#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
-#include <syslog.h>
#include <fcntl.h>
#include <sys/socket.h>
#include <netinet/in.h>
static void
explain(void)
{
- fprintf(stderr, "Usage: mirred <DIRECTION> <ACTION> [index INDEX] <dev DEVICENAME> \n");
- fprintf(stderr, "where: \n");
- fprintf(stderr, "\tDIRECTION := <ingress | egress>\n");
- fprintf(stderr, "\tACTION := <mirror | redirect>\n");
- fprintf(stderr, "\tINDEX is the specific policy instance id\n");
- fprintf(stderr, "\tDEVICENAME is the devicename \n");
-
+ fprintf(stderr,
+ "Usage: mirred <DIRECTION> <ACTION> [index INDEX] <dev DEVICENAME>\n"
+ "where:\n"
+ "\tDIRECTION := <ingress | egress>\n"
+ "\tACTION := <mirror | redirect>\n"
+ "\tINDEX is the specific policy instance id\n"
+ "\tDEVICENAME is the devicename\n");
}
static void
}
}
+static const char *mirred_direction(int action)
+{
+ switch (action) {
+ case TCA_EGRESS_REDIR:
+ case TCA_EGRESS_MIRROR:
+ return "egress";
+ case TCA_INGRESS_REDIR:
+ case TCA_INGRESS_MIRROR:
+ return "ingress";
+ default:
+ return "unknown";
+ }
+}
+
+static const char *mirred_action(int action)
+{
+ switch (action) {
+ case TCA_EGRESS_REDIR:
+ case TCA_INGRESS_REDIR:
+ return "redirect";
+ case TCA_EGRESS_MIRROR:
+ case TCA_INGRESS_MIRROR:
+ return "mirror";
+ default:
+ return "unknown";
+ }
+}
+
static int
-parse_egress(struct action_util *a, int *argc_p, char ***argv_p,
- int tca_id, struct nlmsghdr *n)
+parse_direction(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, iok = 0, mirror=0,redir=0;
- struct tc_mirred p;
+ int ok = 0, iok = 0, mirror = 0, redir = 0, ingress = 0, egress = 0;
+ struct tc_mirred p = {};
struct rtattr *tail;
- char d[16];
-
- memset(d,0,sizeof(d)-1);
- memset(&p,0,sizeof(struct tc_mirred));
+ char d[IFNAMSIZ] = {};
while (argc > 0) {
if (matches(*argv, "action") == 0) {
+ NEXT_ARG();
break;
- } else if (matches(*argv, "egress") == 0) {
+ } else if (!egress && matches(*argv, "egress") == 0) {
+ egress = 1;
+ if (ingress) {
+ fprintf(stderr,
+ "Can't have both egress and ingress\n");
+ return -1;
+ }
+ NEXT_ARG();
+ ok++;
+ continue;
+ } else if (!ingress && matches(*argv, "ingress") == 0) {
+ ingress = 1;
+ if (egress) {
+ fprintf(stderr,
+ "Can't have both ingress and egress\n");
+ return -1;
+ }
NEXT_ARG();
ok++;
continue;
argv++;
break;
}
- } else if(!ok) {
- fprintf(stderr, "was expecting egress (%s)\n", *argv);
+ } else if (!ok) {
+ fprintf(stderr,
+ "was expecting egress or ingress (%s)\n",
+ *argv);
break;
} else if (!mirror && matches(*argv, "mirror") == 0) {
- mirror=1;
+ mirror = 1;
if (redir) {
- fprintf(stderr, "Can't have both mirror and redir\n");
+ fprintf(stderr,
+ "Can't have both mirror and redir\n");
return -1;
}
- p.eaction = TCA_EGRESS_MIRROR;
+ p.eaction = egress ? TCA_EGRESS_MIRROR :
+ TCA_INGRESS_MIRROR;
p.action = TC_ACT_PIPE;
ok++;
} else if (!redir && matches(*argv, "redirect") == 0) {
- redir=1;
+ redir = 1;
if (mirror) {
- fprintf(stderr, "Can't have both mirror and redir\n");
+ fprintf(stderr,
+ "Can't have both mirror and redir\n");
return -1;
}
- p.eaction = TCA_EGRESS_REDIR;
+ p.eaction = egress ? TCA_EGRESS_REDIR :
+ TCA_INGRESS_REDIR;
p.action = TC_ACT_STOLEN;
ok++;
- } else if ((redir || mirror) && matches(*argv, "dev") == 0) {
+ } else if ((redir || mirror) &&
+ matches(*argv, "dev") == 0) {
NEXT_ARG();
if (strlen(d))
duparg("dev", *argv);
NEXT_ARG();
}
- if (!ok && !iok) {
+ if (!ok && !iok)
return -1;
- }
-
-
if (d[0]) {
int idx;
+
ll_init_map(&rth);
- if ((idx = ll_name_to_index(d)) == 0) {
- fprintf(stderr, "Cannot find device \"%s\"\n", d);
- return -1;
- }
+ idx = ll_name_to_index(d);
+ if (!idx)
+ return nodev(d);
p.ifindex = idx;
}
- if (argc && p.eaction == TCA_EGRESS_MIRROR) {
-
- if (matches(*argv, "reclassify") == 0) {
- p.action = TC_POLICE_RECLASSIFY;
- NEXT_ARG();
- } else if (matches(*argv, "pipe") == 0) {
- p.action = TC_POLICE_PIPE;
- NEXT_ARG();
- } else if (matches(*argv, "drop") == 0 ||
