Annotation of src/usr.bin/systat/pftop.c, Revision 1.39
1.39 ! mikeb 1: /* $OpenBSD: pftop.c,v 1.38 2017/05/16 22:29:07 mikeb Exp $ */
1.1 canacar 2: /*
3: * Copyright (c) 2001, 2007 Can Erkin Acar
4: * Copyright (c) 2001 Daniel Hartmeier
5: * All rights reserved.
6: *
7: * Redistribution and use in source and binary forms, with or without
8: * modification, are permitted provided that the following conditions
9: * are met:
10: *
11: * - Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * - Redistributions in binary form must reproduce the above
14: * copyright notice, this list of conditions and the following
15: * disclaimer in the documentation and/or other materials provided
16: * with the distribution.
17: *
18: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19: * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20: * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
21: * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
22: * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
23: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
24: * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25: * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
26: * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
28: * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29: * POSSIBILITY OF SUCH DAMAGE.
30: *
31: */
32:
33: #include <sys/types.h>
34: #include <sys/ioctl.h>
35: #include <sys/socket.h>
36:
37: #include <net/if.h>
38: #include <netinet/in.h>
1.8 mcbride 39: #include <netinet/tcp.h>
1.1 canacar 40: #include <netinet/tcp_fsm.h>
41: #include <net/pfvar.h>
42: #include <arpa/inet.h>
43:
1.22 henning 44: #include <net/hfsc.h>
45:
1.1 canacar 46: #include <ctype.h>
47: #include <curses.h>
48: #include <err.h>
49: #include <errno.h>
50: #include <fcntl.h>
51: #include <netdb.h>
52: #include <signal.h>
53: #include <stdio.h>
54: #include <stdlib.h>
55: #include <string.h>
56: #include <unistd.h>
1.30 deraadt 57: #include <limits.h>
1.1 canacar 58: #include <stdarg.h>
59:
1.6 canacar 60: #include "systat.h"
1.1 canacar 61: #include "engine.h"
62: #include "cache.h"
63:
64: extern const char *tcpstates[];
65:
66: #define MIN_NUM_STATES 1024
67: #define NUM_STATE_INC 1024
68:
69: #define DEFAULT_CACHE_SIZE 10000
70:
71: /* XXX must also check type before use */
72: #define PT_ADDR(x) (&(x)->addr.v.a.addr)
73:
74: /* XXX must also check type before use */
75: #define PT_MASK(x) (&(x)->addr.v.a.mask)
76:
77: #define PT_NOROUTE(x) ((x)->addr.type == PF_ADDR_NOROUTE)
78:
79: /* view management */
80: int select_states(void);
81: int read_states(void);
82: void sort_states(void);
83: void print_states(void);
84:
85: int select_rules(void);
86: int read_rules(void);
87: void print_rules(void);
88:
89: int select_queues(void);
90: int read_queues(void);
91: void print_queues(void);
92:
1.7 canacar 93: void update_cache(void);
94:
1.1 canacar 95: /* qsort callbacks */
96: int sort_size_callback(const void *s1, const void *s2);
97: int sort_exp_callback(const void *s1, const void *s2);
98: int sort_pkt_callback(const void *s1, const void *s2);
99: int sort_age_callback(const void *s1, const void *s2);
100: int sort_sa_callback(const void *s1, const void *s2);
101: int sort_sp_callback(const void *s1, const void *s2);
102: int sort_da_callback(const void *s1, const void *s2);
103: int sort_dp_callback(const void *s1, const void *s2);
104: int sort_rate_callback(const void *s1, const void *s2);
105: int sort_peak_callback(const void *s1, const void *s2);
106: int pf_dev = -1;
107:
108: struct sc_ent **state_cache = NULL;
1.4 canacar 109: struct pfsync_state *state_buf = NULL;
1.1 canacar 110: int state_buf_len = 0;
111: u_int32_t *state_ord = NULL;
112: u_int32_t num_states = 0;
113: u_int32_t num_states_all = 0;
114: u_int32_t num_rules = 0;
115: u_int32_t num_queues = 0;
116: int cachestates = 0;
117:
118: char *filter_string = NULL;
119:
120: #define MIN_LABEL_SIZE 5
121: #define ANCHOR_FLD_SIZE 12
122:
123: /* Define fields */
124: field_def fields[] = {
125: {"SRC", 20, 45, 1, FLD_ALIGN_LEFT, -1, 0, 0, 0},
126: {"DEST", 20, 45, 1, FLD_ALIGN_LEFT, -1, 0, 0, 0},
127: {"GW", 20, 45, 1, FLD_ALIGN_LEFT, -1, 0, 0, 0},
128: {"STATE", 5, 23, 18, FLD_ALIGN_COLUMN, -1, 0, 0, 0},
129: {"AGE", 5, 9, 4, FLD_ALIGN_RIGHT, -1, 0, 0, 0},
130: {"EXP", 5, 9, 4, FLD_ALIGN_RIGHT, -1, 0, 0, 0},
131: {"PR ", 4, 9, 1, FLD_ALIGN_LEFT, -1, 0, 0, 0},
132: {"DIR", 1, 3, 2, FLD_ALIGN_CENTER, -1, 0, 0, 0},
133: {"PKTS", 5, 8, 1, FLD_ALIGN_RIGHT, -1, 0, 0, 0},
134: {"BYTES", 5, 8, 1, FLD_ALIGN_RIGHT, -1, 0, 0, 0},
135: {"RULE", 2, 4, 1, FLD_ALIGN_RIGHT, -1, 0, 0, 0},
136: {"LABEL", MIN_LABEL_SIZE, MIN_LABEL_SIZE, 1, FLD_ALIGN_LEFT, -1, 0, 0, 0},
137: {"STATES", 5, 8, 1, FLD_ALIGN_RIGHT, -1, 0, 0, 0},
138: {"EVAL", 5, 8, 1, FLD_ALIGN_RIGHT, -1, 0, 0, 0},
139: {"ACTION", 1, 8, 4, FLD_ALIGN_LEFT, -1, 0, 0, 0},
140: {"LOG", 1, 3, 2, FLD_ALIGN_LEFT, -1, 0, 0, 0},
141: {"QUICK", 1, 1, 1, FLD_ALIGN_LEFT, -1, 0, 0, 0},
142: {"KS", 1, 1, 1, FLD_ALIGN_LEFT, -1, 0, 0, 0},
1.35 jasper 143: {"IF", 4, 7, 1, FLD_ALIGN_LEFT, -1, 0, 0, 0},
1.1 canacar 144: {"INFO", 40, 80, 1, FLD_ALIGN_LEFT, -1, 0, 0, 0},
1.4 canacar 145: {"MAX", 3, 5, 2, FLD_ALIGN_RIGHT, -1, 0, 0},
1.1 canacar 146: {"RATE", 5, 8, 1, FLD_ALIGN_RIGHT, -1, 0, 0, 0},
147: {"AVG", 5, 8, 1, FLD_ALIGN_RIGHT, -1, 0, 0, 0},
148: {"PEAK", 5, 8, 1, FLD_ALIGN_RIGHT, -1, 0, 0, 0},
1.4 canacar 149: {"ANCHOR", 6, 16, 1, FLD_ALIGN_LEFT, -1, 0, 0},
1.1 canacar 150: {"QUEUE", 15, 30, 1, FLD_ALIGN_LEFT, -1, 0, 0, 0},
1.39 ! mikeb 151: {"BW/FL", 4, 5, 1, FLD_ALIGN_RIGHT, -1, 0, 0, 0},
1.1 canacar 152: {"SCH", 3, 4, 1, FLD_ALIGN_LEFT, -1, 0, 0, 0},
153: {"DROP_P", 6, 8, 1, FLD_ALIGN_RIGHT, -1, 0, 0, 0},
154: {"DROP_B", 6, 8, 1, FLD_ALIGN_RIGHT, -1, 0, 0, 0},
155: {"QLEN", 4, 4, 1, FLD_ALIGN_RIGHT, -1, 0, 0, 0},
156: {"BORROW", 4, 6, 1, FLD_ALIGN_RIGHT, -1, 0, 0, 0},
157: {"SUSPENDS", 4, 6, 1, FLD_ALIGN_RIGHT, -1, 0, 0, 0},
158: {"P/S", 3, 7, 1, FLD_ALIGN_RIGHT, -1, 0, 0, 0},
159: {"B/S", 4, 7, 1, FLD_ALIGN_RIGHT, -1, 0, 0, 0}
160: };
161:
162:
163: /* for states */
1.18 jasper 164: #define FLD_SRC FIELD_ADDR(fields,0)
165: #define FLD_DEST FIELD_ADDR(fields,1)
166: #define FLD_GW FIELD_ADDR(fields,2)
167: #define FLD_STATE FIELD_ADDR(fields,3)
