Annotation of src/distrib/utils/sysinst/net.c, Revision 1.24
1.24 ! jonathan 1: /* $NetBSD: net.c,v 1.23 1997/11/25 06:53:11 thorpej 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: /* net.c -- routines to fetch files off the network. */
40:
41: #include <stdio.h>
42: #include <stdlib.h>
43: #include <string.h>
44: #include <curses.h>
45: #include <unistd.h>
1.21 simonb 46: #include <sys/param.h>
1.1 phil 47: #include "defs.h"
48: #include "md.h"
49: #include "msg_defs.h"
50: #include "menu_defs.h"
51: #include "txtwalk.h"
52:
1.10 phil 53: static int network_up = 0;
1.8 phil 54:
1.9 phil 55: /* Get the list of network interfaces. */
56:
1.1 phil 57: static void get_ifconfig_info (void)
58: {
59: char *textbuf;
60: int textsize;
1.4 phil 61: char *t;
1.1 phil 62:
63: /* Get ifconfig information */
64:
65: textsize = collect (T_OUTPUT, &textbuf,
1.3 phil 66: "/sbin/ifconfig -l 2>/dev/null");
1.1 phil 67: if (textsize < 0) {
68: endwin();
69: (void) fprintf (stderr, "Could not run ifconfig.");
70: exit (1);
71: }
1.3 phil 72: (void) strtok(textbuf,"\n");
73: strncpy (net_devices, textbuf, textsize<STRSIZE ? textsize : STRSIZE);
74: net_devices[STRSIZE] = 0;
1.1 phil 75: free (textbuf);
1.4 phil 76:
77: /* Remove lo0 and anything after ... */
78: t = strstr (net_devices, "lo0");
79: if (t != NULL)
80: *t = 0;
1.1 phil 81: }
82:
1.21 simonb 83: /* Fill in defaults network values for the selected interface */
84:
85: static void get_ifinterface_info(void)
86: {
87: char *textbuf;
88: int textsize;
89: char *t;
90: char hostname[MAXHOSTNAMELEN];
91:
92: /* First look to see if the selected interface is already configured. */
93: textsize = collect(T_OUTPUT, &textbuf, "/sbin/ifconfig %s 2>/dev/null",
94: net_dev);
95: if (textsize >= 0) {
96: (void)strtok(textbuf, " \t\n"); /* ignore interface name */
97: while ((t = strtok(NULL, " \t\n")) != NULL) {
98: if (strcmp(t, "inet") == 0) {
99: t = strtok(NULL, " \t\n");
100: if (strcmp(t, "0.0.0.0") != 0)
101: strcpy(net_ip, t);
102: }
103: else if (strcmp(t, "netmask") == 0) {
104: t = strtok(NULL, " \t\n");
105: if (strcmp(t, "0x0") != 0)
106: strcpy(net_mask, t);
107: }
108: }
109: }
110:
111: /* Check host (and domain?) name */
112: if (gethostname(hostname, sizeof(hostname)) == 0)
113: strncpy(net_host, hostname, sizeof(net_host));
114: }
115:
1.9 phil 116: /* Get the information to configure the network, configure it and
117: make sure both the gateway and the name server are up. */
1.1 phil 118:
1.9 phil 119: int config_network (void)
1.1 phil 120: { char *tp;
121: char defname[255];
122: int octet0;
123: int pass;
124:
125: FILE *f;
1.12 jonathan 126: time_t now;
1.1 phil 127:
1.8 phil 128: if (network_up)
129: return 1;
130:
1.20 simonb 131: network_up = 1;
1.1 phil 132: net_devices[0] = '\0';
133: get_ifconfig_info ();
1.19 simonb 134: if (strlen(net_devices) == 0) {
135: /* No network interfaces found! */
136: msg_display (MSG_nonet);
137: process_menu (MENU_ok);
138: return -1;
139: }
1.1 phil 140: strncpy (defname, net_devices, 255);
141: tp = defname;
142: strsep(&tp, " ");
143: msg_prompt (MSG_asknetdev, defname, net_dev, 255, net_devices);
144: tp = net_dev;
145: strsep(&tp, " ");
146: net_dev[strlen(net_dev)+1] = 0;
147: net_dev[strlen(net_dev)] = ' ';
148: while ((strlen(net_dev) != 4 && strlen(net_dev) != 5) ||
149: strstr(net_devices, net_dev) == NULL) {
150: msg_prompt (MSG_badnet, defname, net_dev, 10,
151: net_devices);
152: tp = net_dev;
153: strsep(&tp, " ");
154: net_dev[strlen(net_dev)+1] = 0;
155: net_dev[strlen(net_dev)] = ' ';
156: }
157:
158: /* Remove that space we added. */
159: net_dev[strlen(net_dev)-1] = 0;
1.21 simonb 160:
161: /* Preload any defaults we can find */
162: get_ifinterface_info ();
