1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright (c) 1998-2000 by Sun Microsystems, Inc. 24 * All rights reserved. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include <stdlib.h> 30 #include <unistd.h> 31 #include <string.h> 32 #include <errno.h> 33 #include "libproc.h" 34 35 /* 36 * rename() system call -- executed by subject process. 37 */ 38 int 39 pr_rename(struct ps_prochandle *Pr, const char *old, const char *new) 40 { 41 sysret_t rval; 42 argdes_t argd[2]; 43 argdes_t *adp; 44 int error; 45 46 if (Pr == NULL) 47 return (rename(old, new)); 48 49 adp = &argd[0]; /* old argument */ 50 adp->arg_value = 0; 51 adp->arg_object = (void *)old; 52 adp->arg_type = AT_BYREF; 53 adp->arg_inout = AI_INPUT; 54 adp->arg_size = strlen(old) + 1; 55 56 adp++; /* new argument */ 57 adp->arg_value = 0; 58 adp->arg_object = (void *)new; 59 adp->arg_type = AT_BYREF; 60 adp->arg_inout = AI_INPUT; 61 adp->arg_size = strlen(new) + 1; 62 63 error = Psyscall(Pr, &rval, SYS_rename, 2, &argd[0]); 64 65 if (error) { 66 errno = (error > 0) ? error : ENOSYS; 67 return (-1); 68 } 69 return (rval.sys_rval1); 70 } 71 72 /* 73 * link() system call -- executed by subject process. 74 */ 75 int 76 pr_link(struct ps_prochandle *Pr, const char *existing, const char *new) 77 { 78 sysret_t rval; 79 argdes_t argd[2]; 80 argdes_t *adp; 81 int error; 82 83 if (Pr == NULL) 84 return (link(existing, new)); 85 86 adp = &argd[0]; /* existing argument */ 87 adp->arg_value = 0; 88 adp->arg_object = (void *)existing; 89 adp->arg_type = AT_BYREF; 90 adp->arg_inout = AI_INPUT; 91 adp->arg_size = strlen(existing) + 1; 92 93 adp++; /* new argument */ 94 adp->arg_value = 0; 95 adp->arg_object = (void *)new; 96 adp->arg_type = AT_BYREF; 97 adp->arg_inout = AI_INPUT; 98 adp->arg_size = strlen(new) + 1; 99 100 error = Psyscall(Pr, &rval, SYS_link, 2, &argd[0]); 101 102 if (error) { 103 errno = (error > 0) ? error : ENOSYS; 104 return (-1); 105 } 106 return (rval.sys_rval1); 107 } 108 109 /* 110 * unlink() system call -- executed by subject process. 111 */ 112 int 113 pr_unlink(struct ps_prochandle *Pr, const char *path) 114 { 115 sysret_t rval; 116 argdes_t argd[1]; 117 argdes_t *adp; 118 int error; 119 120 if (Pr == NULL) 121 return (unlink(path)); 122 123 adp = &argd[0]; /* path argument */ 124 adp->arg_value = 0; 125 adp->arg_object = (void *)path; 126 adp->arg_type = AT_BYREF; 127 adp->arg_inout = AI_INPUT; 128 adp->arg_size = strlen(path) + 1; 129 130 error = Psyscall(Pr, &rval, SYS_unlink, 1, &argd[0]); 131 132 if (error) { 133 errno = (error > 0) ? error : ENOSYS; 134 return (-1); 135 } 136 return (rval.sys_rval1); 137 } 138