[thirdparty/sarg.git] / authfail.c

/*
 * SARG Squid Analysis Report Generator      http://sarg.sourceforge.net
 *                                                            1998, 2013
 *
 * SARG donations:
 *      please look at http://sarg.sourceforge.net/donations.php
 * Support:
 *     http://sourceforge.net/projects/sarg/forums/forum/363374
 * ---------------------------------------------------------------------
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  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 for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
 *
 */

#include "include/conf.h"
#include "include/defs.h"
#include "include/readlog.h"

//! Name of the file containing the unsorted authentication failure entries.
static char authfail_unsort[MAXLEN]="";
//! The file handle to write the entries.
static FILE *fp_authfail=NULL;
//! \c True if at least one anthentication failure entry exists.
static bool authfail_exists=false;

/*!
Open a file to store the authentication failure.

\return The file handle or NULL if no file is necessary.
*/
void authfail_open(void)
{
	if ((ReportType & REPORT_TYPE_AUTH_FAILURES) == 0) {
		if (debugz>=LogLevel_Process) debugaz(_("Authentication failure report not produced as it is not requested\n"));
		return;
	}
	if (Privacy) {
		if (debugz>=LogLevel_Process) debugaz(_("Authentication failure report not produced because privacy option is active\n"));
		return;
	}

	snprintf(authfail_unsort,sizeof(authfail_unsort),"%s/authfail.int_unsort",tmp);
	if ((fp_authfail=MY_FOPEN(authfail_unsort,"w"))==NULL) {
		debuga(_("(log) Cannot open file %s: %s\n"),authfail_unsort,strerror(errno));
		exit(EXIT_FAILURE);
	}
	return;
}

/*!
Write one entry in the unsorted authentication file file provided that it is required.

\param log_entry The entry to write into the log file.
*/
void authfail_write(const struct ReadLogStruct *log_entry)
{
	char date[80];

	if (fp_authfail && (strstr(log_entry->HttpCode,"DENIED/401") != 0 || strstr(log_entry->HttpCode,"DENIED/407") != 0)) {
		strftime(date,sizeof(date),"%d/%m/%Y\t%H:%M:%S",&log_entry->EntryTime);
		fprintf(fp_authfail, "%s\t%s\t%s\t%s\n",date,log_entry->User,log_entry->Ip,log_entry->Url);
		authfail_exists=true;
	}
}

/*!
Close the file opened by authfail_open().
*/
void authfail_close(void)
{
	if (fp_authfail)
	{
		if (fclose(fp_authfail)==EOF) {
			debuga(_("Write error in %s: %s\n"),authfail_unsort,strerror(errno));
			exit(EXIT_FAILURE);
		}
		fp_authfail=NULL;
	}
}

/*!
Tell the caller if a authentication failure report exists.

\return \c True if the report is available or \c false if no report
was generated.
*/
bool is_authfail(void)
{
	return(authfail_exists);
}


static void show_ignored_auth(FILE *fp_ou,int count)
{
	char ignored[80];

	snprintf(ignored,sizeof(ignored),ngettext("%d more authentication failure not shown here&hellip;","%d more authentication failures not shown here&hellip;",count),count);
	fprintf(fp_ou,"<tr><td class=\"data\"></td><td class=\"data\"></td><td class=\"data\"></td><td class=\"data2 more\">%s</td></tr>\n",ignored);
}

void authfail_report(void)
{
	FILE *fp_in = NULL, *fp_ou = NULL;

	char *buf;
	char *url;
	char authfail_sort[MAXLEN];
	char report[MAXLEN];
	char ip[MAXLEN];
	char oip[MAXLEN]="";
	char user[MAXLEN];
	char ouser[MAXLEN]="";
	char ouser2[MAXLEN]="";
	char data[15];
	char hora[15];
	char csort[MAXLEN];
	int z=0;
	int count=0;
	int cstatus;
	int day,month,year;
	bool new_user;
	struct getwordstruct gwarea;
	longline line;
	struct userinfostruct *uinfo;
	struct tm t;

	if (!authfail_exists) {
		if (!KeepTempLog && authfail_unsort[0]!='\0' && unlink(authfail_unsort))
			debuga(_("Failed to delete \"%s\": %s\n"),authfail_unsort,strerror(errno));

