doveadm fetch: Add mime.parts field

This is mainly useful for debugging/testing. It writes the internally
parsed message_parts which are usually in dovecot.index.cache.

diff --git a/src/doveadm/doveadm-mail-fetch.c b/src/doveadm/doveadm-mail-fetch.c
index f7ed0160a4b79afe26a6496defaefa02d6631a2d..98bea6479dd683b64b8dc8cabe7af8cac41bc03b 100644 (file)
--- a/src/doveadm/doveadm-mail-fetch.c
+++ b/src/doveadm/doveadm-mail-fetch.c
@@ -439,6 +439,48 @@ static int fetch_imap_bodystructure(struct fetch_cmd_context *ctx)
        doveadm_print(value);
        return 0;
 }
+
+static void
+fetch_message_part_append_size(string_t *str, const struct message_size *size)
+{
+       str_printfa(str, "(virtual=%"PRIuUOFF_T",physical=%"PRIuUOFF_T
+                   ",lines=%u)", size->virtual_size, size->physical_size,
+                   size->lines);
+}
+
+static void
+fetch_message_parts_append(string_t *str, unsigned int indent,
+                         const struct message_part *parts)
+{
+       const struct message_part *part;
+
+       for (part = parts; part != NULL; part = part->next) {
+               str_append_c(str, '\n');
+               for (unsigned int i = 0; i < indent; i++)
+                       str_append(str, "  ");
+               str_printfa(str, "- pos=%"PRIuUOFF_T" hdr_size=",
+                           part->physical_pos);
+               fetch_message_part_append_size(str, &part->header_size);
+               str_append(str, " body_size=");
+               fetch_message_part_append_size(str, &part->body_size);
+               str_printfa(str, " flags=0x%x", part->flags);
+               fetch_message_parts_append(str, indent+1, part->children);
+       }
+}
+
+static int fetch_mime_parts(struct fetch_cmd_context *ctx)
+{
+       struct message_part *parts;
+
+       if (mail_get_parts(ctx->mail, &parts) < 0)
+               return -1;
+
+       string_t *str = t_str_new(128);
+       fetch_message_parts_append(str, 0, parts);
+       doveadm_print(str_c(str));
+       return 0;
+}
+
 static int fetch_pop3_uidl(struct fetch_cmd_context *ctx)
 {
        const char *value;
@@ -507,6 +549,7 @@ static const struct fetch_field fetch_fields[] = {
        { "imap.envelope", MAIL_FETCH_IMAP_ENVELOPE, fetch_imap_envelope },
        { "imap.body",     MAIL_FETCH_IMAP_BODY,     fetch_imap_body },
        { "imap.bodystructure", MAIL_FETCH_IMAP_BODYSTRUCTURE, fetch_imap_bodystructure },
+       { "mime.parts",    MAIL_FETCH_MESSAGE_PARTS, fetch_mime_parts },
        { "pop3.uidl",     MAIL_FETCH_UIDL_BACKEND,  fetch_pop3_uidl },
        { "pop3.order",    MAIL_FETCH_POP3_ORDER,    fetch_pop3_order },
        { "refcount",      MAIL_FETCH_REFCOUNT,      fetch_refcount },