--- /dev/null
+#include <sys/types.h>
+#include <sys/ioctl.h>
+#include <sys/socket.h>
+#include <sys/param.h>
+#include <sys/proc.h>
+#include <net/if.h>
+#include <netinet/in.h>
+#include <netinet/in_systm.h>
+#include <netinet/ip.h>
+#include <netinet/ip_icmp.h>
+#include <netinet/icmp6.h>
+#include <net/pfvar.h>
+#include <arpa/inet.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#include <netdb.h>
+#include <stdarg.h>
+#include <errno.h>
+#include <err.h>
+#include <ifaddrs.h>
+#include <unistd.h>
+
+#include "pfutils.h"
+
+void print_fromto(struct pf_rule_addr *, pf_osfp_t,
+ struct pf_rule_addr *, u_int8_t, u_int8_t, int);
+void print_ugid (u_int8_t, unsigned, unsigned, const char *, unsigned);
+void print_flags (u_int8_t);
+void print_addr(struct pf_addr_wrap *, sa_family_t, int);
+void print_port (u_int8_t, u_int16_t, u_int16_t, const char *);
+char *pfctl_lookup_fingerprint(pf_osfp_t, char *, size_t);
+void print_op (u_int8_t, const char *, const char *);
+int unmask(struct pf_addr *, sa_family_t);
+
+struct name_entry;
+LIST_HEAD(name_list, name_entry);
+struct name_entry {
+ LIST_ENTRY(name_entry) nm_entry;
+ int nm_num;
+ char nm_name[PF_OSFP_LEN];
+
+ struct name_list nm_sublist;
+ int nm_sublist_num;
+};
+
+struct name_list classes = LIST_HEAD_INITIALIZER(&classes);
+
+struct icmptypeent {
+ const char *name;
+ u_int8_t type;
+};
+
+struct icmpcodeent {
+ const char *name;
+ u_int8_t type;
+ u_int8_t code;
+};
+
+struct pf_timeout {
+ const char *name;
+ int timeout;
+};
+
+
+const struct icmptypeent *geticmptypebynumber(u_int8_t, u_int8_t);
+const struct icmptypeent *geticmptypebyname(char *, u_int8_t);
+const struct icmpcodeent *geticmpcodebynumber(u_int8_t, u_int8_t, u_int8_t);
+const struct icmpcodeent *geticmpcodebyname(u_long, char *, u_int8_t);
+
+static const struct icmptypeent icmp_type[] = {
+ { "echoreq", ICMP_ECHO },
+ { "echorep", ICMP_ECHOREPLY },
+ { "unreach", ICMP_UNREACH },
+ { "squench", ICMP_SOURCEQUENCH },
+ { "redir", ICMP_REDIRECT },
+ { "althost", ICMP_ALTHOSTADDR },
+ { "routeradv", ICMP_ROUTERADVERT },
+ { "routersol", ICMP_ROUTERSOLICIT },
+ { "timex", ICMP_TIMXCEED },
+ { "paramprob", ICMP_PARAMPROB },
+ { "timereq", ICMP_TSTAMP },
+ { "timerep", ICMP_TSTAMPREPLY },
+ { "inforeq", ICMP_IREQ },
+ { "inforep", ICMP_IREQREPLY },
+ { "maskreq", ICMP_MASKREQ },
+ { "maskrep", ICMP_MASKREPLY },
+ { "trace", ICMP_TRACEROUTE },
+ { "dataconv", ICMP_DATACONVERR },
+ { "mobredir", ICMP_MOBILE_REDIRECT },
+ { "ipv6-where", ICMP_IPV6_WHEREAREYOU },
+ { "ipv6-here", ICMP_IPV6_IAMHERE },
+ { "mobregreq", ICMP_MOBILE_REGREQUEST },
+ { "mobregrep", ICMP_MOBILE_REGREPLY },
+ { "skip", ICMP_SKIP },
+ { "photuris", ICMP_PHOTURIS }
+};
+
+static const struct icmptypeent icmp6_type[] = {
+ { "unreach", ICMP6_DST_UNREACH },
+ { "toobig", ICMP6_PACKET_TOO_BIG },
+ { "timex", ICMP6_TIME_EXCEEDED },
+ { "paramprob", ICMP6_PARAM_PROB },
+ { "echoreq", ICMP6_ECHO_REQUEST },
+ { "echorep", ICMP6_ECHO_REPLY },
