From 3867a29a105ac1979bff9780a6d32e2c20a4c5c6 Mon Sep 17 00:00:00 2001
From: apio <blobs.trading@gmail.com>
Date: Sat, 8 Apr 2023 14:47:58 +0200
Subject: [PATCH] apps: Add mkdir, chown and chmod

---
 apps/CMakeLists.txt | 16 ++++------------
 apps/chmod.cpp      | 23 +++++++++++++++++++++++
 apps/chown.cpp      | 23 +++++++++++++++++++++++
 apps/mkdir.cpp      | 23 +++++++++++++++++++++++
 4 files changed, 73 insertions(+), 12 deletions(-)
 create mode 100644 apps/chmod.cpp
 create mode 100644 apps/chown.cpp
 create mode 100644 apps/mkdir.cpp

diff --git a/apps/CMakeLists.txt b/apps/CMakeLists.txt
index 288cb943..0b2cdc10 100644
--- a/apps/CMakeLists.txt
+++ b/apps/CMakeLists.txt
@@ -3,26 +3,18 @@ function(luna_app SOURCE_FILE APP_NAME)
     target_compile_options(${APP_NAME} PRIVATE -Os ${COMMON_FLAGS} -Wno-write-strings)
     add_dependencies(${APP_NAME} libc)
     target_include_directories(${APP_NAME} PRIVATE ${LUNA_BASE}/usr/include)
+    target_link_libraries(${APP_NAME} PRIVATE os)
     install(TARGETS ${APP_NAME} DESTINATION ${LUNA_ROOT}/initrd/bin)
 endfunction()
 
 luna_app(init.cpp init)
 luna_app(env.cpp env)
-
 luna_app(su.cpp su)
-target_link_libraries(su PRIVATE os)
-
 luna_app(sh.cpp sh)
-target_link_libraries(sh PRIVATE os)
-
 luna_app(cat.cpp cat)
-target_link_libraries(cat PRIVATE os)
-
 luna_app(date.cpp date)
-target_link_libraries(date PRIVATE os)
-
 luna_app(edit.cpp edit)
-target_link_libraries(edit PRIVATE os)
-
 luna_app(ls.cpp ls)
-target_link_libraries(ls PRIVATE os)
+luna_app(chown.cpp chown)
+luna_app(chmod.cpp chmod)
+luna_app(mkdir.cpp mkdir)
diff --git a/apps/chmod.cpp b/apps/chmod.cpp
new file mode 100644
index 00000000..8440c8bf
--- /dev/null
+++ b/apps/chmod.cpp
@@ -0,0 +1,23 @@
+#include <os/ArgumentParser.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+int main(int argc, char** argv)
+{
+    StringView mode_string;
+    StringView path;
+
+    os::ArgumentParser parser;
+    parser.add_positional_argument(mode_string, "mode"_sv, true);
+    parser.add_positional_argument(path, "path"_sv, true);
+    parser.parse(argc, argv);
+
+    mode_t mode = (mode_t)strtoul(mode_string.chars(), NULL, 8);
+
+    if (chmod(path.chars(), mode) < 0)
+    {
+        perror("chmod");
+        return 1;
+    }
+}
diff --git a/apps/chown.cpp b/apps/chown.cpp
new file mode 100644
index 00000000..cf7e64c2
--- /dev/null
+++ b/apps/chown.cpp
@@ -0,0 +1,23 @@
+#include <os/ArgumentParser.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+int main(int argc, char** argv)
+{
+    StringView user;
+    StringView path;
+
+    os::ArgumentParser parser;
+    parser.add_positional_argument(user, "user"_sv, true);
+    parser.add_positional_argument(path, "path"_sv, true);
+    parser.parse(argc, argv);
+
+    u32 id = (u32)strtoul(user.chars(), NULL, 0);
+
+    if (chown(path.chars(), id, id) < 0)
+    {
+        perror("chown");
+        return 1;
+    }
+}
diff --git a/apps/mkdir.cpp b/apps/mkdir.cpp
new file mode 100644
index 00000000..bd385c9c
--- /dev/null
+++ b/apps/mkdir.cpp
@@ -0,0 +1,23 @@
+#include <os/ArgumentParser.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+
+int main(int argc, char** argv)
+{
+    StringView path;
+    StringView mode_string;
+
+    os::ArgumentParser parser;
+    parser.add_positional_argument(path, "path"_sv, true);
+    parser.add_positional_argument(mode_string, "mode"_sv, "755"_sv);
+    parser.parse(argc, argv);
+
+    mode_t mode = (mode_t)strtoul(mode_string.chars(), NULL, 8);
+
+    if (mkdir(path.chars(), mode) < 0)
+    {
+        perror("mkdir");
+        return 1;
+    }
+}