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NetBSD/usr.sbin/sysinst/disks.c

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/* $NetBSD: disks.c,v 1.67 2020/05/12 17:26:43 martin Exp $ */
/*
* Copyright 1997 Piermont Information Systems Inc.
* All rights reserved.
*
* Written by Philip A. Nelson for Piermont Information Systems Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of Piermont Information Systems Inc. may not be used to endorse
* or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY PIERMONT INFORMATION SYSTEMS INC. ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL PIERMONT INFORMATION SYSTEMS INC. BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*
*/
/* disks.c -- routines to deal with finding disks and labeling disks. */
#include <assert.h>
#include <errno.h>
#include <inttypes.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <fnmatch.h>
#include <util.h>
#include <uuid.h>
#include <paths.h>
#include <fstab.h>
#include <sys/param.h>
#include <sys/sysctl.h>
#include <sys/swap.h>
#include <sys/disklabel_gpt.h>
#include <ufs/ufs/dinode.h>
#include <ufs/ffs/fs.h>
#include <dev/scsipi/scsipi_all.h>
#include <sys/scsiio.h>
#include <dev/ata/atareg.h>
#include <sys/ataio.h>
#include "defs.h"
#include "md.h"
#include "msg_defs.h"
#include "menu_defs.h"
#include "txtwalk.h"
/* #define DEBUG_VERBOSE 1 */
/* Disk descriptions */
struct disk_desc {
char dd_name[SSTRSIZE];
char dd_descr[256];
bool dd_no_mbr, dd_no_part;
uint dd_cyl;
uint dd_head;
uint dd_sec;
uint dd_secsize;
daddr_t dd_totsec;
};
#define NAME_PREFIX "NAME="
static const char name_prefix[] = NAME_PREFIX;
/* things we could have as /sbin/newfs_* and /sbin/fsck_* */
static const char *extern_fs_with_chk[] = {
"ext2fs", "lfs", "msdos", "v7fs"
};
/* things we could have as /sbin/newfs_* but not /sbin/fsck_* */
static const char *extern_fs_newfs_only[] = {
"sysvbfs", "udf"
};
/* Local prototypes */
static int found_fs(struct data *, size_t, const struct lookfor*);
static int found_fs_nocheck(struct data *, size_t, const struct lookfor*);
static int fsck_preen(const char *, const char *, bool silent);
static void fixsb(const char *, const char *);
static bool tmpfs_on_var_shm(void);
const char *
getfslabelname(uint f, uint f_version)
{
if (f == FS_TMPFS)
return "tmpfs";
else if (f == FS_MFS)
return "mfs";
else if (f == FS_BSDFFS && f_version > 0)
return f_version == 2 ?
msg_string(MSG_fs_type_ffsv2) : msg_string(MSG_fs_type_ffs);
else if (f == FS_EX2FS && f_version == 1)
return msg_string(MSG_fs_type_ext2old);
else if (f >= __arraycount(fstypenames) || fstypenames[f] == NULL)
return "invalid";
return fstypenames[f];
}
/*
* Decide wether we want to mount a tmpfs on /var/shm: we do this always
* when the machine has more than 16 MB of user memory. On smaller machines,
* shm_open() and friends will not perform well anyway.
*/
static bool
tmpfs_on_var_shm()
{
uint64_t ram;
size_t len;
len = sizeof(ram);
if (sysctlbyname("hw.usermem64", &ram, &len, NULL, 0))
return false;
return ram > 16 * MEG;
}
/* from src/sbin/atactl/atactl.c
* extract_string: copy a block of bytes out of ataparams and make
* a proper string out of it, truncating trailing spaces and preserving
* strict typing. And also, not doing unaligned accesses.
*/
static void
ata_extract_string(char *buf, size_t bufmax,
uint8_t *bytes, unsigned numbytes,
int needswap)
{
unsigned i;
size_t j;
unsigned char ch1, ch2;
for (i = 0, j = 0; i < numbytes; i += 2) {
ch1 = bytes[i];
ch2 = bytes[i+1];
if (needswap && j < bufmax-1) {
buf[j++] = ch2;
}
if (j < bufmax-1) {
buf[j++] = ch1;
}
if (!needswap && j < bufmax-1) {
buf[j++] = ch2;
}
}
while (j > 0 && buf[j-1] == ' ') {
j--;
}
buf[j] = '\0';
}
/*
* from src/sbin/scsictl/scsi_subr.c
*/
#define STRVIS_ISWHITE(x) ((x) == ' ' || (x) == '\0' || (x) == (u_char)'\377')
static void
scsi_strvis(char *sdst, size_t dlen, const char *ssrc, size_t slen)
{
u_char *dst = (u_char *)sdst;
const u_char *src = (const u_char *)ssrc;
/* Trim leading and trailing blanks and NULs. */
while (slen > 0 && STRVIS_ISWHITE(src[0]))
++src, --slen;
while (slen > 0 && STRVIS_ISWHITE(src[slen - 1]))
--slen;
while (slen > 0) {
if (*src < 0x20 || *src >= 0x80) {
/* non-printable characters */
dlen -= 4;
if (dlen < 1)
break;
*dst++ = '\\';
*dst++ = ((*src & 0300) >> 6) + '0';
*dst++ = ((*src & 0070) >> 3) + '0';
*dst++ = ((*src & 0007) >> 0) + '0';
} else if (*src == '\\') {
/* quote characters */
dlen -= 2;
if (dlen < 1)
break;
*dst++ = '\\';
*dst++ = '\\';
} else {
/* normal characters */
if (--dlen < 1)
break;
*dst++ = *src;
}
++src, --slen;
}
*dst++ = 0;
}
static int
get_descr_scsi(struct disk_desc *dd)
{
struct scsipi_inquiry_data inqbuf;
struct scsipi_inquiry cmd;
scsireq_t req;
/* x4 in case every character is escaped, +1 for NUL. */
char vendor[(sizeof(inqbuf.vendor) * 4) + 1],
product[(sizeof(inqbuf.product) * 4) + 1],
revision[(sizeof(inqbuf.revision) * 4) + 1];
char size[5];
memset(&inqbuf, 0, sizeof(inqbuf));
memset(&cmd, 0, sizeof(cmd));
memset(&req, 0, sizeof(req));
cmd.opcode = INQUIRY;
cmd.length = sizeof(inqbuf);
memcpy(req.cmd, &cmd, sizeof(cmd));
req.cmdlen = sizeof(cmd);
req.databuf = &inqbuf;
req.datalen = sizeof(inqbuf);
req.timeout = 10000;
req.flags = SCCMD_READ;
req.senselen = SENSEBUFLEN;
if (!disk_ioctl(dd->dd_name, SCIOCCOMMAND, &req)
|| req.retsts != SCCMD_OK)
return 0;
scsi_strvis(vendor, sizeof(vendor), inqbuf.vendor,
sizeof(inqbuf.vendor));
scsi_strvis(product, sizeof(product), inqbuf.product,
sizeof(inqbuf.product));
scsi_strvis(revision, sizeof(revision), inqbuf.revision,
sizeof(inqbuf.revision));
humanize_number(size, sizeof(size),
(uint64_t)dd->dd_secsize * (uint64_t)dd->dd_totsec,
"", HN_AUTOSCALE, HN_B | HN_NOSPACE | HN_DECIMAL);
snprintf(dd->dd_descr, sizeof(dd->dd_descr),
"%s (%s, %s %s)",
dd->dd_name, size, vendor, product);
return 1;
}
static int
get_descr_ata(struct disk_desc *dd)
{
struct atareq req;
static union {
unsigned char inbuf[DEV_BSIZE];
struct ataparams inqbuf;
} inbuf;
struct ataparams *inqbuf = &inbuf.inqbuf;
char model[sizeof(inqbuf->atap_model)+1];
char size[5];
int needswap = 0;
memset(&inbuf, 0, sizeof(inbuf));
memset(&req, 0, sizeof(req));
req.flags = ATACMD_READ;
req.command = WDCC_IDENTIFY;
req.databuf = (void *)&inbuf;
req.datalen = sizeof(inbuf);
req.timeout = 1000;
if (!disk_ioctl(dd->dd_name, ATAIOCCOMMAND, &req)
|| req.retsts != ATACMD_OK)
return 0;
#if BYTE_ORDER == LITTLE_ENDIAN
/*
* On little endian machines, we need to shuffle the string
* byte order. However, we don't have to do this for NEC or
* Mitsumi ATAPI devices
*/
if (!(inqbuf->atap_config != WDC_CFG_CFA_MAGIC &&
(inqbuf->atap_config & WDC_CFG_ATAPI) &&
((inqbuf->atap_model[0] == 'N' &&
inqbuf->atap_model[1] == 'E') ||
(inqbuf->atap_model[0] == 'F' &&
inqbuf->atap_model[1] == 'X')))) {
needswap = 1;
}
#endif
ata_extract_string(model, sizeof(model),
inqbuf->atap_model, sizeof(inqbuf->atap_model), needswap);
humanize_number(size, sizeof(size),
(uint64_t)dd->dd_secsize * (uint64_t)dd->dd_totsec,
"", HN_AUTOSCALE, HN_B | HN_NOSPACE | HN_DECIMAL);
snprintf(dd->dd_descr, sizeof(dd->dd_descr), "%s (%s, %s)",
dd->dd_name, size, model);
return 1;
}
static void
get_descr(struct disk_desc *dd)
{
char size[5];
dd->dd_descr[0] = '\0';
/* try ATA */
if (get_descr_ata(dd))
goto done;
/* try SCSI */
if (get_descr_scsi(dd))
goto done;
/* XXX: identify for ld @ NVME or microSD */
/* XXX: get description from raid, cgd, vnd... */
done:
/* punt, just give some generic info */
humanize_number(size, sizeof(size),
(uint64_t)dd->dd_secsize * (uint64_t)dd->dd_totsec,
"", HN_AUTOSCALE, HN_B | HN_NOSPACE | HN_DECIMAL);
snprintf(dd->dd_descr, sizeof(dd->dd_descr),
"%s (%s)", dd->dd_name, size);
}
/*
* State for helper callback for get_default_cdrom
*/
struct default_cdrom_data {
char *device;
size_t max_len;
bool found;
};
/*
* Helper function for get_default_cdrom, gets passed a device
* name and a void pointer to default_cdrom_data.
