1da6c28aaSamw /* 2da6c28aaSamw * CDDL HEADER START 3da6c28aaSamw * 4da6c28aaSamw * The contents of this file are subject to the terms of the 5da6c28aaSamw * Common Development and Distribution License (the "License"). 6da6c28aaSamw * You may not use this file except in compliance with the License. 7da6c28aaSamw * 8da6c28aaSamw * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9da6c28aaSamw * or http://www.opensolaris.org/os/licensing. 10da6c28aaSamw * See the License for the specific language governing permissions 11da6c28aaSamw * and limitations under the License. 12da6c28aaSamw * 13da6c28aaSamw * When distributing Covered Code, include this CDDL HEADER in each 14da6c28aaSamw * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15da6c28aaSamw * If applicable, add the following below this CDDL HEADER, with the 16da6c28aaSamw * fields enclosed by brackets "[]" replaced with your own identifying 17da6c28aaSamw * information: Portions Copyright [yyyy] [name of copyright owner] 18da6c28aaSamw * 19da6c28aaSamw * CDDL HEADER END 20da6c28aaSamw */ 21da6c28aaSamw /* 22*94fff790SAlan Wright * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 23da6c28aaSamw * Use is subject to license terms. 24da6c28aaSamw */ 25da6c28aaSamw 26da6c28aaSamw #ifndef _KERNEL 27da6c28aaSamw #include <stdlib.h> 28da6c28aaSamw #include <string.h> 29da6c28aaSamw #else 30da6c28aaSamw #include <sys/types.h> 31da6c28aaSamw #include <sys/sunddi.h> 32da6c28aaSamw #endif 33da6c28aaSamw #include <smbsrv/ctype.h> 34da6c28aaSamw 35*94fff790SAlan Wright #define SMB_CRC_POLYNOMIAL 0xD8B5D8B5 36da6c28aaSamw 37da6c28aaSamw /* 38da6c28aaSamw * c Any non-special character matches itslef 39da6c28aaSamw * ? Match any character 40da6c28aaSamw * ab character 'a' followed by character 'b' 41da6c28aaSamw * S Any string of non-special characters 42da6c28aaSamw * AB String 'A' followed by string 'B' 43da6c28aaSamw * * Any String, including the empty string 44da6c28aaSamw */ 45da6c28aaSamw int 46da6c28aaSamw smb_match(char *patn, char *str) 47da6c28aaSamw { 48da6c28aaSamw for (;;) { 49da6c28aaSamw switch (*patn) { 50da6c28aaSamw case 0: 51da6c28aaSamw return (*str == 0); 52da6c28aaSamw 53da6c28aaSamw case '?': 54da6c28aaSamw if (*str != 0) { 55da6c28aaSamw str++; 56da6c28aaSamw patn++; 57da6c28aaSamw continue; 58da6c28aaSamw } else { 59da6c28aaSamw return (0); 60da6c28aaSamw } 61da6c28aaSamw /*NOTREACHED*/ 62da6c28aaSamw 63da6c28aaSamw #if 0 64da6c28aaSamw case '[': 65da6c28aaSamw int invert = 0, clower, cupper; 66da6c28aaSamw 67da6c28aaSamw patn++; 68da6c28aaSamw if (*patn == '!') { 69da6c28aaSamw invert = 1; 70da6c28aaSamw patn++; 71da6c28aaSamw } 72da6c28aaSamw for (;;) { 73da6c28aaSamw clower = *patn; 74da6c28aaSamw if (clower == 0) 75da6c28aaSamw break; 76da6c28aaSamw if (clower == ']') { 77da6c28aaSamw patn++; 78da6c28aaSamw break; 79da6c28aaSamw } 80da6c28aaSamw patn++; 81da6c28aaSamw if (*patn == '-') { 82da6c28aaSamw /* range */ 83da6c28aaSamw patn++; 84da6c28aaSamw cupper = *patn; 85da6c28aaSamw if (cupper == 0) 86da6c28aaSamw break; 87da6c28aaSamw patn++; 88da6c28aaSamw } else { 89da6c28aaSamw cupper = clower; 90da6c28aaSamw } 91da6c28aaSamw if (*str < clower || cupper < *str) 92da6c28aaSamw continue; 93da6c28aaSamw 94da6c28aaSamw /* match */ 95da6c28aaSamw if (invert) 96da6c28aaSamw return (0); 97da6c28aaSamw 98da6c28aaSamw while (*patn && *patn++ != ']') 99da6c28aaSamw ; 100da6c28aaSamw str++; 101da6c28aaSamw continue; /* THIS WON`T WORK */ 102da6c28aaSamw } 103da6c28aaSamw if (invert) { 104da6c28aaSamw str++; 105da6c28aaSamw continue; 106da6c28aaSamw } 107da6c28aaSamw return (0); 108da6c28aaSamw 109da6c28aaSamw #endif 110da6c28aaSamw 111da6c28aaSamw case '*': 112da6c28aaSamw patn++; 113da6c28aaSamw if (*patn == 0) 114da6c28aaSamw return (1); 115da6c28aaSamw 116da6c28aaSamw #if 0 117da6c28aaSamw if (*patn != '?' && *patn != '*' && *patn != '[') { 118da6c28aaSamw /* accelerate */ 119da6c28aaSamw while (*str) { 120da6c28aaSamw if (*str == *patn && 121da6c28aaSamw match(patn+1, str+1)) 122da6c28aaSamw