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authorEric S. Raymond <esr@thyrsus.com>1998-03-13 18:02:14 +0000
committerEric S. Raymond <esr@thyrsus.com>1998-03-13 18:02:14 +0000
commit8517cf573fdb368fa69d776bc113cd95c6646edb (patch)
tree59ae83f9b657dbb48208a9342de80c424fe51271 /driver.c
parent996083bee5b585d53f8232c049ecc23a2c01cac5 (diff)
downloadfetchmail-8517cf573fdb368fa69d776bc113cd95c6646edb.tar.gz
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Nailed.
svn path=/trunk/; revision=1698
Diffstat (limited to 'driver.c')
-rw-r--r--driver.c52
1 files changed, 28 insertions, 24 deletions
diff --git a/driver.c b/driver.c
index be85b040..b14d9a61 100644
--- a/driver.c
+++ b/driver.c
@@ -110,9 +110,10 @@ static int mytimeout; /* value of nonreponse timeout */
static int msglen; /* actual message length */
/* use these to track what was happening when the nonresponse timer fired */
-#define GENERAL_WAIT 0
-#define SERVER_WAIT 1
-#define FORWARDING_WAIT 2
+#define GENERAL_WAIT 0 /* unknown wait type */
+#define SERVER_WAIT 1 /* waiting for mailserver response */
+#define LISTENER_WAIT 2 /* waiting for listener initialization */
+#define FORWARDING_WAIT 3 /* waiting for listener response */
static phase;
static void set_timeout(int timeleft)
@@ -466,6 +467,7 @@ static int smtp_open(struct query *ctl)
*/
struct idlist *idp;
char *id_me = use_invisible ? ctl->server.truename : fetchmailhost;
+ int oldphase = phase;
errno = 0;
@@ -474,6 +476,10 @@ static int smtp_open(struct query *ctl)
* Use both explicit hunt entries (value TRUE) and implicit
* (default) ones (value FALSE).
*/
+ oldphase = phase;
+ phase = LISTENER_WAIT;
+
+ set_timeout(ctl->server.timeout);
for (idp = ctl->smtphunt; idp; idp = idp->next)
{
char *cp, *parsed_host = alloca(strlen(idp->id) + 1);
@@ -523,6 +529,8 @@ static int smtp_open(struct query *ctl)
close(ctl->smtp_socket);
ctl->smtp_socket = -1;
}
+ set_timeout(0);
+ phase = oldphase;
}
if (outlevel >= O_VERBOSE && ctl->smtp_socket != -1)
@@ -661,11 +669,14 @@ int num; /* index of message */
linelen = 0;
line[0] = '\0';
do {
+ set_timeout(ctl->server.timeout);
if ((n = SockRead(sock, buf, sizeof(buf)-1)) == -1) {
+ set_timeout(0);
free(line);
free(headers);
return(PS_SOCKET);
}
+ set_timeout(0);
linelen += n;
msglen += n;
@@ -681,7 +692,6 @@ int num; /* index of message */
}
}
- set_timeout(ctl->server.timeout);
line = (char *) realloc(line, strlen(line) + strlen(buf) +1);
@@ -1532,8 +1542,10 @@ flag forward; /* TRUE to forward */
/* pass through the text lines */
while (protocol->delimited || len > 0)
{
+ set_timeout(ctl->server.timeout);
if ((linelen = SockRead(sock, buf, sizeof(buf)-1)) == -1)
{
+ set_timeout(0);
if (ctl->mda)
{
if (sinkfp)
@@ -1542,7 +1554,7 @@ flag forward; /* TRUE to forward */
}
return(PS_SOCKET);
}
- set_timeout(ctl->server.timeout);
+ set_timeout(0);
/* write the message size dots */
if (linelen > 0)
@@ -1755,7 +1767,7 @@ const struct method *proto; /* protocol method table */
/* set up the server-nonresponse timeout */
sigsave = signal(SIGALRM, timeout_handler);
- set_timeout(mytimeout = ctl->server.timeout);
+ mytimeout = ctl->server.timeout;
if ((js = setjmp(restart)) == 1)
{
@@ -1768,6 +1780,9 @@ const struct method *proto; /* protocol method table */
"timeout after %d seconds waiting for %s.",
ctl->server.timeout,
ctl->mda ? "MDA" : "SMTP");
+ else if (phase == LISTENER_WAIT)
+ error(0, 0,
+ "timeout after %d seconds waiting for listener to respond.");
else
error(0, 0, "timeout after %d seconds.", ctl->server.timeout);
@@ -1843,20 +1858,22 @@ const struct method *proto; /* protocol method table */
#ifdef KERBEROS_V4
if (ctl->server.preauthenticate == A_KERBEROS_V4)
{
+ set_timeout(ctl->server.timeout);
ok = kerberos_auth(sock, ctl->server.truename);
+ set_timeout(0);
if (ok != 0)
goto cleanUp;
- set_timeout(ctl->server.timeout);
}
#endif /* KERBEROS_V4 */
