X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/bab54e3e567a7a895c6e3afaf9494660cb41b827..0f328b4aa16b0b47f05a85c440ce1d07719e3cac:/netdissect.c

diff --git a/netdissect.c b/netdissect.c
index 80b6e94d..0215c83b 100644
--- a/netdissect.c
+++ b/netdissect.c
@@ -27,8 +27,9 @@
 #endif
 
 #include <netdissect-stdinc.h>
-
 #include "netdissect.h"
+#include <string.h>
+#include <stdio.h>
 
 #ifdef USE_LIBSMI
 #include <smi.h>
@@ -48,6 +49,7 @@ nd_init(char *errbuf, size_t errbuf_size)
 #ifdef _WIN32
 	WORD wVersionRequested;
 	WSADATA wsaData;
+	int err;
 
 	/*
 	 * Request Winsock 2.2; we expect Winsock 2.
@@ -73,7 +75,7 @@ nd_init(char *errbuf, size_t errbuf_size)
 	 * Clears the error buffer, and uses it so we don't get
 	 * "unused argument" warnings at compile time.
 	 */
-	snprintf(errbuf, errbuf_size, "");
+	strlcpy(errbuf, "", errbuf_size);
 	return (0);
 }
 
@@ -98,3 +100,47 @@ nd_cleanup(void)
 	WSACleanup();
 #endif
 }
+
+int
+nd_have_smi_support(void)
+{
+#ifdef USE_LIBSMI
+	return (1);
+#else
+	return (0);
+#endif
+}
+
+/*
+ * Indicates whether an SMI module has been loaded, so that we can use
+ * libsmi to translate OIDs.
+ */
+int nd_smi_module_loaded;
+
+int
+nd_load_smi_module(const char *module, char *errbuf, size_t errbuf_size)
+{
+#ifdef USE_LIBSMI
+	if (smiLoadModule(module) == 0) {
+		snprintf(errbuf, errbuf_size, "could not load MIB module %s",
+		    module);
+		return (-1);
+	}
+	nd_smi_module_loaded = 1;
+	return (0);
+#else
+	snprintf(errbuf, errbuf_size, "MIB module %s not loaded: no libsmi support",
+	    module);
+	return (-1);
+#endif
+}
+
+const char *
+nd_smi_version_string(void)
+{
+#ifdef USE_LIBSMI
+	return (smi_version_string);
+#else
+	return (NULL);
+#endif
+}