#include "rt_names.h"
#include "utils.h"
#include "ip_common.h"
+#include "json_print.h"
enum list_action {
IPRULE_LIST,
"SELECTOR := [ not ] [ from PREFIX ] [ to PREFIX ] [ tos TOS ] [ fwmark FWMARK[/MASK] ]\n"
" [ iif STRING ] [ oif STRING ] [ pref NUMBER ] [ l3mdev ]\n"
" [ uidrange NUMBER-NUMBER ]\n"
+ " [ ipproto PROTOCOL ]\n"
+ " [ sport [ NUMBER | NUMBER-NUMBER ]\n"
+ " [ dport [ NUMBER | NUMBER-NUMBER ] ]\n"
"ACTION := [ table TABLE_ID ]\n"
" [ protocol PROTO ]\n"
" [ nat ADDRESS ]\n"
return true;
}
-int print_rule(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg)
+int print_rule(struct nlmsghdr *n, void *arg)
{
- FILE *fp = (FILE *)arg;
+ FILE *fp = arg;
struct fib_rule_hdr *frh = NLMSG_DATA(n);
int len = n->nlmsg_len;
int host_len = -1;
- __u32 table;
+ __u32 table, prio = 0;
struct rtattr *tb[FRA_MAX+1];
-
SPRINT_BUF(b1);
if (n->nlmsg_type != RTM_NEWRULE && n->nlmsg_type != RTM_DELRULE)
if (!filter_nlmsg(n, tb, host_len))
return 0;
+ open_json_object(NULL);
if (n->nlmsg_type == RTM_DELRULE)
- fprintf(fp, "Deleted ");
+ print_bool(PRINT_ANY, "deleted", "Deleted ", true);
if (tb[FRA_PRIORITY])
- fprintf(fp, "%u:\t",
- rta_getattr_u32(tb[FRA_PRIORITY]));
- else
- fprintf(fp, "0:\t");
+ prio = rta_getattr_u32(tb[FRA_PRIORITY]);
+
+ print_uint(PRINT_ANY, "priority", "%u:\t", prio);
if (frh->flags & FIB_RULE_INVERT)
- fprintf(fp, "not ");
+ print_null(PRINT_ANY, "not", "not ", NULL);
if (tb[FRA_SRC]) {
- if (frh->src_len != host_len) {
- fprintf(fp, "from %s/%u ",
- rt_addr_n2a_rta(frh->family, tb[FRA_SRC]),
- frh->src_len);
- } else {
- fprintf(fp, "from %s ",
- format_host_rta(frh->family, tb[FRA_SRC]));
- }
+ const char *src = rt_addr_n2a_rta(frh->family, tb[FRA_SRC]);
+
+ print_string(PRINT_FP, NULL, "from ", NULL);
+ print_color_string(PRINT_ANY, ifa_family_color(frh->family),
+ "src", "%s", src);
+ if (frh->src_len != host_len)
+ print_uint(PRINT_ANY, "srclen", "/%u ", frh->src_len);
+ else
+ print_string(PRINT_FP, NULL, " ", NULL);
} else if (frh->src_len) {
- fprintf(fp, "from 0/%d ", frh->src_len);
+ print_string(PRINT_ANY, "src", "from %s", "0");
+ print_uint(PRINT_ANY, "srclen", "/%u ", frh->src_len);
} else {
- fprintf(fp, "from all ");
+ print_string(PRINT_ANY, "src", "from %s ", "all");
}
if (tb[FRA_DST]) {
- if (frh->dst_len != host_len) {
- fprintf(fp, "to %s/%u ",
- rt_addr_n2a_rta(frh->family, tb[FRA_DST]),
- frh->dst_len);
- } else {
- fprintf(fp, "to %s ",
- format_host_rta(frh->family, tb[FRA_DST]));
- }
+ const char *dst = rt_addr_n2a_rta(frh->family, tb[FRA_DST]);
+
+ print_string(PRINT_FP, NULL, "to ", NULL);
+ print_color_string(PRINT_ANY, ifa_family_color(frh->family),
+ "dst", "%s", dst);
+ if (frh->dst_len != host_len)
+ print_uint(PRINT_ANY, "dstlen", "/%u ", frh->dst_len);
+ else