+ { "groupqry", ICMP6_MEMBERSHIP_QUERY },
+ { "listqry", MLD_LISTENER_QUERY },
+ { "grouprep", ICMP6_MEMBERSHIP_REPORT },
+ { "listenrep", MLD_LISTENER_REPORT },
+ { "groupterm", ICMP6_MEMBERSHIP_REDUCTION },
+ { "listendone", MLD_LISTENER_DONE },
+ { "routersol", ND_ROUTER_SOLICIT },
+ { "routeradv", ND_ROUTER_ADVERT },
+ { "neighbrsol", ND_NEIGHBOR_SOLICIT },
+ { "neighbradv", ND_NEIGHBOR_ADVERT },
+ { "redir", ND_REDIRECT },
+ { "routrrenum", ICMP6_ROUTER_RENUMBERING },
+ { "wrureq", ICMP6_WRUREQUEST },
+ { "wrurep", ICMP6_WRUREPLY },
+ { "fqdnreq", ICMP6_FQDN_QUERY },
+ { "fqdnrep", ICMP6_FQDN_REPLY },
+ { "niqry", ICMP6_NI_QUERY },
+ { "nirep", ICMP6_NI_REPLY },
+ { "mtraceresp", MLD_MTRACE_RESP },
+ { "mtrace", MLD_MTRACE }
+};
+
+
+const struct pf_timeout pf_timeouts[] = {
+ { "tcp.first", PFTM_TCP_FIRST_PACKET },
+ { "tcp.opening", PFTM_TCP_OPENING },
+ { "tcp.established", PFTM_TCP_ESTABLISHED },
+ { "tcp.closing", PFTM_TCP_CLOSING },
+ { "tcp.finwait", PFTM_TCP_FIN_WAIT },
+ { "tcp.closed", PFTM_TCP_CLOSED },
+ { "tcp.tsdiff", PFTM_TS_DIFF },
+ { "udp.first", PFTM_UDP_FIRST_PACKET },
+ { "udp.single", PFTM_UDP_SINGLE },
+ { "udp.multiple", PFTM_UDP_MULTIPLE },
+ { "icmp.first", PFTM_ICMP_FIRST_PACKET },
+ { "icmp.error", PFTM_ICMP_ERROR_REPLY },
+ { "other.first", PFTM_OTHER_FIRST_PACKET },
+ { "other.single", PFTM_OTHER_SINGLE },
+ { "other.multiple", PFTM_OTHER_MULTIPLE },
+ { "frag", PFTM_FRAG },
+ { "interval", PFTM_INTERVAL },
+ { "adaptive.start", PFTM_ADAPTIVE_START },
+ { "adaptive.end", PFTM_ADAPTIVE_END },
+ { "src.track", PFTM_SRC_NODE },
+ { NULL, 0 }
+};
+
+static const struct icmpcodeent icmp_code[] = {
+ { "net-unr", ICMP_UNREACH, ICMP_UNREACH_NET },
+ { "host-unr", ICMP_UNREACH, ICMP_UNREACH_HOST },
+ { "proto-unr", ICMP_UNREACH, ICMP_UNREACH_PROTOCOL },
+ { "port-unr", ICMP_UNREACH, ICMP_UNREACH_PORT },
+ { "needfrag", ICMP_UNREACH, ICMP_UNREACH_NEEDFRAG },
+ { "srcfail", ICMP_UNREACH, ICMP_UNREACH_SRCFAIL },
+ { "net-unk", ICMP_UNREACH, ICMP_UNREACH_NET_UNKNOWN },
+ { "host-unk", ICMP_UNREACH, ICMP_UNREACH_HOST_UNKNOWN },
+ { "isolate", ICMP_UNREACH, ICMP_UNREACH_ISOLATED },
+ { "net-prohib", ICMP_UNREACH, ICMP_UNREACH_NET_PROHIB },
+ { "host-prohib", ICMP_UNREACH, ICMP_UNREACH_HOST_PROHIB },
+ { "net-tos", ICMP_UNREACH, ICMP_UNREACH_TOSNET },
+ { "host-tos", ICMP_UNREACH, ICMP_UNREACH_TOSHOST },
+ { "filter-prohib", ICMP_UNREACH, ICMP_UNREACH_FILTER_PROHIB },
+ { "host-preced", ICMP_UNREACH, ICMP_UNREACH_HOST_PRECEDENCE },
+ { "cutoff-preced", ICMP_UNREACH, ICMP_UNREACH_PRECEDENCE_CUTOFF },
+ { "redir-net", ICMP_REDIRECT, ICMP_REDIRECT_NET },
+ { "redir-host", ICMP_REDIRECT, ICMP_REDIRECT_HOST },
+ { "redir-tos-net", ICMP_REDIRECT, ICMP_REDIRECT_TOSNET },
+ { "redir-tos-host", ICMP_REDIRECT, ICMP_REDIRECT_TOSHOST },
+ { "normal-adv", ICMP_ROUTERADVERT, ICMP_ROUTERADVERT_NORMAL },
+ { "common-adv", ICMP_ROUTERADVERT, ICMP_ROUTERADVERT_NOROUTE_COMMON },
+ { "transit", ICMP_TIMXCEED, ICMP_TIMXCEED_INTRANS },
