-/*
- * Copyright notice from original mutt:
- * Copyright (C) 1998 Brandon Long <blong@fiction.net>
- * Copyright (C) 1999 Andrej Gritsenko <andrej@lucky.net>
- * Copyright (C) 2000-2001 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.
- */
-
-#include <lib-lib/lib-lib.h>
-
-#include <libgen.h>
-
-#include <lib-mime/mime.h>
-#include <lib-ui/curses.h>
-#include <lib-mx/mx.h>
-
-#include "mutt.h"
-#include "sort.h"
-#include "nntp.h"
-
-void nntp_add_to_list(NNTP_SERVER *s, NNTP_DATA *d)
-{
- *s->tail = p_new(string_list_t, 1);
- (*s->tail)->data = (void *)d;
- s->tail = &(*s->tail)->next;
-}
-
-static int nntp_parse_newsrc_line (NNTP_SERVER * news, char *line)
-{
- NNTP_DATA *data;
- char group[LONG_STRING];
- int x = 1;
- char *p = line, *b, *h;
- ssize_t len;
-
- while (*p) {
- if (*p++ == ',')
- x++;
- }
-
- p = line;
- while (*p && (*p != ':' && *p != '!'))
- p++;
- if (!*p)
- return -1;
- len = MIN(p + 1 - line, ssizeof(group));
- m_strcpy(group, len, line);
- if ((data = (NNTP_DATA *) hash_find (news->newsgroups, group)) == NULL) {
- data = xmalloc(sizeof(NNTP_DATA) + m_strlen(group) + 1);
- data->group = (char *) data + sizeof (NNTP_DATA);
- strcpy (data->group, group);
- data->nserv = news;
- data->deleted = 1;
- if (news->newsgroups->nelem < news->newsgroups->curnelem * 2)
- hash_resize (news->newsgroups, news->newsgroups->nelem * 2);
- hash_insert (news->newsgroups, data->group, data);
- nntp_add_to_list (news, data);
- }
- else
- p_delete(&data->entries);
-
- data->rc = 1;
- data->entries = p_new(NEWSRC_ENTRY, x * 2);
- data->max = x * 2;
-
- if (*p == ':')
- data->subscribed = 1;
- else
- data->subscribed = 0;
-
- p++;
- b = p;
- x = 0;
- while (*b) {
- while (*p && *p != ',' && *p != '\n')
- p++;
- if (*p) {
- *p = '\0';
- p++;
- }
- if ((h = strchr (b, '-'))) {
- *h = '\0';
- h++;
- data->entries[x].first = atoi (b);
- data->entries[x].last = atoi (h);
- }
- else {
- data->entries[x].first = atoi (b);
- data->entries[x].last = data->entries[x].first;
- }
- b = p;
- if (data->entries[x].last != 0)
- x++;
- }
- if (x && !data->lastMessage)
- data->lastMessage = data->entries[x - 1].last;
- data->num = x;
- mutt_newsgroup_stat (data);
-
- return 0;
-}
-
-static int slurp_newsrc (NNTP_SERVER * news)
-{
- FILE *fp;
- char *buf;
- struct stat sb;
-
- news->stat = stat (news->newsrc, &sb);
- news->size = sb.st_size;
- news->mtime = sb.st_mtime;
-
- if ((fp = safe_fopen (news->newsrc, "r")) == NULL)
- return -1;
- /* hmm, should we use dotlock? */
- if (mx_lock_file (news->newsrc, fileno (fp), 0, 0, 1)) {
- m_fclose(&fp);
- return -1;
- }
-
- buf = p_new(char, sb.st_size + 1);
- while (fgets (buf, sb.st_size + 1, fp))
- nntp_parse_newsrc_line (news, buf);
- p_delete(&buf);
-
- mx_unlock_file (news->newsrc, fileno (fp), 0);
- m_fclose(&fp);
- return 0;
-}
-
-void nntp_cache_expand (char *dst, const char *src)
-{
- snprintf (dst, _POSIX_PATH_MAX, "%s/%s", NewsCacheDir, src);
- mutt_expand_path (dst, _POSIX_PATH_MAX);
-}
-
-/* Loads $news_cache_dir/.index into memory, loads newsserver data
- * and newsgroup cache names */
-static int nntp_parse_cacheindex (NNTP_SERVER * news)
-{
- struct stat st;
- char buf[HUGE_STRING], *cp;
- char dir[_POSIX_PATH_MAX], file[_POSIX_PATH_MAX];
- FILE *idx;
- NNTP_DATA *data;
- int l, m, t;
-
- /* check is server name defined or not */
- if (!news || !news->conn || !news->conn->account.host)
- return -1;
- unset_option (OPTNEWSCACHE);
- if (m_strisempty(NewsCacheDir))
