static void pop3_gen_send(Pop3Session *session, const gchar *format, ...)
{
gchar buf[POPBUFSIZE + 1];
va_list args;
va_start(args, format);
g_vsnprintf(buf, sizeof(buf) - 2, format, args);
va_end(args);
if (!g_ascii_strncasecmp(buf, "PASS ", 5))
log_print(LOG_PROTOCOL, "POP3> PASS ********\n");
else
log_print(LOG_PROTOCOL, "POP3> %s\n", buf);
session_send_msg(SESSION(session), SESSION_MSG_NORMAL, buf);
}
static gint smtp_ehlo(SMTPSession *session)
{
gchar buf[MESSAGEBUFSIZE];
session->state = SMTP_EHLO;
session->avail_auth_type = 0;
g_snprintf(buf, sizeof(buf), "EHLO %s",
session->hostname ? session->hostname : get_domain_name());
if (session_send_msg(SESSION(session), SESSION_MSG_NORMAL, buf) < 0)
return SM_ERROR;
log_print(LOG_PROTOCOL, "ESMTP> %s\n", buf);
return SM_OK;
}
static gint smtp_auth_login_user_recv(SMTPSession *session, const gchar *msg)
{
gchar buf[MSGBUFSIZE];
session->state = SMTP_AUTH_LOGIN_PASS;
if (!strncmp(msg, "334 ", 4))
base64_encode(buf, session->pass, strlen(session->pass));
else
/* Server rejects AUTH */
g_snprintf(buf, sizeof(buf), "*");
session_send_msg(SESSION(session), SESSION_MSG_NORMAL, buf);
log_print("ESMTP> [PASSWORD]\n");
return SM_OK;
}
int main(int argc, char** argv){
parse_command_arguments(argc,argv);
// for now we take the first arg and use it as the filename for xml
std::cout << "resoundnv server v0.0.1\n";
std::cout << "Loading config from " << g_options.inputXML_ << std::endl;
// loading and parsing the xml
// try
// {
xmlpp::DomParser parser;
parser.set_validate(false);
parser.set_substitute_entities(); //We just want the text to be resolved/unescaped automatically.
parser.parse_file(g_options.inputXML_);
if(parser){
const xmlpp::Node* pNode = parser.get_document()->get_root_node(); //deleted by DomParser.
const xmlpp::Element* nodeElement = dynamic_cast<const xmlpp::Element*>(pNode);
if(nodeElement)
{
std::string name = nodeElement->get_name();
if(name=="resoundnv"){
std::cout << "Resoundnv XML node found, building session.\n";
g_session = new ResoundSession(g_options);
APP().set_session(g_session);
SESSION().load_from_xml(nodeElement);
}
}
}
// }
// catch(const std::exception& ex){
// std::cout << "XML Initialisation file parsing exception what()=" << ex.what() << std::endl;
// std::cout << "Server cannot continue"<< std::endl;
// std::exit(1);
// }
signal(SIGINT, handle_sigint);
g_continue = true;
while(g_continue){ // TODO this should really listen for incoming signals, see unix programming book.
usleep(100000); // around 10 fps
// use this thread to send some feedback
//session->update_clients();
if(g_session) g_session->send_osc_feedback();
}
delete g_session; // should invoke destructor
g_session=0;
return 0;
}
Session *smtp_session_new(void)
{
SMTPSession *session;
session = g_new0(SMTPSession, 1);
session_init(SESSION(session));
SESSION(session)->type = SESSION_SMTP;
SESSION(session)->recv_msg = smtp_session_recv_msg;
SESSION(session)->recv_data_finished = NULL;
SESSION(session)->send_data_finished = smtp_session_send_data_finished;
SESSION(session)->destroy = smtp_session_destroy;
session->state = SMTP_READY;
#if USE_OPENSSL
session->tls_init_done = FALSE;
#endif
session->hostname = NULL;
session->user = NULL;
session->pass = NULL;
session->from = NULL;
session->to_list = NULL;
session->cur_to = NULL;
session->send_data = NULL;
session->send_data_len = 0;
session->max_message_size = -1;
session->avail_auth_type = 0;
session->forced_auth_type = 0;
session->auth_type = 0;
session->esmtp_flags = 0;
session->error_val = SM_OK;
session->error_msg = NULL;
return SESSION(session);
}
Session *pop3_session_new(PrefsAccount *account)
{
Pop3Session *session;
cm_return_val_if_fail(account != NULL, NULL);
account->receive_in_progress = TRUE;
session = g_new0(Pop3Session, 1);
session_init(SESSION(session), account, FALSE);
SESSION(session)->type = SESSION_POP3;
SESSION(session)->recv_msg = pop3_session_recv_msg;
SESSION(session)->recv_data_finished = pop3_session_recv_data_finished;
SESSION(session)->send_data_finished = NULL;
SESSION(session)->ssl_cert_auto_accept = account->ssl_certs_auto_accept;
SESSION(session)->destroy = pop3_session_destroy;
#ifdef USE_GNUTLS
if (account->set_gnutls_priority && account->gnutls_priority &&
strlen(account->gnutls_priority) != 0)
SESSION(session)->gnutls_priority = g_strdup(account->gnutls_priority);
#endif
session->state = POP3_READY;
session->ac_prefs = account;
session->pop_before_smtp = FALSE;
pop3_get_uidl_table(account, session);
session->current_time = time(NULL);
session->error_val = PS_SUCCESS;
session->error_msg = NULL;
return SESSION(session);
}
static Session *news_session_new(Folder *folder, const gchar *server, gushort port,
const gchar *userid, const gchar *passwd)
#endif
{
NewsSession *session;
int r = 0;
cm_return_val_if_fail(server != NULL, NULL);
log_message(LOG_PROTOCOL, _("Account '%s': Connecting to NNTP server: %s:%d...\n"),
folder->account->account_name, server, port);
session = g_new0(NewsSession, 1);
session_init(SESSION(session), folder->account, FALSE);
SESSION(session)->type = SESSION_NEWS;
SESSION(session)->server = g_strdup(server);
SESSION(session)->port = port;
SESSION(session)->sock = NULL;
