/* vi: set sw=4 ts=4: */
/*
- * iproute.c "ip route".
- *
- * Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
- *
- * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
*
+ * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
*
* Changes:
*
- * Rani Assaf <rani@magic.metawire.com> 980929: resolve addresses
+ * Rani Assaf <rani@magic.metawire.com> 980929: resolve addresses
* Kunihiro Ishiguro <kunihiro@zebra.org> 001102: rtnh_ifindex was not initialized
*/
-#include "ip_common.h" /* #include "libbb.h" is inside */
+#include "ip_common.h" /* #include "libbb.h" is inside */
#include "rt_names.h"
#include "utils.h"
#endif
-typedef struct filter_t {
+struct filter_t {
int tb;
- int flushed;
+ smallint flushed;
char *flushb;
int flushp;
int flushe;
struct rtnl_handle *rth;
- int protocol, protocolmask;
- int scope, scopemask;
- int type, typemask;
- int tos, tosmask;
- int iif, iifmask;
- int oif, oifmask;
- int realm, realmmask;
- inet_prefix rprefsrc;
+ //int protocol, protocolmask; - write-only fields?!
+ //int scope, scopemask; - unused
+ //int type; - read-only
+ //int typemask; - unused
+ //int tos, tosmask; - unused
+ int iif;
+ int oif;
+ //int realm, realmmask; - unused
+ //inet_prefix rprefsrc; - read-only
inet_prefix rvia;
inet_prefix rdst;
inet_prefix mdst;
inet_prefix rsrc;
inet_prefix msrc;
-} filter_t;
+} FIX_ALIASING;
+typedef struct filter_t filter_t;
-#define filter (*(filter_t*)&bb_common_bufsiz1)
+#define G_filter (*(filter_t*)&bb_common_bufsiz1)
static int flush_update(void)
{
- if (rtnl_send(filter.rth, filter.flushb, filter.flushp) < 0) {
- bb_perror_msg("failed to send flush request");
+ if (rtnl_send(G_filter.rth, G_filter.flushb, G_filter.flushp) < 0) {
+ bb_perror_msg("can't send flush request");
return -1;
}
- filter.flushp = 0;
+ G_filter.flushp = 0;
return 0;
}
if (hz_internal)
return hz_internal;
- fp = fopen("/proc/net/psched", "r");
+ fp = fopen_for_read("/proc/net/psched");
if (fp) {
unsigned nom, denom;
return hz_internal;
}
-static int print_route(struct sockaddr_nl *who ATTRIBUTE_UNUSED,
- struct nlmsghdr *n, void *arg)
+static int FAST_FUNC print_route(const struct sockaddr_nl *who UNUSED_PARAM,
+ struct nlmsghdr *n, void *arg UNUSED_PARAM)
{
- FILE *fp = (FILE*)arg;
struct rtmsg *r = NLMSG_DATA(n);
int len = n->nlmsg_len;
- struct rtattr * tb[RTA_MAX+1];
+ struct rtattr *tb[RTA_MAX+1];
char abuf[256];
inet_prefix dst;
inet_prefix src;
int host_len = -1;
SPRINT_BUF(b1);
-
if (n->nlmsg_type != RTM_NEWROUTE && n->nlmsg_type != RTM_DELROUTE) {
fprintf(stderr, "Not a route: %08x %08x %08x\n",
n->nlmsg_len, n->nlmsg_type, n->nlmsg_flags);
return 0;
}
- if (filter.flushb && n->nlmsg_type != RTM_NEWROUTE)
+ if (G_filter.flushb && n->nlmsg_type != RTM_NEWROUTE)
return 0;
len -= NLMSG_LENGTH(sizeof(*r));
if (len < 0)
host_len = 32;
if (r->rtm_family == AF_INET6) {
- if (filter.tb) {
- if (filter.tb < 0) {
- if (!(r->rtm_flags&RTM_F_CLONED)) {
+ if (G_filter.tb) {
+ if (G_filter.tb < 0) {
+ if (!(r->rtm_flags & RTM_F_CLONED)) {
return 0;
}
