diff options
Diffstat (limited to 'sysdeps/linux/netinfo.c')
| -rw-r--r-- | sysdeps/linux/netinfo.c | 383 |
1 files changed, 0 insertions, 383 deletions
diff --git a/sysdeps/linux/netinfo.c b/sysdeps/linux/netinfo.c deleted file mode 100644 index e15e1319..00000000 --- a/sysdeps/linux/netinfo.c +++ /dev/null @@ -1,383 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 4 -*- */ - -/* $Id$ */ - -/* Copyright (C) 1998-99 Martin Baulig - This file is part of LibGTop 1.0. - - Contributed by Martin Baulig <martin@home-of-linux.org>, October 1998. - - LibGTop is free software; you can redistribute it and/or modify it - under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, - or (at your option) any later version. - - LibGTop 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 General Public License - for more details. - - You should have received a copy of the GNU General Public License - along with LibGTop; see the file COPYING. If not, write to the - Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. -*/ - -#include <glibtop.h> -#include <glibtop/error.h> -#include <glibtop/xmalloc.h> -#include <glibtop/netinfo.h> - -#include <sys/types.h> -#include <sys/socket.h> -#include <sys/ioctl.h> - -#include <sys/sysctl.h> - -#ifndef HAVE_AFINET -#define HAVE_AFINET 1 -#endif - -#ifndef HAVE_AFINET6 -#define HAVE_AFINET6 1 -#endif - -#ifdef HAVE_AFINET6 - -#define _PATH_PROCNET_IFINET6 "/proc/net/if_inet6" - -#define IPV6_ADDR_LOOPBACK 0x0010U -#define IPV6_ADDR_LINKLOCAL 0x0020U -#define IPV6_ADDR_SITELOCAL 0x0040U - -#define IPV6_ADDR_COMPATv4 0x0080U - -#endif /* HAVE_AFINET6 */ - -#if !defined (_LIBC) && defined (__GNU_LIBRARY__) && __GNU_LIBRARY__ > 1 -/* GNU LibC */ -#include <net/if.h> -#include <netinet/ip_icmp.h> -#include <netinet/in.h> -#include <netinet/ip.h> -#include <netinet/tcp.h> -#include <netinet/udp.h> -#include <net/if.h> -#else /* Libc 5 */ -#include <linux/if.h> -#include <linux/in.h> -#include <linux/ip.h> -#include <linux/icmp.h> -#include <linux/tcp.h> -#include <linux/udp.h> -#endif - -static const unsigned long _glibtop_sysdeps_netinfo = -(1L << GLIBTOP_NETINFO_TRANSPORT) + -(1L << GLIBTOP_NETINFO_IF_FLAGS) + -(1L << GLIBTOP_NETINFO_ADDRESS) + -(1L << GLIBTOP_NETINFO_SUBNET) + -(1L << GLIBTOP_NETINFO_MTU); - -/* Init function. */ - -int -glibtop_init_netinfo_s (glibtop *server) -{ - server->sysdeps.netinfo = _glibtop_sysdeps_netinfo; - - return 0; -} - -#ifdef HAVE_AFINET - -static int -_netinfo_ipv4 (glibtop *server, glibtop_netinfo *buf, - const char *interface, glibtop_ifaddr *address) -{ - int skfd; - - skfd = socket (AF_INET, SOCK_DGRAM, 0); - if (skfd) { - struct ifreq ifr; - unsigned flags; - - if (address) { - address->transport = GLIBTOP_TRANSPORT_IPV4; - address->flags |= (1L << GLIBTOP_IFADDR_TRANSPORT); - - buf->transport = GLIBTOP_TRANSPORT_IPV4; - buf->flags |= (1L << GLIBTOP_NETINFO_TRANSPORT); - } - - strcpy (ifr.ifr_name, interface); - if (!ioctl (skfd, SIOCGIFFLAGS, &ifr)) { - buf->flags |= (1L << GLIBTOP_NETINFO_IF_FLAGS); - flags = ifr.ifr_flags; - } else - flags = 0; - - if (flags & IFF_UP) - buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_UP); - - if (flags & IFF_BROADCAST) - buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_BROADCAST); - - if (flags & IFF_DEBUG) - buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_DEBUG); - - if (flags & IFF_LOOPBACK) - buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_LOOPBACK); - - if (flags & IFF_POINTOPOINT) - buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_POINTOPOINT); - - if (flags & IFF_RUNNING) - buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_RUNNING); - - if (flags & IFF_NOARP) - buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_NOARP); - - if (flags & IFF_PROMISC) - buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_PROMISC); - - if (flags & IFF_ALLMULTI) - buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_ALLMULTI); - - if (flags & IFF_MULTICAST) - buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_MULTICAST); - - if (address) { - strcpy (ifr.ifr_name, interface); - if (!ioctl (skfd, SIOCGIFADDR, &ifr)) { - struct sockaddr_in addr = - *(struct sockaddr_in *) &ifr.ifr_addr; - - address->addr_len = 4; - memcpy (&address->address, &addr.sin_addr.s_addr, 4); - - address->flags |= (1L << GLIBTOP_IFADDR_ADDRESS); - address->flags |= (1L << GLIBTOP_IFADDR_ADDR_LEN); - } - - strcpy (ifr.ifr_name, interface); - if (!ioctl (skfd, SIOCGIFNETMASK, &ifr)) { - struct sockaddr_in addr = - *(struct sockaddr_in *) &ifr.ifr_addr; - - memcpy (&address->subnet, &addr.sin_addr.s_addr, 4); - address->flags |= (1L << GLIBTOP_IFADDR_SUBNET); - } - } - - strcpy (ifr.ifr_name, interface); - if (!ioctl (skfd, SIOCGIFMTU, &ifr)) { - buf->mtu = ifr.ifr_mtu; - buf->flags |= (1L << GLIBTOP_NETINFO_MTU); - } - - close (skfd); - } - - return 0; -} - -#endif /* HAVE_AFINET */ - -#ifdef HAVE_AFINET6 - -static int -_parse_ipv6_address (const char *addr_string, u_int8_t *dest) -{ - int i; - - if (strlen (addr_string) != 32) - return -1; - - for (i = 0; i < 16; i++) { - char c1, c2; - int d1, d2; - - c1 = tolower (addr_string [(i<<1)]); - c2 = tolower (addr_string [(i<<1)+1]); - - if ((c1 >= '0') && (c1 <= '9')) - d1 = c1-'0'; - else if ((c1 >= 'a') && (c1 <= 'f')) - d1 = c1-'a'+10; - else - return -1; - - if ((c2 >= '0') && (c2 <= '9')) - d2 = c2-'0'; - else if ((c2 >= 'a') && (c2 <= 'f')) - d2 = c2-'a'+10; - else - return -1; - - dest [i] = (d1 << 4) + d2; - } - - return 0; -} - -static int -_netinfo_ipv6 (glibtop *server, glibtop_netinfo *buf, - const char *interface, GPtrArray *parray) -{ - FILE *f; - char addr6[40], devname[20]; - int plen, scope, dad_status, if_idx; - -#ifdef HAVE_AFINET6 - /* get common things such as mtu and if_flags */ - _netinfo_ipv4 (server, buf, interface, NULL); -#endif - - buf->transport = GLIBTOP_TRANSPORT_IPV6; - buf->flags |= (1L << GLIBTOP_NETINFO_TRANSPORT); - - f = fopen (_PATH_PROCNET_IFINET6, "r"); - - if (f != NULL) { - while (fscanf (f, "%64s %02x %02x %02x %02x %20s\n", - addr6, &if_idx, &plen, &scope, &dad_status, - devname) != EOF) { - glibtop_ifaddr address; - - memset (&address, 0, sizeof (glibtop_ifaddr)); - - if (strcmp (devname, interface)) - continue; - - if (!