src/acl/AtStepData.cc

   1 /*
   2  * Copyright (C) 1996-2025 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 #include "squid.h"
  10 #include "acl/AtStepData.h"
  11 #include "acl/Checklist.h"
  12 #include "base/EnumIterator.h"
  13 #include "cache_cf.h"
  14 #include "ConfigParser.h"
  15 #include "debug/Stream.h"
  16 #include "sbuf/Stream.h"
  17 #include "wordlist.h"
  18
  19 #include <algorithm>
  20
  21 static inline const char *
  22 StepName(const XactionStep xstep)
  23 {
  24     // keep in sync with XactionStep
  25     static const char *StepNames[static_cast<int>(XactionStep::enumEnd_)] = {
  26         "[unknown step]"
  27         ,"GeneratingCONNECT"
  28 #if USE_OPENSSL
  29         ,"SslBump1"
  30         ,"SslBump2"
  31         ,"SslBump3"
  32 #endif
  33     };
  34
  35     assert(XactionStep::enumBegin_ <= xstep && xstep < XactionStep::enumEnd_);
  36     return StepNames[static_cast<int>(xstep)];
  37 }
  38
  39 static XactionStep
  40 StepValue(const char *name)
  41 {
  42     assert(name);
  43
  44     for (const auto step: WholeEnum<XactionStep>()) {
  45         if (strcasecmp(StepName(step), name) == 0)
  46             return static_cast<XactionStep>(step);
  47     }
  48
  49     throw TextException(ToSBuf("unknown at_step step name: ", name), Here());
  50 }
  51
  52 ACLAtStepData::ACLAtStepData()
  53 {}
  54
  55 ACLAtStepData::~ACLAtStepData()
  56 {
  57 }
  58
  59 bool
  60 ACLAtStepData::match(XactionStep toFind)
  61 {
  62     const auto found = std::find(values.cbegin(), values.cend(), toFind);
  63     return (found != values.cend());
  64 }
  65
  66 SBufList
  67 ACLAtStepData::dump() const
  68 {
  69     SBufList sl;
  70     for (const auto value : values)
  71         sl.push_back(SBuf(StepName(value)));
  72     return sl;
  73 }
  74
  75 void
  76 ACLAtStepData::parse()
  77 {
  78     while (const auto name = ConfigParser::strtokFile()) {
  79         const auto step = StepValue(name);
  80         if (step == XactionStep::unknown)
  81             throw TextException(ToSBuf("prohibited at_step step name: ", name), Here());
  82         values.push_back(step);
  83     }
  84 }
  85
  86 bool
  87 ACLAtStepData::empty() const
  88 {
  89     return values.empty();
  90 }
  91