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mirror of https://github.com/samba-team/samba.git synced 2025-01-12 09:18:10 +03:00

simple fix to hopefully speed up srv_spoolss_replyopenprinter().

Use the client address from the pipe->conn->client_address
instead of trying to resolve the name in the _spoolss_rffpcn()
request.  Should make us more robust as well when the clients
are not registered in DNS or WINS.
This commit is contained in:
Gerald Carter 0001-01-01 00:00:00 +00:00
parent c1559003fe
commit 23f0fcf642

View File

@ -2507,34 +2507,43 @@ done:
Connect to the client machine.
**********************************************************/
static BOOL spoolss_connect_to_client(struct cli_state *the_cli, const char *remote_machine)
static BOOL spoolss_connect_to_client(struct cli_state *the_cli,
struct in_addr *client_ip, const char *remote_machine)
{
ZERO_STRUCTP(the_cli);
if(cli_initialise(the_cli) == NULL) {
DEBUG(0,("connect_to_client: unable to initialize client connection.\n"));
DEBUG(0,("spoolss_connect_to_client: unable to initialize client connection.\n"));
return False;
}
if(!resolve_name( remote_machine, &the_cli->dest_ip, 0x20)) {
DEBUG(0,("connect_to_client: Can't resolve address for %s\n", remote_machine));
cli_shutdown(the_cli);
return False;
}
if (ismyip(the_cli->dest_ip)) {
DEBUG(0,("connect_to_client: Machine %s is one of our addresses. Cannot add to ourselves.\n", remote_machine));
cli_shutdown(the_cli);
if ( is_zero_ip(*client_ip) ) {
if(!resolve_name( remote_machine, &the_cli->dest_ip, 0x20)) {
DEBUG(0,("spoolss_connect_to_client: Can't resolve address for %s\n", remote_machine));
cli_shutdown(the_cli);
return False;
}
if (ismyip(the_cli->dest_ip)) {
DEBUG(0,("spoolss_connect_to_client: Machine %s is one of our addresses. Cannot add to ourselves.\n", remote_machine));
cli_shutdown(the_cli);
return False;
}
}
else {
the_cli->dest_ip.s_addr = client_ip->s_addr;
DEBUG(5,("spoolss_connect_to_client: Using address %s (no name resolution necessary)\n",
inet_ntoa(*client_ip) ));
}
if (!cli_connect(the_cli, remote_machine, &the_cli->dest_ip)) {
DEBUG(0,("connect_to_client: unable to connect to SMB server on machine %s. Error was : %s.\n", remote_machine, cli_errstr(the_cli) ));
DEBUG(0,("spoolss_connect_to_client: unable to connect to SMB server on machine %s. Error was : %s.\n", remote_machine, cli_errstr(the_cli) ));
cli_shutdown(the_cli);
return False;
}
if (!attempt_netbios_session_request(the_cli, global_myname(), remote_machine, &the_cli->dest_ip)) {
DEBUG(0,("connect_to_client: machine %s rejected the NetBIOS session request.\n",
DEBUG(0,("spoolss_connect_to_client: machine %s rejected the NetBIOS session request.\n",
remote_machine));
cli_shutdown(the_cli);
return False;
@ -2543,13 +2552,13 @@ static BOOL spoolss_connect_to_client(struct cli_state *the_cli, const char *rem
the_cli->protocol = PROTOCOL_NT1;
if (!cli_negprot(the_cli)) {
DEBUG(0,("connect_to_client: machine %s rejected the negotiate protocol. Error was : %s.\n", remote_machine, cli_errstr(the_cli) ));
DEBUG(0,("spoolss_connect_to_client: machine %s rejected the negotiate protocol. Error was : %s.\n", remote_machine, cli_errstr(the_cli) ));
cli_shutdown(the_cli);
return False;
}
if (the_cli->protocol != PROTOCOL_NT1) {
DEBUG(0,("connect_to_client: machine %s didn't negotiate NT protocol.\n", remote_machine));
DEBUG(0,("spoolss_connect_to_client: machine %s didn't negotiate NT protocol.\n", remote_machine));