*/
static bool
get_default_cdrom_helper(void *state, const char *dev)
{
struct default_cdrom_data *data = state;
if (!is_cdrom_device(dev, false))
return true;
strlcpy(data->device, dev, data->max_len);
strlcat(data->device, "a", data->max_len); /* default to partition a */
data->found = true;
return false; /* one is enough, stop iteration */
}
/*
* Set the argument to the name of the first CD devices actually
* available, leave it unmodified otherwise.
* Return true if a device has been found.
*/
bool
get_default_cdrom(char *cd, size_t max_len)
{
struct default_cdrom_data state;
state.device = cd;
state.max_len = max_len;
state.found = false;
if (enumerate_disks(&state, get_default_cdrom_helper))
return state.found;
return false;
}
static bool
get_wedge_descr(struct disk_desc *dd)
{
struct dkwedge_info dkw;
if (!get_wedge_info(dd->dd_name, &dkw))
return false;
snprintf(dd->dd_descr, sizeof(dd->dd_descr), "%s (%s@%s)",
dkw.dkw_wname, dkw.dkw_devname, dkw.dkw_parent);
return true;
}
static bool
get_name_and_parent(const char *dev, char *name, char *parent)
{
struct dkwedge_info dkw;
if (!get_wedge_info(dev, &dkw))
return false;
strcpy(name, (const char *)dkw.dkw_wname);
strcpy(parent, dkw.dkw_parent);
return true;
}
static bool
find_swap_part_on(const char *dev, char *swap_name)
{
struct dkwedge_list dkwl;
struct dkwedge_info *dkw;
u_int i;
bool res = false;
if (!get_wedge_list(dev, &dkwl))
return false;
dkw = dkwl.dkwl_buf;
for (i = 0; i < dkwl.dkwl_nwedges; i++) {
res = strcmp(dkw[i].dkw_ptype, DKW_PTYPE_SWAP) == 0;
if (res) {
strcpy(swap_name, (const char*)dkw[i].dkw_wname);
break;
}
}
free(dkwl.dkwl_buf);
return res;
}
static bool
is_ffs_wedge(const char *dev)
{
struct dkwedge_info dkw;
if (!get_wedge_info(dev, &dkw))
return false;
return strcmp(dkw.dkw_ptype, DKW_PTYPE_FFS) == 0;
}
/*
* Does this device match an entry in our default CDROM device list?
* If looking for install targets, we also flag floopy devices.
*/
bool
is_cdrom_device(const char *dev, bool as_target)
{
static const char *target_devices[] = {
#ifdef CD_NAMES
CD_NAMES
#endif
#if defined(CD_NAMES) && defined(FLOPPY_NAMES)
,
#endif
#ifdef FLOPPY_NAMES
FLOPPY_NAMES
#endif
#if defined(CD_NAMES) || defined(FLOPPY_NAMES)
,
#endif
0
};
static const char *src_devices[] = {
#ifdef CD_NAMES
CD_NAMES ,
#endif
0
};
for (const char **dev_pat = as_target ? target_devices : src_devices;
*dev_pat; dev_pat++)
if (fnmatch(*dev_pat, dev, 0) == 0)
return true;
return false;
}
/* does this device match any entry in the driver list? */
static bool
dev_in_list(const char *dev, const char **list)
{
for ( ; *list; list++) {
size_t len = strlen(*list);
/* start of name matches? */
if (strncmp(dev, *list, len) == 0) {
char *endp;
int e;
/* remainder of name is a decimal number? */
strtou(dev+len, &endp, 10, 0, INT_MAX, &e);
if (endp && *endp == 0 && e == 0)
return true;
}
}
return false;
}
bool
is_bootable_device(const char *dev)
{
static const char *non_bootable_devs[] = {
"raid", /* bootcode lives outside of raid */
"xbd", /* xen virtual device, can not boot from that */
NULL
};
return !dev_in_list(dev, non_bootable_devs);
}
bool
is_partitionable_device(const char *dev)
{
static const char *non_partitionable_devs[] = {
"dk", /* this is already a partitioned slice */
NULL
};
return !dev_in_list(dev, non_partitionable_devs);
}
/*
* Multi-purpose helper function:
* iterate all known disks, invoke a callback for each.
* Stop iteration when the callback returns false.
* Return true when iteration actually happend, false on error.
*/
bool
enumerate_disks(void *state, bool (*func)(void *state, const char *dev))
{
static const int mib[] = { CTL_HW, HW_DISKNAMES };
static const unsigned int miblen = __arraycount(mib);
const char *xd;
char *disk_names;
size_t len;
if (sysctl(mib, miblen, NULL, &len, NULL, 0) == -1)
return false;
disk_names = malloc(len);
if (disk_names == NULL)
return false;
if (sysctl(mib, miblen, disk_names, &len, NULL, 0) == -1) {
free(disk_names);
return false;
}
for (xd = strtok(disk_names, " "); xd != NULL; xd = strtok(NULL, " ")) {
if (!(*func)(state, xd))
break;
}
free(disk_names);
return true;
}
/*
* Helper state for get_disks
*/
struct get_disks_state {
int numdisks;
struct disk_desc *dd;
bool with_non_partitionable;
};
/*
* Helper function for get_disks enumartion
*/
static bool
get_disks_helper(void *arg, const char *dev)
{
struct get_disks_state *state = arg;
struct disk_geom geo;
/* is this a CD device? */
if (is_cdrom_device(dev, true))
return true;
memset(state->dd, 0, sizeof(*state->dd));
strlcpy(state->dd->dd_name, dev, sizeof state->dd->dd_name - 2);
state->dd->dd_no_mbr = !is_bootable_device(dev);
state->dd->dd_no_part = !is_partitionable_device(dev);
if (state->dd->dd_no_part && !state->with_non_partitionable)
return true;
if (!get_disk_geom(state->dd->dd_name, &geo)) {
if (errno == ENOENT)
return true;
if (errno != ENOTTY || !state->dd->dd_no_part)
/*
* Allow plain partitions,
* like already existing wedges
* (like dk0) if marked as
* non-partitioning device.
* For all other cases, continue
* with the next disk.
*/
return true;
if (!is_ffs_wedge(state->dd->dd_name))
return true;
}
/*
* Exclude a disk mounted as root partition,
* in case of install-image on a USB memstick.
*/
if (is_active_rootpart(state->dd->dd_name,
state->dd->dd_no_part ? -1 : 0))
return true;
state->dd->dd_cyl = geo.dg_ncylinders;
state->dd->dd_head = geo.dg_ntracks;
state->dd->dd_sec = geo.dg_nsectors;
state->dd->dd_secsize = geo.dg_secsize;
state->dd->dd_totsec = geo.dg_secperunit;
if (!state->dd->dd_no_part || !get_wedge_descr(state->dd))
get_descr(state->dd);
state->dd++;
state->numdisks++;
if (state->numdisks == MAX_DISKS)
return false;
return true;
}
/*
* Get all disk devices that are not CDs.
* Optionally leave out those that can not be partitioned further.
