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). It is
  60  * one-way BIO, it sends all stuff to syslogd (on system that commonly use
  61  * that), or event log (on NT), or OPCOM (on OpenVMS).
  62  *
  63  */
  64
  65 #include <stdio.h>
  66 #include <errno.h>
  67
  68 #include "cryptlib.h"
  69
  70 #if defined(OPENSSL_SYS_WINCE)
  71 #elif defined(OPENSSL_SYS_WIN32)
  72 #elif defined(OPENSSL_SYS_VMS)
  73 # include <opcdef.h>
  74 # include <descrip.h>
  75 # include <lib$routines.h>
  76 # include <starlet.h>
  77 /* Some compiler options may mask the declaration of "_malloc32". */
  78 # if __INITIAL_POINTER_SIZE && defined _ANSI_C_SOURCE
  79 #  if __INITIAL_POINTER_SIZE == 64
  80 #   pragma pointer_size save
  81 #   pragma pointer_size 32
  82 void *_malloc32(__size_t);
  83 #   pragma pointer_size restore
  84 #  endif                        /* __INITIAL_POINTER_SIZE == 64 */
  85 # endif                         /* __INITIAL_POINTER_SIZE && defined
  86                                  * _ANSI_C_SOURCE */
  87 #elif defined(__ultrix)
  88 # include <sys/syslog.h>
  89 #elif defined(OPENSSL_SYS_NETWARE)
  90 # define NO_SYSLOG
  91 #elif (!defined(MSDOS) || defined(WATT32)) && !defined(OPENSSL_SYS_VXWORKS) && !defined(NO_SYSLOG)
  92 # include <syslog.h>
  93 #endif
  94
  95 #include <openssl/buffer.h>
  96 #include <openssl/err.h>
  97
  98 #ifndef NO_SYSLOG
  99
 100 # if defined(OPENSSL_SYS_WIN32)
 101 #  define LOG_EMERG       0
 102 #  define LOG_ALERT       1
 103 #  define LOG_CRIT        2
 104 #  define LOG_ERR         3
 105 #  define LOG_WARNING     4
 106 #  define LOG_NOTICE      5
 107 #  define LOG_INFO        6
 108 #  define LOG_DEBUG       7
 109
 110 #  define LOG_DAEMON      (3<<3)
 111 # elif defined(OPENSSL_SYS_VMS)
 112 /* On VMS, we don't really care about these, but we need them to compile */
 113 #  define LOG_EMERG       0
 114 #  define LOG_ALERT       1
 115 #  define LOG_CRIT        2
 116 #  define LOG_ERR         3
 117 #  define LOG_WARNING     4
 118 #  define LOG_NOTICE      5
 119 #  define LOG_INFO        6
 120 #  define LOG_DEBUG       7
 121
 122 #  define LOG_DAEMON      OPC$M_NM_NTWORK
 123 # endif
 124
 125 static int slg_write(BIO *h, const char *buf, int num);
 126 static int slg_puts(BIO *h, const char *str);
 127 static long slg_ctrl(BIO *h, int cmd, long arg1, void *arg2);
 128 static int slg_new(BIO *h);
 129 static int 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     BIO_TYPE_MEM, "syslog",
 136     slg_write,
 137     NULL,
 138     slg_puts,
 139     NULL,
 140     slg_ctrl,
 141     slg_new,
 142     slg_free,
 143     NULL,
 144 };
 145
 146 BIO_METHOD *BIO_s_log(void)
 147 {
 148     return (&methods_slg);
 149 }
 150
 151 static int slg_new(BIO *bi)
 152 {
 153     bi->init = 1;
 154     bi->num = 0;
 155     bi->ptr = NULL;
 156     xopenlog(bi, "application", LOG_DAEMON);
 157     return (1);
 158 }
 159
 160 static int slg_free(BIO *a)
 161 {
 162     if (a == NULL)
 163         return (0);
 164     xcloselog(a);
 165     return (1);
 166 }
 167
 168 static int 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         int strl;
 176         char str[10];
 177         int log_level;
 178     } mapping[] = {
 179         {
 180             6, "PANIC ", LOG_EMERG
 181         },
