claws-mail/src/common/socket.h
Andrej Kacian ff5ef90b73 Free a memory leak in libetpan-backed server connections
We create a connection using our sock_connect() and let
libetpan take over managing it. However, libetpan only
needs the socket file descriptor, so we need to get rid
of the rest of the returned SockInfo struct.
2019-05-04 16:44:09 +02:00

126 lines
3.3 KiB
C

/*
* Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
* Copyright (C) 1999-2017 Hiroyuki Yamamoto and the Claws Mail team
*
* 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 3 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/>.
*/
#ifndef __SOCKET_H__
#define __SOCKET_H__
#ifdef HAVE_CONFIG_H
#include "claws-features.h"
#endif
#if (defined (_XOPEN_SOURCE) && !defined (_BSD_SOURCE))
#define _BSD_SOURCE
#endif
#include <glib.h>
#if HAVE_NETDB_H
# include <netdb.h>
#endif
typedef struct _SockInfo SockInfo;
#ifdef USE_GNUTLS
# include "ssl.h"
#endif
typedef enum
{
CONN_READY,
CONN_LOOKUPSUCCESS,
CONN_ESTABLISHED,
CONN_LOOKUPFAILED,
CONN_FAILED,
CONN_DISCONNECTED
} ConnectionState;
typedef gint (*SockConnectFunc) (SockInfo *sock,
gpointer data);
typedef gboolean (*SockFunc) (SockInfo *sock,
GIOCondition condition,
gpointer data);
struct _SockInfo
{
gint sock;
#if USE_GNUTLS
gnutls_session_t ssl;
gnutls_certificate_credentials_t xcred;
#if GNUTLS_VERSION_NUMBER < 0x030000
gnutls_x509_crt_t client_crt;
gnutls_x509_privkey_t client_key;
#else
gnutls_pcert_st client_crt;
gnutls_privkey_t client_key;
#endif /* GNUTLS_VERSION_NUMBER < 0x030000 */
gchar *gnutls_priority;
#endif
guint g_source;
GIOChannel *sock_ch;
gchar *hostname;
gushort port;
ConnectionState state;
gpointer data;
SockFunc callback;
GIOCondition condition;
gchar *canonical_name;
const void *account;
gboolean is_smtp;
gboolean ssl_cert_auto_accept;
gboolean use_tls_sni;
};
void refresh_resolvers (void);
gint sock_init (void);
gint sock_cleanup (void);
gint sock_set_io_timeout (guint sec);
gint sock_set_nonblocking_mode (SockInfo *sock, gboolean nonblock);
gboolean sock_is_nonblocking_mode (SockInfo *sock);
guint sock_add_watch (SockInfo *sock, GIOCondition condition,
SockFunc func, gpointer data);
SockInfo *sock_connect (const gchar *hostname, gushort port);
gint sock_connect_async (const gchar *hostname, gushort port,
SockConnectFunc func, gpointer data);
gint sock_connect_async_cancel (gint id);
/* Basic I/O functions */
gint sock_read (SockInfo *sock, gchar *buf, gint len);
gint sock_write (SockInfo *sock, const gchar *buf, gint len);
gint sock_write_all (SockInfo *sock, const gchar *buf, gint len);
gint sock_close (SockInfo *sock, gboolean close_fd);
/* Functions to directly work on FD. They are needed for pipes */
gint fd_connect_unix (const gchar *path);
gint fd_open_unix (const gchar *path);
gint fd_accept (gint sock);
gint fd_connect_inet(gushort port);
gint fd_open_inet(gushort port);
gint fd_write (gint sock, const gchar *buf, gint len);
gint fd_write_all (gint sock, const gchar *buf, gint len);
gint fd_gets (gint sock, gchar *buf, gint len);
gint fd_close (gint sock);
#endif /* __SOCKET_H__ */