xmlns:samba="http://www.samba.org/samba/DTD/samba-doc">
<description>
<para>Specifies which port the server should listen on for DCE/RPC over TCP/IP traffic.</para>
- <para>This controls default port for all protocols, except for NETLOGON. If unset, the first available port after 1024 is used.</para>
- <para>The NETLOGON server will use the next available port, eg 1025. To change this port use (eg) rpc server port:netlogon = 4000.</para>
+ <para>This controls the default port for all protocols, except for NETLOGON.</para>
+ <para>If unset, the first available port from <smbconfoption name="rpc server dynamic port range"/> is used, e.g. 49152.</para>
+ <para>The NETLOGON server will use the next available port, e.g. 49153. To change this port use (eg) rpc server port:netlogon = 4000.</para>
<para>Furthermore, all RPC servers can have the port they use specified independenty, with (for example) rpc server port:drsuapi = 5000.</para>
+ <para>This option applies currently only when
+ <citerefentry><refentrytitle>samba</refentrytitle> <manvolnum>8</manvolnum></citerefentry>
+ runs as an active directory domain controller.</para>
+
+ <para>The default value 0 causes Samba to select the first available port from <smbconfoption name="rpc server dynamic port range"/>.</para>
</description>
-<para>The default value 0 causes Samba to select the first available port after 1024.</para>
+
+<related>rpc server dynamic port range</related>
+
<value type="default">0</value>
</samba:parameter>
--- /dev/null
+<samba:parameter name="rpc server dynamic port range"
+ context="G"
+ type="string"
+ handler="handle_rpc_server_dynamic_port_range"
+ xmlns:samba="http://www.samba.org/samba/DTD/samba-doc">
+<description>
+ <para>
+ This parameter tells the RPC server which port range it is
+ allowed to use to create a listening socket for LSA, SAM,
+ Netlogon and others without wellknown tcp ports.
+ The first value is the lowest number of the port
+ range and the second the hightest.
+ </para>
+ <para>
+ This applies to RPC servers in all server roles.
+ </para>
+</description>
+
+<related>rpc server port</related>
+
+<value type="default">49152-65535</value>
+</samba:parameter>
return lp_ctx->sDefault;
}
+int lpcfg_rpc_low_port(struct loadparm_context *lp_ctx)
+{
+ return lp_ctx->globals->rpc_low_port;
+}
+
+int lpcfg_rpc_high_port(struct loadparm_context *lp_ctx)
+{
+ return lp_ctx->globals->rpc_high_port;
+}
+
/**
* Convenience routine to grab string parameters into temporary memory
* and run standard_sub_basic on them.
return true;
}
+bool handle_rpc_server_dynamic_port_range(struct loadparm_context *lp_ctx,
+ struct loadparm_service *service,
+ const char *pszParmValue,
+ char **ptr)
+{
+ int low_port = -1, high_port = -1;
+ int rc;
+
+ if (pszParmValue == NULL || pszParmValue[0] == '\0') {
+ return false;
+ }
+
+ rc = sscanf(pszParmValue, "%d - %d", &low_port, &high_port);
+ if (rc != 2) {
+ return false;
+ }
+
+ if (low_port > high_port) {
+ return false;
+ }
+
+ if (low_port < SERVER_TCP_PORT_MIN|| high_port > SERVER_TCP_PORT_MAX) {
+ return false;
+ }
+
+ lp_ctx->globals->rpc_low_port = low_port;
+ lp_ctx->globals->rpc_high_port = high_port;
+
+ return true;
+}
+
bool handle_smb2_max_credits(struct loadparm_context *lp_ctx,
struct loadparm_service *service,
const char *pszParmValue, char **ptr)
lp_ctx->globals = talloc_zero(lp_ctx, struct loadparm_global);
/* This appears odd, but globals in s3 isn't a pointer */
lp_ctx->globals->ctx = lp_ctx->globals;
+ lp_ctx->globals->rpc_low_port = SERVER_TCP_LOW_PORT;
+ lp_ctx->globals->rpc_high_port = SERVER_TCP_HIGH_PORT;
lp_ctx->sDefault = talloc_zero(lp_ctx, struct loadparm_service);
lp_ctx->flags = talloc_zero_array(lp_ctx, unsigned int, num_parameters());
lpcfg_do_global_parameter(lp_ctx, "kerberos encryption types", "all");
+ lpcfg_do_global_parameter(lp_ctx,
+ "rpc server dynamic port range",
+ "49152-65535");
+
/* Allow modules to adjust defaults */
