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GLIB2 support for SSL code. Patch by vjt@users.sf.net

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git-svn-id: http://svn.irssi.org/repos/irssi/trunk@2973 dbcabf3a-b0e7-0310-adc4-f8d773084564
This commit is contained in:
Timo Sirainen 2002-10-26 18:56:35 +00:00 committed by cras
parent f42df98fc8
commit 9f089f360d
2 changed files with 175 additions and 52 deletions

5
configure.in

@ -428,11 +428,6 @@ if test "x$enable_ssl" = xyes; then
])
CFLAGS=$save_CFLAGS
if test "x`echo $GLIB_LIBS|grep glib-2.0`" != "x"; then
ssl_error="GLIB2 and OpenSSL don't work together currently, SSL is disabled"
enable_openssl=no
fi
if test "x$enable_openssl" = xyes; then
AC_DEFINE(HAVE_OPENSSL)

222
src/core/network-openssl.c

@ -29,23 +29,6 @@
#include <openssl/ssl.h>
#include <openssl/err.h>
/* ssl read */
GIOError irssi_ssl_read(GIOChannel *, gchar *, guint, guint *);
/* ssl write */
GIOError irssi_ssl_write(GIOChannel *, gchar *, guint, guint*);
/* ssl seek */
GIOError irssi_ssl_seek(GIOChannel *, gint, GSeekType);
/* ssl close */
void irssi_ssl_close(GIOChannel *);
#if GLIB_MAJOR_VERSION < 2
/* ssl create watch */
guint irssi_ssl_create_watch(GIOChannel *, gint, GIOCondition, GIOFunc, gpointer, GDestroyNotify);
#else
GSource *irssi_ssl_create_watch(GIOChannel *, GIOCondition);
#endif
/* ssl free */
void irssi_ssl_free(GIOChannel *);
/* ssl i/o channel object */
typedef struct
{
@ -56,23 +39,20 @@ typedef struct
X509 *cert;
} GIOSSLChannel;
/* ssl function pointers */
GIOFuncs irssi_ssl_channel_funcs =
static void irssi_ssl_free(GIOChannel *handle)
{
irssi_ssl_read,
irssi_ssl_write,
irssi_ssl_seek,
irssi_ssl_close,
irssi_ssl_create_watch,
irssi_ssl_free
};
GIOSSLChannel *chan = (GIOSSLChannel *)handle;
g_io_channel_unref(chan->giochan);
SSL_free(chan->ssl);
g_free(chan);
}
SSL_CTX *ssl_ctx = NULL;
#if GLIB_MAJOR_VERSION < 2
#ifdef G_CAN_INLINE
G_INLINE_FUNC
#endif
gint ssl_errno(gint e)
static GIOError ssl_errno(gint e)
{
switch(e)
{
@ -85,10 +65,10 @@ gint ssl_errno(gint e)
return G_IO_ERROR_INVAL;
}
/*UNREACH*/
return -1;
return G_IO_ERROR_INVAL;
}
gboolean irssi_ssl_cert_step(GIOSSLChannel *chan)
static GIOError irssi_ssl_cert_step(GIOSSLChannel *chan)
{
gint err;
switch(err = SSL_do_handshake(chan->ssl))
@ -106,10 +86,10 @@ gboolean irssi_ssl_cert_step(GIOSSLChannel *chan)
return ssl_errno(errno);
}
/*UNREACH*/
return -1;
return G_IO_ERROR_INVAL;
}
GIOError irssi_ssl_read(GIOChannel *handle, gchar *buf, guint len, guint *ret)
static GIOError irssi_ssl_read(GIOChannel *handle, gchar *buf, guint len, guint *ret)
{
GIOSSLChannel *chan = (GIOSSLChannel *)handle;
gint err;
@ -138,7 +118,7 @@ GIOError irssi_ssl_read(GIOChannel *handle, gchar *buf, guint len, guint *ret)
return -1;
}
GIOError irssi_ssl_write(GIOChannel *handle, gchar *buf, guint len, guint *ret)
static GIOError irssi_ssl_write(GIOChannel *handle, const gchar *buf, guint len, guint *ret)
{
GIOSSLChannel *chan = (GIOSSLChannel *)handle;
gint err;
@ -165,10 +145,10 @@ GIOError irssi_ssl_write(GIOChannel *handle, gchar *buf, guint len, guint *ret)
return G_IO_ERROR_NONE;
}
/*UNREACH*/
return -1;
return G_IO_ERROR_INVAL;
}
GIOError irssi_ssl_seek(GIOChannel *handle, gint offset, GSeekType type)
static GIOError irssi_ssl_seek(GIOChannel *handle, gint offset, GSeekType type)
{
GIOSSLChannel *chan = (GIOSSLChannel *)handle;
GIOError e;
@ -176,38 +156,186 @@ GIOError irssi_ssl_seek(GIOChannel *handle, gint offset, GSeekType type)
return (e == G_IO_ERROR_NONE) ? G_IO_ERROR_NONE : G_IO_ERROR_INVAL;
}
void irssi_ssl_close(GIOChannel *handle)
static void irssi_ssl_close(GIOChannel *handle)
{
GIOSSLChannel *chan = (GIOSSLChannel *)handle;
g_io_channel_close(chan->giochan);
}
#if GLIB_MAJOR_VERSION < 2
guint irssi_ssl_create_watch(GIOChannel *handle, gint priority, GIOCondition cond,
static guint irssi_ssl_create_watch(GIOChannel *handle, gint priority, GIOCondition cond,
GIOFunc func, gpointer data, GDestroyNotify notify)
