/
discovery.c
1144 lines (979 loc) · 37.6 KB
/
discovery.c
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// SPDX-License-Identifier: MIT
#include "common.h"
#include "utils.h"
#include <ctype.h>
#include <errno.h>
#include <libudev.h>
#define TOOL_VERSION 2
#define QUOTE(name) #name
#define STR(macro) QUOTE(macro)
enum selection {
SELECT_EVERYTHING = 0,
SELECT_METAINFORMATION = 1,
SELECT_IDENTIFY = 2,
SELECT_DISCOVERY_0 = 3,
SELECT_DISCOVERY_1 = 4,
SELECT_DISCOVERY_2 = 5,
SELECT_DISCOVERY_2_EXTRA = 6,
SELECT_RNG = 7,
};
static void print_comma_start(int *first)
{
if (*first) {
printf(",\n");
}
*first = 1;
}
static void print_uid_key(const unsigned char *uid, int spaces, int is_first)
{
if (!is_first) {
printf(",\n");
}
for (int i = 0; i < spaces; ++i) {
printf(" ");
}
printf("\"0x");
for (int i = 0; i < 8; ++i) {
printf("%02x", uid[i]);
}
printf("\": {\n");
}
static void print_level_0_discovery(struct disk_device *dev)
{
int first = 0;
if (dev->features.tper.shared.feature_code) {
struct level_0_discovery_tper_feature *body = &dev->features.tper;
print_comma_start(&first);
printf(" \"TPer Feature\": {\n"
" \"Version\": %i,\n"
" \"ComID Mgmt Supported\": %i,\n"
" \"Streaming Supported\": %i,\n"
" \"Buffer Mgmt Supported\": %i,\n"
" \"ACK/NAK Supported\": %i,\n"
" \"Async Supported\": %i,\n"
" \"Sync Supported\": %i\n"
" }",
body->shared.descriptor_version, body->comID_mgmt_supported, body->streaming_supported,
body->buffer_mgmt_supported, body->ack_nack_supported, body->async_supported, body->sync_supported);
}
if (dev->features.locking.shared.feature_code) {
struct level_0_discovery_lockin_feature *body = &dev->features.locking;
print_comma_start(&first);
switch (body->shared.descriptor_version)
{
case 0x1:
printf(" \"Locking Feature\": {\n"
" \"Version\": %i,\n"
" \"MBR Done\": %i,\n"
" \"MBR Enabled\": %i,\n"
" \"Media Encryption\": %i,\n"
" \"Locked\": %i,\n"
" \"Locking Enabled\": %i,\n"
" \"Locking Supported\": %i\n"
" }",
body->shared.descriptor_version,
body->MBR_done, body->MBR_enabled, body->media_encryption, body->locked, body->locking_enabled,
body->locking_supported);
break;
case 0x2:
printf(" \"Locking Feature\": {\n"
" \"Version\": %i,\n"
" \"MBR Shadowing Not Supported\": %i,\n"
" \"MBR Done\": %i,\n"
" \"MBR Enabled\": %i,\n"
" \"Media Encryption\": %i,\n"
" \"Locked\": %i,\n"
" \"Locking Enabled\": %i,\n"
" \"Locking Supported\": %i\n"
" }",
body->shared.descriptor_version, body->mbr_shadowing_not_supported,
body->MBR_done, body->MBR_enabled, body->media_encryption, body->locked, body->locking_enabled,
body->locking_supported);
break;
case 0x3:
default:
printf(" \"Locking Feature\": {\n"
" \"Version\": %i,\n"
" \"HW Reset for LOR/DOR Supported\": %i,\n"
" \"MBR Shadowing Not Supported\": %i,\n"
" \"MBR Done\": %i,\n"
" \"MBR Enabled\": %i,\n"
" \"Media Encryption\": %i,\n"
" \"Locked\": %i,\n"
" \"Locking Enabled\": %i,\n"
" \"Locking Supported\": %i\n"
" }",
body->shared.descriptor_version, body->hw_reset_for_lor_dor_supported, body->mbr_shadowing_not_supported,
body->MBR_done, body->MBR_enabled, body->media_encryption, body->locked, body->locking_enabled,
body->locking_supported);
break;
}
}
if (dev->features.geometry.shared.feature_code) {
struct level_0_discovery_geometry_feature *body = &dev->features.geometry;
print_comma_start(&first);
printf(" \"Geometry Feature\": {\n"
" \"Version\": %i,\n"
" \"ALIGN\": %i,\n"
" \"LogicalBlockSize\": %i,\n"
" \"AlignmentGranularity\": %li,\n"
" \"LowestAlignedLBA\": %li\n"
" }",
