src/protos.h

   1 /*
   2  * SQUID Web Proxy Cache          http://www.squid-cache.org/
   3  * ----------------------------------------------------------
   4  *
   5  *  Squid is the result of efforts by numerous individuals from
   6  *  the Internet community; see the CONTRIBUTORS file for full
   7  *  details.   Many organizations have provided support for Squid's
   8  *  development; see the SPONSORS file for full details.  Squid is
   9  *  Copyrighted (C) 2001 by the Regents of the University of
  10  *  California; see the COPYRIGHT file for full details.  Squid
  11  *  incorporates software developed and/or copyrighted by other
  12  *  sources; see the CREDITS file for full details.
  13  *
  14  *  This program is free software; you can redistribute it and/or modify
  15  *  it under the terms of the GNU General Public License as published by
  16  *  the Free Software Foundation; either version 2 of the License, or
  17  *  (at your option) any later version.
  18  *
  19  *  This program is distributed in the hope that it will be useful,
  20  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22  *  GNU General Public License for more details.
  23  *
  24  *  You should have received a copy of the GNU General Public License
  25  *  along with this program; if not, write to the Free Software
  26  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
  27  *
  28  */
  29 #ifndef SQUID_PROTOS_H
  30 #define SQUID_PROTOS_H
  31
  32 /* included for routines that have not moved out to their proper homes
  33  * yet.
  34  */
  35 #include "Packer.h"
  36 /* for routines still in this file that take CacheManager parameters */
  37 #include "ip/Address.h"
  38 /* for parameters that still need these */
  39 #include "enums.h"
  40 /* some parameters stil need this */
  41 #include "wordlist.h"
  42 #include "anyp/ProtocolType.h"
  43 #include "Debug.h"
  44 #include "HttpHeader.h"
  45 #include "HttpStatusCode.h"
  46 #include "lookup_t.h"
  47
  48
  49 class HttpRequestMethod;
  50 #if USE_DELAY_POOLS
  51 class ClientInfo;
  52 #endif
  53
  54
  55 #if USE_FORW_VIA_DB
  56 extern void fvdbCountVia(const char *key);
  57 extern void fvdbCountForw(const char *key);
  58 #endif
  59 #if HEADERS_LOG
  60 SQUIDCEXTERN void headersLog(int cs, int pq, const HttpRequestMethod& m, void *data);
  61 #endif
  62 extern int logTypeIsATcpHit(log_type);
  63
  64 /*
  65  * cache_cf.c
  66  */
  67 SQUIDCEXTERN void configFreeMemory(void);
  68 class MemBuf;
  69 extern void self_destruct(void);
  70 SQUIDCEXTERN void add_http_port(char *portspec);
  71 extern int xatoi(const char *token);
  72 extern long xatol(const char *token);
  73
  74
  75 /* extra functions from cache_cf.c useful for lib modules */
  76 SQUIDCEXTERN void parse_int(int *var);
  77 SQUIDCEXTERN void parse_onoff(int *var);
  78 SQUIDCEXTERN void parse_eol(char *volatile *var);
  79 SQUIDCEXTERN void parse_wordlist(wordlist ** list);
  80 SQUIDCEXTERN void requirePathnameExists(const char *name, const char *path);
  81 SQUIDCEXTERN void parse_time_t(time_t * var);
  82
  83
  84 /* client_side.c - FD related client side routines */
  85
  86 SQUIDCEXTERN void clientOpenListenSockets(void);
  87 SQUIDCEXTERN void clientHttpConnectionsClose(void);
  88 SQUIDCEXTERN void httpRequestFree(void *);
  89
  90 extern void clientAccessCheck(void *);
  91
  92
  93 /* packs, then prints an object using debugs() */
  94 SQUIDCEXTERN void debugObj(int section, int level, const char *label, void *obj, ObjPackMethod pm);
  95
  96 /* disk.c */
  97 SQUIDCEXTERN int file_open(const char *path, int mode);
