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https://github.com/sheumann/hush.git
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- remove matches() from networking/. Untested.
text data bss dec hex filename
1705 0 0 1705 6a9 networking/libiproute/utils.o.orig
1676 0 0 1676 68c networking/libiproute/utils.o
766 0 0 766 2fe networking/libiproute/rtm_map.o.orig
670 0 0 670 29e networking/libiproute/rtm_map.o
4942 0 0 4942 134e networking/libiproute/iptunnel.o.orig
4687 0 0 4687 124f networking/libiproute/iptunnel.o
This commit is contained in:
Bernhard Reutner-Fischer
parent
833358798a
commit
789b87edf5
@ -137,6 +137,23 @@ static void parse_args(int argc, char **argv, int cmd, struct ip_tunnel_parm *p)
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{
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int count = 0;
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char medium[IFNAMSIZ];
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static const char * const keywords[] = {
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"mode", "ipip", "ip/ip", "gre", "gre/ip", "sit", "ipv6/ip",
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"key", "ikey", "okey", "seq", "iseq", "oseq",
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"csum", "icsum", "ocsum", "nopmtudisc", "pmtudisc",
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"remote", "any", "local", "dev",
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"ttl", "inherit", "tos", "dsfield",
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"name", NULL
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};
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enum {
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ARG_mode, ARG_ipip, ARG_ip_ip, ARG_gre, ARG_gre_ip, ARG_sit, ARG_ip6_ip,
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ARG_key, ARG_ikey, ARG_okey, ARG_seq, ARG_iseq, ARG_oseq,
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ARG_csum, ARG_icsum, ARG_ocsum, ARG_nopmtudisc, ARG_pmtudisc,
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ARG_remote, ARG_any, ARG_local, ARG_dev,
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ARG_ttl, ARG_inherit, ARG_tos, ARG_dsfield,
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ARG_name
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};
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int key;
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memset(p, 0, sizeof(*p));
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memset(&medium, 0, sizeof(medium));
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@ -148,22 +165,24 @@ static void parse_args(int argc, char **argv, int cmd, struct ip_tunnel_parm *p)
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p->iph.frag_off = htons(IP_DF);
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while (argc > 0) {
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if (strcmp(*argv, "mode") == 0) {
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key = index_in_str_array(keywords, *argv);
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if (key == ARG_mode) {
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NEXT_ARG();
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if (strcmp(*argv, "ipip") == 0 ||
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strcmp(*argv, "ip/ip") == 0) {
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key = index_in_str_array(keywords, *argv);
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if (key == ARG_ipip ||
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key == ARG_ip_ip) {
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if (p->iph.protocol && p->iph.protocol != IPPROTO_IPIP) {
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bb_error_msg_and_die("you managed to ask for more than one tunnel mode");
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}
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p->iph.protocol = IPPROTO_IPIP;
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} else if (strcmp(*argv, "gre") == 0 ||
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strcmp(*argv, "gre/ip") == 0) {
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} else if (key == ARG_gre ||
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key == ARG_gre_ip) {
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if (p->iph.protocol && p->iph.protocol != IPPROTO_GRE) {
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bb_error_msg_and_die("you managed to ask for more than one tunnel mode");
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}
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p->iph.protocol = IPPROTO_GRE;
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} else if (strcmp(*argv, "sit") == 0 ||
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strcmp(*argv, "ipv6/ip") == 0) {
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} else if (key == ARG_sit ||
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key == ARG_ip6_ip) {
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if (p->iph.protocol && p->iph.protocol != IPPROTO_IPV6) {
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bb_error_msg_and_die("you managed to ask for more than one tunnel mode");
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}
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@ -171,7 +190,7 @@ static void parse_args(int argc, char **argv, int cmd, struct ip_tunnel_parm *p)
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} else {
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bb_error_msg_and_die("cannot guess tunnel mode");
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}
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} else if (strcmp(*argv, "key") == 0) {
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} else if (key == ARG_key) {
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unsigned uval;
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NEXT_ARG();
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p->i_flags |= GRE_KEY;
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@ -184,7 +203,7 @@ static void parse_args(int argc, char **argv, int cmd, struct ip_tunnel_parm *p)
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}
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p->i_key = p->o_key = htonl(uval);
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}
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} else if (strcmp(*argv, "ikey") == 0) {
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} else if (key == ARG_ikey) {
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unsigned uval;
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NEXT_ARG();
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p->i_flags |= GRE_KEY;
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@ -196,7 +215,7 @@ static void parse_args(int argc, char **argv, int cmd, struct ip_tunnel_parm *p)
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}
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p->i_key = htonl(uval);
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}
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} else if (strcmp(*argv, "okey") == 0) {
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} else if (key == ARG_okey) {
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unsigned uval;
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NEXT_ARG();
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p->o_flags |= GRE_KEY;
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@ -208,57 +227,61 @@ static void parse_args(int argc, char **argv, int cmd, struct ip_tunnel_parm *p)
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}
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p->o_key = htonl(uval);
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}
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} else if (strcmp(*argv, "seq") == 0) {
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} else if (key == ARG_seq) {
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p->i_flags |= GRE_SEQ;
