mdmp.c File Reference

#include <rz_util.h>
#include "mdmp.h"

Go to the source code of this file.

Macros
#define	COMMENTS_SIZE   32

Functions
ut64	rz_bin_mdmp_get_paddr (struct rz_bin_mdmp_obj *obj, ut64 vaddr)
struct minidump_memory_info *	rz_bin_mdmp_get_mem_info (struct rz_bin_mdmp_obj *obj, ut64 vaddr)
ut32	rz_bin_mdmp_get_perm (struct rz_bin_mdmp_obj *obj, ut64 vaddr)
static void	rz_bin_mdmp_free_pe32_bin (void *pe_bin_)
static void	rz_bin_mdmp_free_pe64_bin (void *pe_bin_)
void	rz_bin_mdmp_free (struct rz_bin_mdmp_obj *obj)
static void	rz_bin_mdmp_init_parsing (struct rz_bin_mdmp_obj *obj)
static bool	read_hdr (RzBuffer *b, struct minidump_header *hdr)
static bool	rz_bin_mdmp_init_hdr (struct rz_bin_mdmp_obj *obj)
static bool	read_module_aux (RzBuffer *b, ut64 addr, struct minidump_module *module)
static bool	read_module (RzBuffer *b, ut64 addr, struct minidump_module *module)
static bool	read_memory64_list (RzBuffer *b, ut64 addr, struct minidump_memory64_list *memory64_list)
static bool	read_desc (RzBuffer *b, ut64 addr, struct minidump_memory_descriptor64 *desc)
static bool	rz_bin_mdmp_init_directory_entry (struct rz_bin_mdmp_obj *obj, struct minidump_directory *entry)
static bool	read_entry (RzBuffer *b, ut64 addr, struct minidump_directory *entry)
static bool	rz_bin_mdmp_init_directory (struct rz_bin_mdmp_obj *obj)
static bool	rz_bin_mdmp_patch_pe_headers (RzBuffer *pe_buf)
static int	check_pe32_buf (RzBuffer *buf, ut64 length)
static int	check_pe64_buf (RzBuffer *buf, ut64 length)
static bool	rz_bin_mdmp_init_pe_bins (struct rz_bin_mdmp_obj *obj)
static int	rz_bin_mdmp_init (struct rz_bin_mdmp_obj *obj)
struct rz_bin_mdmp_obj *	rz_bin_mdmp_new_buf (RzBuffer *buf)

Macro Definition Documentation

COMMENTS_SIZE

#define COMMENTS_SIZE   32

Definition at line 9 of file mdmp.c.

Function Documentation

check_pe32_buf()

static int check_pe32_buf ( RzBuffer *  buf, ut64  length  )

static

Definition at line 1241 of file mdmp.c.

                                                      {
    unsigned int idx;
    if (!buf || length <= 0x3d) {
        return false;
    }
 
    ut8 tmp1;
    if (!rz_buf_read8_at(buf, 0x3c, &tmp1)) {
        return false;
    }
 
    ut8 tmp2;
    if (!rz_buf_read8_at(buf, 0x3d, &tmp2)) {
        return false;
    }
 
    idx = tmp1 | (tmp2 << 8);
 
    if (length > idx + 0x18 + 2) {
        ut8 tmp1[2], tmp2[2], tmp3[2];
        rz_buf_read_at(buf, 0, tmp1, 2);
        rz_buf_read_at(buf, idx, tmp2, 2);
        rz_buf_read_at(buf, idx + 0x18, tmp3, 2);
        if (!memcmp(tmp1, "MZ", 2) && !memcmp(tmp2, "PE", 2) && !memcmp(tmp3, "\x0b\x01", 2)) {
            return true;
        }
    }
 
    return false;
}

References setup::idx, length, rz_buf_read8_at(), and rz_buf_read_at().

Referenced by rz_bin_mdmp_init_pe_bins().

check_pe64_buf()

static int check_pe64_buf ( RzBuffer *  buf, ut64  length  )

static

Definition at line 1272 of file mdmp.c.

                                                      {
    int idx, ret = false;
    if (!buf || length <= 0x3d) {
        return false;
    }
 
    ut8 tmp1;
    if (!rz_buf_read8_at(buf, 0x3c, &tmp1)) {
        return false;
    }
 
    ut8 tmp2;
    if (!rz_buf_read8_at(buf, 0x3d, &tmp2)) {
        return false;
    }
 
    idx = tmp1 | (tmp2 << 8);
 
    if (length >= idx + 0x20) {
        ut8 tmp1[2], tmp2[2], tmp3[2];
        rz_buf_read_at(buf, 0, tmp1, 2);
        rz_buf_read_at(buf, idx, tmp2, 2);
        rz_buf_read_at(buf, idx + 0x18, tmp3, 2);
        if (!memcmp(tmp1, "MZ", 2) && !memcmp(tmp2, "PE", 2) && !memcmp(tmp3, "\x0b\x02", 2)) {
            ret = true;
        }
    }
    return ret;
}

References setup::idx, length, rz_buf_read8_at(), and rz_buf_read_at().

Referenced by rz_bin_mdmp_init_pe_bins().

read_desc()

static bool read_desc ( RzBuffer *  b, ut64  addr, struct minidump_memory_descriptor64 *  desc  )

static

Definition at line 638 of file mdmp.c.

                                                                                         {
    st64 tmp = rz_buf_seek(b, 0, RZ_BUF_CUR);
    if (tmp < 0) {
        return false;
    }
 
    if (rz_buf_seek(b, addr, RZ_BUF_SET) < 0) {
        return false;
    }
 
    ut64 start_of_memory_range;
    if (!rz_buf_read_le64(b, &start_of_memory_range)) {
        return false;
    }
    desc->start_of_memory_range = start_of_memory_range;
 
    ut64 data_size;
    if (!rz_buf_read_le64(b, &data_size)) {
        return false;
    }
    desc->data_size = data_size;
 
    if (rz_buf_seek(b, tmp, RZ_BUF_SET) < 0) {
        return false;
    }
 
    return true;
}

References addr, b, desc, RZ_BUF_CUR, rz_buf_read_le64, rz_buf_seek(), RZ_BUF_SET, st64, autogen_x86imm::tmp, and ut64().

Referenced by rz_bin_mdmp_init_directory_entry().

read_entry()

static bool read_entry ( RzBuffer *  b, ut64  addr, struct minidump_directory *  entry  )

static

Definition at line 1151 of file mdmp.c.

                                                                                 {
    st64 tmp = rz_buf_seek(b, 0, RZ_BUF_CUR);
    if (tmp < 0) {
        return false;
    }
 
    if (rz_buf_seek(b, addr, RZ_BUF_SET) < 0) {
        return false;
    }
 
    ut32 stream_type;
    if (!rz_buf_read_le32(b, &stream_type)) {
        return false;
    }
    entry->stream_type = stream_type;
 
    ut32 data_size;
    if (!rz_buf_read_le32(b, &data_size)) {
        return false;
    }
    entry->location.data_size = data_size;
 
    ut32 rva;
    if (!rz_buf_read_le32(b, &rva)) {
        return false;
    }
    entry->location.rva = rva;
 
    if (rz_buf_seek(b, tmp, RZ_BUF_SET) < 0) {
        return false;
    }
 
    return true;
}

References addr, b, rva(), RZ_BUF_CUR, rz_buf_read_le32, rz_buf_seek(), RZ_BUF_SET, st64, and autogen_x86imm::tmp.

Referenced by rz_bin_mdmp_init_directory().

read_hdr()

static bool read_hdr ( RzBuffer *  b, struct minidump_header *  hdr  )

static

Definition at line 348 of file mdmp.c.

                                                               {
    st64 tmp = rz_buf_seek(b, 0, RZ_BUF_CUR);
    if (tmp < 0) {
        return false;
    }
 
    if (rz_buf_seek(b, 0, RZ_BUF_SET) < 0) {
        return false;
    }
 
    bool result = true;
 
    ut32 signature = 0;
    if (!rz_buf_read_le32(b, &signature)) {
        result = false;
    }
    hdr->signature = signature;
 
    ut32 version = 0;
    if (!rz_buf_read_le32(b, &version)) {
        result = false;
    }
    hdr->version = version;
 
    ut32 number_of_streams = 0;
    if (!rz_buf_read_le32(b, &number_of_streams)) {
        result = false;
    }
    hdr->number_of_streams = number_of_streams;
 
    ut32 stream_directory_rva = 0;
    if (!rz_buf_read_le32(b, &stream_directory_rva)) {
        result = false;
    }
    hdr->stream_directory_rva = stream_directory_rva;
 
    ut32 check_sum = 0;
    if (!rz_buf_read_le32(b, &check_sum)) {
        result = false;
    }
    hdr->check_sum = check_sum;
 
    ut32 reserved = 0;
    if (!rz_buf_read_le32(b, &reserved)) {
        result = false;
    }
    hdr->reserved = reserved;
 
    ut64 flags = 0;
    if (!rz_buf_read_le64(b, &flags)) {
        result = false;
    }
    hdr->flags = flags;
 
    if (rz_buf_seek(b, tmp, RZ_BUF_SET) < 0) {
        return false;
    }
 
    return result;
}

References b, flags, reserved, RZ_BUF_CUR, rz_buf_read_le32, rz_buf_read_le64, rz_buf_seek(), RZ_BUF_SET, signature(), st64, autogen_x86imm::tmp, ut64(), and version.