  98 SQUIDCEXTERN void file_close(int fd);
  99 /* Adapter file_write for object callbacks */
 100
 101 template <class O>
 102 void
 103 FreeObject(void *address)
 104 {
 105     O *anObject = static_cast <O *>(address);
 106     delete anObject;
 107 }
 108
 109 SQUIDCEXTERN void file_write(int, off_t, void const *, int len, DWCB *, void *, FREE *);
 110 SQUIDCEXTERN void file_write_mbuf(int fd, off_t, MemBuf mb, DWCB * handler, void *handler_data);
 111 SQUIDCEXTERN void file_read(int, char *, int, off_t, DRCB *, void *);
 112 SQUIDCEXTERN void disk_init(void);
 113
 114 extern void fd_close(int fd);
 115 extern void fd_open(int fd, unsigned int type, const char *);
 116 extern void fd_note(int fd, const char *);
 117 extern void fd_bytes(int fd, int len, unsigned int type);
 118 extern void fdDumpOpen(void);
 119 extern int fdUsageHigh(void);
 120 extern void fdAdjustReserved(void);
 121
 122 class FwdState;
 123
 124 /**
 125  \defgroup ServerProtocolFTPAPI Server-Side FTP API
 126  \ingroup ServerProtocol
 127  */
 128
 129 /// \ingroup ServerProtocolFTPAPI
 130 SQUIDCEXTERN void ftpStart(FwdState *);
 131
 132 class HttpRequest;
 133 class HttpReply;
 134
 135 /// \ingroup ServerProtocolFTPAPI
 136 SQUIDCEXTERN const char *ftpUrlWith2f(HttpRequest *);
 137
 138
 139
 140
 141 /**
 142  \defgroup ServerProtocolWhoisAPI Server-Side WHOIS API
 143  \ingroup ServerProtocol
 144  */
 145
 146 /// \ingroup ServerProtocolWhoisAPI
 147 SQUIDCEXTERN void whoisStart(FwdState *);
 148
 149
 150 /* http.c */
 151 /* for http_hdr_type field */
 152 SQUIDCEXTERN int httpCachable(const HttpRequestMethod&);
 153 SQUIDCEXTERN void httpStart(FwdState *);
 154 SQUIDCEXTERN mb_size_t httpBuildRequestPrefix(HttpRequest * request,
 155         HttpRequest * orig_request,
 156         StoreEntry * entry,
 157         MemBuf * mb,
 158         http_state_flags);
 159 extern const char *httpMakeVaryMark(HttpRequest * request, HttpReply const * reply);
 160
 161
 162 /* Http Header Tools */
 163 class HttpHeaderFieldInfo;
 164 SQUIDCEXTERN HttpHeaderFieldInfo *httpHeaderBuildFieldsInfo(const HttpHeaderFieldAttrs * attrs, int count);
 165 SQUIDCEXTERN void httpHeaderDestroyFieldsInfo(HttpHeaderFieldInfo * info, int count);
 166 SQUIDCEXTERN http_hdr_type httpHeaderIdByName(const char *name, size_t name_len, const HttpHeaderFieldInfo * attrs, int end);
 167 SQUIDCEXTERN http_hdr_type httpHeaderIdByNameDef(const char *name, int name_len);
 168 SQUIDCEXTERN const char *httpHeaderNameById(int id);
 169 SQUIDCEXTERN int httpHeaderHasConnDir(const HttpHeader * hdr, const char *directive);
 170 SQUIDCEXTERN void strListAdd(String * str, const char *item, char del);
 171 SQUIDCEXTERN int strListIsMember(const String * str, const char *item, char del);
 172 SQUIDCEXTERN int strListIsSubstr(const String * list, const char *s, char del);
 173 SQUIDCEXTERN int strListGetItem(const String * str, char del, const char **item, int *ilen, const char **pos);
 174 SQUIDCEXTERN const char *getStringPrefix(const char *str, const char *end);
 175 SQUIDCEXTERN int httpHeaderParseInt(const char *start, int *val);
 176 SQUIDCEXTERN void httpHeaderPutStrf(HttpHeader * hdr, http_hdr_type id, const char *fmt,...) PRINTF_FORMAT_ARG3;
 177
 178
 179
 180 /* store report about current header usage and other stats */
 181 void httpHeaderStoreReport(StoreEntry * e);
 182 SQUIDCEXTERN void httpHdrMangleList(HttpHeader *, HttpRequest *, int req_or_rep);
 183
 184 #if SQUID_SNMP
 185 SQUIDCEXTERN PF snmpHandleUdp;
 186 SQUIDCEXTERN void snmpInit(void);
