/*************************************************************************** * nsock_log.c -- nsock logging infrastructure. * * * ***********************IMPORTANT NSOCK LICENSE TERMS*********************** * * * The nsock parallel socket event library is (C) 1999-2015 Insecure.Com * * 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, Insecure.Com LLC * * may be willing to sell alternative licenses (contact * * sales@insecure.com ). * * * * As a special exception to the GPL terms, Insecure.Com 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 (Insecure.Com 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" extern struct timeval nsock_tod; void nsock_set_log_function(nsock_pool nsp, nsock_logger_t logger) { struct npool *ms = (struct npool *)nsp; ms->logger = logger; nsock_log_debug(ms, "Registered external logging function: %p", logger); } nsock_loglevel_t nsock_get_loglevel(nsock_pool nsp) { struct npool *ms = (struct npool *)nsp; return ms->loglevel; } void nsock_set_loglevel(nsock_pool nsp, nsock_loglevel_t loglevel) { struct npool *ms = (struct npool *)nsp; ms->loglevel = loglevel; } void nsock_stderr_logger(nsock_pool nsp, const struct nsock_log_rec *rec) { fprintf(stderr, "libnsock %s(): %s\n", rec->func, rec->msg); } void __nsock_log_internal(nsock_pool nsp, 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) { struct npool *ms = (struct npool *)nsp; ms->logger(nsp, &rec); free(rec.msg); } va_end(args); }