168: #define FLD_AGE FIELD_ADDR(fields,4)
169: #define FLD_EXP FIELD_ADDR(fields,5)
1.1 canacar 170: /* common */
1.18 jasper 171: #define FLD_PROTO FIELD_ADDR(fields,6)
172: #define FLD_DIR FIELD_ADDR(fields,7)
173: #define FLD_PKTS FIELD_ADDR(fields,8)
174: #define FLD_BYTES FIELD_ADDR(fields,9)
175: #define FLD_RULE FIELD_ADDR(fields,10)
1.1 canacar 176: /* for rules */
1.18 jasper 177: #define FLD_LABEL FIELD_ADDR(fields,11)
178: #define FLD_STATS FIELD_ADDR(fields,12)
179: #define FLD_EVAL FIELD_ADDR(fields,13)
180: #define FLD_ACTION FIELD_ADDR(fields,14)
181: #define FLD_LOG FIELD_ADDR(fields,15)
182: #define FLD_QUICK FIELD_ADDR(fields,16)
183: #define FLD_KST FIELD_ADDR(fields,17)
184: #define FLD_IF FIELD_ADDR(fields,18)
185: #define FLD_RINFO FIELD_ADDR(fields,19)
186: #define FLD_STMAX FIELD_ADDR(fields,20)
1.1 canacar 187: /* other */
1.18 jasper 188: #define FLD_SI FIELD_ADDR(fields,21) /* instantaneous speed */
189: #define FLD_SA FIELD_ADDR(fields,22) /* average speed */
190: #define FLD_SP FIELD_ADDR(fields,23) /* peak speed */
191: #define FLD_ANCHOR FIELD_ADDR(fields,24)
1.1 canacar 192: /* for queues */
1.18 jasper 193: #define FLD_QUEUE FIELD_ADDR(fields,25)
194: #define FLD_BANDW FIELD_ADDR(fields,26)
195: #define FLD_SCHED FIELD_ADDR(fields,27)
1.37 mikeb 196: #define FLD_DROPP FIELD_ADDR(fields,28)
197: #define FLD_DROPB FIELD_ADDR(fields,29)
198: #define FLD_QLEN FIELD_ADDR(fields,30)
199: #define FLD_BORR FIELD_ADDR(fields,31)
200: #define FLD_SUSP FIELD_ADDR(fields,32)
201: #define FLD_PKTSPS FIELD_ADDR(fields,33)
202: #define FLD_BYTESPS FIELD_ADDR(fields,34)
1.1 canacar 203:
204: /* Define views */
205: field_def *view0[] = {
206: FLD_PROTO, FLD_DIR, FLD_SRC, FLD_DEST, FLD_STATE,
207: FLD_AGE, FLD_EXP, FLD_PKTS, FLD_BYTES, NULL
208: };
209:
210: field_def *view1[] = {
211: FLD_PROTO, FLD_DIR, FLD_SRC, FLD_DEST, FLD_GW, FLD_STATE, FLD_AGE,
212: FLD_EXP, FLD_PKTS, FLD_BYTES, FLD_SI, FLD_SP, FLD_SA, FLD_RULE, NULL
213: };
214:
215: field_def *view2[] = {
216: FLD_PROTO, FLD_DIR, FLD_SRC, FLD_DEST, FLD_STATE, FLD_AGE, FLD_EXP,
217: FLD_PKTS, FLD_BYTES, FLD_SI, FLD_SP, FLD_SA, FLD_RULE, FLD_GW, NULL
218: };
219:
220: field_def *view3[] = {
221: FLD_PROTO, FLD_DIR, FLD_SRC, FLD_DEST, FLD_AGE, FLD_EXP, FLD_PKTS,
222: FLD_BYTES, FLD_STATE, FLD_SI, FLD_SP, FLD_SA, FLD_RULE, FLD_GW, NULL
223: };
224:
225: field_def *view4[] = {
226: FLD_PROTO, FLD_DIR, FLD_SRC, FLD_DEST, FLD_PKTS, FLD_BYTES, FLD_STATE,
227: FLD_AGE, FLD_EXP, FLD_SI, FLD_SP, FLD_SA, FLD_RULE, FLD_GW, NULL
228: };
229:
230: field_def *view5[] = {
231: FLD_RULE, FLD_ANCHOR, FLD_ACTION, FLD_DIR, FLD_LOG, FLD_QUICK, FLD_IF,
232: FLD_PROTO, FLD_KST, FLD_PKTS, FLD_BYTES, FLD_STATS, FLD_STMAX,
233: FLD_RINFO, NULL
234: };
235:
236: field_def *view6[] = {
237: FLD_RULE, FLD_LABEL, FLD_PKTS, FLD_BYTES, FLD_STATS, FLD_STMAX,
238: FLD_ACTION, FLD_DIR, FLD_LOG, FLD_QUICK, FLD_IF, FLD_PROTO,
239: FLD_ANCHOR, FLD_KST, NULL
240: };
241:
242: field_def *view7[] = {
243: FLD_PROTO, FLD_DIR, FLD_SRC, FLD_DEST, FLD_SI, FLD_SP, FLD_SA,
244: FLD_BYTES, FLD_STATE, FLD_PKTS, FLD_AGE, FLD_EXP, FLD_RULE, FLD_GW, NULL
245: };
246:
247: field_def *view8[] = {
1.37 mikeb 248: FLD_QUEUE, FLD_BANDW, FLD_SCHED, FLD_PKTS, FLD_BYTES,
1.1 canacar 249: FLD_DROPP, FLD_DROPB, FLD_QLEN, FLD_BORR, FLD_SUSP, FLD_PKTSPS,
250: FLD_BYTESPS, NULL
251: };
252:
253: /* Define orderings */
254: order_type order_list[] = {
255: {"none", "none", 'N', NULL},
256: {"bytes", "bytes", 'B', sort_size_callback},
257: {"expiry", "exp", 'E', sort_exp_callback},
258: {"packets", "pkt", 'P', sort_pkt_callback},
259: {"age", "age", 'A', sort_age_callback},
260: {"source addr", "src", 'F', sort_sa_callback},
261: {"dest. addr", "dest", 'T', sort_da_callback},
262: {"source port", "sport", 'S', sort_sp_callback},
263: {"dest. port", "dport", 'D', sort_dp_callback},
264: {"rate", "rate", 'R', sort_rate_callback},
265: {"peak", "peak", 'K', sort_peak_callback},
266: {NULL, NULL, 0, NULL}
267: };
268:
269: /* Define view managers */
270: struct view_manager state_mgr = {
271: "States", select_states, read_states, sort_states, print_header,
272: print_states, keyboard_callback, order_list, NULL
273: };
274:
275: struct view_manager rule_mgr = {
276: "Rules", select_rules, read_rules, NULL, print_header,
277: print_rules, keyboard_callback, NULL, NULL
278: };
279:
280: struct view_manager queue_mgr = {
281: "Queues", select_queues, read_queues, NULL, print_header,
282: print_queues, keyboard_callback, NULL, NULL
283: };
284:
285: field_view views[] = {
286: {view2, "states", '8', &state_mgr},
287: {view5, "rules", '9', &rule_mgr},
288: {view8, "queues", 'Q', &queue_mgr},
289: {NULL, NULL, 0, NULL}
290: };
291:
1.22 henning 292: /* queue structures from pfctl */
293:
294: struct queue_stats {
295: struct hfsc_class_stats data;
296: int valid;
297: struct timeval timestamp;
298: };
299:
300: struct pfctl_queue_node {
301: TAILQ_ENTRY(pfctl_queue_node) entries;
302: struct pf_queuespec qs;
303: struct queue_stats qstats;
304: struct queue_stats qstats_last;
305: int depth;
306: };
307: TAILQ_HEAD(qnodes, pfctl_queue_node) qnodes = TAILQ_HEAD_INITIALIZER(qnodes);
1.1 canacar 308:
309: /* ordering functions */
310:
311: int
312: sort_size_callback(const void *s1, const void *s2)
313: {
314: u_int64_t b1 = COUNTER(state_buf[* (u_int32_t *) s1].bytes[0]) +
315: COUNTER(state_buf[* (u_int32_t *) s1].bytes[1]);
316: u_int64_t b2 = COUNTER(state_buf[* (u_int32_t *) s2].bytes[0]) +
317: COUNTER(state_buf[* (u_int32_t *) s2].bytes[1]);
318: if (b2 > b1)
319: return sortdir;
320: if (b2 < b1)
321: return -sortdir;
322: return 0;
323: }
324:
325: int
326: sort_pkt_callback(const void *s1, const void *s2)
327: {
328: u_int64_t p1 = COUNTER(state_buf[* (u_int32_t *) s1].packets[0]) +
329: COUNTER(state_buf[* (u_int32_t *) s1].packets[1]);
330: u_int64_t p2 = COUNTER(state_buf[* (u_int32_t *) s2].packets[0]) +
331: COUNTER(state_buf[* (u_int32_t *) s2].packets[1]);
332: if (p2 > p1)
333: return sortdir;
334: if (p2 < p1)
335: return -sortdir;
336: return 0;
337: }
338:
339: int
340: sort_age_callback(const void *s1, const void *s2)
341: {
1.3 mcbride 342: if (ntohl(state_buf[* (u_int32_t *) s2].creation) >
343: ntohl(state_buf[* (u_int32_t *) s1].creation))
