aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--protocols/Makefile2
-rw-r--r--protocols/http_client.c239
-rw-r--r--protocols/http_client.h54
-rw-r--r--protocols/proxy.c2
-rw-r--r--protocols/ssl_bogus.c2
-rw-r--r--protocols/ssl_client.h5
-rw-r--r--protocols/ssl_gnutls.c33
-rw-r--r--protocols/ssl_nss.c4
-rw-r--r--protocols/ssl_openssl.c4
-rw-r--r--sock.h3
10 files changed, 331 insertions, 17 deletions
diff --git a/protocols/Makefile b/protocols/Makefile
index c5f938fd..1ed6b52e 100644
--- a/protocols/Makefile
+++ b/protocols/Makefile
@@ -9,7 +9,7 @@
-include ../Makefile.settings
# [SH] Program variables
-objects = md5.o nogaim.o proxy.o sha.o util.o $(SSL_CLIENT)
+objects = http_client.o md5.o nogaim.o proxy.o sha.o $(SSL_CLIENT) util.o
# [SH] The next two lines should contain the directory name (in $(subdirs))
# and the name of the object file, which should be linked into
diff --git a/protocols/http_client.c b/protocols/http_client.c
new file mode 100644
index 00000000..f631981f
--- /dev/null
+++ b/protocols/http_client.c
@@ -0,0 +1,239 @@
+ /********************************************************************\
+ * BitlBee -- An IRC to other IM-networks gateway *
+ * *
+ * Copyright 2002-2005 Wilmer van der Gaast and others *
+ \********************************************************************/
+
+/* HTTP(S) module (actually, it only does HTTPS right now) */
+
+/*
+ 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 with
+ the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL;
+ if not, write to the Free Software Foundation, Inc., 59 Temple Place,
+ Suite 330, Boston, MA 02111-1307 USA
+*/
+
+#include <string.h>
+
+#include "sock.h"
+#include "http_client.h"
+
+
+static void http_connected( gpointer data, int source, GaimInputCondition cond );
+static void http_ssl_connected( gpointer data, void *source, GaimInputCondition cond );
+static void http_incoming_data( gpointer data, int source, GaimInputCondition cond );
+
+
+void *http_dorequest( char *host, int port, http_input_function func, int ssl, char *request, gpointer data )
+{
+ struct http_request *req;
+ int error = 0;
+
+ req = g_new0( struct http_request, 1 );
+
+ if( ssl )
+ {
+ req->ssl = ssl_connect( host, port, http_ssl_connected, req );
+ if( req->ssl == NULL )
+ error = 1;
+ }
+ else
+ {
+ req->fd = proxy_connect( host, port, http_connected, req );
+ if( req->fd < 0 )
+ error = 1;
+ }
+
+ if( error )
+ {
+ g_free( req );
+ return( NULL );
+ }
+
+ req->request = g_strdup( request );
+ req->request_length = strlen( request );
+
+ return( req );
+}
+
+/* This one is actually pretty simple... Might get more calls if we can't write
+ the whole request at once. */
+static void http_connected( gpointer data, int source, GaimInputCondition cond )
+{
+ struct http_request *req = data;
+ int st;
+
+ if( source < 0 )
+ goto error;
+
+ if( req->inpa > 0 )
+ gaim_input_remove( req->inpa );
+
+ sock_make_nonblocking( req->fd );
+
+ if( req->ssl )
+ {
+ st = ssl_write( req->ssl, req->request + req->bytes_written,
+ req->request_length - req->bytes_written );
+ if( st < 0 )
+ {
+ if( ssl_errno != SSL_AGAIN )
+ {
+ ssl_disconnect( req->ssl );
+ goto error;
+ }
+ }
+ }
+ else
+ {
+ st = write( source, req->request + req->bytes_written,
