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-rw-r--r--src/logic/pe_get_image_meta.c156
1 files changed, 78 insertions, 78 deletions
diff --git a/src/logic/pe_get_image_meta.c b/src/logic/pe_get_image_meta.c
index 412f06e..0bfc393 100644
--- a/src/logic/pe_get_image_meta.c
+++ b/src/logic/pe_get_image_meta.c
@@ -18,11 +18,11 @@ static int pe_free_image_meta_impl(struct pe_image_meta * meta, int ret)
int i;
if (meta) {
- for (i=0; i<meta->mstats.nimplibs; i++)
- free(meta->idata[i].ih_items);
+ for (i=0; i<meta->m_stats.nimplibs; i++)
+ free(meta->m_idata[i].ih_items);
- free(meta->idata);
- free(meta->sectbl);
+ free(meta->m_idata);
+ free(meta->m_sectbl);
free(meta);
}
@@ -36,8 +36,8 @@ void pe_free_image_meta(struct pe_image_meta * meta)
int pe_get_named_section_index(const struct pe_image_meta * m, const char * name)
{
- int i; for (i=0; i<m->coff.cfh_num_of_sections; i++)
- if (!(strcmp(name,m->sectbl[i].sh_name)))
+ int i; for (i=0; i<m->m_coff.cfh_num_of_sections; i++)
+ if (!(strcmp(name,m->m_sectbl[i].sh_name)))
return i;
return -1;
@@ -51,9 +51,9 @@ int pe_get_block_section_index(const struct pe_image_meta * m, const struct pe_b
if (m->aobj)
return -1;
- for (i=0; i<m->coff.cfh_num_of_sections; i++) {
- low = m->sectbl[i].sh_virtual_addr;
- high = low + m->sectbl[i].sh_virtual_size;
+ for (i=0; i<m->m_coff.cfh_num_of_sections; i++) {
+ low = m->m_sectbl[i].sh_virtual_addr;
+ high = low + m->m_sectbl[i].sh_virtual_size;
if ((block->dh_rva >= low) && (block->dh_rva + block->dh_size <= high))
return i;
@@ -67,12 +67,12 @@ int pe_get_roffset_from_rva(const struct pe_image_meta * m, uint32_t rva, uint32
int i;
uint32_t low,high;
- for (i=0; i<m->coff.cfh_num_of_sections; i++) {
- low = m->sectbl[i].sh_virtual_addr;
- high = low + m->sectbl[i].sh_virtual_size;
+ for (i=0; i<m->m_coff.cfh_num_of_sections; i++) {
+ low = m->m_sectbl[i].sh_virtual_addr;
+ high = low + m->m_sectbl[i].sh_virtual_size;
if ((rva >= low) && (rva < high)) {
- *roffset = (rva - low) + m->sectbl[i].sh_ptr_to_raw_data;
+ *roffset = (rva - low) + m->m_sectbl[i].sh_ptr_to_raw_data;
return 0;
}
}
@@ -85,12 +85,12 @@ int pe_get_rva_from_roffset(const struct pe_image_meta * m, uint32_t roffset, ui
int i;
uint32_t low,high,ref;
- for (i=0, ref=~0; i<m->coff.cfh_num_of_sections; i++) {
- low = m->sectbl[i].sh_ptr_to_raw_data;
- high = low + m->sectbl[i].sh_virtual_size;
+ for (i=0, ref=~0; i<m->m_coff.cfh_num_of_sections; i++) {
+ low = m->m_sectbl[i].sh_ptr_to_raw_data;
+ high = low + m->m_sectbl[i].sh_virtual_size;
if ((roffset >= low) && (roffset < high)) {
- *rva = (roffset - low) + m->sectbl[i].sh_virtual_addr;
+ *rva = (roffset - low) + m->m_sectbl[i].sh_virtual_addr;
