From 0d47952611198ef6b1163f366dc03922d20b1475 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 09:42:04 +0200 Subject: Adding upstream version 7.94+git20230807.3be01efb1+dfsg. Signed-off-by: Daniel Baumann --- nsock/src/nsock_log.c | 116 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 116 insertions(+) create mode 100644 nsock/src/nsock_log.c (limited to 'nsock/src/nsock_log.c') diff --git a/nsock/src/nsock_log.c b/nsock/src/nsock_log.c new file mode 100644 index 0000000..5ef033c --- /dev/null +++ b/nsock/src/nsock_log.c @@ -0,0 +1,116 @@ +/*************************************************************************** + * nsock_log.c -- nsock logging infrastructure. * + * * + ***********************IMPORTANT NSOCK LICENSE TERMS*********************** + * + * The nsock parallel socket event library is (C) 1999-2023 Nmap Software LLC + * This library is free software; you may redistribute and/or modify it under + * the terms of the GNU General Public License as published by the Free Software + * Foundation; Version 2. This guarantees your right to use, modify, and + * redistribute this software under certain conditions. If this license is + * unacceptable to you, Nmap Software LLC may be willing to sell alternative + * licenses (contact sales@nmap.com ). + * + * As a special exception to the GPL terms, Nmap Software LLC grants permission + * to link the code of this program with any version of the OpenSSL library + * which is distributed under a license identical to that listed in the included + * docs/licenses/OpenSSL.txt file, and distribute linked combinations including + * the two. You must obey the GNU GPL in all respects for all of the code used + * other than OpenSSL. If you modify this file, you may extend this exception to + * your version of the file, but you are not obligated to do so. + * + * If you received these files with a written license agreement stating terms + * other than the (GPL) terms above, then that alternative license agreement + * takes precedence over this comment. + * + * Source is provided to this software because we believe users have a right to + * know exactly what a program is going to do before they run it. This also + * allows you to audit the software for security holes. + * + * Source code also allows you to port Nmap to new platforms, fix bugs, and add + * new features. You are highly encouraged to send your changes to the + * dev@nmap.org mailing list for possible incorporation into the main + * distribution. By sending these changes to Fyodor or one of the Insecure.Org + * development mailing lists, or checking them into the Nmap source code + * repository, it is understood (unless you specify otherwise) that you are + * offering the Nmap Project (Nmap Software LLC) the unlimited, non-exclusive + * right to reuse, modify, and relicense the code. Nmap will always be available + * Open Source, but this is important because the inability to relicense code + * has caused devastating problems for other Free Software projects (such as KDE + * and NASM). We also occasionally relicense the code to third parties as + * discussed above. If you wish to specify special license conditions of your + * contributions, just say so when you send them. + * + * 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 v2.0 for more + * details (http://www.gnu.org/licenses/gpl-2.0.html). + * + ***************************************************************************/ + +/* $Id$ */ + + +#define _GNU_SOURCE +#include + +#include +#include +#include +#include + +#include "nsock_internal.h" +#include "nsock_log.h" + +static void nsock_stderr_logger(const struct nsock_log_rec *rec); + +extern struct timeval nsock_tod; + +nsock_loglevel_t NsockLogLevel = NSOCK_LOG_ERROR; +nsock_logger_t NsockLogger = nsock_stderr_logger; + + +void nsock_set_log_function(nsock_logger_t logger) { + if (logger != NULL) + NsockLogger = logger; + else + NsockLogger = nsock_stderr_logger; + + nsock_log_debug("Registered external logging function: %p", NsockLogger); +} + +nsock_loglevel_t nsock_get_loglevel(void) { + return NsockLogLevel; +} + +void nsock_set_loglevel(nsock_loglevel_t loglevel) { + NsockLogLevel = loglevel; + nsock_log_debug("Set log level to %s", nsock_loglevel2str(loglevel)); +} + +void nsock_stderr_logger(const struct nsock_log_rec *rec) { + fprintf(stderr, "libnsock %s(): %s\n", rec->func, rec->msg); +} + +void __nsock_log_internal(nsock_loglevel_t loglevel, const char *file, int line, + const char *func, const char *format, ...) { + struct nsock_log_rec rec; + va_list args; + int rc; + + va_start(args, format); + + rec.level = loglevel; + rec.time = nsock_tod; + rec.file = file; + rec.line = line; + rec.func = func; + + rc = vasprintf(&rec.msg, format, args); + if (rc >= 0) { + NsockLogger(&rec); + free(rec.msg); + } + va_end(args); +} + -- cgit v1.2.3