/*
* Copyright notice from original mutt:
* Copyright (C) 1998 Brandon Long <blong@fiction.net>
* Copyright (C) 1999 Andrej Gritsenko <andrej@lucky.net>
* Copyright (C) 2000-2002 Vsevolod Volkov <vvv@mutt.org.ua>
*
* This file is part of mutt-ng, see http://www.muttng.org/.
* It's licensed under the GNU General Public License,
* please see the file GPL in the top level source directory.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "mutt.h"
#include "mutt_curses.h"
#include "sort.h"
#include "mx.h"
#include "mx_nntp.h"
#include "mime.h"
#include "rfc1524.h"
#include "rfc2047.h"
#include "nntp.h"
#include "sidebar.h"
#include "buffy.h"
#include "mutt_crypt.h"
#include "lib/mem.h"
#include "lib/str.h"
#include "lib/intl.h"
#include "lib/debug.h"
#include <unistd.h>
#include <string.h>
#include <ctype.h>
#include <stdlib.h>
#define WANT_LISTGROUP_COMMAND 0
static unsigned int _checked = 0;
void nntp_sync_sidebar (NNTP_DATA* data) {
int i = 0;
BUFFY* tmp = NULL;
char buf[STRING];
if (list_empty (Incoming))
return;
/* unfortunately, NNTP_DATA::group only is the plain
* group name, so for every single update, we need to
* compose the full string which must be defined via
* mailboxes command ;-((( FIXME
*/
buf[0] = '\0';
snprintf (buf, sizeof (buf), "nntp%s://%s%s%s%s/%s",
(data->nserv->conn->account.flags & M_ACCT_SSL) ? "s" : "",
NONULL (data->nserv->conn->account.user),
*data->nserv->conn->account.pass ? ":" : "",
*data->nserv->conn->account.pass ? data->nserv->conn->account.pass : "",
data->nserv->conn->account.host,
data->group);
/* bail out if group not found via mailboxes */
if ((i = buffy_lookup (buf)) < 0)
return;
tmp = (BUFFY*) Incoming->data[i];
/* copied from browser.c */
if (option (OPTMARKOLD) &&
data->lastCached >= data->firstMessage &&
data->lastCached <= data->lastMessage)
tmp->msg_unread = data->lastMessage - data->lastCached;
else
tmp->msg_unread = data->unread;
tmp->new = data->unread > 0;
/* this is closest to a "total" count we can get */
tmp->msgcount = data->lastMessage - data->firstMessage;
}
static void nntp_error (const char *where, const char *msg) {
debug_print (1, ("unexpected response in %s: %s\n", where, msg));
}
static int nntp_auth (NNTP_SERVER * serv)
{
CONNECTION *conn = serv->conn;
char buf[STRING];
unsigned char flags = conn->account.flags;
if (mutt_account_getuser (&conn->account) || !conn->account.user[0] ||
mutt_account_getpass (&conn->account) || !conn->account.pass[0]) {
conn->account.flags = flags;
return -2;
}
mutt_message _("Logging in...");
snprintf (buf, sizeof (buf), "AUTHINFO USER %s\r\n", conn->account.user);
mutt_socket_write (conn, buf);
if (mutt_socket_readln (buf, sizeof (buf), conn) < 0) {
conn->account.flags = flags;
return -1;
}
#ifdef DEBUG
/* don't print the password unless we're at the ungodly debugging level */
if (DebugLevel < M_SOCK_LOG_FULL)
debug_print (M_SOCK_LOG_CMD, ("> AUTHINFO PASS *\n"));
#endif
snprintf (buf, sizeof (buf), "AUTHINFO PASS %s\r\n", conn->account.pass);
mutt_socket_write_d (conn, buf, M_SOCK_LOG_FULL);
if (mutt_socket_readln (buf, sizeof (buf), conn) < 0) {
conn->account.flags = flags;
return -1;
}
if (str_ncmp ("281", buf, 3)) {
conn->account.flags = flags;
mutt_error _("Login failed.");
sleep (2);
return -3;
}
return 0;
}
static int nntp_connect_error (NNTP_SERVER * serv)
{
serv->status = NNTP_NONE;
mutt_socket_close (serv->conn);
mutt_error _("Server closed connection!");
sleep (2);
return -1;
}
static int nntp_connect_and_auth (NNTP_SERVER * serv)
{
CONNECTION *conn = serv->conn;
char buf[STRING];
int rc;
serv->status = NNTP_NONE;
if (mutt_socket_open (conn) < 0)
return -1;
if (mutt_socket_readln (buf, sizeof (buf), conn) < 0)
return nntp_connect_error (serv);
if (!str_ncmp ("200", buf, 3))
mutt_message (_("Connected to %s. Posting ok."), conn->account.host);
else if (!str_ncmp ("201", buf, 3))
mutt_message (_("Connected to %s. Posting NOT ok."), conn->account.host);
else {
mutt_socket_close (conn);
str_skip_trailws (buf);
mutt_error ("%s", buf);
sleep (2);
return -1;
}
sleep (1);
/* Tell INN to switch to mode reader if it isn't so. Ignore all
returned codes and messages. */
mutt_socket_write (conn, "MODE READER\r\n");
if (mutt_socket_readln (buf, sizeof (buf), conn) < 0)
