1*7c478bd9Sstevel@tonic-gate /* 2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START 3*7c478bd9Sstevel@tonic-gate * 4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*7c478bd9Sstevel@tonic-gate * with the License. 8*7c478bd9Sstevel@tonic-gate * 9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 12*7c478bd9Sstevel@tonic-gate * and limitations under the License. 13*7c478bd9Sstevel@tonic-gate * 14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*7c478bd9Sstevel@tonic-gate * 20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END 21*7c478bd9Sstevel@tonic-gate */ 22*7c478bd9Sstevel@tonic-gate /* 23*7c478bd9Sstevel@tonic-gate * Copyright 1995 Sun Microsystems, Inc. All rights reserved. 24*7c478bd9Sstevel@tonic-gate * Use is subject to license terms. 25*7c478bd9Sstevel@tonic-gate */ 26*7c478bd9Sstevel@tonic-gate 27*7c478bd9Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 28*7c478bd9Sstevel@tonic-gate /* All Rights Reserved */ 29*7c478bd9Sstevel@tonic-gate 30*7c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 31*7c478bd9Sstevel@tonic-gate /* 32*7c478bd9Sstevel@tonic-gate * UNIX shell 33*7c478bd9Sstevel@tonic-gate * 34*7c478bd9Sstevel@tonic-gate */ 35*7c478bd9Sstevel@tonic-gate 36*7c478bd9Sstevel@tonic-gate #include "defs.h" 37*7c478bd9Sstevel@tonic-gate #include <sys/types.h> 38*7c478bd9Sstevel@tonic-gate #include <sys/stat.h> 39*7c478bd9Sstevel@tonic-gate #include <dirent.h> 40*7c478bd9Sstevel@tonic-gate 41*7c478bd9Sstevel@tonic-gate 42*7c478bd9Sstevel@tonic-gate 43*7c478bd9Sstevel@tonic-gate /* 44*7c478bd9Sstevel@tonic-gate * globals (file name generation) 45*7c478bd9Sstevel@tonic-gate * 46*7c478bd9Sstevel@tonic-gate * "*" in params matches r.e ".*" 47*7c478bd9Sstevel@tonic-gate * "?" in params matches r.e. "." 48*7c478bd9Sstevel@tonic-gate * "[...]" in params matches character class 49*7c478bd9Sstevel@tonic-gate * "[...a-z...]" in params matches a through z. 50*7c478bd9Sstevel@tonic-gate * 51*7c478bd9Sstevel@tonic-gate */ 52*7c478bd9Sstevel@tonic-gate static int addg(); 53*7c478bd9Sstevel@tonic-gate 54*7c478bd9Sstevel@tonic-gate expand(as, rcnt) 55*7c478bd9Sstevel@tonic-gate unsigned char *as; 56*7c478bd9Sstevel@tonic-gate { 57*7c478bd9Sstevel@tonic-gate int count; 58*7c478bd9Sstevel@tonic-gate DIR *dirf; 59*7c478bd9Sstevel@tonic-gate BOOL dir = 0; 60*7c478bd9Sstevel@tonic-gate unsigned char *rescan = 0; 61*7c478bd9Sstevel@tonic-gate unsigned char *slashsav = 0; 62*7c478bd9Sstevel@tonic-gate register unsigned char *s, *cs; 63*7c478bd9Sstevel@tonic-gate unsigned char *s2 = 0; 64*7c478bd9Sstevel@tonic-gate struct argnod *schain = gchain; 65*7c478bd9Sstevel@tonic-gate BOOL slash; 66*7c478bd9Sstevel@tonic-gate int len; 67*7c478bd9Sstevel@tonic-gate wchar_t wc; 68*7c478bd9Sstevel@tonic-gate 69*7c478bd9Sstevel@tonic-gate if (trapnote & SIGSET) 70*7c478bd9Sstevel@tonic-gate return (0); 71*7c478bd9Sstevel@tonic-gate s = cs = as; 72*7c478bd9Sstevel@tonic-gate /* 73*7c478bd9Sstevel@tonic-gate * check for meta chars 74*7c478bd9Sstevel@tonic-gate */ 75*7c478bd9Sstevel@tonic-gate { 76*7c478bd9Sstevel@tonic-gate register BOOL open; 