{
GIOSSLChannel *chan = (GIOSSLChannel *)handle;
return chan->giochan->funcs->io_add_watch(handle, priority, cond, func, data, notify);
}
/* ssl function pointers */
static GIOFuncs irssi_ssl_channel_funcs =
{
irssi_ssl_read,
irssi_ssl_write,
irssi_ssl_seek,
irssi_ssl_close,
irssi_ssl_create_watch,
irssi_ssl_free
};
#else /* GLIB_MAJOR_VERSION < 2 */
#ifdef G_CAN_INLINE
G_INLINE_FUNC
#else
GSource *irssi_ssl_create_watch(GIOChannel *handle, GIOCondition cond)
static
#endif
GIOStatus ssl_errno(gint e)
{
switch(e)
{
case EINVAL:
return G_IO_STATUS_ERROR;
case EINTR:
case EAGAIN:
return G_IO_STATUS_AGAIN;
default:
return G_IO_STATUS_ERROR;
}
/*UNREACH*/
return G_IO_STATUS_ERROR;
}
static GIOStatus irssi_ssl_cert_step(GIOSSLChannel *chan)
{
gint err;
switch(err = SSL_do_handshake(chan->ssl))
{
case 1:
if(!(chan->cert = SSL_get_peer_certificate(chan->ssl)))
{
g_warning("SSL server supplied no certificate");
return G_IO_STATUS_ERROR;
}
return G_IO_STATUS_NORMAL;
default:
if(SSL_get_error(chan->ssl, err) == SSL_ERROR_WANT_READ)
return G_IO_STATUS_AGAIN;
return ssl_errno(errno);
}
/*UNREACH*/
return G_IO_STATUS_ERROR;
}
static GIOStatus irssi_ssl_read(GIOChannel *handle, gchar *buf, guint len, guint *ret, GError **gerr)
{
GIOSSLChannel *chan = (GIOSSLChannel *)handle;
gint err;
if(chan->cert == NULL)
{
gint cert_err = irssi_ssl_cert_step(chan);
if(cert_err != G_IO_STATUS_NORMAL)
return cert_err;
}
err = SSL_read(chan->ssl, buf, len);
if(err < 0)
{
*ret = 0;
if(SSL_get_error(chan->ssl, err) == SSL_ERROR_WANT_READ)
return G_IO_STATUS_AGAIN;
return ssl_errno(errno);
}
else
{
*ret = err;
return G_IO_STATUS_NORMAL;
}
/*UNREACH*/
return G_IO_STATUS_ERROR;
}
static GIOStatus irssi_ssl_write(GIOChannel *handle, const gchar *buf, gsize len, gsize *ret, GError **gerr)
{
GIOSSLChannel *chan = (GIOSSLChannel *)handle;
gint err;
if(chan->cert == NULL)
{
gint cert_err = irssi_ssl_cert_step(chan);
if(cert_err != G_IO_STATUS_NORMAL)
return cert_err;
}
err = SSL_write(chan->ssl, (const char *)buf, len);
if(err < 0)
{
*ret = 0;
if(SSL_get_error(chan->ssl, err) == SSL_ERROR_WANT_READ)
return G_IO_STATUS_AGAIN;
return ssl_errno(errno);
}
else
{
*ret = err;
return G_IO_STATUS_NORMAL;
}
/*UNREACH*/
return G_IO_STATUS_ERROR;
}
static GIOStatus irssi_ssl_seek(GIOChannel *handle, gint64 offset, GSeekType type, GError **gerr)
{
GIOSSLChannel *chan = (GIOSSLChannel *)handle;
GIOError e;
e = g_io_channel_seek(chan->giochan, offset, type);
return (e == G_IO_ERROR_NONE) ? G_IO_STATUS_NORMAL : G_IO_STATUS_ERROR;
}
static GIOStatus irssi_ssl_close(GIOChannel *handle, GError **gerr)
{
GIOSSLChannel *chan = (GIOSSLChannel *)handle;
g_io_channel_close(chan->giochan);
return G_IO_STATUS_NORMAL;
}
static GSource *irssi_ssl_create_watch(GIOChannel *handle, GIOCondition cond)
{
GIOSSLChannel *chan = (GIOSSLChannel *)handle;
return chan->giochan->funcs->io_create_watch(handle, cond);
}
#endif
void irssi_ssl_free(GIOChannel *handle)
static GIOStatus irssi_ssl_set_flags(GIOChannel *handle, GIOFlags flags, GError **gerr)
{
GIOSSLChannel *chan = (GIOSSLChannel *)handle;
g_io_channel_unref(chan->giochan);
SSL_free(chan->ssl);
g_free(chan);
GIOSSLChannel *chan = (GIOSSLChannel *)handle;
return chan->giochan->funcs->io_set_flags(handle, flags, gerr);
}
gboolean irssi_ssl_init(void)
static GIOFlags irssi_ssl_get_flags(GIOChannel *handle)
{
GIOSSLChannel *chan = (GIOSSLChannel *)handle;
return chan->giochan->funcs->io_get_flags(handle);
}
static GIOFuncs irssi_ssl_channel_funcs = {
irssi_ssl_read,
irssi_ssl_write,
irssi_ssl_seek,
irssi_ssl_close,
irssi_ssl_create_watch,
irssi_ssl_free,
irssi_ssl_set_flags,
irssi_ssl_get_flags
};
#endif
static SSL_CTX *ssl_ctx = NULL;
static gboolean irssi_ssl_init(void)
{
SSL_library_init();
SSL_load_error_strings();
@ -223,7 +351,7 @@ gboolean irssi_ssl_init(void)
}
GIOChannel *irssi_ssl_get_iochannel(GIOChannel *handle)
static GIOChannel *irssi_ssl_get_iochannel(GIOChannel *handle)
{
GIOSSLChannel *chan;
GIOChannel *gchan;