return nntp_connect_error (serv);
mutt_socket_write (conn, "STAT\r\n");
if (mutt_socket_readln (buf, sizeof (buf), conn) < 0)
return nntp_connect_error (serv);
if (!(conn->account.flags & M_ACCT_USER) && str_ncmp ("480", buf, 3)) {
serv->status = NNTP_OK;
return 0;
}
rc = nntp_auth (serv);
if (rc == -1)
return nntp_connect_error (serv);
if (rc == -2) {
mutt_socket_close (conn);
serv->status = NNTP_BYE;
return -1;
}
if (rc < 0) {
mutt_socket_close (conn);
mutt_error _("Login failed.");
sleep (2);
return -1;
}
serv->status = NNTP_OK;
return 0;
}
static int nntp_attempt_features (NNTP_SERVER * serv)
{
char buf[LONG_STRING];
CONNECTION *conn = serv->conn;
mutt_socket_write (conn, "XOVER\r\n");
if (mutt_socket_readln (buf, sizeof (buf), conn) < 0)
return nntp_connect_error (serv);
if (str_ncmp ("500", buf, 3))
serv->hasXOVER = 1;
mutt_socket_write (conn, "XPAT\r\n");
if (mutt_socket_readln (buf, sizeof (buf), conn) < 0)
return nntp_connect_error (serv);
if (str_ncmp ("500", buf, 3))
serv->hasXPAT = 1;
#if WANT_LISTGROUP_COMMAND
mutt_socket_write (conn, "LISTGROUP\r\n");
if (mutt_socket_readln (buf, sizeof (buf), conn) < 0)
return (nntp_connect_error (serv));
if (str_ncmp ("500", buf, 3))
serv->hasLISTGROUP = 1;
#endif
mutt_socket_write (conn, "XGTITLE +\r\n");
if (mutt_socket_readln (buf, sizeof (buf), conn) < 0)
return nntp_connect_error (serv);
if (str_ncmp ("500", buf, 3))
serv->hasXGTITLE = 1;
if (!str_ncmp ("282", buf, 3)) {
do {
if (mutt_socket_readln (buf, sizeof (buf), conn) < 0)
return nntp_connect_error (serv);
} while (!(buf[0] == '.' && buf[1] == '\0'));
}
return 0;
}
static int nntp_open_connection (NNTP_SERVER * serv)
{
if (serv->status == NNTP_OK)
return 0;
if (serv->status == NNTP_BYE)
return -1;
if (nntp_connect_and_auth (serv) < 0)
return -1;
if (nntp_attempt_features (serv) < 0)
return -1;
return 0;
}
static int nntp_reconnect (NNTP_SERVER * serv)
{
char buf[SHORT_STRING];
mutt_socket_close (serv->conn);
FOREVER {
if (nntp_connect_and_auth (serv) == 0)
return 0;
snprintf (buf, sizeof (buf), _("Connection to %s lost. Reconnect?"),
serv->conn->account.host);
if (query_quadoption (OPT_NNTPRECONNECT, buf) != M_YES) {
serv->status = NNTP_BYE;
return -1;
}
}
}
/* Send data from line[LONG_STRING] and receive answer to same line */
static int mutt_nntp_query (NNTP_DATA * data, char *line, size_t linelen)
{
char buf[LONG_STRING];
int done = TRUE;
if (data->nserv->status == NNTP_BYE)
return -1;
do {
if (*line) {
mutt_socket_write (data->nserv->conn, line);
}
else if (data->group) {
snprintf (buf, sizeof (buf), "GROUP %s\r\n", data->group);
mutt_socket_write (data->nserv->conn, buf);
}
done = TRUE;
if (mutt_socket_readln (buf, sizeof (buf), data->nserv->conn) < 0) {
if (nntp_reconnect (data->nserv) < 0)
return -1;
if (data->group) {
snprintf (buf, sizeof (buf), "GROUP %s\r\n", data->group);
mutt_socket_write (data->nserv->conn, buf);
if (mutt_socket_readln (buf, sizeof (buf), data->nserv->conn) < 0)
return -1;
}
if (*line)
done = FALSE;
}
else if ((!str_ncmp ("480", buf, 3)) && nntp_auth (data->nserv) < 0)
return -1;
} while (!done);
strfcpy (line, buf, linelen);
return 0;
}
/*
* This function calls funct(*line, *data) for each received line,
* funct(NULL, *data) if rewind(*data) needs, exits when fail or done.
* Returned codes:
* 0 - successful,
* 1 - correct but not performed (may be, have to be continued),
* -1 - conection lost,
* -2 - invalid command or execution error,
* -3 - error in funct(*line, *data).
*/
static int mutt_nntp_fetch (NNTP_DATA * nntp_data, char *query, char *msg,
progress_t* bar, int (*funct) (char *, void *),
void *data, int tagged)
{
char buf[LONG_STRING];
char *inbuf, *p;
int done = FALSE;
int chunk, line;
long pos = 0;
size_t lenbuf = 0;
int ret;
do {
strfcpy (buf, query, sizeof (buf));
if (mutt_nntp_query (nntp_data, buf, sizeof (buf)) < 0)
return -1;
if (buf[0] == '5')
return -2;
if (buf[0] != '2')
return 1;
ret = 0;
line = 0;
inbuf = mem_malloc (sizeof (buf));
FOREVER {
chunk = mutt_socket_readln_d (buf, sizeof (buf), nntp_data->nserv->conn,
M_SOCK_LOG_HDR);
if (chunk < 0)
break;
p = buf;
if (!lenbuf && buf[0] == '.') {
if (buf[1] == '\0') {
done = TRUE;
break;
}
if (buf[1] == '.')
