+++ /dev/null
-/*
- * Copyright notice from original mutt:
- * 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.
- */
-
-#if HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include "mutt.h"
-#include "mx.h"
-#include "pop.h"
-#include "mutt_crypt.h"
-
-#include <string.h>
-#include <unistd.h>
-
-/* write line to file */
-static int fetch_message (char *line, void *file)
-{
- FILE *f = (FILE *) file;
-
- fputs (line, f);
- if (fputc ('\n', f) == EOF)
- return -1;
-
- return 0;
-}
-
-/*
- * Read header
- * returns:
- * 0 on success
- * -1 - conection lost,
- * -2 - invalid command or execution error,
- * -3 - error writing to tempfile
- */
-static int pop_read_header (POP_DATA * pop_data, HEADER * h)
-{
- FILE *f;
- int ret, index;
- long length;
- char buf[LONG_STRING];
- char tempfile[_POSIX_PATH_MAX];
-
- mutt_mktemp (tempfile);
- if (!(f = safe_fopen (tempfile, "w+"))) {
- mutt_perror (tempfile);
- return -3;
- }
-
- snprintf (buf, sizeof (buf), "LIST %d\r\n", h->refno);
- ret = pop_query (pop_data, buf, sizeof (buf));
- if (ret == 0) {
- sscanf (buf, "+OK %d %ld", &index, &length);
-
- snprintf (buf, sizeof (buf), "TOP %d 0\r\n", h->refno);
- ret = pop_fetch_data (pop_data, buf, NULL, fetch_message, f);
-
- if (pop_data->cmd_top == 2) {
- if (ret == 0) {
- pop_data->cmd_top = 1;
-
- dprint (1, (debugfile, "pop_read_header: set TOP capability\n"));
- }
-
- if (ret == -2) {
- pop_data->cmd_top = 0;
-
- dprint (1, (debugfile, "pop_read_header: unset TOP capability\n"));
- snprintf (pop_data->err_msg, sizeof (pop_data->err_msg),
- _("Command TOP is not supported by server."));
- }
- }
- }
-
- switch (ret) {
- case 0:
- {
- rewind (f);
- h->env = mutt_read_rfc822_header (f, h, 0, 0);
- h->content->length = length - h->content->offset + 1;
- rewind (f);
- while (!feof (f)) {
- h->content->length--;
- fgets (buf, sizeof (buf), f);
- }
- break;
- }
- case -2:
- {
- mutt_error ("%s", pop_data->err_msg);
- break;
- }
- case -3:
- {
- mutt_error _("Can't write header to temporary file!");
-
- break;
- }
- }
-
- fclose (f);
- unlink (tempfile);
- return ret;
-}
-
-/* parse UIDL */
-static int fetch_uidl (char *line, void *data)
-{
- int i, index;
- CONTEXT *ctx = (CONTEXT *) data;
- POP_DATA *pop_data = (POP_DATA *) ctx->data;
-
- sscanf (line, "%d %s", &index, line);
- for (i = 0; i < ctx->msgcount; i++)
- if (!mutt_strcmp (line, ctx->hdrs[i]->data))
- break;
-
- if (i == ctx->msgcount) {
- dprint (1,
- (debugfile, "pop_fetch_headers: new header %d %s\n", index,
- line));
-
- if (i >= ctx->hdrmax)
- mx_alloc_memory (ctx);
-
- ctx->msgcount++;
- ctx->hdrs[i] = mutt_new_header ();
- ctx->hdrs[i]->data = safe_strdup (line);
- }
- else if (ctx->hdrs[i]->index != index - 1)
- pop_data->clear_cache = 1;
-
- ctx->hdrs[i]->refno = index;
- ctx->hdrs[i]->index = index - 1;
-
- return 0;
-}
-
-/*
- * Read headers
- * returns:
- * 0 on success
- * -1 - conection lost,
- * -2 - invalid command or execution error,
- * -3 - error writing to tempfile
- */
-static int pop_fetch_headers (CONTEXT * ctx)
-{
- int i, ret, old_count, new_count;
- POP_DATA *pop_data = (POP_DATA *) ctx->data;
-
- time (&pop_data->check_time);
- pop_data->clear_cache = 0;
-
- for (i = 0; i < ctx->msgcount; i++)
- ctx->hdrs[i]->refno = -1;
-
- old_count = ctx->msgcount;
- ret = pop_fetch_data (pop_data, "UIDL\r\n", NULL, fetch_uidl, ctx);
- new_count = ctx->msgcount;
- ctx->msgcount = old_count;
-