Referenced by rz_bin_mdmp_init_hdr().

read_memory64_list()

static bool read_memory64_list ( RzBuffer *  b, ut64  addr, struct minidump_memory64_list *  memory64_list  )

static

Definition at line 609 of file mdmp.c.

                                                                                                     {
    st64 tmp = rz_buf_seek(b, 0, RZ_BUF_CUR);
    if (tmp < 0) {
        return false;
    }
 
    if (rz_buf_seek(b, addr, RZ_BUF_SET) < 0) {
        return false;
    }
 
    ut64 number_of_memory_ranges;
    if (!rz_buf_read_le64(b, &number_of_memory_ranges)) {
        return false;
    }
    memory64_list->number_of_memory_ranges = number_of_memory_ranges;
 
    ut64 base_rva;
    if (!rz_buf_read_le64(b, &base_rva)) {
        return false;
    }
    memory64_list->base_rva = base_rva;
 
    if (rz_buf_seek(b, tmp, RZ_BUF_SET) < 0) {
        return false;
    }
 
    return true;
}

References addr, b, RZ_BUF_CUR, rz_buf_read_le64, rz_buf_seek(), RZ_BUF_SET, st64, autogen_x86imm::tmp, and ut64().

Referenced by rz_bin_mdmp_init_directory_entry().

read_module()

static bool read_module ( RzBuffer *  b, ut64  addr, struct minidump_module *  module  )

static

Definition at line 590 of file mdmp.c.

                                                                                {
    st64 tmp = rz_buf_seek(b, 0, RZ_BUF_CUR);
    if (tmp < 0) {
        return false;
    }
 
    if (rz_buf_seek(b, addr, RZ_BUF_SET) < 0) {
        return false;
    }
 
    bool result = read_module_aux(b, addr, module);
 
    if (rz_buf_seek(b, tmp, RZ_BUF_SET) < 0) {
        return false;
    }
 
    return result;
}

References addr, b, read_module_aux(), RZ_BUF_CUR, rz_buf_seek(), RZ_BUF_SET, st64, and autogen_x86imm::tmp.

Referenced by rz_bin_mdmp_init_directory_entry().

read_module_aux()

static bool read_module_aux ( RzBuffer *  b, ut64  addr, struct minidump_module *  module  )

static

Definition at line 442 of file mdmp.c.

                                                                                    {
    ut64 base_of_image;
    if (!rz_buf_read_le64(b, &base_of_image)) {
        return false;
    }
    module->base_of_image = base_of_image;
 
    ut32 size_of_image;
    if (!rz_buf_read_le32(b, &size_of_image)) {
        return false;
    }
    module->size_of_image = size_of_image;
 
    ut32 check_sum;
    if (!rz_buf_read_le32(b, &check_sum)) {
        return false;
    }
    module->check_sum = check_sum;
 
    ut32 time_date_stamp;
    if (!rz_buf_read_le32(b, &time_date_stamp)) {
        return false;
    }
    module->time_date_stamp = time_date_stamp;
 
    ut32 module_name_rva;
    if (!rz_buf_read_le32(b, &module_name_rva)) {
        return false;
    }
    module->module_name_rva = module_name_rva;
 
    ut32 dw_signature;
    if (!rz_buf_read_le32(b, &dw_signature)) {
        return false;
    }
    module->version_info.dw_signature = dw_signature;
 
    ut32 dw_struc_version;
    if (!rz_buf_read_le32(b, &dw_struc_version)) {
        return false;
    }
    module->version_info.dw_struc_version = dw_struc_version;
 
    ut32 dw_file_version_ms;
    if (!rz_buf_read_le32(b, &dw_file_version_ms)) {
        return false;
    }
    module->version_info.dw_file_version_ms = dw_file_version_ms;
 
    ut32 dw_file_version_ls;
    if (!rz_buf_read_le32(b, &dw_file_version_ls)) {
        return false;
    }
    module->version_info.dw_file_version_ls = dw_file_version_ls;
 
    ut32 dw_product_version_ms;
    if (!rz_buf_read_le32(b, &dw_product_version_ms)) {
        return false;
    }
    module->version_info.dw_product_version_ms = dw_product_version_ms;
 
    ut32 dw_product_version_ls;
    if (!rz_buf_read_le32(b, &dw_product_version_ls)) {
        return false;
    }
    module->version_info.dw_product_version_ls = dw_product_version_ls;
 
    ut32 dw_file_flags_mask;
    if (!rz_buf_read_le32(b, &dw_file_flags_mask)) {
        return false;
    }
    module->version_info.dw_file_flags_mask = dw_file_flags_mask;
 
    ut32 dw_file_flags;
    if (!rz_buf_read_le32(b, &dw_file_flags)) {
        return false;
    }
    module->version_info.dw_file_flags = dw_file_flags;
 
    ut32 dw_file_os;
    if (!rz_buf_read_le32(b, &dw_file_os)) {
        return false;
    }
    module->version_info.dw_file_os = dw_file_os;
 
    ut32 dw_file_type;
    if (!rz_buf_read_le32(b, &dw_file_type)) {
        return false;
    }
    module->version_info.dw_file_type = dw_file_type;
 
    ut32 dw_file_subtype;
    if (!rz_buf_read_le32(b, &dw_file_subtype)) {
        return false;
    }
    module->version_info.dw_file_subtype = dw_file_subtype;
 
    ut32 dw_file_date_ms;
    if (!rz_buf_read_le32(b, &dw_file_date_ms)) {
        return false;
    }
    module->version_info.dw_file_date_ms = dw_file_date_ms;
 
    ut32 dw_file_date_ls;
    if (!rz_buf_read_le32(b, &dw_file_date_ls)) {
        return false;
    }
    module->version_info.dw_file_date_ls = dw_file_date_ls;
 
    ut32 cv_record_data_size;
    if (!rz_buf_read_le32(b, &cv_record_data_size)) {
        return false;
    }
    module->cv_record.data_size = cv_record_data_size;
 
    ut32 cv_record_rva;
    if (!rz_buf_read_le32(b, &cv_record_rva)) {
        return false;
    }
    module->cv_record.rva = cv_record_rva;
 
    ut32 misc_record_data_size;
    if (!rz_buf_read_le32(b, &misc_record_data_size)) {
        return false;
    }
    module->misc_record.data_size = misc_record_data_size;
 
    ut32 misc_record_rva;
    if (!rz_buf_read_le32(b, &misc_record_rva)) {
        return false;
    }
    module->misc_record.rva = misc_record_rva;
 
    ut64 reserved_0;
    if (!rz_buf_read_le64(b, &reserved_0)) {
        return false;
    }
    module->reserved_0 = reserved_0;
 
    ut64 reserved_1;
    if (!rz_buf_read_le64(b, &reserved_1)) {
        return false;
    }
    module->reserved_1 = reserved_1;
 
    return true;
}

References b, rz_buf_read_le32, rz_buf_read_le64, and ut64().

Referenced by read_module().

rz_bin_mdmp_free()

void rz_bin_mdmp_free

(

struct rz_bin_mdmp_obj *

obj

)

Definition at line 97 of file mdmp.c.

                                                   {
    if (!obj) {
        return;
    }
 
    rz_list_free(obj->streams.ex_threads);
    rz_list_free(obj->streams.memories);
    rz_list_free(obj->streams.memories64.memories);
    rz_list_free(obj->streams.memory_infos);
    rz_list_free(obj->streams.modules);
    rz_list_free(obj->streams.operations);
    rz_list_free(obj->streams.thread_infos);
    rz_list_free(obj->streams.threads);
    rz_list_free(obj->streams.token_infos);
    rz_list_free(obj->streams.unloaded_modules);
    free(obj->streams.exception);
    free(obj->streams.system_info);
    free(obj->streams.comments_a);
    free(obj->streams.comments_w);
    free(obj->streams.handle_data);
    free(obj->streams.function_table);
    free(obj->streams.misc_info.misc_info_1);
 
    rz_list_free(obj->pe32_bins);
    rz_list_free(obj->pe64_bins);
 
    rz_buf_free(obj->b);
    free(obj->hdr);
    obj->b = NULL;
    free(obj);
 
    return;
}

References rz_bin_mdmp_obj::b, rz_bin_mdmp_obj::minidump_streams::comments_a, rz_bin_mdmp_obj::minidump_streams::comments_w, rz_bin_mdmp_obj::minidump_streams::ex_threads, rz_bin_mdmp_obj::minidump_streams::exception, free(), rz_bin_mdmp_obj::minidump_streams::function_table, rz_bin_mdmp_obj::minidump_streams::handle_data, rz_bin_mdmp_obj::hdr, rz_bin_mdmp_obj::minidump_streams::memories, rz_bin_mdmp_obj::minidump_streams::memories64, rz_bin_mdmp_obj::minidump_streams::memory_infos, rz_bin_mdmp_obj::minidump_streams::misc_info, rz_bin_mdmp_obj::minidump_streams::misc_info_1, rz_bin_mdmp_obj::minidump_streams::modules, NULL, rz_bin_mdmp_obj::minidump_streams::operations, rz_bin_mdmp_obj::pe32_bins, rz_bin_mdmp_obj::pe64_bins, rz_buf_free(), rz_list_free(), rz_bin_mdmp_obj::streams, rz_bin_mdmp_obj::minidump_streams::system_info, rz_bin_mdmp_obj::minidump_streams::thread_infos, rz_bin_mdmp_obj::minidump_streams::threads, rz_bin_mdmp_obj::minidump_streams::token_infos, and rz_bin_mdmp_obj::minidump_streams::unloaded_modules.

