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diff --git a/imap/fetchnews.c b/imap/fetchnews.c
index 4215b258c..3cf478af7 100644
--- a/imap/fetchnews.c
+++ b/imap/fetchnews.c
@@ -1,392 +1,381 @@
/* fetchnews.c -- Program to pull new articles from a peer and push to server
*
* Copyright (c) 1998-2003 Carnegie Mellon University. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The name "Carnegie Mellon University" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For permission or any other legal
* details, please contact
* Office of Technology Transfer
* Carnegie Mellon University
* 5000 Forbes Avenue
* Pittsburgh, PA 15213-3890
* (412) 268-4387, fax: (412) 268-7395
* tech-transfer@andrew.cmu.edu
*
* 4. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by Computing Services
* at Carnegie Mellon University (http://www.cmu.edu/computing/)."
*
* CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
- * $Id: fetchnews.c,v 1.2 2003/10/22 18:02:57 rjs3 Exp $
+ * $Id: fetchnews.c,v 1.3 2004/01/02 01:14:32 ken3 Exp $
*/
#include <config.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <stdio.h>
#include <string.h>
#include <syslog.h>
#include <signal.h>
#include <netdb.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <sys/un.h>
#include "exitcodes.h"
#include "global.h"
#include "lock.h"
#include "prot.h"
#include "xmalloc.h"
/* global state */
const int config_need_data = 0;
void usage(void)
{
fprintf(stderr,
- "fetchnews [-C <altconfig>] [-s <server>] [-w <wildmat>] [-f <tstamp file>] <peer>\n");
+ "fetchnews [-C <altconfig>] [-s <server>] [-w <wildmat>] [-f <tstamp file>]\n"
+ " [-a <authname> -p <password>] <peer>\n");
exit(-1);
}
int init_net(const char *host, char *port,
struct protstream **in, struct protstream **out)
{
int sock = -1, err;
struct addrinfo hints, *res, *res0;
memset(&hints, 0, sizeof(hints));
hints.ai_family = PF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
hints.ai_protocol = 0;
if ((err = getaddrinfo(host, port, &hints, &res0)) != 0) {
syslog(LOG_ERR, "getaddrinfo(%s, %s) failed: %m", host, port);
return -1;
}
for (res = res0; res; res = res->ai_next) {
if ((sock = socket(res->ai_family, res->ai_socktype,
res->ai_protocol)) < 0)
continue;
if (connect(sock, res->ai_addr, res->ai_addrlen) >= 0)
break;
close(sock);
sock = -1;
}
freeaddrinfo(res0);
if(sock < 0) {
syslog(LOG_ERR, "connect(%s:%s) failed: %m", host, port);
return -1;
}
*in = prot_new(sock, 0);
*out = prot_new(sock, 1);
prot_setflushonread(*in, *out);
return sock;
}
#define MSGID_GROW 100
int main(int argc, char *argv[])
{
extern char *optarg;
int opt;
char *alt_config = NULL, *port = "119";
const char *peer = NULL, *server = "localhost", *wildmat = "*";
char *authname = NULL, *password = NULL;
int psock = -1, ssock = -1;
struct protstream *pin, *pout, *sin, *sout;
char buf[4096], sbuf[4096];
char sfile[1024] = "";
int fd, i, offered, rejected, accepted, failed;
time_t stamp;
struct tm *tm;
char **msgid = NULL;
if (geteuid() == 0) fatal("must run as the Cyrus user", EC_USAGE);
while ((opt = getopt(argc, argv, "C:s:w:f:a:p:")) != EOF) {
switch (opt) {
case 'C': /* alt config file */