+ { "reassemb", ICMP_TIMXCEED, ICMP_TIMXCEED_REASS },
+ { "badhead", ICMP_PARAMPROB, ICMP_PARAMPROB_ERRATPTR },
+ { "optmiss", ICMP_PARAMPROB, ICMP_PARAMPROB_OPTABSENT },
+ { "badlen", ICMP_PARAMPROB, ICMP_PARAMPROB_LENGTH },
+ { "unknown-ind", ICMP_PHOTURIS, ICMP_PHOTURIS_UNKNOWN_INDEX },
+ { "auth-fail", ICMP_PHOTURIS, ICMP_PHOTURIS_AUTH_FAILED },
+ { "decrypt-fail", ICMP_PHOTURIS, ICMP_PHOTURIS_DECRYPT_FAILED }
+};
+
+static const struct icmpcodeent icmp6_code[] = {
+ { "admin-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_ADMIN },
+ { "noroute-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_NOROUTE },
+ { "notnbr-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_NOTNEIGHBOR },
+ { "beyond-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_BEYONDSCOPE },
+ { "addr-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_ADDR },
+ { "port-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_NOPORT },
+ { "transit", ICMP6_TIME_EXCEEDED, ICMP6_TIME_EXCEED_TRANSIT },
+ { "reassemb", ICMP6_TIME_EXCEEDED, ICMP6_TIME_EXCEED_REASSEMBLY },
+ { "badhead", ICMP6_PARAM_PROB, ICMP6_PARAMPROB_HEADER },
+ { "nxthdr", ICMP6_PARAM_PROB, ICMP6_PARAMPROB_NEXTHEADER },
+ { "redironlink", ND_REDIRECT, ND_REDIRECT_ONLINK },
+ { "redirrouter", ND_REDIRECT, ND_REDIRECT_ROUTER }
+};
+
+const char *tcpflags = "FSRPAUEW";
+
+void
+print_rule(struct pf_rule *r, const char *anchor_call, int verbose)
+{
+ static const char *actiontypes[] = { "pass", "block", "scrub",
+ "no scrub", "nat", "no nat", "binat", "no binat", "rdr", "no rdr" };
+ static const char *anchortypes[] = { "anchor", "anchor", "anchor",
+ "anchor", "nat-anchor", "nat-anchor", "binat-anchor",
+ "binat-anchor", "rdr-anchor", "rdr-anchor" };
+ int i, opts;
+
+ if (verbose)
+ printf("@%d ", r->nr);
+ if (r->action > PF_NORDR)
+ printf("action(%d)", r->action);
+ else if (anchor_call[0]) {
+ if (anchor_call[0] == '_') {
+ printf("%s", anchortypes[r->action]);
+ } else
+ printf("%s \"%s\"", anchortypes[r->action],
+ anchor_call);
+ } else {
+ printf("%s", actiontypes[r->action]);
+ if (r->natpass)
+ printf(" pass");
+ }
+ if (r->action == PF_DROP) {
+ if (r->rule_flag & PFRULE_RETURN)
+ printf(" return");
+ else if (r->rule_flag & PFRULE_RETURNRST) {
+ if (!r->return_ttl)
+ printf(" return-rst");
+ else
+ printf(" return-rst(ttl %d)", r->return_ttl);
+ } else if (r->rule_flag & PFRULE_RETURNICMP) {
+ const struct icmpcodeent *ic, *ic6;
+
+ ic = geticmpcodebynumber(r->return_icmp >> 8,
+ r->return_icmp & 255, AF_INET);
+ ic6 = geticmpcodebynumber(r->return_icmp6 >> 8,
+ r->return_icmp6 & 255, AF_INET6);
+
+ switch (r->af) {
+ case AF_INET:
+ printf(" return-icmp");
+ if (ic == NULL)
+ printf("(%u)", r->return_icmp & 255);
+ else
+ printf("(%s)", ic->name);
+ break;
+ case AF_INET6:
+ printf(" return-icmp6");
+ if (ic6 == NULL)
+ printf("(%u)", r->return_icmp6 & 255);
+ else
+ printf("(%s)", ic6->name);
+ break;
+ default:
+ printf(" return-icmp");
+ if (ic == NULL)
