns_pdu_t *scn = NULL;
struct timeval timeout;
fd_set fdset;
int socket_ready = 0;
pf = get_addr_family(isns_args.entity);
if (pf == PF_INET) {
bzero(&sin, sizeof (sin));
sin.sin_family = PF_INET;
sin.sin_port = htons(0);
sin.sin_addr.s_addr = INADDR_ANY;
ai = (struct sockaddr *)&sin;
len = sizeof (sin);
} else if (pf == PF_INET6) {
bzero(&sin6, sizeof (sin6));
sin6.sin6_family = PF_INET6;
sin6.sin6_port = htons(0);
sin6.sin6_addr = in6addr_any;
ai = (struct sockaddr *)&sin6;
len = sizeof (sin6);
} else {
syslog(LOG_ERR, "Bad address family. Exit esi_scn_thr");
return (NULL);
}
/*
* create and bind SCN socket
* save the scn port info
*/
if ((so = socket(pf, SOCK_STREAM, 0)) == -1) {
syslog(LOG_ALERT, "create isns socket failed");
return (NULL);
}
(void) setsockopt(so, SOL_SOCKET, SO_REUSEADDR, 0, 0);
if (bind(so, ai, len) < 0) {
syslog(LOG_ALERT, "esi_scn_thr: bind failed");
(void) close(so);
return (NULL);
}
/* get scn port info */
len = sizeof (sa);
if (getsockname(so, &sa, &len) < 0) {
syslog(LOG_ALERT, "isns getsockname failed");
(void) close(so);
return (NULL);
}
if (getnameinfo(&sa, len, NULL, 0, strport, NI_MAXSERV,
NI_NUMERICSERV) != 0) {
syslog(LOG_ALERT, "isns getnameinfo failed");
(void) close(so);
return (NULL);
}
scn_port = atoi(strport);
if (listen(so, 5) < 0) {
syslog(LOG_ALERT, "esi_scn_thr: failed listen");
(void) close(so);
return (NULL);
}
/* listen for esi or scn messages */
while (isns_shutdown == False) {
/* ISNS_ESI_INTERVAL_ATTR_ID is set to 10s */
timeout.tv_sec = 10;
timeout.tv_usec = 0;
FD_ZERO(&fdset);
FD_SET(so, &fdset);
socket_ready = select(so + 1, &fdset, NULL, NULL, &timeout);
/* If disabled bail out, dont care about packets */
if (isns_enabled() == False) {
syslog(LOG_INFO,
"isns server is disabled, dergister target");
isns_fini();
(void) close(so);
return (NULL);
}
if (socket_ready < 0) {
syslog(LOG_ERR,
"esi_scn_thr: select failed, retrying.");
continue;
} else if (socket_ready == 0) { /* timeout */
continue;
} else {
/* Socket is ready */
if ((fd = accept(so, &sa, &len)) < 0) {
syslog(LOG_ALERT, "esi_scn_thr: failed accept");
continue;
}
}
if (isns_recv(fd, (isns_rsp_t **)&scn) == 0) {
/* Just return success for ESI */
switch (scn->func_id) {
case ISNS_ESI:
process_esi(fd, scn);
break;
case ISNS_SCN:
/* call the SCN process function */
process_scn(fd, scn);
break;
default:
syslog(LOG_ERR,
"esi_scn_thr: Invalid funcid %d\n",
scn->func_id);
break;
}
/* free response resource */
isns_free_pdu(scn);
} else {
syslog(LOG_ALERT, "esi_scn_thr fails isns_recv ");
}
(void) close(fd);
}
(void) close(so);
return (NULL);
}
/*
* Update an existing iscsi target property
*/
int
isns_dev_update(char *targ, uint32_t mods)
{
int so;
int flags = 0; /* update only */
char *iname = NULL;
char *dummy = NULL;
char alias[MAXNAMELEN];
tgt_node_t *tgt = NULL;
isns_pdu_t *cmd;
isns_rsp_t *rsp;
int ret = -1;
if (mods == 0)
return (0);
if (isns_server_connection_thr_running == False) {
syslog(LOG_ERR,
"isns_dev_update: iSNS discovery is not running."
