src/cache_cf.cc

   1 /*
   2  * Copyright (C) 1996-2016 The Squid Software Foundation and contributors
   3  *
   4  * Squid software is distributed under GPLv2+ license and includes
   5  * contributions from numerous individuals and organizations.
   6  * Please see the COPYING and CONTRIBUTORS files for details.
   7  */
   8
   9 /* DEBUG: section 03    Configuration File Parsing */
  10
  11 #include "squid.h"
  12 #include "acl/Acl.h"
  13 #include "acl/AclDenyInfoList.h"
  14 #include "acl/AclNameList.h"
  15 #include "acl/AclSizeLimit.h"
  16 #include "acl/Address.h"
  17 #include "acl/Gadgets.h"
  18 #include "acl/MethodData.h"
  19 #include "acl/Tree.h"
  20 #include "anyp/PortCfg.h"
  21 #include "anyp/UriScheme.h"
  22 #include "AuthReg.h"
  23 #include "base/RunnersRegistry.h"
  24 #include "cache_cf.h"
  25 #include "CachePeer.h"
  26 #include "ConfigParser.h"
  27 #include "CpuAffinityMap.h"
  28 #include "DiskIO/DiskIOModule.h"
  29 #include "eui/Config.h"
  30 #include "ExternalACL.h"
  31 #include "format/Format.h"
  32 #include "ftp/Elements.h"
  33 #include "globals.h"
  34 #include "HttpHeaderTools.h"
  35 #include "icmp/IcmpConfig.h"
  36 #include "ident/Config.h"
  37 #include "ip/Intercept.h"
  38 #include "ip/QosConfig.h"
  39 #include "ip/tools.h"
  40 #include "ipc/Kids.h"
  41 #include "log/Config.h"
  42 #include "log/CustomLog.h"
  43 #include "MemBuf.h"
  44 #include "mgr/ActionPasswordList.h"
  45 #include "mgr/Registration.h"
  46 #include "neighbors.h"
  47 #include "NeighborTypeDomainList.h"
  48 #include "Parsing.h"
  49 #include "pconn.h"
  50 #include "PeerDigest.h"
  51 #include "PeerPoolMgr.h"
  52 #include "redirect.h"
  53 #include "RefreshPattern.h"
  54 #include "rfc1738.h"
  55 #include "sbuf/List.h"
  56 #include "SquidConfig.h"
  57 #include "SquidString.h"
  58 #include "ssl/ProxyCerts.h"
  59 #include "Store.h"
  60 #include "store/Disk.h"
  61 #include "store/Disks.h"
  62 #include "StoreFileSystem.h"
  63 #include "tools.h"
  64 #include "util.h"
  65 #include "wordlist.h"
  66 /* wccp2 has its own conditional definitions */
  67 #include "wccp2.h"
  68 #if USE_ADAPTATION
  69 #include "adaptation/Config.h"
  70 #endif
  71 #if ICAP_CLIENT
  72 #include "adaptation/icap/Config.h"
  73 #endif
  74 #if USE_ECAP
  75 #include "adaptation/ecap/Config.h"
  76 #endif
  77 #if USE_OPENSSL
  78 #include "ssl/Config.h"
  79 #include "ssl/support.h"
  80 #endif
  81 #if USE_AUTH
  82 #include "auth/Config.h"
  83 #include "auth/Scheme.h"
  84 #endif
  85 #if USE_SQUID_ESI
  86 #include "esi/Parser.h"
  87 #endif
  88 #if SQUID_SNMP
  89 #include "snmp.h"
  90 #endif
  91
  92 #if HAVE_GLOB_H
  93 #include <glob.h>
  94 #endif
  95 #include <limits>
  96 #include <list>
  97 #if HAVE_PWD_H
  98 #include <pwd.h>
  99 #endif
 100 #if HAVE_GRP_H
 101 #include <grp.h>
 102 #endif
 103 #if HAVE_SYS_STAT_H
 104 #include <sys/stat.h>
 105 #endif
 106
 107 #if USE_OPENSSL
 108 #include "ssl/gadgets.h"
 109 #endif
 110
 111 #if USE_ADAPTATION
 112 static void parse_adaptation_service_set_type();
 113 static void parse_adaptation_service_chain_type();
 114 static void parse_adaptation_access_type();
 115 #endif
 116
 117 #if ICAP_CLIENT
 118 static void parse_icap_service_type(Adaptation::Icap::Config *);
 119 static void dump_icap_service_type(StoreEntry *, const char *, const Adaptation::Icap::Config &);
 120 static void free_icap_service_type(Adaptation::Icap::Config *);
 121 static void parse_icap_class_type();
 122 static void parse_icap_access_type();
 123
 124 static void parse_icap_service_failure_limit(Adaptation::Icap::Config *);
 125 static void dump_icap_service_failure_limit(StoreEntry *, const char *, const Adaptation::Icap::Config &);
 126 static void free_icap_service_failure_limit(Adaptation::Icap::Config *);
 127 #endif
 128
 129 #if USE_ECAP
 130 static void parse_ecap_service_type(Adaptation::Ecap::Config *);
 131 static void dump_ecap_service_type(StoreEntry *, const char *, const Adaptation::Ecap::Config &);
 132 static void free_ecap_service_type(Adaptation::Ecap::Config *);
 133 #endif
 134
 135 static peer_t parseNeighborType(const char *s);
 136
 137 static const char *const T_MILLISECOND_STR = "millisecond";
 138 static const char *const T_SECOND_STR = "second";
 139 static const char *const T_MINUTE_STR = "minute";
 140 static const char *const T_HOUR_STR = "hour";
 141 static const char *const T_DAY_STR = "day";
 142 static const char *const T_WEEK_STR = "week";
 143 static const char *const T_FORTNIGHT_STR = "fortnight";
 144 static const char *const T_MONTH_STR = "month";
 145 static const char *const T_YEAR_STR = "year";
 146 static const char *const T_DECADE_STR = "decade";
 147
 148 static const char *const B_BYTES_STR = "bytes";
 149 static const char *const B_KBYTES_STR = "KB";
 150 static const char *const B_MBYTES_STR = "MB";
 151 static const char *const B_GBYTES_STR = "GB";
 152
 153 static const char *const list_sep = ", \t\n\r";
 154
 155 static void parse_access_log(CustomLog ** customlog_definitions);
 156 static int check_null_access_log(CustomLog *customlog_definitions);
 157 static void dump_access_log(StoreEntry * entry, const char *name, CustomLog * definitions);
 158 static void free_access_log(CustomLog ** definitions);
 159 static bool setLogformat(CustomLog *cl, const char *name, const bool dieWhenMissing);
 160
 161 static void configDoConfigure(void);
 162 static void parse_refreshpattern(RefreshPattern **);
 163 static uint64_t parseTimeUnits(const char *unit,  bool allowMsec);
 164 static void parseTimeLine(time_msec_t * tptr, const char *units, bool allowMsec, bool expectMoreArguments);
 165 static void parse_u_short(unsigned short * var);
 166 static void parse_string(char **);
 167 static void default_all(void);
 168 static void defaults_if_none(void);
 169 static void defaults_postscriptum(void);
 170 static int parse_line(char *);
 171 static void parse_obsolete(const char *);
 172 static void parseBytesLine(size_t * bptr, const char *units);
 173 #if USE_OPENSSL
 174 static void parseBytesOptionValue(size_t * bptr, const char *units, char const * value);
 175 #endif
 176 static void parseBytesLineSigned(ssize_t * bptr, const char *units);
 177 static size_t parseBytesUnits(const char *unit);
 178 static void free_all(void);
 179 void requirePathnameExists(const char *name, const char *path);
 180 static OBJH dump_config;
 181 #if USE_HTTP_VIOLATIONS
 182 static void free_HeaderManglers(HeaderManglers **pm);
 183 static void dump_http_header_access(StoreEntry * entry, const char *name, const HeaderManglers *manglers);
 184 static void parse_http_header_access(HeaderManglers **manglers);
 185 #define free_http_header_access free_HeaderManglers
 186 static void dump_http_header_replace(StoreEntry * entry, const char *name, const HeaderManglers *manglers);
 187 static void parse_http_header_replace(HeaderManglers **manglers);
 188 #define free_http_header_replace free_HeaderManglers
 189 #endif
 190 static void dump_HeaderWithAclList(StoreEntry * entry, const char *name, HeaderWithAclList *headers);
 191 static void parse_HeaderWithAclList(HeaderWithAclList **header);
 192 static void free_HeaderWithAclList(HeaderWithAclList **header);
 193 static void parse_note(Notes *);
 194 static void dump_note(StoreEntry *, const char *, Notes &);
 195 static void free_note(Notes *);
 196 static void parse_denyinfo(AclDenyInfoList ** var);
 197 static void dump_denyinfo(StoreEntry * entry, const char *name, AclDenyInfoList * var);
 198 static void free_denyinfo(AclDenyInfoList ** var);
 199
 200 #if USE_WCCPv2
 201 static void parse_IpAddress_list(Ip::Address_list **);
 202 static void dump_IpAddress_list(StoreEntry *, const char *, const Ip::Address_list *);
 203 static void free_IpAddress_list(Ip::Address_list **);
 204 #if CURRENTLY_UNUSED
 205 static int check_null_IpAddress_list(const Ip::Address_list *);
 206 #endif /* CURRENTLY_UNUSED */
 207 #endif /* USE_WCCPv2 */
 208
 209 static void parsePortCfg(AnyP::PortCfgPointer *, const char *protocol);
 210 #define parse_PortCfg(l) parsePortCfg((l), token)
 211 static void dump_PortCfg(StoreEntry *, const char *, const AnyP::PortCfgPointer &);
 212 #define free_PortCfg(h)  *(h)=NULL
 213
 214 #if USE_OPENSSL
 215 static void parse_sslproxy_cert_sign(sslproxy_cert_sign **cert_sign);
 216 static void dump_sslproxy_cert_sign(StoreEntry *entry, const char *name, sslproxy_cert_sign *cert_sign);
 217 static void free_sslproxy_cert_sign(sslproxy_cert_sign **cert_sign);
 218 static void parse_sslproxy_cert_adapt(sslproxy_cert_adapt **cert_adapt);
 219 static void dump_sslproxy_cert_adapt(StoreEntry *entry, const char *name, sslproxy_cert_adapt *cert_adapt);
 220 static void free_sslproxy_cert_adapt(sslproxy_cert_adapt **cert_adapt);
 221 static void parse_sslproxy_ssl_bump(acl_access **ssl_bump);
 222 static void dump_sslproxy_ssl_bump(StoreEntry *entry, const char *name, acl_access *ssl_bump);
 223 static void free_sslproxy_ssl_bump(acl_access **ssl_bump);
 224 #endif /* USE_OPENSSL */
 225
 226 static void parse_ftp_epsv(acl_access **ftp_epsv);
 227 static void dump_ftp_epsv(StoreEntry *entry, const char *name, acl_access *ftp_epsv);
 228 static void free_ftp_epsv(acl_access **ftp_epsv);
 229
 230 static void parse_b_size_t(size_t * var);
 231 static void parse_b_int64_t(int64_t * var);
 232
 233 static bool parseNamedIntList(const char *data, const String &name, std::vector<int> &list);
 234
 235 static void parse_CpuAffinityMap(CpuAffinityMap **const cpuAffinityMap);
 236 static void dump_CpuAffinityMap(StoreEntry *const entry, const char *const name, const CpuAffinityMap *const cpuAffinityMap);
 237 static void free_CpuAffinityMap(CpuAffinityMap **const cpuAffinityMap);
 238
 239 static void parse_UrlHelperTimeout(SquidConfig::UrlHelperTimeout *);
 240 static void dump_UrlHelperTimeout(StoreEntry *, const char *, SquidConfig::UrlHelperTimeout &);
 241 static void free_UrlHelperTimeout(SquidConfig::UrlHelperTimeout *);
 242
 243 static int parseOneConfigFile(const char *file_name, unsigned int depth);
 244
 245 static void parse_configuration_includes_quoted_values(bool *recognizeQuotedValues);
 246 static void dump_configuration_includes_quoted_values(StoreEntry *const entry, const char *const name, bool recognizeQuotedValues);
 247 static void free_configuration_includes_quoted_values(bool *recognizeQuotedValues);
 248 static void parse_on_unsupported_protocol(acl_access **access);
 249 static void dump_on_unsupported_protocol(StoreEntry *entry, const char *name, acl_access *access);
 250 static void free_on_unsupported_protocol(acl_access **access);
 251
 252 /*
 253  * LegacyParser is a parser for legacy code that uses the global
 254  * approach.  This is static so that it is only exposed to cache_cf.
 255  * Other modules needing access to a ConfigParser should have it
 256  * provided to them in their parserFOO methods.
 257  */
 258 static ConfigParser LegacyParser = ConfigParser();
 259
 260 void
 261 self_destruct(void)
 262 {
 263     LegacyParser.destruct();
 264 }
 265
 266 static void
 267 SetConfigFilename(char const *file_name, bool is_pipe)
 268 {
 269     if (is_pipe)
 270         cfg_filename = file_name + 1;
 271     else
 272         cfg_filename = file_name;
 273 }
 274
 275 static const char*
 276 skip_ws(const char* s)
 277 {
 278     while (xisspace(*s))
 279         ++s;
 280
 281     return s;
 282 }
 283
 284 static int
 285 parseManyConfigFiles(char* files, int depth)
 286 {
 287     int error_count = 0;
 288     char* saveptr = NULL;
 289 #if HAVE_GLOB
 290     char *path;
 291     glob_t globbuf;
 292     int i;
 293     memset(&globbuf, 0, sizeof(globbuf));
 294     for (path = strwordtok(files, &saveptr); path; path = strwordtok(NULL, &saveptr)) {
 295         if (glob(path, globbuf.gl_pathc ? GLOB_APPEND : 0, NULL, &globbuf) != 0) {
 296             int xerrno = errno;
 297             fatalf("Unable to find configuration file: %s: %s", path, xstrerr(xerrno));
 298         }
 299     }
 300     for (i = 0; i < (int)globbuf.gl_pathc; ++i) {
 301         error_count += parseOneConfigFile(globbuf.gl_pathv[i], depth);
 302     }
 303     globfree(&globbuf);
 304 #else
 305     char* file = strwordtok(files, &saveptr);
 306     while (file != NULL) {
 307         error_count += parseOneConfigFile(file, depth);
 308         file = strwordtok(NULL, &saveptr);
 309     }
 310 #endif /* HAVE_GLOB */
 311     return error_count;
 312 }
 313
 314 static void
 315 ReplaceSubstr(char*& str, int& len, unsigned substrIdx, unsigned substrLen, const char* newSubstr)
 316 {
 317     assert(str != NULL);
 318     assert(newSubstr != NULL);
 319
 320     unsigned newSubstrLen = strlen(newSubstr);
 321     if (newSubstrLen > substrLen)
 322         str = (char*)realloc(str, len - substrLen + newSubstrLen + 1);
 323
 324     // move tail part including zero
 325     memmove(str + substrIdx + newSubstrLen, str + substrIdx + substrLen, len - substrIdx - substrLen + 1);
 326     // copy new substring in place
 327     memcpy(str + substrIdx, newSubstr, newSubstrLen);
 328
 329     len = strlen(str);
 330 }
 331
 332 static void
 333 SubstituteMacro(char*& line, int& len, const char* macroName, const char* substStr)
 334 {
 335     assert(line != NULL);
 336     assert(macroName != NULL);
 337     assert(substStr != NULL);
 338     unsigned macroNameLen = strlen(macroName);
 339     while (const char* macroPos = strstr(line, macroName)) // we would replace all occurrences
 340         ReplaceSubstr(line, len, macroPos - line, macroNameLen, substStr);
 341 }
 342
 343 static void
 344 ProcessMacros(char*& line, int& len)
 345 {
 346     SubstituteMacro(line, len, "${service_name}", service_name.c_str());
 347     SubstituteMacro(line, len, "${process_name}", TheKidName);
 348     SubstituteMacro(line, len, "${process_number}", xitoa(KidIdentifier));
 349 }
 350
 351 static void
 352 trim_trailing_ws(char* str)
 353 {
 354     assert(str != NULL);
 355     unsigned i = strlen(str);
 356     while ((i > 0) && xisspace(str[i - 1]))
 357         --i;
 358     str[i] = '\0';
 359 }
 360
 361 static const char*
 362 FindStatement(const char* line, const char* statement)
 363 {
 364     assert(line != NULL);
 365     assert(statement != NULL);
 366
 367     const char* str = skip_ws(line);
 368     unsigned len = strlen(statement);
 369     if (strncmp(str, statement, len) == 0) {
 370         str += len;
 371         if (*str == '\0')
 372             return str;
 373         else if (xisspace(*str))
 374             return skip_ws(str);
 375     }
 376
 377     return NULL;
 378 }
 379
 380 static bool
 381 StrToInt(const char* str, long& number)
 382 {
 383     assert(str != NULL);
 384
 385     char* end;
 386     number = strtol(str, &end, 0);
 387
 388     return (end != str) && (*end == '\0'); // returns true if string contains nothing except number
 389 }
 390
 391 static bool
 392 EvalBoolExpr(const char* expr)
 393 {
 394     assert(expr != NULL);
 395     if (strcmp(expr, "true") == 0) {
 396         return true;
 397     } else if (strcmp(expr, "false") == 0) {
 398         return false;
 399     } else if (const char* equation = strchr(expr, '=')) {
 400         const char* rvalue = skip_ws(equation + 1);
 401         char* lvalue = (char*)xmalloc(equation - expr + 1);
 402         xstrncpy(lvalue, expr, equation - expr + 1);
 403         trim_trailing_ws(lvalue);
 404
 405         long number1;
 406         if (!StrToInt(lvalue, number1))
 407             fatalf("String is not a integer number: '%s'\n", lvalue);
 408         long number2;
 409         if (!StrToInt(rvalue, number2))
 410             fatalf("String is not a integer number: '%s'\n", rvalue);
 411
 412         xfree(lvalue);
 413         return number1 == number2;
 414     }
 415     fatalf("Unable to evaluate expression '%s'\n", expr);
 416     return false; // this place cannot be reached
 417 }
 418
 419 static int
 420 parseOneConfigFile(const char *file_name, unsigned int depth)
 421 {
 422     FILE *fp = NULL;
 423     const char *orig_cfg_filename = cfg_filename;
 424     const int orig_config_lineno = config_lineno;
 425     char *token = NULL;
 426     char *tmp_line = NULL;
 427     int tmp_line_len = 0;
 428     int err_count = 0;
 429     int is_pipe = 0;
 430
 431     debugs(3, DBG_IMPORTANT, "Processing Configuration File: " << file_name << " (depth " << depth << ")");
 432     if (depth > 16) {
 433         fatalf("WARNING: can't include %s: includes are nested too deeply (>16)!\n", file_name);
 434         return 1;
 435     }
 436
 437     if (file_name[0] == '!' || file_name[0] == '|') {
 438         fp = popen(file_name + 1, "r");
 439         is_pipe = 1;
 440     } else {
 441         fp = fopen(file_name, "r");
 442     }
 443
 444     if (!fp) {
 445         int xerrno = errno;
 446         fatalf("Unable to open configuration file: %s: %s", file_name, xstrerr(xerrno));
 447     }
 448
 449 #if _SQUID_WINDOWS_
 450     setmode(fileno(fp), O_TEXT);
 451 #endif
 452
 453     SetConfigFilename(file_name, bool(is_pipe));
 454
 455     memset(config_input_line, '\0', BUFSIZ);
 456
 457     config_lineno = 0;
 458
 459     std::vector<bool> if_states;
 460     while (fgets(config_input_line, BUFSIZ, fp)) {
 461         ++config_lineno;
 462
 463         if ((token = strchr(config_input_line, '\n')))
 464             *token = '\0';
 465
 466         if ((token = strchr(config_input_line, '\r')))
 467             *token = '\0';
 468
 469         // strip any prefix whitespace off the line.
 470         const char *p = skip_ws(config_input_line);
 471         if (config_input_line != p)
 472             memmove(config_input_line, p, strlen(p)+1);
 473
 474         if (strncmp(config_input_line, "#line ", 6) == 0) {
 475             static char new_file_name[1024];
 476             static char *file;
 477             static char new_lineno;
 478             token = config_input_line + 6;
 479             new_lineno = strtol(token, &file, 0) - 1;
 480
 481             if (file == token)
 482                 continue;   /* Not a valid #line directive, may be a comment */
 483
 484             while (*file && xisspace((unsigned char) *file))
 485                 ++file;
 486
 487             if (*file) {
 488                 if (*file != '"')
 489                     continue;   /* Not a valid #line directive, may be a comment */
 490
 491                 xstrncpy(new_file_name, file + 1, sizeof(new_file_name));
 492
 493                 if ((token = strchr(new_file_name, '"')))
 494                     *token = '\0';
 495
 496                 SetConfigFilename(new_file_name, false);
 497             }
 498
 499             config_lineno = new_lineno;
 500         }
 501
 502         if (config_input_line[0] == '#')
 503             continue;
 504
 505         if (config_input_line[0] == '\0')
 506             continue;
 507
 508         const char* append = tmp_line_len ? skip_ws(config_input_line) : config_input_line;
 509
 510         size_t append_len = strlen(append);
 511
 512         tmp_line = (char*)xrealloc(tmp_line, tmp_line_len + append_len + 1);
 513
 514         strcpy(tmp_line + tmp_line_len, append);
 515
 516         tmp_line_len += append_len;
 517
 518         if (tmp_line[tmp_line_len-1] == '\\') {
 519             debugs(3, 5, "parseConfigFile: tmp_line='" << tmp_line << "'");
 520             tmp_line[--tmp_line_len] = '\0';
 521             continue;
 522         }
 523
 524         trim_trailing_ws(tmp_line);
 525         ProcessMacros(tmp_line, tmp_line_len);
 526         debugs(3, (opt_parse_cfg_only?1:5), "Processing: " << tmp_line);
 527
 528         if (const char* expr = FindStatement(tmp_line, "if")) {
 529             if_states.push_back(EvalBoolExpr(expr)); // store last if-statement meaning
 530         } else if (FindStatement(tmp_line, "endif")) {
 531             if (!if_states.empty())
 532                 if_states.pop_back(); // remove last if-statement meaning
 533             else
 534                 fatalf("'endif' without 'if'\n");
 535         } else if (FindStatement(tmp_line, "else")) {
 536             if (!if_states.empty())
 537                 if_states.back() = !if_states.back();
 538             else
 539                 fatalf("'else' without 'if'\n");
 540         } else if (if_states.empty() || if_states.back()) { // test last if-statement meaning if present
 541             /* Handle includes here */
 542             if (tmp_line_len >= 9 && strncmp(tmp_line, "include", 7) == 0 && xisspace(tmp_line[7])) {
 543                 err_count += parseManyConfigFiles(tmp_line + 8, depth + 1);
 544             } else if (!parse_line(tmp_line)) {
 545                 debugs(3, DBG_CRITICAL, HERE << cfg_filename << ":" << config_lineno << " unrecognized: '" << tmp_line << "'");
 546                 ++err_count;
 547             }
 548         }
 549
 550         safe_free(tmp_line);
 551         tmp_line_len = 0;
 552
 553     }
 554     if (!if_states.empty())
 555         fatalf("if-statement without 'endif'\n");
 556
 557     if (is_pipe) {
 558         int ret = pclose(fp);
 559
 560         if (ret != 0)
 561             fatalf("parseConfigFile: '%s' failed with exit code %d\n", file_name, ret);
 562     } else {
 563         fclose(fp);
 564     }
 565
 566     SetConfigFilename(orig_cfg_filename, false);
 567     config_lineno = orig_config_lineno;
 568
 569     xfree(tmp_line);
 570     return err_count;
 571 }
 572
 573 int
 574 parseConfigFile(const char *file_name)
 575 {
 576     int err_count = 0;
 577
 578     debugs(5, 4, HERE);
 579
 580     configFreeMemory();
 581
 582     ACLMethodData::ThePurgeCount = 0;
 583     default_all();
 584
 585     err_count = parseOneConfigFile(file_name, 0);
 586
 587     defaults_if_none();
 588
 589     defaults_postscriptum();
 590
 591     /*
 592      * We must call configDoConfigure() before leave_suid() because
 593      * configDoConfigure() is where we turn username strings into
 594      * uid values.
