static const char *
guess_from_received_header (notmuch_config_t *config, notmuch_message_t *message)
{
- const char *received,*primary,*by;
- const char **other;
- char *tohdr;
+ const char *addr, *received, *by;
char *mta,*ptr,*token;
char *domain=NULL;
char *tld=NULL;
const char *delim=". \t";
- size_t i,j,other_len;
+ size_t i;
const char *to_headers[] = {"Envelope-to", "X-Original-To"};
- primary = notmuch_config_get_user_primary_email (config);
- other = notmuch_config_get_user_other_email (config, &other_len);
-
/* sadly, there is no standard way to find out to which email
* address a mail was delivered - what is in the headers depends
* on the MTAs used along the way. So we are trying a number of
* 'by' part of Received headers
* If none of these work, we give up and return NULL
*/
- for (i = 0; i < sizeof(to_headers)/sizeof(*to_headers); i++) {
- tohdr = xstrdup(notmuch_message_get_header (message, to_headers[i]));
- if (tohdr && *tohdr) {
- /* tohdr is potentialy a list of email addresses, so here we
- * check if one of the email addresses is a substring of tohdr
- */
- if (strcasestr(tohdr, primary)) {
- free(tohdr);
- return primary;
- }
- for (j = 0; j < other_len; j++)
- if (strcasestr (tohdr, other[j])) {
- free(tohdr);
- return other[j];
- }
- free(tohdr);
- }
+ for (i = 0; i < ARRAY_SIZE (to_headers); i++) {
+ const char *tohdr = notmuch_message_get_header (message, to_headers[i]);
+
+ /* Note: tohdr potentially contains a list of email addresses. */
+ addr = user_address_in_string (tohdr, config);
+ if (addr)
+ return addr;
}
/* We get the concatenated Received: headers and search from the
* header
*/
ptr = strstr (received, " for ");
- if (ptr) {
- /* the text following is potentialy a list of email addresses,
- * so again we check if one of the email addresses is a
- * substring of ptr
- */
- if (strcasestr(ptr, primary)) {
- return primary;
- }
- for (i = 0; i < other_len; i++)
- if (strcasestr (ptr, other[i])) {
- return other[i];
- }
- }
+
+ /* Note: ptr potentially contains a list of email addresses. */
+ addr = user_address_in_string (ptr, config);
+ if (addr)
+ return addr;
+
/* Finally, we parse all the " by MTA ..." headers to guess the
* email address that this was originally delivered to.
* We extract just the MTA here by removing leading whitespace and
*/
*(tld-1) = '.';
- if (strcasestr(primary, domain)) {
- free(mta);
- return primary;
+ addr = string_in_user_address (domain, config);
+ if (addr) {
+ free (mta);
+ return addr;
}
- for (i = 0; i < other_len; i++)
- if (strcasestr (other[i],domain)) {
- free(mta);
- return other[i];
- }
}
free (mta);
}