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-rw-r--r--networking/libiproute/iptunnel.c117
-rw-r--r--networking/libiproute/rtm_map.c33
-rw-r--r--networking/libiproute/utils.c7
-rw-r--r--networking/libiproute/utils.h1
4 files changed, 96 insertions, 62 deletions
diff --git a/networking/libiproute/iptunnel.c b/networking/libiproute/iptunnel.c
index 3327b27..b12bceb 100644
--- a/networking/libiproute/iptunnel.c
+++ b/networking/libiproute/iptunnel.c
@@ -137,6 +137,23 @@ static void parse_args(int argc, char **argv, int cmd, struct ip_tunnel_parm *p)
{
int count = 0;
char medium[IFNAMSIZ];
+ static const char * const keywords[] = {
+ "mode", "ipip", "ip/ip", "gre", "gre/ip", "sit", "ipv6/ip",
+ "key", "ikey", "okey", "seq", "iseq", "oseq",
+ "csum", "icsum", "ocsum", "nopmtudisc", "pmtudisc",
+ "remote", "any", "local", "dev",
+ "ttl", "inherit", "tos", "dsfield",
+ "name", NULL
+ };
+ enum {
+ ARG_mode, ARG_ipip, ARG_ip_ip, ARG_gre, ARG_gre_ip, ARG_sit, ARG_ip6_ip,
+ ARG_key, ARG_ikey, ARG_okey, ARG_seq, ARG_iseq, ARG_oseq,
+ ARG_csum, ARG_icsum, ARG_ocsum, ARG_nopmtudisc, ARG_pmtudisc,
+ ARG_remote, ARG_any, ARG_local, ARG_dev,
+ ARG_ttl, ARG_inherit, ARG_tos, ARG_dsfield,
+ ARG_name
+ };
+ int key;
memset(p, 0, sizeof(*p));
memset(&medium, 0, sizeof(medium));
@@ -148,22 +165,24 @@ static void parse_args(int argc, char **argv, int cmd, struct ip_tunnel_parm *p)
p->iph.frag_off = htons(IP_DF);
while (argc > 0) {
- if (strcmp(*argv, "mode") == 0) {
+ key = index_in_str_array(keywords, *argv);
+ if (key == ARG_mode) {
NEXT_ARG();
- if (strcmp(*argv, "ipip") == 0 ||
- strcmp(*argv, "ip/ip") == 0) {
+ key = index_in_str_array(keywords, *argv);
+ if (key == ARG_ipip ||
+ key == ARG_ip_ip) {
if (p->iph.protocol && p->iph.protocol != IPPROTO_IPIP) {
bb_error_msg_and_die("you managed to ask for more than one tunnel mode");
}
p->iph.protocol = IPPROTO_IPIP;
- } else if (strcmp(*argv, "gre") == 0 ||
- strcmp(*argv, "gre/ip") == 0) {
+ } else if (key == ARG_gre ||
+ key == ARG_gre_ip) {
if (p->iph.protocol && p->iph.protocol != IPPROTO_GRE) {
bb_error_msg_and_die("you managed to ask for more than one tunnel mode");
}
p->iph.protocol = IPPROTO_GRE;
- } else if (strcmp(*argv, "sit") == 0 ||
- strcmp(*argv, "ipv6/ip") == 0) {
+ } else if (key == ARG_sit ||
+ key == ARG_ip6_ip) {
if (p->iph.protocol && p->iph.protocol != IPPROTO_IPV6) {
bb_error_msg_and_die("you managed to ask for more than one tunnel mode");
}
@@ -171,7 +190,7 @@ static void parse_args(int argc, char **argv, int cmd, struct ip_tunnel_parm *p)
} else {
bb_error_msg_and_die("cannot guess tunnel mode");
}
- } else if (strcmp(*argv, "key") == 0) {
+ } else if (key == ARG_key) {
unsigned uval;
NEXT_ARG();
p->i_flags |= GRE_KEY;
@@ -184,7 +203,7 @@ static void parse_args(int argc, char **argv, int cmd, struct ip_tunnel_parm *p)
}
p->i_key = p->o_key = htonl(uval);
}
- } else if (strcmp(*argv, "ikey") == 0) {
+ } else if (key == ARG_ikey) {
unsigned uval;
NEXT_ARG();
p->i_flags |= GRE_KEY;
@@ -196,7 +215,7 @@ static void parse_args(int argc, char **argv, int cmd, struct ip_tunnel_parm *p)
}
p->i_key = htonl(uval);
}
- } else if (strcmp(*argv, "okey") == 0) {
+ } else if (key == ARG_okey) {
unsigned uval;
NEXT_ARG();
p->o_flags |= GRE_KEY;
@@ -208,57 +227,61 @@ static void parse_args(int argc, char **argv, int cmd, struct ip_tunnel_parm *p)
}
p->o_key = htonl(uval);
}
- } else if (strcmp(*argv, "seq") == 0) {
+ } else if (key == ARG_seq) {
p->i_flags |= GRE_SEQ;
p->o_flags |= GRE_SEQ;