 595      */
 596     configDoConfigure();
 597
 598     if (!Config.chroot_dir) {
 599         leave_suid();
 600         setUmask(Config.umask);
 601         _db_init(Debug::cache_log, Debug::debugOptions);
 602         enter_suid();
 603     }
 604
 605     if (opt_send_signal == -1) {
 606         Mgr::RegisterAction("config",
 607                             "Current Squid Configuration",
 608                             dump_config,
 609                             1, 1);
 610     }
 611
 612     return err_count;
 613 }
 614
 615 static void
 616 configDoConfigure(void)
 617 {
 618     memset(&Config2, '\0', sizeof(SquidConfig2));
 619     /* init memory as early as possible */
 620     memConfigure();
 621     /* Sanity checks */
 622
 623     Config.cacheSwap.n_strands = 0; // no diskers by default
 624     if (Config.cacheSwap.swapDirs == NULL) {
 625         /* Memory-only cache probably in effect. */
 626         /* turn off the cache rebuild delays... */
 627         StoreController::store_dirs_rebuilding = 0;
 628     } else if (InDaemonMode()) { // no diskers in non-daemon mode
 629         for (int i = 0; i < Config.cacheSwap.n_configured; ++i) {
 630             const RefCount<SwapDir> sd = Config.cacheSwap.swapDirs[i];
 631             if (sd->needsDiskStrand())
 632                 sd->disker = Config.workers + (++Config.cacheSwap.n_strands);
 633         }
 634     }
 635
 636     if (Debug::rotateNumber < 0) {
 637         Debug::rotateNumber = Config.Log.rotateNumber;
 638     }
 639
 640 #if SIZEOF_OFF_T <= 4
 641     if (Config.Store.maxObjectSize > 0x7FFF0000) {
 642         debugs(3, DBG_CRITICAL, "WARNING: This Squid binary can not handle files larger than 2GB. Limiting maximum_object_size to just below 2GB");
 643         Config.Store.maxObjectSize = 0x7FFF0000;
 644     }
 645 #endif
 646
 647     if (Config.Announce.period > 0) {
 648         Config.onoff.announce = 1;
 649     } else {
 650         Config.Announce.period = 86400 * 365;   /* one year */
 651         Config.onoff.announce = 0;
 652     }
 653
 654     if (Config.onoff.httpd_suppress_version_string)
 655         visible_appname_string = (char *)appname_string;
 656     else
 657         visible_appname_string = (char const *)APP_FULLNAME;
 658
 659     if (Config.Program.redirect) {
 660         if (Config.redirectChildren.n_max < 1) {
 661             Config.redirectChildren.n_max = 0;
 662             wordlistDestroy(&Config.Program.redirect);
 663         }
 664     }
 665
 666     if (Config.Program.store_id) {
 667         if (Config.storeIdChildren.n_max < 1) {
 668             Config.storeIdChildren.n_max = 0;
 669             wordlistDestroy(&Config.Program.store_id);
 670         }
 671     }
 672
 673     if (Config.appendDomain)
 674         if (*Config.appendDomain != '.')
 675             fatal("append_domain must begin with a '.'");
 676
 677     if (Config.errHtmlText == NULL)
 678         Config.errHtmlText = xstrdup(null_string);
 679
 680 #if !HAVE_SETRLIMIT || !defined(RLIMIT_NOFILE)
 681     if (Config.max_filedescriptors > 0) {
 682         debugs(0, DBG_IMPORTANT, "WARNING: max_filedescriptors disabled. Operating System setrlimit(RLIMIT_NOFILE) is missing.");
 683     }
 684 #elif USE_SELECT || USE_SELECT_WIN32
 685     if (Config.max_filedescriptors > FD_SETSIZE) {
 686         debugs(0, DBG_IMPORTANT, "WARNING: max_filedescriptors limited to " << FD_SETSIZE << " by select() algorithm.");
 687     }
 688 #endif
 689
 690     storeConfigure();
 691
 692     snprintf(ThisCache, sizeof(ThisCache), "%s (%s)",
 693              uniqueHostname(),
 694              visible_appname_string);
 695
 696     /*
 697      * the extra space is for loop detection in client_side.c -- we search
 698      * for substrings in the Via header.
 699      */
 700     snprintf(ThisCache2, sizeof(ThisCache), " %s (%s)",
 701              uniqueHostname(),
 702              visible_appname_string);
 703
 704     /* Use visible_hostname as default surrogate_id */
 705     if (!Config.Accel.surrogate_id) {
 706         const char *t = getMyHostname();
 707         Config.Accel.surrogate_id = xstrdup( (t?t:"unset-id") );
 708     }
 709
 710     if (!Config.udpMaxHitObjsz || Config.udpMaxHitObjsz > SQUID_UDP_SO_SNDBUF)
 711         Config.udpMaxHitObjsz = SQUID_UDP_SO_SNDBUF;
 712
 713     if (Config.appendDomain)
 714         Config.appendDomainLen = strlen(Config.appendDomain);
 715     else
 716         Config.appendDomainLen = 0;
 717
 718     if (Config.connect_retries > 10) {
 719         debugs(0,DBG_CRITICAL, "WARNING: connect_retries cannot be larger than 10. Resetting to 10.");
 720         Config.connect_retries = 10;
 721     }
 722
 723     requirePathnameExists("MIME Config Table", Config.mimeTablePathname);
 724 #if USE_UNLINKD
 725
 726     requirePathnameExists("unlinkd_program", Config.Program.unlinkd);
 727 #endif
 728     requirePathnameExists("logfile_daemon", Log::TheConfig.logfile_daemon);
 729     if (Config.Program.redirect)
 730         requirePathnameExists("redirect_program", Config.Program.redirect->key);
 731
 732     if (Config.Program.store_id)
 733         requirePathnameExists("store_id_program", Config.Program.store_id->key);
 734
 735     requirePathnameExists("Icon Directory", Config.icons.directory);
 736
 737     if (Config.errorDirectory)
 738         requirePathnameExists("Error Directory", Config.errorDirectory);
 739
 740 #if USE_HTTP_VIOLATIONS
 741
 742     {
 743         const RefreshPattern *R;
 744
 745         for (R = Config.Refresh; R; R = R->next) {
 746             if (!R->flags.override_expire)
 747                 continue;
 748
 749             debugs(22, DBG_IMPORTANT, "WARNING: use of 'override-expire' in 'refresh_pattern' violates HTTP");
 750
 751             break;
 752         }
 753
 754         for (R = Config.Refresh; R; R = R->next) {
 755             if (!R->flags.override_lastmod)
 756                 continue;
 757
 758             debugs(22, DBG_IMPORTANT, "WARNING: use of 'override-lastmod' in 'refresh_pattern' violates HTTP");
 759
 760             break;
 761         }
 762
 763         for (R = Config.Refresh; R; R = R->next) {
 764             if (!R->flags.reload_into_ims)
 765                 continue;
 766
 767             debugs(22, DBG_IMPORTANT, "WARNING: use of 'reload-into-ims' in 'refresh_pattern' violates HTTP");
 768
 769             break;
 770         }
 771
 772         for (R = Config.Refresh; R; R = R->next) {
 773             if (!R->flags.ignore_reload)
 774                 continue;
 775
 776             debugs(22, DBG_IMPORTANT, "WARNING: use of 'ignore-reload' in 'refresh_pattern' violates HTTP");
 777
 778             break;
 779         }
 780
 781         for (R = Config.Refresh; R; R = R->next) {
 782             if (!R->flags.ignore_no_store)
 783                 continue;
 784
 785             debugs(22, DBG_IMPORTANT, "WARNING: use of 'ignore-no-store' in 'refresh_pattern' violates HTTP");
 786
 787             break;
 788         }
 789
 790         for (R = Config.Refresh; R; R = R->next) {
 791             if (!R->flags.ignore_private)
 792                 continue;
 793
 794             debugs(22, DBG_IMPORTANT, "WARNING: use of 'ignore-private' in 'refresh_pattern' violates HTTP");
 795
 796             break;
 797         }
 798     }
 799 #endif
 800 #if !USE_HTTP_VIOLATIONS
 801     Config.onoff.via = 1;
 802 #else
 803
 804     if (!Config.onoff.via)
 805         debugs(22, DBG_IMPORTANT, "WARNING: HTTP requires the use of Via");
 806
 807 #endif
 808
 809     // we enable runtime PURGE checks if there is at least one PURGE method ACL
 810     // TODO: replace with a dedicated "purge" ACL option?
 811     Config2.onoff.enable_purge = (ACLMethodData::ThePurgeCount > 0);
 812
 813     if (geteuid() == 0) {
 814         if (NULL != Config.effectiveUser) {
 815
 816             struct passwd *pwd = getpwnam(Config.effectiveUser);
 817
 818             if (NULL == pwd) {
 819                 /*
 820                  * Andres Kroonmaa <andre@online.ee>:
 821                  * Some getpwnam() implementations (Solaris?) require
 822                  * an available FD < 256 for opening a FILE* to the
 823                  * passwd file.
 824                  * DW:
 825                  * This should be safe at startup, but might still fail
 826                  * during reconfigure.
 827                  */
 828                 fatalf("getpwnam failed to find userid for effective user '%s'",
 829                        Config.effectiveUser);
 830                 return;
 831             }
 832
 833             Config2.effectiveUserID = pwd->pw_uid;
 834
 835             Config2.effectiveGroupID = pwd->pw_gid;
 836
 837 #if HAVE_PUTENV
 838             if (pwd->pw_dir && *pwd->pw_dir) {
 839                 // putenv() leaks by design; avoid leaks when nothing changes
 840                 static SBuf lastDir;
 841                 if (lastDir.isEmpty() || !lastDir.cmp(pwd->pw_dir)) {
 842                     lastDir = pwd->pw_dir;
 843                     int len = strlen(pwd->pw_dir) + 6;
 844                     char *env_str = (char *)xcalloc(len, 1);
 845                     snprintf(env_str, len, "HOME=%s", pwd->pw_dir);
 846                     putenv(env_str);
 847                 }
 848             }
 849 #endif
 850         }
 851     } else {
 852         Config2.effectiveUserID = geteuid();
 853         Config2.effectiveGroupID = getegid();
 854     }
 855
 856     if (NULL != Config.effectiveGroup) {
 857
 858         struct group *grp = getgrnam(Config.effectiveGroup);
 859
 860         if (NULL == grp) {
 861             fatalf("getgrnam failed to find groupid for effective group '%s'",
 862                    Config.effectiveGroup);
 863             return;
 864         }
 865
 866         Config2.effectiveGroupID = grp->gr_gid;
 867     }
 868
 869 #if USE_OPENSSL
 870     if (Config.ssl_client.foreignIntermediateCertsPath)
 871         Ssl::loadSquidUntrusted(Config.ssl_client.foreignIntermediateCertsPath);
 872 #endif
 873
 874     if (Security::ProxyOutgoingConfig.encryptTransport) {
 875         debugs(3, DBG_IMPORTANT, "Initializing https:// proxy context");
 876         Config.ssl_client.sslContext = Security::ProxyOutgoingConfig.createClientContext(false);
 877         if (!Config.ssl_client.sslContext) {
 878 #if USE_OPENSSL
 879             fatal("ERROR: Could not initialize https:// proxy context");
 880 #else
 881             debugs(3, DBG_IMPORTANT, "ERROR: proxying https:// currently still requires --with-openssl");
 882 #endif
 883         }
 884 #if USE_OPENSSL
 885         Ssl::useSquidUntrusted(Config.ssl_client.sslContext);
 886 #endif
 887     }
 888
 889     for (CachePeer *p = Config.peers; p != NULL; p = p->next) {
 890
 891         // default value for ssldomain= is the peer host/IP
 892         if (p->secure.sslDomain.isEmpty())
 893             p->secure.sslDomain = p->host;
 894
 895         if (p->secure.encryptTransport) {
 896             debugs(3, DBG_IMPORTANT, "Initializing cache_peer " << p->name << " TLS context");
 897             p->sslContext = p->secure.createClientContext(true);
 898             if (!p->sslContext) {
 899                 debugs(3, DBG_CRITICAL, "ERROR: Could not initialize cache_peer " << p->name << " TLS context");
 900                 self_destruct();
 901             }
 902         }
 903     }
 904
 905 #if USE_OPENSSL
 906     for (AnyP::PortCfgPointer s = HttpPortList; s != NULL; s = s->next) {
 907         if (!s->secure.encryptTransport)
 908             continue;
 909         debugs(3, DBG_IMPORTANT, "Initializing " << AnyP::UriScheme(s->transport.protocol) << "_port " << s->s << " TLS context");
 910         s->configureSslServerContext();
 911     }
 912 #endif
 913
 914     // prevent infinite fetch loops in the request parser
 915     // due to buffer full but not enough data recived to finish parse
 916     if (Config.maxRequestBufferSize <= Config.maxRequestHeaderSize) {
 917         fatalf("Client request buffer of %u bytes cannot hold a request with %u bytes of headers." \
 918                " Change client_request_buffer_max or request_header_max_size limits.",
 919                (uint32_t)Config.maxRequestBufferSize, (uint32_t)Config.maxRequestHeaderSize);
 920     }
 921
 922     /*
 923      * Disable client side request pipelining if client_persistent_connections OFF.
 924      * Waste of resources queueing any pipelined requests when the first will close the connection.
 925      */
 926     if (Config.pipeline_max_prefetch > 0 && !Config.onoff.client_pconns) {
 927         debugs(3, DBG_PARSE_NOTE(DBG_IMPORTANT), "WARNING: pipeline_prefetch " << Config.pipeline_max_prefetch <<
 928                " requires client_persistent_connections ON. Forced pipeline_prefetch 0.");
 929         Config.pipeline_max_prefetch = 0;
 930     }
 931
 932 #if USE_AUTH
 933     /*
 934      * disable client side request pipelining. There is a race with
 935      * Negotiate and NTLM when the client sends a second request on an
 936      * connection before the authenticate challenge is sent. With
 937      * pipelining OFF, the client may fail to authenticate, but squid's
 938      * state will be preserved.
 939      */
 940     if (Config.pipeline_max_prefetch > 0) {
 941         Auth::Config *nego = Auth::Config::Find("Negotiate");
 942         Auth::Config *ntlm = Auth::Config::Find("NTLM");
 943         if ((nego && nego->active()) || (ntlm && ntlm->active())) {
 944             debugs(3, DBG_PARSE_NOTE(DBG_IMPORTANT), "WARNING: pipeline_prefetch breaks NTLM and Negotiate authentication. Forced pipeline_prefetch 0.");
 945             Config.pipeline_max_prefetch = 0;
 946         }
 947     }
 948 #endif
 949 }
 950
 951 /** Parse a line containing an obsolete directive.
 952  * To upgrade it where possible instead of just "Bungled config" for
 953  * directives which cannot be marked as simply aliases of the some name.
 954  * For example if the parameter order and content has changed.
 955  * Or if the directive has been completely removed.
 956  */
 957 void
 958 parse_obsolete(const char *name)
 959 {
 960     // Directives which have been radically changed rather than removed
 961     if (!strcmp(name, "url_rewrite_concurrency")) {
 962         int cval;
 963         parse_int(&cval);
 964         debugs(3, DBG_CRITICAL, "WARNING: url_rewrite_concurrency upgrade overriding url_rewrite_children settings.");
 965         Config.redirectChildren.concurrency = cval;
 966     }
 967
 968     if (!strcmp(name, "log_access"))
 969         self_destruct();
 970
 971     if (!strcmp(name, "log_icap"))
 972         self_destruct();
 973
 974     if (!strcmp(name, "ignore_ims_on_miss")) {
 975         // the replacement directive cache_revalidate_on_miss has opposite meanings for ON/OFF value
 976         // than the 2.7 directive. We need to parse and invert the configured value.
 977         int temp = 0;
 978         parse_onoff(&temp);
 979         Config.onoff.cache_miss_revalidate = !temp;
 980     }
 981
 982     if (!strncmp(name, "sslproxy_", 9)) {
 983         // the replacement directive tls_outgoing_options uses options instead of whole-line input
 984         SBuf tmp;
 985         if (!strcmp(name, "sslproxy_cafile"))
 986             tmp.append("cafile=");
 987         else if (!strcmp(name, "sslproxy_capath"))
 988             tmp.append("capath=");
 989         else if (!strcmp(name, "sslproxy_cipher"))
 990             tmp.append("cipher=");
 991         else if (!strcmp(name, "sslproxy_client_certificate"))
 992             tmp.append("cert=");
 993         else if (!strcmp(name, "sslproxy_client_key"))
 994             tmp.append("key=");
 995         else if (!strcmp(name, "sslproxy_flags"))
 996             tmp.append("flags=");
 997         else if (!strcmp(name, "sslproxy_options"))
 998             tmp.append("options=");
 999         else if (!strcmp(name, "sslproxy_version"))
1000             tmp.append("version=");
1001         else {
1002             debugs(3, DBG_CRITICAL, "ERROR: unknown directive: " << name);
1003             self_destruct();
1004         }
1005
1006         // add the value as unquoted-string because the old values did not support whitespace
1007         const char *token = ConfigParser::NextQuotedOrToEol();
1008         tmp.append(token, strlen(token));
1009         Security::ProxyOutgoingConfig.parse(tmp.c_str());
1010     }
1011 }
1012
1013 /* Parse a time specification from the config file.  Store the
1014  * result in 'tptr', after converting it to 'units' */
1015 static void
1016 parseTimeLine(time_msec_t * tptr, const char *units,  bool allowMsec,  bool expectMoreArguments = false)
1017 {
1018     time_msec_t u;
1019     if ((u = parseTimeUnits(units, allowMsec)) == 0)
1020         self_destruct();
1021
1022     char *token;
1023     if ((token = ConfigParser::NextToken()) == NULL)
1024         self_destruct();
1025
1026     double d = xatof(token);
1027
1028     time_msec_t m = u; /* default to 'units' if none specified */
1029
1030     if (d) {
1031         if ((token = ConfigParser::PeekAtToken()) && (m = parseTimeUnits(token, allowMsec))) {
1032             (void)ConfigParser::NextToken();
1033
1034         } else if (!expectMoreArguments) {
1035             self_destruct();
1036
1037         } else {
1038             token = NULL; // show default units if dying below
1039             debugs(3, DBG_CRITICAL, "WARNING: No units on '" << config_input_line << "', assuming " << d << " " << units);
1040         }
1041     } else
1042         token = NULL; // show default units if dying below.
1043
1044     *tptr = static_cast<time_msec_t>(m * d);
1045
1046     if (static_cast<double>(*tptr) * 2 != m * d * 2) {
1047         debugs(3, DBG_CRITICAL, "FATAL: Invalid value '" <<
1048                d << " " << (token ? token : units) << ": integer overflow (time_msec_t).");
1049         self_destruct();
1050     }
1051 }
1052
1053 static uint64_t
1054 parseTimeUnits(const char *unit, bool allowMsec)
1055 {
1056     if (allowMsec && !strncasecmp(unit, T_MILLISECOND_STR, strlen(T_MILLISECOND_STR)))
1057         return 1;
1058
1059     if (!strncasecmp(unit, T_SECOND_STR, strlen(T_SECOND_STR)))
1060         return 1000;
1061
1062     if (!strncasecmp(unit, T_MINUTE_STR, strlen(T_MINUTE_STR)))
1063         return 60 * 1000;
1064
1065     if (!strncasecmp(unit, T_HOUR_STR, strlen(T_HOUR_STR)))
1066         return 3600 * 1000;
1067
1068     if (!strncasecmp(unit, T_DAY_STR, strlen(T_DAY_STR)))
1069         return 86400 * 1000;
1070
1071     if (!strncasecmp(unit, T_WEEK_STR, strlen(T_WEEK_STR)))
1072         return 86400 * 7 * 1000;
1073
1074     if (!strncasecmp(unit, T_FORTNIGHT_STR, strlen(T_FORTNIGHT_STR)))
1075         return 86400 * 14 * 1000;
1076
1077     if (!strncasecmp(unit, T_MONTH_STR, strlen(T_MONTH_STR)))
1078         return static_cast<uint64_t>(86400) * 30 * 1000;
1079
1080     if (!strncasecmp(unit, T_YEAR_STR, strlen(T_YEAR_STR)))
1081         return static_cast<uint64_t>(86400 * 1000 * 365.2522);
1082
1083     if (!strncasecmp(unit, T_DECADE_STR, strlen(T_DECADE_STR)))
1084         return static_cast<uint64_t>(86400 * 1000 * 365.2522 * 10);
1085
1086     debugs(3, DBG_IMPORTANT, "parseTimeUnits: unknown time unit '" << unit << "'");
1087
1088     return 0;
1089 }
1090
1091 static void
1092 parseBytesLine64(int64_t * bptr, const char *units)
1093 {
1094     char *token;
1095     double d;
1096     int64_t m;
1097     int64_t u;
1098
1099     if ((u = parseBytesUnits(units)) == 0) {
1100         self_destruct();
1101         return;
1102     }
1103
1104     if ((token = ConfigParser::NextToken()) == NULL) {
1105         self_destruct();
1106         return;
1107     }
1108
1109     if (strcmp(token, "none") == 0 || strcmp(token, "-1") == 0) {
1110         *bptr = -1;
1111         return;
1112     }
1113
1114     d = xatof(token);
1115
1116     m = u;          /* default to 'units' if none specified */
1117
1118     if (0.0 == d)
1119         (void) 0;
1120     else if ((token = ConfigParser::NextToken()) == NULL)
1121         debugs(3, DBG_CRITICAL, "WARNING: No units on '" <<
1122                config_input_line << "', assuming " <<
1123                d << " " <<  units  );
1124     else if ((m = parseBytesUnits(token)) == 0) {
1125         self_destruct();
1126         return;
1127     }
1128
1129     *bptr = static_cast<int64_t>(m * d / u);
1130
1131     if (static_cast<double>(*bptr) * 2 != (m * d / u) * 2) {
1132         debugs(3, DBG_CRITICAL, "ERROR: Invalid value '" <<
1133                d << " " << token << ": integer overflow (int64_t).");
1134         self_destruct();
1135     }
1136 }
1137
1138 static void
1139 parseBytesLine(size_t * bptr, const char *units)
1140 {
1141     char *token;
1142     double d;
1143     int m;
1144     int u;
1145
1146     if ((u = parseBytesUnits(units)) == 0) {
1147         self_destruct();
1148         return;
1149     }
1150
1151     if ((token = ConfigParser::NextToken()) == NULL) {
1152         self_destruct();
1153         return;
1154     }
1155
1156     if (strcmp(token, "none") == 0 || strcmp(token, "-1") == 0) {
1157         *bptr = static_cast<size_t>(-1);
1158         return;
1159     }
1160
1161     d = xatof(token);
1162
1163     m = u;          /* default to 'units' if none specified */
1164
1165     if (0.0 == d)
1166         (void) 0;
1167     else if ((token = ConfigParser::NextToken()) == NULL)
1168         debugs(3, DBG_CRITICAL, "WARNING: No units on '" <<
1169                config_input_line << "', assuming " <<
1170                d << " " <<  units  );
1171     else if ((m = parseBytesUnits(token)) == 0) {
1172         self_destruct();
1173         return;
1174     }
1175
1176     *bptr = static_cast<size_t>(m * d / u);
1177
1178     if (static_cast<double>(*bptr) * 2 != (m * d / u) * 2) {
1179         debugs(3, DBG_CRITICAL, "ERROR: Invalid value '" <<
1180                d << " " << token << ": integer overflow (size_t).");
1181         self_destruct();
1182     }
1183 }
1184
1185 static void
1186 parseBytesLineSigned(ssize_t * bptr, const char *units)
1187 {
1188     char *token;
1189     double d;
1190     int m;
1191     int u;
1192
1193     if ((u = parseBytesUnits(units)) == 0) {
1194         self_destruct();
1195         return;
1196     }
1197
1198     if ((token = ConfigParser::NextToken()) == NULL) {
1199         self_destruct();
1200         return;
1201     }
1202
1203     if (strcmp(token, "none") == 0 || token[0] == '-' /* -N */) {
1204         *bptr = -1;
1205         return;
1206     }
1207
1208     d = xatof(token);
1209
1210     m = u;          /* default to 'units' if none specified */
1211
1212     if (0.0 == d)
1213         (void) 0;
1214     else if ((token = ConfigParser::NextToken()) == NULL)
1215         debugs(3, DBG_CRITICAL, "WARNING: No units on '" <<
1216                config_input_line << "', assuming " <<
1217                d << " " <<  units  );
1218     else if ((m = parseBytesUnits(token)) == 0) {
1219         self_destruct();
1220         return;
1221     }
1222
1223     *bptr = static_cast<ssize_t>(m * d / u);
1224
1225     if (static_cast<double>(*bptr) * 2 != (m * d / u) * 2) {
1226         debugs(3, DBG_CRITICAL, "ERROR: Invalid value '" <<
1227                d << " " << token << ": integer overflow (ssize_t).");
1228         self_destruct();
1229     }
1230 }
1231
1232 /**
1233  * Parse bytes from a string.
