1238 lines
33 KiB
C
1238 lines
33 KiB
C
/*-
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* Copyright (c) 2011 Nathan Whitehorn
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/param.h>
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#include <errno.h>
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#include <libutil.h>
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#include <inttypes.h>
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#include <libgeom.h>
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#include <dialog.h>
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#include <dlg_keys.h>
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#include "partedit.h"
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#define GPART_FLAGS "x" /* Do not commit changes by default */
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static void
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gpart_show_error(const char *title, const char *explanation, const char *errstr)
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{
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char *errmsg;
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char message[512];
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int error;
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if (explanation == NULL)
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explanation = "";
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error = strtol(errstr, &errmsg, 0);
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if (errmsg != errstr) {
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while (errmsg[0] == ' ')
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errmsg++;
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if (errmsg[0] != '\0')
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sprintf(message, "%s%s. %s", explanation,
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strerror(error), errmsg);
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else
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sprintf(message, "%s%s", explanation, strerror(error));
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} else {
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sprintf(message, "%s%s", explanation, errmsg);
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}
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dialog_msgbox(title, message, 0, 0, TRUE);
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}
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static int
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scheme_supports_labels(const char *scheme)
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{
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if (strcmp(scheme, "APM") == 0)
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return (1);
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if (strcmp(scheme, "GPT") == 0)
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return (1);
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if (strcmp(scheme, "PC98") == 0)
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return (1);
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return (0);
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}
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static void
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newfs_command(const char *fstype, char *command, int use_default)
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{
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if (strcmp(fstype, "freebsd-ufs") == 0) {
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int i;
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DIALOG_LISTITEM items[] = {
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{"UFS1", "UFS Version 1",
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"Use version 1 of the UFS file system instead "
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"of version 2 (not recommended)", 0 },
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{"SU", "Softupdates",
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"Enable softupdates (default)", 1 },
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{"SUJ", "Softupdates journaling",
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"Enable file system journaling (default - "
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"turn off for SSDs)", 1 },
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{"TRIM", "Enable SSD TRIM support",
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"Enable TRIM support, useful on solid-state drives",
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0 },
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};
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if (!use_default) {
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int choice;
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choice = dlg_checklist("UFS Options", "", 0, 0, 0,
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sizeof(items)/sizeof(items[0]), items, NULL,
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FLAG_CHECK, &i);
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if (choice == 1) /* Cancel */
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return;
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}
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strcpy(command, "newfs ");
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for (i = 0; i < (int)(sizeof(items)/sizeof(items[0])); i++) {
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if (items[i].state == 0)
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continue;
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if (strcmp(items[i].name, "UFS1") == 0)
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strcat(command, "-O1 ");
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else if (strcmp(items[i].name, "SU") == 0)
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strcat(command, "-U ");
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else if (strcmp(items[i].name, "SUJ") == 0)
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strcat(command, "-j ");
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else if (strcmp(items[i].name, "TRIM") == 0)
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strcat(command, "-t ");
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}
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} else if (strcmp(fstype, "fat32") == 0 || strcmp(fstype, "efi") == 0) {
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int i;
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DIALOG_LISTITEM items[] = {
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{"FAT32", "FAT Type 32",
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"Create a FAT32 filesystem (default)", 1 },
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{"FAT16", "FAT Type 16",
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"Create a FAT16 filesystem", 0 },
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{"FAT12", "FAT Type 12",
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"Create a FAT12 filesystem", 0 },
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};
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if (!use_default) {
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int choice;
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choice = dlg_checklist("FAT Options", "", 0, 0, 0,
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sizeof(items)/sizeof(items[0]), items, NULL,
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FLAG_RADIO, &i);
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if (choice == 1) /* Cancel */
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return;
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}
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strcpy(command, "newfs_msdos ");
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for (i = 0; i < (int)(sizeof(items)/sizeof(items[0])); i++) {
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if (items[i].state == 0)
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continue;
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if (strcmp(items[i].name, "FAT32") == 0)
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strcat(command, "-F 32 ");
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else if (strcmp(items[i].name, "FAT16") == 0)
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strcat(command, "-F 16 ");
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else if (strcmp(items[i].name, "FAT12") == 0)
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strcat(command, "-F 12 ");
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}
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} else {
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if (!use_default)
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dialog_msgbox("Error", "No configurable options exist "
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"for this filesystem.", 0, 0, TRUE);
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command[0] = '\0';
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}
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}
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int
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gpart_partition(const char *lg_name, const char *scheme)
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{
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int cancel, choice;
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struct gctl_req *r;
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const char *errstr;
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DIALOG_LISTITEM items[] = {
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{"APM", "Apple Partition Map",
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"Bootable on PowerPC Apple Hardware", 0 },
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{"BSD", "BSD Labels",
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"Bootable on most x86 systems", 0 },
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{"GPT", "GUID Partition Table",
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"Bootable on most x86 systems", 0 },
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{"MBR", "DOS Partitions",
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"Bootable on most x86 systems", 0 },
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{"PC98", "NEC PC9801 Partition Table",
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"Bootable on NEC PC9801 systems", 0 },
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{"VTOC8", "Sun VTOC8 Partition Table",
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"Bootable on Sun SPARC systems", 0 },
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};
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schememenu:
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if (scheme == NULL) {
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dialog_vars.default_item = __DECONST(char *, default_scheme());
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cancel = dlg_menu("Partition Scheme",
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"Select a partition scheme for this volume:", 0, 0, 0,
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sizeof(items) / sizeof(items[0]), items, &choice, NULL);
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dialog_vars.default_item = NULL;
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if (cancel)
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return (-1);
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if (!is_scheme_bootable(items[choice].name)) {
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char message[512];
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sprintf(message, "This partition scheme (%s) is not "
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"bootable on this platform. Are you sure you want "
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"to proceed?", items[choice].name);
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dialog_vars.defaultno = TRUE;
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cancel = dialog_yesno("Warning", message, 0, 0);
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dialog_vars.defaultno = FALSE;
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if (cancel) /* cancel */
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goto schememenu;
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}
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scheme = items[choice].name;
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}
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r = gctl_get_handle();
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gctl_ro_param(r, "class", -1, "PART");
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gctl_ro_param(r, "arg0", -1, lg_name);
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gctl_ro_param(r, "flags", -1, GPART_FLAGS);
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gctl_ro_param(r, "scheme", -1, scheme);
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gctl_ro_param(r, "verb", -1, "create");
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errstr = gctl_issue(r);
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if (errstr != NULL && errstr[0] != '\0') {
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gpart_show_error("Error", NULL, errstr);
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gctl_free(r);
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scheme = NULL;
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goto schememenu;
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}
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gctl_free(r);
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if (bootcode_path(scheme) != NULL)
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get_part_metadata(lg_name, 1)->bootcode = 1;
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return (0);
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}
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static void
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gpart_activate(struct gprovider *pp)
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{
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struct gconfig *gc;
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struct gctl_req *r;
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const char *errstr, *scheme;
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const char *attribute = NULL;
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intmax_t idx;
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/*
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* Some partition schemes need this partition to be marked 'active'
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* for it to be bootable.