*/
static int
get_disks(struct disk_desc *dd, bool with_non_partitionable)
{
struct get_disks_state state;
/* initialize */
state.numdisks = 0;
state.dd = dd;
state.with_non_partitionable = with_non_partitionable;
if (enumerate_disks(&state, get_disks_helper))
return state.numdisks;
return 0;
}
#ifdef DEBUG_VERBOSE
static void
dump_parts(const struct disk_partitions *parts)
{
fprintf(stderr, "%s partitions on %s:\n",
MSG_XLAT(parts->pscheme->short_name), parts->disk);
for (size_t p = 0; p < parts->num_part; p++) {
struct disk_part_info info;
if (parts->pscheme->get_part_info(
parts, p, &info)) {
fprintf(stderr, " #%zu: start: %" PRIu64 " "
"size: %" PRIu64 ", flags: %x\n",
p, info.start, info.size,
info.flags);
if (info.nat_type)
fprintf(stderr, "\ttype: %s\n",
info.nat_type->description);
} else {
fprintf(stderr, "failed to get info "
"for partition #%zu\n", p);
}
}
fprintf(stderr, "%" PRIu64 " sectors free, disk size %" PRIu64
" sectors, %zu partitions used\n", parts->free_space,
parts->disk_size, parts->num_part);
}
#endif
static bool
delete_scheme(struct pm_devs *p)
{
if (!ask_noyes(MSG_removepartswarn))
return false;
p->parts->pscheme->free(p->parts);
p->parts = NULL;
return true;
}
static void
convert_copy(struct disk_partitions *old_parts,
struct disk_partitions *new_parts)
{
struct disk_part_info oinfo, ninfo;
part_id i;
for (i = 0; i < old_parts->num_part; i++) {
if (!old_parts->pscheme->get_part_info(old_parts, i, &oinfo))
continue;
if (oinfo.flags & PTI_PSCHEME_INTERNAL)
continue;
if (oinfo.flags & PTI_SEC_CONTAINER) {
if (old_parts->pscheme->secondary_partitions) {
struct disk_partitions *sec_part =
old_parts->pscheme->
secondary_partitions(
old_parts, oinfo.start, false);
if (sec_part)
convert_copy(sec_part, new_parts);
}
continue;
}
if (!new_parts->pscheme->adapt_foreign_part_info(new_parts,
&ninfo, old_parts->pscheme, &oinfo))
continue;
new_parts->pscheme->add_partition(new_parts, &ninfo, NULL);
}
}
bool
convert_scheme(struct pm_devs *p, bool is_boot_drive, const char **err_msg)
{
struct disk_partitions *old_parts, *new_parts;
const struct disk_partitioning_scheme *new_scheme;
*err_msg = NULL;
old_parts = p->parts;
new_scheme = select_part_scheme(p, old_parts->pscheme,
false, MSG_select_other_partscheme);
if (new_scheme == NULL)
return false;
new_parts = new_scheme->create_new_for_disk(p->diskdev,
0, p->dlsize, is_boot_drive, NULL);
if (new_parts == NULL)
return false;
convert_copy(old_parts, new_parts);
if (new_parts->num_part == 0) {
/* need to cleanup */
new_parts->pscheme->free(new_parts);
return false;
}
old_parts->pscheme->free(old_parts);
p->parts = new_parts;
return true;
}
static struct pm_devs *
dummy_whole_system_pm(void)
{
static struct pm_devs whole_system = {
.diskdev = "/",
.no_mbr = true,
.no_part = true,
.cur_system = true,
};
static bool init = false;
if (!init) {
strlcpy(whole_system.diskdev_descr,
msg_string(MSG_running_system),
sizeof whole_system.diskdev_descr);
}
return &whole_system;
}
int
find_disks(const char *doingwhat, bool allow_cur_system)
{
struct disk_desc disks[MAX_DISKS];
/* need two more menu entries: current system + extended partitioning */
menu_ent dsk_menu[__arraycount(disks) + 2];
struct disk_desc *disk;
int i = 0, skipped = 0;
int already_found, numdisks, selected_disk = -1;
int menu_no;
struct pm_devs *pm_i, *pm_last = NULL;
memset(dsk_menu, 0, sizeof(dsk_menu));
/* Find disks. */
numdisks = get_disks(disks, partman_go <= 0);
/* need a redraw here, kernel messages hose everything */
touchwin(stdscr);
refresh();
/* Kill typeahead, it won't be what the user had in mind */
fpurge(stdin);
/*
* partman_go: <0 - we want to see menu with extended partitioning
* ==0 - we want to see simple select disk menu
* >0 - we do not want to see any menus, just detect
* all disks
*/
if (partman_go <= 0) {
if (numdisks == 0 && !allow_cur_system) {
/* No disks found! */
hit_enter_to_continue(MSG_nodisk, NULL);
/*endwin();*/
return -1;
} else {
/* One or more disks found or current system allowed */
i = 0;
if (allow_cur_system) {
dsk_menu[i].opt_name = MSG_running_system;
dsk_menu[i].opt_flags = OPT_EXIT;
dsk_menu[i].opt_action = set_menu_select;
i++;
}
for (; i < numdisks+allow_cur_system; i++) {
dsk_menu[i].opt_name =
disks[i-allow_cur_system].dd_descr;
dsk_menu[i].opt_flags = OPT_EXIT;
dsk_menu[i].opt_action = set_menu_select;
}
if (partman_go < 0) {
dsk_menu[i].opt_name = MSG_partman;
dsk_menu[i].opt_flags = OPT_EXIT;
dsk_menu[i].opt_action = set_menu_select;
i++;
}
menu_no = new_menu(MSG_Available_disks,
dsk_menu, i, -1,
4, 0, 0, MC_SCROLL,
NULL, NULL, NULL, NULL, MSG_exit_menu_generic);
if (menu_no == -1)
return -1;
msg_fmt_display(MSG_ask_disk, "%s", doingwhat);
process_menu(menu_no, &selected_disk);
free_menu(menu_no);
if (allow_cur_system) {
if (selected_disk == 0) {
pm = dummy_whole_system_pm();
return 1;
} else {
selected_disk--;
}
}
}
if (partman_go < 0 && selected_disk == numdisks) {
partman_go = 1;
return -2;
} else
partman_go = 0;
if (selected_disk < 0 || selected_disk >= numdisks)
return -1;
}
/* Fill pm struct with device(s) info */
for (i = 0; i < numdisks; i++) {
if (! partman_go)
disk = disks + selected_disk;
else {
disk = disks + i;
already_found = 0;
SLIST_FOREACH(pm_i, &pm_head, l) {
pm_last = pm_i;
if (strcmp(pm_i->diskdev, disk->dd_name) == 0) {
already_found = 1;
break;
}
}
if (pm_i != NULL && already_found) {
/*
* We already added this device, but
* partitions might have changed
*/
if (!pm_i->found) {
pm_i->found = true;
if (pm_i->parts == NULL) {
pm_i->parts =
partitions_read_disk(
pm_i->diskdev,
disk->dd_totsec,
disk->dd_secsize,
disk->dd_no_mbr);
}
}
continue;
}
}
pm = pm_new;
pm->found = 1;
pm->ptstart = 0;
pm->ptsize = 0;
strlcpy(pm->diskdev, disk->dd_name, sizeof pm->diskdev);
strlcpy(pm->diskdev_descr, disk->dd_descr, sizeof pm->diskdev_descr);
/* Use as a default disk if the user has the sets on a local disk */
strlcpy(localfs_dev, disk->dd_name, sizeof localfs_dev);
/*
* Init disk size and geometry
*/
pm->sectorsize = disk->dd_secsize;
pm->dlcyl = disk->dd_cyl;
pm->dlhead = disk->dd_head;
pm->dlsec = disk->dd_sec;
pm->dlsize = disk->dd_totsec;
if (pm->dlsize == 0)
pm->dlsize =
disk->dd_cyl * disk->dd_head * disk->dd_sec;
pm->parts = partitions_read_disk(pm->diskdev,
pm->dlsize, disk->dd_secsize, disk->dd_no_mbr);
again:
#ifdef DEBUG_VERBOSE
if (pm->parts) {
fputs("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n", stderr);
dump_parts(pm->parts);
if (pm->parts->pscheme->secondary_partitions) {
const struct disk_partitions *sparts =
pm->parts->pscheme->secondary_partitions(
pm->parts, pm->ptstart, false);
if (sparts != NULL)
dump_parts(sparts);
}
}
#endif
pm->no_mbr = disk->dd_no_mbr;
pm->no_part = disk->dd_no_part;
if (!pm->no_part) {
pm->sectorsize = disk->dd_secsize;
pm->dlcyl = disk->dd_cyl;
pm->dlhead = disk->dd_head;
pm->dlsec = disk->dd_sec;
pm->dlsize = disk->dd_totsec;
if (pm->dlsize == 0)
pm->dlsize =
disk->dd_cyl * disk->dd_head * disk->dd_sec;
if (pm->parts && pm->parts->pscheme->size_limit != 0
&& pm->dlsize > pm->parts->pscheme->size_limit
&& ! partman_go) {
char size[5], limit[5];
humanize_number(size, sizeof(size),
(uint64_t)pm->dlsize * pm->sectorsize,
"", HN_AUTOSCALE, HN_B | HN_NOSPACE
| HN_DECIMAL);
humanize_number(limit, sizeof(limit),
(uint64_t)pm->parts->pscheme->size_limit
* 512U,
"", HN_AUTOSCALE, HN_B | HN_NOSPACE
| HN_DECIMAL);
if (logfp)
fprintf(logfp,
"disk %s: is too big (%" PRIu64
" blocks, %s), will be truncated\n",
pm->diskdev, pm->dlsize,
