On 2021-11-22 10:02 -0800, Kevin J. McCarthy <ke...@8t8.us> wrote:
> On Mon, Nov 22, 2021 at 10:09:16AM -0600, Aaron Poffenberger wrote:
> > Lastly, the patch updates the documentation and changes the default
> > message_id_format from "<%z@%f>", to "<%z@%F>" so that Message-IDs are
> > always generated using the fqdn of the From address.
>
> I'm against changing the default. The behavior you're describing by AT&T is
> insane, and I don't believe Mutt's LHS randomization is strong enough to
> support the from address domain by default.
Fair enough. Just having the option to use %F is enough for me.
The attached patch removes that change.
>
> > diff --git a/messageid.c b/messageid.c
> > index e4ac4410..2ab63288 100644
> > --- a/messageid.c
> > +++ b/messageid.c
> > @@ -30,6 +30,7 @@ typedef struct msg_id_data
> > time_t now;
> > struct tm tm;
> > const char *fqdn;
> > + const char *from_fqdn;
> > } MSG_ID_DATA;
> >
> > -char *mutt_gen_msgid (void)
> > +char *mutt_gen_msgid (const char *from)
> > {
> > MSG_ID_DATA id_data;
> > BUFFER *buf, *tmp;
> > @@ -124,9 +129,17 @@ char *mutt_gen_msgid (void)
> > if (!(id_data.fqdn = mutt_fqdn(0)))
> > id_data.fqdn = NONULL(Hostname);
> >
> > + /* from should be a fully-formatted email address,
> > + * nevertheless, handle cases where the caller
> > + * sends just the fqdn or NULL. */
> > + if (!from)
> > + id_data.from_fqdn = id_data.fqdn;
> > + else if (!(id_data.from_fqdn = strchr (from, '@') + 1))
>
> If there is no '@' in from, it looks like id_data.from_fqdn would have value
> (NULL + 1).
>
> > + id_data.from_fqdn = from;
> > +
I tried to avoid that. The attached patch breaks out strchr from the test.
>
> --
> Kevin J. McCarthy
> GPG Fingerprint: 8975 A9B3 3AA3 7910 385C 5308 ADEF 7684 8031 6BDA
Cheers,
--Aaron
diff --git a/init.h b/init.h
index 0d920fcd..43374fdd 100644
--- a/init.h
+++ b/init.h
@@ -2210,6 +2210,7 @@ struct option_t MuttVars[] = {
** .dt %c .dd step counter looping from ``A'' to ``Z''
** .dt %d .dd current day of the month (GMT)
** .dt %f .dd $$hostname
+ ** .dt %F .dd From hostname (after @ in from address)
** .dt %H .dd current hour using a 24-hour clock (GMT)
** .dt %m .dd current month number (GMT)
** .dt %M .dd current minute of the hour (GMT)
diff --git a/messageid.c b/messageid.c
index e4ac4410..72b56ce4 100644
--- a/messageid.c
+++ b/messageid.c
@@ -30,6 +30,7 @@ typedef struct msg_id_data
time_t now;
struct tm tm;
const char *fqdn;
+ const char *from_fqdn;
} MSG_ID_DATA;
static const char *id_format_str (char *dest, size_t destlen, size_t col,
@@ -107,26 +108,47 @@ static const char *id_format_str (char *dest, size_t
destlen, size_t col,
case 'f':
mutt_format_s (dest, destlen, fmt, id_data->fqdn);
break;
+
+ case 'F':
+ mutt_format_s (dest, destlen, fmt, id_data->from_fqdn);
+ break;
}
return (src);
}
-char *mutt_gen_msgid (void)
+char *mutt_gen_msgid (const char *from)
{
MSG_ID_DATA id_data;
BUFFER *buf, *tmp;
const char *fmt;
char *rv;
+ char *from_fqdn;
id_data.now = time (NULL);
memcpy (&id_data.tm, gmtime (&id_data.now), sizeof(id_data.tm));
if (!(id_data.fqdn = mutt_fqdn(0)))
id_data.fqdn = NONULL(Hostname);
+ /* from should be a fully-formatted email address,
+ * nevertheless, handle cases where the caller
+ * sends just the fqdn or NULL. */
+ if (!from)
+ {
+ id_data.from_fqdn = id_data.fqdn;
+ }
+ else
+ {
+ from_fqdn = strchr (from, '@');
+ if (from_fqdn)
+ id_data.from_fqdn = from_fqdn;
+ else
+ id_data.from_fqdn = from;
+ }
+
fmt = MessageIdFormat;
if (!fmt)
- fmt = "<%z@%f>";
+ fmt = "<%z@%F>";
buf = mutt_buffer_pool_get ();
mutt_FormatString (buf->data, buf->dsize, 0, buf->dsize,
diff --git a/protos.h b/protos.h
index fae28c99..f85e1862 100644
--- a/protos.h
+++ b/protos.h
@@ -151,7 +151,7 @@ void mutt_buffer_expand_multi_path_norel (BUFFER *src,
const char *delimiter);
void mutt_buffer_remove_path_password (BUFFER *dest, const char *src);
char *mutt_find_hook (int, const char *);
char *mutt_gecos_name (char *, size_t, struct passwd *);
-char *mutt_gen_msgid (void);
+char *mutt_gen_msgid (const char *);
char *mutt_get_body_charset (char *, size_t, BODY *);
const char *mutt_get_name (ADDRESS *);
char *mutt_get_parameter (const char *, PARAMETER *);
diff --git a/sendlib.c b/sendlib.c
index 72f86e68..6334a3aa 100644
--- a/sendlib.c
+++ b/sendlib.c
@@ -2845,7 +2845,7 @@ void mutt_prepare_envelope (ENVELOPE *env, int final)
mutt_set_followup_to (env);
if (!env->message_id)
- env->message_id = mutt_gen_msgid ();
+ env->message_id = mutt_gen_msgid (env->from->mailbox);
}
/* Take care of 8-bit => 7-bit conversion. */
@@ -2908,7 +2908,7 @@ static int _mutt_bounce_message (FILE *fp, HEADER *h,
ADDRESS *to, const char *r
fprintf (f, "Resent-Date: %s\n", mutt_b2s (date));
mutt_buffer_pool_release (&date);
- msgid_str = mutt_gen_msgid();
+ msgid_str = mutt_gen_msgid(resent_from);
fprintf (f, "Resent-Message-ID: %s\n", msgid_str);
fputs ("Resent-To: ", f);
mutt_write_address_list (to, f, 11, 0);
