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Viewing changes to plugin-helpers/mandos-client-iprouteadddel.c

  • Committer: Teddy Hogeborn
  • Date: 2015-07-05 18:36:23 UTC
  • mto: (237.7.307 trunk)
  • mto: This revision was merged to the branch mainline in revision 325.
  • Revision ID: teddy@recompile.se-20150705183623-k7yokhi0wpvs61iw
Add plugin for mandos-client to add and delete local routes.

* Makefile (LIBNL3_CFLAGS, LIBNL3_LIBS): New; add for netlink library.
  (PLUGIN_HELPERS): Add "plugin-helpers/mandos-client-iprouteadddel".
  (plugin-helpers/mandos-client-iprouteadddel): New.
* plugin-helpers/mandos-client-iprouteadddel.c: New.
* plugins.d/mandos_client (add_remove_local_route): Rename
                                                    "remove_arg" to
                                                    "delete_arg".  All
                                                    users changed.

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plugin-helpers/mandos-client-iprouteadddel.c
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/* 
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 * iprouteadddel - Add or delete direct route to a local IP address
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 * 
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 * Copyright © 2015-2018 Teddy Hogeborn
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 * Copyright © 2015-2018 Björn Påhlsson
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 * 
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 * This file is part of Mandos.
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 * 
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 * Mandos 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
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 * the Free Software Foundation, either version 3 of the License, or
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 * (at your option) any later version.
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 * 
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 * Mandos is distributed in the hope that it will be useful, but
 
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 * Copyright © 2015 Teddy Hogeborn
 
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 * Copyright © 2015 Björn Påhlsson
 
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 * 
 
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 * This program is free software: you can redistribute it and/or
 
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 * modify it under the terms of the GNU General Public License as
 
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 * published by the Free Software Foundation, either version 3 of the
 
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 * License, or (at your option) any later version.
 
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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
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * General Public License for more details.
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 * 
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 * You should have received a copy of the GNU General Public License
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 * along with Mandos.  If not, see <http://www.gnu.org/licenses/>.
 
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 * along with this program.  If not, see
 
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 * <http://www.gnu.org/licenses/>.
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 * 
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 * Contact the authors at <mandos@recompile.se>.
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 */
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#define _GNU_SOURCE             /* asprintf(),
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                                   program_invocation_short_name */
 
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#include <iso646.h>             /* not, or, and */
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#include <stdbool.h>            /* bool, false, true */
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#include <stdio.h>              /* fprintf(), stderr, FILE, vfprintf */
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#include <errno.h>              /* program_invocation_short_name,
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                                   errno, perror(), EINVAL, ENOMEM */
 
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#include <stdio.h>              /* vfprintf(), stderr, stdout */
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#include <stdarg.h>             /* va_list, va_start */
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#include <stdlib.h>             /* EXIT_SUCCESS */
 
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#include <errno.h>              /* perror(), errno,
 
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                                   program_invocation_short_name */
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#include <argp.h>               /* struct argp_option, error_t, struct
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                                   argp_state, ARGP_KEY_ARG,
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                                   argp_usage(), ARGP_KEY_END,
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                                   ARGP_ERR_UNKNOWN, struct argp,
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                                   argp_parse() */
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#include <sysexits.h>           /* EX_USAGE, EX_OSERR */
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#include <netinet/ip.h>         /* sa_family_t, AF_INET6, AF_INET */
 
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                                   argp_state, struct argp,
 
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                                   argp_parse(), ARGP_KEY_ARG,
 
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                                   ARGP_KEY_END, ARGP_ERR_UNKNOWN */
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#include <inttypes.h>           /* PRIdMAX, intmax_t */
 
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#include <sysexits.h>           /* EX_OSERR */
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#include <netlink/netlink.h>    /* struct nl_addr, nl_addr_parse(),
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                                   nl_geterror(),
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                                   nl_addr_get_family(),
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                                   nl_addr_put() */
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#include <netlink/route/route.h> /* struct rtnl_route,
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                                    struct rtnl_nexthop,
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                                    rtnl_route_alloc(),
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                                    rtnl_route_set_family(),
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                                    rtnl_route_set_protocol(),
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                                    RTPROT_BOOT,
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                                    rtnl_route_set_scope(),
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                                    RT_SCOPE_LINK,
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                                    rtnl_route_set_type(),
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                                    RTN_UNICAST,
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                                    rtnl_route_set_dst(),
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                                    rtnl_route_set_table(),
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                                    RT_TABLE_MAIN,
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                                    rtnl_route_nh_alloc(),
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                                    rtnl_route_nh_set_ifindex(),
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                                    rtnl_route_add_nexthop(),
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                                    rtnl_route_add(),
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                                    rtnl_route_delete(),
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                                    rtnl_route_put(),
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                                    rtnl_route_nh_free() */
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#include <netlink/socket.h>     /* struct nl_sock, nl_socket_alloc(),
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                                   nl_connect(), nl_socket_free() */
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#include <netlink/route/link.h> /* rtnl_link_get_kernel(),
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                                   rtnl_link_get_ifindex(),
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                                   rtnl_link_put() */
 
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/* #include <linux/netlink.h> */
 
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/* #include <netlink/netlink.h> */
 
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/* #include <netlink/socket.h> */
 
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#include <netlink/netlink.h>
 
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#include <netlink/socket.h>
 
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#include <netlink/cache.h>
 
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#include <netlink/route/link.h>  /* libnl xxx */
 
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#include <netlink/route/route.h> /* libnl xxx */
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bool debug = false;
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const char *argp_program_version = "mandos-client-iprouteadddel " VERSION;
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  /* Create nexthop */
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  nexthop = rtnl_route_nh_alloc();
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  if(nexthop == NULL){
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    fprintf_plus(stderr, "Failed to get netlink route nexthop\n");
 
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    fprintf_plus(stderr, "Failed to get netlink route nexthop:\n");
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    exitcode = EX_OSERR;
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    goto end;
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  }