1.1 canacar 344: return sortdir;
1.3 mcbride 345: if (ntohl(state_buf[* (u_int32_t *) s2].creation) <
346: ntohl(state_buf[* (u_int32_t *) s1].creation))
1.1 canacar 347: return -sortdir;
348: return 0;
349: }
350:
351: int
352: sort_exp_callback(const void *s1, const void *s2)
353: {
1.3 mcbride 354: if (ntohl(state_buf[* (u_int32_t *) s2].expire) >
355: ntohl(state_buf[* (u_int32_t *) s1].expire))
1.1 canacar 356: return sortdir;
1.3 mcbride 357: if (ntohl(state_buf[* (u_int32_t *) s2].expire) <
358: ntohl(state_buf[* (u_int32_t *) s1].expire))
1.1 canacar 359: return -sortdir;
360: return 0;
361: }
362:
363: int
364: sort_rate_callback(const void *s1, const void *s2)
365: {
366: struct sc_ent *e1 = state_cache[* (u_int32_t *) s1];
367: struct sc_ent *e2 = state_cache[* (u_int32_t *) s2];
368:
369: if (e1 == NULL)
370: return sortdir;
371: if (e2 == NULL)
372: return -sortdir;
1.26 sthen 373:
1.1 canacar 374: if (e2->rate > e1 -> rate)
375: return sortdir;
376: if (e2->rate < e1 -> rate)
377: return -sortdir;
378: return 0;
379: }
380:
381: int
382: sort_peak_callback(const void *s1, const void *s2)
383: {
384: struct sc_ent *e1 = state_cache[* (u_int32_t *) s1];
385: struct sc_ent *e2 = state_cache[* (u_int32_t *) s2];
386:
387: if (e2 == NULL)
388: return -sortdir;
389: if (e1 == NULL || e2 == NULL)
390: return 0;
1.26 sthen 391:
1.1 canacar 392: if (e2->peak > e1 -> peak)
393: return sortdir;
394: if (e2->peak < e1 -> peak)
395: return -sortdir;
396: return 0;
397: }
398:
399: int
400: compare_addr(int af, const struct pf_addr *a, const struct pf_addr *b)
401: {
402: switch (af) {
403: case AF_INET:
404: if (ntohl(a->addr32[0]) > ntohl(b->addr32[0]))
405: return 1;
406: if (a->addr32[0] != b->addr32[0])
407: return -1;
408: break;
409: case AF_INET6:
410: if (ntohl(a->addr32[0]) > ntohl(b->addr32[0]))
411: return 1;
412: if (a->addr32[0] != b->addr32[0])
413: return -1;
414: if (ntohl(a->addr32[1]) > ntohl(b->addr32[1]))
415: return 1;
416: if (a->addr32[1] != b->addr32[1])
417: return -1;
418: if (ntohl(a->addr32[2]) > ntohl(b->addr32[2]))
419: return 1;
420: if (a->addr32[2] != b->addr32[2])
421: return -1;
422: if (ntohl(a->addr32[3]) > ntohl(b->addr32[3]))
423: return 1;
424: if (a->addr32[3] != b->addr32[3])
425: return -1;
426: break;
427: }
1.26 sthen 428:
1.1 canacar 429: return 0;
430: }
431:
1.13 jsg 432: static __inline int
1.4 canacar 433: sort_addr_callback(const struct pfsync_state *s1,
434: const struct pfsync_state *s2, int dir)
1.1 canacar 435: {
436: const struct pf_addr *aa, *ab;
437: u_int16_t pa, pb;
1.20 claudio 438: int af, side, ret, ii, io;
1.1 canacar 439:
1.20 claudio 440: side = s1->direction == PF_IN ? PF_SK_STACK : PF_SK_WIRE;
1.1 canacar 441:
1.20 claudio 442: if (s1->key[side].af > s2->key[side].af)
1.1 canacar 443: return sortdir;
1.20 claudio 444: if (s1->key[side].af < s2->key[side].af)
1.1 canacar 445: return -sortdir;
1.20 claudio 446:
1.26 sthen 447: ii = io = 0;
1.1 canacar 448:
449: if (dir == PF_OUT) /* looking for source addr */
450: io = 1;
451: else /* looking for dest addr */
452: ii = 1;
1.20 claudio 453:
454: if (s1->key[PF_SK_STACK].af != s1->key[PF_SK_WIRE].af) {
455: dir = PF_OUT;
456: side = PF_SK_STACK;
457: } else {
458: dir = s1->direction;
459: side = PF_SK_WIRE;
460: }
461:
462: if (dir == PF_IN) {
1.1 canacar 463: aa = &s1->key[PF_SK_STACK].addr[ii];
464: pa = s1->key[PF_SK_STACK].port[ii];
1.20 claudio 465: af = s1->key[PF_SK_STACK].af;
466: } else {
467: aa = &s1->key[side].addr[io];
468: pa = s1->key[side].port[io];
469: af = s1->key[side].af;
470: }
471:
472: if (s2->key[PF_SK_STACK].af != s2->key[PF_SK_WIRE].af) {
473: dir = PF_OUT;
474: side = PF_SK_STACK;
1.1 canacar 475: } else {
1.20 claudio 476: dir = s2->direction;
477: side = PF_SK_WIRE;
1.1 canacar 478: }
479:
1.20 claudio 480: if (dir == PF_IN) {
1.16 deraadt 481: ab = &s2->key[PF_SK_STACK].addr[ii];
1.1 canacar 482: pb = s2->key[PF_SK_STACK].port[ii];
1.20 claudio 483: af = s1->key[PF_SK_STACK].af;
1.1 canacar 484: } else {
1.20 claudio 485: ab = &s2->key[side].addr[io];
486: pb = s2->key[side].port[io];
487: af = s1->key[side].af;
1.1 canacar 488: }
489:
490: ret = compare_addr(af, aa, ab);
491: if (ret)
492: return ret * sortdir;
493:
494: if (ntohs(pa) > ntohs(pb))
495: return sortdir;
496: return -sortdir;
497: }
498:
1.13 jsg 499: static __inline int
1.4 canacar 500: sort_port_callback(const struct pfsync_state *s1,
501: const struct pfsync_state *s2, int dir)
1.1 canacar 502: {
503: const struct pf_addr *aa, *ab;
504: u_int16_t pa, pb;
1.20 claudio 505: int af, side, ret, ii, io;
1.1 canacar 506:
1.20 claudio 507: side = s1->direction == PF_IN ? PF_SK_STACK : PF_SK_WIRE;
1.1 canacar 508:
1.20 claudio 509: if (s1->key[side].af > s2->key[side].af)
1.1 canacar 510: return sortdir;
1.20 claudio 511: if (s1->key[side].af < s2->key[side].af)
1.1 canacar 512: return -sortdir;
1.20 claudio 513:
1.26 sthen 514: ii = io = 0;
1.1 canacar 515:
516: if (dir == PF_OUT) /* looking for source addr */
517: io = 1;
518: else /* looking for dest addr */
519: ii = 1;
1.20 claudio 520:
521: if (s1->key[PF_SK_STACK].af != s1->key[PF_SK_WIRE].af) {
522: dir = PF_OUT;
523: side = PF_SK_STACK;
524: } else {
525: dir = s1->direction;
526: side = PF_SK_WIRE;
527: }
528:
529: if (dir == PF_IN) {
1.1 canacar 530: aa = &s1->key[PF_SK_STACK].addr[ii];
531: pa = s1->key[PF_SK_STACK].port[ii];
1.20 claudio 532: af = s1->key[PF_SK_STACK].af;
1.1 canacar 533: } else {
1.20 claudio 534: aa = &s1->key[side].addr[io];
535: pa = s1->key[side].port[io];
536: af = s1->key[side].af;
1.1 canacar 537: }
538:
1.20 claudio 539: if (s2->key[PF_SK_STACK].af != s2->key[PF_SK_WIRE].af) {
540: dir = PF_OUT;
541: side = PF_SK_STACK;
542: } else {
543: dir = s2->direction;
544: side = PF_SK_WIRE;
545: }
546:
547: if (dir == PF_IN) {
1.16 deraadt 548: ab = &s2->key[PF_SK_STACK].addr[ii];
1.1 canacar 549: pb = s2->key[PF_SK_STACK].port[ii];
1.20 claudio 550: af = s1->key[PF_SK_STACK].af;
1.1 canacar 551: } else {
1.20 claudio 552: ab = &s2->key[side].addr[io];
553: pb = s2->key[side].port[io];
554: af = s1->key[side].af;
1.1 canacar 555: }
556:
557:
558: if (ntohs(pa) > ntohs(pb))
559: return sortdir;
560: if (ntohs(pa) < ntohs(pb))
561: return - sortdir;
562:
563: ret = compare_addr(af, aa, ab);
