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135 lines
3.2 KiB
135 lines
3.2 KiB
Index: smallapp/unbound-host.c
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===================================================================
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--- smallapp/unbound-host.c (revision 2115)
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+++ smallapp/unbound-host.c (working copy)
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@@ -62,9 +62,18 @@
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#include "libunbound/unbound.h"
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#include <ldns/ldns.h>
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+/** status variable ala nagios */
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+#define FINAL_STATUS_OK 0
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+#define FINAL_STATUS_WARNING 1
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+#define FINAL_STATUS_CRITICAL 2
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+#define FINAL_STATUS_UNKNOWN 3
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+
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/** verbosity for unbound-host app */
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static int verb = 0;
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+/** variable to determine final output */
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+static int final_status = FINAL_STATUS_UNKNOWN;
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+
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/** Give unbound-host usage, and exit (1). */
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static void
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usage()
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@@ -93,7 +102,7 @@
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printf("Version %s\n", PACKAGE_VERSION);
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printf("BSD licensed, see LICENSE in source package for details.\n");
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printf("Report bugs to %s\n", PACKAGE_BUGREPORT);
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- exit(1);
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+ exit(FINAL_STATUS_UNKNOWN);
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}
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/** determine if str is ip4 and put into reverse lookup format */
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@@ -138,7 +147,7 @@
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*res = strdup(buf);
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if(!*res) {
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fprintf(stderr, "error: out of memory\n");
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- exit(1);
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+ exit(FINAL_STATUS_UNKNOWN);
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}
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return 1;
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}
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@@ -158,7 +167,7 @@
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}
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if(!res) {
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fprintf(stderr, "error: out of memory\n");
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- exit(1);
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+ exit(FINAL_STATUS_UNKNOWN);
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}
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return res;
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}
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@@ -172,7 +181,7 @@
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if(r == 0 && strcasecmp(t, "TYPE0") != 0 &&
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strcmp(t, "") != 0) {
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fprintf(stderr, "error unknown type %s\n", t);
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- exit(1);
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+ exit(FINAL_STATUS_UNKNOWN);
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}
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return r;
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}
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@@ -191,7 +200,7 @@
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if(r == 0 && strcasecmp(c, "CLASS0") != 0 &&
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strcmp(c, "") != 0) {
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fprintf(stderr, "error unknown class %s\n", c);
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- exit(1);
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+ exit(FINAL_STATUS_UNKNOWN);
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}
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return r;
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}
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@@ -207,6 +216,19 @@
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return "(insecure)";
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}
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+/** update the final status for the exit code */
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+void
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+update_final_status(struct ub_result* result)
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+{
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+ if (final_status == FINAL_STATUS_UNKNOWN || final_status == FINAL_STATUS_OK) {
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+ if (result->secure) final_status = FINAL_STATUS_OK;
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+ else if (result->bogus) final_status = FINAL_STATUS_CRITICAL;
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+ else final_status = FINAL_STATUS_WARNING;
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+ }
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+ else if (final_status == FINAL_STATUS_WARNING && result->bogus)
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+ final_status = FINAL_STATUS_CRITICAL;
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+}
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+
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/** nice string for type */
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static void
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pretty_type(char* s, size_t len, int t)
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@@ -353,7 +375,7 @@
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} else {
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fprintf(stderr, "could not parse "
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"reply packet to ANY query\n");
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- exit(1);
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+ exit(FINAL_STATUS_UNKNOWN);
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}
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ldns_pkt_free(p);
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@@ -388,9 +410,10 @@
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ret = ub_resolve(ctx, q, t, c, &result);
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if(ret != 0) {
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fprintf(stderr, "resolve error: %s\n", ub_strerror(ret));
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- exit(1);
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+ exit(FINAL_STATUS_UNKNOWN);
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}
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pretty_output(q, t, c, result, docname);
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+ update_final_status(result);
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ret = result->nxdomain;
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ub_resolve_free(result);
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return ret;
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@@ -427,7 +450,7 @@
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{
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if(r != 0) {
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fprintf(stderr, "error: %s\n", ub_strerror(r));
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- exit(1);
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+ exit(FINAL_STATUS_UNKNOWN);
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}
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}
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@@ -448,7 +471,7 @@
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ctx = ub_ctx_create();
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if(!ctx) {
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fprintf(stderr, "error: out of memory\n");
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- exit(1);
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+ exit(FINAL_STATUS_UNKNOWN);
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}
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/* parse the options */
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@@ -509,5 +532,5 @@
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usage();
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lookup(ctx, argv[0], qtype, qclass);
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- return 0;
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+ return final_status;
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}
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