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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$routines.h>
     77 #  include <starlet.h>
     78 /* Some compiler options may mask the declaration of "_malloc32". */
     79 #  if __INITIAL_POINTER_SIZE && defined _ANSI_C_SOURCE
     80 #    if __INITIAL_POINTER_SIZE == 64
     81 #      pragma pointer_size save
     82 #      pragma pointer_size 32
     83     void * _malloc32  (__size_t);
     84 #      pragma pointer_size restore
     85 #    endif /* __INITIAL_POINTER_SIZE == 64 */
     86 #  endif /* __INITIAL_POINTER_SIZE && defined _ANSI_C_SOURCE */
     87 #elif defined(__ultrix)
     88 #  include <sys/syslog.h>
     89 #elif defined(OPENSSL_SYS_NETWARE)
     90 #  define NO_SYSLOG
     91 #elif (!defined(MSDOS) || defined(WATT32)) && !defined(OPENSSL_SYS_VXWORKS) && !defined(NO_SYSLOG)
     92 #  include <syslog.h>
     93 #endif
     94 
     95 #include <openssl/buffer.h>
     96 #include <openssl/err.h>
     97 
     98 #ifndef NO_SYSLOG
     99 
    100 #if defined(OPENSSL_SYS_WIN32)
    101 #define LOG_EMERG	0
    102 #define LOG_ALERT	1
    103 #define LOG_CRIT	2
    104 #define LOG_ERR		3
    105 #define LOG_WARNING	4
    106 #define LOG_NOTICE	5
    107 #define LOG_INFO	6
    108 #define LOG_DEBUG	7
    109 
    110 #define LOG_DAEMON	(3<<3)
    111 #elif defined(OPENSSL_SYS_VMS)
    112 /* On VMS, we don't really care about these, but we need them to compile */
    113 #define LOG_EMERG	0
    114 #define LOG_ALERT	1
    115 #define LOG_CRIT	2
    116 #define LOG_ERR		3
    117 #define LOG_WARNING	4
    118 #define LOG_NOTICE	5
    119 #define LOG_INFO	6
    120 #define LOG_DEBUG	7
    121 
    122 #define LOG_DAEMON	OPC$M_NM_NTWORK
    123 #endif
    124 
    125 static int MS_CALLBACK slg_write(BIO *h, const char *buf, int num);
    126 static int MS_CALLBACK slg_puts(BIO *h, const char *str);
    127 static long MS_CALLBACK slg_ctrl(BIO *h, int cmd, long arg1, void *arg2);
    128 static int MS_CALLBACK slg_new(BIO *h);
    129 static int MS_CALLBACK slg_free(BIO *data);
    130 static void xopenlog(BIO* bp, char* name, int level);
    131 static void xsyslog(BIO* bp, int priority, const char* string);
    132 static void xcloselog(BIO* bp);
    133 
    134 static BIO_METHOD methods_slg=
    135 	{
    136 	BIO_TYPE_MEM,"syslog",
    137 	slg_write,
    138 	NULL,
    139 	slg_puts,
    140 	NULL,
    141 	slg_ctrl,
    142 	slg_new,
    143 	slg_free,
    144 	NULL,
    145 	};
    146 
    147 BIO_METHOD *BIO_s_log(void)
    148 	{
    149 	return(&methods_slg);
    150 	}
    151 
    152 static int MS_CALLBACK slg_new(BIO *bi)
    153 	{
    154 	bi->init=1;
    155 	bi->num=0;
    156 	bi->ptr=NULL;
    157 	xopenlog(bi, "application", LOG_DAEMON);
    158 	return(1);
    159 	}
    160 
    161 static int MS_CALLBACK slg_free(BIO *a)
    162 	{
    163 	if (a == NULL) return(0);
    164 	xcloselog(a);
    165 	return(1);
    166 	}
    167 
    168 static int MS_CALLBACK slg_write(BIO *b, const char *in, int inl)
    169 	{
    170 	int ret= inl;
    171 	char* buf;
    172 	char* pp;
    173 	int priority, i;
    174 	static const struct
    175 		{
    176 		int strl;
    177 		char str[10];
    178 		int log_level;
    179 		}
    180 	mapping[] =
    181 		{
