Latest patch from vodz:
-- reverse resolve network name and cache in route and ifconfig applets, fix print nslookup server name if compile without uClibc, fix route crashe 'route add', fix warnings compile networking and pwd_grp applets
This commit is contained in:
Eric Andersen
@@ -45,7 +45,7 @@ obj-y += ask_confirmation.o chomp.o concat_path_file.o copy_file.o \
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xgetcwd.o xreadlink.o xregcomp.o interface.o remove_file.o last_char_is.o \
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copyfd.o vherror_msg.o herror_msg.o herror_msg_and_die.o xgethostbyname.o \
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dirname.o make_directory.o create_icmp_socket.o u_signal_names.o arith.o \
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simplify_path.o $(LIBBB_MOBJS) $(LIBBB_AROBJS)
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simplify_path.o inet_common.o $(LIBBB_MOBJS) $(LIBBB_AROBJS)
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# Hand off to toplevel Rules.mak
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@@ -65,5 +65,3 @@ loop.h: mk_loop_h.sh
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clean:
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rm -f $(L_TARGET) *.o core
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@@ -15,7 +15,7 @@
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* that either displays or sets the characteristics of
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* one or more of the system's networking interfaces.
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*
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* Version: $Id: interface.c,v 1.6 2001/10/27 03:28:19 andersen Exp $
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* Version: $Id: interface.c,v 1.7 2001/11/10 11:22:46 andersen Exp $
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*
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* Author: Fred N. van Kempen, <waltje@uwalt.nl.mugnet.org>
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* and others. Copyright 1993 MicroWalt Corporation
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@@ -62,26 +62,17 @@
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#undef HAVE_HWSLIP
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#include <features.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/ioctl.h>
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#include <netinet/in.h>
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#include <net/if.h>
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#include <net/if_arp.h>
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#include "inet_common.h"
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#include <stdio.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <ctype.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <netdb.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#if 0
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#include <arpa/nameser.h>
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#endif
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#include <fcntl.h>
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#include <ctype.h>
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#include <sys/ioctl.h>
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#include <net/if.h>
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#include <net/if_arp.h>
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#include "libbb.h"
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#define _(x) x
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@@ -91,7 +82,6 @@
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static int procnetdev_vsn = 1;
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/* Ugh. But libc5 doesn't provide POSIX types. */
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#include <asm/types.h>
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@@ -124,15 +114,6 @@ struct in6_ifreq {
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#include "ipx.h"
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#endif
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#endif
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#if 0
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#include "net-support.h"
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#include "pathnames.h"
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#include "version.h"
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#include "../intl.h"
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#include "interface.h"
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#include "sockets.h"
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#include "util.h"
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#endif
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/* Defines for glibc2.0 users. */
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#ifndef SIOCSIFTXQLEN
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@@ -313,170 +294,6 @@ static struct aftype unix_aftype =
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#if HAVE_AFINET
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#if 0
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extern int h_errno; /* some netdb.h versions don't export this */
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#endif
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/* cache */
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struct addr {
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struct sockaddr_in addr;
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char *name;
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int host;
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struct addr *next;
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};
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static struct addr *INET_nn = NULL; /* addr-to-name cache */
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#ifdef KEEP_UNUSED
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static int INET_resolve(char *name, struct sockaddr_in *sin, int hostfirst)
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{
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struct hostent *hp;
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struct netent *np;
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/* Grmpf. -FvK */
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sin->sin_family = AF_INET;
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sin->sin_port = 0;
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/* Default is special, meaning 0.0.0.0. */
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if (!strcmp(name, "default")) {
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sin->sin_addr.s_addr = INADDR_ANY;
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return (1);
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}
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/* Look to see if it's a dotted quad. */
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if (inet_aton(name, &sin->sin_addr)) {
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return 0;
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}
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/* If we expect this to be a hostname, try hostname database first */
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#ifdef DEBUG
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if (hostfirst) fprintf (stderr, "gethostbyname (%s)\n", name);
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#endif
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if (hostfirst &&
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(hp = gethostbyname(name)) != (struct hostent *) NULL) {
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memcpy((char *) &sin->sin_addr, (char *) hp->h_addr_list[0],
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sizeof(struct in_addr));
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return 0;
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}
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/* Try the NETWORKS database to see if this is a known network. */
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#ifdef DEBUG
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fprintf (stderr, "getnetbyname (%s)\n", name);
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#endif
