Files
qse/qse/lib/cmn/nwif.c
hyung-hwan a55545b8ae added qse_prefixtoip4ad()/qse_prefixtoip6ad().
added more code to qse_getnwifcfg(). 
renamed qse_ipad4_t and qse_ipad6_to to qse_ip4ad_t and qse_ip6ad_t respectively
2012-11-18 15:19:51 +00:00

554 lines
11 KiB
C

/*
* $Id$
*
Copyright 2006-2012 Chung, Hyung-Hwan.
This file is part of QSE.
QSE is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation, either version 3 of
the License, or (at your option) any later version.
QSE 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with QSE. If not, see <http://www.gnu.org/licenses/>.
*/
#include <qse/cmn/nwif.h>
#include <qse/cmn/str.h>
#include <qse/cmn/mbwc.h>
#include "mem.h"
#if defined(_WIN32)
/* TODO: */
#elif defined(__OS2__)
/* TODO: */
#elif defined(__DOS__)
/* TODO: */
#else
# include "syscall.h"
# include <sys/socket.h>
# if defined(HAVE_SYS_IOCTL_H)
# include <sys/ioctl.h>
# endif
# if defined(HAVE_NET_IF_H)
# include <net/if.h>
# endif
# if defined(HAVE_SYS_SOCKIO_H)
# include <sys/sockio.h>
# endif
# if !defined(IF_NAMESIZE)
# define IF_NAMESIZE 63
# endif
#endif
#if defined(_SCO_DS)
static int get_sco_ifconf (struct ifconf* ifc)
{
/* SCO doesn't have have any IFINDEX thing.
* i emultate it using IFCONF */
int h, num;
struct ifreq* ifr;
h = socket (AF_INET, SOCK_DGRAM, 0);
if (h <= -1) return -1;
ifc->ifc_len = 0;
ifc->ifc_buf = QSE_NULL;
#if defined(SIOCGIFANUM)
if (ioctl (h, SIOCGIFANUM, &num) <= -1) goto oops;
#else
if (ioctl (h, SIOCGIFNUM, &num) <= -1) goto oops;
#endif
/* sco needs reboot when you add an network interface.
* it should be safe not to consider the case when the interface
* is added after SIOCGIFANUM above.
* another thing to note is that SIOCGIFCONF ends with segfault
* if the buffer is not large enough unlike some other OSes
* like opensolaris which truncates the configuration. */
ifc->ifc_len = num * QSE_SIZEOF(*ifr);
ifc->ifc_buf = QSE_MMGR_ALLOC (QSE_MMGR_GETDFL(), ifc->ifc_len);
if (ifc->ifc_buf == QSE_NULL) goto oops;
if (ioctl (h, SIOCGIFCONF, ifc) <= -1) goto oops;
QSE_CLOSE (h); h = -1;
return 0;
oops:
if (ifc->ifc_buf) QSE_MMGR_FREE (QSE_MMGR_GETDFL(), ifc->ifc_buf);
if (h >= 0) QSE_CLOSE (h);
return -1;
}
static QSE_INLINE void free_sco_ifconf (struct ifconf* ifc)
{
QSE_MMGR_FREE (QSE_MMGR_GETDFL(), ifc->ifc_buf);
}
#endif
int qse_nwifmbstoindex (const qse_mchar_t* ptr, unsigned int* index)
{
#if defined(_WIN32)
/* TODO: */
return -1;
#elif defined(__OS2__)
/* TODO: */
return -1;
#elif defined(__DOS__)
/* TODO: */
return -1;
#elif defined(SIOCGIFINDEX)
int h, x;
qse_size_t len;
struct ifreq ifr;
h = socket (AF_INET, SOCK_DGRAM, 0);
if (h <= -1) return -1;