		authfail_unsort[0]='\0';
		if (debugz>=LogLevel_Process) debugaz(_("Authentication failures report not produced because it is empty\n"));
		return;
	}

	snprintf(authfail_sort,sizeof(authfail_sort),"%s/authfail.int_log",tmp);
	snprintf(report,sizeof(report),"%s/authfail.html",outdirname);

	snprintf(csort,sizeof(csort),"sort -b -t \"\t\" -T \"%s\" -k 3,3 -k 5,5 -o \"%s\" \"%s\"", tmp, authfail_sort, authfail_unsort);
	cstatus=system(csort);
	if (!WIFEXITED(cstatus) || WEXITSTATUS(cstatus)) {
		debuga(_("sort command return status %d\n"),WEXITSTATUS(cstatus));
		debuga(_("sort command: %s\n"),csort);
		exit(EXIT_FAILURE);
	}
	if((fp_in=MY_FOPEN(authfail_sort,"r"))==NULL) {
		debuga(_("(authfail) Cannot open file %s: %s\n"),authfail_sort,strerror(errno));
		debuga(_("sort command: %s\n"),csort);
		exit(EXIT_FAILURE);
	}
	if (!KeepTempLog && unlink(authfail_unsort)) {
		debuga(_("Cannot delete \"%s\": %s\n"),authfail_unsort,strerror(errno));
		exit(EXIT_FAILURE);
	}
	authfail_unsort[0]='\0';

	if((fp_ou=MY_FOPEN(report,"w"))==NULL) {
		debuga(_("(authfail) Cannot open file %s: %s\n"),report,strerror(errno));
		exit(EXIT_FAILURE);
	}

	write_html_header(fp_ou,(IndexTree == INDEX_TREE_DATE) ? 3 : 1,_("Authentication Failures"),HTML_JS_NONE);
	fputs("<tr><td class=\"header_c\">",fp_ou);
	fprintf(fp_ou,_("Period: %s"),period.html);
	fputs("</td></tr>\n",fp_ou);
	fprintf(fp_ou,"<tr><th class=\"header_c\">%s</th></tr>\n",_("Authentication Failures"));
	close_html_header(fp_ou);

	fputs("<div class=\"report\"><table cellpadding=\"0\" cellspacing=\"2\">\n",fp_ou);
	fprintf(fp_ou,"<tr><th class=\"header_l\">%s</th><th class=\"header_l\">%s</th><th class=\"header_l\">%s</th><th class=\"header_l\">%s</th></tr>\n",_("USERID"),_("IP/NAME"),_("DATE/TIME"),_("ACCESSED SITE"));

	if ((line=longline_create())==NULL) {
		debuga(_("Not enough memory to read file %s\n"),authfail_sort);
		exit(EXIT_FAILURE);
	}

	while((buf=longline_read(fp_in,line))!=NULL) {
		getword_start(&gwarea,buf);
		if (getword(data,sizeof(data),&gwarea,'\t')<0) {
			debuga(_("There is a broken date in file %s\n"),authfail_sort);
			exit(EXIT_FAILURE);
		}
		if (getword(hora,sizeof(hora),&gwarea,'\t')<0) {
			debuga(_("There is a broken time in file %s\n"),authfail_sort);
			exit(EXIT_FAILURE);
		}
		if (getword(user,sizeof(user),&gwarea,'\t')<0) {
			debuga(_("There is a broken user ID in file %s\n"),authfail_sort);
			exit(EXIT_FAILURE);
		}
		if (getword(ip,sizeof(ip),&gwarea,'\t')<0) {
			debuga(_("There is a broken IP address in file %s\n"),authfail_sort);
			exit(EXIT_FAILURE);
		}
		if (getword_ptr(buf,&url,&gwarea,'\t')<0) {
			debuga(_("There is a broken url in file %s\n"),authfail_sort);
			exit(EXIT_FAILURE);
		}
		if (sscanf(data,"%d/%d/%d",&day,&month,&year)!=3) continue;
		computedate(year,month,day,&t);
		strftime(data,sizeof(data),"%x",&t);

