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SMTP: only send SIZE if supported

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SMTP client will send SIZE parameter in MAIL FROM command only if server
supports it. Without this patch server might say "504 Command parameter
not implemented" and reject the message.

Bug: http://curl.haxx.se/bug/view.cgi?id=3564114
This commit is contained in:
František Kučera 2012-09-02 10:53:27 +02:00 • committed by Daniel Stenberg
parent da0d15733c
commit 0a0f3c63a6
2 changed files with 8 additions and 1 deletions
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7
lib/smtp.c
View file

@ -232,6 +232,11 @@ static int smtp_endofresp(struct pingpong *pp, int *resp)
line += 4;
len -= 4;
if(smtpc->state == SMTP_EHLO && len >= 4 && !memcmp(line, "SIZE", 4)) {
DEBUGF(infof(conn->data, "Server supports SIZE extension.\n"));
smtpc->size_supported = true;
}
if(smtpc->state == SMTP_EHLO && len >= 5 && !memcmp(line, "AUTH ", 5)) {
line += 5;
len -= 5;
@ -943,7 +948,7 @@ static CURLcode smtp_mail(struct connectdata *conn)
}
/* calculate the optional SIZE parameter */
if(conn->data->set.infilesize > 0) {
if(conn->proto.smtpc.size_supported && conn->data->set.infilesize > 0) {
size = aprintf("%" FORMAT_OFF_T, data->set.infilesize);
if(!size) {

2
lib/smtp.h
View file

@ -66,6 +66,8 @@ struct smtp_conn {
struct curl_slist *rcpt; /* Recipient list */
bool ssldone; /* Is connect() over SSL done? only relevant in
multi mode */
bool size_supported; /* If server supports SIZE extension according to
RFC 1870 */
};
extern const struct Curl_handler Curl_handler_smtp;