+ printf("(%u, ", r->return_icmp & 255);
+ else
+ printf("(%s, ", ic->name);
+ if (ic6 == NULL)
+ printf("%u)", r->return_icmp6 & 255);
+ else
+ printf("%s)", ic6->name);
+ break;
+ }
+ } else
+ printf(" drop");
+ }
+ if (r->direction == PF_IN)
+ printf(" in");
+ else if (r->direction == PF_OUT)
+ printf(" out");
+ if (r->log) {
+ printf(" log");
+ if (r->log & ~PF_LOG || r->logif) {
+ int count = 0;
+
+ printf(" (");
+ if (r->log & PF_LOG_ALL)
+ printf("%sall", count++ ? ", " : "");
+ if (r->log & PF_LOG_SOCKET_LOOKUP)
+ printf("%suser", count++ ? ", " : "");
+ if (r->logif)
+ printf("%sto pflog%u", count++ ? ", " : "",
+ r->logif);
+ printf(")");
+ }
+ }
+ if (r->quick)
+ printf(" quick");
+ if (r->ifname[0]) {
+ if (r->ifnot)
+ printf(" on ! %s", r->ifname);
+ else
+ printf(" on %s", r->ifname);
+ }
+ if (r->rt) {
+ if (r->rt == PF_ROUTETO)
+ printf(" route-to");
+ else if (r->rt == PF_REPLYTO)
+ printf(" reply-to");
+ else if (r->rt == PF_DUPTO)
+ printf(" dup-to");
+ else if (r->rt == PF_FASTROUTE)
+ printf(" fastroute");
+ if (r->rt != PF_FASTROUTE) {
+ printf(" ");
+ print_pool(&r->rpool, 0, 0, r->af, PF_PASS);
+ }
+ }
+ if (r->af) {
+ if (r->af == AF_INET)
+ printf(" inet");
+ else
+ printf(" inet6");
+ }
+ if (r->proto) {
+ struct protoent *p;
+
+ if ((p = getprotobynumber(r->proto)) != NULL)
+ printf(" proto %s", p->p_name);
+ else
+ printf(" proto %u", r->proto);
+ }
+ print_fromto(&r->src, r->os_fingerprint, &r->dst, r->af, r->proto,
+ verbose);
+ if (r->uid.op)
+ print_ugid(r->uid.op, r->uid.uid[0], r->uid.uid[1], "user",
+ UID_MAX);
+ if (r->gid.op)
+ print_ugid(r->gid.op, r->gid.gid[0], r->gid.gid[1], "group",
+ GID_MAX);
+ if (r->flags || r->flagset) {
+ printf(" flags ");
+ print_flags(r->flags);
+ printf("/");
+ print_flags(r->flagset);
+ } else if (r->action == PF_PASS &&
+ (!r->proto || r->proto == IPPROTO_TCP) &&
+ !(r->rule_flag & PFRULE_FRAGMENT) &&
+ !anchor_call[0] && r->keep_state)
+ printf(" flags any");
+ if (r->type) {
+ const struct icmptypeent *it;
+
+ it = geticmptypebynumber(r->type-1, r->af);
+ if (r->af != AF_INET6)
+ printf(" icmp-type");
+ else
+ printf(" icmp6-type");
+ if (it != NULL)
+ printf(" %s", it->name);
+ else
+ printf(" %u", r->type-1);
+ if (r->code) {
+ const struct icmpcodeent *ic;
+
+ ic = geticmpcodebynumber(r->type-1, r->code-1, r->af);
+ if (ic != NULL)
+ printf(" code %s", ic->name);
+ else
+ printf(" code %u", r->code-1);
+ }
+ }
+ if (r->tos)
+ printf(" tos 0x%2.2x", r->tos);
+ if (!r->keep_state && r->action == PF_PASS && !anchor_call[0])
+ printf(" no state");
+ else if (r->keep_state == PF_STATE_NORMAL)
+ printf(" keep state");
+ else if (r->keep_state == PF_STATE_MODULATE)
+ printf(" modulate state");
+ else if (r->keep_state == PF_STATE_SYNPROXY)
+ printf(" synproxy state");
+ if (r->prob) {
+ char buf[20];
+
+ snprintf(buf, sizeof(buf), "%f", r->prob*100.0/(UINT_MAX+1.0));
+ for (i = strlen(buf)-1; i > 0; i--) {
+ if (buf[i] == '0')
+ buf[i] = '\0';
+ else {
+ if (buf[i] == '.')