} else {
- if (r->rtm_flags&RTM_F_CLONED) {
+ if (r->rtm_flags & RTM_F_CLONED) {
return 0;
}
- if (filter.tb == RT_TABLE_LOCAL) {
+ if (G_filter.tb == RT_TABLE_LOCAL) {
if (r->rtm_type != RTN_LOCAL) {
return 0;
}
- } else if (filter.tb == RT_TABLE_MAIN) {
+ } else if (G_filter.tb == RT_TABLE_MAIN) {
if (r->rtm_type == RTN_LOCAL) {
return 0;
}
}
}
} else {
- if (filter.tb > 0 && filter.tb != r->rtm_table) {
+ if (G_filter.tb > 0 && G_filter.tb != r->rtm_table) {
return 0;
}
}
- if (filter.rdst.family &&
- (r->rtm_family != filter.rdst.family || filter.rdst.bitlen > r->rtm_dst_len)) {
+ if (G_filter.rdst.family
+ && (r->rtm_family != G_filter.rdst.family || G_filter.rdst.bitlen > r->rtm_dst_len)
+ ) {
return 0;
}
- if (filter.mdst.family &&
- (r->rtm_family != filter.mdst.family ||
- (filter.mdst.bitlen >= 0 && filter.mdst.bitlen < r->rtm_dst_len))) {
+ if (G_filter.mdst.family
+ && (r->rtm_family != G_filter.mdst.family
+ || (G_filter.mdst.bitlen >= 0 && G_filter.mdst.bitlen < r->rtm_dst_len)
+ )
+ ) {
return 0;
}
- if (filter.rsrc.family &&
- (r->rtm_family != filter.rsrc.family || filter.rsrc.bitlen > r->rtm_src_len)) {
+ if (G_filter.rsrc.family
+ && (r->rtm_family != G_filter.rsrc.family || G_filter.rsrc.bitlen > r->rtm_src_len)
+ ) {
return 0;
}
- if (filter.msrc.family &&
- (r->rtm_family != filter.msrc.family ||
- (filter.msrc.bitlen >= 0 && filter.msrc.bitlen < r->rtm_src_len))) {
+ if (G_filter.msrc.family
+ && (r->rtm_family != G_filter.msrc.family
+ || (G_filter.msrc.bitlen >= 0 && G_filter.msrc.bitlen < r->rtm_src_len)
+ )
+ ) {
return 0;
}
memset(tb, 0, sizeof(tb));
+ memset(&src, 0, sizeof(src));
+ memset(&dst, 0, sizeof(dst));
parse_rtattr(tb, RTA_MAX, RTM_RTA(r), len);
- if (filter.rdst.family && inet_addr_match(&dst, &filter.rdst, filter.rdst.bitlen))
- return 0;
- if (filter.mdst.family && filter.mdst.bitlen >= 0 &&
- inet_addr_match(&dst, &filter.mdst, r->rtm_dst_len))
- return 0;
+ if (tb[RTA_SRC]) {
+ src.bitlen = r->rtm_src_len;
+ src.bytelen = (r->rtm_family == AF_INET6 ? 16 : 4);
+ memcpy(src.data, RTA_DATA(tb[RTA_SRC]), src.bytelen);
+ }
+ if (tb[RTA_DST]) {
+ dst.bitlen = r->rtm_dst_len;
+ dst.bytelen = (r->rtm_family == AF_INET6 ? 16 : 4);
+ memcpy(dst.data, RTA_DATA(tb[RTA_DST]), dst.bytelen);
+ }
- if (filter.rsrc.family && inet_addr_match(&src, &filter.rsrc, filter.rsrc.bitlen))
+ if (G_filter.rdst.family
+ && inet_addr_match(&dst, &G_filter.rdst, G_filter.rdst.bitlen)
+ ) {
+ return 0;
+ }
+ if (G_filter.mdst.family
+ && G_filter.mdst.bitlen >= 0
+ && inet_addr_match(&dst, &G_filter.mdst, r->rtm_dst_len)
+ ) {
return 0;
- if (filter.msrc.family && filter.msrc.bitlen >= 0 &&
- inet_addr_match(&src, &filter.msrc, r->rtm_src_len))
+ }
+ if (G_filter.rsrc.family
+ && inet_addr_match(&src, &G_filter.rsrc, G_filter.rsrc.bitlen)
+ ) {
return 0;
-
- if (filter.flushb &&
- r->rtm_family == AF_INET6 &&
- r->rtm_dst_len == 0 &&
- r->rtm_type == RTN_UNREACHABLE &&
- tb[RTA_PRIORITY] &&
- *(int*)RTA_DATA(tb[RTA_PRIORITY]) == -1)
+ }
+ if (G_filter.msrc.family && G_filter.msrc.bitlen >= 0