1234  * Similar to the parseBytesLine function but parses the string value instead of
1235  * the current token value.
1236  */
1237 static void parseBytesOptionValue(size_t * bptr, const char *units, char const * value)
1238 {
1239     int u;
1240     if ((u = parseBytesUnits(units)) == 0) {
1241         self_destruct();
1242         return;
1243     }
1244
1245     // Find number from string beginning.
1246     char const * number_begin = value;
1247     char const * number_end = value;
1248
1249     while ((*number_end >= '0' && *number_end <= '9')) {
1250         ++number_end;
1251     }
1252
1253     String number;
1254     number.limitInit(number_begin, number_end - number_begin);
1255
1256     int d = xatoi(number.termedBuf());
1257     int m;
1258     if ((m = parseBytesUnits(number_end)) == 0) {
1259         self_destruct();
1260         return;
1261     }
1262
1263     *bptr = static_cast<size_t>(m * d / u);
1264     if (static_cast<double>(*bptr) * 2 != (m * d / u) * 2)
1265         self_destruct();
1266 }
1267
1268 static size_t
1269 parseBytesUnits(const char *unit)
1270 {
1271     if (!strncasecmp(unit, B_BYTES_STR, strlen(B_BYTES_STR)))
1272         return 1;
1273
1274     if (!strncasecmp(unit, B_KBYTES_STR, strlen(B_KBYTES_STR)))
1275         return 1 << 10;
1276
1277     if (!strncasecmp(unit, B_MBYTES_STR, strlen(B_MBYTES_STR)))
1278         return 1 << 20;
1279
1280     if (!strncasecmp(unit, B_GBYTES_STR, strlen(B_GBYTES_STR)))
1281         return 1 << 30;
1282
1283     debugs(3, DBG_CRITICAL, "WARNING: Unknown bytes unit '" << unit << "'");
1284
1285     return 0;
1286 }
1287
1288 static void
1289 dump_SBufList(StoreEntry * entry, const SBufList &words)
1290 {
1291     for (SBufList::const_iterator i = words.begin(); i != words.end(); ++i) {
1292         entry->append(i->rawContent(), i->length());
1293         entry->append(" ",1);
1294     }
1295     entry->append("\n",1);
1296 }
1297
1298 static void
1299 dump_acl(StoreEntry * entry, const char *name, ACL * ae)
1300 {
1301     while (ae != NULL) {
1302         debugs(3, 3, "dump_acl: " << name << " " << ae->name);
1303         storeAppendPrintf(entry, "%s %s %s %s ",
1304                           name,
1305                           ae->name,
1306                           ae->typeString(),
1307                           ae->flags.flagsStr());
1308         dump_SBufList(entry, ae->dump());
1309         ae = ae->next;
1310     }
1311 }
1312
1313 static void
1314 parse_acl(ACL ** ae)
1315 {
1316     ACL::ParseAclLine(LegacyParser, ae);
1317 }
1318
1319 static void
1320 free_acl(ACL ** ae)
1321 {
1322     aclDestroyAcls(ae);
1323 }
1324
1325 void
1326 dump_acl_list(StoreEntry * entry, ACLList * head)
1327 {
1328     dump_SBufList(entry, head->dump());
1329 }
1330
1331 void
1332 dump_acl_access(StoreEntry * entry, const char *name, acl_access * head)
1333 {
1334     if (head)
1335         dump_SBufList(entry, head->treeDump(name,NULL));
1336 }
1337
1338 static void
1339 parse_acl_access(acl_access ** head)
1340 {
1341     aclParseAccessLine(cfg_directive, LegacyParser, head);
1342 }
1343
1344 static void
1345 free_acl_access(acl_access ** head)
1346 {
1347     aclDestroyAccessList(head);
1348 }
1349
1350 static void
1351 dump_address(StoreEntry * entry, const char *name, Ip::Address &addr)
1352 {
1353     char buf[MAX_IPSTRLEN];
1354     storeAppendPrintf(entry, "%s %s\n", name, addr.toStr(buf,MAX_IPSTRLEN) );
1355 }
1356
1357 static void
1358 parse_address(Ip::Address *addr)
1359 {
1360     char *token = ConfigParser::NextToken();
1361
1362     if (!token) {
1363         self_destruct();
1364         return;
1365     }
1366
1367     if (!strcmp(token,"any_addr"))
1368         addr->setAnyAddr();
1369     else if ( (!strcmp(token,"no_addr")) || (!strcmp(token,"full_mask")) )
1370         addr->setNoAddr();
1371     else if ( (*addr = token) ) // try parse numeric/IPA
1372         (void) 0;
1373     else if (addr->GetHostByName(token)) // dont use ipcache
1374         (void) 0;
1375     else { // not an IP and not a hostname
1376         debugs(3, DBG_CRITICAL, "FATAL: invalid IP address or domain name '" << token << "'");
1377         self_destruct();
1378     }
1379 }
1380
1381 static void
1382 free_address(Ip::Address *addr)
1383 {
1384     addr->setEmpty();
1385 }
1386
1387 static void
1388 dump_acl_address(StoreEntry * entry, const char *name, Acl::Address * head)
1389 {
1390     char buf[MAX_IPSTRLEN];
1391
1392     for (Acl::Address *l = head; l; l = l->next) {
1393         if (!l->addr.isAnyAddr())
1394             storeAppendPrintf(entry, "%s %s", name, l->addr.toStr(buf,MAX_IPSTRLEN));
1395         else
1396             storeAppendPrintf(entry, "%s autoselect", name);
1397
1398         dump_acl_list(entry, l->aclList);
1399
1400         storeAppendPrintf(entry, "\n");
1401     }
1402 }
1403
1404 static void
1405 parse_acl_address(Acl::Address ** head)
1406 {
1407     Acl::Address *l = new Acl::Address;
1408     parse_address(&l->addr);
1409     aclParseAclList(LegacyParser, &l->aclList, l->addr);
1410
1411     Acl::Address **tail = head;
1412     while (*tail)
1413         tail = &(*tail)->next;
1414
1415     *tail = l;
1416 }
1417
1418 static void
1419 free_acl_address(Acl::Address ** head)
1420 {
1421     delete *head;
1422     *head = NULL;
1423 }
1424
1425 static void
1426 dump_acl_tos(StoreEntry * entry, const char *name, acl_tos * head)
1427 {
1428     acl_tos *l;
1429
1430     for (l = head; l; l = l->next) {
1431         if (l->tos > 0)
1432             storeAppendPrintf(entry, "%s 0x%02X", name, l->tos);
1433         else
1434             storeAppendPrintf(entry, "%s none", name);
1435
1436         dump_acl_list(entry, l->aclList);
1437
1438         storeAppendPrintf(entry, "\n");
1439     }
1440 }
1441
1442 static void
1443 parse_acl_tos(acl_tos ** head)
1444 {
1445     unsigned int tos;           /* Initially uint for strtoui. Casted to tos_t before return */
1446     char *token = ConfigParser::NextToken();
1447
1448     if (!token) {
1449         self_destruct();
1450         return;
1451     }
1452
1453     if (!xstrtoui(token, NULL, &tos, 0, std::numeric_limits<tos_t>::max())) {
1454         self_destruct();
1455         return;
1456     }
1457
1458     const unsigned int chTos = tos & 0xFC;
1459     if (chTos != tos) {
1460         debugs(3, DBG_PARSE_NOTE(DBG_IMPORTANT), "WARNING: Tos value '" << tos << "' adjusted to '" << chTos << "'");
1461         tos = chTos;
1462     }
1463
1464     acl_tos *l = new acl_tos;
1465
1466     l->tos = (tos_t)tos;
1467
1468     aclParseAclList(LegacyParser, &l->aclList, token);
1469
1470     acl_tos **tail = head;  /* sane name below */
1471     while (*tail)
1472         tail = &(*tail)->next;
1473
1474     *tail = l;
1475 }
1476
1477 static void
1478 free_acl_tos(acl_tos ** head)
1479 {
1480     delete *head;
1481     head = NULL;
1482 }
1483
1484 #if SO_MARK && USE_LIBCAP
1485
1486 static void
1487 dump_acl_nfmark(StoreEntry * entry, const char *name, acl_nfmark * head)
1488 {
1489     for (acl_nfmark *l = head; l; l = l->next) {
1490         if (l->nfmark > 0)
1491             storeAppendPrintf(entry, "%s 0x%02X", name, l->nfmark);
1492         else
1493             storeAppendPrintf(entry, "%s none", name);
1494
1495         dump_acl_list(entry, l->aclList);
1496
1497         storeAppendPrintf(entry, "\n");
1498     }
1499 }
1500
1501 static void
1502 parse_acl_nfmark(acl_nfmark ** head)
1503 {
1504     nfmark_t mark;
1505     char *token = ConfigParser::NextToken();
1506
1507     if (!token) {
1508         self_destruct();
1509         return;
1510     }
1511
1512     if (!xstrtoui(token, NULL, &mark, 0, std::numeric_limits<nfmark_t>::max())) {
1513         self_destruct();
1514         return;
1515     }
1516
1517     acl_nfmark *l = new acl_nfmark;
1518
1519     l->nfmark = mark;
1520
1521     aclParseAclList(LegacyParser, &l->aclList, token);
1522
1523     acl_nfmark **tail = head;   /* sane name below */
1524     while (*tail)
1525         tail = &(*tail)->next;
1526
1527     *tail = l;
1528 }
1529
1530 static void
1531 free_acl_nfmark(acl_nfmark ** head)
1532 {
1533     delete *head;
1534     head = NULL;
1535 }
1536 #endif /* SO_MARK */
1537
1538 static void
1539 dump_acl_b_size_t(StoreEntry * entry, const char *name, AclSizeLimit * head)
1540 {
1541     for (AclSizeLimit *l = head; l; l = l->next) {
1542         if (l->size != -1)
1543             storeAppendPrintf(entry, "%s %d %s\n", name, (int) l->size, B_BYTES_STR);
1544         else
1545             storeAppendPrintf(entry, "%s none", name);
1546
1547         dump_acl_list(entry, l->aclList);
1548
1549         storeAppendPrintf(entry, "\n");
1550     }
1551 }
1552
1553 static void
1554 parse_acl_b_size_t(AclSizeLimit ** head)
1555 {
1556     AclSizeLimit *l = new AclSizeLimit;
1557
1558     parse_b_int64_t(&l->size);
1559
1560     aclParseAclList(LegacyParser, &l->aclList, l->size);
1561
1562     AclSizeLimit **tail = head; /* sane name below */
1563     while (*tail)
1564         tail = &(*tail)->next;
1565
1566     *tail = l;
1567 }
1568
1569 static void
1570 free_acl_b_size_t(AclSizeLimit ** head)
1571 {
1572     delete *head;
1573     *head = NULL;
1574 }
1575
1576 #if USE_DELAY_POOLS
1577
1578 #include "DelayConfig.h"
1579 #include "DelayPools.h"
1580 /* do nothing - free_delay_pool_count is the magic free function.
1581  * this is why delay_pool_count isn't just marked TYPE: u_short
1582  */
1583 #define free_delay_pool_class(X)
1584 #define free_delay_pool_access(X)
1585 #define free_delay_pool_rates(X)
1586 #define dump_delay_pool_class(X, Y, Z)
1587 #define dump_delay_pool_access(X, Y, Z)
1588 #define dump_delay_pool_rates(X, Y, Z)
1589
1590 static void
1591 free_delay_pool_count(DelayConfig * cfg)
1592 {
1593     cfg->freePoolCount();
1594 }
1595
1596 static void
1597 dump_delay_pool_count(StoreEntry * entry, const char *name, DelayConfig &cfg)
1598 {
1599     cfg.dumpPoolCount (entry, name);
1600 }
1601
1602 static void
1603 parse_delay_pool_count(DelayConfig * cfg)
1604 {
1605     cfg->parsePoolCount();
1606 }
1607
1608 static void
1609 parse_delay_pool_class(DelayConfig * cfg)
1610 {
1611     cfg->parsePoolClass();
1612 }
1613
1614 static void
1615 parse_delay_pool_rates(DelayConfig * cfg)
1616 {
1617     cfg->parsePoolRates();
1618 }
1619
1620 static void
1621 parse_delay_pool_access(DelayConfig * cfg)
1622 {
1623     cfg->parsePoolAccess(LegacyParser);
1624 }
1625
1626 #endif
1627
1628 #if USE_DELAY_POOLS
1629 #include "ClientDelayConfig.h"
1630 /* do nothing - free_client_delay_pool_count is the magic free function.
1631  * this is why client_delay_pool_count isn't just marked TYPE: u_short
1632  */
1633
1634 #define free_client_delay_pool_access(X)
1635 #define free_client_delay_pool_rates(X)
1636 #define dump_client_delay_pool_access(X, Y, Z)
1637 #define dump_client_delay_pool_rates(X, Y, Z)
1638
1639 static void
1640 free_client_delay_pool_count(ClientDelayConfig * cfg)
1641 {
1642     cfg->freePoolCount();
1643 }
1644
1645 static void
1646 dump_client_delay_pool_count(StoreEntry * entry, const char *name, ClientDelayConfig &cfg)
1647 {
1648     cfg.dumpPoolCount (entry, name);
1649 }
1650
1651 static void
1652 parse_client_delay_pool_count(ClientDelayConfig * cfg)
1653 {
1654     cfg->parsePoolCount();
1655 }
1656
1657 static void
1658 parse_client_delay_pool_rates(ClientDelayConfig * cfg)
1659 {
1660     cfg->parsePoolRates();
1661 }
1662
1663 static void
1664 parse_client_delay_pool_access(ClientDelayConfig * cfg)
1665 {
1666     cfg->parsePoolAccess(LegacyParser);
1667 }
1668 #endif
1669
1670 #if USE_HTTP_VIOLATIONS
1671 static void
1672 dump_http_header_access(StoreEntry * entry, const char *name, const HeaderManglers *manglers)
1673 {
1674     if (manglers)
1675         manglers->dumpAccess(entry, name);
1676 }
1677
1678 static void
1679 parse_http_header_access(HeaderManglers **pm)
1680 {
1681     char *t = NULL;
1682
1683     if ((t = ConfigParser::NextToken()) == NULL) {
1684         debugs(3, DBG_CRITICAL, "" << cfg_filename << " line " << config_lineno << ": " << config_input_line);
1685         debugs(3, DBG_CRITICAL, "parse_http_header_access: missing header name.");
1686         return;
1687     }
1688
1689     if (!*pm)
1690         *pm = new HeaderManglers;
1691     HeaderManglers *manglers = *pm;
1692     headerMangler *mangler = manglers->track(t);
1693     assert(mangler);
1694
1695     std::string directive = "http_header_access ";
1696     directive += t;
1697     aclParseAccessLine(directive.c_str(), LegacyParser, &mangler->access_list);
1698 }
1699
1700 static void
1701 free_HeaderManglers(HeaderManglers **pm)
1702 {
1703     // we delete the entire http_header_* mangler configuration at once
1704     if (const HeaderManglers *manglers = *pm) {
1705         delete manglers;
1706         *pm = NULL;
1707     }
1708 }
1709
1710 static void
1711 dump_http_header_replace(StoreEntry * entry, const char *name, const HeaderManglers *manglers)
1712 {
1713     if (manglers)
1714         manglers->dumpReplacement(entry, name);
1715 }
1716
1717 static void
1718 parse_http_header_replace(HeaderManglers **pm)
1719 {
1720     char *t = NULL;
1721
1722     if ((t = ConfigParser::NextToken()) == NULL) {
1723         debugs(3, DBG_CRITICAL, "" << cfg_filename << " line " << config_lineno << ": " << config_input_line);
1724         debugs(3, DBG_CRITICAL, "parse_http_header_replace: missing header name.");
1725         return;
1726     }
1727
1728     const char *value = ConfigParser::NextQuotedOrToEol();
1729
1730     if (!*pm)
1731         *pm = new HeaderManglers;
1732     HeaderManglers *manglers = *pm;
1733     manglers->setReplacement(t, value);
1734 }
1735
1736 #endif
1737
1738 static void
1739 dump_cachedir(StoreEntry * entry, const char *name, const Store::DiskConfig &swap)
1740 {
1741     SwapDir *s;
1742     int i;
1743     assert (entry);
1744
1745     for (i = 0; i < swap.n_configured; ++i) {
1746         s = dynamic_cast<SwapDir *>(swap.swapDirs[i].getRaw());
1747         if (!s) continue;
1748         storeAppendPrintf(entry, "%s %s %s", name, s->type(), s->path);
1749         s->dump(*entry);
1750         storeAppendPrintf(entry, "\n");
1751     }
1752 }
1753
1754 static int
1755 check_null_string(char *s)
1756 {
1757     return s == NULL;
1758 }
1759
1760 #if USE_AUTH
1761 static void
1762 parse_authparam(Auth::ConfigVector * config)
1763 {
1764     char *type_str;
1765     char *param_str;
1766
1767     if ((type_str = ConfigParser::NextToken()) == NULL)
1768         self_destruct();
1769
1770     if ((param_str = ConfigParser::NextToken()) == NULL)
1771         self_destruct();
1772
1773     /* find a configuration for the scheme in the currently parsed configs... */
1774     Auth::Config *schemeCfg = Auth::Config::Find(type_str);
1775
1776     if (schemeCfg == NULL) {
1777         /* Create a configuration based on the scheme info */
1778         Auth::Scheme::Pointer theScheme = Auth::Scheme::Find(type_str);
1779
1780         if (theScheme == NULL) {
1781             debugs(3, DBG_CRITICAL, "Parsing Config File: Unknown authentication scheme '" << type_str << "'.");
1782             self_destruct();
1783         }
1784
1785         config->push_back(theScheme->createConfig());
1786         schemeCfg = Auth::Config::Find(type_str);
1787         if (schemeCfg == NULL) {
1788             debugs(3, DBG_CRITICAL, "Parsing Config File: Corruption configuring authentication scheme '" << type_str << "'.");
1789             self_destruct();
1790         }
1791     }
1792
1793     schemeCfg->parse(schemeCfg, config->size(), param_str);
1794 }
1795
1796 static void
1797 free_authparam(Auth::ConfigVector * cfg)
1798 {
1799     /* Wipe the Auth globals and Detach/Destruct component config + state. */
1800     cfg->clear();
1801
1802     /* on reconfigure initialize new auth schemes for the new config. */
1803     if (reconfiguring) {
1804         Auth::Init();
1805     }
1806 }
1807
1808 static void
1809 dump_authparam(StoreEntry * entry, const char *name, Auth::ConfigVector cfg)
1810 {
1811     for (Auth::ConfigVector::iterator  i = cfg.begin(); i != cfg.end(); ++i)
1812         (*i)->dump(entry, name, (*i));
1813 }
1814 #endif /* USE_AUTH */
1815
1816 /* TODO: just return the object, the # is irrelevant */
1817 static int
1818 find_fstype(char *type)
1819 {
1820     for (size_t i = 0; i < StoreFileSystem::FileSystems().size(); ++i)
1821         if (strcasecmp(type, StoreFileSystem::FileSystems().at(i)->type()) == 0)
1822             return (int)i;
1823
1824     return (-1);
1825 }
1826
1827 static void
1828 parse_cachedir(Store::DiskConfig *swap)
1829 {
1830     char *type_str;
1831     char *path_str;
1832     RefCount<SwapDir> sd;
1833     int i;
1834     int fs;
1835
1836     if ((type_str = ConfigParser::NextToken()) == NULL)
1837         self_destruct();
1838
1839     if ((path_str = ConfigParser::NextToken()) == NULL)
1840         self_destruct();
1841
1842     fs = find_fstype(type_str);
1843
1844     if (fs < 0) {
1845         debugs(3, DBG_PARSE_NOTE(DBG_IMPORTANT), "ERROR: This proxy does not support the '" << type_str << "' cache type. Ignoring.");
1846         return;
1847     }
1848
1849     /* reconfigure existing dir */
1850
1851     for (i = 0; i < swap->n_configured; ++i) {
1852         assert (swap->swapDirs[i].getRaw());
1853
1854         if ((strcasecmp(path_str, dynamic_cast<SwapDir *>(swap->swapDirs[i].getRaw())->path)) == 0) {
1855             /* this is specific to on-fs Stores. The right
1856              * way to handle this is probably to have a mapping
1857              * from paths to stores, and have on-fs stores
1858              * register with that, and lookip in that in their
1859              * own setup logic. RBC 20041225. TODO.