return (1); 123da6c28aaSamw str++; 124da6c28aaSamw } 125da6c28aaSamw return (0); 126da6c28aaSamw } 127da6c28aaSamw #endif 128da6c28aaSamw 129da6c28aaSamw while (*str) { 130da6c28aaSamw if (smb_match(patn, str)) 131da6c28aaSamw return (1); 132da6c28aaSamw str++; 133da6c28aaSamw } 134da6c28aaSamw return (0); 135da6c28aaSamw 136da6c28aaSamw default: 137da6c28aaSamw if (*str != *patn) 138da6c28aaSamw return (0); 139da6c28aaSamw str++; 140da6c28aaSamw patn++; 141da6c28aaSamw continue; 142da6c28aaSamw } 143da6c28aaSamw } 144da6c28aaSamw } 145da6c28aaSamw 146da6c28aaSamw int 147da6c28aaSamw smb_match83(char *patn, char *str83) 148da6c28aaSamw { 149da6c28aaSamw int avail; 150da6c28aaSamw char *ptr; 151da6c28aaSamw char name83[14]; 152da6c28aaSamw 153da6c28aaSamw ptr = name83; 154da6c28aaSamw for (avail = 8; (avail > 0) && (*patn != '.') && (*patn != 0); 155da6c28aaSamw avail--) { 156da6c28aaSamw *(ptr++) = *(patn++); 157da6c28aaSamw } 158da6c28aaSamw while (avail--) 159da6c28aaSamw *(ptr++) = ' '; 160da6c28aaSamw *(ptr++) = '.'; 161da6c28aaSamw 162da6c28aaSamw if (*patn == '.') 163da6c28aaSamw patn++; 164da6c28aaSamw else if (*patn != 0) 165da6c28aaSamw return (0); 166da6c28aaSamw 167da6c28aaSamw for (avail = 3; (avail > 0) && (*patn != 0); avail--) { 168da6c28aaSamw *(ptr++) = *(patn++); 169da6c28aaSamw } 170da6c28aaSamw if (*patn != 0) 171da6c28aaSamw return (0); 172da6c28aaSamw 173da6c28aaSamw while (avail--) 174da6c28aaSamw *(ptr++) = ' '; 175da6c28aaSamw *ptr = 0; 176da6c28aaSamw 177da6c28aaSamw return (smb_match_ci(name83, str83)); 178da6c28aaSamw } 179da6c28aaSamw 180da6c28aaSamw 181da6c28aaSamw 182da6c28aaSamw int 183da6c28aaSamw smb_match_ci(char *patn, char *str) 184da6c28aaSamw { 185da6c28aaSamw /* 186da6c28aaSamw * "<" is a special pattern that matches only those names that do 187da6c28aaSamw * NOT have an extension. "." and ".." are ok. 188da6c28aaSamw */ 189da6c28aaSamw if (strcmp(patn, "<") == 0) { 190da6c28aaSamw if ((strcmp(str, ".") == 0) || (strcmp(str, "..") == 0)) 191da6c28aaSamw return (1); 192da6c28aaSamw if (strchr(str, '.') == 0) 193da6c28aaSamw return (1); 194da6c28aaSamw return (0); 195da6c28aaSamw } 196da6c28aaSamw for (;;) { 197da6c28aaSamw switch (*patn) { 198da6c28aaSamw case 0: 199da6c28aaSamw return (*str == 0); 200da6c28aaSamw 201da6c28aaSamw case '?': 202da6c28aaSamw if (*str != 0) { 203da6c28aaSamw str++; 204da6c28aaSamw patn++; 205da6c28aaSamw continue; 206da6c28aaSamw } else { 207da6c28aaSamw return (0); 208da6c28aaSamw } 209da6c28aaSamw /*NOTREACHED*/ 210da6c28aaSamw 211da6c28aaSamw 212da6c28aaSamw case '*': 213da6c28aaSamw patn++; 214da6c28aaSamw if (*patn == 0) 215da6c28aaSamw return (1); 216da6c28aaSamw 217da6c28aaSamw while (*str) { 218da6c28aaSamw if (smb_match_ci(patn, str)) 219da6c28aaSamw return (1); 220da6c28aaSamw str++; 221da6c28aaSamw } 222da6c28aaSamw return (0); 223da6c28aaSamw 224da6c28aaSamw default: 225da6c28aaSamw if (*str != *patn) { 226da6c28aaSamw int c1 = *str; 227da6c28aaSamw int c2 = *patn; 228da6c28aaSamw 229da6c28aaSamw c1 = mts_tolower(c1); 230da6c28aaSamw c2 = mts_tolower(c2); 231da6c28aaSamw if (c1 != c2) 232da6c28aaSamw return (0); 233da6c28aaSamw } 234da6c28aaSamw str++; 235da6c28aaSamw patn++; 236da6c28aaSamw continue; 237da6c28aaSamw } 238da6c28aaSamw } 239da6c28aaSamw /* NOT REACHED */ 240da6c28aaSamw } 241*94fff790SAlan Wright 242*94fff790SAlan Wright uint32_t 243*94fff790SAlan Wright smb_crc_gen(uint8_t *buf, size_t len) 244*94fff790SAlan Wright { 245*94fff790SAlan Wright uint32_t crc = SMB_CRC_POLYNOMIAL; 246*94fff790SAlan Wright uint8_t *p; 247*94fff790SAlan Wright int i; 248*94fff790SAlan Wright 249*94fff790SAlan Wright for (p = buf, i = 0; i < len; ++i, ++p) { 250*94fff790SAlan Wright crc = (crc ^ (uint32_t)*p) + (crc << 12); 251*94fff790SAlan Wright 252*94fff790SAlan Wright if (crc == 0 || crc == 0xFFFFFFFF) 253*94fff790SAlan Wright crc = SMB_CRC_POLYNOMIAL; 254*94fff790SAlan Wright } 255*94fff790SAlan Wright 256*94fff790SAlan Wright return (crc); 257*94fff790SAlan Wright } 258