static int parse_pedit(struct action_util *a, int *argc_p, char ***argv_p,
int tca_id, struct nlmsghdr *n)
{
struct m_pedit_sel sel = {};
int argc = *argc_p;
char **argv = *argv_p;
int ok = 0, iok = 0;
struct rtattr *tail;
while (argc > 0) {
if (pedit_debug > 1)
fprintf(stderr, "while pedit (%d:%s)\n", argc, *argv);
if (matches(*argv, "pedit") == 0) {
NEXT_ARG();
ok++;
if (matches(*argv, "ex") == 0) {
if (ok > 1) {
fprintf(stderr,
"'ex' must be before first 'munge'\n");
explain();
return -1;
}
sel.extended = true;
NEXT_ARG();
}
continue;
} else if (matches(*argv, "help") == 0) {
usage();
} else if (matches(*argv, "munge") == 0) {
if (!ok) {
fprintf(stderr, "Bad pedit construct (%s)\n",
*argv);
explain();
return -1;
}
NEXT_ARG();
if (parse_munge(&argc, &argv, &sel)) {
fprintf(stderr, "Bad pedit construct (%s)\n",
*argv);
explain();
return -1;
}
ok++;
} else {
break;
}
}
if (!ok) {
explain();
return -1;
}
parse_action_control_dflt(&argc, &argv, &sel.sel.action, false, TC_ACT_OK);
if (argc) {
if (matches(*argv, "index") == 0) {
NEXT_ARG();
if (get_u32(&sel.sel.index, *argv, 10)) {
fprintf(stderr, "Pedit: Illegal \"index\"\n");
return -1;
}
argc--;
argv++;
iok++;
}
}
tail = addattr_nest(n, MAX_MSG, tca_id);
if (!sel.extended) {
addattr_l(n, MAX_MSG, TCA_PEDIT_PARMS, &sel,
sizeof(sel.sel) +
sel.sel.nkeys * sizeof(struct tc_pedit_key));
} else {
addattr_l(n, MAX_MSG, TCA_PEDIT_PARMS_EX, &sel,
sizeof(sel.sel) +
sel.sel.nkeys * sizeof(struct tc_pedit_key));
pedit_keys_ex_addattr(&sel, n);
}
addattr_nest_end(n, tail);
*argc_p = argc;
*argv_p = argv;
return 0;
}
static int
parse_connmark(struct action_util *a, int *argc_p, char ***argv_p, int tca_id,
struct nlmsghdr *n)
{
struct tc_connmark sel = {};
char **argv = *argv_p;
int argc = *argc_p;
int ok = 0;
struct rtattr *tail;
while (argc > 0) {
if (matches(*argv, "connmark") == 0) {
ok = 1;
argc--;
argv++;
} else if (matches(*argv, "help") == 0) {
usage();
} else {
break;
}
}
if (!ok) {
explain();
return -1;
}
if (argc) {
if (matches(*argv, "zone") == 0) {
NEXT_ARG();
if (get_u16(&sel.zone, *argv, 10)) {
fprintf(stderr, "simple: Illegal \"index\"\n");
return -1;
}
argc--;
argv++;
}
}
parse_action_control_dflt(&argc, &argv, &sel.action, false, TC_ACT_PIPE);
if (argc) {
if (matches(*argv, "index") == 0) {
NEXT_ARG();
if (get_u32(&sel.index, *argv, 10)) {
fprintf(stderr, "simple: Illegal \"index\"\n");
return -1;
}
argc--;
argv++;
}
}
tail = addattr_nest(n, MAX_MSG, tca_id);
addattr_l(n, MAX_MSG, TCA_CONNMARK_PARMS, &sel, sizeof(sel));
addattr_nest_end(n, tail);
*argc_p = argc;
*argv_p = argv;
return 0;
}
static int
parse_skbedit(struct action_util *a, int *argc_p, char ***argv_p, int tca_id,
struct nlmsghdr *n)
{
int argc = *argc_p;
char **argv = *argv_p;
int ok = 0;
struct rtattr *tail;
unsigned int tmp;
__u16 queue_mapping, ptype;
__u32 flags = 0, priority, mark;
struct tc_skbedit sel = { 0 };
if (matches(*argv, "skbedit") != 0)
return -1;
NEXT_ARG();
while (argc > 0) {