#ifdef KERBEROS_V5
if (ctl->server.preauthenticate == A_KERBEROS_V5)
{
+ set_timeout(ctl->server.timeout);
ok = kerberos5_auth(sock, ctl->server.truename);
+ set_timeout(0);
if (ok != 0)
goto cleanUp;
- set_timeout(ctl->server.timeout);
}
#endif /* KERBEROS_V5 */
@@ -1864,7 +1881,6 @@ const struct method *proto; /* protocol method table */
ok = (protocol->parse_response)(sock, buf);
if (ok != 0)
goto cleanUp;
- set_timeout(ctl->server.timeout);
/* try to get authorized to fetch mail */
if (protocol->getauth)
@@ -1888,7 +1904,6 @@ const struct method *proto; /* protocol method table */
}
goto cleanUp;
}
- set_timeout(ctl->server.timeout);
}
ctl->errcount = fetches = 0;
@@ -1911,7 +1926,6 @@ const struct method *proto; /* protocol method table */
ok = (protocol->getrange)(sock, ctl, idp->id, &count, &new);
if (ok != 0)
goto cleanUp;
- set_timeout(ctl->server.timeout);
/* show user how many messages we downloaded */
if (idp->id)
@@ -1997,7 +2011,6 @@ const struct method *proto; /* protocol method table */
ok = (proto->getsizes)(sock, count, msgsizes);
if (ok != 0)
goto cleanUp;
- set_timeout(ctl->server.timeout);
}
/* read, forward, and delete messages */
@@ -2050,7 +2063,6 @@ const struct method *proto; /* protocol method table */
ok = (protocol->fetch_headers)(sock,ctl,num, &len);
if (ok != 0)
goto cleanUp;
- set_timeout(ctl->server.timeout);
/* -1 means we didn't see a size in the response */
if (len == -1 && msgsizes)
@@ -2092,7 +2104,6 @@ const struct method *proto; /* protocol method table */
suppress_readbody = TRUE;
else if (ok)
goto cleanUp;
- set_timeout(ctl->server.timeout);
/*
* If we're using IMAP4 or something else that
@@ -2109,7 +2120,6 @@ const struct method *proto; /* protocol method table */
if ((ok = (protocol->trail)(sock, ctl, num)))
goto cleanUp;
- set_timeout(ctl->server.timeout);
len = 0;
if (!suppress_forward)
{
@@ -2117,7 +2127,6 @@ const struct method *proto; /* protocol method table */
goto cleanUp;
if (outlevel > O_SILENT && !wholesize)
error_build(" (%d body bytes) ", len);
- set_timeout(ctl->server.timeout);
}
}
@@ -2143,7 +2152,6 @@ const struct method *proto; /* protocol method table */
suppress_delete = suppress_forward = TRUE;
else if (ok)
goto cleanUp;
- set_timeout(ctl->server.timeout);
/* tell server we got it OK and resynchronize */
if (protocol->trail)
@@ -2154,7 +2162,6 @@ const struct method *proto; /* protocol method table */
ok = (protocol->trail)(sock, ctl, num);
if (ok != 0)
goto cleanUp;
- set_timeout(ctl->server.timeout);
}
}
@@ -2261,7 +2268,6 @@ const struct method *proto; /* protocol method table */
ok = (protocol->delete)(sock, ctl, num);
if (ok != 0)
goto cleanUp;
- set_timeout(ctl->server.timeout);
#ifdef POP3_ENABLE
delete_str(&ctl->newsaved, num);
#endif /* POP3_ENABLE */
@@ -2284,7 +2290,6 @@ const struct method *proto; /* protocol method table */
}
no_error:
- set_timeout(ctl->server.timeout);
ok = (protocol->logout_cmd)(sock, ctl);
/*
* Hmmmm...arguably this would be incorrect if we had fetches but
@@ -2292,15 +2297,12 @@ const struct method *proto; /* protocol method table */
*/
if (ok == 0)
ok = (fetches > 0) ? PS_SUCCESS : PS_NOMAIL;
- set_timeout(0);
close(sock);
goto closeUp;
cleanUp:
- set_timeout(ctl->server.timeout);
if (ok != 0 && ok != PS_SOCKET)
(protocol->logout_cmd)(sock, ctl);
- set_timeout(0);
close(sock);
}
@@ -2421,13 +2423,16 @@ int size; /* length of buffer */
int oldphase = phase; /* we don't have to be re-entrant */
phase = SERVER_WAIT;
+ set_timeout(mytimeout);
if (SockRead(sock, buf, size) == -1)
{
+ set_timeout(0);
phase = oldphase;
return(PS_SOCKET);
}
else
{
+ set_timeout(0);
if (buf[strlen(buf)-1] == '\n')
buf[strlen(buf)-1] = '\0';
if (buf[strlen(buf)-1] == '\r')
@@ -2497,7 +2502,6 @@ va_dcl
/* we presume this does its own response echoing */
ok = (protocol->parse_response)(sock, buf);
- set_timeout(mytimeout);
phase = oldphase;
return(ok);