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 /*
23  * Copyright (c) 1999-2000 by Sun Microsystems, Inc.
24  * All rights reserved.
25  */
26 
27 /*
28  * This plugin creates the PICL nodes and properties specified in
29  * configuration file.
30  * It is used to create the FRU tree for a platform.
31  * The configuration file for FRU tree is called "piclfrutree.conf".
32  */
33 
34 
35 #include <stdio.h>
36 #include <fcntl.h>
37 #include <unistd.h>
38 #include <stdlib.h>
39 #include <errno.h>
40 #include <string.h>
41 #include <syslog.h>
42 #include <alloca.h>
43 #include <limits.h>
44 #include <sys/utsname.h>
45 #include <sys/systeminfo.h>
46 #include <sys/stat.h>
47 #include <libintl.h>
48 #include <picl.h>
49 #include <picltree.h>
50 #include "picld_pluginutil.h"
51 
52 #define	EM_FAIL	gettext("SUNW_piclfrutree PICL plugin module failed")
53 
54 static	void	piclfrutree_register(void);
55 static	void	piclfrutree_init(void);
56 static	void	piclfrutree_fini(void);
57 
58 #define	FRUTREE_CONFFILE_NAME		"piclfrutree.conf"
59 
60 #pragma	init(piclfrutree_register)
61 
62 static picld_plugin_reg_t  my_reg_info = {
63 	PICLD_PLUGIN_VERSION_1,
64 	PICLD_PLUGIN_NON_CRITICAL,
65 	"SUNW_piclfrutree",
66 	piclfrutree_init,
67 	piclfrutree_fini
68 };
69 
70 static void
piclfrutree_register(void)71 piclfrutree_register(void)
72 {
73 	(void) picld_plugin_register(&my_reg_info);
74 }
75 
76 /*
77  * Search for the frutree config file from the platform specific
78  * directory to the common directory.
79  *
80  * The size of outfilename must be PATH_MAX
81  */
82 static int
get_config_file(char * outfilename)83 get_config_file(char *outfilename)
84 {
85 	char	nmbuf[SYS_NMLN];
86 	char	pname[PATH_MAX];
87 
88 	if (sysinfo(SI_PLATFORM, nmbuf, sizeof (nmbuf)) != -1) {
89 		(void) snprintf(pname, PATH_MAX, PICLD_PLAT_PLUGIN_DIRF, nmbuf);
90 		(void) strlcat(pname, FRUTREE_CONFFILE_NAME, PATH_MAX);
91 		if (access(pname, R_OK) == 0) {
92 			(void) strlcpy(outfilename, pname, PATH_MAX);
93 			return (0);
94 		}
95 	}
96 
97 	if (sysinfo(SI_MACHINE, nmbuf, sizeof (nmbuf)) != -1) {
98 		(void) snprintf(pname, PATH_MAX, PICLD_PLAT_PLUGIN_DIRF, nmbuf);
99 		(void) strlcat(pname, FRUTREE_CONFFILE_NAME, PATH_MAX);
100 		if (access(pname, R_OK) == 0) {
101 			(void) strlcpy(outfilename, pname, PATH_MAX);
102 			return (0);
103 		}
104 	}
105 
106 	(void) snprintf(pname, PATH_MAX, "%s/%s", PICLD_COMMON_PLUGIN_DIR,
107 	    FRUTREE_CONFFILE_NAME);
108 
109 	if (access(pname, R_OK) == 0) {
110 		(void) strlcpy(outfilename, pname, PATH_MAX);
111 		return (0);
112 	}
113 
114 	return (-1);
115 }
116 
117 static void
piclfrutree_init(void)118 piclfrutree_init(void)
119 {
120 	char		fullfilename[PATH_MAX];
121 	picl_nodehdl_t	rooth;
122 
123 	if (get_config_file(fullfilename) < 0)
124 		return;
125 
126 	if (ptree_get_root(&rooth) != PICL_SUCCESS)
127 		return;
128 
129 	if (picld_pluginutil_parse_config_file(rooth, fullfilename) !=
130 	    PICL_SUCCESS)
131 		syslog(LOG_ERR, EM_FAIL);
132 }
133 
134 static void
piclfrutree_fini(void)135 piclfrutree_fini(void)
136 {
137 }
138