return 0;
} else if (ref > low) {
ref = low;
@@ -119,9 +119,9 @@ int pe_get_expsym_by_name(
return -1;
offset = m->hedata->sh_virtual_addr - m->hedata->sh_ptr_to_raw_data;
- symrva = (uint32_t *)((uintptr_t)m->image.addr + (m->edata.eh_name_ptr_rva - offset));
+ symrva = (uint32_t *)((uintptr_t)m->image.addr + (m->m_edata.eh_name_ptr_rva - offset));
- for (i=0; i<m->edata.eh_num_of_name_ptrs; i++) {
+ for (i=0; i<m->m_edata.eh_num_of_name_ptrs; i++) {
sym = (const char *)m->image.addr + symrva[i] - offset;
if (!(strcmp(sym,name))) {
@@ -151,12 +151,12 @@ int pe_get_expsym_by_index(
if (m->aobj)
return -1;
- if (index >= m->edata.eh_num_of_name_ptrs)
+ if (index >= m->m_edata.eh_num_of_name_ptrs)
return -1;
if (expsym) {
offset = m->hedata->sh_virtual_addr - m->hedata->sh_ptr_to_raw_data;
- symrva = (uint32_t *)((uintptr_t)m->image.addr + (m->edata.eh_name_ptr_rva - offset));
+ symrva = (uint32_t *)((uintptr_t)m->image.addr + (m->m_edata.eh_name_ptr_rva - offset));
symaddr = (uintptr_t)m->image.addr + symrva[index] - offset;
expsym->name = (const char *)symaddr;
@@ -188,78 +188,78 @@ int pe_get_image_meta(
m->aobj = (struct pe_raw_coff_object_hdr *)base;
- if (pe_read_object_header(m->aobj,&m->coff)) {
+ if (pe_read_object_header(m->aobj,&m->m_coff)) {
m->aobj = 0;
m->ados = (struct pe_raw_image_dos_hdr *)base;
- if ((ret = (pe_read_dos_header(m->ados,&m->dos))))
+ if ((ret = (pe_read_dos_header(m->ados,&m->m_dos))))
return pe_free_image_meta_impl(
m,PERK_CUSTOM_ERROR(dctx,ret));
- m->acoff = (struct pe_raw_coff_image_hdr *)(base + m->dos.dos_lfanew);
+ m->acoff = (struct pe_raw_coff_image_hdr *)(base + m->m_dos.dos_lfanew);
- if ((ret = (pe_read_coff_header(m->acoff,&m->coff))))
+ if ((ret = (pe_read_coff_header(m->acoff,&m->m_coff))))
return pe_free_image_meta_impl(
m,PERK_CUSTOM_ERROR(dctx,ret));
}
- mark = (const unsigned char *)base + m->coff.cfh_ptr_to_sym_tbl;
- mark += m->coff.cfh_num_of_syms * sizeof(struct pe_raw_coff_symbol);
+ mark = (const unsigned char *)base + m->m_coff.cfh_ptr_to_sym_tbl;
+ mark += m->m_coff.cfh_num_of_syms * sizeof(struct pe_raw_coff_symbol);
- if (m->coff.cfh_ptr_to_sym_tbl) {
- m->coff.cfh_ptr_to_str_tbl = m->coff.cfh_ptr_to_sym_tbl;
- m->coff.cfh_ptr_to_str_tbl += m->coff.cfh_num_of_syms * sizeof(struct pe_raw_coff_symbol);
- m->coff.cfh_size_of_str_tbl = pe_read_long(mark);
+ if (m->m_coff.cfh_ptr_to_sym_tbl) {
+ m->m_coff.cfh_ptr_to_str_tbl = m->m_coff.cfh_ptr_to_sym_tbl;
+ m->m_coff.cfh_ptr_to_str_tbl += m->m_coff.cfh_num_of_syms * sizeof(struct pe_raw_coff_symbol);
+ m->m_coff.cfh_size_of_str_tbl = pe_read_long(mark);
}
if (m->ados) {
mark = &m->acoff->cfh_signature[0];
m->aopt = (union pe_raw_opt_hdr *)(mark + sizeof(*m->acoff));