- } else if (strcmp(*argv, "iseq") == 0) {
+ } else if (key == ARG_iseq) {
p->i_flags |= GRE_SEQ;
- } else if (strcmp(*argv, "oseq") == 0) {
+ } else if (key == ARG_oseq) {
p->o_flags |= GRE_SEQ;
- } else if (strcmp(*argv, "csum") == 0) {
+ } else if (key == ARG_csum) {
p->i_flags |= GRE_CSUM;
p->o_flags |= GRE_CSUM;
- } else if (strcmp(*argv, "icsum") == 0) {
+ } else if (key == ARG_icsum) {
p->i_flags |= GRE_CSUM;
- } else if (strcmp(*argv, "ocsum") == 0) {
+ } else if (key == ARG_ocsum) {
p->o_flags |= GRE_CSUM;
- } else if (strcmp(*argv, "nopmtudisc") == 0) {
+ } else if (key == ARG_nopmtudisc) {
p->iph.frag_off = 0;
- } else if (strcmp(*argv, "pmtudisc") == 0) {
+ } else if (key == ARG_pmtudisc) {
p->iph.frag_off = htons(IP_DF);
- } else if (strcmp(*argv, "remote") == 0) {
+ } else if (key == ARG_remote) {
NEXT_ARG();
- if (strcmp(*argv, "any"))
+ key = index_in_str_array(keywords, *argv);
+ if (key == ARG_any)
p->iph.daddr = get_addr32(*argv);
- } else if (strcmp(*argv, "local") == 0) {
+ } else if (key == ARG_local) {
NEXT_ARG();
- if (strcmp(*argv, "any"))
+ key = index_in_str_array(keywords, *argv);
+ if (key == ARG_any)
p->iph.saddr = get_addr32(*argv);
- } else if (strcmp(*argv, "dev") == 0) {
+ } else if (key == ARG_dev) {
NEXT_ARG();
strncpy(medium, *argv, IFNAMSIZ-1);
- } else if (strcmp(*argv, "ttl") == 0) {
+ } else if (key == ARG_ttl) {
unsigned uval;
NEXT_ARG();
- if (strcmp(*argv, "inherit") != 0) {
+ key = index_in_str_array(keywords, *argv);
+ if (key != ARG_inherit) {
if (get_unsigned(&uval, *argv, 0))
invarg(*argv, "TTL");
if (uval > 255)
invarg(*argv, "TTL must be <=255");
p->iph.ttl = uval;
}
- } else if (strcmp(*argv, "tos") == 0 ||
- matches(*argv, "dsfield") == 0) {
+ } else if (key == ARG_tos ||
+ key == ARG_dsfield) {
uint32_t uval;
NEXT_ARG();
- if (strcmp(*argv, "inherit") != 0) {
+ key = index_in_str_array(keywords, *argv);
+ if (key != ARG_inherit) {
if (rtnl_dsfield_a2n(&uval, *argv))
invarg(*argv, "TOS");
p->iph.tos = uval;
} else
p->iph.tos = 1;
} else {
- if (strcmp(*argv, "name") == 0) {
+ if (key == ARG_name) {
NEXT_ARG();
}
if (p->name[0])
@@ -438,7 +461,7 @@ static void do_tunnels_list(struct ip_tunnel_parm *p)
ptr = strchr(buf, ':');
if (ptr == NULL ||
(*ptr++ = 0, sscanf(buf, "%s", name) != 1)) {
- bb_error_msg("wrong format of /proc/net/dev. Sorry");
+ bb_error_msg("wrong format of /proc/net/dev");
return;
}
if (sscanf(ptr, "%lu%lu%lu%lu%lu%lu%lu%*d%lu%lu%lu%lu%lu%lu%lu",
@@ -503,19 +526,29 @@ static int do_show(int argc, char **argv)
/* Return value becomes exitcode. It's okay to not return at all */
int do_iptunnel(int argc, char **argv)
{
+ static const char * const keywords[] = {
+ "add", "change", "delete", "show", "list", "lst", NULL
+ };
+ enum {ARG_add = 1, ARG_change, ARG_del, ARG_show, ARG_list, ARG_lst};
+ smalluint key = 4; /* show */
if (argc > 0) {
- if (matches(*argv, "add") == 0)
- return do_add(SIOCADDTUNNEL, argc-1, argv+1);
- if (matches(*argv, "change") == 0)
- return do_add(SIOCCHGTUNNEL, argc-1, argv+1);
- if (matches(*argv, "del") == 0)
- return do_del(argc-1, argv+1);
- if (matches(*argv, "show") == 0 ||
- matches(*argv, "lst") == 0 ||
- matches(*argv, "list") == 0)
- return do_show(argc-1, argv+1);
+ key = index_in_substr_array(keywords, *argv) +1;
+ --argc;
+ ++argv;
} else
return do_show(0, NULL);
-
- bb_error_msg_and_die("command \"%s\" is unknown", *argv);
+ if (key < ARG_add)
+ bail:
+ bb_error_msg_and_die(bb_msg_invalid_arg, *argv, applet_name);