 187 SQUIDCEXTERN void snmpOpenPorts(void);
 188 SQUIDCEXTERN void snmpClosePorts(void);
 189 SQUIDCEXTERN const char * snmpDebugOid(oid * Name, snint Len, MemBuf &outbuf);
 190
 191 SQUIDCEXTERN void addr2oid(Ip::Address &addr, oid *Dest);
 192 SQUIDCEXTERN void oid2addr(oid *Dest, Ip::Address &addr, u_int code);
 193
 194 SQUIDCEXTERN Ip::Address *client_entry(Ip::Address *current);
 195 extern variable_list *snmp_basicFn(variable_list *, snint *);
 196 extern variable_list *snmp_confFn(variable_list *, snint *);
 197 extern variable_list *snmp_sysFn(variable_list *, snint *);
 198 extern variable_list *snmp_prfSysFn(variable_list *, snint *);
 199 extern variable_list *snmp_prfProtoFn(variable_list *, snint *);
 200 extern variable_list *snmp_prfPeerFn(variable_list *, snint *);
 201 extern variable_list *snmp_netIpFn(variable_list *, snint *);
 202 extern variable_list *snmp_netFqdnFn(variable_list *, snint *);
 203 extern variable_list *snmp_netDnsFn(variable_list *, snint *);
 204 extern variable_list *snmp_meshPtblFn(variable_list *, snint *);
 205 extern variable_list *snmp_meshCtblFn(variable_list *, snint *);
 206 #endif /* SQUID_SNMP */
 207
 208 extern char *mime_get_header(const char *mime, const char *header);
 209 extern char *mime_get_header_field(const char *mime, const char *name, const char *prefix);
 210 extern size_t headersEnd(const char *, size_t);
 211
 212 extern void mimeInit(char *filename);
 213 extern void mimeFreeMemory(void);
 214 extern char *mimeGetContentEncoding(const char *fn);
 215 extern char *mimeGetContentType(const char *fn);
 216 extern char const *mimeGetIcon(const char *fn);
 217 extern const char *mimeGetIconURL(const char *fn);
 218 extern char mimeGetTransferMode(const char *fn);
 219 extern int mimeGetDownloadOption(const char *fn);
 220 extern int mimeGetViewOption(const char *fn);
 221
 222 #include "ipcache.h"
 223 extern int mcastSetTtl(int, int);
 224 extern IPH mcastJoinGroups;
 225
 226 #include "comm/forward.h"
 227 extern void getOutgoingAddress(HttpRequest * request, Comm::ConnectionPointer conn);
 228 extern Ip::Address getOutgoingAddr(HttpRequest * request, struct peer *dst_peer);
 229
 230 SQUIDCEXTERN void urnStart(HttpRequest *, StoreEntry *);
 231
 232 SQUIDCEXTERN void redirectInit(void);
 233 SQUIDCEXTERN void redirectShutdown(void);
 234
 235
 236 extern void shut_down(int);
 237 extern void rotate_logs(int);
 238 extern void reconfigure(int);
 239
 240
 241 extern void start_announce(void *unused);
 242 extern void waisStart(FwdState *);
 243
 244 SQUIDCEXTERN void statInit(void);
 245 SQUIDCEXTERN void statFreeMemory(void);
 246 SQUIDCEXTERN double median_svc_get(int, int);
 247 SQUIDCEXTERN void pconnHistCount(int, int);
 248 SQUIDCEXTERN int stat5minClientRequests(void);
 249 SQUIDCEXTERN double stat5minCPUUsage(void);
 250 SQUIDCEXTERN double statRequestHitRatio(int minutes);
 251 SQUIDCEXTERN double statRequestHitMemoryRatio(int minutes);
 252 SQUIDCEXTERN double statRequestHitDiskRatio(int minutes);
 253 SQUIDCEXTERN double statByteHitRatio(int minutes);
 254
 255 /* mem */
 256 SQUIDCEXTERN void memClean(void);
 257 SQUIDCEXTERN void memInitModule(void);
 258 SQUIDCEXTERN void memCleanModule(void);
 259 SQUIDCEXTERN void memConfigure(void);
 260 SQUIDCEXTERN void *memAllocate(mem_type);
 261 SQUIDCEXTERN void *memAllocString(size_t net_size, size_t * gross_size);
 262 SQUIDCEXTERN void *memAllocBuf(size_t net_size, size_t * gross_size);
 263 SQUIDCEXTERN void *memReallocBuf(void *buf, size_t net_size, size_t * gross_size);
 264 SQUIDCEXTERN void memFree(void *, int type);
 265 void memFree2K(void *);
