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New API calls iso_write_opts_set_part_type_guid(), iso_write_opts_set_iso_type_guid()

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This commit is contained in:
Thomas Schmitt
2019-02-18 12:47:09 +01:00
parent e1097dbb5d
commit aed8bda955
5 changed files with 113 additions and 10 deletions
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27
libisofs/ecma119.c
View File

@ -3588,11 +3588,15 @@ int iso_write_opts_new(IsoWriteOpts **opts, int profile)
wopts->appended_partitions[i] = NULL;
wopts->appended_part_types[i] = 0;
wopts->appended_part_flags[i] = 0;
memset(wopts->appended_part_type_guids[i], 0, 16);
wopts->appended_part_gpt_flags[i] = 0;
}
wopts->appended_as_gpt = 0;
wopts->appended_as_apm = 0;
wopts->part_like_isohybrid = 0;
wopts->iso_mbr_part_type = -1;
memset(wopts->iso_gpt_type_guid, 0, 16);
wopts->iso_gpt_flag= 0;
wopts->ascii_disc_label[0] = 0;
wopts->will_cancel = 0;
wopts->allow_dir_id_ext = 0;
@ -4310,6 +4314,20 @@ int iso_write_opts_set_partition_img(IsoWriteOpts *opts, int partition_number,
return ISO_SUCCESS;
}
int iso_write_opts_set_part_type_guid(IsoWriteOpts *opts, int partition_number,
uint8_t guid[16], int valid)
{
if (partition_number < 1 || partition_number > ISO_MAX_PARTITIONS)
return ISO_BAD_PARTITION_NO;
if (valid)
memcpy(opts->appended_part_type_guids[partition_number - 1], guid, 16);
if (valid)
opts->appended_part_gpt_flags[partition_number - 1]|= 1;
else
opts->appended_part_gpt_flags[partition_number - 1]&= ~1;
return ISO_SUCCESS;
}
int iso_write_opts_set_appended_as_gpt(IsoWriteOpts *opts, int gpt)
{
opts->appended_as_gpt = !!gpt;
@ -4336,6 +4354,15 @@ int iso_write_opts_set_iso_mbr_part_type(IsoWriteOpts *opts, int part_type)
return ISO_SUCCESS;
}
int iso_write_opts_set_iso_type_guid(IsoWriteOpts *opts, uint8_t guid[16],
int valid)
{
if (valid)
memcpy(opts->iso_gpt_type_guid, guid, 16);
opts->iso_gpt_flag = (opts->iso_gpt_flag & ~1) | !!valid;
return ISO_SUCCESS;
}
int iso_write_opts_set_disc_label(IsoWriteOpts *opts, char *label)
{
strncpy(opts->ascii_disc_label, label, ISO_DISC_LABEL_SIZE - 1);

19
libisofs/ecma119.h
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@ -476,12 +476,19 @@ struct iso_write_opts {
char *efi_boot_partition;
int efi_boot_part_flag;
/* Eventual disk file paths of prepared images which shall be appended
after the ISO image and described by partiton table entries in a MBR
/* Disk file paths of prepared images which shall be appended
after the ISO image and described by partiton table entries in a MBR.
NULL means unused.
*/
char *appended_partitions[ISO_MAX_PARTITIONS];
uint8_t appended_part_types[ISO_MAX_PARTITIONS];
int appended_part_flags[ISO_MAX_PARTITIONS];
uint8_t appended_part_type_guids[ISO_MAX_PARTITIONS][16];
/* Flags in case that appended partitions show up in GPT:
bit0= appended_part_type_guids is valid
*/
uint8_t appended_part_gpt_flags[ISO_MAX_PARTITIONS];
/* If 1: With appended partitions: create protective MBR and mark by GPT
*/
@ -504,6 +511,14 @@ struct iso_write_opts {
*/
int iso_mbr_part_type;
/* iso_write_opts_set_iso_type_guid
*/
uint8_t iso_gpt_type_guid[16];
/* bit0= iso_gpt_type_guid is valid
*/
int iso_gpt_flag;
/* Eventual name of the non-ISO aspect of the image. E.g. SUN ASCII label.
*/
char ascii_disc_label[ISO_DISC_LABEL_SIZE];

