406 lines
10 KiB
C
406 lines
10 KiB
C
/*
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* The new sysinstall program.
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*
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* This is probably the last program in the `sysinstall' line - the next
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* generation being essentially a complete rewrite.
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*
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* $Id: dispatch.c,v 1.22 1997/09/08 11:09:08 jkh Exp $
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*
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* Copyright (c) 1995
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* Jordan Hubbard. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer,
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* verbatim and that no modifications are made prior to this
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* point in the file.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY JORDAN HUBBARD ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL JORDAN HUBBARD OR HIS PETS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, LIFE OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#include "sysinstall.h"
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#include <ctype.h>
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#include <errno.h>
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#include <sys/signal.h>
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#include <sys/fcntl.h>
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#include "list.h"
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static int dispatch_shutdown(dialogMenuItem *unused);
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static int dispatch_systemExecute(dialogMenuItem *unused);
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static struct _word {
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char *name;
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int (*handler)(dialogMenuItem *self);
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} resWords[] = {
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{ "configAnonFTP", configAnonFTP },
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{ "configRouter", configRouter },
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{ "configNFSServer", configNFSServer },
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{ "configNTP", configNTP },
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{ "configPCNFSD", configPCNFSD },
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{ "configPackages", configPackages },
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{ "configRegister", configRegister },
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{ "configUsers", configUsers },
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{ "configXEnvironment", configXEnvironment },
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{ "diskPartitionEditor", diskPartitionEditor },
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{ "diskPartitionWrite", diskPartitionWrite },
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{ "diskLabelEditor", diskLabelEditor },
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{ "diskLabelCommit", diskLabelCommit },
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{ "distReset", distReset },
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{ "distSetCustom", distSetCustom },
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{ "distSetDeveloper", distSetDeveloper },
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{ "distSetXDeveloper", distSetXDeveloper },
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{ "distSetKernDeveloper", distSetKernDeveloper },
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{ "distSetUser", distSetUser },
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{ "distSetXUser", distSetXUser },
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{ "distSetMinimum", distSetMinimum },
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{ "distSetEverything", distSetEverything },
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{ "distSetDES", distSetDES },
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{ "distSetSrc", distSetSrc },
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{ "distSetXF86", distSetXF86 },
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{ "distExtractAll", distExtractAll },
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{ "docBrowser", docBrowser },
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{ "docShowDocument", docShowDocument },
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{ "installCommit", installCommit },
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{ "installExpress", installExpress },
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{ "installNovice", installNovice },
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{ "installUpgrade", installUpgrade },
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{ "installFixup", installFixup },
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{ "installFixitHoloShell", installFixitHoloShell },
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{ "installFixitCDROM", installFixitCDROM },
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{ "installFixitFloppy", installFixitFloppy },
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{ "installFilesystems", installFilesystems },
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{ "installVarDefaults", installVarDefaults },
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{ "loadConfig", dispatch_load_file },
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{ "mediaSetCDROM", mediaSetCDROM },
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{ "mediaSetFloppy", mediaSetFloppy },
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{ "mediaSetDOS", mediaSetDOS },
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{ "mediaSetTape", mediaSetTape },
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{ "mediaSetFTP", mediaSetFTP },
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{ "mediaSetFTPActive", mediaSetFTPActive },
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{ "mediaSetFTPPassive", mediaSetFTPPassive },
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{ "mediaSetUFS", mediaSetUFS },
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{ "mediaSetNFS", mediaSetNFS },
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{ "mediaSetFTPUserPass", mediaSetFTPUserPass },
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{ "mediaSetCPIOVerbosity", mediaSetCPIOVerbosity },
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{ "mediaGetType", mediaGetType },
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{ "optionsEditor", optionsEditor },
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{ "register", configRegister }, /* Alias */
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{ "packageAdd", packageAdd },
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{ "addGroup", userAddGroup },
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{ "addUser", userAddUser },
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{ "shutdown", dispatch_shutdown },
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{ "system", dispatch_systemExecute },
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{ NULL, NULL },
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};
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/*
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* Helper routines for buffering data.
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*
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* We read an entire configuration into memory before executing it
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* so that we are truely standalone and can do things like nuke the
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* file or disk we're working on.