1860              */
1861
1862             sd = dynamic_cast<SwapDir *>(swap->swapDirs[i].getRaw());
1863
1864             if (strcmp(sd->type(), StoreFileSystem::FileSystems().at(fs)->type()) != 0) {
1865                 debugs(3, DBG_CRITICAL, "ERROR: Can't change type of existing cache_dir " <<
1866                        sd->type() << " " << sd->path << " to " << type_str << ". Restart required");
1867                 return;
1868             }
1869
1870             sd->reconfigure();
1871             return;
1872         }
1873     }
1874
1875     /* new cache_dir */
1876     if (swap->n_configured > 63) {
1877         /* 7 bits, signed */
1878         debugs(3, DBG_CRITICAL, "WARNING: There is a fixed maximum of 63 cache_dir entries Squid can handle.");
1879         debugs(3, DBG_CRITICAL, "WARNING: '" << path_str << "' is one to many.");
1880         self_destruct();
1881         return;
1882     }
1883
1884     allocate_new_swapdir(swap);
1885
1886     swap->swapDirs[swap->n_configured] = StoreFileSystem::FileSystems().at(fs)->createSwapDir();
1887
1888     sd = dynamic_cast<SwapDir *>(swap->swapDirs[swap->n_configured].getRaw());
1889
1890     /* parse the FS parameters and options */
1891     sd->parse(swap->n_configured, path_str);
1892
1893     ++swap->n_configured;
1894 }
1895
1896 static const char *
1897 peer_type_str(const peer_t type)
1898 {
1899     const char * result;
1900
1901     switch (type) {
1902
1903     case PEER_PARENT:
1904         result = "parent";
1905         break;
1906
1907     case PEER_SIBLING:
1908         result = "sibling";
1909         break;
1910
1911     case PEER_MULTICAST:
1912         result = "multicast";
1913         break;
1914
1915     default:
1916         result = "unknown";
1917         break;
1918     }
1919
1920     return result;
1921 }
1922
1923 static void
1924 dump_peer(StoreEntry * entry, const char *name, CachePeer * p)
1925 {
1926     NeighborTypeDomainList *t;
1927     LOCAL_ARRAY(char, xname, 128);
1928
1929     while (p != NULL) {
1930         storeAppendPrintf(entry, "%s %s %s %d %d name=%s",
1931                           name,
1932                           p->host,
1933                           neighborTypeStr(p),
1934                           p->http_port,
1935                           p->icp.port,
1936                           p->name);
1937         dump_peer_options(entry, p);
1938
1939         if (p->access) {
1940             snprintf(xname, 128, "cache_peer_access %s", p->name);
1941             dump_acl_access(entry, xname, p->access);
1942         }
1943
1944         for (t = p->typelist; t; t = t->next) {
1945             storeAppendPrintf(entry, "neighbor_type_domain %s %s %s\n",
1946                               p->host,
1947                               peer_type_str(t->type),
1948                               t->domain);
1949         }
1950
1951         p = p->next;
1952     }
1953 }
1954
1955 /**
1956  * utility function to prevent getservbyname() being called with a numeric value
1957  * on Windows at least it returns garage results.
1958  */
1959 static bool
1960 isUnsignedNumeric(const char *str, size_t len)
1961 {
1962     if (len < 1) return false;
1963
1964     for (; len >0 && *str; ++str, --len) {
1965         if (! isdigit(*str))
1966             return false;
1967     }
1968     return true;
1969 }
1970
1971 /**
1972  \param proto   'tcp' or 'udp' for protocol
1973  \returns       Port the named service is supposed to be listening on.
1974  */
1975 static unsigned short
1976 GetService(const char *proto)
1977 {
1978     struct servent *port = NULL;
1979     /** Parses a port number or service name from the squid.conf */
1980     char *token = ConfigParser::NextToken();
1981     if (token == NULL) {
1982         self_destruct();
1983         return 0; /* NEVER REACHED */
1984     }
1985     /** Returns either the service port number from /etc/services */
1986     if ( !isUnsignedNumeric(token, strlen(token)) )
1987         port = getservbyname(token, proto);
1988     if (port != NULL) {
1989         return ntohs((unsigned short)port->s_port);
1990     }
1991     /** Or a numeric translation of the config text. */
1992     return xatos(token);
1993 }
1994
1995 /**
1996  \returns       Port the named TCP service is supposed to be listening on.
1997  \copydoc GetService(const char *proto)
1998  */
1999 inline unsigned short
2000 GetTcpService(void)
2001 {
2002     return GetService("tcp");
2003 }
2004
2005 /**
2006  \returns       Port the named UDP service is supposed to be listening on.
2007  \copydoc GetService(const char *proto)
2008  */
2009 inline unsigned short
2010 GetUdpService(void)
2011 {
2012     return GetService("udp");
2013 }
2014
2015 static void
2016 parse_peer(CachePeer ** head)
2017 {
2018     char *token = NULL;
2019     CachePeer *p = new CachePeer;
2020
2021     if ((token = ConfigParser::NextToken()) == NULL)
2022         self_destruct();
2023
2024     p->host = xstrdup(token);
2025
2026     p->name = xstrdup(token);
2027
2028     if ((token = ConfigParser::NextToken()) == NULL)
2029         self_destruct();
2030
2031     p->type = parseNeighborType(token);
2032
2033     if (p->type == PEER_MULTICAST) {
2034         p->options.no_digest = true;
2035         p->options.no_netdb_exchange = true;
2036     }
2037
2038     p->http_port = GetTcpService();
2039
2040     if (!p->http_port)
2041         self_destruct();
2042
2043     p->icp.port = GetUdpService();
2044
2045     while ((token = ConfigParser::NextToken())) {
2046         if (!strcmp(token, "proxy-only")) {
2047             p->options.proxy_only = true;
2048         } else if (!strcmp(token, "no-query")) {
2049             p->options.no_query = true;
2050         } else if (!strcmp(token, "background-ping")) {
2051             p->options.background_ping = true;
2052         } else if (!strcmp(token, "no-digest")) {
2053             p->options.no_digest = true;
2054         } else if (!strcmp(token, "no-tproxy")) {
2055             p->options.no_tproxy = true;
2056         } else if (!strcmp(token, "multicast-responder")) {
2057             p->options.mcast_responder = true;
2058 #if PEER_MULTICAST_SIBLINGS
2059         } else if (!strcmp(token, "multicast-siblings")) {
2060             p->options.mcast_siblings = true;
2061 #endif
2062         } else if (!strncmp(token, "weight=", 7)) {
2063             p->weight = xatoi(token + 7);
2064         } else if (!strncmp(token, "basetime=", 9)) {
2065             p->basetime = xatoi(token + 9);
2066         } else if (!strcmp(token, "closest-only")) {
2067             p->options.closest_only = true;
2068         } else if (!strncmp(token, "ttl=", 4)) {
2069             p->mcast.ttl = xatoi(token + 4);
2070
2071             if (p->mcast.ttl < 0)
2072                 p->mcast.ttl = 0;
2073
2074             if (p->mcast.ttl > 128)
2075                 p->mcast.ttl = 128;
2076         } else if (!strcmp(token, "default")) {
2077             p->options.default_parent = true;
2078         } else if (!strcmp(token, "round-robin")) {
2079             p->options.roundrobin = true;
2080         } else if (!strcmp(token, "weighted-round-robin")) {
2081             p->options.weighted_roundrobin = true;
2082 #if USE_HTCP
2083         } else if (!strcmp(token, "htcp")) {
2084             p->options.htcp = true;
2085         } else if (!strncmp(token, "htcp=", 5) || !strncmp(token, "htcp-", 5)) {
2086             /* Note: The htcp- form is deprecated, replaced by htcp= */
2087             p->options.htcp = true;
2088             char *tmp = xstrdup(token+5);
2089             char *mode, *nextmode;
2090             for (mode = nextmode = tmp; mode; mode = nextmode) {
2091                 nextmode = strchr(mode, ',');
2092                 if (nextmode) {
2093                     *nextmode = '\0';
2094                     ++nextmode;
2095                 }
2096                 if (!strcmp(mode, "no-clr")) {
2097                     if (p->options.htcp_only_clr)
2098                         fatalf("parse_peer: can't set htcp-no-clr and htcp-only-clr simultaneously");
2099                     p->options.htcp_no_clr = true;
2100                 } else if (!strcmp(mode, "no-purge-clr")) {
2101                     p->options.htcp_no_purge_clr = true;
2102                 } else if (!strcmp(mode, "only-clr")) {
2103                     if (p->options.htcp_no_clr)
2104                         fatalf("parse_peer: can't set htcp no-clr and only-clr simultaneously");
2105                     p->options.htcp_only_clr = true;
2106                 } else if (!strcmp(mode, "forward-clr")) {
2107                     p->options.htcp_forward_clr = true;
2108                 } else if (!strcmp(mode, "oldsquid")) {
2109                     p->options.htcp_oldsquid = true;
2110                 } else {
2111                     fatalf("invalid HTCP mode '%s'", mode);
2112                 }
2113             }
2114             safe_free(tmp);
2115 #endif
2116         } else if (!strcmp(token, "no-netdb-exchange")) {
2117             p->options.no_netdb_exchange = true;
2118
2119         } else if (!strcmp(token, "carp")) {
2120             if (p->type != PEER_PARENT)
2121                 fatalf("parse_peer: non-parent carp peer %s/%d\n", p->host, p->http_port);
2122
2123             p->options.carp = true;
2124         } else if (!strncmp(token, "carp-key=", 9)) {
2125             if (p->options.carp != true)
2126                 fatalf("parse_peer: carp-key specified on non-carp peer %s/%d\n", p->host, p->http_port);
2127             p->options.carp_key.set = true;
2128             char *nextkey=token+strlen("carp-key="), *key=nextkey;
2129             for (; key; key = nextkey) {
2130                 nextkey=strchr(key,',');
2131                 if (nextkey) ++nextkey; // skip the comma, any
2132                 if (0==strncmp(key,"scheme",6)) {
2133                     p->options.carp_key.scheme = true;
2134                 } else if (0==strncmp(key,"host",4)) {
2135                     p->options.carp_key.host = true;
2136                 } else if (0==strncmp(key,"port",4)) {
2137                     p->options.carp_key.port = true;
2138                 } else if (0==strncmp(key,"path",4)) {
2139                     p->options.carp_key.path = true;
2140                 } else if (0==strncmp(key,"params",6)) {
2141                     p->options.carp_key.params = true;
2142                 } else {
2143                     fatalf("invalid carp-key '%s'",key);
2144                 }
2145             }
2146         } else if (!strcmp(token, "userhash")) {
2147 #if USE_AUTH
2148             if (p->type != PEER_PARENT)
2149                 fatalf("parse_peer: non-parent userhash peer %s/%d\n", p->host, p->http_port);
2150
2151             p->options.userhash = true;
2152 #else
2153             fatalf("parse_peer: userhash requires authentication. peer %s/%d\n", p->host, p->http_port);
2154 #endif
2155         } else if (!strcmp(token, "sourcehash")) {
2156             if (p->type != PEER_PARENT)
2157                 fatalf("parse_peer: non-parent sourcehash peer %s/%d\n", p->host, p->http_port);
2158
2159             p->options.sourcehash = true;
2160
2161         } else if (!strcmp(token, "no-delay")) {
2162 #if USE_DELAY_POOLS
2163             p->options.no_delay = true;
2164 #else
2165             debugs(0, DBG_CRITICAL, "WARNING: cache_peer option 'no-delay' requires --enable-delay-pools");
2166 #endif
2167         } else if (!strncmp(token, "login=", 6)) {
2168             p->login = xstrdup(token + 6);
2169             rfc1738_unescape(p->login);
2170         } else if (!strcmp(token, "auth-no-keytab")) {
2171             p->options.auth_no_keytab = 1;
2172         } else if (!strncmp(token, "connect-timeout=", 16)) {
2173             p->connect_timeout = xatoi(token + 16);
2174         } else if (!strncmp(token, "connect-fail-limit=", 19)) {
2175             p->connect_fail_limit = xatoi(token + 19);
2176 #if USE_CACHE_DIGESTS
2177         } else if (!strncmp(token, "digest-url=", 11)) {
2178             p->digest_url = xstrdup(token + 11);
2179 #endif
2180
2181         } else if (!strcmp(token, "allow-miss")) {
2182             p->options.allow_miss = true;
2183         } else if (!strncmp(token, "max-conn=", 9)) {
2184             p->max_conn = xatoi(token + 9);
2185         } else if (!strncmp(token, "standby=", 8)) {
2186             p->standby.limit = xatoi(token + 8);
2187         } else if (!strcmp(token, "originserver")) {
2188             p->options.originserver = true;
2189         } else if (!strncmp(token, "name=", 5)) {
2190             safe_free(p->name);
2191
2192             if (token[5])
2193                 p->name = xstrdup(token + 5);
2194         } else if (!strncmp(token, "forceddomain=", 13)) {
2195             safe_free(p->domain);
2196             if (token[13])
2197                 p->domain = xstrdup(token + 13);
2198
2199         } else if (strncmp(token, "ssl", 3) == 0) {
2200 #if !USE_OPENSSL
2201             debugs(0, DBG_CRITICAL, "WARNING: cache_peer option '" << token << "' requires --with-openssl");
2202 #else
2203             p->secure.parse(token+3);
2204 #endif
2205         } else if (strncmp(token, "tls-", 4) == 0) {
2206             p->secure.parse(token+4);
2207         } else if (strcmp(token, "front-end-https") == 0) {
2208             p->front_end_https = 1;
2209         } else if (strcmp(token, "front-end-https=on") == 0) {
2210             p->front_end_https = 1;
2211         } else if (strcmp(token, "front-end-https=auto") == 0) {
2212             p->front_end_https = 2;
2213         } else if (strcmp(token, "connection-auth=off") == 0) {
2214             p->connection_auth = 0;
2215         } else if (strcmp(token, "connection-auth") == 0) {
2216             p->connection_auth = 1;
2217         } else if (strcmp(token, "connection-auth=on") == 0) {
2218             p->connection_auth = 1;
2219         } else if (strcmp(token, "connection-auth=auto") == 0) {
2220             p->connection_auth = 2;
2221         } else if (token[0] == '#') {
2222             // start of a text comment. stop reading this line.
2223             break;
2224         } else {
2225             debugs(3, DBG_PARSE_NOTE(DBG_IMPORTANT), "ERROR: Ignoring unknown cache_peer option '" << token << "'");
2226         }
2227     }
2228
2229     if (peerFindByName(p->name))
2230         fatalf("ERROR: cache_peer %s specified twice\n", p->name);
2231
2232     if (p->max_conn > 0 && p->max_conn < p->standby.limit)
2233         fatalf("ERROR: cache_peer %s max-conn=%d is lower than its standby=%d\n", p->host, p->max_conn, p->standby.limit);
2234
2235     if (p->weight < 1)
2236         p->weight = 1;
2237
2238     if (p->connect_fail_limit < 1)
2239         p->connect_fail_limit = 10;
2240
2241 #if USE_CACHE_DIGESTS
2242
2243     if (!p->options.no_digest) {
2244         /* XXX This looks odd.. who has the original pointer
2245          * then?
2246          */
2247         PeerDigest *pd = peerDigestCreate(p);
2248         p->digest = cbdataReference(pd);
2249     }
2250
2251 #endif
2252
2253     p->index =  ++Config.npeers;
2254
2255     while (*head != NULL)
2256         head = &(*head)->next;
2257
2258     *head = p;
2259
2260     peerClearRRStart();
2261 }
2262
2263 static void
2264 free_peer(CachePeer ** P)
2265 {
2266     delete *P;
2267     *P = NULL;
2268     Config.npeers = 0;
2269 }
2270
2271 static void
2272 dump_cachemgrpasswd(StoreEntry * entry, const char *name, Mgr::ActionPasswordList * list)
2273 {
2274     wordlist *w;
2275
2276     while (list != NULL) {
2277         if (strcmp(list->passwd, "none") && strcmp(list->passwd, "disable"))
2278             storeAppendPrintf(entry, "%s XXXXXXXXXX", name);
2279         else
2280             storeAppendPrintf(entry, "%s %s", name, list->passwd);
2281
2282         for (w = list->actions; w != NULL; w = w->next) {
2283             storeAppendPrintf(entry, " %s", w->key);
2284         }
2285
2286         storeAppendPrintf(entry, "\n");
2287         list = list->next;
2288     }
2289 }
2290
2291 static void
2292 parse_cachemgrpasswd(Mgr::ActionPasswordList ** head)
2293 {
2294     char *passwd = NULL;
2295     wordlist *actions = NULL;
2296     Mgr::ActionPasswordList *p;
2297     Mgr::ActionPasswordList **P;
2298     parse_string(&passwd);
2299     parse_wordlist(&actions);
2300     p = new Mgr::ActionPasswordList;
2301     p->passwd = passwd;
2302     p->actions = actions;
2303
2304     for (P = head; *P; P = &(*P)->next) {
2305         /*
2306          * See if any of the actions from this line already have a
2307          * password from previous lines.  The password checking
2308          * routines in cache_manager.c take the the password from
2309          * the first Mgr::ActionPasswordList that contains the
2310          * requested action.  Thus, we should warn users who might
2311          * think they can have two passwords for the same action.