+ && inet_addr_match(&src, &G_filter.msrc, r->rtm_src_len)
+ ) {
return 0;
+ }
+ if (G_filter.oif != 0) {
+ if (!tb[RTA_OIF])
+ return 0;
+ if (G_filter.oif != *(int*)RTA_DATA(tb[RTA_OIF]))
+ return 0;
+ }
- if (filter.flushb) {
+ if (G_filter.flushb) {
struct nlmsghdr *fn;
- if (NLMSG_ALIGN(filter.flushp) + n->nlmsg_len > filter.flushe) {
+
+ /* We are creating route flush commands */
+
+ if (r->rtm_family == AF_INET6
+ && r->rtm_dst_len == 0
+ && r->rtm_type == RTN_UNREACHABLE
+ && tb[RTA_PRIORITY]
+ && *(int*)RTA_DATA(tb[RTA_PRIORITY]) == -1
+ ) {
+ return 0;
+ }
+
+ if (NLMSG_ALIGN(G_filter.flushp) + n->nlmsg_len > G_filter.flushe) {
if (flush_update())
bb_error_msg_and_die("flush");
}
- fn = (struct nlmsghdr*)(filter.flushb + NLMSG_ALIGN(filter.flushp));
+ fn = (void*)(G_filter.flushb + NLMSG_ALIGN(G_filter.flushp));
memcpy(fn, n, n->nlmsg_len);
fn->nlmsg_type = RTM_DELROUTE;
fn->nlmsg_flags = NLM_F_REQUEST;
- fn->nlmsg_seq = ++filter.rth->seq;
- filter.flushp = (((char*)fn) + n->nlmsg_len) - filter.flushb;
- filter.flushed++;
+ fn->nlmsg_seq = ++G_filter.rth->seq;
+ G_filter.flushp = (((char*)fn) + n->nlmsg_len) - G_filter.flushb;
+ G_filter.flushed = 1;
return 0;
}
+ /* We are printing routes */
+
if (n->nlmsg_type == RTM_DELROUTE) {
- fprintf(fp, "Deleted ");
+ printf("Deleted ");
}
- if (r->rtm_type != RTN_UNICAST && !filter.type) {
- fprintf(fp, "%s ", rtnl_rtntype_n2a(r->rtm_type, b1, sizeof(b1)));
+ if (r->rtm_type != RTN_UNICAST /* && !G_filter.type - always 0 */) {
+ printf("%s ", rtnl_rtntype_n2a(r->rtm_type, b1));
}
if (tb[RTA_DST]) {
if (r->rtm_dst_len != host_len) {
- fprintf(fp, "%s/%u ", rt_addr_n2a(r->rtm_family,
- RTA_PAYLOAD(tb[RTA_DST]),
- RTA_DATA(tb[RTA_DST]),
- abuf, sizeof(abuf)),
- r->rtm_dst_len
- );
+ printf("%s/%u ", rt_addr_n2a(r->rtm_family,
+ RTA_DATA(tb[RTA_DST]),
+ abuf, sizeof(abuf)),
+ r->rtm_dst_len
+ );
} else {
- fprintf(fp, "%s ", format_host(r->rtm_family,
- RTA_PAYLOAD(tb[RTA_DST]),
- RTA_DATA(tb[RTA_DST]),
- abuf, sizeof(abuf))
- );
+ printf("%s ", format_host(r->rtm_family,
+ RTA_PAYLOAD(tb[RTA_DST]),
+ RTA_DATA(tb[RTA_DST]),
+ abuf, sizeof(abuf))
+ );
}
} else if (r->rtm_dst_len) {
- fprintf(fp, "0/%d ", r->rtm_dst_len);
+ printf("0/%d ", r->rtm_dst_len);
} else {
- fprintf(fp, "default ");
+ printf("default ");
}
if (tb[RTA_SRC]) {
if (r->rtm_src_len != host_len) {
- fprintf(fp, "from %s/%u ", rt_addr_n2a(r->rtm_family,
- RTA_PAYLOAD(tb[RTA_SRC]),
- RTA_DATA(tb[RTA_SRC]),
- abuf, sizeof(abuf)),
- r->rtm_src_len
- );
+ printf("from %s/%u ", rt_addr_n2a(r->rtm_family,
+ RTA_DATA(tb[RTA_SRC]),
+ abuf, sizeof(abuf)),
+ r->rtm_src_len
+ );
} else {
- fprintf(fp, "from %s ", format_host(r->rtm_family,
- RTA_PAYLOAD(tb[RTA_SRC]),
- RTA_DATA(tb[RTA_SRC]),
- abuf, sizeof(abuf))
- );
+ printf("from %s ", format_host(r->rtm_family,
+ RTA_PAYLOAD(tb[RTA_SRC]),
+ RTA_DATA(tb[RTA_SRC]),
+ abuf, sizeof(abuf))
+ );
}
} else if (r->rtm_src_len) {
- fprintf(fp, "from 0/%u ", r->rtm_src_len);
+ printf("from 0/%u ", r->rtm_src_len);
