1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 28 /* All Rights Reserved */ 29 30 31 32 #include <ctype.h> 33 #include <string.h> 34 #include <sys/types.h> 35 #include "pkglib.h" 36 #include "pkglibmsgs.h" 37 #include "pkglocale.h" 38 39 #define MAXLEN 256 40 #define TOKLEN 16 41 42 static int proc_name(char *param, char *value); 43 static int proc_arch(char *param, char *value); 44 static int proc_version(char *param, char *value); 45 static int proc_category(char *param, char *value); 46 static int bad_first_char(char *param, char *value); 47 static int not_alnum(char *param, char *pt); 48 static int not_ascii(char *param, char *pt); 49 static int too_long(char *param, char *pt, int len); 50 static int isnull(char *param, char *pt); 51 52 int 53 ckparam(char *param, char *val) 54 { 55 char *value = strdup(val); 56 int ret_val = 0; /* return value */ 57 58 if (strcmp(param, "NAME") == 0) 59 ret_val = proc_name(param, value); 60 61 else if (strcmp(param, "ARCH") == 0) 62 ret_val = proc_arch(param, value); 63 64 else if (strcmp(param, "VERSION") == 0) 65 ret_val = proc_version(param, value); 66 67 else if (strcmp(param, "CATEGORY") == 0) 68 ret_val = proc_category(param, value); 69 70 /* param does not match existing parameters */ 71 free(value); 72 return (ret_val); 73 } 74 75 static int 76 proc_name(char *param, char *value) 77 { 78 int ret_val; 79 80 if (!(ret_val = isnull(param, value))) { 81 ret_val += too_long(param, value, MAXLEN); 82 ret_val += not_ascii(param, value); 83 } 84 85 return (ret_val); 86 } 87 88 static int 89 proc_arch(char *param, char *value) 90 { 91 int ret_val; 92 char *token; 93 94 if (!(ret_val = isnull(param, value))) { 95 token = strtok(value, ", "); 96 97 while (token) { 98 ret_val += too_long(param, token, TOKLEN); 99 ret_val += not_ascii(param, token); 100 token = strtok(NULL, ", "); 101 } 102 } 103 104 return (ret_val); 105 } 106 107 static int 108 proc_version(char *param, char *value) 109 { 110 int ret_val; 111 112 if (!(ret_val = isnull(param, value))) { 113 ret_val += bad_first_char(param, value); 114 ret_val += too_long(param, value, MAXLEN); 115 ret_val += not_ascii(param, value); 116 } 117 118 return (ret_val); 119 } 120 121 static int 122 proc_category(char *param, char *value) 123 { 124 int ret_val; 125 char *token; 126 127 if (!(ret_val = isnull(param, value))) { 128 token = strtok(value, ", "); 129 130 while (token) { 131 ret_val += too_long(param, token, TOKLEN); 132 ret_val += not_alnum(param, token); 133 token = strtok(NULL, ", "); 134 } 135 } 136 137 return (ret_val); 138 } 139 140 static int 141 bad_first_char(char *param, char *value) 142 { 143 if (*value == '(') { 144 progerr(pkg_gt(ERR_CHAR), param); 145 return (1); 146 } 147 148 return (0); 149 } 150 151 static int 152 isnull(char *param, char *pt) 153 { 154 if (!pt || *pt == '\0') { 155 progerr(pkg_gt(ERR_UNDEF), param); 156 return (1); 157 } 158 return (0); 159 } 160 161 static int 162 too_long(char *param, char *pt, int len) 163 { 164 if (strlen(pt) > (size_t)len) { 165 progerr(pkg_gt(ERR_LEN), param); 166 return (1); 167 } 168 return (0); 169 } 170 171 static int 172 not_ascii(char *param, char *pt) 173 { 174 while (*pt) { 175 if (!(isascii(*pt))) { 176 progerr(pkg_gt(ERR_ASCII), param); 177 return (1); 178 } 179 pt++; 180 } 181 return (0); 182 } 183 184 static int 185 not_alnum(char *param, char *pt) 186 { 187 while (*pt) { 188 if (!(isalnum(*pt))) { 189 progerr(pkg_gt(ERR_ALNUM), param); 190 return (1); 191 } 192 pt++; 193 } 194 195 return (0); 196 } 197