QSE_MEMSET (&ifr, 0, QSE_SIZEOF(ifr));
len = qse_mbsxcpy (ifr.ifr_name, QSE_COUNTOF(ifr.ifr_name), ptr);
if (ptr[len] != QSE_MT('\0')) return -1; /* name too long */
x = ioctl (h, SIOCGIFINDEX, &ifr);
QSE_CLOSE (h);
if (x >= 0)
{
#if defined(HAVE_STRUCT_IFREQ_IFR_IFINDEX)
*index = ifr.ifr_ifindex;
#else
*index = ifr.ifr_index;
#endif
}
return x;
#elif defined(HAVE_IF_NAMETOINDEX)
qse_mchar_t tmp[IF_NAMESIZE + 1];
qse_size_t len;
unsigned int tmpidx;
len = qse_mbsxcpy (tmp, QSE_COUNTOF(tmp), ptr);
if (ptr[len] != QSE_MT('\0')) return -1; /* name too long */
tmpidx = if_nametoindex (tmp);
if (tmpidx == 0) return -1;
*index = tmpidx;
return 0;
#elif defined(_SCO_DS)
struct ifconf ifc;
int num, i;
if (get_sco_ifconf (&ifc) <= -1) return -1;
num = ifc.ifc_len / QSE_SIZEOF(struct ifreq);
for (i = 0; i < num; i++)
{
if (qse_mbscmp (ptr, ifc.ifc_req[i].ifr_name) == 0)
{
free_sco_ifconf (&ifc);
*index = i + 1;
return 0;
}
}
free_sco_ifconf (&ifc);
return -1;
#else
return -1;
#endif
}
int qse_nwifmbsntoindex (const qse_mchar_t* ptr, qse_size_t len, unsigned int* index)
{
#if defined(_WIN32)
/* TODO: */
return -1;
#elif defined(__OS2__)
/* TODO: */
return -1;
#elif defined(__DOS__)
/* TODO: */
return -1;
#elif defined(SIOCGIFINDEX)
int h, x;
struct ifreq ifr;
h = socket (AF_INET, SOCK_DGRAM, 0);
if (h <= -1) return -1;
QSE_MEMSET (&ifr, 0, QSE_SIZEOF(ifr));
if (qse_mbsxncpy (ifr.ifr_name, QSE_COUNTOF(ifr.ifr_name), ptr, len) < len) return -1; /* name too long */
x = ioctl (h, SIOCGIFINDEX, &ifr);
QSE_CLOSE (h);
if (x >= 0)
{
#if defined(HAVE_STRUCT_IFREQ_IFR_IFINDEX)
*index = ifr.ifr_ifindex;
#else
*index = ifr.ifr_index;
#endif
}
return x;
#elif defined(HAVE_IF_NAMETOINDEX)
qse_mchar_t tmp[IF_NAMESIZE + 1];
unsigned int tmpidx;
if (qse_mbsxncpy (tmp, QSE_COUNTOF(tmp), ptr, len) < len) return -1;
tmpidx = if_nametoindex (tmp);
if (tmpidx == 0) return -1;
*index = tmpidx;
return 0;
#elif defined(_SCO_DS)
struct ifconf ifc;
int num, i;
if (get_sco_ifconf (&ifc) <= -1) return -1;
num = ifc.ifc_len / QSE_SIZEOF(struct ifreq);
for (i = 0; i < num; i++)
{
if (qse_mbsxcmp (ptr, len, ifc.ifc_req[i].ifr_name) == 0)
{
free_sco_ifconf (&ifc);
*index = i + 1;
return 0;
}
}
free_sco_ifconf (&ifc);
return -1;
#else
return -1;
#endif
}
int qse_nwifwcstoindex (const qse_wchar_t* ptr, unsigned int* index)
{
#if defined(_WIN32)
/* TODO: */
return -1;
#elif defined(__OS2__)
/* TODO: */
return -1;
#elif defined(__DOS__)
/* TODO: */
return -1;
#elif defined(SIOCGIFINDEX)
int h, x;
struct ifreq ifr;
qse_size_t wl, ml;
h = socket (AF_INET, SOCK_DGRAM, 0);
if (h <= -1) return -1;
ml = QSE_COUNTOF(ifr.ifr_name);
if (qse_wcstombs (ptr, &wl, ifr.ifr_name, &ml) <= -1) return -1;
