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 1998-2003 Sun Microsystems, Inc. All rights reserved.
24*0Sstevel@tonic-gate * Use is subject to license terms.
25*0Sstevel@tonic-gate */
26*0Sstevel@tonic-gate
27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI"
28*0Sstevel@tonic-gate
29*0Sstevel@tonic-gate #include <stdlib.h>
30*0Sstevel@tonic-gate #include <unistd.h>
31*0Sstevel@tonic-gate #include <errno.h>
32*0Sstevel@tonic-gate #include <sys/types.h>
33*0Sstevel@tonic-gate #include <sys/stream.h>
34*0Sstevel@tonic-gate #include <sys/socket.h>
35*0Sstevel@tonic-gate #include <sys/socketvar.h>
36*0Sstevel@tonic-gate #include "libproc.h"
37*0Sstevel@tonic-gate
38*0Sstevel@tonic-gate static int
get_sock_peer_name(struct ps_prochandle * Pr,int syscall,int sock,struct sockaddr * name,socklen_t * namelen)39*0Sstevel@tonic-gate get_sock_peer_name(struct ps_prochandle *Pr,
40*0Sstevel@tonic-gate int syscall, int sock, struct sockaddr *name, socklen_t *namelen)
41*0Sstevel@tonic-gate {
42*0Sstevel@tonic-gate sysret_t rval; /* return value from get{sock|peer}name() */
43*0Sstevel@tonic-gate argdes_t argd[4]; /* arg descriptors for get{sock|peer}name() */
44*0Sstevel@tonic-gate argdes_t *adp;
45*0Sstevel@tonic-gate int error;
46*0Sstevel@tonic-gate
47*0Sstevel@tonic-gate adp = &argd[0]; /* sock argument */
48*0Sstevel@tonic-gate adp->arg_value = sock;
49*0Sstevel@tonic-gate adp->arg_object = NULL;
50*0Sstevel@tonic-gate adp->arg_type = AT_BYVAL;
51*0Sstevel@tonic-gate adp->arg_inout = AI_INPUT;
52*0Sstevel@tonic-gate adp->arg_size = 0;
53*0Sstevel@tonic-gate
54*0Sstevel@tonic-gate adp++; /* name argument */
55*0Sstevel@tonic-gate adp->arg_value = 0;
56*0Sstevel@tonic-gate adp->arg_object = name;
57*0Sstevel@tonic-gate adp->arg_type = AT_BYREF;
58*0Sstevel@tonic-gate adp->arg_inout = AI_OUTPUT;
59*0Sstevel@tonic-gate adp->arg_size = *namelen;
60*0Sstevel@tonic-gate
61*0Sstevel@tonic-gate adp++; /* namelen argument */
62*0Sstevel@tonic-gate adp->arg_value = 0;
63*0Sstevel@tonic-gate adp->arg_object = namelen;
64*0Sstevel@tonic-gate adp->arg_type = AT_BYREF;
65*0Sstevel@tonic-gate adp->arg_inout = AI_INOUT;
66*0Sstevel@tonic-gate adp->arg_size = sizeof (*namelen);
67*0Sstevel@tonic-gate
68*0Sstevel@tonic-gate adp++; /* version argument */
69*0Sstevel@tonic-gate adp->arg_value = SOV_DEFAULT;
70*0Sstevel@tonic-gate adp->arg_object = NULL;
71*0Sstevel@tonic-gate adp->arg_type = AT_BYVAL;
72*0Sstevel@tonic-gate adp->arg_inout = AI_INPUT;
73*0Sstevel@tonic-gate adp->arg_size = 0;
74*0Sstevel@tonic-gate
75*0Sstevel@tonic-gate error = Psyscall(Pr, &rval, syscall, 4, &argd[0]);
76*0Sstevel@tonic-gate
77*0Sstevel@tonic-gate if (error) {
78*0Sstevel@tonic-gate errno = (error > 0)? error : ENOSYS;
79*0Sstevel@tonic-gate return (-1);
80*0Sstevel@tonic-gate }
81*0Sstevel@tonic-gate return (0);
82*0Sstevel@tonic-gate }
83*0Sstevel@tonic-gate
84*0Sstevel@tonic-gate /* libc system call interface */
85*0Sstevel@tonic-gate extern int _so_getsockname(int, struct sockaddr *, socklen_t *, int);
86*0Sstevel@tonic-gate extern int _so_getpeername(int, struct sockaddr *, socklen_t *, int);
87*0Sstevel@tonic-gate extern int _so_getsockopt(int, int, int, void *, int *);
88*0Sstevel@tonic-gate
89*0Sstevel@tonic-gate /*
90*0Sstevel@tonic-gate * getsockname() system call -- executed by subject process
91*0Sstevel@tonic-gate */
92*0Sstevel@tonic-gate int
pr_getsockname(struct ps_prochandle * Pr,int sock,struct sockaddr * name,socklen_t * namelen)93*0Sstevel@tonic-gate pr_getsockname(struct ps_prochandle *Pr,
94*0Sstevel@tonic-gate int sock, struct sockaddr *name, socklen_t *namelen)
95*0Sstevel@tonic-gate {
96*0Sstevel@tonic-gate if (Pr == NULL) /* no subject process */
