659 lines
15 KiB
C
659 lines
15 KiB
C
/*
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Copyright (c) 2006-2020 Chung, Hyung-Hwan. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "hawk-prv.h"
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#if defined(_WIN32)
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/* TODO: */
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#elif defined(__OS2__)
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/* TODO: */
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#elif defined(__DOS__)
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/* TODO: */
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#else
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# if !defined(_GNU_SOURCE)
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# define _GNU_SOURCE
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# endif
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# include "syscall.h"
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# include <sys/socket.h>
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# if defined(HAVE_SYS_IOCTL_H)
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# include <sys/ioctl.h>
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# endif
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# if defined(HAVE_NET_IF_H)
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# include <net/if.h>
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# endif
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# if defined(HAVE_SYS_SOCKIO_H)
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# include <sys/sockio.h>
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# endif
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# if !defined(IF_NAMESIZE)
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# define IF_NAMESIZE 63
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# endif
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#endif
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#if defined(SIOCGIFCONF) && (defined(SIOCGIFANUM) || defined(SIOCGIFNUM))
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static int get_sco_ifconf (hawk_gem_t* gem, struct ifconf* ifc)
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{
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/* SCO doesn't have have any IFINDEX thing.
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* i emultate it using IFCONF */
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int h, num;
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struct ifreq* ifr;
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h = socket(AF_INET, SOCK_DGRAM, 0);
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if (h <= -1)
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{
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hawk_gem_seterrnum (gem, HAWK_NULL, hawk_syserr_to_errnum(errno));
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return -1;
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}
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ifc->ifc_len = 0;
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ifc->ifc_buf = HAWK_NULL;
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#if defined(SIOCGIFANUM)
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if (ioctl(h, SIOCGIFANUM, &num) <= -1)
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{
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hawk_gem_seterrnum (gem, HAWK_NULL, hawk_syserr_to_errnum(errno));
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goto oops;
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}
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#else
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if (ioctl(h, SIOCGIFNUM, &num) <= -1)
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{
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hawk_gem_seterrnum (gem, HAWK_NULL, hawk_syserr_to_errnum(errno));
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goto oops;
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}
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#endif
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/* sco needs reboot when you add an network interface.
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* it should be safe not to consider the case when the interface
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* is added after SIOCGIFANUM above.
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* another thing to note is that SIOCGIFCONF ends with segfault
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* if the buffer is not large enough unlike some other OSes
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* like opensolaris which truncates the configuration. */
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ifc->ifc_len = num * HAWK_SIZEOF(*ifr);
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ifc->ifc_buf = hawk_gem_allocmem(gem, ifc->ifc_len);
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if (ifc->ifc_buf == HAWK_NULL) goto oops;
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if (ioctl(h, SIOCGIFCONF, ifc) <= -1)
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{
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hawk_gem_seterrnum (gem, HAWK_NULL, hawk_syserr_to_errnum(errno));
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goto oops;
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}
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HAWK_CLOSE (h); h = -1;
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return 0;
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oops:
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if (ifc->ifc_buf) hawk_gem_freemem (gem, ifc->ifc_buf);