+ buf[i] = '\0';
+ break;
+ }
+ }
+ printf(" probability %s%%", buf);
+ }
+ opts = 0;
+ if (r->max_states || r->max_src_nodes || r->max_src_states)
+ opts = 1;
+ if (r->rule_flag & PFRULE_NOSYNC)
+ opts = 1;
+ if (r->rule_flag & PFRULE_SRCTRACK)
+ opts = 1;
+ if (r->rule_flag & PFRULE_IFBOUND)
+ opts = 1;
+ if (r->rule_flag & PFRULE_STATESLOPPY)
+ opts = 1;
+ for (i = 0; !opts && i < PFTM_MAX; ++i)
+ if (r->timeout[i])
+ opts = 1;
+ if (opts) {
+ printf(" (");
+ if (r->max_states) {
+ printf("max %u", r->max_states);
+ opts = 0;
+ }
+ if (r->rule_flag & PFRULE_NOSYNC) {
+ if (!opts)
+ printf(", ");
+ printf("no-sync");
+ opts = 0;
+ }
+ if (r->rule_flag & PFRULE_SRCTRACK) {
+ if (!opts)
+ printf(", ");
+ printf("source-track");
+ if (r->rule_flag & PFRULE_RULESRCTRACK)
+ printf(" rule");
+ else
+ printf(" global");
+ opts = 0;
+ }
+ if (r->max_src_states) {
+ if (!opts)
+ printf(", ");
+ printf("max-src-states %u", r->max_src_states);
+ opts = 0;
+ }
+ if (r->max_src_conn) {
+ if (!opts)
+ printf(", ");
+ printf("max-src-conn %u", r->max_src_conn);
+ opts = 0;
+ }
+ if (r->max_src_conn_rate.limit) {
+ if (!opts)
+ printf(", ");
+ printf("max-src-conn-rate %u/%u",
+ r->max_src_conn_rate.limit,
+ r->max_src_conn_rate.seconds);
+ opts = 0;
+ }
+ if (r->max_src_nodes) {
+ if (!opts)
+ printf(", ");
+ printf("max-src-nodes %u", r->max_src_nodes);
+ opts = 0;
+ }
+ if (r->overload_tblname[0]) {
+ if (!opts)
+ printf(", ");
+ printf("overload <%s>", r->overload_tblname);
+ if (r->flush)
+ printf(" flush");
+ if (r->flush & PF_FLUSH_GLOBAL)
+ printf(" global");
+ }
+ if (r->rule_flag & PFRULE_IFBOUND) {
+ if (!opts)
+ printf(", ");
+ printf("if-bound");
+ opts = 0;
+ }
+ if (r->rule_flag & PFRULE_STATESLOPPY) {
+ if (!opts)
+ printf(", ");
+ printf("sloppy");
+ opts = 0;
+ }
+ if (r->rule_flag & PFRULE_PFLOW) {
+ if (!opts)
+ printf(", ");
+ printf("pflow");
+ opts = 0;
+ }
+ for (i = 0; i < PFTM_MAX; ++i)
+ if (r->timeout[i]) {
+ int j;
+
+ if (!opts)
+ printf(", ");
+ opts = 0;
+ for (j = 0; pf_timeouts[j].name != NULL;
+ ++j)
+ if (pf_timeouts[j].timeout == i)
+ break;
+ printf("%s %u", pf_timeouts[j].name == NULL ?
+ "inv.timeout" : pf_timeouts[j].name,
+ r->timeout[i]);
+ }
+ printf(")");
+ }
+ if (r->rule_flag & PFRULE_FRAGMENT)
+ printf(" fragment");
+ if (r->rule_flag & PFRULE_NODF)
+ printf(" no-df");
+ if (r->rule_flag & PFRULE_RANDOMID)
+ printf(" random-id");
+ if (r->min_ttl)
+ printf(" min-ttl %d", r->min_ttl);
+ if (r->max_mss)
+ printf(" max-mss %d", r->max_mss);
+ if (r->rule_flag & PFRULE_SET_TOS)
+ printf(" set-tos 0x%2.2x", r->set_tos);
+ if (r->allow_opts)
+ printf(" allow-opts");
+ if (r->action == PF_SCRUB) {
+ if (r->rule_flag & PFRULE_REASSEMBLE_TCP)
+ printf(" reassemble tcp");
+
+ if (r->rule_flag & PFRULE_FRAGDROP)
+ printf(" fragment drop-ovl");
+ else if (r->rule_flag & PFRULE_FRAGCROP)
+ printf(" fragment crop");
+ else
+ printf(" fragment reassemble");
+ }
+ if (r->label[0])
+ printf(" label \"%s\"", r->label);
+ if (r->qname[0] && r->pqname[0])
+ printf(" queue(%s, %s)", r->qname, r->pqname);
+ else if (r->qname[0])
+ printf(" queue %s", r->qname);
+ if (r->tagname[0])
+ printf(" tag %s", r->tagname);
+ if (r->match_tagname[0]) {
+ if (r->match_tag_not)
+ printf(" !");
+ printf(" tagged %s", r->match_tagname);
+ }
+ if (r->rtableid != -1)
+ printf(" rtable %u", r->rtableid);
+ if (r->divert.port) {