p++;
}
strfcpy (inbuf + lenbuf, p, sizeof (buf));
pos += chunk;
if (chunk >= sizeof (buf)) {
lenbuf += str_len (p);
}
else {
if (bar) {
mutt_progress_bar (bar, pos);
} else if (msg) {
line++;
if (ReadInc && (line % ReadInc == 0)) {
if (tagged)
mutt_message (_("%s (tagged: %d) %d"), msg, tagged, line);
else
mutt_message ("%s %d", msg, line);
}
}
if (ret == 0 && funct (inbuf, data) < 0)
ret = -3;
lenbuf = 0;
}
mem_realloc (&inbuf, lenbuf + sizeof (buf));
}
mem_free (&inbuf);
funct (NULL, data);
}
while (!done);
return ret;
}
static int nntp_read_tempfile (char *line, void *file)
{
FILE *f = (FILE *) file;
if (!line)
rewind (f);
else {
fputs (line, f);
if (fputc ('\n', f) == EOF)
return -1;
}
return 0;
}
static void nntp_parse_xref (CONTEXT * ctx, char *group, char *xref,
HEADER * h)
{
register char *p, *b;
register char *colon = NULL;
b = p = xref;
while (*p) {
/* skip to next word */
b = p;
while (*b && ((*b == ' ') || (*b == '\t')))
b++;
p = b;
colon = NULL;
/* skip to end of word */
while (*p && (*p != ' ') && (*p != '\t')) {
if (*p == ':')
colon = p;
p++;
}
if (*p) {
*p = '\0';
p++;
}
if (colon) {
*colon = '\0';
colon++;
nntp_get_status (ctx, h, b, atoi (colon));
if (h && h->article_num == 0 && str_cmp (group, b) == 0)
h->article_num = atoi (colon);
}
}
}
/*
* returns:
* 0 on success
* 1 if article not found
* -1 if read or write error on tempfile or socket
*/
static int nntp_read_header (CONTEXT * ctx, const char *msgid,
int article_num)
{
NNTP_DATA *nntp_data = ((NNTP_DATA *) ctx->data);
FILE *f;
char buf[LONG_STRING];
char tempfile[_POSIX_PATH_MAX];
int ret;
HEADER *h = ctx->hdrs[ctx->msgcount];
mutt_mktemp (tempfile);
if (!(f = safe_fopen (tempfile, "w+")))
return -1;
if (!msgid)
snprintf (buf, sizeof (buf), "HEAD %d\r\n", article_num);
else
snprintf (buf, sizeof (buf), "HEAD %s\r\n", msgid);
ret = mutt_nntp_fetch (nntp_data, buf, NULL, NULL, nntp_read_tempfile, f, 0);
if (ret) {
if (ret != -1)
debug_print (1, ("%s\n", buf));
fclose (f);
unlink (tempfile);
return (ret == -1 ? -1 : 1);
}
h->article_num = article_num;
h->env = mutt_read_rfc822_header (f, h, 0, 0);
fclose (f);
unlink (tempfile);
if (h->env->xref != NULL)
nntp_parse_xref (ctx, nntp_data->group, h->env->xref, h);
else if (h->article_num == 0 && msgid) {
snprintf (buf, sizeof (buf), "STAT %s\r\n", msgid);
if (mutt_nntp_query (nntp_data, buf, sizeof (buf)) == 0)
h->article_num = atoi (buf + 4);
}
return 0;
}
static int parse_description (char *line, void *n)
{
#define news ((NNTP_SERVER *) n)
register char *d = line;
NNTP_DATA *data;
if (!line)
return 0;
while (*d && *d != '\t' && *d != ' ')
d++;
*d = 0;
d++;
while (*d && (*d == '\t' || *d == ' '))
d++;
debug_print (2, ("group: %s, desc: %s\n", line, d));
if ((data = (NNTP_DATA *) hash_find (news->newsgroups, line)) != NULL &&
str_cmp (d, data->desc)) {
mem_free (&data->desc);
data->desc = str_dup (d);
}
return 0;
#undef news
}
static void nntp_get_desc (NNTP_DATA * data, char *mask, char *msg, progress_t* bar)
{
char buf[STRING];
if (!option (OPTLOADDESC) || !data || !data->nserv)
return;
/* Get newsgroup description, if we can */
if (data->nserv->hasXGTITLE)
snprintf (buf, sizeof (buf), "XGTITLE %s\r\n", mask);
else
snprintf (buf, sizeof (buf), "LIST NEWSGROUPS %s\r\n", mask);
if (mutt_nntp_fetch (data, buf, msg, bar, parse_description, data->nserv, 0) !=
0) {
#ifdef DEBUG
nntp_error ("nntp_get_desc()", buf);
#endif
}
}
/*
* XOVER returns a tab separated list of:
* id|subject|from|date|Msgid|references|bytes|lines|xref
*
* This has to duplicate some of the functionality of
* mutt_read_rfc822_header(), since it replaces the call to that (albeit with
* a limited number of headers which are "parsed" by placement in the list)
*/
static int nntp_parse_xover (CONTEXT * ctx, char *buf, HEADER * hdr)
{
NNTP_DATA *nntp_data = (NNTP_DATA *) ctx->data;
char *p, *b;
int x, done = 0;
hdr->env = mutt_new_envelope ();
hdr->env->newsgroups = str_dup (nntp_data->group);
hdr->content = mutt_new_body ();
hdr->content->type = TYPETEXT;
hdr->content->subtype = str_dup ("plain");
hdr->content->encoding = ENC7BIT;
hdr->content->disposition = DISPINLINE;
hdr->content->length = -1;
b = p = buf;
for (x = 0; !done && x < 9; x++) {
/* if from file, need to skip newline character */
while (*p && *p != '\n' && *p != '\t')
p++;
if (!*p)
done++;
*p = '\0';
p++;
switch (x) {
case 0:
hdr->article_num = atoi (b);
nntp_get_status (ctx, hdr, NULL, hdr->article_num);
break;
case 1:
hdr->env->subject = str_dup (b);
break;
case 2:
rfc822_free_address (&hdr->env->from);
hdr->env->from = rfc822_parse_adrlist (hdr->env->from, b);
/* same as for mutt_parse_rfc822_line():
* don't leave from info NULL if there's an invalid address (or
* whatever) in From: field; mutt would just display it as empty
* and mark mail/(esp.) news article as your own. aaargh! this
* bothered me for _years_ */