}
- if (tb[RTA_GATEWAY] && filter.rvia.bitlen != host_len) {
- fprintf(fp, "via %s ",
- format_host(r->rtm_family,
- RTA_PAYLOAD(tb[RTA_GATEWAY]),
- RTA_DATA(tb[RTA_GATEWAY]),
- abuf, sizeof(abuf)));
+ if (tb[RTA_GATEWAY] && G_filter.rvia.bitlen != host_len) {
+ printf("via %s ", format_host(r->rtm_family,
+ RTA_PAYLOAD(tb[RTA_GATEWAY]),
+ RTA_DATA(tb[RTA_GATEWAY]),
+ abuf, sizeof(abuf)));
}
- if (tb[RTA_OIF] && filter.oifmask != -1) {
- fprintf(fp, "dev %s ", ll_index_to_name(*(int*)RTA_DATA(tb[RTA_OIF])));
+ if (tb[RTA_OIF]) {
+ printf("dev %s ", ll_index_to_name(*(int*)RTA_DATA(tb[RTA_OIF])));
}
- if (tb[RTA_PREFSRC] && filter.rprefsrc.bitlen != host_len) {
+ /* Todo: parse & show "proto kernel", "scope link" here */
+
+ if (tb[RTA_PREFSRC] && /*G_filter.rprefsrc.bitlen - always 0*/ 0 != host_len) {
/* Do not use format_host(). It is our local addr
and symbolic name will not be useful.
*/
- fprintf(fp, " src %s ",
- rt_addr_n2a(r->rtm_family,
- RTA_PAYLOAD(tb[RTA_PREFSRC]),
- RTA_DATA(tb[RTA_PREFSRC]),
- abuf, sizeof(abuf)));
+ printf(" src %s ", rt_addr_n2a(r->rtm_family,
+ RTA_DATA(tb[RTA_PREFSRC]),
+ abuf, sizeof(abuf)));
}
if (tb[RTA_PRIORITY]) {
- fprintf(fp, " metric %d ", *(uint32_t*)RTA_DATA(tb[RTA_PRIORITY]));
+ printf(" metric %d ", *(uint32_t*)RTA_DATA(tb[RTA_PRIORITY]));
}
if (r->rtm_family == AF_INET6) {
struct rta_cacheinfo *ci = NULL;
}
if ((r->rtm_flags & RTM_F_CLONED) || (ci && ci->rta_expires)) {
if (r->rtm_flags & RTM_F_CLONED) {
- fprintf(fp, "%c cache ", _SL_);
+ printf("%c cache ", _SL_);
}
if (ci->rta_expires) {
- fprintf(fp, " expires %dsec", ci->rta_expires / get_hz());
+ printf(" expires %dsec", ci->rta_expires / get_hz());
}
if (ci->rta_error != 0) {
- fprintf(fp, " error %d", ci->rta_error);
+ printf(" error %d", ci->rta_error);
}
} else if (ci) {
if (ci->rta_error != 0)
- fprintf(fp, " error %d", ci->rta_error);
+ printf(" error %d", ci->rta_error);
}
}
- if (tb[RTA_IIF] && filter.iifmask != -1) {
- fprintf(fp, " iif %s", ll_index_to_name(*(int*)RTA_DATA(tb[RTA_IIF])));
+ if (tb[RTA_IIF] && G_filter.iif == 0) {
+ printf(" iif %s", ll_index_to_name(*(int*)RTA_DATA(tb[RTA_IIF])));
}
- fputc('\n', fp);
- fflush(fp);
+ bb_putchar('\n');
return 0;
}
/* Return value becomes exitcode. It's okay to not return at all */
-static int iproute_modify(int cmd, unsigned flags, int argc, char **argv)
+static int iproute_modify(int cmd, unsigned flags, char **argv)
{
static const char keywords[] ALIGN1 =
- "src\0""via\0""mtu\0""lock\0""protocol\0"USE_FEATURE_IP_RULE("table\0")
- "dev\0""oif\0""to\0";
+ "src\0""via\0""mtu\0""lock\0""protocol\0"IF_FEATURE_IP_RULE("table\0")
+ "dev\0""oif\0""to\0""metric\0";
enum {
ARG_src,
ARG_via,
ARG_mtu, PARM_lock,
ARG_protocol,
-USE_FEATURE_IP_RULE(ARG_table,)
+IF_FEATURE_IP_RULE(ARG_table,)
ARG_dev,
ARG_oif,
- ARG_to
+ ARG_to,
+ ARG_metric,
};
enum {
gw_ok = 1 << 0,
};
struct rtnl_handle rth;
struct {
- struct nlmsghdr n;
- struct rtmsg r;
- char buf[1024];
+ struct nlmsghdr n;
+ struct rtmsg r;
+ char buf[1024];