x = ioctl (h, SIOCGIFINDEX, &ifr);
QSE_CLOSE (h);
if (x >= 0)
{
#if defined(HAVE_STRUCT_IFREQ_IFR_IFINDEX)
*index = ifr.ifr_ifindex;
#else
*index = ifr.ifr_index;
#endif
}
return x;
#elif defined(HAVE_IF_NAMETOINDEX)
qse_mchar_t tmp[IF_NAMESIZE + 1];
qse_size_t wl, ml;
unsigned int tmpidx;
ml = QSE_COUNTOF(tmp);
if (qse_wcstombs (ptr, &wl, tmp, &ml) <= -1) return -1;
tmpidx = if_nametoindex (tmp);
if (tmpidx == 0) return -1;
*index = tmpidx;
return 0;
#elif defined(SIOCGIFCONF) && (defined(SIOCGIFANUM) || defined(SIOCGIFNUM))
struct ifconf ifc;
int num, i;
qse_mchar_t tmp[IF_NAMESIZE + 1];
qse_size_t wl, ml;
ml = QSE_COUNTOF(tmp);
if (qse_wcstombs (ptr, &wl, tmp, &ml) <= -1) return -1;
if (get_sco_ifconf (&ifc) <= -1) return -1;
num = ifc.ifc_len / QSE_SIZEOF(struct ifreq);
for (i = 0; i < num; i++)
{
if (qse_mbscmp (tmp, ifc.ifc_req[i].ifr_name) == 0)
{
free_sco_ifconf (&ifc);
*index = i + 1;
return 0;
}
}
free_sco_ifconf (&ifc);
return -1;
#else
return -1;
#endif
}
int qse_nwifwcsntoindex (const qse_wchar_t* ptr, qse_size_t len, unsigned int* index)
{
#if defined(_WIN32)
/* TODO: */
return -1;
#elif defined(__OS2__)
/* TODO: */
return -1;
#elif defined(__DOS__)
/* TODO: */
return -1;
#elif defined(SIOCGIFINDEX)
int h, x;
struct ifreq ifr;
qse_size_t wl, ml;
h = socket (AF_INET, SOCK_DGRAM, 0);
if (h <= -1) return -1;
wl = len; ml = QSE_COUNTOF(ifr.ifr_name) - 1;
if (qse_wcsntombsn (ptr, &wl, ifr.ifr_name, &ml) <= -1) return -1;
ifr.ifr_name[ml] = QSE_MT('\0');
x = ioctl (h, SIOCGIFINDEX, &ifr);
QSE_CLOSE (h);
if (x >= 0)
{
#if defined(HAVE_STRUCT_IFREQ_IFR_IFINDEX)
*index = ifr.ifr_ifindex;
#else
*index = ifr.ifr_index;
#endif
}
return x;
#elif defined(HAVE_IF_NAMETOINDEX)
qse_mchar_t tmp[IF_NAMESIZE + 1];
qse_size_t wl, ml;
unsigned int tmpidx;
wl = len; ml = QSE_COUNTOF(tmp) - 1;
if (qse_wcsntombsn (ptr, &wl, tmp, &ml) <= -1) return -1;
tmp[ml] = QSE_MT('\0');
tmpidx = if_nametoindex (tmp);
if (tmpidx == 0) return -1;
*index = tmpidx;
return 0;
#elif defined(SIOCGIFCONF) && (defined(SIOCGIFANUM) || defined(SIOCGIFNUM))
struct ifconf ifc;
int num, i;
qse_mchar_t tmp[IF_NAMESIZE + 1];
qse_size_t wl, ml;
wl = len; ml = QSE_COUNTOF(tmp) - 1;
if (qse_wcsntombsn (ptr, &wl, tmp, &ml) <= -1) return -1;
tmp[ml] = QSE_MT('\0');
if (get_sco_ifconf (&ifc) <= -1) return -1;
num = ifc.ifc_len / QSE_SIZEOF(struct ifreq);
for (i = 0; i < num; i++)
{
if (qse_mbscmp (tmp, ifc.ifc_req[i].ifr_name) == 0)
{
free_sco_ifconf (&ifc);
*index = i + 1;
return 0;
}
}
free_sco_ifconf (&ifc);
return -1;
#else
return -1;
#endif
}
/* ---------------------------------------------------------- */