if (!hdr->env->from) {
hdr->env->from = rfc822_new_address ();
hdr->env->from->personal = str_dup (b);
}
break;
case 3:
hdr->date_sent = mutt_parse_date (b, hdr);
hdr->received = hdr->date_sent;
break;
case 4:
mem_free (&hdr->env->message_id);
hdr->env->message_id = str_dup (b);
break;
case 5:
mutt_free_list (&hdr->env->references);
hdr->env->references = mutt_parse_references (b, 0);
break;
case 6:
hdr->content->length = atoi (b);
break;
case 7:
hdr->lines = atoi (b);
break;
case 8:
if (!hdr->read)
mem_free (&hdr->env->xref);
b = b + 6; /* skips the "Xref: " */
hdr->env->xref = str_dup (b);
nntp_parse_xref (ctx, nntp_data->group, b, hdr);
}
rfc2047_decode_envelope (hdr->env);
if (!*p)
return -1;
b = p;
}
return 0;
}
typedef struct {
CONTEXT *ctx;
unsigned int base;
unsigned int first;
unsigned int last;
unsigned short *messages;
char *msg;
} FETCH_CONTEXT;
#define fc ((FETCH_CONTEXT *) c)
#if WANT_LISTGROUP_COMMAND
static int _nntp_fetch_numbers (unsigned int num, void *c)
{
if (num < fc->base || num > fc->last)
return 0;
fc->messages[num - fc->base] = 1;
return 0;
}
static int nntp_fetch_numbers (char *line, void *c)
{
if (!line)
return 0;
return (_nntp_fetch_numbers ((unsigned int) atoi (line), c));
}
#endif
static int add_xover_line (char *line, void *c)
{
unsigned int num, total;
CONTEXT *ctx = fc->ctx;
NNTP_DATA *data = (NNTP_DATA *) ctx->data;
if (!line)
return 0;
if (ctx->msgcount >= ctx->hdrmax)
mx_alloc_memory (ctx);
ctx->hdrs[ctx->msgcount] = mutt_new_header ();
ctx->hdrs[ctx->msgcount]->index = ctx->msgcount;
nntp_parse_xover (ctx, line, ctx->hdrs[ctx->msgcount]);
num = ctx->hdrs[ctx->msgcount]->article_num;
if (num >= fc->first && num <= fc->last && fc->messages[num - fc->base]) {
ctx->msgcount++;
if (num > data->lastLoaded)
data->lastLoaded = num;
num = num - fc->first + 1;
total = fc->last - fc->first + 1;
if (!ctx->quiet && fc->msg && ReadInc && (num % ReadInc == 0))
mutt_message ("%s %d/%d", fc->msg, num, total);
}
else
mutt_free_header (&ctx->hdrs[ctx->msgcount]); /* skip it */
return 0;
}
#undef fc
static int nntp_fetch_headers (CONTEXT * ctx, unsigned int first,
unsigned int last)
{
char buf[HUGE_STRING];
char *msg = _("Fetching message headers...");
char *msg2 = _("Fetching headers from cache...");
NNTP_DATA *nntp_data = ((NNTP_DATA *) ctx->data);
int ret;
int num;
int oldmsgcount;
unsigned int current;
FILE *f;
FETCH_CONTEXT fc;
/* if empty group or nothing to do */
if (!last || first > last)
return 0;
/* fetch list of articles */
mutt_message _("Fetching list of articles...");
fc.ctx = ctx;
fc.base = first;
fc.last = last;
fc.messages = mem_calloc (last - first + 1, sizeof (unsigned short));
#if WANT_LISTGROUP_COMMAND
if (nntp_data->nserv->hasLISTGROUP) {
snprintf (buf, sizeof (buf), "LISTGROUP %s\r\n", nntp_data->group);
if (mutt_nntp_fetch (nntp_data, buf, NULL, NULL, nntp_fetch_numbers, &fc, 0) !=
0) {
mutt_error (_("LISTGROUP command failed: %s"), buf);
sleep (2);
#ifdef DEBUG
nntp_error ("nntp_fetch_headers()", buf);
#endif
mem_free (&fc.messages);
return -1;
}
}
else {
#endif
for (num = 0; num < last - first + 1; num++)
fc.messages[num] = 1;
#if WANT_LISTGROUP_COMMAND
}
#endif
/* CACHE: must be loaded xover cache here */
num = nntp_data->lastCached - first + 1;
if (option (OPTNEWSCACHE) && nntp_data->cache && num > 0) {
nntp_cache_expand (buf, nntp_data->cache);
mutt_message (msg2);
if ((f = safe_fopen (buf, "r"))) {
int r = 0, c = 0;
/* counting number of lines */
while (fgets (buf, sizeof (buf), f) != NULL)
r++;
rewind (f);
while (r > num && fgets (buf, sizeof (buf), f) != NULL)
r--;
oldmsgcount = ctx->msgcount;
fc.first = first;
fc.last = first + num - 1;
fc.msg = NULL;
while (fgets (buf, sizeof (buf), f) != NULL) {
if (ReadInc && ((++c) % ReadInc == 0))
mutt_message ("%s %d/%d", msg2, c, r);
add_xover_line (buf, &fc);
}
fclose (f);
nntp_data->lastLoaded = fc.last;
first = fc.last + 1;
if (ctx->msgcount > oldmsgcount)
mx_update_context (ctx, ctx->msgcount - oldmsgcount);
}
else
nntp_delete_cache (nntp_data);
}
num = last - first + 1;
if (num <= 0) {
mem_free (&fc.messages);
return 0;
}
/*
* Without XOVER, we have to fetch each article header and parse
* it. With XOVER, we ask for all of them
*/
mutt_message (msg);
if (nntp_data->nserv->hasXOVER) {
oldmsgcount = ctx->msgcount;
fc.first = first;
fc.last = last;
fc.msg = msg;
snprintf (buf, sizeof (buf), "XOVER %d-%d\r\n", first, last);
ret = mutt_nntp_fetch (nntp_data, buf, NULL, NULL, add_xover_line, &fc, 0);
if (ctx->msgcount > oldmsgcount)
mx_update_context (ctx, ctx->msgcount - oldmsgcount);
if (ret != 0) {
mutt_error (_("XOVER command failed: %s"), buf);
#ifdef DEBUG
nntp_error ("nntp_fetch_headers()", buf);
#endif
mem_free (&fc.messages);
return -1;
}
/* fetched OK */
}
else
for (current = first; current <= last; current++) {
HEADER *h;
