xref: /freebsd/sbin/ipf/libipf/printstate.c (revision 7fdf597e96a02165cfe22ff357b857d5fa15ed8a)
1 
2 /*
3  * Copyright (C) 2012 by Darren Reed.
4  *
5  * See the IPFILTER.LICENCE file for details on licencing.
6  */
7 
8 #include "ipf.h"
9 #include "kmem.h"
10 
11 
12 ipstate_t *
13 printstate(ipstate_t *sp, int opts, u_long now)
14 {
15 	struct protoent *pr;
16 	synclist_t ipsync;
17 
18 	if ((opts & OPT_NORESOLVE) == 0)
19 		pr = getprotobynumber(sp->is_p);
20 	else
21 		pr = NULL;
22 
23 	PRINTF("%d:", sp->is_v);
24 	if (pr != NULL)
25 		PRINTF("%s", pr->p_name);
26 	else
27 		PRINTF("%d", sp->is_p);
28 
29 	PRINTF(" src:%s", hostname(sp->is_family, &sp->is_src.in4));
30 	if (sp->is_p == IPPROTO_UDP || sp->is_p == IPPROTO_TCP) {
31 		if (sp->is_flags & IS_WSPORT)
32 			PRINTF(",*");
33 		else
34 			PRINTF(",%d", ntohs(sp->is_sport));
35 	}
36 
37 	PRINTF(" dst:%s", hostname(sp->is_family, &sp->is_dst.in4));
38 	if (sp->is_p == IPPROTO_UDP || sp->is_p == IPPROTO_TCP) {
39 		if (sp->is_flags & IS_WDPORT)
40 			PRINTF(",*");
41 		else
42 			PRINTF(",%d", ntohs(sp->is_dport));
43 	}
44 
45 	if (sp->is_p == IPPROTO_TCP) {
46 		PRINTF(" state:%d/%d", sp->is_state[0], sp->is_state[1]);
47 	}
48 
49 	PRINTF(" %ld", sp->is_die - now);
50 	if (sp->is_phnext == NULL)
51 		PRINTF(" ORPHAN");
52 	if (sp->is_flags & IS_CLONE)
53 		PRINTF(" CLONE");
54 	putchar('\n');
55 
56 	if (sp->is_p == IPPROTO_TCP) {
57 		PRINTF("\t%x:%x %hu<<%d:%hu<<%d\n",
58 			sp->is_send, sp->is_dend,
59 			sp->is_maxswin, sp->is_swinscale,
60 			sp->is_maxdwin, sp->is_dwinscale);
61 		if ((opts & OPT_VERBOSE) != 0) {
62 			PRINTF("\tcmsk %04x smsk %04x isc %p s0 %08x/%08x\n",
63 				sp->is_smsk[0], sp->is_smsk[1], sp->is_isc,
64 				sp->is_s0[0], sp->is_s0[1]);
65 			PRINTF("\tFWD: ISN inc %x sumd %x\n",
66 				sp->is_isninc[0], sp->is_sumd[0]);
67 			PRINTF("\tREV: ISN inc %x sumd %x\n",
68 				sp->is_isninc[1], sp->is_sumd[1]);
69 #ifdef	IPFILTER_SCAN
70 			PRINTF("\tsbuf[0] [");
71 			printsbuf(sp->is_sbuf[0]);
72 			PRINTF("] sbuf[1] [");
73 			printsbuf(sp->is_sbuf[1]);
74 			PRINTF("]\n");
75 #endif
76 		}
77 	} else if (sp->is_p == IPPROTO_GRE) {
78 		PRINTF("\tcall %hx/%hx\n", ntohs(sp->is_gre.gs_call[0]),
79 		       ntohs(sp->is_gre.gs_call[1]));
80 	} else if (sp->is_p == IPPROTO_ICMP
81 #ifdef	USE_INET6
82 		 || sp->is_p == IPPROTO_ICMPV6
83 #endif
84 		) {
85 		PRINTF("\tid %hu seq %hu type %d\n", sp->is_icmp.ici_id,
86 			sp->is_icmp.ici_seq, sp->is_icmp.ici_type);
87 	}
88 
89 #ifdef        USE_QUAD_T
90 	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",
91 		sp->is_pkts[0], sp->is_bytes[0],
92 		sp->is_pkts[1], sp->is_bytes[1],
93 		sp->is_pkts[2], sp->is_bytes[2],
94 		sp->is_pkts[3], sp->is_bytes[3]);
95 #else
96 	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",
97 		sp->is_pkts[0], sp->is_bytes[0],
98 		sp->is_pkts[1], sp->is_bytes[1],
99 		sp->is_pkts[2], sp->is_bytes[2],
100 		sp->is_pkts[3], sp->is_bytes[3]);
101 #endif
102 
103 	PRINTF("\ttag %u pass %#x = ", sp->is_tag, sp->is_pass);
104 
105 	/*
106 	 * Print out bits set in the result code for the state being
107 	 * kept as they would for a rule.