60
libisofs/libisofs.h
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@ -4,7 +4,7 @@
/*
* Copyright (c) 2007-2008 Vreixo Formoso, Mario Danic
* Copyright (c) 2009-2018 Thomas Schmitt
* Copyright (c) 2009-2019 Thomas Schmitt
*
* This file is part of the libisofs project; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version 2
@ -2626,9 +2626,10 @@ int iso_write_opts_set_efi_bootp(IsoWriteOpts *opts, char *image_path,
* @param opts
* The option set to be manipulated.
* @param guid
* 16 bytes of user supplied GUID. Readily byte-swapped as prescribed by
* UEFI specs: 4 byte, 2 byte, 2 byte as little-endian. The rest as
* big-endian.
* 16 bytes of user supplied GUID. Readily byte-swapped from the text
* form as prescribed by UEFI specs:
* 4 byte, 2 byte, 2 byte as little-endian.
* 2 byte, 6 byte as big-endian.
* The upper 4 bit of guid[7] should bear the value 4 to express the
* RFC 4122 version 4. Bit 7 of byte[8] should be set to 1 and bit 6
* be set to 0, in order to express the RFC 4122 variant of UUID,
@ -2721,6 +2722,32 @@ int iso_write_opts_set_partition_img(IsoWriteOpts *opts, int partition_number,
*/
int iso_write_opts_set_appended_as_gpt(IsoWriteOpts *opts, int gpt);
/**
* Set the GPT Type GUID for a partition defined by
* iso_write_opts_set_partition_img().
*
* @param opts
* The option set to be manipulated.
* @param partition_number
* Depicts the partition table entry which shall get the Type GUID.
* @param guid
* 16 bytes of user supplied GUID. Readily byte-swapped from the text
* form as prescribed by UEFI specs:
* 4 byte, 2 byte, 2 byte as little-endian.
* 2 byte, 6 byte as big-endian.
* @param valid
* Set to 1 to make this Type GUID valid.
* Set to 0 in order to invalidate a previously made setting. In this
* case MBR type 0xEF will become the EFI Type GUID. All others will
* become the Basic Data Partition Type GUID.
* @return
* ISO_SUCCESS or error
*
* @since 1.5.2
*/
int iso_write_opts_set_part_type_guid(IsoWriteOpts *opts, int partition_number,
uint8_t guid[16], int valid);
/**
* Control whether partitions created by iso_write_opts_set_partition_img()
* are to be represented in Apple Partition Map.
@ -2780,10 +2807,35 @@ int iso_write_opts_set_part_like_isohybrid(IsoWriteOpts *opts, int alike);
* 0x00 to 0xff as desired partition type.
* Any other value (e.g. -1) enables the default types of the various
* occasions.
* @return
* ISO_SUCCESS or error
* @since 1.4.8
*/
int iso_write_opts_set_iso_mbr_part_type(IsoWriteOpts *opts, int part_type);
/**
* Set the GPT Type GUID for the partition which represents the ISO 9660
* filesystem, if such a partition emerges in GPT.
* @param opts
* The option set to be manipulated.
* @param guid
* 16 bytes of user supplied GUID. Readily byte-swapped from the text
* form as prescribed by UEFI specs:
* 4 byte, 2 byte, 2 byte as little-endian.
* 2 byte, 6 byte as big-endian.
* @param valid
* Set to 1 to make this Type GUID valid.
* Set to 0 in order to invalidate a previously made setting. In this
* case the setting of iso_write_opts_set_iso_mbr_part_type() or its
* default will get into effect.
* @return
* ISO_SUCCESS or error
*
* @since 1.5.2
*/
int iso_write_opts_set_iso_type_guid(IsoWriteOpts *opts, uint8_t guid[16],
int valid);
/**
* Inquire the start address of the file data blocks after having used
* IsoWriteOpts with iso_image_create_burn_source().

2
libisofs/libisofs.ver
View File

@ -334,6 +334,7 @@ iso_write_opts_set_hfsplus;
iso_write_opts_set_iso1999;
iso_write_opts_set_iso_level;
iso_write_opts_set_iso_mbr_part_type;
iso_write_opts_set_iso_type_guid;
iso_write_opts_set_joliet;
iso_write_opts_set_joliet_long_names;
iso_write_opts_set_joliet_longer_paths;
@ -347,6 +348,7 @@ iso_write_opts_set_output_charset;
iso_write_opts_set_overwrite_buf;
iso_write_opts_set_part_offset;
iso_write_opts_set_part_like_isohybrid;
iso_write_opts_set_part_type_guid;
iso_write_opts_set_partition_img;
iso_write_opts_set_prep_img;
iso_write_opts_set_pvd_times;

15
libisofs/system_area.c
View File

@ -1726,6 +1726,7 @@ static int iso_write_gpt(Ecma119Image *t, uint32_t img_blocks, uint8_t *buf)
struct iso_gpt_partition_request *req;
uint8_t gpt_name[72];
static uint8_t zero_uuid[16] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
static uint8_t *type_guid;
static uint64_t gpt_flags = (((uint64_t) 1) << 60) | 1;
if (t->gpt_req_count == 0)
@ -1774,16 +1775,20 @@ static int iso_write_gpt(Ecma119Image *t, uint32_t img_blocks, uint8_t *buf)
}
} else if (part_end < goal) {
memset(gpt_name, 0, 72);
type_guid = basic_data_uuid;
if (goal == t->vol_space_size * (uint64_t) 4 &&
part_end == t->opts->partition_offset * (uint64_t) 4)
part_end == t->opts->partition_offset * (uint64_t) 4) {
sprintf((char *) gpt_name, "ISO9660");
else
if (t->opts->iso_gpt_flag & 1)
type_guid = t->opts->iso_gpt_type_guid;
} else {
sprintf((char *) gpt_name, "Gap%d", gap_counter);
}
iso_ascii_utf_16le(gpt_name);
gap_counter++;
ret = iso_quick_gpt_entry(t->gpt_req, &(t->gpt_req_count),
part_end, goal - part_end,
basic_data_uuid, zero_uuid,
type_guid, zero_uuid,
gpt_flags, gpt_name);
if (ret < 0)
return ret;
@ -2664,7 +2669,9 @@ int assess_appended_gpt(Ecma119Image *t, int flag)
memset(gpt_name, 0, 72);
sprintf((char *) gpt_name, "Appended%d", i + 1);
iso_ascii_utf_16le(gpt_name);
if (t->opts->appended_part_types[i] == 0xef)
if (t->opts->appended_part_gpt_flags[i] & 1)
type_uuid = t->opts->appended_part_type_guids[i];
else if (t->opts->appended_part_types[i] == 0xef)
type_uuid = efi_sys_uuid;
else
type_uuid = basic_data_uuid;