+ print_string(PRINT_FP, NULL, " ", NULL);
} else if (frh->dst_len) {
- fprintf(fp, "to 0/%d ", frh->dst_len);
+ print_string(PRINT_ANY, "dst", "to %s", "0");
+ print_uint(PRINT_ANY, "dstlen", "/%u ", frh->dst_len);
}
if (frh->tos) {
- SPRINT_BUF(b1);
- fprintf(fp, "tos %s ",
- rtnl_dsfield_n2a(frh->tos, b1, sizeof(b1)));
+ print_string(PRINT_ANY, "tos",
+ "tos %s ",
+ rtnl_dsfield_n2a(frh->tos, b1, sizeof(b1)));
}
if (tb[FRA_FWMARK] || tb[FRA_FWMASK]) {
mark = rta_getattr_u32(tb[FRA_FWMARK]);
if (tb[FRA_FWMASK] &&
- (mask = rta_getattr_u32(tb[FRA_FWMASK])) != 0xFFFFFFFF)
- fprintf(fp, "fwmark 0x%x/0x%x ", mark, mask);
- else
- fprintf(fp, "fwmark 0x%x ", mark);
+ (mask = rta_getattr_u32(tb[FRA_FWMASK])) != 0xFFFFFFFF) {
+ print_0xhex(PRINT_ANY, "fwmark", "fwmark 0x%x", mark);
+ print_0xhex(PRINT_ANY, "fwmask", "/0x%x ", mask);
+ } else {
+ print_0xhex(PRINT_ANY, "fwmark", "fwmark 0x%x ", mark);
+ }
}
if (tb[FRA_IFNAME]) {
- fprintf(fp, "iif %s ", rta_getattr_str(tb[FRA_IFNAME]));
+ if (!is_json_context())
+ fprintf(fp, "iif ");
+ print_color_string(PRINT_ANY, COLOR_IFNAME,
+ "iif", "%s ",
+ rta_getattr_str(tb[FRA_IFNAME]));
+
if (frh->flags & FIB_RULE_IIF_DETACHED)
- fprintf(fp, "[detached] ");
+ print_null(PRINT_ANY, "iif_detached", "[detached] ",
+ NULL);
}
if (tb[FRA_OIFNAME]) {
- fprintf(fp, "oif %s ", rta_getattr_str(tb[FRA_OIFNAME]));
+ if (!is_json_context())
+ fprintf(fp, "oif ");
+
+ print_color_string(PRINT_ANY, COLOR_IFNAME, "oif", "%s ",
+ rta_getattr_str(tb[FRA_OIFNAME]));
+
if (frh->flags & FIB_RULE_OIF_DETACHED)
- fprintf(fp, "[detached] ");
+ print_null(PRINT_ANY, "oif_detached", "[detached] ",
+ NULL);
}
if (tb[FRA_L3MDEV]) {
- if (rta_getattr_u8(tb[FRA_L3MDEV]))
- fprintf(fp, "lookup [l3mdev-table] ");
+ __u8 mdev = rta_getattr_u8(tb[FRA_L3MDEV]);
+
+ if (mdev)
+ print_null(PRINT_ANY, "l3mdev",
+ "lookup [l3mdev-table] ", NULL);
}
if (tb[FRA_UID_RANGE]) {
struct fib_rule_uid_range *r = RTA_DATA(tb[FRA_UID_RANGE]);
- fprintf(fp, "uidrange %u-%u ", r->start, r->end);
+ print_uint(PRINT_ANY, "uid_start", "uidrange %u", r->start);
+ print_uint(PRINT_ANY, "uid_end", "-%u ", r->end);
+ }
+
+ if (tb[FRA_IP_PROTO]) {
+ SPRINT_BUF(pbuf);
+ print_string(PRINT_ANY, "ipproto", "ipproto %s ",
+ inet_proto_n2a(rta_getattr_u8(tb[FRA_IP_PROTO]),
+ pbuf, sizeof(pbuf)));
+ }
+
+ if (tb[FRA_SPORT_RANGE]) {
+ struct fib_rule_port_range *r = RTA_DATA(tb[FRA_SPORT_RANGE]);
+
+ if (r->start == r->end) {
+ print_uint(PRINT_ANY, "sport", "sport %u ", r->start);
+ } else {
+ print_uint(PRINT_ANY, "sport_start", "sport %u",
+ r->start);
+ print_uint(PRINT_ANY, "sport_end", "-%u ", r->end);
+ }
+ }
+
+ if (tb[FRA_DPORT_RANGE]) {
+ struct fib_rule_port_range *r = RTA_DATA(tb[FRA_DPORT_RANGE]);
+
+ if (r->start == r->end) {