- return 0;
-
- m_strcpy(dir, sizeof(dir), NewsCacheDir);
- mutt_expand_path (dir, sizeof (dir));
-
- if (lstat (dir, &st) || (st.st_mode & S_IFDIR) == 0) {
- snprintf (buf, sizeof (buf), _("Directory %s not exist. Create it?"),
- dir);
- if (mutt_yesorno (buf, M_YES) != M_YES
- || mkdir (dir, (S_IRWXU + S_IRWXG + S_IRWXO))) {
- mutt_error _("Cache directory not created!");
-
- return -1;
- }
- mutt_clear_error ();
- }
-
- set_option (OPTNEWSCACHE);
-
- p_delete(&news->cache);
- snprintf (buf, sizeof (buf), "%s/.index", dir);
- if (!(idx = safe_fopen (buf, "a+")))
- return 0;
- rewind (idx);
- while (fgets (buf, sizeof (buf), idx)) {
- buf[m_strlen(buf) - 1] = 0; /* strip ending '\n' */
- if (!m_strncmp(buf, "#: ", 3) &&
- !m_strcasecmp(buf + 3, news->conn->account.host))
- break;
- }
- while (fgets (buf, sizeof (buf), idx)) {
- cp = buf;
- while (*cp && *cp != ' ')
- cp++;
- if (!*cp)
- continue;
- cp[0] = 0;
- if (!m_strcmp(buf, "#:"))
- break;
- sscanf (cp + 1, "%s %d %d", file, &l, &m);
- if (!m_strcmp(buf, "ALL")) {
- news->cache = m_strdup(file);
- news->newgroups_time = m;
- }
- else if (news->newsgroups) {
- if ((data = (NNTP_DATA *) hash_find (news->newsgroups, buf)) == NULL) {
- data = xmalloc(sizeof(NNTP_DATA) + m_strlen(buf) + 1);
- data->group = (char *) data + sizeof (NNTP_DATA);
- strcpy (data->group, buf);
- data->nserv = news;
- data->deleted = 1;
- if (news->newsgroups->nelem < news->newsgroups->curnelem * 2)
- hash_resize (news->newsgroups, news->newsgroups->nelem * 2);
- hash_insert (news->newsgroups, data->group, data);
- nntp_add_to_list (news, data);
- }
- data->cache = m_strdup(file);
- t = 0;
- if (!data->firstMessage || data->lastMessage < m)
- t = 1;
- if (!data->firstMessage)
- data->firstMessage = l;
- if (data->lastMessage < m)
- data->lastMessage = m;
- data->lastCached = m;
- if (t || !data->unread)
- mutt_newsgroup_stat (data);
- }
- }
- m_fclose(&idx);
- return 0;
-}
-
-const char *nntp_format_str(char *dest, ssize_t destlen, char op,
- const char *src, const char *fmt,
- const char *ifstr __attribute__((unused)),
- const char *elstr __attribute__((unused)),
- anytype data __attribute__((unused)),
- format_flag flags __attribute__((unused)))
-{
- char fn[STRING], tmp[STRING];
-
- switch (op) {
- case 's':
- m_strcpy(fn, sizeof (fn), NewsServer);
- m_strtolower(fn);
- snprintf (tmp, sizeof (tmp), "%%%ss", fmt);
- snprintf (dest, destlen, tmp, fn);
- break;
- }
- return (src);
-}
-
-/* nntp_parse_url: given an NNPT URL, return host, port,
- * username, password and newsgroup will recognise. */
-int nntp_parse_url (const char *server, ACCOUNT * act,
- char *group, ssize_t group_len)
-{
- ciss_url_t url;
- char *c;
- int ret = -1;
-
- /* Defaults */
- act->flags = 0;
- act->port = NNTP_PORT;
- act->type = M_ACCT_TYPE_NNTP;
-
- c = m_strdup(server);
- url_parse_ciss (&url, c);
-
- if (url.scheme == U_NNTP || url.scheme == U_NNTPS) {
- if (url.scheme == U_NNTPS) {
- act->has_ssl = 1;
- act->port = NNTP_SSL_PORT;
- }
-
- *group = '\0';
- if (url.path)
- m_strcpy(group, group_len, url.path);
-
- ret = mutt_account_fromurl (act, &url);
- }
-
- p_delete(&c);
- return ret;
-}
-
-void nntp_expand_path (char *line, ssize_t len, ACCOUNT * act)
-{
- ciss_url_t url;
-
- url.path = m_strdup(line);
- mutt_account_tourl (act, &url);
- url_ciss_tostring (&url, line, len, 0);
- p_delete(&url.path);
-}
-
-/*
- * Automatically loads a newsrc into memory, if necessary.