108 	 */
109 	if (FR_ISPASS(sp->is_pass)) {
110 		PRINTF("pass");
111 	} else if (FR_ISBLOCK(sp->is_pass)) {
112 		PRINTF("block");
113 		switch (sp->is_pass & FR_RETMASK)
114 		{
115 		case FR_RETICMP :
116 			PRINTF(" return-icmp");
117 			break;
118 		case FR_FAKEICMP :
119 			PRINTF(" return-icmp-as-dest");
120 			break;
121 		case FR_RETRST :
122 			PRINTF(" return-rst");
123 			break;
124 		default :
125 			break;
126 		}
127 	} else if ((sp->is_pass & FR_LOGMASK) == FR_LOG) {
128 			PRINTF("log");
129 		if (sp->is_pass & FR_LOGBODY)
130 			PRINTF(" body");
131 		if (sp->is_pass & FR_LOGFIRST)
132 			PRINTF(" first");
133 	} else if (FR_ISACCOUNT(sp->is_pass)) {
134 		PRINTF("count");
135 	} else if (FR_ISPREAUTH(sp->is_pass)) {
136 		PRINTF("preauth");
137 	} else if (FR_ISAUTH(sp->is_pass))
138 		PRINTF("auth");
139 
140 	if (sp->is_pass & FR_OUTQUE)
141 		PRINTF(" out");
142 	else
143 		PRINTF(" in");
144 
145 	if ((sp->is_pass & FR_LOG) != 0) {
146 		PRINTF(" log");
147 		if (sp->is_pass & FR_LOGBODY)
148 			PRINTF(" body");
149 		if (sp->is_pass & FR_LOGFIRST)
150 			PRINTF(" first");
151 		if (sp->is_pass & FR_LOGORBLOCK)
152 			PRINTF(" or-block");
153 	}
154 	if (sp->is_pass & FR_QUICK)
155 		PRINTF(" quick");
156 	if (sp->is_pass & FR_KEEPFRAG)
157 		PRINTF(" keep frags");
158 	/* a given; no? */
159 	if (sp->is_pass & FR_KEEPSTATE) {
160 		PRINTF(" keep state");
161 		if (sp->is_pass & (FR_STATESYNC|FR_STSTRICT|FR_STLOOSE)) {
162 			PRINTF(" (");
163 			if (sp->is_pass & FR_STATESYNC)
164 				PRINTF(" sync");
165 			if (sp->is_pass & FR_STSTRICT)
166 				PRINTF(" strict");
167 			if (sp->is_pass & FR_STLOOSE)
168 				PRINTF(" loose");
169 			PRINTF(" )");
170 		}
171 	}
172 	PRINTF("\n");
173 
174 	if ((opts & OPT_VERBOSE) != 0) {
175 		PRINTF("\tref %d", sp->is_ref);
176 		PRINTF(" pkt_flags & %x(%x) = %x\n",
177 			sp->is_flags & 0xf, sp->is_flags, sp->is_flags >> 4);
178 		PRINTF("\tpkt_options & %x = %x, %x = %x \n", sp->is_optmsk[0],
179 			sp->is_opt[0], sp->is_optmsk[1], sp->is_opt[1]);
180 		PRINTF("\tpkt_security & %x = %x, pkt_auth & %x = %x\n",
181 			sp->is_secmsk, sp->is_sec, sp->is_authmsk,
182 			sp->is_auth);
183 		PRINTF("\tis_flx %#x %#x %#x %#x\n", sp->is_flx[0][0],
184 			sp->is_flx[0][1], sp->is_flx[1][0], sp->is_flx[1][1]);
185 	}
186 	PRINTF("\tinterfaces: in %s", FORMAT_IF(sp->is_ifname[0]));
187 	if (opts & OPT_DEBUG)
188 		PRINTF("/%p", sp->is_ifp[0]);
189 	PRINTF(",%s", FORMAT_IF(sp->is_ifname[1]));
190 	if (opts & OPT_DEBUG)
191 		PRINTF("/%p", sp->is_ifp[1]);
192 	PRINTF(" out %s", FORMAT_IF(sp->is_ifname[2]));
193 	if (opts & OPT_DEBUG)
194 		PRINTF("/%p", sp->is_ifp[2]);
195 	PRINTF(",%s", FORMAT_IF(sp->is_ifname[3]));
196 	if (opts & OPT_DEBUG)
197 		PRINTF("/%p", sp->is_ifp[3]);
198 	PRINTF("\n");
199 
200 	PRINTF("\tSync status: ");
201 	if (sp->is_sync != NULL) {
202 		if (kmemcpy((char *)&ipsync, (u_long)sp->is_sync,
203 			    sizeof(ipsync))) {
204 			PRINTF("status could not be retrieved\n");
205 			return (NULL);
206 		}
207 
208 		PRINTF("idx %d num %d v %d pr %d rev %d\n",
209 			ipsync.sl_idx, ipsync.sl_num, ipsync.sl_v,
210 			ipsync.sl_p, ipsync.sl_rev);
211 	} else {
212 		PRINTF("not synchronized\n");
213 	}
214 
215 	return (sp->is_next);
216 }
217