		uinfo=userinfo_find_from_id(user);
		if (!uinfo) {
			debuga(_("Unknown user ID %s in file %s\n"),user,authfail_sort);
			exit(EXIT_FAILURE);
		}

		new_user=false;
		if(z == 0) {
			strcpy(ouser,user);
			strcpy(oip,ip);
			z++;
			new_user=true;
		} else {
			if(strcmp(ouser,user) != 0) {
				strcpy(ouser,user);
				new_user=true;
			}
			if(strcmp(oip,ip) != 0) {
				strcpy(oip,ip);
				new_user=true;
			}
		}

		if(AuthfailReportLimit>0) {
			if(strcmp(ouser2,uinfo->label) == 0) {
				count++;
			} else {
				if(count>AuthfailReportLimit && AuthfailReportLimit>0)
					show_ignored_auth(fp_ou,count-AuthfailReportLimit);
				count=1;
				strcpy(ouser2,uinfo->label);
			}
			if(count > AuthfailReportLimit)
				continue;
		}

		fputs("<tr>",fp_ou);
		if (new_user)
			fprintf(fp_ou,"<td class=\"data2\">%s</td><td class=\"data2\">%s</td>",uinfo->label,ip);
		else
			fputs("<td class=\"data2\"></td><td class=\"data2\"></td>",fp_ou);
		fprintf(fp_ou,"<td class=\"data2\">%s-%s</td><td class=\"data2\">",data,hora);
		if(BlockIt[0]!='\0' && url[0]!=ALIAS_PREFIX) {
			fprintf(fp_ou,"<a href=\"%s%s?url=",wwwDocumentRoot,BlockIt);
			output_html_url(fp_ou,url);
			fputs("\"><img src=\"../images/sarg-squidguard-block.png\"></a>&nbsp;",fp_ou);
		}
		output_html_link(fp_ou,url,100);
		fputs("</td></th>\n",fp_ou);
	}
	fclose(fp_in);
	longline_destroy(&line);

	if(count>AuthfailReportLimit && AuthfailReportLimit>0)
		show_ignored_auth(fp_ou,count-AuthfailReportLimit);

	fputs("</table></div>\n",fp_ou);
	if (write_html_trailer(fp_ou)<0)
		debuga(_("Write error in file %s\n"),report);
	if (fclose(fp_ou)==EOF) {
		debuga(_("Write error in %s: %s\n"),report,strerror(errno));
		exit(EXIT_FAILURE);
	}

	if (!KeepTempLog && unlink(authfail_sort)) {
		debuga(_("Cannot delete %s - %s\n"),authfail_sort,strerror(errno));
		exit(EXIT_FAILURE);
	}