- * Checks the size/mtime of a newsrc file, if it doesn't match, load
- * again. Hmm, if a system has broken mtimes, this might mean the file
- * is reloaded every time, which we'd have to fix.
- *
- * a newsrc file is a line per newsgroup, with the newsgroup, then a
- * ':' denoting subscribed or '!' denoting unsubscribed, then a
- * comma separated list of article numbers and ranges.
- */
-NNTP_SERVER *mutt_select_newsserver (char *server)
-{
- char file[_POSIX_PATH_MAX];
- char *buf, *p;
- string_list_t *list;
- ACCOUNT act;
- NNTP_SERVER *serv;
- CONNECTION *conn;
-
- p_clear(&act, 1);
-
- if (!server || !*server) {
- mutt_error _("No newsserver defined!");
-
- return NULL;
- }
-
- buf = p = p_new(char, m_strlen(server) + 10);
- if (url_check_scheme (server) == U_UNKNOWN) {
- strcpy (buf, "nntp://");
- p = strchr (buf, '\0');
- }
- strcpy (p, server);
-
- if ((nntp_parse_url (buf, &act, file, sizeof (file))) < 0 || *file) {
- p_delete(&buf);
- mutt_error (_("%s is an invalid newsserver specification!"), server);
- return NULL;
- }
- p_delete(&buf);
-
- conn = mutt_conn_find (NULL, &act);
- if (!conn)
- return NULL;
-
- m_strformat(file, sizeof(file), 0, NewsRc, nntp_format_str, NULL, 0);
- mutt_expand_path(file, sizeof(file));
-
- serv = (NNTP_SERVER *) conn->data;
- if (serv) {
- struct stat sb;
-
- /* externally modified? */
- if (serv->stat != stat (file, &sb) || (!serv->stat &&
- (serv->size != sb.st_size
- || serv->mtime != sb.st_mtime))) {
- for (list = serv->list; list; list = list->next) {
- NNTP_DATA *data = (NNTP_DATA *) list->data;
-
- if (data) {
- data->subscribed = 0;
- data->rc = 0;
- data->num = 0;
- }
- }
- slurp_newsrc (serv);
- nntp_clear_cacheindex (serv);
- }
-
- if (serv->status == NNTP_BYE)
- serv->status = NNTP_NONE;
- nntp_check_newgroups (serv, 0);
- return serv;
- }
-
- /* New newsserver */
- serv = p_new(NNTP_SERVER, 1);
- serv->tail = &serv->list;
- serv->conn = conn;
- serv->newsrc = m_strdup(file);
- serv->newsgroups = hash_new(1009, false);
- slurp_newsrc (serv); /* load .newsrc */
- nntp_parse_cacheindex (serv); /* load .index */
- if (option (OPTNEWSCACHE) && serv->cache && nntp_get_cache_all (serv) >= 0)
- nntp_check_newgroups (serv, 1);
- else if (nntp_get_active (serv) < 0) {
- hash_delete (&serv->newsgroups, nntp_delete_data);
- for (list = serv->list; list; list = list->next)
- list->data = NULL;
- string_list_wipe(&serv->list);
- p_delete(&serv->newsrc);
- p_delete(&serv->cache);
- p_delete(&serv);
- return NULL;
- }
- nntp_clear_cacheindex (serv);
- conn->data = (void *) serv;
-
- return serv;
-}
-
-/*
- * full status flags are not supported by nntp, but we can fake some
- * of them. This is how:
- * Read = a read message number is in the .newsrc
- * New = a message is new since we last read this newsgroup
- * Old = anything else
- * So, Read is marked as such in the newsrc, old is anything that is
- * "skipped" in the newsrc, and new is anything not in the newsrc nor
- * in the cache. By skipped, I mean before the last unread message
- */
-void nntp_get_status (CONTEXT * ctx, HEADER * h, char *group, int article)
-{
- NNTP_DATA *data = (NNTP_DATA *) ctx->data;
- int x;
-
- if (group)