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if (h >= 0) HAWK_CLOSE (h);
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return -1;
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}
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static HAWK_INLINE void free_sco_ifconf (hawk_gem_t* gem, struct ifconf* ifc)
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{
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hawk_gem_freemem (gem, ifc->ifc_buf);
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}
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#endif
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int hawk_gem_bcstrtoifindex (hawk_gem_t* gem, const hawk_bch_t* ptr, unsigned int* index)
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{
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#if defined(_WIN32)
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/* TODO: */
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hawk_gem_seterrnum (gem, HAWK_NULL, HAWK_ENOIMPL);
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return -1;
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#elif defined(__OS2__)
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/* TODO: */
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hawk_gem_seterrnum (gem, HAWK_NULL, HAWK_ENOIMPL);
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return -1;
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#elif defined(__DOS__)
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/* TODO: */
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hawk_gem_seterrnum (gem, HAWK_NULL, HAWK_ENOIMPL);
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return -1;
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#elif defined(SIOCGIFINDEX)
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int h, x;
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hawk_oow_t len;
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struct ifreq ifr;
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h = socket(AF_INET, SOCK_DGRAM, 0);
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if (h <= -1)
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{
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hawk_gem_seterrnum (gem, HAWK_NULL, hawk_syserr_to_errnum(errno));
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return -1;
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}
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HAWK_MEMSET (&ifr, 0, HAWK_SIZEOF(ifr));
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len = hawk_copy_bcstr(ifr.ifr_name, HAWK_COUNTOF(ifr.ifr_name), ptr);
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if (ptr[len] != '\0')
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{
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HAWK_CLOSE (h);
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return -1; /* name too long */
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}
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x = ioctl(h, SIOCGIFINDEX, &ifr);
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HAWK_CLOSE (h);
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if (x >= 0)
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{
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#if defined(HAVE_STRUCT_IFREQ_IFR_IFINDEX) || defined(ifr_ifindex)
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*index = ifr.ifr_ifindex;
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#else
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*index = ifr.ifr_index;
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#endif
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}
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return x;
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#elif defined(HAVE_IF_NAMETOINDEX)
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hawk_bch_t tmp[IF_NAMESIZE + 1];
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hawk_oow_t len;
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unsigned int tmpidx;
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len = hawk_copy_bcstr(tmp, HAWK_COUNTOF(tmp), ptr);
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if (ptr[len] != '\0') return -1; /* name too long */
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tmpidx = if_nametoindex(tmp);
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if (tmpidx == 0)
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{
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hawk_gem_seterrnum (gem, HAWK_NULL, hawk_syserr_to_errnum(errno));
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return -1;
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}
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*index = tmpidx;
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return 0;
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#elif defined(SIOCGIFCONF) && (defined(SIOCGIFANUM) || defined(SIOCGIFNUM))
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struct ifconf ifc;
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int num, i;
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if (get_sco_ifconf(gem, &ifc) <= -1) return -1;
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num = ifc.ifc_len / HAWK_SIZEOF(struct ifreq);
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for (i = 0; i < num; i++)
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{
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if (hawk_comp_bcstr(ptr, ifc.ifc_req[i].ifr_name, 0) == 0)
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{
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free_sco_ifconf (gem, &ifc);
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*index = i + 1;