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*/
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LIST_FOREACH(gc, &pp->lg_geom->lg_config, lg_config) {
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if (strcmp(gc->lg_name, "scheme") == 0) {
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scheme = gc->lg_val;
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break;
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}
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}
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if (strcmp(scheme, "MBR") == 0 || strcmp(scheme, "EBR") == 0 ||
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strcmp(scheme, "PC98") == 0)
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attribute = "active";
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else
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return;
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LIST_FOREACH(gc, &pp->lg_config, lg_config) {
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if (strcmp(gc->lg_name, "index") == 0) {
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idx = atoi(gc->lg_val);
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break;
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}
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}
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r = gctl_get_handle();
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gctl_ro_param(r, "class", -1, "PART");
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gctl_ro_param(r, "arg0", -1, pp->lg_geom->lg_name);
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gctl_ro_param(r, "verb", -1, "set");
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gctl_ro_param(r, "attrib", -1, attribute);
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gctl_ro_param(r, "index", sizeof(idx), &idx);
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errstr = gctl_issue(r);
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if (errstr != NULL && errstr[0] != '\0')
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gpart_show_error("Error", "Error marking partition active:",
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errstr);
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gctl_free(r);
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}
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static void
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gpart_bootcode(struct ggeom *gp)
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{
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const char *bootcode;
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struct gconfig *gc;
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struct gctl_req *r;
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const char *errstr, *scheme;
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uint8_t *boot;
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size_t bootsize, bytes;
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int bootfd;
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/*
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* Write default bootcode to the newly partitioned disk, if that
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* applies on this platform.
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*/
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LIST_FOREACH(gc, &gp->lg_config, lg_config) {
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if (strcmp(gc->lg_name, "scheme") == 0) {
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scheme = gc->lg_val;
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break;
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}
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}
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bootcode = bootcode_path(scheme);
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if (bootcode == NULL)
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return;
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bootfd = open(bootcode, O_RDONLY);
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if (bootfd < 0) {
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dialog_msgbox("Bootcode Error", strerror(errno), 0, 0,
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TRUE);
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return;
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}
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bootsize = lseek(bootfd, 0, SEEK_END);
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boot = malloc(bootsize);
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lseek(bootfd, 0, SEEK_SET);
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bytes = 0;
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while (bytes < bootsize)
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bytes += read(bootfd, boot + bytes, bootsize - bytes);
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close(bootfd);
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r = gctl_get_handle();
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gctl_ro_param(r, "class", -1, "PART");
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gctl_ro_param(r, "arg0", -1, gp->lg_name);
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gctl_ro_param(r, "verb", -1, "bootcode");
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gctl_ro_param(r, "bootcode", bootsize, boot);
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errstr = gctl_issue(r);
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if (errstr != NULL && errstr[0] != '\0')
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gpart_show_error("Bootcode Error", NULL, errstr);
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gctl_free(r);
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free(boot);
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}
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static void
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gpart_partcode(struct gprovider *pp)
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{
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struct gconfig *gc;
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const char *scheme;
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const char *indexstr;
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char message[255], command[255];
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LIST_FOREACH(gc, &pp->lg_geom->lg_config, lg_config) {
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if (strcmp(gc->lg_name, "scheme") == 0) {
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scheme = gc->lg_val;
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break;
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}
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}
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/* Make sure this partition scheme needs partcode on this platform */
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if (partcode_path(scheme) == NULL)
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return;
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LIST_FOREACH(gc, &pp->lg_config, lg_config) {
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if (strcmp(gc->lg_name, "index") == 0) {
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indexstr = gc->lg_val;
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break;
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}
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}
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/* Shell out to gpart for partcode for now */
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sprintf(command, "gpart bootcode -p %s -i %s %s",
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partcode_path(scheme), indexstr, pp->lg_geom->lg_name);
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if (system(command) != 0) {
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sprintf(message, "Error installing partcode on partition %s",
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pp->lg_name);
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dialog_msgbox("Error", message, 0, 0, TRUE);
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}
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}
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void
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gpart_destroy(struct ggeom *lg_geom)
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{
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struct gctl_req *r;
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struct gprovider *pp;
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const char *errstr;
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int force = 1;
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/* Delete all child metadata */
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LIST_FOREACH(pp, &lg_geom->lg_provider, lg_provider)
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gpart_delete(pp);
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/* Revert any local changes to get this geom into a pristine state */
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r = gctl_get_handle();
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gctl_ro_param(r, "class", -1, "PART");
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gctl_ro_param(r, "arg0", -1, lg_geom->lg_name);
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gctl_ro_param(r, "verb", -1, "undo");
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gctl_issue(r); /* Ignore errors -- these are non-fatal */
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gctl_free(r);
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/* Now destroy the geom itself */
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r = gctl_get_handle();
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gctl_ro_param(r, "class", -1, "PART");
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gctl_ro_param(r, "arg0", -1, lg_geom->lg_name);
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gctl_ro_param(r, "flags", -1, GPART_FLAGS);
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gctl_ro_param(r, "force", sizeof(force), &force);
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gctl_ro_param(r, "verb", -1, "destroy");
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errstr = gctl_issue(r);
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if (errstr != NULL && errstr[0] != '\0') {
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/*
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* Check if we reverted away the existence of the geom
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* altogether. Show all other errors to the user.