size);
msg_display_subst(MSG_toobigdisklabel, 5,
pm->diskdev,
msg_string(pm->parts->pscheme->name),
msg_string(pm->parts->pscheme->short_name),
size, limit);
int sel = -1;
const char *err = NULL;
process_menu(MENU_convertscheme, &sel);
if (sel == 1) {
if (!delete_scheme(pm)) {
return -1;
}
goto again;
} else if (sel == 2) {
if (!convert_scheme(pm,
partman_go < 0, &err)) {
if (err != NULL)
err_msg_win(err);
return -1;
}
goto again;
} else if (sel == 3) {
return -1;
}
pm->dlsize = pm->parts->pscheme->size_limit;
}
} else {
pm->sectorsize = 0;
pm->dlcyl = 0;
pm->dlhead = 0;
pm->dlsec = 0;
pm->dlsize = 0;
pm->no_mbr = 1;
}
pm->dlcylsize = pm->dlhead * pm->dlsec;
if (partman_go) {
pm_getrefdev(pm_new);
if (SLIST_EMPTY(&pm_head) || pm_last == NULL)
SLIST_INSERT_HEAD(&pm_head, pm_new, l);
else
SLIST_INSERT_AFTER(pm_last, pm_new, l);
pm_new = malloc(sizeof (struct pm_devs));
memset(pm_new, 0, sizeof *pm_new);
} else
/* We are not in partman and do not want to process
* all devices, exit */
break;
}
return numdisks-skipped;
}
static int
sort_part_usage_by_mount(const void *a, const void *b)
{
const struct part_usage_info *pa = a, *pb = b;
/* sort all real partitions by mount point */
if ((pa->instflags & PUIINST_MOUNT) &&
(pb->instflags & PUIINST_MOUNT))
return strcmp(pa->mount, pb->mount);
/* real partitions go first */
if (pa->instflags & PUIINST_MOUNT)
return -1;
if (pb->instflags & PUIINST_MOUNT)
return 1;
/* arbitrary order for all other partitions */
if (pa->type == PT_swap)
return -1;
if (pb->type == PT_swap)
return 1;
if (pa->type < pb->type)
return -1;
if (pa->type > pb->type)
return 1;
if (pa->cur_part_id < pb->cur_part_id)
return -1;
if (pa->cur_part_id > pb->cur_part_id)
return 1;
return (uintptr_t)a < (uintptr_t)b ? -1 : 1;
}
int
make_filesystems(struct install_partition_desc *install)
{
int error = 0, partno = -1;
char *newfs = NULL, devdev[PATH_MAX], rdev[PATH_MAX];
size_t i;
struct part_usage_info *ptn;
struct disk_partitions *parts;
const char *mnt_opts = NULL, *fsname = NULL;
if (pm->cur_system)
return 1;
if (pm->no_part) {
/* check if this target device already has a ffs */
snprintf(rdev, sizeof rdev, _PATH_DEV "/r%s", pm->diskdev);
error = fsck_preen(rdev, "ffs", true);
if (error) {
if (!ask_noyes(MSG_No_filesystem_newfs))
return EINVAL;
error = run_program(RUN_DISPLAY | RUN_PROGRESS,
"/sbin/newfs -V2 -O2 %s", rdev);
}
md_pre_mount(install, 0);
make_target_dir("/");
snprintf(devdev, sizeof devdev, _PATH_DEV "%s", pm->diskdev);
error = target_mount_do("-o async", devdev, "/");
if (error) {
msg_display_subst(MSG_mountfail, 2, devdev, "/");
hit_enter_to_continue(NULL, NULL);
}
return error;
}
/* Making new file systems and mounting them */
/* sort to ensure /usr/local is mounted after /usr (etc) */
qsort(install->infos, install->num, sizeof(*install->infos),
sort_part_usage_by_mount);
for (i = 0; i < install->num; i++) {
/*
* Newfs all file systems mareked as needing this.
* Mount the ones that have a mountpoint in the target.
*/
ptn = &install->infos[i];
parts = ptn->parts;
newfs = NULL;
fsname = NULL;
if (ptn->size == 0 || parts == NULL|| ptn->type == PT_swap)
continue;
if (parts->pscheme->get_part_device(parts, ptn->cur_part_id,
devdev, sizeof devdev, &partno, parent_device_only, false,
false) && is_active_rootpart(devdev, partno))
continue;
parts->pscheme->get_part_device(parts, ptn->cur_part_id,
devdev, sizeof devdev, &partno, plain_name, true, true);
parts->pscheme->get_part_device(parts, ptn->cur_part_id,
rdev, sizeof rdev, &partno, raw_dev_name, true, true);
switch (ptn->fs_type) {
case FS_APPLEUFS:
asprintf(&newfs, "/sbin/newfs");
mnt_opts = "-tffs -o async";
fsname = "ffs";
break;
case FS_BSDFFS:
asprintf(&newfs,
"/sbin/newfs -V2 -O %d",
ptn->fs_version == 2 ? 2 : 1);
if (ptn->mountflags & PUIMNT_LOG)
mnt_opts = "-tffs -o log";
else
mnt_opts = "-tffs -o async";
fsname = "ffs";
break;
case FS_BSDLFS:
asprintf(&newfs, "/sbin/newfs_lfs");
mnt_opts = "-tlfs";
fsname = "lfs";
break;
case FS_MSDOS:
asprintf(&newfs, "/sbin/newfs_msdos");
mnt_opts = "-tmsdos";
fsname = "msdos";
break;
case FS_SYSVBFS:
asprintf(&newfs, "/sbin/newfs_sysvbfs");
mnt_opts = "-tsysvbfs";
fsname = "sysvbfs";
break;
case FS_V7:
asprintf(&newfs, "/sbin/newfs_v7fs");
mnt_opts = "-tv7fs";
fsname = "v7fs";
break;
case FS_EX2FS:
asprintf(&newfs,
ptn->fs_version == 1 ?
"/sbin/newfs_ext2fs -O 0" :
"/sbin/newfs_ext2fs");
mnt_opts = "-text2fs";
fsname = "ext2fs";
break;
}
if ((ptn->instflags & PUIINST_NEWFS) && newfs != NULL) {
if (ptn->fs_type == FS_MSDOS) {
/* newfs only if mount fails */
if (run_program(RUN_SILENT | RUN_ERROR_OK,
"mount -rt msdos %s /mnt2", devdev) != 0)
error = run_program(
RUN_DISPLAY | RUN_PROGRESS,
"%s %s",
newfs, rdev);
else {
run_program(RUN_SILENT | RUN_ERROR_OK,
"umount /mnt2");
error = 0;
}
} else {
error = run_program(RUN_DISPLAY | RUN_PROGRESS,
"%s %s", newfs, rdev);
}
} else if ((ptn->instflags & (PUIINST_MOUNT|PUIINST_BOOT))
&& fsname != NULL) {
/* We'd better check it isn't dirty */
error = fsck_preen(devdev, fsname, false);
}
free(newfs);
if (error != 0)
return error;
ptn->instflags &= ~PUIINST_NEWFS;
md_pre_mount(install, i);
if (partman_go == 0 && (ptn->instflags & PUIINST_MOUNT) &&
mnt_opts != NULL) {
make_target_dir(ptn->mount);
error = target_mount_do(mnt_opts, devdev,
ptn->mount);
if (error) {
msg_display_subst(MSG_mountfail, 2, devdev,
ptn->mount);
hit_enter_to_continue(NULL, NULL);
return error;
}
}
}
return 0;
}
int
make_fstab(struct install_partition_desc *install)
{
FILE *f;
const char *dump_dev = NULL;
const char *dev;
char dev_buf[PATH_MAX], swap_dev[PATH_MAX];
if (pm->cur_system)
return 1;
swap_dev[0] = 0;
/* Create the fstab. */
make_target_dir("/etc");
f = target_fopen("/etc/fstab", "w");
scripting_fprintf(NULL, "cat <<EOF >%s/etc/fstab\n", target_prefix());
if (logfp)
(void)fprintf(logfp,
"Making %s/etc/fstab (%s).\n", target_prefix(),
pm->diskdev);
if (f == NULL) {
msg_display(MSG_createfstab);
if (logfp)
(void)fprintf(logfp, "Failed to make /etc/fstab!\n");
hit_enter_to_continue(NULL, NULL);
#ifndef DEBUG
return 1;
#else
f = stdout;
#endif
}
scripting_fprintf(f, "# NetBSD /etc/fstab\n# See /usr/share/examples/"
"fstab/ for more examples.\n");
if (pm->no_part) {
/* single dk? target */
char buf[200], parent[200], swap[200], *prompt;
int res;
if (!get_name_and_parent(pm->diskdev, buf, parent))
goto done_with_disks;
scripting_fprintf(f, NAME_PREFIX "%s\t/\tffs\trw\t\t1 1\n",
buf);
if (!find_swap_part_on(parent, swap))
goto done_with_disks;
const char *args[] = { parent, swap };
prompt = str_arg_subst(msg_string(MSG_Auto_add_swap_part),
__arraycount(args), args);
res = ask_yesno(prompt);
free(prompt);
if (res)
scripting_fprintf(f, NAME_PREFIX "%s\tnone"
"\tswap\tsw,dp\t\t0 0\n", swap);
goto done_with_disks;
}
for (size_t i = 0; i < install->num; i++) {
const struct part_usage_info *ptn = &install->infos[i];
if (ptn->size == 0)
continue;
bool is_tmpfs = ptn->type == PT_root &&
ptn->fs_type == FS_TMPFS &&
(ptn->flags & PUIFLG_JUST_MOUNTPOINT);
if (!is_tmpfs && ptn->type != PT_swap &&
(ptn->instflags & PUIINST_MOUNT) == 0)
continue;
const char *s = "";
const char *mp = ptn->mount;
const char *fstype = "ffs";
int fsck_pass = 0, dump_freq = 0;
if (ptn->parts->pscheme->get_part_device(ptn->parts,
ptn->cur_part_id, dev_buf, sizeof dev_buf, NULL,
logical_name, true, false))
dev = dev_buf;
else
dev = NULL;
if (!*mp) {
/*
* No mount point specified, comment out line and
* use /mnt as a placeholder for the mount point.
