bool smtp_client::rcpt_to(const char* to)
{
if (to == NULL || *to == 0)
{
logger_error("to null");
return false;
}
return smtp_rcpt(client_, to) == 0 ? true : false;
}
static gint smtp_session_recv_msg(Session *session, const gchar *msg)
{
SMTPSession *smtp_session = SMTP_SESSION(session);
gboolean cont = FALSE;
if (strlen(msg) < 4) {
log_warning(_("bad SMTP response\n"));
return -1;
}
switch (smtp_session->state) {
case SMTP_EHLO:
case SMTP_STARTTLS:
case SMTP_AUTH:
case SMTP_AUTH_PLAIN:
case SMTP_AUTH_LOGIN_USER:
case SMTP_AUTH_LOGIN_PASS:
case SMTP_AUTH_CRAM_MD5:
log_print("ESMTP< %s\n", msg);
break;
default:
log_print("SMTP< %s\n", msg);
break;
}
if (msg[0] == '5' && msg[1] == '0' &&
(msg[2] == '4' || msg[2] == '3' || msg[2] == '1')) {
log_warning(_("error occurred on SMTP session\n"));
smtp_session->state = SMTP_ERROR;
smtp_session->error_val = SM_ERROR;
g_free(smtp_session->error_msg);
smtp_session->error_msg = g_strdup(msg);
return -1;
}
if (!strncmp(msg, "535", 3)) {
log_warning(_("error occurred on authentication\n"));
smtp_session->state = SMTP_ERROR;
smtp_session->error_val = SM_AUTHFAIL;
g_free(smtp_session->error_msg);
smtp_session->error_msg = g_strdup(msg);
return -1;
}
if (msg[0] != '1' && msg[0] != '2' && msg[0] != '3') {
log_warning(_("error occurred on SMTP session\n"));
smtp_session->state = SMTP_ERROR;
smtp_session->error_val = SM_ERROR;
g_free(smtp_session->error_msg);
smtp_session->error_msg = g_strdup(msg);
return -1;
}
if (msg[3] == '-')
cont = TRUE;
else if (msg[3] != ' ' && msg[3] != '\0') {
log_warning(_("bad SMTP response\n"));
smtp_session->state = SMTP_ERROR;
smtp_session->error_val = SM_UNRECOVERABLE;
return -1;
}
/* ignore all multiline responses except for EHLO */
if (cont && smtp_session->state != SMTP_EHLO)
return session_recv_msg(session);
switch (smtp_session->state) {
case SMTP_READY:
if (strstr(msg, "ESMTP"))
smtp_session->is_esmtp = TRUE;
case SMTP_CONNECTED:
#if USE_OPENSSL
if (smtp_session->user || session->ssl_type != SSL_NONE ||
smtp_session->is_esmtp)
#else
if (smtp_session->user || smtp_session->is_esmtp)
#endif
smtp_ehlo(smtp_session);
else
smtp_helo(smtp_session);
break;
case SMTP_HELO:
smtp_from(smtp_session);
break;
case SMTP_EHLO:
smtp_ehlo_recv(smtp_session, msg);
if (cont == TRUE)
break;
if (smtp_session->max_message_size > 0
&& smtp_session->max_message_size < smtp_session->send_data_len) {
log_warning(_("Message is too big "
"(Maximum size is %s)\n"),
to_human_readable(
(off_t)(smtp_session->max_message_size)));
smtp_session->state = SMTP_ERROR;
smtp_session->error_val = SM_ERROR;
return -1;
}
#if USE_OPENSSL
if (session->ssl_type == SSL_STARTTLS &&
smtp_session->tls_init_done == FALSE) {
smtp_starttls(smtp_session);
break;
}
#endif
if (smtp_session->user) {
if (smtp_auth(smtp_session) != SM_OK)
smtp_from(smtp_session);
} else
smtp_from(smtp_session);
break;
case SMTP_STARTTLS:
#if USE_OPENSSL
if (session_start_tls(session) < 0) {
log_warning(_("can't start TLS session\n"));
smtp_session->state = SMTP_ERROR;
smtp_session->error_val = SM_ERROR;
return -1;
}
smtp_session->tls_init_done = TRUE;
smtp_ehlo(smtp_session);
#endif
break;
case SMTP_AUTH:
smtp_auth_recv(smtp_session, msg);
break;
case SMTP_AUTH_LOGIN_USER:
smtp_auth_login_user_recv(smtp_session, msg);
