Commit | Line | Data |
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5ff67f98 DF |
1 | /* |
2 | * Copyright (c) 1983 Regents of the University of California. | |
3 | * All rights reserved. The Berkeley software License Agreement | |
4 | * specifies the terms and conditions for redistribution. | |
5 | */ | |
6 | ||
7 | #ifndef lint | |
8 | char copyright[] = | |
9 | "@(#) Copyright (c) 1983 Regents of the University of California.\n\ | |
10 | All rights reserved.\n"; | |
11 | #endif not lint | |
12 | ||
9a3a7863 | 13 | #ifndef lint |
5ff67f98 DF |
14 | static char sccsid[] = "@(#)trpt.c 5.1 (Berkeley) %G%"; |
15 | #endif not lint | |
9a3a7863 BJ |
16 | |
17 | #include <sys/param.h> | |
18 | #include <sys/socket.h> | |
19 | #include <sys/socketvar.h> | |
20 | #define PRUREQUESTS | |
21 | #include <sys/protosw.h> | |
94a2d2a7 | 22 | |
9a3a7863 | 23 | #include <net/route.h> |
9a3a7863 | 24 | #include <net/if.h> |
94a2d2a7 SL |
25 | |
26 | #include <netinet/in.h> | |
27 | #include <netinet/in_pcb.h> | |
28 | #include <netinet/in_systm.h> | |
29 | #include <netinet/ip.h> | |
30 | #include <netinet/ip_var.h> | |
31 | #include <netinet/tcp.h> | |
9a3a7863 | 32 | #define TCPSTATES |
94a2d2a7 SL |
33 | #include <netinet/tcp_fsm.h> |
34 | #include <netinet/tcp_seq.h> | |
9a3a7863 | 35 | #define TCPTIMERS |
94a2d2a7 SL |
36 | #include <netinet/tcp_timer.h> |
37 | #include <netinet/tcp_var.h> | |
38 | #include <netinet/tcpip.h> | |
9a3a7863 | 39 | #define TANAMES |
94a2d2a7 | 40 | #include <netinet/tcp_debug.h> |
9a3a7863 | 41 | |
7d3cb675 SL |
42 | #include <arpa/inet.h> |
43 | ||
eb0fbeab | 44 | #include <stdio.h> |
94a2d2a7 | 45 | #include <errno.h> |
9a3a7863 BJ |
46 | #include <nlist.h> |
47 | ||
48 | n_time ntime; | |
49 | int sflag; | |
175d35a6 SL |
50 | int tflag; |
51 | int jflag; | |
49173cdd | 52 | int aflag; |
175d35a6 | 53 | int numeric(); |
9a3a7863 BJ |
54 | struct nlist nl[] = { |
55 | { "_tcp_debug" }, | |
56 | { "_tcp_debx" }, | |
57 | 0 | |
58 | }; | |
59 | struct tcp_debug tcp_debug[TCP_NDEBUG]; | |
175d35a6 | 60 | caddr_t tcp_pcbs[TCP_NDEBUG]; |
9a3a7863 BJ |
61 | int tcp_debx; |
62 | ||
63 | main(argc, argv) | |
64 | int argc; | |
65 | char **argv; | |
66 | { | |
175d35a6 | 67 | int i, mask = 0, npcbs = 0; |
eb0fbeab | 68 | char *system = "/vmunix", *core = "/dev/kmem"; |
9a3a7863 BJ |
69 | |
70 | argc--, argv++; | |
71 | again: | |
49173cdd SL |
72 | if (argc > 0 && !strcmp(*argv, "-a")) { |
73 | aflag++, argc--, argv++; | |
74 | goto again; | |
75 | } | |
9a3a7863 BJ |
76 | if (argc > 0 && !strcmp(*argv, "-s")) { |
77 | sflag++, argc--, argv++; | |
78 | goto again; | |
79 | } | |
175d35a6 SL |
80 | if (argc > 0 && !strcmp(*argv, "-t")) { |
81 | tflag++, argc--, argv++; | |
82 | goto again; | |
83 | } | |
84 | if (argc > 0 && !strcmp(*argv, "-j")) { | |
85 | jflag++, argc--, argv++; | |
86 | goto again; | |
87 | } | |
eb0fbeab | 88 | if (argc > 0 && !strcmp(*argv, "-p")) { |
175d35a6 | 89 | argc--, argv++; |
eb0fbeab SL |
90 | if (argc < 1) { |
91 | fprintf(stderr, "-p: missing tcpcb address\n"); | |
92 | exit(1); | |
93 | } | |
175d35a6 SL |
94 | if (npcbs >= TCP_NDEBUG) { |
95 | fprintf(stderr, "-p: too many pcb's specified\n"); | |
96 | exit(1); | |
97 | } | |