2312          */
2313         wordlist *w;
2314         wordlist *u;
2315
2316         for (w = (*P)->actions; w; w = w->next) {
2317             for (u = actions; u; u = u->next) {
2318                 if (strcmp(w->key, u->key))
2319                     continue;
2320
2321                 debugs(0, DBG_CRITICAL, "WARNING: action '" << u->key << "' (line " << config_lineno << ") already has a password");
2322             }
2323         }
2324     }
2325
2326     *P = p;
2327 }
2328
2329 static void
2330 free_cachemgrpasswd(Mgr::ActionPasswordList ** head)
2331 {
2332     Mgr::ActionPasswordList *p;
2333
2334     while ((p = *head) != NULL) {
2335         *head = p->next;
2336         xfree(p->passwd);
2337         wordlistDestroy(&p->actions);
2338         xfree(p);
2339     }
2340 }
2341
2342 static void
2343 dump_denyinfo(StoreEntry * entry, const char *name, AclDenyInfoList * var)
2344 {
2345     AclNameList *a;
2346
2347     while (var != NULL) {
2348         storeAppendPrintf(entry, "%s %s", name, var->err_page_name);
2349
2350         for (a = var->acl_list; a != NULL; a = a->next)
2351             storeAppendPrintf(entry, " %s", a->name);
2352
2353         storeAppendPrintf(entry, "\n");
2354
2355         var = var->next;
2356     }
2357 }
2358
2359 static void
2360 parse_denyinfo(AclDenyInfoList ** var)
2361 {
2362     aclParseDenyInfoLine(var);
2363 }
2364
2365 void
2366 free_denyinfo(AclDenyInfoList ** list)
2367 {
2368     AclDenyInfoList *a = NULL;
2369     AclDenyInfoList *a_next = NULL;
2370     AclNameList *l = NULL;
2371     AclNameList *l_next = NULL;
2372
2373     for (a = *list; a; a = a_next) {
2374         for (l = a->acl_list; l; l = l_next) {
2375             l_next = l->next;
2376             memFree(l, MEM_ACL_NAME_LIST);
2377             l = NULL;
2378         }
2379
2380         a_next = a->next;
2381         memFree(a, MEM_ACL_DENY_INFO_LIST);
2382         a = NULL;
2383     }
2384
2385     *list = NULL;
2386 }
2387
2388 static void
2389 parse_peer_access(void)
2390 {
2391     char *host = NULL;
2392     CachePeer *p;
2393
2394     if (!(host = ConfigParser::NextToken()))
2395         self_destruct();
2396
2397     if ((p = peerFindByName(host)) == NULL) {
2398         debugs(15, DBG_CRITICAL, "" << cfg_filename << ", line " << config_lineno << ": No cache_peer '" << host << "'");
2399         return;
2400     }
2401
2402     std::string directive = "peer_access ";
2403     directive += host;
2404     aclParseAccessLine(directive.c_str(), LegacyParser, &p->access);
2405 }
2406
2407 static void
2408 parse_hostdomaintype(void)
2409 {
2410     char *host = NULL;
2411     char *type = NULL;
2412     char *domain = NULL;
2413
2414     if (!(host = ConfigParser::NextToken()))
2415         self_destruct();
2416
2417     if (!(type = ConfigParser::NextToken()))
2418         self_destruct();
2419
2420     while ((domain = ConfigParser::NextToken())) {
2421         NeighborTypeDomainList *l = NULL;
2422         NeighborTypeDomainList **L = NULL;
2423         CachePeer *p;
2424
2425         if ((p = peerFindByName(host)) == NULL) {
2426             debugs(15, DBG_CRITICAL, "" << cfg_filename << ", line " << config_lineno << ": No cache_peer '" << host << "'");
2427             return;
2428         }
2429
2430         l = static_cast<NeighborTypeDomainList *>(xcalloc(1, sizeof(NeighborTypeDomainList)));
2431         l->type = parseNeighborType(type);
2432         l->domain = xstrdup(domain);
2433
2434         for (L = &(p->typelist); *L; L = &((*L)->next));
2435         *L = l;
2436     }
2437 }
2438
2439 static void
2440 dump_int(StoreEntry * entry, const char *name, int var)
2441 {
2442     storeAppendPrintf(entry, "%s %d\n", name, var);
2443 }
2444
2445 void
2446 parse_int(int *var)
2447 {
2448     int i;
2449     i = GetInteger();
2450     *var = i;
2451 }
2452
2453 static void
2454 free_int(int *var)
2455 {
2456     *var = 0;
2457 }
2458
2459 static void
2460 dump_int64_t(StoreEntry * entry, const char *name, int64_t var)
2461 {
2462     storeAppendPrintf(entry, "%s %" PRId64 "\n", name, var);
2463 }
2464
2465 void
2466 parse_int64_t(int64_t *var)
2467 {
2468     int64_t i;
2469     i = GetInteger64();
2470     *var = i;
2471 }
2472
2473 static void
2474 free_int64_t(int64_t *var)
2475 {
2476     *var = 0;
2477 }
2478
2479 static void
2480 dump_onoff(StoreEntry * entry, const char *name, int var)
2481 {
2482     storeAppendPrintf(entry, "%s %s\n", name, var ? "on" : "off");
2483 }
2484
2485 void
2486 parse_onoff(int *var)
2487 {
2488     char *token = ConfigParser::NextToken();
2489
2490     if (token == NULL)
2491         self_destruct();
2492
2493     if (!strcmp(token, "on")) {
2494         *var = 1;
2495     } else if (!strcmp(token, "enable")) {
2496         debugs(0, DBG_PARSE_NOTE(DBG_IMPORTANT), "WARNING: 'enable' is deprecated. Please update to use 'on'.");
2497         *var = 1;
2498     } else if (!strcmp(token, "off")) {
2499         *var = 0;
2500     } else if (!strcmp(token, "disable")) {
2501         debugs(0, DBG_PARSE_NOTE(DBG_IMPORTANT), "WARNING: 'disable' is deprecated. Please update to use 'off'.");
2502         *var = 0;
2503     } else {
2504         debugs(0, DBG_PARSE_NOTE(DBG_IMPORTANT), "ERROR: Invalid option: Boolean options can only be 'on' or 'off'.");
2505         self_destruct();
2506     }
2507 }
2508
2509 #define free_onoff free_int
2510
2511 static void
2512 dump_tristate(StoreEntry * entry, const char *name, int var)
2513 {
2514     const char *state;
2515
2516     if (var > 0)
2517         state = "on";
2518     else if (var < 0)
2519         state = "warn";
2520     else
2521         state = "off";
2522
2523     storeAppendPrintf(entry, "%s %s\n", name, state);
2524 }
2525
2526 static void
2527 parse_tristate(int *var)
2528 {
2529     char *token = ConfigParser::NextToken();
2530
2531     if (token == NULL)
2532         self_destruct();
2533
2534     if (!strcmp(token, "on")) {
2535         *var = 1;
2536     } else if (!strcmp(token, "enable")) {
2537         debugs(0, DBG_PARSE_NOTE(DBG_IMPORTANT), "WARNING: 'enable' is deprecated. Please update to use value 'on'.");
2538         *var = 1;
2539     } else if (!strcmp(token, "warn")) {
2540         *var = -1;
2541     } else if (!strcmp(token, "off")) {
2542         *var = 0;
2543     } else if (!strcmp(token, "disable")) {
2544         debugs(0, DBG_PARSE_NOTE(DBG_IMPORTANT), "WARNING: 'disable' is deprecated. Please update to use value 'off'.");
2545         *var = 0;
2546     } else {
2547         debugs(0, DBG_PARSE_NOTE(DBG_IMPORTANT), "ERROR: Invalid option: Tristate options can only be 'on', 'off', or 'warn'.");
2548         self_destruct();
2549     }
2550 }
2551
2552 #define free_tristate free_int
2553
2554 void
2555 parse_pipelinePrefetch(int *var)
2556 {
2557     char *token = ConfigParser::PeekAtToken();
2558
2559     if (token == NULL)
2560         self_destruct();
2561
2562     if (!strcmp(token, "on")) {
2563         debugs(0, DBG_PARSE_NOTE(DBG_IMPORTANT), "WARNING: 'pipeline_prefetch on' is deprecated. Please update to use 1 (or a higher number).");
2564         *var = 1;
2565         //pop the token
2566         (void)ConfigParser::NextToken();
2567     } else if (!strcmp(token, "off")) {
2568         debugs(0, DBG_PARSE_NOTE(2), "WARNING: 'pipeline_prefetch off' is deprecated. Please update to use '0'.");
2569         *var = 0;
2570         //pop the token
2571         (void)ConfigParser::NextToken();
2572     } else
2573         parse_int(var);
2574 }
2575
2576 #define free_pipelinePrefetch free_int
2577 #define dump_pipelinePrefetch dump_int
2578
2579 static void
2580 dump_refreshpattern(StoreEntry * entry, const char *name, RefreshPattern * head)
2581 {
2582     while (head != NULL) {
2583         storeAppendPrintf(entry, "%s%s %s %d %d%% %d",
2584                           name,
2585                           head->pattern.flags&REG_ICASE ? " -i" : null_string,
2586                           head->pattern.c_str(),
2587                           (int) head->min / 60,
2588                           (int) (100.0 * head->pct + 0.5),
2589                           (int) head->max / 60);
2590
2591         if (head->max_stale >= 0)
2592             storeAppendPrintf(entry, " max-stale=%d", head->max_stale);
2593
2594         if (head->flags.refresh_ims)
2595             storeAppendPrintf(entry, " refresh-ims");
2596
2597         if (head->flags.store_stale)
2598             storeAppendPrintf(entry, " store-stale");
2599
2600 #if USE_HTTP_VIOLATIONS
2601
2602         if (head->flags.override_expire)
2603             storeAppendPrintf(entry, " override-expire");
2604
2605         if (head->flags.override_lastmod)
2606             storeAppendPrintf(entry, " override-lastmod");
2607
2608         if (head->flags.reload_into_ims)
2609             storeAppendPrintf(entry, " reload-into-ims");
2610
2611         if (head->flags.ignore_reload)
2612             storeAppendPrintf(entry, " ignore-reload");
2613
2614         if (head->flags.ignore_no_store)
2615             storeAppendPrintf(entry, " ignore-no-store");
2616
2617         if (head->flags.ignore_private)
2618             storeAppendPrintf(entry, " ignore-private");
2619 #endif
2620
2621         storeAppendPrintf(entry, "\n");
2622
2623         head = head->next;
2624     }
2625 }
2626
2627 static void
2628 parse_refreshpattern(RefreshPattern ** head)
2629 {
2630     char *token;
2631     char *pattern;
2632     time_t min = 0;
2633     double pct = 0.0;
2634     time_t max = 0;
2635     int refresh_ims = 0;
2636     int store_stale = 0;
2637     int max_stale = -1;
2638
2639 #if USE_HTTP_VIOLATIONS
2640
2641     int override_expire = 0;
2642     int override_lastmod = 0;
2643     int reload_into_ims = 0;
2644     int ignore_reload = 0;
2645     int ignore_no_store = 0;
2646     int ignore_private = 0;
2647 #endif
2648
2649     int i;
2650     RefreshPattern *t;
2651     regex_t comp;
2652     int errcode;
2653     int flags = REG_EXTENDED | REG_NOSUB;
2654
2655     if ((token = ConfigParser::RegexPattern()) != NULL) {
2656
2657         if (strcmp(token, "-i") == 0) {
2658             flags |= REG_ICASE;
2659             token = ConfigParser::RegexPattern();
2660         } else if (strcmp(token, "+i") == 0) {
2661             flags &= ~REG_ICASE;
2662             token = ConfigParser::RegexPattern();
2663         }
2664
2665     }
2666
2667     if (token == NULL) {
2668         debugs(3, DBG_CRITICAL, "FATAL: refresh_pattern missing the regex pattern parameter");
2669         self_destruct();
2670         return;
2671     }
2672
2673     pattern = xstrdup(token);
2674
2675     i = GetInteger();       /* token: min */
2676
2677     /* catch negative and insanely huge values close to 32-bit wrap */
2678     if (i < 0) {
2679         debugs(3, DBG_IMPORTANT, "WARNING: refresh_pattern minimum age negative. Cropped back to zero.");
2680         i = 0;
2681     }
2682     if (i > 60*24*365) {
2683         debugs(3, DBG_IMPORTANT, "WARNING: refresh_pattern minimum age too high. Cropped back to 1 year.");
2684         i = 60*24*365;
2685     }
2686
2687     min = (time_t) (i * 60);    /* convert minutes to seconds */
2688
2689     pct = GetPercentage(false);    /* token: pct . with no limit on size */
2690
2691     i = GetInteger();       /* token: max */
2692
2693     /* catch negative and insanely huge values close to 32-bit wrap */
2694     if (i < 0) {
2695         debugs(3, DBG_IMPORTANT, "WARNING: refresh_pattern maximum age negative. Cropped back to zero.");
2696         i = 0;
2697     }
2698     if (i > 60*24*365) {
2699         debugs(3, DBG_IMPORTANT, "WARNING: refresh_pattern maximum age too high. Cropped back to 1 year.");
2700         i = 60*24*365;
2701     }
2702
2703     max = (time_t) (i * 60);    /* convert minutes to seconds */
2704
2705     /* Options */
2706     while ((token = ConfigParser::NextToken()) != NULL) {
2707         if (!strcmp(token, "refresh-ims")) {
2708             refresh_ims = 1;
2709         } else if (!strcmp(token, "store-stale")) {
2710             store_stale = 1;
2711         } else if (!strncmp(token, "max-stale=", 10)) {
2712             max_stale = xatoi(token + 10);
2713
2714 #if USE_HTTP_VIOLATIONS
2715
2716         } else if (!strcmp(token, "override-expire"))
2717             override_expire = 1;
2718         else if (!strcmp(token, "override-lastmod"))
2719             override_lastmod = 1;
2720         else if (!strcmp(token, "ignore-no-store"))
2721             ignore_no_store = 1;
2722         else if (!strcmp(token, "ignore-private"))
2723             ignore_private = 1;
2724         else if (!strcmp(token, "reload-into-ims")) {
2725             reload_into_ims = 1;
2726             refresh_nocache_hack = 1;
2727             /* tell client_side.c that this is used */
2728         } else if (!strcmp(token, "ignore-reload")) {
2729             ignore_reload = 1;
2730             refresh_nocache_hack = 1;
2731             /* tell client_side.c that this is used */
2732 #endif
2733
2734         } else if (!strcmp(token, "ignore-no-cache") ||
2735                    !strcmp(token, "ignore-must-revalidate") ||
2736                    !strcmp(token, "ignore-auth")
2737                   ) {
2738             debugs(22, DBG_PARSE_NOTE(2), "UPGRADE: refresh_pattern option '" << token << "' is obsolete. Remove it.");
2739         } else
2740             debugs(22, DBG_CRITICAL, "refreshAddToList: Unknown option '" << pattern << "': " << token);
2741     }
2742
2743     if ((errcode = regcomp(&comp, pattern, flags)) != 0) {
2744         char errbuf[256];
2745         regerror(errcode, &comp, errbuf, sizeof errbuf);
2746         debugs(22, DBG_CRITICAL, "" << cfg_filename << " line " << config_lineno << ": " << config_input_line);
2747         debugs(22, DBG_CRITICAL, "refreshAddToList: Invalid regular expression '" << pattern << "': " << errbuf);
2748         xfree(pattern);
2749         return;
2750     }
2751
2752     pct = pct < 0.0 ? 0.0 : pct;
2753     max = max < 0 ? 0 : max;
2754     t = new RefreshPattern(pattern, flags);
2755     t->pattern.regex = comp;
2756     t->min = min;
2757     t->pct = pct;
2758     t->max = max;
2759
2760     if (refresh_ims)
2761         t->flags.refresh_ims = true;
2762
2763     if (store_stale)
2764         t->flags.store_stale = true;
2765
2766     t->max_stale = max_stale;
2767
2768 #if USE_HTTP_VIOLATIONS
2769
2770     if (override_expire)
2771         t->flags.override_expire = true;
2772
2773     if (override_lastmod)
2774         t->flags.override_lastmod = true;
2775
2776     if (reload_into_ims)
2777         t->flags.reload_into_ims = true;
2778
2779     if (ignore_reload)
2780         t->flags.ignore_reload = true;
2781
2782     if (ignore_no_store)
2783         t->flags.ignore_no_store = true;
2784
2785     if (ignore_private)
2786         t->flags.ignore_private = true;
2787 #endif
2788
2789     t->next = NULL;
2790
2791     while (*head)
2792         head = &(*head)->next;
2793
2794     *head = t;
2795
2796     xfree(pattern);
2797 }
2798
2799 static void
2800 free_refreshpattern(RefreshPattern ** head)
2801 {
2802     delete *head;
2803     *head = nullptr;
2804
2805 #if USE_HTTP_VIOLATIONS
2806     refresh_nocache_hack = 0;
2807
2808 #endif
2809 }
2810
2811 static void
2812 dump_string(StoreEntry * entry, const char *name, char *var)
2813 {
2814     if (var != NULL)
2815         storeAppendPrintf(entry, "%s %s\n", name, var);
2816 }
2817
2818 static void
2819 parse_string(char **var)
2820 {
2821     char *token = ConfigParser::NextToken();
2822     safe_free(*var);
2823
2824     if (token == NULL)
2825         self_destruct();
2826
2827     *var = xstrdup(token);
2828 }
2829
2830 static void
2831 free_string(char **var)
2832 {
2833     safe_free(*var);
2834 }
2835
2836 void
2837 parse_eol(char *volatile *var)
2838 {
2839     if (!var) {
2840         self_destruct();
2841         return;
2842     }
2843
2844     unsigned char *token = (unsigned char *) ConfigParser::NextQuotedOrToEol();
2845     safe_free(*var);
2846
2847     if (!token) {
2848         self_destruct();
2849         return;
2850     }
2851
2852     while (*token && xisspace(*token))
2853         ++token;
2854
2855     if (!*token) {
2856         self_destruct();
2857         return;
2858     }
2859
2860     *var = xstrdup((char *) token);
2861 }
2862
2863 #define dump_eol dump_string
2864 #define free_eol free_string
2865
2866 static void
2867 parse_TokenOrQuotedString(char **var)
2868 {
2869     char *token = ConfigParser::NextQuotedToken();
2870     safe_free(*var);
2871
2872     if (token == NULL)
2873         self_destruct();
2874
2875     *var = xstrdup(token);
2876 }
2877
2878 #define dump_TokenOrQuotedString dump_string
2879 #define free_TokenOrQuotedString free_string
2880
2881 static void
2882 dump_time_t(StoreEntry * entry, const char *name, time_t var)
2883 {
2884     storeAppendPrintf(entry, "%s %d seconds\n", name, (int) var);
2885 }
2886
2887 void
2888 parse_time_t(time_t * var)
2889 {
2890     time_msec_t tval;
2891     parseTimeLine(&tval, T_SECOND_STR, false);
2892     *var = static_cast<time_t>(tval/1000);
2893 }
2894
2895 static void
2896 free_time_t(time_t * var)
2897 {
2898     *var = 0;
2899 }
2900
2901 static void
2902 dump_time_msec(StoreEntry * entry, const char *name, time_msec_t var)
2903 {
2904     if (var % 1000)
2905         storeAppendPrintf(entry, "%s %" PRId64 " milliseconds\n", name, var);
2906     else
2907         storeAppendPrintf(entry, "%s %d seconds\n", name, (int)(var/1000) );
2908 }
2909
2910 void
2911 parse_time_msec(time_msec_t * var)
2912 {
2913     parseTimeLine(var, T_SECOND_STR, true);
2914 }
2915
2916 static void
2917 free_time_msec(time_msec_t * var)
2918 {
2919     *var = 0;
2920 }
2921
2922 #if UNUSED_CODE
2923 static void
2924 dump_size_t(StoreEntry * entry, const char *name, size_t var)
2925 {
2926     storeAppendPrintf(entry, "%s %d\n", name, (int) var);
2927 }
2928 #endif
2929
2930 static void
2931 dump_b_size_t(StoreEntry * entry, const char *name, size_t var)
2932 {
2933     storeAppendPrintf(entry, "%s %d %s\n", name, (int) var, B_BYTES_STR);
2934 }
2935
2936 static void
2937 dump_b_ssize_t(StoreEntry * entry, const char *name, ssize_t var)
2938 {
2939     storeAppendPrintf(entry, "%s %d %s\n", name, (int) var, B_BYTES_STR);
2940 }
2941
2942 #if UNUSED_CODE
2943 static void
2944 dump_kb_size_t(StoreEntry * entry, const char *name, size_t var)
2945 {
2946     storeAppendPrintf(entry, "%s %d %s\n", name, (int) var, B_KBYTES_STR);
2947 }
2948 #endif
2949
2950 static void
2951 dump_b_int64_t(StoreEntry * entry, const char *name, int64_t var)
2952 {
2953     storeAppendPrintf(entry, "%s %" PRId64 " %s\n", name, var, B_BYTES_STR);
2954 }
2955
2956 static void
2957 dump_kb_int64_t(StoreEntry * entry, const char *name, int64_t var)
2958 {
2959     storeAppendPrintf(entry, "%s %" PRId64 " %s\n", name, var, B_KBYTES_STR);
2960 }
2961
2962 #if UNUSED_CODE
2963 static void
2964 parse_size_t(size_t * var)
2965 {
2966     int i;
2967     i = GetInteger();
2968     *var = (size_t) i;
2969 }
2970 #endif
2971
2972 static void
2973 parse_b_size_t(size_t * var)
2974 {
2975     parseBytesLine(var, B_BYTES_STR);
2976 }
2977
2978 static void
2979 parse_b_ssize_t(ssize_t * var)
2980 {
2981     parseBytesLineSigned(var, B_BYTES_STR);
2982 }
2983
2984 #if UNUSED_CODE
2985 static void
2986 parse_kb_size_t(size_t * var)
2987 {
2988     parseBytesLine(var, B_KBYTES_STR);
2989 }
2990 #endif
2991
2992 static void
2993 parse_b_int64_t(int64_t * var)
2994 {
2995     parseBytesLine64(var, B_BYTES_STR);
2996 }
2997
2998 static void
2999 parse_kb_int64_t(int64_t * var)
3000 {
3001     parseBytesLine64(var, B_KBYTES_STR);
3002 }
3003
3004 static void
3005 free_size_t(size_t * var)
3006 {
3007     *var = 0;
3008 }
3009
3010 static void
3011 free_ssize_t(ssize_t * var)
3012 {
3013     *var = 0;
3014 }
3015
3016 static void
3017 free_b_int64_t(int64_t * var)
3018 {
3019     *var = 0;
3020 }
3021
3022 #define free_b_size_t free_size_t
3023 #define free_b_ssize_t free_ssize_t
3024 #define free_kb_size_t free_size_t
3025 #define free_mb_size_t free_size_t
3026 #define free_gb_size_t free_size_t
3027 #define free_kb_int64_t free_b_int64_t
3028
3029 static void
3030 dump_u_short(StoreEntry * entry, const char *name, unsigned short var)
3031 {
3032     storeAppendPrintf(entry, "%s %d\n", name, var);
3033 }
3034
3035 static void
3036 free_u_short(unsigned short * u)
3037 {
3038     *u = 0;
3039 }
3040
3041 static void
3042 parse_u_short(unsigned short * var)
3043 {
3044     ConfigParser::ParseUShort(var);
3045 }
3046
3047 void
3048 ConfigParser::ParseUShort(unsigned short *var)
3049 {
3050     *var = GetShort();
3051 }
3052
3053 void
3054 ConfigParser::ParseBool(bool *var)
3055 {
3056     int i = GetInteger();
3057
3058     if (0 == i)
3059         *var = false;
3060     else if (1 == i)
3061         *var = true;
3062     else
3063         self_destruct();
3064 }
3065
3066 static void
3067 dump_wordlist(StoreEntry * entry, const char *name, wordlist * list)
3068 {
3069     while (list != NULL) {
3070         storeAppendPrintf(entry, "%s %s\n", name, list->key);
3071         list = list->next;
3072     }
3073 }
3074
3075 void
3076 ConfigParser::ParseWordList(wordlist ** list)
3077 {
3078     parse_wordlist(list);
3079 }
3080
3081 void
3082 parse_wordlist(wordlist ** list)
3083 {
3084     char *token;
3085     while ((token = ConfigParser::NextQuotedToken()))
3086         wordlistAdd(list, token);
3087 }
3088
3089 #if 0 /* now unused */
3090 static int
3091 check_null_wordlist(wordlist * w)
3092 {
3093     return w == NULL;
3094 }
3095 #endif
3096
3097 static int
3098 check_null_acl_access(acl_access * a)
3099 {
3100     return a == NULL;
3101 }
3102
3103 #define free_wordlist wordlistDestroy
3104
3105 #define free_uri_whitespace free_int
3106
3107 static void
3108 parse_uri_whitespace(int *var)
3109 {
3110     char *token = ConfigParser::NextToken();
3111
3112     if (token == NULL)
3113         self_destruct();
3114
3115     if (!strcmp(token, "strip"))
3116         *var = URI_WHITESPACE_STRIP;
3117     else if (!strcmp(token, "deny"))
3118         *var = URI_WHITESPACE_DENY;
3119     else if (!strcmp(token, "allow"))
3120         *var = URI_WHITESPACE_ALLOW;
3121     else if (!strcmp(token, "encode"))
3122         *var = URI_WHITESPACE_ENCODE;
3123     else if (!strcmp(token, "chop"))
3124         *var = URI_WHITESPACE_CHOP;
3125     else {
3126         debugs(0, DBG_PARSE_NOTE(2), "ERROR: Invalid option '" << token << "': 'uri_whitespace' accepts 'strip', 'deny', 'allow', 'encode', and 'chop'.");
3127         self_destruct();
3128     }
3129 }
3130
3131 static void
3132 dump_uri_whitespace(StoreEntry * entry, const char *name, int var)
3133 {
3134     const char *s;
3135
3136     if (var == URI_WHITESPACE_ALLOW)
3137         s = "allow";
3138     else if (var == URI_WHITESPACE_ENCODE)
3139         s = "encode";
3140     else if (var == URI_WHITESPACE_CHOP)
3141         s = "chop";
3142     else if (var == URI_WHITESPACE_DENY)
3143         s = "deny";
3144     else
3145         s = "strip";
3146
3147     storeAppendPrintf(entry, "%s %s\n", name, s);
3148 }
3149
3150 static void
3151 free_removalpolicy(RemovalPolicySettings ** settings)
3152 {
3153     if (!*settings)
3154         return;
3155
3156     free_string(&(*settings)->type);
3157
3158     free_wordlist(&(*settings)->args);
3159
3160     delete *settings;
3161
3162     *settings = NULL;
3163 }
3164
3165 static void
3166 parse_removalpolicy(RemovalPolicySettings ** settings)
3167 {
3168     if (*settings)
3169         free_removalpolicy(settings);
3170
