+++ /dev/null
-/*
- * 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 program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include "mutt.h"
-#include "mutt_curses.h"
-#include "sort.h"
-#include "mx.h"
-#include "mime.h"
-#include "rfc1524.h"
-#include "rfc2047.h"
-#include "mailbox.h"
-#include "nntp.h"
-
-#ifdef HAVE_PGP
-#include "pgp.h"
-#endif
-
-#ifdef HAVE_SMIME
-#include "smime.h"
-#endif
-
-#include <unistd.h>
-#include <string.h>
-#include <ctype.h>
-#include <stdlib.h>
-
-static unsigned int _checked = 0;
-
-#ifdef DEBUG
-static void nntp_error (const char *where, const char *msg)
-{
- dprint (1, (debugfile, "nntp_error(): unexpected response in %s: %s\n", where, msg));
-}
-#endif /* DEBUG */
-
-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)
- dprint (M_SOCK_LOG_CMD, (debugfile, "> 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 (mutt_strncmp ("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 (!mutt_strncmp ("200", buf, 3))
- mutt_message (_("Connected to %s. Posting ok."), conn->account.host);
- else if (!mutt_strncmp ("201", buf, 3))
- mutt_message (_("Connected to %s. Posting NOT ok."), conn->account.host);
- else
- {
- mutt_socket_close (conn);
- mutt_remove_trailing_ws (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) && mutt_strncmp ("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 (mutt_strncmp ("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 (mutt_strncmp ("500", buf, 3))
- serv->hasXPAT = 1;
-
- mutt_socket_write (conn, "XGTITLE +\r\n");
- if (mutt_socket_readln (buf, sizeof (buf), conn) < 0)
- return nntp_connect_error (serv);
- if (mutt_strncmp ("500", buf, 3))
- serv->hasXGTITLE = 1;
-
- if (!mutt_strncmp ("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 ((!mutt_strncmp ("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,
- int (*funct) (char *, void *), void *data, int tagged)
-{
- char buf[LONG_STRING];
- char *inbuf, *p;
- int done = FALSE;
- int chunk, line;
- 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 = safe_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));
-
- if (chunk >= sizeof (buf))
- {
- lenbuf += strlen (p);
- }
- else
- {
- line++;
- if (msg && 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;
- }
-
- safe_realloc (&inbuf, lenbuf + sizeof (buf));
- }
- 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, p, atoi(colon));
- if (h && h->article_num == 0 && mutt_strcmp (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, nntp_read_tempfile, f, 0);
- if (ret)
- {
-#ifdef DEBUG
- if (ret != -1)
- dprint(1, (debugfile, "nntp_read_header: %s\n", buf));
-#endif
- 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++;
- dprint (2, (debugfile, "group: %s, desc: %s\n", line, d));
- if ((data = (NNTP_DATA *) hash_find (news->newsgroups, line)) != NULL &&
- mutt_strcmp (d, data->desc))
- {
- FREE (&data->desc);
- data->desc = safe_strdup (d);
- }
- return 0;
-#undef news
-}
-
-static void nntp_get_desc (NNTP_DATA *data, char *mask, char *msg)
-{
- 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, 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 = safe_strdup (nntp_data->group);
- hdr->content = mutt_new_body();
- hdr->content->type = TYPETEXT;
- hdr->content->subtype = safe_strdup ("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 = safe_strdup (b);
- /* Now we need to do the things which would normally be done in
- * mutt_read_rfc822_header() */
- if (hdr->env->subject)
- {
- regmatch_t pmatch[1];
-
- rfc2047_decode (&hdr->env->subject);
-
- if (regexec (ReplyRegexp.rx, hdr->env->subject, 1, pmatch, 0) == 0)
- hdr->env->real_subj = hdr->env->subject + pmatch[0].rm_eo;
- else
- hdr->env->real_subj = hdr->env->subject;
- }
- break;
- case 2:
- rfc822_free_address (&hdr->env->from);
- hdr->env->from = rfc822_parse_adrlist (hdr->env->from, b);
- rfc2047_decode_adrlist (hdr->env->from);
- break;
- case 3:
- hdr->date_sent = mutt_parse_date (b, hdr);
- hdr->received = hdr->date_sent;
- break;
- case 4:
- FREE (&hdr->env->message_id);
- hdr->env->message_id = safe_strdup (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)
- FREE (&hdr->env->xref);
- b = b + 6; /* skips the "Xref: " */
- hdr->env->xref = safe_strdup (b);
- nntp_parse_xref (ctx, nntp_data->group, b, hdr);
- }
- 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)
-static int nntp_fetch_numbers (char *line, void *c)
-{
- unsigned int num;
-
- if (!line)
- return 0;
- num = atoi (line);
- if (num < fc->base || num > fc->last)
- return 0;
- fc->messages[num - fc->base] = 1;
- return 0;
-}
-
-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...");