_parse_ipv6_address (addr6, address.address)) - address.flags |= (1L << GLIBTOP_IFADDR_ADDRESS); - - address.transport = GLIBTOP_TRANSPORT_IPV6; - address.subnet = plen; - - switch (scope) { - case 0: - address.scope = GLIBTOP_IPV6_SCOPE_GLOBAL; - break; - case IPV6_ADDR_LINKLOCAL: - address.scope = GLIBTOP_IPV6_SCOPE_LINKLOCAL; - break; - case IPV6_ADDR_SITELOCAL: - address.scope = GLIBTOP_IPV6_SCOPE_SITELOCAL; - break; - case IPV6_ADDR_COMPATv4: - address.scope = GLIBTOP_IPV6_SCOPE_COMPATv4; - break; - case IPV6_ADDR_LOOPBACK: - address.scope = GLIBTOP_IPV6_SCOPE_LOOPBACK; - break; - default: - address.scope = GLIBTOP_IPV6_SCOPE_UNKNOWN; - break; - } - - address.addr_len = 8; - - address.flags |= (1L << GLIBTOP_IFADDR_TRANSPORT) | - (1L << GLIBTOP_IFADDR_ADDR_LEN) | - (1L << GLIBTOP_IFADDR_SUBNET) | - (1L << GLIBTOP_IFADDR_SCOPE); - - g_ptr_array_add (parray, g_memdup (&address, sizeof (address))); - } - } - - fclose (f); - - return 0; -} - -#endif /* HAVE_AFINET6 */ - -/* Provides network statistics. */ - -glibtop_ifaddr * -glibtop_get_netinfo_s (glibtop *server, glibtop_array *array, - glibtop_netinfo *buf, const char *interface, - u_int64_t transport) -{ - GPtrArray *parray; - glibtop_ifaddr *retval = NULL; - int i; - - memset (buf, 0, sizeof (glibtop_netinfo)); - - if (strlen (interface) >= GLIBTOP_INTERFACE_LEN) - return NULL; - - /* Assume IPv4 is the standard until IPv6 becomes more popular. */ - if (transport == GLIBTOP_TRANSPORT_DEFAULT) - transport = GLIBTOP_TRANSPORT_ALL; - - /* Get information about all possible transport methods. */ - if (transport == GLIBTOP_TRANSPORT_ALL) { - char buffer [BUFSIZ]; - struct stat statb; - - /* We may get a little speed improvement when we use sysctl () - * directly, but the following piece of code seems very stable - * and reliable to me. - * - * The first stat() on "/proc/sys/net" is done to find out whether - * the kernel has sysctl support. - * - * January 23, 1999 - * Martin - */ - - if (!stat ("/proc/sys/net", &statb) && S_ISDIR (statb.st_mode)) { - buf->flags |= (1L << GLIBTOP_NETINFO_TRANSPORT); - - sprintf (buffer, "/proc/sys/net/ipv4/conf/%s", interface); - if (!stat (buffer, &statb) && S_ISDIR (statb.st_mode)) - buf->transport |= GLIBTOP_TRANSPORT_IPV4; - - sprintf (buffer, "/proc/sys/net/ipv6/conf/%s", interface); - if (!stat (buffer, &statb) && S_ISDIR (statb.st_mode)) - buf->transport |= GLIBTOP_TRANSPORT_IPV6; - } - } - - parray = g_ptr_array_new (); - -#ifdef HAVE_AFINET - if (transport & GLIBTOP_TRANSPORT_IPV4) { - glibtop_ifaddr address; - - memset (&address, 0, sizeof (glibtop_ifaddr)); - - _netinfo_ipv4 (server, buf, interface, &address); - if (address.flags & (1L << GLIBTOP_IFADDR_ADDRESS)) - g_ptr_array_add (parray, g_memdup (&address, sizeof (address))); - } -#endif /* HAVE_AFINET */ - -#ifdef HAVE_AFINET6 - if (transport & GLIBTOP_TRANSPORT_IPV6) - _netinfo_ipv6 (server, buf, interface, parray); -#endif /* HAVE_AFINET6 */ - - if (!parray->len) { - g_ptr_array_free (parray, TRUE); - return NULL; - } - - retval = glibtop_calloc_r (server, parray->len, sizeof (glibtop_ifaddr)); - - for (i = 0; i < parray->len; i++) - retval [i] = *(glibtop_ifaddr *) parray->pdata [i]; - - array->number = parray->len; - array->size = sizeof (glibtop_ifaddr); - array->total = array->number * array->size; - - g_ptr_array_free (parray, TRUE); - - return retval; -} |