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-rw-r--r--source3/nmbd/nmbd.c14
-rw-r--r--source3/smbd/server.c14
-rw-r--r--source3/winbindd/winbindd.c15
3 files changed, 40 insertions, 3 deletions
diff --git a/source3/nmbd/nmbd.c b/source3/nmbd/nmbd.c
index 12afb00993..42e2b2f6ff 100644
--- a/source3/nmbd/nmbd.c
+++ b/source3/nmbd/nmbd.c
@@ -130,8 +130,20 @@ static bool nmbd_setup_stdin_handler(struct messaging_context *msg, bool foregro
/* if we are running in the foreground then look for
EOF on stdin, and exit if it happens. This allows
us to die if the parent process dies
+ Only do this on a pipe or socket, no other device.
*/
- tevent_add_fd(nmbd_event_context(), nmbd_event_context(), 0, TEVENT_FD_READ, nmbd_stdin_handler, msg);
+ struct stat st;
+ if (fstat(0, &st) != 0) {
+ return false;
+ }
+ if (S_ISFIFO(st.st_mode) || S_ISSOCK(st.st_mode)) {
+ tevent_add_fd(nmbd_event_context(),
+ nmbd_event_context(),
+ 0,
+ TEVENT_FD_READ,
+ nmbd_stdin_handler,
+ msg);
+ }
}
return true;
diff --git a/source3/smbd/server.c b/source3/smbd/server.c
index f07bd28fb4..d3cd33ec90 100644
--- a/source3/smbd/server.c
+++ b/source3/smbd/server.c
@@ -1558,8 +1558,20 @@ extern void build_options(bool screen);
/* if we are running in the foreground then look for
EOF on stdin, and exit if it happens. This allows
us to die if the parent process dies
+ Only do this on a pipe or socket, no other device.
*/
- tevent_add_fd(ev_ctx, parent, 0, TEVENT_FD_READ, smbd_stdin_handler, NULL);
+ struct stat st;
+ if (fstat(0, &st) != 0) {
+ return false;
+ }
+ if (S_ISFIFO(st.st_mode) || S_ISSOCK(st.st_mode)) {
+ tevent_add_fd(ev_ctx,
+ parent,
+ 0,
+ TEVENT_FD_READ,
+ smbd_stdin_handler,
+ NULL);
+ }
}
smbd_parent_loop(ev_ctx, parent);
diff --git a/source3/winbindd/winbindd.c b/source3/winbindd/winbindd.c
index 7a0700dffa..141ca5c7c5 100644
--- a/source3/winbindd/winbindd.c
+++ b/source3/winbindd/winbindd.c
@@ -308,6 +308,8 @@ bool winbindd_setup_stdin_handler(bool parent, bool foreground)
bool *is_parent;
if (foreground) {
+ struct stat st;
+
is_parent = talloc(winbind_event_context(), bool);
if (!is_parent) {
return false;
@@ -318,8 +320,19 @@ bool winbindd_setup_stdin_handler(bool parent, bool foreground)
/* if we are running in the foreground then look for
EOF on stdin, and exit if it happens. This allows
us to die if the parent process dies
+ Only do this on a pipe or socket, no other device.
*/
- tevent_add_fd(winbind_event_context(), is_parent, 0, TEVENT_FD_READ, winbindd_stdin_handler, is_parent);
+ if (fstat(0, &st) != 0) {
+ return false;
+ }
+ if (S_ISFIFO(st.st_mode) || S_ISSOCK(st.st_mode)) {
+ tevent_add_fd(winbind_event_context(),
+ is_parent,
+ 0,
+ TEVENT_FD_READ,
+ winbindd_stdin_handler,
+ is_parent);
+ }
}
return true;