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return 0;
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}
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}
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free_sco_ifconf (gem, &ifc);
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return -1;
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#else
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return -1;
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#endif
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}
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int hawk_gem_bcharstoifindex (hawk_gem_t* gem, const hawk_bch_t* ptr, hawk_oow_t len, unsigned int* index)
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{
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#if defined(_WIN32)
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/* TODO: */
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hawk_gem_seterrnum (gem, HAWK_NULL, HAWK_ENOIMPL);
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return -1;
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#elif defined(__OS2__)
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/* TODO: */
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hawk_gem_seterrnum (gem, HAWK_NULL, HAWK_ENOIMPL);
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return -1;
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#elif defined(__DOS__)
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/* TODO: */
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hawk_gem_seterrnum (gem, HAWK_NULL, HAWK_ENOIMPL);
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return -1;
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#elif defined(SIOCGIFINDEX)
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int h, x;
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struct ifreq ifr;
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h = socket(AF_INET, SOCK_DGRAM, 0);
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if (h <= -1)
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{
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hawk_gem_seterrnum (gem, HAWK_NULL, hawk_syserr_to_errnum(errno));
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return -1;
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}
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HAWK_MEMSET (&ifr, 0, HAWK_SIZEOF(ifr));
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if (hawk_copy_bchars_to_bcstr(ifr.ifr_name, HAWK_COUNTOF(ifr.ifr_name), ptr, len) < len)
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{
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HAWK_CLOSE (h);
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return -1; /* name too long */
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}
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x = ioctl(h, SIOCGIFINDEX, &ifr);
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HAWK_CLOSE (h);
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if (x >= 0)
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{
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#if defined(HAVE_STRUCT_IFREQ_IFR_IFINDEX) || defined(ifr_ifindex)
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*index = ifr.ifr_ifindex;
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#else
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*index = ifr.ifr_index;
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#endif
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}
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return x;
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#elif defined(HAVE_IF_NAMETOINDEX)
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hawk_bch_t tmp[IF_NAMESIZE + 1];
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unsigned int tmpidx;
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if (hawk_copy_bchars_to_bcstr(tmp, HAWK_COUNTOF(tmp), ptr, len) < len) return -1;
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tmpidx = if_nametoindex(tmp);
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if (tmpidx == 0)
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{
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hawk_gem_seterrnum (gem, HAWK_NULL, hawk_syserr_to_errnum(errno));
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return -1;
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}
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*index = tmpidx;
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return 0;
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#elif defined(SIOCGIFCONF) && (defined(SIOCGIFANUM) || defined(SIOCGIFNUM))
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struct ifconf ifc;
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int num, i;
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if (get_sco_ifconf(gem, &ifc) <= -1) return -1;
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num = ifc.ifc_len / HAWK_SIZEOF(struct ifreq);
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for (i = 0; i < num; i++)
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{
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if (hawk_comp_bchars_bcstr(ptr, len, ifc.ifc_req[i].ifr_name, 0) == 0)
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{
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free_sco_ifconf (gem, &ifc);
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*index = i + 1;
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return 0;
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}
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}
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free_sco_ifconf (gem, &ifc);