body->shared.descriptor_version, body->align, be32_to_cpu(body->logical_block_size),
be64_to_cpu(body->alignment_granularity), be64_to_cpu(body->lowest_alignment_LBA));
}
if (dev->features.ns_geometry.shared.feature_code) {
struct level_0_discovery_geometry_feature *body = &dev->features.geometry;
print_comma_start(&first);
printf(" \"Namespace Geometry Feature\": {\n"
" \"Version\": %i,\n"
" \"ALIGN\": %i,\n"
" \"LogicalBlockSize\": %i,\n"
" \"AlignmentGranularity\": %li,\n"
" \"LowestAlignedLBA\": %li\n"
" }",
body->shared.descriptor_version, body->align, be32_to_cpu(body->logical_block_size),
be64_to_cpu(body->alignment_granularity), be64_to_cpu(body->lowest_alignment_LBA));
}
if (dev->features.opal2.shared.feature_code) {
struct level_0_discovery_opal_2_feature *body = &dev->features.opal2;
print_comma_start(&first);
printf(" \"Opal SSC V2 Feature\": {\n"
" \"Version\": %i,\n"
" \"Minor Version\": %i,\n"
" \"Base ComID\": %i,\n"
" \"Number of ComIDs\": %i,\n"
" \"Range Crossing Behavior\": %i,\n"
" \"Number of Locking SP Admin Authorities Supported\": %i,\n"
" \"Number of Locking SP User Authorities Supported\": %i,\n"
" \"Initial C_PIN_SID PIN Indicator\": %i,\n"
" \"Behavior of C_PIN_SID PIN upon TPer Revert\": %i\n"
" }",
body->shared.descriptor_version, body->shared.reserved_minor, be16_to_cpu(body->base_comID),
be16_to_cpu(body->number_of_comIDs), body->range_crossing_behaviour,
be16_to_cpu(body->number_of_locking_admin_authorities_supported),
be16_to_cpu(body->number_of_locking_user_authorities_supported), body->initial_pin_indicator,
body->behavior_of_pin_upon_revert);
}
if (dev->features.opal1.shared.feature_code) {
struct level_0_discovery_opal_1_feature *body = &dev->features.opal1;
print_comma_start(&first);
printf(" \"Opal SSC V1 Feature\": {\n"
" \"Version\": %i,\n"
" \"Base ComID\": %i,\n"
" \"Number of ComIDs\": %i,\n"
" \"Range Crossing\": %i\n"
" }",
body->shared.descriptor_version, be16_to_cpu(body->base_comID),
be16_to_cpu(body->number_of_comIDs), body->range_crossing);
} else if (dev->features.single_user_mode.shared.feature_code) {
struct level_0_discovery_single_user_mode_feature *body = &dev->features.single_user_mode;
print_comma_start(&first);
printf(" \"Single User Mode Feature\": {\n"
" \"Version\": %i,\n"
" \"Number of Locking Objects Supported\": %i,\n"
" \"Policy\": %i,\n"
" \"All\": %i,\n"
" \"Any\": %i\n"
" }",
body->shared.descriptor_version, be32_to_cpu(body->number_of_locking_objects_supported), body->policy,
body->all, body->any);
}
if (dev->features.data_store.shared.feature_code) {
struct level_0_discovery_data_store_feature *body = &dev->features.data_store;
print_comma_start(&first);
printf(" \"DataStore Table Feature\": {\n"
" \"Version\": %i,\n"
" \"Minor Version\": %i,\n"
" \"Maximum number of DataStore tables\": %i,\n"
" \"Maximum total size of DataStore tables\": %i,\n"
" \"DataStore table size alignment\": %i\n"
" }",
body->shared.descriptor_version, body->shared.reserved_minor, be16_to_cpu(body->maximum_number_of_tables),
be32_to_cpu(body->maximum_total_size_of_tables), be32_to_cpu(body->table_size_alignment));
}
if (dev->features.block_sid_authentication.shared.feature_code) {
struct level_0_discovery_block_sid_authentication_feature *body = &dev->features.block_sid_authentication;
print_comma_start(&first);
if (body->shared.descriptor_version == 0x1){
printf(" \"Block SID Authentication Feature\": {\n"
" \"Version\": %i,\n"
" \"SID Authentication Blocked State\": %i,\n"
" \"SID Value State\": %i,\n"
" \"Hardware Reset\": %i\n"
" }",