    182 		{ 6, "PANIC ", LOG_EMERG },
    183 		{ 6, "EMERG ", LOG_EMERG },
    184 		{ 4, "EMR ", LOG_EMERG },
    185 		{ 6, "ALERT ", LOG_ALERT },
    186 		{ 4, "ALR ", LOG_ALERT },
    187 		{ 5, "CRIT ", LOG_CRIT },
    188 		{ 4, "CRI ", LOG_CRIT },
    189 		{ 6, "ERROR ", LOG_ERR },
    190 		{ 4, "ERR ", LOG_ERR },
    191 		{ 8, "WARNING ", LOG_WARNING },
    192 		{ 5, "WARN ", LOG_WARNING },
    193 		{ 4, "WAR ", LOG_WARNING },
    194 		{ 7, "NOTICE ", LOG_NOTICE },
    195 		{ 5, "NOTE ", LOG_NOTICE },
    196 		{ 4, "NOT ", LOG_NOTICE },
    197 		{ 5, "INFO ", LOG_INFO },
    198 		{ 4, "INF ", LOG_INFO },
    199 		{ 6, "DEBUG ", LOG_DEBUG },
    200 		{ 4, "DBG ", LOG_DEBUG },
    201 		{ 0, "", LOG_ERR } /* The default */
    202 		};
    203 
    204 	if((buf= (char *)OPENSSL_malloc(inl+ 1)) == NULL){
    205 		return(0);
    206 	}
    207 	strncpy(buf, in, inl);
    208 	buf[inl]= '\0';
    209 
    210 	i = 0;
    211 	while(strncmp(buf, mapping[i].str, mapping[i].strl) != 0) i++;
    212 	priority = mapping[i].log_level;
    213 	pp = buf + mapping[i].strl;
    214 
    215 	xsyslog(b, priority, pp);
    216 
    217 	OPENSSL_free(buf);
    218 	return(ret);
    219 	}
    220 
    221 static long MS_CALLBACK slg_ctrl(BIO *b, int cmd, long num, void *ptr)
    222 	{
    223 	switch (cmd)
    224 		{
    225 	case BIO_CTRL_SET:
    226 		xcloselog(b);
    227 		xopenlog(b, ptr, num);
    228 		break;
    229 	default:
    230 		break;
    231 		}
    232 	return(0);
    233 	}
    234 
    235 static int MS_CALLBACK slg_puts(BIO *bp, const char *str)
    236 	{
    237 	int n,ret;
    238 
    239 	n=strlen(str);
    240 	ret=slg_write(bp,str,n);
    241 	return(ret);
    242 	}
    243 
    244 #if defined(OPENSSL_SYS_WIN32)
    245 
    246 static void xopenlog(BIO* bp, char* name, int level)
    247 {
    248 	if (check_winnt())
    249 		bp->ptr = RegisterEventSourceA(NULL,name);
    250 	else
    251 		bp->ptr = NULL;
    252 }
    253 
    254 static void xsyslog(BIO *bp, int priority, const char *string)
    255 {
    256 	LPCSTR lpszStrings[2];
    257 	WORD evtype= EVENTLOG_ERROR_TYPE;
    258 	char pidbuf[DECIMAL_SIZE(DWORD)+4];
    259 
    260 	if (bp->ptr == NULL)
    261 		return;
    262 
    263 	switch (priority)
    264 		{
    265 	case LOG_EMERG:
    266 	case LOG_ALERT:
    267 	case LOG_CRIT:
    268 	case LOG_ERR:
    269 		evtype = EVENTLOG_ERROR_TYPE;
    270 		break;
    271 	case LOG_WARNING:
    272 		evtype = EVENTLOG_WARNING_TYPE;
    273 		break;
    274 	case LOG_NOTICE:
    275 	case LOG_INFO:
    276 	case LOG_DEBUG:
    277 		evtype = EVENTLOG_INFORMATION_TYPE;
    278 		break;
    279 	default:		/* Should never happen, but set it
    280 				   as error anyway. */
    281 		evtype = EVENTLOG_ERROR_TYPE;
    282 		break;
    283 		}
    284 
    285 	sprintf(pidbuf, "[%u] ", GetCurrentProcessId());
    286 	lpszStrings[0] = pidbuf;
    287 	lpszStrings[1] = string;
    288 
    289 	ReportEventA(bp->ptr, evtype, 0, 1024, NULL, 2, 0,
    290 				lpszStrings, NULL);
    291 }
    292 
    293 static void xcloselog(BIO* bp)
    294 {
    295 	if(bp->ptr)
    296 		DeregisterEventSource((HANDLE)(bp->ptr));
    297 	bp->ptr= NULL;
    298 }
    299 
    300 #elif defined(OPENSSL_SYS_VMS)
