mirror of
https://github.com/yuzu-emu/breakpad.git
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Updating MDRawMiscInfo to support verions 3 and 4 of the MINIDUMP_MISC_INFO_N structure. Added the necessary code for swapping and string conversion from UTF-16. Found and fixed a bug in MinidumpAssertion::Read where the max string length passed to UTF16codeunits was in bytes instead of UTF-16 chars.
Tested with a minidump containing a version 3 structure to validate the string conversion routines. Interestingly enough the time_zone names does not appear to be abbreviation as the documentation was suggesting but full names, e.g. Eastern Standard Time: MDRawMiscInfo size_of_info = 232 flags1 = 0xf7 process_id = 0x54c4 process_create_time = 0x51a9323c process_user_time = 0x1 process_kernel_time = 0x0 processor_max_mhz = 3100 processor_current_mhz = 1891 processor_mhz_limit = 3100 processor_max_idle_state = 0x1 processor_current_idle_state = 0x1 The new fileds follow: process_integrity_level = 0x1000 process_execute_flags = 0x4d protected_process = 0 time_zone_id = 2 time_zone.bias = 300 time_zone.standard_name = Eastern Standard Time time_zone.daylight_name = Eastern Daylight Time Review URL: https://breakpad.appspot.com/617002 git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1204 4c0a9323-5329-0410-9bdc-e9ce6186880e
This commit is contained in:
ivan.penkov@gmail.com
parent
9c1dc68a2f
commit
1d1b36d371
@ -347,7 +347,7 @@ typedef enum {
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typedef struct {
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uint32_t length; /* Length of buffer in bytes (not characters),
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* excluding 0-terminator */
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* excluding 0-terminator */
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uint16_t buffer[1]; /* UTF-16-encoded, 0-terminated */
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} MDString; /* MINIDUMP_STRING */
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@ -658,6 +658,55 @@ typedef enum {
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MD_OS_NACL = 0x8205 /* Native Client (NaCl) */
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} MDOSPlatform;
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typedef struct {
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uint16_t year;
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uint16_t month;
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uint16_t day_of_week;
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uint16_t day;
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uint16_t hour;
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uint16_t minute;
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uint16_t second;
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uint16_t milliseconds;
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} MDSystemTime; /* SYSTEMTIME */
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typedef struct {
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/* Required field. The bias is the difference, in minutes, between
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* Coordinated Universal Time (UTC) and local time.
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* Formula: UTC = local time + bias */
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int32_t bias;
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/* A description for standard time. For example, "EST" could indicate Eastern
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* Standard Time. In practice this contains the full time zone names. This
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* string can be empty. */
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uint16_t standard_name[32]; /* UTF-16-encoded, 0-terminated */
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/* A MDSystemTime structure that contains a date and local time when the
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* transition from daylight saving time to standard time occurs on this
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* operating system. If the time zone does not support daylight saving time,
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* the month member in the MDSystemTime structure is zero. */
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MDSystemTime standard_date;
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/* The bias value to be used during local time translations that occur during
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* standard time. */
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int32_t standard_bias;
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/* A description for daylight saving time. For example, "PDT" could indicate
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* Pacific Daylight Time. In practice this contains the full time zone names.