SESSION(session)->destroy = news_session_destroy;
nntp_init(folder);
#ifdef USE_GNUTLS
if (ssl_type != SSL_NONE)
r = nntp_threaded_connect_ssl(folder, server, port);
else
#endif
r = nntp_threaded_connect(folder, server, port);
if (r != NEWSNNTP_NO_ERROR) {
log_error(LOG_PROTOCOL, _("Error logging in to %s:%d...\n"), server, port);
session_destroy(SESSION(session));
return NULL;
}
session->folder = folder;
return SESSION(session);
}
static gint smtp_rcpt(SMTPSession *session)
{
gchar buf[MSGBUFSIZE];
gchar *to;
g_return_val_if_fail(session->cur_to != NULL, SM_ERROR);
session->state = SMTP_RCPT;
to = (gchar *)session->cur_to->data;
if (strchr(to, '<'))
g_snprintf(buf, sizeof(buf), "RCPT TO:%s", to);
else
g_snprintf(buf, sizeof(buf), "RCPT TO:<%s>", to);
session_send_msg(SESSION(session), SESSION_MSG_NORMAL, buf);
log_print("SMTP> %s\n", buf);
session->cur_to = session->cur_to->next;
return SM_OK;
}
static gint smtp_auth_login_user_recv(SMTPSession *session, const gchar *msg)
{
gchar *tmp;
session->state = SMTP_AUTH_LOGIN_PASS;
if (!strncmp(msg, "334 ", 4)) {
tmp = g_base64_encode(session->pass, strlen(session->pass));
} else {
/* Server rejects AUTH */
tmp = g_strdup("*");
}
if (session_send_msg(SESSION(session), SESSION_MSG_NORMAL, tmp) < 0) {
g_free(tmp);
return SM_ERROR;
}
g_free(tmp);
log_print(LOG_PROTOCOL, "ESMTP> [PASSWORD]\n");
return SM_OK;
}
static gint session_connect_cb(SockInfo *sock, gpointer data)
{
Session *session = SESSION(data);
session->conn_id = 0;
if (!sock) {
g_warning("can't connect to server.");
session->state = SESSION_ERROR;
return -1;
}
session->sock = sock;
#if USE_OPENSSL
if (session->ssl_type == SSL_TUNNEL) {
sock_set_nonblocking_mode(sock, FALSE);
if (!ssl_init_socket(sock)) {
g_warning("can't initialize SSL.");
session->state = SESSION_ERROR;
return -1;
}
}
#endif
sock_set_nonblocking_mode(sock, session->nonblocking);
debug_print("session (%p): connected\n", session);
session->state = SESSION_RECV;
session->io_tag = sock_add_watch(session->sock, G_IO_IN,
session_read_msg_cb,
session);
return 0;
}
static gint smtp_auth_recv(SMTPSession *session, const gchar *msg)
{
gchar buf[MSGBUFSIZE];
switch (session->auth_type) {
case SMTPAUTH_LOGIN:
session->state = SMTP_AUTH_LOGIN_USER;
if (!strncmp(msg, "334 ", 4)) {
base64_encode(buf, session->user, strlen(session->user));
session_send_msg(SESSION(session), SESSION_MSG_NORMAL,
buf);
log_print("ESMTP> [USERID]\n");
} else {
/* Server rejects AUTH */
session_send_msg(SESSION(session), SESSION_MSG_NORMAL,
"*");
log_print("ESMTP> *\n");
}
break;
case SMTPAUTH_CRAM_MD5:
session->state = SMTP_AUTH_CRAM_MD5;
if (!strncmp(msg, "334 ", 4)) {
gchar *response;
gchar *response64;
gchar *challenge;
gint challengelen;
guchar hexdigest[33];
challenge = g_malloc(strlen(msg + 4) + 1);
challengelen = base64_decode(challenge, msg + 4, -1);
challenge[challengelen] = '\0';
log_print("ESMTP< [Decoded: %s]\n", challenge);
g_snprintf(buf, sizeof(buf), "%s", session->pass);
md5_hex_hmac(hexdigest, challenge, challengelen,
buf, strlen(session->pass));
g_free(challenge);
response = g_strdup_printf
("%s %s", session->user, hexdigest);
log_print("ESMTP> [Encoded: %s]\n", response);
response64 = g_malloc((strlen(response) + 3) * 2 + 1);
base64_encode(response64, response, strlen(response));
g_free(response);
session_send_msg(SESSION(session), SESSION_MSG_NORMAL,
response64);
log_print("ESMTP> %s\n", response64);
g_free(response64);
} else {
/* Server rejects AUTH */
session_send_msg(SESSION(session), SESSION_MSG_NORMAL,
"*");
log_print("ESMTP> *\n");
}
break;
case SMTPAUTH_DIGEST_MD5:
default:
/* stop smtp_auth when no correct authtype */
session_send_msg(SESSION(session), SESSION_MSG_NORMAL, "*");
log_print("ESMTP> *\n");
break;
}
return SM_OK;
}
static gboolean session_read_data_cb(SockInfo *source, GIOCondition condition,
gpointer data)
{
Session *session = SESSION(data);
GByteArray *data_buf;
gint terminator_len;
gboolean complete = FALSE;
guint data_len;
gint ret;
g_return_val_if_fail(condition == G_IO_IN, FALSE);
session_set_timeout(session, session->timeout_interval);
if (session->read_buf_len == 0) {
gint read_len;
read_len = sock_read(session->sock, session->read_buf,
SESSION_BUFFSIZE);
if (read_len == 0) {
g_warning("sock_read: received EOF\n");
session->state = SESSION_EOF;
return FALSE;
}
if (read_len < 0) {
switch (errno) {
case EAGAIN:
return TRUE;
default:
g_warning("sock_read: %s\n", g_strerror(errno));
session->state = SESSION_ERROR;
return FALSE;
}
}
session->read_buf_len = read_len;
}
data_buf = session->read_data_buf;
terminator_len = strlen(session->read_data_terminator);
if (session->read_buf_len == 0)
return TRUE;
g_byte_array_append(data_buf, session->read_buf_p,
session->read_buf_len);
session->read_buf_len = 0;
session->read_buf_p = session->read_buf;
/* check if data is terminated */
if (data_buf->len >= terminator_len) {
if (memcmp(data_buf->data, session->read_data_terminator,
terminator_len) == 0)
complete = TRUE;
else if (data_buf->len >= terminator_len + 2 &&
memcmp(data_buf->data + data_buf->len -
(terminator_len + 2), "\r\n", 2) == 0 &&
memcmp(data_buf->data + data_buf->len -
terminator_len, session->read_data_terminator,
terminator_len) == 0)
