diff options
Diffstat (limited to 'src/starter/starterstroke.c')
-rw-r--r-- | src/starter/starterstroke.c | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/src/starter/starterstroke.c b/src/starter/starterstroke.c new file mode 100644 index 000000000..115741404 --- /dev/null +++ b/src/starter/starterstroke.c @@ -0,0 +1,161 @@ +/* Stroke for charon is the counterpart to whack from pluto + * Copyright (C) 2006 Martin Willi - Hochschule fuer Technik Rapperswil + * + * 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. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * 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. + * + * RCSID $Id: starterstroke.c $ + */ + +#include <sys/types.h> +#include <sys/socket.h> +#include <sys/un.h> +#include <linux/stddef.h> +#include <unistd.h> +#include <stdlib.h> +#include <errno.h> +#include <netinet/in.h> +#include <arpa/inet.h> + +#include <freeswan.h> + +#include "../pluto/constants.h" +#include "../pluto/defs.h" +#include "../pluto/log.h" + +#include "../charon/stroke/stroke.h" + +#include "starterstroke.h" +#include "confread.h" +#include "files.h" + +static char* push_string(stroke_msg_t **strm, char *string) +{ + stroke_msg_t *stroke_msg; + size_t string_length; + + if (string == NULL) + { + return NULL; + } + stroke_msg = *strm; + string_length = strlen(string) + 1; + stroke_msg->length += string_length; + + stroke_msg = realloc(stroke_msg, stroke_msg->length); + strcpy((char*)stroke_msg + stroke_msg->length - string_length, string); + + *strm = stroke_msg; + return (char*)(u_int)stroke_msg->length - string_length; +} + +static int +send_stroke_msg (stroke_msg_t *msg) +{ + struct sockaddr_un ctl_addr = { AF_UNIX, CHARON_CTL_FILE }; + int sock; + + sock = socket(AF_UNIX, SOCK_STREAM, 0); + if (sock < 0) + { + plog("socket() failed: %s", strerror(errno)); + return -1; + } + if (connect(sock, (struct sockaddr *)&ctl_addr, + offsetof(struct sockaddr_un, sun_path) + strlen(ctl_addr.sun_path)) < 0) + { + plog("connect(charon_ctl) failed: %s", strerror(errno)); + close(sock); + return -1; + } + + /* send message */ + if (write(sock, msg, msg->length) != msg->length) + { + plog("write(charon_ctl) failed: %s", strerror(errno)); + close(sock); + return -1; + } + + close(sock); + return 0; +} + +static char * +connection_name(starter_conn_t *conn) +{ + /* if connection name is '%auto', create a new name like conn_xxxxx */ + static char buf[32]; + + if (streq(conn->name, "%auto")) + { + sprintf(buf, "conn_%ld", conn->id); + return buf; + } + return conn->name; +} + + +int starter_stroke_add_conn(starter_conn_t *conn) +{ + stroke_msg_t *msg = malloc(sizeof(stroke_msg_t)); + int res; + + msg->length = sizeof(stroke_msg_t); + msg->type = STR_ADD_CONN; + + msg->add_conn.name = push_string(&msg, connection_name(conn)); + + msg->add_conn.me.id = push_string(&msg, conn->left.id); + msg->add_conn.me.cert = push_string(&msg, conn->left.cert); + msg->add_conn.me.address = push_string(&msg, inet_ntoa(conn->left.addr.u.v4.sin_addr)); + msg->add_conn.me.subnet = push_string(&msg, inet_ntoa(conn->left.subnet.addr.u.v4.sin_addr)); + msg->add_conn.me.subnet_mask = conn->left.subnet.maskbits; + + msg->add_conn.other.id = push_string(&msg, conn->right.id); + msg->add_conn.other.cert = push_string(&msg, conn->right.cert); + msg->add_conn.other.address = push_string(&msg, inet_ntoa(conn->right.addr.u.v4.sin_addr)); + msg->add_conn.other.subnet = push_string(&msg, inet_ntoa(conn->right.subnet.addr.u.v4.sin_addr)); + msg->add_conn.other.subnet_mask = conn->right.subnet.maskbits; + + res = send_stroke_msg(msg); + free(msg); + return res; +} + +int starter_stroke_del_conn(starter_conn_t *conn) +{ + return 0; +} +int starter_stroke_route_conn(starter_conn_t *conn) +{ + stroke_msg_t *msg = malloc(sizeof(stroke_msg_t)); + int res; + + msg->length = sizeof(stroke_msg_t); + msg->type = STR_INSTALL; + msg->install.name = push_string(&msg, connection_name(conn)); + res = send_stroke_msg(msg); + free(msg); + return res; +} + +int starter_stroke_initiate_conn(starter_conn_t *conn) +{ + stroke_msg_t *msg = malloc(sizeof(stroke_msg_t)); + int res; + + msg->length = sizeof(stroke_msg_t); + msg->type = STR_INITIATE; + msg->initiate.name = push_string(&msg, connection_name(conn)); + res = send_stroke_msg(msg); + free(msg); + return res; +} |