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/*
* Copyright (C) 2013 Martin Willi
* Copyright (C) 2013 revosec AG
*
* 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.
*/
#include <library.h>
#include <errno.h>
#include <unistd.h>
#include <limits.h>
#include "stream_unix.h"
/**
* See header
*/
int stream_parse_uri_unix(char *uri, struct sockaddr_un *addr)
{
if (!strpfx(uri, "unix://"))
{
return -1;
}
uri += strlen("unix://");
memset(addr, 0, sizeof(*addr));
addr->sun_family = AF_UNIX;
strncpy(addr->sun_path, uri, sizeof(addr->sun_path));
addr->sun_path[sizeof(addr->sun_path)-1] = '\0';
return offsetof(struct sockaddr_un, sun_path) + strlen(addr->sun_path);
}
/**
* See header
*/
stream_t *stream_create_unix(char *uri)
{
struct sockaddr_un addr;
int len, fd;
len = stream_parse_uri_unix(uri, &addr);
if (len == -1)
{
DBG1(DBG_NET, "invalid stream URI: '%s'", uri);
return NULL;
}
fd = socket(AF_UNIX, SOCK_STREAM, 0);
if (fd < 0)
{
DBG1(DBG_NET, "opening socket '%s' failed: %s", uri, strerror(errno));
return NULL;
}
if (connect(fd, (struct sockaddr*)&addr, len) < 0)
{
DBG1(DBG_NET, "connecting to '%s' failed: %s", uri, strerror(errno));
close(fd);
return NULL;
}
return stream_create_from_fd(fd);
}
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