Referenced by destroy(), and rz_bin_mdmp_new_buf().

rz_bin_mdmp_free_pe32_bin()

static void rz_bin_mdmp_free_pe32_bin ( void *  pe_bin_ )

static

Definition at line 79 of file mdmp.c.

                                                     {
    struct Pe32_rz_bin_mdmp_pe_bin *pe_bin = pe_bin_;
    if (pe_bin) {
        sdb_free(pe_bin->bin->kv);
        Pe32_rz_bin_pe_free(pe_bin->bin);
        RZ_FREE(pe_bin);
    }
}

References RZ_FREE, and sdb_free().

Referenced by rz_bin_mdmp_new_buf().

rz_bin_mdmp_free_pe64_bin()

static void rz_bin_mdmp_free_pe64_bin ( void *  pe_bin_ )

static

Definition at line 88 of file mdmp.c.

                                                     {
    struct Pe64_rz_bin_mdmp_pe_bin *pe_bin = pe_bin_;
    if (pe_bin) {
        sdb_free(pe_bin->bin->kv);
        Pe64_rz_bin_pe_free(pe_bin->bin);
        RZ_FREE(pe_bin);
    }
}

References RZ_FREE, and sdb_free().

Referenced by rz_bin_mdmp_new_buf().

rz_bin_mdmp_get_mem_info()

struct minidump_memory_info* rz_bin_mdmp_get_mem_info	(	struct rz_bin_mdmp_obj *	obj,
		ut64	vaddr
	)

Definition at line 30 of file mdmp.c.

                                                                                               {
    struct minidump_memory_info *mem_info;
    RzListIter *it;
 
    if (!obj) {
        return NULL;
    }
 
    rz_list_foreach (obj->streams.memory_infos, it, mem_info) {
        if (mem_info->allocation_base && vaddr == mem_info->base_address) {
            return mem_info;
        }
    }
 
    return NULL;
}

References rz_bin_mdmp_obj::minidump_streams::memory_infos, NULL, and rz_bin_mdmp_obj::streams.

Referenced by mem(), and rz_bin_mdmp_get_perm().

rz_bin_mdmp_get_paddr()

ut64 rz_bin_mdmp_get_paddr	(	struct rz_bin_mdmp_obj *	obj,
		ut64	vaddr
	)

Definition at line 11 of file mdmp.c.

                                                                    {
    /* FIXME: Will only resolve exact matches, probably no need to fix as
    ** this function will become redundant on the optimisation stage */
    struct minidump_memory_descriptor64 *memory;
    ut64 index, paddr = 0;
    RzListIter *it;
 
    /* Loop through the memories sections looking for a match */
    index = obj->streams.memories64.base_rva;
    rz_list_foreach (obj->streams.memories64.memories, it, memory) {
        if (vaddr == memory->start_of_memory_range) {
            paddr = index;
            break;
        }
        index += memory->data_size;
    }
    return paddr;
}

References rz_bin_mdmp_obj::minidump_streams::base_rva, rz_bin_mdmp_obj::minidump_streams::memories, rz_bin_mdmp_obj::minidump_streams::memories64, rz_bin_mdmp_obj::streams, and ut64().

Referenced by rz_bin_mdmp_init_pe_bins(), and sections().

rz_bin_mdmp_get_perm()

ut32 rz_bin_mdmp_get_perm	(	struct rz_bin_mdmp_obj *	obj,
		ut64	vaddr
	)

Definition at line 47 of file mdmp.c.

                                                                   {
    struct minidump_memory_info *mem_info;
 
    if (!(mem_info = rz_bin_mdmp_get_mem_info(obj, vaddr))) {
        /* if there is no mem info in the dump, assume default permission */
        return RZ_PERM_R;
    }
 
    /* FIXME: Have I got these mappings right, I am not sure I have!!! */
 
    switch (mem_info->protect) {
    case MINIDUMP_PAGE_READONLY:
        return RZ_PERM_R;
    case MINIDUMP_PAGE_READWRITE:
        return RZ_PERM_RW;
    case MINIDUMP_PAGE_EXECUTE:
        return RZ_PERM_X;
    case MINIDUMP_PAGE_EXECUTE_READ:
        return RZ_PERM_RX;
    case MINIDUMP_PAGE_EXECUTE_READWRITE:
        return RZ_PERM_RWX;
    case MINIDUMP_PAGE_NOACCESS:
    case MINIDUMP_PAGE_WRITECOPY:
    case MINIDUMP_PAGE_EXECUTE_WRITECOPY:
    case MINIDUMP_PAGE_GUARD:
    case MINIDUMP_PAGE_NOCACHE:
    case MINIDUMP_PAGE_WRITECOMBINE:
    default:
        return 0;
    }
}

References MINIDUMP_PAGE_EXECUTE, MINIDUMP_PAGE_EXECUTE_READ, MINIDUMP_PAGE_EXECUTE_READWRITE, MINIDUMP_PAGE_EXECUTE_WRITECOPY, MINIDUMP_PAGE_GUARD, MINIDUMP_PAGE_NOACCESS, MINIDUMP_PAGE_NOCACHE, MINIDUMP_PAGE_READONLY, MINIDUMP_PAGE_READWRITE, MINIDUMP_PAGE_WRITECOMBINE, MINIDUMP_PAGE_WRITECOPY, rz_bin_mdmp_get_mem_info(), RZ_PERM_R, RZ_PERM_RW, RZ_PERM_RWX, RZ_PERM_RX, and RZ_PERM_X.

Referenced by maps(), and mem().

rz_bin_mdmp_init()

static int rz_bin_mdmp_init ( struct rz_bin_mdmp_obj *  obj )

static

Definition at line 1368 of file mdmp.c.

                                                         {
    rz_bin_mdmp_init_parsing(obj);
 
    if (!rz_bin_mdmp_init_hdr(obj)) {
        RZ_LOG_ERROR("Failed to initialise header\n");
        return false;
    }
 
    if (!rz_bin_mdmp_init_directory(obj)) {
        RZ_LOG_ERROR("Failed to initialise directory structures!\n");
        return false;
    }
 
    if (!rz_bin_mdmp_init_pe_bins(obj)) {
        RZ_LOG_ERROR("Failed to initialise pe binaries!\n");
        return false;
    }
 
    return true;
}

References rz_bin_mdmp_init_directory(), rz_bin_mdmp_init_hdr(), rz_bin_mdmp_init_parsing(), rz_bin_mdmp_init_pe_bins(), and RZ_LOG_ERROR.

Referenced by rz_bin_mdmp_new_buf().

rz_bin_mdmp_init_directory()

static bool rz_bin_mdmp_init_directory ( struct rz_bin_mdmp_obj *  obj )

static

Definition at line 1186 of file mdmp.c.

                                                                    {
    ut32 i;
    struct minidump_directory entry;
 
    sdb_num_set(obj->kv, "mdmp_directory.offset",
        obj->hdr->stream_directory_rva, 0);
    sdb_set(obj->kv, "mdmp_directory.format", "[4]E? "
                          "(mdmp_stream_type)StreamType "
                          "(mdmp_location_descriptor)Location",
        0);
 
    ut64 rvadir = obj->hdr->stream_directory_rva;
    ut64 bytes_left = rvadir < obj->size ? obj->size - rvadir : 0;
    size_t max_entries = RZ_MIN(obj->hdr->number_of_streams, bytes_left / sizeof(struct minidump_directory));
    if (max_entries < obj->hdr->number_of_streams) {
        RZ_LOG_ERROR("Number of streams = %u is greater than is supportable by bin size\n",
            obj->hdr->number_of_streams);
    }
    /* Parse each entry in the directory */
    for (i = 0; i < max_entries; i++) {
        ut32 delta = i * sizeof(struct minidump_directory);
        if (read_entry(obj->b, rvadir + delta, &entry)) {
            if (!rz_bin_mdmp_init_directory_entry(obj, &entry)) {
                return false;
            }
        }
    }
 
    return true;
}

References rz_bin_mdmp_obj::b, delta, rz_bin_mdmp_obj::hdr, i, rz_bin_mdmp_obj::kv, read_entry(), rz_bin_mdmp_init_directory_entry(), RZ_LOG_ERROR, RZ_MIN, sdb_num_set(), sdb_set(), rz_bin_mdmp_obj::size, and ut64().

Referenced by rz_bin_mdmp_init().

rz_bin_mdmp_init_directory_entry()

static bool rz_bin_mdmp_init_directory_entry ( struct rz_bin_mdmp_obj *  obj, struct minidump_directory *  entry  )

static

Definition at line 667 of file mdmp.c.

