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) 1997-2001 by Sun Microsystems, Inc. 24*0Sstevel@tonic-gate * All rights reserved. 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 <string.h> 32*0Sstevel@tonic-gate #include <fcntl.h> 33*0Sstevel@tonic-gate #include <errno.h> 34*0Sstevel@tonic-gate #include "libproc.h" 35*0Sstevel@tonic-gate 36*0Sstevel@tonic-gate /* 37*0Sstevel@tonic-gate * open() system call -- executed by subject process. 38*0Sstevel@tonic-gate */ 39*0Sstevel@tonic-gate int 40*0Sstevel@tonic-gate pr_open(struct ps_prochandle *Pr, const char *filename, int flags, mode_t mode) 41*0Sstevel@tonic-gate { 42*0Sstevel@tonic-gate sysret_t rval; /* return value from open() */ 43*0Sstevel@tonic-gate argdes_t argd[3]; /* arg descriptors for open() */ 44*0Sstevel@tonic-gate argdes_t *adp; 45*0Sstevel@tonic-gate int error; 46*0Sstevel@tonic-gate 47*0Sstevel@tonic-gate if (Pr == NULL) /* no subject process */ 48*0Sstevel@tonic-gate return (open(filename, flags, mode)); 49*0Sstevel@tonic-gate 50*0Sstevel@tonic-gate adp = &argd[0]; /* filename argument */ 51*0Sstevel@tonic-gate adp->arg_value = 0; 52*0Sstevel@tonic-gate adp->arg_object = (void *)filename; 53*0Sstevel@tonic-gate adp->arg_type = AT_BYREF; 54*0Sstevel@tonic-gate adp->arg_inout = AI_INPUT; 55*0Sstevel@tonic-gate adp->arg_size = strlen(filename)+1; 56*0Sstevel@tonic-gate 57*0Sstevel@tonic-gate adp++; /* flags argument */ 58*0Sstevel@tonic-gate adp->arg_value = (long)flags; 59*0Sstevel@tonic-gate adp->arg_object = NULL; 60*0Sstevel@tonic-gate adp->arg_type = AT_BYVAL; 61*0Sstevel@tonic-gate adp->arg_inout = AI_INPUT; 62*0Sstevel@tonic-gate adp->arg_size = 0; 63*0Sstevel@tonic-gate 64*0Sstevel@tonic-gate adp++; /* mode argument */ 65*0Sstevel@tonic-gate adp->arg_value = (long)mode; 66*0Sstevel@tonic-gate adp->arg_object = NULL; 67*0Sstevel@tonic-gate adp->arg_type = AT_BYVAL; 68*0Sstevel@tonic-gate adp->arg_inout = AI_INPUT; 69*0Sstevel@tonic-gate adp->arg_size = 0; 70*0Sstevel@tonic-gate 71*0Sstevel@tonic-gate error = Psyscall(Pr, &rval, SYS_open, 3, &argd[0]); 72*0Sstevel@tonic-gate 73*0Sstevel@tonic-gate if (error) { 74*0Sstevel@tonic-gate errno = (error > 0)? error : ENOSYS; 75*0Sstevel@tonic-gate return (-1); 76*0Sstevel@tonic-gate } 77*0Sstevel@tonic-gate return (rval.sys_rval1); 78*0Sstevel@tonic-gate } 79*0Sstevel@tonic-gate 80*0Sstevel@tonic-gate /* 81*0Sstevel@tonic-gate * creat() system call -- executed by subject process. 82*0Sstevel@tonic-gate */ 83*0Sstevel@tonic-gate int 84*0Sstevel@tonic-gate pr_creat(struct ps_prochandle *Pr, const char *filename, mode_t mode) 85*0Sstevel@tonic-gate { 86*0Sstevel@tonic-gate sysret_t rval; /* return value from creat() */ 87*0Sstevel@tonic-gate argdes_t argd[2]; /* arg descriptors for creat() */ 88*0Sstevel@tonic-gate argdes_t *adp; 89*0Sstevel@tonic-gate int error; 90*0Sstevel@tonic-gate 91*0Sstevel@tonic-gate if (Pr == NULL) /* no subject process */ 92*0Sstevel@tonic-gate return (creat(filename, mode)); 93*0Sstevel@tonic-gate 94*0Sstevel@tonic-gate adp = &argd[0]; /* filename argument */ 95*0Sstevel@tonic-gate adp->arg_value = 0; 96*0Sstevel@tonic-gate adp->arg_object = (void *)filename; 97*0Sstevel@tonic-gate adp->arg_type = AT_BYREF; 98*0Sstevel@tonic-gate adp->arg_inout = AI_INPUT; 99*0Sstevel@tonic-gate adp->arg_size = strlen(filename)+1; 100*0Sstevel@tonic-gate 101*0Sstevel@tonic-gate adp++; /* mode argument */ 102*0Sstevel@tonic-gate adp->arg_value = (long)mode; 103*0Sstevel@tonic-gate adp->arg_object = NULL; 