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      1 /* crypto/bio/bss_log.c */
      2 /* ====================================================================
      3  * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  *
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  *
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in
     14  *    the documentation and/or other materials provided with the
     15  *    distribution.
     16  *
     17  * 3. All advertising materials mentioning features or use of this
     18  *    software must display the following acknowledgment:
     19  *    "This product includes software developed by the OpenSSL Project
     20  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
     21  *
     22  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
     23  *    endorse or promote products derived from this software without
     24  *    prior written permission. For written permission, please contact
     25  *    licensing (at) OpenSSL.org.
     26  *
     27  * 5. Products derived from this software may not be called "OpenSSL"
     28  *    nor may "OpenSSL" appear in their names without prior written
     29  *    permission of the OpenSSL Project.
     30  *
     31  * 6. Redistributions of any form whatsoever must retain the following
     32  *    acknowledgment:
     33  *    "This product includes software developed by the OpenSSL Project
     34  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
     35  *
     36  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
     37  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     38  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     39  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
     40  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     41  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     42  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     43  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     44  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     45  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     46  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
     47  * OF THE POSSIBILITY OF SUCH DAMAGE.
     48  * ====================================================================
     49  *
     50  * This product includes cryptographic software written by Eric Young
     51  * (eay (at) cryptsoft.com).  This product includes software written by Tim
     52  * Hudson (tjh (at) cryptsoft.com).
     53  *
     54  */
     55 
     56 /*
     57 	Why BIO_s_log?
     58 
     59 	BIO_s_log is useful for system daemons (or services under NT).
     60 	It is one-way BIO, it sends all stuff to syslogd (on system that
     61 	commonly use that), or event log (on NT), or OPCOM (on OpenVMS).
     62 
     63 */
     64 
     65 
     66 #include <stdio.h>
     67 #include <errno.h>
     68 
     69 #include "cryptlib.h"
     70 
     71 #if defined(OPENSSL_SYS_WINCE)
     72 #elif defined(OPENSSL_SYS_WIN32)
     73 #elif defined(OPENSSL_SYS_VMS)
     74 #  include <opcdef.h>
     75 #  include <descrip.h>
     76 #  include <lib$routines.h>
     77 #  include <starlet.h>
     78 #elif defined(__ultrix)
     79 #  include <sys/syslog.h>
     80 #elif defined(OPENSSL_SYS_NETWARE)
     81 #  define NO_SYSLOG
     82 #elif (!defined(MSDOS) || defined(WATT32)) && !defined(OPENSSL_SYS_VXWORKS) && !defined(NO_SYSLOG)
     83 #  include <syslog.h>
     84 #endif
     85 
     86 #include <openssl/buffer.h>
     87 #include <openssl/err.h>
     88 
     89 #ifndef NO_SYSLOG
     90 
     91 #if defined(OPENSSL_SYS_WIN32)
     92 #define LOG_EMERG	0
     93 #define LOG_ALERT	1
     94 #define LOG_CRIT	2
     95 #define LOG_ERR		3
     96 #define LOG_WARNING	4
     97 #define LOG_NOTICE	5
     98 #define LOG_INFO	6
     99 #define LOG_DEBUG	7
    100 
    101 #define LOG_DAEMON	(3<<3)
    102 #elif defined(OPENSSL_SYS_VMS)
