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Update libmaxminddb library to version 1.4.2.

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This commit is contained in:
Sandu Liviu Catalin 2020-03-20 21:29:08 +02:00
parent 8da1d76453
commit e1ce21962e
5 changed files with 50 additions and 91 deletions
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6
config/common/maxminddb_config.h
View File

@ -31,7 +31,7 @@
#define PACKAGE_NAME "libmaxminddb"
/* Define to the full name and version of this package. */
#define PACKAGE_STRING "libmaxminddb 1.3.2"
#define PACKAGE_STRING "libmaxminddb 1.4.2"
/* Define to the one symbol short name of this package. */
#define PACKAGE_TARNAME "libmaxminddb"
@ -40,12 +40,12 @@
#define PACKAGE_URL ""
/* Define to the version of this package. */
#define PACKAGE_VERSION "1.3.2"
#define PACKAGE_VERSION "1.4.2"
/* Define to 1 if you have the ANSI C header files. */
#define STDC_HEADERS 1
/* Version number of package */
#define VERSION "1.3.2"
#define VERSION "1.4.2"
#endif /* MAXMINDDB_CONFIG_H */

6
config/gcc32/maxminddb_config.h
View File

@ -112,7 +112,7 @@
#define PACKAGE_NAME "libmaxminddb"
/* Define to the full name and version of this package. */
#define PACKAGE_STRING "libmaxminddb 1.2.1"
#define PACKAGE_STRING "libmaxminddb 1.4.2"
/* Define to the one symbol short name of this package. */
#define PACKAGE_TARNAME "libmaxminddb"
@ -121,13 +121,13 @@
#define PACKAGE_URL ""
/* Define to the version of this package. */
#define PACKAGE_VERSION "1.2.1"
#define PACKAGE_VERSION "1.4.2"
/* Define to 1 if you have the ANSI C header files. */
#define STDC_HEADERS 1
/* Version number of package */
#define VERSION "1.2.1"
#define VERSION "1.4.2"
/* Define for Solaris 2.5.1 so the uint32_t typedef from <sys/synch.h>,
<pthread.h>, or <semaphore.h> is not used. If the typedef were allowed, the

6
config/gcc64/maxminddb_config.h
View File

@ -112,7 +112,7 @@
#define PACKAGE_NAME "libmaxminddb"
/* Define to the full name and version of this package. */
#define PACKAGE_STRING "libmaxminddb 1.2.1"
#define PACKAGE_STRING "libmaxminddb 1.4.2"
/* Define to the one symbol short name of this package. */
#define PACKAGE_TARNAME "libmaxminddb"
@ -121,13 +121,13 @@
#define PACKAGE_URL ""
/* Define to the version of this package. */
#define PACKAGE_VERSION "1.2.1"
#define PACKAGE_VERSION "1.4.2"
/* Define to 1 if you have the ANSI C header files. */
#define STDC_HEADERS 1
/* Version number of package */
#define VERSION "1.2.1"
#define VERSION "1.4.2"
/* Define for Solaris 2.5.1 so the uint32_t typedef from <sys/synch.h>,
<pthread.h>, or <semaphore.h> is not used. If the typedef were allowed, the

