550 lines
16 KiB
C
550 lines
16 KiB
C
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/*
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* kickstart.c - kickstart file handling
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*
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* Copyright (C) 1999, 2000, 2001, 2002, 2003 Red Hat, Inc.
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* Author(s): Erik Troan <ewt@redhat.com>
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* Matt Wilson <msw@redhat.com>
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* Michael Fulbright <msf@redhat.com>
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* Jeremy Katz <katzj@redhat.com>
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*/
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#include <alloca.h>
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#include <ctype.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <newt.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <glib.h>
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#include "loader.h"
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#include "loadermisc.h"
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#include "lang.h"
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#include "log.h"
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#include "kickstart.h"
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#include "modules.h"
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#include "kbd.h"
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#include "driverdisk.h"
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#include "net.h"
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#include "method.h"
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#include "nfsinstall.h"
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#include "urlinstall.h"
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#include "cdinstall.h"
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#include "hdinstall.h"
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#include "../isys/imount.h"
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#include "../isys/isys.h"
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/* boot flags */
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extern uint64_t flags;
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struct ksCommandNames {
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int code;
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char * name;
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void (*setupData) (struct loaderData_s *loaderData,
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int argc, char ** argv);
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} ;
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struct ksCommand {
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int code, argc;
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char ** argv;
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};
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static void setTextMode(struct loaderData_s * loaderData, int argc,
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char ** argv);
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static void setGraphicalMode(struct loaderData_s * loaderData, int argc,
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char ** argv);
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static void setCmdlineMode(struct loaderData_s * loaderData, int argc,
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char ** argv);
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static void setSELinux(struct loaderData_s * loaderData, int argc,
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char ** argv);
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static void setPowerOff(struct loaderData_s * loaderData, int argc,
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char ** argv);
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static void setHalt(struct loaderData_s * loaderData, int argc,
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char ** argv);
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static void setShutdown(struct loaderData_s * loaderData, int argc,
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char ** argv);
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static void setMediaCheck(struct loaderData_s * loaderData, int argc,
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char ** argv);
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static void setUpdates(struct loaderData_s * loaderData, int argc,
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char ** argv);
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struct ksCommandNames ksTable[] = {
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{ KS_CMD_NFS, "nfs", setKickstartNfs },
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{ KS_CMD_CDROM, "cdrom", setKickstartCD },
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{ KS_CMD_HD, "harddrive", setKickstartHD },
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{ KS_CMD_TEXT, "text", setTextMode },
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{ KS_CMD_GRAPHICAL, "graphical", setGraphicalMode },
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{ KS_CMD_URL, "url", setKickstartUrl },
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{ KS_CMD_NETWORK, "network", setKickstartNetwork },
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{ KS_CMD_KEYBOARD, "keyboard", setKickstartKeyboard },
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{ KS_CMD_LANG, "lang", setKickstartLanguage },
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{ KS_CMD_DD, "driverdisk", useKickstartDD },
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{ KS_CMD_DEVICE, "device", loadKickstartModule },
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{ KS_CMD_CMDLINE, "cmdline", setCmdlineMode },
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{ KS_CMD_SELINUX, "selinux", setSELinux },
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{ KS_CMD_POWEROFF, "poweroff", setPowerOff },
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{ KS_CMD_HALT, "halt", setHalt },
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{ KS_CMD_SHUTDOWN, "shutdown", setShutdown },
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{ KS_CMD_MEDIACHECK, "mediacheck", setMediaCheck },
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{ KS_CMD_UPDATES, "updates", setUpdates },
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{ KS_CMD_NONE, NULL, NULL }
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};
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struct ksCommand * commands = NULL;
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int numCommands = 0;
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int ksReadCommands(char * cmdFile) {
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int fd;
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char * buf;
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struct stat sb;
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char * start, * end, * chptr;
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char oldch;
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int line = 0;
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gint argc = 0;
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gchar **argv = NULL;
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GError *optErr = NULL;
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int inSection = 0; /* in a section such as %post, %pre or %packages */
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struct ksCommandNames * cmd;
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int commandsAlloced = 5;
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if ((fd = open(cmdFile, O_RDONLY)) < 0) {
