Importing all of DRL, including ulogd and all of its files.
[distributedratelimiting.git] / extensions / ulogd_OPRINT.c
diff --git a/extensions/ulogd_OPRINT.c b/extensions/ulogd_OPRINT.c
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+/* ulogd_MAC.c, Version $Revision: 5252 $
+ *
+ * ulogd output target for logging to a file 
+ *
+ * (C) 2000-2001 by Harald Welte <laforge@gnumonks.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
+ *
+ * $Id: ulogd_OPRINT.c 5252 2005-02-14 16:12:49Z laforge $
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ulogd/ulogd.h>
+#include <ulogd/conffile.h>
+
+#ifndef ULOGD_OPRINT_DEFAULT
+#define ULOGD_OPRINT_DEFAULT   "/var/log/ulogd.pktlog"
+#endif
+
+#define NIPQUAD(addr) \
+       ((unsigned char *)&addr)[0], \
+       ((unsigned char *)&addr)[1], \
+        ((unsigned char *)&addr)[2], \
+        ((unsigned char *)&addr)[3]
+
+#define HIPQUAD(addr) \
+        ((unsigned char *)&addr)[3], \
+        ((unsigned char *)&addr)[2], \
+        ((unsigned char *)&addr)[1], \
+        ((unsigned char *)&addr)[0]
+
+static FILE *of = NULL;
+
+static int _output_print(ulog_iret_t *res)
+{
+       ulog_iret_t *ret;
+       
+       fprintf(of, "===>PACKET BOUNDARY\n");
+       for (ret = res; ret; ret = ret->cur_next) {
+               fprintf(of,"%s=", ret->key);
+               switch (ret->type) {
+                       case ULOGD_RET_STRING:
+                               fprintf(of, "%s\n", (char *) ret->value.ptr);
+                               break;
+                       case ULOGD_RET_BOOL:
+                       case ULOGD_RET_INT8:
+                       case ULOGD_RET_INT16:
+                       case ULOGD_RET_INT32:
+                               fprintf(of, "%d\n", ret->value.i32);
+                               break;
+                       case ULOGD_RET_UINT8:
+                       case ULOGD_RET_UINT16:
+                       case ULOGD_RET_UINT32:
+                               fprintf(of, "%u\n", ret->value.ui32);
+                               break;
+                       case ULOGD_RET_IPADDR:
+                               fprintf(of, "%u.%u.%u.%u\n", 
+                                       HIPQUAD(ret->value.ui32));
+                               break;
+                       case ULOGD_RET_NONE:
+                               fprintf(of, "<none>");
+                               break;
+               }
+       }
+       return 0;
+}
+
+static config_entry_t outf_ce = { 
+       .key = "file", 
+       .type = CONFIG_TYPE_STRING, 
+       .options = CONFIG_OPT_NONE,
+       .u = { .string = ULOGD_OPRINT_DEFAULT }
+};
+
+static void sighup_handler_print(int signal)
+{
+
+       switch (signal) {
+       case SIGHUP:
+               ulogd_log(ULOGD_NOTICE, "PKTLOG: reopening logfile\n");
+               fclose(of);
+               of = fopen(outf_ce.u.string, "a");
+               if (!of) {
+                       ulogd_log(ULOGD_FATAL, "can't open PKTLOG: %s\n",
+                               strerror(errno));
+                       exit(2);
+               }
+               break;
+       default:
+               break;
+       }
+}
+
+static int oprint_init(void)
+{
+#ifdef DEBUG
+       of = stdout;
+#else
+       config_parse_file("OPRINT", &outf_ce);
+
+       of = fopen(outf_ce.u.string, "a");
+       if (!of) {
+               ulogd_log(ULOGD_FATAL, "can't open PKTLOG: %s\n", 
+                       strerror(errno));
+               exit(2);
+       }               
+#endif
+       return 0;
+}
+
+static void oprint_fini(void)
+{
+       if (of != stdout)
+               fclose(of);
+
+       return;
+}
+
+static ulog_output_t oprint_op = {
+       .name = "oprint", 
+       .output = &_output_print, 
+       .signal = &sighup_handler_print,
+       .init = &oprint_init,
+       .fini = &oprint_fini,
+};
+
+void _init(void)
+{
+       register_output(&oprint_op);
+}