3171     *settings = new RemovalPolicySettings;
3172
3173     parse_string(&(*settings)->type);
3174
3175     parse_wordlist(&(*settings)->args);
3176 }
3177
3178 static void
3179 dump_removalpolicy(StoreEntry * entry, const char *name, RemovalPolicySettings * settings)
3180 {
3181     wordlist *args;
3182     storeAppendPrintf(entry, "%s %s", name, settings->type);
3183     args = settings->args;
3184
3185     while (args) {
3186         storeAppendPrintf(entry, " %s", args->key);
3187         args = args->next;
3188     }
3189
3190     storeAppendPrintf(entry, "\n");
3191 }
3192
3193 inline void
3194 free_YesNoNone(YesNoNone *)
3195 {}
3196
3197 static void
3198 parse_YesNoNone(YesNoNone *option)
3199 {
3200     int value = 0;
3201     parse_onoff(&value);
3202     option->configure(value > 0);
3203 }
3204
3205 static void
3206 dump_YesNoNone(StoreEntry * entry, const char *name, YesNoNone &option)
3207 {
3208     if (option.configured())
3209         dump_onoff(entry, name, option ? 1 : 0);
3210 }
3211
3212 static void
3213 free_memcachemode(SquidConfig *)
3214 {}
3215
3216 static void
3217 parse_memcachemode(SquidConfig *)
3218 {
3219     char *token = ConfigParser::NextToken();
3220     if (!token)
3221         self_destruct();
3222
3223     if (strcmp(token, "always") == 0) {
3224         Config.onoff.memory_cache_first = 1;
3225         Config.onoff.memory_cache_disk = 1;
3226     } else if (strcmp(token, "disk") == 0) {
3227         Config.onoff.memory_cache_first = 0;
3228         Config.onoff.memory_cache_disk = 1;
3229     } else if (strncmp(token, "net", 3) == 0) {
3230         Config.onoff.memory_cache_first = 1;
3231         Config.onoff.memory_cache_disk = 0;
3232     } else if (strcmp(token, "never") == 0) {
3233         Config.onoff.memory_cache_first = 0;
3234         Config.onoff.memory_cache_disk = 0;
3235     } else {
3236         debugs(0, DBG_PARSE_NOTE(2), "ERROR: Invalid option '" << token << "': 'memory_cache_mode' accepts 'always', 'disk', 'network', and 'never'.");
3237         self_destruct();
3238     }
3239 }
3240
3241 static void
3242 dump_memcachemode(StoreEntry * entry, const char *name, SquidConfig &)
3243 {
3244     storeAppendPrintf(entry, "%s ", name);
3245     if (Config.onoff.memory_cache_first && Config.onoff.memory_cache_disk)
3246         storeAppendPrintf(entry, "always");
3247     else if (!Config.onoff.memory_cache_first && Config.onoff.memory_cache_disk)
3248         storeAppendPrintf(entry, "disk");
3249     else if (Config.onoff.memory_cache_first && !Config.onoff.memory_cache_disk)
3250         storeAppendPrintf(entry, "network");
3251     else if (!Config.onoff.memory_cache_first && !Config.onoff.memory_cache_disk)
3252         storeAppendPrintf(entry, "none");
3253     storeAppendPrintf(entry, "\n");
3254 }
3255
3256 #include "cf_parser.cci"
3257
3258 peer_t
3259 parseNeighborType(const char *s)
3260 {
3261     if (!strcmp(s, "parent"))
3262         return PEER_PARENT;
3263
3264     if (!strcmp(s, "neighbor"))
3265         return PEER_SIBLING;
3266
3267     if (!strcmp(s, "neighbour"))
3268         return PEER_SIBLING;
3269
3270     if (!strcmp(s, "sibling"))
3271         return PEER_SIBLING;
3272
3273     if (!strcmp(s, "multicast"))
3274         return PEER_MULTICAST;
3275
3276     debugs(15, DBG_CRITICAL, "WARNING: Unknown neighbor type: " << s);
3277
3278     return PEER_SIBLING;
3279 }
3280
3281 #if USE_WCCPv2
3282 static void
3283 parse_IpAddress_list(Ip::Address_list ** head)
3284 {
3285     char *token;
3286     Ip::Address_list *s;
3287     Ip::Address ipa;
3288
3289     while ((token = ConfigParser::NextToken())) {
3290         if (GetHostWithPort(token, &ipa)) {
3291
3292             while (*head)
3293                 head = &(*head)->next;
3294
3295             s = static_cast<Ip::Address_list *>(xcalloc(1, sizeof(*s)));
3296             s->s = ipa;
3297
3298             *head = s;
3299         } else
3300             self_destruct();
3301     }
3302 }
3303
3304 static void
3305 dump_IpAddress_list(StoreEntry * e, const char *n, const Ip::Address_list * s)
3306 {
3307     char ntoabuf[MAX_IPSTRLEN];
3308
3309     while (s) {
3310         storeAppendPrintf(e, "%s %s\n",
3311                           n,
3312                           s->s.toStr(ntoabuf,MAX_IPSTRLEN));
3313         s = s->next;
3314     }
3315 }
3316
3317 static void
3318 free_IpAddress_list(Ip::Address_list ** head)
3319 {
3320     if (*head) delete *head;
3321     *head = NULL;
3322 }
3323
3324 #if CURRENTLY_UNUSED
3325 /* This code was previously used by http_port. Left as it really should
3326  * be used by icp_port and htcp_port
3327  */
3328 static int
3329 check_null_IpAddress_list(const Ip::Address_list * s)
3330 {
3331     return NULL == s;
3332 }
3333
3334 #endif /* CURRENTLY_UNUSED */
3335 #endif /* USE_WCCPv2 */
3336
3337 static void
3338 parsePortSpecification(const AnyP::PortCfgPointer &s, char *token)
3339 {
3340     char *host = NULL;
3341     unsigned short port = 0;
3342     char *t = NULL;
3343     char *junk = NULL;
3344
3345     s->disable_pmtu_discovery = DISABLE_PMTU_OFF;
3346     s->name = xstrdup(token);
3347     s->connection_auth_disabled = false;
3348
3349     const char *portType = AnyP::UriScheme(s->transport.protocol).c_str();
3350
3351     if (*token == '[') {
3352         /* [ipv6]:port */
3353         host = token + 1;
3354         t = strchr(host, ']');
3355         if (!t) {
3356             debugs(3, DBG_CRITICAL, "FATAL: " << portType << "_port: missing ']' on IPv6 address: " << token);
3357             self_destruct();
3358         }
3359         *t = '\0';
3360         ++t;
3361         if (*t != ':') {
3362             debugs(3, DBG_CRITICAL, "FATAL: " << portType << "_port: missing Port in: " << token);
3363             self_destruct();
3364         }
3365         if (!Ip::EnableIpv6) {
3366             debugs(3, DBG_CRITICAL, "FATAL: " << portType << "_port: IPv6 is not available.");
3367             self_destruct();
3368         }
3369         port = xatos(t + 1);
3370     } else if ((t = strchr(token, ':'))) {
3371         /* host:port */
3372         /* ipv4:port */
3373         host = token;
3374         *t = '\0';
3375         port = xatos(t + 1);
3376
3377     } else if (strtol(token, &junk, 10) && !*junk) {
3378         port = xatos(token);
3379         debugs(3, 3, portType << "_port: found Listen on Port: " << port);
3380     } else {
3381         debugs(3, DBG_CRITICAL, "FATAL: " << portType << "_port: missing Port: " << token);
3382         self_destruct();
3383     }
3384
3385     if (port == 0 && host != NULL) {
3386         debugs(3, DBG_CRITICAL, "FATAL: " << portType << "_port: Port cannot be 0: " << token);
3387         self_destruct();
3388     }
3389
3390     if (NULL == host) {
3391         s->s.setAnyAddr();
3392         s->s.port(port);
3393         if (!Ip::EnableIpv6)
3394             s->s.setIPv4();
3395         debugs(3, 3, portType << "_port: found Listen on wildcard address: *:" << s->s.port());
3396     } else if ( (s->s = host) ) { /* check/parse numeric IPA */
3397         s->s.port(port);
3398         if (!Ip::EnableIpv6)
3399             s->s.setIPv4();
3400         debugs(3, 3, portType << "_port: Listen on Host/IP: " << host << " --> " << s->s);
3401     } else if ( s->s.GetHostByName(host) ) { /* check/parse for FQDN */
3402         /* dont use ipcache */
3403         s->defaultsite = xstrdup(host);
3404         s->s.port(port);
3405         if (!Ip::EnableIpv6)
3406             s->s.setIPv4();
3407         debugs(3, 3, portType << "_port: found Listen as Host " << s->defaultsite << " on IP: " << s->s);
3408     } else {
3409         debugs(3, DBG_CRITICAL, "FATAL: " << portType << "_port: failed to resolve Host/IP: " << host);
3410         self_destruct();
3411     }
3412 }
3413
3414 /// parses the protocol= option of the *_port directive, returning parsed value
3415 /// unsupported option values result in a fatal error message
3416 /// upper case values required; caller may convert for backward compatibility
3417 static AnyP::ProtocolVersion
3418 parsePortProtocol(const SBuf &value)
3419 {
3420     // HTTP/1.0 not supported because we are version 1.1 which contains a superset of 1.0
3421     // and RFC 2616 requires us to upgrade 1.0 to 1.1
3422     if (value.cmp("HTTP") == 0 || value.cmp("HTTP/1.1") == 0)
3423         return AnyP::ProtocolVersion(AnyP::PROTO_HTTP, 1,1);
3424
3425     if (value.cmp("HTTPS") == 0 || value.cmp("HTTPS/1.1") == 0)
3426         return AnyP::ProtocolVersion(AnyP::PROTO_HTTPS, 1,1);
3427
3428     if (value.cmp("FTP") == 0)
3429         return Ftp::ProtocolVersion();
3430
3431     fatalf("%s directive does not support protocol=" SQUIDSBUFPH "\n", cfg_directive, SQUIDSBUFPRINT(value));
3432     return AnyP::ProtocolVersion(); // not reached
3433 }
3434
3435 static void
3436 parse_port_option(AnyP::PortCfgPointer &s, char *token)
3437 {
3438     /* modes first */
3439
3440     if (strcmp(token, "accel") == 0) {
3441         if (s->flags.isIntercepted()) {
3442             debugs(3, DBG_CRITICAL, "FATAL: " << cfg_directive << ": Accelerator mode requires its own port. It cannot be shared with other modes.");
3443             self_destruct();
3444         }
3445         s->flags.accelSurrogate = true;
3446         s->vhost = true;
3447     } else if (strcmp(token, "transparent") == 0 || strcmp(token, "intercept") == 0) {
3448         if (s->flags.accelSurrogate || s->flags.tproxyIntercept) {
3449             debugs(3, DBG_CRITICAL, "FATAL: " << cfg_directive << ": Intercept mode requires its own interception port. It cannot be shared with other modes.");
3450             self_destruct();
3451         }
3452         s->flags.natIntercept = true;
3453         Ip::Interceptor.StartInterception();
3454         /* Log information regarding the port modes under interception. */
3455         debugs(3, DBG_IMPORTANT, "Starting Authentication on port " << s->s);
3456         debugs(3, DBG_IMPORTANT, "Disabling Authentication on port " << s->s << " (interception enabled)");
3457     } else if (strcmp(token, "tproxy") == 0) {
3458         if (s->flags.natIntercept || s->flags.accelSurrogate) {
3459             debugs(3,DBG_CRITICAL, "FATAL: " << cfg_directive << ": TPROXY option requires its own interception port. It cannot be shared with other modes.");
3460             self_destruct();
3461         }
3462         s->flags.tproxyIntercept = true;
3463         Ip::Interceptor.StartTransparency();
3464         /* Log information regarding the port modes under transparency. */
3465         debugs(3, DBG_IMPORTANT, "Disabling Authentication on port " << s->s << " (TPROXY enabled)");
3466
3467         if (s->flags.proxySurrogate) {
3468             debugs(3, DBG_IMPORTANT, "Disabling TPROXY Spoofing on port " << s->s << " (require-proxy-header enabled)");
3469         }
3470
3471         if (!Ip::Interceptor.ProbeForTproxy(s->s)) {
3472             debugs(3, DBG_CRITICAL, "FATAL: " << cfg_directive << ": TPROXY support in the system does not work.");
3473             self_destruct();
3474         }
3475
3476     } else if (strcmp(token, "require-proxy-header") == 0) {
3477         s->flags.proxySurrogate = true;
3478         if (s->flags.tproxyIntercept) {
3479             // receiving is still permitted, so we do not unset the TPROXY flag
3480             // spoofing access control override takes care of the spoof disable later
3481             debugs(3, DBG_IMPORTANT, "Disabling TPROXY Spoofing on port " << s->s << " (require-proxy-header enabled)");
3482         }
3483
3484     } else if (strncmp(token, "defaultsite=", 12) == 0) {
3485         if (!s->flags.accelSurrogate) {
3486             debugs(3, DBG_CRITICAL, "FATAL: " << cfg_directive << ": defaultsite option requires Acceleration mode flag.");
3487             self_destruct();
3488         }
3489         safe_free(s->defaultsite);
3490         s->defaultsite = xstrdup(token + 12);
3491     } else if (strcmp(token, "vhost") == 0) {
3492         if (!s->flags.accelSurrogate) {
3493             debugs(3, DBG_CRITICAL, "WARNING: " << cfg_directive << ": vhost option is deprecated. Use 'accel' mode flag instead.");
3494         }
3495         s->flags.accelSurrogate = true;
3496         s->vhost = true;
3497     } else if (strcmp(token, "no-vhost") == 0) {
3498         if (!s->flags.accelSurrogate) {
3499             debugs(3, DBG_IMPORTANT, "ERROR: " << cfg_directive << ": no-vhost option requires Acceleration mode flag.");
3500         }
3501         s->vhost = false;
3502     } else if (strcmp(token, "vport") == 0) {
3503         if (!s->flags.accelSurrogate) {
3504             debugs(3, DBG_CRITICAL, "FATAL: " << cfg_directive << ": vport option requires Acceleration mode flag.");
3505             self_destruct();
3506         }
3507         s->vport = -1;
3508     } else if (strncmp(token, "vport=", 6) == 0) {
3509         if (!s->flags.accelSurrogate) {
3510             debugs(3, DBG_CRITICAL, "FATAL: " << cfg_directive << ": vport option requires Acceleration mode flag.");
3511             self_destruct();
3512         }
3513         s->vport = xatos(token + 6);
3514     } else if (strncmp(token, "protocol=", 9) == 0) {
3515         if (!s->flags.accelSurrogate) {
3516             debugs(3, DBG_CRITICAL, "FATAL: " << cfg_directive << ": protocol option requires Acceleration mode flag.");
3517             self_destruct();
3518         }
3519         s->transport = parsePortProtocol(ToUpper(SBuf(token + 9)));
3520     } else if (strcmp(token, "allow-direct") == 0) {
3521         if (!s->flags.accelSurrogate) {
3522             debugs(3, DBG_CRITICAL, "FATAL: " << cfg_directive << ": allow-direct option requires Acceleration mode flag.");
3523             self_destruct();
3524         }
3525         s->allow_direct = true;
3526     } else if (strcmp(token, "act-as-origin") == 0) {
3527         if (!s->flags.accelSurrogate) {
3528             debugs(3, DBG_IMPORTANT, "ERROR: " << cfg_directive << ": act-as-origin option requires Acceleration mode flag.");
3529         } else
3530             s->actAsOrigin = true;
3531     } else if (strcmp(token, "ignore-cc") == 0) {
3532 #if !USE_HTTP_VIOLATIONS
3533         if (!s->flags.accelSurrogate) {
3534             debugs(3, DBG_CRITICAL, "FATAL: " << cfg_directive << ": ignore-cc option requires Acceleration mode flag.");
3535             self_destruct();
3536         }
3537 #endif
3538         s->ignore_cc = true;
3539     } else if (strncmp(token, "name=", 5) == 0) {
3540         safe_free(s->name);
3541         s->name = xstrdup(token + 5);
3542     } else if (strcmp(token, "no-connection-auth") == 0) {
3543         s->connection_auth_disabled = true;
3544     } else if (strcmp(token, "connection-auth=off") == 0) {
3545         s->connection_auth_disabled = true;
3546     } else if (strcmp(token, "connection-auth") == 0) {
3547         s->connection_auth_disabled = false;
3548     } else if (strcmp(token, "connection-auth=on") == 0) {
3549         s->connection_auth_disabled = false;
3550     } else if (strncmp(token, "disable-pmtu-discovery=", 23) == 0) {
3551         if (!strcmp(token + 23, "off"))
3552             s->disable_pmtu_discovery = DISABLE_PMTU_OFF;
3553         else if (!strcmp(token + 23, "transparent"))
3554             s->disable_pmtu_discovery = DISABLE_PMTU_TRANSPARENT;
3555         else if (!strcmp(token + 23, "always"))
3556             s->disable_pmtu_discovery = DISABLE_PMTU_ALWAYS;
3557         else
3558             self_destruct();
3559     } else if (strcmp(token, "ipv4") == 0) {
3560         if ( !s->s.setIPv4() ) {
3561             debugs(3, DBG_CRITICAL, "FATAL: " << cfg_directive << ": IPv6 addresses cannot be used as IPv4-Only. " << s->s );
3562             self_destruct();
3563         }
3564     } else if (strcmp(token, "tcpkeepalive") == 0) {
3565         s->tcp_keepalive.enabled = true;
3566     } else if (strncmp(token, "tcpkeepalive=", 13) == 0) {
3567         char *t = token + 13;
3568         s->tcp_keepalive.enabled = true;
3569         s->tcp_keepalive.idle = xatoui(t,',');
3570         t = strchr(t, ',');
3571         if (t) {
3572             ++t;
3573             s->tcp_keepalive.interval = xatoui(t,',');
3574             t = strchr(t, ',');
3575         }
3576         if (t) {
3577             ++t;
3578             s->tcp_keepalive.timeout = xatoui(t);
3579         }
3580 #if USE_OPENSSL
3581     } else if (strcmp(token, "sslBump") == 0) {
3582         debugs(3, DBG_PARSE_NOTE(1), "WARNING: '" << token << "' is deprecated " <<
3583                "in " << cfg_directive << ". Use 'ssl-bump' instead.");
3584         s->flags.tunnelSslBumping = true;
3585     } else if (strcmp(token, "ssl-bump") == 0) {
3586         s->flags.tunnelSslBumping = true;
3587     } else if (strncmp(token, "cert=", 5) == 0) {
3588         s->secure.parse(token);
3589     } else if (strncmp(token, "key=", 4) == 0) {
3590         s->secure.parse(token);
3591     } else if (strncmp(token, "version=", 8) == 0) {
3592         debugs(3, DBG_PARSE_NOTE(1), "UPGRADE WARNING: '" << token << "' is deprecated " <<
3593                "in " << cfg_directive << ". Use 'options=' instead.");
3594         s->secure.parse(token);
3595     } else if (strncmp(token, "options=", 8) == 0) {
3596         s->secure.parse(token);
3597     } else if (strncmp(token, "cipher=", 7) == 0) {
3598         s->secure.parse(token);
3599     } else if (strncmp(token, "clientca=", 9) == 0) {
3600         safe_free(s->clientca);
3601         s->clientca = xstrdup(token + 9);
3602     } else if (strncmp(token, "cafile=", 7) == 0) {
3603         debugs(3, DBG_PARSE_NOTE(1), "UPGRADE WARNING: '" << token << "' is deprecated " <<
3604                "in " << cfg_directive << ". Use 'tls-cafile=' instead.");
3605         s->secure.parse(token);
3606     } else if (strncmp(token, "capath=", 7) == 0) {
3607         s->secure.parse(token);
3608     } else if (strncmp(token, "crlfile=", 8) == 0) {
3609         s->secure.parse(token);
3610     } else if (strncmp(token, "dhparams=", 9) == 0) {
3611         debugs(3, DBG_PARSE_NOTE(DBG_IMPORTANT), "WARNING: '" << token << "' is deprecated " <<
3612                "in " << cfg_directive << ". Use 'tls-dh=' instead.");
3613         s->secure.parse(token);
3614     } else if (strncmp(token, "sslflags=", 9) == 0) {
3615         // NP: deprecation warnings output by secure.parse() when relevant
3616         s->secure.parse(token+3);
3617     } else if (strncmp(token, "sslcontext=", 11) == 0) {
3618         safe_free(s->sslContextSessionId);
3619         s->sslContextSessionId = xstrdup(token + 11);
3620     } else if (strcmp(token, "generate-host-certificates") == 0) {
3621         s->generateHostCertificates = true;
3622     } else if (strcmp(token, "generate-host-certificates=on") == 0) {
3623         s->generateHostCertificates = true;
3624     } else if (strcmp(token, "generate-host-certificates=off") == 0) {
3625         s->generateHostCertificates = false;
3626     } else if (strncmp(token, "dynamic_cert_mem_cache_size=", 28) == 0) {
3627         parseBytesOptionValue(&s->dynamicCertMemCacheSize, B_BYTES_STR, token + 28);
3628 #endif
3629     } else if (strncmp(token, "tls-", 4) == 0) {
3630         s->secure.parse(token+4);
3631     } else if (strcmp(token, "ftp-track-dirs") == 0) {
3632         s->ftp_track_dirs = true;
3633     } else {
3634         debugs(3, DBG_CRITICAL, "FATAL: Unknown " << cfg_directive << " option '" << token << "'.");
3635         self_destruct();
3636     }
3637 }
3638
3639 void
3640 add_http_port(char *portspec)
3641 {
3642     AnyP::PortCfgPointer s = new AnyP::PortCfg();
3643     s->transport = parsePortProtocol(SBuf("HTTP"));
3644     parsePortSpecification(s, portspec);
3645     // we may need to merge better if the above returns a list with clones
3646     assert(s->next == NULL);
3647     s->next = HttpPortList;
3648     HttpPortList = s;
3649 }
3650
3651 static void
3652 parsePortCfg(AnyP::PortCfgPointer *head, const char *optionName)
3653 {
3654     SBuf protoName;
3655     if (strcmp(optionName, "http_port") == 0 ||
3656             strcmp(optionName, "ascii_port") == 0)
3657         protoName = "HTTP";
3658     else if (strcmp(optionName, "https_port") == 0)
3659         protoName = "HTTPS";
3660     else if (strcmp(optionName, "ftp_port") == 0)
3661         protoName = "FTP";
3662     if (protoName.isEmpty()) {
3663         self_destruct();
3664         return;
3665     }
3666
3667     char *token = ConfigParser::NextToken();
3668
3669     if (!token) {
3670         self_destruct();
3671         return;
3672     }
3673
3674     AnyP::PortCfgPointer s = new AnyP::PortCfg();
3675     s->transport = parsePortProtocol(protoName); // default; protocol=... overwrites
3676     parsePortSpecification(s, token);
3677
3678     /* parse options ... */
3679     while ((token = ConfigParser::NextToken())) {
3680         parse_port_option(s, token);
3681     }
3682
3683 #if USE_OPENSSL
3684     // if clientca has been defined but not cafile, then use it to verify
3685     // but if cafile has been defined, only use that to verify
3686     if (s->clientca && !s->secure.caFiles.size())
3687         s->secure.caFiles.emplace_back(SBuf(s->clientca));
3688 #endif
3689
3690     if (s->transport.protocol == AnyP::PROTO_HTTPS) {
3691         s->secure.encryptTransport = true;
3692 #if USE_OPENSSL
3693         /* ssl-bump on https_port configuration requires either tproxy or intercept, and vice versa */
3694         const bool hijacked = s->flags.isIntercepted();
3695         if (s->flags.tunnelSslBumping && !hijacked) {
3696             debugs(3, DBG_CRITICAL, "FATAL: ssl-bump on https_port requires tproxy/intercept which is missing.");
3697             self_destruct();
3698         }
3699         if (hijacked && !s->flags.tunnelSslBumping) {
3700             debugs(3, DBG_CRITICAL, "FATAL: tproxy/intercept on https_port requires ssl-bump which is missing.");
3701             self_destruct();
3702         }
3703 #endif
3704         if (s->flags.proxySurrogate) {
3705             debugs(3,DBG_CRITICAL, "FATAL: https_port: require-proxy-header option is not supported on HTTPS ports.");
3706             self_destruct();
3707         }
3708     } else if (protoName.cmp("FTP") == 0) {
3709         /* ftp_port does not support ssl-bump */
3710         if (s->flags.tunnelSslBumping) {
3711             debugs(3, DBG_CRITICAL, "FATAL: ssl-bump is not supported for ftp_port.");
3712             self_destruct();
3713         }
3714         if (s->flags.proxySurrogate) {
3715             // Passive FTP data channel does not work without deep protocol inspection in the frontend.
3716             debugs(3,DBG_CRITICAL, "FATAL: require-proxy-header option is not supported on ftp_port.");
3717             self_destruct();
3718         }
3719     }
3720
3721     if (Ip::EnableIpv6&IPV6_SPECIAL_SPLITSTACK && s->s.isAnyAddr()) {
3722         // clone the port options from *s to *(s->next)
3723         s->next = s->clone();
3724         s->next->s.setIPv4();
3725         debugs(3, 3, AnyP::UriScheme(s->transport.protocol).c_str() << "_port: clone wildcard address for split-stack: " << s->s << " and " << s->next->s);
3726     }
3727
3728     while (*head != NULL)
3729         head = &((*head)->next);
3730
3731     *head = s;
3732 }
3733
3734 static void
3735 dump_generic_port(StoreEntry * e, const char *n, const AnyP::PortCfgPointer &s)
3736 {
3737     char buf[MAX_IPSTRLEN];
3738
3739     storeAppendPrintf(e, "%s %s",
3740                       n,
3741                       s->s.toUrl(buf,MAX_IPSTRLEN));
3742
3743     // MODES and specific sub-options.