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startNewt();
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newtWinMessage(_("Kickstart Error"), _("OK"),
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_("Error opening kickstart file %s: %m"),
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cmdFile);
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return LOADER_ERROR;
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}
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fstat(fd, &sb);
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buf = alloca(sb.st_size + 1);
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if (read(fd, buf, sb.st_size) != sb.st_size) {
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startNewt();
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newtWinMessage(_("Kickstart Error"), _("OK"),
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_("Error reading contents of kickstart file %s: %m"),
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cmdFile);
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close(fd);
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return LOADER_ERROR;
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}
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close(fd);
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buf[sb.st_size] = '\0';
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commands = malloc(sizeof(*commands) * commandsAlloced);
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start = buf;
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while (*start && !inSection) {
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line++;
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if (!(end = strchr(start, '\n')))
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end = start + strlen(start);
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oldch = *end;
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*end = '\0';
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while (*start && isspace(*start)) start++;
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chptr = end - 1;
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while (chptr > start && isspace(*chptr)) chptr--;
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if (isspace(*chptr))
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*chptr = '\0';
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else
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*(chptr + 1) = '\0';
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if (!*start || *start == '#' || !strncmp(start, "%include", 8)) {
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/* keep parsing the file */
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} else if (*start == '%') {
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/* assumed - anything starting with %something is a section */
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inSection = 1;
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} else if (*chptr == '\\') {
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/* JKFIXME: this should be handled better, but at least we
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* won't segfault now */
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} else {
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if (!g_shell_parse_argv(start, &argc, &argv, &optErr) && argc) {
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newtWinMessage(_("Kickstart Error"), _("OK"),
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_("Error in %s on line %d of kickstart "
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"file %s."), argv[0], line, cmdFile);
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g_error_free(optErr);
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} else if (!argc) {
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newtWinMessage(_("Kickstart Error"), _("OK"),
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_("Missing options on line %d of kickstart "
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"file %s."), line, cmdFile);
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} else {
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for (cmd = ksTable; cmd->name; cmd++)
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if (!strcmp(cmd->name, argv[0])) break;
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if (cmd->name) {
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if (numCommands == commandsAlloced) {
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commandsAlloced += 5;
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commands = realloc(commands,
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sizeof(*commands) * commandsAlloced);
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}
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commands[numCommands].code = cmd->code;
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commands[numCommands].argc = argc;
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commands[numCommands].argv = argv;
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numCommands++;
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}
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}
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}
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if (oldch)
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start = end + 1;
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else
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start = end;
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}
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return 0;
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}
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int ksHasCommand(int cmd) {
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int i;
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for(i = 0; i < numCommands; i++)
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if (commands[i].code == cmd) return 1;
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return 0;
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}
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int ksGetCommand(int cmd, char ** last, int * argc, char *** argv) {
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int i = 0;
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if (last) {
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for (i = 0; i < numCommands; i++) {
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if (commands[i].argv == last) break;
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}
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i++;
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}
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for (; i < numCommands; i++) {
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if (commands[i].code == cmd) {
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if (argv) *argv = commands[i].argv;
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if (argc) *argc = commands[i].argc;
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return 0;
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}
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}
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return 1;
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}
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int kickstartFromRemovable(char *kssrc) {
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struct device ** devices;
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char *p, *kspath;
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int i, rc;
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logMessage(INFO, "doing kickstart from removable media");
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devices = getDevices(DEVICE_DISK);
