xref: /onnv-gate/usr/src/cmd/cmd-inet/usr.sbin/snoop/snoop_bparam.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright (c) 1991, 1999 by Sun Microsystems, Inc.
24*0Sstevel@tonic-gate  * All rights reserved.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate #ident	"%Z%%M%	%I%	%E% SMI"	/* SunOS	*/
28*0Sstevel@tonic-gate 
29*0Sstevel@tonic-gate #include <sys/types.h>
30*0Sstevel@tonic-gate #include <sys/errno.h>
31*0Sstevel@tonic-gate #include <setjmp.h>
32*0Sstevel@tonic-gate #include <string.h>
33*0Sstevel@tonic-gate 
34*0Sstevel@tonic-gate #include <netinet/in.h>
35*0Sstevel@tonic-gate #include <rpc/types.h>
36*0Sstevel@tonic-gate #include <rpc/rpc.h>
37*0Sstevel@tonic-gate #include <rpc/xdr.h>
38*0Sstevel@tonic-gate #include <rpc/auth.h>
39*0Sstevel@tonic-gate #include <rpc/clnt.h>
40*0Sstevel@tonic-gate #include <rpc/rpc_msg.h>
41*0Sstevel@tonic-gate #include <rpcsvc/bootparam_prot.h>
42*0Sstevel@tonic-gate #include "snoop.h"
43*0Sstevel@tonic-gate 
44*0Sstevel@tonic-gate extern char *dlc_header;
45*0Sstevel@tonic-gate extern jmp_buf xdr_err;
46*0Sstevel@tonic-gate 
47*0Sstevel@tonic-gate static void show_address(char *);
48*0Sstevel@tonic-gate static char *sum_address(void);
49*0Sstevel@tonic-gate 
50*0Sstevel@tonic-gate static char *procnames_short[] = {
51*0Sstevel@tonic-gate 	"Null",		/*  0 */
52*0Sstevel@tonic-gate 	"WHOAMI?",	/*  1 */
53*0Sstevel@tonic-gate 	"GETFILE",	/*  2 */
54*0Sstevel@tonic-gate };
55*0Sstevel@tonic-gate 
56*0Sstevel@tonic-gate static char *procnames_long[] = {
57*0Sstevel@tonic-gate 	"Null procedure",	/*  0 */
58*0Sstevel@tonic-gate 	"Who am I?",		/*  1 */
59*0Sstevel@tonic-gate 	"Get file name",	/*  2 */
60*0Sstevel@tonic-gate };
61*0Sstevel@tonic-gate 
62*0Sstevel@tonic-gate #define	MAXPROC	2
63*0Sstevel@tonic-gate 
64*0Sstevel@tonic-gate void
interpret_bparam(flags,type,xid,vers,proc,data,len)65*0Sstevel@tonic-gate interpret_bparam(flags, type, xid, vers, proc, data, len)
66*0Sstevel@tonic-gate 	int flags, type, xid, vers, proc;
67*0Sstevel@tonic-gate 	char *data;
68*0Sstevel@tonic-gate 	int len;
69*0Sstevel@tonic-gate {
70*0Sstevel@tonic-gate 	char *line;
71*0Sstevel@tonic-gate 	char buff[MAX_PATH_LEN + 1];
72*0Sstevel@tonic-gate 	char buff2[MAX_MACHINE_NAME + 1];
73*0Sstevel@tonic-gate 
74*0Sstevel@tonic-gate 	if (proc < 0 || proc > MAXPROC)
75*0Sstevel@tonic-gate 		return;
76*0Sstevel@tonic-gate 
77*0Sstevel@tonic-gate 	if (flags & F_SUM) {
78*0Sstevel@tonic-gate 		if (setjmp(xdr_err)) {
79*0Sstevel@tonic-gate 			return;
80*0Sstevel@tonic-gate 		}
81*0Sstevel@tonic-gate 
82*0Sstevel@tonic-gate 		line = get_sum_line();
83*0Sstevel@tonic-gate 
84*0Sstevel@tonic-gate 		if (type == CALL) {
85*0Sstevel@tonic-gate 			(void) sprintf(line,
86*0Sstevel@tonic-gate 				"BPARAM C %s",
87*0Sstevel@tonic-gate 				procnames_short[proc]);
88*0Sstevel@tonic-gate 			line += strlen(line);
89*0Sstevel@tonic-gate 
90*0Sstevel@tonic-gate 			switch (proc) {
