Annotation of src/distrib/utils/sysinst/upgrade.c, Revision 1.15
1.15 ! mrg 1: /* $NetBSD: upgrade.c,v 1.14 1998/02/20 00:37:17 jonathan Exp $ */
1.1 phil 2:
3: /*
4: * Copyright 1997 Piermont Information Systems Inc.
5: * All rights reserved.
6: *
7: * Written by Philip A. Nelson for Piermont Information Systems Inc.
8: *
9: * Redistribution and use in source and binary forms, with or without
10: * modification, are permitted provided that the following conditions
11: * are met:
12: * 1. Redistributions of source code must retain the above copyright
13: * notice, this list of conditions and the following disclaimer.
14: * 2. Redistributions in binary form must reproduce the above copyright
15: * notice, this list of conditions and the following disclaimer in the
16: * documentation and/or other materials provided with the distribution.
17: * 3. All advertising materials mentioning features or use of this software
18: * must display the following acknowledgement:
19: * This product includes software develooped for the NetBSD Project by
20: * Piermont Information Systems Inc.
21: * 4. The name of Piermont Information Systems Inc. may not be used to endorse
22: * or promote products derived from this software without specific prior
23: * written permission.
24: *
25: * THIS SOFTWARE IS PROVIDED BY PIERMONT INFORMATION SYSTEMS INC. ``AS IS''
26: * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28: * ARE DISCLAIMED. IN NO EVENT SHALL PIERMONT INFORMATION SYSTEMS INC. BE
29: * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
35: * THE POSSIBILITY OF SUCH DAMAGE.
36: *
37: */
38:
39: /* upgrade.c -- upgrade an installation. */
40:
41: #include <stdio.h>
42: #include <curses.h>
1.9 jonathan 43: #include <errno.h>
1.1 phil 44: #include "defs.h"
45: #include "msg_defs.h"
46: #include "menu_defs.h"
47:
1.9 jonathan 48: /*
49: * local prototypes
50: */
1.10 jonathan 51: void check_prereqs __P((void));
52: int save_etc __P((void));
53: int merge_etc __P((void));
1.9 jonathan 54:
1.15 ! mrg 55: /*
! 56: * Do the system upgrade.
! 57: */
! 58: void
! 59: do_upgrade()
1.1 phil 60: {
61:
1.15 ! mrg 62: doingwhat = msg_string(MSG_upgrade);
! 63:
! 64: msg_display(MSG_upgradeusure);
! 65: process_menu(MENU_noyes);
1.1 phil 66: if (!yesno)
67: return;
68:
1.15 ! mrg 69: get_ramsize();
1.2 phil 70:
1.15 ! mrg 71: if (find_disks() < 0)
1.2 phil 72: return;
1.11 jonathan 73:
74: /* if we need the user to mount root, ask them to. */
75: if (must_mount_root()) {
76: msg_display(MSG_pleasemountroot, diskdev, diskdev, diskdev);
1.15 ! mrg 77: process_menu(MENU_ok);
1.11 jonathan 78: return;
79: }
1.2 phil 80:
81: if (!fsck_disks())
1.1 phil 82: return;
1.5 phil 83:
1.14 jonathan 84: /*
85: * Move target /etc -> target /etc.old so existing configuration
86: * isn't overwritten by upgrade.
87: */
1.9 jonathan 88: if (save_etc())
89: return;
90:
1.1 phil 91:
1.3 phil 92: /* Do any md updating of the file systems ... e.g. bootblocks,
93: copy file systems ... */
1.15 ! mrg 94: if (!md_update())
1.2 phil 95: return;
1.8 jonathan 96:
97: /* Done with disks. Ready to get and unpack tarballs. */
1.9 jonathan 98: msg_display(MSG_disksetupdone);
1.15 ! mrg 99: process_menu(MENU_ok);
1.1 phil 100:
1.6 jonathan 101: get_and_unpack_sets(MSG_upgrcomplete, MSG_abortupgr);
1.9 jonathan 102:
1.14 jonathan 103: /* Copy back any files we should restore after the upgrade.*/
1.10 jonathan 104: merge_etc();
105:
1.9 jonathan 106: sanity_check();
107: }
108:
109: /*
110: * save target /etc files.
