1 files changed, 117 insertions, 0 deletions
diff --git a/ui/cli/tap-credentials.c b/ui/cli/tap-credentials.c
new file mode 100644
index 00000000..9a54a7eb
--- /dev/null
+++ b/ui/cli/tap-credentials.c
@@ -0,0 +1,117 @@
+/*
+ * tap-credentials.c
+ * Copyright 2019 Dario Lombardo <lomato@gmail.com>
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "config.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <glib.h>
+
+#include <epan/packet_info.h>
+#include <epan/tap.h>
+#include <epan/stat_tap_ui.h>
+
+#include <wsutil/cmdarg_err.h>
+#include <ui/tap-credentials.h>
+
+void register_tap_listener_credentials(void);
+
+wmem_array_t* credentials = NULL;
+
+static tap_credential_t* tap_credential_clone(tap_credential_t* auth)
+{
+    tap_credential_t* clone = wmem_new0(NULL, tap_credential_t);
+    clone->num = auth->num;
+    clone->username_num = auth->username_num;
+    clone->password_hf_id = auth->password_hf_id;
+    if (auth->username)
+        clone->username = wmem_strdup(NULL, auth->username);
+    clone->proto = auth->proto;
+    if (auth->info)
+        clone->info = wmem_strdup(NULL, auth->info);
+    return clone;
+}
+
+static tap_packet_status credentials_packet(void *p _U_, packet_info *pinfo _U_, epan_dissect_t *edt _U_, const void *pri, tap_flags_t flags _U_)
+{
+    tap_credential_t* clone = tap_credential_clone((tap_credential_t*)pri);
+    wmem_array_append(credentials, (void*)clone, 1);
+    return TAP_PACKET_REDRAW;
+}
+
+static void credentials_reset(void* p)
+{
+    if (!p)
+        return;
+    tap_credential_t* auth = (tap_credential_t*)p;
+    wmem_free(NULL, auth->username);
+    wmem_free(NULL, auth->info);
+    wmem_free(NULL, auth);
+}
+
+static void credentials_draw(void *p _U_)
+{
+    printf("===================================================================\n");
+    printf("%-10s %-16s %-16s %-16s\n", "Packet", "Protocol", "Username", "Info");
+    printf("------     --------         --------         --------\n");
+    for (guint i = 0; i < wmem_array_get_count(credentials); i++) {
+        tap_credential_t* auth = (tap_credential_t*)wmem_array_index(credentials, i);
+        printf("%-10u %-16s %-16s %-16s\n", auth->num, auth->proto, auth->username, auth->info ? auth->info : "");
+    }
+    printf("===================================================================\n");
+}
+
+static void credentials_init(const char *opt_arg _U_, void *userdata _U_)
+{
+    GString* error_string;
+
+    error_string = register_tap_listener("credentials", NULL, NULL, TL_REQUIRES_NOTHING,
+        credentials_reset, credentials_packet, credentials_draw, NULL);
+
+    if (error_string) {
+        /* error, we failed to attach to the tap. clean up */
+        cmdarg_err("Couldn't register credentials tap: %s", error_string->str);
+        g_string_free(error_string, TRUE);
+        exit(1);
+    }
+
+    credentials = wmem_array_new(wmem_epan_scope(), sizeof(tap_credential_t));
+}
+
+static stat_tap_ui credentials_ui = {
+    REGISTER_TOOLS_GROUP_UNSORTED,
+    "Username and passwords",
+    "credentials",
+    credentials_init,
+    0,
+    NULL
+};
+
+void
+register_tap_listener_credentials(void)
+{
+    register_stat_tap_ui(&credentials_ui, NULL);
+}
+
+/*
+ * Editor modelines  -  https://www.wireshark.org/tools/modelines.html
+ *
+ * Local variables:
+ * c-basic-offset: 8
+ * tab-width: 8
+ * indent-tabs-mode: t
+ * End:
+ *
+ * vi: set shiftwidth=8 tabstop=8 noexpandtab:
+ * :indentSize=8:tabSize=8:noTabs=false:
+ */