complete = TRUE;
}
/* incomplete read */
if (!complete) {
struct timeval tv_cur;
gettimeofday(&tv_cur, NULL);
if (tv_cur.tv_sec - session->tv_prev.tv_sec > 0 ||
tv_cur.tv_usec - session->tv_prev.tv_usec >
UI_REFRESH_INTERVAL) {
session->recv_data_progressive_notify
(session, data_buf->len, 0,
session->recv_data_progressive_notify_data);
gettimeofday(&session->tv_prev, NULL);
}
return TRUE;
}
/* complete */
if (session->io_tag > 0) {
g_source_remove(session->io_tag);
session->io_tag = 0;
}
data_len = data_buf->len - terminator_len;
/* callback */
ret = session->recv_data_finished(session, (gchar *)data_buf->data,
data_len);
g_byte_array_set_size(data_buf, 0);
session->recv_data_notify(session, data_len,
session->recv_data_notify_data);
if (ret < 0)
session->state = SESSION_ERROR;
return FALSE;
}
static gboolean session_read_msg_cb(SockInfo *source, GIOCondition condition,
gpointer data)
{
Session *session = SESSION(data);
gchar buf[SESSION_BUFFSIZE];
gint line_len;
gchar *newline;
gchar *msg;
gint ret;
g_return_val_if_fail(condition == G_IO_IN, FALSE);
session_set_timeout(session, session->timeout_interval);
if (session->read_buf_len == 0) {
gint read_len;
read_len = sock_read(session->sock, session->read_buf,
SESSION_BUFFSIZE - 1);
if (read_len == 0) {
g_warning("sock_read: received EOF\n");
session->state = SESSION_EOF;
return FALSE;
}
if (read_len < 0) {
switch (errno) {
case EAGAIN:
return TRUE;
default:
g_warning("sock_read: %s\n", g_strerror(errno));
session->state = SESSION_ERROR;
return FALSE;
}
}
session->read_buf_len = read_len;
}
if ((newline = memchr(session->read_buf_p, '\n', session->read_buf_len))
!= NULL)
line_len = newline - session->read_buf_p + 1;
else
line_len = session->read_buf_len;
if (line_len == 0)
return TRUE;
memcpy(buf, session->read_buf_p, line_len);
buf[line_len] = '\0';
g_string_append(session->read_msg_buf, buf);
session->read_buf_len -= line_len;
if (session->read_buf_len == 0)
session->read_buf_p = session->read_buf;
else
session->read_buf_p += line_len;
/* incomplete read */
if (buf[line_len - 1] != '\n')
return TRUE;
/* complete */
if (session->io_tag > 0) {
g_source_remove(session->io_tag);
session->io_tag = 0;
}
/* callback */
msg = g_strdup(session->read_msg_buf->str);
strretchomp(msg);
g_string_truncate(session->read_msg_buf, 0);
ret = session->recv_msg(session, msg);
session->recv_msg_notify(session, msg, session->recv_msg_notify_data);
g_free(msg);
if (ret < 0)
session->state = SESSION_ERROR;
return FALSE;
}
static gint sieve_auth_recv(SieveSession *session, const gchar *msg)
{
gchar buf[MESSAGEBUFSIZE], *tmp;
switch (session->auth_type) {
case SIEVEAUTH_LOGIN:
session->state = SIEVE_AUTH_LOGIN_USER;
if (strstr(msg, "VXNlcm5hbWU6")) {
tmp = g_base64_encode(session->user, strlen(session->user));
g_snprintf(buf, sizeof(buf), "\"%s\"", tmp);
if (session_send_msg(SESSION(session), SESSION_MSG_NORMAL, buf) < 0) {
g_free(tmp);
return SE_ERROR;
}
g_free(tmp);
log_print(LOG_PROTOCOL, "Sieve> [USERID]\n");
} else {
/* Server rejects AUTH */
if (session_send_msg(SESSION(session), SESSION_MSG_NORMAL,
"\"*\"") < 0)
return SE_ERROR;
log_print(LOG_PROTOCOL, "Sieve> *\n");
}
break;
case SIEVEAUTH_CRAM_MD5:
session->state = SIEVE_AUTH_CRAM_MD5;
if (msg[0] == '"') {
gchar *response;
gchar *response64;
gchar *challenge, *tmp;
gsize challengelen;
guchar hexdigest[33];
tmp = g_base64_decode(msg + 1, &challengelen);
challenge = g_strndup(tmp, challengelen);
g_free(tmp);
log_print(LOG_PROTOCOL, "Sieve< [Decoded: %s]\n", challenge);
g_snprintf(buf, sizeof(buf), "%s", session->pass);
md5_hex_hmac(hexdigest, challenge, challengelen,
buf, strlen(session->pass));
g_free(challenge);
response = g_strdup_printf
("%s %s", session->user, hexdigest);
log_print(LOG_PROTOCOL, "Sieve> [Encoded: %s]\n", response);
response64 = g_base64_encode(response, strlen(response));
g_free(response);
response = g_strdup_printf("\"%s\"", response64);
g_free(response64);
if (session_send_msg(SESSION(session), SESSION_MSG_NORMAL,
response) < 0) {
g_free(response);
return SE_ERROR;
}
log_print(LOG_PROTOCOL, "Sieve> %s\n", response);
g_free(response);
} else {
/* Server rejects AUTH */
if (session_send_msg(SESSION(session), SESSION_MSG_NORMAL,
"\"*\"") < 0)
return SE_ERROR;
log_print(LOG_PROTOCOL, "Sieve> *\n");
}
break;
default:
/* stop sieve_auth when no correct authtype */
if (session_send_msg(SESSION(session), SESSION_MSG_NORMAL, "*") < 0)
return SE_ERROR;
log_print(LOG_PROTOCOL, "Sieve> *\n");
break;
}
return SE_OK;
}
static IncState inc_pop3_session_do(IncSession *session)
{
Pop3Session *pop3_session = POP3_SESSION(session->session);
IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
gchar *server;
gchar *account_name;
gushort port;
gchar *buf;
debug_print("getting new messages of account %s...\n",
pop3_session->ac_prefs->account_name);
pop3_session->ac_prefs->last_pop_login_time = time(NULL);
buf = g_strdup_printf(_("%s: Retrieving new messages"),
pop3_session->ac_prefs->recv_server);
gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window), buf);
g_free(buf);
server = pop3_session->ac_prefs->recv_server;
account_name = pop3_session->ac_prefs->account_name;
#ifdef USE_GNUTLS
port = pop3_session->ac_prefs->set_popport ?
