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