backup for notonlink

[project/odhcpd.git] / src / odhcpd.c

diff --git a/src/odhcpd.c b/src/odhcpd.c
index cb84513..bf9f16d 100644 (file)
--- a/src/odhcpd.c
+++ b/src/odhcpd.c
@@ -52,6 +52,7 @@ static int urandom_fd = -1;
 int main()
 {
        openlog("odhcpd", LOG_PERROR | LOG_PID, LOG_DAEMON);
+       setlogmask(LOG_UPTO(LOG_WARNING));
        uloop_init();
 
        if (getuid() != 0) {
@@ -174,7 +175,7 @@ ssize_t odhcpd_send(int socket, struct sockaddr_in6 *dest,
                syslog(LOG_WARNING, "Failed to send to %s%%%s (%s)",
                                ipbuf, iface->ifname, strerror(errno));
        else
-               syslog(LOG_NOTICE, "Sent %li bytes to %s%%%s",
+               syslog(LOG_DEBUG, "Sent %li bytes to %s%%%s",
                                (long)sent, ipbuf, iface->ifname);
        return sent;
 }
@@ -216,7 +217,7 @@ ssize_t odhcpd_get_interface_addresses(int ifindex,
 
                struct ifaddrmsg *ifa = NLMSG_DATA(nhm);
                if (ifa->ifa_scope != RT_SCOPE_UNIVERSE ||
-                               ifa->ifa_index != (unsigned)ifindex)
+                               (ifindex && ifa->ifa_index != (unsigned)ifindex))
                        continue;
 
                struct rtattr *rta = (struct rtattr*)&ifa[1];
@@ -358,8 +359,8 @@ static void odhcpd_receive_packets(struct uloop_fd *u, _unused unsigned int even
                else if (addr.in.sin_family == AF_INET)
                        inet_ntop(AF_INET, &addr.in.sin_addr, ipbuf, sizeof(ipbuf));
 
-               syslog(LOG_NOTICE, "--");
-               syslog(LOG_NOTICE, "Received %li Bytes from %s%%%s", (long)len,
+               syslog(LOG_DEBUG, "--");
+               syslog(LOG_DEBUG, "Received %li Bytes from %s%%%s", (long)len,
                                ipbuf, (iface) ? iface->ifname : "netlink");
 
                e->handle_dgram(&addr, data_buf, len, iface);
@@ -426,3 +427,33 @@ void odhcpd_hexlify(char *dst, const uint8_t *src, size_t len)
        }
        *dst = 0;
 }
+
+
+int odhcpd_bmemcmp(const void *av, const void *bv, size_t bits)
+{
+       const uint8_t *a = av, *b = bv;
+       size_t bytes = bits / 8;
+       bits %= 8;
+
+       int res = memcmp(a, b, bytes);
+       if (res == 0 && bits > 0)
+               res = (a[bytes] >> (8 - bits)) - (b[bytes] >> (8 - bits));
+
+       return res;
+}
+
+
+void odhcpd_bmemcpy(void *av, const void *bv, size_t bits)
+{
+       uint8_t *a = av;
+       const uint8_t *b = bv;
+
+       size_t bytes = bits / 8;
+       bits %= 8;
+       memcpy(a, b, bytes);
+
+       if (bits > 0) {
+               uint8_t mask = (1 << (8 - bits)) - 1;
+               a[bytes] = (a[bytes] & mask) | ((~mask) & b[bytes]);
+       }
+}