pop3_session->ac_prefs->popport :
pop3_session->ac_prefs->ssl_pop == SSL_TUNNEL ? 995 : 110;
SESSION(pop3_session)->ssl_type = pop3_session->ac_prefs->ssl_pop;
if (pop3_session->ac_prefs->ssl_pop != SSL_NONE)
SESSION(pop3_session)->nonblocking =
pop3_session->ac_prefs->use_nonblocking_ssl;
#else
if (pop3_session->ac_prefs->ssl_pop != SSL_NONE) {
if (alertpanel_full(_("Insecure connection"),
_("This connection is configured to be secured "
"using SSL, but SSL is not available in this "
"build of Claws Mail. \n\n"
"Do you want to continue connecting to this "
"server? The communication would not be "
"secure."),
GTK_STOCK_CANCEL, _("Con_tinue connecting"),
NULL, FALSE, NULL, ALERT_WARNING,
G_ALERTDEFAULT) != G_ALERTALTERNATE)
return INC_CANCEL;
}
port = pop3_session->ac_prefs->set_popport ?
pop3_session->ac_prefs->popport : 110;
#endif
buf = g_strdup_printf(_("Account '%s': Connecting to POP3 server: %s:%d..."),
account_name, server, port);
statuswindow_print_all("%s", buf);
log_message(LOG_PROTOCOL, "%s\n", buf);
progress_dialog_set_label(inc_dialog->dialog, buf);
GTK_EVENTS_FLUSH();
g_free(buf);
session_set_timeout(SESSION(pop3_session),
prefs_common.io_timeout_secs * 1000);
if (session_connect(SESSION(pop3_session), server, port) < 0) {
if(!prefs_common.no_recv_err_panel) {
if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
((prefs_common.recv_dialog_mode == RECV_DIALOG_MANUAL) && focus_window)) {
manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
}
alertpanel_error(_("Can't connect to POP3 server: %s:%d"),
server, port);
manage_window_focus_out(inc_dialog->dialog->window, NULL, NULL);
} else {
log_error(LOG_PROTOCOL, _("Can't connect to POP3 server: %s:%d\n"),
server, port);
}
session->inc_state = INC_CONNECT_ERROR;
statuswindow_pop_all();
return INC_CONNECT_ERROR;
}
while (session_is_running(SESSION(pop3_session)) &&
session->inc_state != INC_CANCEL)
gtk_main_iteration();
if (session->inc_state == INC_SUCCESS) {
switch (pop3_session->error_val) {
case PS_SUCCESS:
switch (SESSION(pop3_session)->state) {
case SESSION_ERROR:
if (pop3_session->state == POP3_READY)
session->inc_state = INC_CONNECT_ERROR;
else
session->inc_state = INC_ERROR;
break;
case SESSION_EOF:
session->inc_state = INC_EOF;
break;
case SESSION_TIMEOUT:
session->inc_state = INC_TIMEOUT;
break;
default:
session->inc_state = INC_SUCCESS;
break;
}
break;
case PS_AUTHFAIL:
session->inc_state = INC_AUTH_FAILED;
break;
case PS_IOERR:
session->inc_state = INC_IO_ERROR;
break;
case PS_SOCKET:
session->inc_state = INC_SOCKET_ERROR;
break;
case PS_LOCKBUSY:
session->inc_state = INC_LOCKED;
break;
default:
session->inc_state = INC_ERROR;
break;
}
}
session_disconnect(SESSION(pop3_session));
statusbar_pop_all();
return session->inc_state;
}
static gint smtp_auth_recv(SMTPSession *session, const gchar *msg)
{
gchar buf[MESSAGEBUFSIZE], *tmp;
switch (session->auth_type) {
case SMTPAUTH_LOGIN:
session->state = SMTP_AUTH_LOGIN_USER;
if (!strncmp(msg, "334 ", 4)) {
tmp = g_base64_encode(session->user, strlen(session->user));
if (session_send_msg(SESSION(session), SESSION_MSG_NORMAL,
tmp) < 0) {
g_free(tmp);
return SM_ERROR;
}
g_free(tmp);
log_print(LOG_PROTOCOL, "ESMTP> [USERID]\n");
} else {
/* Server rejects AUTH */
if (session_send_msg(SESSION(session), SESSION_MSG_NORMAL,
"*") < 0)
return SM_ERROR;
log_print(LOG_PROTOCOL, "ESMTP> *\n");
}
break;
case SMTPAUTH_CRAM_MD5:
session->state = SMTP_AUTH_CRAM_MD5;
if (!strncmp(msg, "334 ", 4)) {
gchar *response;
gchar *response64;
gchar *challenge;
gsize challengelen;
guchar hexdigest[33];
challenge = g_base64_decode_zero(msg + 4, &challengelen);
log_print(LOG_PROTOCOL, "ESMTP< [Decoded: %s]\n", challenge);
g_snprintf(buf, sizeof(buf), "%s", session->pass);
md5_hex_hmac(hexdigest, challenge, challengelen,
buf, strlen(session->pass));
g_free(challenge);
response = g_strdup_printf
("%s %s", session->user, hexdigest);
log_print(LOG_PROTOCOL, "ESMTP> [Encoded: %s]\n", response);
response64 = g_base64_encode(response, strlen(response));
g_free(response);
if (session_send_msg(SESSION(session), SESSION_MSG_NORMAL,
response64) < 0) {
g_free(response64);
return SM_ERROR;
}
log_print(LOG_PROTOCOL, "ESMTP> %s\n", response64);
g_free(response64);
} else {
/* Server rejects AUTH */
if (session_send_msg(SESSION(session), SESSION_MSG_NORMAL,
"*") < 0)
return SM_ERROR;
log_print(LOG_PROTOCOL, "ESMTP> *\n");
}
break;
case SMTPAUTH_DIGEST_MD5:
default:
/* stop smtp_auth when no correct authtype */
if (session_send_msg(SESSION(session), SESSION_MSG_NORMAL, "*") < 0)
return SM_ERROR;
log_print(LOG_PROTOCOL, "ESMTP> *\n");
break;
}
return SM_OK;
}
static void news_get_extra_fields(NewsSession *session, FolderItem *item, GSList *msglist)
{
MsgInfo *msginfo = NULL;
gint ok;
GSList *cur;
clist *hdrlist = NULL;
clistiter *hdr;
gint first = -1, last = -1;
GHashTable *hash_table;
cm_return_if_fail(session != NULL);
cm_return_if_fail(item != NULL);
cm_return_if_fail(item->folder != NULL);
cm_return_if_fail(FOLDER_CLASS(item->folder) == &news_class);