*/
s = "# ";
mp = "/mnt";
}
switch (ptn->fs_type) {
case FS_UNUSED:
continue;
case FS_BSDLFS:
/* If there is no LFS, just comment it out. */
if (!check_lfs_progs())
s = "# ";
fstype = "lfs";
/* FALLTHROUGH */
case FS_BSDFFS:
fsck_pass = (strcmp(mp, "/") == 0) ? 1 : 2;
dump_freq = 1;
break;
case FS_MSDOS:
fstype = "msdos";
break;
case FS_SWAP:
if (swap_dev[0] == 0) {
strlcpy(swap_dev, dev, sizeof swap_dev);
dump_dev = ",dp";
} else {
dump_dev = "";
}
scripting_fprintf(f, "%s\t\tnone\tswap\tsw%s\t\t 0 0\n",
dev, dump_dev);
continue;
#ifdef HAVE_TMPFS
case FS_TMPFS:
if (ptn->size < 0)
scripting_fprintf(f,
"tmpfs\t\t/tmp\ttmpfs\trw,-m=1777,"
"-s=ram%%%" PRIu64 "\n", -ptn->size);
else
scripting_fprintf(f,
"tmpfs\t\t/tmp\ttmpfs\trw,-m=1777,"
"-s=%" PRIu64 "M\n", ptn->size);
continue;
#else
case FS_MFS:
if (swap_dev[0] != 0)
scripting_fprintf(f,
"%s\t\t/tmp\tmfs\trw,-s=%"
PRIu64 "\n", swap_dev, ptn->size);
else
scripting_fprintf(f,
"swap\t\t/tmp\tmfs\trw,-s=%"
PRIu64 "\n", ptn->size);
continue;
#endif
case FS_SYSVBFS:
fstype = "sysvbfs";
make_target_dir("/stand");
break;
default:
fstype = "???";
s = "# ";
break;
}
/* The code that remounts root rw doesn't check the partition */
if (strcmp(mp, "/") == 0 &&
(ptn->instflags & PUIINST_MOUNT) == 0)
s = "# ";
scripting_fprintf(f,
"%s%s\t\t%s\t%s\trw%s%s%s%s%s%s%s%s\t\t %d %d\n",
s, dev, mp, fstype,
ptn->mountflags & PUIMNT_LOG ? ",log" : "",
ptn->mountflags & PUIMNT_NOAUTO ? ",noauto" : "",
ptn->mountflags & PUIMNT_ASYNC ? ",async" : "",
ptn->mountflags & PUIMNT_NOATIME ? ",noatime" : "",
ptn->mountflags & PUIMNT_NODEV ? ",nodev" : "",
ptn->mountflags & PUIMNT_NODEVMTIME ? ",nodevmtime" : "",
ptn->mountflags & PUIMNT_NOEXEC ? ",noexec" : "",
ptn->mountflags & PUIMNT_NOSUID ? ",nosuid" : "",
dump_freq, fsck_pass);
}
done_with_disks:
if (cdrom_dev[0] == 0)
get_default_cdrom(cdrom_dev, sizeof(cdrom_dev));
/* Add /kern, /proc and /dev/pts to fstab and make mountpoint. */
scripting_fprintf(f, "kernfs\t\t/kern\tkernfs\trw\n");
scripting_fprintf(f, "ptyfs\t\t/dev/pts\tptyfs\trw\n");
scripting_fprintf(f, "procfs\t\t/proc\tprocfs\trw\n");
scripting_fprintf(f, "/dev/%s\t\t/cdrom\tcd9660\tro,noauto\n",
cdrom_dev);
scripting_fprintf(f, "%stmpfs\t\t/var/shm\ttmpfs\trw,-m1777,-sram%%25\n",
tmpfs_on_var_shm() ? "" : "#");
make_target_dir("/kern");
make_target_dir("/proc");
make_target_dir("/dev/pts");
make_target_dir("/cdrom");
make_target_dir("/var/shm");
scripting_fprintf(NULL, "EOF\n");
fclose(f);
fflush(NULL);
return 0;
}
static bool
find_part_by_name(const char *name, struct disk_partitions **parts,
part_id *pno)
{
struct pm_devs *i;
struct disk_partitions *ps;
part_id id;
struct disk_desc disks[MAX_DISKS];
int n, cnt;
if (SLIST_EMPTY(&pm_head)) {
/*
* List has not been filled, only "pm" is valid - check
* that first.
*/
if (pm->parts != NULL &&
pm->parts->pscheme->find_by_name != NULL) {
id = pm->parts->pscheme->find_by_name(pm->parts, name);
if (id != NO_PART) {
*pno = id;
*parts = pm->parts;
return true;
}
}
/*
* Not that easy - check all other disks
*/
cnt = get_disks(disks, false);
for (n = 0; n < cnt; n++) {
if (strcmp(disks[n].dd_name, pm->diskdev) == 0)
continue;
ps = partitions_read_disk(disks[n].dd_name,
disks[n].dd_totsec,
disks[n].dd_secsize,
disks[n].dd_no_mbr);
if (ps == NULL)
continue;
if (ps->pscheme->find_by_name == NULL)
continue;
id = ps->pscheme->find_by_name(ps, name);
if (id != NO_PART) {
*pno = id;
*parts = ps;
return true; /* XXX this leaks memory */
}
ps->pscheme->free(ps);
}
} else {
SLIST_FOREACH(i, &pm_head, l) {
if (i->parts == NULL)
continue;
if (i->parts->pscheme->find_by_name == NULL)
continue;
id = i->parts->pscheme->find_by_name(i->parts, name);
if (id == NO_PART)
continue;
*pno = id;
*parts = i->parts;
return true;
}
}
*pno = NO_PART;
*parts = NULL;
return false;
}
static int
/*ARGSUSED*/
process_found_fs(struct data *list, size_t num, const struct lookfor *item,
bool with_fsck)
{
int error;
char rdev[PATH_MAX], dev[PATH_MAX],
options[STRSIZE], tmp[STRSIZE], *op, *last;
const char *fsname = (const char*)item->var;
part_id pno;
struct disk_partitions *parts;
size_t len;
bool first, is_root;
if (num < 2 || strstr(list[2].u.s_val, "noauto") != NULL)
return 0;
is_root = strcmp(list[1].u.s_val, "/") == 0;
if (is_root && target_mounted())
return 0;
if (strcmp(item->head, name_prefix) == 0) {
/* this fstab entry uses NAME= syntax */
/* unescape */
char *src, *dst;
for (src = list[0].u.s_val, dst =src; src[0] != 0; ) {
if (src[0] == '\\' && src[1] != 0)
src++;
*dst++ = *src++;
}
*dst = 0;
if (!find_part_by_name(list[0].u.s_val,
&parts, &pno) || parts == NULL || pno == NO_PART)
return 0;
parts->pscheme->get_part_device(parts, pno,
dev, sizeof(dev), NULL, plain_name, true, true);
parts->pscheme->get_part_device(parts, pno,
rdev, sizeof(rdev), NULL, raw_dev_name, true, true);
} else {
/* this fstab entry uses the plain device name */
if (is_root) {
/*
* PR 54480: we can not use the current device name
* as it might be different from the real environment.
* This is an abuse of the functionality, but it used
* to work before (and still does work if only a single
* target disk is involved).
* Use the device name from the current "pm" instead.