111: * if target /etc.old exists, print a warning message and give up.
112: * otherwise move /etc into target /etc.old, and then copy
113: * back files we might want during the installation -- in case
114: * we are upgrading the target root.
115: */
1.15 ! mrg 116: int
! 117: save_etc()
1.9 jonathan 118: {
119:
1.12 jonathan 120: if (target_dir_exists_p("/etc.old")) {
1.9 jonathan 121: msg_display(MSG_etc_oldexists);
1.15 ! mrg 122: process_menu(MENU_ok);
1.9 jonathan 123: return EEXIST;
124: }
125:
126: #ifdef DEBUG
127: printf("saving /etc as /etc.old...");
128: #endif
129:
1.14 jonathan 130: /* Move target /etc to /etc.old. Abort on error. */
1.15 ! mrg 131: mv_within_target_or_die("/etc", "/etc.old");
1.9 jonathan 132:
1.14 jonathan 133: /* now make an /etc that should let the user reboot. */
1.9 jonathan 134: make_target_dir("/etc");
135:
136: #ifdef DEBUG
137: printf("Copying essential files back into new /etc...");
138: #endif
139: /* essential stuff */
140: cp_within_target("/etc.old/ld.so.cache", "/etc/");
141: cp_within_target("/etc.old/ld.so.conf", "/etc/");
142: cp_within_target("/etc.old/resolv.conf", "/etc/");
143:
144: /*
145: * do NOT create fstab so that restarting an incomplete
146: * upgrade (eg., after power failure) will fail, and
147: * force the user to check and restore their old /etc.
148: */
149:
150: /* general config */
151: cp_within_target("/etc.old/rc", "/etc/");
152: cp_within_target("/etc.old/rc.conf", "/etc/");
153: cp_within_target("/etc.old/rc.local", "/etc/");
154:
155: /* network config */
156: cp_within_target("/etc.old/ifconfig.*", "/etc/");
157: cp_within_target("/etc.old/myname", "/etc/");
158: cp_within_target("/etc.old/mygate", "/etc/");
159: cp_within_target("/etc.old/defaultdomain", "/etc/");
160:
161: /* old-style network config */
162: cp_within_target("/etc.old/hostname.*", "/etc/");
163:
164: return 0;
1.10 jonathan 165: }
166:
167: /*
168: * Merge back saved target /etc files after unpacking the new
169: * sets has completed.
170: */
1.15 ! mrg 171: int
! 172: merge_etc()
1.10 jonathan 173: {
1.15 ! mrg 174:
1.10 jonathan 175: /* just move back fstab, so we can boot cleanly. */
176: cp_within_target("/etc.old/fstab", "/etc/");
177:
178: return 0;
1.12 jonathan 179: }
180:
181: /*
182: * Unpacks sets, clobbering existintg contents.
183: */
184: void
1.15 ! mrg 185: do_reinstall_sets()
1.12 jonathan 186: {
187:
188: unwind_mounts();
1.15 ! mrg 189: msg_display(MSG_reinstallusure);
! 190: process_menu(MENU_noyes);
1.12 jonathan 191: if (!yesno)
192: return;
193:
1.15 ! mrg 194: if (find_disks() < 0)
1.12 jonathan 195: return;
196:
197: /* if we need the user to mount root, ask them to. */
198: if (must_mount_root()) {
199: msg_display(MSG_pleasemountroot, diskdev, diskdev, diskdev);
1.15 ! mrg 200: process_menu(MENU_ok);
1.12 jonathan 201: return;
202: }
203:
204: if (!fsck_disks())
205: return;
1.13 fvdl 206:
1.15 ! mrg 207: fflush(stdout);
! 208: puts(CL);
! 209: wrefresh(stdscr);
1.12 jonathan 210:
211: /* Unpack the distribution. */
212: get_and_unpack_sets(MSG_unpackcomplete, MSG_abortunpack);
213:
214: sanity_check();
215:
1.1 phil 216: }
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