+ print_uint(PRINT_ANY, "dport", "dport %u ", r->start);
+ } else {
+ print_uint(PRINT_ANY, "dport_start", "dport %u",
+ r->start);
+ print_uint(PRINT_ANY, "dport_end", "-%u ", r->end);
+ }
}
table = frh_get_table(frh, tb);
if (table) {
- fprintf(fp, "lookup %s ",
- rtnl_rttable_n2a(table, b1, sizeof(b1)));
+ print_string(PRINT_ANY, "table",
+ "lookup %s ",
+ rtnl_rttable_n2a(table, b1, sizeof(b1)));
if (tb[FRA_SUPPRESS_PREFIXLEN]) {
int pl = rta_getattr_u32(tb[FRA_SUPPRESS_PREFIXLEN]);
if (pl != -1)
- fprintf(fp, "suppress_prefixlength %d ", pl);
+ print_int(PRINT_ANY, "suppress_prefixlen",
+ "suppress_prefixlength %d ", pl);
}
+
if (tb[FRA_SUPPRESS_IFGROUP]) {
int group = rta_getattr_u32(tb[FRA_SUPPRESS_IFGROUP]);
if (group != -1) {
- SPRINT_BUF(b1);
- fprintf(fp, "suppress_ifgroup %s ",
- rtnl_group_n2a(group, b1, sizeof(b1)));
+ const char *grname
+ = rtnl_group_n2a(group, b1, sizeof(b1));
+
+ print_string(PRINT_ANY, "suppress_ifgroup",
+ "suppress_ifgroup %s ", grname);
}
}
}
__u32 from = to>>16;
to &= 0xFFFF;
- if (from) {
- fprintf(fp, "realms %s/",
- rtnl_rtrealm_n2a(from, b1, sizeof(b1)));
- }
- fprintf(fp, "%s ",
- rtnl_rtrealm_n2a(to, b1, sizeof(b1)));
+ if (from)
+ print_string(PRINT_ANY,
+ "flow_from", "realms %s/",
+ rtnl_rtrealm_n2a(from, b1, sizeof(b1)));
+
+ print_string(PRINT_ANY, "flow_to", "%s ",
+ rtnl_rtrealm_n2a(to, b1, sizeof(b1)));
}
if (frh->action == RTN_NAT) {
if (tb[RTA_GATEWAY]) {
- fprintf(fp, "map-to %s ",
- format_host_rta(frh->family,
- tb[RTA_GATEWAY]));
- } else
- fprintf(fp, "masquerade");
+ const char *gateway;
+
+ gateway = format_host_rta(frh->family, tb[RTA_GATEWAY]);
+
+ print_string(PRINT_ANY, "nat_gateway",
+ "map-to %s ", gateway);
+ } else {
+ print_null(PRINT_ANY, "masquerade", "masquerade", NULL);
+ }
} else if (frh->action == FR_ACT_GOTO) {
- fprintf(fp, "goto ");
if (tb[FRA_GOTO])
- fprintf(fp, "%u", rta_getattr_u32(tb[FRA_GOTO]));
+ print_uint(PRINT_ANY, "goto", "goto %u",
+ rta_getattr_u32(tb[FRA_GOTO]));
else
- fprintf(fp, "none");
+ print_string(PRINT_ANY, "goto", "goto %s", "none");
+
if (frh->flags & FIB_RULE_UNRESOLVED)
- fprintf(fp, " [unresolved]");
- } else if (frh->action == FR_ACT_NOP)
- fprintf(fp, "nop");
- else if (frh->action != FR_ACT_TO_TBL)
- fprintf(fp, "%s",
- rtnl_rtntype_n2a(frh->action,
- b1, sizeof(b1)));
+ print_null(PRINT_ANY, "unresolved", "unresolved", NULL);
+ } else if (frh->action == FR_ACT_NOP) {
+ print_null(PRINT_ANY, "nop", "nop", NULL);
+ } else if (frh->action != FR_ACT_TO_TBL) {
+ print_string(PRINT_ANY, "to_tbl", "%s",
+ rtnl_rtntype_n2a(frh->action, b1, sizeof(b1)));
+ }
if (tb[FRA_PROTOCOL]) {
__u8 protocol = rta_getattr_u8(tb[FRA_PROTOCOL]);
- if ((protocol && protocol != RTPROT_KERNEL) ||
- show_details > 0) {
- fprintf(fp, " proto %s ",
