xref: /onnv-gate/usr/src/lib/libnisdb/yptol/yptol_utils.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
28*0Sstevel@tonic-gate 
29*0Sstevel@tonic-gate /*
30*0Sstevel@tonic-gate  * DESCRIPTION: Contains helper functions for N2L
31*0Sstevel@tonic-gate  */
32*0Sstevel@tonic-gate 
33*0Sstevel@tonic-gate /*
34*0Sstevel@tonic-gate  * Includes. WE WANT TO USE REAL DBM FUNCTIONS SO DO NOT INCLUDE SHIM_HOOKS.H.
35*0Sstevel@tonic-gate  */
36*0Sstevel@tonic-gate #include <unistd.h>
37*0Sstevel@tonic-gate #include <syslog.h>
38*0Sstevel@tonic-gate #include <ndbm.h>
39*0Sstevel@tonic-gate #include <sys/systeminfo.h>
40*0Sstevel@tonic-gate #include <errno.h>
41*0Sstevel@tonic-gate #include <strings.h>
42*0Sstevel@tonic-gate #include "ypsym.h"
43*0Sstevel@tonic-gate #include "ypdefs.h"
44*0Sstevel@tonic-gate #include "shim.h"
45*0Sstevel@tonic-gate #include "yptol.h"
46*0Sstevel@tonic-gate #include "stdio.h"
47*0Sstevel@tonic-gate #include "../ldap_util.h"
48*0Sstevel@tonic-gate 
49*0Sstevel@tonic-gate /* Enable standard YP code features defined in ypdefs.h */
50*0Sstevel@tonic-gate USE_YP_PREFIX
51*0Sstevel@tonic-gate USE_YP_MASTER_NAME
52*0Sstevel@tonic-gate USE_YP_LAST_MODIFIED
53*0Sstevel@tonic-gate USE_YP_INPUT_FILE
54*0Sstevel@tonic-gate USE_YP_OUTPUT_NAME
55*0Sstevel@tonic-gate USE_YP_DOMAIN_NAME
56*0Sstevel@tonic-gate USE_YP_SECURE
57*0Sstevel@tonic-gate USE_YP_INTERDOMAIN
58*0Sstevel@tonic-gate USE_DBM
59*0Sstevel@tonic-gate 
60*0Sstevel@tonic-gate /*
61*0Sstevel@tonic-gate  * FUNCTION :	alloc_temp_names()
62*0Sstevel@tonic-gate  *
63*0Sstevel@tonic-gate  * DESCRIPTION:	Creates the set of temporary names for update files. It is
64*0Sstevel@tonic-gate  *		the caller responsibility to free these.
65*0Sstevel@tonic-gate  *
66*0Sstevel@tonic-gate  * GIVEN :	Name of map (fully qualified)
67*0Sstevel@tonic-gate  *
68*0Sstevel@tonic-gate  * RETURNS :	SUCCESS with all names allocated.
69*0Sstevel@tonic-gate  *		FAILURE with no names allocated.
70*0Sstevel@tonic-gate  */
71*0Sstevel@tonic-gate suc_code
alloc_temp_names(char * name,char ** temp_entries,char ** temp_ttl)72*0Sstevel@tonic-gate alloc_temp_names(char *name, char **temp_entries, char **temp_ttl)
73*0Sstevel@tonic-gate {
74*0Sstevel@tonic-gate 	char *myself = "alloc_temp_names";
75*0Sstevel@tonic-gate 
76*0Sstevel@tonic-gate 	*temp_entries = (char *)am(myself, strlen(name) +
77*0Sstevel@tonic-gate 						strlen(TEMP_POSTFIX) + 1);
78*0Sstevel@tonic-gate 	if (NULL == *temp_entries) {
79*0Sstevel@tonic-gate 		return (FAILURE);
80*0Sstevel@tonic-gate 	}
81*0Sstevel@tonic-gate 
82*0Sstevel@tonic-gate 	*temp_ttl = (char *)am(myself, strlen(TEMP_POSTFIX) + strlen(name) +
83*0Sstevel@tonic-gate 						strlen(TTL_POSTFIX) + 1);
84*0Sstevel@tonic-gate 	if (NULL == *temp_ttl) {
85*0Sstevel@tonic-gate 		sfree(*temp_entries);
86*0Sstevel@tonic-gate 		return (FAILURE);
87*0Sstevel@tonic-gate 	}
88*0Sstevel@tonic-gate 
89*0Sstevel@tonic-gate 	strcpy(*temp_entries, name);
90*0Sstevel@tonic-gate 	strcat(*temp_entries, TEMP_POSTFIX);
91*0Sstevel@tonic-gate 
92*0Sstevel@tonic-gate 	strcpy(*temp_ttl, name);
93*0Sstevel@tonic-gate 	strcat(*temp_ttl, TTL_POSTFIX);
94*0Sstevel@tonic-gate 	strcat(*temp_ttl, TEMP_POSTFIX);
95*0Sstevel@tonic-gate 
96*0Sstevel@tonic-gate 	return (SUCCESS);
97*0Sstevel@tonic-gate }
98*0Sstevel@tonic-gate 
99*0Sstevel@tonic-gate /*
100*0Sstevel@tonic-gate  * FUNCTION :	addpair()
101*0Sstevel@tonic-gate  *
102*0Sstevel@tonic-gate  * DESCRIPTION:	Adds a single string entry to a dbm database. This is a copy of
103*0Sstevel@tonic-gate  *		a function from makedbm but is useful enough to be put into
104*0Sstevel@tonic-gate  *		shared code.
