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-rw-r--r--src/util/asmap.cpp1
-rw-r--r--src/util/overflow.h1
-rw-r--r--src/util/settings.cpp12
-rw-r--r--src/util/strencodings.cpp3
-rw-r--r--src/util/syscall_sandbox.cpp8
-rw-r--r--src/util/system.cpp91
-rw-r--r--src/util/system.h16
7 files changed, 80 insertions, 52 deletions
diff --git a/src/util/asmap.cpp b/src/util/asmap.cpp
index ffa2755970..ceb8379c1c 100644
--- a/src/util/asmap.cpp
+++ b/src/util/asmap.cpp
@@ -6,6 +6,7 @@
#include <clientversion.h>
#include <crypto/common.h>
+#include <fs.h>
#include <logging.h>
#include <streams.h>
diff --git a/src/util/overflow.h b/src/util/overflow.h
index 5982af8d04..c70a8b663e 100644
--- a/src/util/overflow.h
+++ b/src/util/overflow.h
@@ -6,6 +6,7 @@
#define BITCOIN_UTIL_OVERFLOW_H
#include <limits>
+#include <optional>
#include <type_traits>
template <class T>
diff --git a/src/util/settings.cpp b/src/util/settings.cpp
index 442a55ffb0..26439b010b 100644
--- a/src/util/settings.cpp
+++ b/src/util/settings.cpp
@@ -2,11 +2,17 @@
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+#include <fs.h>
#include <util/settings.h>
#include <tinyformat.h>
#include <univalue.h>
+#include <fstream>
+#include <map>
+#include <string>
+#include <vector>
+
namespace util {
namespace {
@@ -63,7 +69,7 @@ bool ReadSettings(const fs::path& path, std::map<std::string, SettingsValue>& va
// Ok for file to not exist
if (!fs::exists(path)) return true;
- fsbridge::ifstream file;
+ std::ifstream file;
file.open(path);
if (!file.is_open()) {
errors.emplace_back(strprintf("%s. Please check permissions.", fs::PathToString(path)));
@@ -106,13 +112,13 @@ bool WriteSettings(const fs::path& path,
for (const auto& value : values) {
out.__pushKV(value.first, value.second);
}
- fsbridge::ofstream file;
+ std::ofstream file;
file.open(path);
if (file.fail()) {
errors.emplace_back(strprintf("Error: Unable to open settings file %s for writing", fs::PathToString(path)));
return false;
}
- file << out.write(/* prettyIndent= */ 1, /* indentLevel= */ 4) << std::endl;
+ file << out.write(/* prettyIndent= */ 4, /* indentLevel= */ 1) << std::endl;
file.close();
return true;
}
diff --git a/src/util/strencodings.cpp b/src/util/strencodings.cpp
index a386f2b7b3..940fa90da2 100644
--- a/src/util/strencodings.cpp
+++ b/src/util/strencodings.cpp
@@ -113,7 +113,7 @@ void SplitHostPort(std::string in, uint16_t& portOut, std::string& hostOut)
// if a : is found, and it either follows a [...], or no other : is in the string, treat it as port separator
bool fHaveColon = colon != in.npos;
bool fBracketed = fHaveColon && (in[0] == '[' && in[colon - 1] == ']'); // if there is a colon, and in[0]=='[', colon is not 0, so in[colon-1] is safe
- bool fMultiColon = fHaveColon && (in.find_last_of(':', colon - 1) != in.npos);
+ bool fMultiColon{fHaveColon && colon != 0 && (in.find_last_of(':', colon - 1) != in.npos)};
if (fHaveColon && (colon == 0 || fBracketed || !fMultiColon)) {
uint16_t n;
if (ParseUInt16(in.substr(colon + 1), &n)) {
@@ -328,6 +328,7 @@ bool ParseUInt64(const std::string& str, uint64_t* out)
std::string FormatParagraph(const std::string& in, size_t width, size_t indent)
{
+ assert(width >= indent);
std::stringstream out;
size_t ptr = 0;
size_t indented = 0;
diff --git a/src/util/syscall_sandbox.cpp b/src/util/syscall_sandbox.cpp
index 3c250b7704..f2a9cf664d 100644
--- a/src/util/syscall_sandbox.cpp
+++ b/src/util/syscall_sandbox.cpp
@@ -68,6 +68,10 @@ bool g_syscall_sandbox_log_violation_before_terminating{false};
#define __NR_copy_file_range 326
#endif
+#ifndef __NR_rseq
+#define __NR_rseq 334
+#endif
+
// This list of syscalls in LINUX_SYSCALLS is only used to map syscall numbers to syscall names in
// order to be able to print user friendly error messages which include the syscall name in addition
// to the syscall number.