alt_config = optarg;
break;
case 's': /* server */
server = xstrdup(optarg);
if ((port = strchr(server, ':')))
*port++ = '\0';
else
port = "119";
break;
case 'w': /* wildmat */
wildmat = optarg;
break;
case 'f': /* timestamp file */
snprintf(sfile, sizeof(sfile), optarg);
break;
case 'a': /* authname */
authname = optarg;
break;
case 'p': /* password */
password = optarg;
break;
default:
usage();
/* NOTREACHED */
}
}
if (argc - optind < 1) {
usage();
/* NOTREACHED */
}
peer = argv[optind++];
cyrus_init(alt_config, "fetchnews");
/* connect to the peer */
/* xxx configurable port number? */
if ((psock = init_net(peer, "119", &pin, &pout)) < 0) {
fprintf(stderr, "connection to %s failed\n", peer);
cyrus_done();
exit(-1);
}
/* read the initial greeting */
if (!prot_fgets(buf, sizeof(buf), pin) || strncmp("20", buf, 2)) {
syslog(LOG_ERR, "peer not available");
goto quit;
}
if (authname) {
/* authenticate to peer */
/* XXX this should be modified to support SASL and STARTTLS */
prot_printf(pout, "AUTHINFO USER %s\r\n", authname);
if (!prot_fgets(buf, sizeof(buf), pin)) {
syslog(LOG_ERR, "AUTHINFO USER terminated abnormally");
goto quit;
}
else if (!strncmp("381", buf, 3)) {
/* password required */
if (!password)
password = getpass("Please enter the password: ");
if (!password) {
fprintf(stderr, "failed to get password\n");
goto quit;
}
prot_printf(pout, "AUTHINFO PASS %s\r\n", password);
if (!prot_fgets(buf, sizeof(buf), pin)) {
syslog(LOG_ERR, "AUTHINFO PASS terminated abnormally");
goto quit;
}
}
if (strncmp("281", buf, 3)) {
/* auth failed */
goto quit;
}
}
/* change to reader mode - not always necessary, so ignore result */
prot_printf(pout, "MODE READER\r\n");
prot_fgets(buf, sizeof(buf), pin);
- /* connect to the server */
- if ((ssock = init_net(server, port, &sin, &sout)) < 0) {
- fprintf(stderr, "connection to %s failed\n", server);
- goto quit;
- }
-
- /* read the initial greeting */
- if (!prot_fgets(buf, sizeof(buf), sin) || strncmp("20", buf, 2)) {
- syslog(LOG_ERR, "server not available");
- goto quit;
- }
-
- /* tell the server we're going to do streaming */
- prot_printf(sout, "MODE STREAM\r\n");
- if (!prot_fgets(sbuf, sizeof(sbuf), sin)) {
- syslog(LOG_ERR, "MODE STREAM terminated abnormally");
- goto quit;
- }
- else if (strncmp("203", sbuf, 3)) {
- /* server doesn't support STREAM */
- goto quit;
- }
-
/* read the previous timestamp */
if (!sfile[0]) snprintf(sfile, sizeof(sfile), "%s/newsstamp", config_dir);
if ((fd = open(sfile, O_RDWR | O_CREAT, 0644)) == -1) {
syslog(LOG_ERR, "can not open %s", sfile);
goto quit;
}
if (lock_nonblocking(fd) == -1) {
syslog(LOG_ERR, "can not lock %s: %m", sfile);
goto quit;
}
if (read(fd, &stamp, sizeof(stamp)) < sizeof(stamp)) {
/* XXX do something better here */
stamp = time(NULL);
}
/* ask for new articles */
tm = gmtime(&stamp);
strftime(buf, sizeof(buf), "%Y%m%d %H%M%S", tm);
prot_printf(pout, "NEWNEWS %s %s GMT\r\n", wildmat, buf);
if (!prot_fgets(buf, sizeof(buf), pin) || strncmp("23", buf, 2)) {
syslog(LOG_ERR, "peer doesn't support NEWNEWS");
goto quit;
}
/* process the list */
stamp = time(NULL);