564: if (ret)
565: return ret * sortdir;
566: return -sortdir;
567: }
568:
569: int
1.4 canacar 570: sort_sa_callback(const void *p1, const void *p2)
1.1 canacar 571: {
1.4 canacar 572: struct pfsync_state *s1 = state_buf + (* (u_int32_t *) p1);
573: struct pfsync_state *s2 = state_buf + (* (u_int32_t *) p2);
574: return sort_addr_callback(s1, s2, PF_OUT);
1.1 canacar 575: }
576:
577: int
1.4 canacar 578: sort_da_callback(const void *p1, const void *p2)
1.1 canacar 579: {
1.4 canacar 580: struct pfsync_state *s1 = state_buf + (* (u_int32_t *) p1);
581: struct pfsync_state *s2 = state_buf + (* (u_int32_t *) p2);
1.1 canacar 582: return sort_addr_callback(s1, s2, PF_IN);
583: }
584:
585: int
586: sort_sp_callback(const void *p1, const void *p2)
587: {
1.4 canacar 588: struct pfsync_state *s1 = state_buf + (* (u_int32_t *) p1);
589: struct pfsync_state *s2 = state_buf + (* (u_int32_t *) p2);
1.1 canacar 590: return sort_port_callback(s1, s2, PF_OUT);
591: }
592:
593: int
594: sort_dp_callback(const void *p1, const void *p2)
595: {
1.4 canacar 596: struct pfsync_state *s1 = state_buf + (* (u_int32_t *) p1);
597: struct pfsync_state *s2 = state_buf + (* (u_int32_t *) p2);
1.1 canacar 598: return sort_port_callback(s1, s2, PF_IN);
599: }
600:
601: void
602: sort_states(void)
603: {
604: order_type *ordering;
605:
606: if (curr_mgr == NULL)
607: return;
608:
609: ordering = curr_mgr->order_curr;
610:
611: if (ordering == NULL)
612: return;
613: if (ordering->func == NULL)
614: return;
615: if (state_buf == NULL)
616: return;
617: if (num_states <= 0)
618: return;
619:
620: mergesort(state_ord, num_states, sizeof(u_int32_t), ordering->func);
621: }
622:
623: /* state management functions */
624:
625: void
626: alloc_buf(int ns)
627: {
628: int len;
629:
630: if (ns < MIN_NUM_STATES)
631: ns = MIN_NUM_STATES;
632:
633: len = ns;
634:
635: if (len >= state_buf_len) {
636: len += NUM_STATE_INC;
1.29 doug 637: state_buf = reallocarray(state_buf, len,
638: sizeof(struct pfsync_state));
639: state_ord = reallocarray(state_ord, len, sizeof(u_int32_t));
640: state_cache = reallocarray(state_cache, len,
641: sizeof(struct sc_ent *));
1.1 canacar 642: if (state_buf == NULL || state_ord == NULL ||
643: state_cache == NULL)
644: err(1, "realloc");
645: state_buf_len = len;
646: }
647: }
648:
649: int
650: select_states(void)
651: {
652: num_disp = num_states;
653: return (0);
654: }
655:
656: int
657: read_states(void)
658: {
659: struct pfioc_states ps;
660: int n;
661:
662: if (pf_dev == -1)
663: return -1;
664:
665: for (;;) {
1.4 canacar 666: int sbytes = state_buf_len * sizeof(struct pfsync_state);
1.1 canacar 667:
668: ps.ps_len = sbytes;
669: ps.ps_buf = (char *) state_buf;
670:
671: if (ioctl(pf_dev, DIOCGETSTATES, &ps) < 0) {
672: error("DIOCGETSTATES");
673: }
1.4 canacar 674: num_states_all = ps.ps_len / sizeof(struct pfsync_state);
1.1 canacar 675:
676: if (ps.ps_len < sbytes)
677: break;
678:
679: alloc_buf(num_states_all);
680: }
681:
682: num_states = num_states_all;
683: for (n = 0; n<num_states_all; n++)
684: state_ord[n] = n;
685:
686: if (cachestates) {
687: for (n = 0; n < num_states; n++)
688: state_cache[n] = cache_state(state_buf + n);
689: cache_endupdate();
690: }
691:
692: num_disp = num_states;
693: return 0;
694: }
695:
696: int
697: unmask(struct pf_addr * m, u_int8_t af)
698: {
699: int i = 31, j = 0, b = 0, msize;
700: u_int32_t tmp;
701:
702: if (af == AF_INET)
703: msize = 1;
704: else
705: msize = 4;
706: while (j < msize && m->addr32[j] == 0xffffffff) {
707: b += 32;
708: j++;
709: }
710: if (j < msize) {
711: tmp = ntohl(m->addr32[j]);
712: for (i = 31; tmp & (1 << i); --i)
713: b++;
714: }
715: return (b);
716: }
717:
718: /* display functions */
719:
720: void
721: tb_print_addr(struct pf_addr * addr, struct pf_addr * mask, int af)
722: {
1.26 sthen 723: switch (af) {
724: case AF_INET: {
1.15 giovanni 725: tbprintf("%s", inetname(addr->v4));
726: break;
1.26 sthen 727: }
728: case AF_INET6: {
1.15 giovanni 729: tbprintf("%s", inet6name(&addr->v6));
730: break;
1.26 sthen 731: }
1.15 giovanni 732: }
1.1 canacar 733:
734: if (mask != NULL) {
735: if (!PF_AZERO(mask, af))
736: tbprintf("/%u", unmask(mask, af));
737: }
738: }
1.4 canacar 739:
1.1 canacar 740: void
741: print_fld_host2(field_def *fld, struct pfsync_state_key *ks,
1.20 claudio 742: struct pfsync_state_key *kn, int idx)
1.1 canacar 743: {
744: struct pf_addr *as = &ks->addr[idx];
745: struct pf_addr *an = &kn->addr[idx];
746:
747: u_int16_t ps = ntohs(ks->port[idx]);
748: u_int16_t pn = ntohs(kn->port[idx]);
749:
1.20 claudio 750: int asf = ks->af;
751: int anf = kn->af;
752:
1.1 canacar 753: if (fld == NULL)
754: return;
755:
756: if (fld->width < 3) {
757: print_fld_str(fld, "*");
758: return;
759: }
760:
761: tb_start();
1.20 claudio 762: tb_print_addr(as, NULL, asf);
1.1 canacar 763:
1.20 claudio 764: if (asf == AF_INET)
1.1 canacar 765: tbprintf(":%u", ps);
766: else
767: tbprintf("[%u]", ps);
768:
769: print_fld_tb(fld);
770:
1.20 claudio 771: if (asf != anf || PF_ANEQ(as, an, asf) || ps != pn) {
1.1 canacar 772: tb_start();
1.20 claudio 773: tb_print_addr(an, NULL, anf);
1.1 canacar 774:
1.20 claudio 775: if (anf == AF_INET)
1.1 canacar 776: tbprintf(":%u", pn);
777: else
778: tbprintf("[%u]", pn);
779: print_fld_tb(FLD_GW);
780: }
781:
782: }
783:
784: void
785: print_fld_state(field_def *fld, unsigned int proto,
786: unsigned int s1, unsigned int s2)
787: {
788: int len;
1.26 sthen 789:
1.1 canacar 790: if (fld == NULL)
791: return;
792:
793: len = fld->width;
794: if (len < 1)
795: return;
1.26 sthen 796:
1.1 canacar 797: tb_start();
798:
799: if (proto == IPPROTO_TCP) {
800: if (s1 <= TCPS_TIME_WAIT && s2 <= TCPS_TIME_WAIT)
801: tbprintf("%s:%s", tcpstates[s1], tcpstates[s2]);
802: #ifdef PF_TCPS_PROXY_SRC
803: else if (s1 == PF_TCPS_PROXY_SRC ||
804: s2 == PF_TCPS_PROXY_SRC)
805: tbprintf("PROXY:SRC\n");
806: else if (s1 == PF_TCPS_PROXY_DST ||
807: s2 == PF_TCPS_PROXY_DST)
808: tbprintf("PROXY:DST\n");
809: #endif
810: else
811: tbprintf("<BAD STATE LEVELS>");
812: } else if (proto == IPPROTO_UDP && s1 < PFUDPS_NSTATES &&
813: s2 < PFUDPS_NSTATES) {
814: const char *states[] = PFUDPS_NAMES;
815: tbprintf("%s:%s", states[s1], states[s2]);
816: } else if (proto != IPPROTO_ICMP && s1 < PFOTHERS_NSTATES &&
