2N/A/*
2N/A * CDDL HEADER START
2N/A *
2N/A * The contents of this file are subject to the terms of the
2N/A * Common Development and Distribution License (the "License").
2N/A * You may not use this file except in compliance with the License.
2N/A *
2N/A * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
2N/A * or http://www.opensolaris.org/os/licensing.
2N/A * See the License for the specific language governing permissions
2N/A * and limitations under the License.
2N/A *
2N/A * When distributing Covered Code, include this CDDL HEADER in each
2N/A * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
2N/A * If applicable, add the following below this CDDL HEADER, with the
2N/A * fields enclosed by brackets "[]" replaced with your own identifying
2N/A * information: Portions Copyright [yyyy] [name of copyright owner]
2N/A *
2N/A * CDDL HEADER END
2N/A */
2N/A
2N/A/*
2N/A * Copyright 2010 Sun Microsystems, Inc. All rights reserved.
2N/A * Use is subject to license terms.
2N/A */
2N/A
2N/A#include <sys/isa_defs.h>
2N/A#include <stdlib.h>
2N/A#include <unistd.h>
2N/A#include <string.h>
2N/A#include <errno.h>
2N/A#include <sys/types.h>
2N/A#include <sys/stat.h>
2N/A#include <sys/fcntl.h>
2N/A#include <sys/sysmacros.h>
2N/A#include "libproc.h"
2N/A
2N/A#ifdef _LP64
2N/A/*
2N/A * in case of 64-bit *stat() and *stat64 library call and 32-bit subject
2N/A * process convert 64-bit struct stat/stat64 into 32-bit struct stat64
2N/A */
2N/Astatic void
2N/Astat64_32_to_n(struct stat64_32 *src, struct stat *dest)
2N/A{
2N/A (void) memset(dest, 0, sizeof (*dest));
2N/A dest->st_dev = DEVEXPL(src->st_dev);
2N/A dest->st_ino = (ino_t)src->st_ino;
2N/A dest->st_mode = (mode_t)src->st_mode;
2N/A dest->st_nlink = (nlink_t)src->st_nlink;
2N/A dest->st_uid = (uid_t)src->st_uid;
2N/A dest->st_gid = (gid_t)src->st_gid;
2N/A dest->st_rdev = DEVEXPL(src->st_rdev);
2N/A dest->st_size = (off_t)src->st_size;
2N/A TIMESPEC32_TO_TIMESPEC(&dest->st_atim, &src->st_atim);
2N/A TIMESPEC32_TO_TIMESPEC(&dest->st_mtim, &src->st_mtim);
2N/A TIMESPEC32_TO_TIMESPEC(&dest->st_ctim, &src->st_ctim);
2N/A dest->st_blksize = (blksize_t)src->st_blksize;
2N/A dest->st_blocks = (blkcnt_t)src->st_blocks;
2N/A (void) memcpy(dest->st_fstype, src->st_fstype,
2N/A sizeof (dest->st_fstype));
2N/A}
2N/A#endif /* _LP64 */
2N/A
2N/A/*
2N/A * stat() system call -- executed by subject process
2N/A */
2N/Aint
2N/Apr_stat(struct ps_prochandle *Pr, const char *path, struct stat *buf)
2N/A{
2N/A sysret_t rval; /* return value from stat() */
2N/A argdes_t argd[4]; /* arg descriptors for fstatat() */
2N/A argdes_t *adp = &argd[0]; /* first argument */
2N/A int syscall; /* SYS_fstatat or SYS_fstatat64 */
2N/A int error;
2N/A#ifdef _LP64
2N/A struct stat64_32 statb64_32;
2N/A#endif /* _LP64 */
2N/A
2N/A if (Pr == NULL) /* no subject process */
2N/A return (stat(path, buf));
2N/A
2N/A if (Pstatus(Pr)->pr_dmodel != PR_MODEL_NATIVE) {
2N/A /* 64-bit process controls 32-bit subject process */
2N/A syscall = SYS_fstatat64;
2N/A } else {
2N/A syscall = SYS_fstatat;
