Commit | Line | Data |
---|---|---|
9a3a7863 | 1 | #ifndef lint |
49173cdd | 2 | static char sccsid[] = "@(#)trpt.c 4.7 %G%"; |
9a3a7863 BJ |
3 | #endif |
4 | ||
5 | #include <sys/param.h> | |
6 | #include <sys/socket.h> | |
7 | #include <sys/socketvar.h> | |
8 | #define PRUREQUESTS | |
9 | #include <sys/protosw.h> | |
94a2d2a7 | 10 | |
9a3a7863 | 11 | #include <net/route.h> |
9a3a7863 | 12 | #include <net/if.h> |
94a2d2a7 SL |
13 | |
14 | #include <netinet/in.h> | |
15 | #include <netinet/in_pcb.h> | |
16 | #include <netinet/in_systm.h> | |
17 | #include <netinet/ip.h> | |
18 | #include <netinet/ip_var.h> | |
19 | #include <netinet/tcp.h> | |
9a3a7863 | 20 | #define TCPSTATES |
94a2d2a7 SL |
21 | #include <netinet/tcp_fsm.h> |
22 | #include <netinet/tcp_seq.h> | |
9a3a7863 | 23 | #define TCPTIMERS |
94a2d2a7 SL |
24 | #include <netinet/tcp_timer.h> |
25 | #include <netinet/tcp_var.h> | |
26 | #include <netinet/tcpip.h> | |
9a3a7863 | 27 | #define TANAMES |
94a2d2a7 | 28 | #include <netinet/tcp_debug.h> |
9a3a7863 | 29 | |
eb0fbeab | 30 | #include <stdio.h> |
94a2d2a7 | 31 | #include <errno.h> |
9a3a7863 BJ |
32 | #include <nlist.h> |
33 | ||
34 | n_time ntime; | |
35 | int sflag; | |
175d35a6 SL |
36 | int tflag; |
37 | int jflag; | |
49173cdd | 38 | int aflag; |
175d35a6 | 39 | int numeric(); |
9a3a7863 BJ |
40 | struct nlist nl[] = { |
41 | { "_tcp_debug" }, | |
42 | { "_tcp_debx" }, | |
43 | 0 | |
44 | }; | |
45 | struct tcp_debug tcp_debug[TCP_NDEBUG]; | |
175d35a6 | 46 | caddr_t tcp_pcbs[TCP_NDEBUG]; |
9a3a7863 | 47 | int tcp_debx; |
49173cdd | 48 | char *ntoa(); |
9a3a7863 BJ |
49 | |
50 | main(argc, argv) | |
51 | int argc; | |
52 | char **argv; | |
53 | { | |
175d35a6 | 54 | int i, mask = 0, npcbs = 0; |
eb0fbeab | 55 | char *system = "/vmunix", *core = "/dev/kmem"; |
9a3a7863 BJ |
56 | |
57 | argc--, argv++; | |
58 | again: | |
49173cdd SL |
59 | if (argc > 0 && !strcmp(*argv, "-a")) { |
60 | aflag++, argc--, argv++; | |
61 | goto again; | |
62 | } | |
9a3a7863 BJ |
63 | if (argc > 0 && !strcmp(*argv, "-s")) { |
64 | sflag++, argc--, argv++; | |
65 | goto again; | |
66 | } | |
175d35a6 SL |
67 | if (argc > 0 && !strcmp(*argv, "-t")) { |
68 | tflag++, argc--, argv++; | |
69 | goto again; | |
70 | } | |
71 | if (argc > 0 && !strcmp(*argv, "-j")) { | |
72 | jflag++, argc--, argv++; | |
73 | goto again; | |
74 | } | |
eb0fbeab | 75 | if (argc > 0 && !strcmp(*argv, "-p")) { |
175d35a6 | 76 | argc--, argv++; |
eb0fbeab SL |
77 | if (argc < 1) { |
78 | fprintf(stderr, "-p: missing tcpcb address\n"); | |
79 | exit(1); | |
80 | } | |
175d35a6 SL |
81 | if (npcbs >= TCP_NDEBUG) { |
82 | fprintf(stderr, "-p: too many pcb's specified\n"); | |
83 | exit(1); | |
84 | } | |
85 | sscanf(*argv, "%x", &tcp_pcbs[npcbs++]); | |
eb0fbeab SL |
86 | argc--, argv++; |
87 | goto again; | |
88 | } | |
89 | if (argc > 0) { | |
90 | system = *argv; | |
91 | argc--, argv++; | |
92 | mask++; | |
93 | } | |
94 | if (argc > 0) { | |
95 | core = *argv; | |
96 | argc--, argv++; | |
97 | mask++; | |
98 | } | |
99 | (void) nlist(system, nl); | |
9a3a7863 | 100 | if (nl[0].n_value == 0) { |
eb0fbeab | 101 | fprintf(stderr, "trpt: %s: no namelist\n", system); |
9a3a7863 BJ |
102 | exit(1); |
