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authorDenis Vlasenko2007-11-26 18:29:52 +0000
committerDenis Vlasenko2007-11-26 18:29:52 +0000
commit186c2b3d0e5b248bc20d62d0f49f536c8ebf2461 (patch)
treed118546b37b4f347b15230d5941586449972e49a
parent30297a5b833da6ece98ee46a47411a938f75b78e (diff)
downloadbusybox-186c2b3d0e5b248bc20d62d0f49f536c8ebf2461.zip
busybox-186c2b3d0e5b248bc20d62d0f49f536c8ebf2461.tar.gz
iproute: fix a bug where "ip r flush table main" was rejected,
add "ip r flush cache" (however I'm unsure it is really valid syntax) Add a few comments and stop mixing params and params' keywords.
-rw-r--r--networking/libiproute/iproute.c84
-rw-r--r--networking/libiproute/iprule.c1
2 files changed, 48 insertions, 37 deletions
diff --git a/networking/libiproute/iproute.c b/networking/libiproute/iproute.c
index ec09526..d4437b9 100644
--- a/networking/libiproute/iproute.c
+++ b/networking/libiproute/iproute.c
@@ -111,11 +111,11 @@ static int print_route(struct sockaddr_nl *who ATTRIBUTE_UNUSED,
if (r->rtm_family == AF_INET6) {
if (filter.tb) {
if (filter.tb < 0) {
- if (!(r->rtm_flags&RTM_F_CLONED)) {
+ 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) {
@@ -366,7 +366,7 @@ USE_FEATURE_IP_RULE(ARG_table,)
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))
@@ -398,7 +398,7 @@ USE_FEATURE_IP_RULE(ARG_table,)
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;
@@ -518,19 +518,30 @@ static int iproute_list_or_flush(char **argv, int flush)
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;
@@ -539,64 +550,66 @@ static int iproute_list_or_flush(char **argv, int flush)
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;
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;
}
filter.protocol = prot;
- } else if (arg == ARG_dev || arg == ARG_oif) {
+ } 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) {
+ } else if (arg == KW_table) { /* table all/cache/main */
NEXT_ARG();
parm = index_in_substrings(keywords, *argv);
- if (parm == PARM_cache)
+ if (parm == KW_cache)
filter.tb = -1;
- else if (parm == PARM_all)
+ else if (parm == KW_all)
filter.tb = 0;
- else
+ else if (parm != KW_main)
invarg(*argv, "table");
- } else if (arg == ARG_from) {
+ } else if (arg == KW_cache) { // hmm is it valid - "ip r flush cache"?
+ 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) {
+ } else if (parm == KW_match) {
NEXT_ARG();
get_prefix(&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;
}
- } 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) {
+ } else if (arg == KW_match) {
NEXT_ARG();
get_prefix(&filter.mdst, *argv, do_ipv6);
- } else {
- if (arg == PARM_exact)
+ } else { /* "to exact" is the default */
+ if (arg == KW_exact)
NEXT_ARG();
get_prefix(&filter.mdst, *argv, do_ipv6);
filter.rdst = filter.mdst;
@@ -610,7 +623,6 @@ static int iproute_list_or_flush(char **argv, int flush)
}
xrtnl_open(&rth);
-
ll_init_map(&rth);
if (id || od) {
@@ -631,7 +643,7 @@ static int iproute_list_or_flush(char **argv, int flush)
if (flush) {
char flushb[4096-512];
- if (filter.tb == -1) {
+ if (filter.tb == -1) { /* "flush table cache" */
if (do_ipv6 != AF_INET6)
iproute_flush_cache();
if (do_ipv6 == AF_INET)
diff --git a/networking/libiproute/iprule.c b/networking/libiproute/iprule.c
index 6442992..6b22061 100644
--- a/networking/libiproute/iprule.c
+++ b/networking/libiproute/iprule.c
@@ -17,7 +17,6 @@
*/
#include <syslog.h>
-//#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/ip.h>
#include <arpa/inet.h>