} req;
char mxbuf[256];
struct rtattr * mxrta = (void*)mxbuf;
memset(&req, 0, sizeof(req));
req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct rtmsg));
- req.n.nlmsg_flags = NLM_F_REQUEST|flags;
+ req.n.nlmsg_flags = NLM_F_REQUEST | flags;
req.n.nlmsg_type = cmd;
req.r.rtm_family = preferred_family;
- req.r.rtm_table = RT_TABLE_MAIN;
- req.r.rtm_scope = RT_SCOPE_NOWHERE;
+ if (RT_TABLE_MAIN) /* if it is zero, memset already did it */
+ req.r.rtm_table = RT_TABLE_MAIN;
+ if (RT_SCOPE_NOWHERE)
+ req.r.rtm_scope = RT_SCOPE_NOWHERE;
if (cmd != RTM_DELROUTE) {
req.r.rtm_protocol = RTPROT_BOOT;
mxrta->rta_type = RTA_METRICS;
mxrta->rta_len = RTA_LENGTH(0);
- while (argc > 0) {
+ while (*argv) {
arg = index_in_substrings(keywords, *argv);
if (arg == ARG_src) {
inet_prefix addr;
unsigned mtu;
NEXT_ARG();
if (index_in_strings(keywords, *argv) == PARM_lock) {
- mxlock |= (1<<RTAX_MTU);
+ mxlock |= (1 << RTAX_MTU);
NEXT_ARG();
}
- if (get_unsigned(&mtu, *argv, 0))
- invarg(*argv, "mtu");
+ mtu = get_unsigned(*argv, "mtu");
rta_addattr32(mxrta, sizeof(mxbuf), RTAX_MTU, mtu);
} else if (arg == ARG_protocol) {
uint32_t prot;
} else if (arg == ARG_dev || arg == ARG_oif) {
NEXT_ARG();
d = *argv;
+ } else if (arg == ARG_metric) {
+ uint32_t metric;
+ NEXT_ARG();
+ metric = get_u32(*argv, "metric");
+ addattr32(&req.n, sizeof(req), RTA_PRIORITY, metric);
} else {
int type;
inet_prefix dst;
NEXT_ARG();
}
if ((**argv < '0' || **argv > '9')
- && rtnl_rtntype_a2n(&type, *argv) == 0) {
+ && rtnl_rtntype_a2n(&type, *argv) == 0
+ ) {
NEXT_ARG();
req.r.rtm_type = type;
ok |= type_ok;
addattr_l(&req.n, sizeof(req), RTA_DST, &dst.data, dst.bytelen);
}
}
- argc--; argv++;
+ argv++;
}
xrtnl_open(&rth);
if (req.r.rtm_type == RTN_LOCAL || req.r.rtm_type == RTN_NAT)
req.r.rtm_scope = RT_SCOPE_HOST;
- else if (req.r.rtm_type == RTN_BROADCAST ||
- req.r.rtm_type == RTN_MULTICAST ||
- req.r.rtm_type == RTN_ANYCAST)
+ else
+ if (req.r.rtm_type == RTN_BROADCAST
+ || req.r.rtm_type == RTN_MULTICAST
+ || req.r.rtm_type == RTN_ANYCAST
+ ) {
req.r.rtm_scope = RT_SCOPE_LINK;
+ }
else if (req.r.rtm_type == RTN_UNICAST || req.r.rtm_type == RTN_UNSPEC) {
if (cmd == RTM_DELROUTE)
req.r.rtm_scope = RT_SCOPE_NOWHERE;
nladdr.nl_family = AF_NETLINK;
req.nlh.nlmsg_len = sizeof(req);
- req.nlh.nlmsg_type = RTM_GETROUTE;
- req.nlh.nlmsg_flags = NLM_F_ROOT|NLM_F_REQUEST;
- req.nlh.nlmsg_pid = 0;
+ if (RTM_GETROUTE)
+ req.nlh.nlmsg_type = RTM_GETROUTE;
+ if (NLM_F_ROOT | NLM_F_REQUEST)
+ req.nlh.nlmsg_flags = NLM_F_ROOT | NLM_F_REQUEST;
+ /*req.nlh.nlmsg_pid = 0; - memset did it already */
req.nlh.nlmsg_seq = rth->dump = ++rth->seq;
req.rtm.rtm_family = family;
- req.rtm.rtm_flags |= RTM_F_CLONED;
+ if (RTM_F_CLONED)
+ req.rtm.rtm_flags = RTM_F_CLONED;
return xsendto(rth->fd, (void*)&req, sizeof(req), (struct sockaddr*)&nladdr, sizeof(nladdr));
}
}
if (write(flush_fd, "-1", 2) < 2) {
- bb_perror_msg("cannot flush routing cache");
+ bb_perror_msg("can't flush routing cache");
return;
}
close(flush_fd);