3744     if (s->flags.natIntercept)
3745         storeAppendPrintf(e, " intercept");
3746
3747     else if (s->flags.tproxyIntercept)
3748         storeAppendPrintf(e, " tproxy");
3749
3750     else if (s->flags.proxySurrogate)
3751         storeAppendPrintf(e, " require-proxy-header");
3752
3753     else if (s->flags.accelSurrogate) {
3754         storeAppendPrintf(e, " accel");
3755
3756         if (s->vhost)
3757             storeAppendPrintf(e, " vhost");
3758
3759         if (s->vport < 0)
3760             storeAppendPrintf(e, " vport");
3761         else if (s->vport > 0)
3762             storeAppendPrintf(e, " vport=%d", s->vport);
3763
3764         if (s->defaultsite)
3765             storeAppendPrintf(e, " defaultsite=%s", s->defaultsite);
3766
3767         // TODO: compare against prefix of 'n' instead of assuming http_port
3768         if (s->transport.protocol != AnyP::PROTO_HTTP)
3769             storeAppendPrintf(e, " protocol=%s", AnyP::UriScheme(s->transport.protocol).c_str());
3770
3771         if (s->allow_direct)
3772             storeAppendPrintf(e, " allow-direct");
3773
3774         if (s->ignore_cc)
3775             storeAppendPrintf(e, " ignore-cc");
3776
3777     }
3778
3779     // Generic independent options
3780
3781     if (s->name)
3782         storeAppendPrintf(e, " name=%s", s->name);
3783
3784 #if USE_HTTP_VIOLATIONS
3785     if (!s->flags.accelSurrogate && s->ignore_cc)
3786         storeAppendPrintf(e, " ignore-cc");
3787 #endif
3788
3789     if (s->connection_auth_disabled)
3790         storeAppendPrintf(e, " connection-auth=off");
3791     else
3792         storeAppendPrintf(e, " connection-auth=on");
3793
3794     if (s->disable_pmtu_discovery != DISABLE_PMTU_OFF) {
3795         const char *pmtu;
3796
3797         if (s->disable_pmtu_discovery == DISABLE_PMTU_ALWAYS)
3798             pmtu = "always";
3799         else
3800             pmtu = "transparent";
3801
3802         storeAppendPrintf(e, " disable-pmtu-discovery=%s", pmtu);
3803     }
3804
3805     if (s->s.isAnyAddr() && !s->s.isIPv6())
3806         storeAppendPrintf(e, " ipv4");
3807
3808     if (s->tcp_keepalive.enabled) {
3809         if (s->tcp_keepalive.idle || s->tcp_keepalive.interval || s->tcp_keepalive.timeout) {
3810             storeAppendPrintf(e, " tcpkeepalive=%d,%d,%d", s->tcp_keepalive.idle, s->tcp_keepalive.interval, s->tcp_keepalive.timeout);
3811         } else {
3812             storeAppendPrintf(e, " tcpkeepalive");
3813         }
3814     }
3815
3816 #if USE_OPENSSL
3817     if (s->flags.tunnelSslBumping)
3818         storeAppendPrintf(e, " ssl-bump");
3819 #endif
3820
3821     s->secure.dumpCfg(e, "tls-");
3822
3823 #if USE_OPENSSL
3824     if (s->sslContextSessionId)
3825         storeAppendPrintf(e, " sslcontext=%s", s->sslContextSessionId);
3826
3827     if (s->generateHostCertificates)
3828         storeAppendPrintf(e, " generate-host-certificates");
3829
3830     if (s->dynamicCertMemCacheSize != std::numeric_limits<size_t>::max())
3831         storeAppendPrintf(e, "dynamic_cert_mem_cache_size=%lu%s\n", (unsigned long)s->dynamicCertMemCacheSize, B_BYTES_STR);
3832 #endif
3833 }
3834
3835 static void
3836 dump_PortCfg(StoreEntry * e, const char *n, const AnyP::PortCfgPointer &s)
3837 {
3838     for (AnyP::PortCfgPointer p = s; p != NULL; p = p->next) {
3839         dump_generic_port(e, n, p);
3840         storeAppendPrintf(e, "\n");
3841     }
3842 }
3843
3844 void
3845 configFreeMemory(void)
3846 {
3847     free_all();
3848 #if USE_OPENSSL
3849     SSL_CTX_free(Config.ssl_client.sslContext);
3850     Ssl::unloadSquidUntrusted();
3851 #endif
3852 }
3853
3854 void
3855 requirePathnameExists(const char *name, const char *path)
3856 {
3857
3858     struct stat sb;
3859     char pathbuf[BUFSIZ];
3860     assert(path != NULL);
3861
3862     if (Config.chroot_dir && (geteuid() == 0)) {
3863         snprintf(pathbuf, BUFSIZ, "%s/%s", Config.chroot_dir, path);
3864         path = pathbuf;
3865     }
3866
3867     if (stat(path, &sb) < 0) {
3868         int xerrno = errno;
3869         debugs(0, DBG_CRITICAL, (opt_parse_cfg_only?"FATAL: ":"ERROR: ") << name << " " << path << ": " << xstrerr(xerrno));
3870         // keep going to find more issues if we are only checking the config file with "-k parse"
3871         if (opt_parse_cfg_only)
3872             return;
3873         // this is fatal if it is found during startup or reconfigure
3874         if (opt_send_signal == -1 || opt_send_signal == SIGHUP)
3875             fatalf("%s %s: %s", name, path, xstrerr(xerrno));
3876     }
3877 }
3878
3879 #include "AccessLogEntry.h"
3880
3881 /**
3882  * We support several access_log configuration styles:
3883  *
3884  * #1: Deprecated ancient style without an explicit logging module:
3885  * access_log /var/log/access.log
3886  *
3887  * #2: The "none" logging module (i.e., no logging [of matching transactions]):
3888  * access_log none [acl ...]
3889  *
3890  * #3: Configurable logging module without named options:
3891  * Logformat or the first ACL name, whichever comes first, may not contain '='.
3892  * If no explicit logformat name is given, the first ACL name, if any,
3893  * should not be an existing logformat name or it will be treated as such.
3894  * access_log module:place [logformat_name] [acl ...]
3895  *
3896  * #4: Configurable logging module with name=value options such as logformat=x:
3897  * The first ACL name may not contain '='.
3898  * access_log module:place [option ...] [acl ...]
3899  *
3900  */
3901 static void
3902 parse_access_log(CustomLog ** logs)
3903 {
3904     CustomLog *cl = (CustomLog *)xcalloc(1, sizeof(*cl));
3905
3906     // default buffer size and fatal settings
3907     cl->bufferSize = 8*MAX_URL;
3908     cl->fatal = true;
3909
3910     /* determine configuration style */
3911
3912     const char *filename = ConfigParser::NextToken();
3913     if (!filename) {
3914         self_destruct();
3915         return;
3916     }
3917
3918     if (strcmp(filename, "none") == 0) {
3919         cl->type = Log::Format::CLF_NONE;
3920         aclParseAclList(LegacyParser, &cl->aclList, filename);
3921         while (*logs)
3922             logs = &(*logs)->next;
3923         *logs = cl;
3924         return;
3925     }
3926
3927     cl->filename = xstrdup(filename);
3928     cl->type = Log::Format::CLF_UNKNOWN;
3929     cl->rotateCount = -1; // default: use global logfile_rotate setting.
3930
3931     const char *token = ConfigParser::PeekAtToken();
3932     if (!token) { // style #1
3933         // no options to deal with
3934     } else if (!strchr(token, '=')) { // style #3
3935         // if logformat name is recognized,
3936         // pop the previewed token; Else it must be an ACL name
3937         if (setLogformat(cl, token, false))
3938             (void)ConfigParser::NextToken();
3939     } else { // style #4
3940         do {
3941             if (strncasecmp(token, "on-error=", 9) == 0) {
3942                 if (strncasecmp(token+9, "die", 3) == 0) {
3943                     cl->fatal = true;
3944                 } else if (strncasecmp(token+9, "drop", 4) == 0) {
3945                     cl->fatal = false;
3946                 } else {
3947                     debugs(3, DBG_CRITICAL, "Unknown value for on-error '" <<
3948                            token << "' expected 'drop' or 'die'");
3949                     self_destruct();
3950                 }
3951             } else if (strncasecmp(token, "buffer-size=", 12) == 0) {
3952                 parseBytesOptionValue(&cl->bufferSize, B_BYTES_STR, token+12);
3953             } else if (strncasecmp(token, "rotate=", 7) == 0) {
3954                 cl->rotateCount = xatoi(token + 7);
3955             } else if (strncasecmp(token, "logformat=", 10) == 0) {
3956                 setLogformat(cl, token+10, true);
3957             } else if (!strchr(token, '=')) {
3958                 // Do not pop the token; it must be an ACL name
3959                 break; // done with name=value options, now to ACLs
3960             } else {
3961                 debugs(3, DBG_CRITICAL, "Unknown access_log option " << token);
3962                 self_destruct();
3963             }
3964             // Pop the token, it was a valid "name=value" option
3965             (void)ConfigParser::NextToken();
3966             // Get next with preview ConfigParser::NextToken call.
3967         } while ((token = ConfigParser::PeekAtToken()) != NULL);
3968     }
3969
3970     // set format if it has not been specified explicitly
3971     if (cl->type == Log::Format::CLF_UNKNOWN)
3972         setLogformat(cl, "squid", true);
3973
3974     aclParseAclList(LegacyParser, &cl->aclList, cl->filename);
3975
3976     while (*logs)
3977         logs = &(*logs)->next;
3978
3979     *logs = cl;
3980 }
3981
3982 /// sets CustomLog::type and, if needed, CustomLog::lf
3983 /// returns false iff there is no named log format
3984 static bool
3985 setLogformat(CustomLog *cl, const char *logdef_name, const bool dieWhenMissing)
3986 {
3987     assert(cl);
3988     assert(logdef_name);
3989
3990     debugs(3, 9, "possible " << cl->filename << " logformat: " << logdef_name);
3991
3992     if (cl->type != Log::Format::CLF_UNKNOWN) {
3993         debugs(3, DBG_CRITICAL, "Second logformat name in one access_log: " <<
3994                logdef_name << " " << cl->type << " ? " << Log::Format::CLF_NONE);
3995         self_destruct();
3996         return false;
3997     }
3998
3999     /* look for the definition pointer corresponding to this name */
4000     Format::Format *lf = Log::TheConfig.logformats;
4001
4002     while (lf != NULL) {
4003         debugs(3, 9, "Comparing against '" << lf->name << "'");
4004
4005         if (strcmp(lf->name, logdef_name) == 0)
4006             break;
4007
4008         lf = lf->next;
4009     }
4010
4011     if (lf != NULL) {
4012         cl->type = Log::Format::CLF_CUSTOM;
4013         cl->logFormat = lf;
4014     } else if (strcmp(logdef_name, "auto") == 0) {
4015         debugs(0, DBG_CRITICAL, "WARNING: Log format 'auto' no longer exists. Using 'squid' instead.");
4016         cl->type = Log::Format::CLF_SQUID;
4017     } else if (strcmp(logdef_name, "squid") == 0) {
4018         cl->type = Log::Format::CLF_SQUID;
4019     } else if (strcmp(logdef_name, "common") == 0) {
4020         cl->type = Log::Format::CLF_COMMON;
4021     } else if (strcmp(logdef_name, "combined") == 0) {
4022         cl->type = Log::Format::CLF_COMBINED;
4023 #if ICAP_CLIENT
4024     } else if (strcmp(logdef_name, "icap_squid") == 0) {
4025         cl->type = Log::Format::CLF_ICAP_SQUID;
4026 #endif
4027     } else if (strcmp(logdef_name, "useragent") == 0) {
4028         cl->type = Log::Format::CLF_USERAGENT;
4029     } else if (strcmp(logdef_name, "referrer") == 0) {
4030         cl->type = Log::Format::CLF_REFERER;
4031     } else if (dieWhenMissing) {
4032         debugs(3, DBG_CRITICAL, "Log format '" << logdef_name << "' is not defined");
4033         self_destruct();
4034         return false;
4035     } else {
4036         return false;
4037     }
4038
4039     return true;
4040 }
4041
4042 static int
4043 check_null_access_log(CustomLog *customlog_definitions)
4044 {
4045     return customlog_definitions == NULL;
4046 }
4047
4048 static void
4049 dump_access_log(StoreEntry * entry, const char *name, CustomLog * logs)
4050 {
4051     CustomLog *log;
4052
4053     for (log = logs; log; log = log->next) {
4054         storeAppendPrintf(entry, "%s ", name);
4055
4056         switch (log->type) {
4057
4058         case Log::Format::CLF_CUSTOM:
4059             storeAppendPrintf(entry, "%s logformat=%s", log->filename, log->logFormat->name);
4060             break;
4061
4062         case Log::Format::CLF_NONE:
4063             storeAppendPrintf(entry, "logformat=none");
4064             break;
4065
4066         case Log::Format::CLF_SQUID:
4067             storeAppendPrintf(entry, "%s logformat=squid", log->filename);
4068             break;
4069
4070         case Log::Format::CLF_COMBINED:
4071             storeAppendPrintf(entry, "%s logformat=combined", log->filename);
4072             break;
4073
4074         case Log::Format::CLF_COMMON:
4075             storeAppendPrintf(entry, "%s logformat=common", log->filename);
4076             break;
4077
4078 #if ICAP_CLIENT
4079         case Log::Format::CLF_ICAP_SQUID:
4080             storeAppendPrintf(entry, "%s logformat=icap_squid", log->filename);
4081             break;
4082 #endif
4083         case Log::Format::CLF_USERAGENT:
4084             storeAppendPrintf(entry, "%s logformat=useragent", log->filename);
4085             break;
4086
4087         case Log::Format::CLF_REFERER:
4088             storeAppendPrintf(entry, "%s logformat=referrer", log->filename);
4089             break;
4090
4091         case Log::Format::CLF_UNKNOWN:
4092             break;
4093         }
4094
4095         // default is on-error=die
4096         if (!log->fatal)
4097             storeAppendPrintf(entry, " on-error=drop");
4098
4099         // default: 64KB
4100         if (log->bufferSize != 64*1024)
4101             storeAppendPrintf(entry, " buffer-size=%" PRIuSIZE, log->bufferSize);
4102
4103         if (log->rotateCount >= 0)
4104             storeAppendPrintf(entry, " rotate=%d", log->rotateCount);
4105
4106         if (log->aclList)
4107             dump_acl_list(entry, log->aclList);
4108
4109         storeAppendPrintf(entry, "\n");
4110     }
4111 }
4112
4113 static void
4114 free_access_log(CustomLog ** definitions)
4115 {
4116     while (*definitions) {
4117         CustomLog *log = *definitions;
4118         *definitions = log->next;
4119
4120         log->logFormat = NULL;
4121         log->type = Log::Format::CLF_UNKNOWN;
4122
4123         if (log->aclList)
4124             aclDestroyAclList(&log->aclList);
4125
4126         safe_free(log->filename);
4127
4128         xfree(log);
4129     }
4130 }
4131
4132 /// parses list of integers form name=N1,N2,N3,...
4133 static bool
4134 parseNamedIntList(const char *data, const String &name, std::vector<int> &list)
4135 {
4136     if (data && (strncmp(data, name.rawBuf(), name.size()) == 0)) {
4137         data += name.size();
4138         if (*data == '=') {
4139             while (true) {
4140                 ++data;
4141                 int value = 0;
4142                 if (!StringToInt(data, value, &data, 10))
4143                     break;
4144                 list.push_back(value);
4145                 if (*data == '\0' || *data != ',')
4146                     break;
4147             }
4148         }
4149     }
4150     return data && *data == '\0';
4151 }
4152
4153 static void
4154 parse_CpuAffinityMap(CpuAffinityMap **const cpuAffinityMap)
4155 {
4156 #if !HAVE_CPU_AFFINITY
4157     debugs(3, DBG_CRITICAL, "FATAL: Squid built with no CPU affinity " <<
4158            "support, do not set 'cpu_affinity_map'");
4159     self_destruct();
4160 #endif /* HAVE_CPU_AFFINITY */
4161
4162     if (!*cpuAffinityMap)
4163         *cpuAffinityMap = new CpuAffinityMap;
4164
4165     const char *const pToken = ConfigParser::NextToken();
4166     const char *const cToken = ConfigParser::NextToken();
4167     std::vector<int> processes, cores;
4168     if (!parseNamedIntList(pToken, "process_numbers", processes)) {
4169         debugs(3, DBG_CRITICAL, "FATAL: bad 'process_numbers' parameter " <<
4170                "in 'cpu_affinity_map'");
4171         self_destruct();
4172     } else if (!parseNamedIntList(cToken, "cores", cores)) {
4173         debugs(3, DBG_CRITICAL, "FATAL: bad 'cores' parameter in " <<
4174                "'cpu_affinity_map'");
4175         self_destruct();
4176     } else if (!(*cpuAffinityMap)->add(processes, cores)) {
4177         debugs(3, DBG_CRITICAL, "FATAL: bad 'cpu_affinity_map'; " <<
4178                "process_numbers and cores lists differ in length or " <<
4179                "contain numbers <= 0");
4180         self_destruct();
4181     }
4182 }
4183
4184 static void
4185 dump_CpuAffinityMap(StoreEntry *const entry, const char *const name, const CpuAffinityMap *const cpuAffinityMap)
4186 {
4187     if (cpuAffinityMap) {
4188         storeAppendPrintf(entry, "%s process_numbers=", name);
4189         for (size_t i = 0; i < cpuAffinityMap->processes().size(); ++i) {
4190             storeAppendPrintf(entry, "%s%i", (i ? "," : ""),
4191                               cpuAffinityMap->processes()[i]);
4192         }
4193         storeAppendPrintf(entry, " cores=");
4194         for (size_t i = 0; i < cpuAffinityMap->cores().size(); ++i) {
4195             storeAppendPrintf(entry, "%s%i", (i ? "," : ""),
4196                               cpuAffinityMap->cores()[i]);
4197         }
4198         storeAppendPrintf(entry, "\n");
4199     }
4200 }
4201
4202 static void
4203 free_CpuAffinityMap(CpuAffinityMap **const cpuAffinityMap)
4204 {
4205     delete *cpuAffinityMap;
4206     *cpuAffinityMap = NULL;
4207 }
4208
4209 #if USE_ADAPTATION
4210
4211 static void
4212 parse_adaptation_service_set_type()
4213 {
4214     Adaptation::Config::ParseServiceSet();
4215 }
4216
4217 static void
4218 parse_adaptation_service_chain_type()
4219 {
4220     Adaptation::Config::ParseServiceChain();
4221 }
4222
4223 static void
4224 parse_adaptation_access_type()
4225 {
4226     Adaptation::Config::ParseAccess(LegacyParser);
4227 }
4228 #endif /* USE_ADAPTATION */
4229
4230 #if ICAP_CLIENT
4231
4232 static void
4233 parse_icap_service_type(Adaptation::Icap::Config * cfg)
4234 {
4235     cfg->parseService();
4236 }
4237
4238 static void
4239 free_icap_service_type(Adaptation::Icap::Config * cfg)
4240 {
4241     cfg->freeService();
4242 }
4243
4244 static void
4245 dump_icap_service_type(StoreEntry * entry, const char *name, const Adaptation::Icap::Config &cfg)
4246 {
4247     cfg.dumpService(entry, name);
4248 }
4249
4250 static void
4251 parse_icap_class_type()
4252 {
4253     debugs(93, DBG_CRITICAL, "WARNING: 'icap_class' is depricated. " <<
4254            "Use 'adaptation_service_set' instead");
4255     Adaptation::Config::ParseServiceSet();
4256 }
4257
4258 static void
4259 parse_icap_access_type()
4260 {
4261     debugs(93, DBG_CRITICAL, "WARNING: 'icap_access' is depricated. " <<
4262            "Use 'adaptation_access' instead");
4263     Adaptation::Config::ParseAccess(LegacyParser);
4264 }
4265
4266 #endif
4267
4268 #if USE_ECAP
4269
4270 static void
4271 parse_ecap_service_type(Adaptation::Ecap::Config * cfg)
4272 {
4273     cfg->parseService();
4274 }
4275
4276 static void
4277 free_ecap_service_type(Adaptation::Ecap::Config * cfg)
4278 {
4279     cfg->freeService();
4280 }
4281
4282 static void
4283 dump_ecap_service_type(StoreEntry * entry, const char *name, const Adaptation::Ecap::Config &cfg)
4284 {
4285     cfg.dumpService(entry, name);
4286 }
4287
4288 #endif /* USE_ECAP */
4289
4290 #if ICAP_CLIENT
4291 static void parse_icap_service_failure_limit(Adaptation::Icap::Config *cfg)
4292 {
4293     char *token;
4294     time_t d;
4295     time_t m;
4296     cfg->service_failure_limit = GetInteger();
4297
4298     if ((token = ConfigParser::NextToken()) == NULL)
4299         return;
4300
4301     if (strcmp(token,"in") != 0) {
4302         debugs(3, DBG_CRITICAL, "expecting 'in' on'"  << config_input_line << "'");
4303         self_destruct();
4304     }
4305
4306     if ((token = ConfigParser::NextToken()) == NULL) {
4307         self_destruct();
4308     }
4309
4310     d = static_cast<time_t> (xatoi(token));
4311
4312     m = static_cast<time_t> (1);
4313
4314     if (0 == d)
4315         (void) 0;
4316     else if ((token = ConfigParser::NextToken()) == NULL) {
4317         debugs(3, DBG_CRITICAL, "No time-units on '" << config_input_line << "'");
4318         self_destruct();
4319     } else if ((m = parseTimeUnits(token, false)) == 0)
4320         self_destruct();
4321
4322     cfg->oldest_service_failure = (m * d);
4323 }
4324
4325 static void dump_icap_service_failure_limit(StoreEntry *entry, const char *name, const Adaptation::Icap::Config &cfg)
4326 {
4327     storeAppendPrintf(entry, "%s %d", name, cfg.service_failure_limit);
4328     if (cfg.oldest_service_failure > 0) {
4329         storeAppendPrintf(entry, " in %d seconds", (int)cfg.oldest_service_failure);
4330     }
4331     storeAppendPrintf(entry, "\n");
4332 }
4333
4334 static void free_icap_service_failure_limit(Adaptation::Icap::Config *cfg)
4335 {
4336     cfg->oldest_service_failure = 0;
4337     cfg->service_failure_limit = 0;
4338 }
4339 #endif
4340
4341 #if USE_OPENSSL
4342 static void parse_sslproxy_cert_adapt(sslproxy_cert_adapt **cert_adapt)
4343 {
4344     char *al;
4345     sslproxy_cert_adapt *ca = (sslproxy_cert_adapt *) xcalloc(1, sizeof(sslproxy_cert_adapt));
