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Diffstat (limited to 'networking/libiproute/iproute.c')
-rw-r--r--networking/libiproute/iproute.c143
1 files changed, 82 insertions, 61 deletions
diff --git a/networking/libiproute/iproute.c b/networking/libiproute/iproute.c
index e7ad7d9..d5d9c1c 100644
--- a/networking/libiproute/iproute.c
+++ b/networking/libiproute/iproute.c
@@ -306,10 +306,23 @@ static int iproute_modify(int cmd, unsigned flags, int argc, char **argv)
struct rtattr * mxrta = (void*)mxbuf;
unsigned mxlock = 0;
char *d = NULL;
- int gw_ok = 0;
- int dst_ok = 0;
- int proto_ok = 0;
- int type_ok = 0;
+ enum { gw_ok = 1<<0, dst_ok = 1<<1, proto_ok = 1<<2, type_ok = 1<<3};
+ smalluint ok = 0;
+ static const char * const keywords[] = {
+ "src", "via", "mtu", "lock", "protocol", "table", "dev", "oif", "to",
+ NULL
+ };
+ enum {
+ ARG_src,
+ ARG_via,
+ ARG_mtu, PARM_lock,
+ ARG_protocol,
+ ARG_table,
+ ARG_dev,
+ ARG_oif,
+ ARG_to
+ };
+ int arg;
memset(&req, 0, sizeof(req));
@@ -330,69 +343,64 @@ static int iproute_modify(int cmd, unsigned flags, int argc, char **argv)
mxrta->rta_len = RTA_LENGTH(0);
while (argc > 0) {
- if (strcmp(*argv, "src") == 0) {
+ arg = index_in_substr_array(keywords, *argv);
+ if (arg == ARG_src) {
inet_prefix addr;
NEXT_ARG();
get_addr(&addr, *argv, req.r.rtm_family);
- if (req.r.rtm_family == AF_UNSPEC) {
+ if (req.r.rtm_family == AF_UNSPEC)
req.r.rtm_family = addr.family;
- }
addattr_l(&req.n, sizeof(req), RTA_PREFSRC, &addr.data, addr.bytelen);
- } else if (strcmp(*argv, "via") == 0) {
+ } else if (arg == ARG_via) {
inet_prefix addr;
- gw_ok = 1;
+ ok |= gw_ok;
NEXT_ARG();
get_addr(&addr, *argv, req.r.rtm_family);
if (req.r.rtm_family == AF_UNSPEC) {
req.r.rtm_family = addr.family;
}
addattr_l(&req.n, sizeof(req), RTA_GATEWAY, &addr.data, addr.bytelen);
- } else if (strcmp(*argv, "mtu") == 0) {
+ } else if (arg == ARG_mtu) {
unsigned mtu;
NEXT_ARG();
- if (strcmp(*argv, "lock") == 0) {
+ if (index_in_str_array(keywords, *argv) == PARM_lock) {
mxlock |= (1<<RTAX_MTU);
NEXT_ARG();
}
- if (get_unsigned(&mtu, *argv, 0)) {
+ if (get_unsigned(&mtu, *argv, 0))
invarg(*argv, "mtu");
- }
rta_addattr32(mxrta, sizeof(mxbuf), RTAX_MTU, mtu);
- } else if (matches(*argv, "protocol") == 0) {
+ } else if (arg == ARG_protocol) {
uint32_t prot;
NEXT_ARG();
if (rtnl_rtprot_a2n(&prot, *argv))
invarg(*argv, "protocol");
req.r.rtm_protocol = prot;
- proto_ok =1;
-#if ENABLE_FEATURE_IP_RULE
- } else if (matches(*argv, "table") == 0) {
+ ok |= proto_ok;
+ } else if (arg == ARG_table) {
uint32_t tid;
NEXT_ARG();
if (rtnl_rttable_a2n(&tid, *argv))
invarg(*argv, "table");
req.r.rtm_table = tid;
-#endif
- } else if (strcmp(*argv, "dev") == 0 ||
- strcmp(*argv, "oif") == 0) {
+ } else if (arg == ARG_dev || arg == ARG_oif) {
NEXT_ARG();
d = *argv;
} else {
int type;
inet_prefix dst;
- if (strcmp(*argv, "to") == 0) {
+ if (arg == ARG_to) {
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;
- type_ok = 1;
+ ok |= type_ok;
}
- if (dst_ok) {
+ if (ok & dst_ok) {
duparg2("to", *argv);
}
get_prefix(&dst, *argv, req.r.rtm_family);
@@ -400,7 +408,7 @@ static int iproute_modify(int cmd, unsigned flags, int argc, char **argv)
req.r.rtm_family = dst.family;
}
req.r.rtm_dst_len = dst.bitlen;
- dst_ok = 1;
+ ok |= dst_ok;
if (dst.bytelen) {
addattr_l(&req.n, sizeof(req), RTA_DST, &dst.data, dst.bytelen);
}
@@ -427,6 +435,7 @@ static int iproute_modify(int cmd, unsigned flags, int argc, char **argv)
}
addattr_l(&req.n, sizeof(req), RTA_METRICS, RTA_DATA(mxrta), RTA_PAYLOAD(mxrta));
}
+
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 ||
@@ -436,7 +445,7 @@ static int iproute_modify(int cmd, unsigned flags, int argc, char **argv)