    301 
    302 static int VMS_OPC_target = LOG_DAEMON;
    303 
    304 static void xopenlog(BIO* bp, char* name, int level)
    305 {
    306 	VMS_OPC_target = level;
    307 }
    308 
    309 static void xsyslog(BIO *bp, int priority, const char *string)
    310 {
    311 	struct dsc$descriptor_s opc_dsc;
    312 
    313 /* Arrange 32-bit pointer to opcdef buffer and malloc(), if needed. */
    314 #if __INITIAL_POINTER_SIZE == 64
    315 # pragma pointer_size save
    316 # pragma pointer_size 32
    317 # define OPCDEF_TYPE __char_ptr32
    318 # define OPCDEF_MALLOC _malloc32
    319 #else /* __INITIAL_POINTER_SIZE == 64 */
    320 # define OPCDEF_TYPE char *
    321 # define OPCDEF_MALLOC OPENSSL_malloc
    322 #endif /* __INITIAL_POINTER_SIZE == 64 [else] */
    323 
    324 	struct opcdef *opcdef_p;
    325 
    326 #if __INITIAL_POINTER_SIZE == 64
    327 # pragma pointer_size restore
    328 #endif /* __INITIAL_POINTER_SIZE == 64 */
    329 
    330 	char buf[10240];
    331 	unsigned int len;
    332         struct dsc$descriptor_s buf_dsc;
    333 	$DESCRIPTOR(fao_cmd, "!AZ: !AZ");
    334 	char *priority_tag;
    335 
    336 	switch (priority)
    337 	  {
    338 	  case LOG_EMERG: priority_tag = "Emergency"; break;
    339 	  case LOG_ALERT: priority_tag = "Alert"; break;
    340 	  case LOG_CRIT: priority_tag = "Critical"; break;
    341 	  case LOG_ERR: priority_tag = "Error"; break;
    342 	  case LOG_WARNING: priority_tag = "Warning"; break;
    343 	  case LOG_NOTICE: priority_tag = "Notice"; break;
    344 	  case LOG_INFO: priority_tag = "Info"; break;
    345 	  case LOG_DEBUG: priority_tag = "DEBUG"; break;
    346 	  }
    347 
    348 	buf_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
    349 	buf_dsc.dsc$b_class = DSC$K_CLASS_S;
    350 	buf_dsc.dsc$a_pointer = buf;
    351 	buf_dsc.dsc$w_length = sizeof(buf) - 1;
    352 
    353 	lib$sys_fao(&fao_cmd, &len, &buf_dsc, priority_tag, string);
    354 
    355 	/* We know there's an 8-byte header.  That's documented. */
    356 	opcdef_p = OPCDEF_MALLOC( 8+ len);
    357 	opcdef_p->opc$b_ms_type = OPC$_RQ_RQST;
    358 	memcpy(opcdef_p->opc$z_ms_target_classes, &VMS_OPC_target, 3);
    359 	opcdef_p->opc$l_ms_rqstid = 0;
    360 	memcpy(&opcdef_p->opc$l_ms_text, buf, len);
    361 
    362 	opc_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
    363 	opc_dsc.dsc$b_class = DSC$K_CLASS_S;
    364 	opc_dsc.dsc$a_pointer = (OPCDEF_TYPE) opcdef_p;
    365 	opc_dsc.dsc$w_length = len + 8;
    366 
    367 	sys$sndopr(opc_dsc, 0);
    368 
    369 	OPENSSL_free(opcdef_p);
    370 }
    371 
    372 static void xcloselog(BIO* bp)
    373 {
    374 }
    375 
    376 #else /* Unix/Watt32 */
    377 
    378 static void xopenlog(BIO* bp, char* name, int level)
    379 {
    380 #ifdef WATT32   /* djgpp/DOS */
    381 	openlog(name, LOG_PID|LOG_CONS|LOG_NDELAY, level);
    382 #else
    383 	openlog(name, LOG_PID|LOG_CONS, level);
    384 #endif
    385 }
    386 
    387 static void xsyslog(BIO *bp, int priority, const char *string)
    388 {
    389 	syslog(priority, "%s", string);
    390 }
    391 
    392 static void xcloselog(BIO* bp)
    393 {
    394 	closelog();
    395 }
    396 
    397 #endif /* Unix */
    398 
    399 #endif /* NO_SYSLOG */
    400