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jpp |
1.1 |
From 1f192fad31923af2bec692ded84e46add5bde76b Mon Sep 17 00:00:00 2001 |
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From: Andreas Schneider <asn@samba.org> |
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Date: Mon, 16 Jan 2017 11:43:12 +0100 |
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Subject: [PATCH 1/2] rpc_server: Use the RPC TCPIP ports of Windows |
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Since Windows Server 2008 Microsoft uses a different port range for RPC |
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services. Before it was 1024-65535 and they changed it to 49152-65535. |
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We should use the same range as these are the ports the firewall in AD |
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networks normally allow. |
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BUG: https://bugzilla.samba.org/show_bug.cgi?id=12521 |
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Signed-off-by: Andreas Schneider <asn@samba.org> |
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Reviewed-by: Stefan Metzmacher <metze@samba.org> |
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(cherry picked from commit 35dfa5c6e2bf60f8f1efda5eb7026cabe8bf5ba3) |
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--- |
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source3/rpc_server/rpc_server.c | 4 ++-- |
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source4/smbd/service_stream.c | 4 ++-- |
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2 files changed, 4 insertions(+), 4 deletions(-) |
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diff --git a/source3/rpc_server/rpc_server.c b/source3/rpc_server/rpc_server.c |
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index 5effe66d9bb..37fe68fc36d 100644 |
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--- a/source3/rpc_server/rpc_server.c |
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+++ b/source3/rpc_server/rpc_server.c |
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@@ -34,8 +34,8 @@ |
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#include "rpc_server/srv_pipe_hnd.h" |
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#include "rpc_server/srv_pipe.h" |
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-#define SERVER_TCP_LOW_PORT 1024 |
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-#define SERVER_TCP_HIGH_PORT 1300 |
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+#define SERVER_TCP_LOW_PORT 49152 |
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+#define SERVER_TCP_HIGH_PORT 65535 |
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/* Creates a pipes_struct and initializes it with the information |
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* sent from the client */ |
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diff --git a/source4/smbd/service_stream.c b/source4/smbd/service_stream.c |
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index f0a379acf6a..96a303fc6a9 100644 |
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--- a/source4/smbd/service_stream.c |
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+++ b/source4/smbd/service_stream.c |
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@@ -30,8 +30,8 @@ |
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#include "lib/util/util_net.h" |
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/* the range of ports to try for dcerpc over tcp endpoints */ |
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-#define SERVER_TCP_LOW_PORT 1024 |
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-#define SERVER_TCP_HIGH_PORT 1300 |
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+#define SERVER_TCP_LOW_PORT 49152 |
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+#define SERVER_TCP_HIGH_PORT 65535 |
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/* size of listen() backlog in smbd */ |
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#define SERVER_LISTEN_BACKLOG 10 |
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-- |
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2.11.0 |
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From a48a358caa69d42191f285c1b28ba52b00d4e230 Mon Sep 17 00:00:00 2001 |
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From: Andreas Schneider <asn@samba.org> |
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Date: Mon, 16 Jan 2017 12:05:09 +0100 |
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Subject: [PATCH 2/2] rpc_server: Allow to configure the port range for RPC |
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services |
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BUG: https://bugzilla.samba.org/show_bug.cgi?id=12521 |
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Pair-Programmed-With: Stefan Metzmacher <metze@samba.org> |
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Signed-off-by: Andreas Schneider <asn@samba.org> |
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Signed-off-by: Stefan Metzmacher <metze@samba.org> |
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(cherry picked from commit 9d60ad53b809281a5a6f6ad82a0daea99c989f2d) |
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--- |
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docs-xml/smbdotconf/protocol/rpcserverport.xml | 14 +++++-- |
