[PATCH libxtrans] Add TRANS(Listen) function to re-enable specific listen sockets
Keith Packard
keithp at keithp.com
Fri Sep 12 11:33:12 PDT 2014
This will allow a server to disable listeners by default and then
let later configuration re-enable them. In particular, this lets the X
server disable inet and unix listen sockets by default while still
providing a '-listen' command line option to re-enable them later on.
Signed-off-by: Keith Packard <keithp at keithp.com>
---
Xtrans.c | 25 +++++++++++++++++++++++++
Xtrans.h | 4 ++++
2 files changed, 29 insertions(+)
diff --git a/Xtrans.c b/Xtrans.c
index 2880803..bfba1ad 100644
--- a/Xtrans.c
+++ b/Xtrans.c
@@ -804,6 +804,31 @@ TRANS(NoListen) (const char * protocol)
}
int
+TRANS(Listen) (const char * protocol)
+{
+ Xtransport *trans;
+ int i = 0, ret = 0;
+
+ if ((trans = TRANS(SelectTransport)(protocol)) == NULL)
+ {
+ prmsg (1,"TransListen: unable to find transport: %s\n",
+ protocol);
+
+ return -1;
+ }
+ if (trans->flags & TRANS_ALIAS) {
+ if (trans->nolisten)
+ while (trans->nolisten[i]) {
+ ret |= TRANS(Listen)(trans->nolisten[i]);
+ i++;
+ }
+ }
+
+ trans->flags &= ~TRANS_NOLISTEN;
+ return ret;
+}
+
+int
TRANS(IsListening) (const char * protocol)
{
Xtransport *trans;
diff --git a/Xtrans.h b/Xtrans.h
index 6decc6b..026fbd7 100644
--- a/Xtrans.h
+++ b/Xtrans.h
@@ -311,6 +311,10 @@ int TRANS(NoListen) (
const char* /* protocol*/
);
+int TRANS(Listen) (
+ const char* /* protocol*/
+);
+
int TRANS(IsListening) (
const char* /* protocol*/
);
--
2.1.0
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