ret = current - first + 1;
mutt_message ("%s %d/%d", msg, ret, num);
if (!fc.messages[current - fc.base])
continue;
if (ctx->msgcount >= ctx->hdrmax)
mx_alloc_memory (ctx);
h = ctx->hdrs[ctx->msgcount] = mutt_new_header ();
h->index = ctx->msgcount;
ret = nntp_read_header (ctx, NULL, current);
if (ret == 0) { /* Got article. Fetch next header */
nntp_get_status (ctx, h, NULL, h->article_num);
ctx->msgcount++;
mx_update_context (ctx, 1);
}
else
mutt_free_header (&h); /* skip it */
if (ret == -1) {
mem_free (&fc.messages);
return -1;
}
if (current > nntp_data->lastLoaded)
nntp_data->lastLoaded = current;
}
mem_free (&fc.messages);
nntp_data->lastLoaded = last;
mutt_clear_error ();
return 0;
}
/*
* currently, nntp "mailbox" is "newsgroup"
*/
int nntp_open_mailbox (CONTEXT * ctx)
{
NNTP_DATA *nntp_data;
NNTP_SERVER *serv;
char buf[HUGE_STRING];
char server[LONG_STRING];
int count = 0;
unsigned int first;
ACCOUNT acct;
memset (&acct, 0, sizeof (ACCOUNT));
if (nntp_parse_url (ctx->path, &acct, buf, sizeof (buf)) < 0 || !*buf) {
mutt_error (_("%s is an invalid newsgroup specification!"), ctx->path);
mutt_sleep (2);
return -1;
}
server[0] = '\0';
nntp_expand_path (server, sizeof (server), &acct);
if (!(serv = mutt_select_newsserver (server)) || serv->status != NNTP_OK)
return -1;
CurrentNewsSrv = serv;
/* create NNTP-specific state struct if nof found in list */
if ((nntp_data = (NNTP_DATA *) hash_find (serv->newsgroups, buf)) == NULL) {
nntp_data = mem_calloc (1, sizeof (NNTP_DATA) + str_len (buf) + 1);
nntp_data->group = (char *) nntp_data + sizeof (NNTP_DATA);
strcpy (nntp_data->group, buf);
hash_insert (serv->newsgroups, nntp_data->group, nntp_data, 0);
nntp_add_to_list (serv, nntp_data);
}
ctx->data = nntp_data;
nntp_data->nserv = serv;
mutt_message (_("Selecting %s..."), nntp_data->group);
if (!nntp_data->desc) {
nntp_get_desc (nntp_data, nntp_data->group, NULL, NULL);
if (nntp_data->desc)
nntp_save_cache_index (serv);
}
buf[0] = 0;
if (mutt_nntp_query (nntp_data, buf, sizeof (buf)) < 0) {
#ifdef DEBUG
nntp_error ("nntp_open_mailbox()", buf);
#endif
return -1;
}
if (str_ncmp ("211", buf, 3)) {
LIST *l = serv->list;
/* GROUP command failed */
if (!str_ncmp ("411", buf, 3)) {
mutt_error (_("Newsgroup %s not found on server %s"),
nntp_data->group, serv->conn->account.host);
/* CACHE: delete cache and line from .index */
nntp_delete_cache (nntp_data);
hash_delete (serv->newsgroups, nntp_data->group, NULL,
nntp_delete_data);
while (l && l->data != (void *) nntp_data)
l = l->next;
if (l)
l->data = NULL;
sleep (2);
}
return -1;
}
sscanf (buf + 4, "%d %u %u %s", &count, &nntp_data->firstMessage,
&nntp_data->lastMessage, buf);
nntp_data->deleted = 0;
time (&serv->check_time);
/*
* Check for max adding context. If it is greater than $nntp_context,
* strip off extra articles
*/
first = nntp_data->firstMessage;
if (NntpContext && nntp_data->lastMessage - first + 1 > NntpContext)
first = nntp_data->lastMessage - NntpContext + 1;
if (first)
nntp_data->lastLoaded = first - 1;
return nntp_fetch_headers (ctx, first, nntp_data->lastMessage);
}
int nntp_fetch_message (MESSAGE * msg, CONTEXT * ctx, int msgno)
{
char buf[LONG_STRING];
char path[_POSIX_PATH_MAX];
NNTP_CACHE *cache;
int ret;
progress_t bar;
/* see if we already have the message in our cache */
cache =
&((NNTP_DATA *) ctx->data)->acache[ctx->hdrs[msgno]->index %
NNTP_CACHE_LEN];
/* if everything is fine, assign msg->fp and return */
if (cache->path && cache->index == ctx->hdrs[msgno]->index &&
(msg->fp = fopen (cache->path, "r")))
return 0;
/* clear the previous entry */
unlink (cache->path);
mem_free (&cache->path);
cache->index = ctx->hdrs[msgno]->index;
mutt_mktemp (path);
cache->path = str_dup (path);
if (!(msg->fp = safe_fopen (path, "w+"))) {
mem_free (&cache->path);
return -1;
}
if (ctx->hdrs[msgno]->article_num == 0)
snprintf (buf, sizeof (buf), "ARTICLE %s\r\n",
ctx->hdrs[msgno]->env->message_id);
else
snprintf (buf, sizeof (buf), "ARTICLE %d\r\n",
ctx->hdrs[msgno]->article_num);
bar.msg = _("Fetching message...");
bar.size = 0;
mutt_progress_bar (&bar, 0);
ret = mutt_nntp_fetch ((NNTP_DATA *) ctx->data, buf, NULL, &bar, nntp_read_tempfile,
msg->fp, ctx->tagged);
if (ret == 1) {
mutt_error (_("Article %d not found on server"),
ctx->hdrs[msgno]->article_num);
debug_print (1, ("%s\n", buf));
}
if (ret) {
fclose (msg->fp);
unlink (path);
mem_free (&cache->path);
return -1;
}
mutt_free_envelope (&ctx->hdrs[msgno]->env);
ctx->hdrs[msgno]->env =
mutt_read_rfc822_header (msg->fp, ctx->hdrs[msgno], 0, 0);
/* fix content length */
fseeko (msg->fp, 0, SEEK_END);
ctx->hdrs[msgno]->content->length = ftello (msg->fp) -
ctx->hdrs[msgno]->content->offset;
/* this is called in mutt before the open which fetches the message,
* which is probably wrong, but we just call it again here to handle
* the problem instead of fixing it.