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.../smbdotconf/rpc/rpcserverdynamicportrange.xml | 22 ++++++++++ |
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lib/param/loadparm.c | 47 ++++++++++++++++++++++ |
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lib/param/loadparm.h | 9 ++++- |
| 74 |
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lib/param/param.h | 3 ++ |
| 75 |
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python/samba/tests/docs.py | 11 +++-- |
| 76 |
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source3/include/proto.h | 2 + |
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source3/param/loadparm.c | 16 ++++++++ |
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source3/rpc_server/rpc_server.c | 5 +-- |
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source4/smbd/service_stream.c | 8 ++-- |
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10 files changed, 120 insertions(+), 17 deletions(-) |
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create mode 100644 docs-xml/smbdotconf/rpc/rpcserverdynamicportrange.xml |
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diff --git a/docs-xml/smbdotconf/protocol/rpcserverport.xml b/docs-xml/smbdotconf/protocol/rpcserverport.xml |
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index 8a70835612f..0fd87d69212 100644 |
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--- a/docs-xml/smbdotconf/protocol/rpcserverport.xml |
| 86 |
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+++ b/docs-xml/smbdotconf/protocol/rpcserverport.xml |
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@@ -4,11 +4,19 @@ |
| 88 |
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xmlns:samba="http://www.samba.org/samba/DTD/samba-doc"> |
| 89 |
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<description> |
| 90 |
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<para>Specifies which port the server should listen on for DCE/RPC over TCP/IP traffic.</para> |
| 91 |
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- <para>This controls default port for all protocols, except for NETLOGON. If unset, the first available port after 1024 is used.</para> |
| 92 |
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- <para>The NETLOGON server will use the next available port, eg 1025. To change this port use (eg) rpc server port:netlogon = 4000.</para> |
| 93 |
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+ <para>This controls the default port for all protocols, except for NETLOGON.</para> |
| 94 |
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+ <para>If unset, the first available port from <smbconfoption name="rpc server dynamic port range"/> is used, e.g. 49152.</para> |
| 95 |
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+ <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> |
| 96 |
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<para>Furthermore, all RPC servers can have the port they use specified independenty, with (for example) rpc server port:drsuapi = 5000.</para> |
| 97 |
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| 98 |
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+ <para>This option applies currently only when |
| 99 |
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+ <citerefentry><refentrytitle>samba</refentrytitle> <manvolnum>8</manvolnum></citerefentry> |
| 100 |
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+ runs as an active directory domain controller.</para> |
| 101 |
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+ |
| 102 |
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+ <para>The default value 0 causes Samba to select the first available port from <smbconfoption name="rpc server dynamic port range"/>.</para> |
| 103 |
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</description> |
| 104 |
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-<para>The default value 0 causes Samba to select the first available port after 1024.</para> |
| 105 |
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+ |
| 106 |
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+<related>rpc server dynamic port range</related> |
| 107 |
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+ |
| 108 |
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<value type="default">0</value> |
| 109 |
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</samba:parameter> |
| 110 |
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diff --git a/docs-xml/smbdotconf/rpc/rpcserverdynamicportrange.xml b/docs-xml/smbdotconf/rpc/rpcserverdynamicportrange.xml |
| 111 |
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new file mode 100644 |
| 112 |
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index 00000000000..a9c51d2fe41 |
| 113 |
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--- /dev/null |
| 114 |
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+++ b/docs-xml/smbdotconf/rpc/rpcserverdynamicportrange.xml |
| 115 |
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@@ -0,0 +1,22 @@ |
| 116 |
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+<samba:parameter name="rpc server dynamic port range" |
| 117 |
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+ context="G" |
| 118 |
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+ type="string" |
| 119 |
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+ handler="handle_rpc_server_dynamic_port_range" |
| 120 |