106
external/MaxmindDB/maxminddb.c vendored
View File

@ -157,9 +157,6 @@ LOCAL int find_address_in_search_tree(const MMDB_s *const mmdb,
MMDB_lookup_result_s *result);
LOCAL record_info_s record_info_for_database(const MMDB_s *const mmdb);
LOCAL int find_ipv4_start_node(MMDB_s *const mmdb);
LOCAL uint8_t maybe_populate_result(const MMDB_s *const mmdb, uint32_t record,
uint16_t netmask,
MMDB_lookup_result_s *result);
LOCAL uint8_t record_type(const MMDB_s *const mmdb, uint64_t record);
LOCAL uint32_t get_left_28_bit_record(const uint8_t *record);
LOCAL uint32_t get_right_28_bit_record(const uint8_t *record);
@ -929,76 +926,48 @@ LOCAL int find_address_in_search_tree(const MMDB_s *const mmdb,
return MMDB_UNKNOWN_DATABASE_FORMAT_ERROR;
}
DEBUG_NL;
DEBUG_MSG("Looking for address in search tree");
uint32_t value = 0;
uint16_t max_depth0 = mmdb->depth - 1;
uint16_t start_bit = max_depth0;
uint16_t current_bit = 0;
if (mmdb->metadata.ip_version == 6 && address_family == AF_INET) {
/* ipv4 start node values set at open */
DEBUG_MSGF("IPv4 start node is %u (netmask %u)",
mmdb->ipv4_start_node.node_value,
mmdb->ipv4_start_node.netmask);
uint8_t type = maybe_populate_result(mmdb,
mmdb->ipv4_start_node.node_value,
mmdb->ipv4_start_node.netmask,
result);
if (MMDB_RECORD_TYPE_INVALID == type) {
return MMDB_CORRUPT_SEARCH_TREE_ERROR;
}
/* We have an IPv6 database with no IPv4 data */
if (MMDB_RECORD_TYPE_SEARCH_NODE != type) {
return MMDB_SUCCESS;
}
value = mmdb->ipv4_start_node.node_value;
start_bit -= mmdb->ipv4_start_node.netmask;
current_bit = mmdb->ipv4_start_node.netmask;
}
uint32_t node_count = mmdb->metadata.node_count;
const uint8_t *search_tree = mmdb->file_content;
const uint8_t *record_pointer;
for (int current_bit = start_bit; current_bit >= 0; current_bit--) {
uint8_t bit_is_true =
address[(max_depth0 - current_bit) >> 3]
& (1U << (~(max_depth0 - current_bit) & 7)) ? 1 : 0;
DEBUG_MSGF("Looking at bit %i - bit's value is %i", current_bit,
bit_is_true);
DEBUG_MSGF(" current node = %u", value);
for (; current_bit < mmdb->depth && value < node_count; current_bit++) {
uint8_t bit = 1U &
(address[current_bit >> 3] >> (7 - (current_bit % 8)));
record_pointer = &search_tree[value * record_info.record_length];
if (record_pointer + record_info.record_length > mmdb->data_section) {
return MMDB_CORRUPT_SEARCH_TREE_ERROR;
}
if (bit_is_true) {
if (bit) {
record_pointer += record_info.right_record_offset;
value = record_info.right_record_getter(record_pointer);
} else {
value = record_info.left_record_getter(record_pointer);
}
uint8_t type = maybe_populate_result(mmdb, value, (uint16_t)current_bit,
result);
if (MMDB_RECORD_TYPE_INVALID == type) {
return MMDB_CORRUPT_SEARCH_TREE_ERROR;
}
if (MMDB_RECORD_TYPE_SEARCH_NODE != type) {
return MMDB_SUCCESS;
}
DEBUG_MSGF(" proceeding to search tree node %i", value);
}
DEBUG_MSG(
"Reached the end of the address bits without leaving the search tree");
result->netmask = current_bit;
// We should not be able to reach this return. If we do, something very bad happened.
return MMDB_CORRUPT_SEARCH_TREE_ERROR;
if (value >= node_count + mmdb->data_section_size) {
// The pointer points off the end of the database.
return MMDB_CORRUPT_SEARCH_TREE_ERROR;
}
if (value == node_count) {
// record is empty
result->found_entry = false;
return MMDB_SUCCESS;
}
result->found_entry = true;
result->entry.offset = data_section_offset_for_record(mmdb, value);
return MMDB_SUCCESS;
}
LOCAL record_info_s record_info_for_database(const MMDB_s *const mmdb)
@ -1042,17 +1011,14 @@ LOCAL int find_ipv4_start_node(MMDB_s *const mmdb)
uint32_t node_value = 0;
const uint8_t *record_pointer;
uint16_t netmask;
for (netmask = 0; netmask < 96; netmask++) {
uint32_t node_count = mmdb->metadata.node_count;
for (netmask = 0; netmask < 96 && node_value < node_count; netmask++) {
record_pointer = &search_tree[node_value * record_info.record_length];
if (record_pointer + record_info.record_length > mmdb->data_section) {
return MMDB_CORRUPT_SEARCH_TREE_ERROR;
}
node_value = record_info.left_record_getter(record_pointer);
/* This can happen if there's no IPv4 data _or_ if there is a subnet
* with data that contains the entire IPv4 range (like ::/64) */
if (node_value >= mmdb->metadata.node_count) {
break;
}
}
mmdb->ipv4_start_node.node_value = node_value;
@ -1061,28 +1027,6 @@ LOCAL int find_ipv4_start_node(MMDB_s *const mmdb)
return MMDB_SUCCESS;
}
LOCAL uint8_t maybe_populate_result(const MMDB_s *const mmdb, uint32_t record,
uint16_t netmask,
MMDB_lookup_result_s *result)
{
uint8_t type = record_type(mmdb, record);
if (MMDB_RECORD_TYPE_SEARCH_NODE == type ||
MMDB_RECORD_TYPE_INVALID == type) {
return type;
}
result->netmask = mmdb->depth - netmask;
result->entry.offset = data_section_offset_for_record(mmdb, record);
// type is either MMDB_RECORD_TYPE_DATA or MMDB_RECORD_TYPE_EMPTY
// at this point
result->found_entry = MMDB_RECORD_TYPE_DATA == type;
return type;
}
LOCAL uint8_t record_type(const MMDB_s *const mmdb, uint64_t record)
{
uint32_t node_count = mmdb->metadata.node_count;

17
include/maxminddb.h
View File

@ -28,7 +28,7 @@ extern "C" {
#include <winsock2.h>
#include <ws2tcpip.h>
/* libmaxminddb package version from configure */
#define PACKAGE_VERSION "1.3.2"
#define PACKAGE_VERSION "1.4.2"
typedef ADDRESS_FAMILY sa_family_t;
@ -151,6 +151,10 @@ typedef struct MMDB_description_s {
const char *description;
} MMDB_description_s;
/* WARNING: do not add new fields to this struct without bumping the SONAME.
* The struct is allocated by the users of this library and increasing the
* size will cause existing users to allocate too little space when the shared
* library is upgraded */
typedef struct MMDB_metadata_s {
uint32_t node_count;
uint16_t record_size;
@ -167,13 +171,23 @@ typedef struct MMDB_metadata_s {
size_t count;
MMDB_description_s **descriptions;
} description;
/* See above warning before adding fields */
} MMDB_metadata_s;
/* WARNING: do not add new fields to this struct without bumping the SONAME.
* The struct is allocated by the users of this library and increasing the
* size will cause existing users to allocate too little space when the shared
* library is upgraded */
typedef struct MMDB_ipv4_start_node_s {
uint16_t netmask;
uint32_t node_value;
/* See above warning before adding fields */
} MMDB_ipv4_start_node_s;
/* WARNING: do not add new fields to this struct without bumping the SONAME.
* The struct is allocated by the users of this library and increasing the
* size will cause existing users to allocate too little space when the shared
* library is upgraded */
typedef struct MMDB_s {
uint32_t flags;
const char *filename;
@ -187,6 +201,7 @@ typedef struct MMDB_s {
uint16_t depth;
MMDB_ipv4_start_node_s ipv4_start_node;
MMDB_metadata_s metadata;
/* See above warning before adding fields */
} MMDB_s;
typedef struct MMDB_search_node_s {