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smtp: Added support for the STLS capability (Part One)

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Introduced detection of the STARTTLS capability, in order to add support
for TLS upgrades without unconditionally sending the STARTTLS command.
This commit is contained in:
Steve Holme 2013-02-10 12:19:10 +00:00
parent 2f66ca11c1
commit c76cb3da04
2 changed files with 7 additions and 1 deletions
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7
lib/smtp.c
View File

@ -228,8 +228,12 @@ static int smtp_endofresp(struct pingpong *pp, int *resp)
line += 4;
len -= 4;
/* Does the server support the STARTTLS capability? */
if(len >= 8 && !memcmp(line, "STARTTLS", 8))
smtpc->tls_supported = TRUE;
/* Does the server support the SIZE capability? */
if(len >= 4 && !memcmp(line, "SIZE", 4))
else if(len >= 4 && !memcmp(line, "SIZE", 4))
smtpc->size_supported = TRUE;
/* Do we have the authentication mechanism list? */
@ -237,6 +241,7 @@ static int smtp_endofresp(struct pingpong *pp, int *resp)
line += 5;
len -= 5;
/* Loop through the data line */
for(;;) {
while(len &&
(*line == ' ' || *line == '\t' ||

1
lib/smtp.h
View File

@ -65,6 +65,7 @@ struct smtp_conn {
smtpstate state; /* Always use smtp.c:state() to change state! */
struct curl_slist *rcpt; /* Recipient list */
bool ssldone; /* Is connect() over SSL done? */
bool tls_supported; /* StartTLS capability supported by server */
bool size_supported; /* If server supports SIZE extension according to
RFC 1870 */
};