98 | sscanf(*argv, "%x", &tcp_pcbs[npcbs++]); | |
eb0fbeab SL |
99 | argc--, argv++; |
100 | goto again; | |
101 | } | |
102 | if (argc > 0) { | |
103 | system = *argv; | |
104 | argc--, argv++; | |
105 | mask++; | |
106 | } | |
107 | if (argc > 0) { | |
108 | core = *argv; | |
109 | argc--, argv++; | |
110 | mask++; | |
111 | } | |
112 | (void) nlist(system, nl); | |
9a3a7863 | 113 | if (nl[0].n_value == 0) { |
eb0fbeab | 114 | fprintf(stderr, "trpt: %s: no namelist\n", system); |
9a3a7863 BJ |
115 | exit(1); |
116 | } | |
eb0fbeab SL |
117 | (void) close(0); |
118 | if (open(core, 0) < 0) { | |
119 | fprintf(stderr, "trpt: "); perror(core); | |
120 | exit(2); | |
121 | } | |
122 | if (mask) { | |
9a3a7863 BJ |
123 | nl[0].n_value &= 0x7fffffff; |
124 | nl[1].n_value &= 0x7fffffff; | |
125 | } | |
eb0fbeab SL |
126 | (void) lseek(0, nl[1].n_value, 0); |
127 | if (read(0, &tcp_debx, sizeof (tcp_debx)) != sizeof (tcp_debx)) { | |
128 | fprintf(stderr, "trpt: "); perror("tcp_debx"); | |
129 | exit(3); | |
130 | } | |
eb0fbeab SL |
131 | (void) lseek(0, nl[0].n_value, 0); |
132 | if (read(0, tcp_debug, sizeof (tcp_debug)) != sizeof (tcp_debug)) { | |
133 | fprintf(stderr, "trpt: "); perror("tcp_debug"); | |
134 | exit(3); | |
135 | } | |
175d35a6 SL |
136 | /* |
137 | * If no control blocks have been specified, figure | |
138 | * out how many distinct one we have and summarize | |
139 | * them in tcp_pcbs for sorting the trace records | |
140 | * below. | |
141 | */ | |
142 | if (npcbs == 0) { | |
143 | for (i = 0; i < TCP_NDEBUG; i++) { | |
144 | register int j; | |
145 | register struct tcp_debug *td = &tcp_debug[i]; | |
146 | ||
147 | if (td->td_tcb == 0) | |
148 | continue; | |
149 | for (j = 0; j < npcbs; j++) | |
150 | if (tcp_pcbs[j] == td->td_tcb) | |
151 | break; | |
152 | if (j >= npcbs) | |
153 | tcp_pcbs[npcbs++] = td->td_tcb; | |
154 | } | |
155 | } | |
156 | qsort(tcp_pcbs, npcbs, sizeof (caddr_t), numeric); | |
157 | if (jflag) { | |
158 | char *cp = ""; | |
10ce0f6a | 159 | |
175d35a6 SL |
160 | for (i = 0; i < npcbs; i++) { |
161 | printf("%s%x", cp, tcp_pcbs[i]); | |
162 | cp = ", "; | |
163 | } | |
164 | if (*cp) | |
165 | putchar('\n'); | |
166 | exit(0); | |
167 | } | |
168 | for (i = 0; i < npcbs; i++) { | |
169 | printf("\n%x:\n", tcp_pcbs[i]); | |
170 | dotrace(tcp_pcbs[i]); | |
171 | } | |
172 | exit(0); | |
173 | } | |
174 | ||
175 | dotrace(tcpcb) | |
176 | register caddr_t tcpcb; | |
177 | { | |
178 | register int i; | |
179 | register struct tcp_debug *td; | |
180 | ||
7dae8914 | 181 | for (i = tcp_debx % TCP_NDEBUG; i < TCP_NDEBUG; i++) { |
175d35a6 | 182 | td = &tcp_debug[i]; |
eb0fbeab SL |
183 | if (tcpcb && td->td_tcb != tcpcb) |
184 | continue; | |
10ce0f6a | 185 | ntime = ntohl(td->td_time); |
9a3a7863 BJ |
186 | tcp_trace(td->td_act, td->td_ostate, td->td_tcb, &td->td_cb, |
187 | &td->td_ti, td->td_req); | |
188 | } | |
7dae8914 | 189 | for (i = 0; i < tcp_debx % TCP_NDEBUG; i++) { |
175d35a6 | 190 | td = &tcp_debug[i]; |
eb0fbeab SL |
191 | if (tcpcb && td->td_tcb != tcpcb) |
192 | continue; | |
10ce0f6a | 193 | ntime = ntohl(td->td_time); |
9a3a7863 BJ |
194 | tcp_trace(td->td_act, td->td_ostate, td->td_tcb, &td->td_cb, |
195 | &td->td_ti, td->td_req); | |
196 | } | |
9a3a7863 BJ |
