[PATCH v2 1/4] cli: add --from option to reply to restrict guessing of the From: header.

Jani Nikula jani at nikula.org
Sat Feb 4 14:07:41 PST 2012


On Sat,  4 Feb 2012 20:45:14 +0000, Mark Walters <markwalters1009 at gmail.com> wrote:
> Add an option --from= to notmuch-reply.c to restrict guessing of the
> From: header. The existing logic looks as the main headers, then at
> the delivery headers, and finally defaults to the config file address.
> 
> This patch allows the user to restrict which of these guesses are
> made.  Currently the supported values are:
>        default|fallback-all    current behaviour
>        fallback-received       fallback to delivery headers but not config file
>        fallback-none	       only look at from/reply-to/to/cc/ headers
>        none	 	       From: header is always left empty

The patch looks good. The "primary" option added in v2 is missing from
the commit message, but no need to send a new version because of that.

I didn't check the other patches in the series.

BR,
Jani.


> 
> If the code does not find an allowed address it outputs an empty From:
> line and the caller can decide how to respond.
> ---
>  notmuch-reply.c |   45 ++++++++++++++++++++++++++++++++++++---------
>  1 files changed, 36 insertions(+), 9 deletions(-)
> 
> diff --git a/notmuch-reply.c b/notmuch-reply.c
> index f55b1d2..8c73cb7 100644
> --- a/notmuch-reply.c
> +++ b/notmuch-reply.c
> @@ -24,6 +24,15 @@
>  #include "gmime-filter-reply.h"
>  #include "gmime-filter-headers.h"
>  
> +/* The order here matters as we use '<' when deciding how to behave. */
> +enum {
> +    FROM_FALLBACK_ALL,
> +    FROM_FALLBACK_RECEIVED,
> +    FROM_FALLBACK_NONE,
> +    FROM_NONE,
> +    FROM_PRIMARY
> +};
> +
>  static void
>  reply_headers_message_part (GMimeMessage *message);
>  
> @@ -510,7 +519,8 @@ notmuch_reply_format_default(void *ctx,
>  			     notmuch_config_t *config,
>  			     notmuch_query_t *query,
>  			     notmuch_show_params_t *params,
> -			     notmuch_bool_t reply_all)
> +			     notmuch_bool_t reply_all,
> +			     int from_select)
>  {
>      GMimeMessage *reply;
>      notmuch_messages_t *messages;
> @@ -542,15 +552,22 @@ notmuch_reply_format_default(void *ctx,
>  	from_addr = add_recipients_from_message (reply, config, message,
>  						 reply_all);
>  
> -	if (from_addr == NULL)
> +	if (from_addr == NULL && from_select <= FROM_FALLBACK_RECEIVED)
>  	    from_addr = guess_from_received_header (config, message);
>  
> -	if (from_addr == NULL)
> +	if ((from_addr == NULL && from_select <= FROM_FALLBACK_ALL) ||
> +	    from_select == FROM_PRIMARY)
>  	    from_addr = notmuch_config_get_user_primary_email (config);
>  
> -	from_addr = talloc_asprintf (ctx, "%s <%s>",
> -				     notmuch_config_get_user_name (config),
> -				     from_addr);
> +	/* If we have an address and we want an address print
> +	 * it. Otherwise set an empty From: header. */
> +	if (from_addr != NULL && from_select != FROM_NONE) {
> +	    from_addr = talloc_asprintf (ctx, "%s <%s>",
> +					 notmuch_config_get_user_name (config),
> +					 from_addr);
> +	} else {
> +	    from_addr = talloc_strdup (ctx, "");
> +	}
>  	g_mime_object_set_header (GMIME_OBJECT (reply),
>  				  "From", from_addr);
>  
> @@ -590,7 +607,8 @@ notmuch_reply_format_headers_only(void *ctx,
>  				  notmuch_config_t *config,
>  				  notmuch_query_t *query,
>  				  unused (notmuch_show_params_t *params),
> -				  notmuch_bool_t reply_all)
> +				  notmuch_bool_t reply_all,
> +				  unused (int from_select))
>  {
>      GMimeMessage *reply;
>      notmuch_messages_t *messages;
> @@ -657,10 +675,11 @@ notmuch_reply_command (void *ctx, int argc, char *argv[])
>      notmuch_query_t *query;
>      char *query_string;
>      int opt_index, ret = 0;
> -    int (*reply_format_func)(void *ctx, notmuch_config_t *config, notmuch_query_t *query, notmuch_show_params_t *params, notmuch_bool_t reply_all);
> +    int (*reply_format_func)(void *ctx, notmuch_config_t *config, notmuch_query_t *query, notmuch_show_params_t *params, notmuch_bool_t reply_all, int from_select);
>      notmuch_show_params_t params = { .part = -1 };
>      int format = FORMAT_DEFAULT;
>      int reply_all = TRUE;
> +    int from_select = FROM_FALLBACK_ALL;
>      notmuch_bool_t decrypt = FALSE;
>  
>      notmuch_opt_desc_t options[] = {
> @@ -672,6 +691,14 @@ notmuch_reply_command (void *ctx, int argc, char *argv[])
>  	  (notmuch_keyword_t []){ { "all", TRUE },
>  				  { "sender", FALSE },
>  				  { 0, 0 } } },
> +	{ NOTMUCH_OPT_KEYWORD, &from_select, "from", 'F',
> +	  (notmuch_keyword_t []){ { "default", FROM_FALLBACK_ALL },
> +				  { "fallback-all", FROM_FALLBACK_ALL },
> +				  { "fallback-received", FROM_FALLBACK_RECEIVED },
> +				  { "fallback-none", FROM_FALLBACK_NONE },
> +				  { "none", FROM_NONE },
> +				  { "primary", FROM_PRIMARY },
> +				  { 0, 0 } } },
>  	{ NOTMUCH_OPT_BOOLEAN, &decrypt, "decrypt", 'd', 0 },
>  	{ 0, 0, 0, 0, 0 }
>      };
> @@ -732,7 +759,7 @@ notmuch_reply_command (void *ctx, int argc, char *argv[])
>  	return 1;
>      }
>  
> -    if (reply_format_func (ctx, config, query, &params, reply_all) != 0)
> +    if (reply_format_func (ctx, config, query, &params, reply_all, from_select) != 0)
>  	return 1;
>  
>      notmuch_query_destroy (query);
> -- 
> 1.7.2.3
> 
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