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imap: Added support for the STARTTLS 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 12:13:55 +00:00
parent 8170d1f828
commit a1701eea28
2 changed files with 6 additions and 1 deletions
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6
lib/imap.c
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@ -371,8 +371,12 @@ static int imap_endofresp(struct pingpong *pp, int *resp)
line[wordlen] != '\n';) line[wordlen] != '\n';)
wordlen++; wordlen++;
/* Does the server support the STARTTLS capability? */
if(len >= 8 && !memcmp(line, "STARTTLS", 8))
imapc->tls_supported = TRUE;
/* Has the server explicitly disabled clear text authentication? */ /* Has the server explicitly disabled clear text authentication? */
if(wordlen == 13 && !memcmp(line, "LOGINDISABLED", 13)) else if(wordlen == 13 && !memcmp(line, "LOGINDISABLED", 13))
imapc->login_disabled = TRUE; imapc->login_disabled = TRUE;
/* Does the server support the SASL-IR capability? */ /* Does the server support the SASL-IR capability? */

1
lib/imap.h
View File

@ -62,6 +62,7 @@ struct imap_conn {
int cmdid; /* Last used command ID */ int cmdid; /* Last used command ID */
char resptag[5]; /* Response tag to wait for */ char resptag[5]; /* Response tag to wait for */
bool ssldone; /* Is connect() over SSL done? */ bool ssldone; /* Is connect() over SSL done? */
bool tls_supported; /* StartTLS capability supported by server */
bool login_disabled; /* LOGIN command explicitly disabled by server */ bool login_disabled; /* LOGIN command explicitly disabled by server */
bool ir_supported; /* Initial response supported by server */ bool ir_supported; /* Initial response supported by server */
}; };