body->shared.descriptor_version, body->sid_authentication_blocked_state, body->sid_value_state,
body->hardware_reset);
}
// else if instead of else in case TCG decide to add more params
else if (body->shared.descriptor_version == 0x2){
printf(" \"Block SID Authentication Feature\": {\n"
" \"Version\": %i,\n"
" \"Locking SP Freeze Lock State \": %i,\n"
" \"Locking SP Freeze Lock supported\": %i,\n"
" \"SID Authentication Blocked State\": %i,\n"
" \"SID Value State\": %i,\n"
" \"Hardware Reset\": %i\n"
" }",
body->shared.descriptor_version, body->locking_sp_freeze_lock_state,
body->locking_sp_freeze_lock_supported, body->sid_authentication_blocked_state, body->sid_value_state,
body->hardware_reset);
}
}
if (dev->features.pyrite1.shared.feature_code) {
struct level_0_discovery_pyrite_feature *body = &dev->features.pyrite1;
print_comma_start(&first);
printf(" \"Pyrite SSC V1 Feature\": {\n"
" \"Version\": %i,\n"
" \"Base ComID\": %i,\n"
" \"Number of ComIDs\": %i,\n"
" \"Initial C_PIN_SID PIN Indicator\": %i,\n"
" \"Behavior of C_PIN_SID PIN upon TPer Revert\": %i\n"
" }",
body->shared.descriptor_version, be16_to_cpu(body->base_comID),
be16_to_cpu(body->number_of_comIDs), body->initial_pin_indicator, body->behavior_of_pin_upon_revert);
}
if (dev->features.pyrite2.shared.feature_code) {
struct level_0_discovery_pyrite_feature *body = &dev->features.pyrite2;
print_comma_start(&first);
printf(" \"Pyrite SSC V2 Feature\": {\n"
" \"Version\": %i,\n"
" \"Base ComID\": %i,\n"
" \"Number of ComIDs\": %i,\n"
" \"Initial C_PIN_SID PIN Indicator\": %i,\n"
" \"Behavior of C_PIN_SID PIN upon TPer Revert\": %i\n"
" }",
body->shared.descriptor_version, be16_to_cpu(body->base_comID),
be16_to_cpu(body->number_of_comIDs), body->initial_pin_indicator, body->behavior_of_pin_upon_revert);
}
if (dev->features.supported_data_removal_mechanism.shared.feature_code) {
struct level_0_discovery_supported_data_removal_mechanism_feature *body =
&dev->features.supported_data_removal_mechanism;
print_comma_start(&first);
printf(" \"Supported Data Removal Mechanism Feature\": {\n"
" \"Version\": %i,\n"
" \"Data Removal Operation Processing\": %i,\n"
" \"Supported Data Removal Mechanism\": %i,\n"
" \"Data Removal Time Format for Bit 0\": %i,\n"
" \"Data Removal Time Format for Bit 1\": %i,\n"
" \"Data Removal Time Format for Bit 2\": %i,\n"
" \"Data Removal Time Format for Bit 3\": %i,\n"
" \"Data Removal Time Format for Bit 4\": %i,\n"
" \"Data Removal Time Format for Bit 5\": %i,\n"
" \"Data Removal Time for Supported Data Removal Mechanism Bit 0\": %i,\n"
" \"Data Removal Time for Supported Data Removal Mechanism Bit 1\": %i,\n"
" \"Data Removal Time for Supported Data Removal Mechanism Bit 2\": %i,\n"
" \"Data Removal Time for Supported Data Removal Mechanism Bit 3\": %i,\n"
" \"Data Removal Time for Supported Data Removal Mechanism Bit 4\": %i,\n"
" \"Data Removal Time for Supported Data Removal Mechanism Bit 5\": %i\n"
" }",
body->shared.descriptor_version, body->data_removal_operation_processing,
body->supported_data_removal_mechanism,
!!(body->data_removal_time_format & (1 << 0)), !!(body->data_removal_time_format & (1 << 1)),
!!(body->data_removal_time_format & (1 << 2)), !!(body->data_removal_time_format & (1 << 3)),
!!(body->data_removal_time_format & (1 << 4)), !!(body->data_removal_time_format & (1 << 5)),
be16_to_cpu(body->data_removal_time_for_supported_data_removal_mechanism[0]),
be16_to_cpu(body->data_removal_time_for_supported_data_removal_mechanism[1]),
be16_to_cpu(body->data_removal_time_for_supported_data_removal_mechanism[2]),
