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Add LMTP support (RFC 2033) to s_client ("-starttls lmtp")

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Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1945)
This commit is contained in:
Robert Scheck 2016-11-17 17:16:50 +01:00 committed by Rich Salz
parent 5defbe6f38
commit 9576545a51
2 changed files with 20 additions and 6 deletions
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24
apps/s_client.c
View File

@ -619,7 +619,8 @@ const OPTIONS s_client_options[] = {
{"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
"Export len bytes of keying material (default 20)"},
{"fallback_scsv", OPT_FALLBACKSCSV, '-', "Send the fallback SCSV"},
{"name", OPT_SMTPHOST, 's', "Hostname to use for \"-starttls smtp\""},
{"name", OPT_SMTPHOST, 's',
"Hostname to use for \"-starttls lmtp\" or \"-starttls smtp\""},
{"CRL", OPT_CRL, '<', "CRL file to use"},
{"crl_download", OPT_CRL_DOWNLOAD, '-', "Download CRL from distribution points"},
{"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"},
@ -743,7 +744,8 @@ typedef enum PROTOCOL_choice {
PROTO_XMPP_SERVER,
PROTO_CONNECT,
PROTO_IRC,
PROTO_POSTGRES
PROTO_POSTGRES,
PROTO_LMTP
} PROTOCOL_CHOICE;
static const OPT_PAIR services[] = {
@ -756,6 +758,7 @@ static const OPT_PAIR services[] = {
{"telnet", PROTO_TELNET},
{"irc", PROTO_IRC},
{"postgres", PROTO_POSTGRES},
{"lmtp", PROTO_LMTP},
{NULL, 0}
};
@ -1854,6 +1857,7 @@ int s_client_main(int argc, char **argv)
switch ((PROTOCOL_CHOICE) starttls_proto) {
case PROTO_OFF:
break;
case PROTO_LMTP:
case PROTO_SMTP:
{
/*
@ -1867,14 +1871,24 @@ int s_client_main(int argc, char **argv)
int foundit = 0;
BIO *fbio = BIO_new(BIO_f_buffer());
BIO_push(fbio, sbio);
/* wait for multi-line response to end from SMTP */
/* Wait for multi-line response to end from LMTP or SMTP */
do {
mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
}
while (mbuf_len > 3 && mbuf[3] == '-');
BIO_printf(fbio, "EHLO %s\r\n", ehlo);
switch ((PROTOCOL_CHOICE) starttls_proto) {
case PROTO_LMTP:
BIO_printf(fbio, "LHLO %s\r\n", ehlo);
break;
case PROTO_SMTP:
BIO_printf(fbio, "EHLO %s\r\n", ehlo);
break;
}
(void)BIO_flush(fbio);
/* wait for multi-line response to end EHLO SMTP response */
/*
* Wait for multi-line response to end LHLO LMTP or EHLO SMTP
* response.
*/
do {
mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
if (strstr(mbuf, "STARTTLS"))

2
doc/man1/s_client.pod
View File

@ -437,7 +437,7 @@ command for more information.
send the protocol-specific message(s) to switch to TLS for communication.
B<protocol> is a keyword for the intended protocol. Currently, the only
supported keywords are "smtp", "pop3", "imap", "ftp", "xmpp", "xmpp-server",
"irc" and "postgres."
"irc", "postgres" and "lmtp".
=item B<-xmpphost hostname>