2N/A }
2N/A
2N/A adp->arg_value = AT_FDCWD;
2N/A adp->arg_object = NULL;
2N/A adp->arg_type = AT_BYVAL;
2N/A adp->arg_inout = AI_INPUT;
2N/A adp->arg_size = 0;
2N/A adp++; /* move to path argument */
2N/A
2N/A adp->arg_value = 0;
2N/A adp->arg_object = (void *)path;
2N/A adp->arg_type = AT_BYREF;
2N/A adp->arg_inout = AI_INPUT;
2N/A adp->arg_size = strlen(path) + 1;
2N/A adp++; /* move to buffer argument */
2N/A
2N/A adp->arg_value = 0;
2N/A adp->arg_type = AT_BYREF;
2N/A adp->arg_inout = AI_OUTPUT;
2N/A#ifdef _LP64
2N/A if (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32) {
2N/A adp->arg_object = &statb64_32;
2N/A adp->arg_size = sizeof (statb64_32);
2N/A } else {
2N/A adp->arg_object = buf;
2N/A adp->arg_size = sizeof (*buf);
2N/A }
2N/A#else /* _LP64 */
2N/A adp->arg_object = buf;
2N/A adp->arg_size = sizeof (*buf);
2N/A#endif /* _LP64 */
2N/A adp++; /* move to flags argument */
2N/A
2N/A adp->arg_value = 0;
2N/A adp->arg_object = NULL;
2N/A adp->arg_type = AT_BYVAL;
2N/A adp->arg_inout = AI_INPUT;
2N/A adp->arg_size = 0;
2N/A
2N/A error = Psyscall(Pr, &rval, syscall, 4, &argd[0]);
2N/A
2N/A if (error) {
2N/A errno = (error > 0)? error : ENOSYS;
2N/A return (-1);
2N/A }
2N/A#ifdef _LP64
2N/A if (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32)
2N/A stat64_32_to_n(&statb64_32, buf);
2N/A#endif /* _LP64 */
2N/A return (0);
2N/A}
2N/A
2N/A/*
2N/A * lstat() system call -- executed by subject process
2N/A */
2N/Aint
2N/Apr_lstat(struct ps_prochandle *Pr, const char *path, struct stat *buf)
2N/A{
2N/A sysret_t rval; /* return value from stat() */
2N/A argdes_t argd[4]; /* arg descriptors for fstatat() */
2N/A argdes_t *adp = &argd[0]; /* first argument */
2N/A int syscall; /* SYS_fstatat or SYS_fstatat64 */
2N/A int error;
2N/A#ifdef _LP64
2N/A struct stat64_32 statb64_32;
2N/A#endif /* _LP64 */
2N/A
2N/A if (Pr == NULL) /* no subject process */
2N/A return (lstat(path, buf));
2N/A
2N/A if (Pstatus(Pr)->pr_dmodel != PR_MODEL_NATIVE) {
2N/A /* 64-bit process controls 32-bit subject process */
2N/A syscall = SYS_fstatat64;
2N/A } else {
2N/A syscall = SYS_fstatat;
2N/A }
2N/A
2N/A adp->arg_value = AT_FDCWD;
2N/A adp->arg_object = NULL;
2N/A adp->arg_type = AT_BYVAL;
2N/A adp->arg_inout = AI_INPUT;
2N/A adp->arg_size = 0;
2N/A adp++; /* move to path argument */
2N/A
2N/A adp->arg_value = 0;
2N/A adp->arg_object = (void *)path;
2N/A adp->arg_type = AT_BYREF;
2N/A adp->arg_inout = AI_INPUT;
2N/A adp->arg_size = strlen(path) + 1;
2N/A adp++; /* move to buffer argument */
2N/A
2N/A adp->arg_value = 0;
2N/A adp->arg_type = AT_BYREF;
2N/A adp->arg_inout = AI_OUTPUT;
2N/A#ifdef _LP64
2N/A if (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32) {
2N/A adp->arg_object = &statb64_32;
2N/A adp->arg_size = sizeof (statb64_32);
2N/A } else {
2N/A adp->arg_object = buf;
2N/A adp->arg_size = sizeof (*buf);
2N/A }
2N/A#else /* _LP64 */
2N/A adp->arg_object = buf;
2N/A adp->arg_size = sizeof (*buf);
2N/A#endif /* _LP64 */
2N/A adp++; /* move to flags argument */
2N/A