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* This string can be empty. */
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uint16_t daylight_name[32]; /* UTF-16-encoded, 0-terminated */
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/* A MDSystemTime structure that contains a date and local time when the
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* transition from standard time to daylight saving time occurs on this
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* operating system. If the time zone does not support daylight saving time,
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* the month member in the MDSystemTime structure is zero.*/
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MDSystemTime daylight_date;
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/* The bias value to be used during local time translations that occur during
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* daylight saving time. */
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int32_t daylight_bias;
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} MDTimeZoneInformation; /* TIME_ZONE_INFORMATION */
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/* MAX_PATH from windef.h */
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#define MD_MAX_PATH 260
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/* The miscellaneous information stream contains a variety
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* of small pieces of information. A member is valid if
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* it's within the available size and its corresponding
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* bit is set. */
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typedef struct {
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uint32_t size_of_info; /* Length of entire MDRawMiscInfo structure. */
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uint32_t flags1;
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@ -673,8 +722,8 @@ typedef struct {
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uint32_t process_kernel_time; /* seconds of kernel CPU time */
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/* The following fields are not present in MINIDUMP_MISC_INFO but are
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* in MINIDUMP_MISC_INFO_2. When this struct is populated, these values
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* may not be set. Use flags1 or sizeOfInfo to determine whether these
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* in MINIDUMP_MISC_INFO_2. When this struct is populated, these value
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* may not be set. Use flags1 or size_of_info to determine whether these
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* values are present. These are only valid when flags1 contains
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* MD_MISCINFO_FLAGS1_PROCESSOR_POWER_INFO. */
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uint32_t processor_max_mhz;
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@ -682,20 +731,66 @@ typedef struct {
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uint32_t processor_mhz_limit;
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uint32_t processor_max_idle_state;
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uint32_t processor_current_idle_state;
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} MDRawMiscInfo; /* MINIDUMP_MISC_INFO, MINIDUMP_MISC_INFO2 */
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#define MD_MISCINFO_SIZE 24
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#define MD_MISCINFO2_SIZE 44
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/* The following fields are not present in MINIDUMP_MISC_INFO_2 but are
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* in MINIDUMP_MISC_INFO_3. When this struct is populated, these value
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* may not be set. Use flags1 or size_of_info to determine whether these
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* values are present. */
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/* The following field is only valid if flags1 contains
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* MD_MISCINFO_FLAGS1_PROCESS_INTEGRITY. */
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uint32_t process_integrity_level;
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/* The following field is only valid if flags1 contains
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* MD_MISCINFO_FLAGS1_PROCESS_EXECUTE_FLAGS. */
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uint32_t process_execute_flags;
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/* The following field is only valid if flags1 contains
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* MD_MISCINFO_FLAGS1_PROTECTED_PROCESS. */
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uint32_t protected_process;
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/* The following 2 fields are only valid if flags1 contains
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* MD_MISCINFO_FLAGS1_TIMEZONE. */
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uint32_t time_zone_id;
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MDTimeZoneInformation time_zone;
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/* The following fields are not present in MINIDUMP_MISC_INFO_3 but are
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* in MINIDUMP_MISC_INFO_4. When this struct is populated, these value
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* may not be set. Use size_of_info to determine whether these values are
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* present. */
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/* The following 2 fields are only valid if
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* size_of_info is >= MD_MISCINFO4_SIZE */
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uint16_t build_string[MD_MAX_PATH]; /* UTF-16-encoded, 0-terminated */
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uint16_t dbg_bld_str[40]; /* UTF-16-encoded, 0-terminated */
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} MDRawMiscInfo; /* MINIDUMP_MISC_INFO, MINIDUMP_MISC_INFO2,
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* MINIDUMP_MISC_INFO3, MINIDUMP_MISC_INFO4 */
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static const size_t MD_MISCINFO_SIZE =
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offsetof(MDRawMiscInfo, processor_max_mhz);
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static const size_t MD_MISCINFO2_SIZE =
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offsetof(MDRawMiscInfo, process_integrity_level);
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static const size_t MD_MISCINFO3_SIZE =
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offsetof(MDRawMiscInfo, build_string[0]);
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static const size_t MD_MISCINFO4_SIZE = sizeof(MDRawMiscInfo);
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/* For (MDRawMiscInfo).flags1. These values indicate which fields in the
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* MDRawMiscInfoStructure are valid. */
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typedef enum {
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MD_MISCINFO_FLAGS1_PROCESS_ID = 0x00000001,
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MD_MISCINFO_FLAGS1_PROCESS_ID = 0x00000001,
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/* MINIDUMP_MISC1_PROCESS_ID */
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MD_MISCINFO_FLAGS1_PROCESS_TIMES = 0x00000002,
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MD_MISCINFO_FLAGS1_PROCESS_TIMES = 0x00000002,
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/* MINIDUMP_MISC1_PROCESS_TIMES */
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MD_MISCINFO_FLAGS1_PROCESSOR_POWER_INFO = 0x00000004
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MD_MISCINFO_FLAGS1_PROCESSOR_POWER_INFO = 0x00000004,
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/* MINIDUMP_MISC1_PROCESSOR_POWER_INFO */
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MD_MISCINFO_FLAGS1_PROCESS_INTEGRITY = 0x00000010,
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/* MINIDUMP_MISC3_PROCESS_INTEGRITY */
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MD_MISCINFO_FLAGS1_PROCESS_EXECUTE_FLAGS = 0x00000020,
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/* MINIDUMP_MISC3_PROCESS_EXECUTE_FLAGS */
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MD_MISCINFO_FLAGS1_TIMEZONE = 0x00000040,
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/* MINIDUMP_MISC3_TIMEZONE */
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MD_MISCINFO_FLAGS1_PROTECTED_PROCESS = 0x00000080,
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/* MINIDUMP_MISC3_PROTECTED_PROCESS */
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} MDMiscInfoFlags1;
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/*
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@ -782,6 +782,13 @@ class MinidumpMiscInfo : public MinidumpStream {
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bool Read(uint32_t expected_size_);
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MDRawMiscInfo misc_info_;
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// Populated by Read. Contains the converted strings from the corresponding
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// UTF-16 fields in misc_info_
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string standard_name_;
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string daylight_name_;
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string build_string_;
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string dbg_bld_str_;
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};
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@ -140,6 +140,19 @@ static void Swap(uint128_struct* value) {
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Swap(&value->high);
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}
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// Swapping signed integers
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static inline void Swap(int16_t* value) {
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Swap(reinterpret_cast<uint16_t*>(value));
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}
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static inline void Swap(int32_t* value) {
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Swap(reinterpret_cast<uint32_t*>(value));
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}
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static inline void Swap(int64_t* value) {
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Swap(reinterpret_cast<uint64_t*>(value));
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}
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static inline void Swap(MDLocationDescriptor* location_descriptor) {
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Swap(&location_descriptor->data_size);
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@ -160,6 +173,23 @@ static inline void Swap(MDGUID* guid) {
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// Don't swap guid->data4[] because it contains 8-bit quantities.
