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smtp: Detect server support for the UTF-8 extension as defined in RFC-6531

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This commit is contained in:
Steve Holme 2020-02-07 19:57:15 +00:00
parent 2aa6c1735a
commit 4754c55cd7
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GPG Key ID: 4059CB85CA7E8F19
2 changed files with 7 additions and 0 deletions
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5
lib/smtp.c
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@ -29,6 +29,7 @@
* RFC5321 SMTP protocol
* RFC5890 Internationalized Domain Names for Applications (IDNA)
* RFC6531 SMTP Extension for Internationalized Email
* RFC6532 Internationalized Email Headers
* RFC6749 OAuth 2.0 Authorization Framework
* RFC8314 Use of TLS for Email Submission and Access
* Draft SMTP URL Interface <draft-earhart-url-smtp-00.txt>
@ -802,6 +803,10 @@ static CURLcode smtp_state_ehlo_resp(struct connectdata *conn, int smtpcode,
else if(len >= 4 && !memcmp(line, "SIZE", 4))
smtpc->size_supported = TRUE;
/* Does the server support the UTF-8 capability? */
else if(len >= 8 && !memcmp(line, "SMTPUTF8", 8))
smtpc->utf8_supported = TRUE;
/* Does the server support authentication? */
else if(len >= 5 && !memcmp(line, "AUTH ", 5)) {
smtpc->auth_supported = TRUE;

2
lib/smtp.h
View File

@ -74,6 +74,8 @@ struct smtp_conn {
bool tls_supported; /* StartTLS capability supported by server */
bool size_supported; /* If server supports SIZE extension according to
RFC 1870 */
bool utf8_supported; /* If server supports SMTPUTF8 extension according
to RFC 6531 */
bool auth_supported; /* AUTH capability supported by server */
};