- data = (NNTP_DATA *) hash_find (data->nserv->newsgroups, group);
-
- if (!data) {
- return;
- }
-
- for (x = 0; x < data->num; x++) {
- if ((article >= data->entries[x].first) &&
- (article <= data->entries[x].last)) {
- /* we cannot use mutt_set_flag() because mx_update_context()
- didn't called yet */
- h->read = 1;
- return;
- }
- }
- /* If article was not cached yet, it is new! :) */
- if (!data->cache || article > data->lastCached)
- return;
- /* Old articles are articles which aren't read but an article after them
- * has been cached */
- if (option (OPTMARKOLD))
- h->old = 1;
-}
-
-void mutt_newsgroup_stat (NNTP_DATA * data)
-{
- int i, first, last;
-
- data->unread = 0;
- if (data->lastMessage == 0 || data->firstMessage > data->lastMessage)
- return;
-
- data->unread = data->lastMessage - data->firstMessage + 1;
- for (i = 0; i < data->num; i++) {
- first = data->entries[i].first;
- if (first < data->firstMessage)
- first = data->firstMessage;
- last = data->entries[i].last;
- if (last > data->lastMessage)
- last = data->lastMessage;
- if (first <= last)
- data->unread -= last - first + 1;
- }
-}
-
-static int puti (char *line, int num)
-{
- char *p, s[32];
-
- for (p = s; num;) {
- *p++ = '0' + num % 10;
- num /= 10;
- }
- while (p > s)
- *line++ = *--p, num++;
- *line = '\0';
- return num;
-}
-
-static void nntp_create_newsrc_line (NNTP_DATA * data, char **buf,
- char **pline, ssize_t * buflen)
-{
- char *line = *pline;
- ssize_t len = *buflen - (*pline - *buf);
- int x, i;
-
- if (len < LONG_STRING * 10) {
- len += *buflen;
- *buflen *= 2;
- line = *buf;
- p_realloc(buf, *buflen);
- line = *buf + (*pline - line);
- }
- strcpy (line, data->group);
- len -= m_strlen(line) + 1;
- line += m_strlen(line);
- *line++ = data->subscribed ? ':' : '!';
- *line++ = ' ';
- *line = '\0';
-
- for (x = 0; x < data->num; x++) {
- if (len < LONG_STRING) {
- len += *buflen;
- *buflen *= 2;
- *pline = line;
- line = *buf;
- p_realloc(buf, *buflen);
- line = *buf + (*pline - line);
- }
- if (x) {
- *line++ = ',';
- len--;
- }
-
- i = puti (line, data->entries[x].first);
- line += i;
- len -= i;
- if (data->entries[x].first != data->entries[x].last) {
- *line++ = '-';
- len--;
- i = puti (line, data->entries[x].last);
- line += i;
- len -= i;
- }
- }
- *line++ = '\n';
- *line = '\0';
- *pline = line;
-}
-
-void newsrc_gen_entries (CONTEXT * ctx)
-{
- NNTP_DATA *data = (NNTP_DATA *) ctx->data;
- int series, x;
- int last = 0, first = 1;
- int save_sort = SORT_ORDER;
-
- if (Sort != SORT_ORDER) {
- save_sort = Sort;
- Sort = SORT_ORDER;
- mutt_sort_headers (ctx, 0);
- }
-
- if (!data->max) {
- data->entries = p_new(NEWSRC_ENTRY, 5);
- data->max = 5;
- }
-
- /*
- * Set up to fake initial sequence from 1 to the article before the
- * first article in our list
- */
- data->num = 0;
- series = 1;
-
- for (x = 0; x < ctx->msgcount; x++) {
- if (series) { /* search for first unread */
- /*
- * We don't actually check sequential order, since we mark
- * "missing" entries as read/deleted
- */
- last = ctx->hdrs[x]->article_num;
- if (last >= data->firstMessage && !ctx->hdrs[x]->deleted &&
- !ctx->hdrs[x]->read) {
- if (data->num >= data->max) {
- data->max = data->max * 2;
- p_realloc(&data->entries, data->max);