	return;
}

/*!
Remove any temporary file left by the authfail module.
*/
void authfail_cleanup(void)
{
	if (fp_authfail) {
		if (fclose(fp_authfail)==EOF) {
			debuga(_("Write error in %s: %s\n"),authfail_unsort,strerror(errno));
			exit(EXIT_FAILURE);
		}
		fp_authfail=NULL;
	}
	if(authfail_unsort[0]) {
		if (!KeepTempLog && unlink(authfail_unsort)==-1)
			debuga(_("Failed to delete %s: %s\n"),authfail_unsort,strerror(errno));
	}
}
Commit	Line	Data
	1	/*
	2	* SARG Squid Analysis Report Generator http://sarg.sourceforge.net
	3	* 1998, 2013
	4	*
	5	* SARG donations:
	6	* please look at http://sarg.sourceforge.net/donations.php
	7	* Support:
	8	* http://sourceforge.net/projects/sarg/forums/forum/363374
	9	* ---------------------------------------------------------------------
	10	*
	11	* This program is free software; you can redistribute it and/or modify
	12	* it under the terms of the GNU General Public License as published by
	13	* the Free Software Foundation; either version 2 of the License, or
	14	* (at your option) any later version.
	15	*
	16	* This program is distributed in the hope that it will be useful,
	17	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	18	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	19	* GNU General Public License for more details.
	20	*
	21	* You should have received a copy of the GNU General Public License
	22	* along with this program; if not, write to the Free Software
	23	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
	24	*
	25	*/
	26
	27	#include "include/conf.h"
	28	#include "include/defs.h"
	29	#include "include/readlog.h"
	30
	31	//! Name of the file containing the unsorted authentication failure entries.
	32	static char authfail_unsort[MAXLEN]="";
	33	//! The file handle to write the entries.
	34	static FILE *fp_authfail=NULL;
	35	//! \c True if at least one anthentication failure entry exists.
	36	static bool authfail_exists=false;
	37
	38	/*!
	39	Open a file to store the authentication failure.
	40
	41	\return The file handle or NULL if no file is necessary.
	42	*/
	43	void authfail_open(void)
	44	{
	45	if ((ReportType & REPORT_TYPE_AUTH_FAILURES) == 0) {
	46	if (debugz>=LogLevel_Process) debugaz(_("Authentication failure report not produced as it is not requested\n"));
	47	return;
	48	}
	49	if (Privacy) {
	50	if (debugz>=LogLevel_Process) debugaz(_("Authentication failure report not produced because privacy option is active\n"));
	51	return;
	52	}
	53
	54	snprintf(authfail_unsort,sizeof(authfail_unsort),"%s/authfail.int_unsort",tmp);
	55	if ((fp_authfail=MY_FOPEN(authfail_unsort,"w"))==NULL) {
	56	debuga(_("(log) Cannot open file %s: %s\n"),authfail_unsort,strerror(errno));
	57	exit(EXIT_FAILURE);
	58	}
	59	return;
	60	}
	61
	62	/*!
	63	Write one entry in the unsorted authentication file file provided that it is required.
	64
	65	\param log_entry The entry to write into the log file.
	66	*/
	67	void authfail_write(const struct ReadLogStruct *log_entry)
	68	{
	69	char date[80];
	70
	71	if (fp_authfail && (strstr(log_entry->HttpCode,"DENIED/401") != 0 \|\| strstr(log_entry->HttpCode,"DENIED/407") != 0)) {
	72	strftime(date,sizeof(date),"%d/%m/%Y\t%H:%M:%S",&log_entry->EntryTime);
	73	fprintf(fp_authfail, "%s\t%s\t%s\t%s\n",date,log_entry->User,log_entry->Ip,log_entry->Url);
	74	authfail_exists=true;
	75	}
	76	}
	77
	78	/*!
	79	Close the file opened by authfail_open().
	80	*/
	81	void authfail_close(void)
	82	{
	83	if (fp_authfail)
	84	{
	85	if (fclose(fp_authfail)==EOF) {
	86	debuga(_("Write error in %s: %s\n"),authfail_unsort,strerror(errno));
