c2803f1a04
Uses the same method as in tools/tools/ifinfo/ifinfo.c (via net.link.generic sysctl). Tested with modified wlandebug(8). Differential Revision: https://reviews.freebsd.org/D12554
108 lines
4.0 KiB
C
108 lines
4.0 KiB
C
/*
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* Copyright (c) 2016, Marie Helene Kvello-Aune
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* thislist of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation and/or
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* other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#pragma once
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typedef enum {
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OTHER, IOCTL, SOCKET
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} ifconfig_errtype;
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/*
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* Opaque definition so calling application can just pass a
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* pointer to it for library use.
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*/
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struct ifconfig_handle;
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typedef struct ifconfig_handle ifconfig_handle_t;
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struct ifconfig_capabilities {
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/** Current capabilities (ifconfig prints this as 'options')*/
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int curcap;
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/** Requested capabilities (ifconfig prints this as 'capabilities')*/
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int reqcap;
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};
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/** Retrieves a new state object for use in other API calls.
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* Example usage:
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*{@code
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* // Create state object
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* ifconfig_handle_t *lifh = ifconfig_open();
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*
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* // Do stuff with it
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*
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* // Dispose of the state object
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* ifconfig_close(lifh);
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* lifh = NULL;
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*}
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*/
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ifconfig_handle_t *ifconfig_open(void);
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/** Frees resources held in the provided state object.
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* @param h The state object to close.
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* @see #ifconfig_open(void)
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*/
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void ifconfig_close(ifconfig_handle_t *h);
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/** Identifies what kind of error occured. */
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ifconfig_errtype ifconfig_err_errtype(ifconfig_handle_t *h);
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/** Retrieves the errno associated with the error, if any. */
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int ifconfig_err_errno(ifconfig_handle_t *h);
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/** If error type was IOCTL, this identifies which request failed. */
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unsigned long ifconfig_err_ioctlreq(ifconfig_handle_t *h);
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int ifconfig_get_description(ifconfig_handle_t *h, const char *name,
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char **description);
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int ifconfig_set_description(ifconfig_handle_t *h, const char *name,
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const char *newdescription);
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int ifconfig_unset_description(ifconfig_handle_t *h, const char *name);
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int ifconfig_set_name(ifconfig_handle_t *h, const char *name,
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const char *newname);
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int ifconfig_get_orig_name(ifconfig_handle_t *h, const char *ifname,
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char **orig_name);
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int ifconfig_set_mtu(ifconfig_handle_t *h, const char *name, const int mtu);
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int ifconfig_get_mtu(ifconfig_handle_t *h, const char *name, int *mtu);
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int ifconfig_set_metric(ifconfig_handle_t *h, const char *name,
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const int metric);
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int ifconfig_get_metric(ifconfig_handle_t *h, const char *name, int *metric);
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int ifconfig_set_capability(ifconfig_handle_t *h, const char *name,
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const int capability);
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int ifconfig_get_capability(ifconfig_handle_t *h, const char *name,
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struct ifconfig_capabilities *capability);
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/** Destroy a virtual interface
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* @param name Interface to destroy
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*/
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int ifconfig_destroy_interface(ifconfig_handle_t *h, const char *name);
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/** Creates a (virtual) interface
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* @param name Name of interface to create. Example: bridge or bridge42
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* @param name ifname Is set to actual name of created interface
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*/
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int ifconfig_create_interface(ifconfig_handle_t *h, const char *name,
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char **ifname);
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