77*7c478bd9Sstevel@tonic-gate 78*7c478bd9Sstevel@tonic-gate slash = 0; 79*7c478bd9Sstevel@tonic-gate open = 0; 80*7c478bd9Sstevel@tonic-gate do 81*7c478bd9Sstevel@tonic-gate { 82*7c478bd9Sstevel@tonic-gate if ((len = mbtowc(&wc, (char *)cs, MB_LEN_MAX)) <= 0) { 83*7c478bd9Sstevel@tonic-gate len = 1; 84*7c478bd9Sstevel@tonic-gate wc = (unsigned char)*cs; 85*7c478bd9Sstevel@tonic-gate } 86*7c478bd9Sstevel@tonic-gate 87*7c478bd9Sstevel@tonic-gate cs += len; 88*7c478bd9Sstevel@tonic-gate switch (wc) { 89*7c478bd9Sstevel@tonic-gate case 0: 90*7c478bd9Sstevel@tonic-gate if (rcnt && slash) 91*7c478bd9Sstevel@tonic-gate break; 92*7c478bd9Sstevel@tonic-gate else 93*7c478bd9Sstevel@tonic-gate return (0); 94*7c478bd9Sstevel@tonic-gate 95*7c478bd9Sstevel@tonic-gate case '/': 96*7c478bd9Sstevel@tonic-gate slash++; 97*7c478bd9Sstevel@tonic-gate open = 0; 98*7c478bd9Sstevel@tonic-gate continue; 99*7c478bd9Sstevel@tonic-gate 100*7c478bd9Sstevel@tonic-gate case '[': 101*7c478bd9Sstevel@tonic-gate open++; 102*7c478bd9Sstevel@tonic-gate continue; 103*7c478bd9Sstevel@tonic-gate 104*7c478bd9Sstevel@tonic-gate case ']': 105*7c478bd9Sstevel@tonic-gate if (open == 0) 106*7c478bd9Sstevel@tonic-gate continue; 107*7c478bd9Sstevel@tonic-gate 108*7c478bd9Sstevel@tonic-gate case '?': 109*7c478bd9Sstevel@tonic-gate case '*': 110*7c478bd9Sstevel@tonic-gate if (rcnt > slash) 111*7c478bd9Sstevel@tonic-gate continue; 112*7c478bd9Sstevel@tonic-gate else 113*7c478bd9Sstevel@tonic-gate cs--; 114*7c478bd9Sstevel@tonic-gate break; 115*7c478bd9Sstevel@tonic-gate 116*7c478bd9Sstevel@tonic-gate case '\\': 117*7c478bd9Sstevel@tonic-gate cs++; 118*7c478bd9Sstevel@tonic-gate default: 119*7c478bd9Sstevel@tonic-gate continue; 120*7c478bd9Sstevel@tonic-gate } 121*7c478bd9Sstevel@tonic-gate break; 122*7c478bd9Sstevel@tonic-gate } while (TRUE); 123*7c478bd9Sstevel@tonic-gate } 124*7c478bd9Sstevel@tonic-gate 125*7c478bd9Sstevel@tonic-gate for (;;) 126*7c478bd9Sstevel@tonic-gate { 127*7c478bd9Sstevel@tonic-gate if (cs == s) 128*7c478bd9Sstevel@tonic-gate { 129*7c478bd9Sstevel@tonic-gate s = (unsigned char *)nullstr; 130*7c478bd9Sstevel@tonic-gate break; 131*7c478bd9Sstevel@tonic-gate } else if (*--cs == '/') 132*7c478bd9Sstevel@tonic-gate { 133*7c478bd9Sstevel@tonic-gate *cs = 0; 134*7c478bd9Sstevel@tonic-gate if (s == cs) 135*7c478bd9Sstevel@tonic-gate s = (unsigned char *)"/"; 136*7c478bd9Sstevel@tonic-gate else { 137*7c478bd9Sstevel@tonic-gate /* 138*7c478bd9Sstevel@tonic-gate * push trimmed copy of directory prefix 139*7c478bd9Sstevel@tonic-gate * onto stack 140*7c478bd9Sstevel@tonic-gate */ 141*7c478bd9Sstevel@tonic-gate s2 = cpystak(s); 142*7c478bd9Sstevel@tonic-gate trim(s2); 143*7c478bd9Sstevel@tonic-gate s = s2; 144*7c478bd9Sstevel@tonic-gate } 145*7c478bd9Sstevel@tonic-gate break; 146*7c478bd9Sstevel@tonic-gate } 147*7c478bd9Sstevel@tonic-gate } 148*7c478bd9Sstevel@tonic-gate 149*7c478bd9Sstevel@tonic-gate if ((dirf = opendir(*s ? (char *)s : (char *)".")) != 0) 150*7c478bd9Sstevel@tonic-gate dir++; 151*7c478bd9Sstevel@tonic-gate 152*7c478bd9Sstevel@tonic-gate /* Let s point to original string