xref: /titanic_41/usr/src/cmd/svr4pkg/libinst/setadmin.c (revision 5c51f1241dbbdf2656d0e10011981411ed0c9673)
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 /*
23  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
28 /* All Rights Reserved */
29 
30 
31 #include <stdio.h>
32 #include <limits.h>
33 #include <stdlib.h>
34 #include <unistd.h>
35 #include <string.h>
36 #include <errno.h>
37 #include <pkglocs.h>
38 #include <locale.h>
39 #include <libintl.h>
40 #include <pkglib.h>
41 #include <pkgerr.h>
42 #include <pkgweb.h>
43 #include <install.h>
44 #include <libinst.h>
45 #include <libadm.h>
46 #include <messages.h>
47 
48 #define	DEFMAIL	"root"
49 
50 extern struct admin	adm;		/* holds info about install admin */
51 extern int		warnflag;	/* != 0 non-fatal error occurred 2 */
52 
53 static struct {
54 	char	**memloc;
55 	char	*tag;
56 } admlist[] = {
57 	&adm.action,		"action",
58 	&adm.authentication,	"authentication",
59 	&adm.basedir,		"basedir",
60 	&adm.conflict,		"conflict",
61 	&adm.idepend,		"idepend",
62 	&adm.instance,		"instance",
63 	&adm.keystore,		"keystore",
64 	&adm.mail,		"mail",
65 	&adm.networkretries,	"networkretries",
66 	&adm.networktimeout,	"networktimeout",
67 	&adm.partial,		"partial",
68 	&adm.proxy,		"proxy",
69 	&adm.rdepend,		"rdepend",
70 	&adm.RSCRIPTALT,	RSCRIPTALT_KEYWORD,
71 	&adm.runlevel,		"runlevel",
72 	&adm.setuid,		"setuid",
73 	&adm.space,		"space",
74 	/* MUST BE LAST ENTRY IN LIST */
75 	(char **)NULL,		(char *)NULL
76 };
77 
78 /*
79  * Name:	setadminSetting
80  * Description:	set one administration parameter setting
81  * Arguments:	a_paramName - pointer to string representing the name of
82  *			the administration parameter to set
83  *		a_paramValue - pointer to string representing the value
84  *			to set the specified administration parameter to
85  * Returns:	char *
86  *			- old value the parameter had before being set
87  *			== NULL - the old paramter was not set
88  */
89 
90 char *
setadminSetting(char * a_paramName,char * a_paramValue)91 setadminSetting(char *a_paramName, char *a_paramValue)
92 {
93 	char	*oldValue = (char *)NULL;
94 	int	i;
95 
96 	/* locate and update the specified admin setting */
97 
98 	for (i = 0; admlist[i].memloc; i++) {
99 		if (strcmp(a_paramName, admlist[i].tag) == 0) {
100 			oldValue = *admlist[i].memloc;
101 			*admlist[i].memloc = a_paramValue;
102 			break;
103 		}
104 	}
105 
106 	if (admlist[i].memloc == (char **)NULL) {
107 		logerr(WRN_UNKNOWN_ADM_PARAM, a_paramName);
108 	}
109 
110 	return (oldValue);
111 }
112 
113 /*
114  * Name:	setadminFile
115  * Description:	read and remember settings from administration file
116  * Arguments:	file - pointer to string representing the path to the
117  *			administration file to read - if this is NULL
118  *			then the name "default" is used - if this is
119  *			the string "none" then the admin "basedir"
120  *			setting is set to "ask" so that the location
121  *			of the administration file will be interactively
122  *			asked at the appropriate time
123  * Returns:	void
124  */
125 
126 void
setadminFile(char * file)127 setadminFile(char *file)
128 {
129 	FILE	*fp;
130 	int	i;
131 	char	param[MAX_PKG_PARAM_LENGTH];
132 	char	*value;
133 	char	path[PATH_MAX];
134 	int	mail = 0;
135 
136 	if (file == NULL)
137 		file = "default";
138 	else if (strcmp(file, "none") == 0) {
139 		adm.basedir = "ask";
140 		return;
141 	}
142 
143 	if (file[0] == '/')
144 		(void) strcpy(path, file);
145 	else {
146 		(void) snprintf(path, sizeof (path), "%s/admin/%s",
147 				get_PKGADM(), file);
148 		if (access(path, R_OK)) {
149 			(void) snprintf(path, sizeof (path), "%s/admin/%s",
150 				PKGADM, file);
151 		}
152 	}
153 
154 	if ((fp = fopen(path, "r")) == NULL) {
155 		progerr(ERR_OPEN_ADMIN_FILE, file, strerror(errno));
156 		quit(99);
157 	}
158 
159 	param[0] = '\0';
160 	while (value = fpkgparam(fp, param)) {
161 		if (strcmp(param, "mail") == 0) {
162 			mail = 1;
163 		}
164 		if (value[0] == '\0') {
165 			param[0] = '\0';
166 			continue; /* same as not being set at all */
167 		}
168 		for (i = 0; admlist[i].memloc; i++) {
169 			if (strcmp(param, admlist[i].tag) == 0) {
170 				*admlist[i].memloc = value;
171 				break;
172 			}
173 		}
174 		if (admlist[i].memloc == NULL) {
175 			logerr(WRN_UNKNOWN_ADM_PARAM, param);
176 			free(value);
177 		}
178 		param[0] = '\0';
179 	}
180 
181 	(void) fclose(fp);
182 
183 	if (!mail) {
184 		adm.mail = DEFMAIL; 	/* if we don't assign anything to it */
185 	}
186 }
187 
188 
189 /*
190  * Function:	web_ck_retries
191  * Description:	Reads admin file setting for networkretries, or uses default
192  * Parameters:	None
193  * Returns:	admin file setting for networkretries, or the default if no
194  *		admin file setting exists or if it is outside the
195  *		allowable range.