163: pass = strlen(net_mask) == 0 ? 0 : 1;
1.1 phil 164:
165: /* Get other net information */
166: msg_display (MSG_netinfo);
167: do {
168: msg_prompt_add (MSG_net_domain, net_domain, net_domain,
169: STRSIZE);
170: msg_prompt_add (MSG_net_host, net_host, net_host, STRSIZE);
171: msg_prompt_add (MSG_net_ip, net_ip, net_ip, STRSIZE);
172: octet0 = atoi(net_ip);
173: if (!pass) {
174: if (0 <= octet0 && octet0 <= 127)
175: strcpy (net_mask, "0xff000000");
176: else if (127 <= octet0 && octet0 <= 191)
177: strcpy (net_mask, "0xffff0000");
178: else if (192 <= octet0 && octet0 <= 223)
179: strcpy (net_mask, "0xffff0000");
180: }
181: msg_prompt_add (MSG_net_mask, net_mask, net_mask, STRSIZE);
1.8 phil 182: msg_prompt_add (MSG_net_defroute, net_defroute, net_defroute,
183: STRSIZE);
1.1 phil 184: msg_prompt_add (MSG_net_namesrv, net_namesvr, net_namesvr,
185: STRSIZE);
186:
1.20 simonb 187: msg_display (MSG_netok, net_domain, net_host, net_ip, net_mask,
188: *net_namesvr == '\0' ? "<none>" : net_namesvr,
189: *net_defroute == '\0' ? "<none>" : net_defroute);
1.1 phil 190: process_menu (MENU_yesno);
191: if (!yesno)
192: msg_display (MSG_netagain);
193: pass++;
194: } while (!yesno);
195:
1.20 simonb 196: /* Create /etc/resolv.conf if a nameserver was given */
197: if (strcmp(net_namesvr, "") != 0) {
1.1 phil 198: #ifdef DEBUG
1.20 simonb 199: f = fopen ("/tmp/resolv.conf", "w");
1.1 phil 200: #else
1.20 simonb 201: f = fopen ("/etc/resolv.conf", "w");
1.1 phil 202: #endif
1.20 simonb 203: if (f == NULL) {
204: endwin();
205: (void)fprintf(stderr, "%s", msg_string(MSG_resolv));
206: exit(1);
207: }
208: time(&now);
209: /* NB: ctime() returns a string ending in '\n' */
210: (void)fprintf (f, ";\n; BIND data file\n; %s %s;\n",
211: "Created by NetBSD sysinst on", ctime(&now));
212: (void)fprintf (f,
213: "nameserver %s\nlookup file bind\nsearch %s\n",
214: net_namesvr, net_domain);
215: fclose (f);
1.1 phil 216: }
217:
218: run_prog ("/sbin/ifconfig lo0 127.0.0.1");
219: run_prog ("/sbin/ifconfig %s inet %s netmask %s", net_dev, net_ip,
220: net_mask);
1.3 phil 221:
1.20 simonb 222: /* Set a default route if one was given */
223: if (strcmp(net_defroute, "") != 0) {
224: run_prog ("/sbin/route -f > /dev/null 2> /dev/null");
225: run_prog ("/sbin/route add default %s > /dev/null 2> /dev/null",
226: net_defroute);
227: }
228:
229: if (strcmp(net_namesvr, "") != 0 && network_up)
230: network_up = !run_prog ("/sbin/ping -c 2 %s > /dev/null",
231: net_defroute);
232:
233: if (strcmp(net_defroute, "") != 0 && network_up)
234: network_up = !run_prog ("/sbin/ping -c 2 %s > /dev/null",
235: net_namesvr);
1.8 phil 236:
237: return network_up;
1.1 phil 238: }
239:
1.2 phil 240: int
1.1 phil 241: get_via_ftp (void)
1.2 phil 242: {
1.10 phil 243: distinfo *list;
1.5 phil 244: char filename[SSTRSIZE];
1.2 phil 245: int ret;
1.1 phil 246:
1.11 phil 247: while (!config_network ()) {
1.3 phil 248: msg_display (MSG_netnotup);
249: process_menu (MENU_yesno);
250: if (!yesno)
251: return 0;
252: }
1.10 phil 253:
254: cd_dist_dir ("ftp");
255:
1.15 phil 256: /* Fill in final values for ftp_dir. */
1.23 thorpej 257: strncat (ftp_dir, rel, STRSIZE-strlen(ftp_dir));
1.15 phil 258: strcat (ftp_dir, "/");
259: strncat (ftp_dir, machine, STRSIZE-strlen(ftp_dir));
1.1 phil 260: strncat (ftp_dir, ftp_prefix, STRSIZE-strlen(ftp_dir));
261: process_menu (MENU_ftpsource);
262:
1.6 phil 263: list = dist_list;
1.1 phil 264: endwin();
1.10 phil 265: while (list->name) {
266: if (!list->getit) {
267: list++;
268: continue;
269: }
1.23 thorpej 270: snprintf (filename, SSTRSIZE, "%s%s", list->name, dist_postfix);
1.1 phil 271: if (strcmp ("ftp", ftp_user) == 0)
1.5 phil 272: ret = run_prog("/usr/bin/ftp -a ftp://%s/%s/%s",
