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authorSteve Holme <steve_holme@hotmail.com>2020-02-08 00:14:57 +0000
committerSteve Holme <steve_holme@hotmail.com>2020-02-26 11:02:38 +0000
commite7959c280c0361d2e448776d9ea11305e2f026bc (patch)
tree71cf32e9bd8e63ffeb62474a48908c741b9b55ba /lib
parent68fb25fa3fcff62dda71d2c67894eedf93291e05 (diff)
smtp: Support UTF-8 based host names in the RCPT TO command
Diffstat (limited to 'lib')
-rw-r--r--lib/smtp.c24
1 files changed, 19 insertions, 5 deletions
diff --git a/lib/smtp.c b/lib/smtp.c
index 18c45afbe..1718cc2db 100644
--- a/lib/smtp.c
+++ b/lib/smtp.c
@@ -659,14 +659,28 @@ static CURLcode smtp_perform_rcpt_to(struct connectdata *conn)
CURLcode result = CURLE_OK;
struct Curl_easy *data = conn->data;
struct SMTP *smtp = data->req.protop;
+ char *address = NULL;
+ struct hostname host = { NULL, NULL, NULL, NULL };
+
+ /* Parse the recipient mailbox into the local address and host name parts,
+ converting the host name to an IDN A-label if necessary */
+ result = smtp_parse_address(conn, smtp->rcpt->data,
+ &address, &host);
+ if(result)
+ return result;
/* Send the RCPT TO command */
- if(smtp->rcpt->data[0] == '<')
- result = Curl_pp_sendf(&conn->proto.smtpc.pp, "RCPT TO:%s",
- smtp->rcpt->data);
+ if(host.name)
+ result = Curl_pp_sendf(&conn->proto.smtpc.pp, "RCPT TO:<%s@%s>", address,
+ host.name);
else
- result = Curl_pp_sendf(&conn->proto.smtpc.pp, "RCPT TO:<%s>",
- smtp->rcpt->data);
+ /* An invalid mailbox was provided but we'll simply let the server worry
+ about that and reply with a 501 error */
+ result = Curl_pp_sendf(&conn->proto.smtpc.pp, "RCPT TO:<%s>", address);
+
+ Curl_free_idnconverted_hostname(&host);
+ free(address);
+
if(!result)
state(conn, SMTP_RCPT);