2N/A adp->arg_value = AT_SYMLINK_NOFOLLOW;
2N/A adp->arg_object = NULL;
2N/A adp->arg_type = AT_BYVAL;
2N/A adp->arg_inout = AI_INPUT;
2N/A adp->arg_size = 0;
2N/A
2N/A error = Psyscall(Pr, &rval, syscall, 4, &argd[0]);
2N/A
2N/A if (error) {
2N/A errno = (error > 0)? error : ENOSYS;
2N/A return (-1);
2N/A }
2N/A#ifdef _LP64
2N/A if (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32)
2N/A stat64_32_to_n(&statb64_32, buf);
2N/A#endif /* _LP64 */
2N/A return (0);
2N/A}
2N/A
2N/A/*
2N/A * fstat() system call -- executed by subject process
2N/A */
2N/Aint
2N/Apr_fstat(struct ps_prochandle *Pr, int fd, struct stat *buf)
2N/A{
2N/A sysret_t rval; /* return value from stat() */
2N/A argdes_t argd[4]; /* arg descriptors for fstatat() */
2N/A argdes_t *adp = &argd[0]; /* first argument */
2N/A int syscall; /* SYS_fstatat or SYS_fstatat64 */
2N/A int error;
2N/A#ifdef _LP64
2N/A struct stat64_32 statb64_32;
2N/A#endif /* _LP64 */
2N/A
2N/A if (Pr == NULL) /* no subject process */
2N/A return (fstat(fd, buf));
2N/A
2N/A if (Pstatus(Pr)->pr_dmodel != PR_MODEL_NATIVE) {
2N/A /* 64-bit process controls 32-bit subject process */
2N/A syscall = SYS_fstatat64;
2N/A } else {
2N/A syscall = SYS_fstatat;
2N/A }
2N/A
2N/A adp->arg_value = fd;
2N/A adp->arg_object = NULL;
2N/A adp->arg_type = AT_BYVAL;
2N/A adp->arg_inout = AI_INPUT;
2N/A adp->arg_size = 0;
2N/A adp++; /* move to path argument */
2N/A
2N/A adp->arg_value = 0;
2N/A adp->arg_object = NULL;
2N/A adp->arg_type = AT_BYVAL;
2N/A adp->arg_inout = AI_INPUT;
2N/A adp->arg_size = 0;
2N/A adp++; /* move to buffer argument */
2N/A
2N/A adp->arg_value = 0;
2N/A adp->arg_type = AT_BYREF;
2N/A adp->arg_inout = AI_OUTPUT;
2N/A#ifdef _LP64
2N/A if (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32) {
2N/A adp->arg_object = &statb64_32;
2N/A adp->arg_size = sizeof (statb64_32);
2N/A } else {
2N/A adp->arg_object = buf;
2N/A adp->arg_size = sizeof (*buf);
2N/A }
2N/A#else /* _LP64 */
2N/A adp->arg_object = buf;
2N/A adp->arg_size = sizeof (*buf);
2N/A#endif /* _LP64 */
2N/A adp++; /* move to flags argument */
2N/A
2N/A adp->arg_value = 0;
2N/A adp->arg_object = NULL;
2N/A adp->arg_type = AT_BYVAL;
2N/A adp->arg_inout = AI_INPUT;
2N/A adp->arg_size = 0;
2N/A
2N/A error = Psyscall(Pr, &rval, syscall, 4, &argd[0]);
2N/A
2N/A if (error) {
2N/A errno = (error > 0)? error : ENOSYS;
2N/A return (-1);
2N/A }
2N/A#ifdef _LP64
2N/A if (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32)
2N/A stat64_32_to_n(&statb64_32, buf);
2N/A#endif /* _LP64 */
2N/A return (0);
2N/A}
2N/A
2N/A/*
2N/A * stat64() system call -- executed by subject process
2N/A */
2N/Aint
2N/Apr_stat64(struct ps_prochandle *Pr, const char *path, struct stat64 *buf)
2N/A{
2N/A sysret_t rval; /* return value from stat() */
2N/A argdes_t argd[4]; /* arg descriptors for fstatat() */
2N/A argdes_t *adp = &argd[0]; /* first argument */
2N/A int syscall; /* SYS_fstatat or SYS_fstatat64 */
2N/A int error;
2N/A#ifdef _LP64
2N/A struct stat64_32 statb64_32;
2N/A#endif /* _LP64 */
2N/A
2N/A if (Pr == NULL) /* no subject process */