                                                                                                            {
    struct minidump_handle_operation_list handle_operation_list;
    struct minidump_memory_list memory_list;
    struct minidump_memory64_list memory64_list;
    struct minidump_memory_info_list memory_info_list;
    struct minidump_module_list module_list;
    struct minidump_thread_list thread_list;
    struct minidump_thread_ex_list thread_ex_list;
    struct minidump_thread_info_list thread_info_list;
    struct minidump_token_info_list token_info_list;
    struct minidump_unloaded_module_list unloaded_module_list;
    ut64 offset;
    int i, r;
 
    /* We could confirm data sizes but a malcious MDMP will always get around
    ** this! But we can ensure that the data is not outside of the file */
    if ((ut64)entry->location.rva + entry->location.data_size > rz_buf_size(obj->b)) {
        RZ_LOG_ERROR("Size Mismatch - Stream data is larger than file size!\n");
        return false;
    }
 
    ut32 number_of_modules;
 
    switch (entry->stream_type) {
    case THREAD_LIST_STREAM:
        r = rz_buf_read_at(obj->b, entry->location.rva, (ut8 *)&thread_list, sizeof(thread_list));
        if (r != sizeof(thread_list)) {
            break;
        }
 
        sdb_set(obj->kv, "mdmp_thread.format", "ddddq?? "
                               "ThreadId SuspendCount PriorityClass Priority "
                               "Teb (mdmp_memory_descriptor)Stack "
                               "(mdmp_location_descriptor)ThreadContext",
            0);
        sdb_num_set(obj->kv, "mdmp_thread_list.offset",
            entry->location.rva, 0);
        sdb_set(obj->kv, "mdmp_thread_list.format",
            sdb_fmt("d[%d]? "
                "NumberOfThreads (mdmp_thread)Threads",
                thread_list.number_of_threads),
            0);
 
        /* TODO: Not yet fully parsed or utilised */
        break;
    case MODULE_LIST_STREAM:
        if (!rz_buf_read_le32_at(obj->b, entry->location.rva, &number_of_modules)) {
            break;
        }
        module_list.number_of_modules = number_of_modules;
 
        sdb_set(obj->kv, "mdmp_module.format", "qddtd???qq "
                               "BaseOfImage SizeOfImage CheckSum "
                               "TimeDateStamp ModuleNameRVA "
                               "(mdmp_vs_fixedfileinfo)VersionInfo "
                               "(mdmp_location_descriptor)CvRecord "
                               "(mdmp_location_descriptor)MiscRecord "
                               "Reserved0 Reserved1",
            0);
        sdb_num_set(obj->kv, "mdmp_module_list.offset",
            entry->location.rva, 0);
        sdb_set(obj->kv, "mdmp_module_list.format",
            sdb_fmt("d[%d]? "
                "NumberOfModule (mdmp_module)Modules",
                module_list.number_of_modules),
            0);
 
        offset = entry->location.rva + sizeof(module_list);
        for (i = 0; i < module_list.number_of_modules; i++) {
            struct minidump_module *module = RZ_NEW(struct minidump_module);
            if (!module) {
                break;
            }
            if (!read_module(obj->b, offset, module)) {
                break;
            }
            rz_list_append(obj->streams.modules, module);
            offset += sizeof(*module);
        }
        break;
    case MEMORY_LIST_STREAM:
        r = rz_buf_read_at(obj->b, entry->location.rva, (ut8 *)&memory_list, sizeof(memory_list));
        if (r != sizeof(memory_list)) {
            break;
        }
 
        sdb_num_set(obj->kv, "mdmp_memory_list.offset",
            entry->location.rva, 0);
        sdb_set(obj->kv, "mdmp_memory_list.format",
            sdb_fmt("d[%d]? "
                "NumberOfMemoryRanges "
                "(mdmp_memory_descriptor)MemoryRanges ",
                memory_list.number_of_memory_ranges),
            0);
 
        offset = entry->location.rva + sizeof(memory_list);
        for (i = 0; i < memory_list.number_of_memory_ranges; i++) {
            struct minidump_memory_descriptor *desc = RZ_NEW(struct minidump_memory_descriptor);
            if (!desc) {
                break;
            }
            r = rz_buf_read_at(obj->b, offset, (ut8 *)desc, sizeof(*desc));
            if (r != sizeof(*desc)) {
                break;
            }
            rz_list_append(obj->streams.memories, desc);
            offset += sizeof(*desc);
        }
        break;
    case EXCEPTION_STREAM:
        /* TODO: Not yet fully parsed or utilised */
        obj->streams.exception = RZ_NEW(struct minidump_exception_stream);
        if (!obj->streams.exception) {
            break;
        }
 
        r = rz_buf_read_at(obj->b, entry->location.rva, (ut8 *)obj->streams.exception, sizeof(*obj->streams.exception));
        if (r != sizeof(*obj->streams.exception)) {
            break;
        }
 
        sdb_set(obj->kv, "mdmp_exception.format", "[4]E[4]Eqqdd[15]q "
                              "(mdmp_exception_code)ExceptionCode "
                              "(mdmp_exception_flags)ExceptionFlags "
                              "ExceptionRecord ExceptionAddress "
                              "NumberParameters __UnusedAlignment "
                              "ExceptionInformation",
            0);
        sdb_num_set(obj->kv, "mdmp_exception_stream.offset",
            entry->location.rva, 0);
        sdb_set(obj->kv, "mdmp_exception_stream.format", "dd?? "
                                 "ThreadId __Alignment "
                                 "(mdmp_exception)ExceptionRecord "
                                 "(mdmp_location_descriptor)ThreadContext",
            0);
 
        break;
    case SYSTEM_INFO_STREAM:
        obj->streams.system_info = RZ_NEW(struct minidump_system_info);
        if (!obj->streams.system_info) {
            break;
        }
        r = rz_buf_read_at(obj->b, entry->location.rva, (ut8 *)obj->streams.system_info, sizeof(*obj->streams.system_info));
        if (r != sizeof(*obj->streams.system_info)) {
            break;
        }
 
        sdb_num_set(obj->kv, "mdmp_system_info.offset",
            entry->location.rva, 0);
        /* TODO: We need E as a byte! */
        sdb_set(obj->kv, "mdmp_system_info.format", "[2]EwwbBddd[4]Ed[2]Ew[2]q "
                                "(mdmp_processor_architecture)ProcessorArchitecture "
                                "ProcessorLevel ProcessorRevision NumberOfProcessors "
                                "(mdmp_product_type)ProductType "
                                "MajorVersion MinorVersion BuildNumber (mdmp_platform_id)PlatformId "
                                "CsdVersionRva (mdmp_suite_mask)SuiteMask Reserved2 ProcessorFeatures",
            0);
 
        break;
    case THREAD_EX_LIST_STREAM:
        /* TODO: Not yet fully parsed or utilised */
        r = rz_buf_read_at(obj->b, entry->location.rva, (ut8 *)&thread_ex_list, sizeof(thread_ex_list));
        if (r != sizeof(thread_ex_list)) {
            break;
        }
 
        sdb_set(obj->kv, "mdmp_thread_ex.format", "ddddq??? "
                              "ThreadId SuspendCount PriorityClass Priority "
                              "Teb (mdmp_memory_descriptor)Stack "
                              "(mdmp_location_descriptor)ThreadContext "
                              "(mdmp_memory_descriptor)BackingStore",
            0);
        sdb_num_set(obj->kv, "mdmp_thread_ex_list.offset",
            entry->location.rva, 0);
        sdb_set(obj->kv, "mdmp_thread_ex_list.format",
            sdb_fmt("d[%d]? NumberOfThreads "
                "(mdmp_thread_ex)Threads",
                thread_ex_list.number_of_threads),
            0);
 
        offset = entry->location.rva + sizeof(thread_ex_list);
        for (i = 0; i < thread_ex_list.number_of_threads; i++) {
            struct minidump_thread_ex *thread = RZ_NEW(struct minidump_thread_ex);
            if (!thread) {
                break;
            }
            r = rz_buf_read_at(obj->b, offset, (ut8 *)thread, sizeof(*thread));
            if (r != sizeof(*thread)) {
                break;
            }
            rz_list_append(obj->streams.ex_threads, thread);
            offset += sizeof(*thread);
        }
        break;
    case MEMORY_64_LIST_STREAM:
        if (!read_memory64_list(obj->b, entry->location.rva, &memory64_list)) {
            break;
        }
 
        sdb_num_set(obj->kv, "mdmp_memory64_list.offset",
            entry->location.rva, 0);
        sdb_set(obj->kv, "mdmp_memory64_list.format",
            sdb_fmt("qq[%" PFMT64d "]? NumberOfMemoryRanges "
                "BaseRva "
                "(mdmp_memory_descriptor64)MemoryRanges",
                memory64_list.number_of_memory_ranges),
            0);
 
