71 lines
1.7 KiB
C
71 lines
1.7 KiB
C
/*
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* Copyright (C) 2013 Martin Willi
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*
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* Copyright (C) secunet Security Networks AG
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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#include <library.h>
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#include <errno.h>
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#include <unistd.h>
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#include <limits.h>
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#include "stream_unix.h"
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/**
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* See header
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*/
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int stream_parse_uri_unix(char *uri, struct sockaddr_un *addr)
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{
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if (!strpfx(uri, "unix://"))
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{
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return -1;
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}
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uri += strlen("unix://");
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memset(addr, 0, sizeof(*addr));
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addr->sun_family = AF_UNIX;
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strncpy(addr->sun_path, uri, sizeof(addr->sun_path));
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addr->sun_path[sizeof(addr->sun_path)-1] = '\0';
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return offsetof(struct sockaddr_un, sun_path) + strlen(addr->sun_path);
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}
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/**
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* See header
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*/
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stream_t *stream_create_unix(char *uri)
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{
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struct sockaddr_un addr;
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int len, fd;
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len = stream_parse_uri_unix(uri, &addr);
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if (len == -1)
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{
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DBG1(DBG_NET, "invalid stream URI: '%s'", uri);
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return NULL;
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}
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fd = socket(AF_UNIX, SOCK_STREAM, 0);
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if (fd < 0)
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{
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DBG1(DBG_NET, "opening socket '%s' failed: %s", uri, strerror(errno));
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return NULL;
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}
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if (connect(fd, (struct sockaddr*)&addr, len) < 0)
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{
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DBG1(DBG_NET, "connecting to '%s' failed: %s", uri, strerror(errno));
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close(fd);
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return NULL;
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}
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return stream_create_from_fd(fd);
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}
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