/* * Guillaume Cottenceau (gc@mandrakesoft.com) * * Copyright 2000 MandrakeSoft * * This software may be freely redistributed under the terms of the GNU * public license. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ /* * Portions from Erik Troan (ewt@redhat.com) * * Copyright 1996 Red Hat Software * */ #include // dietlibc can do hostname lookup, whereas glibc can't when linked statically :-( #if defined(__dietlibc__) #include #include #include #include #include #include "network.h" #include "log.h" #include "dns.h" int mygethostbyname(char * name, struct in_addr * addr) { struct hostent * h; /* prevent from timeouts */ if (dns_server.s_addr == 0) return -1; h = gethostbyname(name); if (!h) { if (domain) { // gethostbyname from dietlibc doesn't support domain handling char fully_qualified[500]; sprintf(fully_qualified, "%s.%s", name, domain); h = gethostbyname(fully_qualified); if (!h) { log_message("unknown host %s", name); return -1; } } else return -1; } if (h->h_addr_list && (h->h_addr_list)[0]) { memcpy(addr, (h->h_addr_list)[0], sizeof(*addr)); log_message("is-at: %s", inet_ntoa(*addr)); return 0; } return -1; } char * mygethostbyaddr(char * ipnum) { struct in_addr in; struct hostent * host; /* prevent from timeouts */ if (dns_server.s_addr == 0) return NULL; if (!inet_aton(ipnum, &in)) return NULL; host = gethostbyaddr(&(in.s_addr), sizeof(in.s_addr) /* INADDRSZ */, AF_INET); if (host && host->h_name) return host->h_name; return NULL; } #elif defined(__GLIBC__) #include #include #include #include #include #include #include #include #include "log.h" #include "dns.h" /* This is dumb, but glibc doesn't like to do hostname lookups w/o libc.so */ union dns_response { HEADER hdr; u_char buf[PACKETSZ]; } ; static int do_query(char * query, int queryType, char ** domainName, struct in_addr * ipNum) { int len, ancount, type; u_char * data, * end; char name[MAXDNAME]; union dns_response response; #ifdef __sparc__ /* from jj: */ /* We have to wait till ethernet negotiation is done */ _res.retry = 3; #else _res.retry = 2; #endif len = res_search(query, C_IN, queryType, (void *) &response, sizeof(response)); if (len <= 0) return -1; if (ntohs(response.hdr.rcode) != NOERROR) return -1; ancount = ntohs(response.hdr.ancount); if (ancount < 1) return -1; data = response.buf + sizeof(HEADER); end = response.buf + len; /* skip the question */ data += dn_skipname(data, end) + QFIXEDSZ; /* parse the answer(s) */ while (--ancount >= 0 && data < end) { /* skip the domain name portion of the RR record */ data += dn_skipname(data, end); /* get RR information */ GETSHORT(type, data); data += INT16SZ; /* skipp class */ data += INT32SZ; /* skipp TTL */ GETSHORT(len, data); if (type == T_PTR) { /* we got a pointer */ len = dn_expand(response.buf, end, data, name, sizeof(name)); if (len <= 0) return -1; if (queryType == T_PTR && domainName) { /* we wanted a pointer */ *domainName = malloc(strlen(name) + 1); strcpy(*domainName, name); return 0; } } else if (type == T_A) { /* we got an address */ if (queryType == T_A && ipNum) { /* we wanted an address */ memcpy(ipNum, data, sizeof(*ipNum)); return 0; } } /* move ahead to next RR */ data += len; } return -1; } char * mygethostbyaddr(char * ipnum) { int rc; char * result; char * strbuf; char * chptr; char * splits[4]; int i; _res.retry = 1; strbuf = alloca(strlen(ipnum) + 1); strcpy(strbuf, ipnum); ipnum = alloca(strlen(strbuf) + 20); for (i = 0; i < 4; i++) { chptr = strbuf; while (*chptr && *chptr != '.') chptr++; *chptr = '\0'; if (chptr - strbuf > 3) return NULL; splits[i] = strbuf; strbuf = chptr + 1; } sprintf(ipnum, "%s.%s.%s.%s.in-addr.arpa", splits[3], splits[2], splits[1], splits[0]); rc = do_query(ipnum, T_PTR, &result, NULL); if (rc) return NULL; else return result; } int mygethostbyname(char * name, struct in_addr * addr) { int rc = do_query(name, T_A, NULL, addr); if (!rc) log_message("is-at %s", inet_ntoa(*addr)); return rc; } #else #error "Unsupported C library" #endif format.pm?h=15.71'>logtreecommitdiffstats
path: root/perl-install/fs/format.pm
blob: 90f6cc89a9ecc6cba8438ac17095b7cbcc1a1532 (plain) 
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package fs::format; # $Id$