be16_to_cpu(body->data_removal_time_for_supported_data_removal_mechanism[3]),
be16_to_cpu(body->data_removal_time_for_supported_data_removal_mechanism[4]),
be16_to_cpu(body->data_removal_time_for_supported_data_removal_mechanism[5]));
}
if (dev->features.ns_locking.shared.feature_code) {
struct level_0_discovery_ns_locking_feature *body = &dev->features.ns_locking;
print_comma_start(&first);
printf(" \"Namespace Locking Feature\": {\n"
" \"Version\": %i,\n"
" \"Minor Version\": %i,\n"
" \"SUM_C\": %i,\n"
" \"Range_P\": %i,\n"
" \"Range_C\": %i,\n"
" \"Maximum Key Count\": %i,\n"
" \"Unused Key Count\": %i,\n"
" \"Maximum Ranges Per Namespace\": %i\n"
" }",
body->shared.descriptor_version, body->shared.reserved_minor, body->sum_c, body->range_p, body->range_c,
be32_to_cpu(body->maximum_key_count), be32_to_cpu(body->unused_key_count),
be32_to_cpu(body->maximum_ranges_per_ns));
}
if (dev->features.siis.shared.feature_code) {
struct level_0_discovery_siis_feature *body = &dev->features.siis;
print_comma_start(&first);
printf(" \"SIIS Feature\": {\n"
" \"Version\": %i,\n"
" \"SIIS Revision\": %i,\n"
" \"Key Change Zone Behaviour\": %i,\n"
" \"Identifier Usage Scope\": %i\n"
" }",
body->shared.descriptor_version, body->siis_revision,
body->key_change_zone_behavior, body->identifier_usage_scope);
}
for (size_t i = 0; i < dev->features.unknown_len;) {
struct level_0_discovery_feature_shared *header =
(struct level_0_discovery_feature_shared *)(dev->features.unknown + i);
size_t body_len = header->length + 4;
print_comma_start(&first);
printf(" \"0x%x\": { \"data\": \"0x", be16_to_cpu(header->feature_code));
for (size_t j = 0; j < body_len; ++j) {
printf("%02x", ((unsigned char *)header)[j]);
}
printf("\" }");
i += body_len;
}
}
static size_t parse_and_print(unsigned char *response, size_t *i, int ascii_only)
{
size_t len = 0;
size_t bytes_flag = 0;
if ((response[*i] & 0b10000000) == 0b00000000) {
// tiny atom
len = 0;
} else if ((response[*i] & 0b11000000) == 0b10000000) {
// short atom
len = (response[*i] & 0b00001111);
bytes_flag = response[*i] & 0b00100000;
} else if ((response[*i] & 0b11100000) == 0b11000000) {
// medium atom
len = ((response[*i] & 0b00000111) << 8) | (response[*i + 1]);
bytes_flag = response[*i] & 0b00010000;
*i += 1;
} else if (((response[*i] & 0b11110000) == 0b11100000)) {
// long atom
len = (response[*i] << 16) | (response[*i + 1] << 8) | (response[*i + 2]);
bytes_flag = response[*i] & 0b00001000;
*i += 2;
} else {
return 1;
}
if (ascii_only == 1) {
if (len == 0) {
printf("%c", response[*i] & 0b00111111);
} else {
size_t off = 0;
for (; off < len; ++off) {
printf("%c", response[*i + off + 1]);
}
*i += off;
}
} else {
if (bytes_flag) {
int ascii = 1;
size_t off = 0;
for (; off < len; ++off) {
if (response[*i + off + 1] < ' ' || response[*i + off + 1] > '~') {
ascii = 0;
break;
}
}
off = 0;
if (ascii) {
printf("(");
for (; off < len; ++off) {
printf("%c", response[*i + off + 1]);
}
printf(") ");
}
}
if (len == 0) {
printf("0x%02x", response[*i] & 0b00111111);
} else {
size_t off = 0;
printf("0x");
for (; off < len; ++off) {
printf("%02x", response[*i + off + 1]);
}
*i += off;
}
}
*i += 1;
return 0;
}
typedef void (*crawl_cb_t)(unsigned char *buffer, size_t buffer_len, void *data);
static int print_properties(struct disk_device *dev)
{
int err = 0;
LOG(INFO, "Get properties:\n");
unsigned char command[2048] = { 0 };
unsigned char response[2048] = { 0 };
size_t cmd_len = 0;
// No session needed for SMUID method -> just get ComID.