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}
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static inline void Swap(MDSystemTime* system_time) {
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Swap(&system_time->year);
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Swap(&system_time->month);
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Swap(&system_time->day_of_week);
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Swap(&system_time->day);
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Swap(&system_time->hour);
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Swap(&system_time->minute);
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Swap(&system_time->second);
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Swap(&system_time->milliseconds);
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}
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static inline void Swap(uint16_t* data, size_t size_in_bytes) {
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size_t data_length = size_in_bytes / sizeof(data[0]);
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for (size_t i = 0; i < data_length; i++) {
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Swap(&data[i]);
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}
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}
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//
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// Character conversion routines
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@ -176,7 +206,7 @@ static inline void Swap(MDGUID* guid) {
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// CPU's endianness into consideration. It doesn't seems worth the trouble
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// of making it a dependency when we don't care about anything but UTF-16.
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static string* UTF16ToUTF8(const vector<uint16_t>& in,
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bool swap) {
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bool swap) {
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scoped_ptr<string> out(new string());
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// Set the string's initial capacity to the number of UTF-16 characters,
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@ -256,6 +286,39 @@ static size_t UTF16codeunits(const uint16_t *string, size_t maxlen) {
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return count;
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}
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static inline void Swap(MDTimeZoneInformation* time_zone) {
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Swap(&time_zone->bias);
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// Skip time_zone->standard_name. No need to swap UTF-16 fields.
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// The swap will be done as part of the conversion to UTF-8.
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Swap(&time_zone->standard_date);
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Swap(&time_zone->standard_bias);
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// Skip time_zone->daylight_name. No need to swap UTF-16 fields.
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// The swap will be done as part of the conversion to UTF-8.
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Swap(&time_zone->daylight_date);
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Swap(&time_zone->daylight_bias);
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}
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static void ConvertUTF16BufferToUTF8String(const uint16_t* utf16_data,
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size_t max_length_in_bytes,
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string* utf8_result,
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bool swap) {
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// Since there is no explicit byte length for each string, use
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// UTF16codeunits to calculate word length, then derive byte
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// length from that.
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size_t max_word_length = max_length_in_bytes / sizeof(utf16_data[0]);
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size_t word_length = UTF16codeunits(utf16_data, max_word_length);
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if (word_length > 0) {
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size_t byte_length = word_length * sizeof(utf16_data[0]);
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vector<uint16_t> utf16_vector(word_length);
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memcpy(&utf16_vector[0], &utf16_data[0], byte_length);
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scoped_ptr<string> temp(UTF16ToUTF8(utf16_vector, swap));
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if (temp.get()) {
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utf8_result->assign(*temp);
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}
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} else {
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utf8_result->clear();
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}
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}
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//
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// MinidumpObject
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@ -2355,12 +2418,7 @@ const MDImageDebugMisc* MinidumpModule::GetMiscRecord(uint32_t* size) {
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uint16_t* data16 = reinterpret_cast<uint16_t*>(&(misc_record->data));
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unsigned int dataBytes = module_.misc_record.data_size -
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MDImageDebugMisc_minsize;
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unsigned int dataLength = dataBytes / 2;
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for (unsigned int characterIndex = 0;
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characterIndex < dataLength;
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++characterIndex) {
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Swap(&data16[characterIndex]);
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}
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Swap(data16, dataBytes);
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}
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}
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@ -3143,48 +3201,14 @@ bool MinidumpAssertion::Read(uint32_t expected_size) {
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// Each of {expression, function, file} is a UTF-16 string,
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// we'll convert them to UTF-8 for ease of use.