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return -1;
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#else
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return -1;
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#endif
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}
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int hawk_gem_ucstrtoifindex (hawk_gem_t* gem, const hawk_uch_t* ptr, unsigned int* index)
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{
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#if defined(_WIN32)
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/* TODO: */
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hawk_gem_seterrnum (gem, HAWK_NULL, HAWK_ENOIMPL);
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return -1;
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#elif defined(__OS2__)
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/* TODO: */
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hawk_gem_seterrnum (gem, HAWK_NULL, HAWK_ENOIMPL);
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return -1;
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#elif defined(__DOS__)
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/* TODO: */
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hawk_gem_seterrnum (gem, HAWK_NULL, HAWK_ENOIMPL);
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return -1;
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#elif defined(SIOCGIFINDEX)
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int h, x;
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struct ifreq ifr;
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hawk_oow_t wl, ml;
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h = socket(AF_INET, SOCK_DGRAM, 0);
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if (h <= -1)
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{
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hawk_gem_seterrnum (gem, HAWK_NULL, hawk_syserr_to_errnum(errno));
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return -1;
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}
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ml = HAWK_COUNTOF(ifr.ifr_name);
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if (hawk_gem_convutobcstr(gem, ptr, &wl, ifr.ifr_name, &ml) <= -1) return -1;
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x = ioctl(h, SIOCGIFINDEX, &ifr);
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HAWK_CLOSE (h);
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if (x >= 0)
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{
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#if defined(HAVE_STRUCT_IFREQ_IFR_IFINDEX) || defined(ifr_ifindex)
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*index = ifr.ifr_ifindex;
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#else
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*index = ifr.ifr_index;
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#endif
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}
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return x;
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#elif defined(HAVE_IF_NAMETOINDEX)
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hawk_bch_t tmp[IF_NAMESIZE + 1];
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hawk_oow_t wl, ml;
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unsigned int tmpidx;
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ml = HAWK_COUNTOF(tmp);
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if (hawk_gem_convutobcstr(gem, ptr, &wl, tmp, &ml) <= -1) return -1;
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tmpidx = if_nametoindex(tmp);
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if (tmpidx == 0)
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{
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hawk_gem_seterrnum (gem, HAWK_NULL, hawk_syserr_to_errnum(errno));
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return -1;
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}
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*index = tmpidx;
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return 0;
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#elif defined(SIOCGIFCONF) && (defined(SIOCGIFANUM) || defined(SIOCGIFNUM))
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struct ifconf ifc;
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int num, i;
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hawk_bch_t tmp[IF_NAMESIZE + 1];
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hawk_oow_t wl, ml;
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ml = HAWK_COUNTOF(tmp);
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if (hawk_gem_convutobcstr(gem, ptr, &wl, tmp, &ml) <= -1) return -1;
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if (get_sco_ifconf(gem, &ifc) <= -1) return -1;
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num = ifc.ifc_len / HAWK_SIZEOF(struct ifreq);
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for (i = 0; i < num; i++)
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{
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if (hawk_comp_bcstr(tmp, ifc.ifc_req[i].ifr_name, 0) == 0)
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{
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free_sco_ifconf (gem, &ifc);
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*index = i + 1;
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return 0;
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}
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}
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free_sco_ifconf (gem, &ifc);