1.2 phil 273: ftp_host, ftp_dir,
1.5 phil 274: filename);
1.1 phil 275: else
1.5 phil 276: ret = run_prog("/usr/bin/ftp ftp://%s:%s@%s/%s/%s",
1.2 phil 277: ftp_user, ftp_pass, ftp_host, ftp_dir,
1.5 phil 278: filename);
1.2 phil 279: if (ret) {
280: /* Error getting the file. Bad host name ... ? */
1.22 thorpej 281: msg_display (MSG_ftperror_cont);
282: getchar();
1.7 phil 283: puts (CL);
1.2 phil 284: wrefresh (stdscr);
285: msg_display (MSG_ftperror);
286: process_menu (MENU_yesno);
287: if (yesno)
288: process_menu (MENU_ftpsource);
289: else
290: return 0;
291: endwin();
292: } else
293: list++;
1.18 phil 294:
1.1 phil 295: }
296: puts (CL); /* Just to make sure. */
1.2 phil 297: wrefresh (stdscr);
1.1 phil 298: #ifndef DEBUG
1.12 jonathan 299: chdir("/"); /* back to current real root */
1.1 phil 300: #endif
1.2 phil 301: return 1;
1.1 phil 302: }
303:
1.5 phil 304: int
1.1 phil 305: get_via_nfs(void)
306: {
1.11 phil 307: while (!config_network ()) {
1.5 phil 308: msg_display (MSG_netnotup);
309: process_menu (MENU_yesno);
310: if (!yesno)
311: return 0;
312: }
313:
1.1 phil 314: /* Get server and filepath */
1.5 phil 315: process_menu (MENU_nfssource);
1.24 ! jonathan 316: again:
1.5 phil 317:
1.24 ! jonathan 318: run_prog("/sbin/umount /mnt2 2> /dev/null");
! 319:
1.1 phil 320: /* Mount it */
1.24 ! jonathan 321: if (run_prog("/sbin/mount -t nfs %s:%s /mnt2", nfs_host, nfs_dir)) {
! 322: msg_display (MSG_nfsbadmount, nfs_host, nfs_dir);
1.5 phil 323: process_menu (MENU_nfsbadmount);
324: if (!yesno)
325: return 0;
1.24 ! jonathan 326: if (!ignorerror)
! 327: goto again;
! 328: }
! 329:
! 330: /* Verify distribution files exist. */
! 331: if (distribution_sets_exist_p("/mnt2") == 0) {
! 332: msg_display(MSG_badsetdir, "/mnt2");
! 333: process_menu (MENU_nfsbadmount);
! 334: if (!yesno)
! 335: return (0);
! 336: if (!ignorerror)
! 337: goto again;
1.5 phil 338: }
339:
340: /* return location, don't clean... */
1.18 phil 341: strcpy (ext_dir, "/mnt2");
1.5 phil 342: clean_dist_dir = 0;
1.8 phil 343: mnt2_mounted = 1;
1.5 phil 344: return 1;
1.8 phil 345: }
346:
1.13 jonathan 347: /*
348: * Write the network config info the user entered via menus into the
349: * config files in the target disk. Be careful not to lose any
350: * information we don't immediately add back, in case the install
351: * target is the currently-active root.
352: */
1.8 phil 353: void
354: mnt_net_config(void)
355: {
356: char ans [5] = "y";
1.12 jonathan 357: char ifconfig_fn [STRSIZE];
1.16 jonathan 358: FILE *f;
1.8 phil 359:
360: if (network_up) {
361: msg_prompt (MSG_mntnetconfig, ans, ans, 5);
362: if (*ans == 'y') {
1.12 jonathan 363:
1.13 jonathan 364: /* If not running in target, copy resolv.conf there. */
1.16 jonathan 365: dup_file_into_target("/etc/resolv.conf");
1.13 jonathan 366: /*
367: * Add IPaddr/hostname to /etc/hosts.
368: * Be careful not to clobber any existing contents.
369: * Relies on ordered seach of /etc/hosts. XXX YP?
370: */
1.16 jonathan 371: f = target_fopen("/etc/hosts", "a");
372: if (f != 0) {
1.17 phil 373: fprintf(f, msg_string(MSG_etc_hosts),
374: net_ip, net_host, net_domain,
375: net_host);
376: fclose(f);
1.16 jonathan 377: }
1.12 jonathan 378:
1.13 jonathan 379: /* Write IPaddr and netmask to /etc/ifconfig.if[0-9] */
1.16 jonathan 380: snprintf (ifconfig_fn, STRSIZE,
381: "/etc/ifconfig.%s", net_dev);
382: f = target_fopen(ifconfig_fn, "w");
383: if (f != 0) {
384: fprintf(f, "%s netmask %s\n",
385: net_ip, net_mask);
386: fclose(f);
387: }
388:
389: f = target_fopen("/etc/mygate", "w");
390: if (f != 0) {
391: fprintf(f, "%s\n", net_defroute);
392: fclose(f);
393: }
1.8 phil 394: }
395: }
1.1 phil 396: }
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