*/
strcpy(rdev, "/dev/r");
strlcat(rdev, pm->diskdev, sizeof(rdev));
strcpy(dev, "/dev/");
strlcat(dev, pm->diskdev, sizeof(dev));
/* copy over the partition letter, if any */
len = strlen(list[0].u.s_val);
if (list[0].u.s_val[len-1] >= 'a' &&
list[0].u.s_val[len-1] <=
('a' + getmaxpartitions())) {
strlcat(rdev, &list[0].u.s_val[len-1],
sizeof(rdev));
strlcat(dev, &list[0].u.s_val[len-1],
sizeof(dev));
}
} else {
strcpy(rdev, "/dev/r");
strlcat(rdev, list[0].u.s_val, sizeof(rdev));
strcpy(dev, "/dev/");
strlcat(dev, list[0].u.s_val, sizeof(dev));
}
}
if (with_fsck) {
/* need the raw device for fsck_preen */
error = fsck_preen(rdev, fsname, false);
if (error != 0)
return error;
}
/* add mount option for fs type */
strcpy(options, "-t ");
strlcat(options, fsname, sizeof(options));
/* extract mount options from fstab */
strlcpy(tmp, list[2].u.s_val, sizeof(tmp));
for (first = true, op = strtok_r(tmp, ",", &last); op != NULL;
op = strtok_r(NULL, ",", &last)) {
if (strcmp(op, FSTAB_RW) == 0 ||
strcmp(op, FSTAB_RQ) == 0 ||
strcmp(op, FSTAB_RO) == 0 ||
strcmp(op, FSTAB_SW) == 0 ||
strcmp(op, FSTAB_DP) == 0 ||
strcmp(op, FSTAB_XX) == 0)
continue;
if (first) {
first = false;
strlcat(options, " -o ", sizeof(options));
} else {
strlcat(options, ",", sizeof(options));
}
strlcat(options, op, sizeof(options));
}
error = target_mount(options, dev, list[1].u.s_val);
if (error != 0) {
msg_fmt_display(MSG_mount_failed, "%s", list[0].u.s_val);
if (!ask_noyes(NULL))
return error;
}
return 0;
}
static int
/*ARGSUSED*/
found_fs(struct data *list, size_t num, const struct lookfor *item)
{
return process_found_fs(list, num, item, true);
}
static int
/*ARGSUSED*/
found_fs_nocheck(struct data *list, size_t num, const struct lookfor *item)
{
return process_found_fs(list, num, item, false);
}
/*
* Do an fsck. On failure, inform the user by showing a warning
* message and doing menu_ok() before proceeding.
* The device passed should be the full qualified path to raw disk
* (e.g. /dev/rwd0a).
* Returns 0 on success, or nonzero return code from fsck() on failure.
*/
static int
fsck_preen(const char *disk, const char *fsname, bool silent)
{
char *prog, err[12];
int error;
if (fsname == NULL)
return 0;
/* first, check if fsck program exists, if not, assume ok */
asprintf(&prog, "/sbin/fsck_%s", fsname);
if (prog == NULL)
return 0;
if (access(prog, X_OK) != 0) {
free(prog);
return 0;
}
if (!strcmp(fsname,"ffs"))
fixsb(prog, disk);
error = run_program(silent? RUN_SILENT|RUN_ERROR_OK : 0, "%s -p -q %s", prog, disk);
free(prog);
if (error != 0 && !silent) {
sprintf(err, "%d", error);
msg_display_subst(msg_string(MSG_badfs), 3,
disk, fsname, err);
if (ask_noyes(NULL))
error = 0;
/* XXX at this point maybe we should run a full fsck? */
}
return error;
}
/* This performs the same function as the etc/rc.d/fixsb script
* which attempts to correct problems with ffs1 filesystems
* which may have been introduced by booting a netbsd-current kernel
* from between April of 2003 and January 2004. For more information
* This script was developed as a response to NetBSD pr install/25138
* Additional prs regarding the original issue include:
* bin/17910 kern/21283 kern/21404 port-macppc/23925 port-macppc/23926
*/
static void
fixsb(const char *prog, const char *disk)
{
int fd;
int rval;
union {
struct fs fs;
char buf[SBLOCKSIZE];
} sblk;
struct fs *fs = &sblk.fs;
fd = open(disk, O_RDONLY);
if (fd == -1)
return;
/* Read ffsv1 main superblock */
rval = pread(fd, sblk.buf, sizeof sblk.buf, SBLOCK_UFS1);
close(fd);
if (rval != sizeof sblk.buf)
return;
if (fs->fs_magic != FS_UFS1_MAGIC &&
fs->fs_magic != FS_UFS1_MAGIC_SWAPPED)
/* Not FFSv1 */
return;
if (fs->fs_old_flags & FS_FLAGS_UPDATED)
/* properly updated fslevel 4 */
return;
if (fs->fs_bsize != fs->fs_maxbsize)
/* not messed up */
return;
/*
* OK we have a munged fs, first 'upgrade' to fslevel 4,
* We specify -b16 in order to stop fsck bleating that the
* sb doesn't match the first alternate.
*/
run_program(RUN_DISPLAY | RUN_PROGRESS,
"%s -p -b 16 -c 4 %s", prog, disk);
/* Then downgrade to fslevel 3 */
run_program(RUN_DISPLAY | RUN_PROGRESS,
"%s -p -c 3 %s", prog, disk);
}
/*
* fsck and mount the root partition.
* devdev is the fully qualified block device name.
*/
static int
mount_root(const char *devdev, bool first, bool writeable,
struct install_partition_desc *install)
{
int error;
error = fsck_preen(devdev, "ffs", false);
if (error != 0)
return error;
if (first)
md_pre_mount(install, 0);
/* Mount devdev on target's "".
* If we pass "" as mount-on, Prefixing will DTRT.
* for now, use no options.
* XXX consider -o remount in case target root is
* current root, still readonly from single-user?
*/
return target_mount(writeable? "" : "-r", devdev, "");
}
/* Get information on the file systems mounted from the root filesystem.
* Offer to convert them into 4.4BSD inodes if they are not 4.4BSD
* inodes. Fsck them. Mount them.
*/
int
mount_disks(struct install_partition_desc *install)
{
char *fstab;
int fstabsize;
int error;
char devdev[PATH_MAX];
size_t i, num_fs_types, num_entries;
struct lookfor *fstabbuf, *l;
if (install->cur_system)
return 0;
/*
* Check what file system tools are available and create parsers
* for the corresponding fstab(5) entries - all others will be
* ignored.
*/
num_fs_types = 1; /* ffs is implicit */
for (i = 0; i < __arraycount(extern_fs_with_chk); i++) {
sprintf(devdev, "/sbin/newfs_%s", extern_fs_with_chk[i]);
if (file_exists_p(devdev))
num_fs_types++;
}
for (i = 0; i < __arraycount(extern_fs_newfs_only); i++) {
sprintf(devdev, "/sbin/newfs_%s", extern_fs_newfs_only[i]);
if (file_exists_p(devdev))
num_fs_types++;
}
num_entries = 2 * num_fs_types + 1; /* +1 for "ufs" special case */
fstabbuf = calloc(num_entries, sizeof(*fstabbuf));
if (fstabbuf == NULL)
return -1;
l = fstabbuf;
l->head = "/dev/";
l->fmt = strdup("/dev/%s %s ffs %s");
l->todo = "c";
l->var = __UNCONST("ffs");
l->func = found_fs;
l++;
l->head = "/dev/";
l->fmt = strdup("/dev/%s %s ufs %s");
l->todo = "c";
l->var = __UNCONST("ffs");
l->func = found_fs;
l++;
l->head = NAME_PREFIX;
l->fmt = strdup(NAME_PREFIX "%s %s ffs %s");
l->todo = "c";
l->var = __UNCONST("ffs");
l->func = found_fs;
l++;
for (i = 0; i < __arraycount(extern_fs_with_chk); i++) {
sprintf(devdev, "/sbin/newfs_%s", extern_fs_with_chk[i]);
if (!file_exists_p(devdev))
continue;
sprintf(devdev, "/dev/%%s %%s %s %%s", extern_fs_with_chk[i]);
l->head = "/dev/";
l->fmt = strdup(devdev);
l->todo = "c";
l->var = __UNCONST(extern_fs_with_chk[i]);
l->func = found_fs;
l++;
sprintf(devdev, NAME_PREFIX "%%s %%s %s %%s",
extern_fs_with_chk[i]);
l->head = NAME_PREFIX;
l->fmt = strdup(devdev);
l->todo = "c";
l->var = __UNCONST(extern_fs_with_chk[i]);
l->func = found_fs;
l++;
}
for (i = 0; i < __arraycount(extern_fs_newfs_only); i++) {
sprintf(devdev, "/sbin/newfs_%s", extern_fs_newfs_only[i]);
if (!file_exists_p(devdev))
continue;
sprintf(devdev, "/dev/%%s %%s %s %%s", extern_fs_newfs_only[i]);
l->head = "/dev/";
l->fmt = strdup(devdev);
l->todo = "c";