 182         {
 183             6, "EMERG ", LOG_EMERG
 184         },
 185         {
 186             4, "EMR ", LOG_EMERG
 187         },
 188         {
 189             6, "ALERT ", LOG_ALERT
 190         },
 191         {
 192             4, "ALR ", LOG_ALERT
 193         },
 194         {
 195             5, "CRIT ", LOG_CRIT
 196         },
 197         {
 198             4, "CRI ", LOG_CRIT
 199         },
 200         {
 201             6, "ERROR ", LOG_ERR
 202         },
 203         {
 204             4, "ERR ", LOG_ERR
 205         },
 206         {
 207             8, "WARNING ", LOG_WARNING
 208         },
 209         {
 210             5, "WARN ", LOG_WARNING
 211         },
 212         {
 213             4, "WAR ", LOG_WARNING
 214         },
 215         {
 216             7, "NOTICE ", LOG_NOTICE
 217         },
 218         {
 219             5, "NOTE ", LOG_NOTICE
 220         },
 221         {
 222             4, "NOT ", LOG_NOTICE
 223         },
 224         {
 225             5, "INFO ", LOG_INFO
 226         },
 227         {
 228             4, "INF ", LOG_INFO
 229         },
 230         {
 231             6, "DEBUG ", LOG_DEBUG
 232         },
 233         {
 234             4, "DBG ", LOG_DEBUG
 235         },
 236         {
 237             0, "", LOG_ERR
 238         }
 239         /* The default */
 240     };
 241
 242     if ((buf = OPENSSL_malloc(inl + 1)) == NULL) {
 243         return (0);
 244     }
 245     strncpy(buf, in, inl);
 246     buf[inl] = '\0';
 247
 248     i = 0;
 249     while (strncmp(buf, mapping[i].str, mapping[i].strl) != 0)
 250         i++;
 251     priority = mapping[i].log_level;
 252     pp = buf + mapping[i].strl;
 253
 254     xsyslog(b, priority, pp);
 255
 256     OPENSSL_free(buf);
 257     return (ret);
 258 }
 259
 260 static long slg_ctrl(BIO *b, int cmd, long num, void *ptr)
 261 {
 262     switch (cmd) {
 263     case BIO_CTRL_SET:
 264         xcloselog(b);
 265         xopenlog(b, ptr, num);
 266         break;
 267     default:
 268         break;
 269     }
 270     return (0);
 271 }
 272
 273 static int slg_puts(BIO *bp, const char *str)
 274 {
 275     int n, ret;
 276
 277     n = strlen(str);
 278     ret = slg_write(bp, str, n);
 279     return (ret);
 280 }
 281
 282 # if defined(OPENSSL_SYS_WIN32)
 283
 284 static void xopenlog(BIO *bp, char *name, int level)
 285 {
 286     if (check_winnt())
 287         bp->ptr = RegisterEventSourceA(NULL, name);
 288     else
 289         bp->ptr = NULL;
 290 }
 291
 292 static void xsyslog(BIO *bp, int priority, const char *string)
 293 {
 294     LPCSTR lpszStrings[2];
 295     WORD evtype = EVENTLOG_ERROR_TYPE;
 296     char pidbuf[DECIMAL_SIZE(DWORD) + 4];
 297
 298     if (bp->ptr == NULL)
 299         return;
 300
 301     switch (priority) {
 302     case LOG_EMERG:
 303     case LOG_ALERT:
 304     case LOG_CRIT:
 305     case LOG_ERR:
 306         evtype = EVENTLOG_ERROR_TYPE;
 307         break;
 308     case LOG_WARNING:
 309         evtype = EVENTLOG_WARNING_TYPE;
 310         break;
 311     case LOG_NOTICE:
 312     case LOG_INFO:
 313     case LOG_DEBUG:
 314         evtype = EVENTLOG_INFORMATION_TYPE;
 315         break;
 316     default:
 317         /*
 318          * Should never happen, but set it
 319          * as error anyway.
