tcpip.c revision 93401
1/* 2 * $FreeBSD: head/usr.sbin/sysinstall/tcpip.c 93401 2002-03-29 23:03:17Z murray $ 3 * 4 * Copyright (c) 1995 5 * Gary J Palmer. All rights reserved. 6 * Copyright (c) 1996 7 * Jordan K. Hubbard. All rights reserved. 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 * verbatim and that no modifications are made prior to this 15 * point in the file. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 25 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 26 * OF USE, DATA, LIFE OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 27 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 28 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 * 31 */ 32 33/* 34 * All kinds of hacking also performed by jkh on this code. Don't 35 * blame Gary for every bogosity you see here.. :-) 36 * 37 * -jkh 38 */ 39 40#include "sysinstall.h" 41#include <sys/param.h> 42#include <sys/sysctl.h> 43#include <sys/socket.h> 44#include <netinet/in.h> 45#include <netdb.h> 46 47/* The help file for the TCP/IP setup screen */ 48#define TCP_HELPFILE "tcp" 49 50/* These are nasty, but they make the layout structure a lot easier ... */ 51 52static char hostname[HOSTNAME_FIELD_LEN], domainname[HOSTNAME_FIELD_LEN], 53 gateway[IPADDR_FIELD_LEN], nameserver[INET6_ADDRSTRLEN]; 54static int okbutton, cancelbutton; 55static char ipaddr[IPADDR_FIELD_LEN], netmask[IPADDR_FIELD_LEN], extras[EXTRAS_FIELD_LEN]; 56static char ipv6addr[INET6_ADDRSTRLEN]; 57 58/* What the screen size is meant to be */ 59#define TCP_DIALOG_Y 0 60#define TCP_DIALOG_X 8 61#define TCP_DIALOG_WIDTH COLS - 16 62#define TCP_DIALOG_HEIGHT LINES - 2 63 64static Layout layout[] = { 65#define LAYOUT_HOSTNAME 0 66 { 1, 2, 25, HOSTNAME_FIELD_LEN - 1, 67 "Host:", "Your fully-qualified hostname, e.g. foo.bar.com", 68 hostname, STRINGOBJ, NULL }, 69#define LAYOUT_DOMAINNAME 1 70 { 1, 35, 20, HOSTNAME_FIELD_LEN - 1, 71 "Domain:", 72 "The name of the domain that your machine is in, e.g. bar.com", 73 domainname, STRINGOBJ, NULL }, 74#define LAYOUT_GATEWAY 2 75 { 5, 2, 18, IPADDR_FIELD_LEN - 1, 76 "IPv4 Gateway:", 77 "IPv4 address of host forwarding packets to non-local destinations", 78 gateway, STRINGOBJ, NULL }, 79#define LAYOUT_NAMESERVER 3 80 { 5, 35, 18, INET6_ADDRSTRLEN - 1, 81 "Name server:", "IPv4 or IPv6 address of your local DNS server", 82 nameserver, STRINGOBJ, NULL }, 83#define LAYOUT_IPADDR 4 84 { 10, 10, 18, IPADDR_FIELD_LEN - 1, 85 "IPv4 Address:", 86 "The IPv4 address to be used for this interface", 87 ipaddr, STRINGOBJ, NULL }, 88#define LAYOUT_NETMASK 5 89 { 10, 35, 18, IPADDR_FIELD_LEN - 1, 90 "Netmask:", 91 "The netmask for this interface, e.g. 0xffffff00 for a class C network", 92 netmask, STRINGOBJ, NULL }, 93#define LAYOUT_EXTRAS 6 94 { 14, 10, 37, HOSTNAME_FIELD_LEN - 1, 95 "Extra options to ifconfig:", 96 "Any interface-specific options to ifconfig you would like to add", 97 extras, STRINGOBJ, NULL }, 98#define LAYOUT_OKBUTTON 7 99 { 19, 15, 0, 0, 100 "OK", "Select this if you are happy with these settings", 101 &okbutton, BUTTONOBJ, NULL }, 102#define LAYOUT_CANCELBUTTON 8 103 { 19, 35, 0, 0, 104 "CANCEL", "Select this if you wish to cancel this screen", 105 &cancelbutton, BUTTONOBJ, NULL }, 106 { NULL }, 107}; 108 109#define _validByte(b) ((b) >= 0 && (b) <= 255) 110 111/* whine */ 112static void 113feepout(char *msg) 114{ 115 beep(); 116 msgConfirm("%s", msg); 117} 118 119/* Verify IP address integrity */ 120static int 121verifyIP(char *ip, unsigned long *mask, unsigned long *out) 122{ 123 long a, b, c, d; 124 char *endptr; 125 126 unsigned long parsedip; 127 unsigned long max_addr = (255 << 24) | (255 << 16) | (255 << 8) | 255; 128 129 if (ip == NULL) 130 return 0; 131 a = strtol(ip, &endptr, 10); 132 if (*endptr++ != '.') 