if ((err = do_level_0_discovery(dev))) {
LOG(ERROR, "Failed to get ComID.\n");
return err;
}
LOG(INFO, "Sending Parameters:\n");
/*
SMUID.Properties[ HostProperties = list [ name = value ... ] ]
=>
SMUID.Properties[ Properties : list [ name = value ... ], HostProperties = list [ name = value ... ] ]
*/
prepare_method(command, &cmd_len, dev, SMUID, METHOD_PROPERTIES_UID);
finish_method(command, &cmd_len);
if ((err = invoke_method(dev, command, cmd_len, response, sizeof(response)))) {
LOG(ERROR, "Failed to get communication parameters.\n");
return err;
}
size_t i = 0;
err = skip_to_parameter(response, &i, 0, 0);
if (err || response[i++] != START_LIST_TOKEN) {
return 1;
}
printf(" \"Properties\": {\n");
int first_entry = 0;
while (i < sizeof(response)) {
if (response[i] == END_LIST_TOKEN) {
break;
}
if (response[i++] != START_NAME_TOKEN) {
return 1;
}
print_comma_start(&first_entry);
printf(" \"");
parse_and_print(response, &i, 1);
printf("\": \"");
parse_and_print(response, &i, 0);
printf("\"");
if (response[i++] != END_NAME_TOKEN) {
return 1;
}
}
printf("\n }\n");
return err;
}
#define from_hex(c) (isdigit(c) ? c - '0' : tolower(c) - 'a' + 10)
static void unhexmangle_string(char *txt)
{
size_t sz = 0, len;
char *buf = txt;
len = strlen(buf);
if (!len)
return;
while(*txt && sz < len) {
if (*txt == '\\' && sz + 3 < len && txt[1] == 'x' &&
isxdigit(txt[2]) && isxdigit(txt[3])) {
*buf++ = from_hex(txt[2]) << 4 | from_hex(txt[3]);
txt += 4;
sz += 4;
} else {
*buf++ = *txt++;
sz++;
}
}
*buf = '\0';
}
static void normalize_whitespace(char *txt)
{
size_t sz, i, x = 0;
int nsp = 0, intext = 0;
sz = strlen(txt);
for (i = 0, x = 0; i < sz && x < sz;) {
if (isspace(txt[i]))
nsp++;
else
nsp = 0, intext = 1;
if (nsp > 1 || (nsp && !intext))
i++;
else
txt[x++] = txt[i++];
}
if (nsp && x > 0)
x--;
txt[x] = '\0';
}
static int print_property(struct udev_device *dev, const char *prop, const char *desc)
{
const char *data = udev_device_get_property_value(dev, prop);
char *p;
if (!data)
return 1;
p = strdup(data);
if (!p)
return 1;
if (!strcmp(prop, "ID_MODEL_ENC") || !strcmp(prop, "ID_VENDOR_ENC"))
unhexmangle_string(p);
normalize_whitespace(p);
printf(" \"%s\": \"%s\",\n", desc, p);
free(p);
return 0;
}
static int print_sysattr_int(struct udev_device *dev, const char *sysattr, const char *desc)
{
const char *data = udev_device_get_sysattr_value(dev, sysattr);
if (!data)
return 1;
printf(" \"%s\": %s,\n", desc, data);
return 0;
}
static int print_sysattr_size(struct udev_device *dev, const char *desc)
{
uint64_t size_bytes;
unsigned long long ull;
char *end;
const char *data = udev_device_get_sysattr_value(dev, "size");