@@ -327,6 +331,7 @@ const std::map<uint32_t, std::string> LINUX_SYSCALLS{
{__NR_request_key, "request_key"},
{__NR_restart_syscall, "restart_syscall"},
{__NR_rmdir, "rmdir"},
+ {__NR_rseq, "rseq"},
{__NR_rt_sigaction, "rt_sigaction"},
{__NR_rt_sigpending, "rt_sigpending"},
{__NR_rt_sigprocmask, "rt_sigprocmask"},
@@ -595,10 +600,12 @@ public:
allowed_syscalls.insert(__NR_readlink); // read value of a symbolic link
allowed_syscalls.insert(__NR_rename); // change the name or location of a file
allowed_syscalls.insert(__NR_rmdir); // delete a directory
+ allowed_syscalls.insert(__NR_sendfile); // transfer data between file descriptors
allowed_syscalls.insert(__NR_stat); // get file status
allowed_syscalls.insert(__NR_statfs); // get filesystem statistics
allowed_syscalls.insert(__NR_statx); // get file status (extended)
allowed_syscalls.insert(__NR_unlink); // delete a name and possibly the file it refers to
+ allowed_syscalls.insert(__NR_unlinkat); // delete relative to a directory file descriptor
}
void AllowFutex()
@@ -721,6 +728,7 @@ public:
allowed_syscalls.insert(__NR_fork); // create a child process
allowed_syscalls.insert(__NR_tgkill); // send a signal to a thread
allowed_syscalls.insert(__NR_wait4); // wait for process to change state, BSD style
+ allowed_syscalls.insert(__NR_rseq); // register restartable sequence for thread
}
void AllowScheduling()
diff --git a/src/util/system.cpp b/src/util/system.cpp
index 8f35b7b6c6..69811a751b 100644
--- a/src/util/system.cpp
+++ b/src/util/system.cpp
@@ -6,15 +6,11 @@
#include <util/system.h>
#ifdef ENABLE_EXTERNAL_SIGNER
-#if defined(WIN32) && !defined(__kernel_entry)
-// A workaround for boost 1.71 incompatibility with mingw-w64 compiler.
-// For details see https://github.com/bitcoin/bitcoin/pull/22348.
-#define __kernel_entry
-#endif
#include <boost/process.hpp>
#endif // ENABLE_EXTERNAL_SIGNER
#include <chainparamsbase.h>
+#include <fs.h>
#include <sync.h>
#include <util/check.h>
#include <util/getuniquepath.h>
@@ -71,10 +67,16 @@
#endif
#include <boost/algorithm/string/replace.hpp>
+#include <univalue.h>
+
+#include <fstream>
+#include <map>
+#include <memory>
#include <optional>
+#include <string>
+#include <system_error>
#include <thread>
#include <typeinfo>
-#include <univalue.h>
// Application startup time (used for uptime calculation)
const int64_t nStartupTime = GetTime();
@@ -151,7 +153,7 @@ bool CheckDiskSpace(const fs::path& dir, uint64_t additional_bytes)
}
std::streampos GetFileSize(const char* path, std::streamsize max) {
- std::ifstream file(path, std::ios::binary);
+ std::ifstream file{path, std::ios::binary};
file.ignore(max);
return file.gcount();
}
@@ -244,19 +246,6 @@ static std::optional<util::SettingsValue> InterpretValue(const KeyInfo& key, con
return value;
}
-namespace {
-fs::path StripRedundantLastElementsOfPath(const fs::path& path)
-{
- auto result = path;
- while (fs::PathToString(result.filename()) == ".") {
- result = result.parent_path();
- }
-
- assert(fs::equivalent(result, path));
- return result;
-}
-} // namespace
-
// Define default constructor and destructor that are not inline, so code instantiating this class doesn't need to
// #include class definitions for all members.
