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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 ++++- |
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lib/param/param.h | 3 ++ |
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python/samba/tests/docs.py | 11 +++-- |
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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 |
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+++ b/docs-xml/smbdotconf/protocol/rpcserverport.xml |
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@@ -4,11 +4,19 @@ |
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xmlns:samba="http://www.samba.org/samba/DTD/samba-doc"> |
89 |
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<description> |
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<para>Specifies which port the server should listen on for DCE/RPC over TCP/IP traffic.</para> |
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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 |
142 |
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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 |
158 |
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* and run standard_sub_basic on them. |
159 |
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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) |
167 |
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+{ |
168 |
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+ int low_port = -1, high_port = -1; |
169 |
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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 |
|
|
'spoolss: os_major', 'spoolss: os_minor', 'spoolss: os_build', |
265 |
|
|
'max open files', 'fss: prune stale', 'fss: sequence timeout', |
266 |
|
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- 'include system krb5 conf']) |
267 |
|
|
+ 'include system krb5 conf', 'rpc server dynamic port range']) |
268 |
|
|
|
269 |
|
|
def setUp(self): |
270 |
|
|
super(SmbDotConfTests, self).setUp() |
271 |
|
|
@@ -162,14 +162,16 @@ class SmbDotConfTests(TestCase): |
272 |
|
|
exceptions = ['client lanman auth', |
273 |
|
|
'client plaintext auth', |
274 |
|
|
'registry shares', |
275 |
|
|
- 'smb ports']) |
276 |
|
|
+ 'smb ports', |
277 |
|
|
+ 'rpc server dynamic port range']) |
278 |
|
|
self._test_empty(['bin/testparm']) |
279 |
|
|
|
280 |
|
|
def test_default_s4(self): |
281 |
|
|
self._test_default(['bin/samba-tool', 'testparm']) |
282 |
|
|
self._set_defaults(['bin/samba-tool', 'testparm']) |
283 |
|
|
self._set_arbitrary(['bin/samba-tool', 'testparm'], |
284 |
|
|
- exceptions = ['smb ports']) |
285 |
|
|
+ exceptions = ['smb ports', |
286 |
|
|
+ 'rpc server dynamic port range']) |
287 |
|
|
self._test_empty(['bin/samba-tool', 'testparm']) |
288 |
|
|
|
289 |
|
|
def _test_default(self, program): |
290 |
|
|
@@ -178,6 +180,7 @@ class SmbDotConfTests(TestCase): |
291 |
|
|
|
292 |
|
|
for tuples in self.defaults: |
293 |
|
|
param, default, context, param_type = tuples |
294 |
|
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+ |
295 |
|
|
if param in self.special_cases: |
296 |
|
|
continue |
297 |
|
|
section = None |
298 |
|
|
@@ -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 |
|
|
index 642900ed67c..b3d3ca0e5d1 100644 |
309 |
|
|
--- a/source3/include/proto.h |
310 |
|
|
+++ b/source3/include/proto.h |
311 |
|
|
@@ -889,6 +889,8 @@ int lp_client_ipc_signing(void); |
312 |
|
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int lp_smb2_max_credits(void); |
313 |
|
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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 |
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|
|
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 |
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@@ -933,6 +933,12 @@ static void init_globals(struct loadparm_context *lp_ctx, bool reinit_globals) |
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Globals.aio_max_threads = 100; |
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+ lpcfg_string_set(Globals.ctx, |
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+ &Globals.rpc_server_dynamic_port_range, |
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+ "49152-65535"); |
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+ Globals.rpc_low_port = SERVER_TCP_LOW_PORT; |
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+ Globals.rpc_high_port = SERVER_TCP_HIGH_PORT; |
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+ |
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/* Now put back the settings that were set with lp_set_cmdline() */ |
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apply_lp_set_cmdline(); |
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} |
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@@ -4552,6 +4558,16 @@ int lp_client_ipc_signing(void) |
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return client_ipc_signing; |
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} |
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+int lp_rpc_low_port(void) |
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+{ |
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+ return Globals.rpc_low_port; |
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+} |
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+ |
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+int lp_rpc_high_port(void) |
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+{ |
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+ return Globals.rpc_high_port; |
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+} |
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+ |
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struct loadparm_global * get_globals(void) |
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{ |
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return &Globals; |
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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 37fe68fc36d..f7fb8ef5207 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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@@ -34,9 +34,6 @@ |
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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 49152 |
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-#define SERVER_TCP_HIGH_PORT 65535 |
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- |
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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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int make_server_pipes_struct(TALLOC_CTX *mem_ctx, |
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@@ -608,7 +605,7 @@ int create_tcpip_socket(const struct sockaddr_storage *ifss, uint16_t *port) |
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if (*port == 0) { |
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uint16_t i; |
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- for (i = SERVER_TCP_LOW_PORT; i <= SERVER_TCP_HIGH_PORT; i++) { |
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+ for (i = lp_rpc_low_port(); i <= lp_rpc_high_port(); i++) { |
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fd = open_socket_in(SOCK_STREAM, |
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i, |
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0, |
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diff --git a/source4/smbd/service_stream.c b/source4/smbd/service_stream.c |
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index 96a303fc6a9..deb96d8d69d 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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@@ -29,10 +29,6 @@ |
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#include "../lib/tsocket/tsocket.h" |
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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 49152 |
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-#define SERVER_TCP_HIGH_PORT 65535 |
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- |
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/* size of listen() backlog in smbd */ |
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#define SERVER_LISTEN_BACKLOG 10 |
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@@ -331,7 +327,9 @@ NTSTATUS stream_setup_socket(TALLOC_CTX *mem_ctx, |
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if (!port) { |
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status = socket_listen(stream_socket->sock, socket_address, SERVER_LISTEN_BACKLOG, 0); |
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} else if (*port == 0) { |
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- for (i=SERVER_TCP_LOW_PORT;i<= SERVER_TCP_HIGH_PORT;i++) { |
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+ for (i = lpcfg_rpc_low_port(lp_ctx); |
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+ i <= lpcfg_rpc_high_port(lp_ctx); |
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+ i++) { |
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socket_address->port = i; |
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status = socket_listen(stream_socket->sock, socket_address, |
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SERVER_LISTEN_BACKLOG, 0); |
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-- |
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2.11.0 |
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