/* For command responses */
static CURLcode pop3_state_command_resp(struct connectdata *conn,
int pop3code,
pop3state instate)
{
CURLcode result = CURLE_OK;
struct SessionHandle *data = conn->data;
struct POP3 *pop3 = data->req.protop;
struct pop3_conn *pop3c = &conn->proto.pop3c;
struct pingpong *pp = &pop3c->pp;
(void)instate; /* no use for this yet */
if(pop3code != '+') {
state(conn, POP3_STOP);
return CURLE_RECV_ERROR;
}
/* This 'OK' line ends with a CR LF pair which is the two first bytes of the
EOB string so count this is two matching bytes. This is necessary to make
the code detect the EOB if the only data than comes now is %2e CR LF like
when there is no body to return. */
pop3c->eob = 2;
/* But since this initial CR LF pair is not part of the actual body, we set
the strip counter here so that these bytes won't be delivered. */
pop3c->strip = 2;
if(pop3->transfer == FTPTRANSFER_BODY) {
/* POP3 download */
Curl_setup_transfer(conn, FIRSTSOCKET, -1, FALSE, NULL, -1, NULL);
if(pp->cache) {
/* The header "cache" contains a bunch of data that is actually body
content so send it as such. Note that there may even be additional
"headers" after the body */
if(!data->set.opt_no_body) {
result = Curl_pop3_write(conn, pp->cache, pp->cache_size);
if(result)
return result;
}
/* Free the cache */
Curl_safefree(pp->cache);
/* Reset the cache size */
pp->cache_size = 0;
}
}
/* End of DO phase */
state(conn, POP3_STOP);
return result;
}
/* for the list response */
static CURLcode pop3_state_list_resp(struct connectdata *conn,
int pop3code,
pop3state instate)
{
CURLcode result = CURLE_OK;
struct SessionHandle *data = conn->data;
struct FTP *pop3 = data->state.proto.pop3;
struct pop3_conn *pop3c = &conn->proto.pop3c;
struct pingpong *pp = &pop3c->pp;
(void)instate; /* no use for this yet */
if('O' != pop3code) {
state(conn, POP3_STOP);
return CURLE_RECV_ERROR;
}
/* This 'OK' line ends with a CR LF pair which is the two first bytes of the
EOB string so count this is two matching bytes. This is necessary to make
the code detect the EOB if the only data than comes now is %2e CR LF like
when there is no body to return. */
pop3c->eob = 2;
/* But since this initial CR LF pair is not part of the actual body, we set
the strip counter here so that these bytes won't be delivered. */
pop3c->strip = 2;
/* POP3 download */
Curl_setup_transfer(conn, FIRSTSOCKET, -1, FALSE, pop3->bytecountp,
-1, NULL); /* no upload here */
if(pp->cache) {
/* cache holds the email ID listing */
/* we may get the EOB already here! */
result = Curl_pop3_write(conn, pp->cache, pp->cache_size);
if(result)
return result;
/* cache is drained */
free(pp->cache);
pp->cache = NULL;
pp->cache_size = 0;
}
state(conn, POP3_STOP);
return result;
}
/* for the retr response */
static CURLcode pop3_state_retr_resp(struct connectdata *conn,
int pop3code,
pop3state instate)
{
CURLcode result = CURLE_OK;
struct SessionHandle *data = conn->data;
struct FTP *pop3 = data->state.proto.pop3;
struct pop3_conn *pop3c = &conn->proto.pop3c;
struct pingpong *pp = &pop3c->pp;
(void)instate; /* no use for this yet */
if('O' != pop3code) {
state(conn, POP3_STOP);
return CURLE_RECV_ERROR;
}
/* POP3 download */
result=Curl_setup_transfer(conn, FIRSTSOCKET, -1, FALSE,
pop3->bytecountp,
-1, NULL); /* no upload here */
if(pp->cache) {
/* At this point there is a bunch of data in the header "cache" that is
actually body content, send it as body and then skip it. Do note
that there may even be additional "headers" after the body. */
/* we may get the EOB already here! */
result = Curl_pop3_write(conn, pp->cache, pp->cache_size);
if(result)
return result;
/* cache is drained */
free(pp->cache);
pp->cache = NULL;
pp->cache_size = 0;
}
state(conn, POP3_STOP);
return result;
}
/* for the list response */
static CURLcode pop3_state_list_resp(struct connectdata *conn,
int pop3code,
pop3state instate)
{
CURLcode result = CURLE_OK;
struct SessionHandle *data = conn->data;
struct FTP *pop3 = data->state.proto.pop3;
struct pop3_conn *pop3c = &conn->proto.pop3c;
struct pingpong *pp = &pop3c->pp;
(void)instate; /* no use for this yet */
if('O' != pop3code) {
state(conn, POP3_STOP);
return CURLE_RECV_ERROR;
}
/* POP3 download */
result=Curl_setup_transfer(conn, FIRSTSOCKET, -1, FALSE,
pop3->bytecountp,
-1, NULL); /* no upload here */
if(pp->cache) {
/* cache holds the email ID listing */
/* we may get the EOB already here! */
result = Curl_pop3_write(conn, pp->cache, pp->cache_size);
if(result)
return result;
/* cache is drained */
free(pp->cache);
pp->cache = NULL;
pp->cache_size = 0;
}
state(conn, POP3_STOP);
return result;
}
