/* Wait for append response. */
int
deliver_imap_waitappend(struct account *a, struct fetch_ctx *fctx,
struct io *io, char **line)
{
struct fetch_imap_data *data = a->data;
int tag;
for (;;) {
if (deliver_imap_poll(a, io) != 0) {
line = NULL;
return (IMAP_TAG_ERROR);
}
if (data->getln(a, fctx, line) != 0) {
line = NULL;
return (IMAP_TAG_ERROR);
}
if (*line == NULL)
continue;
tag = imap_tag(*line);
if (tag != IMAP_TAG_NONE)
break;
}
if (tag == IMAP_TAG_CONTINUE)
return (IMAP_TAG_CONTINUE);
if (tag != data->tag)
return (IMAP_TAG_ERROR);
return (tag);
}
/* GMail extensions body state. */
int
imap_state_gmext_body(struct account *a, struct fetch_ctx *fctx)
{
struct fetch_imap_data *data = a->data;
struct mail *m = fctx->mail;
char *line, *lb;
int tag;
u_int n;
uint64_t thrid, msgid;
size_t lblen;
for (;;) {
if (imap_getln(a, fctx, IMAP_RAW, &line) != 0)
return (FETCH_ERROR);
if (line == NULL)
return (FETCH_BLOCK);
tag = imap_tag(line);
if (tag == IMAP_TAG_NONE)
break;
if (tag == data->tag) {
fctx->state = imap_state_next;
return (FETCH_MAIL);
}
return (FETCH_ERROR);
}
if (sscanf(line, "* %u FETCH (X-GM-THRID %llu X-GM-MSGID %llu ", &n,
&thrid, &msgid) != 3)
return (imap_invalid(a, line));
if ((lb = strstr(line, "X-GM-LABELS")) == NULL)
return (imap_invalid(a, line));
if ((lb = strchr(lb, '(')) == NULL)
return (imap_invalid(a, line));
lb++; /* drop '(' */
lblen = strlen(lb);
if (lblen < 2 || lb[lblen - 1] != ')' || lb[lblen - 2] != ')')
return (imap_invalid(a, line));
lblen -= 2; /* drop '))' from the end */
add_tag(&m->tags, "gmail_msgid", "%llu", msgid);
add_tag(&m->tags, "gmail_thrid", "%llu", thrid);
add_tag(&m->tags, "gmail_labels", "%.*s", (int)lblen, lb);
fctx->state = imap_state_gmext_done;
return (FETCH_AGAIN);
}
/* User state. */
int
imap_state_user(struct account *a, struct fetch_ctx *fctx)
{
struct fetch_imap_data *data = a->data;
char *line;
int tag;
if (data->capa & IMAP_CAPA_NOSPACE) {
if (imap_getln(a, fctx, IMAP_CONTINUE, &line) != 0)
return (FETCH_ERROR);
if (line == NULL)
return (FETCH_BLOCK);
} else {
for (;;) {
if (imap_getln(a, fctx, IMAP_RAW, &line) != 0)
return (FETCH_ERROR);
if (line == NULL)
return (FETCH_BLOCK);
tag = imap_tag(line);
if (tag == IMAP_TAG_NONE)
continue;
if (tag == IMAP_TAG_CONTINUE || tag == data->tag)
break;
return (FETCH_ERROR);
}
if (tag != IMAP_TAG_CONTINUE) {
log_debug("%s: didn't accept user (%s); "
"trying without space", a->name, line);
data->capa |= IMAP_CAPA_NOSPACE;
return (imap_pick_auth(a, fctx));
}
}
if (imap_putln(a, "%s", data->pass) != 0)
return (FETCH_ERROR);
fctx->state = imap_state_pass;
return (FETCH_BLOCK);
}
/*
* Parse line based on type. Returns -1 on error, 0 on success, 1 to ignore
* this line.
*/
int
imap_parse(struct account *a, int type, char *line)
{
struct fetch_imap_data *data = a->data;
int tag;
if (type == IMAP_RAW)
return (0);
tag = imap_tag(line);
switch (type) {
case IMAP_TAGGED:
if (tag == IMAP_TAG_NONE)
return (1);
if (tag == IMAP_TAG_CONTINUE)
goto invalid;
if (tag != data->tag)
goto invalid;
break;
case IMAP_UNTAGGED:
if (tag != IMAP_TAG_NONE)
goto invalid;
break;
case IMAP_CONTINUE:
if (tag == IMAP_TAG_NONE)
return (1);
if (tag != IMAP_TAG_CONTINUE)
goto invalid;
break;
}
return (0);
invalid:
imap_bad(a, line);
return (-1);
}