l->var = __UNCONST(extern_fs_newfs_only[i]);
l->func = found_fs_nocheck;
l++;
sprintf(devdev, NAME_PREFIX "%%s %%s %s %%s",
extern_fs_newfs_only[i]);
l->head = NAME_PREFIX;
l->fmt = strdup(devdev);
l->todo = "c";
l->var = __UNCONST(extern_fs_newfs_only[i]);
l->func = found_fs_nocheck;
l++;
}
assert((size_t)(l - fstabbuf) == num_entries);
/* First the root device. */
if (target_already_root()) {
/* avoid needing to call target_already_root() again */
targetroot_mnt[0] = 0;
} else if (pm->no_part) {
snprintf(devdev, sizeof devdev, _PATH_DEV "%s", pm->diskdev);
error = mount_root(devdev, true, false, install);
if (error != 0 && error != EBUSY)
return -1;
} else {
for (i = 0; i < install->num; i++) {
if (is_root_part_mount(install->infos[i].mount))
break;
}
if (i >= install->num) {
hit_enter_to_continue(MSG_noroot, NULL);
return -1;
}
if (!install->infos[i].parts->pscheme->get_part_device(
install->infos[i].parts, install->infos[i].cur_part_id,
devdev, sizeof devdev, NULL, plain_name, true, true))
return -1;
error = mount_root(devdev, true, false, install);
if (error != 0 && error != EBUSY)
return -1;
}
/* Check the target /etc/fstab exists before trying to parse it. */
if (target_dir_exists_p("/etc") == 0 ||
target_file_exists_p("/etc/fstab") == 0) {
msg_fmt_display(MSG_noetcfstab, "%s", pm->diskdev);
hit_enter_to_continue(NULL, NULL);
return -1;
}
/* Get fstab entries from the target-root /etc/fstab. */
fstabsize = target_collect_file(T_FILE, &fstab, "/etc/fstab");
if (fstabsize < 0) {
/* error ! */
msg_fmt_display(MSG_badetcfstab, "%s", pm->diskdev);
hit_enter_to_continue(NULL, NULL);
umount_root();
return -2;
}
/*
* We unmount the read-only root again, so we can mount it
* with proper options from /etc/fstab
*/
umount_root();
/*
* Now do all entries in /etc/fstab and mount them if required
*/
error = walk(fstab, (size_t)fstabsize, fstabbuf, num_entries);
free(fstab);
for (i = 0; i < num_entries; i++)
free(__UNCONST(fstabbuf[i].fmt));
free(fstabbuf);
return error;
}
static char swap_dev[PATH_MAX];
int
set_swap_if_low_ram(struct install_partition_desc *install)
{
swap_dev[0] = 0;
if (get_ramsize() <= TINY_RAM_SIZE)
return set_swap(install);
return 0;
}
int
set_swap(struct install_partition_desc *install)
{
size_t i;
int rval;
swap_dev[0] = 0;
for (i = 0; i < install->num; i++) {
if (install->infos[i].type == PT_swap)
break;
}
if (i >= install->num)
return 0;
if (!install->infos[i].parts->pscheme->get_part_device(
install->infos[i].parts, install->infos[i].cur_part_id, swap_dev,
sizeof swap_dev, NULL, plain_name, true, true))
return -1;
rval = swapctl(SWAP_ON, swap_dev, 0);
if (rval != 0) {
swap_dev[0] = 0;
return -1;
}
return 1;
}
void
clear_swap(void)
{
if (swap_dev[0] == 0)
return;
swapctl(SWAP_OFF, swap_dev, 0);
swap_dev[0] = 0;
}
int
check_swap(const char *disk, int remove_swap)
{
struct swapent *swap;
char *cp;
int nswap;
int l;
int rval = 0;
nswap = swapctl(SWAP_NSWAP, 0, 0);
if (nswap <= 0)
return 0;
swap = malloc(nswap * sizeof *swap);
if (swap == NULL)
return -1;
nswap = swapctl(SWAP_STATS, swap, nswap);
if (nswap < 0)
goto bad_swap;
l = strlen(disk);
while (--nswap >= 0) {
/* Should we check the se_dev or se_path? */
cp = swap[nswap].se_path;
if (memcmp(cp, "/dev/", 5) != 0)
continue;
if (memcmp(cp + 5, disk, l) != 0)
continue;
if (!isalpha(*(unsigned char *)(cp + 5 + l)))
continue;
if (cp[5 + l + 1] != 0)
continue;
/* ok path looks like it is for this device */
if (!remove_swap) {
/* count active swap areas */
rval++;
continue;
}
if (swapctl(SWAP_OFF, cp, 0) == -1)
rval = -1;
}
done:
free(swap);
return rval;
bad_swap:
rval = -1;
goto done;
}
#ifdef HAVE_BOOTXX_xFS
char *
bootxx_name(struct install_partition_desc *install)
{
size_t i;
int fstype = -1;
const char *bootxxname;
char *bootxx;
/* find a partition to be mounted as / */
for (i = 0; i < install->num; i++) {
if ((install->infos[i].instflags & PUIINST_MOUNT)
&& strcmp(install->infos[i].mount, "/") == 0) {
fstype = install->infos[i].fs_type;
break;
}
}
if (fstype < 0) {
/* not found? take first root type partition instead */
for (i = 0; i < install->num; i++) {
if (install->infos[i].type == PT_root) {
fstype = install->infos[i].fs_type;
break;
}
}
}
/* check we have boot code for the root partition type */
switch (fstype) {
#if defined(BOOTXX_FFSV1) || defined(BOOTXX_FFSV2)
case FS_BSDFFS:
if (install->infos[i].fs_version == 2) {
#ifdef BOOTXX_FFSV2
bootxxname = BOOTXX_FFSV2;
#else
bootxxname = NULL;
#endif
} else {
#ifdef BOOTXX_FFSV1
bootxxname = BOOTXX_FFSV1;
#else
bootxxname = NULL;
#endif
}
break;
#endif
#ifdef BOOTXX_LFSV2
case FS_BSDLFS:
bootxxname = BOOTXX_LFSV2;
break;
#endif
default:
bootxxname = NULL;
break;
}
if (bootxxname == NULL)
return NULL;
asprintf(&bootxx, "%s/%s", BOOTXXDIR, bootxxname);
return bootxx;
}
#endif
/* from dkctl.c */
static int
get_dkwedges_sort(const void *a, const void *b)
{
const struct dkwedge_info *dkwa = a, *dkwb = b;
const daddr_t oa = dkwa->dkw_offset, ob = dkwb->dkw_offset;
return (oa < ob) ? -1 : (oa > ob) ? 1 : 0;
}
int
get_dkwedges(struct dkwedge_info **dkw, const char *diskdev)
{
struct dkwedge_list dkwl;
*dkw = NULL;
if (!get_wedge_list(diskdev, &dkwl))
return -1;
if (dkwl.dkwl_nwedges > 0 && *dkw != NULL) {
qsort(*dkw, dkwl.dkwl_nwedges, sizeof(**dkw),
get_dkwedges_sort);
}
return dkwl.dkwl_nwedges;
}
#ifndef NO_CLONES
/*
* Helper structures used in the partition select menu
*/
struct single_partition {
struct disk_partitions *parts;
part_id id;
};
struct sel_menu_data {
struct single_partition *partitions;
struct selected_partition result;
};
static int
select_single_part(menudesc *m, void *arg)
{
struct sel_menu_data *data = arg;
data->result.parts = data->partitions[m->cursel].parts;
data->result.id = data->partitions[m->cursel].id;
return 1;
}
static void
display_single_part(menudesc *m, int opt, void *arg)
{
const struct sel_menu_data *data = arg;
struct disk_part_info info;
struct disk_partitions *parts = data->partitions[opt].parts;
part_id id = data->partitions[opt].id;
int l;
const char *desc = NULL;
char line[MENUSTRSIZE*2];
if (!parts->pscheme->get_part_info(parts, id, &info))
return;
if (parts->pscheme->other_partition_identifier != NULL)
desc = parts->pscheme->other_partition_identifier(
parts, id);
daddr_t start = info.start / sizemult;
daddr_t size = info.size / sizemult;
snprintf(line, sizeof line, "%s [%" PRIu64 " @ %" PRIu64 "]",
parts->disk, size, start);
if (info.nat_type != NULL) {
strlcat(line, " ", sizeof line);
strlcat(line, info.nat_type->description, sizeof line);
}
if (desc != NULL) {
strlcat(line, ": ", sizeof line);
strlcat(line, desc, sizeof line);
}
l = strlen(line);
if (l >= (m->w))
strcpy(line + (m->w-3), "...");
wprintw(m->mw, "%s", line);
}
/*
* is the given "test" partitions set used in the selected set?
*/
static bool
selection_has_parts(struct selected_partitions *sel,
const struct disk_partitions *test)
{
size_t i;
for (i = 0; i < sel->num_sel; i++) {
if (sel->selection[i].parts == test)
return true;
}
return false;
}
/*
* is the given "test" partition in the selected set?