if (!data)
return 1;
ull = strtoull(data, &end, 10);
if (*end || !*data || errno == ERANGE)
return 1;
size_bytes = (uint64_t)ull * 512;
printf(" \"%s\": %" PRIu64 ",\n", desc, size_bytes);
return 0;
}
static int print_udev_identify(const char *name)
{
struct udev *udev;
struct udev_device *dev;
udev = udev_new();
if (!udev) {
printf(" \"Source\": \"udev n/a\"\n");
return -ENODEV;
}
dev = udev_device_new_from_subsystem_sysname(udev, "block", name);
if (!dev) {
printf(" \"Source\": \"udev block n/a\"\n");
udev_unref(udev);
return -ENODEV;
}
print_property(dev, "ID_SERIAL_SHORT", "Serial number");
print_property(dev, "ID_REVISION", "Firmware version");
if (print_property(dev, "ID_MODEL_ENC", "Model number"))
print_property(dev, "ID_MODEL", "Model number");
if (print_property(dev, "ID_VENDOR_ENC", "Vendor"))
print_property(dev, "ID_VENDOR", "Vendor");
print_property(dev, "ID_SERIAL", "Serial number long");
print_sysattr_size(dev, "Size bytes");
print_sysattr_int(dev, "queue/hw_sector_size", "HW sector bytes");
print_sysattr_int(dev, "queue/logical_block_size", "Logical block bytes");
print_sysattr_int(dev, "queue/physical_block_size", "Physical block bytes");
printf(" \"Source\": \"udev\"\n");
udev_device_unref(dev);
udev_unref(udev);
return 0;
}
typedef void (*crawl_cb_t)(unsigned char *buffer, size_t buffer_len, void *data);
/**
* Callback to print the iterated rows.
*/
static void crawl_cb_print_row(unsigned char *response, size_t last, void *data)
{
(void)data;
size_t i = 0;
if (response[i++] != START_LIST_TOKEN) {
LOG(ERROR, "Unexpected token.\n");
}
if (response[i] == END_LIST_TOKEN) {
i += 1;
return;
}
if (response[i++] != START_LIST_TOKEN) {
LOG(ERROR, "Unexpected token.\n");
}
int first = 0;
while (i < last) {
if (response[i] == END_LIST_TOKEN) {
if (response[i + 0] != END_LIST_TOKEN || response[i + 1] != END_LIST_TOKEN) {
LOG(ERROR, "Unexpected token.\n");
}
i += 2;
break;
}
if (response[i++] != START_NAME_TOKEN) {
LOG(ERROR, "Unexpected token.\n");
}
print_comma_start(&first);
printf(" \"");
parse_and_print(response, &i, 0);
printf("\": \"");
if (parse_and_print(response, &i, 0)) {
if (response[i] != START_LIST_TOKEN)
printf("0x");
int depth = 0;
do {
if (response[i] == START_LIST_TOKEN) {
if (depth == 0)
printf("[");
depth += 1;
i += 1;
} else if (response[i] == END_LIST_TOKEN) {
depth -= 1;
if (depth == 0)
printf("]");
i += 1;
} else {
printf("%02x", response[i]);
i += 1;
}
} while (depth > 0 && i < last);
}
printf("\"");
if (response[i++] != END_NAME_TOKEN) {
LOG(ERROR, "Unexpected token.\n");
}
}
printf("\n");
}
/**
* Callback to remember the iterated rows.