	87	exit(EXIT_FAILURE);
	88	}
	89	fp_authfail=NULL;
	90	}
	91	}
	92
	93	/*!
	94	Tell the caller if a authentication failure report exists.
	95
	96	\return \c True if the report is available or \c false if no report
	97	was generated.
	98	*/
	99	bool is_authfail(void)
	100	{
	101	return(authfail_exists);
	102	}
	103
	104
	105	static void show_ignored_auth(FILE *fp_ou,int count)
	106	{
	107	char ignored[80];
	108
	109	snprintf(ignored,sizeof(ignored),ngettext("%d more authentication failure not shown here…","%d more authentication failures not shown here…",count),count);
	110	fprintf(fp_ou,"<tr><td class=\"data\"></td><td class=\"data\"></td><td class=\"data\"></td><td class=\"data2 more\">%s</td></tr>\n",ignored);
	111	}
	112
	113	void authfail_report(void)
	114	{
	115	FILE fp_in = NULL, fp_ou = NULL;
	116
	117	char *buf;
	118	char *url;
	119	char authfail_sort[MAXLEN];
	120	char report[MAXLEN];
	121	char ip[MAXLEN];
	122	char oip[MAXLEN]="";
	123	char user[MAXLEN];
	124	char ouser[MAXLEN]="";
	125	char ouser2[MAXLEN]="";
	126	char data[15];
	127	char hora[15];
	128	char csort[MAXLEN];
	129	int z=0;
	130	int count=0;
	131	int cstatus;
	132	int day,month,year;
	133	bool new_user;
	134	struct getwordstruct gwarea;
	135	longline line;
	136	struct userinfostruct *uinfo;
	137	struct tm t;
	138
	139	if (!authfail_exists) {
	140	if (!KeepTempLog && authfail_unsort[0]!='\0' && unlink(authfail_unsort))
	141	debuga(_("Failed to delete \"%s\": %s\n"),authfail_unsort,strerror(errno));
	142
	143	authfail_unsort[0]='\0';
	144	if (debugz>=LogLevel_Process) debugaz(_("Authentication failures report not produced because it is empty\n"));
	145	return;
	146	}
	147
	148	snprintf(authfail_sort,sizeof(authfail_sort),"%s/authfail.int_log",tmp);
	149	snprintf(report,sizeof(report),"%s/authfail.html",outdirname);
	150
	151	snprintf(csort,sizeof(csort),"sort -b -t \"\t\" -T \"%s\" -k 3,3 -k 5,5 -o \"%s\" \"%s\"", tmp, authfail_sort, authfail_unsort);
	152	cstatus=system(csort);
	153	if (!WIFEXITED(cstatus) \|\| WEXITSTATUS(cstatus)) {
	154	debuga(_("sort command return status %d\n"),WEXITSTATUS(cstatus));
	155	debuga(_("sort command: %s\n"),csort);
	156	exit(EXIT_FAILURE);
	157	}
	158	if((fp_in=MY_FOPEN(authfail_sort,"r"))==NULL) {
	159	debuga(_("(authfail) Cannot open file %s: %s\n"),authfail_sort,strerror(errno));
	160	debuga(_("sort command: %s\n"),csort);
	161	exit(EXIT_FAILURE);
	162	}
	163	if (!KeepTempLog && unlink(authfail_unsort)) {
	164	debuga(_("Cannot delete \"%s\": %s\n"),authfail_unsort,strerror(errno));
	165	exit(EXIT_FAILURE);
	166	}
	167	authfail_unsort[0]='\0';
	168
	169	if((fp_ou=MY_FOPEN(report,"w"))==NULL) {
	170	debuga(_("(authfail) Cannot open file %s: %s\n"),report,strerror(errno));
	171	exit(EXIT_FAILURE);
	172	}
	173
	174	write_html_header(fp_ou,(IndexTree == INDEX_TREE_DATE) ? 3 : 1,_("Authentication Failures"),HTML_JS_NONE);
	175	fputs("<tr><td class=\"header_c\">",fp_ou);
	176	fprintf(fp_ou,_("Period: %s"),period.html);
	177	fputs("</td></tr>\n",fp_ou);
	178	fprintf(fp_ou,"<tr><th class=\"header_c\">%s</th></tr>\n",_("Authentication Failures"));
	179	close_html_header(fp_ou);
	180
	181	fputs("<div class=\"report\"><table cellpadding=\"0\" cellspacing=\"2\">\n",fp_ou);
	182	fprintf(fp_ou,"<tr><th class=\"header_l\">%s</th><th class=\"header_l\">%s</th><th class=\"header_l\">%s</th><th class=\"header_l\">%s</th></tr>\n",_("USERID"),_("IP/NAME"),_("DATE/TIME"),_("ACCESSED SITE"));
	183
	184	if ((line=longline_create())==NULL) {
	185	debuga(_("Not enough memory to read file %s\n"),authfail_sort);
	186	exit(EXIT_FAILURE);