817: s2 < PFOTHERS_NSTATES) {
818: /* XXX ICMP doesn't really have state levels */
819: const char *states[] = PFOTHERS_NAMES;
820: tbprintf("%s:%s", states[s1], states[s2]);
821: } else {
822: tbprintf("%u:%u", s1, s2);
823: }
824:
825: if (strlen(tmp_buf) > len) {
826: tb_start();
827: tbprintf("%u:%u", s1, s2);
828: }
829:
830: print_fld_tb(fld);
831: }
832:
833: int
1.4 canacar 834: print_state(struct pfsync_state * s, struct sc_ent * ent)
1.1 canacar 835: {
1.4 canacar 836: struct pfsync_state_peer *src, *dst;
1.1 canacar 837: struct protoent *p;
1.4 canacar 838: u_int64_t sz;
1.20 claudio 839: int afto, dir;
840:
841: afto = s->key[PF_SK_STACK].af == s->key[PF_SK_WIRE].af ? 0 : 1;
842: dir = afto ? PF_OUT : s->direction;
1.1 canacar 843:
1.20 claudio 844: if (dir == PF_OUT) {
1.1 canacar 845: src = &s->src;
846: dst = &s->dst;
847: } else {
848: src = &s->dst;
849: dst = &s->src;
850: }
851:
852: p = getprotobynumber(s->proto);
853:
854: if (p != NULL)
855: print_fld_str(FLD_PROTO, p->p_name);
856: else
857: print_fld_uint(FLD_PROTO, s->proto);
858:
1.20 claudio 859: if (dir == PF_OUT) {
860: print_fld_host2(FLD_SRC,
861: &s->key[afto ? PF_SK_STACK : PF_SK_WIRE],
862: &s->key[PF_SK_STACK], 1);
863: print_fld_host2(FLD_DEST,
864: &s->key[afto ? PF_SK_STACK : PF_SK_WIRE],
865: &s->key[afto ? PF_SK_WIRE : PF_SK_STACK], 0);
1.1 canacar 866: } else {
867: print_fld_host2(FLD_SRC, &s->key[PF_SK_STACK],
1.20 claudio 868: &s->key[PF_SK_WIRE], 0);
1.1 canacar 869: print_fld_host2(FLD_DEST, &s->key[PF_SK_STACK],
1.20 claudio 870: &s->key[PF_SK_WIRE], 1);
1.1 canacar 871: }
872:
1.20 claudio 873: if (dir == PF_OUT)
1.1 canacar 874: print_fld_str(FLD_DIR, "Out");
875: else
876: print_fld_str(FLD_DIR, "In");
877:
878: print_fld_state(FLD_STATE, s->proto, src->state, dst->state);
1.3 mcbride 879: print_fld_age(FLD_AGE, ntohl(s->creation));
880: print_fld_age(FLD_EXP, ntohl(s->expire));
1.4 canacar 881:
882: sz = COUNTER(s->bytes[0]) + COUNTER(s->bytes[1]);
883:
884: print_fld_size(FLD_PKTS, COUNTER(s->packets[0]) +
885: COUNTER(s->packets[1]));
886: print_fld_size(FLD_BYTES, sz);
1.3 mcbride 887: print_fld_rate(FLD_SA, (s->creation) ?
1.33 canacar 888: ((double)sz/(double)ntohl(s->creation)) : -1);
1.1 canacar 889:
1.9 canacar 890: print_fld_uint(FLD_RULE, ntohl(s->rule));
1.1 canacar 891: if (cachestates && ent != NULL) {
892: print_fld_rate(FLD_SI, ent->rate);
893: print_fld_rate(FLD_SP, ent->peak);
894: }
895:
896: end_line();
897: return 1;
898: }
899:
900: void
901: print_states(void)
902: {
903: int n, count = 0;
904:
905: for (n = dispstart; n < num_disp; n++) {
906: count += print_state(state_buf + state_ord[n],
907: state_cache[state_ord[n]]);
908: if (maxprint > 0 && count >= maxprint)
909: break;
910: }
911: }
912:
913: /* rule display */
914:
915: struct pf_rule *rules = NULL;
916: u_int32_t alloc_rules = 0;
917:
918: int
919: select_rules(void)
920: {
921: num_disp = num_rules;
922: return (0);
923: }
924:
925:
926: void
927: add_rule_alloc(u_int32_t nr)
928: {
929: if (nr == 0)
930: return;
931:
932: num_rules += nr;
933:
934: if (rules == NULL) {
1.29 doug 935: rules = reallocarray(NULL, num_rules, sizeof(struct pf_rule));
1.1 canacar 936: if (rules == NULL)
937: err(1, "malloc");
938: alloc_rules = num_rules;
939: } else if (num_rules > alloc_rules) {
1.29 doug 940: rules = reallocarray(rules, num_rules, sizeof(struct pf_rule));
1.1 canacar 941: if (rules == NULL)
942: err(1, "realloc");
943: alloc_rules = num_rules;
944: }
945: }
946:
947: int label_length;
948:
949: int
950: read_anchor_rules(char *anchor)
951: {
952: struct pfioc_rule pr;
953: u_int32_t nr, num, off;
1.4 canacar 954: int len;
1.1 canacar 955:
956: if (pf_dev < 0)
957: return (-1);
958:
959: memset(&pr, 0, sizeof(pr));
960: strlcpy(pr.anchor, anchor, sizeof(pr.anchor));
1.4 canacar 961:
1.1 canacar 962: if (ioctl(pf_dev, DIOCGETRULES, &pr)) {
963: error("anchor %s: %s", anchor, strerror(errno));
964: return (-1);
965: }
966:
967: off = num_rules;
968: num = pr.nr;
969: add_rule_alloc(num);
970:
971: for (nr = 0; nr < num; ++nr) {
972: pr.nr = nr;
973: if (ioctl(pf_dev, DIOCGETRULE, &pr)) {
974: error("DIOCGETRULE: %s", strerror(errno));
975: return (-1);
976: }
977: /* XXX overload pr.anchor, to store a pointer to
978: * anchor name */
979: pr.rule.anchor = (struct pf_anchor *) anchor;
1.4 canacar 980: len = strlen(pr.rule.label);
981: if (len > label_length)
982: label_length = len;
1.1 canacar 983: rules[off + nr] = pr.rule;
984: }
985:
986: return (num);
987: }
988:
989: struct anchor_name {
1.30 deraadt 990: char name[PATH_MAX];
1.1 canacar 991: struct anchor_name *next;
992: u_int32_t ref;
993: };
994:
995: struct anchor_name *anchor_root = NULL;
996: struct anchor_name *anchor_end = NULL;
997: struct anchor_name *anchor_free = NULL;
998:
999: struct anchor_name*
1000: alloc_anchor_name(const char *path)
1001: {
1002: struct anchor_name *a;
1003:
1004: a = anchor_free;
1005: if (a == NULL) {
1.32 deraadt 1006: a = malloc(sizeof(struct anchor_name));
1.1 canacar 1007: if (a == NULL)
1008: return (NULL);
1009: } else
1010: anchor_free = a->next;
1011:
1012: if (anchor_root == NULL)
1013: anchor_end = a;
1014:
1015: a->next = anchor_root;
1016: anchor_root = a;
1017:
1018: a->ref = 0;
1019: strlcpy(a->name, path, sizeof(a->name));
1020: return (a);
1021: }
1022:
1023: void
1024: reset_anchor_names(void)
1025: {
1026: if (anchor_end == NULL)
1027: return;
1028:
1029: anchor_end->next = anchor_free;
1030: anchor_free = anchor_root;
1031: anchor_root = anchor_end = NULL;
1032: }
1033:
1034: struct pfioc_ruleset ruleset;
1035: char *rs_end = NULL;
1036:
1037: int
1038: read_rulesets(const char *path)
1039: {
1040: char *pre;
1041: struct anchor_name *a;
1042: u_int32_t nr, ns;
1043: int len;
1044:
1045: if (path == NULL)
1046: ruleset.path[0] = '\0';
1047: else if (strlcpy(ruleset.path, path, sizeof(ruleset.path)) >=
1048: sizeof(ruleset.path))
1049: return (-1);
1050:
1051: /* a persistent storage for anchor names */
1052: a = alloc_anchor_name(ruleset.path);
1053: if (a == NULL)
1054: return (-1);
1055:
1056: len = read_anchor_rules(a->name);
1057: if (len < 0)
1058: return (-1);
1059:
1060: a->ref += len;
1061:
1062: if (ioctl(pf_dev, DIOCGETRULESETS, &ruleset)) {