*/
mutt_parse_mime_message (ctx, ctx->hdrs[msgno]);
/* These would normally be updated in mx_update_context(), but the
* full headers aren't parsed with XOVER, so the information wasn't
* available then.
*/
ctx->hdrs[msgno]->security = crypt_query (ctx->hdrs[msgno]->content);
mutt_clear_error ();
rewind (msg->fp);
return 0;
}
/* Post article */
int nntp_post (const char *msg)
{
char buf[LONG_STRING];
size_t len;
FILE *f;
NNTP_DATA *nntp_data;
if (Context && Context->magic == M_NNTP)
nntp_data = (NNTP_DATA *) Context->data;
else {
if (!(CurrentNewsSrv = mutt_select_newsserver (NewsServer)) ||
!CurrentNewsSrv->list || !CurrentNewsSrv->list->data) {
mutt_error (_("Can't post article. No connection to news server."));
return -1;
}
nntp_data = (NNTP_DATA *) CurrentNewsSrv->list->data;
}
if (!(f = safe_fopen (msg, "r"))) {
mutt_error (_("Can't post article. Unable to open %s"), msg);
return -1;
}
strfcpy (buf, "POST\r\n", sizeof (buf));
if (mutt_nntp_query (nntp_data, buf, sizeof (buf)) < 0) {
mutt_error (_("Can't post article. Connection to %s lost."),
nntp_data->nserv->conn->account.host);
return -1;
}
if (buf[0] != '3') {
mutt_error (_("Can't post article: %s"), buf);
return -1;
}
buf[0] = '.';
buf[1] = '\0';
while (fgets (buf + 1, sizeof (buf) - 2, f) != NULL) {
len = str_len (buf);
if (buf[len - 1] == '\n') {
buf[len - 1] = '\r';
buf[len] = '\n';
len++;
buf[len] = '\0';
}
if (buf[1] == '.')
mutt_socket_write_d (nntp_data->nserv->conn, buf, M_SOCK_LOG_HDR);
else
mutt_socket_write_d (nntp_data->nserv->conn, buf + 1, M_SOCK_LOG_HDR);
}
fclose (f);
if (buf[str_len (buf) - 1] != '\n')
mutt_socket_write_d (nntp_data->nserv->conn, "\r\n", M_SOCK_LOG_HDR);
mutt_socket_write_d (nntp_data->nserv->conn, ".\r\n", M_SOCK_LOG_HDR);
if (mutt_socket_readln (buf, sizeof (buf), nntp_data->nserv->conn) < 0) {
mutt_error (_("Can't post article. Connection to %s lost."),
nntp_data->nserv->conn->account.host);
return -1;
}
if (buf[0] != '2') {
mutt_error (_("Can't post article: %s"), buf);
return -1;
}
return 0;
}
/* nntp_logout_all: close all open connections. */
void nntp_logout_all (void)
{
char buf[LONG_STRING];
CONNECTION *conn;
conn = mutt_socket_head ();
while (conn) {
CONNECTION* next = conn->next;
if (conn->account.type == M_ACCT_TYPE_NNTP) {
mutt_message (_("Closing connection to %s..."), conn->account.host);
mutt_socket_write (conn, "QUIT\r\n");
mutt_socket_readln (buf, sizeof (buf), conn);
mutt_clear_error ();
mutt_socket_close (conn);
mutt_socket_free (conn);
}
conn = next;
}
}
static void nntp_free_acache (NNTP_DATA * data)
{
int i;
for (i = 0; i < NNTP_CACHE_LEN; i++) {
if (data->acache[i].path) {
unlink (data->acache[i].path);
mem_free (&data->acache[i].path);
}
}
}
void nntp_delete_data (void *p)
{
NNTP_DATA *data = (NNTP_DATA *) p;
if (!p)
return;
mem_free (&data->entries);
mem_free (&data->desc);
mem_free (&data->cache);
nntp_free_acache (data);
mem_free (p);
}
int nntp_sync_mailbox (CONTEXT * ctx, int unused1, int* unused2)
{
NNTP_DATA *data = ctx->data;
/* CACHE: update cache and .index files */
if ((option (OPTSAVEUNSUB) || data->subscribed))
nntp_save_cache_group (ctx);
nntp_free_acache (data);
data->nserv->check_time = 0; /* next nntp_check_mailbox() will really check */
return 0;
}
void nntp_fastclose_mailbox (CONTEXT * ctx)
{
NNTP_DATA *data = (NNTP_DATA *) ctx->data, *tmp;
if (!data)
return;
nntp_free_acache (data);
if (!data->nserv || !data->nserv->newsgroups || !data->group)
return;
nntp_save_cache_index (data->nserv);
if ((tmp = hash_find (data->nserv->newsgroups, data->group)) == NULL
|| tmp != data)
nntp_delete_data (data);
else
nntp_sync_sidebar (data);
}
/* commit changes and terminate connection */
int nntp_close_mailbox (CONTEXT * ctx)
{
if (!ctx)
return -1;
mutt_message _("Quitting newsgroup...");
if (ctx->data) {
NNTP_DATA *data = (NNTP_DATA *) ctx->data;
int ret;
if (data->nserv && data->nserv->conn && ctx->unread) {
ret = query_quadoption (OPT_CATCHUP, _("Mark all articles read?"));
if (ret == M_YES)
mutt_newsgroup_catchup (data->nserv, data->group);
else if (ret < 0)
return -1;
}
}
nntp_sync_mailbox (ctx, 0, NULL);
if (ctx->data && ((NNTP_DATA *) ctx->data)->nserv) {
NNTP_SERVER *news;
news = ((NNTP_DATA *) ctx->data)->nserv;
newsrc_gen_entries (ctx);
((NNTP_DATA *) ctx->data)->unread = ctx->unread;
mutt_newsrc_update (news);
}
mutt_clear_error ();
return 0;
}
