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 57c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 67c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 77c478bd9Sstevel@tonic-gate * with the License. 87c478bd9Sstevel@tonic-gate * 97c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 107c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 117c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 127c478bd9Sstevel@tonic-gate * and limitations under the License. 137c478bd9Sstevel@tonic-gate * 147c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 157c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 167c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 177c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 187c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 197c478bd9Sstevel@tonic-gate * 207c478bd9Sstevel@tonic-gate * CDDL HEADER END 217c478bd9Sstevel@tonic-gate */ 227c478bd9Sstevel@tonic-gate /* 237c478bd9Sstevel@tonic-gate * Copyright 1999 Sun Microsystems, Inc. All rights reserved. 247c478bd9Sstevel@tonic-gate * Use is subject to license terms. 25*48bbca81SDaniel Hoffman * Copyright (c) 2016 by Delphix. All rights reserved. 267c478bd9Sstevel@tonic-gate */ 277c478bd9Sstevel@tonic-gate 287c478bd9Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 297c478bd9Sstevel@tonic-gate /* All Rights Reserved */ 307c478bd9Sstevel@tonic-gate 317c478bd9Sstevel@tonic-gate 327c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.2 */ 337c478bd9Sstevel@tonic-gate /* EMACS_MODES: !fill, lnumb, !overwrite, !nodelete, !picture */ 347c478bd9Sstevel@tonic-gate 357c478bd9Sstevel@tonic-gate #include "string.h" 367c478bd9Sstevel@tonic-gate #include "unistd.h" 377c478bd9Sstevel@tonic-gate #include "stdlib.h" 387c478bd9Sstevel@tonic-gate #include "sys/utsname.h" 397c478bd9Sstevel@tonic-gate 407c478bd9Sstevel@tonic-gate #include "lp.h" 417c478bd9Sstevel@tonic-gate 427c478bd9Sstevel@tonic-gate /* 437c478bd9Sstevel@tonic-gate * The rules: 447c478bd9Sstevel@tonic-gate * 457c478bd9Sstevel@tonic-gate * Key: A - some system 467c478bd9Sstevel@tonic-gate * X - some user 477c478bd9Sstevel@tonic-gate * 487c478bd9Sstevel@tonic-gate * X a user named X on the local system 497c478bd9Sstevel@tonic-gate * A!X the user named X from the system A 507c478bd9Sstevel@tonic-gate * all!X all users named X from any system 517c478bd9Sstevel@tonic-gate * all all users from local system 527c478bd9Sstevel@tonic-gate * A!all all users from the system A 537c478bd9Sstevel@tonic-gate * all!all all users from any system 547c478bd9Sstevel@tonic-gate */ 557c478bd9Sstevel@tonic-gate 567c478bd9Sstevel@tonic-gate 577c478bd9Sstevel@tonic-gate /** 587c478bd9Sstevel@tonic-gate ** bangequ() - LIKE STREQU, BUT HANDLES system!name CASES 597c478bd9Sstevel@tonic-gate **/ 607c478bd9Sstevel@tonic-gate 617c478bd9Sstevel@tonic-gate int 627c478bd9Sstevel@tonic-gate bangequ (char *user1p, char *user2p) 637c478bd9Sstevel@tonic-gate { 647c478bd9Sstevel@tonic-gate int sysname1_all = 0, 657c478bd9Sstevel@tonic-gate username1_all = 0; 667c478bd9Sstevel@tonic-gate int sysname2_all = 0, 677c478bd9Sstevel@tonic-gate username2_all = 0; 687c478bd9Sstevel@tonic-gate char sysname1[BUFSIZ], 697c478bd9Sstevel@tonic-gate sysname2[BUFSIZ]; 707c478bd9Sstevel@tonic-gate char username1[BUFSIZ], 717c478bd9Sstevel@tonic-gate username2[BUFSIZ], 727c478bd9Sstevel@tonic-gate *sp; 737c478bd9Sstevel@tonic-gate 747c478bd9Sstevel@tonic-gate static char *Nodenamep = (char *) 0; 757c478bd9Sstevel@tonic-gate 767c478bd9Sstevel@tonic-gate if (! user1p || ! user2p) 777c478bd9Sstevel@tonic-gate return 1; 787c478bd9Sstevel@tonic-gate 797c478bd9Sstevel@tonic-gate if (! Nodenamep) { 807c478bd9Sstevel@tonic-gate struct utsname utsbuf; 817c478bd9Sstevel@tonic-gate 827c478bd9Sstevel@tonic-gate (void) uname (&utsbuf); 837c478bd9Sstevel@tonic-gate Nodenamep = Strdup (utsbuf.nodename); 847c478bd9Sstevel@tonic-gate } 857c478bd9Sstevel@tonic-gate 867c478bd9Sstevel@tonic-gate /* pattern=all */ 877c478bd9Sstevel@tonic-gate if (STREQU (NAME_ALL, user2p) || STREQU(NAME_ALL, user1p)) 887c478bd9Sstevel@tonic-gate return 1; 897c478bd9Sstevel@tonic-gate 907c478bd9Sstevel@tonic-gate if ((sp = strrchr(user1p, '@')) != NULL) { /* user@host */ 917c478bd9Sstevel@tonic-gate *sp++ = '\0'; 927c478bd9Sstevel@tonic-gate (void) snprintf(sysname1, sizeof (sysname1), "%s", sp); 937c478bd9Sstevel@tonic-gate (void) snprintf(username1, sizeof (username1), "%s", user1p); 947c478bd9Sstevel@tonic-gate *--sp = '@'; 957c478bd9Sstevel@tonic-gate } else if ((sp = strchr(user1p, '!')) != NULL) { /* host!user */ 967c478bd9Sstevel@tonic-gate *sp++ = '\0'; 977c478bd9Sstevel@tonic-gate (void) snprintf(sysname1, sizeof (sysname1), "%s", user1p); 987c478bd9Sstevel@tonic-gate (void) snprintf(username1, sizeof (username1), "%s", sp); 997c478bd9Sstevel@tonic-gate *--sp = '!'; 1007c478bd9Sstevel@tonic-gate } else { /* user */ 1017c478bd9Sstevel@tonic-gate (void) snprintf(sysname1, sizeof (sysname1), "%s", Nodenamep); 1027c478bd9Sstevel@tonic-gate (void) snprintf(username1, sizeof (username1), "%s", user1p); 1037c478bd9Sstevel@tonic-gate } 1047c478bd9Sstevel@tonic-gate 1057c478bd9Sstevel@tonic-gate sysname1_all = STREQU (NAME_ALL, sysname1); 1067c478bd9Sstevel@tonic-gate username1_all = STREQU (NAME_ALL, username1); 1077c478bd9Sstevel@tonic-gate 1087c478bd9Sstevel@tonic-gate /* user2p is simple user name */ 1097c478bd9Sstevel@tonic-gate if (strpbrk (user2p, "!@") == NULL) 1107c478bd9Sstevel@tonic-gate return (username1_all && sysname1_all) || 1117c478bd9Sstevel@tonic-gate STREQU (username1, user2p); 1127c478bd9Sstevel@tonic-gate 1137c478bd9Sstevel@tonic-gate if ((sp = strrchr(user2p, '@')) != NULL) { /* user@host */ 1147c478bd9Sstevel@tonic-gate *sp++ = '\0'; 1157c478bd9Sstevel@tonic-gate (void) snprintf(sysname2, sizeof (sysname2), "%s", sp); 1167c478bd9Sstevel@tonic-gate (void) snprintf(username2, sizeof (username2), "%s", user2p); 1177c478bd9Sstevel@tonic-gate *--sp = '@'; 1187c478bd9Sstevel@tonic-gate } else if ((sp = strchr(user2p, '!')) != NULL) { /* host!user */ 1197c478bd9Sstevel@tonic-gate *sp++ = '\0'; 1207c478bd9Sstevel@tonic-gate (void) snprintf(sysname2, sizeof (sysname2), "%s", user2p); 