static void iproute_reset_filter(void)
{
- memset(&filter, 0, sizeof(filter));
- filter.mdst.bitlen = -1;
- filter.msrc.bitlen = -1;
+ memset(&G_filter, 0, sizeof(G_filter));
+ G_filter.mdst.bitlen = -1;
+ G_filter.msrc.bitlen = -1;
}
/* Return value becomes exitcode. It's okay to not return at all */
-static int iproute_list_or_flush(int argc, char **argv, int flush)
+static int iproute_list_or_flush(char **argv, int flush)
{
int do_ipv6 = preferred_family;
struct rtnl_handle rth;
char *id = NULL;
char *od = NULL;
static const char keywords[] ALIGN1 =
- "protocol\0""all\0""dev\0""oif\0""iif\0""via\0""table\0""cache\0" /*all*/
- "from\0""root\0""match\0""exact\0""to\0"/*root match exact*/;
+ /* "ip route list/flush" parameters: */
+ "protocol\0" "dev\0" "oif\0" "iif\0"
+ "via\0" "table\0" "cache\0"
+ "from\0" "to\0"
+ /* and possible further keywords */
+ "all\0"
+ "root\0"
+ "match\0"
+ "exact\0"
+ "main\0"
+ ;
enum {
- ARG_proto, PARM_all,
- ARG_dev,
- ARG_oif,
- ARG_iif,
- ARG_via,
- ARG_table, PARM_cache, /*PARM_all,*/
- ARG_from, PARM_root, PARM_match, PARM_exact,
- ARG_to /*PARM_root, PARM_match, PARM_exact*/
+ KW_proto, KW_dev, KW_oif, KW_iif,
+ KW_via, KW_table, KW_cache,
+ KW_from, KW_to,
+ /* */
+ KW_all,
+ KW_root,
+ KW_match,
+ KW_exact,
+ KW_main,
};
int arg, parm;
+
iproute_reset_filter();
- filter.tb = RT_TABLE_MAIN;
+ G_filter.tb = RT_TABLE_MAIN;
- if (flush && argc <= 0)
+ if (flush && !*argv)
bb_error_msg_and_die(bb_msg_requires_arg, "\"ip route flush\"");
- while (argc > 0) {
+ while (*argv) {
arg = index_in_substrings(keywords, *argv);
- if (arg == ARG_proto) {
+ if (arg == KW_proto) {
uint32_t prot = 0;
NEXT_ARG();
- filter.protocolmask = -1;
+ //G_filter.protocolmask = -1;
if (rtnl_rtprot_a2n(&prot, *argv)) {
- if (index_in_strings(keywords, *argv) != PARM_all)
+ if (index_in_strings(keywords, *argv) != KW_all)
invarg(*argv, "protocol");
prot = 0;
- filter.protocolmask = 0;
+ //G_filter.protocolmask = 0;
}
- filter.protocol = prot;
- } else if (arg == ARG_dev || arg == ARG_oif) {
+ //G_filter.protocol = prot;
+ } else if (arg == KW_dev || arg == KW_oif) {
NEXT_ARG();
od = *argv;
- } else if (arg == ARG_iif) {
+ } else if (arg == KW_iif) {
NEXT_ARG();
id = *argv;
- } else if (arg == ARG_via) {
+ } else if (arg == KW_via) {
NEXT_ARG();
- get_prefix(&filter.rvia, *argv, do_ipv6);
- } else if (arg == ARG_table) {
+ get_prefix(&G_filter.rvia, *argv, do_ipv6);
+ } else if (arg == KW_table) { /* table all/cache/main */
NEXT_ARG();
parm = index_in_substrings(keywords, *argv);
- if (parm == PARM_cache)
- filter.tb = -1;
- else if (parm == PARM_all)
- filter.tb = 0;
- else
+ if (parm == KW_cache)
+ G_filter.tb = -1;
+ else if (parm == KW_all)
+ G_filter.tb = 0;
+ else if (parm != KW_main) {
+#if ENABLE_FEATURE_IP_RULE
+ uint32_t tid;
+ if (rtnl_rttable_a2n(&tid, *argv))
+ invarg(*argv, "table");
+ G_filter.tb = tid;
+#else
invarg(*argv, "table");
- } else if (arg == ARG_from) {
+#endif
+ }
+ } else if (arg == KW_cache) {
+ /* The command 'ip route flush cache' is used by OpenSWAN.