133 return 0; 134 b = strtol(endptr, &endptr, 10); 135 if (*endptr++ != '.') 136 return 0; 137 c = strtol(endptr, &endptr, 10); 138 if (*endptr++ != '.') 139 return 0; 140 d = strtol(endptr, &endptr, 10); 141 if (*endptr != '\0') 142 return 0; 143 if (!_validByte(a) || !_validByte(b) || !_validByte(c) || !_validByte(d)) 144 return 0; 145 parsedip = (a << 24) | (b << 16) | (c << 8) | d; 146 if (out) 147 *out = parsedip; 148 /* 149 * The ip address must not be network or broadcast address. 150 */ 151 if (mask && ((parsedip == (parsedip & *mask)) || 152 (parsedip == ((parsedip & *mask) + max_addr - *mask)))) 153 return 0; 154 return 1; 155} 156 157static int 158verifyIP6(char *ip) 159{ 160 struct addrinfo hints, *res; 161 162 memset(&hints, 0, sizeof(hints)); 163 hints.ai_family = AF_INET6; 164 hints.ai_socktype = SOCK_STREAM; 165 hints.ai_flags = AI_PASSIVE | AI_NUMERICHOST; 166 if (getaddrinfo(ip, NULL, &hints, &res) == 0) { 167 freeaddrinfo(res); 168 return 1; 169 } 170 return 0; 171} 172 173/* Verify IPv4 netmask as being well-formed as 174 a 0x or AAA.BBB.CCC.DDD mask */ 175static int 176verifyNetmask(const char *netmask, unsigned long *out) 177{ 178 unsigned long mask; 179 unsigned long tmp; 180 char *endptr; 181 182 if (netmask[0] == '0' && (netmask[1] == 'x' || netmask[1] == 'X')) { 183 /* Parse out hex mask */ 184 mask = strtoul(netmask, &endptr, 0); 185 if (*endptr != '\0') 186 return 0; 187 } else { 188 /* Parse out quad decimal mask */ 189 mask = strtoul(netmask, &endptr, 10); 190 if (!_validByte(mask) || *endptr++ != '.') 191 return 0; 192 tmp = strtoul(endptr, &endptr, 10); 193 if (!_validByte(tmp) || *endptr++ != '.') 194 return 0; 195 mask = (mask << 8) + tmp; 196 tmp = strtoul(endptr, &endptr, 10); 197 if (!_validByte(tmp) || *endptr++ != '.') 198 return 0; 199 mask = (mask << 8) + tmp; 200 tmp = strtoul(endptr, &endptr, 10); 201 if (!_validByte(tmp) || *endptr++ != '\0') 202 return 0; 203 mask = (mask << 8) + tmp; 204 } 205 /* Verify that we have a continous netmask */ 206 if ((((-mask & mask) - 1) | mask) != 0xffffffff) 207 return 0; 208 if (out) 209 *out = mask; 210 return 1; 211} 212 213static int 214verifyGW(char *gw, unsigned long *ip, unsigned long *mask) 215{ 216 unsigned long parsedgw; 217 218 if (!verifyIP(gw, mask, &parsedgw)) 219 return 0; 220 /* Gateway needs to be within the set of IPs reachable through the 221 interface */ 222 if (ip && mask && ((parsedgw & *mask) != (*ip & *mask))) 223 return 0; 224 return 1; 225} 226 227/* Check for the settings on the screen - the per-interface stuff is 228 moved to the main handling code now to do it on the fly - sigh */ 229static int 230verifySettings(void) 231{ 232 unsigned long parsedip; 233 unsigned long parsednetmask; 234 235 if (!hostname[0]) 236 feepout("Must specify a host name of some sort!"); 237 else if (netmask[0] && !verifyNetmask(netmask, &parsednetmask)) 