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+ xmlns:samba="http://www.samba.org/samba/DTD/samba-doc"> |
| 121 |
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+<description> |
| 122 |
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+ <para> |
| 123 |
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+ This parameter tells the RPC server which port range it is |
| 124 |
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+ allowed to use to create a listening socket for LSA, SAM, |
| 125 |
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+ Netlogon and others without wellknown tcp ports. |
| 126 |
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+ The first value is the lowest number of the port |
| 127 |
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+ range and the second the hightest. |
| 128 |
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+ </para> |
| 129 |
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+ <para> |
| 130 |
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+ This applies to RPC servers in all server roles. |
| 131 |
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+ </para> |
| 132 |
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+</description> |
| 133 |
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+ |
| 134 |
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+<related>rpc server port</related> |
| 135 |
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+ |
| 136 |
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+<value type="default">49152-65535</value> |
| 137 |
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+</samba:parameter> |
| 138 |
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diff --git a/lib/param/loadparm.c b/lib/param/loadparm.c |
| 139 |
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index 6aa757f7c6b..3b54ff232aa 100644 |
| 140 |
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--- a/lib/param/loadparm.c |
| 141 |
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+++ b/lib/param/loadparm.c |
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@@ -83,6 +83,16 @@ struct loadparm_service *lpcfg_default_service(struct loadparm_context *lp_ctx) |
| 143 |
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return lp_ctx->sDefault; |
| 144 |
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} |
| 145 |
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| 146 |
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+int lpcfg_rpc_low_port(struct loadparm_context *lp_ctx) |
| 147 |
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+{ |
| 148 |
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+ return lp_ctx->globals->rpc_low_port; |
| 149 |
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+} |
| 150 |
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+ |
| 151 |
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+int lpcfg_rpc_high_port(struct loadparm_context *lp_ctx) |
| 152 |
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+{ |
| 153 |
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+ return lp_ctx->globals->rpc_high_port; |
| 154 |
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+} |
| 155 |
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+ |
| 156 |
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/** |
| 157 |
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* Convenience routine to grab string parameters into temporary memory |
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* and run standard_sub_basic on them. |
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@@ -1435,6 +1445,37 @@ bool handle_smb_ports(struct loadparm_context *lp_ctx, struct loadparm_service * |
| 160 |
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return true; |
| 161 |
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} |
| 162 |
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| 163 |
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+bool handle_rpc_server_dynamic_port_range(struct loadparm_context *lp_ctx, |
| 164 |
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+ struct loadparm_service *service, |
| 165 |
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+ const char *pszParmValue, |
| 166 |
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+ char **ptr) |
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+{ |
| 168 |
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+ int low_port = -1, high_port = -1; |
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+ int rc; |
| 170 |
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+ |
| 171 |
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+ if (pszParmValue == NULL || pszParmValue[0] == '\0') { |
| 172 |
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+ return false; |
| 173 |
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+ } |
| 174 |
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+ |
| 175 |
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+ rc = sscanf(pszParmValue, "%d - %d", &low_port, &high_port); |
| 176 |
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+ if (rc != 2) { |
| 177 |
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+ return false; |
| 178 |
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+ } |
| 179 |
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+ |
| 180 |
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+ if (low_port > high_port) { |
| 181 |
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+ return false; |
| 182 |