news_folder_lock(NEWS_FOLDER(item->folder));
hash_table = g_hash_table_new(g_direct_hash, g_direct_equal);
for (cur = msglist; cur; cur = cur->next) {
msginfo = (MsgInfo *)cur->data;
if (first == -1 || msginfo->msgnum < first)
first = msginfo->msgnum;
if (last == -1 || msginfo->msgnum > last)
last = msginfo->msgnum;
g_hash_table_insert(hash_table,
GINT_TO_POINTER(msginfo->msgnum), msginfo);
}
/* Newsgroups */
ok = nntp_threaded_xhdr(item->folder, "newsgroups", first, last, &hdrlist);
if (ok != NEWSNNTP_NO_ERROR) {
log_warning(LOG_PROTOCOL, _("couldn't get xhdr\n"));
if (ok == NEWSNNTP_ERROR_STREAM) {
session_destroy(SESSION(session));
REMOTE_FOLDER(item->folder)->session = NULL;
}
news_folder_unlock(NEWS_FOLDER(item->folder));
return;
}
for (hdr = clist_begin(hdrlist); hdr; hdr = clist_next(hdr)) {
struct newsnntp_xhdr_resp_item *hdrval = clist_content(hdr);
msginfo = g_hash_table_lookup(hash_table, GINT_TO_POINTER(hdrval->hdr_article));
if (msginfo) {
if (msginfo->newsgroups)
g_free(msginfo->newsgroups);
msginfo->newsgroups = g_strdup(hdrval->hdr_value);
}
}
newsnntp_xhdr_free(hdrlist);
/* To */
ok = nntp_threaded_xhdr(item->folder, "to", first, last, &hdrlist);
if (ok != NEWSNNTP_NO_ERROR) {
log_warning(LOG_PROTOCOL, _("couldn't get xhdr\n"));
if (ok == NEWSNNTP_ERROR_STREAM) {
session_destroy(SESSION(session));
REMOTE_FOLDER(item->folder)->session = NULL;
}
news_folder_unlock(NEWS_FOLDER(item->folder));
return;
}
for (hdr = clist_begin(hdrlist); hdr; hdr = clist_next(hdr)) {
struct newsnntp_xhdr_resp_item *hdrval = clist_content(hdr);
msginfo = g_hash_table_lookup(hash_table, GINT_TO_POINTER(hdrval->hdr_article));
if (msginfo) {
if (msginfo->to)
g_free(msginfo->to);
msginfo->to = g_strdup(hdrval->hdr_value);
}
}
newsnntp_xhdr_free(hdrlist);
/* Cc */
ok = nntp_threaded_xhdr(item->folder, "cc", first, last, &hdrlist);
if (ok != NEWSNNTP_NO_ERROR) {
log_warning(LOG_PROTOCOL, _("couldn't get xhdr\n"));
if (ok == NEWSNNTP_ERROR_STREAM) {
session_destroy(SESSION(session));
REMOTE_FOLDER(item->folder)->session = NULL;
}
news_folder_unlock(NEWS_FOLDER(item->folder));
return;
}
for (hdr = clist_begin(hdrlist); hdr; hdr = clist_next(hdr)) {
struct newsnntp_xhdr_resp_item *hdrval = clist_content(hdr);
msginfo = g_hash_table_lookup(hash_table, GINT_TO_POINTER(hdrval->hdr_article));
if (msginfo) {
if (msginfo->cc)
g_free(msginfo->cc);
msginfo->cc = g_strdup(hdrval->hdr_value);
}
}
newsnntp_xhdr_free(hdrlist);
g_hash_table_destroy(hash_table);
news_folder_unlock(NEWS_FOLDER(item->folder));
}
GSList *news_get_group_list(Folder *folder)
{
gchar *path, *filename;
FILE *fp;
GSList *list = NULL;
GSList *last = NULL;
gchar buf[BUFFSIZE];
cm_return_val_if_fail(folder != NULL, NULL);
cm_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, NULL);
path = folder_item_get_path(FOLDER_ITEM(folder->node->data));
if (!is_dir_exist(path))
make_dir_hier(path);
filename = g_strconcat(path, G_DIR_SEPARATOR_S, NEWSGROUP_LIST, NULL);
g_free(path);
if ((fp = g_fopen(filename, "rb")) == NULL) {
NewsSession *session;
gint ok;
clist *grouplist = NULL;
clistiter *cur;
fp = g_fopen(filename, "wb");
if (!fp) {
g_free(filename);
return NULL;
}
session = news_session_get(folder);
if (!session) {
fclose(fp);
g_free(filename);
return NULL;
}
ok = nntp_threaded_list(folder, &grouplist);
if (ok != NEWSNNTP_NO_ERROR) {
if (ok == NEWSNNTP_ERROR_STREAM) {
session_destroy(SESSION(session));
REMOTE_FOLDER(folder)->session = NULL;
}
fclose(fp);
g_free(filename);
return NULL;
}
if (grouplist) {
for (cur = clist_begin(grouplist); cur; cur = clist_next(cur)) {
struct newsnntp_group_info *info = (struct newsnntp_group_info *)
clist_content(cur);
if (fprintf(fp, "%s %d %d %c\n",
info->grp_name,
info->grp_last,
info->grp_first,
info->grp_type) < 0) {
log_error(LOG_PROTOCOL, ("Can't write newsgroup list\n"));
session_destroy(SESSION(session));
REMOTE_FOLDER(folder)->session = NULL;
fclose(fp);
g_free(filename);
newsnntp_list_free(grouplist);
return NULL;
}
}
newsnntp_list_free(grouplist);
}
if (fclose(fp) == EOF) {
log_error(LOG_PROTOCOL, ("Can't write newsgroup list\n"));
session_destroy(SESSION(session));
REMOTE_FOLDER(folder)->session = NULL;
g_free(filename);
return NULL;
}
if ((fp = g_fopen(filename, "rb")) == NULL) {
FILE_OP_ERROR(filename, "fopen");
g_free(filename);
return NULL;
}
}
while (fgets(buf, sizeof(buf), fp) != NULL) {
gchar *p = buf;
gchar *name;
gint last_num;
gint first_num;
gchar type;
NewsGroupInfo *ginfo;
p = strchr(p, ' ');
if (!p) continue;
*p = '\0';
p++;
name = buf;
if (sscanf(p, "%d %d %c", &last_num, &first_num, &type) < 3)
continue;
ginfo = news_group_info_new(name, first_num, last_num, type);
if (!last)
last = list = g_slist_append(NULL, ginfo);
else {
last = g_slist_append(last, ginfo);
last = last->next;
}
}
fclose(fp);
g_free(filename);
list = g_slist_sort(list, (GCompareFunc)news_group_info_compare);
return list;
}
static Session *news_session_new_for_folder(Folder *folder)
{
Session *session;
PrefsAccount *ac;
const gchar *userid = NULL;
gchar *passwd = NULL;