because it will be trimmed later */ 153*7c478bd9Sstevel@tonic-gate if (s2) 154*7c478bd9Sstevel@tonic-gate s = as; 155*7c478bd9Sstevel@tonic-gate count = 0; 156*7c478bd9Sstevel@tonic-gate if (*cs == 0) 157*7c478bd9Sstevel@tonic-gate slashsav = cs++; /* remember where first slash in as is */ 158*7c478bd9Sstevel@tonic-gate 159*7c478bd9Sstevel@tonic-gate /* check for rescan */ 160*7c478bd9Sstevel@tonic-gate if (dir) 161*7c478bd9Sstevel@tonic-gate { 162*7c478bd9Sstevel@tonic-gate register unsigned char *rs; 163*7c478bd9Sstevel@tonic-gate struct dirent *e; 164*7c478bd9Sstevel@tonic-gate 165*7c478bd9Sstevel@tonic-gate rs = cs; 166*7c478bd9Sstevel@tonic-gate do /* find next / in as */ 167*7c478bd9Sstevel@tonic-gate { 168*7c478bd9Sstevel@tonic-gate if (*rs == '/') 169*7c478bd9Sstevel@tonic-gate { 170*7c478bd9Sstevel@tonic-gate rescan = rs; 171*7c478bd9Sstevel@tonic-gate *rs = 0; 172*7c478bd9Sstevel@tonic-gate gchain = 0; 173*7c478bd9Sstevel@tonic-gate } 174*7c478bd9Sstevel@tonic-gate } while (*rs++); 175*7c478bd9Sstevel@tonic-gate 176*7c478bd9Sstevel@tonic-gate while ((e = readdir(dirf)) && (trapnote & SIGSET) == 0) 177*7c478bd9Sstevel@tonic-gate { 178*7c478bd9Sstevel@tonic-gate if (e->d_name[0] == '.' && *cs != '.') 179*7c478bd9Sstevel@tonic-gate continue; 180*7c478bd9Sstevel@tonic-gate 181*7c478bd9Sstevel@tonic-gate if (gmatch(e->d_name, cs)) 182*7c478bd9Sstevel@tonic-gate { 183*7c478bd9Sstevel@tonic-gate addg(s, e->d_name, rescan, slashsav); 184*7c478bd9Sstevel@tonic-gate count++; 185*7c478bd9Sstevel@tonic-gate } 186*7c478bd9Sstevel@tonic-gate } 187*7c478bd9Sstevel@tonic-gate (void) closedir(dirf); 188*7c478bd9Sstevel@tonic-gate 189*7c478bd9Sstevel@tonic-gate if (rescan) 190*7c478bd9Sstevel@tonic-gate { 191*7c478bd9Sstevel@tonic-gate register struct argnod *rchain; 192*7c478bd9Sstevel@tonic-gate 193*7c478bd9Sstevel@tonic-gate rchain = gchain; 194*7c478bd9Sstevel@tonic-gate gchain = schain; 195*7c478bd9Sstevel@tonic-gate if (count) 196*7c478bd9Sstevel@tonic-gate { 197*7c478bd9Sstevel@tonic-gate count = 0; 198*7c478bd9Sstevel@tonic-gate while (rchain) 199*7c478bd9Sstevel@tonic-gate { 200*7c478bd9Sstevel@tonic-gate count += expand(rchain->argval, 201*7c478bd9Sstevel@tonic-gate slash + 1); 202*7c478bd9Sstevel@tonic-gate rchain = rchain->argnxt; 203*7c478bd9Sstevel@tonic-gate } 204*7c478bd9Sstevel@tonic-gate } 205*7c478bd9Sstevel@tonic-gate *rescan = '/'; 206*7c478bd9Sstevel@tonic-gate } 207*7c478bd9Sstevel@tonic-gate } 208*7c478bd9Sstevel@tonic-gate 209*7c478bd9Sstevel@tonic-gate if (slashsav) 210*7c478bd9Sstevel@tonic-gate *slashsav = '/'; 211*7c478bd9Sstevel@tonic-gate return (count); 212*7c478bd9Sstevel@tonic-gate } 213*7c478bd9Sstevel@tonic-gate 214*7c478bd9Sstevel@tonic-gate static int 215*7c478bd9Sstevel@tonic-gate addg(as1, as2, as3, as4) 216*7c478bd9Sstevel@tonic-gate unsigned char *as1, *as2, *as3, *as4; 217*7c478bd9Sstevel@tonic-gate { 218*7c478bd9Sstevel@tonic-gate register unsigned char *s1, *s2; 219*7c478bd9Sstevel@tonic-gate register int c; 220*7c478bd9Sstevel@tonic-gate int len; 221*7c478bd9Sstevel@tonic-gate wchar_t wc; 222*7c478bd9Sstevel@tonic-gate 