238 feepout("Invalid netmask value"); 239 else if (nameserver[0] && !verifyIP(nameserver, NULL, NULL) && 240 !verifyIP6(nameserver)) 241 feepout("Invalid name server IP address specified"); 242 else if (ipaddr[0] && !verifyIP(ipaddr, &parsednetmask, &parsedip)) 243 feepout("Invalid IPv4 address"); 244 else if (gateway[0] && strcmp(gateway, "NO") && 245 !verifyGW(gateway, ipaddr[0] ? &parsedip : NULL, 246 netmask[0] ? &parsednetmask : NULL)) 247 feepout("Invalid gateway IPv4 address specified"); 248 else 249 return 1; 250 return 0; 251} 252 253static void 254dhcpGetInfo(Device *devp) 255{ 256 /* If it fails, do it the old-fashioned way */ 257 if (dhcpParseLeases("/var/db/dhclient.leases", hostname, domainname, 258 nameserver, ipaddr, gateway, netmask) == -1) { 259 FILE *ifp; 260 char *cp, cmd[256], data[2048]; 261 int i, j; 262 263 /* Bah, now we have to kludge getting the information from ifconfig */ 264 snprintf(cmd, sizeof cmd, "ifconfig %s", devp->name); 265 ifp = popen(cmd, "r"); 266 if (ifp) { 267 j = fread(data, 1, sizeof(data), ifp); 268 fclose(ifp); 269 if (j < 0) /* paranoia */ 270 j = 0; 271 data[j] = '\0'; 272 if (isDebug()) 273 msgDebug("DHCP configured interface returns %s\n", data); 274 /* XXX This is gross as it assumes a certain ordering to 275 ifconfig's output! XXX */ 276 if ((cp = strstr(data, "inet ")) != NULL) { 277 i = 0; 278 cp += 5; /* move over keyword */ 279 while (*cp != ' ') 280 ipaddr[i++] = *(cp++); 281 ipaddr[i] = '\0'; 282 if (!strncmp(++cp, "netmask", 7)) { 283 i = 0; 284 cp += 8; 285 while (*cp != ' ') 286 netmask[i++] = *(cp++); 287 netmask[i] = '\0'; 288 } 289 } 290 } 291 } 292 293 /* If we didn't get a name server value, hunt for it in resolv.conf */ 294 if (!nameserver[0] && file_readable("/etc/resolv.conf")) 295 configEnvironmentResolv("/etc/resolv.conf"); 296 if (hostname[0]) 297 variable_set2(VAR_HOSTNAME, hostname, 0); 298} 299 300static void 301rtsolGetInfo(Device *devp) 302{ 303 FILE *ifp; 304 char *cp, cmd[256], data[2048]; 305 int i; 306 307 snprintf(cmd, sizeof cmd, "ifconfig %s", devp->name); 308 if ((ifp = popen(cmd, "r")) == NULL) 309 return; 310 while (fgets(data, sizeof(data), ifp) != NULL) { 311 if (isDebug()) 312 msgDebug("RTSOL configured interface returns %s", data); 313 if ((cp = strstr(data, "inet6 ")) != NULL) { 314 cp += 6; /* move over keyword */ 315 if (strncmp(cp, "fe80:", 5)) { 316 i = 0; 317 while (*cp != ' ') 318 ipv6addr[i++] = *(cp++); 319 ipv6addr[i] = '\0'; 320 } 321 } 322 } 323 fclose(ifp); 324} 325 326/* This is it - how to get TCP setup values */ 327int 328tcpOpenDialog(Device *devp) 329{ 330 WINDOW *ds_win, *save = NULL; 331 ComposeObj *obj = NULL; 332 int n = 0, filled = 0, cancel = FALSE; 333 int max, ret = DITEM_SUCCESS; 334 int use_dhcp = FALSE; 335 int use_rtsol = FALSE; 336 char *tmp; 337 char title[80]; 338 339 save = savescr(); 340 /* Initialise vars from previous device values */ 341 if (devp->private) { 342 DevInfo *di = (DevInfo *)devp->private; 343 344 SAFE_STRCPY(ipaddr, di->ipaddr); 345 SAFE_STRCPY(netmask, di->netmask); 346 SAFE_STRCPY(extras, di->extras); 347 use_dhcp = di->use_dhcp; 348 use_rtsol = di->use_rtsol; 349 } 350 else { /* See if there are any defaults */ 351 char *cp; 352 353 /* 354 * Try a RTSOL scan if such behavior is desired. 