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// expression
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// Since we don't have an explicit byte length for each string,
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// we use UTF16codeunits to calculate word length, then derive byte
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// length from that.
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uint32_t word_length = UTF16codeunits(assertion_.expression,
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sizeof(assertion_.expression));
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if (word_length > 0) {
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uint32_t byte_length = word_length * 2;
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vector<uint16_t> expression_utf16(word_length);
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memcpy(&expression_utf16[0], &assertion_.expression[0], byte_length);
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scoped_ptr<string> new_expression(UTF16ToUTF8(expression_utf16,
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minidump_->swap()));
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if (new_expression.get())
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expression_ = *new_expression;
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}
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// assertion
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word_length = UTF16codeunits(assertion_.function,
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sizeof(assertion_.function));
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if (word_length) {
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uint32_t byte_length = word_length * 2;
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vector<uint16_t> function_utf16(word_length);
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memcpy(&function_utf16[0], &assertion_.function[0], byte_length);
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scoped_ptr<string> new_function(UTF16ToUTF8(function_utf16,
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minidump_->swap()));
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if (new_function.get())
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function_ = *new_function;
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}
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// file
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word_length = UTF16codeunits(assertion_.file,
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sizeof(assertion_.file));
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if (word_length > 0) {
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uint32_t byte_length = word_length * 2;
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vector<uint16_t> file_utf16(word_length);
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memcpy(&file_utf16[0], &assertion_.file[0], byte_length);
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scoped_ptr<string> new_file(UTF16ToUTF8(file_utf16,
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minidump_->swap()));
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if (new_file.get())
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file_ = *new_file;
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}
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ConvertUTF16BufferToUTF8String(assertion_.expression,
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sizeof(assertion_.expression), &expression_,
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minidump_->swap());
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ConvertUTF16BufferToUTF8String(assertion_.function,
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sizeof(assertion_.function), &function_,
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minidump_->swap());
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ConvertUTF16BufferToUTF8String(assertion_.file, sizeof(assertion_.file),
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&file_, minidump_->swap());
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if (minidump_->swap()) {
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Swap(&assertion_.line);
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@ -3502,10 +3526,13 @@ bool MinidumpMiscInfo::Read(uint32_t expected_size) {
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valid_ = false;
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if (expected_size != MD_MISCINFO_SIZE &&
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expected_size != MD_MISCINFO2_SIZE) {
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BPLOG(ERROR) << "MinidumpMiscInfo size mismatch, " << expected_size <<
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" != " << MD_MISCINFO_SIZE << ", " << MD_MISCINFO2_SIZE <<
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")";
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expected_size != MD_MISCINFO2_SIZE &&
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expected_size != MD_MISCINFO3_SIZE &&
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expected_size != MD_MISCINFO4_SIZE) {
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BPLOG(ERROR) << "MinidumpMiscInfo size mismatch, " << expected_size
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<< " != " << MD_MISCINFO_SIZE << ", " << MD_MISCINFO2_SIZE
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<< ", " << MD_MISCINFO3_SIZE << ", " << MD_MISCINFO4_SIZE
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<< ")";
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return false;
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}
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@ -3515,6 +3542,7 @@ bool MinidumpMiscInfo::Read(uint32_t expected_size) {
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}
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if (minidump_->swap()) {
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// Swap version 1 fields
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Swap(&misc_info_.size_of_info);
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Swap(&misc_info_.flags1);
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Swap(&misc_info_.process_id);
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@ -3522,12 +3550,26 @@ bool MinidumpMiscInfo::Read(uint32_t expected_size) {
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Swap(&misc_info_.process_user_time);
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Swap(&misc_info_.process_kernel_time);
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if (misc_info_.size_of_info > MD_MISCINFO_SIZE) {
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// Swap version 2 fields
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Swap(&misc_info_.processor_max_mhz);
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Swap(&misc_info_.processor_current_mhz);
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Swap(&misc_info_.processor_mhz_limit);
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Swap(&misc_info_.processor_max_idle_state);
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Swap(&misc_info_.processor_current_idle_state);
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}
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if (misc_info_.size_of_info > MD_MISCINFO2_SIZE) {
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// Swap version 3 fields
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Swap(&misc_info_.process_integrity_level);
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Swap(&misc_info_.process_execute_flags);
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Swap(&misc_info_.protected_process);
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Swap(&misc_info_.time_zone_id);
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Swap(&misc_info_.time_zone);
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}
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if (misc_info_.size_of_info > MD_MISCINFO3_SIZE) {
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// Swap version 4 fields.