223*7c478bd9Sstevel@tonic-gate s2 = locstak() + BYTESPERWORD; 224*7c478bd9Sstevel@tonic-gate s1 = as1; 225*7c478bd9Sstevel@tonic-gate if (as4) { 226*7c478bd9Sstevel@tonic-gate while (c = *s1++) 227*7c478bd9Sstevel@tonic-gate { 228*7c478bd9Sstevel@tonic-gate if (s2 >= brkend) 229*7c478bd9Sstevel@tonic-gate growstak(s2); 230*7c478bd9Sstevel@tonic-gate *s2++ = c; 231*7c478bd9Sstevel@tonic-gate } 232*7c478bd9Sstevel@tonic-gate /* 233*7c478bd9Sstevel@tonic-gate * Restore first slash before the first metacharacter 234*7c478bd9Sstevel@tonic-gate * if as1 is not "/" 235*7c478bd9Sstevel@tonic-gate */ 236*7c478bd9Sstevel@tonic-gate if (as4 + 1 == s1) { 237*7c478bd9Sstevel@tonic-gate if (s2 >= brkend) 238*7c478bd9Sstevel@tonic-gate growstak(s2); 239*7c478bd9Sstevel@tonic-gate *s2++ = '/'; 240*7c478bd9Sstevel@tonic-gate } 241*7c478bd9Sstevel@tonic-gate } 242*7c478bd9Sstevel@tonic-gate /* add matched entries, plus extra \\ to escape \\'s */ 243*7c478bd9Sstevel@tonic-gate s1 = as2; 244*7c478bd9Sstevel@tonic-gate for (;;) 245*7c478bd9Sstevel@tonic-gate { 246*7c478bd9Sstevel@tonic-gate if ((len = mbtowc(&wc, (char *)s1, MB_LEN_MAX)) <= 0) { 247*7c478bd9Sstevel@tonic-gate len = 1; 248*7c478bd9Sstevel@tonic-gate wc = (unsigned char)*s1; 249*7c478bd9Sstevel@tonic-gate } 250*7c478bd9Sstevel@tonic-gate if (s2 >= brkend) 251*7c478bd9Sstevel@tonic-gate growstak(s2); 252*7c478bd9Sstevel@tonic-gate 253*7c478bd9Sstevel@tonic-gate if (wc == 0) { 254*7c478bd9Sstevel@tonic-gate *s2 = *s1++; 255*7c478bd9Sstevel@tonic-gate break; 256*7c478bd9Sstevel@tonic-gate } 257*7c478bd9Sstevel@tonic-gate 258*7c478bd9Sstevel@tonic-gate if (wc == '\\') { 259*7c478bd9Sstevel@tonic-gate *s2++ = '\\'; 260*7c478bd9Sstevel@tonic-gate if (s2 >= brkend) 261*7c478bd9Sstevel@tonic-gate growstak(s2); 262*7c478bd9Sstevel@tonic-gate *s2++ = '\\'; 263*7c478bd9Sstevel@tonic-gate s1++; 264*7c478bd9Sstevel@tonic-gate continue; 265*7c478bd9Sstevel@tonic-gate } 266*7c478bd9Sstevel@tonic-gate if ((s2 + len) >= brkend) 267*7c478bd9Sstevel@tonic-gate growstak(s2 + len); 268*7c478bd9Sstevel@tonic-gate memcpy(s2, s1, len); 269*7c478bd9Sstevel@tonic-gate s2 += len; 270*7c478bd9Sstevel@tonic-gate s1 += len; 271*7c478bd9Sstevel@tonic-gate } 272*7c478bd9Sstevel@tonic-gate if (s1 = as3) 273*7c478bd9Sstevel@tonic-gate { 274*7c478bd9Sstevel@tonic-gate if (s2 >= brkend) 275*7c478bd9Sstevel@tonic-gate growstak(s2); 276*7c478bd9Sstevel@tonic-gate *s2++ = '/'; 277*7c478bd9Sstevel@tonic-gate do 278*7c478bd9Sstevel@tonic-gate { 279*7c478bd9Sstevel@tonic-gate if (s2 >= brkend) 280*7c478bd9Sstevel@tonic-gate growstak(s2); 281*7c478bd9Sstevel@tonic-gate } 282*7c478bd9Sstevel@tonic-gate while (*s2++ = *++s1); 283*7c478bd9Sstevel@tonic-gate } 284*7c478bd9Sstevel@tonic-gate makearg(endstak(s2)); 285*7c478bd9Sstevel@tonic-gate } 286*7c478bd9Sstevel@tonic-gate 287*7c478bd9Sstevel@tonic-gate makearg(args) 288*7c478bd9Sstevel@tonic-gate register struct argnod *args; 289*7c478bd9Sstevel@tonic-gate { 290*7c478bd9Sstevel@tonic-gate args->argnxt = gchain; 291*7c478bd9Sstevel@tonic-gate gchain = args; 292*7c478bd9Sstevel@tonic-gate } 293