 320          */
 321         evtype = EVENTLOG_ERROR_TYPE;
 322         break;
 323     }
 324
 325     sprintf(pidbuf, "[%u] ", GetCurrentProcessId());
 326     lpszStrings[0] = pidbuf;
 327     lpszStrings[1] = string;
 328
 329     ReportEventA(bp->ptr, evtype, 0, 1024, NULL, 2, 0, lpszStrings, NULL);
 330 }
 331
 332 static void xcloselog(BIO *bp)
 333 {
 334     if (bp->ptr)
 335         DeregisterEventSource((HANDLE) (bp->ptr));
 336     bp->ptr = NULL;
 337 }
 338
 339 # elif defined(OPENSSL_SYS_VMS)
 340
 341 static int VMS_OPC_target = LOG_DAEMON;
 342
 343 static void xopenlog(BIO *bp, char *name, int level)
 344 {
 345     VMS_OPC_target = level;
 346 }
 347
 348 static void xsyslog(BIO *bp, int priority, const char *string)
 349 {
 350     struct dsc$descriptor_s opc_dsc;
 351
 352 /* Arrange 32-bit pointer to opcdef buffer and malloc(), if needed. */
 353 #  if __INITIAL_POINTER_SIZE == 64
 354 #   pragma pointer_size save
 355 #   pragma pointer_size 32
 356 #   define OPCDEF_TYPE __char_ptr32
 357 #   define OPCDEF_MALLOC _malloc32
 358 #  else                         /* __INITIAL_POINTER_SIZE == 64 */
 359 #   define OPCDEF_TYPE char *
 360 #   define OPCDEF_MALLOC OPENSSL_malloc
 361 #  endif                        /* __INITIAL_POINTER_SIZE == 64 [else] */
 362
 363     struct opcdef *opcdef_p;
 364
 365 #  if __INITIAL_POINTER_SIZE == 64
 366 #   pragma pointer_size restore
 367 #  endif                        /* __INITIAL_POINTER_SIZE == 64 */
 368
 369     char buf[10240];
 370     unsigned int len;
 371     struct dsc$descriptor_s buf_dsc;
 372     $DESCRIPTOR(fao_cmd, "!AZ: !AZ");
 373     char *priority_tag;
 374
 375     switch (priority) {
 376     case LOG_EMERG:
 377         priority_tag = "Emergency";
 378         break;
 379     case LOG_ALERT:
 380         priority_tag = "Alert";
 381         break;
 382     case LOG_CRIT:
 383         priority_tag = "Critical";
 384         break;
 385     case LOG_ERR:
 386         priority_tag = "Error";
 387         break;
 388     case LOG_WARNING:
 389         priority_tag = "Warning";
 390         break;
 391     case LOG_NOTICE:
 392         priority_tag = "Notice";
 393         break;
 394     case LOG_INFO:
 395         priority_tag = "Info";
 396         break;
 397     case LOG_DEBUG:
 398         priority_tag = "DEBUG";
 399         break;
 400     }
 401
 402     buf_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
 403     buf_dsc.dsc$b_class = DSC$K_CLASS_S;
 404     buf_dsc.dsc$a_pointer = buf;
 405     buf_dsc.dsc$w_length = sizeof(buf) - 1;
 406
 407     lib$sys_fao(&fao_cmd, &len, &buf_dsc, priority_tag, string);
 408
 409     /* We know there's an 8-byte header.  That's documented. */
 410     opcdef_p = OPCDEF_MALLOC(8 + len);
 411     opcdef_p->opc$b_ms_type = OPC$_RQ_RQST;
 412     memcpy(opcdef_p->opc$z_ms_target_classes, &VMS_OPC_target, 3);
 413     opcdef_p->opc$l_ms_rqstid = 0;
 414     memcpy(&opcdef_p->opc$l_ms_text, buf, len);
 415
 416     opc_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
 417     opc_dsc.dsc$b_class = DSC$K_CLASS_S;
 418     opc_dsc.dsc$a_pointer = (OPCDEF_TYPE) opcdef_p;
 419     opc_dsc.dsc$w_length = len + 8;
 420
 421     sys$sndopr(opc_dsc, 0);
 422
 423     OPENSSL_free(opcdef_p);
 424 }
 425
 426 static void xcloselog(BIO *bp)
 427 {
 428 }
 429
 430 # else                          /* Unix/Watt32 */
 431
 432 static void xopenlog(BIO *bp, char *name, int level)
 433 {
 434 #  ifdef WATT32                 /* djgpp/DOS */
 435     openlog(name, LOG_PID | LOG_CONS | LOG_NDELAY, level);
 436 #  else
 437     openlog(name, LOG_PID | LOG_CONS, level);
 438 #  endif
 439 }
 440
 441 static void xsyslog(BIO *bp, int priority, const char *string)
 442 {
 443     syslog(priority, "%s", string);
 444 }
 445
 446 static void xcloselog(BIO *bp)
 447 {
 448     closelog();
 449 }
 450
 451 # endif                         /* Unix */
 452
 453 #endif                          /* NO_SYSLOG */