103 | } | |
eb0fbeab SL |
104 | (void) close(0); |
105 | if (open(core, 0) < 0) { | |
106 | fprintf(stderr, "trpt: "); perror(core); | |
107 | exit(2); | |
108 | } | |
109 | if (mask) { | |
9a3a7863 BJ |
110 | nl[0].n_value &= 0x7fffffff; |
111 | nl[1].n_value &= 0x7fffffff; | |
112 | } | |
eb0fbeab SL |
113 | (void) lseek(0, nl[1].n_value, 0); |
114 | if (read(0, &tcp_debx, sizeof (tcp_debx)) != sizeof (tcp_debx)) { | |
115 | fprintf(stderr, "trpt: "); perror("tcp_debx"); | |
116 | exit(3); | |
117 | } | |
9a3a7863 | 118 | printf("tcp_debx=%d\n", tcp_debx); |
eb0fbeab SL |
119 | (void) lseek(0, nl[0].n_value, 0); |
120 | if (read(0, tcp_debug, sizeof (tcp_debug)) != sizeof (tcp_debug)) { | |
121 | fprintf(stderr, "trpt: "); perror("tcp_debug"); | |
122 | exit(3); | |
123 | } | |
175d35a6 SL |
124 | /* |
125 | * If no control blocks have been specified, figure | |
126 | * out how many distinct one we have and summarize | |
127 | * them in tcp_pcbs for sorting the trace records | |
128 | * below. | |
129 | */ | |
130 | if (npcbs == 0) { | |
131 | for (i = 0; i < TCP_NDEBUG; i++) { | |
132 | register int j; | |
133 | register struct tcp_debug *td = &tcp_debug[i]; | |
134 | ||
135 | if (td->td_tcb == 0) | |
136 | continue; | |
137 | for (j = 0; j < npcbs; j++) | |
138 | if (tcp_pcbs[j] == td->td_tcb) | |
139 | break; | |
140 | if (j >= npcbs) | |
141 | tcp_pcbs[npcbs++] = td->td_tcb; | |
142 | } | |
143 | } | |
144 | qsort(tcp_pcbs, npcbs, sizeof (caddr_t), numeric); | |
145 | if (jflag) { | |
146 | char *cp = ""; | |
10ce0f6a | 147 | |
175d35a6 SL |
148 | for (i = 0; i < npcbs; i++) { |
149 | printf("%s%x", cp, tcp_pcbs[i]); | |
150 | cp = ", "; | |
151 | } | |
152 | if (*cp) | |
153 | putchar('\n'); | |
154 | exit(0); | |
155 | } | |
156 | for (i = 0; i < npcbs; i++) { | |
157 | printf("\n%x:\n", tcp_pcbs[i]); | |
158 | dotrace(tcp_pcbs[i]); | |
159 | } | |
160 | exit(0); | |
161 | } | |
162 | ||
163 | dotrace(tcpcb) | |
164 | register caddr_t tcpcb; | |
165 | { | |
166 | register int i; | |
167 | register struct tcp_debug *td; | |
168 | ||
169 | for (i = 0; i < tcp_debx % TCP_NDEBUG; i++) { | |
170 | td = &tcp_debug[i]; | |
eb0fbeab SL |
171 | if (tcpcb && td->td_tcb != tcpcb) |
172 | continue; | |
10ce0f6a | 173 | ntime = ntohl(td->td_time); |
9a3a7863 BJ |
174 | tcp_trace(td->td_act, td->td_ostate, td->td_tcb, &td->td_cb, |
175 | &td->td_ti, td->td_req); | |
176 | } | |
175d35a6 SL |
177 | for (i = tcp_debx % TCP_NDEBUG; i < TCP_NDEBUG; i++) { |
178 | td = &tcp_debug[i]; | |
eb0fbeab SL |
179 | if (tcpcb && td->td_tcb != tcpcb) |
180 | continue; | |
10ce0f6a | 181 | ntime = ntohl(td->td_time); |
9a3a7863 BJ |
182 | tcp_trace(td->td_act, td->td_ostate, td->td_tcb, &td->td_cb, |
183 | &td->td_ti, td->td_req); | |
184 | } | |
9a3a7863 BJ |
185 | } |
186 | ||
187 | /* | |
188 | * Tcp debug routines | |
189 | */ | |
190 | tcp_trace(act, ostate, atp, tp, ti, req) | |
191 | short act, ostate; | |
192 | struct tcpcb *atp, *tp; | |
193 | struct tcpiphdr *ti; | |
194 | int req; | |
195 | { | |
196 | tcp_seq seq, ack; | |
10ce0f6a | 197 | int len, flags, win, timer; |
9a3a7863 BJ |
198 | char *cp; |
199 | ||
200 | ptime(ntime); | |
175d35a6 | 201 | printf("%s:%s ", tcpstates[ostate], tanames[act]); |