- rtnl_rtprot_n2a(protocol, b1, sizeof(b1)));
+ if ((protocol && protocol != RTPROT_KERNEL) || show_details > 0) {
+ print_string(PRINT_ANY, "protocol", " proto %s ",
+ rtnl_rtprot_n2a(protocol, b1, sizeof(b1)));
}
}
-
- fprintf(fp, "\n");
+ print_string(PRINT_FP, NULL, "\n", "");
+ close_json_object();
fflush(fp);
return 0;
}
return 0;
}
-static int save_rule(const struct sockaddr_nl *who,
- struct nlmsghdr *n, void *arg)
+static int save_rule(struct nlmsghdr *n, void *arg)
{
int ret;
return ret == n->nlmsg_len ? 0 : ret;
}
-static int flush_rule(const struct sockaddr_nl *who, struct nlmsghdr *n,
- void *arg)
+static int flush_rule(struct nlmsghdr *n, void *arg)
{
struct rtnl_handle rth2;
struct fib_rule_hdr *frh = NLMSG_DATA(n);
int len = n->nlmsg_len;
struct rtattr *tb[FRA_MAX+1];
+ int host_len = -1;
len -= NLMSG_LENGTH(sizeof(*frh));
if (len < 0)
parse_rtattr(tb, FRA_MAX, RTM_RTA(frh), len);
+ host_len = af_bit_len(frh->family);
+ if (!filter_nlmsg(n, tb, host_len))
+ return 0;
+
if (tb[FRA_PROTOCOL]) {
__u8 protocol = rta_getattr_u8(tb[FRA_PROTOCOL]);
argc--; argv++;
}
- if (rtnl_wilddump_request(&rth, af, RTM_GETRULE) < 0) {
+ if (rtnl_ruledump_req(&rth, af) < 0) {
perror("Cannot send dump request");
return 1;
}
+ new_json_obj(json);
if (rtnl_dump_filter(&rth, filter_fn, stdout) < 0) {
fprintf(stderr, "Dump terminated\n");
return 1;
}
+ delete_json_obj();
return 0;
}
return 0;
}
-static int restore_handler(const struct sockaddr_nl *nl,
- struct rtnl_ctrl_data *ctrl,
+static int restore_handler(struct rtnl_ctrl_data *ctrl,
struct nlmsghdr *n, void *arg)
{
int ret;
};
if (cmd == RTM_NEWRULE) {
+ if (argc == 0) {
+ fprintf(stderr,
+ "\"ip rule add\" requires arguments.\n");
+ return -1;
+ }
req.n.nlmsg_flags |= NLM_F_CREATE|NLM_F_EXCL;
req.frh.action = FR_ACT_TO_TBL;
}
addattr32(&req.n, sizeof(req), RTA_GATEWAY,
get_addr32(*argv));
req.frh.action = RTN_NAT;
+ } else if (strcmp(*argv, "ipproto") == 0) {
+ int ipproto;
+
+ NEXT_ARG();
+ ipproto = inet_proto_a2n(*argv);
+ if (ipproto < 0)
+ invarg("Invalid \"ipproto\" value\n",
+ *argv);
+ addattr8(&req.n, sizeof(req), FRA_IP_PROTO, ipproto);
+ } else if (strcmp(*argv, "sport") == 0) {
+ struct fib_rule_port_range r;
+ int ret = 0;
+
+ NEXT_ARG();
+ ret = sscanf(*argv, "%hu-%hu", &r.start, &r.end);
+ if (ret == 1)
+ r.end = r.start;
+ else if (ret != 2)
+ invarg("invalid port range\n", *argv);
+ addattr_l(&req.n, sizeof(req), FRA_SPORT_RANGE, &r,
+ sizeof(r));
+ } else if (strcmp(*argv, "dport") == 0) {
+ struct fib_rule_port_range r;
+ int ret = 0;
+
+ NEXT_ARG();
+ ret = sscanf(*argv, "%hu-%hu", &r.start, &r.end);
+ if (ret == 1)
+ r.end = r.start;
+ else if (ret != 2)
+ invarg("invalid dport range\n", *argv);
+ addattr_l(&req.n, sizeof(req), FRA_DPORT_RANGE, &r,
+ sizeof(r));
} else {
int type;