- if (pop_data->cmd_uidl == 2) {
- if (ret == 0) {
- pop_data->cmd_uidl = 1;
-
- dprint (1, (debugfile, "pop_fetch_headers: set UIDL capability\n"));
- }
-
- if (ret == -2 && pop_data->cmd_uidl == 2) {
- pop_data->cmd_uidl = 0;
-
- dprint (1, (debugfile, "pop_fetch_headers: unset UIDL capability\n"));
- snprintf (pop_data->err_msg, sizeof (pop_data->err_msg),
- _("Command UIDL is not supported by server."));
- }
- }
-
- if (ret == 0) {
- for (i = 0; i < old_count; i++)
- if (ctx->hdrs[i]->refno == -1)
- ctx->hdrs[i]->deleted = 1;
-
- for (i = old_count; i < new_count; i++) {
- mutt_message (_("Fetching message headers... [%d/%d]"),
- i + 1 - old_count, new_count - old_count);
-
- ret = pop_read_header (pop_data, ctx->hdrs[i]);
- if (ret < 0)
- break;
-
- ctx->msgcount++;
- }
-
- if (i > old_count)
- mx_update_context (ctx, i - old_count);
- }
-
- if (ret < 0) {
- for (i = ctx->msgcount; i < new_count; i++)
- mutt_free_header (&ctx->hdrs[i]);
- return ret;
- }
-
- mutt_clear_error ();
- return (new_count - old_count);
-}
-
-/* open POP mailbox - fetch only headers */
-int pop_open_mailbox (CONTEXT * ctx)
-{
- int ret;
- char buf[LONG_STRING];
- CONNECTION *conn;
- ACCOUNT acct;
- POP_DATA *pop_data;
- ciss_url_t url;
-
- if (pop_parse_path (ctx->path, &acct)) {
- mutt_error (_("%s is an invalid POP path"), ctx->path);
- mutt_sleep (2);
- return -1;
- }
-
- mutt_account_tourl (&acct, &url);
- url.path = NULL;
- url_ciss_tostring (&url, buf, sizeof (buf), 0);
- conn = mutt_conn_find (NULL, &acct);
- if (!conn)
- return -1;
-
- FREE (&ctx->path);
- ctx->path = safe_strdup (buf);
-
- pop_data = safe_calloc (1, sizeof (POP_DATA));
- pop_data->conn = conn;
- ctx->data = pop_data;
-
- if (pop_open_connection (pop_data) < 0)
- return -1;
-
- conn->data = pop_data;
-
- FOREVER {
- if (pop_reconnect (ctx) < 0)
- return -1;
-
- ctx->size = pop_data->size;
-
- mutt_message _("Fetching list of messages...");
-
- ret = pop_fetch_headers (ctx);
-
- if (ret >= 0)
- return 0;
-
- if (ret < -1) {
- mutt_sleep (2);
- return -1;
- }
- }
-}
-
-/* delete all cached messages */
-static void pop_clear_cache (POP_DATA * pop_data)
-{
- int i;
-
- if (!pop_data->clear_cache)
- return;
-
- dprint (1, (debugfile, "pop_clear_cache: delete cached messages\n"));
-
- for (i = 0; i < POP_CACHE_LEN; i++) {
- if (pop_data->cache[i].path) {
- unlink (pop_data->cache[i].path);
- FREE (&pop_data->cache[i].path);
- }
- }
-}
-
-/* close POP mailbox */
-void pop_close_mailbox (CONTEXT * ctx)
-{
- POP_DATA *pop_data = (POP_DATA *) ctx->data;
-
- if (!pop_data)
- return;
-
- pop_logout (ctx);
-
- if (pop_data->status != POP_NONE)
- mutt_socket_close (pop_data->conn);
-
- pop_data->status = POP_NONE;
-
- pop_data->clear_cache = 1;
- pop_clear_cache (pop_data);
-
- if (!pop_data->conn->data)
- mutt_socket_free (pop_data->conn);
-
- return;
-}
-
-/* fetch message from POP server */
-int pop_fetch_message (MESSAGE * msg, CONTEXT * ctx, int msgno)
-{
- int ret;
- void *uidl;
- char buf[LONG_STRING];
- char path[_POSIX_PATH_MAX];
- char *m = _("Fetching message...");
- POP_DATA *pop_data = (POP_DATA *) ctx->data;
- POP_CACHE *cache;
- HEADER *h = ctx->hdrs[msgno];
-
- /* see if we already have the message in our cache */
- cache = &pop_data->cache[h->index % POP_CACHE_LEN];
-
- if (cache->path) {
- if (cache->index == h->index) {
- /* yes, so just return a pointer to the message */
- msg->fp = fopen (cache->path, "r");