    103 /* On VMS, we don't really care about these, but we need them to compile */
    104 #define LOG_EMERG	0
    105 #define LOG_ALERT	1
    106 #define LOG_CRIT	2
    107 #define LOG_ERR		3
    108 #define LOG_WARNING	4
    109 #define LOG_NOTICE	5
    110 #define LOG_INFO	6
    111 #define LOG_DEBUG	7
    112 
    113 #define LOG_DAEMON	OPC$M_NM_NTWORK
    114 #endif
    115 
    116 static int MS_CALLBACK slg_write(BIO *h, const char *buf, int num);
    117 static int MS_CALLBACK slg_puts(BIO *h, const char *str);
    118 static long MS_CALLBACK slg_ctrl(BIO *h, int cmd, long arg1, void *arg2);
    119 static int MS_CALLBACK slg_new(BIO *h);
    120 static int MS_CALLBACK slg_free(BIO *data);
    121 static void xopenlog(BIO* bp, char* name, int level);
    122 static void xsyslog(BIO* bp, int priority, const char* string);
    123 static void xcloselog(BIO* bp);
    124 
    125 static BIO_METHOD methods_slg=
    126 	{
    127 	BIO_TYPE_MEM,"syslog",
    128 	slg_write,
    129 	NULL,
    130 	slg_puts,
    131 	NULL,
    132 	slg_ctrl,
    133 	slg_new,
    134 	slg_free,
    135 	NULL,
    136 	};
    137 
    138 BIO_METHOD *BIO_s_log(void)
    139 	{
    140 	return(&methods_slg);
    141 	}
    142 
    143 static int MS_CALLBACK slg_new(BIO *bi)
    144 	{
    145 	bi->init=1;
    146 	bi->num=0;
    147 	bi->ptr=NULL;
    148 	xopenlog(bi, "application", LOG_DAEMON);
    149 	return(1);
    150 	}
    151 
    152 static int MS_CALLBACK slg_free(BIO *a)
    153 	{
    154 	if (a == NULL) return(0);
    155 	xcloselog(a);
    156 	return(1);
    157 	}
    158 
    159 static int MS_CALLBACK slg_write(BIO *b, const char *in, int inl)
    160 	{
    161 	int ret= inl;
    162 	char* buf;
    163 	char* pp;
    164 	int priority, i;
    165 	static const struct
    166 		{
    167 		int strl;
    168 		char str[10];
    169 		int log_level;
    170 		}
    171 	mapping[] =
    172 		{
    173 		{ 6, "PANIC ", LOG_EMERG },
    174 		{ 6, "EMERG ", LOG_EMERG },
    175 		{ 4, "EMR ", LOG_EMERG },
    176 		{ 6, "ALERT ", LOG_ALERT },
    177 		{ 4, "ALR ", LOG_ALERT },
    178 		{ 5, "CRIT ", LOG_CRIT },
    179 		{ 4, "CRI ", LOG_CRIT },
    180 		{ 6, "ERROR ", LOG_ERR },
    181 		{ 4, "ERR ", LOG_ERR },
    182 		{ 8, "WARNING ", LOG_WARNING },
    183 		{ 5, "WARN ", LOG_WARNING },
    184 		{ 4, "WAR ", LOG_WARNING },
    185 		{ 7, "NOTICE ", LOG_NOTICE },
    186 		{ 5, "NOTE ", LOG_NOTICE },
    187 		{ 4, "NOT ", LOG_NOTICE },
    188 		{ 5, "INFO ", LOG_INFO },
    189 		{ 4, "INF ", LOG_INFO },
    190 		{ 6, "DEBUG ", LOG_DEBUG },
    191 		{ 4, "DBG ", LOG_DEBUG },
    192 		{ 0, "", LOG_ERR } /* The default */
    193 		};
    194 
    195 	if((buf= (char *)OPENSSL_malloc(inl+ 1)) == NULL){
    196 		return(0);
    197 	}
    198 	strncpy(buf, in, inl);
    199 	buf[inl]= '\0';
    200 
    201 	i = 0;
    202 	while(strncmp(buf, mapping[i].str, mapping[i].strl) != 0) i++;
    203 	priority = mapping[i].log_level;
    204 	pp = buf + mapping[i].strl;
    205 
    206 	xsyslog(b, priority, pp);
    207 
    208 	OPENSSL_free(buf);
    209 	return(ret);
    210 	}
    211 
    212 static long MS_CALLBACK slg_ctrl(BIO *b, int cmd, long num, void *ptr)
    213 	{
    214 	switch (cmd)
    215 		{
    216 	case BIO_CTRL_SET:
    217 		xcloselog(b);
    218 		xopenlog(b, ptr, num);
    219 		break;
    220 	default:
    221 		break;
    222 		}
    223 	return(0);
    224 	}
    225 
    226 static int MS_CALLBACK slg_puts(BIO *bp, const char *str)
    227 	{
    228 	int n,ret;
    229 
    230 	n=strlen(str);
    231 	ret=slg_write(bp,str,n);
    232 	return(ret);
    233 	}
    234 
    235 #if defined(OPENSSL_SYS_WIN32)
    236 
    237 static void xopenlog(BIO* bp, char* name, int level)
    238 {
    239 	if (GetVersion() < 0x80000000)
    240 		bp->ptr = RegisterEventSourceA(NULL,name);
    241 	else
    242 		bp->ptr = NULL;
    243 }
    244 