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+ } |
| 183 |
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+ |
| 184 |
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+ if (low_port < SERVER_TCP_PORT_MIN|| high_port > SERVER_TCP_PORT_MAX) { |
| 185 |
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+ return false; |
| 186 |
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+ } |
| 187 |
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+ |
| 188 |
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+ lp_ctx->globals->rpc_low_port = low_port; |
| 189 |
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+ lp_ctx->globals->rpc_high_port = high_port; |
| 190 |
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+ |
| 191 |
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+ return true; |
| 192 |
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+} |
| 193 |
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+ |
| 194 |
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bool handle_smb2_max_credits(struct loadparm_context *lp_ctx, |
| 195 |
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struct loadparm_service *service, |
| 196 |
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const char *pszParmValue, char **ptr) |
| 197 |
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@@ -2498,6 +2539,8 @@ struct loadparm_context *loadparm_init(TALLOC_CTX *mem_ctx) |
| 198 |
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lp_ctx->globals = talloc_zero(lp_ctx, struct loadparm_global); |
| 199 |
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/* This appears odd, but globals in s3 isn't a pointer */ |
| 200 |
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lp_ctx->globals->ctx = lp_ctx->globals; |
| 201 |
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+ lp_ctx->globals->rpc_low_port = SERVER_TCP_LOW_PORT; |
| 202 |
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+ lp_ctx->globals->rpc_high_port = SERVER_TCP_HIGH_PORT; |
| 203 |
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lp_ctx->sDefault = talloc_zero(lp_ctx, struct loadparm_service); |
| 204 |
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lp_ctx->flags = talloc_zero_array(lp_ctx, unsigned int, num_parameters()); |
| 205 |
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| 206 |
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@@ -2902,6 +2945,10 @@ struct loadparm_context *loadparm_init(TALLOC_CTX *mem_ctx) |
| 207 |
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| 208 |
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lpcfg_do_global_parameter(lp_ctx, "kerberos encryption types", "all"); |
| 209 |
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| 210 |
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+ lpcfg_do_global_parameter(lp_ctx, |
| 211 |
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+ "rpc server dynamic port range", |
| 212 |
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+ "49152-65535"); |
| 213 |
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+ |
| 214 |
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/* Allow modules to adjust defaults */ |
| 215 |
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for (defaults_hook = defaults_hooks; defaults_hook; |
| 216 |
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defaults_hook = defaults_hook->next) { |
| 217 |
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diff --git a/lib/param/loadparm.h b/lib/param/loadparm.h |
| 218 |
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index f9fb7d8d804..c63683d6b66 100644 |
| 219 |
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--- a/lib/param/loadparm.h |
| 220 |
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+++ b/lib/param/loadparm.h |
| 221 |
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@@ -194,6 +194,11 @@ enum printing_types {PRINT_BSD,PRINT_SYSV,PRINT_AIX,PRINT_HPUX, |
| 222 |
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#endif /* DEVELOPER */ |
| 223 |
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}; |
| 224 |
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| 225 |
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+#define SERVER_TCP_LOW_PORT 49152 |
| 226 |
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+#define SERVER_TCP_HIGH_PORT 65535 |
| 227 |
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+ |
| 228 |
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+#define SERVER_TCP_PORT_MIN 1024 |
| 229 |
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+#define SERVER_TCP_PORT_MAX 65535 |
| 230 |
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| 231 |
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| 232 |
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| 233 |
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@@ -272,7 +277,9 @@ enum inheritowner_options { |
| 234 |
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#define LOADPARM_EXTRA_GLOBALS \ |
| 235 |
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struct parmlist_entry *param_opt; \ |
| 236 |
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char *dnsdomain; \ |
| 237 |
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- char *realm_original; |
| 238 |
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+ char *realm_original; \ |
| 239 |
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+ int rpc_low_port; \ |
| 240 |
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+ int rpc_high_port; |