- if (msg->fp)
- return 0;
-
- mutt_perror (cache->path);
- mutt_sleep (2);
- return -1;
- }
- else {
- /* clear the previous entry */
- unlink (cache->path);
- FREE (&cache->path);
- }
- }
-
- FOREVER {
- if (pop_reconnect (ctx) < 0)
- return -1;
-
- /* verify that massage index is correct */
- if (h->refno < 0) {
- mutt_error
- _("The message index is incorrect. Try reopening the mailbox.");
- mutt_sleep (2);
- return -1;
- }
-
- mutt_message (m);
-
- mutt_mktemp (path);
- msg->fp = safe_fopen (path, "w+");
- if (!msg->fp) {
- mutt_perror (path);
- mutt_sleep (2);
- return -1;
- }
-
- snprintf (buf, sizeof (buf), "RETR %d\r\n", h->refno);
-
- ret = pop_fetch_data (pop_data, buf, m, fetch_message, msg->fp);
- if (ret == 0)
- break;
-
- safe_fclose (&msg->fp);
- unlink (path);
-
- if (ret == -2) {
- mutt_error ("%s", pop_data->err_msg);
- mutt_sleep (2);
- return -1;
- }
-
- if (ret == -3) {
- mutt_error _("Can't write message to temporary file!");
-
- mutt_sleep (2);
- return -1;
- }
- }
-
- /* Update the header information. Previously, we only downloaded a
- * portion of the headers, those required for the main display.
- */
- cache->index = h->index;
- cache->path = safe_strdup (path);
- rewind (msg->fp);
- uidl = h->data;
- mutt_free_envelope (&h->env);
- h->env = mutt_read_rfc822_header (msg->fp, h, 0, 0);
- h->data = uidl;
- h->lines = 0;
- fgets (buf, sizeof (buf), msg->fp);
- while (!feof (msg->fp)) {
- ctx->hdrs[msgno]->lines++;
- fgets (buf, sizeof (buf), msg->fp);
- }
-
- h->content->length = ftell (msg->fp) - h->content->offset;
-
- /* This needs to be done in case this is a multipart message */
- if (!WithCrypto)
- h->security = crypt_query (h->content);
-
- mutt_clear_error ();
- rewind (msg->fp);
-
- return 0;
-}
-
-/* update POP mailbox - delete messages from server */
-int pop_sync_mailbox (CONTEXT * ctx, int *index_hint)
-{
- int i, ret;
- char buf[LONG_STRING];
- POP_DATA *pop_data = (POP_DATA *) ctx->data;
-
- pop_data->check_time = 0;
-
- FOREVER {
- if (pop_reconnect (ctx) < 0)
- return -1;
-
- mutt_message (_("Marking %d messages deleted..."), ctx->deleted);
-
- for (i = 0, ret = 0; ret == 0 && i < ctx->msgcount; i++) {
- if (ctx->hdrs[i]->deleted) {
- snprintf (buf, sizeof (buf), "DELE %d\r\n", ctx->hdrs[i]->refno);
- ret = pop_query (pop_data, buf, sizeof (buf));
- }
- }
-
- if (ret == 0) {
- strfcpy (buf, "QUIT\r\n", sizeof (buf));
- ret = pop_query (pop_data, buf, sizeof (buf));
- }
-
- if (ret == 0) {
- pop_data->clear_cache = 1;
- pop_clear_cache (pop_data);
- pop_data->status = POP_DISCONNECTED;
- return 0;
- }
-
- if (ret == -2) {
- mutt_error ("%s", pop_data->err_msg);
- mutt_sleep (2);
- return -1;
- }
- }
-}
-
-/* Check for new messages and fetch headers */
-int pop_check_mailbox (CONTEXT * ctx, int *index_hint)
-{
- int ret;
- POP_DATA *pop_data = (POP_DATA *) ctx->data;
-
- if ((pop_data->check_time + PopCheckTimeout) > time (NULL))
- return 0;
-
- pop_logout (ctx);
-
- mutt_socket_close (pop_data->conn);
-
- if (pop_open_connection (pop_data) < 0)
- return -1;
-
- ctx->size = pop_data->size;
-
- mutt_message _("Checking for new messages...");
-
- ret = pop_fetch_headers (ctx);
- pop_clear_cache (pop_data);
-
- if (ret < 0)
- return -1;
-
- if (ret > 0)
- return M_NEW_MAIL;
-
- return 0;
-}
-
-/* Fetch messages and save them in $spoolfile */
-void pop_fetch_mail (void)
-{
- char buffer[LONG_STRING];
- char msgbuf[SHORT_STRING];
- char *url, *p;
