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util: disallow setting conf in bitcoin.conf

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Help from `bitcoind -h` states that conf can only be used from the commandline.
However, if conf is set in a bitcoin.conf file, it is ignored but there is no error.

Show an error to user if conf is set in a .conf file and prompt them to use
`includeconf` if they wish to specify additional config files.

Adds `IsConfSupported` function to allow for easily adding conf options
to disallow or throw warnings for.
This commit is contained in:
josibake 2022-07-28 12:47:53 +02:00
parent 73b61717a9
commit 5e744f4238
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GPG key ID: 8ADCB558C4F33D65
1 changed files with 9 additions and 0 deletions
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9
src/util/system.cpp
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@ -935,6 +935,14 @@ static bool GetConfigOptions(std::istream& stream, const std::string& filepath,
return true;
}
bool IsConfSupported(KeyInfo& key, std::string& error) {
if (key.name == "conf") {
error = "conf cannot be set in the configuration file; use includeconf= if you want to include additional config files";
return false;
}
return true;
}
bool ArgsManager::ReadConfigStream(std::istream& stream, const std::string& filepath, std::string& error, bool ignore_invalid_keys)
{
LOCK(cs_args);
@ -945,6 +953,7 @@ bool ArgsManager::ReadConfigStream(std::istream& stream, const std::string& file
for (const std::pair<std::string, std::string>& option : options) {
KeyInfo key = InterpretKey(option.first);
std::optional<unsigned int> flags = GetArgFlags('-' + key.name);
if (!IsConfSupported(key, error)) return false;
if (flags) {
std::optional<util::SettingsValue> value = InterpretValue(key, &option.second, *flags, error);
if (!value) {