gushort port;
int r;
cm_return_val_if_fail(folder != NULL, NULL);
cm_return_val_if_fail(folder->account != NULL, NULL);
ac = folder->account;
#ifdef USE_GNUTLS
port = ac->set_nntpport ? ac->nntpport
: ac->ssl_nntp ? NNTPS_PORT : NNTP_PORT;
session = news_session_new(folder, ac->nntp_server, port, userid, passwd,
ac->ssl_nntp);
#else
if (ac->ssl_nntp != SSL_NONE) {
if (alertpanel_full(_("Insecure connection"),
_("This connection is configured to be secured "
"using SSL, but SSL is not available in this "
"build of Claws Mail. \n\n"
"Do you want to continue connecting to this "
"server? The communication would not be "
"secure."),
GTK_STOCK_CANCEL, _("Con_tinue connecting"),
NULL, FALSE, NULL, ALERT_WARNING,
G_ALERTDEFAULT) != G_ALERTALTERNATE)
return NULL;
}
port = ac->set_nntpport ? ac->nntpport : NNTP_PORT;
session = news_session_new(folder, ac->nntp_server, port, userid, passwd);
#endif
if (ac->use_nntp_auth && ac->userid && ac->userid[0]) {
userid = ac->userid;
if (password_get(userid, ac->nntp_server, "nntp", port, &passwd)) {
/* NOP */;
} else if ((passwd = passwd_store_get_account(ac->account_id,
PWS_ACCOUNT_RECV)) == NULL) {
passwd = input_dialog_query_password_keep(ac->nntp_server,
userid,
&(ac->session_passwd));
}
}
if (session != NULL)
r = nntp_threaded_mode_reader(folder);
else
r = NEWSNNTP_ERROR_CONNECTION_REFUSED;
if (r != NEWSNNTP_NO_ERROR) {
if (r == NEWSNNTP_WARNING_REQUEST_AUTHORIZATION_USERNAME) {
/*
FIX ME when libetpan implements 480 to indicate authorization
is required to use this capability. Libetpan treats a 480 as a
381 which is clearly wrong.
RFC 4643 section 2.
Response code 480
Generic response
Meaning: command unavailable until the client
has authenticated itself.
*/
/* if the server does not advertise the capability MODE-READER,
we normally should not send MODE READER. However this can't
hurt: a transit-only server returns 502 and closes the cnx.
Ref.: http://tools.ietf.org/html/rfc3977#section-5.3
*/
log_error(LOG_PROTOCOL, _("Libetpan does not support return code 480 "
"so for now we choose to continue\n"));
}
else if (r == NEWSNNTP_ERROR_UNEXPECTED_RESPONSE) {
/* if the server does not advertise the capability MODE-READER,
we normally should not send MODE READER. However this can't
hurt: a transit-only server returns 502 and closes the cnx.
Ref.: http://tools.ietf.org/html/rfc3977#section-5.3
*/
log_error(LOG_PROTOCOL, _("Mode reader failed, continuing nevertheless\n"));
}
else {
/* An error state bail out */
log_error(LOG_PROTOCOL, _("Error creating session with %s:%d\n"), ac->nntp_server, port);
if (session != NULL)
session_destroy(SESSION(session));
g_free(passwd);
if (ac->session_passwd) {
g_free(ac->session_passwd);
ac->session_passwd = NULL;
}
return NULL;
}
}
if ((session != NULL) && ac->use_nntp_auth) { /* FIXME: && ac->use_nntp_auth_onconnect */
if (nntp_threaded_login(folder, userid, passwd) !=
NEWSNNTP_NO_ERROR) {
log_error(LOG_PROTOCOL, _("Error authenticating to %s:%d...\n"), ac->nntp_server, port);
session_destroy(SESSION(session));
g_free(passwd);
if (ac->session_passwd) {
g_free(ac->session_passwd);
ac->session_passwd = NULL;
}
return NULL;
}
}
g_free(passwd);
return session;
}
static GSList *news_get_msginfos_for_range(NewsSession *session, FolderItem *item, guint begin, guint end)
{
GSList *newlist = NULL;
GSList *llast = NULL;
MsgInfo *msginfo;
gint ok;
clist *msglist = NULL;
clistiter *cur;
cm_return_val_if_fail(session != NULL, NULL);
cm_return_val_if_fail(item != NULL, NULL);
log_message(LOG_PROTOCOL, _("getting xover %d - %d in %s...\n"),
begin, end, item->path);
news_folder_lock(NEWS_FOLDER(item->folder));
ok = news_select_group(item->folder, item->path, NULL, NULL, NULL);
if (ok != NEWSNNTP_NO_ERROR) {
log_warning(LOG_PROTOCOL, _("couldn't set group: %s\n"), item->path);
news_folder_unlock(NEWS_FOLDER(item->folder));
return NULL;
}
ok = nntp_threaded_xover(item->folder, begin, end, NULL, &msglist);
if (ok != NEWSNNTP_NO_ERROR) {
log_warning(LOG_PROTOCOL, _("couldn't get xover\n"));
if (ok == NEWSNNTP_ERROR_STREAM) {
session_destroy(SESSION(session));
REMOTE_FOLDER(item->folder)->session = NULL;
}
news_folder_unlock(NEWS_FOLDER(item->folder));
return NULL;
}
if (msglist) {
for (cur = clist_begin(msglist); cur; cur = clist_next(cur)) {
struct newsnntp_xover_resp_item *ritem = (struct newsnntp_xover_resp_item *)clist_content(cur);
msginfo = news_parse_xover(ritem);
if (!msginfo) {
log_warning(LOG_PROTOCOL, _("invalid xover line\n"));
continue;
}
msginfo->folder = item;
news_set_msg_flags(item, msginfo);
msginfo->flags.tmp_flags |= MSG_NEWS;
if (!newlist)
llast = newlist = g_slist_append(newlist, msginfo);
else {
llast = g_slist_append(llast, msginfo);
llast = llast->next;
}
}
newsnntp_xover_resp_list_free(msglist);
}
news_folder_unlock(NEWS_FOLDER(item->folder));
session_set_access_time(SESSION(session));
news_get_extra_fields(session, item, newlist);
return newlist;
}
gint send_message_smtp_full(PrefsAccount *ac_prefs, GSList *to_list, FILE *fp, gboolean keep_session)