1217c478bd9Sstevel@tonic-gate (void) snprintf(username2, sizeof (username2), "%s", sp); 1227c478bd9Sstevel@tonic-gate *--sp = '!'; 1237c478bd9Sstevel@tonic-gate } else { /* user */ 1247c478bd9Sstevel@tonic-gate (void) snprintf(sysname2, sizeof (sysname2), "%s", Nodenamep); 1257c478bd9Sstevel@tonic-gate (void) snprintf(username2, sizeof (username2), "%s", user1p); 1267c478bd9Sstevel@tonic-gate } 127*48bbca81SDaniel Hoffman 1287c478bd9Sstevel@tonic-gate sysname2_all = STREQU (NAME_ALL, sysname2); 1297c478bd9Sstevel@tonic-gate username2_all = STREQU (NAME_ALL, username2); 1307c478bd9Sstevel@tonic-gate 1317c478bd9Sstevel@tonic-gate if ((sysname1_all && username1_all) || 1327c478bd9Sstevel@tonic-gate (sysname2_all && username2_all) || 1337c478bd9Sstevel@tonic-gate (sysname1_all && username2_all) || 1347c478bd9Sstevel@tonic-gate (sysname2_all && username1_all)) 1357c478bd9Sstevel@tonic-gate return 1; 1367c478bd9Sstevel@tonic-gate 1377c478bd9Sstevel@tonic-gate if (sysname1_all || sysname2_all) 1387c478bd9Sstevel@tonic-gate return STREQU (username1, username2); 1397c478bd9Sstevel@tonic-gate 1407c478bd9Sstevel@tonic-gate if (username1_all || username2_all) 1417c478bd9Sstevel@tonic-gate return STREQU (sysname1, sysname2); 1427c478bd9Sstevel@tonic-gate 1437c478bd9Sstevel@tonic-gate if (STREQU (sysname1, sysname2) && STREQU (username1, username2)) 1447c478bd9Sstevel@tonic-gate return 1; 1457c478bd9Sstevel@tonic-gate 1467c478bd9Sstevel@tonic-gate return 0; 1477c478bd9Sstevel@tonic-gate } 1487c478bd9Sstevel@tonic-gate 1497c478bd9Sstevel@tonic-gate /** 1507c478bd9Sstevel@tonic-gate ** bang_searchlist() - SEARCH (char **) LIST FOR "system!user" ITEM 1517c478bd9Sstevel@tonic-gate **/ 1527c478bd9Sstevel@tonic-gate int 1537c478bd9Sstevel@tonic-gate bang_searchlist(char *item, char **list) 1547c478bd9Sstevel@tonic-gate { 1557c478bd9Sstevel@tonic-gate if (!list || !*list) 1567c478bd9Sstevel@tonic-gate return (0); 1577c478bd9Sstevel@tonic-gate 1587c478bd9Sstevel@tonic-gate /* 1597c478bd9Sstevel@tonic-gate * This is a linear search--we believe that the lists 1607c478bd9Sstevel@tonic-gate * will be short. 1617c478bd9Sstevel@tonic-gate */ 1627c478bd9Sstevel@tonic-gate while (*list) { 1637c478bd9Sstevel@tonic-gate if (bangequ(item, *list)) 1647c478bd9Sstevel@tonic-gate return (1); 1657c478bd9Sstevel@tonic-gate list++; 1667c478bd9Sstevel@tonic-gate } 1677c478bd9Sstevel@tonic-gate return (0); 1687c478bd9Sstevel@tonic-gate } 1697c478bd9Sstevel@tonic-gate 1707c478bd9Sstevel@tonic-gate /** 1717c478bd9Sstevel@tonic-gate ** bang_dellist() - REMOVE "system!name" ITEM FROM (char **) LIST 1727c478bd9Sstevel@tonic-gate **/ 1737c478bd9Sstevel@tonic-gate 1747c478bd9Sstevel@tonic-gate int 1757c478bd9Sstevel@tonic-gate bang_dellist(char ***plist, char *item) 1767c478bd9Sstevel@tonic-gate { 1777c478bd9Sstevel@tonic-gate register char ** pl; 1787c478bd9Sstevel@tonic-gate register char ** ql; 1797c478bd9Sstevel@tonic-gate 1807c478bd9Sstevel@tonic-gate register int n; 1817c478bd9Sstevel@tonic-gate 1827c478bd9Sstevel@tonic-gate /* 1837c478bd9Sstevel@tonic-gate * "hole" is