+ * Assuming it's a synonym for 'ip route flush table cache' */
+ G_filter.tb = -1;
+ } else if (arg == KW_from) {
NEXT_ARG();
parm = index_in_substrings(keywords, *argv);
- if (parm == PARM_root) {
+ if (parm == KW_root) {
NEXT_ARG();
- get_prefix(&filter.rsrc, *argv, do_ipv6);
- } else if (parm == PARM_match) {
+ get_prefix(&G_filter.rsrc, *argv, do_ipv6);
+ } else if (parm == KW_match) {
NEXT_ARG();
- get_prefix(&filter.msrc, *argv, do_ipv6);
+ get_prefix(&G_filter.msrc, *argv, do_ipv6);
} else {
- if (parm == PARM_exact)
+ if (parm == KW_exact)
NEXT_ARG();
- get_prefix(&filter.msrc, *argv, do_ipv6);
- filter.rsrc = filter.msrc;
+ get_prefix(&G_filter.msrc, *argv, do_ipv6);
+ G_filter.rsrc = G_filter.msrc;
}
- } else {
- /* parm = arg; // would be more plausible, we reuse arg here */
- if (arg == ARG_to) {
+ } else { /* "to" is the default parameter */
+ if (arg == KW_to) {
NEXT_ARG();
arg = index_in_substrings(keywords, *argv);
}
- if (arg == PARM_root) {
+ /* parm = arg; - would be more plausible, but we reuse 'arg' here */
+ if (arg == KW_root) {
NEXT_ARG();
- get_prefix(&filter.rdst, *argv, do_ipv6);
- } else if (arg == PARM_match) {
+ get_prefix(&G_filter.rdst, *argv, do_ipv6);
+ } else if (arg == KW_match) {
NEXT_ARG();
- get_prefix(&filter.mdst, *argv, do_ipv6);
- } else {
- if (arg == PARM_exact)
+ get_prefix(&G_filter.mdst, *argv, do_ipv6);
+ } else { /* "to exact" is the default */
+ if (arg == KW_exact)
NEXT_ARG();
- get_prefix(&filter.mdst, *argv, do_ipv6);
- filter.rdst = filter.mdst;
+ get_prefix(&G_filter.mdst, *argv, do_ipv6);
+ G_filter.rdst = G_filter.mdst;
}
}
- argc--;
argv++;
}
- if (do_ipv6 == AF_UNSPEC && filter.tb) {
+ if (do_ipv6 == AF_UNSPEC && G_filter.tb) {
do_ipv6 = AF_INET;
}
xrtnl_open(&rth);
-
ll_init_map(&rth);
if (id || od) {
if (id) {
idx = xll_name_to_index(id);
- filter.iif = idx;
- filter.iifmask = -1;
+ G_filter.iif = idx;
}
if (od) {
idx = xll_name_to_index(od);
- filter.oif = idx;
- filter.oifmask = -1;
+ G_filter.oif = idx;
}
}
if (flush) {
char flushb[4096-512];
- if (filter.tb == -1) {
+ if (G_filter.tb == -1) { /* "flush table cache" */
if (do_ipv6 != AF_INET6)
iproute_flush_cache();
if (do_ipv6 == AF_INET)
return 0;
}
- filter.flushb = flushb;
- filter.flushp = 0;
- filter.flushe = sizeof(flushb);
- filter.rth = &rth;
+ G_filter.flushb = flushb;
+ G_filter.flushp = 0;
+ G_filter.flushe = sizeof(flushb);
+ G_filter.rth = &rth;
for (;;) {
xrtnl_wilddump_request(&rth, do_ipv6, RTM_GETROUTE);
- filter.flushed = 0;
- xrtnl_dump_filter(&rth, print_route, stdout);
- if (filter.flushed == 0)
+ G_filter.flushed = 0;
+ xrtnl_dump_filter(&rth, print_route, NULL);
+ if (G_filter.flushed == 0)
return 0;
if (flush_update())
return 1;
}
}
- if (filter.tb != -1) {
+ if (G_filter.tb != -1) {
xrtnl_wilddump_request(&rth, do_ipv6, RTM_GETROUTE);
} else if (rtnl_rtcache_request(&rth, do_ipv6) < 0) {
- bb_perror_msg_and_die("cannot send dump request");
+ bb_perror_msg_and_die("can't send dump request");
}
- xrtnl_dump_filter(&rth, print_route, stdout);
+ xrtnl_dump_filter(&rth, print_route, NULL);
return 0;
}