+ if (PF_AZERO(&r->divert.addr, r->af)) {
+ printf(" divert-reply");
+ } else {
+ /* XXX cut&paste from print_addr */
+ char buf[48];
+
+ printf(" divert-to ");
+ if (inet_ntop(r->af, &r->divert.addr, buf,
+ sizeof(buf)) == NULL)
+ printf("?");
+ else
+ printf("%s", buf);
+ printf(" port %u", ntohs(r->divert.port));
+ }
+ }
+ if (!anchor_call[0] && (r->action == PF_NAT ||
+ r->action == PF_BINAT || r->action == PF_RDR)) {
+ printf(" -> ");
+ print_pool(&r->rpool, r->rpool.proxy_port[0],
+ r->rpool.proxy_port[1], r->af, r->action);
+ }
+}
+
+const struct icmptypeent *
+geticmptypebynumber(u_int8_t type, sa_family_t af)
+{
+ unsigned int i;
+
+ if (af != AF_INET6) {
+ for (i=0; i < (sizeof (icmp_type) / sizeof(icmp_type[0]));
+ i++) {
+ if (type == icmp_type[i].type)
+ return (&icmp_type[i]);
+ }
+ } else {
+ for (i=0; i < (sizeof (icmp6_type) /
+ sizeof(icmp6_type[0])); i++) {
+ if (type == icmp6_type[i].type)
+ return (&icmp6_type[i]);
+ }
+ }
+ return (NULL);
+}
+
+const struct icmpcodeent *
+geticmpcodebynumber(u_int8_t type, u_int8_t code, sa_family_t af)
+{
+ unsigned int i;
+
+ if (af != AF_INET6) {
+ for (i=0; i < (sizeof (icmp_code) / sizeof(icmp_code[0]));
+ i++) {
+ if (type == icmp_code[i].type &&
+ code == icmp_code[i].code)
+ return (&icmp_code[i]);
+ }
+ } else {
+ for (i=0; i < (sizeof (icmp6_code) /
+ sizeof(icmp6_code[0])); i++) {
+ if (type == icmp6_code[i].type &&
+ code == icmp6_code[i].code)
+ return (&icmp6_code[i]);
+ }
+ }
+ return (NULL);
+}
+
+const struct icmpcodeent *
+geticmpcodebyname(u_long type, char *w, sa_family_t af)
+{
+ unsigned int i;
+
+ if (af != AF_INET6) {
+ for (i=0; i < (sizeof (icmp_code) / sizeof(icmp_code[0]));
+ i++) {
+ if (type == icmp_code[i].type &&
+ !strcmp(w, icmp_code[i].name))
+ return (&icmp_code[i]);
+ }
+ } else {
+ for (i=0; i < (sizeof (icmp6_code) /
+ sizeof(icmp6_code[0])); i++) {
+ if (type == icmp6_code[i].type &&
+ !strcmp(w, icmp6_code[i].name))
+ return (&icmp6_code[i]);
+ }
+ }
+ return (NULL);
+}
+
+void
+print_pool(struct pf_pool *pool, u_int16_t p1, u_int16_t p2,
+ sa_family_t af, int id)
+{
+ struct pf_pooladdr *pooladdr;
+
+ if ((TAILQ_FIRST(&pool->list) != NULL) &&
+ TAILQ_NEXT(TAILQ_FIRST(&pool->list), entries) != NULL)
+ printf("{ ");
+ TAILQ_FOREACH(pooladdr, &pool->list, entries){
+ switch (id) {
+ case PF_NAT:
+ case PF_RDR:
+ case PF_BINAT:
+ print_addr(&pooladdr->addr, af, 0);
+ break;
+ case PF_PASS:
+ if (PF_AZERO(&pooladdr->addr.v.a.addr, af))
+ printf("%s", pooladdr->ifname);
+ else {
+ printf("(%s ", pooladdr->ifname);
+ print_addr(&pooladdr->addr, af, 0);
+ printf(")");
+ }
+ break;
+ default:
+ break;
+ }
+ if (TAILQ_NEXT(pooladdr, entries) != NULL)
+ printf(", ");
+ else if (TAILQ_NEXT(TAILQ_FIRST(&pool->list), entries) != NULL)
+ printf(" }");
+ }
+ switch (id) {
+ case PF_NAT:
+ if ((p1 != PF_NAT_PROXY_PORT_LOW ||
+ p2 != PF_NAT_PROXY_PORT_HIGH) && (p1 != 0 || p2 != 0)) {
+ if (p1 == p2)
+ printf(" port %u", p1);
+ else
+ printf(" port %u:%u", p1, p2);
+ }
+ break;
+ case PF_RDR:
+ if (p1) {
+ printf(" port %u", p1);
+ if (p2 && (p2 != p1))
+ printf(":%u", p2);
+ }
+ break;
+ default:
+ break;
+ }
+ switch (pool->opts & PF_POOL_TYPEMASK) {
+ case PF_POOL_NONE:
+ break;
+ case PF_POOL_BITMASK:
+ printf(" bitmask");
+ break;
+ case PF_POOL_RANDOM:
+ printf(" random");
+ break;
+ case PF_POOL_SRCHASH:
+ printf(" source-hash 0x%08x%08x%08x%08x",
