1 files changed, 45 insertions, 0 deletions
diff --git a/src/netreport.c b/src/netreport.c
new file mode 100644
index 00000000..56088ec1
--- /dev/null
+++ b/src/netreport.c
@@ -0,0 +1,45 @@
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+/* this will be running setgid root, so be careful! */
+
+void usage(void) {
+    fprintf(stderr, "usage: netreport [-r]\n");
+    exit(1);
+}
+
+#define ADD 1
+#define DEL 0
+int main(int argc, char ** argv) {
+    int action = ADD;
+    /* more than long enough for "/var/run/netreport/<pid>\0" */
+    char netreport_name[64];
+    int  netreport_file;
+
+    if (argc > 2) usage();
+
+    if ((argc > 1) && !strcmp(argv[1], "-r")) {
+	action = DEL;
+    }
+
+    sprintf(netreport_name, "/var/run/netreport/%d", getppid());
+    if (action == ADD) {
+	netreport_file = creat(netreport_name, 0);
+	if (netreport_file < 0) {
+	    if (errno != EEXIST) {
+		perror("Could not create netreport file");
+		exit (1);
+	    }
+	} else {
+	    close(netreport_file);
+	}
+    } else {
+	/* ignore errors; not much we can do, won't hurt anything */
+	unlink(netreport_name);
+    }
+
+    exit(0);
+}