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if ((np = getnetbyname(name)) != (struct netent *) NULL) {
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sin->sin_addr.s_addr = htonl(np->n_net);
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return 1;
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}
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if (hostfirst) {
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/* Don't try again */
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errno = h_errno;
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return -1;
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}
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#ifdef DEBUG
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res_init();
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_res.options |= RES_DEBUG;
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#endif
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#ifdef DEBUG
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fprintf (stderr, "gethostbyname (%s)\n", name);
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#endif
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if ((hp = gethostbyname(name)) == (struct hostent *) NULL) {
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errno = h_errno;
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return -1;
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}
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memcpy((char *) &sin->sin_addr, (char *) hp->h_addr_list[0],
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sizeof(struct in_addr));
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return 0;
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}
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#endif /* KEEP_UNUSED */
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/* numeric: & 0x8000: default instead of *,
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* & 0x4000: host instead of net,
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* & 0x0fff: don't resolve
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*/
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static int INET_rresolve(char *name, size_t len, struct sockaddr_in *s_in,
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int numeric, unsigned int netmask)
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{
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struct hostent *ent;
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struct netent *np;
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struct addr *pn;
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unsigned long ad, host_ad;
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int host = 0;
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/* Grmpf. -FvK */
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if (s_in->sin_family != AF_INET) {
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#ifdef DEBUG
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fprintf(stderr, _("rresolve: unsupport address family %d !\n"), s_in->sin_family);
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#endif
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errno = EAFNOSUPPORT;
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return (-1);
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}
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ad = (unsigned long) s_in->sin_addr.s_addr;
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#ifdef DEBUG
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fprintf (stderr, "rresolve: %08lx, mask %08x, num %08x \n", ad, netmask, numeric);
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#endif
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if (ad == INADDR_ANY) {
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if ((numeric & 0x0FFF) == 0) {
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if (numeric & 0x8000)
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safe_strncpy(name, "default", len);
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else
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safe_strncpy(name, "*", len);
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return (0);
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}
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}
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if (numeric & 0x0FFF) {
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safe_strncpy(name, inet_ntoa(s_in->sin_addr), len);
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return (0);
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}
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if ((ad & (~netmask)) != 0 || (numeric & 0x4000))
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host = 1;
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#if 0
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INET_nn = NULL;
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#endif
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pn = INET_nn;
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while (pn != NULL) {
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if (pn->addr.sin_addr.s_addr == ad && pn->host == host) {
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safe_strncpy(name, pn->name, len);
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#ifdef DEBUG
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fprintf (stderr, "rresolve: found %s %08lx in cache\n", (host? "host": "net"), ad);
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#endif
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return (0);
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}
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pn = pn->next;
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}
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host_ad = ntohl(ad);
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np = NULL;
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ent = NULL;
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if (host) {
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#ifdef DEBUG
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fprintf (stderr, "gethostbyaddr (%08lx)\n", ad);
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#endif
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ent = gethostbyaddr((char *) &ad, 4, AF_INET);
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if (ent != NULL)
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safe_strncpy(name, ent->h_name, len);
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} else {
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#ifdef DEBUG
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fprintf (stderr, "getnetbyaddr (%08lx)\n", host_ad);
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#endif
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#if 0
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np = getnetbyaddr(host_ad, AF_INET);
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if (np != NULL)
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safe_strncpy(name, np->n_name, len);
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#endif
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}
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if ((ent == NULL) && (np == NULL))
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safe_strncpy(name, inet_ntoa(s_in->sin_addr), len);
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pn = (struct addr *) xmalloc(sizeof(struct addr));
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pn->addr = *s_in;
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pn->next = INET_nn;
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pn->host = host;
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pn->name = (char *) xmalloc(strlen(name) + 1);
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strcpy(pn->name, name);
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INET_nn = pn;
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return (0);
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}
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#ifdef KEEP_UNUSED
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static void INET_reserror(char *text)
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{
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