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, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
23 /* All Rights Reserved */
24
25
26 /*
27 * Copyright (c) 1997-2000 by Sun Microsystems, Inc.
28 * All rights reserved.
29 */
30
31 #pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.2 */
32 /*LINTLIBRARY*/
33
34 #include <string.h>
35 #include <ctype.h>
36 #include <sys/types.h>
37 #include "libadm.h"
38
39 static char *rsvrd[] = {
40 "all",
41 "install",
42 "new",
43 NULL
44 };
45
46 #define NMBRK ".*"
47 #define WILD1 ".*"
48 #define WILD2 "*"
49 #define WILD3 ".name"
50 #define ABI_NAMELNGTH 9
51 #define NON_ABI_NAMELNGTH 32
52
53 static int abi_namelngth = 0;
54
55 static int
valname(char * pkg,int wild,int presvr4flg)56 valname(char *pkg, int wild, int presvr4flg)
57 {
58 int count, i, n;
59 char *pt;
60
61 /* wild == 1 allow wildcard specification as a name */
62 if (wild && (strcmp(pkg, "all") == 0))
63 return (0);
64
65 /* check for reserved package names */
66 for (i = 0; rsvrd[i]; i++) {
67 n = (int)strlen(rsvrd[i]);
68 if ((strncmp(pkg, rsvrd[i], n) == 0) &&
69 (!pkg[n] || strchr(NMBRK, pkg[n])))
70 return (1);
71 }
72
73 /*
74 * check for valid extensions; we must do this
75 * first since we need to look for SVR3 ".name"
76 * before we validate the package abbreviation
77 */
78 if (pt = strpbrk(pkg, NMBRK)) {
79 if (presvr4flg && (strcmp(pt, WILD3) == 0))
80 return (0); /* SVR3 packages have no validation */
81 else if ((strcmp(pt, WILD1) == 0) || (strcmp(pt, WILD2) == 0)) {
82 /* wildcard specification */
83 if (!wild)
84 return (1);
85 } else {
86 count = 0;
87 while (*++pt) {
88 count++;
89 if (!isalpha((unsigned char)*pt) &&
90 !isdigit((unsigned char)*pt) &&
91 !strpbrk(pt, "-+"))
92 return (-1);
93 }
94 if (!count || (count > 4))
95 return (-1);
96 }
97 }
98
99 /* check for valid package name */
100 count = 0;
101 if (!isalnum((unsigned char)*pkg) ||
102 (!presvr4flg && !isalpha((unsigned char)*pkg)))
103 return (-1);
104 while (*pkg && !strchr(NMBRK, *pkg)) {
105 if (!isalnum((unsigned char)*pkg) && !strpbrk(pkg, "-+"))
106 return (-1);
107 count++, pkg++;
108 }
109
110 /* Check for ABI package name length */
111 if (get_ABI_namelngth() == 1) {
112 if (count > ABI_NAMELNGTH)
113 return (-1);
114 } else if (count > NON_ABI_NAMELNGTH)
115 return (-1);
116
117 return (0); /* pkg is valid */
118 }
119
120 /* presvr4flg - check for pre-svr4 package names also ? */
121 int
pkgnmchk(char * pkg,char * spec,int presvr4flg)122 pkgnmchk(char *pkg, char *spec, int presvr4flg)
123 {
124 /* pkg is assumed to be non-NULL upon entry */
125
126 /*
127 * this routine reacts based on the value passed in spec:
128 * NULL pkg must be valid and may be a wildcard spec
129 * "all" pkg must be valid and must be an instance
130 * "x.*" pkg must be valid and must be an instance of "x"
131 * "x*" pkg must be valid and must be an instance of "x"
132 */
133
134 if (valname(pkg, ((spec == NULL) ? 1 : 0), presvr4flg))
135 return (1); /* invalid or reserved name */
136
137 if ((spec == NULL) || (strcmp(spec, "all") == 0))
138 return (0);
139
140 while (*pkg == *spec) {
141 if ((strcmp(spec, WILD1) == 0) || (strcmp(spec, WILD2) == 0) ||
142 (strcmp(spec, WILD3) == 0))
143 break; /* wildcard spec, so stop right here */
144 else if (*pkg++ == '\0')
145 return (0); /* identical match */
146 spec++;
147 }
148
149 if ((strcmp(spec, WILD1) == 0) || (strcmp(spec, WILD2) == 0) ||
150 (strcmp(spec, WILD3) == 0)) {
151 if ((pkg[0] == '\0') || (pkg[0] == '.'))
152 return (0);
153 }
154 if ((spec[0] == '\0') && (strcmp(pkg, WILD3) == 0))
155 return (0); /* compare pkg.name to pkg */
156 return (1);
157 }
158
159 void
set_ABI_namelngth(void)160 set_ABI_namelngth(void)
161 {
162 abi_namelngth = 1;
163 }
164
165 int
get_ABI_namelngth(void)166 get_ABI_namelngth(void)
167 {
168 return (abi_namelngth);
169 }
170