2N/A return (stat64(path, buf));
2N/A
2N/A if (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32) {
2N/A /*
2N/A * 32-bit native and
2N/A * 64-bit process controls 32-bit subject process
2N/A */
2N/A syscall = SYS_fstatat64;
2N/A } else {
2N/A /* 64-bit native */
2N/A syscall = SYS_fstatat;
2N/A }
2N/A
2N/A adp->arg_value = AT_FDCWD;
2N/A adp->arg_object = NULL;
2N/A adp->arg_type = AT_BYVAL;
2N/A adp->arg_inout = AI_INPUT;
2N/A adp->arg_size = 0;
2N/A adp++; /* move to path argument */
2N/A
2N/A adp->arg_value = 0;
2N/A adp->arg_object = (void *)path;
2N/A adp->arg_type = AT_BYREF;
2N/A adp->arg_inout = AI_INPUT;
2N/A adp->arg_size = strlen(path) + 1;
2N/A adp++; /* move to buffer argument */
2N/A
2N/A adp->arg_value = 0;
2N/A adp->arg_type = AT_BYREF;
2N/A adp->arg_inout = AI_OUTPUT;
2N/A#ifdef _LP64
2N/A if (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32) {
2N/A adp->arg_object = &statb64_32;
2N/A adp->arg_size = sizeof (statb64_32);
2N/A } else {
2N/A adp->arg_object = buf;
2N/A adp->arg_size = sizeof (*buf);
2N/A }
2N/A#else /* _LP64 */
2N/A adp->arg_object = buf;
2N/A adp->arg_size = sizeof (*buf);
2N/A#endif /* _LP64 */
2N/A adp++; /* move to flags argument */
2N/A
2N/A adp->arg_value = 0;
2N/A adp->arg_object = NULL;
2N/A adp->arg_type = AT_BYVAL;
2N/A adp->arg_inout = AI_INPUT;
2N/A adp->arg_size = 0;
2N/A
2N/A error = Psyscall(Pr, &rval, syscall, 4, &argd[0]);
2N/A
2N/A if (error) {
2N/A errno = (error > 0)? error : ENOSYS;
2N/A return (-1);
2N/A }
2N/A#ifdef _LP64
2N/A if (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32)
2N/A stat64_32_to_n(&statb64_32, (struct stat *)buf);
2N/A#endif /* _LP64 */
2N/A return (0);
2N/A}
2N/A
2N/A/*
2N/A * lstat64() system call -- executed by subject process
2N/A */
2N/Aint
2N/Apr_lstat64(struct ps_prochandle *Pr, const char *path, struct stat64 *buf)
2N/A{
2N/A sysret_t rval; /* return value from stat() */
2N/A argdes_t argd[4]; /* arg descriptors for fstatat() */
2N/A argdes_t *adp = &argd[0]; /* first argument */
2N/A int syscall; /* SYS_fstatat or SYS_fstatat64 */
2N/A int error;
2N/A#ifdef _LP64
2N/A struct stat64_32 statb64_32;
2N/A#endif /* _LP64 */
2N/A
2N/A if (Pr == NULL) /* no subject process */
2N/A return (lstat64(path, buf));
2N/A
2N/A if (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32) {
2N/A /*
2N/A * 32-bit native and
2N/A * 64-bit process controls 32-bit subject process
2N/A */
2N/A syscall = SYS_fstatat64;
2N/A } else {
2N/A /* 64-bit native */
2N/A syscall = SYS_fstatat;
2N/A }
2N/A
2N/A adp->arg_value = AT_FDCWD;
2N/A adp->arg_object = NULL;
2N/A adp->arg_type = AT_BYVAL;
2N/A adp->arg_inout = AI_INPUT;
2N/A adp->arg_size = 0;
2N/A adp++; /* move to path argument */
2N/A
2N/A adp->arg_value = 0;
2N/A adp->arg_object = (void *)path;
2N/A adp->arg_type = AT_BYREF;
2N/A adp->arg_inout = AI_INPUT;
2N/A adp->arg_size = strlen(path) + 1;
2N/A adp++; /* move to buffer argument */
2N/A
2N/A adp->arg_value = 0;
2N/A adp->arg_type = AT_BYREF;
2N/A adp->arg_inout = AI_OUTPUT;
2N/A#ifdef _LP64
