release/src/router/openssl/crypto/bio/bss_log.c

   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@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@cryptsoft.com).  This product includes software written by Tim
  52  * Hudson (tjh@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 (GetVersion() < 0x80000000)
 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 */