*/
static bool
selection_has_partition(struct selected_partitions *sel,
const struct disk_partitions *test, part_id test_id)
{
size_t i;
for (i = 0; i < sel->num_sel; i++) {
if (sel->selection[i].parts == test &&
sel->selection[i].id == test_id)
return true;
}
return false;
}
/*
* let the user select a partition, optionally skipping all partitions
* on the "ignore" device
*/
static bool
add_select_partition(struct selected_partitions *res,
struct disk_partitions **all_parts, size_t all_cnt)
{
struct disk_partitions *ps;
struct disk_part_info info;
part_id id;
struct single_partition *partitions, *pp;
struct menu_ent *part_menu_opts, *menup;
size_t n, part_cnt;
int sel_menu;
/*
* count how many items our menu will have
*/
part_cnt = 0;
for (n = 0; n < all_cnt; n++) {
ps = all_parts[n];
for (id = 0; id < ps->num_part; id++) {
if (selection_has_partition(res, ps, id))
continue;
if (!ps->pscheme->get_part_info(ps, id, &info))
continue;
if (info.flags & (PTI_SEC_CONTAINER|PTI_WHOLE_DISK|
PTI_PSCHEME_INTERNAL|PTI_RAW_PART))
continue;
part_cnt++;
}
}
/*
* create a menu from this and let the user
* select one partition
*/
part_menu_opts = NULL;
partitions = calloc(part_cnt, sizeof *partitions);
if (partitions == NULL)
goto done;
part_menu_opts = calloc(part_cnt, sizeof *part_menu_opts);
if (part_menu_opts == NULL)
goto done;
pp = partitions;
menup = part_menu_opts;
for (n = 0; n < all_cnt; n++) {
ps = all_parts[n];
for (id = 0; id < ps->num_part; id++) {
if (selection_has_partition(res, ps, id))
continue;
if (!ps->pscheme->get_part_info(ps, id, &info))
continue;
if (info.flags & (PTI_SEC_CONTAINER|PTI_WHOLE_DISK|
PTI_PSCHEME_INTERNAL|PTI_RAW_PART))
continue;
pp->parts = ps;
pp->id = id;
pp++;
menup->opt_action = select_single_part;
menup++;
}
}
sel_menu = new_menu(MSG_select_foreign_part, part_menu_opts, part_cnt,
3, 3, 0, 60,
MC_SUBMENU | MC_SCROLL | MC_NOCLEAR,
NULL, display_single_part, NULL,
NULL, MSG_exit_menu_generic);
if (sel_menu != -1) {
struct selected_partition *newsels;
struct sel_menu_data data;
memset(&data, 0, sizeof data);
data.partitions = partitions;
process_menu(sel_menu, &data);
free_menu(sel_menu);
if (data.result.parts != NULL) {
newsels = realloc(res->selection,
sizeof(*res->selection)*(res->num_sel+1));
if (newsels != NULL) {
res->selection = newsels;
newsels += res->num_sel++;
newsels->parts = data.result.parts;
newsels->id = data.result.id;
}
}
}
/*
* Final cleanup
*/
done:
free(part_menu_opts);
free(partitions);
return res->num_sel > 0;
}
struct part_selection_and_all_parts {
struct selected_partitions *selection;
struct disk_partitions **all_parts;
size_t all_cnt;
char *title;
bool cancelled;
};
static int
toggle_clone_data(struct menudesc *m, void *arg)
{
struct part_selection_and_all_parts *sel = arg;
sel->selection->with_data = !sel->selection->with_data;
return 0;
}
static int
add_another(struct menudesc *m, void *arg)
{
struct part_selection_and_all_parts *sel = arg;
add_select_partition(sel->selection, sel->all_parts, sel->all_cnt);
return 0;
}
static int
cancel_clone(struct menudesc *m, void *arg)
{
struct part_selection_and_all_parts *sel = arg;
sel->cancelled = true;
return 1;
}
static void
update_sel_part_title(struct part_selection_and_all_parts *sel)
{
struct disk_part_info info;
char *buf, line[MENUSTRSIZE];
size_t buf_len, i;
buf_len = MENUSTRSIZE * (1+sel->selection->num_sel);
buf = malloc(buf_len);
if (buf == NULL)
return;
strcpy(buf, msg_string(MSG_select_source_hdr));
for (i = 0; i < sel->selection->num_sel; i++) {
struct selected_partition *s =
&sel->selection->selection[i];
if (!s->parts->pscheme->get_part_info(s->parts, s->id, &info))
continue;
daddr_t start = info.start / sizemult;
daddr_t size = info.size / sizemult;
sprintf(line, "\n %s [%" PRIu64 " @ %" PRIu64 "] ",
s->parts->disk, size, start);
if (info.nat_type != NULL)
strlcat(line, info.nat_type->description, sizeof(line));
strlcat(buf, line, buf_len);
}
free(sel->title);
sel->title = buf;
}
static void
post_sel_part(struct menudesc *m, void *arg)
{
struct part_selection_and_all_parts *sel = arg;
if (m->mw == NULL)
return;
update_sel_part_title(sel);
m->title = sel->title;
m->h = 0;
resize_menu_height(m);
}
static void
fmt_sel_part_line(struct menudesc *m, int i, void *arg)
{
struct part_selection_and_all_parts *sel = arg;
wprintw(m->mw, "%s: %s", msg_string(MSG_clone_with_data),
sel->selection->with_data ?
msg_string(MSG_Yes) :
msg_string(MSG_No));
}
bool
select_partitions(struct selected_partitions *res,
const struct disk_partitions *ignore)
{
struct disk_desc disks[MAX_DISKS];
struct disk_partitions *ps;
struct part_selection_and_all_parts data;
struct pm_devs *i;
size_t j;
int cnt, n, m;
static menu_ent men[] = {
{ .opt_name = MSG_select_source_add,
.opt_action = add_another },
{ .opt_action = toggle_clone_data },
{ .opt_name = MSG_cancel, .opt_action = cancel_clone },
};
memset(res, 0, sizeof *res);
memset(&data, 0, sizeof data);
data.selection = res;
/*
* collect all available partition sets
*/
data.all_cnt = 0;
if (SLIST_EMPTY(&pm_head)) {
cnt = get_disks(disks, false);
if (cnt <= 0)
return false;
/*
* allocate two slots for each disk (primary/secondary)
*/
data.all_parts = calloc(2*cnt, sizeof *data.all_parts);
if (data.all_parts == NULL)
return false;
for (n = 0; n < cnt; n++) {
if (ignore != NULL &&
strcmp(disks[n].dd_name, ignore->disk) == 0)
continue;
ps = partitions_read_disk(disks[n].dd_name,
disks[n].dd_totsec,
disks[n].dd_secsize,
disks[n].dd_no_mbr);
if (ps == NULL)
continue;
data.all_parts[data.all_cnt++] = ps;
ps = get_inner_parts(ps);
if (ps == NULL)
continue;
data.all_parts[data.all_cnt++] = ps;
}
if (data.all_cnt > 0)
res->free_parts = true;
} else {
cnt = 0;
SLIST_FOREACH(i, &pm_head, l)
cnt++;
data.all_parts = calloc(cnt, sizeof *data.all_parts);
if (data.all_parts == NULL)
return false;
SLIST_FOREACH(i, &pm_head, l) {
if (i->parts == NULL)
continue;
if (i->parts == ignore)
continue;
data.all_parts[data.all_cnt++] = i->parts;
}
}
if (!add_select_partition(res, data.all_parts, data.all_cnt))
goto fail;
/* loop with menu */
update_sel_part_title(&data);
m = new_menu(data.title, men, __arraycount(men), 3, 2, 0, 65, MC_SCROLL,
post_sel_part, fmt_sel_part_line, NULL, NULL, MSG_clone_src_done);
process_menu(m, &data);
free(data.title);
if (res->num_sel == 0)
goto fail;
/* cleanup */
if (res->free_parts) {
for (j = 0; j < data.all_cnt; j++) {
if (selection_has_parts(res, data.all_parts[j]))
continue;
if (data.all_parts[j]->parent != NULL)
continue;
data.all_parts[j]->pscheme->free(data.all_parts[j]);
}
}
free(data.all_parts);
return true;
fail:
if (res->free_parts) {
for (j = 0; j < data.all_cnt; j++) {
if (data.all_parts[j]->parent != NULL)
continue;
data.all_parts[j]->pscheme->free(data.all_parts[j]);
}
}
free(data.all_parts);
return false;
}
void
free_selected_partitions(struct selected_partitions *selected)
{
size_t i;
struct disk_partitions *parts;
if (!selected->free_parts)
return;
for (i = 0; i < selected->num_sel; i++) {
parts = selected->selection[i].parts;
/* remove from list before testing for other instances */
selected->selection[i].parts = NULL;
/* if this is the secondary partion set, the parent owns it */
if (parts->parent != NULL)
continue;
/* only free once (we use the last one) */
if (selection_has_parts(selected, parts))
continue;
parts->pscheme->free(parts);
}
free(selected->selection);
}
daddr_t
selected_parts_size(struct selected_partitions *selected)
{
struct disk_part_info info;
size_t i;
daddr_t s = 0;
for (i = 0; i < selected->num_sel; i++) {
if (!selected->selection[i].parts->pscheme->get_part_info(
selected->selection[i].parts,
selected->selection[i].id, &info))
continue;
s += info.size;
}
return s;
}
int
clone_target_select(menudesc *m, void *arg)
{
struct clone_target_menu_data *data = arg;
data->res = m->cursel;
return 1;
}
bool
clone_partition_data(struct disk_partitions *dest_parts, part_id did,
struct disk_partitions *src_parts, part_id sid)
{
char src_dev[MAXPATHLEN], target_dev[MAXPATHLEN];
if (!src_parts->pscheme->get_part_device(
src_parts, sid, src_dev, sizeof src_dev, NULL,
raw_dev_name, true, true))
return false;
if (!dest_parts->pscheme->get_part_device(
dest_parts, did, target_dev, sizeof target_dev, NULL,
raw_dev_name, true, true))
return false;
return run_program(RUN_DISPLAY | RUN_PROGRESS,
"progress -f %s -b 1m dd bs=1m of=%s",
src_dev, target_dev) == 0;
}
#endif
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