1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 23*0Sstevel@tonic-gate /* All Rights Reserved */ 24*0Sstevel@tonic-gate 25*0Sstevel@tonic-gate 26*0Sstevel@tonic-gate /* 27*0Sstevel@tonic-gate * Copyright (c) 1997, by Sun Microsystems, Inc. 28*0Sstevel@tonic-gate * All rights reserved. 29*0Sstevel@tonic-gate */ 30*0Sstevel@tonic-gate 31*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.2 */ 32*0Sstevel@tonic-gate /*LINTLIBRARY*/ 33*0Sstevel@tonic-gate 34*0Sstevel@tonic-gate #include <sys/types.h> 35*0Sstevel@tonic-gate #include <stdio.h> 36*0Sstevel@tonic-gate #include <string.h> 37*0Sstevel@tonic-gate #include <ctype.h> 38*0Sstevel@tonic-gate #include <pwd.h> 39*0Sstevel@tonic-gate #include <stdlib.h> 40*0Sstevel@tonic-gate #include <limits.h> 41*0Sstevel@tonic-gate #include "libadm.h" 42*0Sstevel@tonic-gate 43*0Sstevel@tonic-gate #define PROMPT "Enter the login name of an existing user" 44*0Sstevel@tonic-gate #define MESG "Please enter the login name of an existing user." 45*0Sstevel@tonic-gate #define ALTMESG "Please enter one of the following login names:\\n\\t" 46*0Sstevel@tonic-gate #define MALSIZ 64 47*0Sstevel@tonic-gate 48*0Sstevel@tonic-gate #define DELIM1 '/' 49*0Sstevel@tonic-gate #define BLANK ' ' 50*0Sstevel@tonic-gate 51*0Sstevel@tonic-gate static char * 52*0Sstevel@tonic-gate setmsg(int disp) 53*0Sstevel@tonic-gate { 54*0Sstevel@tonic-gate struct passwd 55*0Sstevel@tonic-gate *pwdptr; 56*0Sstevel@tonic-gate int count; 57*0Sstevel@tonic-gate size_t n, m; 58*0Sstevel@tonic-gate char *msg; 59*0Sstevel@tonic-gate 60*0Sstevel@tonic-gate if (disp == 0) 61*0Sstevel@tonic-gate return (MESG); 62*0Sstevel@tonic-gate 63*0Sstevel@tonic-gate m = MALSIZ; 64*0Sstevel@tonic-gate n = sizeof (ALTMESG); 65*0Sstevel@tonic-gate msg = (char *) calloc(m, sizeof (char)); 66*0Sstevel@tonic-gate (void) strcpy(msg, ALTMESG); 67*0Sstevel@tonic-gate 68*0Sstevel@tonic-gate setpwent(); 69*0Sstevel@tonic-gate count = 0; 70*0Sstevel@tonic-gate while (pwdptr = getpwent()) { 71*0Sstevel@tonic-gate n += strlen(pwdptr->pw_name) + 2; 72*0Sstevel@tonic-gate while (n >= m) { 73*0Sstevel@tonic-gate m += MALSIZ; 74*0Sstevel@tonic-gate msg = (char *) realloc(msg, m*sizeof (char)); 75*0Sstevel@tonic-gate } 76*0Sstevel@tonic-gate if (count++) 77*0Sstevel@tonic-gate (void) strcat(msg, ", "); 78*0Sstevel@tonic-gate (void) strcat(msg, pwdptr->pw_name); 79*0Sstevel@tonic-gate } 80*0Sstevel@tonic-gate endpwent(); 81*0Sstevel@tonic-gate return (msg); 82*0Sstevel@tonic-gate } 83*0Sstevel@tonic-gate 84*0Sstevel@tonic-gate int 85*0Sstevel@tonic-gate ckuid_dsp(void) 86*0Sstevel@tonic-gate { 87*0Sstevel@tonic-gate struct passwd *pwdptr; 88*0Sstevel@tonic-gate 89*0Sstevel@tonic-gate /* if display flag is set, then list out passwd file */ 90*0Sstevel@tonic-gate if (ckpwdfile() == 1) 91*0Sstevel@tonic-gate return (1); 92*0Sstevel@tonic-gate setpwent(); 93*0Sstevel@tonic-gate while (pwdptr = getpwent()) 94*0Sstevel@tonic-gate (void) printf("%s\n", pwdptr->pw_name); 95*0Sstevel@tonic-gate endpwent(); 96*0Sstevel@tonic-gate return (0); 97*0Sstevel@tonic-gate } 98*0Sstevel@tonic-gate 99*0Sstevel@tonic-gate int 100*0Sstevel@tonic-gate ckuid_val(char *usrnm) 101*0Sstevel@tonic-gate { 102*0Sstevel@tonic-gate int valid; 103*0Sstevel@tonic-gate 104*0Sstevel@tonic-gate setpwent(); 105*0Sstevel@tonic-gate valid = (getpwnam(usrnm) ? 