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[Server] Fix credentials generation. Used static variable as a workaround.

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This commit is contained in:
Michal Marchewka 2020-02-09 12:04:08 +01:00
parent 0206d1813c
commit bf7041b067
2 changed files with 7 additions and 3 deletions
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8
apps/openmw-mp/Script/Functions/Miscellaneous.cpp
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@ -17,9 +17,10 @@ const char *MiscellaneousFunctions::GenerateRandomString(unsigned int length) no
std::random_device randomDevice; std::random_device randomDevice;
std::mt19937 generator(randomDevice()); std::mt19937 generator(randomDevice());
std::uniform_int_distribution<> distribution(0, characters.size() - 1); std::uniform_int_distribution<std::mt19937::result_type> distribution(0, characters.size() - 1);
std::string randomString; /* WARNING: this function is no longer reentrant with a static variable */
static std::string randomString;
for (std::size_t i = 0; i < length; ++i) for (std::size_t i = 0; i < length; ++i)
{ {
@ -31,7 +32,8 @@ const char *MiscellaneousFunctions::GenerateRandomString(unsigned int length) no
const char *MiscellaneousFunctions::GetSHA256Hash(const char* inputString) noexcept const char *MiscellaneousFunctions::GetSHA256Hash(const char* inputString) noexcept
{ {
std::string hashString = picosha2::hash256_hex_string(std::string{inputString}); /* WARNING: this function is no longer reentrant with a static variable */
static std::string hashString = picosha2::hash256_hex_string(std::string{inputString});
return hashString.c_str(); return hashString.c_str();
} }

2
apps/openmw-mp/Script/Functions/Miscellaneous.hpp
View File

@ -28,6 +28,7 @@ public:
/** /**
* \brief Get the SHA256 hash corresponding to an input string. * \brief Get the SHA256 hash corresponding to an input string.
* \details function is not reentrant due to a static variable
* *
* \param inputString The input string. * \param inputString The input string.
* \return The SHA256 hash. * \return The SHA256 hash.
@ -36,6 +37,7 @@ public:
/** /**
* \brief Get the last player ID currently connected to the server. * \brief Get the last player ID currently connected to the server.
* \details function is not reentrant due to a static variable
* *
* Every player receives a unique numerical index known as their player ID upon joining the * Every player receives a unique numerical index known as their player ID upon joining the
* server. * server.