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smtp: Minor code tidy up 

Minor tidy up of comments and layout prior to next part of imap work.
This commit is contained in:
Steve Holme 2012-12-28 20:22:33 +00:00
parent 167717b806
commit f6f6f278e2
2 changed files with 23 additions and 13 deletions
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2
lib/curl_smtp.h
View File

@ -64,7 +64,7 @@ struct smtp_conn {
unsigned int authused; /* Auth mechanism used for the connection */
smtpstate state; /* Always use smtp.c:state() to change state! */
struct curl_slist *rcpt; /* Recipient list */
bool ssldone; /* Is connect() over SSL done? only relevant in
bool ssldone; /* Is connect() over SSL done? Only relevant in
multi mode */
bool size_supported; /* If server supports SIZE extension according to
RFC 1870 */

34
lib/smtp.c
View File

@ -204,9 +204,8 @@ static const struct Curl_handler Curl_handler_smtps_proxy = {
#endif
/* Function that checks for an ending smtp status code at the start of the
given string.
As a side effect, it also flags allowed authentication mechanisms according
to EHLO AUTH response. */
given string, but also detects the supported authentication mechanisms
from the EHLO AUTH response. */
static int smtp_endofresp(struct pingpong *pp, int *resp)
{
char *line = pp->linestart_resp;
@ -302,10 +301,12 @@ static void state(struct connectdata *conn, smtpstate newstate)
"QUIT",
/* LAST */
};
if(smtpc->state != newstate)
infof(conn->data, "SMTP %p state change from %s to %s\n",
smtpc, names[smtpc->state], names[newstate]);
#endif
smtpc->state = newstate;
}
@ -492,7 +493,7 @@ static CURLcode smtp_state_starttls_resp(struct connectdata *conn,
else {
if(data->state.used_interface == Curl_if_multi) {
state(conn, SMTP_UPGRADETLS);
return smtp_state_upgrade_tls(conn);
result = smtp_state_upgrade_tls(conn);
}
else {
result = Curl_ssl_connect(conn, FIRSTSOCKET);
@ -602,6 +603,7 @@ static CURLcode smtp_state_auth_plain_resp(struct connectdata *conn,
if(!result)
state(conn, SMTP_AUTH);
}
Curl_safefree(plainauth);
}
}
@ -638,6 +640,7 @@ static CURLcode smtp_state_auth_login_resp(struct connectdata *conn,
if(!result)
state(conn, SMTP_AUTH_PASSWD);
}
Curl_safefree(authuser);
}
}
@ -674,6 +677,7 @@ static CURLcode smtp_state_auth_passwd_resp(struct connectdata *conn,
if(!result)
state(conn, SMTP_AUTH);
}
Curl_safefree(authpasswd);
}
}
@ -728,6 +732,7 @@ static CURLcode smtp_state_auth_cram_resp(struct connectdata *conn,
if(!result)
state(conn, SMTP_AUTH);
}
Curl_safefree(rplyb64);
}
@ -1114,6 +1119,7 @@ static CURLcode smtp_statemach_act(struct connectdata *conn)
struct pingpong *pp = &smtpc->pp;
size_t nread = 0;
/* Busy upgrading the connection; right now all I/O is SSL/TLS, not SMTP */
if(smtpc->state == SMTP_UPGRADETLS)
return smtp_state_upgrade_tls(conn);
@ -1131,7 +1137,7 @@ static CURLcode smtp_statemach_act(struct connectdata *conn)
data->info.httpcode = smtpcode;
if(smtpcode) {
/* we have now received a full SMTP server response */
/* We have now received a full SMTP server response */
switch(smtpc->state) {
case SMTP_SERVERGREET:
result = smtp_state_servergreet_resp(conn, smtpcode, smtpc->state);
@ -1250,7 +1256,7 @@ static CURLcode smtp_easy_statemach(struct connectdata *conn)
}
/* Allocate and initialize the SMTP struct for the current SessionHandle if
* required */
required */
static CURLcode smtp_init(struct connectdata *conn)
{
struct SessionHandle *data = conn->data;
@ -1316,7 +1322,7 @@ static CURLcode smtp_connect(struct connectdata *conn, bool *done)
if((conn->handler->protocol & CURLPROTO_SMTPS) &&
data->state.used_interface != Curl_if_multi) {
/* SMTPS is simply smtp with SSL for the control channel */
/* now, perform the SSL initialization for this socket */
/* so perform the SSL initialization for this socket */
result = Curl_ssl_connect(conn, FIRSTSOCKET);
if(result)
return result;
@ -1325,11 +1331,13 @@ static CURLcode smtp_connect(struct connectdata *conn, bool *done)
/* Initialise the response reader stuff */
Curl_pp_init(pp);
pp->response_time = RESP_TIMEOUT; /* set default response time-out */
/* Set the default response time-out */
pp->response_time = RESP_TIMEOUT;
pp->statemach_act = smtp_statemach_act;
pp->endofresp = smtp_endofresp;
pp->conn = conn;
/* Calculate the path if necessary */
if(!*path) {
if(!Curl_gethostname(localhost, sizeof(localhost)))
path = localhost;
@ -1342,7 +1350,7 @@ static CURLcode smtp_connect(struct connectdata *conn, bool *done)
if(result)
return result;
/* Set the state as we are waiting the server greeting */
/* Start off waiting for the server greeting response */
state(conn, SMTP_SERVERGREET);
if(data->state.used_interface == Curl_if_multi)
@ -1372,6 +1380,7 @@ static CURLcode smtp_done(struct connectdata *conn, CURLcode status,
struct FTP *smtp = data->state.proto.smtp;
CURLcode result = CURLE_OK;
ssize_t bytes_written;
(void)premature;
if(!smtp)
@ -1457,7 +1466,7 @@ static CURLcode smtp_perform(struct connectdata *conn, bool *connected,
if(result)
return result;
/* run the state-machine */
/* Run the state-machine */
if(conn->data->state.used_interface == Curl_if_multi)
result = smtp_multi_statemach(conn, dophase_done);
else {
@ -1604,7 +1613,9 @@ static CURLcode smtp_regular_transfer(struct connectdata *conn,
CURLcode result = CURLE_OK;
bool connected = FALSE;
struct SessionHandle *data = conn->data;
data->req.size = -1; /* make sure this is unknown at this point */
/* Make sure size is unknown at this point */
data->req.size = -1;
Curl_pgrsSetUploadCounter(data, 0);
Curl_pgrsSetDownloadCounter(data, 0);
@ -1614,7 +1625,6 @@ static CURLcode smtp_regular_transfer(struct connectdata *conn,
result = smtp_perform(conn, &connected, dophase_done);
if(CURLE_OK == result) {
if(!*dophase_done)
/* The DO phase has not completed yet */
return CURLE_OK;