commit 7b0a1a7d2208589608c29485b6fd632b90ec2371
Author: Wesley Kerfoot <wjak56@gmail.com>
Date:   Sat Nov 16 22:12:04 2019 -0500

    initial commit

diff --git a/.vimrc b/.vimrc
new file mode 100644
index 0000000..6961a2d
--- /dev/null
+++ b/.vimrc
@@ -0,0 +1,2 @@
+set makeprg=nim\ c\ %
+set autowrite
diff --git a/adb.nim b/adb.nim
new file mode 100644
index 0000000..59f6548
--- /dev/null
+++ b/adb.nim
@@ -0,0 +1,121 @@
+import net, strutils, parseutils, strformat, osproc, system, sequtils, times
+import options except map
+
+type FileStat = ref object of RootObj
+  androidFileMode : BiggestInt
+  androidFileSize : uint32
+  androidFileModified : Time
+
+proc parseAdb(resp : string) : Option[string] =
+  if resp.len == 0:
+    return none(string)
+
+  var msg_len : int
+  var offset : int
+
+  var status = resp[0..3]
+  var loc = parseHex(resp, msg_len, 4, 4)
+
+  if msg_len > 0:
+    offset = loc + 4 + msg_len - 1
+  else:
+    offset = resp.len - 1
+
+  var msg = resp[loc+4..offset]
+
+  if status == "FAIL":
+    stderr.writeLine(msg)
+    return none(string)
+  return some(msg)
+
+proc makeMsg(msg : string) : string =
+  fmt"{msg.len:04x}{msg}"
+
+proc adbConnect() : Socket =
+  var socket = newSocket(buffered=false)
+  socket.connect("127.0.0.1", Port(5037))
+  socket
+
+proc unrollBytes(n : uint32) : string =
+  let shifts : seq[uint32] = @[0'u32, 8'u32, 16'u32, 24'u32]
+  # shift each byte right by a certain amount and mask off the least-significant byte
+  map(shifts, proc (shift : uint32) : string = $char((n shr shift) and 0x000000ff)).join
+
+proc rollBytes(bs : string) : uint32 =
+  let shifts : seq[uint32] = @[0'u32, 8'u32, 16'u32, 24'u32]
+  var n : uint32
+  for pair in zip(shifts, bs):
+    n = n or pair.b.uint32 shl pair.a
+  n
+
+proc parseStat(statResult : string) : FileStat =
+  let command = map(statResult[0..3], proc (c : char) : string = $char(c)).join
+  let fileMode = statResult[4..7].rollBytes.BiggestInt
+  let fileSize = statResult[8..11].rollBytes
+  let fileCreated = statResult[12..15].rollBytes.int64.fromUnix
+
+  FileStat(androidFileMode: fileMode,
+           androidFileSize: fileSize,
+           androidFileModified: fileCreated)
+
+proc adbPull(filename : string) : string =
+  echo filename.len
+  let socket = adbConnect()
+  socket.send("host:transport-usb".makeMsg)
+  discard socket.recv(1024)
+
+  echo "Trying to set sync mode"
+  socket.send("sync:".makeMsg)
+
+  discard socket.recv(1024).parseAdb.get
+
+  echo fmt"Trying to stat the file {filename}"
+
+  let length : string = filename.len.uint32.unrollBytes
+
+  socket.send("STAT" & length & filename)
+
+  echo socket.recv(1024).parseStat.repr
+
+  socket.close()
+  return ""
+
+proc sendAdb(payload : string) : string =
+  var socket = adbConnect()
+  socket.send("host:transport-usb".makeMsg)
+
+  discard socket.recv(1024)
+
+  socket.send(payload)
+
+  var response = ""
+
+  while (var chunk = socket.recv(1024); chunk != ""):
+    response = response & chunk
+
+  socket.close()
+  return response
+
+proc rebootPhone() : Option[string] =
+  makeMsg("reboot:").sendAdb.parseAdb
+
+proc listCerts() : string =
+  makeMsg("shell:ls /etc/*").sendAdb.parseAdb.get
+
+discard execCmd("adb start-server")
+
+#var devices = makeMsg("host:version").sendAdb.parseAdb
+
+#if devices.isNone:
+  #quit(1)
+#else:
+  #echo devices.get()
+
+echo adbPull("/system/lib/libz.so")
+
+#discard rebootPhone()
+
+#echo listCerts()
+
+#echo makeMsg("shell:uname -a").sendAdb.parseAdb.get
+#echo makeMsg("shell:ls /system/etc/security/cacerts/*").sendAdb.parseAdb.get