static void check_envelope(struct index_mail *mail)
{
unsigned int cache_field_envelope =
mail->ibox->cache_fields[MAIL_CACHE_IMAP_ENVELOPE].idx;
unsigned int cache_field_hdr;
if ((index_mail_get_access_part(mail) & PARSE_HDR) != 0) {
mail->data.save_envelope = TRUE;
return;
}
/* if "imap.envelope" is cached, that's all we need */
if (mail_cache_field_exists(mail->trans->cache_view,
mail->mail.mail.seq,
cache_field_envelope) > 0)
return;
/* don't waste time doing full checks for all required
headers. assume that if we have "hdr.message-id" cached,
we don't need to parse the header. */
cache_field_hdr = mail_cache_register_lookup(mail->mail.mail.box->cache,
"hdr.message-id");
if (cache_field_hdr == (unsigned int)-1 ||
mail_cache_field_exists(mail->trans->cache_view,
mail->mail.mail.seq,
cache_field_hdr) <= 0)
mail->data.access_part |= PARSE_HDR;
mail->data.save_envelope = TRUE;
}
static void set_cache_decisions(struct mail_cache *cache,
const char *set, const char *fields,
enum mail_cache_decision_type dec)
{
struct mail_cache_field field;
const char *const *arr;
unsigned int idx;
if (fields == NULL || *fields == '\0')
return;
for (arr = t_strsplit_spaces(fields, " ,"); *arr != NULL; arr++) {
const char *name = *arr;
idx = mail_cache_register_lookup(cache, name);
if (idx != UINT_MAX) {
field = *mail_cache_register_get_field(cache, idx);
} else if (strncasecmp(name, "hdr.", 4) == 0) {
memset(&field, 0, sizeof(field));
field.name = name;
field.type = MAIL_CACHE_FIELD_HEADER;
} else {
i_error("%s: Unknown cache field name '%s', ignoring",
set, *arr);
continue;
}
field.decision = dec;
mail_cache_register_fields(cache, &field, 1);
}
}
void index_mail_parse_header(struct message_part *part,
struct message_header_line *hdr,
struct index_mail *mail)
{
struct mail *_mail = &mail->mail.mail;
struct index_mail_data *data = &mail->data;
unsigned int field_idx, count;
uint8_t *match;
data->parse_line_num++;
if (data->save_bodystructure_header) {
i_assert(part != NULL);
imap_bodystructure_parse_header(mail->mail.data_pool, part, hdr);
}
if (data->save_envelope) {
imap_envelope_parse_header(mail->mail.data_pool,
&data->envelope_data, hdr);
if (hdr == NULL)
index_mail_parse_finish_imap_envelope(mail);
}
if (hdr == NULL) {
/* end of headers */
if (mail->data.save_sent_date)
mail->data.sent_date_parsed = TRUE;
T_BEGIN {
index_mail_parse_header_finish(mail);
} T_END;
data->save_bodystructure_header = FALSE;
return;
}
if (!hdr->continued) {
T_BEGIN {
const char *cache_field_name =
t_strconcat("hdr.", hdr->name, NULL);
data->parse_line.field_idx =
mail_cache_register_lookup(_mail->box->cache,
cache_field_name);
} T_END;
}