{
Session *session;
SMTPSession *smtp_session;
gushort port = 0;
gchar buf[BUFFSIZE];
gint ret = 0;
gboolean was_inited = FALSE;
MsgInfo *tmp_msginfo = NULL;
MsgFlags flags = {0, 0};
long fp_pos = 0;
gchar spec_from[BUFFSIZE];
ProxyInfo *proxy_info = NULL;
cm_return_val_if_fail(ac_prefs != NULL, -1);
cm_return_val_if_fail(ac_prefs->address != NULL, -1);
cm_return_val_if_fail(ac_prefs->smtp_server != NULL, -1);
cm_return_val_if_fail(to_list != NULL, -1);
cm_return_val_if_fail(fp != NULL, -1);
/* get the From address used, not necessarily the ac_prefs',
* because it's editable. */
fp_pos = ftell(fp);
if (fp_pos < 0) {
perror("ftell");
return -1;
}
tmp_msginfo = procheader_parse_stream(fp, flags, TRUE, FALSE);
if (fseek(fp, fp_pos, SEEK_SET) < 0) {
perror("fseek");
return -1;
}
if (tmp_msginfo && tmp_msginfo->extradata && tmp_msginfo->extradata->resent_from) {
strncpy2(spec_from, tmp_msginfo->extradata->resent_from, BUFFSIZE-1);
extract_address(spec_from);
} else if (tmp_msginfo && tmp_msginfo->from) {
strncpy2(spec_from, tmp_msginfo->from, BUFFSIZE-1);
extract_address(spec_from);
} else {
strncpy2(spec_from, ac_prefs->address, BUFFSIZE-1);
}
if (tmp_msginfo) {
procmsg_msginfo_free(&tmp_msginfo);
}
if (!ac_prefs->session) {
/* we can't reuse a previously initialised session */
session = smtp_session_new(ac_prefs);
session->ssl_cert_auto_accept = ac_prefs->ssl_certs_auto_accept;
smtp_session = SMTP_SESSION(session);
if (ac_prefs->set_domain && ac_prefs->domain && strlen(ac_prefs->domain)) {
smtp_session->hostname = g_strdup(ac_prefs->domain);
} else {
smtp_session->hostname = NULL;
}
#ifdef USE_GNUTLS
port = ac_prefs->set_smtpport ? ac_prefs->smtpport :
ac_prefs->ssl_smtp == SSL_TUNNEL ? SSMTP_PORT : SMTP_PORT;
session->ssl_type = ac_prefs->ssl_smtp;
if (ac_prefs->ssl_smtp != SSL_NONE)
session->nonblocking = ac_prefs->use_nonblocking_ssl;
if (ac_prefs->set_gnutls_priority && ac_prefs->gnutls_priority &&
strlen(ac_prefs->gnutls_priority))
session->gnutls_priority = g_strdup(ac_prefs->gnutls_priority);
session->use_tls_sni = ac_prefs->use_tls_sni;
#else
if (ac_prefs->ssl_smtp != SSL_NONE) {
if (alertpanel_full(_("Insecure connection"),
_("This connection is configured to be secured "
"using SSL/TLS, but SSL/TLS is not available "
"in this build of Claws Mail. \n\n"
"Do you want to continue connecting to this "
"server? The communication would not be "
"secure."),
GTK_STOCK_CANCEL, _("Con_tinue connecting"), NULL,
ALERTFOCUS_FIRST, FALSE, NULL, ALERT_WARNING) != G_ALERTALTERNATE) {
session_destroy(session);
return -1;
}
}
port = ac_prefs->set_smtpport ? ac_prefs->smtpport : SMTP_PORT;
#endif
if (ac_prefs->use_smtp_auth) {
smtp_session->forced_auth_type = ac_prefs->smtp_auth_type;
if (ac_prefs->smtp_userid && strlen(ac_prefs->smtp_userid)) {
smtp_session->user = g_strdup(ac_prefs->smtp_userid);
if (password_get(smtp_session->user,
ac_prefs->smtp_server, "smtp", port,
&(smtp_session->pass))) {
/* NOP */;
} else if ((smtp_session->pass =
passwd_store_get_account(ac_prefs->account_id,
PWS_ACCOUNT_SEND)) == NULL) {
smtp_session->pass =
input_dialog_query_password_keep
(ac_prefs->smtp_server,
smtp_session->user,
&(ac_prefs->session_smtp_passwd));
if (!smtp_session->pass) {
session_destroy(session);
return -1;
}
}
} else {
smtp_session->user = g_strdup(ac_prefs->userid);
if (password_get(smtp_session->user,
ac_prefs->smtp_server, "smtp", port,
&(smtp_session->pass))) {
/* NOP */;
} else if ((smtp_session->pass = passwd_store_get_account(
ac_prefs->account_id, PWS_ACCOUNT_RECV)) == NULL) {
smtp_session->pass =
input_dialog_query_password_keep
(ac_prefs->smtp_server,
smtp_session->user,
&(ac_prefs->session_smtp_passwd));
if (!smtp_session->pass) {
session_destroy(session);
return -1;
}
}
}
} else {
smtp_session->user = NULL;
smtp_session->pass = NULL;
}
send_dialog = send_progress_dialog_create();
send_dialog->session = session;
smtp_session->dialog = send_dialog;
progress_dialog_list_set(send_dialog->dialog, 0, NULL,
ac_prefs->smtp_server,
_("Connecting"));
if (ac_prefs->pop_before_smtp
&& (ac_prefs->protocol == A_POP3)
&& (time(NULL) - ac_prefs->last_pop_login_time) > (60 * ac_prefs->pop_before_smtp_timeout)) {
g_snprintf(buf, sizeof(buf), _("Doing POP before SMTP..."));
log_message(LOG_PROTOCOL, "%s\n", buf);
progress_dialog_set_label(send_dialog->dialog, buf);
progress_dialog_list_set_status(send_dialog->dialog, 0, _("POP before SMTP"));
GTK_EVENTS_FLUSH();
inc_pop_before_smtp(ac_prefs);
}
g_snprintf(buf, sizeof(buf), _("Account '%s': Connecting to SMTP server: %s:%d..."),
ac_prefs->account_name, ac_prefs->smtp_server, port);
progress_dialog_set_label(send_dialog->dialog, buf);
log_message(LOG_PROTOCOL, "%s\n", buf);
session_set_recv_message_notify(session, send_recv_message, send_dialog);
session_set_send_data_progressive_notify
(session, send_send_data_progressive, send_dialog);
session_set_send_data_notify(session, send_send_data_finished, send_dialog);
} else {
/* everything is ready to start at MAIL FROM:, just
* reinit useful variables.