// For example, m_settings has an internal dependency on univalue.
@@ -398,6 +387,13 @@ std::optional<unsigned int> ArgsManager::GetArgFlags(const std::string& name) co
return std::nullopt;
}
+fs::path ArgsManager::GetPathArg(std::string pathlike_arg) const
+{
+ auto result = fs::PathFromString(GetArg(pathlike_arg, "")).lexically_normal();
+ // Remove trailing slash, if present.
+ return result.has_filename() ? result : result.parent_path();
+}
+
const fs::path& ArgsManager::GetBlocksDirPath() const
{
LOCK(cs_args);
@@ -408,7 +404,7 @@ const fs::path& ArgsManager::GetBlocksDirPath() const
if (!path.empty()) return path;
if (IsArgSet("-blocksdir")) {
- path = fs::system_complete(fs::PathFromString(GetArg("-blocksdir", "")));
+ path = fs::absolute(GetPathArg("-blocksdir"));
if (!fs::is_directory(path)) {
path = "";
return path;
@@ -420,7 +416,6 @@ const fs::path& ArgsManager::GetBlocksDirPath() const
path /= fs::PathFromString(BaseParams().DataDir());
path /= "blocks";
fs::create_directories(path);
- path = StripRedundantLastElementsOfPath(path);
return path;
}
@@ -433,9 +428,9 @@ const fs::path& ArgsManager::GetDataDir(bool net_specific) const
// this function
if (!path.empty()) return path;
- std::string datadir = GetArg("-datadir", "");
+ const fs::path datadir{GetPathArg("-datadir")};
if (!datadir.empty()) {
- path = fs::system_complete(fs::PathFromString(datadir));
+ path = fs::absolute(datadir);
if (!fs::is_directory(path)) {
path = "";
return path;
@@ -443,15 +438,18 @@ const fs::path& ArgsManager::GetDataDir(bool net_specific) const
} else {
path = GetDefaultDataDir();
}
- if (net_specific)
- path /= fs::PathFromString(BaseParams().DataDir());
- if (fs::create_directories(path)) {
- // This is the first run, create wallets subdirectory too
+ if (!fs::exists(path)) {
fs::create_directories(path / "wallets");
}
- path = StripRedundantLastElementsOfPath(path);
+ if (net_specific && !BaseParams().DataDir().empty()) {
+ path /= fs::PathFromString(BaseParams().DataDir());
+ if (!fs::exists(path)) {
+ fs::create_directories(path / "wallets");
+ }
+ }
+
return path;
}
@@ -812,8 +810,8 @@ fs::path GetDefaultDataDir()
bool CheckDataDirOption()
{
- std::string datadir = gArgs.GetArg("-datadir", "");
- return datadir.empty() || fs::is_directory(fs::system_complete(fs::PathFromString(datadir)));
+ const fs::path datadir{gArgs.GetPathArg("-datadir")};
+ return datadir.empty() || fs::is_directory(fs::absolute(datadir));
}
fs::path GetConfigFile(const std::string& confPath)
@@ -903,7 +901,7 @@ bool ArgsManager::ReadConfigFiles(std::string& error, bool ignore_invalid_keys)
}
const std::string confPath = GetArg("-conf", BITCOIN_CONF_FILENAME);
- fsbridge::ifstream stream(GetConfigFile(confPath));
+ std::ifstream stream{GetConfigFile(confPath)};
// not ok to have a config file specified that cannot be opened
if (IsArgSet("-conf") && !stream.good()) {
@@ -950,7 +948,7 @@ bool ArgsManager::ReadConfigFiles(std::string& error, bool ignore_invalid_keys)
const size_t default_includes = add_includes({});
for (const std::string& conf_file_name : conf_file_names) {
- fsbridge::ifstream conf_file_stream(GetConfigFile(conf_file_name));
+ std::ifstream conf_file_stream{GetConfigFile(conf_file_name)};
if (conf_file_stream.good()) {
if (!ReadConfigStream(conf_file_stream, conf_file_name, error, ignore_invalid_keys)) {
return false;
@@ -1064,17 +1062,24 @@ void ArgsManager::LogArgs() const
bool RenameOver(fs::path src, fs::path dest)
{
-#ifdef WIN32
+#ifdef __MINGW64__
+ // This is a workaround for a bug in libstdc++ which
+ // implements std::filesystem::rename with _wrename function.