- if ((ret = (pe_read_optional_header(m->aopt,&m->opt))))
+ if ((ret = (pe_read_optional_header(m->aopt,&m->m_opt))))
return pe_free_image_meta_impl(
m,PERK_CUSTOM_ERROR(dctx,ret));
mark = &m->aopt->opt_hdr_32.coh_magic[0];
- m->asectbl = (struct pe_raw_sec_hdr *)(mark + m->coff.cfh_size_of_opt_hdr);
+ m->asectbl = (struct pe_raw_sec_hdr *)(mark + m->m_coff.cfh_size_of_opt_hdr);
} else {
mark = &m->aobj->cfh_machine[0];
m->asectbl = (struct pe_raw_sec_hdr *)(mark + sizeof(*m->aobj));
}
- if (!(m->sectbl = calloc(m->coff.cfh_num_of_sections,sizeof(*(m->sectbl)))))
+ if (!(m->m_sectbl = calloc(m->m_coff.cfh_num_of_sections,sizeof(*(m->m_sectbl)))))
return pe_free_image_meta_impl(
m,PERK_SYSTEM_ERROR(dctx));
- for (i=0; i<m->coff.cfh_num_of_sections; i++) {
- pe_read_section_header(&m->asectbl[i],&m->sectbl[i]);
+ for (i=0; i<m->m_coff.cfh_num_of_sections; i++) {
+ pe_read_section_header(&m->asectbl[i],&m->m_sectbl[i]);
- if (m->sectbl[i].sh_name[0] == '/')
- if ((l = strtol(&m->sectbl[i].sh_name[1],0,10)) > 0)
- if (l < m->coff.cfh_size_of_str_tbl)
- m->sectbl[i].sh_long_name = base + m->coff.cfh_ptr_to_str_tbl + l;
+ if (m->m_sectbl[i].sh_name[0] == '/')
+ if ((l = strtol(&m->m_sectbl[i].sh_name[1],0,10)) > 0)
+ if (l < m->m_coff.cfh_size_of_str_tbl)
+ m->m_sectbl[i].sh_long_name = base + m->m_coff.cfh_ptr_to_str_tbl + l;
}
/* .edata */
i = pe_get_named_section_index(m,".edata");
- s = pe_get_block_section_index(m,&m->opt.oh_dirs.coh_export_tbl);
+ s = pe_get_block_section_index(m,&m->m_opt.oh_dirs.coh_export_tbl);
if ((i >= 0) && (i != s))
return pe_free_image_meta_impl(
m,PERK_CUSTOM_ERROR(dctx,PERK_ERR_IMAGE_MALFORMED));
if (s >= 0) {
- m->hedata = &m->sectbl[s];
- m->aedata = (struct pe_raw_export_hdr *)(base + m->sectbl[s].sh_ptr_to_raw_data
- + m->opt.oh_dirs.coh_export_tbl.dh_rva - m->sectbl[s].sh_virtual_addr);
+ m->hedata = &m->m_sectbl[s];
+ m->aedata = (struct pe_raw_export_hdr *)(base + m->m_sectbl[s].sh_ptr_to_raw_data
+ + m->m_opt.oh_dirs.coh_export_tbl.dh_rva - m->m_sectbl[s].sh_virtual_addr);
} else if (i >= 0) {
- m->hedata = &m->sectbl[i];
- m->aedata = (struct pe_raw_export_hdr *)(base + m->sectbl[i].sh_ptr_to_raw_data);
+ m->hedata = &m->m_sectbl[i];
+ m->aedata = (struct pe_raw_export_hdr *)(base + m->m_sectbl[i].sh_ptr_to_raw_data);
}
if (m->aedata) {
- pe_read_export_header(m->aedata,&m->edata);
- m->mstats.nexpsyms = m->edata.eh_num_of_name_ptrs;
+ pe_read_export_header(m->aedata,&m->m_edata);
+ m->m_stats.nexpsyms = m->m_edata.eh_num_of_name_ptrs;
}
/* .idata */
@@ -267,83 +267,83 @@ int pe_get_image_meta(
union pe_raw_import_lookup * pitem;
i = pe_get_named_section_index(m,".idata");