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*/
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if (strtol(errstr, NULL, 0) != EINVAL)
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gpart_show_error("Error", NULL, errstr);
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}
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gctl_free(r);
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/* And any metadata associated with the partition scheme itself */
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delete_part_metadata(lg_geom->lg_name);
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}
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void
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gpart_edit(struct gprovider *pp)
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{
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struct gctl_req *r;
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struct gconfig *gc;
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struct gconsumer *cp;
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struct ggeom *geom;
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const char *errstr, *oldtype, *scheme;
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struct partition_metadata *md;
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char sizestr[32];
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char newfs[64];
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intmax_t idx;
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int hadlabel, choice, junk, nitems;
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unsigned i;
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DIALOG_FORMITEM items[] = {
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{0, "Type:", 5, 0, 0, FALSE, "", 11, 0, 12, 15, 0,
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FALSE, "Filesystem type (e.g. freebsd-ufs, freebsd-swap)",
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FALSE},
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{0, "Size:", 5, 1, 0, FALSE, "", 11, 1, 12, 0, 0,
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FALSE, "Partition size. Append K, M, G for kilobytes, "
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"megabytes or gigabytes.", FALSE},
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{0, "Mountpoint:", 11, 2, 0, FALSE, "", 11, 2, 12, 15, 0,
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FALSE, "Path at which to mount this partition (leave blank "
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"for swap, set to / for root filesystem)", FALSE},
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{0, "Label:", 7, 3, 0, FALSE, "", 11, 3, 12, 15, 0, FALSE,
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"Partition name. Not all partition schemes support this.",
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FALSE},
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};
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|
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/*
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* Find the PART geom we are manipulating. This may be a consumer of
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* this provider, or its parent. Check the consumer case first.
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*/
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geom = NULL;
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LIST_FOREACH(cp, &pp->lg_consumers, lg_consumers)
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if (strcmp(cp->lg_geom->lg_class->lg_name, "PART") == 0) {
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/* Check for zombie geoms, treating them as blank */
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scheme = NULL;
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LIST_FOREACH(gc, &cp->lg_geom->lg_config, lg_config) {
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if (strcmp(gc->lg_name, "scheme") == 0) {
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scheme = gc->lg_val;
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break;
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}
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}
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if (scheme == NULL || strcmp(scheme, "(none)") == 0) {
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gpart_partition(cp->lg_geom->lg_name, NULL);
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return;
|
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}
|
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|
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/* If this is a nested partition, edit as usual */
|
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if (strcmp(pp->lg_geom->lg_class->lg_name, "PART") == 0)
|
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break;
|
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|
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/* Destroy the geom and all sub-partitions */
|
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gpart_destroy(cp->lg_geom);
|
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|
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/* Now re-partition and return */
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gpart_partition(cp->lg_geom->lg_name, NULL);
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return;
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}
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|
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if (geom == NULL && strcmp(pp->lg_geom->lg_class->lg_name, "PART") == 0)
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geom = pp->lg_geom;
|
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|
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if (geom == NULL) {
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/* Disk not partitioned, so partition it */
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gpart_partition(pp->lg_name, NULL);
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return;
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}
|
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|
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LIST_FOREACH(gc, &geom->lg_config, lg_config) {
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if (strcmp(gc->lg_name, "scheme") == 0) {
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scheme = gc->lg_val;
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break;
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}
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}
|
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|
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nitems = scheme_supports_labels(scheme) ? 4 : 3;
|
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|
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/* Edit editable parameters of a partition */
|
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hadlabel = 0;
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LIST_FOREACH(gc, &pp->lg_config, lg_config) {
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if (strcmp(gc->lg_name, "type") == 0) {
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oldtype = gc->lg_val;
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items[0].text = gc->lg_val;
|
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}
|
|
if (strcmp(gc->lg_name, "label") == 0 && gc->lg_val != NULL) {
|
|
hadlabel = 1;
|
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items[3].text = gc->lg_val;
|
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}
|
|
if (strcmp(gc->lg_name, "index") == 0)
|
|
idx = atoi(gc->lg_val);
|
|
}
|
|
|
|
TAILQ_FOREACH(md, &part_metadata, metadata) {
|
|
if (md->name != NULL && strcmp(md->name, pp->lg_name) == 0) {
|
|
if (md->fstab != NULL)
|
|
items[2].text = md->fstab->fs_file;
|
|
break;
|
|
}
|
|
}
|
|
|
|
humanize_number(sizestr, 7, pp->lg_mediasize, "B", HN_AUTOSCALE,
|
|
HN_NOSPACE | HN_DECIMAL);
|
|
items[1].text = sizestr;
|
|
|
|
editpart:
|
|
choice = dlg_form("Edit Partition", "", 0, 0, 0, nitems, items, &junk);
|
|
|
|
if (choice) /* Cancel pressed */
|
|
goto endedit;
|
|
|
|
/* Check if the label has a / in it */
|
|
if (strchr(items[3].text, '/') != NULL) {
|
|
dialog_msgbox("Error", "Label contains a /, which is not an "
|
|
"allowed character.", 0, 0, TRUE);
|
|
goto editpart;
|
|
}
|
|
|
|
r = gctl_get_handle();
|
|
gctl_ro_param(r, "class", -1, "PART");
|
|
gctl_ro_param(r, "arg0", -1, geom->lg_name);
|
|
gctl_ro_param(r, "flags", -1, GPART_FLAGS);
|
|
gctl_ro_param(r, "verb", -1, "modify");
|
|
gctl_ro_param(r, "index", sizeof(idx), &idx);
|
|
if (hadlabel || items[3].text[0] != '\0')
|
|
gctl_ro_param(r, "label", -1, items[3].text);
|
|
gctl_ro_param(r, "type", -1, items[0].text);
|
|
errstr = gctl_issue(r);
|
|
if (errstr != NULL && errstr[0] != '\0') {
|
|
gpart_show_error("Error", NULL, errstr);
|
|
gctl_free(r);
|
|
goto editpart;
|
|
}
|
|
gctl_free(r);
|
|
|
|
newfs_command(items[0].text, newfs, 1);
|
|
set_default_part_metadata(pp->lg_name, scheme, items[0].text,
|
|
items[2].text, (strcmp(oldtype, items[0].text) != 0) ?
