Merge branch 'master' into timeheap

[ashd.git] / etc / extauth / mkhtpasswd

diff --git a/etc/extauth/mkhtpasswd b/etc/extauth/mkhtpasswd
new file mode 100755 (executable)
index 0000000..923ab07
--- /dev/null
+++ b/etc/extauth/mkhtpasswd
@@ -0,0 +1,37 @@
+#!/usr/bin/python
+
+import sys, os, termios, hmac, hashlib, getopt, getpass
+
+def usage(out):
+    out.write("usage: mkhtpasswd [-h] FILE USERNAME\n")
+
+opts, args = getopt.getopt(sys.argv[1:], "h")
+for o, a in opts:
+    if o == "-h":
+        usage(sys.stdout)
+        sys.exit(0)
+if len(args) < 2:
+    usage(sys.stderr)
+    sys.exit(1)
+
+def hashpw(usr, pw):
+    dig = hmac.new(pw, digestmod=hashlib.sha1)
+    dig.update(usr)
+    return dig.hexdigest()
+
+if ':' in args[1]:
+    sys.stderr.write("mkhtpasswd: username cannot contain `:'\n")
+    sys.exit(1)
+
+passwds = {}
+if os.path.exists(args[0]):
+    with open(args[0]) as fp:
+        for line in fp:
+            usr, pw = line.strip().split(':')
+            passwds[usr] = pw
+
+passwds[args[1]] = hashpw(args[1], getpass.getpass())
+
+with open(args[0], "w") as fp:
+    for usr, pw in passwds.iteritems():
+        fp.write("%s:%s\n" % (usr, pw))