for (defaults_hook = defaults_hooks; defaults_hook;
defaults_hook = defaults_hook->next) {
#endif /* DEVELOPER */
};
+#define SERVER_TCP_LOW_PORT 49152
+#define SERVER_TCP_HIGH_PORT 65535
+
+#define SERVER_TCP_PORT_MIN 1024
+#define SERVER_TCP_PORT_MAX 65535
#define LOADPARM_EXTRA_GLOBALS \
struct parmlist_entry *param_opt; \
char *dnsdomain; \
- char *realm_original;
+ char *realm_original; \
+ int rpc_low_port; \
+ int rpc_high_port;
const char* server_role_str(uint32_t role);
int lp_find_server_role(int server_role, int security, int domain_logons, int domain_master);
time_t *usr_tkt_lifetime,
time_t *renewal_lifetime);
+int lpcfg_rpc_port_low(struct loadparm_context *lp_ctx);
+int lpcfg_rpc_port_high(struct loadparm_context *lp_ctx);
+
/* The following definitions come from lib/version.c */
const char *samba_version_string(void);
'lprm command', 'lpq command', 'print command', 'template homedir',
'spoolss: os_major', 'spoolss: os_minor', 'spoolss: os_build',
'max open files', 'fss: prune stale', 'fss: sequence timeout',
- 'include system krb5 conf'])
+ 'include system krb5 conf', 'rpc server dynamic port range'])
def setUp(self):
super(SmbDotConfTests, self).setUp()
exceptions = ['client lanman auth',
'client plaintext auth',
'registry shares',
- 'smb ports'])
+ 'smb ports',
+ 'rpc server dynamic port range'])
self._test_empty(['bin/testparm'])
def test_default_s4(self):
self._test_default(['bin/samba-tool', 'testparm'])
self._set_defaults(['bin/samba-tool', 'testparm'])
self._set_arbitrary(['bin/samba-tool', 'testparm'],
- exceptions = ['smb ports'])
+ exceptions = ['smb ports',
+ 'rpc server dynamic port range'])
self._test_empty(['bin/samba-tool', 'testparm'])
def _test_default(self, program):
for tuples in self.defaults:
param, default, context, param_type = tuples
+
if param in self.special_cases:
continue
section = None
for tuples in self.defaults:
param, default, context, param_type = tuples
- if param in ['printing']:
+ if param in ['printing', 'rpc server dynamic port range']:
continue
section = None
int lp_smb2_max_credits(void);
int lp_cups_encrypt(void);
bool lp_widelinks(int );
+int lp_rpc_low_port(void);
+int lp_rpc_high_port(void);
int lp_wi_scan_global_parametrics(
const char *regex, size_t max_matches,
Globals.aio_max_threads = 100;
+ lpcfg_string_set(Globals.ctx,
+ &Globals.rpc_server_dynamic_port_range,
+ "49152-65535");
+ Globals.rpc_low_port = SERVER_TCP_LOW_PORT;
+ Globals.rpc_high_port = SERVER_TCP_HIGH_PORT;
+
/* Now put back the settings that were set with lp_set_cmdline() */
apply_lp_set_cmdline();
}
return client_ipc_signing;
}
+int lp_rpc_low_port(void)
+{
+ return Globals.rpc_low_port;
+}
+
+int lp_rpc_high_port(void)
+{
+ return Globals.rpc_high_port;
+}
+
struct loadparm_global * get_globals(void)
{
return &Globals;
#include "rpc_server/srv_pipe_hnd.h"
#include "rpc_server/srv_pipe.h"
-#define SERVER_TCP_LOW_PORT 49152
-#define SERVER_TCP_HIGH_PORT 65535
-
/* Creates a pipes_struct and initializes it with the information
* sent from the client */
int make_server_pipes_struct(TALLOC_CTX *mem_ctx,
if (*port == 0) {
uint16_t i;
- for (i = SERVER_TCP_LOW_PORT; i <= SERVER_TCP_HIGH_PORT; i++) {
+ for (i = lp_rpc_low_port(); i <= lp_rpc_high_port(); i++) {
fd = open_socket_in(SOCK_STREAM,
i,
0,
#include "../lib/tsocket/tsocket.h"
#include "lib/util/util_net.h"
-/* the range of ports to try for dcerpc over tcp endpoints */
-#define SERVER_TCP_LOW_PORT 49152
-#define SERVER_TCP_HIGH_PORT 65535
-
/* size of listen() backlog in smbd */
#define SERVER_LISTEN_BACKLOG 10
if (!port) {
status = socket_listen(stream_socket->sock, socket_address, SERVER_LISTEN_BACKLOG, 0);
} else if (*port == 0) {
- for (i=SERVER_TCP_LOW_PORT;i<= SERVER_TCP_HIGH_PORT;i++) {
+ for (i = lpcfg_rpc_low_port(lp_ctx);
+ i <= lpcfg_rpc_high_port(lp_ctx);
+ i++) {
socket_address->port = i;
status = socket_listen(stream_socket->sock, socket_address,
SERVER_LISTEN_BACKLOG, 0);