xref: /freebsd/sbin/ipf/libipf/printstate.c (revision 81ad6265)
1 /*	$FreeBSD$	*/
2 
3 /*
4  * Copyright (C) 2012 by Darren Reed.
5  *
6  * See the IPFILTER.LICENCE file for details on licencing.
7  */
8 
9 #include "ipf.h"
10 #include "kmem.h"
11 
12 
13 ipstate_t *
14 printstate(ipstate_t *sp, int opts, u_long now)
15 {
16 	struct protoent *pr;
17 	synclist_t ipsync;
18 
19 	if ((opts & OPT_NORESOLVE) == 0)
20 		pr = getprotobynumber(sp->is_p);
21 	else
22 		pr = NULL;
23 
24 	PRINTF("%d:", sp->is_v);
25 	if (pr != NULL)
26 		PRINTF("%s", pr->p_name);
27 	else
28 		PRINTF("%d", sp->is_p);
29 
30 	PRINTF(" src:%s", hostname(sp->is_family, &sp->is_src.in4));
31 	if (sp->is_p == IPPROTO_UDP || sp->is_p == IPPROTO_TCP) {
32 		if (sp->is_flags & IS_WSPORT)
33 			PRINTF(",*");
34 		else
35 			PRINTF(",%d", ntohs(sp->is_sport));
36 	}
37 
38 	PRINTF(" dst:%s", hostname(sp->is_family, &sp->is_dst.in4));
39 	if (sp->is_p == IPPROTO_UDP || sp->is_p == IPPROTO_TCP) {
40 		if (sp->is_flags & IS_WDPORT)
41 			PRINTF(",*");
42 		else
43 			PRINTF(",%d", ntohs(sp->is_dport));
44 	}
45 
46 	if (sp->is_p == IPPROTO_TCP) {
47 		PRINTF(" state:%d/%d", sp->is_state[0], sp->is_state[1]);
48 	}
49 
50 	PRINTF(" %ld", sp->is_die - now);
51 	if (sp->is_phnext == NULL)
52 		PRINTF(" ORPHAN");
53 	if (sp->is_flags & IS_CLONE)
54 		PRINTF(" CLONE");
55 	putchar('\n');
56 
57 	if (sp->is_p == IPPROTO_TCP) {
58 		PRINTF("\t%x:%x %hu<<%d:%hu<<%d\n",
59 			sp->is_send, sp->is_dend,
60 			sp->is_maxswin, sp->is_swinscale,
61 			sp->is_maxdwin, sp->is_dwinscale);
62 		if ((opts & OPT_VERBOSE) != 0) {
63 			PRINTF("\tcmsk %04x smsk %04x isc %p s0 %08x/%08x\n",
64 				sp->is_smsk[0], sp->is_smsk[1], sp->is_isc,
65 				sp->is_s0[0], sp->is_s0[1]);
66 			PRINTF("\tFWD: ISN inc %x sumd %x\n",
67 				sp->is_isninc[0], sp->is_sumd[0]);
68 			PRINTF("\tREV: ISN inc %x sumd %x\n",
69 				sp->is_isninc[1], sp->is_sumd[1]);
70 #ifdef	IPFILTER_SCAN
71 			PRINTF("\tsbuf[0] [");
72 			printsbuf(sp->is_sbuf[0]);
73 			PRINTF("] sbuf[1] [");
74 			printsbuf(sp->is_sbuf[1]);
75 			PRINTF("]\n");
76 #endif
77 		}
78 	} else if (sp->is_p == IPPROTO_GRE) {
79 		PRINTF("\tcall %hx/%hx\n", ntohs(sp->is_gre.gs_call[0]),
80 		       ntohs(sp->is_gre.gs_call[1]));
81 	} else if (sp->is_p == IPPROTO_ICMP
82 #ifdef	USE_INET6
83 		 || sp->is_p == IPPROTO_ICMPV6
84 #endif
85 		) {
86 		PRINTF("\tid %hu seq %hu type %d\n", sp->is_icmp.ici_id,
87 			sp->is_icmp.ici_seq, sp->is_icmp.ici_type);
88 	}
89 
90 #ifdef        USE_QUAD_T
91 	PRINTF("\tFWD: IN pkts %"PRIu64" bytes %"PRIu64" OUT pkts %"PRIu64" bytes %"PRIu64"\n\tREV: IN pkts %"PRIu64" bytes %"PRIu64" OUT pkts %"PRIu64" bytes %"PRIu64"\n",
92 		sp->is_pkts[0], sp->is_bytes[0],
93 		sp->is_pkts[1], sp->is_bytes[1],
94 		sp->is_pkts[2], sp->is_bytes[2],
95 		sp->is_pkts[3], sp->is_bytes[3]);
96 #else
97 	PRINTF("\tFWD: IN pkts %lu bytes %lu OUT pkts %lu bytes %lu\n\tREV: IN pkts %lu bytes %lu OUT pkts %lu bytes %lu\n",
98 		sp->is_pkts[0], sp->is_bytes[0],
99 		sp->is_pkts[1], sp->is_bytes[1],
100 		sp->is_pkts[2], sp->is_bytes[2],
101 		sp->is_pkts[3], sp->is_bytes[3]);
102 #endif
103 
104 	PRINTF("\ttag %u pass %#x = ", sp->is_tag, sp->is_pass);
105 
106 	/*
107 	 * Print out bits set in the result code for the state being
108 	 * kept as they would for a rule.