/* use the GROUP command to poll for new mail */
static int _nntp_check_mailbox (CONTEXT * ctx, NNTP_DATA * nntp_data)
{
char buf[LONG_STRING];
int count = 0;
if (nntp_data->nserv->check_time + NewsPollTimeout > time (NULL))
return 0;
buf[0] = 0;
if (mutt_nntp_query (nntp_data, buf, sizeof (buf)) < 0) {
#ifdef DEBUG
nntp_error ("nntp_check_mailbox()", buf);
#endif
return -1;
}
if (str_ncmp ("211", buf, 3)) {
buf[0] = 0;
if (mutt_nntp_query (nntp_data, buf, sizeof (buf)) < 0) {
#ifdef DEBUG
nntp_error ("nntp_check_mailbox()", buf);
#endif
return -1;
}
}
if (!str_ncmp ("211", buf, 3)) {
int first;
int last;
sscanf (buf + 4, "%d %d %d", &count, &first, &last);
nntp_data->firstMessage = first;
nntp_data->lastMessage = last;
if (ctx && last > nntp_data->lastLoaded) {
nntp_fetch_headers (ctx, nntp_data->lastLoaded + 1, last);
time (&nntp_data->nserv->check_time);
return 1;
}
if (!last || (!nntp_data->rc && !nntp_data->lastCached))
nntp_data->unread = count;
else
mutt_newsgroup_stat (nntp_data);
/* active was renumbered? */
if (last < nntp_data->lastLoaded) {
if (!nntp_data->max) {
nntp_data->entries = mem_calloc (5, sizeof (NEWSRC_ENTRY));
nntp_data->max = 5;
}
nntp_data->lastCached = 0;
nntp_data->num = 1;
nntp_data->entries[0].first = 1;
nntp_data->entries[0].last = 0;
}
nntp_sync_sidebar (nntp_data);
}
time (&nntp_data->nserv->check_time);
return 0;
}
int nntp_check_mailbox (CONTEXT * ctx, int* unused1, int unused2)
{
return _nntp_check_mailbox (ctx, (NNTP_DATA *) ctx->data);
}
static int add_group (char *buf, void *serv)
{
#define s ((NNTP_SERVER *) serv)
char group[LONG_STRING], mod, desc[HUGE_STRING];
int first, last;
NNTP_DATA *nntp_data;
static int n = 0;
_checked = n; /* _checked have N, where N = number of groups */
if (!buf) /* at EOF must be zerouth */
n = 0;
if (!s || !buf)
return 0;
*desc = 0;
sscanf (buf, "%s %d %d %c %[^\n]", group, &last, &first, &mod, desc);
if (!group)
return 0;
if ((nntp_data = (NNTP_DATA *) hash_find (s->newsgroups, group)) == NULL) {
n++;
nntp_data = mem_calloc (1, sizeof (NNTP_DATA) + str_len (group) + 1);
nntp_data->group = (char *) nntp_data + sizeof (NNTP_DATA);
strcpy (nntp_data->group, group);
nntp_data->nserv = s;
if (s->newsgroups->nelem < s->newsgroups->curnelem * 2)
s->newsgroups = hash_resize (s->newsgroups, s->newsgroups->nelem * 2);
hash_insert (s->newsgroups, nntp_data->group, nntp_data, 0);
nntp_add_to_list (s, nntp_data);
}
nntp_data->deleted = 0;
nntp_data->firstMessage = first;
nntp_data->lastMessage = last;
if (mod == 'y')
nntp_data->allowed = 1;
else
nntp_data->allowed = 0;
if (nntp_data->desc)
mem_free (&nntp_data->desc);
if (*desc)
nntp_data->desc = str_dup (desc);
if (nntp_data->rc || nntp_data->lastCached)
mutt_newsgroup_stat (nntp_data);
else if (nntp_data->lastMessage &&
nntp_data->firstMessage <= nntp_data->lastMessage)
nntp_data->unread = nntp_data->lastMessage - nntp_data->firstMessage + 1;
else
nntp_data->unread = 0;
return 0;
#undef s
}
int nntp_check_newgroups (NNTP_SERVER * serv, int force)
{
char buf[LONG_STRING];
NNTP_DATA nntp_data;
LIST *l;
LIST emp;
time_t now;
struct tm *t;
if (!serv || !serv->newgroups_time)
return -1;
if (nntp_open_connection (serv) < 0)
return -1;
/* check subscribed groups for new news */
if (option (OPTSHOWNEWNEWS)) {
mutt_message _("Checking for new messages...");
for (l = serv->list; l; l = l->next) {
serv->check_time = 0; /* really check! */
if (l->data && ((NNTP_DATA *) l->data)->subscribed)
_nntp_check_mailbox (NULL, (NNTP_DATA *) l->data);
}
sidebar_draw (CurrentMenu);
}
else if (!force)
return 0;
mutt_message _("Checking for new newsgroups...");
now = serv->newgroups_time;
time (&serv->newgroups_time);
t = gmtime (&now);
snprintf (buf, sizeof (buf), "NEWGROUPS %02d%02d%02d %02d%02d%02d GMT\r\n",
(t->tm_year % 100), t->tm_mon + 1, t->tm_mday, t->tm_hour,
t->tm_min, t->tm_sec);
nntp_data.nserv = serv;
if (Context && Context->magic == M_NNTP)
nntp_data.group = ((NNTP_DATA *) Context->data)->group;
else
nntp_data.group = NULL;
l = serv->tail;
if (mutt_nntp_fetch (&nntp_data, buf, _("Adding new newsgroups..."), NULL,
add_group, serv, 0) != 0) {
#ifdef DEBUG
nntp_error ("nntp_check_newgroups()", buf);
#endif
return -1;
}
mutt_message _("Loading descriptions...");
if (l)
emp.next = l->next;
else
emp.next = serv->list;
l = &emp;
while (l->next) {
l = l->next;
((NNTP_DATA *) l->data)->new = 1;