+ req->request_length - req->bytes_written );
+ if( st < 0 )
+ {
+ if( !sockerr_again() )
+ {
+ close( req->fd );
+ goto error;
+ }
+ }
+ }
+
+ if( st > 0 )
+ req->bytes_written += st;
+
+ if( req->bytes_written < req->request_length )
+ req->inpa = gaim_input_add( source,
+ req->ssl ? ssl_getdirection( req->ssl ) : GAIM_INPUT_WRITE,
+ http_connected, req );
+ else
+ req->inpa = gaim_input_add( source, GAIM_INPUT_READ, http_incoming_data, req );
+
+ return;
+
+error:
+ req->func( req );
+
+ g_free( req->request );
+ g_free( req );
+
+ return;
+}
+
+static void http_ssl_connected( gpointer data, void *source, GaimInputCondition cond )
+{
+ struct http_request *req = data;
+
+ if( source == NULL )
+ return http_connected( data, -1, cond );
+
+ req->fd = ssl_getfd( source );
+
+ return http_connected( data, req->fd, cond );
+}
+
+static void http_incoming_data( gpointer data, int source, GaimInputCondition cond )
+{
+ struct http_request *req = data;
+ int evil_server = 0;
+ char buffer[2048];
+ char *end1, *end2;
+ int st;
+
+ if( req->inpa > 0 )
+ gaim_input_remove( req->inpa );
+
+ if( req->ssl )
+ {
+ st = ssl_read( req->ssl, buffer, sizeof( buffer ) );
+ if( st < 0 )
+ {
+ if( ssl_errno != SSL_AGAIN )
+ {
+ goto cleanup;
+ }
+ }
+ else if( st == 0 )
+ {
+ goto got_reply;
+ }
+ }
+ else
+ {
+ st = read( req->fd, buffer, sizeof( buffer ) );
+ if( st < 0 )
+ {
+ if( !sockerr_again() )
+ {
+ goto cleanup;
+ }
+ }
+ else if( st == 0 )
+ {
+ goto got_reply;
+ }
+ }
+
+ if( st > 0 )
+ {
+ req->reply_headers = g_realloc( req->reply_headers, req->bytes_read + st + 1 );
+ memcpy( req->reply_headers + req->bytes_read, buffer, st );
+ }
+
+ /* There will be more! */
+ req->inpa = gaim_input_add( req->fd,
+ req->ssl ? ssl_getdirection( req->ssl ) : GAIM_INPUT_READ,
+ http_incoming_data, req );
+
+ return;
+
+got_reply:
+ /* Zero termination is very convenient. */
+ req->reply_headers[req->bytes_read] = 0;
+
+ /* Find the separation between headers and body, and keep stupid
+ webservers in mind. */
+ end1 = strstr( req->reply_headers, "\r\n\r\n" );
+ end2 = strstr( req->reply_headers, "\n\n" );
+
+ if( end2 && end2 < end1 )
+ {
+ end1 = end2;
+ evil_server = 1;
+ }
+
+ if( end1 )
+ {
+ *end1 = 0;
+
+ if( evil_server )
+ req->reply_body = end1 + 2;
+ else
+ req->reply_body = end1 + 4;
+ }
+
+ /* Assume that a closed connection means we're finished, this indeed
+ breaks with keep-alive connections and faulty connections. */
+ req->finished = 1;
+
+cleanup:
+ if( req->ssl )
+ ssl_disconnect( req->ssl );
+ else
+ close( req->fd );
+
+ req->func( req );
+
+ g_free( req->request );
+ g_free( req->reply_headers );
+ g_free( req );
+}
diff --git a/protocols/http_client.h b/protocols/http_client.h
new file mode 100644
index 00000000..440fdc9d
--- /dev/null
+++ b/protocols/http_client.h
@@ -0,0 +1,54 @@
+ /********************************************************************\
+ * BitlBee -- An IRC to other IM-networks gateway *
+ * *
+ * Copyright 2002-2005 Wilmer van der Gaast and others *
+ \********************************************************************/
+
+/* HTTP(S) module (actually, it only does HTTPS right now) */
+
+/*
+ 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 with
+ the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL;