 266 void memFree4K(void *);
 267 void memFree8K(void *);
 268 void memFree16K(void *);
 269 void memFree32K(void *);
 270 void memFree64K(void *);
 271 SQUIDCEXTERN void memFreeString(size_t size, void *);
 272 SQUIDCEXTERN void memFreeBuf(size_t size, void *);
 273 SQUIDCEXTERN FREE *memFreeBufFunc(size_t size);
 274 SQUIDCEXTERN int memInUse(mem_type);
 275 SQUIDCEXTERN void memDataInit(mem_type, const char *, size_t, int, bool zeroOnPush = true);
 276 SQUIDCEXTERN void memCheckInit(void);
 277
 278
 279 /* Mem */
 280 SQUIDCEXTERN void memConfigure(void);
 281
 282 /* ----------------------------------------------------------------- */
 283
 284 /* repl_modules.c */
 285 extern void storeReplSetup(void);
 286
 287 /*
 288  * store_log.c
 289  */
 290 extern void storeLog(int tag, const StoreEntry * e);
 291 extern void storeLogRotate(void);
 292 extern void storeLogClose(void);
 293 extern void storeLogOpen(void);
 294
 295
 296 /*
 297  * store_key_*.c
 298  */
 299 SQUIDCEXTERN cache_key *storeKeyDup(const cache_key *);
 300 SQUIDCEXTERN cache_key *storeKeyCopy(cache_key *, const cache_key *);
 301 SQUIDCEXTERN void storeKeyFree(const cache_key *);
 302 SQUIDCEXTERN const cache_key *storeKeyScan(const char *);
 303 SQUIDCEXTERN const char *storeKeyText(const cache_key *);
 304 SQUIDCEXTERN const cache_key *storeKeyPublic(const char *, const HttpRequestMethod&);
 305 SQUIDCEXTERN const cache_key *storeKeyPublicByRequest(HttpRequest *);
 306 SQUIDCEXTERN const cache_key *storeKeyPublicByRequestMethod(HttpRequest *, const HttpRequestMethod&);
 307 SQUIDCEXTERN const cache_key *storeKeyPrivate(const char *, const HttpRequestMethod&, int);
 308 SQUIDCEXTERN int storeKeyHashBuckets(int);
 309 SQUIDCEXTERN int storeKeyNull(const cache_key *);
 310 SQUIDCEXTERN void storeKeyInit(void);
 311 SQUIDCEXTERN HASHHASH storeKeyHashHash;
 312 SQUIDCEXTERN HASHCMP storeKeyHashCmp;
 313
 314 /*
 315  * store_digest.c
 316  */
 317 extern void storeDigestInit(void);
 318 extern void storeDigestNoteStoreReady(void);
 319 extern void storeDigestScheduleRebuild(void);
 320 extern void storeDigestDel(const StoreEntry * entry);
 321 extern void storeDigestReport(StoreEntry *);
 322
 323 /*
 324  * store_rebuild.c
 325  */
 326 SQUIDCEXTERN void storeRebuildStart(void);
 327
 328 SQUIDCEXTERN void storeRebuildComplete(struct _store_rebuild_data *);
 329 SQUIDCEXTERN void storeRebuildProgress(int sd_index, int total, int sofar);
 330
 331 /// loads entry from disk; fills supplied memory buffer on success
 332 extern bool storeRebuildLoadEntry(int fd, int diskIndex, MemBuf &buf, struct _store_rebuild_data &counts);
 333 /// parses entry buffer and validates entry metadata; fills e on success
 334 extern bool storeRebuildParseEntry(MemBuf &buf, StoreEntry &e, cache_key *key, struct _store_rebuild_data &counts, uint64_t expectedSize);
 335 /// checks whether the loaded entry should be kept; updates counters
 336 extern bool storeRebuildKeepEntry(const StoreEntry &e, const cache_key *key, struct _store_rebuild_data &counts);
 337
 338
 339 /*
 340  * store_swapin.c
 341  */
 342 class store_client;
 343 extern void storeSwapInStart(store_client *);
 344
 345 /*
 346  * store_client.c
 347  */
 348 SQUIDCEXTERN store_client *storeClientListAdd(StoreEntry * e, void *data);
 349 SQUIDCEXTERN int storeClientCopyPending(store_client *, StoreEntry * e, void *data);
 350 SQUIDCEXTERN int storeUnregister(store_client * sc, StoreEntry * e, void *data)
 351 ;
 352 SQUIDCEXTERN int storePendingNClients(const StoreEntry * e);
 353 SQUIDCEXTERN int storeClientIsThisAClient(store_client * sc, void *someClient);