        obj->streams.memories64.base_rva = memory64_list.base_rva;
        offset = entry->location.rva + sizeof(memory64_list);
        for (i = 0; i < memory64_list.number_of_memory_ranges; i++) {
            struct minidump_memory_descriptor64 *desc = RZ_NEW(struct minidump_memory_descriptor64);
            if (!desc) {
                break;
            }
            read_desc(obj->b, offset, desc);
            rz_list_append(obj->streams.memories64.memories, desc);
            offset += sizeof(*desc);
        }
        break;
    case COMMENT_STREAM_A:
        /* TODO: Not yet fully parsed or utilised */
        obj->streams.comments_a = RZ_NEWS(ut8, COMMENTS_SIZE);
        if (!obj->streams.comments_a) {
            break;
        }
        r = rz_buf_read_at(obj->b, entry->location.rva, obj->streams.comments_a, COMMENTS_SIZE);
        if (r != COMMENTS_SIZE) {
            break;
        }
 
        sdb_num_set(obj->kv, "mdmp_comment_stream_a.offset",
            entry->location.rva, 0);
        sdb_set(obj->kv, "mdmp_comment_stream_a.format",
            "s CommentA", 0);
 
        break;
    case COMMENT_STREAM_W:
        /* TODO: Not yet fully parsed or utilised */
        obj->streams.comments_w = RZ_NEWS(ut8, COMMENTS_SIZE);
        if (!obj->streams.comments_w) {
            break;
        }
        r = rz_buf_read_at(obj->b, entry->location.rva, obj->streams.comments_w, COMMENTS_SIZE);
        if (r != COMMENTS_SIZE) {
            break;
        }
 
        sdb_num_set(obj->kv, "mdmp_comment_stream_w.offset",
            entry->location.rva, 0);
        sdb_set(obj->kv, "mdmp_comment_stream_w.format",
            "s CommentW", 0);
 
        break;
    case HANDLE_DATA_STREAM:
        /* TODO: Not yet fully parsed or utilised */
        obj->streams.handle_data = RZ_NEW(struct minidump_handle_data_stream);
        if (!obj->streams.handle_data) {
            break;
        }
        r = rz_buf_read_at(obj->b, entry->location.rva, (ut8 *)obj->streams.handle_data, sizeof(*obj->streams.handle_data));
        if (r != sizeof(*obj->streams.handle_data)) {
            break;
        }
 
        sdb_num_set(obj->kv, "mdmp_handle_data_stream.offset",
            entry->location.rva, 0);
        sdb_set(obj->kv, "mdmp_handle_data_stream.format", "dddd "
                                   "SizeOfHeader SizeOfDescriptor "
                                   "NumberOfDescriptors Reserved",
            0);
        break;
    case FUNCTION_TABLE_STREAM:
        /* TODO: Not yet fully parsed or utilised */
        obj->streams.function_table = RZ_NEW(struct minidump_function_table_stream);
        if (!obj->streams.function_table) {
            break;
        }
        r = rz_buf_read_at(obj->b, entry->location.rva, (ut8 *)obj->streams.function_table, sizeof(*obj->streams.function_table));
        if (r != sizeof(*obj->streams.function_table)) {
            break;
        }
 
        sdb_num_set(obj->kv, "mdmp_function_table_stream.offset",
            entry->location.rva, 0);
        sdb_set(obj->kv, "mdmp_function_table_stream.format", "dddddd "
                                      "SizeOfHeader SizeOfDescriptor SizeOfNativeDescriptor "
                                      "SizeOfFunctionEntry NumberOfDescriptors SizeOfAlignPad",
            0);
        break;
    case UNLOADED_MODULE_LIST_STREAM:
        /* TODO: Not yet fully parsed or utilised */
        r = rz_buf_read_at(obj->b, entry->location.rva, (ut8 *)&unloaded_module_list, sizeof(unloaded_module_list));
        if (r != sizeof(unloaded_module_list)) {
            break;
        }
 
        sdb_set(obj->kv, "mdmp_unloaded_module.format", "qddtd "
                                "BaseOfImage SizeOfImage CheckSum TimeDateStamp "
                                "ModuleNameRva",
            0);
        sdb_num_set(obj->kv, "mdmp_unloaded_module_list.offset",
            entry->location.rva, 0);
        sdb_set(obj->kv, "mdmp_unloaded_module_list.format", "ddd "
                                     "SizeOfHeader SizeOfEntry NumberOfEntries",
            0);
 
        offset = entry->location.rva + sizeof(unloaded_module_list);
        for (i = 0; i < unloaded_module_list.number_of_entries; i++) {
            struct minidump_unloaded_module *module = RZ_NEW(struct minidump_unloaded_module);
            if (!module) {
                break;
            }
            r = rz_buf_read_at(obj->b, offset, (ut8 *)module, sizeof(*module));
            if (r != sizeof(*module)) {
                break;
            }
            rz_list_append(obj->streams.unloaded_modules, module);
            offset += sizeof(*module);
        }
        break;
    case MISC_INFO_STREAM:
        /* TODO: Not yet fully parsed or utilised */
        obj->streams.misc_info.misc_info_1 = RZ_NEW(struct minidump_misc_info);
        if (!obj->streams.misc_info.misc_info_1) {
            break;
        }
        r = rz_buf_read_at(obj->b, entry->location.rva, (ut8 *)obj->streams.misc_info.misc_info_1, sizeof(*obj->streams.misc_info.misc_info_1));
        if (r != sizeof(*obj->streams.misc_info.misc_info_1)) {
            break;
        }
 
        /* TODO: Handle different sizes */
        sdb_num_set(obj->kv, "mdmp_misc_info.offset",
            entry->location.rva, 0);
        sdb_set(obj->kv, "mdmp_misc_info.format", "d[4]Bdtttddddd "
                              "SizeOfInfo (mdmp_misc1_flags)Flags1 ProcessId "
                              "ProcessCreateTime ProcessUserTime ProcessKernelTime "
                              "ProcessorMaxMhz ProcessorCurrentMhz "
                              "ProcessorMhzLimit ProcessorMaxIdleState "
                              "ProcessorCurrentIdleState",
            0);
 
        break;
    case MEMORY_INFO_LIST_STREAM:
        r = rz_buf_read_at(obj->b, entry->location.rva, (ut8 *)&memory_info_list, sizeof(memory_info_list));
        if (r != sizeof(memory_info_list)) {
            break;
        }
 
        sdb_set(obj->kv, "mdmp_memory_info.format",
            "qq[4]Edq[4]E[4]E[4]Ed BaseAddress AllocationBase "
            "(mdmp_page_protect)AllocationProtect __Alignment1 RegionSize "
            "(mdmp_mem_state)State (mdmp_page_protect)Protect "
            "(mdmp_mem_type)Type __Alignment2",
            0);
        sdb_num_set(obj->kv, "mdmp_memory_info_list.offset",
            entry->location.rva, 0);
        sdb_set(obj->kv, "mdmp_memory_info_list.format",
            sdb_fmt("ddq[%" PFMT64d "]? SizeOfHeader SizeOfEntry "
                "NumberOfEntries (mdmp_memory_info)MemoryInfo",
                memory_info_list.number_of_entries),
            0);
 
        offset = entry->location.rva + sizeof(memory_info_list);
        for (i = 0; i < memory_info_list.number_of_entries; i++) {
            struct minidump_memory_info *info = RZ_NEW(struct minidump_memory_info);
            if (!info) {
                break;
            }
            r = rz_buf_read_at(obj->b, offset, (ut8 *)info, sizeof(*info));
            if (r != sizeof(*info)) {
                break;
            }
            rz_list_append(obj->streams.memory_infos, info);
            offset += sizeof(*info);
        }
        break;
    case THREAD_INFO_LIST_STREAM:
        /* TODO: Not yet fully parsed or utilised */
        r = rz_buf_read_at(obj->b, entry->location.rva, (ut8 *)&thread_info_list, sizeof(thread_info_list));
        if (r != sizeof(thread_info_list)) {
            break;
        }
 
        sdb_set(obj->kv, "mdmp_thread_info.format", "ddddttttqq "
                                "ThreadId DumpFlags DumpError ExitStatus CreateTime "
                                "ExitTime KernelTime UserTime StartAddress Affinity",
            0);
        sdb_num_set(obj->kv, "mdmp_thread_info_list.offset",
            entry->location.rva, 0);
        sdb_set(obj->kv, "mdmp_thread_info_list.format", "ddd "
                                 "SizeOfHeader SizeOfEntry NumberOfEntries",
            0);
 
        offset = entry->location.rva + sizeof(thread_info_list);
        for (i = 0; i < thread_info_list.number_of_entries; i++) {
            struct minidump_thread_info *info = RZ_NEW(struct minidump_thread_info);
            if (!info) {
                break;
            }
            r = rz_buf_read_at(obj->b, offset, (ut8 *)info, sizeof(*info));
            if (r != sizeof(*info)) {
                break;
            }
            rz_list_append(obj->streams.thread_infos, info);
            offset += sizeof(*info);
        }
        break;
    case HANDLE_OPERATION_LIST_STREAM:
        /* TODO: Not yet fully parsed or utilised */
        r = rz_buf_read_at(obj->b, entry->location.rva, (ut8 *)&handle_operation_list, sizeof(handle_operation_list));
        if (r != sizeof(handle_operation_list)) {
            break;
        }
 
        sdb_num_set(obj->kv, "mdmp_handle_operation_list.offset",
            entry->location.rva, 0);
        sdb_set(obj->kv, "mdmp_handle_operation_list.format", "dddd "
                                      "SizeOfHeader SizeOfEntry NumberOfEntries Reserved",
            0);
 
