ladybird/Userland/Utilities/stat.cpp
2022-01-04 22:47:57 +01:00

110 lines
3.1 KiB
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2020, Shannon Booth <shannon.ml.booth@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/String.h>
#include <LibCore/ArgsParser.h>
#include <LibCore/DateTime.h>
#include <LibCore/System.h>
#include <LibMain/Main.h>
#include <grp.h>
#include <pwd.h>
#include <time.h>
static ErrorOr<int> stat(StringView file, bool should_follow_links)
{
auto st = TRY(should_follow_links ? Core::System::stat(file) : Core::System::lstat(file));
outln(" File: {}", file);
outln(" Inode: {}", st.st_ino);
if (S_ISCHR(st.st_mode) || S_ISBLK(st.st_mode))
outln(" Device: {},{}", major(st.st_rdev), minor(st.st_rdev));
else
outln(" Size: {}", st.st_size);
outln(" Links: {}", st.st_nlink);
outln(" Blocks: {}", st.st_blocks);
out(" UID: {}", st.st_uid);
if (auto* pwd = getpwuid(st.st_uid)) {
out(" ({})", pwd->pw_name);
}
outln("");
out(" GID: {}", st.st_gid);
if (auto* grp = getgrgid(st.st_gid)) {
out(" ({})", grp->gr_name);
}
outln("");
out(" Mode: ({:o}/", st.st_mode);
if (S_ISDIR(st.st_mode))
out("d");
else if (S_ISLNK(st.st_mode))
out("l");
else if (S_ISBLK(st.st_mode))
out("b");
else if (S_ISCHR(st.st_mode))
out("c");
else if (S_ISFIFO(st.st_mode))
out("f");
else if (S_ISSOCK(st.st_mode))
out("s");
else if (S_ISREG(st.st_mode))
out("-");
else
out("?");
out("{:c}{:c}{:c}{:c}{:c}{:c}{:c}{:c}",
st.st_mode & S_IRUSR ? 'r' : '-',
st.st_mode & S_IWUSR ? 'w' : '-',
st.st_mode & S_ISUID ? 's' : (st.st_mode & S_IXUSR ? 'x' : '-'),
st.st_mode & S_IRGRP ? 'r' : '-',
st.st_mode & S_IWGRP ? 'w' : '-',
st.st_mode & S_ISGID ? 's' : (st.st_mode & S_IXGRP ? 'x' : '-'),
st.st_mode & S_IROTH ? 'r' : '-',
st.st_mode & S_IWOTH ? 'w' : '-');
if (st.st_mode & S_ISVTX)
out("t");
else
out("{:c}", st.st_mode & S_IXOTH ? 'x' : '-');
outln(")");
auto print_time = [](time_t t) {
outln("{}", Core::DateTime::from_timestamp(t).to_string());
};
out("Accessed: ");
print_time(st.st_atime);
out("Modified: ");
print_time(st.st_mtime);
out(" Changed: ");
print_time(st.st_ctime);
return 0;
}
ErrorOr<int> serenity_main(Main::Arguments arguments)
{
TRY(Core::System::pledge("stdio rpath", nullptr));
bool should_follow_links = false;
Vector<StringView> files;
auto args_parser = Core::ArgsParser();
args_parser.add_option(should_follow_links, "Follow links to files", nullptr, 'L');
args_parser.add_positional_argument(files, "File(s) to stat", "file", Core::ArgsParser::Required::Yes);
args_parser.parse(arguments);
bool had_error = false;
for (auto& file : files) {
auto r = stat(file, should_follow_links);
if (r.is_error()) {
had_error = true;
warnln("stat: cannot stat '{}': {}", file, strerror(r.error().code()));
}
}
return had_error;
}