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p->o_flags |= GRE_SEQ;
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} else if (strcmp(*argv, "iseq") == 0) {
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} else if (key == ARG_iseq) {
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p->i_flags |= GRE_SEQ;
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} else if (strcmp(*argv, "oseq") == 0) {
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} else if (key == ARG_oseq) {
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p->o_flags |= GRE_SEQ;
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} else if (strcmp(*argv, "csum") == 0) {
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} else if (key == ARG_csum) {
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p->i_flags |= GRE_CSUM;
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p->o_flags |= GRE_CSUM;
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} else if (strcmp(*argv, "icsum") == 0) {
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} else if (key == ARG_icsum) {
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p->i_flags |= GRE_CSUM;
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} else if (strcmp(*argv, "ocsum") == 0) {
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} else if (key == ARG_ocsum) {
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p->o_flags |= GRE_CSUM;
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} else if (strcmp(*argv, "nopmtudisc") == 0) {
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} else if (key == ARG_nopmtudisc) {
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p->iph.frag_off = 0;
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} else if (strcmp(*argv, "pmtudisc") == 0) {
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} else if (key == ARG_pmtudisc) {
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p->iph.frag_off = htons(IP_DF);
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} else if (strcmp(*argv, "remote") == 0) {
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} else if (key == ARG_remote) {
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NEXT_ARG();
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if (strcmp(*argv, "any"))
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key = index_in_str_array(keywords, *argv);
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if (key == ARG_any)
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p->iph.daddr = get_addr32(*argv);
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} else if (strcmp(*argv, "local") == 0) {
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} else if (key == ARG_local) {
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NEXT_ARG();
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if (strcmp(*argv, "any"))
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key = index_in_str_array(keywords, *argv);
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if (key == ARG_any)
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p->iph.saddr = get_addr32(*argv);
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} else if (strcmp(*argv, "dev") == 0) {
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} else if (key == ARG_dev) {
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NEXT_ARG();
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strncpy(medium, *argv, IFNAMSIZ-1);
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} else if (strcmp(*argv, "ttl") == 0) {
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} else if (key == ARG_ttl) {
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unsigned uval;
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NEXT_ARG();
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if (strcmp(*argv, "inherit") != 0) {
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key = index_in_str_array(keywords, *argv);
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if (key != ARG_inherit) {
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if (get_unsigned(&uval, *argv, 0))
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invarg(*argv, "TTL");
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if (uval > 255)
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invarg(*argv, "TTL must be <=255");
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p->iph.ttl = uval;
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}
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} else if (strcmp(*argv, "tos") == 0 ||
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matches(*argv, "dsfield") == 0) {
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} else if (key == ARG_tos ||
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key == ARG_dsfield) {
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uint32_t uval;
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NEXT_ARG();
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if (strcmp(*argv, "inherit") != 0) {
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key = index_in_str_array(keywords, *argv);
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if (key != ARG_inherit) {
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if (rtnl_dsfield_a2n(&uval, *argv))
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invarg(*argv, "TOS");
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p->iph.tos = uval;
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} else
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p->iph.tos = 1;
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} else {
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if (strcmp(*argv, "name") == 0) {
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if (key == ARG_name) {
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NEXT_ARG();
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}
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if (p->name[0])
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@ -438,7 +461,7 @@ static void do_tunnels_list(struct ip_tunnel_parm *p)
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ptr = strchr(buf, ':');
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if (ptr == NULL ||
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(*ptr++ = 0, sscanf(buf, "%s", name) != 1)) {
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bb_error_msg("wrong format of /proc/net/dev. Sorry");
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bb_error_msg("wrong format of /proc/net/dev");
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return;
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}
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if (sscanf(ptr, "%lu%lu%lu%lu%lu%lu%lu%*d%lu%lu%lu%lu%lu%lu%lu",
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@ -503,19 +526,29 @@ static int do_show(int argc, char **argv)
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/* Return value becomes exitcode. It's okay to not return at all */
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int do_iptunnel(int argc, char **argv)
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{
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static const char * const keywords[] = {
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"add", "change", "delete", "show", "list", "lst", NULL
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};
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enum {ARG_add = 1, ARG_change, ARG_del, ARG_show, ARG_list, ARG_lst};
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smalluint key = 4; /* show */
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if (argc > 0) {
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if (matches(*argv, "add") == 0)
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return do_add(SIOCADDTUNNEL, argc-1, argv+1);
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if (matches(*argv, "change") == 0)
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return do_add(SIOCCHGTUNNEL, argc-1, argv+1);
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if (matches(*argv, "del") == 0)