        offset = entry->location.rva + sizeof(handle_operation_list);
        for (i = 0; i < handle_operation_list.number_of_entries; i++) {
            struct avrf_handle_operation *op = RZ_NEW(struct avrf_handle_operation);
            if (!op) {
                break;
            }
            r = rz_buf_read_at(obj->b, offset, (ut8 *)op, sizeof(*op));
            if (r != sizeof(*op)) {
                break;
            }
            rz_list_append(obj->streams.operations, op);
            offset += sizeof(*op);
        }
 
        break;
    case TOKEN_STREAM:
        /* TODO: Not fully parsed or utilised */
        r = rz_buf_read_at(obj->b, entry->location.rva, (ut8 *)&token_info_list, sizeof(token_info_list));
        if (r != sizeof(token_info_list)) {
            break;
        }
 
        sdb_set(obj->kv, "mdmp_token_info.format", "ddq "
                               "TokenSize TokenId TokenHandle",
            0);
 
        sdb_num_set(obj->kv, "mdmp_token_info_list.offset",
            entry->location.rva, 0);
        sdb_set(obj->kv, "mdmp_token_info_list.format", "dddd "
                                "TokenListSize TokenListEntries ListHeaderSize ElementHeaderSize",
            0);
 
        offset = entry->location.rva + sizeof(token_info_list);
        for (i = 0; i < token_info_list.number_of_entries; i++) {
            struct minidump_token_info *info = RZ_NEW(struct minidump_token_info);
            if (!info) {
                break;
            }
            r = rz_buf_read_at(obj->b, offset, (ut8 *)info, sizeof(*info));
            if (r != sizeof(*info)) {
                break;
            }
            rz_list_append(obj->streams.token_infos, info);
            offset += sizeof(*info);
        }
        break;
 
    case LAST_RESERVED_STREAM:
        /* TODO: Not yet fully parsed or utilised */
        break;
    case UNUSED_STREAM:
    case RESERVED_STREAM_0:
    case RESERVED_STREAM_1:
        /* Silently ignore reserved streams */
        break;
    default:
        RZ_LOG_WARN("Invalid or unsupported enumeration encountered %d\n", entry->stream_type);
        break;
    }
    return true;
}

References rz_bin_mdmp_obj::b, rz_bin_mdmp_obj::minidump_streams::base_rva, COMMENT_STREAM_A, COMMENT_STREAM_W, rz_bin_mdmp_obj::minidump_streams::comments_a, COMMENTS_SIZE, rz_bin_mdmp_obj::minidump_streams::comments_w, desc, rz_bin_mdmp_obj::minidump_streams::ex_threads, rz_bin_mdmp_obj::minidump_streams::exception, EXCEPTION_STREAM, rz_bin_mdmp_obj::minidump_streams::function_table, FUNCTION_TABLE_STREAM, rz_bin_mdmp_obj::minidump_streams::handle_data, HANDLE_DATA_STREAM, HANDLE_OPERATION_LIST_STREAM, i, info(), rz_bin_mdmp_obj::kv, LAST_RESERVED_STREAM, rz_bin_mdmp_obj::minidump_streams::memories, rz_bin_mdmp_obj::minidump_streams::memories64, MEMORY_64_LIST_STREAM, MEMORY_INFO_LIST_STREAM, rz_bin_mdmp_obj::minidump_streams::memory_infos, MEMORY_LIST_STREAM, rz_bin_mdmp_obj::minidump_streams::misc_info, rz_bin_mdmp_obj::minidump_streams::misc_info_1, MISC_INFO_STREAM, MODULE_LIST_STREAM, rz_bin_mdmp_obj::minidump_streams::modules, rz_bin_mdmp_obj::minidump_streams::operations, PFMT64d, r, read_desc(), read_memory64_list(), read_module(), RESERVED_STREAM_0, RESERVED_STREAM_1, rz_buf_read_at(), rz_buf_read_le32_at, rz_buf_size(), rz_list_append(), RZ_LOG_ERROR, RZ_LOG_WARN, RZ_NEW, RZ_NEWS, sdb_fmt(), sdb_num_set(), sdb_set(), rz_bin_mdmp_obj::streams, rz_bin_mdmp_obj::minidump_streams::system_info, SYSTEM_INFO_STREAM, THREAD_EX_LIST_STREAM, THREAD_INFO_LIST_STREAM, rz_bin_mdmp_obj::minidump_streams::thread_infos, THREAD_LIST_STREAM, rz_bin_mdmp_obj::minidump_streams::token_infos, TOKEN_STREAM, UNLOADED_MODULE_LIST_STREAM, rz_bin_mdmp_obj::minidump_streams::unloaded_modules, UNUSED_STREAM, and ut64().

Referenced by rz_bin_mdmp_init_directory().

rz_bin_mdmp_init_hdr()

static bool rz_bin_mdmp_init_hdr ( struct rz_bin_mdmp_obj *  obj )

static

Definition at line 409 of file mdmp.c.

                                                              {
    obj->hdr = RZ_NEW(struct minidump_header);
    if (!obj->hdr) {
        return false;
    }
    read_hdr(obj->b, obj->hdr);
 
    if (obj->hdr->number_of_streams == 0) {
        RZ_LOG_WARN("No streams present!\n");
        return false;
    }
 
    if (obj->hdr->stream_directory_rva < sizeof(struct minidump_header)) {
        RZ_LOG_ERROR("RVA for directory resides in the header!\n");
        return false;
    }
 
    if (obj->hdr->check_sum) {
        RZ_LOG_INFO("Checksum present but needs validating!\n");
        return false;
    }
 
    sdb_num_set(obj->kv, "mdmp.hdr.time_date_stamp", obj->hdr->time_date_stamp, 0);
    sdb_num_set(obj->kv, "mdmp.hdr.flags", obj->hdr->flags, 0);
    sdb_num_set(obj->kv, "mdmp_header.offset", 0, 0);
    sdb_set(obj->kv, "mdmp_header.format", "[4]zddddt[8]B Signature "
                           "Version NumberOfStreams StreamDirectoryRVA CheckSum "
                           "TimeDateStamp (mdmp_type)Flags",
        0);
 
    return true;
}

References rz_bin_mdmp_obj::b, rz_bin_mdmp_obj::hdr, rz_bin_mdmp_obj::kv, read_hdr(), RZ_LOG_ERROR, RZ_LOG_INFO, RZ_LOG_WARN, RZ_NEW, sdb_num_set(), and sdb_set().

Referenced by rz_bin_mdmp_init().

rz_bin_mdmp_init_parsing()

static void rz_bin_mdmp_init_parsing ( struct rz_bin_mdmp_obj *  obj )

static

Definition at line 131 of file mdmp.c.

                                                                  {
    /* TODO: Handle unions, can we? */
    /* FIXME: Why are we getting struct missing errors when it finds them */
    sdb_set(obj->kv, "mdmp_mem_state.cparse",
        "enum mdmp_mem_state { MEM_COMMIT=0x1000, "
        "MEM_FREE=0x10000, MEM_RESERVE=0x02000 };",
        0);
 
    sdb_set(obj->kv, "mdmp_mem_type.cparse",
        "enum mdmp_mem_type { MEM_IMAGE=0x1000000, "
        "MEM_MAPPED=0x40000, MEM_PRIVATE=0x20000 };",
        0);
 
    sdb_set(obj->kv, "mdmp_page_protect.cparse",
        "enum mdmp_page_protect { PAGE_NOACCESS=1, "
        "PAGE_READONLY=2, PAGE_READWRITE=4, PAGE_WRITECOPY=8, "
        "PAGE_EXECUTE=0x10, PAGE_EXECUTE_READ=0x20, "
        "PAGE_EXECUTE_READWRITE=0x40, PAGE_EXECUTE_WRITECOPY=0x80, "
        "PAGE_GUARD=0x100, PAGE_NOCACHE=0x200, "
        "PAGE_WRITECOMBINE=0x400, PAGE_TARGETS_INVALID=0x40000000 };",
        0);
 
    sdb_set(obj->kv, "mdmp_misc1_flags.cparse",
        "enum mdmp_misc1_flags { MINIDUMP_MISC1_PROCESS_ID=1, "
        "MINIDUMP_MISC1_PROCESS_TIMES=2, "
        "MINIDUMP_MISC1_PROCESSOR_POWER_INFO=4 };",
        0);
 
    sdb_set(obj->kv, "mdmp_processor_architecture.cparse",
        "enum mdmp_processor_architecture { "
        "PROCESSOR_ARCHITECTURE_INTEL=0, "
        "PROCESSOR_ARCHITECTURE_ARM=5, "
        "PROCESSOR_ARCHITECTURE_IA64=6, "
        "PROCESSOR_ARCHITECTURE_AMD64=9, "
        "PROCESSOR_ARCHITECTURE_UNKNOWN=0xffff };",
        0);
 
    sdb_set(obj->kv, "mdmp_product_type.cparse",
        "enum mdmp_product_type { "
        "VER_NT_WORKSTATION=1, VER_NT_DOMAIN_CONTROLLER=2, "
        "VER_NT_SERVER=3 };",
        0);
 
