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 * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
24 *
25 * From "tsol_gettpent.c 7.13 00/10/13 SMI; TSOL 2.x"
26 */
27
28 #include <stdio.h>
29 #include <string.h>
30 #include <nss_dbdefs.h>
31 #include <libtsnet.h>
32 #include <secdb.h>
33 #include <nss.h>
34 #include <libintl.h>
35
36 extern void _nss_XbyY_fgets(FILE *, nss_XbyY_args_t *); /* from lib.c */
37
38 static int tsol_tp_stayopen; /* Unsynchronized, but it affects only */
39 /* efficiency, not correctness */
40 static DEFINE_NSS_DB_ROOT(db_root);
41 static DEFINE_NSS_GETENT(context);
42
43
44 static void
_nss_initf_tsol_tp(nss_db_params_t * p)45 _nss_initf_tsol_tp(nss_db_params_t *p)
46 {
47 p->name = NSS_DBNAM_TSOL_TP;
48 p->default_config = NSS_DEFCONF_TSOL_TP;
49 }
50
51 tsol_tpent_t *
tsol_gettpbyname(const char * name)52 tsol_gettpbyname(const char *name)
53 {
54 int err = 0;
55 char *errstr = NULL;
56 char buf[NSS_BUFLEN_TSOL_TP];
57 tsol_tpstr_t result;
58 tsol_tpstr_t *tpstrp = NULL;
59 nss_XbyY_args_t arg;
60
61 NSS_XbyY_INIT(&arg, &result, buf, sizeof (buf), str_to_tpstr);
62
63 arg.key.name = name;
64 arg.stayopen = tsol_tp_stayopen;
65 arg.h_errno = TSOL_NOT_FOUND;
66 arg.status = nss_search(&db_root, _nss_initf_tsol_tp,
67 NSS_DBOP_TSOL_TP_BYNAME, &arg);
68 tpstrp = (tsol_tpstr_t *)NSS_XbyY_FINI(&arg);
69
70 #ifdef DEBUG
71 (void) fprintf(stdout, "tsol_gettpbyname %s: %s\n",
72 name, tpstrp ? tpstrp->template : "NULL");
73 #endif /* DEBUG */
74
75 if (tpstrp == NULL)
76 return (NULL);
77
78 return (tpstr_to_ent(tpstrp, &err, &errstr));
79 }
80
81 void
tsol_settpent(int stay)82 tsol_settpent(int stay)
83 {
84 tsol_tp_stayopen |= stay;
85 nss_setent(&db_root, _nss_initf_tsol_tp, &context);
86 }
87
88 void
tsol_endtpent(void)89 tsol_endtpent(void)
90 {
91 tsol_tp_stayopen = 0;
92 nss_endent(&db_root, _nss_initf_tsol_tp, &context);
93 nss_delete(&db_root);
94 }
95
96 tsol_tpent_t *
tsol_gettpent(void)97 tsol_gettpent(void)
98 {
99 int err = 0;
100 char *errstr = NULL;
101 char buf[NSS_BUFLEN_TSOL_TP];
102 tsol_tpstr_t result;
103 tsol_tpstr_t *tpstrp = NULL;
104 nss_XbyY_args_t arg;
105
106 NSS_XbyY_INIT(&arg, &result, buf, sizeof (buf), str_to_tpstr);
107 /* No key, no stayopen */
108 arg.status = nss_getent(&db_root, _nss_initf_tsol_tp, &context, &arg);
109 tpstrp = (tsol_tpstr_t *)NSS_XbyY_FINI(&arg);
110
111 #ifdef DEBUG
112 (void) fprintf(stdout, "tsol_gettpent: %s\n",
113 tpstrp ? tpstrp->template : "NULL");
114 #endif /* DEBUG */
115
116 if (tpstrp == NULL)
117 return (NULL);
118
119 return (tpstr_to_ent(tpstrp, &err, &errstr));
120 }
121
122 tsol_tpent_t *
tsol_fgettpent(FILE * f,boolean_t * error)123 tsol_fgettpent(FILE *f, boolean_t *error)
124 {
125 int err = 0;
126 char *errstr = NULL;
127 char buf[NSS_BUFLEN_TSOL_TP];
128 tsol_tpstr_t result;
129 tsol_tpstr_t *tpstrp = NULL;
130 tsol_tpent_t *tpentp = NULL;
131 nss_XbyY_args_t arg;
132
133 NSS_XbyY_INIT(&arg, &result, buf, sizeof (buf), str_to_tpstr);
134 _nss_XbyY_fgets(f, &arg);
135 tpstrp = (tsol_tpstr_t *)NSS_XbyY_FINI(&arg);
136 if (tpstrp == NULL)
137 return (NULL);
138 tpentp = tpstr_to_ent(tpstrp, &err, &errstr);
139 while (tpentp == NULL) {
140 /*
141 * Loop until we find a non-blank, non-comment line, or
142 * until EOF. No need to log blank lines, comments.
143 */
144 if (err != LTSNET_EMPTY) {
145 (void) fprintf(stderr, "%s: %.32s%s: %s\n",
146 gettext("Error parsing tnrhtp file"), errstr,
147 (strlen(errstr) > 32)? "...": "",
148 (char *)tsol_strerror(err, errno));
149 *error = B_TRUE;
150 }
151 _nss_XbyY_fgets(f, &arg);
152 tpstrp = (tsol_tpstr_t *)NSS_XbyY_FINI(&arg);
153 if (tpstrp == NULL) /* EOF */
154 return (NULL);
155 tpentp = tpstr_to_ent(tpstrp, &err, &errstr);
156 }
157 return (tpentp);
158 }
159
160 /*
161 * This is the callback routine for nss. It just wraps the tsol_sgettpent
162 * parser.
163 */
164 int
str_to_tpstr(const char * instr,int lenstr,void * entp,char * buffer,int buflen)165 str_to_tpstr(const char *instr, int lenstr, void *entp, char *buffer,
166 int buflen)
167 {
168 int len;
169 char *last = NULL;
170 char *sep = KV_TOKEN_DELIMIT;
171 tsol_tpstr_t *tpstrp = (tsol_tpstr_t *)entp;
172
173 if ((instr >= buffer && (buffer + buflen) > instr) ||
174 (buffer >= instr && (instr + lenstr) > buffer))
175 return (NSS_STR_PARSE_PARSE);
176 if (lenstr >= buflen)
177 return (NSS_STR_PARSE_ERANGE);
178 (void) strncpy(buffer, instr, buflen);
179 tpstrp->template = _strtok_escape(buffer, sep, &last);
180 tpstrp->attrs = _strtok_escape(NULL, sep, &last);
181 if (tpstrp->attrs != NULL) {
182 len = strlen(tpstrp->attrs);
183 if (tpstrp->attrs[len - 1] == '\n')
184 tpstrp->attrs[len - 1] = '\0';
185 }
186
187 #ifdef DEBUG
188 (void) fprintf(stdout,
189 "str_to_tpstr:\nstr - %s\n\ttemplate - %s\n\tattrs - %s\n",
190 instr, tpstrp->template ? tpstrp->template : "NULL",
191 tpstrp->attrs ? tpstrp->attrs : "NULL");
192 #endif /* DEBUG */
193
194 return (NSS_STR_PARSE_SUCCESS);
195 }
196