+ pool->key.key32[0], pool->key.key32[1],
+ pool->key.key32[2], pool->key.key32[3]);
+ break;
+ case PF_POOL_ROUNDROBIN:
+ printf(" round-robin");
+ break;
+ }
+ if (pool->opts & PF_POOL_STICKYADDR)
+ printf(" sticky-address");
+ if (id == PF_NAT && p1 == 0 && p2 == 0)
+ printf(" static-port");
+}
+
+void
+print_fromto(struct pf_rule_addr *src, pf_osfp_t osfp, struct pf_rule_addr *dst,
+ sa_family_t af, u_int8_t proto, int verbose)
+{
+ char buf[PF_OSFP_LEN*3];
+ if (src->addr.type == PF_ADDR_ADDRMASK &&
+ dst->addr.type == PF_ADDR_ADDRMASK &&
+ PF_AZERO(&src->addr.v.a.addr, AF_INET6) &&
+ PF_AZERO(&src->addr.v.a.mask, AF_INET6) &&
+ PF_AZERO(&dst->addr.v.a.addr, AF_INET6) &&
+ PF_AZERO(&dst->addr.v.a.mask, AF_INET6) &&
+ !src->neg && !dst->neg &&
+ !src->port_op && !dst->port_op &&
+ osfp == PF_OSFP_ANY)
+ printf(" all");
+ else {
+ printf(" from ");
+ if (src->neg)
+ printf("! ");
+ print_addr(&src->addr, af, verbose);
+ if (src->port_op)
+ print_port(src->port_op, src->port[0],
+ src->port[1],
+ proto == IPPROTO_TCP ? "tcp" : "udp");
+ if (osfp != PF_OSFP_ANY)
+ printf(" os \"%s\"", pfctl_lookup_fingerprint(osfp, buf,
+ sizeof(buf)));
+
+ printf(" to ");
+ if (dst->neg)
+ printf("! ");
+ print_addr(&dst->addr, af, verbose);
+ if (dst->port_op)
+ print_port(dst->port_op, dst->port[0],
+ dst->port[1],
+ proto == IPPROTO_TCP ? "tcp" : "udp");
+ }
+}
+
+void
+print_ugid(u_int8_t op, unsigned u1, unsigned u2, const char *t, unsigned umax)
+{
+ char a1[11], a2[11];
+
+ snprintf(a1, sizeof(a1), "%u", u1);
+ snprintf(a2, sizeof(a2), "%u", u2);
+ printf(" %s", t);
+ if (u1 == umax && (op == PF_OP_EQ || op == PF_OP_NE))
+ print_op(op, "unknown", a2);
+ else
+ print_op(op, a1, a2);
+}
+
+void
+print_flags(u_int8_t f)
+{
+ int i;
+
+ for (i = 0; tcpflags[i]; ++i)
+ if (f & (1 << i))
+ printf("%c", tcpflags[i]);
+}
+
+void
+print_addr(struct pf_addr_wrap *addr, sa_family_t af, int verbose)
+{
+ switch (addr->type) {
+ case PF_ADDR_DYNIFTL:
+ printf("(%s", addr->v.ifname);
+ if (addr->iflags & PFI_AFLAG_NETWORK)
+ printf(":network");
+ if (addr->iflags & PFI_AFLAG_BROADCAST)
+ printf(":broadcast");
+ if (addr->iflags & PFI_AFLAG_PEER)
+ printf(":peer");
+ if (addr->iflags & PFI_AFLAG_NOALIAS)
+ printf(":0");
+ if (verbose) {
+ if (addr->p.dyncnt <= 0)
+ printf(":*");
+ else
+ printf(":%d", addr->p.dyncnt);
+ }
+ printf(")");
+ break;
+ case PF_ADDR_TABLE:
+ if (verbose)
+ if (addr->p.tblcnt == -1)
+ printf("<%s:*>", addr->v.tblname);
+ else
+ printf("<%s:%d>", addr->v.tblname,
+ addr->p.tblcnt);
+ else
+ printf("<%s>", addr->v.tblname);
+ return;
+ case PF_ADDR_RANGE: {
+ char buf[48];
+
+ if (inet_ntop(af, &addr->v.a.addr, buf, sizeof(buf)) == NULL)
+ printf("?");
+ else
+ printf("%s", buf);
+ if (inet_ntop(af, &addr->v.a.mask, buf, sizeof(buf)) == NULL)
+ printf(" - ?");
+ else
+ printf(" - %s", buf);
+ break;
+ }
+ case PF_ADDR_ADDRMASK:
+ if (PF_AZERO(&addr->v.a.addr, AF_INET6) &&
+ PF_AZERO(&addr->v.a.mask, AF_INET6))
+ printf("any");
+ else {
+ char buf[48];
+
+ if (inet_ntop(af, &addr->v.a.addr, buf,
+ sizeof(buf)) == NULL)
+ printf("?");
+ else
+ printf("%s", buf);
+ }
+ break;
+ case PF_ADDR_NOROUTE:
+ printf("no-route");
+ return;
+ case PF_ADDR_URPFFAILED:
+ printf("urpf-failed");
+ return;
+ case PF_ADDR_RTLABEL:
+ printf("route \"%s\"", addr->v.rtlabelname);
+ return;
+ default:
+ printf("?");
+ return;