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return -1;
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#else
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return -1;
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#endif
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}
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int hawk_gem_ucharstoifindex (hawk_gem_t* gem, const hawk_uch_t* ptr, hawk_oow_t len, unsigned int* index)
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{
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#if defined(_WIN32)
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/* TODO: */
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hawk_gem_seterrnum (gem, HAWK_NULL, HAWK_ENOIMPL);
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return -1;
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#elif defined(__OS2__)
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/* TODO: */
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hawk_gem_seterrnum (gem, HAWK_NULL, HAWK_ENOIMPL);
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return -1;
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#elif defined(__DOS__)
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/* TODO: */
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hawk_gem_seterrnum (gem, HAWK_NULL, HAWK_ENOIMPL);
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return -1;
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#elif defined(SIOCGIFINDEX)
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int h, x;
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struct ifreq ifr;
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hawk_oow_t wl, ml;
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h = socket(AF_INET, SOCK_DGRAM, 0);
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if (h <= -1)
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{
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hawk_gem_seterrnum (gem, HAWK_NULL, hawk_syserr_to_errnum(errno));
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return -1;
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}
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wl = len; ml = HAWK_COUNTOF(ifr.ifr_name) - 1;
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if (hawk_gem_convutobchars(gem, ptr, &wl, ifr.ifr_name, &ml) <= -1) return -1;
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ifr.ifr_name[ml] = '\0';
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x = ioctl(h, SIOCGIFINDEX, &ifr);
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HAWK_CLOSE (h);
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if (x >= 0)
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{
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#if defined(HAVE_STRUCT_IFREQ_IFR_IFINDEX) || defined(ifr_ifindex)
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*index = ifr.ifr_ifindex;
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#else
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*index = ifr.ifr_index;
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#endif
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}
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return x;
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#elif defined(HAVE_IF_NAMETOINDEX)
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hawk_bch_t tmp[IF_NAMESIZE + 1];
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hawk_oow_t wl, ml;
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unsigned int tmpidx;
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wl = len; ml = HAWK_COUNTOF(tmp) - 1;
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if (hawk_gem_convutobchars(gem, ptr, &wl, tmp, &ml) <= -1) return -1;
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tmp[ml] = '\0';
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tmpidx = if_nametoindex(tmp);
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if (tmpidx == 0)
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{
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hawk_gem_seterrnum (gem, HAWK_NULL, hawk_syserr_to_errnum(errno));
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return -1;
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}
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*index = tmpidx;
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return 0;
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#elif defined(SIOCGIFCONF) && (defined(SIOCGIFANUM) || defined(SIOCGIFNUM))
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struct ifconf ifc;
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int num, i;
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hawk_bch_t tmp[IF_NAMESIZE + 1];
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hawk_oow_t wl, ml;
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wl = len; ml = HAWK_COUNTOF(tmp) - 1;
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if (hawk_gem_convutobchars(gem, ptr, &wl, tmp, &ml) <= -1) return -1;
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tmp[ml] = '\0';
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if (get_sco_ifconf(gem, &ifc) <= -1) return -1;
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num = ifc.ifc_len / HAWK_SIZEOF(struct ifreq);
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for (i = 0; i < num; i++)
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{
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if (hawk_comp_bcstr(gem, tmp, ifc.ifc_req[i].ifr_name) == 0)
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{
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free_sco_ifconf (gem, &ifc);
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*index = i + 1;