if (matches(*argv, "queue_mapping") == 0) {
flags |= SKBEDIT_F_QUEUE_MAPPING;
NEXT_ARG();
if (get_unsigned(&tmp, *argv, 10) || tmp > 65535) {
fprintf(stderr, "Illegal queue_mapping\n");
return -1;
}
queue_mapping = tmp;
ok++;
} else if (matches(*argv, "priority") == 0) {
flags |= SKBEDIT_F_PRIORITY;
NEXT_ARG();
if (get_tc_classid(&priority, *argv)) {
fprintf(stderr, "Illegal priority\n");
return -1;
}
ok++;
} else if (matches(*argv, "mark") == 0) {
flags |= SKBEDIT_F_MARK;
NEXT_ARG();
if (get_u32(&mark, *argv, 0)) {
fprintf(stderr, "Illegal mark\n");
return -1;
}
ok++;
} else if (matches(*argv, "ptype") == 0) {
NEXT_ARG();
if (matches(*argv, "host") == 0) {
ptype = PACKET_HOST;
} else if (matches(*argv, "broadcast") == 0) {
ptype = PACKET_BROADCAST;
} else if (matches(*argv, "multicast") == 0) {
ptype = PACKET_MULTICAST;
} else if (matches(*argv, "otherhost") == 0) {
ptype = PACKET_OTHERHOST;
} else {
fprintf(stderr, "Illegal ptype (%s)\n",
*argv);
return -1;
}
flags |= SKBEDIT_F_PTYPE;
ok++;
} else if (matches(*argv, "help") == 0) {
usage();
} else {
break;
}
argc--;
argv++;
}
parse_action_control_dflt(&argc, &argv, &sel.action,
false, TC_ACT_PIPE);
if (argc) {
if (matches(*argv, "index") == 0) {
NEXT_ARG();
if (get_u32(&sel.index, *argv, 10)) {
fprintf(stderr, "Pedit: Illegal \"index\"\n");
return -1;
}
argc--;
argv++;
ok++;
}
}
if (!ok) {
explain();
return -1;
}
tail = addattr_nest(n, MAX_MSG, tca_id);
addattr_l(n, MAX_MSG, TCA_SKBEDIT_PARMS, &sel, sizeof(sel));
if (flags & SKBEDIT_F_QUEUE_MAPPING)
addattr_l(n, MAX_MSG, TCA_SKBEDIT_QUEUE_MAPPING,
&queue_mapping, sizeof(queue_mapping));
if (flags & SKBEDIT_F_PRIORITY)
addattr_l(n, MAX_MSG, TCA_SKBEDIT_PRIORITY,
&priority, sizeof(priority));
if (flags & SKBEDIT_F_MARK)
addattr_l(n, MAX_MSG, TCA_SKBEDIT_MARK,
&mark, sizeof(mark));
if (flags & SKBEDIT_F_PTYPE)
addattr_l(n, MAX_MSG, TCA_SKBEDIT_PTYPE,
&ptype, sizeof(ptype));
addattr_nest_end(n, tail);
*argc_p = argc;
*argv_p = argv;
return 0;
}
static int parse_ife(struct action_util *a, int *argc_p, char ***argv_p,
int tca_id, struct nlmsghdr *n)
{
int argc = *argc_p;
char **argv = *argv_p;
int ok = 0;
struct tc_ife p = { 0 };
struct rtattr *tail;
struct rtattr *tail2;
char dbuf[ETH_ALEN];
char sbuf[ETH_ALEN];
__u16 ife_type = 0;
int user_type = 0;
__u32 ife_prio = 0;
__u32 ife_prio_v = 0;
__u32 ife_mark = 0;
__u32 ife_mark_v = 0;
__u16 ife_tcindex = 0;
__u16 ife_tcindex_v = 0;
char *daddr = NULL;
char *saddr = NULL;
if (argc <= 0)
return -1;
while (argc > 0) {
if (matches(*argv, "ife") == 0) {
NEXT_ARG();
continue;
} else if (matches(*argv, "decode") == 0) {
p.flags = IFE_DECODE; /* readability aid */
ok++;
} else if (matches(*argv, "encode") == 0) {
p.flags = IFE_ENCODE;
ok++;
} else if (matches(*argv, "allow") == 0) {
NEXT_ARG();
if (matches(*argv, "mark") == 0) {
ife_mark = IFE_META_SKBMARK;
} else if (matches(*argv, "prio") == 0) {
ife_prio = IFE_META_PRIO;
} else if (matches(*argv, "tcindex") == 0) {
ife_prio = IFE_META_TCINDEX;