use diagnostics;
use strict;
use String::ShellQuote;

use run_program;
use common;
use fs::type;
use fs::loopback;
use log;

my %cmds = (
    ext2     => [ 'e2fsprogs', 'mkfs.ext2', '-F' ],
    ext3     => [ 'e2fsprogs', 'mkfs.ext3', '-F' ],
    ext4dev     => [ 'e2fsprogs', 'mkfs.ext3', '-F', '-I', '256' ], # FIXME: enable more options once we've better mkfs support
    reiserfs => [ 'reiserfsprogs', 'mkfs.reiserfs', '-ff' ],
    reiser4  => [ 'reiser4progs', 'mkfs.reiser4', '-f', '-y' ],
    xfs      => [ 'xfsprogs', 'mkfs.xfs', '-f', '-q' ],
    jfs      => [ 'jfsutils', 'mkfs.jfs', '-f' ],
    hfs      => [ 'hfsutils', 'hformat' ],
    dos      => [ 'dosfstools', 'mkdosfs' ],
    vfat     => [ 'dosfstools', 'mkdosfs', '-F', '32' ],
    swap     => [ 'util-linux-ng', 'mkswap' ],
    ntfs     => [ 'ntfsprogs', 'mkntfs', '--fast' ],
   'ntfs-3g' => [ 'ntfsprogs', 'mkntfs', '--fast' ],
);

my %LABELs = ( #- option, length, handled_by_mount
    ext2     => [ '-L', 16, 1 ],
    ext3     => [ '-L', 16, 1 ],
    ext4dev     => [ '-L', 16, 1 ],
    reiserfs => [ '-l', 16, 1 ],
    xfs      => [ '-L', 12, 1 ],
    jfs      => [ '-L', 16, 1 ],
    hfs      => [ '-l', 27, 0 ],
    dos      => [ '-n', 11, 0 ],
    vfat     => [ '-n', 11, 0 ],
    swap     => [ '-L', 15, 1 ],
);

sub package_needed_for_partition_type {
    my ($part) = @_;
    my $l = $cmds{$part->{fs_type}} or return;
    $l->[0];
}

sub known_type {
    my ($part) = @_;
    to_bool($cmds{$part->{fs_type}});
}

sub check_package_is_installed {
    my ($do_pkgs, $fs_type) = @_;

    my ($pkg, $binary) = @{$cmds{$fs_type} || return};
    whereis_binary($binary) || $do_pkgs->ensure_binary_is_installed($pkg, $binary); #- ensure_binary_is_installed checks binary chrooted, whereas we run the binary non-chrooted (pb for Mandriva One)
}

sub part {
    my ($all_hds, $part, $wait_message) = @_;
    if (isRAID($part)) {
	$wait_message->(N("Formatting partition %s", $part->{device})) if $wait_message;
	require raid;
	raid::format_part($all_hds->{raids}, $part);
    } elsif (isLoopback($part)) {
	$wait_message->(N("Creating and formatting file %s", $part->{loopback_file})) if $wait_message;
	fs::loopback::format_part($part);
    } else {
	$wait_message->(N("Formatting partition %s", $part->{device})) if $wait_message;
	part_raw($part, $wait_message);
    }
}

sub part_raw {
    my ($part, $wait_message) = @_;

    $part->{isFormatted} and return;

    if ($part->{encrypt_key}) {
	fs::mount::set_loop($part);
    }

    my $dev = $part->{real_device} || $part->{device};

    my @options = if_($part->{toFormatCheck}, "-c");
    log::l("formatting device $dev (type $part->{fs_type})");

    my $fs_type = $part->{fs_type};

    if (member($fs_type, qw(ext2 ext3 ext4dev))) {
	push @options, "-m", "0" if $part->{mntpoint} =~ m|^/home|;
    } elsif (isDos($part)) {
	$fs_type = 'dos';
    } elsif ($fs_type eq 'hfs') {
        push @options, '-l', "Untitled";
    } elsif (isAppleBootstrap($part)) {
	push @options, '-l', 'bootstrap';
    } elsif ($fs_type eq 'swap') {
	push @options, '-U', $part->{device_UUID} if $part->{device_UUID};
    }

