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login: randomize cmdsn and itt

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Signed-off-by: Peter Lieven <pl@kamp.de>
This commit is contained in:
Peter Lieven
2015-03-30 11:43:07 +02:00
parent 74c2869b54
commit 79246def9d
1 changed files with 11 additions and 0 deletions
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lib/login.c
+11
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@@ -790,6 +790,13 @@ iscsi_login_async(struct iscsi_context *iscsi, iscsi_command_cb cb,
return -1; return -1;
} }
/* randomize cmdsn and itt */
if (!iscsi->current_phase && !iscsi->secneg_phase) {
iscsi->itt = (u_int32_t) rand();
iscsi->cmdsn = (u_int32_t) rand();
iscsi->expcmdsn = iscsi->maxcmdsn = iscsi->cmdsn;
}
pdu = iscsi_allocate_pdu(iscsi, pdu = iscsi_allocate_pdu(iscsi,
ISCSI_PDU_LOGIN_REQUEST, ISCSI_PDU_LOGIN_REQUEST,
ISCSI_PDU_LOGIN_RESPONSE, ISCSI_PDU_LOGIN_RESPONSE,
@@ -804,6 +811,10 @@ iscsi_login_async(struct iscsi_context *iscsi, iscsi_command_cb cb,
/* login request */ /* login request */
iscsi_pdu_set_immediate(pdu); iscsi_pdu_set_immediate(pdu);
/* cmdsn is not increased if Immediate delivery*/
iscsi_pdu_set_cmdsn(pdu, iscsi->cmdsn);
pdu->cmdsn = iscsi->cmdsn;
if (!iscsi->user[0]) { if (!iscsi->user[0]) {
iscsi->current_phase = ISCSI_PDU_LOGIN_CSG_OPNEG; iscsi->current_phase = ISCSI_PDU_LOGIN_CSG_OPNEG;
} }