} else {
fprintf(stderr, "Illegal meta define <%s>\n",
*argv);
return -1;
}
} else if (matches(*argv, "use") == 0) {
NEXT_ARG();
if (matches(*argv, "mark") == 0) {
NEXT_ARG();
if (get_u32(&ife_mark_v, *argv, 0))
invarg("ife mark val is invalid",
*argv);
} else if (matches(*argv, "prio") == 0) {
NEXT_ARG();
if (get_u32(&ife_prio_v, *argv, 0))
invarg("ife prio val is invalid",
*argv);
} else if (matches(*argv, "tcindex") == 0) {
NEXT_ARG();
if (get_u16(&ife_tcindex_v, *argv, 0))
invarg("ife tcindex val is invalid",
*argv);
} else {
fprintf(stderr, "Illegal meta use type <%s>\n",
*argv);
return -1;
}
} else if (matches(*argv, "type") == 0) {
NEXT_ARG();
if (get_u16(&ife_type, *argv, 0))
invarg("ife type is invalid", *argv);
fprintf(stderr, "IFE type 0x%04X\n", ife_type);
user_type = 1;
} else if (matches(*argv, "dst") == 0) {
NEXT_ARG();
daddr = *argv;
if (sscanf(daddr, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx",
dbuf, dbuf + 1, dbuf + 2,
dbuf + 3, dbuf + 4, dbuf + 5) != 6) {
fprintf(stderr, "Invalid mac address %s\n",
daddr);
}
fprintf(stderr, "dst MAC address <%s>\n", daddr);
} else if (matches(*argv, "src") == 0) {
NEXT_ARG();
saddr = *argv;
if (sscanf(saddr, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx",
sbuf, sbuf + 1, sbuf + 2,
sbuf + 3, sbuf + 4, sbuf + 5) != 6) {
fprintf(stderr, "Invalid mac address %s\n",
saddr);
}
fprintf(stderr, "src MAC address <%s>\n", saddr);
} else if (matches(*argv, "help") == 0) {
ife_usage();
} else {
break;
}
argc--;
argv++;
}
parse_action_control_dflt(&argc, &argv, &p.action, false, TC_ACT_PIPE);
if (argc) {
if (matches(*argv, "index") == 0) {
NEXT_ARG();
if (get_u32(&p.index, *argv, 0)) {
fprintf(stderr, "ife: Illegal \"index\"\n");
return -1;
}
ok++;
argc--;
argv++;
}
}
if (!ok) {
fprintf(stderr, "IFE requires decode/encode specified\n");
ife_usage();
}
tail = NLMSG_TAIL(n);
addattr_l(n, MAX_MSG, tca_id, NULL, 0);
addattr_l(n, MAX_MSG, TCA_IFE_PARMS, &p, sizeof(p));
if (!(p.flags & IFE_ENCODE))
goto skip_encode;
if (daddr)
addattr_l(n, MAX_MSG, TCA_IFE_DMAC, dbuf, ETH_ALEN);
if (user_type)
addattr_l(n, MAX_MSG, TCA_IFE_TYPE, &ife_type, 2);
else
fprintf(stderr, "IFE type 0x%04X\n", ETH_P_IFE);
if (saddr)
addattr_l(n, MAX_MSG, TCA_IFE_SMAC, sbuf, ETH_ALEN);
tail2 = NLMSG_TAIL(n);
addattr_l(n, MAX_MSG, TCA_IFE_METALST, NULL, 0);
if (ife_mark || ife_mark_v) {
if (ife_mark_v)
addattr_l(n, MAX_MSG, IFE_META_SKBMARK, &ife_mark_v, 4);
else
addattr_l(n, MAX_MSG, IFE_META_SKBMARK, NULL, 0);
}
if (ife_prio || ife_prio_v) {
if (ife_prio_v)
addattr_l(n, MAX_MSG, IFE_META_PRIO, &ife_prio_v, 4);
else
addattr_l(n, MAX_MSG, IFE_META_PRIO, NULL, 0);
}
if (ife_tcindex || ife_tcindex_v) {
if (ife_tcindex_v)
addattr_l(n, MAX_MSG, IFE_META_TCINDEX, &ife_tcindex_v,
2);
else
addattr_l(n, MAX_MSG, IFE_META_TCINDEX, NULL, 0);
}
tail2->rta_len = (void *)NLMSG_TAIL(n) - (void *)tail2;
skip_encode:
tail->rta_len = (void *)NLMSG_TAIL(n) - (void *)tail;
*argc_p = argc;
*argv_p = argv;
return 0;
}