91*0Sstevel@tonic-gate 			case BOOTPARAMPROC_WHOAMI:
92*0Sstevel@tonic-gate 				(void) sprintf(line, " %s",
93*0Sstevel@tonic-gate 					sum_address());
94*0Sstevel@tonic-gate 				break;
95*0Sstevel@tonic-gate 			case BOOTPARAMPROC_GETFILE:
96*0Sstevel@tonic-gate 				(void) getxdr_string(buff,
97*0Sstevel@tonic-gate 					MAX_MACHINE_NAME);
98*0Sstevel@tonic-gate 				(void) sprintf(line, " %s",
99*0Sstevel@tonic-gate 					getxdr_string(buff,
100*0Sstevel@tonic-gate 					MAX_FILEID));
101*0Sstevel@tonic-gate 				break;
102*0Sstevel@tonic-gate 			}
103*0Sstevel@tonic-gate 
104*0Sstevel@tonic-gate 			check_retransmit(line, xid);
105*0Sstevel@tonic-gate 		} else {
106*0Sstevel@tonic-gate 			(void) sprintf(line, "BPARAM R %s ",
107*0Sstevel@tonic-gate 				procnames_short[proc]);
108*0Sstevel@tonic-gate 			line += strlen(line);
109*0Sstevel@tonic-gate 			switch (proc) {
110*0Sstevel@tonic-gate 			case BOOTPARAMPROC_WHOAMI:
111*0Sstevel@tonic-gate 				(void) getxdr_string(buff,
112*0Sstevel@tonic-gate 					MAX_MACHINE_NAME);
113*0Sstevel@tonic-gate 				(void) getxdr_string(buff2,
114*0Sstevel@tonic-gate 					MAX_MACHINE_NAME);
115*0Sstevel@tonic-gate 				(void) sprintf(line, "%s in %s",
116*0Sstevel@tonic-gate 					buff, buff2);
117*0Sstevel@tonic-gate 				break;
118*0Sstevel@tonic-gate 			case BOOTPARAMPROC_GETFILE:
119*0Sstevel@tonic-gate 				(void) getxdr_string(buff,
120*0Sstevel@tonic-gate 					MAX_MACHINE_NAME);
121*0Sstevel@tonic-gate 				(void) sum_address();
122*0Sstevel@tonic-gate 				(void) sprintf(line, "File=%s",
123*0Sstevel@tonic-gate 					getxdr_string(buff,
124*0Sstevel@tonic-gate 						MAX_PATH_LEN));
125*0Sstevel@tonic-gate 				break;
126*0Sstevel@tonic-gate 			}
127*0Sstevel@tonic-gate 		}
128*0Sstevel@tonic-gate 	}
129*0Sstevel@tonic-gate 
130*0Sstevel@tonic-gate 	if (flags & F_DTAIL) {
131*0Sstevel@tonic-gate 		show_header("BPARAM:  ", "Boot Parameters", len);
132*0Sstevel@tonic-gate 		show_space();
133*0Sstevel@tonic-gate 		if (setjmp(xdr_err)) {
134*0Sstevel@tonic-gate 			return;
135*0Sstevel@tonic-gate 		}
136*0Sstevel@tonic-gate 		(void) sprintf(get_line(0, 0),
137*0Sstevel@tonic-gate 			"Proc = %d (%s)",
138*0Sstevel@tonic-gate 			proc, procnames_long[proc]);
139*0Sstevel@tonic-gate 
140*0Sstevel@tonic-gate 		if (type == CALL) {
141*0Sstevel@tonic-gate 			switch (proc) {
142*0Sstevel@tonic-gate 			case BOOTPARAMPROC_WHOAMI:
143*0Sstevel@tonic-gate 				show_address("Client address");
144*0Sstevel@tonic-gate 				break;
145*0Sstevel@tonic-gate 
146*0Sstevel@tonic-gate 			case BOOTPARAMPROC_GETFILE:
147*0Sstevel@tonic-gate 				(void) showxdr_string(MAX_MACHINE_NAME,
148*0Sstevel@tonic-gate 					"Hostname = %s");
149*0Sstevel@tonic-gate 				(void) showxdr_string(MAX_FILEID,
150*0Sstevel@tonic-gate 					"File = %s");
151*0Sstevel@tonic-gate 				break;
152*0Sstevel@tonic-gate 			}
153*0Sstevel@tonic-gate 		} else {
154*0Sstevel@tonic-gate 			switch (proc) {