" Check the previous iSNS initialization error.");
return (-1);
}
if ((tgt = find_tgt_by_name(targ, &iname)) != NULL) {
if (tgt_find_value_str(tgt, XML_ELEMENT_ALIAS, &dummy) ==
True) {
(void) strcpy(alias, dummy);
free(dummy);
} else
(void) strcpy(alias, tgt->x_value);
if ((so = isns_open(isns_args.server)) < 0) {
goto error;
}
if (isns_create_pdu(ISNS_DEV_ATTR_REG, flags, &cmd)) {
goto error;
}
/* source attr, msg key, delimiter */
if (isns_append_attr(cmd, ISNS_ISCSI_NAME_ATTR_ID,
STRLEN(iname), iname, 0) != 0) {
goto error;
}
if (isns_append_attr(cmd, ISNS_EID_ATTR_ID,
STRLEN(isns_args.entity), isns_args.entity, 0) != 0) {
goto error;
}
if (isns_append_attr(cmd, ISNS_DELIMITER_ATTR_ID, 0, NULL, 0)
!= 0) {
goto error;
}
/*
* get current operating attributes, alias & portal group
* objects, these should be the only things that get change
*/
(void) isns_append_attr(cmd, ISNS_ISCSI_NAME_ATTR_ID,
STRLEN(iname), iname, 0);
(void) isns_append_attr(cmd, ISNS_ISCSI_NODE_TYPE_ATTR_ID,
ISNS_NODE_TYP_SZ, NULL, ISNS_TARGET_NODE_TYPE);
if (mods & ISNS_MOD_ALIAS)
if (isns_append_attr(cmd, ISNS_ISCSI_ALIAS_ATTR_ID,
STRLEN(alias), alias, 0) != 0) {
goto error;
}
if (mods & ISNS_MOD_TPGT)
if (append_tpgt(tgt, cmd) != 0) {
goto error;
}
if (isns_send(so, (isns_pdu_t *)cmd) < 0) {
goto error;
}
if (isns_recv(so, &rsp) == -1) {
goto error;
}
/* process response, if failed do a isns_reg_all */
if ((ret = process_rsp(cmd, rsp)) == -1) {
if (isns_reg_all() != 0 || isns_scn_reg_all() != 0) {
syslog(LOG_ALERT, "ISNS register failed\n");
goto error;
}
ret = 0;
} else {
if (isns_scn_reg(so, iname) == -1) {
syslog(LOG_ERR, "ISNS SCN register failed\n");
goto error;
}
ret = 0;
}
} else {
syslog(LOG_ERR, "ISNS: fails to update target %s\n", alias);
}
error:
if (cmd)
isns_free_pdu(cmd);
if (rsp)
isns_free_pdu(rsp);
if (iname)
free(iname);
isns_close(so);
return (ret);
}
/*
* Register all iscsi target nodes from the XML database
* Alway use the ISNS_FLAG_REPLACE_REG flag
*/
int
isns_reg_all()
{
int so;
uint32_t flags = ISNS_FLAG_REPLACE_REG;
isns_pdu_t *cmd = NULL;
isns_rsp_t *rsp = NULL;
char *n = NULL;
char *a = NULL;
char alias[MAXNAMELEN];
char iname[MAXNAMELEN];
tgt_node_t *tgt = NULL;
int ret = -1;
int tgt_cnt = 0;
if (isns_server_connection_thr_running == False) {
syslog(LOG_ERR,
"isns_reg_all: iSNS discovery is not running."
" Check the previous iSNS initialization error.");
return (-1);
}
/*
* get the 1st target and use it for the source attribute
*/
if ((tgt = tgt_node_next_child(targets_config, XML_ELEMENT_TARG, tgt))
== NULL) {
return (0);
}
if (tgt->x_value == NULL) {
syslog(LOG_ALERT, "ISNS: target with NULL local name\n");
return (-1);
}
if (tgt_find_value_str(tgt, XML_ELEMENT_INAME, &n)
== FALSE) {
syslog(LOG_ALERT, "ISNS: no XML_ELEMENT_INAME found\n");
return (-1);
}
(void) strcpy(iname, n);
free(n);
if ((so = isns_open(isns_args.server)) == -1) {
