From cbf43d8c768bf09773572f46a34c70303bebcbbe Mon Sep 17 00:00:00 2001
From: David Runge <dave@sleepmap.de>
Date: Thu, 22 Oct 2015 13:01:33 +0200
Subject: bin/generate_pgp_auto: Adding script to generate mutt send-hooks for
 mail addresses with valid gpg keys, to be able to automatically send
 encrypted mail.

---
 bin/generate_pgp_auto | 69 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100755 bin/generate_pgp_auto

(limited to 'bin/generate_pgp_auto')

diff --git a/bin/generate_pgp_auto b/bin/generate_pgp_auto
new file mode 100755
index 0000000..d9db27b
--- /dev/null
+++ b/bin/generate_pgp_auto
@@ -0,0 +1,69 @@
+#!/bin/bash
+# ~/.mutt/generate_pgp_auto
+# Generate mutt pgp_auto* send-hooks from gpg pubring.
+# Redirect output to file and source that in muttrc.
+# Add the global hook _before_ sourcing the list:
+# send-hook . 'reset pgp_autoencrypt'
+# -=*# created by erAck #*=- CopyLeft Eike Rathke 2008-01-08T01:36+0100
+
+# At least in an UTF-8 environment sed gets confused by 8-bit characters in
+# real names and doesn't match the address anymore, an empty LANG variable
+# works around.
+LANG=
+
+# Output file
+output="$HOME/.mutt/gpg-auto.rc"
+
+# if the file exists, delete it
+if [ -f "${output}" ]; then
+  rm "${output}"
+fi
+
+# 2nd gpg colon field:
+# d := disabled (deprecated - use the 'D' in field 12 instead)
+# e := expired
+# r := revoked
+
+# Note that the following lines are part of the sed script passed by the shell
+# and may not contain the ' character! Hence the double backslash in mail
+# addresses to escape the regex . dot meta character for Mutt.
+#gpg --list-keys --with-colons --fixed-list-mode --no-secmem-warning
+gpg --list-keys --with-colons --fixed-list-mode --no-secmem-warning | sed -ne '
+
+:START
+
+# ignore d|e|r keys
+/^pub:[der]:/ b IGNORE
+
+# ignore disabled keys, D in last field (12)
+/^pub:.*D[^:]*:$/ b IGNORE
+
+# take keys with encryption capability (E in last field), ignore without and
+# other records like ^tru:
+#/^pub:.*E[^:]*:$/ ! b IGNORE
+
+# extract uids and convert address to mutt hook and print
+:EXTRACT
+# ignore non-uid or no address
+/^uid:[^der]:[^<]*<\([^:>]\+@[^:>]\+\)>/ ! b NUSKIP
+# extract address
+# somehow the colon part after \)> is needed to not produce a trailing : in output
+# sed buffer problem?
+s/^uid:[^der]:[^<]*<\([^:>]\+@[^:>]\+\)>[^:]*:/\1/
+# escape dot meta characters, with escaped backslash for mutt
+s/\./\\\\./g
+# print hook
+s/\(.*\)/send-hook "!~l ~t \1" "set crypt_autoencrypt"/p
+:NUSKIP
+n
+/^pub:/ b START
+b EXTRACT
+
+# ignore entire key with uid/sub/... until next pub is encountered
+:IGNORE
+n
+/^pub:/ b START
+b IGNORE
+
+' | egrep -v 'WhatYouDontWantInThisList@example\\\\\.org' | sort -u > ${output}
+# Note the triple escaped backslash!
-- 
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