1063: error("DIOCGETRULESETS: %s", strerror(errno));
1064: return (-1);
1065: }
1066:
1067: ns = ruleset.nr;
1068:
1069: if (rs_end == NULL)
1070: rs_end = ruleset.path + sizeof(ruleset.path);
1071:
1072: /* 'pre' tracks the previous level on the anchor */
1073: pre = strchr(ruleset.path, 0);
1074: len = rs_end - pre;
1075: if (len < 1)
1076: return (-1);
1077: --len;
1078:
1079: for (nr = 0; nr < ns; ++nr) {
1080: ruleset.nr = nr;
1081: if (ioctl(pf_dev, DIOCGETRULESET, &ruleset)) {
1082: error("DIOCGETRULESET: %s", strerror(errno));
1083: return (-1);
1084: }
1085: *pre = '/';
1086: if (strlcpy(pre + 1, ruleset.name, len) < len)
1087: read_rulesets(ruleset.path);
1088: *pre = '\0';
1089: }
1090:
1091: return (0);
1092: }
1093:
1094: void
1095: compute_anchor_field(void)
1096: {
1097: struct anchor_name *a;
1098: int sum, cnt, mx, nx;
1099: sum = cnt = mx = 0;
1100:
1101: for (a = anchor_root; a != NULL; a = a->next, cnt++) {
1102: int len;
1103: if (a->ref == 0)
1104: continue;
1105: len = strlen(a->name);
1106: sum += len;
1107: if (len > mx)
1108: mx = len;
1109: }
1110:
1111: nx = sum/cnt;
1112: if (nx < ANCHOR_FLD_SIZE)
1113: nx = (mx < ANCHOR_FLD_SIZE) ? mx : ANCHOR_FLD_SIZE;
1114:
1115: if (FLD_ANCHOR->max_width != mx ||
1116: FLD_ANCHOR->norm_width != nx) {
1117: FLD_ANCHOR->max_width = mx;
1118: FLD_ANCHOR->norm_width = nx;
1119: field_setup();
1120: need_update = 1;
1121: }
1122: }
1123:
1124: int
1125: read_rules(void)
1126: {
1.4 canacar 1127: int ret, nw, mw;
1.1 canacar 1128: num_rules = 0;
1129:
1130: if (pf_dev == -1)
1131: return (-1);
1132:
1133: label_length = MIN_LABEL_SIZE;
1134:
1135: reset_anchor_names();
1136: ret = read_rulesets(NULL);
1137: compute_anchor_field();
1138:
1.4 canacar 1139: nw = mw = label_length;
1140: if (nw > 16)
1141: nw = 16;
1142:
1143: if (FLD_LABEL->norm_width != nw ||
1144: FLD_LABEL->max_width != mw) {
1145: FLD_LABEL->norm_width = nw;
1146: FLD_LABEL->max_width = mw;
1147: field_setup();
1148: need_update = 1;
1.1 canacar 1149: }
1150:
1151: num_disp = num_rules;
1152: return (ret);
1153: }
1154:
1155: void
1156: tb_print_addrw(struct pf_addr_wrap *addr, struct pf_addr *mask, u_int8_t af)
1157: {
1158: switch (addr->type) {
1159: case PF_ADDR_ADDRMASK:
1160: tb_print_addr(&addr->v.a.addr, mask, af);
1161: break;
1162: case PF_ADDR_NOROUTE:
1163: tbprintf("noroute");
1164: break;
1165: case PF_ADDR_DYNIFTL:
1166: tbprintf("(%s)", addr->v.ifname);
1167: break;
1168: case PF_ADDR_TABLE:
1169: tbprintf("<%s>", addr->v.tblname);
1170: break;
1171: default:
1172: tbprintf("UNKNOWN");
1173: break;
1174: }
1175: }
1176:
1177: void
1178: tb_print_op(u_int8_t op, const char *a1, const char *a2)
1179: {
1180: if (op == PF_OP_IRG)
1181: tbprintf("%s >< %s ", a1, a2);
1182: else if (op == PF_OP_XRG)
1183: tbprintf("%s <> %s ", a1, a2);
1184: else if (op == PF_OP_RRG)
1185: tbprintf("%s:%s ", a1, a2);
1186: else if (op == PF_OP_EQ)
1187: tbprintf("= %s ", a1);
1188: else if (op == PF_OP_NE)
1189: tbprintf("!= %s ", a1);
1190: else if (op == PF_OP_LT)
1191: tbprintf("< %s ", a1);
1192: else if (op == PF_OP_LE)
1193: tbprintf("<= %s ", a1);
1194: else if (op == PF_OP_GT)
1195: tbprintf("> %s ", a1);
1196: else if (op == PF_OP_GE)
1197: tbprintf(">= %s ", a1);
1198: }
1199:
1200: void
1201: tb_print_port(u_int8_t op, u_int16_t p1, u_int16_t p2, char *proto)
1202: {
1203: char a1[6], a2[6];
1204: struct servent *s = getservbyport(p1, proto);
1205:
1206: p1 = ntohs(p1);
1207: p2 = ntohs(p2);
1208: snprintf(a1, sizeof(a1), "%u", p1);
1209: snprintf(a2, sizeof(a2), "%u", p2);
1210: tbprintf("port ");
1211: if (s != NULL && (op == PF_OP_EQ || op == PF_OP_NE))
1212: tb_print_op(op, s->s_name, a2);
1213: else
1214: tb_print_op(op, a1, a2);
1215: }
1216:
1217: void
1218: tb_print_fromto(struct pf_rule_addr *src, struct pf_rule_addr *dst,
1219: u_int8_t af, u_int8_t proto)
1220: {
1221: if (
1222: PF_AZERO(PT_ADDR(src), AF_INET6) &&
1223: PF_AZERO(PT_ADDR(dst), AF_INET6) &&
1224: ! PT_NOROUTE(src) && ! PT_NOROUTE(dst) &&
1225: PF_AZERO(PT_MASK(src), AF_INET6) &&
1226: PF_AZERO(PT_MASK(dst), AF_INET6) &&
1227: !src->port_op && !dst->port_op)
1228: tbprintf("all ");
1229: else {
1230: tbprintf("from ");
1231: if (PT_NOROUTE(src))
1232: tbprintf("no-route ");
1233: else if (PF_AZERO(PT_ADDR(src), AF_INET6) &&
1234: PF_AZERO(PT_MASK(src), AF_INET6))
1235: tbprintf("any ");
1236: else {
1237: if (src->neg)
1238: tbprintf("! ");
1239: tb_print_addrw(&src->addr, PT_MASK(src), af);
1240: tbprintf(" ");
1241: }
1242: if (src->port_op)
1243: tb_print_port(src->port_op, src->port[0],
1244: src->port[1],
1245: proto == IPPROTO_TCP ? "tcp" : "udp");
1.26 sthen 1246:
1.1 canacar 1247: tbprintf("to ");
1248: if (PT_NOROUTE(dst))
1249: tbprintf("no-route ");
1250: else if (PF_AZERO(PT_ADDR(dst), AF_INET6) &&
1251: PF_AZERO(PT_MASK(dst), AF_INET6))
1252: tbprintf("any ");
1253: else {
1254: if (dst->neg)
1255: tbprintf("! ");
1256: tb_print_addrw(&dst->addr, PT_MASK(dst), af);
1257: tbprintf(" ");
1258: }
1259: if (dst->port_op)
1260: tb_print_port(dst->port_op, dst->port[0],
1261: dst->port[1],
1262: proto == IPPROTO_TCP ? "tcp" : "udp");
1263: }
1264: }
1265:
1266: void
1267: tb_print_ugid(u_int8_t op, unsigned u1, unsigned u2,
1268: const char *t, unsigned umax)
1269: {
1270: char a1[11], a2[11];
1271:
1272: snprintf(a1, sizeof(a1), "%u", u1);
1273: snprintf(a2, sizeof(a2), "%u", u2);
1274:
1275: tbprintf("%s ", t);
1276: if (u1 == umax && (op == PF_OP_EQ || op == PF_OP_NE))
1277: tb_print_op(op, "unknown", a2);
1278: else
1279: tb_print_op(op, a1, a2);
1280: }
1281:
1282: void
1283: tb_print_flags(u_int8_t f)
1284: {
1285: const char *tcpflags = "FSRPAUEW";
1286: int i;
1287:
1288: for (i = 0; tcpflags[i]; ++i)
1289: if (f & (1 << i))
1290: tbprintf("%c", tcpflags[i]);
1291: }
1292:
1293: void
1294: print_rule(struct pf_rule *pr)
1295: {
1.11 henning 1296: static const char *actiontypes[] = { "Pass", "Block", "Scrub",
1297: "no Scrub", "Nat", "no Nat", "Binat", "no Binat", "Rdr",
1298: "no Rdr", "SynProxy Block", "Defer", "Match" };
1.1 canacar 1299: int numact = sizeof(actiontypes) / sizeof(char *);
1300:
1301: static const char *routetypes[] = { "", "fastroute", "route-to",
1302: "dup-to", "reply-to" };
1303:
1304: int numroute = sizeof(routetypes) / sizeof(char *);