syslog(LOG_ALERT, "ISNS: fails to connect to %s\n",
isns_args.server);
return (-1);
}
if (isns_create_pdu(ISNS_DEV_ATTR_REG, flags, &cmd) != 0) {
goto error;
}
/* source attribute */
if (isns_append_attr(cmd, ISNS_ISCSI_NAME_ATTR_ID,
STRLEN(iname), iname, 0) != 0) {
goto error;
}
/* add message key attribute */
if (isns_append_attr(cmd, ISNS_EID_ATTR_ID,
STRLEN(isns_args.entity), isns_args.entity, 0) != 0) {
goto error;
}
/* add delimiter */
if (isns_append_attr(cmd, ISNS_DELIMITER_ATTR_ID, 0, NULL, 0) != 0) {
goto error;
}
/* entity id */
if (isns_append_attr(cmd, ISNS_EID_ATTR_ID,
STRLEN(isns_args.entity), isns_args.entity, 0) != 0) {
goto error;
}
/* entity type */
if (isns_append_attr(cmd, ISNS_ENTITY_PROTOCOL_ATTR_ID,
ISNS_ENTITY_TYP_SZ, NULL, ISNS_ENTITY_PROTOCOL_ISCSI) != 0) {
goto error;
}
/* portal ip-addr */
if (isns_append_attr(cmd, ISNS_PORTAL_IP_ADDR_ATTR_ID,
eid_ip.ai_addrlen, (void *)&eid_ip.ip_adr,
eid_ip.ip_len) != 0) {
goto error;
}
/* portal port */
if (isns_append_attr(cmd, ISNS_PORTAL_PORT_ATTR_ID,
ISNS_PORT_SZ, NULL, iscsi_port) != 0) {
goto error;
}
/* ESI interval */
if (isns_append_attr(cmd, ISNS_ESI_INTERVAL_ATTR_ID,
ISNS_ESI_TICK_SZ, NULL, 10) != 0) {
goto error;
}
/* scn port */
if (isns_append_attr(cmd, ISNS_SCN_PORT_ATTR_ID,
ISNS_PORT_SZ, NULL, scn_port) != 0) {
goto error;
}
/* esi port */
if (isns_append_attr(cmd, ISNS_ESI_PORT_ATTR_ID,
ISNS_PORT_SZ, NULL, scn_port) != 0) {
goto error;
}
/*
* Open targets_config and devAttrReg all nodes
*/
tgt = NULL;
while ((tgt = tgt_node_next_child(targets_config, XML_ELEMENT_TARG,
tgt)) != NULL) {
if (tgt->x_value == NULL) {
syslog(LOG_ALERT, "ISNS: target with NULL name\n");
continue;
}
/* use this value as alias if alias is not set */
(void) strcpy(alias, tgt->x_value);
if (tgt_find_value_str(tgt, XML_ELEMENT_INAME, &n)
== FALSE) {
continue;
}
(void) strcpy(iname, n);
free(n);
/* find alias */
if (tgt_find_value_str(tgt, XML_ELEMENT_ALIAS, &a)
== TRUE) {
(void) strcpy(alias, a);
free(a);
}
tgt_cnt++; /* increment target count */
/* operation attributes */
if (isns_append_attr(cmd, ISNS_ISCSI_NAME_ATTR_ID,
STRLEN(iname), iname, 0) != 0) {
goto error;
}
if (isns_append_attr(cmd, ISNS_ISCSI_NODE_TYPE_ATTR_ID,
4, NULL, ISNS_TARGET_NODE_TYPE) != 0) {
goto error;
}
if (isns_append_attr(cmd, ISNS_ISCSI_ALIAS_ATTR_ID,
STRLEN(alias), alias, 0) != 0) {
goto error;
}
if (append_tpgt(tgt, cmd) != 0) {
goto error;
}
}
/* send pdu */
if (isns_send(so, cmd) == -1) {
goto error;
}
/* get isns response */
if (isns_recv(so, &rsp) == -1) {
goto error;
}
/* process response */
if (process_rsp(cmd, rsp) == 0) {
ret = 0;
num_reg = tgt_cnt;
queue_prt(mgmtq, Q_ISNS_DBG, "DevAttrRegAll successful");
} else {
syslog(LOG_ALERT, "DevAttrReg failed");
}
error:
if (cmd)
isns_free_pdu(cmd);
if (rsp)
isns_free_pdu(rsp);
isns_close(so);
return (ret);
}
/*
* SCNReg
* See RFC 4171 Section 5.6.5.5
