add snippet and script for wpa_supplicant.conf

UltiSnips/all.snippets

@@ -0,0 +1,18 @@
+global !p
+from ultisnips.all import *
+endglobal
+
+snippet wpanet "wpa_supplicant network entry" b
+network=\{
+	ssid="${1:SSID}"
+	key_mgmt=${2:WPA-PSK}
+	proto=${3:RSN WPA}
+	pairwise=${4:CCMP TKIP}
+	group=${5:CCMP TKIP}
+	#psk="${6:PSK}"
+	psk=`!p snip.rv = getWPAPassphraseHash(t[1], t[6])`
+	priority=${7:10}
+\}
+
+endsnippet
+

pythonx/ultisnips/all.py

@@ -1,3 +1,6 @@
+import subprocess
+import re
+
 def getUsername(username, gecos = True, passwd = "/etc/passwd"):
     content = [x.split(":") for x in open(passwd, "r").readlines()]
 
@@ -8,3 +11,14 @@ def getUsername(username, gecos = True, passwd = "/etc/passwd"):
             else:
                 return username
 
+def getWPAPassphraseHash(ssid, passphrase):
+    if len(passphrase) >= 8:
+        cmds = ["wpa_passphrase", ssid, passphrase, "|", "grep", "-E", "'^\s*psk.*'", "|", "cut", "-d=", "-f2"]
+        proc = subprocess.Popen(cmds, stdout=subprocess.PIPE)
+        proc.wait()
+        for line in proc.stdout.readlines():
+            match = re.match("^\s*psk.*$", line.decode("utf-8"))
+            if match:
+                return match.string.split("=")[1].strip()
+    return ""
+