2N/A if (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32) {
2N/A adp->arg_object = &statb64_32;
2N/A adp->arg_size = sizeof (statb64_32);
2N/A } else {
2N/A adp->arg_object = buf;
2N/A adp->arg_size = sizeof (*buf);
2N/A }
2N/A#else /* _LP64 */
2N/A adp->arg_object = buf;
2N/A adp->arg_size = sizeof (*buf);
2N/A#endif /* _LP64 */
2N/A adp++; /* move to flags argument */
2N/A
2N/A adp->arg_value = AT_SYMLINK_NOFOLLOW;
2N/A adp->arg_object = NULL;
2N/A adp->arg_type = AT_BYVAL;
2N/A adp->arg_inout = AI_INPUT;
2N/A adp->arg_size = 0;
2N/A
2N/A error = Psyscall(Pr, &rval, syscall, 4, &argd[0]);
2N/A
2N/A if (error) {
2N/A errno = (error > 0)? error : ENOSYS;
2N/A return (-1);
2N/A }
2N/A#ifdef _LP64
2N/A if (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32)
2N/A stat64_32_to_n(&statb64_32, (struct stat *)buf);
2N/A#endif /* _LP64 */
2N/A return (0);
2N/A}
2N/A
2N/A/*
2N/A * fstat64() system call -- executed by subject process
2N/A */
2N/Aint
2N/Apr_fstat64(struct ps_prochandle *Pr, int fd, struct stat64 *buf)
2N/A{
2N/A sysret_t rval; /* return value from stat() */
2N/A argdes_t argd[4]; /* arg descriptors for fstatat() */
2N/A argdes_t *adp = &argd[0]; /* first argument */
2N/A int syscall; /* SYS_fstatat or SYS_fstatat64 */
2N/A int error;
2N/A#ifdef _LP64
2N/A struct stat64_32 statb64_32;
2N/A#endif /* _LP64 */
2N/A
2N/A if (Pr == NULL) /* no subject process */
2N/A return (fstat64(fd, buf));
2N/A
2N/A if (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32) {
2N/A /*
2N/A * 32-bit native and
2N/A * 64-bit process controls 32-bit subject process
2N/A */
2N/A syscall = SYS_fstatat64;
2N/A } else {
2N/A /* 64-bit native */
2N/A syscall = SYS_fstatat;
2N/A }
2N/A
2N/A adp->arg_value = fd;
2N/A adp->arg_object = NULL;
2N/A adp->arg_type = AT_BYVAL;
2N/A adp->arg_inout = AI_INPUT;
2N/A adp->arg_size = 0;
2N/A adp++; /* move to path argument */
2N/A
2N/A adp->arg_value = 0;
2N/A adp->arg_object = NULL;
2N/A adp->arg_type = AT_BYVAL;
2N/A adp->arg_inout = AI_INPUT;
2N/A adp->arg_size = 0;
2N/A adp++; /* move to buffer argument */
2N/A
2N/A adp->arg_value = 0;
2N/A adp->arg_type = AT_BYREF;
2N/A adp->arg_inout = AI_OUTPUT;
2N/A#ifdef _LP64
2N/A if (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32) {
2N/A adp->arg_object = &statb64_32;
2N/A adp->arg_size = sizeof (statb64_32);
2N/A } else {
2N/A adp->arg_object = buf;
2N/A adp->arg_size = sizeof (*buf);
2N/A }
2N/A#else /* _LP64 */
2N/A adp->arg_object = buf;
2N/A adp->arg_size = sizeof (*buf);
2N/A#endif /* _LP64 */
2N/A adp++; /* move to flags argument */
2N/A
2N/A adp->arg_value = 0;
2N/A adp->arg_object = NULL;
2N/A adp->arg_type = AT_BYVAL;
2N/A adp->arg_inout = AI_INPUT;
2N/A adp->arg_size = 0;
2N/A
2N/A error = Psyscall(Pr, &rval, syscall, 4, &argd[0]);
2N/A
2N/A if (error) {
2N/A errno = (error > 0)? error : ENOSYS;
2N/A return (-1);
2N/A }
2N/A#ifdef _LP64
2N/A if (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32)
2N/A stat64_32_to_n(&statb64_32, (struct stat *)buf);
2N/A#endif /* _LP64 */
2N/A return (0);
2N/A}