355 * If the variable was configured and is YES, do it. 356 * If it was configured to anything else, treat it as NO. 357 * Otherwise, ask the question interactively. 358 */ 359 if (!variable_cmp(VAR_TRY_RTSOL, "YES") || 360 (variable_get(VAR_TRY_RTSOL)==0 && !msgNoYes("Do you want to try IPv6 configuration of the interface?"))) { 361 int i; 362 size_t len; 363 364 i = 0; 365 sysctlbyname("net.inet6.ip6.forwarding", NULL, 0, &i, sizeof(i)); 366 i = 1; 367 sysctlbyname("net.inet6.ip6.accept_rtadv", NULL, 0, &i, sizeof(i)); 368 vsystem("ifconfig %s up", devp->name); 369 len = sizeof(i); 370 sysctlbyname("net.inet6.ip6.dad_count", &i, &len, NULL, 0); 371 sleep(i + 1); 372 Mkdir("/var/run"); 373 msgNotify("Scanning for RA servers..."); 374 if (0 == vsystem("rtsol %s", devp->name)) { 375 len = sizeof(i); 376 sysctlbyname("net.inet6.ip6.dad_count", &i, &len, NULL, 0); 377 sleep(i + 1); 378 rtsolGetInfo(devp); 379 use_rtsol = TRUE; 380 } else 381 use_rtsol = FALSE; 382 } 383 384 385 /* 386 * First try a DHCP scan if such behavior is desired. 387 * If the variable was configured and is YES, do it. 388 * If it was configured to anything else, treat it as NO. 389 * Otherwise, ask the question interactively. 390 */ 391 if (!variable_cmp(VAR_TRY_DHCP, "YES") || 392 (variable_get(VAR_TRY_DHCP)==0 && !msgNoYes("Do you want to try DHCP configuration of the interface?"))) { 393 Mkdir("/var/db"); 394 Mkdir("/var/run"); 395 Mkdir("/tmp"); 396 msgNotify("Scanning for DHCP servers..."); 397 if (0 == vsystem("dhclient -1 %s", devp->name)) { 398 dhcpGetInfo(devp); 399 use_dhcp = TRUE; 400 } 401 else 402 use_dhcp = FALSE; 403 } 404 405 /* Special hack so it doesn't show up oddly in the tcpip setup menu */ 406 if (!strcmp(gateway, "NO")) 407 gateway[0] = '\0'; 408 409 /* Get old IP address from variable space, if available */ 410 if (!ipaddr[0]) { 411 if ((cp = variable_get(VAR_IPADDR)) != NULL) 412 SAFE_STRCPY(ipaddr, cp); 413 else if ((cp = variable_get(string_concat3(devp->name, "_", VAR_IPADDR))) != NULL) 414 SAFE_STRCPY(ipaddr, cp); 415 } 416 417 /* Get old netmask from variable space, if available */ 418 if (!netmask[0]) { 419 if ((cp = variable_get(VAR_NETMASK)) != NULL) 420 SAFE_STRCPY(netmask, cp); 421 else if ((cp = variable_get(string_concat3(devp->name, "_", VAR_NETMASK))) != NULL) 422 SAFE_STRCPY(netmask, cp); 423 } 424 425 /* Get old extras string from variable space, if available */ 426 if (!extras[0]) { 427 if ((cp = variable_get(VAR_EXTRAS)) != NULL) 428 SAFE_STRCPY(extras, cp); 429 else if ((cp = variable_get(string_concat3(devp->name, "_", VAR_EXTRAS))) != NULL) 430 SAFE_STRCPY(extras, cp); 431 } 432 } 433 434 /* Look up values already recorded with the system, or blank the string variables ready to accept some new data */ 435 if (!hostname[0]) { 436 tmp = variable_get(VAR_HOSTNAME); 437 if (tmp) 438 SAFE_STRCPY(hostname, tmp); 439 } 440 if (!domainname[0]) { 441 tmp = variable_get(VAR_DOMAINNAME); 442 if (tmp) 443 SAFE_STRCPY(domainname, tmp); 444 } 445 if (!gateway[0]) { 446 tmp = variable_get(VAR_GATEWAY); 447 if (tmp && strcmp(tmp, "NO")) 448 SAFE_STRCPY(gateway, tmp); 449 } 450 if (!nameserver[0]) { 451 tmp = variable_get(VAR_NAMESERVER); 452 if (tmp) 453 SAFE_STRCPY(nameserver, tmp); 454 } 455 456 /* If non-interactive, jump straight over the dialog crap and into config section */ 457 if (variable_get(VAR_NONINTERACTIVE) && 458 !variable_get(VAR_NETINTERACTIVE)) { 459 if (!hostname[0]) 460 msgConfirm("WARNING: hostname variable not set and is a non-optional\n" 461 "parameter. Please add this to your installation script\n" 462 "or set the netInteractive variable (see sysinstall man page)"); 463 else 464 goto netconfig; 465 } 466 467 /* Now do all the screen I/O */ 468 dialog_clear_norefresh(); 469 470 /* Modify the help line for PLIP config */ 471 if (!strncmp(devp->name, "lp", 2)) 472 layout[LAYOUT_EXTRAS].help = 473 "For PLIP configuration, you must enter the peer's IP address here."; 474 475 /* We need a curses window */ 476 tmp = " Network Configuration "; 477 if (ipv6addr[0]) 478 tmp = string_concat(tmp, "(IPv6 ready) "); 479 if (!(ds_win = openLayoutDialog(TCP_HELPFILE, tmp, 480 TCP_DIALOG_X, TCP_DIALOG_Y, TCP_DIALOG_WIDTH, TCP_DIALOG_HEIGHT))) { 481 beep(); 482 msgConfirm("Cannot open TCP/IP dialog window!!"); 483 restorescr(save); 484 return DITEM_FAILURE; 485 } 486 487 /* Draw interface configuration box */ 488 draw_box(ds_win, TCP_DIALOG_Y + 9, TCP_DIALOG_X + 8, TCP_DIALOG_HEIGHT - 13, TCP_DIALOG_WIDTH - 17, 489 dialog_attr, border_attr); 490 wattrset(ds_win, dialog_attr); 491 sprintf(title, " Configuration for Interface %s ", devp->name); 492 mvwaddstr(ds_win, TCP_DIALOG_Y + 9, TCP_DIALOG_X + 14, title); 493 494 /* Some more initialisation before we go into the main input loop */ 495 obj = initLayoutDialog(ds_win, layout, TCP_DIALOG_X, TCP_DIALOG_Y, &max); 496 497reenter: 498 cancelbutton = okbutton = 0; 499 while (layoutDialogLoop(ds_win, layout, &obj, &n, max, &cancelbutton, &cancel)) { 500 /* Prevent this from being irritating if user really means NO */ 501 if (filled < 3) { 502 /* Insert a default value for the netmask, 0xffffff00 is 503 * the most appropriate one (entire class C, or subnetted 504 * class A/B network). 505 */ 506 if (!netmask[0]) { 507 strcpy(netmask, "255.255.255.0"); 508 RefreshStringObj(layout[LAYOUT_NETMASK].obj); 509 ++filled; 510 } 511 if (!index(hostname, '.') && domainname[0]) { 512 strcat(hostname, "."); 513 strcat(hostname, domainname); 514 RefreshStringObj(layout[LAYOUT_HOSTNAME].obj); 515 ++filled; 516 } 517 else if (((tmp = index(hostname, '.')) != NULL) && !domainname[0]) { 518 SAFE_STRCPY(domainname, tmp + 1); 519 RefreshStringObj(layout[LAYOUT_DOMAINNAME].obj); 520 ++filled; 521 } 522 } 523 } 524 if (!cancel && !verifySettings()) 525 goto reenter; 526 527 /* Clear this crap off the screen */ 528 delwin(ds_win); 529 dialog_clear_norefresh(); 530 use_helpfile(NULL); 531 532 /* We actually need to inform the rest of sysinstall about this 533 data now if the user hasn't selected cancel. Save the stuff 534 out to the environment via the variable_set() mechanism */ 535 536netconfig: 537 if (!cancel) { 538 DevInfo *di; 539 char temp[512], ifn[255]; 540 char *pccard; 541 int ipv4_enable = FALSE; 542 543 if (hostname[0]) { 544 variable_set2(VAR_HOSTNAME, hostname, 1); 545 sethostname(hostname, strlen(hostname)); 546 } 547 if (domainname[0]) 548 variable_set2(VAR_DOMAINNAME, domainname, 0); 549 if (gateway[0]) 550 variable_set2(VAR_GATEWAY, gateway, use_dhcp ? 