9a3a7863 BJ |
202 | switch (act) { |
203 | ||
204 | case TA_INPUT: | |
205 | case TA_OUTPUT: | |
49173cdd SL |
206 | if (aflag) { |
207 | printf("(src=%s,%d, ", ntoa(ti->ti_src), | |
208 | ntohs(ti->ti_sport)); | |
209 | printf("dst=%s,%d)", ntoa(ti->ti_dst), | |
210 | ntohs(ti->ti_dport)); | |
211 | } | |
9a3a7863 BJ |
212 | seq = ti->ti_seq; |
213 | ack = ti->ti_ack; | |
214 | len = ti->ti_len; | |
215 | win = ti->ti_win; | |
9a3a7863 BJ |
216 | if (act == TA_OUTPUT) { |
217 | seq = ntohl(seq); | |
218 | ack = ntohl(ack); | |
219 | len = ntohs(len); | |
220 | win = ntohs(win); | |
221 | } | |
9a3a7863 BJ |
222 | if (act == TA_OUTPUT) |
223 | len -= sizeof (struct tcphdr); | |
224 | if (len) | |
225 | printf("[%x..%x)", seq, seq+len); | |
226 | else | |
227 | printf("%x", seq); | |
228 | printf("@%x", ack); | |
229 | if (win) | |
230 | printf("(win=%d)", win); | |
231 | flags = ti->ti_flags; | |
232 | if (flags) { | |
233 | char *cp = "<"; | |
234 | #define pf(f) { if (ti->ti_flags&TH_/**/f) { printf("%s%s", cp, "f"); cp = ","; } } | |
ed06dc42 | 235 | pf(SYN); pf(ACK); pf(FIN); pf(RST); pf(PUSH); pf(URG); |
9a3a7863 BJ |
236 | printf(">"); |
237 | } | |
238 | break; | |
239 | ||
240 | case TA_USER: | |
10ce0f6a SL |
241 | timer = req >> 8; |
242 | req &= 0xff; | |
243 | printf("%s", prurequests[req]); | |
244 | if (req == PRU_SLOWTIMO || req == PRU_FASTTIMO) | |
245 | printf("<%s>", tcptimers[timer]); | |
9a3a7863 BJ |
246 | break; |
247 | } | |
248 | printf(" -> %s", tcpstates[tp->t_state]); | |
249 | /* print out internal state of tp !?! */ | |
250 | printf("\n"); | |
251 | if (sflag) { | |
252 | printf("\trcv_nxt %x rcv_wnd %d snd_una %x snd_nxt %x snd_max %x\n", | |
eb0fbeab SL |
253 | tp->rcv_nxt, tp->rcv_wnd, tp->snd_una, tp->snd_nxt, |
254 | tp->snd_max); | |
255 | printf("\tsnd_wl1 %x snd_wl2 %x snd_wnd %x\n", tp->snd_wl1, | |
256 | tp->snd_wl2, tp->snd_wnd); | |
9a3a7863 | 257 | } |
175d35a6 SL |
258 | /* print out timers? */ |
259 | if (tflag) { | |
260 | char *cp = "\t"; | |
261 | register int i; | |
262 | ||
263 | for (i = 0; i < TCPT_NTIMERS; i++) { | |
264 | if (tp->t_timer[i] == 0) | |
265 | continue; | |
266 | printf("%s%s=%d", cp, tcptimers[i], tp->t_timer[i]); | |
267 | if (i == TCPT_REXMT) | |
268 | printf(" (t_rxtshft=%d)", tp->t_rxtshift); | |
269 | cp = ", "; | |
270 | } | |
271 | if (*cp != '\t') | |
272 | putchar('\n'); | |
273 | } | |
9a3a7863 BJ |
274 | } |
275 | ||
276 | ptime(ms) | |
277 | int ms; | |
278 | { | |
279 | ||
280 | printf("%03d ", (ms/10) % 1000); | |
281 | } | |
175d35a6 SL |
282 | |
283 | numeric(c1, c2) | |
284 | caddr_t *c1, *c2; | |
285 | { | |
286 | ||
287 | return (*c1 - *c2); | |
288 | } | |
49173cdd SL |
289 | |
290 | /* | |
291 | * Convert network-format internet address | |
292 | * to base 256 d.d.d.d representation. | |
293 | */ | |
294 | char * | |
295 | ntoa(in) | |
296 | struct in_addr in; | |
297 | { | |
298 | static char b[18]; | |
299 | register char *p; | |
300 | ||
301 | in.s_addr = ntohl(in.s_addr); | |
302 | p = (char *)∈ | |
303 | #define UC(b) (((int)b)&0xff) | |
304 | sprintf(b, "%d.%d.%d.%d", UC(p[0]), UC(p[1]), UC(p[2]), UC(p[3])); | |
305 | return (b); | |
306 | } |