- }
- data->entries[data->num].first = first;
- data->entries[data->num].last = last - 1;
- data->num++;
- series = 0;
- }
- }
- else { /* search for first read */
-
- if (ctx->hdrs[x]->deleted || ctx->hdrs[x]->read) {
- first = last + 1;
- series = 1;
- }
- last = ctx->hdrs[x]->article_num;
- }
- }
- if (series && first <= data->lastLoaded) {
- if (data->num >= data->max) {
- data->max = data->max * 2;
- p_realloc(&data->entries, data->max);
- }
- data->entries[data->num].first = first;
- data->entries[data->num].last = data->lastLoaded;
- data->num++;
- }
-
- if (save_sort != Sort) {
- Sort = save_sort;
- mutt_sort_headers (ctx, 0);
- }
-}
-
-static int mutt_update_list_file (char *filename, char *section,
- const char *key, char *line) {
- FILE *ifp;
- FILE *ofp;
- char buf[HUGE_STRING];
- char tmpf[_POSIX_PATH_MAX], lnk[_POSIX_PATH_MAX];
- char *c;
- int ext = 0, done = 0, r = 0, l = 0;
-
- /* if file not exist, create it */
- if ((ifp = safe_fopen (filename, "a")))
- m_fclose(&ifp);
- if (!(ifp = safe_fopen (filename, "r"))) {
- mutt_error (_("Unable to open %s for reading"), filename);
- return -1;
- }
- if (mx_lock_file (filename, fileno (ifp), 0, 0, 1)) {
- m_fclose(&ifp);
- mutt_error (_("Unable to lock %s"), filename);
- return -1;
- }
-
- /* use m_tempfile() to get a tempfile in the same
- * directory as filename is so that we can follow symlinks
- * via rename(2); as dirname(2) may modify its argument,
- * temporarily use buf as copy of it
- */
- m_strcpy(buf, sizeof(buf), filename);
- ofp = m_tempfile(tmpf, sizeof(tmpf), dirname(buf), filename);
- if (!ofp) {
- m_fclose(&ifp);
- mutt_error (_("Unable to open %s for writing"), tmpf);
- return -1;
- }
-
- if (section) {
- while (r != EOF && !done && fgets (buf, sizeof (buf), ifp)) {
- r = fputs (buf, ofp);
- c = buf;
- while (*c && *c != '\n') c++;
- c[0] = 0; /* strip EOL */
- if (!strncmp (buf, "#: ", 3) && !m_strcasecmp(buf+3, section))
- done++;
- }
- if (r != EOF && !done) {
- snprintf (buf, sizeof(buf), "#: %s\n", section);
- r = fputs (buf, ofp);
- }
- done = 0;
- }
-
- while (r != EOF && fgets (buf, sizeof (buf), ifp)) {
- if (ext) {
- c = buf;
- while (*c && (*c != '\r') && (*c != '\n')) c++;
- c--;
- if (*c != '\\') ext = 0;
- } else if ((section && !strncmp (buf, "#: ", 3))) {
- if (!done && line) {
- fputs (line, ofp);
- fputc ('\n', ofp);
- }
- r = fputs (buf, ofp);
- done++;
- break;
- } else if (key && !strncmp (buf, key, strlen(key)) &&
- (!*key || buf[strlen(key)] == ' ')) {
- c = buf;
- ext = 0;
- while (*c && (*c != '\r') && (*c != '\n')) c++;
- c--;
- if (*c == '\\') ext = 1;
- if (!done && line) {
- r = fputs (line, ofp);
- if (*key)
- r = fputc ('\n', ofp);
- done++;
- }
- } else {
- r = fputs (buf, ofp);
- }
- }
-
- while (r != EOF && fgets (buf, sizeof (buf), ifp))
- r = fputs (buf, ofp);
-
- /* If there wasn't a line to replace, put it on the end of the file */
- if (r != EOF && !done && line) {
- fputs (line, ofp);
- r = fputc ('\n', ofp);
- }
- mx_unlock_file (filename, fileno (ifp), 0);
- m_fclose(&ofp);
- m_fclose(&ifp);
- if (r == EOF) {
- unlink (tmpf);
- mutt_error (_("Can't write %s"), tmpf);
- return -1;
- }
- lnk[0] = '\0';
- if ((l = readlink (filename, lnk, sizeof(lnk)-1)) > 0)
