xref: /titanic_41/usr/src/cmd/svr4pkg/installf/dofinal.c (revision 62224350e5355e6834f7deb9d8a7d062a50cb7c2)
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 2009 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 <errno.h>
33 #include <string.h>
34 #include <limits.h>
35 #include <stdlib.h>
36 #include <unistd.h>
37 #include <sys/types.h>
38 #include <pkgstrct.h>
39 #include <locale.h>
40 #include <libintl.h>
41 #include <pkglib.h>
42 #include "install.h"
43 #include "libinst.h"
44 #include "libadm.h"
45 
46 extern struct cfextra **extlist;
47 extern struct cfent **eptlist;
48 
49 extern char	*pkginst;
50 
51 #define	ERR_WRITE	"write of intermediate contents file failed"
52 
53 static char *check_db_entry(VFP_T *, struct cfextra *, int, char *, int *);
54 
55 /*ARGSUSED*/
56 int
dofinal(PKGserver server,VFP_T * vfpo,int rmflag,char * myclass,char * prog)57 dofinal(PKGserver server, VFP_T *vfpo, int rmflag, char *myclass, char *prog)
58 {
59 	struct cfextra entry;
60 	int	n, indx, dbchg;
61 	char	*save_path = NULL;
62 
63 	entry.cf_ent.pinfo = NULL;
64 	entry.fsys_value = BADFSYS;
65 	entry.fsys_base = BADFSYS;
66 	indx = 0;
67 
68 	while (extlist && extlist[indx] && (extlist[indx]->cf_ent.ftype == 'i'))
69 		indx++;
70 
71 	dbchg = 0;
72 
73 	if (pkgopenfilter(server, pkginst) != 0)
74 		quit(99);
75 
76 	while (n = srchcfile(&(entry.cf_ent), "*", server)) {
77 		if (n < 0) {
78 			char	*errstr = getErrstr();
79 			progerr(gettext("bad entry read in contents file"));
80 			logerr(gettext("pathname=%s"),
81 			    (entry.cf_ent.path && *(entry.cf_ent.path)) ?
82 			    entry.cf_ent.path : "Unknown");
83 			logerr(gettext("problem=%s"),
84 			    (errstr && *errstr) ? errstr : "Unknown");
85 			quit(99);
86 		}
87 		save_path = check_db_entry(vfpo, &entry, rmflag, myclass,
88 		    &dbchg);
89 
90 		/* Restore original server-relative path, if needed */
91 		if (save_path != NULL) {
92 			entry.cf_ent.path = save_path;
93 			save_path = NULL;
94 		}
95 	}
96 
97 	pkgclosefilter(server);
98 
99 	return (dbchg);
100 }
101 
102 static char *
check_db_entry(VFP_T * vfpo,struct cfextra * entry,int rmflag,char * myclass,int * dbchg)103 check_db_entry(VFP_T *vfpo, struct cfextra *entry, int rmflag, char *myclass,
104 		int *dbchg)
105 {
106 	struct pinfo *pinfo;
107 	int	fs_entry;
108 	char	*save_path = NULL;
109 	char	*tp;
110 
111 	if (myclass && strcmp(myclass, entry->cf_ent.pkg_class)) {
112 		/*
113 		 * We already have it in the database we don't want
114 		 * to modify it.
115 		 */
116 		return (NULL);
117 	}
118 
119 	/*
120 	 * Now scan each package instance holding this file or
121 	 * directory and see if it matches the package we are
122 	 * updating here.
123 	 */
124 	pinfo = entry->cf_ent.pinfo;
125 	while (pinfo) {
126 		if (strcmp(pkginst, pinfo->pkg) == 0)
127 			break;
128 		pinfo = pinfo->next;
129 	}
130 
131 	/*
132 	 * If pinfo == NULL at this point, then this file or
133 	 * directory isn't part of the package of interest.
134 	 * So the code below executes only on files in the package
135 	 * of interest.
136 	 */
137 
138 	if (pinfo == NULL)
139 		return (NULL);
140 
141 	if (rmflag && (pinfo->status == RM_RDY)) {
142 		*dbchg = 1;
143 
144 		(void) eptstat(&(entry->cf_ent), pkginst, '@');
145 
146 		if (entry->cf_ent.npkgs) {
147 			if (putcvfpfile(&(entry->cf_ent), vfpo)) {
148 				progerr(gettext(ERR_WRITE));
149 				quit(99);
150 			}
151 		} else if (entry->cf_ent.path != NULL) {
152 			(void) vfpSetModified(vfpo);
153 			/* add "-<path>" to the file */
154 			vfpPutc(vfpo, '-');
155 			vfpPuts(vfpo, entry->cf_ent.path);
156 			vfpPutc(vfpo, '\n');
157 		}
158 		return (NULL);
159 
160 	} else if (!rmflag && (pinfo->status == INST_RDY)) {
161 		*dbchg = 1;
162 
163 		/* tp is the server-relative path */
164 		tp = fixpath(entry->cf_ent.path);
165 		/* save_path is the cmd line path */
166 		save_path = entry->cf_ent.path;
167 		/* entry has the server-relative path */
168 		entry->cf_ent.path = tp;
169 
170 		/*
171 		 * The next if statement figures out how
172 		 * the contents file entry should be
173 		 * annotated.
174 		 *
175 		 * Don't install or verify objects for
176 		 * remote, read-only filesystems.  We
177 		 * need only verify their presence and
178 		 * flag them appropriately from some
179 		 * server. Otherwise, ok to do final
180 		 * check.
181 		 */
182 		fs_entry = fsys(entry->cf_ent.path);
183 
184 		if (is_remote_fs_n(fs_entry) && !is_fs_writeable_n(fs_entry)) {
185 			/*
186 			 * Mark it shared whether it's present
187 			 * or not. life's too funny for me
188 			 * to explain.
189 			 */
190 			pinfo->status = SERVED_FILE;
191 
192 			/*
193 			 * restore for now. This may
194 			 * chg soon.
195 			 */
196 			entry->cf_ent.path = save_path;
197 		} else {
198 			/*
199 			 * If the object is accessible, check
200 			 * the new entry for existence and
201 			 * attributes. If there's a problem,
202 			 * mark it NOT_FND; otherwise,
203 			 * ENTRY_OK.
204 			 */
205 			if (is_mounted_n(fs_entry)) {
206 				int	n;
207 
208 				n = finalck((&entry->cf_ent), 1, 1, B_FALSE);
209 
210 				pinfo->status = ENTRY_OK;
211 				if (n != 0) {
212 					pinfo->status = NOT_FND;
213 				}
214 			}
215 
216 			/*
217 			 * It's not remote, read-only but it
218 			 * may look that way to the client.
219 			 * If it does, overwrite the above
220 			 * result - mark it shared.
221 			 */
222 			if (is_served_n(fs_entry))
223 				pinfo->status = SERVED_FILE;
224 
225 			/* restore original path */
226 			entry->cf_ent.path = save_path;
227 			/*   and clear save_path */
228 			save_path = NULL;
229 		}
230 	}
231 
232 	/* Output entry to contents file. */
233 	if (putcvfpfile(&(entry->cf_ent), vfpo)) {
234 		progerr(gettext(ERR_WRITE));
235 		quit(99);
236 	}
237 
238 	return (save_path);
239 }
240