	187	}
	188
	189	while((buf=longline_read(fp_in,line))!=NULL) {
	190	getword_start(&gwarea,buf);
	191	if (getword(data,sizeof(data),&gwarea,'\t')<0) {
	192	debuga(_("There is a broken date in file %s\n"),authfail_sort);
	193	exit(EXIT_FAILURE);
	194	}
	195	if (getword(hora,sizeof(hora),&gwarea,'\t')<0) {
	196	debuga(_("There is a broken time in file %s\n"),authfail_sort);
	197	exit(EXIT_FAILURE);
	198	}
	199	if (getword(user,sizeof(user),&gwarea,'\t')<0) {
	200	debuga(_("There is a broken user ID in file %s\n"),authfail_sort);
	201	exit(EXIT_FAILURE);
	202	}
	203	if (getword(ip,sizeof(ip),&gwarea,'\t')<0) {
	204	debuga(_("There is a broken IP address in file %s\n"),authfail_sort);
	205	exit(EXIT_FAILURE);
	206	}
	207	if (getword_ptr(buf,&url,&gwarea,'\t')<0) {
	208	debuga(_("There is a broken url in file %s\n"),authfail_sort);
	209	exit(EXIT_FAILURE);
	210	}
	211	if (sscanf(data,"%d/%d/%d",&day,&month,&year)!=3) continue;
	212	computedate(year,month,day,&t);
	213	strftime(data,sizeof(data),"%x",&t);
	214
	215	uinfo=userinfo_find_from_id(user);
	216	if (!uinfo) {
	217	debuga(_("Unknown user ID %s in file %s\n"),user,authfail_sort);
	218	exit(EXIT_FAILURE);
	219	}
	220
	221	new_user=false;
	222	if(z == 0) {
	223	strcpy(ouser,user);
	224	strcpy(oip,ip);
	225	z++;
	226	new_user=true;
	227	} else {
	228	if(strcmp(ouser,user) != 0) {
	229	strcpy(ouser,user);
	230	new_user=true;
	231	}
	232	if(strcmp(oip,ip) != 0) {
	233	strcpy(oip,ip);
	234	new_user=true;
	235	}
	236	}
	237
	238	if(AuthfailReportLimit>0) {
	239	if(strcmp(ouser2,uinfo->label) == 0) {
	240	count++;
	241	} else {
	242	if(count>AuthfailReportLimit && AuthfailReportLimit>0)
	243	show_ignored_auth(fp_ou,count-AuthfailReportLimit);
	244	count=1;
	245	strcpy(ouser2,uinfo->label);
	246	}
	247	if(count > AuthfailReportLimit)
	248	continue;
	249	}
	250
	251	fputs("<tr>",fp_ou);
	252	if (new_user)
	253	fprintf(fp_ou,"<td class=\"data2\">%s</td><td class=\"data2\">%s</td>",uinfo->label,ip);
	254	else
	255	fputs("<td class=\"data2\"></td><td class=\"data2\"></td>",fp_ou);
	256	fprintf(fp_ou,"<td class=\"data2\">%s-%s</td><td class=\"data2\">",data,hora);
	257	if(BlockIt[0]!='\0' && url[0]!=ALIAS_PREFIX) {
	258	fprintf(fp_ou,"<a href=\"%s%s?url=",wwwDocumentRoot,BlockIt);
	259	output_html_url(fp_ou,url);
	260	fputs("\"><img src=\"../images/sarg-squidguard-block.png\"></a> ",fp_ou);
	261	}
	262	output_html_link(fp_ou,url,100);
	263	fputs("</td></th>\n",fp_ou);
	264	}
	265	fclose(fp_in);
	266	longline_destroy(&line);
	267
	268	if(count>AuthfailReportLimit && AuthfailReportLimit>0)
	269	show_ignored_auth(fp_ou,count-AuthfailReportLimit);
	270
	271	fputs("</table></div>\n",fp_ou);
	272	if (write_html_trailer(fp_ou)<0)
	273	debuga(_("Write error in file %s\n"),report);
	274	if (fclose(fp_ou)==EOF) {
	275	debuga(_("Write error in %s: %s\n"),report,strerror(errno));
	276	exit(EXIT_FAILURE);
	277	}
	278
	279	if (!KeepTempLog && unlink(authfail_sort)) {
	280	debuga(_("Cannot delete %s - %s\n"),authfail_sort,strerror(errno));
	281	exit(EXIT_FAILURE);
	282	}
	283
	284	return;
	285	}
	286
	287	/*!
	288	Remove any temporary file left by the authfail module.
	289	*/
	290	void authfail_cleanup(void)
	291	{
	292	if (fp_authfail) {
	293	if (fclose(fp_authfail)==EOF) {
	294	debuga(_("Write error in %s: %s\n"),authfail_unsort,strerror(errno));
	295	exit(EXIT_FAILURE);
	296	}
	297	fp_authfail=NULL;
	298	}
	299	if(authfail_unsort[0]) {
	300	if (!KeepTempLog && unlink(authfail_unsort)==-1)
	301	debuga(_("Failed to delete %s: %s\n"),authfail_unsort,strerror(errno));
	302	}
	303	}