*/
struct crawl_cb_save_row_data {
int count;
unsigned char data[2048];
uint64_t column;
};
static void crawl_cb_save_row(unsigned char *response, size_t last, void *data)
{
/*
[ Result : RowValues : list [ ColumnNumber = Value ... ] ]
*/
struct crawl_cb_save_row_data *collector = data;
/* Seen in some devices. */
if (response[0] == START_LIST_TOKEN && response[1] == CALL_TOKEN) {
LOG(INFO, "Bad table row.\n");
return;
}
if (response[0] != START_LIST_TOKEN || response[1] != START_LIST_TOKEN) {
LOG(ERROR, "Found unexpected token.\n");
return;
}
for (size_t i = 2; i < last; ++i) {
if (response[i] == END_LIST_TOKEN) {
return;
} else if (response[i] == START_NAME_TOKEN) {
i += 1;
uint64_t column = parse_int(response, &i);
if (column == collector->column) {
parse_bytes(response, &i, collector->data + 8 * collector->count, 8, NULL);
collector->count += 1;
return;
}
skip_atom(response, &i, last);
if (response[i] != END_NAME_TOKEN) {
LOG(ERROR, "Found unexpected token.\n");
}
} else {
LOG(ERROR, "Found unexpected token.\n");
}
}
}
static int crawl_table_row(struct disk_device *dev, unsigned char *uidref, crawl_cb_t cb, void *cb_data)
{
int err = 0;
unsigned char buffer[2048] = { 0 };
size_t i = 0;
unsigned char response[2048] = { 0 };
prepare_method(buffer, &i, dev, uidref, METHOD_GET_UID);
start_list(buffer, &i);
end_list(buffer, &i);
finish_method(buffer, &i);
if ((err = invoke_method(dev, buffer, i, response, sizeof(response)))) {
LOG(ERROR, "Failed to acquire content of row.\n");
return err;
}
struct packet_headers *header = (struct packet_headers *)response;
uint32_t last = be32_to_cpu(header->data_subpacket.length);
cb(response + sizeof(struct packet_headers), last, cb_data);
return err;
}
static int crawl_table(struct disk_device *dev, const unsigned char *table_uid, crawl_cb_t cb, void *cb_data,
int printing)
{
size_t i = 0;
int err = 0;
LOG(INFO, "Getting Table Table:\n");
unsigned char buffer[2048] = { 0 };
unsigned char response[2048] = { 0 };
LOG(INFO, "Sending Next:\n");
/*
TableUID.Next [
Where = uidref,
Count = uinteger ]
=>
[ Result : list [ uidref ... ] ]
*/
prepare_method(buffer, &i, dev, table_uid, METHOD_NEXT_UID);
finish_method(buffer, &i);
if ((err = invoke_method(dev, buffer, i, response, sizeof(response)))) {
return err;
}
skip_to_parameter(response, &i, 0, 0);
if (response[i++] != START_LIST_TOKEN) {
return 1;
}
int first = 0;
while (i < sizeof(response)) {
if (response[i++] != 0xa8) {
break;
}
if (printing) {
print_comma_start(&first);
print_uid_key(response + i, 6, 1);
}
crawl_table_row(dev, response + i, cb, cb_data);
if (printing) {
printf(" }");
}
i += 8;
}
if (printing) {
printf("\n");
}
return err;
}
static int crawl_tper(struct disk_device *dev)
{
int err = 0;
// In general:
// 1. Get Admin SP's SP table.
// 2. For every SP get Table table.
// 3. For every table iterate all rows.
struct crawl_cb_save_row_data rows_of_sp_table = { .column = 0 };
// Find all SPs from Admin SP's SP table.
if ((err = start_session(dev, ADMIN_SP_UID, ANYBODY_USER_ID, NULL, 0))) {
LOG(ERROR, "Failed to initialise session with Admin SP as Anybody.\n");
return err;
}
if ((err = crawl_table(dev, TABLE_SP_UID, crawl_cb_save_row, &rows_of_sp_table, 0))) {
LOG(ERROR, "Failed to crawl Admin SP's Table table\n");
close_session(dev);
return err;
}
if ((err = close_session(dev))) {
LOG(ERROR, "Failed to close session with Admin SP.\n");
return err;
}
for (int i = 0; i < rows_of_sp_table.count; ++i) {
struct crawl_cb_save_row_data rows_of_table_table = { .column = 0 };
unsigned char *current_sp = rows_of_sp_table.data + i * 8;
print_uid_key(current_sp, 2, i == 0);
// Find all tables from the SP's Table table.