105*0Sstevel@tonic-gate  *
106*0Sstevel@tonic-gate  * GIVEN:	Database handle
107*0Sstevel@tonic-gate  *		Key
108*0Sstevel@tonic-gate  *		Value
109*0Sstevel@tonic-gate  *
110*0Sstevel@tonic-gate  * RETURNS :	SUCCESS = Value written
111*0Sstevel@tonic-gate  *		FAILURE = Value not written.
112*0Sstevel@tonic-gate  */
113*0Sstevel@tonic-gate suc_code
addpair(DBM * fdb,char * str1,char * str2)114*0Sstevel@tonic-gate addpair(DBM *fdb, char *str1, char *str2)
115*0Sstevel@tonic-gate {
116*0Sstevel@tonic-gate 	datum key;
117*0Sstevel@tonic-gate 	datum content;
118*0Sstevel@tonic-gate 
119*0Sstevel@tonic-gate 	key.dptr = str1;
120*0Sstevel@tonic-gate 	key.dsize = strlen(str1);
121*0Sstevel@tonic-gate 	content.dptr  = str2;
122*0Sstevel@tonic-gate 	content.dsize = strlen(str2);
123*0Sstevel@tonic-gate 	errno = 0;
124*0Sstevel@tonic-gate 	if (dbm_store(fdb, key, content, DBM_REPLACE) != 0) {
125*0Sstevel@tonic-gate 		logmsg(MSG_NOTIMECHECK, LOG_ERR, "Problem storing %.*s %.*s "
126*0Sstevel@tonic-gate 					"(errno=%d)",
127*0Sstevel@tonic-gate 					key.dptr, content.dptr, errno);
128*0Sstevel@tonic-gate 		return (FAILURE);
129*0Sstevel@tonic-gate 	}
130*0Sstevel@tonic-gate 	return (SUCCESS);
131*0Sstevel@tonic-gate }
132*0Sstevel@tonic-gate 
133*0Sstevel@tonic-gate /*
134*0Sstevel@tonic-gate  * FUNCTION :	dump_datum()
135*0Sstevel@tonic-gate  *
136*0Sstevel@tonic-gate  * DESCRIPTION:	Prints out a datum as a text string with no line feed.
137*0Sstevel@tonic-gate  */
138*0Sstevel@tonic-gate void
dump_datum(datum * dat)139*0Sstevel@tonic-gate dump_datum(datum *dat)
140*0Sstevel@tonic-gate {
141*0Sstevel@tonic-gate 	int	i;
142*0Sstevel@tonic-gate 
143*0Sstevel@tonic-gate 	if (NULL == dat) {
144*0Sstevel@tonic-gate 		printf("NULL datum");
145*0Sstevel@tonic-gate 		return;
146*0Sstevel@tonic-gate 	}
147*0Sstevel@tonic-gate 
148*0Sstevel@tonic-gate 	if (NULL == dat->dptr) {
149*0Sstevel@tonic-gate 		printf("NULL dptr");
150*0Sstevel@tonic-gate 		return;
151*0Sstevel@tonic-gate 	}
152*0Sstevel@tonic-gate 	for (i = 0; i < dat->dsize; i++)
153*0Sstevel@tonic-gate 		putchar(dat->dptr[i]);
154*0Sstevel@tonic-gate }
155*0Sstevel@tonic-gate 
156*0Sstevel@tonic-gate /*
157*0Sstevel@tonic-gate  * FUNCTION :	update_timestamp()
158*0Sstevel@tonic-gate  *
159*0Sstevel@tonic-gate  * DESCRIPTION:	Adds, or updates, a maps last modified timestamp.
160*0Sstevel@tonic-gate  *
161*0Sstevel@tonic-gate  * GIVEN :	Pointer to an open DBM file.
162*0Sstevel@tonic-gate  *
163*0Sstevel@tonic-gate  * RETURNS :	SUCCESS = Entry created
164*0Sstevel@tonic-gate  *		FAILURE = Entry not created
165*0Sstevel@tonic-gate  */
166*0Sstevel@tonic-gate suc_code
update_timestamp(DBM * db)167*0Sstevel@tonic-gate update_timestamp(DBM *db)
168*0Sstevel@tonic-gate {
169*0Sstevel@tonic-gate 	char time_string[MAX_ASCII_ORDER_NUMBER_LENGTH];
170*0Sstevel@tonic-gate 	struct timeval	now;
171*0Sstevel@tonic-gate 
172*0Sstevel@tonic-gate 	if (0 != gettimeofday(&now, NULL)) {
173*0Sstevel@tonic-gate 		logmsg(MSG_NOTIMECHECK, LOG_ERR, "Could not get time of day");
174*0Sstevel@tonic-gate 		return (FAILURE);
175*0Sstevel@tonic-gate 	}
176*0Sstevel@tonic-gate 	sprintf(time_string, "%010ld", (long)now.tv_sec);
177*0Sstevel@tonic-gate 	if (SUCCESS != addpair(db, yp_last_modified, time_string))
178*0Sstevel@tonic-gate 		return (FAILURE);
179*0Sstevel@tonic-gate 
180*0Sstevel@tonic-gate 	return (SUCCESS);
181*0Sstevel@tonic-gate }
182