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Diffstat (limited to 'networking/libiproute/iproute.c')
-rw-r--r--networking/libiproute/iproute.c139
1 files changed, 71 insertions, 68 deletions
diff --git a/networking/libiproute/iproute.c b/networking/libiproute/iproute.c
index 354442c..07a88c4 100644
--- a/networking/libiproute/iproute.c
+++ b/networking/libiproute/iproute.c
@@ -79,9 +79,8 @@ static unsigned get_hz(void)
}
static int print_route(const struct sockaddr_nl *who ATTRIBUTE_UNUSED,
- struct nlmsghdr *n, void *arg)
+ struct nlmsghdr *n, void *arg ATTRIBUTE_UNUSED)
{
- FILE *fp = (FILE*)arg;
struct rtmsg *r = NLMSG_DATA(n);
int len = n->nlmsg_len;
struct rtattr * tb[RTA_MAX+1];
@@ -194,73 +193,71 @@ static int print_route(const struct sockaddr_nl *who ATTRIBUTE_UNUSED,
}
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)));
+ printf("%s ", rtnl_rtntype_n2a(r->rtm_type, b1, sizeof(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_PAYLOAD(tb[RTA_DST]),
+ 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_PAYLOAD(tb[RTA_SRC]),
+ 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)));
+ 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])));
+ printf("dev %s ", ll_index_to_name(*(int*)RTA_DATA(tb[RTA_OIF])));
}
if (tb[RTA_PREFSRC] && filter.rprefsrc.bitlen != 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_PAYLOAD(tb[RTA_PREFSRC]),
+ 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;
@@ -269,24 +266,23 @@ static int print_route(const struct sockaddr_nl *who ATTRIBUTE_UNUSED,
}
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])));
+ printf(" iif %s", ll_index_to_name(*(int*)RTA_DATA(tb[RTA_IIF])));
}
- fputc('\n', fp);
- fflush(fp);
+ bb_putchar('\n');
return 0;
}
@@ -328,11 +324,13 @@ USE_FEATURE_IP_RULE(ARG_table,)
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;
@@ -476,12 +474,15 @@ static int rtnl_rtcache_request(struct rtnl_handle *rth, int family)
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));
}
@@ -667,7 +668,7 @@ static int iproute_list_or_flush(char **argv, int flush)
for (;;) {
xrtnl_wilddump_request(&rth, do_ipv6, RTM_GETROUTE);
filter.flushed = 0;
- xrtnl_dump_filter(&rth, print_route, stdout);
+ xrtnl_dump_filter(&rth, print_route, NULL);
if (filter.flushed == 0)
return 0;
if (flush_update())
@@ -680,7 +681,7 @@ static int iproute_list_or_flush(char **argv, int flush)
} else if (rtnl_rtcache_request(&rth, do_ipv6) < 0) {
bb_perror_msg_and_die("cannot send dump request");
}
- xrtnl_dump_filter(&rth, print_route, stdout);
+ xrtnl_dump_filter(&rth, print_route, NULL);
return 0;
}
@@ -707,16 +708,18 @@ static int iproute_get(char **argv)
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;
+ /*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)) {
@@ -802,7 +805,7 @@ static int iproute_get(char **argv)
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?");
@@ -837,7 +840,7 @@ static int iproute_get(char **argv)
return 2;
}
}
- print_route(NULL, &req.n, (void*)stdout);
+ print_route(NULL, &req.n, NULL);
return 0;
}
generated by cgit v1.1 at 2024-12-28 07:27:04 +0000