break;
case SMTP_AUTH_PLAIN:
case SMTP_AUTH_LOGIN_PASS:
case SMTP_AUTH_CRAM_MD5:
smtp_from(smtp_session);
break;
case SMTP_FROM:
if (smtp_session->cur_to)
smtp_rcpt(smtp_session);
break;
case SMTP_RCPT:
if (smtp_session->cur_to)
smtp_rcpt(smtp_session);
else
smtp_data(smtp_session);
break;
case SMTP_DATA:
smtp_send_data(smtp_session);
break;
case SMTP_EOM:
smtp_quit(smtp_session);
break;
case SMTP_QUIT:
session_disconnect(session);
break;
case SMTP_ERROR:
default:
log_warning(_("error occurred on SMTP session\n"));
smtp_session->error_val = SM_ERROR;
return -1;
}
if (cont)
return session_recv_msg(session);
return 0;
}
long smtp_mail (SENDSTREAM *stream,char *type,ENVELOPE *env,BODY *body)
{
RFC822BUFFER buf;
char tmp[SENDBUFLEN+1];
long error = NIL;
long retry = NIL;
buf.f = smtp_soutr; /* initialize buffer */
buf.s = stream->netstream;
buf.end = (buf.beg = buf.cur = tmp) + SENDBUFLEN;
tmp[SENDBUFLEN] = '\0'; /* must have additional null guard byte */
if (!(env->to || env->cc || env->bcc)) {
/* no recipients in request */
smtp_seterror (stream,SMTPHARDERROR,"No recipients specified");
return NIL;
}
do { /* make sure stream is in good shape */
if (retry) { /* need to retry with authentication? */
NETMBX mb;
/* yes, build remote name for authentication */
sprintf (tmp,"{%.200s/smtp%s}<none>",
(long) mail_parameters (NIL,GET_TRUSTDNS,NIL) ?
((long) mail_parameters (NIL,GET_SASLUSESPTRNAME,NIL) ?
net_remotehost (stream->netstream) :
net_host (stream->netstream)) :
stream->host,
(stream->netstream->dtb ==
(NETDRIVER *) mail_parameters (NIL,GET_SSLDRIVER,NIL)) ?
"/ssl" : "");
mail_valid_net_parse (tmp,&mb);
smtp_send (stream,"RSET",NIL);
if (!smtp_auth (stream,&mb,tmp)) return NIL;
retry = NIL; /* no retry at this point */
}
strcpy (tmp,"FROM:<"); /* compose "MAIL FROM:<return-path>" */
#ifdef RFC2821
if (env->return_path && env->return_path->host &&
!((strlen (env->return_path->mailbox) > SMTPMAXLOCALPART) ||
(strlen (env->return_path->host) > SMTPMAXDOMAIN))) {
rfc822_cat (tmp,env->return_path->mailbox,NIL);
sprintf (tmp + strlen (tmp),"@%s",env->return_path->host);
}
#else /* old code with A-D-L support */
if (env->return_path && env->return_path->host &&
!((env->return_path->adl &&
(strlen (env->return_path->adl) > SMTPMAXPATH)) ||
(strlen (env->return_path->mailbox) > SMTPMAXLOCALPART) ||
(strlen (env->return_path->host) > SMTPMAXDOMAIN)))
rfc822_address (tmp,env->return_path);
#endif
strcat (tmp,">");
if (ESMTP.ok) {
if (ESMTP.eightbit.ok && ESMTP.eightbit.want)
strcat (tmp," BODY=8BITMIME");
if (ESMTP.dsn.ok && ESMTP.dsn.want) {
strcat (tmp,ESMTP.dsn.full ? " RET=FULL" : " RET=HDRS");
if (ESMTP.dsn.envid)
sprintf (tmp + strlen (tmp)," ENVID=%.100s",ESMTP.dsn.envid);
}
}
/* send "MAIL FROM" command */
switch (smtp_send (stream,type,tmp)) {
case SMTPUNAVAIL: /* mailbox unavailable? */
case SMTPWANTAUTH: /* wants authentication? */
case SMTPWANTAUTH2:
if (ESMTP.auth) retry = T;/* yes, retry with authentication */
case SMTPOK: /* looks good */
break;
default: /* other failure */
smtp_send (stream,"RSET",NIL);
return NIL;
}
/* negotiate the recipients */
if (!retry && env->to) retry = smtp_rcpt (stream,env->to,&error);
if (!retry && env->cc) retry = smtp_rcpt (stream,env->cc,&error);
