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randombit / botan / 5123321399

30 May 2023 04:06PM UTC coverage: 92.213% (+0.004%) from 92.209%
5123321399

Pull #3558

github

web-flow
Merge dd72f7389 into 057bcbc35
Pull Request #3558: Add braces around all if/else statements

75602 of 81986 relevant lines covered (92.21%)

11859779.3 hits per line

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94.29
/src/lib/utils/uuid/uuid.cpp
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/*
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* UUID type
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* (C) 2015,2018 Jack Lloyd
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*
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* Botan is released under the Simplified BSD License (see license.txt)
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*/
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#include <botan/uuid.h>
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#include <botan/hex.h>
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#include <botan/rng.h>
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#include <botan/internal/fmt.h>
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#include <sstream>
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namespace Botan {
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UUID::UUID(RandomNumberGenerator& rng) {
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   m_uuid.resize(16);
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   rng.randomize(m_uuid.data(), m_uuid.size());
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   // Mark as a random v4 UUID (RFC 4122 sec 4.4)
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   m_uuid[6] = 0x40 | (m_uuid[6] & 0x0F);
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   // Set reserved bits
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   m_uuid[8] = 0x80 | (m_uuid[8] & 0x3F);
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}
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UUID::UUID(const std::vector<uint8_t>& blob) {
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   if(blob.size() != 16) {
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      throw Invalid_Argument("Bad UUID blob " + hex_encode(blob));
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   }
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   m_uuid = blob;
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}
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UUID::UUID(std::string_view uuid_str) {
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   if(uuid_str.size() != 36 || uuid_str[8] != '-' || uuid_str[13] != '-' || uuid_str[18] != '-' ||
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      uuid_str[23] != '-') {
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      throw Invalid_Argument(fmt("Bad UUID '{}'", uuid_str));
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   }
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   std::string just_hex;
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   for(char c : uuid_str) {
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      if(c == '-') {
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         continue;
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      }
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      just_hex += c;
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   }
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   m_uuid = hex_decode(just_hex);
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   if(m_uuid.size() != 16) {
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      throw Invalid_Argument(fmt("Bad UUID '{}'", uuid_str));
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   }
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}
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std::string UUID::to_string() const {
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   if(is_valid() == false) {
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      throw Invalid_State("UUID object is empty cannot convert to string");
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   }
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   const std::string raw = hex_encode(m_uuid);
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   std::ostringstream formatted;
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   for(size_t i = 0; i != raw.size(); ++i) {
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      if(i == 8 || i == 12 || i == 16 || i == 20) {
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         formatted << "-";
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      }
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      formatted << raw[i];
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   }
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   return formatted.str();
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}
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}  // namespace Botan
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