Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 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 */ |