lib.h File Reference

POP network mailbox. More...

#include "core/lib.h"

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Functions
void	pop_fetch_mail (void)
	Fetch messages and save them in $spool_file.
enum MailboxType	pop_path_probe (const char *path, const struct stat *st)
	Is this a POP Mailbox? - Implements MxOps::path_probe() -.

Variables
const struct MxOps	MxPopOps
	POP Mailbox - Implements MxOps -.

Detailed Description

POP network mailbox.

Authors

• Vsevolod Volkov
• Richard Russon

Copyright

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, see http://www.gnu.org/licenses/.

Definition in file lib.h.

Function Documentation

pop_fetch_mail()

void pop_fetch_mail

(

void

)

Fetch messages and save them in $spool_file.

Definition at line 513 of file pop.c.

{
  const char *const c_pop_host = cs_subset_string(NeoMutt->sub, "pop_host");
  if (!c_pop_host)
  {
    mutt_error(_("POP host is not defined"));
    return;
  }
 
  char buf[1024] = { 0 };
  char msgbuf[128] = { 0 };
  int last = 0, msgs = 0, bytes = 0, rset = 0, rc;
  struct ConnAccount cac = { { 0 } };
 
  char *p = mutt_mem_calloc(strlen(c_pop_host) + 7, sizeof(char));
  char *url = p;
  if (url_check_scheme(c_pop_host) == U_UNKNOWN)
  {
    strcpy(url, "pop://");
    p = strchr(url, '\0');
  }
  strcpy(p, c_pop_host);
 
  rc = pop_parse_path(url, &cac);
  FREE(&url);
  if (rc)
  {
    mutt_error(_("%s is an invalid POP path"), c_pop_host);
    return;
  }
 
  struct Connection *conn = mutt_conn_find(&cac);
  if (!conn)
    return;
 
  struct PopAccountData *adata = pop_adata_new();
  adata->conn = conn;
 
  if (pop_open_connection(adata) < 0)
  {
    pop_adata_free((void **) &adata);
    return;
  }
 
  mutt_message(_("Checking for new messages..."));
 
  /* find out how many messages are in the mailbox. */
  mutt_str_copy(buf, "STAT\r\n", sizeof(buf));
  rc = pop_query(adata, buf, sizeof(buf));
  if (rc == -1)
    goto fail;
  if (rc == -2)
  {
    mutt_error("%s", adata->err_msg);
    goto finish;
  }
 
  sscanf(buf, "+OK %d %d", &msgs, &bytes);
 
  /* only get unread messages */
  const bool c_pop_last = cs_subset_bool(NeoMutt->sub, "pop_last");
  if ((msgs > 0) && c_pop_last)
  {
    mutt_str_copy(buf, "LAST\r\n", sizeof(buf));
    rc = pop_query(adata, buf, sizeof(buf));
    if (rc == -1)
      goto fail;
    if (rc == 0)
      sscanf(buf, "+OK %d", &last);
  }
 
  if (msgs <= last)
  {
    mutt_message(_("No new mail in POP mailbox"));
    goto finish;
  }
 
  const char *const c_spool_file = cs_subset_string(NeoMutt->sub, "spool_file");
  struct Mailbox *m_spool = mx_path_resolve(c_spool_file);
 
  if (!mx_mbox_open(m_spool, MUTT_OPEN_NO_FLAGS))
  {
    mailbox_free(&m_spool);
    goto finish;
  }
  bool old_append = m_spool->append;
  m_spool->append = true;
 
  enum QuadOption delanswer = query_quadoption(_("Delete messages from server?"),
                                               NeoMutt->sub, "pop_delete");
 
  snprintf(msgbuf, sizeof(msgbuf),
           ngettext("Reading new messages (%d byte)...",
                    "Reading new messages (%d bytes)...", bytes),
           bytes);
  mutt_message("%s", msgbuf);
 
  for (int i = last + 1; i <= msgs; i++)
  {
    struct Message *msg = mx_msg_open_new(m_spool, NULL, MUTT_ADD_FROM);
    if (msg)
    {
      snprintf(buf, sizeof(buf), "RETR %d\r\n", i);
      rc = pop_fetch_data(adata, buf, NULL, fetch_message, msg->fp);
      if (rc == -3)
        rset = 1;
 
      if ((rc == 0) && (mx_msg_commit(m_spool, msg) != 0))
      {
        rset = 1;
        rc = -3;
      }
 
      mx_msg_close(m_spool, &msg);
    }
    else
    {
      rc = -3;
    }
 
    if ((rc == 0) && (delanswer == MUTT_YES))
    {
      /* delete the message on the server */
      snprintf(buf, sizeof(buf), "DELE %d\r\n", i);
      rc = pop_query(adata, buf, sizeof(buf));
    }
 
    if (rc == -1)
    {
      m_spool->append = old_append;
      mx_mbox_close(m_spool);
      goto fail;
    }
    if (rc == -2)
    {
      mutt_error("%s", adata->err_msg);
      break;
    }
    if (rc == -3)
    {
      mutt_error(_("Error while writing mailbox"));
      break;
    }
 
    /* L10N: The plural is picked by the second numerical argument, i.e.
       the %d right before 'messages', i.e. the total number of messages. */
    mutt_message(ngettext("%s [%d of %d message read]",
                          "%s [%d of %d messages read]", msgs - last),
                 msgbuf, i - last, msgs - last);
  }
 
  m_spool->append = old_append;
  mx_mbox_close(m_spool);
 
  if (rset)
  {
    /* make sure no messages get deleted */
    mutt_str_copy(buf, "RSET\r\n", sizeof(buf));
    if (pop_query(adata, buf, sizeof(buf)) == -1)
      goto fail;
  }
 
finish:
  /* exit gracefully */
  mutt_str_copy(buf, "QUIT\r\n", sizeof(buf));
  if (pop_query(adata, buf, sizeof(buf)) == -1)
    goto fail;
  mutt_socket_close(conn);
  pop_adata_free((void **) &adata);
  return;
 
fail:
  mutt_error(_("Server closed connection"));
  mutt_socket_close(conn);
  pop_adata_free((void **) &adata);
}

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