fuzz coverage

Coverage Report

Created: 2025-06-01 19:34

/Users/eugenesiegel/btc/bitcoin/src/init/common.cpp
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// Copyright (c) 2021-2022 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include <bitcoin-build-config.h> // IWYU pragma: keep
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#include <clientversion.h>
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#include <common/args.h>
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#include <logging.h>
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#include <node/interface_ui.h>
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#include <tinyformat.h>
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#include <util/fs.h>
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#include <util/fs_helpers.h>
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#include <util/result.h>
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#include <util/string.h>
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#include <util/time.h>
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#include <util/translation.h>
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#include <algorithm>
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#include <filesystem>
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#include <string>
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#include <vector>
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using util::SplitString;
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namespace init {
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void AddLoggingArgs(ArgsManager& argsman)
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{
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    argsman.AddArg("-debuglogfile=<file>", strprintf("Specify location of debug log file (default: %s). Relative paths will be prefixed by a net-specific datadir location. Pass -nodebuglogfile to disable writing the log to a file.", DEFAULT_DEBUGLOGFILE), ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
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#define strprintf tfm::format
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    argsman.AddArg("-debug=<category>", "Output debug and trace logging (default: -nodebug, supplying <category> is optional). "
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        "If <category> is not supplied or if <category> is 1 or \"all\", output all debug logging. If <category> is 0 or \"none\", any other categories are ignored. Other valid values for <category> are: " + LogInstance().LogCategoriesString() + ". This option can be specified multiple times to output multiple categories.",
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        ArgsManager::ALLOW_ANY, OptionsCategory::DEBUG_TEST);
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    argsman.AddArg("-debugexclude=<category>", "Exclude debug and trace logging for a category. Can be used in conjunction with -debug=1 to output debug and trace logging for all categories except the specified category. This option can be specified multiple times to exclude multiple categories. This takes priority over \"-debug\"", ArgsManager::ALLOW_ANY, OptionsCategory::DEBUG_TEST);
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    argsman.AddArg("-logips", strprintf("Include IP addresses in debug output (default: %u)", DEFAULT_LOGIPS), ArgsManager::ALLOW_ANY, OptionsCategory::DEBUG_TEST);
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#define strprintf tfm::format
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    argsman.AddArg("-loglevel=<level>|<category>:<level>", strprintf("Set the global or per-category severity level for logging categories enabled with the -debug configuration option or the logging RPC. Possible values are %s (default=%s). The following levels are always logged: error, warning, info. If <category>:<level> is supplied, the setting will override the global one and may be specified multiple times to set multiple category-specific levels. <category> can be: %s.", LogInstance().LogLevelsString(), LogInstance().LogLevelToStr(BCLog::DEFAULT_LOG_LEVEL), LogInstance().LogCategoriesString()), ArgsManager::DISALLOW_NEGATION | ArgsManager::DISALLOW_ELISION | ArgsManager::DEBUG_ONLY, OptionsCategory::DEBUG_TEST);
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#define strprintf tfm::format
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    argsman.AddArg("-logtimestamps", strprintf("Prepend debug output with timestamp (default: %u)", DEFAULT_LOGTIMESTAMPS), ArgsManager::ALLOW_ANY, OptionsCategory::DEBUG_TEST);
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#define strprintf tfm::format
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    argsman.AddArg("-logthreadnames", strprintf("Prepend debug output with name of the originating thread (default: %u)", DEFAULT_LOGTHREADNAMES), ArgsManager::ALLOW_ANY, OptionsCategory::DEBUG_TEST);
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#define strprintf tfm::format
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    argsman.AddArg("-logsourcelocations", strprintf("Prepend debug output with name of the originating source location (source file, line number and function name) (default: %u)", DEFAULT_LOGSOURCELOCATIONS), ArgsManager::ALLOW_ANY, OptionsCategory::DEBUG_TEST);
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#define strprintf tfm::format
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    argsman.AddArg("-logtimemicros", strprintf("Add microsecond precision to debug timestamps (default: %u)", DEFAULT_LOGTIMEMICROS), ArgsManager::ALLOW_ANY | ArgsManager::DEBUG_ONLY, OptionsCategory::DEBUG_TEST);
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#define strprintf tfm::format
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    argsman.AddArg("-loglevelalways", strprintf("Always prepend a category and level (default: %u)", DEFAULT_LOGLEVELALWAYS), ArgsManager::ALLOW_ANY, OptionsCategory::DEBUG_TEST);
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#define strprintf tfm::format
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    argsman.AddArg("-printtoconsole", "Send trace/debug info to console (default: 1 when no -daemon. To disable logging to file, set -nodebuglogfile)", ArgsManager::ALLOW_ANY, OptionsCategory::DEBUG_TEST);
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    argsman.AddArg("-shrinkdebugfile", "Shrink debug.log file on client startup (default: 1 when no -debug)", ArgsManager::ALLOW_ANY, OptionsCategory::DEBUG_TEST);
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}
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void SetLoggingOptions(const ArgsManager& args)
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{
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    LogInstance().m_print_to_file = !args.IsArgNegated("-debuglogfile");