*/
session = SESSION(ac_prefs->session);
ac_prefs->session = NULL;
smtp_session = SMTP_SESSION(session);
smtp_session->state = SMTP_HELO;
send_dialog = (SendProgressDialog *)smtp_session->dialog;
was_inited = TRUE;
}
/* This has to be initialised for every mail sent */
smtp_session->from = g_strdup(spec_from);
smtp_session->to_list = to_list;
smtp_session->cur_to = to_list;
smtp_session->send_data = (guchar *)get_outgoing_rfc2822_str(fp);
smtp_session->send_data_len = strlen((gchar *)smtp_session->send_data);
if (ac_prefs->use_proxy && ac_prefs->use_proxy_for_send) {
if (ac_prefs->use_default_proxy) {
proxy_info = (ProxyInfo *)&(prefs_common.proxy_info);
if (proxy_info->use_proxy_auth)
proxy_info->proxy_pass = passwd_store_get(PWS_CORE, PWS_CORE_PROXY,
PWS_CORE_PROXY_PASS);
} else {
proxy_info = (ProxyInfo *)&(ac_prefs->proxy_info);
if (proxy_info->use_proxy_auth)
proxy_info->proxy_pass = passwd_store_get_account(ac_prefs->account_id,
PWS_ACCOUNT_PROXY_PASS);
}
}
SESSION(smtp_session)->proxy_info = proxy_info;
session_set_timeout(session,
prefs_common.io_timeout_secs * 1000);
/* connect if necessary */
if (!was_inited && session_connect(session, ac_prefs->smtp_server,
port) < 0) {
session_destroy(session);
send_progress_dialog_destroy(send_dialog);
ac_prefs->session = NULL;
return -1;
}
debug_print("send_message_smtp(): begin event loop\n");
if (was_inited) {
/* as the server is quiet, start sending ourselves */
smtp_from(smtp_session);
}
while (session_is_running(session) && send_dialog->cancelled == FALSE
&& SMTP_SESSION(session)->state != SMTP_MAIL_SENT_OK)
gtk_main_iteration();
if (SMTP_SESSION(session)->error_val == SM_AUTHFAIL) {
if (ac_prefs->session_smtp_passwd) {
g_free(ac_prefs->session_smtp_passwd);
ac_prefs->session_smtp_passwd = NULL;
}
ret = -1;
} else if (SMTP_SESSION(session)->state == SMTP_MAIL_SENT_OK) {
log_message(LOG_PROTOCOL, "%s\n", _("Mail sent successfully."));
ret = 0;
} else if (session->state == SESSION_EOF &&
SMTP_SESSION(session)->state == SMTP_QUIT) {
/* consider EOF right after QUIT successful */
log_warning(LOG_PROTOCOL, "%s\n", _("Connection closed by the remote host."));
ret = 0;
} else if (session->state == SESSION_ERROR ||
session->state == SESSION_EOF ||
session->state == SESSION_TIMEOUT ||
SMTP_SESSION(session)->state == SMTP_ERROR ||
SMTP_SESSION(session)->error_val != SM_OK)
ret = -1;
else if (send_dialog->cancelled == TRUE)
ret = -1;
if (ret == -1) {
manage_window_focus_in(send_dialog->dialog->window, NULL, NULL);
send_put_error(session);
manage_window_focus_out(send_dialog->dialog->window, NULL, NULL);
}
/* if we should close the connection, let's do it.
* Close it in case of error, too, as it helps reinitializing things
* easier.
*/
if (!keep_session || ret != 0) {
if (session_is_connected(session))
smtp_quit(smtp_session);
while (session_is_connected(session) && !send_dialog->cancelled)
gtk_main_iteration();
session_destroy(session);
ac_prefs->session = NULL;
send_progress_dialog_destroy(send_dialog);
} else {
g_free(smtp_session->from);
g_free(smtp_session->send_data);
g_free(smtp_session->error_msg);
}
if (keep_session && ret == 0 && ac_prefs->session == NULL)
ac_prefs->session = SMTP_SESSION(session);
statusbar_pop_all();
statusbar_verbosity_set(FALSE);
return ret;
}
/**
* The ev client io callback
*/
void client_io_avail(struct ev_loop* loop, struct ev_io* io_read, int revents)
{
client_t* client = container_of(io_read, client_t, io_read);
// Check for errors
if (EV_ERROR & revents) {
ERROR("invalid event");
return;
}
server_t* server = client->server;
bool report_read = false;
if (client->client_drop) {
server_client_cleanup(server, client);
return;
}
if (revents & EV_READ) {
int read_avail = recv(client->fd, server->buffer, server->buf_size, 0);
// Check for read error
if (read_avail < 0) {
switch (errno) {
case ECONNRESET:
case ETIMEDOUT:
read_avail = 0; // drop the client later on
break;
default:
ERROR("unable to handle error: %s", strerror(errno));
break;
}
return;
}
// Check for client drop
if (read_avail == 0) {
server_client_drop(server, client);
SESSION("client dropped");
return;
}
int buffered = buffer_write(&client->read_buffer, server->buffer, read_avail);
if (buffered != read_avail) {
WARN("buffer overflow. dropping %i bytes", read_avail-buffered);
}
if (client->handshake_stage == HANDSHAKE_ACCEPTED) {
report_read = true;
}
}
if (revents & EV_WRITE) { // flush write buffer if necessary
if (client->handshake_stage == HANDSHAKE_ACCEPTED) {
server->write_cb(client, server);
}
size_t write_avail = buffer_read(&client->write_buffer, server->buffer, server->buf_size);
size_t write_caret = 0;
while (write_avail > write_caret) {
ssize_t sent = send(client->fd, server->buffer+write_caret, write_avail, 0);
// Check for write error
if (sent < 0) {
switch (errno) {
case ECONNRESET:
case ETIMEDOUT:
sent = 0; // drop the client later on
break;
default:
ERROR("unable to handle error: %s", strerror(errno));
break;
}
return;
}
// Check for client drop
if (sent == 0) {
server_client_drop(server, client);
SESSION("client dropped");
return;
}
write_caret += sent;
}
}
if (client->handshake_stage == HANDSHAKE_PENDING) {
client->handshake_stage = server->handshake_cb(client, server);
switch (client->handshake_stage) {
case HANDSHAKE_DENIED:
server_client_drop(server, client);
SESSION("handshake failed. dropping");
break;
case HANDSHAKE_ACCEPTED:
// Notify client of any buffered data
if (buffer_read_avail(&client->read_buffer) > 0) {
report_read = true;
}
break;
}
}
if (client->handshake_stage == HANDSHAKE_ACCEPTED &&
buffer_read_avail(&client->read_buffer) > 0 &&
server->flags & SF_PARTIAL_READ) {
// re-report previously buffered but un-processed data
report_read = true;
}
if (report_read) {
server->read_cb(client, server);
}
}