- lnk[l] = '\0';
- if (rename (tmpf, l > 0 ? lnk : filename) < 0) {
- unlink (tmpf);
- mutt_error (_("Can't rename %s to %s"), tmpf, l > 0 ? lnk : filename);
- return -1;
- }
- return 0;
-}
-
-int mutt_newsrc_update (NNTP_SERVER * news)
-{
- char *buf, *line;
- NNTP_DATA *data;
- string_list_t *tmp;
- int r = -1;
- ssize_t len, llen;
-
- if (!news)
- return -1;
- llen = len = 10 * LONG_STRING;
- line = buf = p_new(char, len);
- /* we will generate full newsrc here */
- for (tmp = news->list; tmp; tmp = tmp->next) {
- data = (NNTP_DATA *) tmp->data;
- if (!data || !data->rc)
- continue;
- nntp_create_newsrc_line (data, &buf, &line, &llen);
- line += m_strlen(line);
- }
- /* newrc being fully rewritten */
- if (news->newsrc &&
- (r = mutt_update_list_file(news->newsrc, NULL, "", buf)) == 0) {
- struct stat st;
-
- stat (news->newsrc, &st);
- news->size = st.st_size;
- news->mtime = st.st_mtime;
- }
- p_delete(&buf);
- return r;
-}
-
-static FILE *mutt_mkname (char *s)
-{
- char buf[_POSIX_PATH_MAX], *pc;
- int fd;
- FILE *fp;
-
- nntp_cache_expand (buf, s);
- if ((fp = safe_fopen (buf, "w")))
- return fp;
-
- nntp_cache_expand (buf, "cache-XXXXXX");
- pc = buf + m_strlen(buf) - 12; /* positioning to "cache-XXXXXX" */
- if ((fd = mkstemp (buf)) == -1)
- return NULL;
- strcpy (s, pc); /* generated name */
- return fdopen (fd, "w");
-}
-
-/* Updates info into .index file: ALL or about selected newsgroup */
-static int nntp_update_cacheindex (NNTP_SERVER * serv, NNTP_DATA * data)
-{
- char buf[LONG_STRING];
- char file[_POSIX_PATH_MAX];
- const char *key = "ALL";
-
- if (!serv || !serv->conn || !serv->conn->account.host)
- return -1;
-
- if (data && data->group) {
- key = data->group;
- snprintf (buf, sizeof (buf), "%s %s %d %d", key, data->cache,
- data->firstMessage, data->lastLoaded);
- }
- else {
- m_strcpy(file, sizeof(file), serv->cache);
- snprintf (buf, sizeof (buf), "ALL %s 0 %d", file,
- (int) serv->newgroups_time);
- }
- nntp_cache_expand (file, ".index");
- return mutt_update_list_file (file, serv->conn->account.host, key, buf);
-}
-
-/* Remove cache files of unsubscribed newsgroups */
-void nntp_clear_cacheindex (NNTP_SERVER * news)
-{
- NNTP_DATA *data;
- string_list_t *tmp;
-
- if (option (OPTSAVEUNSUB) || !news)
- return;
-
- for (tmp = news->list; tmp; tmp = tmp->next) {
- data = (NNTP_DATA *) tmp->data;
- if (!data || data->subscribed || !data->cache)
- continue;
- nntp_delete_cache (data);
- }
- return;
-}
-
-int nntp_save_cache_index (NNTP_SERVER * news)
-{
- char buf[HUGE_STRING];
- char file[_POSIX_PATH_MAX];
- NNTP_DATA *d;
- FILE *f;
- string_list_t *l;
-
- if (!news || !news->newsgroups)
- return -1;
- if (!option (OPTNEWSCACHE))
- return 0;
-
- if (news->cache) {
- nntp_cache_expand (file, news->cache);
- unlink (file);
- f = safe_fopen (file, "w");
- }
- else {
- m_strcpy(buf, sizeof(buf), news->conn->account.host);
- f = mutt_mkname (buf);
- news->cache = m_strdup(buf);
- nntp_cache_expand (file, buf);
- }
- if (!f)
- return -1;
-
- for (l = news->list; l; l = l->next) {
- if ((d = (NNTP_DATA *) l->data) && !d->deleted) {
- if (d->desc)
- snprintf (buf, sizeof (buf), "%s %d %d %c %s\n", d->group,
- d->lastMessage, d->firstMessage, d->allowed ? 'y' : 'n',
