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
64 main(int argc, char **argv)
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
|
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 #ifdef LOGNAME_MAX_ILLUMOS
47 #define _LOGNAME_MAX LOGNAME_MAX_ILLUMOS
48 #else /* LOGNAME_MAX_ILLUMOS */
49 #define _LOGNAME_MAX LOGNAME_MAX
50 #endif /* LOGNAME_MAX_ILLUMOS */
51
52 #define ERROR1 "Too many/few fields"
53 #define ERROR2 "Bad character(s) in logname"
54 #define ERROR2a "First char in logname not alphabetic"
55 #define ERROR2b "Logname field NULL"
56 #define ERROR2c "Logname contains no lower-case letters"
57 #define ERROR3 "Logname too long/short"
58 #define ERROR4 "Invalid UID"
59 #define ERROR5 "Invalid GID"
60 #define ERROR6 "Login directory not found"
61 #define ERROR6a "Login directory null"
62 #define ERROR7 "Optional shell file not found"
63
64 static int eflag, code = 0;
65 static int badc;
66 static int lc;
67 static char buf[512];
68 static void error(char *);
69
70 int
71 main(int argc, char **argv)
153 error(ERROR2b);
154 else if (!isalpha(buf[0]))
155 error(ERROR2a);
156
157 for (i = 0; buf[i] != ':'; i++) {
158 if (!isalnum(buf[i]) &&
159 buf[i] != '_' &&
160 buf[i] != '-' &&
161 buf[i] != '.')
162 badc++;
163 else if (islower(buf[i]))
164 lc++;
165 }
166 if (lc == 0)
167 error(ERROR2c);
168 if (badc > 0)
169 error(ERROR2);
170
171 /* Check for valid number of characters in logname */
172
173 if (i <= 0 || i > _LOGNAME_MAX)
174 error(ERROR3);
175
176 /* Check that UID is numeric and <= MAXUID */
177
178 errno = 0;
179 str = &buf[delim[1] + 1];
180 uid = strtol(str, &lastc, 10);
181 if (lastc != str + (delim[2] - delim[1]) - 1 ||
182 uid > MAXUID || errno == ERANGE)
183 error(ERROR4);
184
185 /* Check that GID is numeric and <= MAXUID */
186
187 errno = 0;
188 str = &buf[delim[2] + 1];
189 gid = strtol(str, &lastc, 10);
190 if (lastc != str + (delim[3] - delim[2]) - 1 ||
191 gid > MAXUID || errno == ERANGE)
192 error(ERROR5);
193
|