+ // This bug has been fixed in upstream:
+ // - GCC 10.3: 8dd1c1085587c9f8a21bb5e588dfe1e8cdbba79e
+ // - GCC 11.1: 1dfd95f0a0ca1d9e6cbc00e6cbfd1fa20a98f312
+ // For more details see the commits mentioned above.
return MoveFileExW(src.wstring().c_str(), dest.wstring().c_str(),
MOVEFILE_REPLACE_EXISTING) != 0;
#else
- int rc = std::rename(src.c_str(), dest.c_str());
- return (rc == 0);
-#endif /* WIN32 */
+ std::error_code error;
+ fs::rename(src, dest, error);
+ return !error;
+#endif
}
/**
- * Ignores exceptions thrown by Boost's create_directories if the requested directory exists.
+ * Ignores exceptions thrown by create_directories if the requested directory exists.
* Specifically handles case where path p exists, but it wasn't possible for the user to
* write to the parent directory.
*/
@@ -1318,16 +1323,6 @@ void SetupEnvironment()
SetConsoleCP(CP_UTF8);
SetConsoleOutputCP(CP_UTF8);
#endif
- // The path locale is lazy initialized and to avoid deinitialization errors
- // in multithreading environments, it is set explicitly by the main thread.
- // A dummy locale is used to extract the internal default locale, used by
- // fs::path, which is then used to explicitly imbue the path.
- std::locale loc = fs::path::imbue(std::locale::classic());
-#ifndef WIN32
- fs::path::imbue(loc);
-#else
- fs::path::imbue(std::locale(loc, new std::codecvt_utf8_utf16<wchar_t>()));
-#endif
}
bool SetupNetworking()
diff --git a/src/util/system.h b/src/util/system.h
index a8fd21fcaa..a72ba3f3ed 100644
--- a/src/util/system.h
+++ b/src/util/system.h
@@ -69,7 +69,13 @@ void DirectoryCommit(const fs::path &dirname);
bool TruncateFile(FILE *file, unsigned int length);
int RaiseFileDescriptorLimit(int nMinFD);
void AllocateFileRange(FILE *file, unsigned int offset, unsigned int length);
+
+/**
+ * Rename src to dest.
+ * @return true if the rename was successful.
+ */
[[nodiscard]] bool RenameOver(fs::path src, fs::path dest);
+
bool LockDirectory(const fs::path& directory, const std::string lockfile_name, bool probe_only=false);
void UnlockDirectory(const fs::path& directory, const std::string& lockfile_name);
bool DirIsWritable(const fs::path& directory);
@@ -265,6 +271,16 @@ protected:
std::optional<const Command> GetCommand() const;
/**
+ * Get a normalized path from a specified pathlike argument
+ *
+ * It is guaranteed that the returned path has no trailing slashes.
+ *
+ * @param pathlike_arg Pathlike argument to get a path from (e.g., "-datadir", "-blocksdir" or "-walletdir")
+ * @return Normalized path which is get from a specified pathlike argument
+ */
+ fs::path GetPathArg(std::string pathlike_arg) const;
+
+ /**
* Get blocks directory path
*
* @return Blocks path which is network specific