17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*8fd04b83SRoger A. Faulkner * Common Development and Distribution License (the "License"). 6*8fd04b83SRoger A. Faulkner * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 21*8fd04b83SRoger A. Faulkner 227c478bd9Sstevel@tonic-gate /* 23*8fd04b83SRoger A. Faulkner * Copyright 2010 Sun Microsystems, Inc. All rights reserved. 247c478bd9Sstevel@tonic-gate * Use is subject to license terms. 257c478bd9Sstevel@tonic-gate */ 267c478bd9Sstevel@tonic-gate 277c478bd9Sstevel@tonic-gate #include "chkpath.h" 287c478bd9Sstevel@tonic-gate #include <string.h> 297c478bd9Sstevel@tonic-gate #include <sys/file.h> 307c478bd9Sstevel@tonic-gate #include <sys/syscall.h> 317c478bd9Sstevel@tonic-gate 325d54f3d8Smuffin int 335d54f3d8Smuffin execve(char *file, char **argv, char **arge) 347c478bd9Sstevel@tonic-gate { 357c478bd9Sstevel@tonic-gate char *c; 367c478bd9Sstevel@tonic-gate char path[256]; 377c478bd9Sstevel@tonic-gate 387c478bd9Sstevel@tonic-gate 397c478bd9Sstevel@tonic-gate CHKNULL(file); 407c478bd9Sstevel@tonic-gate if (strncmp(file, "/usr/ucb", strlen("/usr/ucb")) == 0) { 41*8fd04b83SRoger A. Faulkner if (_syscall(SYS_faccessat, AT_FDCWD, file, F_OK, 0) == -1) { 427c478bd9Sstevel@tonic-gate strcpy(path, "/usr/bin"); 437c478bd9Sstevel@tonic-gate strcat(path, strrchr(file, '/')); 447c478bd9Sstevel@tonic-gate file = path; 457c478bd9Sstevel@tonic-gate } 467c478bd9Sstevel@tonic-gate } 477c478bd9Sstevel@tonic-gate else if (strncmp(file, "/bin", strlen("/bin")) == 0 || 487c478bd9Sstevel@tonic-gate strncmp(file, "/usr/bin", strlen("/usr/bin")) == 0) { 497c478bd9Sstevel@tonic-gate strcpy(path, "/usr/ucb"); 507c478bd9Sstevel@tonic-gate strcat(path, strrchr(file, '/')); 51*8fd04b83SRoger A. Faulkner if (_syscall(SYS_faccessat, AT_FDCWD, path, F_OK, 0) == 0) 527c478bd9Sstevel@tonic-gate file = path; 537c478bd9Sstevel@tonic-gate } 547c478bd9Sstevel@tonic-gate else if (strncmp(file, "/usr/5bin", strlen("/usr/5bin")) == 0) { 557c478bd9Sstevel@tonic-gate strcpy(path, "/usr/bin"); 567c478bd9Sstevel@tonic-gate strcat(path, strrchr(file, '/')); 57*8fd04b83SRoger A. Faulkner if (_syscall(SYS_faccessat, AT_FDCWD, path, F_OK, 0) == 0) 587c478bd9Sstevel@tonic-gate file = path; 597c478bd9Sstevel@tonic-gate else { 607c478bd9Sstevel@tonic-gate strcpy(path, "/usr/ucb"); 617c478bd9Sstevel@tonic-gate strcat(path, strrchr(file, '/')); 62*8fd04b83SRoger A. Faulkner if (_syscall(SYS_faccessat, AT_FDCWD, path, F_OK, 0) 63*8fd04b83SRoger A. Faulkner == 0) 647c478bd9Sstevel@tonic-gate file = path; 657c478bd9Sstevel@tonic-gate } 667c478bd9Sstevel@tonic-gate } 677c478bd9Sstevel@tonic-gate 687c478bd9Sstevel@tonic-gate return (_syscall(SYS_execve, file, argv, arge)); 697c478bd9Sstevel@tonic-gate } 70