src/acl/AtStepData.cc

   1 /*
   2  * Copyright (C) 1996-2023 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 static inline const char *
  20 StepName(const XactionStep xstep)
  21 {
  22     // keep in sync with XactionStep
  23     static const char *StepNames[static_cast<int>(XactionStep::enumEnd_)] = {
  24         "[unknown step]"
  25         ,"GeneratingCONNECT"
  26 #if USE_OPENSSL
  27         ,"SslBump1"
  28         ,"SslBump2"
  29         ,"SslBump3"
  30 #endif
  31     };
  32
  33     assert(XactionStep::enumBegin_ <= xstep && xstep < XactionStep::enumEnd_);
  34     return StepNames[static_cast<int>(xstep)];
  35 }
  36
  37 static XactionStep
  38 StepValue(const char *name)
  39 {
  40     assert(name);
  41
  42     for (const auto step: WholeEnum<XactionStep>()) {
  43         if (strcasecmp(StepName(step), name) == 0)
  44             return static_cast<XactionStep>(step);
  45     }
  46
  47     throw TextException(ToSBuf("unknown at_step step name: ", name), Here());
  48 }
  49
  50 ACLAtStepData::ACLAtStepData()
  51 {}
  52
  53 ACLAtStepData::~ACLAtStepData()
  54 {
  55 }
  56
  57 bool
  58 ACLAtStepData::match(XactionStep toFind)
  59 {
  60     const auto found = std::find(values.cbegin(), values.cend(), toFind);
  61     return (found != values.cend());
  62 }
  63
  64 SBufList
  65 ACLAtStepData::dump() const
  66 {
  67     SBufList sl;
  68     for (const auto value : values)
  69         sl.push_back(SBuf(StepName(value)));
  70     return sl;
  71 }
  72
  73 void
  74 ACLAtStepData::parse()
  75 {
  76     while (const auto name = ConfigParser::strtokFile()) {
  77         const auto step = StepValue(name);
  78         if (step == XactionStep::unknown)
  79             throw TextException(ToSBuf("prohibited at_step step name: ", name), Here());
  80         values.push_back(step);
  81     }
  82 }
  83
  84 bool
  85 ACLAtStepData::empty() const
  86 {
  87     return values.empty();
  88 }
  89