1305:
1306: if (pr == NULL) return;
1307:
1308: print_fld_str(FLD_LABEL, pr->label);
1309: print_fld_size(FLD_STATS, pr->states_tot);
1310:
1311: print_fld_size(FLD_PKTS, pr->packets[0] + pr->packets[1]);
1312: print_fld_size(FLD_BYTES, pr->bytes[0] + pr->bytes[1]);
1.4 canacar 1313:
1.1 canacar 1314: print_fld_uint(FLD_RULE, pr->nr);
1.5 sthen 1315: if (pr->direction == PF_OUT)
1316: print_fld_str(FLD_DIR, "Out");
1317: else if (pr->direction == PF_IN)
1318: print_fld_str(FLD_DIR, "In");
1319: else
1320: print_fld_str(FLD_DIR, "Any");
1321:
1.1 canacar 1322: if (pr->quick)
1323: print_fld_str(FLD_QUICK, "Quick");
1324:
1325: if (pr->keep_state == PF_STATE_NORMAL)
1326: print_fld_str(FLD_KST, "Keep");
1327: else if (pr->keep_state == PF_STATE_MODULATE)
1328: print_fld_str(FLD_KST, "Mod");
1.31 jsg 1329: else if (pr->keep_state == PF_STATE_SYNPROXY)
1.1 canacar 1330: print_fld_str(FLD_KST, "Syn");
1331: if (pr->log == 1)
1332: print_fld_str(FLD_LOG, "Log");
1333: else if (pr->log == 2)
1334: print_fld_str(FLD_LOG, "All");
1335:
1.12 canacar 1336: if (pr->action >= numact)
1.1 canacar 1337: print_fld_uint(FLD_ACTION, pr->action);
1338: else print_fld_str(FLD_ACTION, actiontypes[pr->action]);
1.12 canacar 1339:
1.1 canacar 1340: if (pr->proto) {
1341: struct protoent *p = getprotobynumber(pr->proto);
1342:
1343: if (p != NULL)
1344: print_fld_str(FLD_PROTO, p->p_name);
1345: else
1346: print_fld_uint(FLD_PROTO, pr->proto);
1347: }
1348:
1349: if (pr->ifname[0]) {
1350: tb_start();
1351: if (pr->ifnot)
1352: tbprintf("!");
1353: tbprintf("%s", pr->ifname);
1354: print_fld_tb(FLD_IF);
1355: }
1356: if (pr->max_states)
1357: print_fld_uint(FLD_STMAX, pr->max_states);
1.4 canacar 1358:
1.1 canacar 1359: /* print info field */
1360:
1361: tb_start();
1.4 canacar 1362:
1.1 canacar 1363: if (pr->action == PF_DROP) {
1364: if (pr->rule_flag & PFRULE_RETURNRST)
1365: tbprintf("return-rst ");
1366: #ifdef PFRULE_RETURN
1367: else if (pr->rule_flag & PFRULE_RETURN)
1368: tbprintf("return ");
1369: #endif
1370: #ifdef PFRULE_RETURNICMP
1371: else if (pr->rule_flag & PFRULE_RETURNICMP)
1372: tbprintf("return-icmp ");
1373: #endif
1374: else
1375: tbprintf("drop ");
1376: }
1377:
1378: if (pr->rt > 0 && pr->rt < numroute) {
1379: tbprintf("%s ", routetypes[pr->rt]);
1380: }
1.4 canacar 1381:
1.1 canacar 1382: if (pr->af) {
1383: if (pr->af == AF_INET)
1384: tbprintf("inet ");
1385: else
1386: tbprintf("inet6 ");
1387: }
1388:
1389: tb_print_fromto(&pr->src, &pr->dst, pr->af, pr->proto);
1.4 canacar 1390:
1.1 canacar 1391: if (pr->uid.op)
1392: tb_print_ugid(pr->uid.op, pr->uid.uid[0], pr->uid.uid[1],
1393: "user", UID_MAX);
1394: if (pr->gid.op)
1395: tb_print_ugid(pr->gid.op, pr->gid.gid[0], pr->gid.gid[1],
1396: "group", GID_MAX);
1397:
1.8 mcbride 1398: if (pr->action == PF_PASS &&
1399: (pr->proto == 0 || pr->proto == IPPROTO_TCP) &&
1400: (pr->flags != TH_SYN || pr->flagset != (TH_SYN | TH_ACK) )) {
1401: tbprintf("flags ");
1402: if (pr->flags || pr->flagset) {
1403: tb_print_flags(pr->flags);
1404: tbprintf("/");
1405: tb_print_flags(pr->flagset);
1406: } else
1407: tbprintf("any ");
1.1 canacar 1408: }
1409:
1410: tbprintf(" ");
1411:
1412: if (pr->tos)
1413: tbprintf("tos 0x%2.2x ", pr->tos);
1414: #ifdef PFRULE_FRAGMENT
1415: if (pr->rule_flag & PFRULE_FRAGMENT)
1416: tbprintf("fragment ");
1417: #endif
1418: #ifdef PFRULE_NODF
1419: if (pr->rule_flag & PFRULE_NODF)
1420: tbprintf("no-df ");
1421: #endif
1422: #ifdef PFRULE_RANDOMID
1423: if (pr->rule_flag & PFRULE_RANDOMID)
1424: tbprintf("random-id ");
1425: #endif
1426: if (pr->min_ttl)
1427: tbprintf("min-ttl %d ", pr->min_ttl);
1428: if (pr->max_mss)
1429: tbprintf("max-mss %d ", pr->max_mss);
1430: if (pr->allow_opts)
1431: tbprintf("allow-opts ");
1432:
1.10 henning 1433: /* XXX more missing */
1.1 canacar 1434:
1435: if (pr->qname[0] && pr->pqname[0])
1436: tbprintf("queue(%s, %s) ", pr->qname, pr->pqname);
1437: else if (pr->qname[0])
1438: tbprintf("queue %s ", pr->qname);
1.4 canacar 1439:
1.1 canacar 1440: if (pr->tagname[0])
1441: tbprintf("tag %s ", pr->tagname);
1442: if (pr->match_tagname[0]) {
1443: if (pr->match_tag_not)
1444: tbprintf("! ");
1445: tbprintf("tagged %s ", pr->match_tagname);
1446: }
1.4 canacar 1447:
1.1 canacar 1448: print_fld_tb(FLD_RINFO);
1449:
1450: /* XXX anchor field overloaded with anchor name */
1451: print_fld_str(FLD_ANCHOR, (char *)pr->anchor);
1452: tb_end();
1453:
1454: end_line();
1455: }
1456:
1457: void
1458: print_rules(void)
1459: {
1460: u_int32_t n, count = 0;
1.26 sthen 1461:
1.1 canacar 1462: for (n = dispstart; n < num_rules; n++) {
1463: print_rule(rules + n);
1464: count ++;
1465: if (maxprint > 0 && count >= maxprint)
1466: break;
1467: }
1468: }
1469:
1470: /* queue display */
1.22 henning 1471: struct pfctl_queue_node *
1472: pfctl_find_queue_node(const char *qname, const char *ifname)
1473: {
1474: struct pfctl_queue_node *node;
1475:
1476: TAILQ_FOREACH(node, &qnodes, entries)
1477: if (!strcmp(node->qs.qname, qname)
1478: && !(strcmp(node->qs.ifname, ifname)))
1479: return (node);
1480: return (NULL);
1481: }
1482:
1483: void
1484: pfctl_insert_queue_node(const struct pf_queuespec qs,
1485: const struct queue_stats qstats)
1486: {
1487: struct pfctl_queue_node *node, *parent;
1488:
1489: node = calloc(1, sizeof(struct pfctl_queue_node));
1490: if (node == NULL)
1491: err(1, "pfctl_insert_queue_node: calloc");
1492: memcpy(&node->qs, &qs, sizeof(qs));
1493: memcpy(&node->qstats, &qstats, sizeof(qstats));
1494:
1495: if (node->qs.parent[0]) {
1496: parent = pfctl_find_queue_node(node->qs.parent,
1497: node->qs.ifname);
1498: if (parent)
1499: node->depth = parent->depth + 1;
1500: }
1501:
1502: TAILQ_INSERT_TAIL(&qnodes, node, entries);
1503: }
1504:
1505: int
1506: pfctl_update_qstats(void)
1507: {
1508: struct pfctl_queue_node *node;
1509: struct pfioc_queue pq;
1510: struct pfioc_qstats pqs;
1511: u_int32_t mnr, nr;
1512: struct queue_stats qstats;
1513: static u_int32_t last_ticket;
1514:
1515: memset(&pq, 0, sizeof(pq));
1516: memset(&pqs, 0, sizeof(pqs));
1517: memset(&qstats, 0, sizeof(qstats));
1518:
1519: if (pf_dev < 0)
1520: return (-1);
1521:
1522: if (ioctl(pf_dev, DIOCGETQUEUES, &pq)) {
1523: error("DIOCGETQUEUES: %s", strerror(errno));
