1 files changed, 134 insertions, 0 deletions
diff --git a/Userland/Utilities/stat.cpp b/Userland/Utilities/stat.cpp
new file mode 100644
index 0000000000..05501ced25
--- /dev/null
+++ b/Userland/Utilities/stat.cpp
@@ -0,0 +1,134 @@
+/*
+ * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
+ * Copyright (c) 2020, Shannon Booth <shannon.ml.booth@gmail.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <AK/String.h>
+#include <LibCore/ArgsParser.h>
+#include <LibCore/DateTime.h>
+#include <grp.h>
+#include <pwd.h>
+#include <stdio.h>
+#include <sys/stat.h>
+#include <time.h>
+#include <unistd.h>
+
+static int stat(const char* file, bool should_follow_links)
+{
+    struct stat st;
+    int rc = should_follow_links ? stat(file, &st) : lstat(file, &st);
+    if (rc < 0) {
+        perror("lstat");
+        return 1;
+    }
+    printf("    File: %s\n", file);
+    printf("   Inode: %u\n", st.st_ino);
+    if (S_ISCHR(st.st_mode) || S_ISBLK(st.st_mode))
+        printf("  Device: %u,%u\n", major(st.st_rdev), minor(st.st_rdev));
+    else
+        printf("    Size: %zd\n", st.st_size);
+    printf("   Links: %u\n", st.st_nlink);
+    printf("  Blocks: %u\n", st.st_blocks);
+    printf("     UID: %u", st.st_uid);
+    if (auto* pwd = getpwuid(st.st_uid)) {
+        printf(" (%s)", pwd->pw_name);
+    }
+    printf("\n");
+    printf("     GID: %u", st.st_gid);
+    if (auto* grp = getgrgid(st.st_gid)) {
+        printf(" (%s)", grp->gr_name);
+    }
+    printf("\n");
+    printf("    Mode: (%o/", st.st_mode);
+
+    if (S_ISDIR(st.st_mode))
+        printf("d");
+    else if (S_ISLNK(st.st_mode))
+        printf("l");
+    else if (S_ISBLK(st.st_mode))
+        printf("b");
+    else if (S_ISCHR(st.st_mode))
+        printf("c");
+    else if (S_ISFIFO(st.st_mode))
+        printf("f");
+    else if (S_ISSOCK(st.st_mode))
+        printf("s");
+    else if (S_ISREG(st.st_mode))
+        printf("-");
+    else
+        printf("?");
+
+    printf("%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)
+        printf("t");
+    else
+        printf("%c", st.st_mode & S_IXOTH ? 'x' : '-');
+
+    printf(")\n");
+
+    auto print_time = [](time_t t) {
+        printf("%s\n", Core::DateTime::from_timestamp(t).to_string().characters());
+    };
+
+    printf("Accessed: ");
+    print_time(st.st_atime);
+    printf("Modified: ");
+    print_time(st.st_mtime);
+    printf(" Changed: ");
+    print_time(st.st_ctime);
+
+    return 0;
+}
+
+int main(int argc, char** argv)
+{
+    if (pledge("stdio rpath", nullptr) < 0) {
+        perror("pledge");
+        return 1;
+    }
+
+    bool should_follow_links = false;
+    Vector<const char*> 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(argc, argv);
+
+    int ret = 0;
+    for (auto& file : files)
+        ret |= stat(file, should_follow_links);
+
+    return ret;
+}