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 * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
24 */
25
26 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
27 /* All Rights Reserved */
28
29
30 #pragma ident "%Z%%M% %I% %E% SMI"
31
32 #include <sys/types.h>
33 #include <sys/param.h>
34 #include <sys/signal.h>
35 #include <sys/sysmacros.h>
36 #include <sys/stat.h>
37 #include <stdio.h>
38 #include <stdlib.h>
39 #include <string.h>
40 #include <ctype.h>
41 #include <locale.h>
42 #include <errno.h>
43 #include <unistd.h>
44
45 #define ERROR1 "Too many/few fields"
46 #define ERROR2 "Bad character(s) in logname"
47 #define ERROR2a "First char in logname not alphabetic"
48 #define ERROR2b "Logname field NULL"
49 #define ERROR2c "Logname contains no lower-case letters"
50 #define ERROR3 "Logname too long/short"
51 #define ERROR4 "Invalid UID"
52 #define ERROR5 "Invalid GID"
53 #define ERROR6 "Login directory not found"
54 #define ERROR6a "Login directory null"
55 #define ERROR7 "Optional shell file not found"
56
57 static int eflag, code = 0;
58 static int badc;
59 static int lc;
60 static char buf[512];
61 static void error(char *);
62
63 int
146 error(ERROR2b);
147 else if (!isalpha(buf[0]))
148 error(ERROR2a);
149
150 for (i = 0; buf[i] != ':'; i++) {
151 if (!isalnum(buf[i]) &&
152 buf[i] != '_' &&
153 buf[i] != '-' &&
154 buf[i] != '.')
155 badc++;
156 else if (islower(buf[i]))
157 lc++;
158 }
159 if (lc == 0)
160 error(ERROR2c);
161 if (badc > 0)
162 error(ERROR2);
163
164 /* Check for valid number of characters in logname */
165
166 if (i <= 0 || i > 8)
167 error(ERROR3);
168
169 /* Check that UID is numeric and <= MAXUID */
170
171 errno = 0;
172 str = &buf[delim[1] + 1];
173 uid = strtol(str, &lastc, 10);
174 if (lastc != str + (delim[2] - delim[1]) - 1 ||
175 uid > MAXUID || errno == ERANGE)
176 error(ERROR4);
177
178 /* Check that GID is numeric and <= MAXUID */
179
180 errno = 0;
181 str = &buf[delim[2] + 1];
182 gid = strtol(str, &lastc, 10);
183 if (lastc != str + (delim[3] - delim[2]) - 1 ||
184 gid > MAXUID || errno == ERANGE)
185 error(ERROR5);
186
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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 * Copyright (c) 2013 Gary Mills
23 *
24 * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
25 * Use is subject to license terms.
26 */
27
28 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
29 /* All Rights Reserved */
30
31
32 #include <sys/types.h>
33 #include <sys/param.h>
34 #include <sys/signal.h>
35 #include <sys/sysmacros.h>
36 #include <sys/stat.h>
37 #include <stdio.h>
38 #include <stdlib.h>
39 #include <string.h>
40 #include <ctype.h>
41 #include <locale.h>
42 #include <errno.h>
43 #include <unistd.h>
44 #include <limits.h>
45
46 #define ERROR1 "Too many/few fields"
47 #define ERROR2 "Bad character(s) in logname"
48 #define ERROR2a "First char in logname not alphabetic"
49 #define ERROR2b "Logname field NULL"
50 #define ERROR2c "Logname contains no lower-case letters"
51 #define ERROR3 "Logname too long/short"
52 #define ERROR4 "Invalid UID"
53 #define ERROR5 "Invalid GID"
54 #define ERROR6 "Login directory not found"
55 #define ERROR6a "Login directory null"
56 #define ERROR7 "Optional shell file not found"
57
58 static int eflag, code = 0;
59 static int badc;
60 static int lc;
61 static char buf[512];
62 static void error(char *);
63
64 int
147 error(ERROR2b);
148 else if (!isalpha(buf[0]))
149 error(ERROR2a);
150
151 for (i = 0; buf[i] != ':'; i++) {
152 if (!isalnum(buf[i]) &&
153 buf[i] != '_' &&
154 buf[i] != '-' &&
155 buf[i] != '.')
156 badc++;
157 else if (islower(buf[i]))
158 lc++;
159 }
160 if (lc == 0)
161 error(ERROR2c);
162 if (badc > 0)
163 error(ERROR2);
164
165 /* Check for valid number of characters in logname */
166
167 if (i <= 0 || i > LOGNAME_MAX)
168 error(ERROR3);
169
170 /* Check that UID is numeric and <= MAXUID */
171
172 errno = 0;
173 str = &buf[delim[1] + 1];
174 uid = strtol(str, &lastc, 10);
175 if (lastc != str + (delim[2] - delim[1]) - 1 ||
176 uid > MAXUID || errno == ERANGE)
177 error(ERROR4);
178
179 /* Check that GID is numeric and <= MAXUID */
180
181 errno = 0;
182 str = &buf[delim[2] + 1];
183 gid = strtol(str, &lastc, 10);
184 if (lastc != str + (delim[3] - delim[2]) - 1 ||
185 gid > MAXUID || errno == ERANGE)
186 error(ERROR5);
187
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