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 /*LINTLIBRARY*/
32
33 #include <string.h>
34 #include <ctype.h>
35 #include <sys/types.h>
36 #include <note.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 ABI_NAMELNGTH 9
50 #define NON_ABI_NAMELNGTH 32
51
52 static int abi_namelngth = 0;
53
54 static int
valname(char * pkg,int wild)55 valname(char *pkg, int wild)
56 {
57 int count, i, n;
58 char *pt;
59
60 /* wild == 1 allow wildcard specification as a name */
61 if (wild && (strcmp(pkg, "all") == 0))
62 return (0);
63
64 /* check for reserved package names */
65 for (i = 0; rsvrd[i]; i++) {
66 n = (int)strlen(rsvrd[i]);
67 if ((strncmp(pkg, rsvrd[i], n) == 0) &&
68 (!pkg[n] || strchr(NMBRK, pkg[n])))
69 return (1);
70 }
71
72 /*
73 * check for valid extensions; we used to do this
74 * first since we needed to look for SVR3 ".name"
75 * before we validate the package abbreviation
76 */
77 if (pt = strpbrk(pkg, NMBRK)) {
78 if ((strcmp(pt, WILD1) == 0) || (strcmp(pt, WILD2) == 0)) {
79 /* wildcard specification */
80 if (!wild)
81 return (1);
82 } else {
83 count = 0;
84 while (*++pt) {
85 count++;
86 if (!isalpha((unsigned char)*pt) &&
87 !isdigit((unsigned char)*pt) &&
88 !strpbrk(pt, "-+"))
89 return (-1);
90 }
91 if (!count || (count > 4))
92 return (-1);
93 }
94 }
95
96 /* check for valid package name */
97 count = 0;
98 if (!isalpha((unsigned char)*pkg))
99 return (-1);
100 while (*pkg && !strchr(NMBRK, *pkg)) {
101 if (!isalnum((unsigned char)*pkg) && !strpbrk(pkg, "-+"))
102 return (-1);
103 count++, pkg++;
104 }
105
106 /* Check for ABI package name length */
107 if (get_ABI_namelngth() == 1) {
108 if (count > ABI_NAMELNGTH)
109 return (-1);
110 } else if (count > NON_ABI_NAMELNGTH)
111 return (-1);
112
113 return (0); /* pkg is valid */
114 }
115
116 /* presvr4flg - check for pre-svr4 package names also ? */
117 int
pkgnmchk(char * pkg,char * spec,int presvr4flg)118 pkgnmchk(char *pkg, char *spec, int presvr4flg)
119 {
120 _NOTE(ARGUNUSED(presvr4flg));
121
122 /* pkg is assumed to be non-NULL upon entry */
123
124 /*
125 * this routine reacts based on the value passed in spec:
126 * NULL pkg must be valid and may be a wildcard spec
127 * "all" pkg must be valid and must be an instance
128 * "x.*" pkg must be valid and must be an instance of "x"
129 * "x*" pkg must be valid and must be an instance of "x"
130 */
131
132 if (valname(pkg, ((spec == NULL) ? 1 : 0)))
133 return (1); /* invalid or reserved name */
134
135 if ((spec == NULL) || (strcmp(spec, "all") == 0))
136 return (0);
137
138 while (*pkg == *spec) {
139 if ((strcmp(spec, WILD1) == 0) || (strcmp(spec, WILD2) == 0))
140 break; /* wildcard spec, so stop right here */
141 else if (*pkg++ == '\0')
142 return (0); /* identical match */
143 spec++;
144 }
145
146 if ((strcmp(spec, WILD1) == 0) || (strcmp(spec, WILD2) == 0))
147 if ((pkg[0] == '\0') || (pkg[0] == '.'))
148 return (0);
149 return (1);
150 }
151
152 void
set_ABI_namelngth(void)153 set_ABI_namelngth(void)
154 {
155 abi_namelngth = 1;
156 }
157
158 int
get_ABI_namelngth(void)159 get_ABI_namelngth(void)
160 {
161 return (abi_namelngth);
162 }
163