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return 0;
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}
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}
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free_sco_ifconf (gem, &ifc);
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return -1;
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#else
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return -1;
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#endif
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}
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/* ---------------------------------------------------------- */
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int hawk_gem_ifindextobcstr (hawk_gem_t* gem, unsigned int index, hawk_bch_t* buf, hawk_oow_t len)
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{
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#if defined(_WIN32)
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/* TODO: */
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hawk_gem_seterrnum (gem, HAWK_NULL, HAWK_ENOIMPL);
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return -1;
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#elif defined(__OS2__)
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/* TODO: */
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hawk_gem_seterrnum (gem, HAWK_NULL, HAWK_ENOIMPL);
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return -1;
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#elif defined(__DOS__)
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/* TODO: */
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hawk_gem_seterrnum (gem, HAWK_NULL, HAWK_ENOIMPL);
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return -1;
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#elif defined(SIOCGIFNAME)
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|
|
int h, x;
|
|
struct ifreq ifr;
|
|
|
|
h = socket(AF_INET, SOCK_DGRAM, 0);
|
|
if (h <= -1)
|
|
{
|
|
hawk_gem_seterrnum (gem, HAWK_NULL, hawk_syserr_to_errnum(errno));
|
|
return -1;
|
|
}
|
|
|
|
HAWK_MEMSET (&ifr, 0, HAWK_SIZEOF(ifr));
|
|
#if defined(HAVE_STRUCT_IFREQ_IFR_IFINDEX) || defined(ifr_ifindex)
|
|
ifr.ifr_ifindex = index;
|
|
#else
|
|
ifr.ifr_index = index;
|
|
#endif
|
|
|
|
x = ioctl(h, SIOCGIFNAME, &ifr);
|
|
HAWK_CLOSE (h);
|
|
|
|
if (x <= -1)
|
|
{
|
|
hawk_gem_seterrnum (gem, HAWK_NULL, hawk_syserr_to_errnum(errno));
|
|
return -1;
|
|
}
|
|
|
|
return hawk_copy_bcstr(buf, len, ifr.ifr_name);
|
|
|
|
#elif defined(HAVE_IF_INDEXTONAME)
|
|
hawk_bch_t tmp[IF_NAMESIZE + 1];
|
|
if (if_indextoname (index, tmp) == HAWK_NULL)
|
|
{
|
|
hawk_gem_seterrnum (gem, HAWK_NULL, hawk_syserr_to_errnum(errno));
|
|
return -1;
|
|
}
|
|
return hawk_copy_bcstr(buf, len, tmp);
|
|
|
|
#elif defined(SIOCGIFCONF) && (defined(SIOCGIFANUM) || defined(SIOCGIFNUM))
|
|
|
|
struct ifconf ifc;
|
|
hawk_oow_t ml;
|
|
int num;
|
|
|
|
if (index <= 0) return -1;
|
|
if (get_sco_ifconf(gem, &ifc) <= -1) return -1;
|
|
|
|
num = ifc.ifc_len / HAWK_SIZEOF(struct ifreq);
|
|
if (index > num)
|
|
{
|
|
hawk_gem_seterrnum (gem, HAWK_NULL, HAWK_ENOENT);
|
|
free_sco_ifconf (gem, &ifc);
|
|
return -1;
|
|
}
|
|
|
|
ml = hawk_copy_bcstr(buf, len, ifc.ifc_req[index - 1].ifr_name);
|
|
free_sco_ifconf (gem, &ifc);
|
|
return ml;
|
|
|
|
#else
|
|
return -1;
|
|
#endif
|
|
}
|
|
|
|
int hawk_gem_ifindextoucstr (hawk_gem_t* gem, unsigned int index, hawk_uch_t* buf, hawk_oow_t len)
|
|
{
|
|
#if defined(_WIN32)
|
|
/* TODO: */
|
|
hawk_gem_seterrnum (gem, HAWK_NULL, HAWK_ENOIMPL);
|
|
return -1;
|
|
#elif defined(__OS2__)
|
|
/* TODO: */
|
|
hawk_gem_seterrnum (gem, HAWK_NULL, HAWK_ENOIMPL);
|
|
return -1;
|
|
#elif defined(__DOS__)
|
|
/* TODO: */
|
|
hawk_gem_seterrnum (gem, HAWK_NULL, HAWK_ENOIMPL);
|
|
return -1;
|
|
|
|
#elif defined(SIOCGIFNAME)
|
|
|
|
int h, x;
|
|
struct ifreq ifr;
|
|
hawk_oow_t wl, ml;
|
|
|
|
h = socket(AF_INET, SOCK_DGRAM, 0);
|
|
if (h <= -1)
|
|
{
|
|
hawk_gem_seterrnum (gem, HAWK_NULL, hawk_syserr_to_errnum(errno));
|
|
return -1;
|
|
}
|
|
|
|
HAWK_MEMSET (&ifr, 0, HAWK_SIZEOF(ifr));
|
|
#if defined(HAVE_STRUCT_IFREQ_IFR_IFINDEX) || defined(ifr_ifindex)
|
|
ifr.ifr_ifindex = index;
|
|
#else
|
|
ifr.ifr_index = index;
|
|
#endif
|
|
|
|
x = ioctl(h, SIOCGIFNAME, &ifr);
|
|
HAWK_CLOSE (h);
|
|
|
|
if (x <= -1)
|
|
{
|
|
hawk_gem_seterrnum (gem, HAWK_NULL, hawk_syserr_to_errnum(errno));
|
|
return -1;
|
|
}
|
|
|
|
wl = len;
|
|
x = hawk_gem_convbtoucstr(gem, ifr.ifr_name, &ml, buf, &wl, 0);
|
|
if (x == -2 && wl > 1) buf[wl - 1] = '\0';
|
|
else if (x != 0) return -1;
|
|
return wl;
|
|
|
|
#elif defined(HAVE_IF_INDEXTONAME)
|
|
hawk_bch_t tmp[IF_NAMESIZE + 1];
|
|
hawk_oow_t ml, wl;
|
|
int x;
|
|
|
|
if (if_indextoname(index, tmp) == HAWK_NULL)
|
|
{
|
|
hawk_gem_seterrnum (gem, HAWK_NULL, hawk_syserr_to_errnum(errno));
|
|
return -1;
|
|
}
|
|
wl = len;
|
|
x = hawk_gem_convbtoucstr(gem, tmp, &ml, buf, &wl, 0);
|
|
if (x == -2 && wl > 1) buf[wl - 1] = '\0';
|
|
else if (x != 0) return -1;
|
|
return wl;
|
|
|
|
#elif defined(SIOCGIFCONF) && (defined(SIOCGIFANUM) || defined(SIOCGIFNUM))
|
|
|
|
struct ifconf ifc;
|
|
hawk_oow_t wl, ml;
|
|
int num, x;
|
|
|
|
if (index <= 0) return -1;
|
|
if (get_sco_ifconf(gem, &ifc) <= -1) return -1;
|
|
|
|
num = ifc.ifc_len / HAWK_SIZEOF(struct ifreq);
|
|
if (index > num)
|
|
{
|
|
free_sco_ifconf (gem, &ifc);
|
|
return -1;
|
|
}
|
|
|
|
wl = len;
|
|
x = hawk_gem_convbtoucstr(gem, ifc.ifc_req[index - 1].ifr_name, &ml, buf, &wl, 0);
|
|
free_sco_ifconf (gem, &ifc);
|
|
|
|
if (x == -2 && wl > 1) buf[wl - 1] = '\0';
|
|
else if (x != 0) return -1;
|
|
|
|
return wl;
|
|
#else
|
|
return -1;
|
|
#endif
|
|
}
|
|
|