|
|
newfs : NULL);
|
|
|
|
endedit:
|
|
if (strcmp(oldtype, items[0].text) != 0 && cp != NULL)
|
|
gpart_destroy(cp->lg_geom);
|
|
if (strcmp(oldtype, items[0].text) != 0 && strcmp(items[0].text,
|
|
"freebsd") == 0)
|
|
gpart_partition(pp->lg_name, "BSD");
|
|
|
|
for (i = 0; i < (sizeof(items) / sizeof(items[0])); i++)
|
|
if (items[i].text_free)
|
|
free(items[i].text);
|
|
}
|
|
|
|
void
|
|
set_default_part_metadata(const char *name, const char *scheme,
|
|
const char *type, const char *mountpoint, const char *newfs)
|
|
{
|
|
struct partition_metadata *md;
|
|
|
|
/* Set part metadata */
|
|
md = get_part_metadata(name, 1);
|
|
|
|
if (newfs) {
|
|
if (md->newfs != NULL) {
|
|
free(md->newfs);
|
|
md->newfs = NULL;
|
|
}
|
|
|
|
if (newfs != NULL && newfs[0] != '\0') {
|
|
md->newfs = malloc(strlen(newfs) + strlen(" /dev/") +
|
|
strlen(name) + 1);
|
|
sprintf(md->newfs, "%s /dev/%s", newfs, name);
|
|
}
|
|
}
|
|
|
|
if (strcmp(type, "freebsd-swap") == 0)
|
|
mountpoint = "none";
|
|
if (strcmp(type, "freebsd-boot") == 0)
|
|
md->bootcode = 1;
|
|
|
|
/* VTOC8 needs partcode in UFS partitions */
|
|
if (strcmp(scheme, "VTOC8") == 0 && strcmp(type, "freebsd-ufs") == 0)
|
|
md->bootcode = 1;
|
|
|
|
if (mountpoint == NULL || mountpoint[0] == '\0') {
|
|
if (md->fstab != NULL) {
|
|
free(md->fstab->fs_spec);
|
|
free(md->fstab->fs_file);
|
|
free(md->fstab->fs_vfstype);
|
|
free(md->fstab->fs_mntops);
|
|
free(md->fstab->fs_type);
|
|
free(md->fstab);
|
|
md->fstab = NULL;
|
|
}
|
|
} else {
|
|
if (md->fstab == NULL) {
|
|
md->fstab = malloc(sizeof(struct fstab));
|
|
} else {
|
|
free(md->fstab->fs_spec);
|
|
free(md->fstab->fs_file);
|
|
free(md->fstab->fs_vfstype);
|
|
free(md->fstab->fs_mntops);
|
|
free(md->fstab->fs_type);
|
|
}
|
|
md->fstab->fs_spec = malloc(strlen(name) + 6);
|
|
sprintf(md->fstab->fs_spec, "/dev/%s", name);
|
|
md->fstab->fs_file = strdup(mountpoint);
|
|
/* Get VFS from text after freebsd-, if possible */
|
|
if (strncmp("freebsd-", type, 8) == 0)
|
|
md->fstab->fs_vfstype = strdup(&type[8]);
|
|
else if (strcmp("fat32", type) == 0 || strcmp("efi", type) == 0)
|
|
md->fstab->fs_vfstype = strdup("msdosfs");
|
|
else
|
|
md->fstab->fs_vfstype = strdup(type); /* Guess */
|
|
if (strcmp(type, "freebsd-swap") == 0) {
|
|
md->fstab->fs_type = strdup(FSTAB_SW);
|
|
md->fstab->fs_freq = 0;
|
|
md->fstab->fs_passno = 0;
|
|
} else {
|
|
md->fstab->fs_type = strdup(FSTAB_RW);
|
|
if (strcmp(mountpoint, "/") == 0) {
|
|
md->fstab->fs_freq = 1;
|
|
md->fstab->fs_passno = 1;
|
|
} else {
|
|
md->fstab->fs_freq = 2;
|
|
md->fstab->fs_passno = 2;
|
|
}
|
|
}
|
|
md->fstab->fs_mntops = strdup(md->fstab->fs_type);
|
|
}
|
|
}
|
|
|
|
static
|
|
int part_compare(const void *xa, const void *xb)
|
|
{
|
|
struct gprovider **a = (struct gprovider **)xa;
|
|
struct gprovider **b = (struct gprovider **)xb;
|
|
intmax_t astart, bstart;
|
|
struct gconfig *gc;
|
|
|
|
astart = bstart = 0;
|
|
LIST_FOREACH(gc, &(*a)->lg_config, lg_config)
|
|
if (strcmp(gc->lg_name, "start") == 0) {
|
|
astart = strtoimax(gc->lg_val, NULL, 0);
|
|
break;
|
|
}
|
|
LIST_FOREACH(gc, &(*b)->lg_config, lg_config)
|
|
if (strcmp(gc->lg_name, "start") == 0) {
|
|
bstart = strtoimax(gc->lg_val, NULL, 0);
|
|
break;
|
|
}
|
|
|
|
if (astart < bstart)
|
|
return -1;
|
|
else if (astart > bstart)
|
|
return 1;
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
intmax_t
|
|
gpart_max_free(struct ggeom *geom, intmax_t *npartstart)
|
|
{
|
|
struct gconfig *gc;
|
|
struct gprovider *pp, **providers;
|
|
intmax_t lastend;
|
|
intmax_t start, end;
|
|
intmax_t maxsize, maxstart;
|
|
intmax_t partstart, partend;
|
|
int i, nparts;
|
|
|
|
/* Now get the maximum free size and free start */
|
|
start = end = 0;
|
|