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/* usb can take some time to settle, even with the various hacks we
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* have in place. some systems use portable USB CD-ROM drives, try to
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* make sure there really isn't one before bailing. */
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for (i = 0; !devices && i < 10; ++i) {
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logMessage(INFO, "sleeping to wait for a USB disk");
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sleep(2);
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devices = getDevices(DEVICE_DISK);
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}
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if (!devices) {
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logMessage(ERROR, "no disks");
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return 1;
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}
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for (i = 0; devices[i]; i++) {
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if (devices[i]->priv.removable == 1) {
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logMessage(INFO, "first removable media is %s", devices[i]->device);
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break;
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}
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}
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if (!devices[i] || (devices[i]->priv.removable == 0)) {
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logMessage(ERROR, "no removable devices");
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return 1;
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}
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/* format is floppy:[/path/to/ks.cfg] */
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kspath = "";
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p = strchr(kssrc, ':');
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if (p)
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kspath = p + 1;
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if (!p || strlen(kspath) < 1)
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kspath = "/ks.cfg";
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if ((rc=getKickstartFromBlockDevice(devices[i]->device, kspath))) {
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if (rc == 3) {
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startNewt();
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newtWinMessage(_("Error"), _("OK"),
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_("Cannot find ks.cfg on removable media."));
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}
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return 1;
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}
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return 0;
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}
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/* given a device name (w/o '/dev' on it), try to get ks file */
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/* Error codes:
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1 - could not create device node
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2 - could not mount device as ext2, vfat, or iso9660
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3 - kickstart file named path not there
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*/
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int getKickstartFromBlockDevice(char *device, char *path) {
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return getFileFromBlockDevice(device, path, "/tmp/ks.cfg");
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}
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static char *newKickstartLocation(const char *origLocation) {
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const char *location;
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char *retval = NULL;
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newtComponent f, okay, cancel, answer, locationEntry;
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newtGrid grid, buttons;
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startNewt();
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locationEntry = newtEntry(-1, -1, NULL, 60, &location, NEWT_FLAG_SCROLL);
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newtEntrySet(locationEntry, origLocation, 1);
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/* button bar at the bottom of the window */
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buttons = newtButtonBar(_("OK"), &okay, _("Cancel"), &cancel, NULL);
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grid = newtCreateGrid(1, 3);
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newtGridSetField(grid, 0, 0, NEWT_GRID_COMPONENT,
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newtTextboxReflowed(-1, -1, _("Unable to download the kickstart file. Please modify the kickstart parameter below or press Cancel to proceed as an interactive installation."), 60, 0, 0, 0),
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0, 0, 0, 0, NEWT_ANCHOR_LEFT, 0);
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newtGridSetField(grid, 0, 1, NEWT_GRID_COMPONENT, locationEntry,
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0, 1, 0, 0, NEWT_ANCHOR_LEFT, 0);
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newtGridSetField(grid, 0, 2, NEWT_GRID_SUBGRID, buttons,
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0, 1, 0, 0, 0, NEWT_GRID_FLAG_GROWX);
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f = newtForm(NULL, NULL, 0);
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newtGridAddComponentsToForm(grid, f, 1);
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newtGridWrappedWindow(grid, _("Error downloading kickstart file"));
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newtGridFree(grid, 1);
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/* run the form */
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answer = newtRunForm(f);
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if (answer != cancel)
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retval = strdup(location);
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newtFormDestroy(f);
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newtPopWindow();
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return retval;
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}
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int isKickstartFileRemote(char *ksFile) {
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char *location = NULL;
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if (ksFile == NULL) {
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return 0;
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}
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if (!strcmp(ksFile, "ks")) {
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return 1;
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} else if (!strncmp(ksFile, "ks=", 3)) {
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location = ksFile + 3;
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}
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if (!strncmp(location, "http", 4) ||
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!strncmp(location, "ftp://", 6) ||
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!strncmp(location, "nfs:", 4)) {
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return 1;
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} else {
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return 0;
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}
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}