int qse_nwifindextombs (unsigned int index, qse_mchar_t* buf, qse_size_t len)
{
#if defined(_WIN32)
/* TODO: */
return -1;
#elif defined(__OS2__)
/* TODO: */
return -1;
#elif defined(__DOS__)
/* TODO: */
return -1;
#elif defined(SIOCGIFNAME)
int h, x;
struct ifreq ifr;
h = socket (AF_INET, SOCK_DGRAM, 0);
if (h <= -1) return -1;
QSE_MEMSET (&ifr, 0, QSE_SIZEOF(ifr));
#if defined(HAVE_STRUCT_IFREQ_IFR_IFINDEX)
ifr.ifr_ifindex = index;
#else
ifr.ifr_index = index;
#endif
x = ioctl (h, SIOCGIFNAME, &ifr);
QSE_CLOSE (h);
return (x <= -1)? -1: qse_mbsxcpy (buf, len, ifr.ifr_name);
#elif defined(HAVE_IF_INDEXTONAME)
qse_mchar_t tmp[IF_NAMESIZE + 1];
if (if_indextoname (index, tmp) == QSE_NULL) return -1;
return qse_mbsxcpy (buf, len, tmp);
#elif defined(SIOCGIFCONF) && (defined(SIOCGIFANUM) || defined(SIOCGIFNUM))
struct ifconf ifc;
qse_size_t ml;
int num;
if (index <= 0) return -1;
if (get_sco_ifconf (&ifc) <= -1) return -1;
num = ifc.ifc_len / QSE_SIZEOF(struct ifreq);
if (index > num)
{
free_sco_ifconf (&ifc);
return -1;
}
ml = qse_mbsxcpy (buf, len, ifc.ifc_req[index - 1].ifr_name);
free_sco_ifconf (&ifc);
return ml;
#else
return -1;
#endif
}
int qse_nwifindextowcs (unsigned int index, qse_wchar_t* buf, qse_size_t len)
{
#if defined(_WIN32)
/* TODO: */
return -1;
#elif defined(__OS2__)
/* TODO: */
return -1;
#elif defined(__DOS__)
/* TODO: */
return -1;
#elif defined(SIOCGIFNAME)
int h, x;
struct ifreq ifr;
qse_size_t wl, ml;
h = socket (AF_INET, SOCK_DGRAM, 0);
if (h <= -1) return -1;
QSE_MEMSET (&ifr, 0, QSE_SIZEOF(ifr));
#if defined(HAVE_STRUCT_IFREQ_IFR_IFINDEX)
ifr.ifr_ifindex = index;
#else
ifr.ifr_index = index;
#endif
x = ioctl (h, SIOCGIFNAME, &ifr);
QSE_CLOSE (h);
if (x <= -1) return -1;
wl = len;
x = qse_mbstowcs (ifr.ifr_name, &ml, buf, &wl);
if (x == -2 && wl > 1) buf[wl - 1] = QSE_WT('\0');
else if (x != 0) return -1;
return wl;
#elif defined(HAVE_IF_INDEXTONAME)
qse_mchar_t tmp[IF_NAMESIZE + 1];
qse_size_t ml, wl;
int x;
if (if_indextoname (index, tmp) == QSE_NULL) return -1;
wl = len;
x = qse_mbstowcs (tmp, &ml, buf, &wl);
if (x == -2 && wl > 1) buf[wl - 1] = QSE_WT('\0');
else if (x != 0) return -1;
return wl;
#elif defined(SIOCGIFCONF) && (defined(SIOCGIFANUM) || defined(SIOCGIFNUM))
struct ifconf ifc;
qse_size_t wl, ml;
int num, x;
if (index <= 0) return -1;
if (get_sco_ifconf (&ifc) <= -1) return -1;
num = ifc.ifc_len / QSE_SIZEOF(struct ifreq);
if (index > num)
{
free_sco_ifconf (&ifc);
return -1;
}
wl = len;
x = qse_mbstowcs (ifc.ifc_req[index - 1].ifr_name, &ml, buf, &wl);
free_sco_ifconf (&ifc);
if (x == -2 && wl > 1) buf[wl - 1] = QSE_WT('\0');
else if (x != 0) return -1;
return wl;
#else
return -1;
#endif
}