    sdb_set(obj->kv, "mdmp_platform_id.cparse",
        "enum mdmp_platform_id { "
        "VER_PLATFORM_WIN32s=0, "
        "VER_PLATFORM_WIN32_WINDOWS=1, "
        "VER_PLATFORM_WIN32_NT=2 };",
        0);
 
    sdb_set(obj->kv, "mdmp_suite_mask.cparse",
        "enum mdmp_suite_mask { "
        "VER_SUITE_SMALLBUSINESS=1, VER_SUITE_ENTERPRISE=2, "
        "VER_SUITE_BACKOFFICE=4, VER_SUITE_TERMINAL=0x10, "
        "VER_SUITE_SMALLBUSINESS_RESTRICTED=0x20, "
        "VER_SUITE_EMBEDDEDNT=0x40, VER_SUITE_DATACENTER=0x80, "
        "VER_SUITE_SINGLEUSERTS=0x100, VER_SUITE_PERSONAL=0x200, "
        "VER_SUITE_BLADE=0x400, VER_SUITE_STORAGE_SERVER=0x2000, "
        "VER_SUITE_COMPUTE_SERVER=0x4000 };",
        0);
 
    sdb_set(obj->kv, "mdmp_callback_type.cparse",
        "enum mdmp_callback_type { ModuleCallback=0,"
        "ThreadCallback=1, ThreadExCallback=2, "
        "IncludeThreadCallback=3, IncludeModuleCallback=4, "
        "MemoryCallback=5, CancelCallback=6, "
        "WriteKernelMinidumpCallback=7, "
        "KernelMinidumpStatusCallback=8, "
        "RemoveMemoryCallback=9, "
        "IncludeVmRegionCallback=10, "
        "IoStartCallback=11, IoWriteAllCallback=12, "
        "IoFinishCallback=13, ReadMemoryFailureCallback=14, "
        "SecondaryFlagsCallback=15 };",
        0);
 
    sdb_set(obj->kv, "mdmp_exception_code.cparse",
        "enum mdmp_exception_code { "
        "DBG_CONTROL_C=0x40010005, "
        "EXCEPTION_GUARD_PAGE_VIOLATION=0x80000001, "
        "EXCEPTION_DATATYPE_MISALIGNMENT=0x80000002, "
        "EXCEPTION_BREAKPOINT=0x80000003, "
        "EXCEPTION_SINGLE_STEP=0x80000004, "
        "EXCEPTION_ACCESS_VIOLATION=0xc0000005, "
        "EXCEPTION_IN_PAGE_ERROR=0xc0000006, "
        "EXCEPTION_INVALID_HANDLE=0xc0000008, "
        "EXCEPTION_ILLEGAL_INSTRUCTION=0xc000001d, "
        "EXCEPTION_NONCONTINUABLE_EXCEPTION=0xc0000025, "
        "EXCEPTION_INVALID_DISPOSITION=0xc0000026, "
        "EXCEPTION_ARRAY_BOUNDS_EXCEEDED=0xc000008c, "
        "EXCEPTION_FLOAT_DENORMAL_OPERAND=0xc000008d, "
        "EXCEPTION_FLOAT_DIVIDE_BY_ZERO=0xc000008e, "
        "EXCEPTION_FLOAT_INEXACT_RESULT=0xc000008f, "
        "EXCEPTION_FLOAT_INVALID_OPERATION=0xc0000090, "
        "EXCEPTION_FLOAT_OVERFLOW=0xc0000091, "
        "EXCEPTION_FLOAT_STACK_CHECK=0xc0000092, "
        "EXCEPTION_FLOAT_UNDERFLOW=0xc0000093, "
        "EXCEPTION_INTEGER_DIVIDE_BY_ZERO=0xc0000094, "
        "EXCEPTION_INTEGER_OVERFLOW=0xc0000095, "
        "EXCEPTION_PRIVILEGED_INSTRUCTION=0xc0000096, "
        "EXCEPTION_STACK_OVERFLOW=0xc00000fd, "
        "EXCEPTION_POSSIBLE_DEADLOCK=0xc0000194 };",
        0);
 
    sdb_set(obj->kv, "mdmp_exception_flags.cparse",
        "enum mdmp_exception_flags { "
        "EXCEPTION_CONTINUABLE=0, "
        "EXCEPTION_NONCONTINUABLE=1 };",
        0);
 
    sdb_set(obj->kv, "mdmp_handle_object_information_type.cparse",
        "enum mdmp_handle_object_information_type { "
        "MiniHandleObjectInformationNone=0, "
        "MiniThreadInformation1=1, MiniMutantInformation1=2, "
        "MiniMutantInformation2=3, MiniMutantProcessInformation1=4, "
        "MiniProcessInformation2=5 };",
        0);
 
    sdb_set(obj->kv, "mdmp_secondary_flags.cparse",
        "enum mdmp_secondary_flags { "
        "MiniSecondaryWithoutPowerInfo=0 };",
        0);
 
    sdb_set(obj->kv, "mdmp_stream_type.cparse",
        "enum mdmp_stream_type { UnusedStream=0, "
        "ReservedStream0=1, ReservedStream1=2, "
        "ThreadListStream=3, ModuleListStream=4, "
        "MemoryListStream=5, ExceptionStream=6, "
        "SystemInfoStream=7, ThreadExListStream=8, "
        "Memory64ListStream=9, CommentStreamA=10, "
        "CommentStreamW=11, HandleDataStream=12, "
        "FunctionTableStream=13, UnloadedModuleListStream=14, "
        "MiscInfoStream=15, MemoryInfoListStream=16, "
        "ThreadInfoListStream=17, "
        "HandleOperationListStream=18, "
        "LastReservedStream=0xffff };",
        0);
 
    sdb_set(obj->kv, "mdmp_type.cparse", "enum mdmp_type { "
                         "MiniDumpNormal=0x0, "
                         "MiniDumpWithDataSegs=0x1, "
                         "MiniDumpWithFullMemory=0x2, "
                         "MiniDumpWithHandleData=0x4, "
                         "MiniDumpFilterMemory=0x8, "
                         "MiniDumpScanMemory=0x10, "
                         "MiniDumpWithUnloadedModule=0x20, "
                         "MiniDumpWihinDirectlyReferencedMemory=0x40, "
                         "MiniDumpFilterWithModulePaths=0x80,"
                         "MiniDumpWithProcessThreadData=0x100, "
                         "MiniDumpWithPrivateReadWriteMemory=0x200, "
                         "MiniDumpWithoutOptionalDate=0x400, "
                         "MiniDumpWithFullMemoryInfo=0x800, "
                         "MiniDumpWithThreadInfo=0x1000, "
                         "MiniDumpWithCodeSegs=0x2000, "
                         "MiniDumpWithoutAuxiliaryState=0x4000, "
                         "MiniDumpWithFullAuxiliaryState=0x8000, "
                         "MiniDumpWithPrivateWriteCopyMemory=0x10000, "
                         "MiniDumpIgnoreInaccessibleMemory=0x20000, "
                         "MiniDumpWithTokenInformation=0x40000, "
                         "MiniDumpWithModuleHeaders=0x80000, "
                         "MiniDumpFilterTriage=0x100000, "
                         "MiniDumpValidTypeFlags=0x1fffff };",
        0);
 
    sdb_set(obj->kv, "mdmp_module_write_flags.cparse",
        "enum mdmp_module_write_flags { "
        "ModuleWriteModule=0, ModuleWriteDataSeg=2, "
        "ModuleWriteMiscRecord=4, ModuleWriteCvRecord=8, "
        "ModuleReferencedByMemory=0x10, ModuleWriteTlsData=0x20, "
        "ModuleWriteCodeSegs=0x40 };",
        0);
 
    sdb_set(obj->kv, "mdmp_thread_write_flags.cparse",
        "enum mdmp_thread_write_flags { "
        "ThreadWriteThread=0, ThreadWriteStack=2, "
        "ThreadWriteContext=4, ThreadWriteBackingStore=8, "
        "ThreadWriteInstructionWindow=0x10, "
        "ThreadWriteThreadData=0x20, "
        "ThreadWriteThreadInfo=0x40 };",
        0);
 
    sdb_set(obj->kv, "mdmp_context_flags.cparse",
        "enum mdmp_context_flags { CONTEXT_i386=0x10000, "
        "CONTEXT_CONTROL=0x10001, CONTEXT_INTEGER=0x10002, "
        "CONTEXT_SEGMENTS=0x10004, CONTEXT_FLOATING_POINT=0x10008, "
        "CONTEXT_DEBUG_REGISTERS=0x10010, "
        "CONTEXT_EXTENDED_REGISTERS=0x10020 };",
        0);
 
    sdb_set(obj->kv, "mdmp_location_descriptor.format",
        "dd DataSize RVA", 0);
    sdb_set(obj->kv, "mdmp_location_descriptor64.format",
        "qq DataSize RVA", 0);
    sdb_set(obj->kv, "mdmp_memory_descriptor.format", "q? "
                              "StartOfMemoryRange "
                              "(mdmp_location_descriptor)Memory",
        0);
    sdb_set(obj->kv, "mdmp_memory_descriptor64.format", "qq "
                                "StartOfMemoryRange DataSize",
        0);
 
#if 0
    /* TODO: Flag dependent thus not fully implemented */
    sdb_set (obj->kv, "mdmp_context.format", "[4]B "
        "(mdmp_context_flags)ContextFlags", 0);
#endif
 
    sdb_set(obj->kv, "mdmp_vs_fixedfileinfo.format", "ddddddddddddd "
                             "dwSignature dwStrucVersion dwFileVersionMs "
                             "dwFileVersionLs dwProductVersionMs "
                             "dwProductVersionLs dwFileFlagsMask dwFileFlags "
                             "dwFileOs dwFileType dwFileSubtype dwFileDateMs "
                             "dwFileDateLs",
        0);
 
    sdb_set(obj->kv, "mdmp_string.format", "dZ Length Buffer", 0);
}

References rz_bin_mdmp_obj::kv, and sdb_set().