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    LogInstance().m_file_path = AbsPathForConfigVal(args, args.GetPathArg("-debuglogfile", DEFAULT_DEBUGLOGFILE));
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    LogInstance().m_print_to_console = args.GetBoolArg("-printtoconsole", !args.GetBoolArg("-daemon", false));
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    LogInstance().m_log_timestamps = args.GetBoolArg("-logtimestamps", DEFAULT_LOGTIMESTAMPS);
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    LogInstance().m_log_time_micros = args.GetBoolArg("-logtimemicros", DEFAULT_LOGTIMEMICROS);
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    LogInstance().m_log_threadnames = args.GetBoolArg("-logthreadnames", DEFAULT_LOGTHREADNAMES);
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    LogInstance().m_log_sourcelocations = args.GetBoolArg("-logsourcelocations", DEFAULT_LOGSOURCELOCATIONS);
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    LogInstance().m_always_print_category_level = args.GetBoolArg("-loglevelalways", DEFAULT_LOGLEVELALWAYS);
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    fLogIPs = args.GetBoolArg("-logips", DEFAULT_LOGIPS);
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}
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util::Result<void> SetLoggingLevel(const ArgsManager& args)
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{
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        for (const std::string& level_str : args.GetArgs("-loglevel")) {
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            if (level_str.find_first_of(':', 3) == std::string::npos) {
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                // user passed a global log level, i.e. -loglevel=<level>
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                if (!LogInstance().SetLogLevel(level_str)) {
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                    return util::Error{strprintf(_("Unsupported global logging level %s=%s. Valid values: %s."), "-loglevel", level_str, LogInstance().LogLevelsString())};
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#define strprintf tfm::format
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                }
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            } else {
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                // user passed a category-specific log level, i.e. -loglevel=<category>:<level>
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                const auto& toks = SplitString(level_str, ':');
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                if (!(toks.size() == 2 && LogInstance().SetCategoryLogLevel(toks[0], toks[1]))) {
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                    return util::Error{strprintf(_("Unsupported category-specific logging level %1$s=%2$s. Expected %1$s=<category>:<loglevel>. Valid categories: %3$s. Valid loglevels: %4$s."), "-loglevel", level_str, LogInstance().LogCategoriesString(), LogInstance().LogLevelsString())};
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#define strprintf tfm::format
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                }
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            }
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        }
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    return {};
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}
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util::Result<void> SetLoggingCategories(const ArgsManager& args)
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{
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        const std::vector<std::string> categories = args.GetArgs("-debug");
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        // Special-case: Disregard any debugging categories appearing before -debug=0/none
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        const auto last_negated = std::find_if(categories.rbegin(), categories.rend(),
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                                               [](const std::string& cat) 
{ return 0
cat == "0"0
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cat == "none"0
; });
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        const auto categories_to_process = (last_negated == categories.rend()) ? categories : 
std::ranges::subrange(last_negated.base(), categories.end())0
;
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        for (const auto& cat : categories_to_process) {
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            if (!LogInstance().EnableCategory(cat)) {
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                return util::Error{strprintf(_("Unsupported logging category %s=%s."), "-debug", cat)};
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#define strprintf tfm::format
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            }
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        }
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    // Now remove the logging categories which were explicitly excluded
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for (const std::string& cat : args.GetArgs("-debugexclude"))49.9k
{
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        if (!LogInstance().DisableCategory(cat)) {
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            return util::Error{strprintf(_("Unsupported logging category %s=%s."), "-debugexclude", cat)};
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#define strprintf tfm::format
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        }
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    }
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    return {};
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}
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bool StartLogging(const ArgsManager& args)
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{
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    if (LogInstance().m_print_to_file) {
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        if (args.GetBoolArg("-shrinkdebugfile", LogInstance().DefaultShrinkDebugFile())) {
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            // Do this first since it both loads a bunch of debug.log into memory,
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            // and because this needs to happen before any other debug.log printing
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            LogInstance().ShrinkDebugFile();
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        }
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    }