+ }
+
+ /* mask if not _both_ address and mask are zero */
+ if (addr->type != PF_ADDR_RANGE &&
+ !(PF_AZERO(&addr->v.a.addr, AF_INET6) &&
+ PF_AZERO(&addr->v.a.mask, AF_INET6))) {
+ int bits = unmask(&addr->v.a.mask, af);
+
+ if (bits != (af == AF_INET ? 32 : 128))
+ printf("/%d", bits);
+ }
+}
+
+void
+print_op(u_int8_t op, const char *a1, const char *a2)
+{
+ if (op == PF_OP_IRG)
+ printf(" %s >< %s", a1, a2);
+ else if (op == PF_OP_XRG)
+ printf(" %s <> %s", a1, a2);
+ else if (op == PF_OP_EQ)
+ printf(" = %s", a1);
+ else if (op == PF_OP_NE)
+ printf(" != %s", a1);
+ else if (op == PF_OP_LT)
+ printf(" < %s", a1);
+ else if (op == PF_OP_LE)
+ printf(" <= %s", a1);
+ else if (op == PF_OP_GT)
+ printf(" > %s", a1);
+ else if (op == PF_OP_GE)
+ printf(" >= %s", a1);
+ else if (op == PF_OP_RRG)
+ printf(" %s:%s", a1, a2);
+}
+
+int
+unmask(struct pf_addr *m, sa_family_t af)
+{
+ int i = 31, j = 0, b = 0;
+ u_int32_t tmp;
+
+ while (j < 4 && m->addr32[j] == 0xffffffff) {
+ b += 32;
+ j++;
+ }
+ if (j < 4) {
+ tmp = ntohl(m->addr32[j]);
+ for (i = 31; tmp & (1 << i); --i)
+ b++;
+ }
+ return (b);
+}
+void
+print_port(u_int8_t op, u_int16_t p1, u_int16_t p2, const char *proto)
+{
+ char a1[6], a2[6];
+ struct servent *s;
+
+ s = getservbyport(p1, proto);
+ p1 = ntohs(p1);
+ p2 = ntohs(p2);
+ snprintf(a1, sizeof(a1), "%u", p1);
+ snprintf(a2, sizeof(a2), "%u", p2);
+ printf(" port");
+ if (s != NULL && (op == PF_OP_EQ || op == PF_OP_NE))
+ print_op(op, s->s_name, a2);
+ else
+ print_op(op, a1, a2);
+}
+
+/* Lookup a fingerprint name by ID */
+char *
+pfctl_lookup_fingerprint(pf_osfp_t fp, char *buf, size_t len)
+{
+ int class, version, subtype;
+ struct name_list *list;
+ struct name_entry *nm;
+
+ char *class_name, *version_name, *subtype_name;
+ class_name = version_name = subtype_name = NULL;
+
+ if (fp == PF_OSFP_UNKNOWN) {
+ strlcpy(buf, "unknown", len);
+ return (buf);
+ }
+ if (fp == PF_OSFP_ANY) {
+ strlcpy(buf, "any", len);
+ return (buf);
+ }
+
+ PF_OSFP_UNPACK(fp, class, version, subtype);
+ if (class >= (1 << _FP_CLASS_BITS) ||
+ version >= (1 << _FP_VERSION_BITS) ||
+ subtype >= (1 << _FP_SUBTYPE_BITS)) {
+ warnx("PF_OSFP_UNPACK(0x%x) failed!!", fp);
+ strlcpy(buf, "nomatch", len);
+ return (buf);
+ }
+
+ LIST_FOREACH(nm, &classes, nm_entry) {
+ if (nm->nm_num == class) {
+ class_name = nm->nm_name;
+ if (version == PF_OSFP_ANY)
+ goto found;
+ list = &nm->nm_sublist;
+ LIST_FOREACH(nm, list, nm_entry) {
+ if (nm->nm_num == version) {
+ version_name = nm->nm_name;
+ if (subtype == PF_OSFP_ANY)
+ goto found;
+ list = &nm->nm_sublist;
+ LIST_FOREACH(nm, list, nm_entry) {
+ if (nm->nm_num == subtype) {
+ subtype_name =
+ nm->nm_name;
+ goto found;
+ }
+ } /* foreach subtype */
+ strlcpy(buf, "nomatch", len);
+ return (buf);
+ }
+ } /* foreach version */
+ strlcpy(buf, "nomatch", len);
+ return (buf);
+ }
+ } /* foreach class */
+
+ strlcpy(buf, "nomatch", len);
+ return (buf);
+
+found:
+ snprintf(buf, len, "%s", class_name);
+ if (version_name) {
+ strlcat(buf, " ", len);
+ strlcat(buf, version_name, len);
+ if (subtype_name) {
+ if (strchr(version_name, ' '))
+ strlcat(buf, " ", len);
+ else if (strchr(version_name, '.') &&
+ isdigit(*subtype_name))
+ strlcat(buf, ".", len);
+ else
+ strlcat(buf, " ", len);
+ strlcat(buf, subtype_name, len);
+ }
+ }
+ return (buf);
+}
+
+
projects / collectd.git / commitdiff