LIST_FOREACH(gc, &geom->lg_config, lg_config) {
|
|
if (strcmp(gc->lg_name, "first") == 0)
|
|
start = strtoimax(gc->lg_val, NULL, 0);
|
|
if (strcmp(gc->lg_name, "last") == 0)
|
|
end = strtoimax(gc->lg_val, NULL, 0);
|
|
}
|
|
|
|
i = nparts = 0;
|
|
LIST_FOREACH(pp, &geom->lg_provider, lg_provider)
|
|
nparts++;
|
|
providers = calloc(nparts, sizeof(providers[0]));
|
|
LIST_FOREACH(pp, &geom->lg_provider, lg_provider)
|
|
providers[i++] = pp;
|
|
qsort(providers, nparts, sizeof(providers[0]), part_compare);
|
|
|
|
lastend = start - 1;
|
|
maxsize = 0;
|
|
for (i = 0; i < nparts; i++) {
|
|
pp = providers[i];
|
|
|
|
LIST_FOREACH(gc, &pp->lg_config, lg_config) {
|
|
if (strcmp(gc->lg_name, "start") == 0)
|
|
partstart = strtoimax(gc->lg_val, NULL, 0);
|
|
if (strcmp(gc->lg_name, "end") == 0)
|
|
partend = strtoimax(gc->lg_val, NULL, 0);
|
|
}
|
|
|
|
if (partstart - lastend > maxsize) {
|
|
maxsize = partstart - lastend - 1;
|
|
maxstart = lastend + 1;
|
|
}
|
|
|
|
lastend = partend;
|
|
}
|
|
|
|
if (end - lastend > maxsize) {
|
|
maxsize = end - lastend - 1;
|
|
maxstart = lastend + 1;
|
|
}
|
|
|
|
pp = LIST_FIRST(&geom->lg_consumer)->lg_provider;
|
|
|
|
/* Compute beginning of new partition and maximum available space */
|
|
if (pp->lg_stripesize > 0 &&
|
|
(maxstart*pp->lg_sectorsize % pp->lg_stripesize) != 0) {
|
|
intmax_t offset = (pp->lg_stripesize -
|
|
((maxstart*pp->lg_sectorsize) % pp->lg_stripesize)) /
|
|
pp->lg_sectorsize;
|
|
maxstart += offset;
|
|
maxsize -= offset;
|
|
}
|
|
|
|
if (npartstart != NULL)
|
|
*npartstart = maxstart;
|
|
|
|
return (maxsize);
|
|
}
|
|
|
|
void
|
|
gpart_create(struct gprovider *pp, char *default_type, char *default_size,
|
|
char *default_mountpoint, char **partname, int interactive)
|
|
{
|
|
struct gctl_req *r;
|
|
struct gconfig *gc;
|
|
struct gconsumer *cp;
|
|
struct ggeom *geom;
|
|
const char *errstr, *scheme;
|
|
char sizestr[32], startstr[32], output[64], *newpartname;
|
|
char newfs[64], options_fstype[64];
|
|
intmax_t maxsize, size, sector, firstfree, stripe;
|
|
uint64_t bytes;
|
|
int nitems, choice, junk;
|
|
unsigned i;
|
|
|
|
DIALOG_FORMITEM items[] = {
|
|
{0, "Type:", 5, 0, 0, FALSE, "freebsd-ufs", 11, 0, 12, 15, 0,
|
|
FALSE, "Filesystem type (e.g. freebsd-ufs, freebsd-swap)",
|
|
FALSE},
|
|
{0, "Size:", 5, 1, 0, FALSE, "", 11, 1, 12, 15, 0,
|
|
FALSE, "Partition size. Append K, M, G for kilobytes, "
|
|
"megabytes or gigabytes.", FALSE},
|
|
{0, "Mountpoint:", 11, 2, 0, FALSE, "", 11, 2, 12, 15, 0,
|
|
FALSE, "Path at which to mount partition (blank for "
|
|
"swap, / for root filesystem)", FALSE},
|
|
{0, "Label:", 7, 3, 0, FALSE, "", 11, 3, 12, 15, 0, FALSE,
|
|
"Partition name. Not all partition schemes support this.",
|
|
FALSE},
|
|
};
|
|
|
|
if (partname != NULL)
|
|
*partname = NULL;
|
|
|
|
/* Record sector and stripe sizes */
|
|
sector = pp->lg_sectorsize;
|
|
stripe = pp->lg_stripesize;
|
|
|
|
/*
|
|
* Find the PART geom we are manipulating. This may be a consumer of
|
|
* this provider, or its parent. Check the consumer case first.
|
|
*/
|
|
geom = NULL;
|
|
LIST_FOREACH(cp, &pp->lg_consumers, lg_consumers)
|
|
if (strcmp(cp->lg_geom->lg_class->lg_name, "PART") == 0) {
|
|
geom = cp->lg_geom;
|
|
break;
|
|
}
|
|
|
|
if (geom == NULL && strcmp(pp->lg_geom->lg_class->lg_name, "PART") == 0)
|
|
geom = pp->lg_geom;
|
|
|
|
/* Now get the partition scheme */
|
|
scheme = NULL;
|
|
if (geom != NULL) {
|
|
LIST_FOREACH(gc, &geom->lg_config, lg_config)
|
|
if (strcmp(gc->lg_name, "scheme") == 0)
|
|
scheme = gc->lg_val;
|
|
}
|
|
|
|
if (geom == NULL || scheme == NULL || strcmp(scheme, "(none)") == 0) {
|
|
if (gpart_partition(pp->lg_name, NULL) == 0)
|
|
dialog_msgbox("",
|
|
"The partition table has been successfully created."