109 	 */
110 	if (FR_ISPASS(sp->is_pass)) {
111 		PRINTF("pass");
112 	} else if (FR_ISBLOCK(sp->is_pass)) {
113 		PRINTF("block");
114 		switch (sp->is_pass & FR_RETMASK)
115 		{
116 		case FR_RETICMP :
117 			PRINTF(" return-icmp");
118 			break;
119 		case FR_FAKEICMP :
120 			PRINTF(" return-icmp-as-dest");
121 			break;
122 		case FR_RETRST :
123 			PRINTF(" return-rst");
124 			break;
125 		default :
126 			break;
127 		}
128 	} else if ((sp->is_pass & FR_LOGMASK) == FR_LOG) {
129 			PRINTF("log");
130 		if (sp->is_pass & FR_LOGBODY)
131 			PRINTF(" body");
132 		if (sp->is_pass & FR_LOGFIRST)
133 			PRINTF(" first");
134 	} else if (FR_ISACCOUNT(sp->is_pass)) {
135 		PRINTF("count");
136 	} else if (FR_ISPREAUTH(sp->is_pass)) {
137 		PRINTF("preauth");
138 	} else if (FR_ISAUTH(sp->is_pass))
139 		PRINTF("auth");
140 
141 	if (sp->is_pass & FR_OUTQUE)
142 		PRINTF(" out");
143 	else
144 		PRINTF(" in");
145 
146 	if ((sp->is_pass & FR_LOG) != 0) {
147 		PRINTF(" log");
148 		if (sp->is_pass & FR_LOGBODY)
149 			PRINTF(" body");
150 		if (sp->is_pass & FR_LOGFIRST)
151 			PRINTF(" first");
152 		if (sp->is_pass & FR_LOGORBLOCK)
153 			PRINTF(" or-block");
154 	}
155 	if (sp->is_pass & FR_QUICK)
156 		PRINTF(" quick");
157 	if (sp->is_pass & FR_KEEPFRAG)
158 		PRINTF(" keep frags");
159 	/* a given; no? */
160 	if (sp->is_pass & FR_KEEPSTATE) {
161 		PRINTF(" keep state");
162 		if (sp->is_pass & (FR_STATESYNC|FR_STSTRICT|FR_STLOOSE)) {
163 			PRINTF(" (");
164 			if (sp->is_pass & FR_STATESYNC)
165 				PRINTF(" sync");
166 			if (sp->is_pass & FR_STSTRICT)
167 				PRINTF(" strict");
168 			if (sp->is_pass & FR_STLOOSE)
169 				PRINTF(" loose");
170 			PRINTF(" )");
171 		}
172 	}
173 	PRINTF("\n");
174 
175 	if ((opts & OPT_VERBOSE) != 0) {
176 		PRINTF("\tref %d", sp->is_ref);
177 		PRINTF(" pkt_flags & %x(%x) = %x\n",
178 			sp->is_flags & 0xf, sp->is_flags, sp->is_flags >> 4);
179 		PRINTF("\tpkt_options & %x = %x, %x = %x \n", sp->is_optmsk[0],
180 			sp->is_opt[0], sp->is_optmsk[1], sp->is_opt[1]);
181 		PRINTF("\tpkt_security & %x = %x, pkt_auth & %x = %x\n",
182 			sp->is_secmsk, sp->is_sec, sp->is_authmsk,
183 			sp->is_auth);
184 		PRINTF("\tis_flx %#x %#x %#x %#x\n", sp->is_flx[0][0],
185 			sp->is_flx[0][1], sp->is_flx[1][0], sp->is_flx[1][1]);
186 	}
187 	PRINTF("\tinterfaces: in %s", FORMAT_IF(sp->is_ifname[0]));
188 	if (opts & OPT_DEBUG)
189 		PRINTF("/%p", sp->is_ifp[0]);
190 	PRINTF(",%s", FORMAT_IF(sp->is_ifname[1]));
191 	if (opts & OPT_DEBUG)
192 		PRINTF("/%p", sp->is_ifp[1]);
193 	PRINTF(" out %s", FORMAT_IF(sp->is_ifname[2]));
194 	if (opts & OPT_DEBUG)
195 		PRINTF("/%p", sp->is_ifp[2]);
196 	PRINTF(",%s", FORMAT_IF(sp->is_ifname[3]));
197 	if (opts & OPT_DEBUG)
198 		PRINTF("/%p", sp->is_ifp[3]);
199 	PRINTF("\n");
200 
201 	PRINTF("\tSync status: ");
202 	if (sp->is_sync != NULL) {
203 		if (kmemcpy((char *)&ipsync, (u_long)sp->is_sync,
204 			    sizeof(ipsync))) {
205 			PRINTF("status could not be retrieved\n");
206 			return (NULL);
207 		}
208 
209 		PRINTF("idx %d num %d v %d pr %d rev %d\n",
210 			ipsync.sl_idx, ipsync.sl_num, ipsync.sl_v,
211 			ipsync.sl_p, ipsync.sl_rev);
212 	} else {
213 		PRINTF("not synchronized\n");
214 	}
215 
216 	return (sp->is_next);
217 }
218