104*0Sstevel@tonic-gate adp->arg_type = AT_BYVAL; 105*0Sstevel@tonic-gate adp->arg_inout = AI_INPUT; 106*0Sstevel@tonic-gate adp->arg_size = 0; 107*0Sstevel@tonic-gate 108*0Sstevel@tonic-gate error = Psyscall(Pr, &rval, SYS_creat, 2, &argd[0]); 109*0Sstevel@tonic-gate 110*0Sstevel@tonic-gate if (error) { 111*0Sstevel@tonic-gate errno = (error > 0)? error : ENOSYS; 112*0Sstevel@tonic-gate return (-1); 113*0Sstevel@tonic-gate } 114*0Sstevel@tonic-gate return (rval.sys_rval1); 115*0Sstevel@tonic-gate } 116*0Sstevel@tonic-gate 117*0Sstevel@tonic-gate /* 118*0Sstevel@tonic-gate * close() system call -- executed by subject process. 119*0Sstevel@tonic-gate */ 120*0Sstevel@tonic-gate int 121*0Sstevel@tonic-gate pr_close(struct ps_prochandle *Pr, int fd) 122*0Sstevel@tonic-gate { 123*0Sstevel@tonic-gate sysret_t rval; /* return value from close() */ 124*0Sstevel@tonic-gate argdes_t argd[1]; /* arg descriptors for close() */ 125*0Sstevel@tonic-gate argdes_t *adp; 126*0Sstevel@tonic-gate int error; 127*0Sstevel@tonic-gate 128*0Sstevel@tonic-gate if (Pr == NULL) /* no subject process */ 129*0Sstevel@tonic-gate return (close(fd)); 130*0Sstevel@tonic-gate 131*0Sstevel@tonic-gate adp = &argd[0]; /* fd argument */ 132*0Sstevel@tonic-gate adp->arg_value = (int)fd; 133*0Sstevel@tonic-gate adp->arg_object = NULL; 134*0Sstevel@tonic-gate adp->arg_type = AT_BYVAL; 135*0Sstevel@tonic-gate adp->arg_inout = AI_INPUT; 136*0Sstevel@tonic-gate adp->arg_size = 0; 137*0Sstevel@tonic-gate 138*0Sstevel@tonic-gate error = Psyscall(Pr, &rval, SYS_close, 1, &argd[0]); 139*0Sstevel@tonic-gate 140*0Sstevel@tonic-gate if (error) { 141*0Sstevel@tonic-gate errno = (error > 0)? error : ENOSYS; 142*0Sstevel@tonic-gate return (-1); 143*0Sstevel@tonic-gate } 144*0Sstevel@tonic-gate return (rval.sys_rval1); 145*0Sstevel@tonic-gate } 146*0Sstevel@tonic-gate 147*0Sstevel@tonic-gate /* 148*0Sstevel@tonic-gate * access() system call -- executed by subject process. 149*0Sstevel@tonic-gate */ 150*0Sstevel@tonic-gate int 151*0Sstevel@tonic-gate pr_access(struct ps_prochandle *Pr, const char *path, int amode) 152*0Sstevel@tonic-gate { 153*0Sstevel@tonic-gate sysret_t rval; /* return from access() */ 154*0Sstevel@tonic-gate argdes_t argd[2]; /* arg descriptors for access() */ 155*0Sstevel@tonic-gate argdes_t *adp; 156*0Sstevel@tonic-gate int err; 157*0Sstevel@tonic-gate 158*0Sstevel@tonic-gate if (Pr == NULL) /* no subject process */ 159*0Sstevel@tonic-gate return (access(path, amode)); 160*0Sstevel@tonic-gate 161*0Sstevel@tonic-gate adp = &argd[0]; /* path argument */ 162*0Sstevel@tonic-gate adp->arg_value = 0; 163*0Sstevel@tonic-gate adp->arg_object = (void *)path; 164*0Sstevel@tonic-gate adp->arg_type = AT_BYREF; 165*0Sstevel@tonic-gate adp->arg_inout = AI_INPUT; 166*0Sstevel@tonic-gate adp->arg_size = strlen(path) + 1; 167*0Sstevel@tonic-gate 168*0Sstevel@tonic-gate adp++; /* amode argument */ 169*0Sstevel@tonic-gate adp->arg_value = (long)amode; 170*0Sstevel@tonic-gate adp->arg_object = NULL; 171*0Sstevel@tonic-gate adp->arg_type = AT_BYVAL; 172*0Sstevel@tonic-gate adp->arg_inout = AI_INPUT; 173*0Sstevel@tonic-gate adp->arg_size = 0; 174*0Sstevel@tonic-gate 175*0Sstevel@tonic-gate err = Psyscall(Pr, &rval, SYS_access, 2, &argd[0]); 176*0Sstevel@tonic-gate 177*0Sstevel@tonic-gate if (err) { 178*0Sstevel@tonic-gate errno = (err > 0) ? err : ENOSYS; 179*0Sstevel@tonic-gate return (-1); 180*0Sstevel@tonic-gate } 181*0Sstevel@tonic-gate 182*0Sstevel@tonic-gate return (rval.sys_rval1); 183*0Sstevel@tonic-gate } 184