|
|
" Please press Create again to create partitions.",
|
|
0, 0, TRUE);
|
|
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* If we still don't have a geom, either the user has
|
|
* canceled partitioning or there has been an error which has already
|
|
* been displayed, so bail.
|
|
*/
|
|
if (geom == NULL)
|
|
return;
|
|
|
|
maxsize = size = gpart_max_free(geom, &firstfree);
|
|
if (size <= 0) {
|
|
dialog_msgbox("Error", "No free space left on device.", 0, 0,
|
|
TRUE);
|
|
return;
|
|
}
|
|
|
|
humanize_number(sizestr, 7, size*sector, "B", HN_AUTOSCALE,
|
|
HN_NOSPACE | HN_DECIMAL);
|
|
items[1].text = sizestr;
|
|
|
|
/* Special-case the MBR default type for nested partitions */
|
|
if (strcmp(scheme, "MBR") == 0 || strcmp(scheme, "PC98") == 0) {
|
|
items[0].text = "freebsd";
|
|
items[0].help = "Filesystem type (e.g. freebsd, fat32)";
|
|
}
|
|
|
|
nitems = scheme_supports_labels(scheme) ? 4 : 3;
|
|
|
|
if (default_type != NULL)
|
|
items[0].text = default_type;
|
|
if (default_size != NULL)
|
|
items[1].text = default_size;
|
|
if (default_mountpoint != NULL)
|
|
items[2].text = default_mountpoint;
|
|
|
|
/* Default options */
|
|
strncpy(options_fstype, items[0].text,
|
|
sizeof(options_fstype));
|
|
newfs_command(options_fstype, newfs, 1);
|
|
addpartform:
|
|
if (interactive) {
|
|
dialog_vars.extra_label = "Options";
|
|
dialog_vars.extra_button = TRUE;
|
|
choice = dlg_form("Add Partition", "", 0, 0, 0, nitems,
|
|
items, &junk);
|
|
dialog_vars.extra_button = FALSE;
|
|
switch (choice) {
|
|
case 0: /* OK */
|
|
break;
|
|
case 1: /* Cancel */
|
|
return;
|
|
case 3: /* Options */
|
|
strncpy(options_fstype, items[0].text,
|
|
sizeof(options_fstype));
|
|
newfs_command(options_fstype, newfs, 0);
|
|
goto addpartform;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* If the user changed the fs type after specifying options, undo
|
|
* their choices in favor of the new filesystem's defaults.
|
|
*/
|
|
if (strcmp(options_fstype, items[0].text) != 0) {
|
|
strncpy(options_fstype, items[0].text, sizeof(options_fstype));
|
|
newfs_command(options_fstype, newfs, 1);
|
|
}
|
|
|
|
size = maxsize;
|
|
if (strlen(items[1].text) > 0) {
|
|
if (expand_number(items[1].text, &bytes) != 0) {
|
|
char error[512];
|
|
|
|
sprintf(error, "Invalid size: %s\n", strerror(errno));
|
|
dialog_msgbox("Error", error, 0, 0, TRUE);
|
|
goto addpartform;
|
|
}
|
|
size = MIN((intmax_t)(bytes/sector), maxsize);
|
|
}
|
|
|
|
/* Check if the label has a / in it */
|
|
if (strchr(items[3].text, '/') != NULL) {
|
|
dialog_msgbox("Error", "Label contains a /, which is not an "
|
|
"allowed character.", 0, 0, TRUE);
|
|
goto addpartform;
|
|
}
|
|
|
|
/* Warn if no mountpoint set */
|
|
if (strcmp(items[0].text, "freebsd-ufs") == 0 &&
|
|
items[2].text[0] != '/') {
|
|
dialog_vars.defaultno = TRUE;
|
|
choice = dialog_yesno("Warning",
|
|
"This partition does not have a valid mountpoint "
|
|
"(for the partition from which you intend to boot the "
|
|
"operating system, the mountpoint should be /). Are you "
|
|
"sure you want to continue?"
|
|
, 0, 0);
|
|
dialog_vars.defaultno = FALSE;
|
|
if (choice == 1) /* cancel */
|
|
goto addpartform;
|
|
}
|
|
|
|
/*
|
|
* Error if this scheme needs nested partitions, this is one, and
|
|
* a mountpoint was set.
|
|
*/
|
|
if (strcmp(items[0].text, "freebsd") == 0 &&
|
|
strlen(items[2].text) > 0) {
|
|
dialog_msgbox("Error", "Partitions of type \"freebsd\" are "
|
|
"nested BSD-type partition schemes and cannot have "
|
|
"mountpoints. After creating one, select it and press "
|
|
"Create again to add the actual file systems.", 0, 0, TRUE);
|
|
goto addpartform;
|
|
}
|
|
|
|
/* If this is the root partition, check that this scheme is bootable */
|
|
if (strcmp(items[2].text, "/") == 0 && !is_scheme_bootable(scheme)) {
|
|
char message[512];
|
|
sprintf(message, "This partition scheme (%s) is not bootable "
|
|
"on this platform. Are you sure you want to proceed?",
|
|
scheme);
|
|
dialog_vars.defaultno = TRUE;
|
|
choice = dialog_yesno("Warning", message, 0, 0);
|
|
dialog_vars.defaultno = FALSE;
|
|
if (choice == 1) /* cancel */
|
|
goto addpartform;
|
|
}
|
|
|
|
/*
|
|
* If this is the root partition, and we need a boot partition, ask
|
|
* the user to add one.
