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Cannot immediately overwrite the peer address when we parse

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TargetAddress from the login response, because we still need the old
address while we close the connection!
This commit is contained in:
Michael Brown
2006-12-22 12:24:12 +00:00
parent 73e3e02367
commit a2e3357825
3 changed files with 20 additions and 9 deletions
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10
src/include/gpxe/iscsi.h
View File

@@ -504,9 +504,15 @@ struct iscsi_session {
int retry_count; int retry_count;
/** Initiator IQN */ /** Initiator IQN */
const char *initiator; const char *initiator_iqn;
/** Target address
*
* Kept separate from the TCP connection structure because we
* may need to handle login redirection.
*/
struct sockaddr_tcpip target;
/** Target IQN */ /** Target IQN */
const char *target; const char *target_iqn;
/** Logical Unit Number (LUN) */ /** Logical Unit Number (LUN) */
uint64_t lun; uint64_t lun;

11
src/net/tcp/iscsi.c
View File

@@ -395,8 +395,8 @@ static int iscsi_build_login_request_strings ( struct iscsi_session *iscsi,
"TargetName=%s%c" "TargetName=%s%c"
"SessionType=Normal%c" "SessionType=Normal%c"
"AuthMethod=CHAP,None%c", "AuthMethod=CHAP,None%c",
iscsi->initiator, 0, iscsi->target, 0, iscsi->initiator_iqn, 0,
0, 0 ); iscsi->target_iqn, 0, 0, 0 );
} }
if ( iscsi->status & ISCSI_STATUS_STRINGS_CHAP_ALGORITHM ) { if ( iscsi->status & ISCSI_STATUS_STRINGS_CHAP_ALGORITHM ) {
@@ -497,7 +497,7 @@ static void iscsi_tx_login_request ( struct iscsi_session *iscsi,
static void iscsi_handle_targetaddress_value ( struct iscsi_session *iscsi, static void iscsi_handle_targetaddress_value ( struct iscsi_session *iscsi,
const char *value ) { const char *value ) {
struct in_addr address; struct in_addr address;
struct sockaddr_in *sin = ( struct sockaddr_in * ) &iscsi->tcp.peer; struct sockaddr_in *sin = ( struct sockaddr_in * ) &iscsi->target;
if ( inet_aton ( value, &address ) == 0 ) { if ( inet_aton ( value, &address ) == 0 ) {
DBG ( "iSCSI %p received invalid TargetAddress \"%s\"\n", DBG ( "iSCSI %p received invalid TargetAddress \"%s\"\n",
@@ -1121,6 +1121,9 @@ static void iscsi_closed ( struct tcp_connection *conn, int status ) {
/* Retry connection if within the retry limit, otherwise fail */ /* Retry connection if within the retry limit, otherwise fail */
if ( ++iscsi->retry_count <= ISCSI_MAX_RETRIES ) { if ( ++iscsi->retry_count <= ISCSI_MAX_RETRIES ) {
DBG ( "iSCSI %p retrying connection\n", iscsi ); DBG ( "iSCSI %p retrying connection\n", iscsi );
/* Re-copy address to handle redirection */
memcpy ( &iscsi->tcp.peer, &iscsi->target,
sizeof ( iscsi->tcp.peer ) );
tcp_connect ( conn ); tcp_connect ( conn );
} else { } else {
printf ( "iSCSI %p retry count exceeded\n", iscsi ); printf ( "iSCSI %p retry count exceeded\n", iscsi );
@@ -1190,6 +1193,8 @@ struct async_operation * iscsi_issue ( struct iscsi_session *iscsi,
} else { } else {
/* Session not open: initiate login */ /* Session not open: initiate login */
iscsi->tcp.tcp_op = &iscsi_tcp_operations; iscsi->tcp.tcp_op = &iscsi_tcp_operations;
memcpy ( &iscsi->tcp.peer, &iscsi->target,
sizeof ( iscsi->tcp.peer ) );
tcp_connect ( &iscsi->tcp ); tcp_connect ( &iscsi->tcp );
} }

8
src/tests/iscsiboot.c
View File

@@ -21,10 +21,10 @@ int test_iscsiboot ( const char *initiator_iqn,
int rc; int rc;
memset ( &test_iscsidev, 0, sizeof ( test_iscsidev ) ); memset ( &test_iscsidev, 0, sizeof ( test_iscsidev ) );
memcpy ( &test_iscsidev.iscsi.tcp.peer, target, memcpy ( &test_iscsidev.iscsi.target, target,
sizeof ( test_iscsidev.iscsi.tcp.peer ) ); sizeof ( test_iscsidev.iscsi.target ) );
test_iscsidev.iscsi.initiator = initiator_iqn; test_iscsidev.iscsi.initiator_iqn = initiator_iqn;
test_iscsidev.iscsi.target = target_iqn; test_iscsidev.iscsi.target_iqn = target_iqn;
test_iscsidev.iscsi.lun = lun; test_iscsidev.iscsi.lun = lun;
test_iscsidev.iscsi.username = username; test_iscsidev.iscsi.username = username;
test_iscsidev.iscsi.password = password; test_iscsidev.iscsi.password = password;