/* acl.c -- routines for access control lists $Id: acl.c,v 1.6 2005/03/05 00:37:10 dasenbro Exp $ * Copyright (c) 1998-2003 Carnegie Mellon University. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. The name "Carnegie Mellon University" must not be used to * endorse or promote products derived from this software without * prior written permission. For permission or any other legal * details, please contact * Office of Technology Transfer * Carnegie Mellon University * 5000 Forbes Avenue * Pittsburgh, PA 15213-3890 * (412) 268-4387, fax: (412) 268-7395 * tech-transfer@andrew.cmu.edu * * 4. Redistributions of any form whatsoever must retain the following * acknowledgment: * "This product includes software developed by Computing Services * at Carnegie Mellon University (http://www.cmu.edu/computing/)." * * CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE * FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. * * Author: Chris Newman * Start Date: 6/28/93 */ #include <config.h> #include <stdio.h> #include "acl.h" /* convert a string to an acl bit vector */ int cyrus_acl_strtomask(str) const char *str; { long result = 0; while (*str) { switch (*str++) { case 'l': result |= ACL_LOOKUP; break; case 'r': result |= ACL_READ; break; case 's': result |= ACL_SEEN; break; case 'w': result |= ACL_WRITE; break; case 'i': result |= ACL_INSERT; break; case 'p': result |= ACL_POST; break; case 'c': result |= ACL_CREATE; break; case 'd': result |= ACL_REMOVE; break; case 'a': result |= ACL_ADMIN; break; case '0': result |= ACL_USER0; break; case '1': result |= ACL_USER1; break; case '2': result |= ACL_USER2; break; case '3': result |= ACL_USER3; break; case '4': result |= ACL_USER4; break; case '5': result |= ACL_USER5; break; case '6': result |= ACL_USER6; break; case '7': result |= ACL_USER7; break; case '8': result |= ACL_USER8; break; case '9': result |= ACL_USER9; break; } } return (result); } /* convert an acl bit vector to a string */ char *cyrus_acl_masktostr(acl, str) int acl; char *str; { char *pos = str; if (acl & ACL_LOOKUP) *pos++ = 'l'; if (acl & ACL_READ) *pos++ = 'r'; if (acl & ACL_SEEN) *pos++ = 's'; if (acl & ACL_WRITE) *pos++ = 'w'; if (acl & ACL_INSERT) *pos++ = 'i'; if (acl & ACL_POST) *pos++ = 'p'; if (acl & ACL_CREATE) *pos++ = 'c'; if (acl & ACL_REMOVE) *pos++ = 'd'; if (acl & ACL_ADMIN) *pos++ = 'a'; if (acl & ACL_USER0) *pos++ = '0'; if (acl & ACL_USER1) *pos++ = '1'; if (acl & ACL_USER2) *pos++ = '2'; if (acl & ACL_USER3) *pos++ = '3'; if (acl & ACL_USER4) *pos++ = '4'; if (acl & ACL_USER5) *pos++ = '5'; if (acl & ACL_USER6) *pos++ = '6'; if (acl & ACL_USER7) *pos++ = '7'; if (acl & ACL_USER8) *pos++ = '8'; if (acl & ACL_USER9) *pos++ = '9'; *pos = '\0'; return (str); }