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$routines.h>
  77 #  include <starlet.h>
  78 #elif defined(__ultrix)
  79 #  include <sys/syslog.h>
  80 #elif defined(OPENSSL_SYS_NETWARE)
  81 #  define NO_SYSLOG
  82 #elif (!defined(MSDOS) || defined(WATT32)) && !defined(OPENSSL_SYS_VXWORKS) && !defined(NO_SYSLOG)
  83 #  include <syslog.h>
  84 #endif
  85
  86 #include <openssl/buffer.h>
  87 #include <openssl/err.h>
  88
  89 #ifndef NO_SYSLOG
  90
  91 #if defined(OPENSSL_SYS_WIN32)
  92 #define LOG_EMERG       0
  93 #define LOG_ALERT       1
  94 #define LOG_CRIT        2
  95 #define LOG_ERR         3
  96 #define LOG_WARNING     4
  97 #define LOG_NOTICE      5
  98 #define LOG_INFO        6
  99 #define LOG_DEBUG       7
 100
 101 #define LOG_DAEMON      (3<<3)
 102 #elif defined(OPENSSL_SYS_VMS)
 103 /* On VMS, we don't really care about these, but we need them to compile */
 104 #define LOG_EMERG       0
 105 #define LOG_ALERT       1
 106 #define LOG_CRIT        2
 107 #define LOG_ERR         3
 108 #define LOG_WARNING     4
 109 #define LOG_NOTICE      5
 110 #define LOG_INFO        6
 111 #define LOG_DEBUG       7
 112
 113 #define LOG_DAEMON      OPC$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 */