    245 static void xsyslog(BIO *bp, int priority, const char *string)
    246 {
    247 	LPCSTR lpszStrings[2];
    248 	WORD evtype= EVENTLOG_ERROR_TYPE;
    249 	char pidbuf[DECIMAL_SIZE(DWORD)+4];
    250 
    251 	if (bp->ptr == NULL)
    252 		return;
    253 
    254 	switch (priority)
    255 		{
    256 	case LOG_EMERG:
    257 	case LOG_ALERT:
    258 	case LOG_CRIT:
    259 	case LOG_ERR:
    260 		evtype = EVENTLOG_ERROR_TYPE;
    261 		break;
    262 	case LOG_WARNING:
    263 		evtype = EVENTLOG_WARNING_TYPE;
    264 		break;
    265 	case LOG_NOTICE:
    266 	case LOG_INFO:
    267 	case LOG_DEBUG:
    268 		evtype = EVENTLOG_INFORMATION_TYPE;
    269 		break;
    270 	default:		/* Should never happen, but set it
    271 				   as error anyway. */
    272 		evtype = EVENTLOG_ERROR_TYPE;
    273 		break;
    274 		}
    275 
    276 	sprintf(pidbuf, "[%u] ", GetCurrentProcessId());
    277 	lpszStrings[0] = pidbuf;
    278 	lpszStrings[1] = string;
    279 
    280 	ReportEventA(bp->ptr, evtype, 0, 1024, NULL, 2, 0,
    281 				lpszStrings, NULL);
    282 }
    283 
    284 static void xcloselog(BIO* bp)
    285 {
    286 	if(bp->ptr)
    287 		DeregisterEventSource((HANDLE)(bp->ptr));
    288 	bp->ptr= NULL;
    289 }
    290 
    291 #elif defined(OPENSSL_SYS_VMS)
    292 
    293 static int VMS_OPC_target = LOG_DAEMON;
    294 
    295 static void xopenlog(BIO* bp, char* name, int level)
    296 {
    297 	VMS_OPC_target = level;
    298 }
    299 
    300 static void xsyslog(BIO *bp, int priority, const char *string)
    301 {
    302 	struct dsc$descriptor_s opc_dsc;
    303 	struct opcdef *opcdef_p;
    304 	char buf[10240];
    305 	unsigned int len;
    306         struct dsc$descriptor_s buf_dsc;
    307 	$DESCRIPTOR(fao_cmd, "!AZ: !AZ");
    308 	char *priority_tag;
    309 
    310 	switch (priority)
    311 	  {
    312 	  case LOG_EMERG: priority_tag = "Emergency"; break;
    313 	  case LOG_ALERT: priority_tag = "Alert"; break;
    314 	  case LOG_CRIT: priority_tag = "Critical"; break;
    315 	  case LOG_ERR: priority_tag = "Error"; break;
    316 	  case LOG_WARNING: priority_tag = "Warning"; break;
    317 	  case LOG_NOTICE: priority_tag = "Notice"; break;
    318 	  case LOG_INFO: priority_tag = "Info"; break;
    319 	  case LOG_DEBUG: priority_tag = "DEBUG"; break;
    320 	  }
    321 
    322 	buf_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
    323 	buf_dsc.dsc$b_class = DSC$K_CLASS_S;
    324 	buf_dsc.dsc$a_pointer = buf;
    325 	buf_dsc.dsc$w_length = sizeof(buf) - 1;
    326 
    327 	lib$sys_fao(&fao_cmd, &len, &buf_dsc, priority_tag, string);
    328 
    329 	/* we know there's an 8 byte header.  That's documented */
    330 	opcdef_p = (struct opcdef *) OPENSSL_malloc(8 + len);
    331 	opcdef_p->opc$b_ms_type = OPC$_RQ_RQST;
    332 	memcpy(opcdef_p->opc$z_ms_target_classes, &VMS_OPC_target, 3);
    333 	opcdef_p->opc$l_ms_rqstid = 0;
    334 	memcpy(&opcdef_p->opc$l_ms_text, buf, len);
    335 
    336 	opc_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
    337 	opc_dsc.dsc$b_class = DSC$K_CLASS_S;
    338 	opc_dsc.dsc$a_pointer = (char *)opcdef_p;
    339 	opc_dsc.dsc$w_length = len + 8;
    340 
    341 	sys$sndopr(opc_dsc, 0);
    342 
    343 	OPENSSL_free(opcdef_p);
    344 }
    345 
    346 static void xcloselog(BIO* bp)
    347 {
    348 }
    349 
    350 #else /* Unix/Watt32 */
    351 
    352 static void xopenlog(BIO* bp, char* name, int level)
    353 {
    354 #ifdef WATT32   /* djgpp/DOS */
    355 	openlog(name, LOG_PID|LOG_CONS|LOG_NDELAY, level);
    356 #else
    357 	openlog(name, LOG_PID|LOG_CONS, level);
    358 #endif
    359 }
    360 
    361 static void xsyslog(BIO *bp, int priority, const char *string)
    362 {
    363 	syslog(priority, "%s", string);
    364 }
    365 
    366 static void xcloselog(BIO* bp)
    367 {
    368 	closelog();
    369 }
    370 
    371 #endif /* Unix */
    372 
    373 #endif /* NO_SYSLOG */
    374