0 : 1); 551 if (nameserver[0]) 552 variable_set2(VAR_NAMESERVER, nameserver, 0); 553 if (ipaddr[0]) 554 variable_set2(VAR_IPADDR, ipaddr, 0); 555 if (ipv6addr[0]) 556 variable_set2(VAR_IPV6ADDR, ipv6addr, 0); 557 558 if (!devp->private) 559 devp->private = (DevInfo *)safe_malloc(sizeof(DevInfo)); 560 di = devp->private; 561 SAFE_STRCPY(di->ipaddr, ipaddr); 562 SAFE_STRCPY(di->netmask, netmask); 563 SAFE_STRCPY(di->extras, extras); 564 di->use_dhcp = use_dhcp; 565 di->use_rtsol = use_rtsol; 566 567 if (use_dhcp || ipaddr[0]) 568 ipv4_enable = TRUE; 569 if (ipv4_enable) { 570 sprintf(ifn, "%s%s", VAR_IFCONFIG, devp->name); 571 if (use_dhcp) 572 sprintf(temp, "DHCP"); 573 else 574 sprintf(temp, "inet %s %s netmask %s", 575 ipaddr, extras, netmask); 576 variable_set2(ifn, temp, 1); 577 } 578#ifdef PCCARD_ARCH 579 pccard = variable_get("_pccard_install"); 580 if (pccard && strcmp(pccard, "YES") == 0 && ipv4_enable) { 581 variable_set2("pccard_ifconfig", temp, 1); 582 } 583#endif 584 if (use_rtsol) 585 variable_set2(VAR_IPV6_ENABLE, "YES", 1); 586 if (!use_dhcp) 587 configResolv(NULL); /* XXX this will do it on the MFS copy XXX */ 588 ret = DITEM_SUCCESS; 589 } 590 else 591 ret = DITEM_FAILURE; 592 restorescr(save); 593 return ret; 594} 595 596static Device *NetDev; 597 598static int 599netHook(dialogMenuItem *self) 600{ 601 Device **devs; 602 603 devs = deviceFindDescr(self->prompt, self->title, DEVICE_TYPE_NETWORK); 604 if (devs) { 605 if (DITEM_STATUS(tcpOpenDialog(devs[0])) != DITEM_FAILURE) 606 NetDev = devs[0]; 607 else 608 NetDev = NULL; 609 } 610 return devs ? DITEM_LEAVE_MENU : DITEM_FAILURE; 611} 612 613/* Get a network device */ 614Device * 615tcpDeviceSelect(void) 616{ 617 DMenu *menu; 618 Device **devs, *rval; 619 int cnt; 620 621 devs = deviceFind(variable_get(VAR_NETWORK_DEVICE), DEVICE_TYPE_NETWORK); 622 cnt = deviceCount(devs); 623 rval = NULL; 624 625 if (!cnt) { 626 msgConfirm("No network devices available!"); 627 return NULL; 628 } 629 else if ((!RunningAsInit) && (variable_check("NETWORK_CONFIGURED=NO") != TRUE)) { 630 if (!msgYesNo("Running multi-user, assume that the network is already configured?")) 631 return devs[0]; 632 } 633 if (cnt == 1) { 634 if (DITEM_STATUS(tcpOpenDialog(devs[0]) == DITEM_SUCCESS)) 635 rval = devs[0]; 636 } 637 else if (variable_get(VAR_NONINTERACTIVE) && variable_get(VAR_NETWORK_DEVICE)) { 638 devs = deviceFind(variable_get(VAR_NETWORK_DEVICE), DEVICE_TYPE_NETWORK); 639 cnt = deviceCount(devs); 640 if (cnt) { 641 if (DITEM_STATUS(tcpOpenDialog(devs[0]) == DITEM_SUCCESS)) 642 rval = devs[0]; 643 } 644 } 645 else { 646 int status; 647 648 menu = deviceCreateMenu(&MenuNetworkDevice, DEVICE_TYPE_NETWORK, netHook, NULL); 649 if (!menu) 650 msgFatal("Unable to create network device menu! Argh!"); 651 status = dmenuOpenSimple(menu, FALSE); 652 free(menu); 653 if (status) 654 rval = NetDev; 655 } 656 return rval; 657} 658 659/* Do it from a menu that doesn't care about status */ 660int 661tcpMenuSelect(dialogMenuItem *self) 662{ 663 Device *tmp; 664 WINDOW *save; 665 666 variable_set("NETWORK_CONFIGURED=NO",0); 667 tmp = tcpDeviceSelect(); 668 variable_unset("NETWORK_CONFIGURED"); 669 save = savescr(); 670 if (tmp && tmp->private && !((DevInfo *)tmp->private)->use_dhcp && !msgYesNo("Would you like to bring the %s interface up right now?", tmp->name)) 671 if (!DEVICE_INIT(tmp)) 672 msgConfirm("Initialization of %s device failed.", tmp->name); 673 restorescr(save); 674 return DITEM_SUCCESS; 675} 676