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// Do not swap UTF-16 strings. The swap is done as part of the
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// conversion to UTF-8 (code follows below).
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}
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}
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if (expected_size != misc_info_.size_of_info) {
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@ -3536,6 +3578,26 @@ bool MinidumpMiscInfo::Read(uint32_t expected_size) {
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return false;
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}
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// Convert UTF-16 strings
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if (misc_info_.size_of_info > MD_MISCINFO2_SIZE) {
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// Convert UTF-16 strings in version 3 fields
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ConvertUTF16BufferToUTF8String(misc_info_.time_zone.standard_name,
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sizeof(misc_info_.time_zone.standard_name),
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&standard_name_, minidump_->swap());
|
||||
ConvertUTF16BufferToUTF8String(misc_info_.time_zone.daylight_name,
|
||||
sizeof(misc_info_.time_zone.daylight_name),
|
||||
&daylight_name_, minidump_->swap());
|
||||
}
|
||||
if (misc_info_.size_of_info > MD_MISCINFO3_SIZE) {
|
||||
// Convert UTF-16 strings in version 4 fields
|
||||
ConvertUTF16BufferToUTF8String(misc_info_.build_string,
|
||||
sizeof(misc_info_.build_string),
|
||||
&build_string_, minidump_->swap());
|
||||
ConvertUTF16BufferToUTF8String(misc_info_.dbg_bld_str,
|
||||
sizeof(misc_info_.dbg_bld_str),
|
||||
&dbg_bld_str_, minidump_->swap());
|
||||
}
|
||||
|
||||
valid_ = true;
|
||||
return true;
|
||||
}
|
||||
@ -3548,6 +3610,7 @@ void MinidumpMiscInfo::Print() {
|
||||
}
|
||||
|
||||
printf("MDRawMiscInfo\n");
|
||||
// Print version 1 fields
|
||||
printf(" size_of_info = %d\n", misc_info_.size_of_info);
|
||||
printf(" flags1 = 0x%x\n", misc_info_.flags1);
|
||||
printf(" process_id = 0x%x\n", misc_info_.process_id);
|
||||
@ -3558,6 +3621,7 @@ void MinidumpMiscInfo::Print() {
|
||||
printf(" process_kernel_time = 0x%x\n",
|
||||
misc_info_.process_kernel_time);
|
||||
if (misc_info_.size_of_info > MD_MISCINFO_SIZE) {
|
||||
// Print version 2 fields
|
||||
printf(" processor_max_mhz = %d\n",
|
||||
misc_info_.processor_max_mhz);
|
||||
printf(" processor_current_mhz = %d\n",
|
||||
@ -3569,6 +3633,24 @@ void MinidumpMiscInfo::Print() {
|
||||
printf(" processor_current_idle_state = 0x%x\n",
|
||||
misc_info_.processor_current_idle_state);
|
||||
}
|
||||
if (misc_info_.size_of_info > MD_MISCINFO2_SIZE) {
|
||||
// Print version 3 fields
|
||||
printf(" process_integrity_level = 0x%x\n",
|
||||
misc_info_.process_integrity_level);
|
||||
printf(" process_execute_flags = 0x%x\n",
|
||||
misc_info_.process_execute_flags);
|
||||
printf(" protected_process = %d\n",
|
||||
misc_info_.protected_process);
|
||||
printf(" time_zone_id = %d\n", misc_info_.time_zone_id);
|
||||
printf(" time_zone.bias = %d\n", misc_info_.time_zone.bias);
|
||||
printf(" time_zone.standard_name = %s\n", standard_name_.c_str());
|
||||
printf(" time_zone.daylight_name = %s\n", daylight_name_.c_str());
|
||||
}
|
||||
if (misc_info_.size_of_info > MD_MISCINFO3_SIZE) {
|
||||
// Print version 4 fields
|
||||
printf(" build_string = %s\n", build_string_.c_str());
|
||||
printf(" dbg_bld_str = %s\n", dbg_bld_str_.c_str());
|
||||
}
|
||||
printf("\n");
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user