/* Return value becomes exitcode. It's okay to not return at all */
-static int iproute_get(int argc, char **argv)
+static int iproute_get(char **argv)
{
struct rtnl_handle rth;
struct {
iproute_reset_filter();
req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct rtmsg));
- req.n.nlmsg_flags = NLM_F_REQUEST;
- req.n.nlmsg_type = RTM_GETROUTE;
+ if (NLM_F_REQUEST)
+ req.n.nlmsg_flags = NLM_F_REQUEST;
+ if (RTM_GETROUTE)
+ req.n.nlmsg_type = RTM_GETROUTE;
req.r.rtm_family = preferred_family;
- req.r.rtm_table = 0;
- req.r.rtm_protocol = 0;
- req.r.rtm_scope = 0;
- req.r.rtm_type = 0;
- req.r.rtm_src_len = 0;
- req.r.rtm_dst_len = 0;
- req.r.rtm_tos = 0;
-
- while (argc > 0) {
+ /*req.r.rtm_table = 0; - memset did this already */
+ /*req.r.rtm_protocol = 0;*/
+ /*req.r.rtm_scope = 0;*/
+ /*req.r.rtm_type = 0;*/
+ /*req.r.rtm_src_len = 0;*/
+ /*req.r.rtm_dst_len = 0;*/
+ /*req.r.rtm_tos = 0;*/
+
+ while (*argv) {
switch (index_in_strings(options, *argv)) {
case 0: /* from */
{
}
req.r.rtm_dst_len = addr.bitlen;
}
- argc--; argv++;
}
+ argv++;
}
if (req.r.rtm_dst_len == 0) {
int len = req.n.nlmsg_len;
struct rtattr * tb[RTA_MAX+1];
- print_route(NULL, &req.n, (void*)stdout);
+ print_route(NULL, &req.n, NULL);
if (req.n.nlmsg_type != RTM_NEWROUTE) {
bb_error_msg_and_die("not a route?");
tb[RTA_PREFSRC]->rta_type = RTA_SRC;
r->rtm_src_len = 8*RTA_PAYLOAD(tb[RTA_PREFSRC]);
} else if (!tb[RTA_SRC]) {
- bb_error_msg_and_die("failed to connect the route");
+ bb_error_msg_and_die("can't connect the route");
}
if (!odev && tb[RTA_OIF]) {
tb[RTA_OIF]->rta_type = 0;
return 2;
}
}
- print_route(NULL, &req.n, (void*)stdout);
+ print_route(NULL, &req.n, NULL);
return 0;
}
/* Return value becomes exitcode. It's okay to not return at all */
-int do_iproute(int argc, char **argv)
+int FAST_FUNC do_iproute(char **argv)
{
static const char ip_route_commands[] ALIGN1 =
/*0-3*/ "add\0""append\0""change\0""chg\0"
/*4-7*/ "delete\0""get\0""list\0""show\0"
/*8..*/ "prepend\0""replace\0""test\0""flush\0";
- int command_num = 6;
+ int command_num;
unsigned flags = 0;
int cmd = RTM_NEWROUTE;
+ if (!*argv)
+ return iproute_list_or_flush(argv, 0);
+
/* "Standard" 'ip r a' treats 'a' as 'add', not 'append' */
/* It probably means that it is using "first match" rule */
- if (*argv) {
- command_num = index_in_substrings(ip_route_commands, *argv);
- }
+ command_num = index_in_substrings(ip_route_commands, *argv);
+
switch (command_num) {
case 0: /* add */
flags = NLM_F_CREATE|NLM_F_EXCL;
cmd = RTM_DELROUTE;
break;
case 5: /* get */
- return iproute_get(argc-1, argv+1);
+ return iproute_get(argv+1);
case 6: /* list */
case 7: /* show */
- return iproute_list_or_flush(argc-1, argv+1, 0);
+ return iproute_list_or_flush(argv+1, 0);
case 8: /* prepend */
flags = NLM_F_CREATE;
break;
flags = NLM_F_EXCL;
break;
case 11: /* flush */
- return iproute_list_or_flush(argc-1, argv+1, 1);
+ return iproute_list_or_flush(argv+1, 1);
default:
bb_error_msg_and_die("unknown command %s", *argv);
}
- return iproute_modify(cmd, flags, argc-1, argv+1);
+ return iproute_modify(cmd, flags, argv+1);
}