Importing all of DRL, including ulogd and all of its files.

[distributedratelimiting.git] / extensions / ulogd_LOCAL.c

diff --git a/extensions/ulogd_LOCAL.c b/extensions/ulogd_LOCAL.c
new file mode 100644 (file)
index 0000000..1004586
--- /dev/null
+++ b/extensions/ulogd_LOCAL.c
@@ -0,0 +1,101 @@
+/*  ulogd_LOCAL.c, Version 0.3
+ *
+ *  ulogd interpreter plugin for: - local time of packet
+ *                                - hostname of localhost
+ *
+ *  (C) 2001-2002 by Florent AIDE <faide@alphacent.com>
+ *  with the help of Moez MKADMI <moez.mka@voila.fr>
+ *  shamelessly ripped from Harald Welte
+ *
+ *  2002 extended by Martin Kaehmer <teg@mompl.org>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 
+ *  as published by the Free Software Foundation
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/time.h>
+#include <ulogd/ulogd.h>
+
+#ifdef DEBUG_LOCAL
+#define DEBUGP(x) ulogd_log(ULOGD_DEBUG, x)
+#else
+#define DEBUGP(format, args...)
+#endif
+
+
+static char hostname[255];
+
+static ulog_iret_t *_interp_local(ulog_interpreter_t *ip,
+                                  ulog_packet_msg_t *pkt)
+{
+       struct timeval tv;
+       ulog_iret_t *ret = ip->result;
+
+       /* Get date */
+       gettimeofday(&tv, NULL);
+
+       /* put date */
+       ret[0].value.ui32 = (unsigned long) tv.tv_sec;
+       ret[0].flags |= ULOGD_RETF_VALID;
+
+       ret[1].value.ptr = hostname;
+       ret[1].flags |= ULOGD_RETF_VALID;
+
+       return ret;
+}
+
+static ulog_iret_t local_rets[] = {
+       { .type = ULOGD_RET_UINT32, 
+         .flags = ULOGD_RETF_NONE, 
+         .key = "local.time",
+       },
+       { .type = ULOGD_RET_STRING, 
+         .flags = ULOGD_RETF_NONE, 
+         .key = "local.hostname",
+       },
+};
+
+static ulog_interpreter_t local_ip[] = { 
+    { NULL, "local", 0, &_interp_local, 2, local_rets },
+    { NULL, "", 0, NULL, 0, NULL },
+};
+
+static void _local_reg_ip(void)
+{
+       ulog_interpreter_t *ip = local_ip;
+       ulog_interpreter_t *p;
+
+       for (p = ip; p->interp; p++)
+               register_interpreter(p);
+}
+
+void _init(void)
+{
+       /* get hostname */
+       char *tmp;
+       if (gethostname(hostname, sizeof(hostname)) < 0) {
+               ulogd_log(ULOGD_FATAL, "can't gethostname(): %s\n",
+                         strerror(errno));
+               exit(2);
+       }
+       /* strip off everything after first '.' */
+       if ((tmp = strchr(hostname, '.')))
+               *tmp = '\0';
+
+       _local_reg_ip();
+}