97*0Sstevel@tonic-gate return (_so_getsockname(sock, name, namelen, SOV_DEFAULT));
98*0Sstevel@tonic-gate
99*0Sstevel@tonic-gate return (get_sock_peer_name(Pr, SYS_getsockname, sock, name, namelen));
100*0Sstevel@tonic-gate }
101*0Sstevel@tonic-gate
102*0Sstevel@tonic-gate /*
103*0Sstevel@tonic-gate * getpeername() system call -- executed by subject process
104*0Sstevel@tonic-gate */
105*0Sstevel@tonic-gate int
pr_getpeername(struct ps_prochandle * Pr,int sock,struct sockaddr * name,socklen_t * namelen)106*0Sstevel@tonic-gate pr_getpeername(struct ps_prochandle *Pr,
107*0Sstevel@tonic-gate int sock, struct sockaddr *name, socklen_t *namelen)
108*0Sstevel@tonic-gate {
109*0Sstevel@tonic-gate if (Pr == NULL) /* no subject process */
110*0Sstevel@tonic-gate return (_so_getpeername(sock, name, namelen, SOV_DEFAULT));
111*0Sstevel@tonic-gate
112*0Sstevel@tonic-gate return (get_sock_peer_name(Pr, SYS_getpeername, sock, name, namelen));
113*0Sstevel@tonic-gate }
114*0Sstevel@tonic-gate
115*0Sstevel@tonic-gate int
pr_getsockopt(struct ps_prochandle * Pr,int sock,int level,int optname,void * optval,int * optlen)116*0Sstevel@tonic-gate pr_getsockopt(struct ps_prochandle *Pr,
117*0Sstevel@tonic-gate int sock, int level, int optname, void *optval, int *optlen)
118*0Sstevel@tonic-gate {
119*0Sstevel@tonic-gate sysret_t rval; /* return value from getsockopt() */
120*0Sstevel@tonic-gate argdes_t argd[5]; /* arg descriptors for getsockopt() */
121*0Sstevel@tonic-gate argdes_t *adp;
122*0Sstevel@tonic-gate int error;
123*0Sstevel@tonic-gate
124*0Sstevel@tonic-gate if (Pr == NULL) /* no subject process */
125*0Sstevel@tonic-gate return (_so_getsockopt(sock, level, optname, optval, optlen));
126*0Sstevel@tonic-gate
127*0Sstevel@tonic-gate adp = &argd[0]; /* sock argument */
128*0Sstevel@tonic-gate adp->arg_value = sock;
129*0Sstevel@tonic-gate adp->arg_object = NULL;
130*0Sstevel@tonic-gate adp->arg_type = AT_BYVAL;
131*0Sstevel@tonic-gate adp->arg_inout = AI_INPUT;
132*0Sstevel@tonic-gate adp->arg_size = 0;
133*0Sstevel@tonic-gate
134*0Sstevel@tonic-gate adp++; /* level argument */
135*0Sstevel@tonic-gate adp->arg_value = level;
136*0Sstevel@tonic-gate adp->arg_object = NULL;
137*0Sstevel@tonic-gate adp->arg_type = AT_BYVAL;
138*0Sstevel@tonic-gate adp->arg_inout = AI_INPUT;
139*0Sstevel@tonic-gate adp->arg_size = 0;
140*0Sstevel@tonic-gate
141*0Sstevel@tonic-gate adp++; /* optname argument */
142*0Sstevel@tonic-gate adp->arg_value = optname;
143*0Sstevel@tonic-gate adp->arg_object = NULL;
144*0Sstevel@tonic-gate adp->arg_type = AT_BYVAL;
145*0Sstevel@tonic-gate adp->arg_inout = AI_INPUT;
146*0Sstevel@tonic-gate adp->arg_size = 0;
147*0Sstevel@tonic-gate
148*0Sstevel@tonic-gate adp++; /* optval argument */
149*0Sstevel@tonic-gate adp->arg_value = 0;
150*0Sstevel@tonic-gate adp->arg_object = optval;
151*0Sstevel@tonic-gate adp->arg_type = AT_BYREF;
152*0Sstevel@tonic-gate adp->arg_inout = AI_OUTPUT;
153*0Sstevel@tonic-gate adp->arg_size = optlen == NULL ? 0 : *optlen;
154*0Sstevel@tonic-gate
155*0Sstevel@tonic-gate adp++; /* optlen argument */
156*0Sstevel@tonic-gate adp->arg_value = 0;
157*0Sstevel@tonic-gate adp->arg_object = optlen;
158*0Sstevel@tonic-gate adp->arg_type = AT_BYREF;
159*0Sstevel@tonic-gate adp->arg_inout = AI_INOUT;
160*0Sstevel@tonic-gate adp->arg_size = sizeof (*optlen);
161*0Sstevel@tonic-gate
162*0Sstevel@tonic-gate error = Psyscall(Pr, &rval, SYS_getsockopt, 5, &argd[0]);
163*0Sstevel@tonic-gate
164*0Sstevel@tonic-gate if (error) {
165*0Sstevel@tonic-gate errno = (error > 0)? error : ENOSYS;
166*0Sstevel@tonic-gate return (-1);
167*0Sstevel@tonic-gate }
168*0Sstevel@tonic-gate return (0);
169*0Sstevel@tonic-gate }
170