196  */
197 int
web_ck_retries(void)198 web_ck_retries(void)
199 {
200 	int retries = NET_RETRIES_DEFAULT;
201 
202 	if (ADMSET(networkretries)) {
203 		/* Make sure value is within valid range */
204 		if ((retries = atoi(adm.networkretries)) == 0) {
205 			return (NET_RETRIES_DEFAULT);
206 		} else if (retries <= NET_RETRIES_MIN ||
207 			retries > NET_RETRIES_MAX) {
208 			return (NET_RETRIES_DEFAULT);
209 		}
210 	}
211 	return (retries);
212 }
213 
214 /*
215  * Function:	web_ck_authentication
216  * Description:	Retrieves admin file setting for authentication
217  * Parameters:	None
218  * Returns:	admin file policy for authentication - AUTH_QUIT
219  *		or AUTH_NOCHECK.
220  *		non-zero failure
221  */
222 int
web_ck_authentication(void)223 web_ck_authentication(void)
224 {
225 	if (ADM(authentication, "nocheck"))
226 		return (AUTH_NOCHECK);
227 
228 	return (AUTH_QUIT);
229 }
230 
231 /*
232  * Function:	web_ck_timeout
233  * Description:	Retrieves admin file policy for networktimeout's
234  * Parameters:	NONE
235  * Returns:	Admin file setting for networktimeout, or default
236  *		timeout value if admin file does not specify one,
237  *		or specifies one that is out of the allowable range.
238  */
239 int
web_ck_timeout(void)240 web_ck_timeout(void)
241 {
242 	int timeout = NET_TIMEOUT_DEFAULT;
243 
244 	if (ADMSET(networktimeout)) {
245 		/* Make sure value is within valid range */
246 		if ((timeout = atoi(adm.networktimeout)) == 0) {
247 			return (NET_TIMEOUT_DEFAULT);
248 		} else if (timeout <= NET_TIMEOUT_MIN ||
249 			timeout > NET_TIMEOUT_MAX) {
250 			return (NET_TIMEOUT_DEFAULT);
251 		}
252 	}
253 	return (timeout);
254 }
255 
256 /*
257  * Function:	check_keystore_admin
258  * Description:	Retrieves security keystore setting from admin file,
259  *		or validates user-supplied keystore policy.
260  * Parameters:	keystore - Where to store resulting keystore policy
261  * Returns:	B_TRUE - admin file contained valid keystore, or
262  *		user-supplied keystore passed in "keystore" was
263  *		valid.  Resulting keystore stored in "keystore"
264  *
265  *		B_FALSE - No location supplied to store result,
266  *		or user-supplied keystore was not valid.
267  */
268 boolean_t
check_keystore_admin(char ** keystore)269 check_keystore_admin(char **keystore)
270 {
271 
272 	if (!keystore) {
273 		/* no location to store keystore */
274 		return (B_FALSE);
275 	}
276 
277 	if (*keystore != NULL) {
278 	    if (!path_valid(*keystore)) {
279 		    /* the given keystore is invalid */
280 		    return (B_FALSE);
281 	    }
282 
283 	    /* the user-supplied keystore was valid */
284 	    return (B_TRUE);
285 	}
286 
287 	/* no user-supplied, so use default */
288 	if ((*keystore = set_keystore_admin()) == NULL) {
289 		*keystore = PKGSEC;
290 	}
291 	return (B_TRUE);
292 }
293 
294 /*
295  * Function:	get_proxy_port_admin
296  * Description:	Retrieves proxy setting from admin file
297  * Parameters:	proxy - where to store resulting proxy (host:port or URL)
298  *		port - Where to store resulting proxy port
299  * Returns:	B_TRUE - admin file had a valid proxy setting,
300  *		and it is stored in "proxy".
301  *		B_FALSE - no proxy setting in admin file, or
302  *		invalid setting in admin file.
303  */
304 boolean_t
get_proxy_port_admin(char ** proxy,ushort_t * port)305 get_proxy_port_admin(char **proxy, ushort_t *port)
306 {
307 	if (ADMSET(proxy) && !path_valid(adm.proxy)) {
308 		/* admin file has bad keystore */
309 		return (B_FALSE);
310 	} else if (ADMSET(proxy)) {
311 		*proxy = strdup(adm.proxy);
312 		*port = strip_port(adm.proxy);
313 	}
314 	return (B_TRUE);
315 }
316 
317 /*
318  * Function:	set_keystore_admin
319  * Description:	Retrieves security keystore setting from admin file,
320  * Parameters:	NONE
321  * Returns:	Keystore file policy from admin file, if set
322  *		and valid.  NULL otherwise.
323  */
324 char *
set_keystore_admin(void)325 set_keystore_admin(void)
326 {
327 	if (ADMSET(keystore) && !path_valid(adm.keystore)) {
328 		return (NULL);
329 	}
330 
331 	if (!ADMSET(keystore)) {
332 		return (NULL);
333 	}
334 
335 	return (adm.keystore);
336 }
337