From ada578323291eb51cc9524b4e07963e330b54c1d Mon Sep 17 00:00:00 2001
From: Uros Majstorovic <majstor@majstor.org>
Date: Tue, 7 May 2024 22:19:24 +0200
Subject: reload acl list on SIGUSR1

---
 ecp/server/sig.c | 61 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 ecp/server/sig.c

(limited to 'ecp/server/sig.c')

diff --git a/ecp/server/sig.c b/ecp/server/sig.c
new file mode 100644
index 0000000..09593d3
--- /dev/null
+++ b/ecp/server/sig.c
@@ -0,0 +1,61 @@
+#include <stdlib.h>
+#include <unistd.h>
+#include <signal.h>
+
+#include <ecp/core.h>
+#include <ecp/dir/dir.h>
+
+#include "server.h"
+#include "acl.h"
+#include "sig.h"
+
+static pthread_t sig_handler_thd;
+static sigset_t sig_set;
+
+static void * _sig_handler(void *arg) {
+    sigset_t *set = arg;
+    int rv, sig;
+
+    while (1) {
+        rv = sigwait(set, &sig);
+        if (rv) {
+            LOG(LOG_ERR, "sig_handler: sigwait err:%d\n", rv);
+            continue;
+        }
+        switch (sig) {
+            case SIGUSR1: {
+                rv = acl_load();
+                if (rv) {
+                    LOG(LOG_ERR, "sig_handler: acl load err:%d\n", rv);
+                    continue;
+                }
+                LOG(LOG_DEBUG, "sig_handler: acl reloaded\n");
+                break;
+            }
+        }
+    }
+
+    return NULL;
+}
+
+int sig_start_handler(void) {
+    int rv;
+
+    rv = pthread_create(&sig_handler_thd, NULL, &_sig_handler, (void *)&sig_set);
+    if (rv) return ECP_ERR;
+    return ECP_OK;
+
+}
+
+int sig_init(void) {
+    int rv;
+
+    sigemptyset(&sig_set);
+    sigaddset(&sig_set, SIGUSR1);
+
+    rv = pthread_sigmask(SIG_BLOCK, &sig_set, NULL);
+    if (rv) return ECP_ERR;
+
+    return ECP_OK;
+}
+
-- 
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