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We pass header and data separately now so no need to check id size
is less than header size.

Add error reporting of login type and error string describing
the error when login status has failed.
This commit is contained in:
Ronnie Sahlberg
2010-12-22 16:55:48 +11:00
parent 6cb843682f
commit 79b821db44
1 changed files with 27 additions and 6 deletions
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33
lib/login.c
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@@ -243,6 +243,31 @@ iscsi_login_async(struct iscsi_context *iscsi, iscsi_command_cb cb,
return 0;
}
static const char *login_error_str(int status)
{
switch (status) {
case 0x0101: return "Target moved temporarily";
case 0x0102: return "Target moved permanently";
case 0x0200: return "Initiator error";
case 0x0201: return "Authentication failure";
case 0x0202: return "Authorization failure";
case 0x0203: return "Target not found";
case 0x0204: return "Target removed";
case 0x0205: return "Unsupported version";
case 0x0206: return "Too many connections";
case 0x0207: return "Missing parameter";
case 0x0208: return "Can't include in session";
case 0x0209: return "Session type not supported";
case 0x020a: return "Session does not exist";
case 0x020b: return "Invalid during login";
case 0x0300: return "Target error";
case 0x0301: return "Service unavailable";
case 0x0302: return "Out of resources";
}
return "Unknown login error";
}
int
iscsi_process_login_reply(struct iscsi_context *iscsi, struct iscsi_pdu *pdu,
struct iscsi_in_pdu *in)
@@ -251,14 +276,10 @@ iscsi_process_login_reply(struct iscsi_context *iscsi, struct iscsi_pdu *pdu,
unsigned char *ptr = in->data;
int size = in->data_pos;
if (size < ISCSI_HEADER_SIZE) {
iscsi_set_error(iscsi, "dont have enough data to read status "
"from login reply");
return -1;
}
status = ntohs(*(uint16_t *)&in->hdr[36]);
if (status != 0) {
iscsi_set_error(iscsi, "Failed to log in to target. Status: %s(%d)\n",
login_error_str(status), status);
pdu->callback(iscsi, SCSI_STATUS_ERROR, NULL,
pdu->private_data);
return 0;