*/
static int
isns_scn_reg(int so, char *node)
{
isns_pdu_t *cmd;
isns_rsp_t *rsp;
uint32_t flags = 0;
uint32_t bitmap = 0;
int ret = -1;
queue_prt(mgmtq, Q_ISNS_DBG, "ISNS_SCN_REG");
if (isns_create_pdu(ISNS_SCN_REG, flags, &cmd) != 0) {
return (-1);
}
/* source attribute */
if (isns_append_attr(cmd, ISNS_ISCSI_NAME_ATTR_ID,
STRLEN(node), node, 0) == -1) {
goto error;
}
/* message key attribute */
/* iscsi initiator node name */
if (isns_append_attr(cmd, ISNS_ISCSI_NAME_ATTR_ID,
STRLEN(node), node, 0) != 0) {
goto error;
}
/* delimiter */
if (isns_append_attr(cmd, ISNS_DELIMITER_ATTR_ID, 0, NULL, 0) == -1) {
goto error;
}
/* SCN bitmap */
bitmap = ISNS_INIT_SELF_INFO_ONLY | ISNS_OBJ_REMOVED |
ISNS_OBJ_ADDED | ISNS_OBJ_UPDATED;
if (isns_append_attr(cmd, ISNS_ISCSI_SCN_BITMAP_ATTR_ID,
ISNS_SCN_BITMAP_SZ, NULL, bitmap) == -1) {
goto error;
}
if (isns_send(so, cmd) == -1) {
syslog(LOG_ERR, "isns_scn_reg fails isns_send");
goto error;
}
if (isns_recv(so, &rsp) == -1) {
syslog(LOG_ERR, "isns_scn_reg fails isns_recv ");
goto error;
}
/* process response */
if (process_rsp(cmd, rsp) == 0) {
ret = 0;
}
error:
if (cmd)
isns_free_pdu(cmd);
if (rsp)
isns_free_pdu(rsp);
return (ret);
}
/*
* DevAttrQry for iscsi initiator
* See RFC 4171 Sect. 5.6.5.2 for query detail
*/
static int
isns_dev_attr_qry(int so, char *target, char *initiator)
{
isns_pdu_t *cmd;
isns_rsp_t *rsp;
uint32_t flags = 0;
int ret = -1;
size_t remain;
isns_tlv_t *tlv;
uint8_t *ptr;
queue_prt(mgmtq, Q_ISNS_DBG, "ISNS_DEV_ATTR_QRY");
if (isns_create_pdu(ISNS_DEV_ATTR_QRY, flags, &cmd) != 0) {
return (-1);
}
/* source attribute */
if (isns_append_attr(cmd, ISNS_ISCSI_NAME_ATTR_ID,
STRLEN(target), target, 0) == -1) {
goto error;
}
/* message key attribute */
/* iscsi initiator node type */
if (isns_append_attr(cmd, ISNS_ISCSI_NODE_TYPE_ATTR_ID,
ISNS_NODE_TYP_SZ, NULL, ISNS_INITIATOR_NODE_TYPE) == -1) {
goto error;
}
/* delimiter */
if (isns_append_attr(cmd, ISNS_DELIMITER_ATTR_ID, 0, NULL, 0) == -1) {
goto error;
}
/*
* operating attributes
* Query Iscsi initiator with zero length TLV operating
* attribute
*/
/* iscsi name */
if (isns_append_attr(cmd, ISNS_ISCSI_NAME_ATTR_ID,
0, NULL, 0) != 0) {
goto error;
}
if (isns_send(so, cmd) == -1) {
syslog(LOG_ERR, "isns_dev_attr_qry fails isns_send");
goto error;
}
/* recv response */
if (isns_recv(so, &rsp) == -1) {
syslog(LOG_ERR, "isns_dev_attr_qry fails isns_recv ");
goto error;
}
/* process response */
if ((ret = process_rsp(cmd, rsp)) == 0) {
/* compare initiator name to the response, success if found */
/* subtract out status word */
remain = rsp->pdu_len - ISNS_STATUS_SZ;
ptr = rsp->data;
while (remain > 0) {
/* LINTED */
tlv = (isns_tlv_t *)ptr;
/* debug only */
print_ntoh_tlv(tlv);
/* process tag-len-value */
ntoh_tlv(tlv);
/*
* let's process the data, only interested
* in iscsi name, skip everything else for
* now.
