10Sstevel@tonic-gate /* 20Sstevel@tonic-gate * CDDL HEADER START 30Sstevel@tonic-gate * 40Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*11798SRoger.Faulkner@Sun.COM * Common Development and Distribution License (the "License"). 6*11798SRoger.Faulkner@Sun.COM * You may not use this file except in compliance with the License. 70Sstevel@tonic-gate * 80Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 90Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 100Sstevel@tonic-gate * See the License for the specific language governing permissions 110Sstevel@tonic-gate * and limitations under the License. 120Sstevel@tonic-gate * 130Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 140Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 150Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 160Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 170Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 180Sstevel@tonic-gate * 190Sstevel@tonic-gate * CDDL HEADER END 200Sstevel@tonic-gate */ 21*11798SRoger.Faulkner@Sun.COM 220Sstevel@tonic-gate /* 23*11798SRoger.Faulkner@Sun.COM * Copyright 2010 Sun Microsystems, Inc. All rights reserved. 240Sstevel@tonic-gate * Use is subject to license terms. 250Sstevel@tonic-gate */ 260Sstevel@tonic-gate 270Sstevel@tonic-gate #include "chkpath.h" 280Sstevel@tonic-gate #include <string.h> 290Sstevel@tonic-gate #include <sys/file.h> 300Sstevel@tonic-gate #include <sys/syscall.h> 310Sstevel@tonic-gate 32722Smuffin int 33722Smuffin execve(char *file, char **argv, char **arge) 340Sstevel@tonic-gate { 350Sstevel@tonic-gate char *c; 360Sstevel@tonic-gate char path[256]; 370Sstevel@tonic-gate 380Sstevel@tonic-gate 390Sstevel@tonic-gate CHKNULL(file); 400Sstevel@tonic-gate if (strncmp(file, "/usr/ucb", strlen("/usr/ucb")) == 0) { 41*11798SRoger.Faulkner@Sun.COM if (_syscall(SYS_faccessat, AT_FDCWD, file, F_OK, 0) == -1) { 420Sstevel@tonic-gate strcpy(path, "/usr/bin"); 430Sstevel@tonic-gate strcat(path, strrchr(file, '/')); 440Sstevel@tonic-gate file = path; 450Sstevel@tonic-gate } 460Sstevel@tonic-gate } 470Sstevel@tonic-gate else if (strncmp(file, "/bin", strlen("/bin")) == 0 || 480Sstevel@tonic-gate strncmp(file, "/usr/bin", strlen("/usr/bin")) == 0) { 490Sstevel@tonic-gate strcpy(path, "/usr/ucb"); 500Sstevel@tonic-gate strcat(path, strrchr(file, '/')); 51*11798SRoger.Faulkner@Sun.COM if (_syscall(SYS_faccessat, AT_FDCWD, path, F_OK, 0) == 0) 520Sstevel@tonic-gate file = path; 530Sstevel@tonic-gate } 540Sstevel@tonic-gate else if (strncmp(file, "/usr/5bin", strlen("/usr/5bin")) == 0) { 550Sstevel@tonic-gate strcpy(path, "/usr/bin"); 560Sstevel@tonic-gate strcat(path, strrchr(file, '/')); 57*11798SRoger.Faulkner@Sun.COM if (_syscall(SYS_faccessat, AT_FDCWD, path, F_OK, 0) == 0) 580Sstevel@tonic-gate file = path; 590Sstevel@tonic-gate else { 600Sstevel@tonic-gate strcpy(path, "/usr/ucb"); 610Sstevel@tonic-gate strcat(path, strrchr(file, '/')); 62*11798SRoger.Faulkner@Sun.COM if (_syscall(SYS_faccessat, AT_FDCWD, path, F_OK, 0) 63*11798SRoger.Faulkner@Sun.COM == 0) 640Sstevel@tonic-gate file = path; 650Sstevel@tonic-gate } 660Sstevel@tonic-gate } 670Sstevel@tonic-gate 68722Smuffin return (_syscall(SYS_execve, file, argv, arge)); 690Sstevel@tonic-gate } 70