197 | } |
198 | ||
199 | /* | |
200 | * Tcp debug routines | |
201 | */ | |
202 | tcp_trace(act, ostate, atp, tp, ti, req) | |
203 | short act, ostate; | |
204 | struct tcpcb *atp, *tp; | |
205 | struct tcpiphdr *ti; | |
206 | int req; | |
207 | { | |
208 | tcp_seq seq, ack; | |
10ce0f6a | 209 | int len, flags, win, timer; |
9a3a7863 BJ |
210 | char *cp; |
211 | ||
212 | ptime(ntime); | |
175d35a6 | 213 | printf("%s:%s ", tcpstates[ostate], tanames[act]); |
9a3a7863 BJ |
214 | switch (act) { |
215 | ||
216 | case TA_INPUT: | |
217 | case TA_OUTPUT: | |
3cd6f35b | 218 | case TA_DROP: |
49173cdd | 219 | if (aflag) { |
7d3cb675 | 220 | printf("(src=%s,%d, ", inet_ntoa(ti->ti_src), |
49173cdd | 221 | ntohs(ti->ti_sport)); |
7d3cb675 | 222 | printf("dst=%s,%d)", inet_ntoa(ti->ti_dst), |
49173cdd SL |
223 | ntohs(ti->ti_dport)); |
224 | } | |
9a3a7863 BJ |
225 | seq = ti->ti_seq; |
226 | ack = ti->ti_ack; | |
227 | len = ti->ti_len; | |
228 | win = ti->ti_win; | |
9a3a7863 BJ |
229 | if (act == TA_OUTPUT) { |
230 | seq = ntohl(seq); | |
231 | ack = ntohl(ack); | |
232 | len = ntohs(len); | |
233 | win = ntohs(win); | |
234 | } | |
9a3a7863 BJ |
235 | if (act == TA_OUTPUT) |
236 | len -= sizeof (struct tcphdr); | |
237 | if (len) | |
238 | printf("[%x..%x)", seq, seq+len); | |
239 | else | |
240 | printf("%x", seq); | |
241 | printf("@%x", ack); | |
242 | if (win) | |
23c416d7 | 243 | printf("(win=%x)", win); |
9a3a7863 BJ |
244 | flags = ti->ti_flags; |
245 | if (flags) { | |
246 | char *cp = "<"; | |
247 | #define pf(f) { if (ti->ti_flags&TH_/**/f) { printf("%s%s", cp, "f"); cp = ","; } } | |
ed06dc42 | 248 | pf(SYN); pf(ACK); pf(FIN); pf(RST); pf(PUSH); pf(URG); |
9a3a7863 BJ |
249 | printf(">"); |
250 | } | |
251 | break; | |
252 | ||
253 | case TA_USER: | |
10ce0f6a SL |
254 | timer = req >> 8; |
255 | req &= 0xff; | |
256 | printf("%s", prurequests[req]); | |
257 | if (req == PRU_SLOWTIMO || req == PRU_FASTTIMO) | |
258 | printf("<%s>", tcptimers[timer]); | |
9a3a7863 BJ |
259 | break; |
260 | } | |
261 | printf(" -> %s", tcpstates[tp->t_state]); | |
262 | /* print out internal state of tp !?! */ | |
263 | printf("\n"); | |
264 | if (sflag) { | |
49282770 | 265 | printf("\trcv_nxt %x rcv_wnd %x snd_una %x snd_nxt %x snd_max %x\n", |
eb0fbeab SL |
266 | tp->rcv_nxt, tp->rcv_wnd, tp->snd_una, tp->snd_nxt, |
267 | tp->snd_max); | |
268 | printf("\tsnd_wl1 %x snd_wl2 %x snd_wnd %x\n", tp->snd_wl1, | |
269 | tp->snd_wl2, tp->snd_wnd); | |
9a3a7863 | 270 | } |
175d35a6 SL |
271 | /* print out timers? */ |
272 | if (tflag) { | |
273 | char *cp = "\t"; | |
274 | register int i; | |
275 | ||
276 | for (i = 0; i < TCPT_NTIMERS; i++) { | |
277 | if (tp->t_timer[i] == 0) | |
278 | continue; | |
279 | printf("%s%s=%d", cp, tcptimers[i], tp->t_timer[i]); | |
280 | if (i == TCPT_REXMT) | |
281 | printf(" (t_rxtshft=%d)", tp->t_rxtshift); | |
282 | cp = ", "; | |
283 | } | |
284 | if (*cp != '\t') | |
285 | putchar('\n'); | |
286 | } | |
9a3a7863 BJ |
287 | } |
288 | ||
289 | ptime(ms) | |
290 | int ms; | |
291 | { | |
292 | ||
293 | printf("%03d ", (ms/10) % 1000); | |
294 | } | |
175d35a6 SL |
295 | |
296 | numeric(c1, c2) | |
297 | caddr_t *c1, *c2; | |
298 | { | |
299 | ||
300 | return (*c1 - *c2); | |
301 | } |