- d->desc);
- else
- snprintf (buf, sizeof (buf), "%s %d %d %c\n", d->group,
- d->lastMessage, d->firstMessage, d->allowed ? 'y' : 'n');
- if (fputs (buf, f) == EOF) {
- m_fclose(&f);
- unlink (file);
- return -1;
- }
- }
- }
- m_fclose(&f);
-
- if (nntp_update_cacheindex (news, NULL)) {
- unlink (file);
- return -1;
- }
- return 0;
-}
-
-int nntp_save_cache_group (CONTEXT * ctx)
-{
- char buf[HUGE_STRING], addr[STRING];
- char file[_POSIX_PATH_MAX];
- FILE *f;
- HEADER *h;
- struct tm *tm;
- int i = 0, save = SORT_ORDER;
- int prev = 0;
-
- if (!option (OPTNEWSCACHE))
- return 0;
- if (!ctx || !ctx->data || ctx->magic != M_NNTP)
- return -1;
-
- if (((NNTP_DATA *) ctx->data)->cache) {
- nntp_cache_expand (file, ((NNTP_DATA *) ctx->data)->cache);
- unlink (file);
- f = safe_fopen (file, "w");
- }
- else {
- snprintf (buf, sizeof (buf), "%s-%s",
- ((NNTP_DATA *) ctx->data)->nserv->conn->account.host,
- ((NNTP_DATA *) ctx->data)->group);
- f = mutt_mkname (buf);
- ((NNTP_DATA *) ctx->data)->cache = m_strdup(buf);
- nntp_cache_expand (file, buf);
- }
- if (!f)
- return -1;
-
- if (Sort != SORT_ORDER) {
- save = Sort;
- Sort = SORT_ORDER;
- mutt_sort_headers (ctx, 0);
- }
-
- /* Save only $nntp_context messages... */
- ((NNTP_DATA *) ctx->data)->lastCached = 0;
- if (NntpContext && ctx->msgcount > NntpContext)
- i = ctx->msgcount - NntpContext;
- for (; i < ctx->msgcount; i++) {
- if (!ctx->hdrs[i]->deleted && ctx->hdrs[i]->article_num != prev) {
- h = ctx->hdrs[i];
- addr[0] = 0;
- rfc822_addrcat(addr, sizeof(addr), h->env->from, 0);
- tm = gmtime (&h->date_sent);
- snprintf (buf, sizeof (buf),
- "%d\t%s\t%s\t%d %s %d %02d:%02d:%02d GMT\t%s\t",
- h->article_num, h->env->subject, addr, tm->tm_mday,
- Months[tm->tm_mon], tm->tm_year + 1900, tm->tm_hour,
- tm->tm_min, tm->tm_sec, h->env->message_id);
- fputs (buf, f);
- if (h->env->references)
- mutt_write_references (h->env->references, f);
- snprintf (buf, sizeof (buf), "\t%zd\t%d\tXref: %s\n",
- h->content->length, h->lines, NONULL (h->env->xref));
- if (fputs (buf, f) == EOF) {
- m_fclose(&f);
- unlink (file);
- return -1;
- }
- }
- prev = ctx->hdrs[i]->article_num;
- }
-
- if (save != Sort) {
- Sort = save;
- mutt_sort_headers (ctx, 0);
- }
- m_fclose(&f);
-
- if (nntp_update_cacheindex (((NNTP_DATA *) ctx->data)->nserv,
- (NNTP_DATA *) ctx->data)) {
- unlink (file);
- return -1;
- }
- ((NNTP_DATA *) ctx->data)->lastCached =
- ((NNTP_DATA *) ctx->data)->lastLoaded;
- return 0;
-}
-
-void nntp_delete_cache (NNTP_DATA * data)
-{
- char buf[_POSIX_PATH_MAX];
-
- if (!option (OPTNEWSCACHE) || !data || !data->cache || !data->nserv)
- return;
-
- nntp_cache_expand (buf, data->cache);
- unlink (buf);
- p_delete(&data->cache);
- data->lastCached = 0;
- nntp_cache_expand (buf, ".index");
- mutt_update_list_file (buf, data->nserv->conn->account.host, data->group,
- NULL);
-}
-
-NNTP_DATA *mutt_newsgroup_subscribe (NNTP_SERVER * news, char *group)
-{
- NNTP_DATA *data;
-
- if (!news || !news->newsgroups || !group || !*group)
- return NULL;
- if (!(data = (NNTP_DATA *) hash_find (news->newsgroups, group))) {
- data = xmalloc(sizeof(NNTP_DATA) + m_strlen(group) + 1);
- data->group = (char *) data + sizeof (NNTP_DATA);