*/
if (tlv->attr_id == ISNS_ISCSI_NAME_ATTR_ID) {
if (strncmp((char *)tlv->attr_value, initiator,
tlv->attr_len) == 0) {
break;
}
}
/* next tlv */
remain -= ISNS_ATTR_SZ(tlv->attr_len);
ptr += ISNS_ATTR_SZ(tlv->attr_len);
}
ret = (remain > 0) ? 1 : 0;
}
error:
if (cmd)
isns_free_pdu(cmd);
if (rsp)
isns_free_pdu(rsp);
return (ret);
}
/*
* Register a new node, need to find another node that is already registered
* DevAttrReg
* RFC 4171 Section 5.6.5.5 indicated SCN-port-tag (23) needed to be
* included in the registration
* Also need to register ESI-port-tag (20) see Section 6.3.5
*/
static int
isns_dev_attr_reg(int so, tgt_node_t *tgt, char *node, char *alias)
{
isns_pdu_t *cmd = NULL;
isns_rsp_t *rsp = NULL;
uint32_t flags = 0;
int ret = 0;
Boolean_t found = False;
tgt_node_t *src = NULL;
char *src_nm = NULL;
queue_prt(mgmtq, Q_ISNS_DBG, "ISNS_DEV_ATTR_REG");
if ((so = isns_open(isns_args.server)) == -1) {
return (-1);
}
if (num_reg == 0) {
flags |= ISNS_FLAG_REPLACE_REG;
}
if (isns_create_pdu(ISNS_DEV_ATTR_REG, flags, &cmd) != 0) {
return (-1);
}
if (num_reg == 0) {
/* add new node to source attribute */
if (isns_append_attr(cmd, ISNS_ISCSI_NAME_ATTR_ID,
STRLEN(node), node, 0) != 0) {
goto error;
}
} else {
/* find a registered node to use */
do {
src = find_next_tgt(src, &src_nm);
if (src == NULL) {
syslog(LOG_ALERT, "ISNS out of sync\n");
goto error;
}
if (tgt == src) {
free(src_nm);
src_nm = NULL;
continue;
} else {
found = True;
}
} while (found == False);
if (isns_append_attr(cmd, ISNS_ISCSI_NAME_ATTR_ID,
STRLEN(src_nm), src_nm, 0) != 0) {
goto error;
}
}
/* add message key attribute */
if (isns_append_attr(cmd, ISNS_EID_ATTR_ID,
STRLEN(isns_args.entity), isns_args.entity, 0) != 0) {
goto error;
}
/* add delimiter */
if (isns_append_attr(cmd, ISNS_DELIMITER_ATTR_ID, 0, NULL, 0) != 0) {
goto error;
}
/* add operation attributes */
/* entity id */
if (isns_append_attr(cmd, ISNS_EID_ATTR_ID,
STRLEN(isns_args.entity), isns_args.entity, 0) != 0) {
goto error;
}
/* entity type */
if (isns_append_attr(cmd, ISNS_ENTITY_PROTOCOL_ATTR_ID,
ISNS_ENTITY_TYP_SZ, NULL, ISNS_ENTITY_PROTOCOL_ISCSI) != 0) {
goto error;
}
/*
* Register entity portal properties the 1st time
*/
if (num_reg == 0) {
/* portal ip-addr */
if (isns_append_attr(cmd, ISNS_PORTAL_IP_ADDR_ATTR_ID,
eid_ip.ai_addrlen, (void *)&eid_ip.ip_adr,
eid_ip.ip_len) != 0) {
goto error;
}
/* portal port */
if (isns_append_attr(cmd, ISNS_PORTAL_PORT_ATTR_ID,
ISNS_PORT_SZ, NULL, iscsi_port) != 0) {
goto error;
}
/* ESI interval */
if (isns_append_attr(cmd, ISNS_ESI_INTERVAL_ATTR_ID,
ISNS_ESI_TICK_SZ, NULL, 10) != 0) {
goto error;
}
/* scn port */
if (isns_append_attr(cmd, ISNS_SCN_PORT_ATTR_ID,
ISNS_PORT_SZ, NULL, scn_port) != 0) {
goto error;
}
/* esi port */
if (isns_append_attr(cmd, ISNS_ESI_PORT_ATTR_ID,
ISNS_PORT_SZ, NULL, scn_port) != 0) {
goto error;
}
}
/* iscsi node name */
if (isns_append_attr(cmd, ISNS_ISCSI_NAME_ATTR_ID,
STRLEN(node), node, 0) != 0) {
goto error;
}
/* iscsi node type */
if (isns_append_attr(cmd, ISNS_ISCSI_NODE_TYPE_ATTR_ID,
ISNS_NODE_TYP_SZ, NULL, ISNS_TARGET_NODE_TYPE) != 0) {
goto error;
}
/* iscsi node alias */
if (isns_append_attr(cmd, ISNS_ISCSI_ALIAS_ATTR_ID,
STRLEN(alias), alias, 0) != 0) {
goto error;
}
/* PGT */
if (append_tpgt(tgt, cmd) != 0) {
goto error;
}
/* send pdu */
if (isns_send(so, cmd) == -1) {
goto error;
}
/* get isns response */
if (isns_recv(so, &rsp) == -1) {
goto error;
}
/* process response */
if ((ret = process_rsp(cmd, rsp)) == 0) {
num_reg++;
}
error:
/* Free all resouces here */
if (cmd)
isns_free_pdu(cmd);
if (rsp)
isns_free_pdu(rsp);
if (src_nm)
free(src_nm);
return (ret);
}