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;
- else if (!gw_ok)
+ else if (!(ok & gw_ok))
req.r.rtm_scope = RT_SCOPE_LINK;
}
@@ -504,7 +513,21 @@ static int iproute_list_or_flush(int argc, char **argv, int flush)
struct rtnl_handle rth;
char *id = NULL;
char *od = NULL;
-
+ static const char * const keywords[] = {
+ "protocol", "all", "dev", "oif", "iif", "via", "table", "cache",/*all,*/
+ "from", "root", "match", "exact", "to", /*root,match,exact*/ NULL
+ };
+ 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*/
+ };
+ int arg, parm;
iproute_reset_filter();
filter.tb = RT_TABLE_MAIN;
@@ -512,67 +535,66 @@ static int iproute_list_or_flush(int argc, char **argv, int flush)
bb_error_msg_and_die(bb_msg_requires_arg, "\"ip route flush\"");
while (argc > 0) {
- if (matches(*argv, "protocol") == 0) {
+ arg = index_in_substr_array(keywords, *argv);
+ if (arg == ARG_proto) {
uint32_t prot = 0;
NEXT_ARG();
filter.protocolmask = -1;
if (rtnl_rtprot_a2n(&prot, *argv)) {
- if (strcmp(*argv, "all") != 0) {
+ if (index_in_str_array(keywords, *argv) != PARM_all)
invarg(*argv, "protocol");
- }
prot = 0;
filter.protocolmask = 0;
}
filter.protocol = prot;
- } else if (strcmp(*argv, "dev") == 0 ||
- strcmp(*argv, "oif") == 0) {
+ } else if (arg == ARG_dev || arg == ARG_oif) {
NEXT_ARG();
od = *argv;
- } else if (strcmp(*argv, "iif") == 0) {
+ } else if (arg == ARG_iif) {
NEXT_ARG();
id = *argv;
- } else if (matches(*argv, "from") == 0) {
+ } else if (arg == ARG_via) {
NEXT_ARG();
- if (matches(*argv, "root") == 0) {
+ get_prefix(&filter.rvia, *argv, do_ipv6);
+ } else if (arg == ARG_table) {
+ NEXT_ARG();
+ parm = index_in_substr_array(keywords, *argv);
+ if (parm == PARM_cache)
+ filter.tb = -1;
+ else if (parm == PARM_all)
+ filter.tb = 0;
+ else
+ invarg(*argv, "table");
+ } else if (arg == ARG_from) {
+ NEXT_ARG();
+ parm = index_in_substr_array(keywords, *argv);
+ if (parm == PARM_root) {
NEXT_ARG();
get_prefix(&filter.rsrc, *argv, do_ipv6);
- } else if (matches(*argv, "match") == 0) {
+ } else if (parm == PARM_match) {
NEXT_ARG();
get_prefix(&filter.msrc, *argv, do_ipv6);
} else {
- if (matches(*argv, "exact") == 0) {
+ if (parm == PARM_exact)
NEXT_ARG();
- }
get_prefix(&filter.msrc, *argv, do_ipv6);
filter.rsrc = filter.msrc;
}
} else {
- if (matches(*argv, "to") == 0) {
+ /* parm = arg; // would be more plausible, we reuse arg here */
+ if (arg == ARG_to) {
NEXT_ARG();
+ arg = index_in_substr_array(keywords, *argv);
}
- if (matches(*argv, "root") == 0) {
+ if (arg == PARM_root) {
NEXT_ARG();
get_prefix(&filter.rdst, *argv, do_ipv6);
- } else if (matches(*argv, "match") == 0) {
+ } else if (arg == PARM_match) {
NEXT_ARG();
get_prefix(&filter.mdst, *argv, do_ipv6);
- } else if (matches(*argv, "table") == 0) {
- NEXT_ARG();
- if (matches(*argv, "cache") == 0) {
- filter.tb = -1;
-#if 0 && ENABLE_FEATURE_IP_RULE
-
-#else
- } else if (matches(*argv, "main") != 0) {
- invarg(*argv, "table");
- }
-#endif
- } else if (matches(*argv, "cache") == 0) {
- filter.tb = -1;
} else {
- if (matches(*argv, "exact") == 0) {
+ if (arg == PARM_exact)
NEXT_ARG();
- }
get_prefix(&filter.mdst, *argv, do_ipv6);
filter.rdst = filter.mdst;
}
@@ -655,8 +677,8 @@ static int iproute_get(int argc, char **argv)
} req;
char *idev = NULL;
char *odev = NULL;
- int connected = 0;
- int from_ok = 0;
+ bool connected = 0;
+ bool from_ok = 0;
static const char * const options[] =
{ "from", "iif", "oif", "dev", "notify", "connected", "to", 0 };
@@ -722,8 +744,7 @@ static int iproute_get(int argc, char **argv)
}
req.r.rtm_dst_len = addr.bitlen;
}
- argc--;
- argv++;
+ argc--; argv++;
}
}
generated by cgit v1.1 at 2024-12-27 11:23:39 +0000