nntp_get_desc ((NNTP_DATA *) l->data, ((NNTP_DATA *) l->data)->group,
NULL, NULL);
}
if (emp.next)
nntp_save_cache_index (serv);
mutt_clear_error ();
return _checked;
}
/* Load list of all newsgroups from cache ALL */
int nntp_get_cache_all (NNTP_SERVER * serv)
{
char buf[HUGE_STRING];
FILE *f;
nntp_cache_expand (buf, serv->cache);
if ((f = safe_fopen (buf, "r"))) {
int i = 0;
while (fgets (buf, sizeof (buf), f) != NULL) {
if (ReadInc && (i % ReadInc == 0))
mutt_message (_("Loading list from cache... %d"), i);
add_group (buf, serv);
i++;
}
add_group (NULL, NULL);
fclose (f);
mutt_clear_error ();
return 0;
}
else {
mem_free (&serv->cache);
return -1;
}
}
/* Load list of all newsgroups from active */
int nntp_get_active (NNTP_SERVER * serv)
{
char msg[SHORT_STRING];
NNTP_DATA nntp_data;
LIST *tmp;
if (nntp_open_connection (serv) < 0)
return -1;
snprintf (msg, sizeof (msg),
_("Loading list of all newsgroups on server %s..."),
serv->conn->account.host);
mutt_message (msg);
time (&serv->newgroups_time);
nntp_data.nserv = serv;
nntp_data.group = NULL;
if (mutt_nntp_fetch (&nntp_data, "LIST\r\n", msg, NULL, add_group, serv, 0) < 0) {
#ifdef DEBUG
nntp_error ("nntp_get_active()", "LIST\r\n");
#endif
return -1;
}
strfcpy (msg, _("Loading descriptions..."), sizeof (msg));
mutt_message (msg);
nntp_get_desc (&nntp_data, "*", msg, NULL);
for (tmp = serv->list; tmp; tmp = tmp->next) {
NNTP_DATA *data = (NNTP_DATA *) tmp->data;
if (data && data->deleted && !data->rc) {
nntp_delete_cache (data);
hash_delete (serv->newsgroups, data->group, NULL, nntp_delete_data);
tmp->data = NULL;
}
}
nntp_save_cache_index (serv);
mutt_clear_error ();
return _checked;
}
/*
* returns -1 if error ocurred while retrieving header,
* number of articles which ones exist in context on success.
*/
int nntp_check_msgid (CONTEXT * ctx, const char *msgid)
{
int ret;
/* if msgid is already in context, don't reload them */
if (hash_find (ctx->id_hash, msgid))
return 1;
if (ctx->msgcount == ctx->hdrmax)
mx_alloc_memory (ctx);
ctx->hdrs[ctx->msgcount] = mutt_new_header ();
ctx->hdrs[ctx->msgcount]->index = ctx->msgcount;
mutt_message (_("Fetching %s from server..."), msgid);
ret = nntp_read_header (ctx, msgid, 0);
/* since nntp_read_header() may set read flag, we must reset it */
ctx->hdrs[ctx->msgcount]->read = 0;
if (ret != 0)
mutt_free_header (&ctx->hdrs[ctx->msgcount]);
else {
ctx->msgcount++;
mx_update_context (ctx, 1);
ctx->changed = 1;
}
return ret;
}
typedef struct {
CONTEXT *ctx;
unsigned int num;
unsigned int max;
unsigned int *child;
} CHILD_CONTEXT;
static int check_children (char *s, void *c)
{
#define cc ((CHILD_CONTEXT *) c)
unsigned int i, n;
if (!s || (n = atoi (s)) == 0)
return 0;
for (i = 0; i < cc->ctx->msgcount; i++)
if (cc->ctx->hdrs[i]->article_num == n)
return 0;
if (cc->num >= cc->max)
mem_realloc (&cc->child, sizeof (unsigned int) * (cc->max += 25));
cc->child[cc->num++] = n;
return 0;
#undef cc
}
int nntp_check_children (CONTEXT * ctx, const char *msgid)
{
NNTP_DATA *nntp_data = (NNTP_DATA *) ctx->data;
char buf[STRING];
int i, ret = 0, tmp = 0;
CHILD_CONTEXT cc;
if (!nntp_data || !nntp_data->nserv || !nntp_data->nserv->conn ||
!nntp_data->nserv->conn->account.host)
return -1;
if (nntp_data->firstMessage > nntp_data->lastLoaded)
return 0;
if (!nntp_data->nserv->hasXPAT) {
mutt_error (_("Server %s does not support this operation!"),
nntp_data->nserv->conn->account.host);
return -1;
}
snprintf (buf, sizeof (buf), "XPAT References %d-%d *%s*\r\n",
nntp_data->firstMessage, nntp_data->lastLoaded, msgid);
cc.ctx = ctx;
cc.num = 0;
cc.max = 25;
cc.child = mem_malloc (sizeof (unsigned int) * 25);
if (mutt_nntp_fetch (nntp_data, buf, NULL, NULL, check_children, &cc, 0)) {
mem_free (&cc.child);
return -1;
}
/* dont try to read the xover cache. check_children() already
* made sure that we dont have the article, so we need to visit
* the server. Reading the cache at this point is also bad
* because it would duplicate messages */
if (option (OPTNEWSCACHE)) {
tmp++;
unset_option (OPTNEWSCACHE);
}
for (i = 0; i < cc.num; i++) {
if ((ret = nntp_fetch_headers (ctx, cc.child[i], cc.child[i])))
break;
if (ctx->msgcount &&
ctx->hdrs[ctx->msgcount - 1]->article_num == cc.child[i])
ctx->hdrs[ctx->msgcount - 1]->read = 0;
}
if (tmp)
set_option (OPTNEWSCACHE);
mem_free (&cc.child);
return ret;
}
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