cli_shutdown(the_cli);
return False;
}
@ -2559,19 +2568,19 @@ static BOOL spoolss_connect_to_client(struct cli_state *the_cli, const char *rem
*/
if (!cli_session_setup(the_cli, "", "", 0, "", 0, "")) {
DEBUG(0,("connect_to_client: machine %s rejected the session setup. Error was : %s.\n", remote_machine, cli_errstr(the_cli) ));
DEBUG(0,("spoolss_connect_to_client: machine %s rejected the session setup. Error was : %s.\n", remote_machine, cli_errstr(the_cli) ));
cli_shutdown(the_cli);
return False;
}
if (!(the_cli->sec_mode & 1)) {
DEBUG(0,("connect_to_client: machine %s isn't in user level security mode\n", remote_machine));
DEBUG(0,("spoolss_connect_to_client: machine %s isn't in user level security mode\n", remote_machine));
cli_shutdown(the_cli);
return False;
}
if (!cli_send_tconX(the_cli, "IPC$", "IPC", "", 1)) {
DEBUG(0,("connect_to_client: machine %s rejected the tconX on the IPC$ share. Error was : %s.\n", remote_machine, cli_errstr(the_cli) ));
DEBUG(0,("spoolss_connect_to_client: machine %s rejected the tconX on the IPC$ share. Error was : %s.\n", remote_machine, cli_errstr(the_cli) ));
cli_shutdown(the_cli);
return False;
}
@ -2582,7 +2591,7 @@ static BOOL spoolss_connect_to_client(struct cli_state *the_cli, const char *rem
*/
if(cli_nt_session_open(the_cli, PI_SPOOLSS) == False) {
DEBUG(0,("connect_to_client: unable to open the domain client session to machine %s. Error was : %s.\n", remote_machine, cli_errstr(the_cli)));
DEBUG(0,("spoolss_connect_to_client: unable to open the domain client session to machine %s. Error was : %s.\n", remote_machine, cli_errstr(the_cli)));
cli_nt_session_close(the_cli);
cli_ulogoff(the_cli);
cli_shutdown(the_cli);
@ -2596,7 +2605,9 @@ static BOOL spoolss_connect_to_client(struct cli_state *the_cli, const char *rem
Connect to the client.
****************************************************************************/
static BOOL srv_spoolss_replyopenprinter(int snum, const char *printer, uint32 localprinter, uint32 type, POLICY_HND *handle)
static BOOL srv_spoolss_replyopenprinter(int snum, const char *printer,
uint32 localprinter, uint32 type,
POLICY_HND *handle, struct in_addr *client_ip)
{
WERROR result;
@ -2609,7 +2620,7 @@ static BOOL srv_spoolss_replyopenprinter(int snum, const char *printer, uint32 l
fstrcpy(unix_printer, printer+2); /* the +2 is to strip the leading 2 backslashs */
if(!spoolss_connect_to_client(&notify_cli, unix_printer))
if(!spoolss_connect_to_client(&notify_cli, client_ip, unix_printer))
return False;
message_register(MSG_PRINTER_NOTIFY2, receive_notify2_message_list);
@ -2658,6 +2669,7 @@ WERROR _spoolss_rffpcnex(pipes_struct *p, SPOOL_Q_RFFPCNEX *q_u, SPOOL_R_RFFPCNE
uint32 printerlocal = q_u->printerlocal;
int snum = -1;
SPOOL_NOTIFY_OPTION *option = q_u->option;
struct in_addr client_ip;
/* store the notify value in the printer struct */
@ -2687,10 +2699,12 @@ WERROR _spoolss_rffpcnex(pipes_struct *p, SPOOL_Q_RFFPCNEX *q_u, SPOOL_R_RFFPCNE
else if ( (Printer->printer_type == PRINTER_HANDLE_IS_PRINTER) &&
!get_printer_snum(p, handle, &snum) )
return WERR_BADFID;
client_ip.s_addr = inet_addr(p->conn->client_address);
if(!srv_spoolss_replyopenprinter(snum, Printer->notify.localmachine,
Printer->notify.printerlocal, 1,
&Printer->notify.client_hnd))
&Printer->notify.client_hnd, &client_ip))
return WERR_SERVER_UNAVAILABLE;
Printer->notify.client_connected=True;