|
|
*/
|
|
|
|
/* Check for existing freebsd-boot partition */
|
|
LIST_FOREACH(pp, &geom->lg_provider, lg_provider) {
|
|
struct partition_metadata *md;
|
|
md = get_part_metadata(pp->lg_name, 0);
|
|
if (md == NULL || !md->bootcode)
|
|
continue;
|
|
LIST_FOREACH(gc, &pp->lg_config, lg_config)
|
|
if (strcmp(gc->lg_name, "type") == 0)
|
|
break;
|
|
if (gc != NULL && strcmp(gc->lg_val, "freebsd-boot") == 0)
|
|
break;
|
|
}
|
|
|
|
/* If there isn't one, and we need one, ask */
|
|
if (strcmp(items[2].text, "/") == 0 && bootpart_size(scheme) > 0 &&
|
|
pp == NULL) {
|
|
if (interactive)
|
|
choice = dialog_yesno("Boot Partition",
|
|
"This partition scheme requires a boot partition "
|
|
"for the disk to be bootable. Would you like to "
|
|
"make one now?", 0, 0);
|
|
else
|
|
choice = 0;
|
|
|
|
if (choice == 0) { /* yes */
|
|
r = gctl_get_handle();
|
|
gctl_ro_param(r, "class", -1, "PART");
|
|
gctl_ro_param(r, "arg0", -1, geom->lg_name);
|
|
gctl_ro_param(r, "flags", -1, GPART_FLAGS);
|
|
gctl_ro_param(r, "verb", -1, "add");
|
|
gctl_ro_param(r, "type", -1, "freebsd-boot");
|
|
snprintf(sizestr, sizeof(sizestr), "%jd",
|
|
bootpart_size(scheme) / sector);
|
|
gctl_ro_param(r, "size", -1, sizestr);
|
|
snprintf(startstr, sizeof(startstr), "%jd", firstfree);
|
|
gctl_ro_param(r, "start", -1, startstr);
|
|
gctl_rw_param(r, "output", sizeof(output), output);
|
|
errstr = gctl_issue(r);
|
|
if (errstr != NULL && errstr[0] != '\0')
|
|
gpart_show_error("Error", NULL, errstr);
|
|
gctl_free(r);
|
|
|
|
get_part_metadata(strtok(output, " "), 1)->bootcode = 1;
|
|
|
|
/* Now adjust the part we are really adding forward */
|
|
firstfree += bootpart_size(scheme) / sector;
|
|
size -= (bootpart_size(scheme) + stripe)/sector;
|
|
if (stripe > 0 && (firstfree*sector % stripe) != 0)
|
|
firstfree += (stripe - ((firstfree*sector) %
|
|
stripe)) / sector;
|
|
}
|
|
}
|
|
|
|
r = gctl_get_handle();
|
|
gctl_ro_param(r, "class", -1, "PART");
|
|
gctl_ro_param(r, "arg0", -1, geom->lg_name);
|
|
gctl_ro_param(r, "flags", -1, GPART_FLAGS);
|
|
gctl_ro_param(r, "verb", -1, "add");
|
|
|
|
gctl_ro_param(r, "type", -1, items[0].text);
|
|
snprintf(sizestr, sizeof(sizestr), "%jd", size);
|
|
gctl_ro_param(r, "size", -1, sizestr);
|
|
snprintf(startstr, sizeof(startstr), "%jd", firstfree);
|
|
gctl_ro_param(r, "start", -1, startstr);
|
|
if (items[3].text[0] != '\0')
|
|
gctl_ro_param(r, "label", -1, items[3].text);
|
|
gctl_rw_param(r, "output", sizeof(output), output);
|
|
errstr = gctl_issue(r);
|
|
if (errstr != NULL && errstr[0] != '\0') {
|
|
gpart_show_error("Error", NULL, errstr);
|
|
gctl_free(r);
|
|
goto addpartform;
|
|
}
|
|
newpartname = strtok(output, " ");
|
|
gctl_free(r);
|
|
|
|
/*
|
|
* Try to destroy any geom that gpart picked up already here from
|
|
* dirty blocks.
|
|
*/
|
|
r = gctl_get_handle();
|
|
gctl_ro_param(r, "class", -1, "PART");
|
|
gctl_ro_param(r, "arg0", -1, newpartname);
|
|
gctl_ro_param(r, "flags", -1, GPART_FLAGS);
|
|
junk = 1;
|
|
gctl_ro_param(r, "force", sizeof(junk), &junk);
|
|
gctl_ro_param(r, "verb", -1, "destroy");
|
|
gctl_issue(r); /* Error usually expected and non-fatal */
|
|
gctl_free(r);
|
|
|
|
if (strcmp(items[0].text, "freebsd-boot") == 0)
|
|
get_part_metadata(newpartname, 1)->bootcode = 1;
|
|
else if (strcmp(items[0].text, "freebsd") == 0)
|
|
gpart_partition(newpartname, "BSD");
|
|
else
|
|
set_default_part_metadata(newpartname, scheme,
|
|
items[0].text, items[2].text, newfs);
|
|
|
|
for (i = 0; i < (sizeof(items) / sizeof(items[0])); i++)
|
|
if (items[i].text_free)
|
|
free(items[i].text);
|
|
|
|
if (partname != NULL)
|
|
*partname = strdup(newpartname);
|
|
}
|
|
|
|
void
|
|
gpart_delete(struct gprovider *pp)
|
|
{
|
|
struct gconfig *gc;
|
|
struct ggeom *geom;
|
|
struct gconsumer *cp;
|
|
struct gctl_req *r;
|
|
const char *errstr;
|
|
intmax_t idx;
|
|
int is_partition;
|
|
|
|
/* Is it a partition? */
|
|
is_partition = (strcmp(pp->lg_geom->lg_class->lg_name, "PART") == 0);
|
|
|
|
/* Find out if this is the root of a gpart geom */
|
|
geom = NULL;
|
|
LIST_FOREACH(cp, &pp->lg_consumers, lg_consumers)
|
|
if (strcmp(cp->lg_geom->lg_class->lg_name, "PART") == 0) {
|
|
geom = cp->lg_geom;
|
|
break;
|
|
}
|
|
|
|
/* If so, destroy all children */
|
|
if (geom != NULL) {
|
|
gpart_destroy(geom);
|
|
|
|
/* If this is a partition, revert it, so it can be deleted */
|
|
if (is_partition) {
|
|
r = gctl_get_handle();
|
|
gctl_ro_param(r, "class", -1, "PART");
|
|
gctl_ro_param(r, "arg0", -1, geom->lg_name);
|
|
gctl_ro_param(r, "verb", -1, "undo");
|
|
gctl_issue(r); /* Ignore non-fatal errors */
|
|
gctl_free(r);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* If this is not a partition, see if that is a problem, complain if
|
|
* necessary, and return always, since we need not do anything further,
|
|
* error or no.