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return do_del(argc-1, argv+1);
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if (matches(*argv, "show") == 0 ||
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matches(*argv, "lst") == 0 ||
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matches(*argv, "list") == 0)
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return do_show(argc-1, argv+1);
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key = index_in_substr_array(keywords, *argv) +1;
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--argc;
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++argv;
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} else
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return do_show(0, NULL);
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if (key < ARG_add)
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bail:
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bb_error_msg_and_die(bb_msg_invalid_arg, *argv, applet_name);
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bb_error_msg_and_die("command \"%s\" is unknown", *argv);
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if (key == ARG_add)
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return do_add(SIOCADDTUNNEL, argc, argv);
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if (key == ARG_change)
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return do_add(SIOCCHGTUNNEL, argc, argv);
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if (key == ARG_del)
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return do_del(argc, argv);
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if (key == ARG_show || key == ARG_list || key == ARG_lst)
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return do_show(argc, argv);
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/* be gentle to gcc; avoid warning about non returning */
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goto bail; /* never reached */
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}
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@ -51,31 +51,40 @@ const char *rtnl_rtntype_n2a(int id, char *buf, int len)
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int rtnl_rtntype_a2n(int *id, char *arg)
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{
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static const char * const keywords[] = {
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"local", "nat", "broadcast", "brd", "anycast",
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"multicast", "prohibit", "unreachable", "blackhole",
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"xresolve", "unicast", "throw", NULL
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};
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enum { ARG_local = 1, ARG_nat, ARG_broadcast, ARG_brd, ARG_anycast,
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ARG_multicast, ARG_prohibit, ARG_unreachable, ARG_blackhole,
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ARG_xresolve, ARG_unicast, ARG_throw
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};
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const smalluint key = index_in_substr_array(keywords, arg) + 1;
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char *end;
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unsigned long res;
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if (strcmp(arg, "local") == 0)
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if (key == ARG_local)
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res = RTN_LOCAL;
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else if (strcmp(arg, "nat") == 0)
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else if (key == ARG_nat)
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res = RTN_NAT;
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else if (matches(arg, "broadcast") == 0 ||
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strcmp(arg, "brd") == 0)
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else if (key == ARG_broadcast || key == ARG_brd)
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res = RTN_BROADCAST;
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else if (matches(arg, "anycast") == 0)
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else if (key == ARG_anycast)
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res = RTN_ANYCAST;
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else if (matches(arg, "multicast") == 0)
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else if (key == ARG_multicast)
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res = RTN_MULTICAST;
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else if (matches(arg, "prohibit") == 0)
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else if (key == ARG_prohibit)
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res = RTN_PROHIBIT;
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else if (matches(arg, "unreachable") == 0)
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else if (key == ARG_unreachable)
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res = RTN_UNREACHABLE;
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else if (matches(arg, "blackhole") == 0)
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else if (key == ARG_blackhole)
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res = RTN_BLACKHOLE;
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else if (matches(arg, "xresolve") == 0)
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else if (key == ARG_xresolve)
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res = RTN_XRESOLVE;
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else if (matches(arg, "unicast") == 0)
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else if (key == ARG_unicast)
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res = RTN_UNICAST;
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else if (strcmp(arg, "throw") == 0)
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else if (key == ARG_throw)
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res = RTN_THROW;
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else {
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res = strtoul(arg, &end, 0);
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@ -251,13 +251,6 @@ void duparg2(const char *key, const char *arg)
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bb_error_msg_and_die("either \"%s\" is duplicate, or \"%s\" is garbage", key, arg);
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}
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int matches(const char *cmd, const char *pattern)
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{
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int len = strlen(cmd);
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return strncmp(pattern, cmd, len);
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}
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int inet_addr_match(inet_prefix * a, inet_prefix * b, int bits)
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{
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uint32_t *a1 = a->data;
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@ -76,7 +76,6 @@ extern const char *rt_addr_n2a(int af, int len, void *addr, char *buf, int bufle
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void invarg(const char *, const char *) ATTRIBUTE_NORETURN;
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void duparg(const char *, const char *) ATTRIBUTE_NORETURN;
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void duparg2(const char *, const char *) ATTRIBUTE_NORETURN;
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int ATTRIBUTE_DEPRECATED matches(const char *arg, const char *pattern);
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int inet_addr_match(inet_prefix *a, inet_prefix *b, int bits);
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const char *dnet_ntop(int af, const void *addr, char *str, size_t len);
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