a pointer guaranteed not 1847c478bd9Sstevel@tonic-gate * to point to anyplace malloc'd. 1857c478bd9Sstevel@tonic-gate */ 1867c478bd9Sstevel@tonic-gate char * hole = ""; 1877c478bd9Sstevel@tonic-gate 1887c478bd9Sstevel@tonic-gate 1897c478bd9Sstevel@tonic-gate /* 1907c478bd9Sstevel@tonic-gate * There are two ways this routine is different from the 1917c478bd9Sstevel@tonic-gate * regular "dellist()" routine: First, the items are of the form 1927c478bd9Sstevel@tonic-gate * ``system!name'', which means there is a two part matching 1937c478bd9Sstevel@tonic-gate * for ``all'' cases (all systems and/or all names). Second, 1947c478bd9Sstevel@tonic-gate * ALL matching items in the list are deleted. 1957c478bd9Sstevel@tonic-gate * 1967c478bd9Sstevel@tonic-gate * Now suppose the list contains just the word ``all'', and 197*48bbca81SDaniel Hoffman * the item to be deleted is the name ``foo''. What will 1987c478bd9Sstevel@tonic-gate * happen? The word ``all'' will be deleted, leaving the list 1997c478bd9Sstevel@tonic-gate * empty (null)! This may sound odd at first, but keep in mind 2007c478bd9Sstevel@tonic-gate * that this routine is paired with the regular "addlist()" 201*48bbca81SDaniel Hoffman * routine; the item (``foo'') is ADDED to an opposite list 2027c478bd9Sstevel@tonic-gate * (we are either deleting from a deny list and adding to an allow 2037c478bd9Sstevel@tonic-gate * list or vice versa). So, to continue the example, if previously 204*48bbca81SDaniel Hoffman * ``all'' were allowed, removing ``foo'' from the allow list 205*48bbca81SDaniel Hoffman * does indeed empty that list, but then putting it in the deny 206*48bbca81SDaniel Hoffman * list means only ``foo'' is denied, which is the effect we 2077c478bd9Sstevel@tonic-gate * want. 2087c478bd9Sstevel@tonic-gate */ 2097c478bd9Sstevel@tonic-gate 2107c478bd9Sstevel@tonic-gate if (*plist) { 2117c478bd9Sstevel@tonic-gate 2127c478bd9Sstevel@tonic-gate for (pl = *plist; *pl; pl++) 2137c478bd9Sstevel@tonic-gate if (bangequ(item, *pl)) { 2147c478bd9Sstevel@tonic-gate Free (*pl); 2157c478bd9Sstevel@tonic-gate *pl = hole; 2167c478bd9Sstevel@tonic-gate } 2177c478bd9Sstevel@tonic-gate 2187c478bd9Sstevel@tonic-gate for (n = 0, ql = pl = *plist; *pl; pl++) 2197c478bd9Sstevel@tonic-gate if (*pl != hole) { 2207c478bd9Sstevel@tonic-gate *ql++ = *pl; 2217c478bd9Sstevel@tonic-gate n++; 2227c478bd9Sstevel@tonic-gate } 2237c478bd9Sstevel@tonic-gate 2247c478bd9Sstevel@tonic-gate if (n == 0) { 2257c478bd9Sstevel@tonic-gate Free ((char *)*plist); 2267c478bd9Sstevel@tonic-gate *plist = 0; 2277c478bd9Sstevel@tonic-gate } else { 2287c478bd9Sstevel@tonic-gate *plist = (char **)Realloc( 2297c478bd9Sstevel@tonic-gate (char *)*plist, 2307c478bd9Sstevel@tonic-gate (n + 1) * sizeof(char *) 2317c478bd9Sstevel@tonic-gate ); 2327c478bd9Sstevel@tonic-gate if (!*plist) 2337c478bd9Sstevel@tonic-gate return (-1); 2347c478bd9Sstevel@tonic-gate (*plist)[n] = 0; 2357c478bd9Sstevel@tonic-gate } 2367c478bd9Sstevel@tonic-gate } 2377c478bd9Sstevel@tonic-gate 2387c478bd9Sstevel@tonic-gate return (0); 2397c478bd9Sstevel@tonic-gate } 240