if ((err = start_session(dev, current_sp, ANYBODY_USER_ID, NULL, 0))) {
LOG(ERROR, "Failed to initialise session with SP %i as Anybody.\n", i);
printf(" }");
continue;
}
if ((err = crawl_table(dev, TABLE_TABLE_UID, crawl_cb_save_row, &rows_of_table_table, 0))) {
close_session(dev);
LOG(ERROR, "Failed to crawl SP %i's Table table.\n", i);
printf(" }");
continue;
}
if ((err = close_session(dev))) {
LOG(ERROR, "Failed to close session with SP %i.\n", i);
printf(" }");
continue;
}
// Iterate tables found in the SP.
for (int j = 0; j < rows_of_table_table.count; ++j) {
unsigned char *current_table = rows_of_table_table.data + j * 8;
// Upper 4 bytes are table specific, lower 4 bytes represent the object.
// Shift the bytes to left, so we have table that the object represents.
current_table[0] = current_table[4];
current_table[1] = current_table[5];
current_table[2] = current_table[6];
current_table[3] = current_table[7];
current_table[4] = current_table[5] = current_table[6] = current_table[7] = 0;
print_uid_key(current_table, 4, j == 0);
if ((err = start_session(dev, current_sp, ANYBODY_USER_ID, NULL, 0))) {
LOG(ERROR, "Failed to initialise session with SP %i as Anybody.\n", i);
printf(" }");
continue;
}
if ((err = crawl_table(dev, current_table, crawl_cb_print_row, NULL, 1))) {
LOG(INFO, "Cannot iterate table. Going to print only the first row instead.\n");
// Try row XX XX XX XX 00 00 00 01 (e.g. SPInfoObj).
unsigned char row_uid[8] = { 0 };
memcpy(row_uid, current_table, 8);
row_uid[7] = 0x01;
print_uid_key(row_uid, 6, 1);
if ((err = crawl_table_row(dev, row_uid, crawl_cb_print_row, NULL))) {
printf(" \"error\": \"%s (%i)\"\n", error_to_string(err), err);
}
printf(" },\n");
// Try row XX XX XX XX 00 03 00 01 (e.g. TPerInfoObj).
row_uid[5] = 0x03;
print_uid_key(row_uid, 6, 1);
if ((err = crawl_table_row(dev, row_uid, crawl_cb_print_row, NULL))) {
printf(" \"error\": \"%s (%i)\"\n", error_to_string(err), err);
}
printf(" }\n");
}
if ((err = close_session(dev))) {
LOG(ERROR, "Failed to close a session.\n");
}
printf(" }");
}
printf("\n }");
}
printf("\n");
return err;
}
static int print_single_row(struct disk_device *dev, const unsigned char *table_uid, const unsigned char *sp_uid)
{
int err = 0;
unsigned char buffer[2048] = { 0 };
size_t i = 0;
unsigned char response[2048] = { 0 };
if ((err = start_session(dev, sp_uid, ANYBODY_USER_ID, NULL, 0))) {
LOG(ERROR, "failed to initialize session\n");
return err;
}
prepare_method(buffer, &i, dev, table_uid, METHOD_GET_UID);
start_list(buffer, &i);
end_list(buffer, &i);
finish_method(buffer, &i);
if ((err = invoke_method(dev, buffer, i, response, sizeof(response)))) {
LOG(ERROR, "Failed to acquire content of row.\n");
close_session(dev);
return err;
}
struct packet_headers *header = (struct packet_headers *)response;
uint32_t last = be32_to_cpu(header->data_subpacket.length);
crawl_cb_print_row(response + sizeof(struct packet_headers), last, NULL);
if ((err = close_session(dev))) {
LOG(ERROR, "failed to close a session\n");
return err;
}
return err;
}
static int print_discovery(struct disk_device *dev, int selection)
{
int err = 0;
int first = 0;
printf("{\n");
print_comma_start(&first);
printf("\"Metadata\": {\n"
" \"Version\": \"%i\",\n"
" \"Commit\": \"%s\"\n"
"}",
TOOL_VERSION, STR(GIT_VERSION));
print_comma_start(&first);
printf("\"Identify\": {\n");
err = print_udev_identify(dev->name);