+ if not, write to the Free Software Foundation, Inc., 59 Temple Place,
+ Suite 330, Boston, MA 02111-1307 USA
+*/
+
+#include <glib.h>
+
+#include "ssl_client.h"
+
+struct http_request;
+
+typedef void (*http_input_function)( struct http_request * );
+
+struct http_request
+{
+ char *request;
+ int request_length;
+ int status_code;
+ char *reply_headers;
+ char *reply_body;
+ int finished;
+
+ void *ssl;
+ int fd;
+
+ int inpa;
+ int bytes_written;
+ int bytes_read;
+
+ http_input_function func;
+ gpointer data;
+};
+
+void *http_dorequest( char *host, int port, http_input_function func, int ssl, char *request, gpointer data );
diff --git a/protocols/proxy.c b/protocols/proxy.c
index c658a163..1ca35dfe 100644
--- a/protocols/proxy.c
+++ b/protocols/proxy.c
@@ -105,8 +105,6 @@ static gboolean gaim_io_invoke(GIOChannel *source, GIOCondition condition, gpoin
gaim_cond |= GAIM_INPUT_READ;
if (condition & GAIM_WRITE_COND)
gaim_cond |= GAIM_INPUT_WRITE;
-// if (condition & GAIM_ERR_COND)
-// fprintf( stderr, "ERROR! fd=%d\n", g_io_channel_unix_get_fd( source ) );
closure->function(closure->data, g_io_channel_unix_get_fd(source), gaim_cond);
diff --git a/protocols/ssl_bogus.c b/protocols/ssl_bogus.c
index 1ee0df4c..3766baaa 100644
--- a/protocols/ssl_bogus.c
+++ b/protocols/ssl_bogus.c
@@ -27,7 +27,7 @@
int ssl_errno;
-void *ssl_connect( char *host, int port, SslInputFunction func, gpointer data )
+void *ssl_connect( char *host, int port, ssl_input_function func, gpointer data )
{
return( NULL );
}
diff --git a/protocols/ssl_client.h b/protocols/ssl_client.h
index 719cd0c4..89189db9 100644
--- a/protocols/ssl_client.h
+++ b/protocols/ssl_client.h
@@ -32,10 +32,11 @@
extern int ssl_errno;
-typedef void (*SslInputFunction)(gpointer, void*, GaimInputCondition);
+typedef void (*ssl_input_function)(gpointer, void*, GaimInputCondition);
-G_MODULE_EXPORT void *ssl_connect( char *host, int port, SslInputFunction func, gpointer data );
+G_MODULE_EXPORT void *ssl_connect( char *host, int port, ssl_input_function func, gpointer data );
G_MODULE_EXPORT int ssl_read( void *conn, char *buf, int len );
G_MODULE_EXPORT int ssl_write( void *conn, const char *buf, int len );
G_MODULE_EXPORT void ssl_disconnect( void *conn_ );
G_MODULE_EXPORT int ssl_getfd( void *conn );
+G_MODULE_EXPORT GaimInputCondition ssl_getdirection( void *conn );
diff --git a/protocols/ssl_gnutls.c b/protocols/ssl_gnutls.c
index c2eb6906..2e307aab 100644
--- a/protocols/ssl_gnutls.c
+++ b/protocols/ssl_gnutls.c
@@ -37,7 +37,7 @@ static gboolean initialized = FALSE;
struct scd
{
- SslInputFunction func;
+ ssl_input_function func;
gpointer data;
int fd;
gboolean established;
@@ -50,7 +50,7 @@ struct scd
static void ssl_connected( gpointer data, gint source, GaimInputCondition cond );
-void *ssl_connect( char *host, int port, SslInputFunction func, gpointer data )
+void *ssl_connect( char *host, int port, ssl_input_function func, gpointer data )
{
struct scd *conn = g_new0( struct scd, 1 );
@@ -116,9 +116,7 @@ static void ssl_handshake( gpointer data, gint source, GaimInputCondition cond )
{
if( st == GNUTLS_E_AGAIN || st == GNUTLS_E_INTERRUPTED )
{
- conn->inpa = gaim_input_add( conn->fd,
- gnutls_record_get_direction( conn->session ) ?