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    if (!LogInstance().StartLogging()) {
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            return InitError(Untranslated(strprintf("Could not open debug log file %s",
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#define strprintf tfm::format
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                fs::PathToString(LogInstance().m_file_path))));
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    }
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    if (!LogInstance().m_log_timestamps)
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        LogPrintf("Startup time: %s\n", FormatISO8601DateTime(GetTime()));
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#define LogPrintf(...) LogInfo(__VA_ARGS__)
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#define LogInfo(...) LogPrintLevel_(BCLog::LogFlags::ALL, BCLog::Level::Info, __VA_ARGS__)
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#define LogPrintLevel_(category, level, ...) LogPrintFormatInternal(__func__, __FILE__, __LINE__, category, level, __VA_ARGS__)
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    LogPrintf("Default data directory %s\n", fs::PathToString(GetDefaultDataDir()));
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#define LogPrintf(...) LogInfo(__VA_ARGS__)
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#define LogInfo(...) LogPrintLevel_(BCLog::LogFlags::ALL, BCLog::Level::Info, __VA_ARGS__)
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#define LogPrintLevel_(category, level, ...) LogPrintFormatInternal(__func__, __FILE__, __LINE__, category, level, __VA_ARGS__)
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    LogPrintf("Using data directory %s\n", fs::PathToString(gArgs.GetDataDirNet()));
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#define LogPrintf(...) LogInfo(__VA_ARGS__)
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#define LogInfo(...) LogPrintLevel_(BCLog::LogFlags::ALL, BCLog::Level::Info, __VA_ARGS__)
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#define LogPrintLevel_(category, level, ...) LogPrintFormatInternal(__func__, __FILE__, __LINE__, category, level, __VA_ARGS__)
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    // Only log conf file usage message if conf file actually exists.
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    fs::path config_file_path = args.GetConfigFilePath();
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    if (args.IsArgNegated("-conf")) {
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        LogInfo("Config file: <disabled>");
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#define LogInfo(...) LogPrintLevel_(BCLog::LogFlags::ALL, BCLog::Level::Info, __VA_ARGS__)
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#define LogPrintLevel_(category, level, ...) LogPrintFormatInternal(__func__, __FILE__, __LINE__, category, level, __VA_ARGS__)
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    } else if (fs::is_directory(config_file_path)) {
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        LogWarning("Config file: %s (is directory, not file)", fs::PathToString(config_file_path));
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#define LogWarning(...) LogPrintLevel_(BCLog::LogFlags::ALL, BCLog::Level::Warning, __VA_ARGS__)
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#define LogPrintLevel_(category, level, ...) LogPrintFormatInternal(__func__, __FILE__, __LINE__, category, level, __VA_ARGS__)
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    } else if (fs::exists(config_file_path)) {
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        LogPrintf("Config file: %s\n", fs::PathToString(config_file_path));
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#define LogPrintf(...) LogInfo(__VA_ARGS__)
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#define LogInfo(...) LogPrintLevel_(BCLog::LogFlags::ALL, BCLog::Level::Info, __VA_ARGS__)
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#define LogPrintLevel_(category, level, ...) LogPrintFormatInternal(__func__, __FILE__, __LINE__, category, level, __VA_ARGS__)
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    } else if (args.IsArgSet("-conf")) {
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        InitWarning(strprintf(_("The specified config file %s does not exist"), fs::PathToString(config_file_path)));
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#define strprintf tfm::format
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    } else {
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        // Not categorizing as "Warning" because it's the default behavior
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        LogPrintf("Config file: %s (not found, skipping)\n", fs::PathToString(config_file_path));
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#define LogPrintf(...) LogInfo(__VA_ARGS__)
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#define LogInfo(...) LogPrintLevel_(BCLog::LogFlags::ALL, BCLog::Level::Info, __VA_ARGS__)
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#define LogPrintLevel_(category, level, ...) LogPrintFormatInternal(__func__, __FILE__, __LINE__, category, level, __VA_ARGS__)
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    }
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    // Log the config arguments to debug.log
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    args.LogArgs();
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    return true;
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}
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void LogPackageVersion()
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{
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    std::string version_string = FormatFullVersion();
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#ifdef DEBUG
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    version_string += " (debug build)";
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#else
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    version_string += " (release build)";
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#endif
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    LogPrintf(CLIENT_NAME " version %s\n", version_string);
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#define LogPrintf(...) LogInfo(__VA_ARGS__)
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#define LogInfo(...) LogPrintLevel_(BCLog::LogFlags::ALL, BCLog::Level::Info, __VA_ARGS__)
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#define LogPrintLevel_(category, level, ...) LogPrintFormatInternal(__func__, __FILE__, __LINE__, category, level, __VA_ARGS__)
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}
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} // namespace init