    if ($part->{device_LABEL}) {
	if ($LABELs{$fs_type}) {
	    my ($option, $length, $handled_by_mount) = @{$LABELs{$fs_type}};
	    if (length $part->{device_LABEL} > $length) {
		my $short = substr($part->{device_LABEL}, 0, $length);
		log::l("shortening LABEL $part->{device_LABEL} to $short");
		$part->{device_LABEL} = $short;
	    }
	    delete $part->{prefer_device_LABEL}
	      if !$handled_by_mount || $part->{mntpoint} eq '/' && !member($fs_type, qw(ext2 ext3 ext4dev));

	    push @options, $option, $part->{device_LABEL};
	} else {
	    log::l("dropping LABEL=$part->{device_LABEL} since we don't know how to set labels for fs_type $part->{fs_type}");
	    delete $part->{device_LABEL};
	    delete $part->{prefer_device_LABEL};
	}
    }

    my ($_pkg, $cmd, @first_options) = @{$cmds{$fs_type} || die N("I do not know how to format %s in type %s", $part->{device}, $part->{fs_type})};

    my @args = ($cmd, @first_options, @options, devices::make($dev));

    if ($cmd eq 'mkfs.ext3' && $wait_message) {
	mkfs_ext3($wait_message, @args) or die N("%s formatting of %s failed", $fs_type, $dev);
    } else {
	run_program::raw({ timeout => 'never' }, @args) or die N("%s formatting of %s failed", $fs_type, $dev);
    }

    if (member($fs_type, qw(ext3 ext4dev))) {
	disable_forced_fsck($dev);
    }

    my $p = fs::type::type_subpart_from_magic($part);
    $part->{device_UUID} = $p && $p->{device_UUID};

    set_isFormatted($part, 1);
}

sub mkfs_ext3 {
    my ($wait_message, @args) = @_;

    my $cmd = shell_quote_best_effort(@args);
    log::l("running: $cmd");
    open(my $F, "$cmd |");

    local $/ = "\b";
    local $_;
    while (<$F>) {
	#- even if it still takes some time when format is over, we don't want the progress bar to stay at 85%
	$wait_message->('', $1, $2) if m!^\s*(\d+)/(\d+)\b!;
    }
    return close($F);
}

sub disable_forced_fsck {
    my ($dev) = @_;
    run_program::run("tune2fs", "-c0", "-i0", devices::make($dev));
}

sub formatMount_part {
    my ($part, $all_hds, $fstab, $wait_message) = @_;

    if (isLoopback($part)) {
	formatMount_part($part->{loopback_device}, $all_hds, $fstab, $wait_message);
    }
    if (my $p = fs::get::up_mount_point($part->{mntpoint}, $fstab)) {
	formatMount_part($p, $all_hds, $fstab, $wait_message) if !fs::type::carry_root_loopback($part);
    }
    if ($part->{toFormat}) {
	fs::format::part($all_hds, $part, $wait_message);
    }

    #- setting user_xattr on /home (or "/" if no /home)
    if (!$part->{isMounted} && member($part->{fs_type}, qw(ext3 ext4dev))
	  && ($part->{mntpoint} eq '/home' ||
		!fs::get::has_mntpoint('/home', $all_hds) && $part->{mntpoint} eq '/')) {
	run_program::run('tune2fs', '-o', 'user_xattr', devices::make($part->{real_device} || $part->{device}));
    }

    fs::mount::part($part, 0, $wait_message);
}

sub formatMount_all {
    my ($all_hds, $fstab, $wait_message) = @_;
    formatMount_part($_, $all_hds, $fstab, $wait_message) 
      foreach sort { isLoopback($a) ? 1 : isSwap($a) ? -1 : 0 } grep { $_->{mntpoint} } @$fstab;

    #- ensure the link is there
    fs::loopback::carryRootCreateSymlink($_) foreach @$fstab;

    #- for fun :)
    #- that way, when install exits via ctrl-c, it gives hand to partition
    eval {
	my ($_type, $major, $minor) = devices::entry(fs::get::root($fstab)->{device});
	output "/proc/sys/kernel/real-root-dev", makedev($major, $minor);
    };
}


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