- GAIM_INPUT_WRITE : GAIM_INPUT_READ,
+ conn->inpa = gaim_input_add( conn->fd, ssl_getdirection( conn ),
ssl_handshake, data );
}
else
@@ -144,25 +142,40 @@ static void ssl_handshake( gpointer data, gint source, GaimInputCondition cond )
int ssl_read( void *conn, char *buf, int len )
{
+ int st;
+
if( !((struct scd*)conn)->established )
{
ssl_errno = SSL_NOHANDSHAKE;
return( -1 );
}
- return( gnutls_record_recv( ((struct scd*)conn)->session, buf, len ) );
+ st = gnutls_record_recv( ((struct scd*)conn)->session, buf, len );
+
+ ssl_errno = SSL_OK;
+ if( st == GNUTLS_E_AGAIN || st == GNUTLS_E_INTERRUPTED )
+ ssl_errno = SSL_AGAIN;
+ return st;
}
int ssl_write( void *conn, const char *buf, int len )
{
+ int st;
+
if( !((struct scd*)conn)->established )
{
ssl_errno = SSL_NOHANDSHAKE;
return( -1 );
}
- return( gnutls_record_send( ((struct scd*)conn)->session, buf, len ) );
+ st = gnutls_record_send( ((struct scd*)conn)->session, buf, len );
+
+ ssl_errno = SSL_OK;
+ if( st == GNUTLS_E_AGAIN || st == GNUTLS_E_INTERRUPTED )
+ ssl_errno = SSL_AGAIN;
+
+ return st;
}
void ssl_disconnect( void *conn_ )
@@ -183,3 +196,9 @@ int ssl_getfd( void *conn )
{
return( ((struct scd*)conn)->fd );
}
+
+GaimInputCondition ssl_getdirection( void *conn )
+{
+ return( gnutls_record_get_direction( ((struct scd*)conn)->session ) ?
+ GAIM_INPUT_WRITE : GAIM_INPUT_READ );
+}
diff --git a/protocols/ssl_nss.c b/protocols/ssl_nss.c
index d28983fc..dfd32622 100644
--- a/protocols/ssl_nss.c
+++ b/protocols/ssl_nss.c
@@ -44,7 +44,7 @@ static gboolean initialized = FALSE;
struct scd
{
- SslInputFunction func;
+ ssl_input_function func;
gpointer data;
int fd;
PRFileDesc *prfd;
@@ -90,7 +90,7 @@ static SECStatus nss_bad_cert (void *arg, PRFileDesc *socket)
}
-void *ssl_connect( char *host, int port, SslInputFunction func, gpointer data )
+void *ssl_connect( char *host, int port, ssl_input_function func, gpointer data )
{
struct scd *conn = g_new0( struct scd, 1 );
diff --git a/protocols/ssl_openssl.c b/protocols/ssl_openssl.c
index bf87ab73..5a107fc5 100644
--- a/protocols/ssl_openssl.c
+++ b/protocols/ssl_openssl.c
@@ -40,7 +40,7 @@ static gboolean initialized = FALSE;
struct scd
{
- SslInputFunction func;
+ ssl_input_function func;
gpointer data;
int fd;
gboolean established;
@@ -53,7 +53,7 @@ static void ssl_connected( gpointer data, gint source, GaimInputCondition cond )
-void *ssl_connect( char *host, int port, SslInputFunction func, gpointer data )
+void *ssl_connect( char *host, int port, ssl_input_function func, gpointer data )
{
struct scd *conn = g_new0( struct scd, 1 );
SSL_METHOD *meth;
diff --git a/sock.h b/sock.h
index 9a9cc223..23a08bb4 100644
--- a/sock.h
+++ b/sock.h
@@ -1,3 +1,6 @@
+#include <errno.h>
+#include <fcntl.h>
+
#ifndef _WIN32
#include <unistd.h>
#include <sys/socket.h>