|
|
*/
|
|
if (!is_partition) {
|
|
if (geom == NULL)
|
|
dialog_msgbox("Error",
|
|
"Only partitions can be deleted.", 0, 0, TRUE);
|
|
return;
|
|
}
|
|
|
|
r = gctl_get_handle();
|
|
gctl_ro_param(r, "class", -1, pp->lg_geom->lg_class->lg_name);
|
|
gctl_ro_param(r, "arg0", -1, pp->lg_geom->lg_name);
|
|
gctl_ro_param(r, "flags", -1, GPART_FLAGS);
|
|
gctl_ro_param(r, "verb", -1, "delete");
|
|
|
|
LIST_FOREACH(gc, &pp->lg_config, lg_config) {
|
|
if (strcmp(gc->lg_name, "index") == 0) {
|
|
idx = atoi(gc->lg_val);
|
|
gctl_ro_param(r, "index", sizeof(idx), &idx);
|
|
break;
|
|
}
|
|
}
|
|
|
|
errstr = gctl_issue(r);
|
|
if (errstr != NULL && errstr[0] != '\0') {
|
|
gpart_show_error("Error", NULL, errstr);
|
|
gctl_free(r);
|
|
return;
|
|
}
|
|
|
|
gctl_free(r);
|
|
|
|
delete_part_metadata(pp->lg_name);
|
|
}
|
|
|
|
void
|
|
gpart_revert_all(struct gmesh *mesh)
|
|
{
|
|
struct gclass *classp;
|
|
struct gconfig *gc;
|
|
struct ggeom *gp;
|
|
struct gctl_req *r;
|
|
const char *modified;
|
|
|
|
LIST_FOREACH(classp, &mesh->lg_class, lg_class) {
|
|
if (strcmp(classp->lg_name, "PART") == 0)
|
|
break;
|
|
}
|
|
|
|
if (strcmp(classp->lg_name, "PART") != 0) {
|
|
dialog_msgbox("Error", "gpart not found!", 0, 0, TRUE);
|
|
return;
|
|
}
|
|
|
|
LIST_FOREACH(gp, &classp->lg_geom, lg_geom) {
|
|
modified = "true"; /* XXX: If we don't know (kernel too old),
|
|
* assume there are modifications. */
|
|
LIST_FOREACH(gc, &gp->lg_config, lg_config) {
|
|
if (strcmp(gc->lg_name, "modified") == 0) {
|
|
modified = gc->lg_val;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (strcmp(modified, "false") == 0)
|
|
continue;
|
|
|
|
r = gctl_get_handle();
|
|
gctl_ro_param(r, "class", -1, "PART");
|
|
gctl_ro_param(r, "arg0", -1, gp->lg_name);
|
|
gctl_ro_param(r, "verb", -1, "undo");
|
|
|
|
gctl_issue(r);
|
|
gctl_free(r);
|
|
}
|
|
}
|
|
|
|
void
|
|
gpart_commit(struct gmesh *mesh)
|
|
{
|
|
struct partition_metadata *md;
|
|
struct gclass *classp;
|
|
struct ggeom *gp;
|
|
struct gconfig *gc;
|
|
struct gconsumer *cp;
|
|
struct gprovider *pp;
|
|
struct gctl_req *r;
|
|
const char *errstr;
|
|
const char *modified;
|
|
|
|
LIST_FOREACH(classp, &mesh->lg_class, lg_class) {
|
|
if (strcmp(classp->lg_name, "PART") == 0)
|
|
break;
|
|
}
|
|
|
|
if (strcmp(classp->lg_name, "PART") != 0) {
|
|
dialog_msgbox("Error", "gpart not found!", 0, 0, TRUE);
|
|
return;
|
|
}
|
|
|
|
LIST_FOREACH(gp, &classp->lg_geom, lg_geom) {
|
|
modified = "true"; /* XXX: If we don't know (kernel too old),
|
|
* assume there are modifications. */
|
|
LIST_FOREACH(gc, &gp->lg_config, lg_config) {
|
|
if (strcmp(gc->lg_name, "modified") == 0) {
|
|
modified = gc->lg_val;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (strcmp(modified, "false") == 0)
|
|
continue;
|
|
|
|
/* Add bootcode if necessary, before the commit */
|
|
md = get_part_metadata(gp->lg_name, 0);
|
|
if (md != NULL && md->bootcode)
|
|
gpart_bootcode(gp);
|
|
|
|
/* Now install partcode on its partitions, if necessary */
|
|
LIST_FOREACH(pp, &gp->lg_provider, lg_provider) {
|
|
md = get_part_metadata(pp->lg_name, 0);
|
|
if (md == NULL || !md->bootcode)
|
|
continue;
|
|
|
|
/* Mark this partition active if that's required */
|
|
gpart_activate(pp);
|
|
|
|
/* Check if the partition has sub-partitions */
|
|
LIST_FOREACH(cp, &pp->lg_consumers, lg_consumers)
|
|
if (strcmp(cp->lg_geom->lg_class->lg_name,
|
|
"PART") == 0)
|
|
break;
|
|
|
|
if (cp == NULL) /* No sub-partitions */
|
|
gpart_partcode(pp);
|
|
}
|
|
|
|
r = gctl_get_handle();
|
|
gctl_ro_param(r, "class", -1, "PART");
|
|
gctl_ro_param(r, "arg0", -1, gp->lg_name);
|
|
gctl_ro_param(r, "verb", -1, "commit");
|
|
|
|
errstr = gctl_issue(r);
|
|
if (errstr != NULL && errstr[0] != '\0')
|
|
gpart_show_error("Error", NULL, errstr);
|
|
gctl_free(r);
|
|
}
|
|
}
|
|
|