+
+ if (key == ARG_add)
+ return do_add(SIOCADDTUNNEL, argc, argv);
+ if (key == ARG_change)
+ return do_add(SIOCCHGTUNNEL, argc, argv);
+ if (key == ARG_del)
+ return do_del(argc, argv);
+ if (key == ARG_show || key == ARG_list || key == ARG_lst)
+ return do_show(argc, argv);
+ /* be gentle to gcc; avoid warning about non returning */
+ goto bail; /* never reached */
}
diff --git a/networking/libiproute/rtm_map.c b/networking/libiproute/rtm_map.c
index 7fad0ec..593017b 100644
--- a/networking/libiproute/rtm_map.c
+++ b/networking/libiproute/rtm_map.c
@@ -51,31 +51,40 @@ const char *rtnl_rtntype_n2a(int id, char *buf, int len)
int rtnl_rtntype_a2n(int *id, char *arg)
{
+ static const char * const keywords[] = {
+ "local", "nat", "broadcast", "brd", "anycast",
+ "multicast", "prohibit", "unreachable", "blackhole",
+ "xresolve", "unicast", "throw", NULL
+ };
+ enum { ARG_local = 1, ARG_nat, ARG_broadcast, ARG_brd, ARG_anycast,
+ ARG_multicast, ARG_prohibit, ARG_unreachable, ARG_blackhole,
+ ARG_xresolve, ARG_unicast, ARG_throw
+ };
+ const smalluint key = index_in_substr_array(keywords, arg) + 1;
char *end;
unsigned long res;
- if (strcmp(arg, "local") == 0)
+ if (key == ARG_local)
res = RTN_LOCAL;
- else if (strcmp(arg, "nat") == 0)
+ else if (key == ARG_nat)
res = RTN_NAT;
- else if (matches(arg, "broadcast") == 0 ||
- strcmp(arg, "brd") == 0)
+ else if (key == ARG_broadcast || key == ARG_brd)
res = RTN_BROADCAST;
- else if (matches(arg, "anycast") == 0)
+ else if (key == ARG_anycast)
res = RTN_ANYCAST;
- else if (matches(arg, "multicast") == 0)
+ else if (key == ARG_multicast)
res = RTN_MULTICAST;
- else if (matches(arg, "prohibit") == 0)
+ else if (key == ARG_prohibit)
res = RTN_PROHIBIT;
- else if (matches(arg, "unreachable") == 0)
+ else if (key == ARG_unreachable)
res = RTN_UNREACHABLE;
- else if (matches(arg, "blackhole") == 0)
+ else if (key == ARG_blackhole)
res = RTN_BLACKHOLE;
- else if (matches(arg, "xresolve") == 0)
+ else if (key == ARG_xresolve)
res = RTN_XRESOLVE;
- else if (matches(arg, "unicast") == 0)
+ else if (key == ARG_unicast)
res = RTN_UNICAST;
- else if (strcmp(arg, "throw") == 0)
+ else if (key == ARG_throw)
res = RTN_THROW;
else {
res = strtoul(arg, &end, 0);
diff --git a/networking/libiproute/utils.c b/networking/libiproute/utils.c
index a0d0824..e63bb27 100644
--- a/networking/libiproute/utils.c
+++ b/networking/libiproute/utils.c
@@ -251,13 +251,6 @@ void duparg2(const char *key, const char *arg)
bb_error_msg_and_die("either \"%s\" is duplicate, or \"%s\" is garbage", key, arg);
}
-int matches(const char *cmd, const char *pattern)
-{
- int len = strlen(cmd);
-
- return strncmp(pattern, cmd, len);
-}
-
int inet_addr_match(inet_prefix * a, inet_prefix * b, int bits)
{
uint32_t *a1 = a->data;
diff --git a/networking/libiproute/utils.h b/networking/libiproute/utils.h
index 3bbc71d..2c4dffd 100644
--- a/networking/libiproute/utils.h
+++ b/networking/libiproute/utils.h
@@ -76,7 +76,6 @@ extern const char *rt_addr_n2a(int af, int len, void *addr, char *buf, int bufle
void invarg(const char *, const char *) ATTRIBUTE_NORETURN;
void duparg(const char *, const char *) ATTRIBUTE_NORETURN;
void duparg2(const char *, const char *) ATTRIBUTE_NORETURN;
-int ATTRIBUTE_DEPRECATED matches(const char *arg, const char *pattern);
int inet_addr_match(inet_prefix *a, inet_prefix *b, int bits);
const char *dnet_ntop(int af, const void *addr, char *str, size_t len);
generated by cgit v1.1 at 2024-12-26 21:21:44 +0000