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/***************************************************************************
* nmap_error.cc -- Some simple error handling routines. *
* *
***********************IMPORTANT NMAP LICENSE TERMS************************
* *
* The Nmap Security Scanner is (C) 1996-2012 Insecure.Com LLC. Nmap is *
* also a registered trademark of Insecure.Com LLC. This program 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 with the clarifications and exceptions described *
* below. This guarantees your right to use, modify, and redistribute *
* this software under certain conditions. If you wish to embed Nmap *
* technology into proprietary software, we sell alternative licenses *
* (contact sales@insecure.com). Dozens of software vendors already *
* license Nmap technology such as host discovery, port scanning, OS *
* detection, version detection, and the Nmap Scripting Engine. *
* *
* Note that the GPL places important restrictions on "derived works", yet *
* it does not provide a detailed definition of that term. To avoid *
* misunderstandings, we interpret that term as broadly as copyright law *
* allows. For example, we consider an application to constitute a *
* "derivative work" for the purpose of this license if it does any of the *
* following: *
* o Integrates source code from Nmap *
* o Reads or includes Nmap copyrighted data files, such as *
* nmap-os-db or nmap-service-probes. *
* o Executes Nmap and parses the results (as opposed to typical shell or *
* execution-menu apps, which simply display raw Nmap output and so are *
* not derivative works.) *
* o Integrates/includes/aggregates Nmap into a proprietary executable *
* installer, such as those produced by InstallShield. *
* o Links to a library or executes a program that does any of the above *
* *
* The term "Nmap" should be taken to also include any portions or derived *
* works of Nmap, as well as other software we distribute under this *
* license such as Zenmap, Ncat, and Nping. This list is not exclusive, *
* but is meant to clarify our interpretation of derived works with some *
* common examples. Our interpretation applies only to Nmap--we don't *
* speak for other people's GPL works. *
* *
* If you have any questions about the GPL licensing restrictions on using *
* Nmap in non-GPL works, we would be happy to help. As mentioned above, *
* we also offer alternative license to integrate Nmap into proprietary *
* applications and appliances. These contracts have been sold to dozens *
* of software vendors, and generally include a perpetual license as well *
* as providing for priority support and updates. They also fund the *
* continued development of Nmap. Please email sales@insecure.com for *
* further information. *
* *
* 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 or *
* contract stating terms other than the terms above, then that *
* alternative license agreement takes precedence over these comments. *
* *
* 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 (none *
* have been found so far). *
* *
* 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 nmap-dev@insecure.org 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 at *
* http://www.gnu.org/licenses/gpl-2.0.html , or in the COPYING file *
* included with Nmap. *
* *
***************************************************************************/
/* $Id$ */
#include "nmap_error.h"
#include "output.h"
#include "NmapOps.h"
#include "xml.h"
extern NmapOps o;
#ifdef WIN32
#include <windows.h>
#endif /* WIN32 */
void fatal(const char *fmt, ...) {
time_t timep;
struct timeval tv;
va_list ap;
gettimeofday(&tv, NULL);
timep = time(NULL);
va_start(ap, fmt);
log_vwrite(LOG_NORMAL|LOG_STDERR, fmt, ap);
va_end(ap);
log_write(LOG_NORMAL|LOG_STDERR, "\nQUITTING!\n");
if (xml_tag_open())
xml_close_start_tag();
if (!xml_root_written())
xml_start_tag("nmaprun");
/* Close all open XML elements but one. */
while (xml_depth() > 1) {
xml_end_tag();
xml_newline();
}
if (xml_depth() == 1) {
char errbuf[1024];
va_start(ap, fmt);
Vsnprintf(errbuf, sizeof(errbuf), fmt, ap);
va_end(ap);
xml_start_tag("runstats");
print_xml_finished_open(timep, &tv);
xml_attribute("exit", "error");
xml_attribute("errormsg", "%s", errbuf);
xml_close_empty_tag();
print_xml_hosts();
xml_newline();
xml_end_tag(); /* runstats */
xml_newline();
xml_end_tag(); /* nmaprun */
xml_newline();
}
exit(1);
}
void error(const char *fmt, ...) {
va_list ap;
va_start(ap, fmt);
log_vwrite(LOG_NORMAL|LOG_STDERR, fmt, ap);
va_end(ap);
log_write(LOG_NORMAL|LOG_STDERR , "\n");
return;
}
void pfatal(const char *fmt, ...) {
time_t timep;
struct timeval tv;
va_list ap;
int error_number;
char errbuf[1024], *strerror_s;
#ifdef WIN32
error_number = GetLastError();
FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER|FORMAT_MESSAGE_FROM_SYSTEM,
NULL, error_number, MAKELANGID (LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPTSTR) &strerror_s, 0, NULL);
#else
error_number = errno;
strerror_s = strerror(error_number);
#endif
gettimeofday(&tv, NULL);
timep = time(NULL);
va_start(ap, fmt);
Vsnprintf(errbuf, sizeof(errbuf), fmt, ap);
va_end(ap);
log_write(LOG_NORMAL|LOG_STDERR, "%s: %s (%d)\n",
errbuf, strerror_s, error_number);
if (xml_tag_open())
xml_close_start_tag();
if (!xml_root_written())
xml_start_tag("nmaprun");
/* Close all open XML elements but one. */
while (xml_depth() > 1) {
xml_end_tag();
xml_newline();
}
if (xml_depth() == 1) {
xml_start_tag("runstats");
print_xml_finished_open(timep, &tv);
xml_attribute("exit", "error");
xml_attribute("errormsg", "%s: %s (%d)", errbuf, strerror_s, error_number);
xml_close_empty_tag();
print_xml_hosts();
xml_newline();
xml_end_tag(); /* runstats */
xml_newline();
xml_end_tag(); /* nmaprun */
xml_newline();
}
#ifdef WIN32
HeapFree(GetProcessHeap(), 0, strerror_s);
#endif
log_flush(LOG_NORMAL);
fflush(stderr);
exit(1);
}
/* This function is the Nmap version of perror. It is like pfatal, but it
doesn't write to XML and it only returns, doesn't exit. */
void gh_perror(const char *fmt, ...) {
va_list ap;
int error_number;
char *strerror_s;
#ifdef WIN32
error_number = GetLastError();
FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER|FORMAT_MESSAGE_FROM_SYSTEM,
NULL, error_number, MAKELANGID (LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPTSTR) &strerror_s, 0, NULL);
#else
error_number = errno;
strerror_s = strerror(error_number);
#endif
va_start(ap, fmt);
log_vwrite(LOG_NORMAL|LOG_STDERR, fmt, ap);
va_end(ap);
log_write(LOG_NORMAL|LOG_STDERR, ": %s (%d)\n",
strerror_s, error_number);
#ifdef WIN32
HeapFree(GetProcessHeap(), 0, strerror_s);
#endif
log_flush(LOG_NORMAL);
fflush(stderr);
return;
}
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