0 : 1); 106*0Sstevel@tonic-gate endpwent(); 107*0Sstevel@tonic-gate return (valid); 108*0Sstevel@tonic-gate } 109*0Sstevel@tonic-gate 110*0Sstevel@tonic-gate int 111*0Sstevel@tonic-gate ckpwdfile(void) /* check to see if passwd file there */ 112*0Sstevel@tonic-gate { 113*0Sstevel@tonic-gate struct passwd *pwdptr; 114*0Sstevel@tonic-gate 115*0Sstevel@tonic-gate setpwent(); 116*0Sstevel@tonic-gate pwdptr = getpwent(); 117*0Sstevel@tonic-gate if (!pwdptr) { 118*0Sstevel@tonic-gate endpwent(); 119*0Sstevel@tonic-gate return (1); 120*0Sstevel@tonic-gate } 121*0Sstevel@tonic-gate endpwent(); 122*0Sstevel@tonic-gate return (0); 123*0Sstevel@tonic-gate } 124*0Sstevel@tonic-gate 125*0Sstevel@tonic-gate void 126*0Sstevel@tonic-gate ckuid_err(short disp, char *error) 127*0Sstevel@tonic-gate { 128*0Sstevel@tonic-gate char *msg; 129*0Sstevel@tonic-gate 130*0Sstevel@tonic-gate msg = setmsg(disp); 131*0Sstevel@tonic-gate puterror(stdout, msg, error); 132*0Sstevel@tonic-gate if (disp) 133*0Sstevel@tonic-gate free(msg); 134*0Sstevel@tonic-gate } 135*0Sstevel@tonic-gate 136*0Sstevel@tonic-gate void 137*0Sstevel@tonic-gate ckuid_hlp(int disp, char *help) 138*0Sstevel@tonic-gate { 139*0Sstevel@tonic-gate char *msg; 140*0Sstevel@tonic-gate 141*0Sstevel@tonic-gate msg = setmsg(disp); 142*0Sstevel@tonic-gate puthelp(stdout, msg, help); 143*0Sstevel@tonic-gate if (disp) 144*0Sstevel@tonic-gate free(msg); 145*0Sstevel@tonic-gate } 146*0Sstevel@tonic-gate 147*0Sstevel@tonic-gate int 148*0Sstevel@tonic-gate ckuid(char *uid, short disp, char *defstr, char *error, char *help, 149*0Sstevel@tonic-gate char *prompt) 150*0Sstevel@tonic-gate { 151*0Sstevel@tonic-gate char *defmesg, 152*0Sstevel@tonic-gate input[MAX_INPUT]; 153*0Sstevel@tonic-gate 154*0Sstevel@tonic-gate defmesg = NULL; 155*0Sstevel@tonic-gate if (!prompt) 156*0Sstevel@tonic-gate prompt = PROMPT; 157*0Sstevel@tonic-gate 158*0Sstevel@tonic-gate start: 159*0Sstevel@tonic-gate putprmpt(stderr, prompt, NULL, defstr); 160*0Sstevel@tonic-gate if (getinput(input)) { 161*0Sstevel@tonic-gate if (disp && defmesg) 162*0Sstevel@tonic-gate free(defmesg); 163*0Sstevel@tonic-gate return (1); 164*0Sstevel@tonic-gate } 165*0Sstevel@tonic-gate 166*0Sstevel@tonic-gate if (!strlen(input)) { 167*0Sstevel@tonic-gate if (defstr) { 168*0Sstevel@tonic-gate if (disp && defmesg) 169*0Sstevel@tonic-gate free(defmesg); 170*0Sstevel@tonic-gate (void) strcpy(uid, defstr); 171*0Sstevel@tonic-gate return (0); 172*0Sstevel@tonic-gate } 173*0Sstevel@tonic-gate if (!defmesg) 174*0Sstevel@tonic-gate defmesg = setmsg(disp); 175*0Sstevel@tonic-gate puterror(stderr, defmesg, error); 176*0Sstevel@tonic-gate goto start; 177*0Sstevel@tonic-gate } else if (strcmp(input, "?") == 0) { 178*0Sstevel@tonic-gate if (!defmesg) 179*0Sstevel@tonic-gate defmesg = setmsg(disp); 180*0Sstevel@tonic-gate puthelp(stderr, defmesg, help); 181*0Sstevel@tonic-gate goto start; 182*0Sstevel@tonic-gate } else if (ckquit && (strcmp(input, "q") == 0)) { 183*0Sstevel@tonic-gate if (disp && defmesg) 184*0Sstevel@tonic-gate free(defmesg); 185*0Sstevel@tonic-gate return (3); 186*0Sstevel@tonic-gate } else if (ckuid_val(input)) { 187*0Sstevel@tonic-gate if (!defmesg) 188*0Sstevel@tonic-gate defmesg = setmsg(disp); 189*0Sstevel@tonic-gate puterror(stderr, defmesg, error); 190*0Sstevel@tonic-gate goto start; 191*0Sstevel@tonic-gate } 192*0Sstevel@tonic-gate (void) strcpy(uid, input); 193*0Sstevel@tonic-gate if (disp && defmesg) 194*0Sstevel@tonic-gate free(defmesg); 195*0Sstevel@tonic-gate return (0); 196*0Sstevel@tonic-gate } 197