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void getKickstartFile(struct loaderData_s *loaderData) {
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char *c;
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int rc = 1;
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/* Chop off the parameter name, if given. */
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if (!strncmp(loaderData->ksFile, "ks=", 3))
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c = loaderData->ksFile+3;
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else
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c = loaderData->ksFile;
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while (rc != 0) {
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if (!strncmp(c, "ks", 2)) {
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rc = kickstartFromNfs(NULL, loaderData);
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loaderData->ksFile = strdup("/tmp/ks.cfg");
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} else if (!strncmp(c, "http", 4) || !strncmp(c, "ftp://", 6)) {
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rc = kickstartFromUrl(c, loaderData);
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loaderData->ksFile = strdup("/tmp/ks.cfg");
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} else if (!strncmp(c, "nfs:", 4)) {
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rc = kickstartFromNfs(c+4, loaderData);
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loaderData->ksFile = strdup("/tmp/ks.cfg");
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} else if (!strncmp(c, "floppy", 6)) {
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rc = kickstartFromRemovable(c);
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loaderData->ksFile = strdup("/tmp/ks.cfg");
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} else if (!strncmp(c, "hd:", 3)) {
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rc = kickstartFromHD(c);
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loaderData->ksFile = strdup("/tmp/ks.cfg");
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} else if (!strncmp(c, "bd:", 3)) {
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rc = kickstartFromBD(c);
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loaderData->ksFile = strdup("/tmp/ks.cfg");
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} else if (!strncmp(c, "cdrom", 5)) {
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rc = kickstartFromCD(c);
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loaderData->ksFile = strdup("/tmp/ks.cfg");
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} else if (!strncmp(c, "file:", 5)) {
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loaderData->ksFile = c+5;
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break;
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}
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if (rc != 0) {
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char *newLocation;
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if (!strcmp(c, "ks"))
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newLocation = newKickstartLocation("");
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else
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newLocation = newKickstartLocation(c);
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if (loaderData->ksFile != NULL)
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free(loaderData->ksFile);
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if (newLocation != NULL) {
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loaderData->ksFile = strdup(newLocation);
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free(newLocation);
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return getKickstartFile(loaderData);
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}
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else
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return;
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}
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}
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|
flags |= LOADER_FLAGS_KICKSTART;
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
static void setUpdates(struct loaderData_s * loaderData, int argc,
|
||
|
char ** argv) {
|
||
|
if (argc == 1)
|
||
|
flags |= LOADER_FLAGS_UPDATES;
|
||
|
else if (argc == 2)
|
||
|
loaderData->updatessrc = strdup(argv[1]);
|
||
|
else
|
||
|
logMessage(WARNING, "updates command given with incorrect arguments");
|
||
|
}
|
||
|
|
||
|
static void setTextMode(struct loaderData_s * loaderData, int argc,
|
||
|
char ** argv) {
|
||
|
logMessage(INFO, "kickstart forcing text mode");
|
||
|
flags |= LOADER_FLAGS_TEXT;
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
static void setGraphicalMode(struct loaderData_s * loaderData, int argc,
|
||
|
char ** argv) {
|
||
|
logMessage(INFO, "kickstart forcing graphical mode");
|
||
|
flags |= LOADER_FLAGS_GRAPHICAL;
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
static void setCmdlineMode(struct loaderData_s * loaderData, int argc,
|
||
|
char ** argv) {
|
||
|
logMessage(INFO, "kickstart forcing cmdline mode");
|
||
|
flags |= LOADER_FLAGS_CMDLINE;
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
static void setSELinux(struct loaderData_s * loaderData, int argc,
|
||
|
char ** argv) {
|
||
|
flags |= LOADER_FLAGS_SELINUX;
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
static void setPowerOff(struct loaderData_s * loaderData, int argc,
|
||
|
char ** argv) {
|
||
|
if (!FL_NOKILL(flags))
|
||
|
flags |= LOADER_FLAGS_POWEROFF;
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
static void setHalt(struct loaderData_s * loaderData, int argc,
|
||
|
char ** argv) {
|
||
|
if (!FL_NOKILL(flags))
|
||
|
flags |= LOADER_FLAGS_HALT;
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
static void setShutdown(struct loaderData_s * loaderData, int argc,
|
||
|
char ** argv) {
|
||
|
gint eject = 0, reboot = 0, halt = 0, poweroff = 0;
|
||
|
GOptionContext *optCon = g_option_context_new(NULL);
|
||
|
GError *optErr = NULL;
|
||
|
GOptionEntry ksOptions[] = {
|
||
|
{ "eject", 'e', 0, G_OPTION_ARG_INT, &eject, NULL, NULL },
|
||
|
{ "reboot", 'r', 0, G_OPTION_ARG_INT, &reboot, NULL, NULL },
|
||
|
{ "halt", 'h', 0, G_OPTION_ARG_INT, &halt, NULL, NULL },
|
||
|
{ "poweroff", 'p', 0, G_OPTION_ARG_INT, &poweroff, NULL, NULL },
|
||
|
{ NULL },
|
||
|
};
|
||
|
|
||
|
g_option_context_set_help_enabled(optCon, FALSE);
|
||
|
g_option_context_add_main_entries(optCon, ksOptions, NULL);
|
||
|
|
||
|
if (!g_option_context_parse(optCon, &argc, &argv, &optErr)) {
|
||
|
startNewt();
|
||
|
newtWinMessage(_("Kickstart Error"), _("OK"),
|
||
|
_("Bad argument to shutdown kickstart method "
|
||
|
"command: %s"), optErr->message);
|
||
|
g_error_free(optErr);
|
||
|
g_option_context_free(optCon);
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
g_option_context_free(optCon);
|
||
|
|
||
|
if (FL_NOKILL(flags)) {
|
||
|
flags |= LOADER_FLAGS_HALT;
|
||
|
} else {
|
||
|
if (poweroff)
|
||
|
flags |= LOADER_FLAGS_POWEROFF;
|
||
|
if ((!poweroff && !reboot) || (halt))
|
||
|
flags |= LOADER_FLAGS_HALT;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
static void setMediaCheck(struct loaderData_s * loaderData, int argc,
|
||
|
char ** argv) {
|
||
|
flags |= LOADER_FLAGS_MEDIACHECK;
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
void runKickstart(struct loaderData_s * loaderData) {
|
||
|
struct ksCommandNames * cmd;
|
||
|
int argc;
|
||
|
char ** argv;
|
||
|
|
||
|
logMessage(INFO, "setting up kickstart");
|
||
|
for (cmd = ksTable; cmd->name; cmd++) {
|
||
|
if ((!ksGetCommand(cmd->code, NULL, &argc, &argv)) && cmd->setupData) {
|
||
|
cmd->setupData(loaderData, argc, argv);
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/* vim:set sw=4 sts=4 et: */
|