 354
 355
 356 SQUIDCEXTERN const char *getMyHostname(void);
 357 SQUIDCEXTERN const char *uniqueHostname(void);
 358 SQUIDCEXTERN void safeunlink(const char *path, int quiet);
 359
 360 #include "fatal.h"
 361 extern void death(int sig);
 362 extern void sigusr2_handle(int sig);
 363 extern void sig_child(int sig);
 364 extern void sig_shutdown(int sig); ///< handles shutdown notifications from kids
 365 SQUIDCEXTERN void leave_suid(void);
 366 SQUIDCEXTERN void enter_suid(void);
 367 SQUIDCEXTERN void no_suid(void);
 368 SQUIDCEXTERN void writePidFile(void);
 369 SQUIDCEXTERN void setSocketShutdownLifetimes(int);
 370 SQUIDCEXTERN void setMaxFD(void);
 371 SQUIDCEXTERN void setSystemLimits(void);
 372 extern void squid_signal(int sig, SIGHDLR *, int flags);
 373 SQUIDCEXTERN pid_t readPidFile(void);
 374 SQUIDCEXTERN void keepCapabilities(void);
 375 SQUIDCEXTERN void BroadcastSignalIfAny(int& sig);
 376 /// whether the current process is the parent of all other Squid processes
 377 SQUIDCEXTERN bool IamMasterProcess();
 378 /**
 379     whether the current process is dedicated to doing things that only
 380     a single process should do, such as PID file maintenance and WCCP
 381 */
 382 SQUIDCEXTERN bool IamPrimaryProcess();
 383 /// whether the current process coordinates worker processes
 384 SQUIDCEXTERN bool IamCoordinatorProcess();
 385 /// whether the current process handles HTTP transactions and such
 386 SQUIDCEXTERN bool IamWorkerProcess();
 387 /// whether the current process is dedicated to managing a cache_dir
 388 extern bool IamDiskProcess();
 389 /// Whether we are running in daemon mode
 390 SQUIDCEXTERN bool InDaemonMode(); // try using specific Iam*() checks above first
 391 /// Whether there should be more than one worker process running
 392 SQUIDCEXTERN bool UsingSmp(); // try using specific Iam*() checks above first
 393 /// number of Kid processes as defined in src/ipc/Kid.h
 394 SQUIDCEXTERN int NumberOfKids();
 395 /// a string describing this process roles such as worker or coordinator
 396 extern String ProcessRoles();
 397 SQUIDCEXTERN int DebugSignal;
 398
 399 /* AYJ debugs function to show locations being reset with memset() */
 400 SQUIDCEXTERN void *xmemset(void *dst, int, size_t);
 401
 402 SQUIDCEXTERN void debug_trap(const char *);
 403 SQUIDCEXTERN void logsFlush(void);
 404 SQUIDCEXTERN const char *checkNullString(const char *p);
 405
 406 SQUIDCEXTERN void squid_getrusage(struct rusage *r);
 407
 408 SQUIDCEXTERN double rusage_cputime(struct rusage *r);
 409
 410 SQUIDCEXTERN int rusage_maxrss(struct rusage *r);
 411
 412 SQUIDCEXTERN int rusage_pagefaults(struct rusage *r);
 413 SQUIDCEXTERN void releaseServerSockets(void);
 414 SQUIDCEXTERN void PrintRusage(void);
 415 SQUIDCEXTERN void dumpMallocStats(void);
 416
 417 #if USE_UNLINKD
 418 SQUIDCEXTERN bool unlinkdNeeded(void);
 419 SQUIDCEXTERN void unlinkdInit(void);
 420 SQUIDCEXTERN void unlinkdClose(void);
 421 SQUIDCEXTERN void unlinkdUnlink(const char *);
 422 #endif
 423
 424 SQUIDCEXTERN AnyP::ProtocolType urlParseProtocol(const char *, const char *e = NULL);
 425 SQUIDCEXTERN void urlInitialize(void);
 426 SQUIDCEXTERN HttpRequest *urlParse(const HttpRequestMethod&, char *, HttpRequest *request = NULL);
 427 SQUIDCEXTERN const char *urlCanonical(HttpRequest *);
 428 SQUIDCEXTERN char *urlCanonicalClean(const HttpRequest *);
 429 SQUIDCEXTERN const char *urlCanonicalFakeHttps(const HttpRequest * request);
 430 SQUIDCEXTERN bool urlIsRelative(const char *);
 431 SQUIDCEXTERN char *urlMakeAbsolute(const HttpRequest *, const char *);