- matches(*argv, "shot") == 0) {
- p.action = TC_POLICE_SHOT;
- NEXT_ARG();
- } else if (matches(*argv, "continue") == 0) {
- p.action = TC_POLICE_UNSPEC;
- NEXT_ARG();
- } else if (matches(*argv, "pass") == 0) {
- p.action = TC_POLICE_OK;
- NEXT_ARG();
- }
-
- }
+ if (p.eaction == TCA_EGRESS_MIRROR || p.eaction == TCA_INGRESS_MIRROR)
+ parse_action_control(&argc, &argv, &p.action, false);
if (argc) {
if (iok && matches(*argv, "index") == 0) {
fprintf(stderr, "mirred: Illegal double index\n");
return -1;
- } else {
- if (matches(*argv, "index") == 0) {
- NEXT_ARG();
- if (get_u32(&p.index, *argv, 10)) {
- fprintf(stderr, "mirred: Illegal \"index\"\n");
- return -1;
- }
- argc--;
- argv++;
+ }
+
+ if (matches(*argv, "index") == 0) {
+ NEXT_ARG();
+ if (get_u32(&p.index, *argv, 10)) {
+ fprintf(stderr,
+ "mirred: Illegal \"index\"\n");
+ return -1;
}
+ argc--;
+ argv++;
}
}
- tail = NLMSG_TAIL(n);
- addattr_l(n, MAX_MSG, tca_id, NULL, 0);
- addattr_l(n, MAX_MSG, TCA_MIRRED_PARMS, &p, sizeof (p));
- tail->rta_len = (void *) NLMSG_TAIL(n) - (void *) tail;
+ tail = addattr_nest(n, MAX_MSG, tca_id);
+ addattr_l(n, MAX_MSG, TCA_MIRRED_PARMS, &p, sizeof(p));
+ addattr_nest_end(n, tail);
*argc_p = argc;
*argv_p = argv;
char **argv = *argv_p;
if (argc < 0) {
- fprintf(stderr,"mirred bad argument count %d\n", argc);
+ fprintf(stderr, "mirred bad argument count %d\n", argc);
return -1;
}
if (matches(*argv, "mirred") == 0) {
NEXT_ARG();
} else {
- fprintf(stderr,"mirred bad argument %s\n", *argv);
+ fprintf(stderr, "mirred bad argument %s\n", *argv);
return -1;
}
- if (matches(*argv, "egress") == 0 || matches(*argv, "index") == 0) {
- int ret = parse_egress(a, &argc, &argv, tca_id, n);
+ if (matches(*argv, "egress") == 0 || matches(*argv, "ingress") == 0 ||
+ matches(*argv, "index") == 0) {
+ int ret = parse_direction(a, &argc, &argv, tca_id, n);
+
if (ret == 0) {
*argc_p = argc;
*argv_p = argv;
return 0;
}
- } else if (matches(*argv, "ingress") == 0) {
- fprintf(stderr,"mirred ingress not supported at the moment\n");
} else if (matches(*argv, "help") == 0) {
usage();
} else {
- fprintf(stderr,"mirred option not supported %s\n", *argv);
+ fprintf(stderr, "mirred option not supported %s\n", *argv);
}
return -1;
}
static int
-print_mirred(struct action_util *au,FILE * f, struct rtattr *arg)
+print_mirred(struct action_util *au, FILE *f, struct rtattr *arg)
{
struct tc_mirred *p;
struct rtattr *tb[TCA_MIRRED_MAX + 1];
const char *dev;
- SPRINT_BUF(b1);
if (arg == NULL)
return -1;
parse_rtattr_nested(tb, TCA_MIRRED_MAX, arg);
if (tb[TCA_MIRRED_PARMS] == NULL) {
- fprintf(f, "[NULL mirred parameters]");
+ print_string(PRINT_FP, NULL, "%s", "[NULL mirred parameters]");
return -1;
}
p = RTA_DATA(tb[TCA_MIRRED_PARMS]);
- /*
- ll_init_map(&rth);
- */
-
-
- if ((dev = ll_index_to_name(p->ifindex)) == 0) {
+ dev = ll_index_to_name(p->ifindex);
+ if (dev == 0) {
fprintf(stderr, "Cannot find device %d\n", p->ifindex);
return -1;
}
- fprintf(f, "mirred (%s to device %s) %s", mirred_n2a(p->eaction), dev,action_n2a(p->action, b1, sizeof (b1)));
+ print_string(PRINT_ANY, "kind", "%s ", "mirred");
+ print_string(PRINT_FP, NULL, "(%s", mirred_n2a(p->eaction));
+ print_string(PRINT_JSON, "mirred_action", NULL,
+ mirred_action(p->eaction));
+ print_string(PRINT_JSON, "direction", NULL,
+ mirred_direction(p->eaction));
+ print_string(PRINT_ANY, "to_dev", " to device %s)", dev);
+ print_action_control(f, " ", p->action, "");
- fprintf(f, "\n ");
- fprintf(f, "\tindex %d ref %d bind %d",p->index,p->refcnt,p->bindcnt);
+ print_uint(PRINT_ANY, "index", "\n \tindex %u", p->index);
+ print_int(PRINT_ANY, "ref", " ref %d", p->refcnt);
+ print_int(PRINT_ANY, "bind", " bind %d", p->bindcnt);
if (show_stats) {
if (tb[TCA_MIRRED_TM]) {
struct tcf_t *tm = RTA_DATA(tb[TCA_MIRRED_TM]);
- print_tm(f,tm);
+
+ print_tm(f, tm);
}
}
- fprintf(f, "\n ");
+ print_string(PRINT_FP, NULL, "%s", "\n ");
return 0;
}
projects / mirror_iproute2.git / blobdiff