| 241 |
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| 242 |
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const char* server_role_str(uint32_t role); |
| 243 |
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int lp_find_server_role(int server_role, int security, int domain_logons, int domain_master); |
| 244 |
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diff --git a/lib/param/param.h b/lib/param/param.h |
| 245 |
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index 66037e2ef1b..e123e67a990 100644 |
| 246 |
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--- a/lib/param/param.h |
| 247 |
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+++ b/lib/param/param.h |
| 248 |
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@@ -313,6 +313,9 @@ void lpcfg_default_kdc_policy(struct loadparm_context *lp_ctx, |
| 249 |
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time_t *usr_tkt_lifetime, |
| 250 |
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time_t *renewal_lifetime); |
| 251 |
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| 252 |
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+int lpcfg_rpc_port_low(struct loadparm_context *lp_ctx); |
| 253 |
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+int lpcfg_rpc_port_high(struct loadparm_context *lp_ctx); |
| 254 |
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+ |
| 255 |
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/* The following definitions come from lib/version.c */ |
| 256 |
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| 257 |
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const char *samba_version_string(void); |
| 258 |
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diff --git a/python/samba/tests/docs.py b/python/samba/tests/docs.py |
| 259 |
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index 22e022583f6..65df573a350 100644 |
| 260 |
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--- a/python/samba/tests/docs.py |
| 261 |
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+++ b/python/samba/tests/docs.py |
| 262 |
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@@ -108,7 +108,7 @@ class SmbDotConfTests(TestCase): |
| 263 |
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'lprm command', 'lpq command', 'print command', 'template homedir', |
| 264 |
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'spoolss: os_major', 'spoolss: os_minor', 'spoolss: os_build', |
| 265 |
|
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'max open files', 'fss: prune stale', 'fss: sequence timeout', |
| 266 |
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- 'include system krb5 conf']) |
| 267 |
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+ 'include system krb5 conf', 'rpc server dynamic port range']) |
| 268 |
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|
|
| 269 |
|
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def setUp(self): |
| 270 |
|
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super(SmbDotConfTests, self).setUp() |
| 271 |
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@@ -162,14 +162,16 @@ class SmbDotConfTests(TestCase): |
| 272 |
|
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exceptions = ['client lanman auth', |
| 273 |
|
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'client plaintext auth', |
| 274 |
|
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'registry shares', |
| 275 |
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- 'smb ports']) |
| 276 |
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+ 'smb ports', |
| 277 |
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+ 'rpc server dynamic port range']) |
| 278 |
|
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self._test_empty(['bin/testparm']) |
| 279 |
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| 280 |
|
|
def test_default_s4(self): |
| 281 |
|
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self._test_default(['bin/samba-tool', 'testparm']) |
| 282 |
|
|
self._set_defaults(['bin/samba-tool', 'testparm']) |
| 283 |
|
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self._set_arbitrary(['bin/samba-tool', 'testparm'], |
| 284 |
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- exceptions = ['smb ports']) |
| 285 |
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+ exceptions = ['smb ports', |
| 286 |
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+ 'rpc server dynamic port range']) |
| 287 |
|
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self._test_empty(['bin/samba-tool', 'testparm']) |
| 288 |
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| 289 |
|
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def _test_default(self, program): |
| 290 |
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@@ -178,6 +180,7 @@ class SmbDotConfTests(TestCase): |
| 291 |
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| 292 |
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for tuples in self.defaults: |
| 293 |
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param, default, context, param_type = tuples |
| 294 |
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+ |
| 295 |
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if param in self.special_cases: |
| 296 |
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continue |
| 297 |
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section = None |
| 298 |