if (!retry && env->bcc) retry = smtp_rcpt (stream,env->bcc,&error);
if (!retry && error) { /* any recipients failed? */
smtp_send (stream,"RSET",NIL);
smtp_seterror (stream,SMTPHARDERROR,"One or more recipients failed");
return NIL;
}
} while (retry);
/* negotiate data command */
if (!(smtp_send (stream,"DATA",NIL) == SMTPREADY)) {
smtp_send (stream,"RSET",NIL);
return NIL;
}
/* send message data */
if (!rfc822_output_full (&buf,env,body,
ESMTP.eightbit.ok && ESMTP.eightbit.want)) {
smtp_fake (stream,"SMTP connection broken (message data)");
return NIL; /* can't do much else here */
}
/* send trailing dot */
if (smtp_send (stream,".",NIL) != SMTPOK) {
smtp_send (stream,"RSET",NIL);
return NIL;
}
return LONGT;
}
static gboolean
smtp_transport_send_to_sync (CamelTransport *transport,
CamelMimeMessage *message,
CamelAddress *from,
CamelAddress *recipients,
gboolean *out_sent_message_saved,
GCancellable *cancellable,
GError **error)
{
CamelSmtpTransport *smtp_transport = CAMEL_SMTP_TRANSPORT (transport);
CamelInternetAddress *cia;
gboolean has_8bit_parts;
const gchar *addr;
gint i, len;
smtp_debug_print_server_name (CAMEL_SERVICE (transport), "Sending with");
if (!smtp_transport->connected) {
g_set_error (
error, CAMEL_SERVICE_ERROR,
CAMEL_SERVICE_ERROR_NOT_CONNECTED,
_("Cannot send message: service not connected."));
return FALSE;
}
if (!camel_internet_address_get (CAMEL_INTERNET_ADDRESS (from), 0, NULL, &addr)) {
g_set_error (
error, CAMEL_ERROR, CAMEL_ERROR_GENERIC,
_("Cannot send message: sender address not valid."));
return FALSE;
}
camel_operation_push_message (cancellable, _("Sending message"));
/* find out if the message has 8bit mime parts */
has_8bit_parts = camel_mime_message_has_8bit_parts (message);
/* If the connection needs a ReSET, then do so */
if (smtp_transport->need_rset &&
!smtp_rset (smtp_transport, cancellable, error)) {
camel_operation_pop_message (cancellable);
return FALSE;
}
smtp_transport->need_rset = FALSE;
/* rfc1652 (8BITMIME) requires that you notify the ESMTP daemon that
* you'll be sending an 8bit mime message at "MAIL FROM:" time. */
if (!smtp_mail (
smtp_transport, addr, has_8bit_parts, cancellable, error)) {
camel_operation_pop_message (cancellable);
return FALSE;
}
len = camel_address_length (recipients);
if (len == 0) {
g_set_error (
error, CAMEL_ERROR, CAMEL_ERROR_GENERIC,
_("Cannot send message: no recipients defined."));
camel_operation_pop_message (cancellable);
smtp_transport->need_rset = TRUE;
return FALSE;
}
cia = CAMEL_INTERNET_ADDRESS (recipients);
for (i = 0; i < len; i++) {
gchar *enc;
if (!camel_internet_address_get (cia, i, NULL, &addr)) {
g_set_error (
error, CAMEL_ERROR, CAMEL_ERROR_GENERIC,
_("Cannot send message: "
"one or more invalid recipients"));
camel_operation_pop_message (cancellable);
smtp_transport->need_rset = TRUE;
return FALSE;
}
enc = camel_internet_address_encode_address (NULL, NULL, addr);
if (!smtp_rcpt (smtp_transport, enc, cancellable, error)) {
g_free (enc);
camel_operation_pop_message (cancellable);
smtp_transport->need_rset = TRUE;
return FALSE;
}
g_free (enc);
}
if (!smtp_data (smtp_transport, message, cancellable, error)) {
camel_operation_pop_message (cancellable);
smtp_transport->need_rset = TRUE;
return FALSE;
}
camel_operation_pop_message (cancellable);
return TRUE;
}
