/*
device.c -- UML network socket
Copyright (C) 2002-2005 Ivo Timmermans,
/*
device.c -- UML network socket
Copyright (C) 2002-2005 Ivo Timmermans,
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
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
if((write_fd = socket(PF_UNIX, SOCK_DGRAM, 0)) < 0) {
logger(DEBUG_ALWAYS, LOG_ERR, "Could not open write %s: %s", device_info, strerror(errno));
if((write_fd = socket(PF_UNIX, SOCK_DGRAM, 0)) < 0) {
logger(DEBUG_ALWAYS, LOG_ERR, "Could not open write %s: %s", device_info, strerror(errno));
if(fcntl(write_fd, F_SETFL, O_NONBLOCK) < 0) {
logger(DEBUG_ALWAYS, LOG_ERR, "System call `%s' failed: %s", "fcntl", strerror(errno));
if(fcntl(write_fd, F_SETFL, O_NONBLOCK) < 0) {
logger(DEBUG_ALWAYS, LOG_ERR, "System call `%s' failed: %s", "fcntl", strerror(errno));
return false;
}
if((data_fd = socket(PF_UNIX, SOCK_DGRAM, 0)) < 0) {
logger(DEBUG_ALWAYS, LOG_ERR, "Could not open data %s: %s", device_info, strerror(errno));
return false;
}
if((data_fd = socket(PF_UNIX, SOCK_DGRAM, 0)) < 0) {
logger(DEBUG_ALWAYS, LOG_ERR, "Could not open data %s: %s", device_info, strerror(errno));
if(fcntl(data_fd, F_SETFL, O_NONBLOCK) < 0) {
logger(DEBUG_ALWAYS, LOG_ERR, "System call `%s' failed: %s", "fcntl", strerror(errno));
if(fcntl(data_fd, F_SETFL, O_NONBLOCK) < 0) {
logger(DEBUG_ALWAYS, LOG_ERR, "System call `%s' failed: %s", "fcntl", strerror(errno));
name.usecs = tv.tv_usec;
data_sun.sun_family = AF_UNIX;
memcpy(&data_sun.sun_path, &name, sizeof name);
name.usecs = tv.tv_usec;
data_sun.sun_family = AF_UNIX;
memcpy(&data_sun.sun_path, &name, sizeof name);
if(bind(data_fd, (struct sockaddr *)&data_sun, sizeof data_sun) < 0) {
logger(DEBUG_ALWAYS, LOG_ERR, "Could not bind data %s: %s", device_info, strerror(errno));
if(bind(data_fd, (struct sockaddr *)&data_sun, sizeof data_sun) < 0) {
logger(DEBUG_ALWAYS, LOG_ERR, "Could not bind data %s: %s", device_info, strerror(errno));
if(fcntl(listen_fd, F_SETFL, O_NONBLOCK) < 0) {
logger(DEBUG_ALWAYS, LOG_ERR, "System call `%s' failed: %s", "fcntl", strerror(errno));
if(fcntl(listen_fd, F_SETFL, O_NONBLOCK) < 0) {
logger(DEBUG_ALWAYS, LOG_ERR, "System call `%s' failed: %s", "fcntl", strerror(errno));
if((inlen = read(request_fd, &request, sizeof request)) != sizeof request) {
logger(DEBUG_ALWAYS, LOG_ERR, "Error while reading request from %s %s: %s", device_info,
device, strerror(errno));
if((inlen = read(request_fd, &request, sizeof request)) != sizeof request) {
logger(DEBUG_ALWAYS, LOG_ERR, "Error while reading request from %s %s: %s", device_info,
device, strerror(errno));
return false;
}
if(request.magic != 0xfeedface || request.version != 3 || request.type != REQ_NEW_CONTROL) {
logger(DEBUG_ALWAYS, LOG_ERR, "Unknown magic %x, version %d, request type %d from %s %s",
request.magic, request.version, request.type, device_info, device);
return false;
}
if(request.magic != 0xfeedface || request.version != 3 || request.type != REQ_NEW_CONTROL) {
logger(DEBUG_ALWAYS, LOG_ERR, "Unknown magic %x, version %d, request type %d from %s %s",
request.magic, request.version, request.type, device_info, device);
return false;
}
if(connect(write_fd, &request.sock, sizeof request.sock) < 0) {
logger(DEBUG_ALWAYS, LOG_ERR, "Could not bind write %s: %s", device_info, strerror(errno));
return false;
}
if(connect(write_fd, &request.sock, sizeof request.sock) < 0) {
logger(DEBUG_ALWAYS, LOG_ERR, "Could not bind write %s: %s", device_info, strerror(errno));
if((inlen = read(data_fd, packet->data, MTU)) <= 0) {
logger(DEBUG_ALWAYS, LOG_ERR, "Error while reading from %s %s: %s", device_info,
device, strerror(errno));
if((inlen = read(data_fd, packet->data, MTU)) <= 0) {
logger(DEBUG_ALWAYS, LOG_ERR, "Error while reading from %s %s: %s", device_info,
device, strerror(errno));
if(write(write_fd, packet->data, packet->len) < 0) {
if(errno != EINTR && errno != EAGAIN) {
logger(DEBUG_ALWAYS, LOG_ERR, "Can't write to %s %s: %s", device_info, device, strerror(errno));
if(write(write_fd, packet->data, packet->len) < 0) {
if(errno != EINTR && errno != EAGAIN) {
logger(DEBUG_ALWAYS, LOG_ERR, "Can't write to %s %s: %s", device_info, device, strerror(errno));