1524: return (-1);
1525: }
1526:
1527: /* if a new set is found, start over */
1528: if (pq.ticket != last_ticket)
1.23 pelikan 1529: while ((node = TAILQ_FIRST(&qnodes)) != NULL) {
1.22 henning 1530: TAILQ_REMOVE(&qnodes, node, entries);
1.23 pelikan 1531: free(node);
1532: }
1.22 henning 1533: last_ticket = pq.ticket;
1534:
1535: num_queues = mnr = pq.nr;
1536: for (nr = 0; nr < mnr; ++nr) {
1537: pqs.nr = nr;
1538: pqs.ticket = pq.ticket;
1539: pqs.buf = &qstats.data;
1540: pqs.nbytes = sizeof(qstats.data);
1541: if (ioctl(pf_dev, DIOCGETQSTATS, &pqs)) {
1542: error("DIOCGETQSTATS: %s", strerror(errno));
1543: return (-1);
1544: }
1.36 mikeb 1545: qstats.valid = 1;
1546: gettimeofday(&qstats.timestamp, NULL);
1547: if ((node = pfctl_find_queue_node(pqs.queue.qname,
1548: pqs.queue.ifname)) != NULL) {
1549: memcpy(&node->qstats_last, &node->qstats,
1550: sizeof(struct queue_stats));
1551: memcpy(&node->qstats, &qstats,
1552: sizeof(struct queue_stats));
1553: } else {
1554: pfctl_insert_queue_node(pqs.queue, qstats);
1555: }
1.22 henning 1556: }
1557: return (0);
1558: }
1559:
1.1 canacar 1560: int
1561: select_queues(void)
1562: {
1.24 henning 1563: num_disp = num_queues;
1.1 canacar 1564: return (0);
1565: }
1566:
1567: int
1568: read_queues(void)
1569: {
1.24 henning 1570: num_disp = num_queues = 0;
1.22 henning 1571:
1572: if (pfctl_update_qstats() < 0)
1.1 canacar 1573: return (-1);
1.24 henning 1574: num_disp = num_queues;
1.25 sthen 1575:
1.1 canacar 1576: return(0);
1577: }
1578:
1579: double
1580: calc_interval(struct timeval *cur_time, struct timeval *last_time)
1581: {
1582: double sec;
1583:
1584: sec = (double)(cur_time->tv_sec - last_time->tv_sec) +
1585: (double)(cur_time->tv_usec - last_time->tv_usec) / 1000000;
1586:
1587: return (sec);
1588: }
1589:
1590: double
1591: calc_rate(u_int64_t new_bytes, u_int64_t last_bytes, double interval)
1592: {
1593: double rate;
1594:
1595: rate = (double)(new_bytes - last_bytes) / interval;
1596: return (rate);
1597: }
1598:
1599: double
1600: calc_pps(u_int64_t new_pkts, u_int64_t last_pkts, double interval)
1601: {
1602: double pps;
1603:
1604: pps = (double)(new_pkts - last_pkts) / interval;
1605: return (pps);
1606: }
1607:
1608: void
1.22 henning 1609: print_queue_node(struct pfctl_queue_node *node)
1610: {
1.38 mikeb 1611: u_int rate, rtmp;
1.22 henning 1612: int i;
1613: double interval, pps, bps;
1614: static const char unit[] = " KMG";
1615:
1616: tb_start();
1617: for (i = 0; i < node->depth; i++)
1618: tbprintf(" ");
1619: tbprintf("%s", node->qs.qname);
1.28 sthen 1620: if (i == 0 && node->qs.ifname[0])
1621: tbprintf(" on %s ", node->qs.ifname);
1.22 henning 1622: print_fld_tb(FLD_QUEUE);
1623:
1624: // XXX: missing min, max, burst
1625: tb_start();
1.39 ! mikeb 1626: if (node->qs.flags & PFQS_FLOWQUEUE) {
! 1627: /*
! 1628: * XXX We're abusing the fact that 'flows' in
! 1629: * the fqcodel_stats structure is at the same
! 1630: * spot as the 'period' in hfsc_class_stats.
! 1631: */
! 1632: tbprintf("%u", node->qstats.data.period);
! 1633: } else {
! 1634: rate = node->qs.linkshare.m2.absolute;
! 1635: for (i = 0; rate > 9999 && i <= 3; i++) {
! 1636: rtmp = rate / 1000;
! 1637: if (rtmp <= 9999)
! 1638: rtmp += (rate % 1000) / 500;
! 1639: rate = rtmp;
! 1640: }
! 1641: tbprintf("%u%c", rate, unit[i]);
1.38 mikeb 1642: }
1.22 henning 1643: print_fld_tb(FLD_BANDW);
1.39 ! mikeb 1644:
! 1645: print_fld_str(FLD_SCHED, node->qs.flags & PFQS_FLOWQUEUE ?
! 1646: "flow" : "fifo");
1.22 henning 1647:
1648: if (node->qstats.valid && node->qstats_last.valid)
1649: interval = calc_interval(&node->qstats.timestamp,
1650: &node->qstats_last.timestamp);
1651: else
1652: interval = 0;
1653:
1654: print_fld_size(FLD_PKTS, node->qstats.data.xmit_cnt.packets);
1655: print_fld_size(FLD_BYTES, node->qstats.data.xmit_cnt.bytes);
1656: print_fld_size(FLD_DROPP, node->qstats.data.drop_cnt.packets);
1657: print_fld_size(FLD_DROPB, node->qstats.data.drop_cnt.bytes);
1658: print_fld_size(FLD_QLEN, node->qstats.data.qlength);
1659:
1660: if (interval > 0) {
1661: pps = calc_pps(node->qstats.data.xmit_cnt.packets,
1662: node->qstats_last.data.xmit_cnt.packets, interval);
1663: bps = calc_rate(node->qstats.data.xmit_cnt.bytes,
1664: node->qstats_last.data.xmit_cnt.bytes, interval);
1665:
1666: tb_start();
1667: if (pps > 0 && pps < 1)
1668: tbprintf("%-3.1lf", pps);
1669: else
1670: tbprintf("%u", (unsigned int)pps);
1671:
1672: print_fld_tb(FLD_PKTSPS);
1673: print_fld_bw(FLD_BYTESPS, bps);
1674: }
1675: }
1676:
1677: void
1.1 canacar 1678: print_queues(void)
1679: {
1.22 henning 1680: uint32_t n, count, start;
1681: struct pfctl_queue_node *node;
1682:
1683: n = count = 0;
1684: start = dispstart;
1685:
1686: TAILQ_FOREACH(node, &qnodes, entries) {
1687: if (n < start) {
1688: n++;
1689: continue;
1690: }
1691: print_queue_node(node);
1692: end_line();
1693: count++;
1694: if (maxprint > 0 && count >= maxprint)
1695: return;
1.1 canacar 1696: }
1697: }
1698:
1699: /* main program functions */
1700:
1701: void
1.7 canacar 1702: update_cache(void)
1.1 canacar 1703: {
1704: static int pstate = -1;
1705: if (pstate == cachestates)
1706: return;
1707:
1708: pstate = cachestates;
1709: if (cachestates) {
1710: show_field(FLD_SI);
1711: show_field(FLD_SP);
1712: gotsig_alarm = 1;
1713: } else {
1714: hide_field(FLD_SI);
1715: hide_field(FLD_SP);
1716: need_update = 1;
1717: }
1718: field_setup();
1719: }
1720:
1.7 canacar 1721: int
1.1 canacar 1722: initpftop(void)
1723: {
1724: struct pf_status status;
1725: field_view *v;
1726: int cachesize = DEFAULT_CACHE_SIZE;
1727:
1728: v = views;
1729: while(v->name != NULL)
1730: add_view(v++);
1731:
1732: pf_dev = open("/dev/pf", O_RDONLY);
1733: if (pf_dev == -1) {
1734: alloc_buf(0);
1735: } else if (ioctl(pf_dev, DIOCGETSTATUS, &status)) {
1736: warn("DIOCGETSTATUS");
1737: alloc_buf(0);
1738: } else
1739: alloc_buf(status.states);
1740:
1741: /* initialize cache with given size */
1742: if (cache_init(cachesize))
1743: warnx("Failed to initialize cache.");
1744: else if (interactive && cachesize > 0)
1745: cachestates = 1;
1746:
1747: update_cache();
1748:
1749: show_field(FLD_STMAX);
1750: show_field(FLD_ANCHOR);
1.7 canacar 1751:
1752: return (1);
1.1 canacar 1753: }