4346     if ((al = ConfigParser::NextToken()) == NULL) {
4347         self_destruct();
4348         return;
4349     }
4350
4351     const char *param;
4352     if ( char *s = strchr(al, '{')) {
4353         *s = '\0'; // terminate the al string
4354         ++s;
4355         param = s;
4356         s = strchr(s, '}');
4357         if (!s) {
4358             self_destruct();
4359             return;
4360         }
4361         *s = '\0';
4362     } else
4363         param = NULL;
4364
4365     if (strcmp(al, Ssl::CertAdaptAlgorithmStr[Ssl::algSetValidAfter]) == 0) {
4366         ca->alg = Ssl::algSetValidAfter;
4367         ca->param = xstrdup("on");
4368     } else if (strcmp(al, Ssl::CertAdaptAlgorithmStr[Ssl::algSetValidBefore]) == 0) {
4369         ca->alg = Ssl::algSetValidBefore;
4370         ca->param = xstrdup("on");
4371     } else if (strcmp(al, Ssl::CertAdaptAlgorithmStr[Ssl::algSetCommonName]) == 0) {
4372         ca->alg = Ssl::algSetCommonName;
4373         if (param) {
4374             if (strlen(param) > 64) {
4375                 debugs(3, DBG_CRITICAL, "FATAL: sslproxy_cert_adapt: setCommonName{" <<param << "} : using common name longer than 64 bytes is not supported");
4376                 self_destruct();
4377                 return;
4378             }
4379             ca->param = xstrdup(param);
4380         }
4381     } else {
4382         debugs(3, DBG_CRITICAL, "FATAL: sslproxy_cert_adapt: unknown cert adaptation algorithm: " << al);
4383         self_destruct();
4384         return;
4385     }
4386
4387     aclParseAclList(LegacyParser, &ca->aclList, al);
4388
4389     while (*cert_adapt)
4390         cert_adapt = &(*cert_adapt)->next;
4391
4392     *cert_adapt = ca;
4393 }
4394
4395 static void dump_sslproxy_cert_adapt(StoreEntry *entry, const char *name, sslproxy_cert_adapt *cert_adapt)
4396 {
4397     for (sslproxy_cert_adapt *ca = cert_adapt; ca != NULL; ca = ca->next) {
4398         storeAppendPrintf(entry, "%s ", name);
4399         storeAppendPrintf(entry, "%s{%s} ", Ssl::sslCertAdaptAlgoritm(ca->alg), ca->param);
4400         if (ca->aclList)
4401             dump_acl_list(entry, ca->aclList);
4402         storeAppendPrintf(entry, "\n");
4403     }
4404 }
4405
4406 static void free_sslproxy_cert_adapt(sslproxy_cert_adapt **cert_adapt)
4407 {
4408     while (*cert_adapt) {
4409         sslproxy_cert_adapt *ca = *cert_adapt;
4410         *cert_adapt = ca->next;
4411         safe_free(ca->param);
4412
4413         if (ca->aclList)
4414             aclDestroyAclList(&ca->aclList);
4415
4416         safe_free(ca);
4417     }
4418 }
4419
4420 static void parse_sslproxy_cert_sign(sslproxy_cert_sign **cert_sign)
4421 {
4422     char *al;
4423     sslproxy_cert_sign *cs = (sslproxy_cert_sign *) xcalloc(1, sizeof(sslproxy_cert_sign));
4424     if ((al = ConfigParser::NextToken()) == NULL) {
4425         self_destruct();
4426         return;
4427     }
4428
4429     if (strcmp(al, Ssl::CertSignAlgorithmStr[Ssl::algSignTrusted]) == 0)
4430         cs->alg = Ssl::algSignTrusted;
4431     else if (strcmp(al, Ssl::CertSignAlgorithmStr[Ssl::algSignUntrusted]) == 0)
4432         cs->alg = Ssl::algSignUntrusted;
4433     else if (strcmp(al, Ssl::CertSignAlgorithmStr[Ssl::algSignSelf]) == 0)
4434         cs->alg = Ssl::algSignSelf;
4435     else {
4436         debugs(3, DBG_CRITICAL, "FATAL: sslproxy_cert_sign: unknown cert signing algorithm: " << al);
4437         self_destruct();
4438         return;
4439     }
4440
4441     aclParseAclList(LegacyParser, &cs->aclList, al);
4442
4443     while (*cert_sign)
4444         cert_sign = &(*cert_sign)->next;
4445
4446     *cert_sign = cs;
4447 }
4448
4449 static void dump_sslproxy_cert_sign(StoreEntry *entry, const char *name, sslproxy_cert_sign *cert_sign)
4450 {
4451     sslproxy_cert_sign *cs;
4452     for (cs = cert_sign; cs != NULL; cs = cs->next) {
4453         storeAppendPrintf(entry, "%s ", name);
4454         storeAppendPrintf(entry, "%s ", Ssl::certSignAlgorithm(cs->alg));
4455         if (cs->aclList)
4456             dump_acl_list(entry, cs->aclList);
4457         storeAppendPrintf(entry, "\n");
4458     }
4459 }
4460
4461 static void free_sslproxy_cert_sign(sslproxy_cert_sign **cert_sign)
4462 {
4463     while (*cert_sign) {
4464         sslproxy_cert_sign *cs = *cert_sign;
4465         *cert_sign = cs->next;
4466
4467         if (cs->aclList)
4468             aclDestroyAclList(&cs->aclList);
4469
4470         safe_free(cs);
4471     }
4472 }
4473
4474 class sslBumpCfgRr: public ::RegisteredRunner
4475 {
4476 public:
4477     static Ssl::BumpMode lastDeprecatedRule;
4478     /* RegisteredRunner API */
4479     virtual void finalizeConfig();
4480 };
4481
4482 Ssl::BumpMode sslBumpCfgRr::lastDeprecatedRule = Ssl::bumpEnd;
4483
4484 RunnerRegistrationEntry(sslBumpCfgRr);
4485
4486 void
4487 sslBumpCfgRr::finalizeConfig()
4488 {
4489     if (lastDeprecatedRule != Ssl::bumpEnd) {
4490         assert( lastDeprecatedRule == Ssl::bumpClientFirst || lastDeprecatedRule == Ssl::bumpNone);
4491         static char buf[1024];
4492         if (lastDeprecatedRule == Ssl::bumpClientFirst) {
4493             strcpy(buf, "ssl_bump deny all");
4494             debugs(3, DBG_CRITICAL, "WARNING: auto-converting deprecated implicit "
4495                    "\"ssl_bump deny all\" to \"ssl_bump none all\". New ssl_bump configurations "
4496                    "must not use implicit rules. Update your ssl_bump rules.");
4497         } else {
4498             strcpy(buf, "ssl_bump allow all");
4499             debugs(3, DBG_CRITICAL, "SECURITY NOTICE: auto-converting deprecated implicit "
4500                    "\"ssl_bump allow all\" to \"ssl_bump client-first all\" which is usually "
4501                    "inferior to the newer server-first bumping mode. New ssl_bump"
4502                    " configurations must not use implicit rules. Update your ssl_bump rules.");
4503         }
4504         parse_line(buf);
4505     }
4506 }
4507
4508 static void parse_sslproxy_ssl_bump(acl_access **ssl_bump)
4509 {
4510     typedef const char *BumpCfgStyle;
4511     BumpCfgStyle bcsNone = NULL;
4512     BumpCfgStyle bcsNew = "new client/server-first/none";
4513     BumpCfgStyle bcsOld = "deprecated allow/deny";
4514     static BumpCfgStyle bumpCfgStyleLast = bcsNone;
4515     BumpCfgStyle bumpCfgStyleNow = bcsNone;
4516     char *bm;
4517     if ((bm = ConfigParser::NextToken()) == NULL) {
4518         self_destruct();
4519         return;
4520     }
4521
4522     // if this is the first rule proccessed
4523     if (*ssl_bump == NULL) {
4524         bumpCfgStyleLast = bcsNone;
4525         sslBumpCfgRr::lastDeprecatedRule = Ssl::bumpEnd;
4526     }
4527
4528     allow_t action = allow_t(ACCESS_ALLOWED);
4529
4530     if (strcmp(bm, Ssl::BumpModeStr[Ssl::bumpClientFirst]) == 0) {
4531         action.kind = Ssl::bumpClientFirst;
4532         bumpCfgStyleNow = bcsNew;
4533     } else if (strcmp(bm, Ssl::BumpModeStr[Ssl::bumpServerFirst]) == 0) {
4534         action.kind = Ssl::bumpServerFirst;
4535         bumpCfgStyleNow = bcsNew;
4536     } else if (strcmp(bm, Ssl::BumpModeStr[Ssl::bumpPeek]) == 0) {
4537         action.kind = Ssl::bumpPeek;
4538         bumpCfgStyleNow = bcsNew;
4539     } else if (strcmp(bm, Ssl::BumpModeStr[Ssl::bumpStare]) == 0) {
4540         action.kind = Ssl::bumpStare;
4541         bumpCfgStyleNow = bcsNew;
4542     } else if (strcmp(bm, Ssl::BumpModeStr[Ssl::bumpSplice]) == 0) {
4543         action.kind = Ssl::bumpSplice;
4544         bumpCfgStyleNow = bcsNew;
4545     } else if (strcmp(bm, Ssl::BumpModeStr[Ssl::bumpBump]) == 0) {
4546         action.kind = Ssl::bumpBump;
4547         bumpCfgStyleNow = bcsNew;
4548     } else if (strcmp(bm, Ssl::BumpModeStr[Ssl::bumpTerminate]) == 0) {
4549         action.kind = Ssl::bumpTerminate;
4550         bumpCfgStyleNow = bcsNew;
4551     } else if (strcmp(bm, Ssl::BumpModeStr[Ssl::bumpNone]) == 0) {
4552         action.kind = Ssl::bumpNone;
4553         bumpCfgStyleNow = bcsNew;
4554     } else if (strcmp(bm, "allow") == 0) {
4555         debugs(3, DBG_CRITICAL, "SECURITY NOTICE: auto-converting deprecated "
4556                "\"ssl_bump allow <acl>\" to \"ssl_bump client-first <acl>\" which "
4557                "is usually inferior to the newer server-first "
4558                "bumping mode. Update your ssl_bump rules.");
4559         action.kind = Ssl::bumpClientFirst;
4560         bumpCfgStyleNow = bcsOld;
4561         sslBumpCfgRr::lastDeprecatedRule = Ssl::bumpClientFirst;
4562     } else if (strcmp(bm, "deny") == 0) {
4563         debugs(3, DBG_CRITICAL, "WARNING: auto-converting deprecated "
4564                "\"ssl_bump deny <acl>\" to \"ssl_bump none <acl>\". Update "
4565                "your ssl_bump rules.");
4566         action.kind = Ssl::bumpNone;
4567         bumpCfgStyleNow = bcsOld;
4568         sslBumpCfgRr::lastDeprecatedRule = Ssl::bumpNone;
4569     } else {
4570         debugs(3, DBG_CRITICAL, "FATAL: unknown ssl_bump mode: " << bm);
4571         self_destruct();
4572         return;
4573     }
4574
4575     if (bumpCfgStyleLast != bcsNone && bumpCfgStyleNow != bumpCfgStyleLast) {
4576         debugs(3, DBG_CRITICAL, "FATAL: do not mix " << bumpCfgStyleNow << " actions with " <<
4577                bumpCfgStyleLast << " actions. Update your ssl_bump rules.");
4578         self_destruct();
4579         return;
4580     }
4581
4582     bumpCfgStyleLast = bumpCfgStyleNow;
4583
4584     Acl::AndNode *rule = new Acl::AndNode;
4585     rule->context("(ssl_bump rule)", config_input_line);
4586     rule->lineParse();
4587     // empty rule OK
4588
4589     assert(ssl_bump);
4590     if (!*ssl_bump) {
4591         *ssl_bump = new Acl::Tree;
4592         (*ssl_bump)->context("(ssl_bump rules)", config_input_line);
4593     }
4594
4595     (*ssl_bump)->add(rule, action);
4596 }
4597
4598 static void dump_sslproxy_ssl_bump(StoreEntry *entry, const char *name, acl_access *ssl_bump)
4599 {
4600     if (ssl_bump)
4601         dump_SBufList(entry, ssl_bump->treeDump(name, Ssl::BumpModeStr));
4602 }
4603
4604 static void free_sslproxy_ssl_bump(acl_access **ssl_bump)
4605 {
4606     free_acl_access(ssl_bump);
4607 }
4608
4609 #endif
4610
4611 static void dump_HeaderWithAclList(StoreEntry * entry, const char *name, HeaderWithAclList *headers)
4612 {
4613     if (!headers)
4614         return;
4615
4616     for (HeaderWithAclList::iterator hwa = headers->begin(); hwa != headers->end(); ++hwa) {
4617         storeAppendPrintf(entry, "%s %s %s", name, hwa->fieldName.c_str(), hwa->fieldValue.c_str());
4618         if (hwa->aclList)
4619             dump_acl_list(entry, hwa->aclList);
4620         storeAppendPrintf(entry, "\n");
4621     }
4622 }
4623
4624 static void parse_HeaderWithAclList(HeaderWithAclList **headers)
4625 {
4626     char *fn;
4627     if (!*headers) {
4628         *headers = new HeaderWithAclList;
4629     }
4630     if ((fn = ConfigParser::NextToken()) == NULL) {
4631         self_destruct();
4632         return;
4633     }
4634     HeaderWithAcl hwa;
4635     hwa.fieldName = fn;
4636     hwa.fieldId = Http::HeaderLookupTable.lookup(hwa.fieldName).id;
4637     if (hwa.fieldId == Http::HdrType::BAD_HDR)
4638         hwa.fieldId = Http::HdrType::OTHER;
4639
4640     Format::Format *nlf =  new ::Format::Format("hdrWithAcl");
4641     ConfigParser::EnableMacros();
4642     String buf = ConfigParser::NextQuotedToken();
4643     ConfigParser::DisableMacros();
4644     hwa.fieldValue = buf.termedBuf();
4645     hwa.quoted = ConfigParser::LastTokenWasQuoted();
4646     if (hwa.quoted) {
4647         if (!nlf->parse(hwa.fieldValue.c_str())) {
4648             self_destruct();
4649             return;
4650         }
4651         hwa.valueFormat = nlf;
4652     } else
4653         delete nlf;
4654     aclParseAclList(LegacyParser, &hwa.aclList, (hwa.fieldName + ':' + hwa.fieldValue).c_str());
4655     (*headers)->push_back(hwa);
4656 }
4657
4658 static void free_HeaderWithAclList(HeaderWithAclList **header)
4659 {
4660     if (!(*header))
4661         return;
4662
4663     for (HeaderWithAclList::iterator hwa = (*header)->begin(); hwa != (*header)->end(); ++hwa) {
4664         if (hwa->aclList)
4665             aclDestroyAclList(&hwa->aclList);
4666
4667         if (hwa->valueFormat) {
4668             delete hwa->valueFormat;
4669             hwa->valueFormat = NULL;
4670         }
4671     }
4672     delete *header;
4673     *header = NULL;
4674 }
4675
4676 static void parse_note(Notes *notes)
4677 {
4678     assert(notes);
4679     notes->parse(LegacyParser);
4680 }
4681
4682 static void dump_note(StoreEntry *entry, const char *name, Notes &notes)
4683 {
4684     notes.dump(entry, name);
4685 }
4686
4687 static void free_note(Notes *notes)
4688 {
4689     notes->clean();
4690 }
4691
4692 static bool FtpEspvDeprecated = false;
4693 static void parse_ftp_epsv(acl_access **ftp_epsv)
4694 {
4695     allow_t ftpEpsvDeprecatedAction;
4696     bool ftpEpsvIsDeprecatedRule = false;
4697
4698     char *t = ConfigParser::PeekAtToken();
4699     if (!t) {
4700         self_destruct();
4701         return;
4702     }
4703
4704     if (!strcmp(t, "off")) {
4705         (void)ConfigParser::NextToken();
4706         ftpEpsvIsDeprecatedRule = true;
4707         ftpEpsvDeprecatedAction = allow_t(ACCESS_DENIED);
4708     } else if (!strcmp(t, "on")) {
4709         (void)ConfigParser::NextToken();
4710         ftpEpsvIsDeprecatedRule = true;
4711         ftpEpsvDeprecatedAction = allow_t(ACCESS_ALLOWED);
4712     }
4713
4714     // Check for mixing "ftp_epsv on|off" and "ftp_epsv allow|deny .." rules:
4715     //   1) if this line is "ftp_epsv allow|deny ..." and already exist rules of "ftp_epsv on|off"
4716     //   2) if this line is "ftp_epsv on|off" and already exist rules of "ftp_epsv allow|deny ..."
4717     // then abort
4718     if ((!ftpEpsvIsDeprecatedRule && FtpEspvDeprecated) ||
4719             (ftpEpsvIsDeprecatedRule && !FtpEspvDeprecated && *ftp_epsv != NULL)) {
4720         debugs(3, DBG_CRITICAL, "FATAL: do not mix \"ftp_epsv on|off\" cfg lines with \"ftp_epsv allow|deny ...\" cfg lines. Update your ftp_epsv rules.");
4721         self_destruct();
4722     }
4723
4724     if (ftpEpsvIsDeprecatedRule) {
4725         // overwrite previous ftp_epsv lines
4726         delete *ftp_epsv;
4727         if (ftpEpsvDeprecatedAction == allow_t(ACCESS_DENIED)) {
4728             Acl::AndNode *ftpEpsvRule = new Acl::AndNode;
4729             ftpEpsvRule->context("(ftp_epsv rule)", config_input_line);
4730             ACL *a = ACL::FindByName("all");
4731             if (!a) {
4732                 self_destruct();
4733                 return;
4734             }
4735             ftpEpsvRule->add(a);
4736             *ftp_epsv = new Acl::Tree;
4737             (*ftp_epsv)->context("(ftp_epsv rules)", config_input_line);
4738             (*ftp_epsv)->add(ftpEpsvRule, ftpEpsvDeprecatedAction);
4739         } else
4740             *ftp_epsv = NULL;
4741         FtpEspvDeprecated = true;
4742     } else {
4743         aclParseAccessLine(cfg_directive, LegacyParser, ftp_epsv);
4744     }
4745 }
4746
4747 static void dump_ftp_epsv(StoreEntry *entry, const char *name, acl_access *ftp_epsv)
4748 {
4749     if (ftp_epsv)
4750         dump_SBufList(entry, ftp_epsv->treeDump(name, NULL));
4751 }
4752
4753 static void free_ftp_epsv(acl_access **ftp_epsv)
4754 {
4755     free_acl_access(ftp_epsv);
4756     FtpEspvDeprecated = false;
4757 }
4758
4759 static void
4760 parse_UrlHelperTimeout(SquidConfig::UrlHelperTimeout *config)
4761 {
4762     time_msec_t tval;
4763     parseTimeLine(&tval, T_SECOND_STR, false, true);
4764     Config.Timeout.urlRewrite = static_cast<time_t>(tval/1000);
4765
4766     char *key, *value;
4767     while(ConfigParser::NextKvPair(key, value)) {
4768         if (strcasecmp(key, "on_timeout") == 0) {
4769             if (strcasecmp(value, "bypass") == 0)
4770                 config->action = toutActBypass;
4771             else if (strcasecmp(value, "fail") == 0)
4772                 config->action = toutActFail;
4773             else if (strcasecmp(value, "retry") == 0)
4774                 config->action = toutActRetry;
4775             else if (strcasecmp(value, "use_configured_response") == 0) {
4776                 config->action = toutActUseConfiguredResponse;
4777             } else {
4778                 debugs(3, DBG_CRITICAL, "FATAL: unsuported \"on_timeout\"  action:" << value);
4779                 self_destruct();
4780             }
4781         } else if (strcasecmp(key, "response") == 0) {
4782             config->response = xstrdup(value);
4783         } else {
4784             debugs(3, DBG_CRITICAL, "FATAL: unsuported option " << key);
4785             self_destruct();
4786         }
4787     }
4788
4789     if (config->action == toutActUseConfiguredResponse && !config->response) {
4790         debugs(3, DBG_CRITICAL, "FATAL: Expected 'response=' option after 'on_timeout=use_configured_response' option");
4791         self_destruct();
4792     }
4793
4794     if (config->action != toutActUseConfiguredResponse && config->response) {
4795         debugs(3, DBG_CRITICAL, "FATAL: 'response=' option is valid only when used with the  'on_timeout=use_configured_response' option");
4796         self_destruct();
4797     }
4798 }
4799
4800 static void
4801 dump_UrlHelperTimeout(StoreEntry *entry, const char *name, SquidConfig::UrlHelperTimeout &config)
4802 {
4803     const char  *onTimedOutActions[] = {"bypass", "fail", "retry", "use_configured_response"};
4804     assert(config.action >= 0 && config.action <= toutActUseConfiguredResponse);
4805
4806     dump_time_t(entry, name, Config.Timeout.urlRewrite);
4807     storeAppendPrintf(entry, " on_timeout=%s", onTimedOutActions[config.action]);
4808
4809     if (config.response)
4810         storeAppendPrintf(entry, " response=\"%s\"", config.response);
4811
4812     storeAppendPrintf(entry, "\n");
4813 }
4814
4815 static void
4816 free_UrlHelperTimeout(SquidConfig::UrlHelperTimeout *config)
4817 {
4818     Config.Timeout.urlRewrite = 0;
4819     config->action = 0;
4820     safe_free(config->response);
4821 }
4822
4823 static void
4824 parse_configuration_includes_quoted_values(bool *)
4825 {
4826     int val = 0;
4827     parse_onoff(&val);
4828
4829     // If quoted values is set to on then enable new strict mode parsing
4830     if (val) {
4831         ConfigParser::RecognizeQuotedValues = true;
4832         ConfigParser::StrictMode = true;
4833     } else {
4834         ConfigParser::RecognizeQuotedValues = false;
4835         ConfigParser::StrictMode = false;
4836     }
4837 }
4838
4839 static void
4840 dump_configuration_includes_quoted_values(StoreEntry *const entry, const char *const name, bool)
4841 {
4842     int val = ConfigParser::RecognizeQuotedValues ? 1 : 0;
4843     dump_onoff(entry, name, val);
4844 }
4845
4846 static void
4847 free_configuration_includes_quoted_values(bool *)
4848 {
4849     ConfigParser::RecognizeQuotedValues = false;
4850     ConfigParser::StrictMode = false;
4851 }
4852
4853 static void
4854 parse_on_unsupported_protocol(acl_access **access)
4855 {
4856     char *tm;
4857     if ((tm = ConfigParser::NextToken()) == NULL) {
4858         self_destruct();
4859         return;
4860     }
4861
4862     allow_t action = allow_t(ACCESS_ALLOWED);
4863     if (strcmp(tm, "tunnel") == 0)
4864         action.kind = 1;
4865     else if (strcmp(tm, "respond") == 0)
4866         action.kind = 2;
4867     else {
4868         debugs(3, DBG_CRITICAL, "FATAL: unknown on_unsupported_protocol mode: " << tm);
4869         self_destruct();
4870         return;
4871     }
4872
4873     Acl::AndNode *rule = new Acl::AndNode;
4874     rule->context("(on_unsupported_protocol rule)", config_input_line);
4875     rule->lineParse();
4876     // empty rule OK
4877
4878     assert(access);
4879     if (!*access) {
4880         *access = new Acl::Tree;
4881         (*access)->context("(on_unsupported_protocol rules)", config_input_line);
4882     }
4883
4884     (*access)->add(rule, action);
4885 }
4886
4887 static void
4888 dump_on_unsupported_protocol(StoreEntry *entry, const char *name, acl_access *access)
4889 {
4890     const char *on_error_tunnel_mode_str[] = {
4891         "none",
4892         "tunnel",
4893         "respond",
4894         NULL
4895     };
4896     if (access) {
4897         SBufList lines = access->treeDump(name, on_error_tunnel_mode_str);
4898         dump_SBufList(entry, lines);
4899     }
4900 }
4901
4902 static void
4903 free_on_unsupported_protocol(acl_access **access)
4904 {
4905     free_acl_access(access);
4906 }
4907