offered = rejected = accepted = failed = 0;
while (prot_fgets(buf, sizeof(buf), pin)) {
if (buf[0] == '.') break;
if (!(offered % MSGID_GROW)) { /* time to alloc more */
msgid = (char **)
xrealloc(msgid, (offered + MSGID_GROW) * sizeof(char *));
}
msgid[offered++] = xstrdup(buf);
}
if (buf[0] != '.') {
syslog(LOG_ERR, "NEWNEWS terminated abnormally");
goto quit;
}
+ if (!offered) goto quit;
+
+ /* connect to the server */
+ if ((ssock = init_net(server, port, &sin, &sout)) < 0) {
+ fprintf(stderr, "connection to %s failed\n", server);
+ goto quit;
+ }
+
+ /* read the initial greeting */
+ if (!prot_fgets(buf, sizeof(buf), sin) || strncmp("20", buf, 2)) {
+ syslog(LOG_ERR, "server not available");
+ goto quit;
+ }
/* fetch and store articles */
/* XXX the output of NEWNEWS already contains the terminating \r\n
- after the msgid, so we don't need to add it to CHECK/ARTICLE/TAKETHIS */
+ after the msgid, so we don't need to add it to IHAVE or ARTICLE */
for (i = 0; i < offered; i++) {
/* see if we want this article */
- prot_printf(sout, "CHECK %s", msgid[i]);
+ prot_printf(sout, "IHAVE %s", msgid[i]);
if (!prot_fgets(sbuf, sizeof(sbuf), sin)) {
- syslog(LOG_ERR, "CHECK terminated abnormally");
+ syslog(LOG_ERR, "IHAVE terminated abnormally");
goto quit;
}
- else if (strncmp("238", sbuf, 3)) {
+ else if (strncmp("335", sbuf, 3)) {
/* don't want it */
rejected++;
continue;
}
/* fetch the article */
prot_printf(pout, "ARTICLE %s", msgid[i]);
if (!prot_fgets(buf, sizeof(buf), pin)) {
syslog(LOG_ERR, "ARTICLE terminated abnormally");
goto quit;
}
else if (strncmp("220", buf, 3)) {
- /* doh! the article doesn't exist */
- failed++;
- continue;
+ /* doh! the article doesn't exist, terminate IHAVE */
+ prot_printf(sout, ".\r\n");
}
else {
/* store the article */
- prot_printf(sout, "TAKETHIS %s", msgid[i]);
while (prot_fgets(buf, sizeof(buf), pin)) {
prot_write(sout, buf, strlen(buf));
if (buf[0] == '.' && buf[1] != '.') break;
}
if (buf[0] != '.') {
syslog(LOG_ERR, "ARTICLE terminated abnormally");
goto quit;
}
}
/* see how we did */
if (!prot_fgets(buf, sizeof(buf), sin)) {
- syslog(LOG_ERR, "TAKETHIS terminated abnormally");
+ syslog(LOG_ERR, "IHAVE terminated abnormally");
goto quit;
}
- else if (!strncmp("239", buf, 3))
+ else if (!strncmp("235", buf, 3))
accepted++;
else
failed++;
}
syslog(LOG_NOTICE,
"fetchnews: offered %d, rejected %d, accepted %d, failed %d",
offered, rejected, accepted, failed);
/* write the current timestamp */
lseek(fd, 0, SEEK_SET);
if (write(fd, &stamp, sizeof(stamp)) < sizeof(stamp))
syslog(LOG_ERR, "error writing %s", sfile);
lock_unlock(fd);
close(fd);
quit:
if (psock >= 0) {
prot_printf(pout, "QUIT\r\n");
prot_flush(pout);
/* Flush the incoming buffer */
prot_NONBLOCK(pin);
prot_fill(pin);
/* close/free socket & prot layer */
close(psock);
prot_free(pin);
prot_free(pout);
}
if (ssock >= 0) {
prot_printf(sout, "QUIT\r\n");
prot_flush(sout);
/* Flush the incoming buffer */
prot_NONBLOCK(sin);
prot_fill(sin);
/* close/free socket & prot layer */
close(psock);
prot_free(sin);
prot_free(sout);
}
cyrus_done();
return 0;
}

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