sss_obfuscate tool

A tool to add obfuscated passwords into the SSSD config file

1 files changed, 81 insertions, 0 deletions

diff --git a/src/tools/sss_obfuscate b/src/tools/sss_obfuscate
new file mode 100644
index 00000000..220cd9be
--- /dev/null
+++ b/src/tools/sss_obfuscate
@@ -0,0 +1,81 @@
+#!/usr/bin/python
+
+import sys
+from optparse import OptionParser
+
+import pysss
+import SSSDConfig
+
+def parse_options():
+    parser = OptionParser()
+    parser.add_option("-s", "--stdin", action="store_true",
+                      dest="stdin", default=False,
+                      help="Read input from stdin")
+    parser.add_option("-d", "--domain",
+                      dest="domain", default="default",
+                      help="The domain to use the password in (default: default)",
+                      metavar="DOMNAME")
+    parser.add_option("-f", "--file",
+                      dest="filename", default=None,
+                      help="Set input file to FILE (default: Use system default, usually /etc/sssd/sssd.conf)",
+                      metavar="FILE")
+    (options, args) = parser.parse_args()
+
+    # If no password given as positional paramater, read up from stdin
+    if len(args) == 0:
+        options.stdin = True
+
+    return options, args
+
+def main():
+    options, args = parse_options()
+    if not options:
+        print >>sys.stderr, "Cannot parse options"
+        return 1
+
+    if not options.stdin:
+        try:
+            password = args[0]
+        except IndexError:  # should never happen
+            print "Missing password parameter!"
+            return 1
+    else:
+        try:
+            password = sys.stdin.read()
+        except KeyboardInterrupt:
+            return 1
+
+    # Obfuscate the password
+    obfobj = pysss.password()
+    obfpwd = obfobj.encrypt(password, obfobj.AES_256)
+
+    # Save the obfuscated password into the domain
+    sssdconfig = SSSDConfig.SSSDConfig()
+    try:
+        sssdconfig.import_config(options.filename)
+    except IOError:
+        print "Cannot open config file %s" % options.filename
+        return 1
+
+    try:
+        domain = sssdconfig.get_domain(options.domain)
+    except SSSDConfig.NoDomainError:
+        print "No such domain %s" % options.domain
+        return 1
+
+    try:
+        domain.set_option('ldap_default_authtok_type', 'obfuscated_password')
+        domain.set_option('ldap_default_authtok', obfpwd)
+    except SSSDConfig.NoOptionError:
+        print "The domain %s does not seem to support the required options" % \
+              options.domain
+        return 1
+
+
+    sssdconfig.save_domain(domain)
+    sssdconfig.write()
+    return 0
+
+if __name__ == "__main__":
+    ret = main()
+    sys.exit(ret)