- 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 = safe_calloc (last - first + 1, sizeof (unsigned short));
- snprintf (buf, sizeof (buf), "LISTGROUP %s\r\n", nntp_data->group);
- if (mutt_nntp_fetch (nntp_data, buf, NULL, nntp_fetch_numbers, &fc, 0) != 0)
- {
- mutt_error (_("LISTGROUP command failed: %s"), buf);
-#ifdef DEBUG
- nntp_error ("nntp_fetch_headers()", buf);
-#endif
- FREE (&fc.messages);
- return -1;
- }
-
- /* 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 _("Fetching headers from cache...");
- if ((f = safe_fopen (buf, "r")))
- {
- int r = 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)
- 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)
- {
- 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, 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
- 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)
- {
- FREE (&fc.messages);
- return -1;
- }
-
- if (current > nntp_data->lastLoaded)
- nntp_data->lastLoaded = current;
- }
- 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;
-
- 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 = safe_calloc (1, sizeof (NNTP_DATA) + strlen (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);
- 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 (mutt_strncmp ("211", buf, 3))
- {
- LIST *l = serv->list;
-
- /* GROUP command failed */
- if (!mutt_strncmp ("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;
- char *m = _("Fetching message...");
- int ret;
-
- /* 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);
- free (cache->path);
-
- mutt_message (m);
-
- cache->index = ctx->hdrs[msgno]->index;
- mutt_mktemp (path);
- cache->path = safe_strdup (path);
- if (!(msg->fp = safe_fopen (path, "w+")))
- {
- 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);
-
- ret = mutt_nntp_fetch ((NNTP_DATA *)ctx->data, buf, m, nntp_read_tempfile,
- msg->fp, ctx->tagged);
- if (ret == 1)
- {
- mutt_error (_("Article %d not found on server"),
- ctx->hdrs[msgno]->article_num);
- dprint (1, (debugfile, "nntp_fetch_message: %s\n", buf));
- }
-
- if (ret)
- {
- fclose (msg->fp);
- unlink (path);
- 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 */
- fseek(msg->fp, 0, SEEK_END);
- ctx->hdrs[msgno]->content->length = ftell (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.
- */
-#if defined(HAVE_PGP) || defined(HAVE_SMIME)
- ctx->hdrs[msgno]->security = crypt_query (ctx->hdrs[msgno]->content);
-#endif /* HAVE_PGP || HAVE_SMIME */
-
- 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 = strlen (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[strlen (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;
- CONNECTION* tmp;
-
- conn = mutt_socket_head ();
-
- while (conn)
- {
- tmp = conn;
-
- 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 (tmp);
- }
-
- 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);
- FREE (&data->acache[i].path);
- }
- }
-}
-
-void nntp_delete_data (void *p)
-{
- NNTP_DATA *data = (NNTP_DATA *)p;
-
- if (!p)
- return;
- FREE (&data->entries);
- FREE (&data->desc);
- FREE (&data->cache);
- nntp_free_acache (data);
- FREE (p);
-}
-
-int nntp_sync_mailbox (CONTEXT *ctx)
-{
- 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);
-}
-
-/* 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);
- 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 (mutt_strncmp ("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 (!mutt_strncmp ("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 = safe_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;
- }
- }
-
- time (&nntp_data->nserv->check_time);
- return 0;
-}
-
-int nntp_check_mailbox (CONTEXT *ctx)
-{
- 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 = safe_calloc (1, sizeof (NNTP_DATA) + strlen (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)
- FREE (&nntp_data->desc);
- if (*desc)
- nntp_data->desc = safe_strdup (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);
- }
- }
- 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..."),
- 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);
- }
- 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
- {
- 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, 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);
-
- 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)
- safe_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 = safe_malloc (sizeof (unsigned int) * 25);
- if (mutt_nntp_fetch (nntp_data, buf, NULL, check_children, &cc, 0))
- {
- 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);
- FREE (&cc.child);
- return ret;
-}