Referenced by rz_bin_mdmp_init().

rz_bin_mdmp_init_pe_bins()

static bool rz_bin_mdmp_init_pe_bins ( struct rz_bin_mdmp_obj *  obj )

static

Definition at line 1302 of file mdmp.c.

                                                                  {
    bool dup;
    ut64 paddr;
    struct minidump_module *module;
    struct Pe32_rz_bin_mdmp_pe_bin *pe32_bin, *pe32_dup;
    struct Pe64_rz_bin_mdmp_pe_bin *pe64_bin, *pe64_dup;
    RzBuffer *buf;
    RzListIter *it, *it_dup;
 
    rz_list_foreach (obj->streams.modules, it, module) {
        /* Duplicate modules can appear in the MDMP module list,
        ** filtering them out seems to be the correct behaviour */
        if (!(paddr = rz_bin_mdmp_get_paddr(obj, module->base_of_image))) {
            continue;
        }
        ut8 *b = RZ_NEWS(ut8, module->size_of_image);
        if (!b) {
            continue;
        }
        int r = rz_buf_read_at(obj->b, paddr, b, module->size_of_image);
        buf = rz_buf_new_with_bytes(b, r);
        dup = false;
        if (check_pe32_buf(buf, module->size_of_image)) {
            rz_list_foreach (obj->pe32_bins, it_dup, pe32_dup) {
                if (pe32_dup->vaddr == module->base_of_image) {
                    dup = true;
                    continue;
                }
            }
            if (dup) {
                continue;
            }
            if (!(pe32_bin = RZ_NEW0(struct Pe32_rz_bin_mdmp_pe_bin))) {
                continue;
            }
            rz_bin_mdmp_patch_pe_headers(buf);
            pe32_bin->vaddr = module->base_of_image;
            pe32_bin->paddr = paddr;
            pe32_bin->bin = Pe32_rz_bin_pe_new_buf(buf, 0);
 
            rz_list_append(obj->pe32_bins, pe32_bin);
        } else if (check_pe64_buf(buf, module->size_of_image)) {
            rz_list_foreach (obj->pe64_bins, it_dup, pe64_dup) {
                if (pe64_dup->vaddr == module->base_of_image) {
                    dup = true;
                    continue;
                }
            }
            if (dup) {
                continue;
            }
            if (!(pe64_bin = RZ_NEW0(struct Pe64_rz_bin_mdmp_pe_bin))) {
                continue;
            }
            rz_bin_mdmp_patch_pe_headers(buf);
            pe64_bin->vaddr = module->base_of_image;
            pe64_bin->paddr = paddr;
            pe64_bin->bin = Pe64_rz_bin_pe_new_buf(buf, 0);
 
            rz_list_append(obj->pe64_bins, pe64_bin);
        }
        rz_buf_free(buf);
    }
    return true;
}

References rz_bin_mdmp_obj::b, b, check_pe32_buf(), check_pe64_buf(), dup, rz_bin_mdmp_obj::minidump_streams::modules, rz_bin_mdmp_obj::pe32_bins, rz_bin_mdmp_obj::pe64_bins, r, rz_bin_mdmp_get_paddr(), rz_bin_mdmp_patch_pe_headers(), rz_buf_free(), rz_buf_new_with_bytes(), rz_buf_read_at(), rz_list_append(), RZ_NEW0, RZ_NEWS, rz_bin_mdmp_obj::streams, and ut64().

Referenced by rz_bin_mdmp_init().

rz_bin_mdmp_new_buf()

struct rz_bin_mdmp_obj* rz_bin_mdmp_new_buf

(

RzBuffer *

buf

)

Definition at line 1389 of file mdmp.c.

                                                           {
    bool fail = false;
    struct rz_bin_mdmp_obj *obj = RZ_NEW0(struct rz_bin_mdmp_obj);
    if (!obj) {
        return NULL;
    }
    obj->kv = sdb_new0();
    obj->size = (ut32)rz_buf_size(buf);
 
    fail |= (!(obj->streams.ex_threads = rz_list_new()));
    fail |= (!(obj->streams.memories = rz_list_newf((RzListFree)free)));
    fail |= (!(obj->streams.memories64.memories = rz_list_new()));
    fail |= (!(obj->streams.memory_infos = rz_list_newf((RzListFree)free)));
    fail |= (!(obj->streams.modules = rz_list_newf((RzListFree)free)));
    fail |= (!(obj->streams.operations = rz_list_newf((RzListFree)free)));
    fail |= (!(obj->streams.thread_infos = rz_list_newf((RzListFree)free)));
    fail |= (!(obj->streams.token_infos = rz_list_newf((RzListFree)free)));
    fail |= (!(obj->streams.threads = rz_list_new()));
    fail |= (!(obj->streams.unloaded_modules = rz_list_newf((RzListFree)free)));
 
    fail |= (!(obj->pe32_bins = rz_list_newf(rz_bin_mdmp_free_pe32_bin)));
    fail |= (!(obj->pe64_bins = rz_list_newf(rz_bin_mdmp_free_pe64_bin)));
 
    if (fail) {
        rz_bin_mdmp_free(obj);
        return NULL;
    }
 
    obj->b = rz_buf_ref(buf);
    if (!rz_bin_mdmp_init(obj)) {
        rz_bin_mdmp_free(obj);
        return NULL;
    }
 
    return obj;
}

References rz_bin_mdmp_obj::b, rz_bin_mdmp_obj::minidump_streams::ex_threads, fail, free(), rz_bin_mdmp_obj::kv, rz_bin_mdmp_obj::minidump_streams::memories, rz_bin_mdmp_obj::minidump_streams::memories64, rz_bin_mdmp_obj::minidump_streams::memory_infos, rz_bin_mdmp_obj::minidump_streams::modules, NULL, rz_bin_mdmp_obj::minidump_streams::operations, rz_bin_mdmp_obj::pe32_bins, rz_bin_mdmp_obj::pe64_bins, rz_bin_mdmp_free(), rz_bin_mdmp_free_pe32_bin(), rz_bin_mdmp_free_pe64_bin(), rz_bin_mdmp_init(), rz_buf_ref(), rz_buf_size(), rz_list_new(), rz_list_newf(), RZ_NEW0, sdb_new0(), rz_bin_mdmp_obj::size, rz_bin_mdmp_obj::streams, rz_bin_mdmp_obj::minidump_streams::thread_infos, rz_bin_mdmp_obj::minidump_streams::threads, rz_bin_mdmp_obj::minidump_streams::token_infos, and rz_bin_mdmp_obj::minidump_streams::unloaded_modules.

Referenced by load_buffer().

rz_bin_mdmp_patch_pe_headers()

static bool rz_bin_mdmp_patch_pe_headers ( RzBuffer *  pe_buf )

static

Definition at line 1217 of file mdmp.c.

                                                           {
    int i;
    Pe64_image_dos_header dos_hdr;
    Pe64_image_nt_headers nt_hdr;
 
    if (!Pe64_read_dos_header(pe_buf, &dos_hdr)) {
        return false;
    }
    if (!Pe64_read_nt_headers(pe_buf, dos_hdr.e_lfanew, &nt_hdr)) {
        return false;
    }
 
    /* Patch RawData in headers */
    ut64 sect_hdrs_off = dos_hdr.e_lfanew + 4 + sizeof(Pe64_image_file_header) + nt_hdr.file_header.SizeOfOptionalHeader;
    Pe64_image_section_header section_hdr;
    for (i = 0; i < nt_hdr.file_header.NumberOfSections; i++) {
        Pe64_read_image_section_header(pe_buf, sect_hdrs_off + i * sizeof(section_hdr), &section_hdr);
        section_hdr.PointerToRawData = section_hdr.VirtualAddress;
        Pe64_write_image_section_header(pe_buf, sect_hdrs_off + i * sizeof(section_hdr), &section_hdr);
    }
 
    return true;
}

References Pe32_image_dos_header::e_lfanew, Pe64_image_nt_headers::file_header, i, Pe32_image_file_header::NumberOfSections, Pe64_read_dos_header(), Pe64_read_image_section_header(), Pe64_read_nt_headers(), Pe64_write_image_section_header(), Pe32_image_file_header::SizeOfOptionalHeader, and ut64().

Referenced by rz_bin_mdmp_init_pe_bins().