- int i, delanswer, last = 0, msgs, bytes, rset = 0, ret;
- CONNECTION *conn;
- CONTEXT ctx;
- MESSAGE *msg = NULL;
- ACCOUNT acct;
- POP_DATA *pop_data;
-
- if (!PopHost) {
- mutt_error _("POP host is not defined.");
-
- return;
- }
-
- url = p = safe_calloc (mutt_strlen (PopHost) + 7, sizeof (char));
- if (url_check_scheme (PopHost) == U_UNKNOWN) {
- strcpy (url, "pop://"); /* __STRCPY_CHECKED__ */
- p = strchr (url, '\0');
- }
- strcpy (p, PopHost); /* __STRCPY_CHECKED__ */
-
- ret = pop_parse_path (url, &acct);
- FREE (&url);
- if (ret) {
- mutt_error (_("%s is an invalid POP path"), PopHost);
- return;
- }
-
- conn = mutt_conn_find (NULL, &acct);
- if (!conn)
- return;
-
- pop_data = safe_calloc (1, sizeof (POP_DATA));
- pop_data->conn = conn;
-
- if (pop_open_connection (pop_data) < 0) {
- mutt_socket_free (pop_data->conn);
- FREE (&pop_data);
- return;
- }
-
- conn->data = pop_data;
-
- mutt_message _("Checking for new messages...");
-
- /* find out how many messages are in the mailbox. */
- strfcpy (buffer, "STAT\r\n", sizeof (buffer));
- ret = pop_query (pop_data, buffer, sizeof (buffer));
- if (ret == -1)
- goto fail;
- if (ret == -2) {
- mutt_error ("%s", pop_data->err_msg);
- goto finish;
- }
-
- sscanf (buffer, "+OK %d %d", &msgs, &bytes);
-
- /* only get unread messages */
- if (msgs > 0 && option (OPTPOPLAST)) {
- strfcpy (buffer, "LAST\r\n", sizeof (buffer));
- ret = pop_query (pop_data, buffer, sizeof (buffer));
- if (ret == -1)
- goto fail;
- if (ret == 0)
- sscanf (buffer, "+OK %d", &last);
- }
-
- if (msgs <= last) {
- mutt_message _("No new mail in POP mailbox.");
-
- goto finish;
- }
-
- if (mx_open_mailbox (NONULL (Spoolfile), M_APPEND, &ctx) == NULL)
- goto finish;
-
- delanswer =
- query_quadoption (OPT_POPDELETE, _("Delete messages from server?"));
-
- snprintf (msgbuf, sizeof (msgbuf), _("Reading new messages (%d bytes)..."),
- bytes);
- mutt_message ("%s", msgbuf);
-
- for (i = last + 1; i <= msgs; i++) {
- if ((msg = mx_open_new_message (&ctx, NULL, M_ADD_FROM)) == NULL)
- ret = -3;
- else {
- snprintf (buffer, sizeof (buffer), "RETR %d\r\n", i);
- ret = pop_fetch_data (pop_data, buffer, NULL, fetch_message, msg->fp);
- if (ret == -3)
- rset = 1;
-
- if (ret == 0 && mx_commit_message (msg, &ctx) != 0) {
- rset = 1;
- ret = -3;
- }
-
- mx_close_message (&msg);
- }
-
- if (ret == 0 && delanswer == M_YES) {
- /* delete the message on the server */
- snprintf (buffer, sizeof (buffer), "DELE %d\r\n", i);
- ret = pop_query (pop_data, buffer, sizeof (buffer));
- }
-
- if (ret == -1) {
- mx_close_mailbox (&ctx, NULL);
- goto fail;
- }
- if (ret == -2) {
- mutt_error ("%s", pop_data->err_msg);
- break;
- }
- if (ret == -3) {
- mutt_error _("Error while writing mailbox!");
-
- break;
- }
-
- mutt_message (_("%s [%d of %d messages read]"), msgbuf, i - last,
- msgs - last);
- }
-
- mx_close_mailbox (&ctx, NULL);
-
- if (rset) {
- /* make sure no messages get deleted */
- strfcpy (buffer, "RSET\r\n", sizeof (buffer));
- if (pop_query (pop_data, buffer, sizeof (buffer)) == -1)
- goto fail;
- }
-
-finish:
- /* exit gracefully */
- strfcpy (buffer, "QUIT\r\n", sizeof (buffer));
- if (pop_query (pop_data, buffer, sizeof (buffer)) == -1)
- goto fail;
- mutt_socket_close (conn);
- FREE (&pop_data);
- return;
-
-fail:
- mutt_error _("Server closed connection!");
- mutt_socket_close (conn);
- FREE (&pop_data);
-}
projects / apps / madmutt.git / blobdiff