 432 SQUIDCEXTERN char *urlRInternal(const char *host, unsigned short port, const char *dir, const char *name);
 433 SQUIDCEXTERN char *urlInternal(const char *dir, const char *name);
 434 SQUIDCEXTERN int matchDomainName(const char *host, const char *domain);
 435 SQUIDCEXTERN int urlCheckRequest(const HttpRequest *);
 436 SQUIDCEXTERN int urlDefaultPort(AnyP::ProtocolType p);
 437 SQUIDCEXTERN char *urlHostname(const char *url);
 438 SQUIDCEXTERN void urlExtMethodConfigure(void);
 439
 440 SQUIDCEXTERN peer_t parseNeighborType(const char *s);
 441
 442 SQUIDCEXTERN int stringHasWhitespace(const char *); //String.cc
 443 SQUIDCEXTERN int stringHasCntl(const char *); //String.cc
 444 SQUIDCEXTERN void linklistPush(link_list **, void *); //list.cc
 445 SQUIDCEXTERN void *linklistShift(link_list **); //list.cc
 446 SQUIDCEXTERN int xrename(const char *from, const char *to); //disk.cc
 447 extern int isPowTen(int); //int.cc
 448
 449 SQUIDCEXTERN char *strwordtok(char *buf, char **t); //String.cc
 450
 451
 452 /*
 453  * ipc.c
 454  */
 455 SQUIDCEXTERN pid_t ipcCreate(int type,
 456                              const char *prog,
 457                              const char *const args[],
 458                              const char *name,
 459                              Ip::Address &local_addr,
 460                              int *rfd,
 461                              int *wfd,
 462                              void **hIpc);
 463
 464
 465 /*
 466  * prototypes for system functions missing from system includes
 467  */
 468
 469 #if _SQUID_SOLARIS_
 470
 471 SQUIDCEXTERN int getrusage(int, struct rusage *);
 472 SQUIDCEXTERN int getpagesize(void);
 473 #if !defined(_XPG4_2) && !(defined(__EXTENSIONS__) || \
 474 (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)))
 475 SQUIDCEXTERN int gethostname(char *, int);
 476 #endif
 477 #endif
 478
 479 /*
 480  * hack to allow snmp access to the statistics counters
 481  */
 482 class StatCounters;
 483         SQUIDCEXTERN StatCounters *snmpStatGet(int);
 484
 485
 486         /* CygWin & Windows NT Port */
 487         /* win32.c */
 488 #if _SQUID_WINDOWS_
 489         SQUIDCEXTERN int WIN32_Subsystem_Init(int *, char ***);
 490         SQUIDCEXTERN void WIN32_sendSignal(int);
 491         SQUIDCEXTERN void WIN32_Abort(int);
 492         SQUIDCEXTERN void WIN32_Exit(void);
 493         SQUIDCEXTERN void WIN32_SetServiceCommandLine(void);
 494         SQUIDCEXTERN void WIN32_InstallService(void);
 495         SQUIDCEXTERN void WIN32_RemoveService(void);
 496         SQUIDCEXTERN int SquidMain(int, char **);
 497 #endif /* _SQUID_WINDOWS_ */
 498 #if _SQUID_MSWIN_
 499
 500         SQUIDCEXTERN int WIN32_pipe(int[2]);
 501
 502             SQUIDCEXTERN int WIN32_getrusage(int, struct rusage *);
 503     SQUIDCEXTERN void WIN32_ExceptionHandlerInit(void);
 504
 505     SQUIDCEXTERN int Win32__WSAFDIsSet(int fd, fd_set* set);
 506     SQUIDCEXTERN DWORD WIN32_IpAddrChangeMonitorInit();
 507
 508 #endif
 509
 510 extern char *strtokFile(void);
 511
 512 #if USE_AUTH
 513
 514 #if HAVE_AUTH_MODULE_NEGOTIATE && HAVE_KRB5 && HAVE_GSSAPI
 515                 /* upstream proxy authentication */
 516                 SQUIDCEXTERN char *peer_proxy_negotiate_auth(char *principal_name, char *proxy);
 517 #endif
 518
 519                     namespace Auth {
 520             /* call to ensure the auth component schemes exist. */
 521             extern void Init(void);
 522             } // namespace Auth
 523
 524 #endif /* USE_AUTH */
 525
 526 #endif /* SQUID_PROTOS_H */