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*/
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typedef struct command_buffer_ {
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qelement queue;
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char * string;
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} command_buffer;
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static void
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dispatch_free_command(command_buffer *item)
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{
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REMQUE(item);
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free(item->string);
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free(item);
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}
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static void
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dispatch_free_all(qelement *head)
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{
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command_buffer *item;
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while (!EMPTYQUE(*head)) {
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item = (command_buffer *) head->q_forw;
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dispatch_free_command(item);
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}
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}
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static command_buffer *
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dispatch_add_command(qelement *head, char *string)
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{
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command_buffer *new;
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new = malloc(sizeof(command_buffer));
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if (!new)
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return NULL;
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new->string = strdup(string);
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INSQUEUE(new, head->q_back);
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return new;
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}
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/*
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* Command processing
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*/
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/* Just convenience */
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static int
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dispatch_shutdown(dialogMenuItem *unused)
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{
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systemShutdown(0);
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return DITEM_FAILURE;
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}
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static int
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dispatch_systemExecute(dialogMenuItem *unused)
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{
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char *cmd = variable_get("command");
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if (cmd)
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return systemExecute(cmd) ? DITEM_FAILURE : DITEM_SUCCESS;
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else
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msgDebug("_systemExecute: No command passed in `command' variable.\n");
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return DITEM_FAILURE;
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}
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static int
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call_possible_resword(char *name, dialogMenuItem *value, int *status)
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{
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int i, rval;
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rval = 0;
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for (i = 0; resWords[i].name; i++) {
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if (!strcmp(name, resWords[i].name)) {
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*status = resWords[i].handler(value);
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rval = 1;
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break;
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}
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}
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return rval;
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}
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/* For a given string, call it or spit out an undefined command diagnostic */
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int
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dispatchCommand(char *str)
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{
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int i;
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char *cp;
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if (!str || !*str) {
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msgConfirm("Null or zero-length string passed to dispatchCommand");
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return DITEM_FAILURE;
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}
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/* If it's got a newline, trim it */
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if ((cp = index(str, '\n')) != NULL)
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*cp = '\0';
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/* If it's got a `=' sign in there, assume it's a variable setting */
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if (index(str, '=')) {
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if (isDebug())
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msgDebug("dispatch: setting variable `%s'\n", str);
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variable_set(str);
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i = DITEM_SUCCESS;
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}
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else {
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/* A command might be a pathname if it's encoded in argv[0], which
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we also support */
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if ((cp = rindex(str, '/')) != NULL)
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str = cp + 1;
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if (isDebug())
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msgDebug("dispatch: calling resword `%s'\n", str);
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if (!call_possible_resword(str, NULL, &i)) {
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msgNotify("Warning: No such command ``%s''", str);
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i = DITEM_FAILURE;
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}
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}
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return i;
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}
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/*
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* File processing
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*/
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static qelement *
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dispatch_load_fp(FILE *fp)
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{
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qelement *head;
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char buf[BUFSIZ], *cp;
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head = malloc(sizeof(qelement));
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if (!head)
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return NULL;
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INITQUE(*head);
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while (fgets(buf, sizeof buf, fp)) {
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if ((cp = strchr(buf, '\n')) != NULL)
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*cp = '\0';
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if (*buf == '\0' || *buf == '#')
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continue;
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if (!dispatch_add_command(head, buf))
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return NULL;
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}
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return head;
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}
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static int
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dispatch_execute(qelement *head)
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{
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int result = DITEM_SUCCESS;
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command_buffer *item;
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if (!head)
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return result | DITEM_FAILURE;
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/* Hint to others that we're running from a script, should they care */
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variable_set2(VAR_NONINTERACTIVE, "YES");
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while (!EMPTYQUE(*head)) {
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item = (command_buffer *) head->q_forw;
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if (DITEM_STATUS(dispatchCommand(item->string)) != DITEM_SUCCESS) {
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/*
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* Allow a user to prefix a command with "noError" to cause
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* us to ignore any errors for that one command.
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*/
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if (variable_get(VAR_NO_ERROR))
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variable_unset(VAR_NO_ERROR);
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else {
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msgConfirm("Command `%s' failed - rest of script aborted.\n",
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item->string);
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result |= DITEM_FAILURE;
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break;
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}
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}
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dispatch_free_command(item);
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}
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dispatch_free_all(head);
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variable_unset(VAR_NONINTERACTIVE);
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return result;
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}
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int
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dispatch_load_file_int(int quiet)
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{
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FILE *fp;
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char *cp;
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int i;
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qelement *list;
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static const char *names[] = {
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"install.cfg",
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"/stand/install.cfg",
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"/tmp/install.cfg",
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NULL
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};
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fp = NULL;
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cp = variable_get(VAR_CONFIG_FILE);
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if (!cp) {
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for (i = 0; names[i]; i++)
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if ((fp = fopen(names[i], "r")) != NULL)
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break;
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} else
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fp = fopen(cp, "r");
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if (!fp) {
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if (!quiet)
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msgConfirm("Unable to open %s: %s", cp, strerror(errno));
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return DITEM_FAILURE;
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}
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list = dispatch_load_fp(fp);
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fclose(fp);
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return dispatch_execute(list);
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}
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int
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dispatch_load_file(dialogMenuItem *self)
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{
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return dispatch_load_file_int(FALSE);
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}
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int
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dispatch_load_floppy(dialogMenuItem *self)
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{
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int what = DITEM_RESTORE | DITEM_SUCCESS;
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extern char *distWanted;
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char *cp;
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FILE *fp;
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qelement *list;
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mediaClose();
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dialog_clear_norefresh();
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cp = variable_get_value(VAR_INSTALL_CFG,
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"Specify the name of a configuration file\n"
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"residing on a MSDOS or UFS floppy.");
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if (!cp || !*cp) {
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variable_unset(VAR_INSTALL_CFG);
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what |= DITEM_FAILURE;
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return what;
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}
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distWanted = cp;
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/* Try to open the floppy drive */
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if (DITEM_STATUS(mediaSetFloppy(NULL)) == DITEM_FAILURE) {
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msgConfirm("Unable to set media device to floppy.");
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what |= DITEM_FAILURE;
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mediaClose();
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return what;
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}
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if (!mediaDevice->init(mediaDevice)) {
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msgConfirm("Unable to mount floppy filesystem.");
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what |= DITEM_FAILURE;
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mediaClose();
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return what;
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}
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fp = mediaDevice->get(mediaDevice, cp, TRUE);
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if (fp) {
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list = dispatch_load_fp(fp);
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fclose(fp);
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mediaClose();
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what |= dispatch_execute(list);
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}
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else {
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msgConfirm("Configuration file '%s' not found.", cp);
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variable_unset(VAR_INSTALL_CFG);
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what |= DITEM_FAILURE;
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mediaClose();
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}
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return what;
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}
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