155*0Sstevel@tonic-gate 			case BOOTPARAMPROC_WHOAMI:
156*0Sstevel@tonic-gate 				(void) showxdr_string(MAX_MACHINE_NAME,
157*0Sstevel@tonic-gate 					"Client name = %s");
158*0Sstevel@tonic-gate 				(void) showxdr_string(MAX_MACHINE_NAME,
159*0Sstevel@tonic-gate 					"Domain name = %s");
160*0Sstevel@tonic-gate 				show_address("Router addr");
161*0Sstevel@tonic-gate 				break;
162*0Sstevel@tonic-gate 
163*0Sstevel@tonic-gate 			case BOOTPARAMPROC_GETFILE:
164*0Sstevel@tonic-gate 				(void) showxdr_string(MAX_MACHINE_NAME,
165*0Sstevel@tonic-gate 					"Server name = %s");
166*0Sstevel@tonic-gate 				show_address("Server addr");
167*0Sstevel@tonic-gate 				(void) showxdr_string(MAX_PATH_LEN,
168*0Sstevel@tonic-gate 					"Server file = %s");
169*0Sstevel@tonic-gate 				break;
170*0Sstevel@tonic-gate 			}
171*0Sstevel@tonic-gate 		}
172*0Sstevel@tonic-gate 
173*0Sstevel@tonic-gate 		show_trailer();
174*0Sstevel@tonic-gate 	}
175*0Sstevel@tonic-gate }
176*0Sstevel@tonic-gate 
177*0Sstevel@tonic-gate static char *
sum_address()178*0Sstevel@tonic-gate sum_address()
179*0Sstevel@tonic-gate {
180*0Sstevel@tonic-gate 	struct in_addr host;
181*0Sstevel@tonic-gate 	extern char *inet_ntoa();
182*0Sstevel@tonic-gate 	int atype;
183*0Sstevel@tonic-gate 
184*0Sstevel@tonic-gate 	atype = getxdr_u_long();
185*0Sstevel@tonic-gate 	if (atype != IP_ADDR_TYPE)
186*0Sstevel@tonic-gate 		return ("?");
187*0Sstevel@tonic-gate 
188*0Sstevel@tonic-gate 	host.S_un.S_un_b.s_b1 = getxdr_char();
189*0Sstevel@tonic-gate 	host.S_un.S_un_b.s_b2 = getxdr_char();
190*0Sstevel@tonic-gate 	host.S_un.S_un_b.s_b3 = getxdr_char();
191*0Sstevel@tonic-gate 	host.S_un.S_un_b.s_b4 = getxdr_char();
192*0Sstevel@tonic-gate 
193*0Sstevel@tonic-gate 	return (inet_ntoa(host));
194*0Sstevel@tonic-gate }
195*0Sstevel@tonic-gate 
196*0Sstevel@tonic-gate static void
show_address(label)197*0Sstevel@tonic-gate show_address(label)
198*0Sstevel@tonic-gate 	char *label;
199*0Sstevel@tonic-gate {
200*0Sstevel@tonic-gate 	struct in_addr host;
201*0Sstevel@tonic-gate 	extern char *inet_ntoa();
202*0Sstevel@tonic-gate 	int atype;
203*0Sstevel@tonic-gate 
204*0Sstevel@tonic-gate 	atype = getxdr_u_long();
205*0Sstevel@tonic-gate 	if (atype == IP_ADDR_TYPE) {
206*0Sstevel@tonic-gate 		host.S_un.S_un_b.s_b1 = getxdr_char();
207*0Sstevel@tonic-gate 		host.S_un.S_un_b.s_b2 = getxdr_char();
208*0Sstevel@tonic-gate 		host.S_un.S_un_b.s_b3 = getxdr_char();
209*0Sstevel@tonic-gate 		host.S_un.S_un_b.s_b4 = getxdr_char();
210*0Sstevel@tonic-gate 
211*0Sstevel@tonic-gate 		(void) sprintf(get_line(0, 0),
212*0Sstevel@tonic-gate 			"%s = %s (%s)",
213*0Sstevel@tonic-gate 			label,
214*0Sstevel@tonic-gate 			inet_ntoa(host),
215*0Sstevel@tonic-gate 			addrtoname(AF_INET, &host));
216*0Sstevel@tonic-gate 	} else {
217*0Sstevel@tonic-gate 		(void) sprintf(get_line(0, 0),
218*0Sstevel@tonic-gate 		"Router addr = ? (type not known)");
219*0Sstevel@tonic-gate 	}
220*0Sstevel@tonic-gate }
221