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@@ -206,7 +209,7 @@ class SmbDotConfTests(TestCase): |
| 299 |
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for tuples in self.defaults: |
| 300 |
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param, default, context, param_type = tuples |
| 301 |
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| 302 |
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- if param in ['printing']: |
| 303 |
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+ if param in ['printing', 'rpc server dynamic port range']: |
| 304 |
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continue |
| 305 |
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| 306 |
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section = None |
| 307 |
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diff --git a/source3/include/proto.h b/source3/include/proto.h |
| 308 |
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|
index 642900ed67c..b3d3ca0e5d1 100644 |
| 309 |
|
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--- a/source3/include/proto.h |
| 310 |
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+++ b/source3/include/proto.h |
| 311 |
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@@ -889,6 +889,8 @@ int lp_client_ipc_signing(void); |
| 312 |
|
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int lp_smb2_max_credits(void); |
| 313 |
|
|
int lp_cups_encrypt(void); |
| 314 |
|
|
bool lp_widelinks(int ); |
| 315 |
|
|
+int lp_rpc_low_port(void); |
| 316 |
|
|
+int lp_rpc_high_port(void); |
| 317 |
|
|
|
| 318 |
|
|
int lp_wi_scan_global_parametrics( |
| 319 |
|
|
const char *regex, size_t max_matches, |
| 320 |
|
|
diff --git a/source3/param/loadparm.c b/source3/param/loadparm.c |
| 321 |
|
|
index d8da749ccba..2c8380067f6 100644 |
| 322 |
|
|
--- a/source3/param/loadparm.c |
| 323 |
|
|
+++ b/source3/param/loadparm.c |
| 324 |
|
|
@@ -933,6 +933,12 @@ static void init_globals(struct loadparm_context *lp_ctx, bool reinit_globals) |
| 325 |
|
|
|
| 326 |
|
|
Globals.aio_max_threads = 100; |
| 327 |
|
|
|
| 328 |
|
|
+ lpcfg_string_set(Globals.ctx, |
| 329 |
|
|
+ &Globals.rpc_server_dynamic_port_range, |
| 330 |
|
|
+ "49152-65535"); |
| 331 |
|
|
+ Globals.rpc_low_port = SERVER_TCP_LOW_PORT; |
| 332 |
|
|
+ Globals.rpc_high_port = SERVER_TCP_HIGH_PORT; |
| 333 |
|
|
+ |
| 334 |
|
|
/* Now put back the settings that were set with lp_set_cmdline() */ |
| 335 |
|
|
apply_lp_set_cmdline(); |
| 336 |
|
|
} |
| 337 |
|
|
@@ -4552,6 +4558,16 @@ int lp_client_ipc_signing(void) |
| 338 |
|
|
return client_ipc_signing; |
| 339 |
|
|
} |
| 340 |
|
|
|
| 341 |
|
|
+int lp_rpc_low_port(void) |
| 342 |
|
|
+{ |
| 343 |
|
|
+ return Globals.rpc_low_port; |
| 344 |
|
|
+} |
| 345 |
|
|
+ |
| 346 |
|
|
+int lp_rpc_high_port(void) |
| 347 |
|
|
+{ |
| 348 |
|
|
+ return Globals.rpc_high_port; |
| 349 |
|
|
+} |
| 350 |
|
|
+ |
| 351 |
|
|
struct loadparm_global * get_globals(void) |
| 352 |
|
|
{ |
| 353 |
|
|
return &Globals; |
| 354 |
|
|
diff --git a/source3/rpc_server/rpc_server.c b/source3/rpc_server/rpc_server.c |
| 355 |
|
|
index 37fe68fc36d..f7fb8ef5207 100644 |
| 356 |
|
|
--- a/source3/rpc_server/rpc_server.c |
| 357 |
|
|
+++ b/source3/rpc_server/rpc_server.c |
| 358 |
|
|
@@ -34,9 +34,6 @@ |
| 359 |
|
|
#include "rpc_server/srv_pipe_hnd.h" |
| 360 |
|
|
#include "rpc_server/srv_pipe.h" |
| 361 |
|
|
|
| 362 |
|
|
-#define SERVER_TCP_LOW_PORT 49152 |
| 363 |
|
|
-#define SERVER_TCP_HIGH_PORT 65535 |
| 364 |
|
|
- |
| 365 |
|
|
/* Creates a pipes_struct and initializes it with the information |
| 366 |
|
|
* sent from the client */ |
| 367 |
|
|
int make_server_pipes_struct(TALLOC_CTX *mem_ctx, |
| 368 |
|
|
@@ -608,7 +605,7 @@ int create_tcpip_socket(const struct sockaddr_storage *ifss, uint16_t *port) |
| 369 |
|
|
if (*port == 0) { |
| 370 |
|
|
uint16_t i; |
| 371 |
|
|
|
| 372 |
|
|
- for (i = SERVER_TCP_LOW_PORT; i <= SERVER_TCP_HIGH_PORT; i++) { |
| 373 |
|
|
+ for (i = lp_rpc_low_port(); i <= lp_rpc_high_port(); i++) { |
| 374 |
|
|
fd = open_socket_in(SOCK_STREAM, |
| 375 |
|
|
i, |
| 376 |
|
|
0, |
| 377 |
|
|
diff --git a/source4/smbd/service_stream.c b/source4/smbd/service_stream.c |
| 378 |
|
|
index 96a303fc6a9..deb96d8d69d 100644 |
| 379 |
|
|
--- a/source4/smbd/service_stream.c |
| 380 |
|
|
+++ b/source4/smbd/service_stream.c |
| 381 |
|
|
@@ -29,10 +29,6 @@ |
| 382 |
|
|
#include "../lib/tsocket/tsocket.h" |
| 383 |
|
|
#include "lib/util/util_net.h" |
| 384 |
|
|
|
| 385 |
|
|
-/* the range of ports to try for dcerpc over tcp endpoints */ |
| 386 |
|
|
-#define SERVER_TCP_LOW_PORT 49152 |
| 387 |
|
|
-#define SERVER_TCP_HIGH_PORT 65535 |
| 388 |
|
|
- |
| 389 |
|
|
/* size of listen() backlog in smbd */ |
| 390 |
|
|
#define SERVER_LISTEN_BACKLOG 10 |
| 391 |
|
|
|
| 392 |
|
|
@@ -331,7 +327,9 @@ NTSTATUS stream_setup_socket(TALLOC_CTX *mem_ctx, |
| 393 |
|
|
if (!port) { |
| 394 |
|
|
status = socket_listen(stream_socket->sock, socket_address, SERVER_LISTEN_BACKLOG, 0); |
| 395 |
|
|
} else if (*port == 0) { |
| 396 |
|
|
- for (i=SERVER_TCP_LOW_PORT;i<= SERVER_TCP_HIGH_PORT;i++) { |
| 397 |
|
|
+ for (i = lpcfg_rpc_low_port(lp_ctx); |
| 398 |
|
|
+ i <= lpcfg_rpc_high_port(lp_ctx); |
| 399 |
|
|
+ i++) { |
| 400 |
|
|
socket_address->port = i; |
| 401 |
|
|
status = socket_listen(stream_socket->sock, socket_address, |
| 402 |
|
|
SERVER_LISTEN_BACKLOG, 0); |
| 403 |
|
|
-- |
| 404 |
|
|
2.11.0 |
| 405 |
|
|
|
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