- strcpy (data->group, group);
- data->nserv = news;
- data->deleted = 1;
- if (news->newsgroups->nelem < news->newsgroups->curnelem * 2)
- hash_resize (news->newsgroups, news->newsgroups->nelem * 2);
- hash_insert (news->newsgroups, data->group, data);
- nntp_add_to_list (news, data);
- }
- if (!data->subscribed) {
- data->subscribed = 1;
- data->rc = 1;
- }
- return data;
-}
-
-NNTP_DATA *mutt_newsgroup_unsubscribe (NNTP_SERVER * news, char *group)
-{
- NNTP_DATA *data;
-
- if (!news || !news->newsgroups || !group || !*group ||
- !(data = (NNTP_DATA *) hash_find (news->newsgroups, group)))
- return NULL;
- if (data->subscribed) {
- data->subscribed = 0;
- if (!option (OPTSAVEUNSUB))
- data->rc = 0;
- }
- return data;
-}
-
-NNTP_DATA *mutt_newsgroup_catchup (NNTP_SERVER * news, char *group)
-{
- NNTP_DATA *data;
-
- if (!news || !news->newsgroups || !group || !*group ||
- !(data = (NNTP_DATA *) hash_find (news->newsgroups, group)))
- return NULL;
- if (!data->max) {
- data->entries = p_new(NEWSRC_ENTRY, 5);
- data->max = 5;
- }
- data->num = 1;
- data->entries[0].first = 1;
- data->unread = 0;
- data->entries[0].last = data->lastMessage;
- if (Context && Context->data == data) {
- int x;
-
- for (x = 0; x < Context->msgcount; x++)
- mutt_set_flag (Context, Context->hdrs[x], M_READ, 1);
- }
- return data;
-}
-
-NNTP_DATA *mutt_newsgroup_uncatchup (NNTP_SERVER * news, char *group)
-{
- NNTP_DATA *data;
-
- if (!news || !news->newsgroups || !group || !*group ||
- !(data = (NNTP_DATA *) hash_find (news->newsgroups, group)))
- return NULL;
- if (!data->max) {
- data->entries = p_new(NEWSRC_ENTRY, 5);
- data->max = 5;
- }
- data->num = 1;
- data->entries[0].first = 1;
- data->entries[0].last = data->firstMessage - 1;
- if (Context && Context->data == data) {
- int x;
-
- data->unread = Context->msgcount;
- for (x = 0; x < Context->msgcount; x++)
- mutt_set_flag (Context, Context->hdrs[x], M_READ, 0);
- }
- else
- data->unread = data->lastMessage - data->entries[0].last;
- return data;
-}
-
-/* this routine gives the first newsgroup with new messages */
-void nntp_buffy (char* dst, ssize_t dstlen) {
- string_list_t *list;
- int count = 0;
-
- /* forward to current group */
- for (list = CurrentNewsSrv->list; list; list = list->next) {
- NNTP_DATA *data = (NNTP_DATA *) list->data;
- if (data && data->subscribed && data->unread &&
- Context && Context->magic == M_NNTP &&
- m_strcmp(data->group, ((NNTP_DATA *) Context->data)->group) == 0) {
- list = list->next;
- break;
- }
- }
-
- *dst = '\0';
-
- while (count < 2) {
-
- if (!list)
- list = CurrentNewsSrv->list;
-
- for (; list; list = list->next) {
- NNTP_DATA *data = (NNTP_DATA *) list->data;
-
- if (data && data->subscribed && data->unread) {
- if (Context && Context->magic == M_NNTP &&
- !m_strcmp(data->group, ((NNTP_DATA *) Context->data)->group)) {
- int i, unread = 0;
-
- for (i = 0; i < Context->msgcount; i++)
- if (!Context->hdrs[i]->read && !Context->hdrs[i]->deleted)
- unread++;
- if (!unread)
- continue;
- }
- m_strcpy(dst, dstlen, data->group);
- break;
- }
- }
- /* done if found */
- if (dst && *dst)
- return;
- count++;
- }
- *dst = '\0';
-}
projects / apps / madmutt.git / commitdiff