- s = pe_get_block_section_index(m,&m->opt.oh_dirs.coh_import_tbl);
+ s = pe_get_block_section_index(m,&m->m_opt.oh_dirs.coh_import_tbl);
if ((i >= 0) && (i != s))
return pe_free_image_meta_impl(
m,PERK_CUSTOM_ERROR(dctx,PERK_ERR_IMAGE_MALFORMED));
if (s >= 0) {
- m->hidata = &m->sectbl[s];
- m->aidata = (struct pe_raw_import_hdr *)(base + m->sectbl[s].sh_ptr_to_raw_data
- + m->opt.oh_dirs.coh_import_tbl.dh_rva - m->sectbl[s].sh_virtual_addr);
+ m->hidata = &m->m_sectbl[s];
+ m->aidata = (struct pe_raw_import_hdr *)(base + m->m_sectbl[s].sh_ptr_to_raw_data
+ + m->m_opt.oh_dirs.coh_import_tbl.dh_rva - m->m_sectbl[s].sh_virtual_addr);
} else if (i >= 0) {
- m->hidata = &m->sectbl[i];
- m->aidata = (struct pe_raw_import_hdr *)(base + m->sectbl[i].sh_ptr_to_raw_data);
+ m->hidata = &m->m_sectbl[i];
+ m->aidata = (struct pe_raw_import_hdr *)(base + m->m_sectbl[i].sh_ptr_to_raw_data);
}
if (m->aidata) {
/* num of implibs */
for (pidata=m->aidata; pe_read_long(pidata->ih_name_rva); pidata++)
- m->mstats.nimplibs++;
+ m->m_stats.nimplibs++;
/* import headers */
- if (!(m->idata = calloc(m->mstats.nimplibs,sizeof(*m->idata))))
+ if (!(m->m_idata = calloc(m->m_stats.nimplibs,sizeof(*m->m_idata))))
return pe_free_image_meta_impl(
m,PERK_SYSTEM_ERROR(dctx));
- for (i=0; i<m->mstats.nimplibs; i++) {
- pe_read_import_header(&m->aidata[i],&m->idata[i]);
+ for (i=0; i<m->m_stats.nimplibs; i++) {
+ pe_read_import_header(&m->aidata[i],&m->m_idata[i]);
- m->idata[i].ih_name = base + m->hidata->sh_ptr_to_raw_data
- + m->idata[i].ih_name_rva
+ m->m_idata[i].ih_name = base + m->hidata->sh_ptr_to_raw_data
+ + m->m_idata[i].ih_name_rva
- m->hidata->sh_virtual_addr;
- if (m->idata[i].ih_import_lookup_tbl_rva)
- m->idata[i].ih_aitems = (union pe_raw_import_lookup *)(base + m->hidata->sh_ptr_to_raw_data
- + m->idata[i].ih_import_lookup_tbl_rva
+ if (m->m_idata[i].ih_import_lookup_tbl_rva)
+ m->m_idata[i].ih_aitems = (union pe_raw_import_lookup *)(base + m->hidata->sh_ptr_to_raw_data
+ + m->m_idata[i].ih_import_lookup_tbl_rva
- m->hidata->sh_virtual_addr);
/* items */
uint32_t * hint;
- m->idata[i].ih_count = 0;
+ m->m_idata[i].ih_count = 0;
- if (m->idata[i].ih_import_lookup_tbl_rva) {
- pitem = m->idata[i].ih_aitems;
+ if (m->m_idata[i].ih_import_lookup_tbl_rva) {
+ pitem = m->m_idata[i].ih_aitems;
hint = (uint32_t *)pitem->ii_hint_name_tbl_rva;
for (; *hint; hint=(uint32_t *)((++pitem)->ii_hint_name_tbl_rva))
- m->idata[i].ih_count++;
+ m->m_idata[i].ih_count++;
- if (!(m->idata[i].ih_items = calloc(m->idata[i].ih_count,sizeof(*(m->idata[i].ih_items)))))
+ if (!(m->m_idata[i].ih_items = calloc(m->m_idata[i].ih_count,sizeof(*(m->m_idata[i].ih_items)))))
return pe_free_image_meta_impl(
m,PERK_SYSTEM_ERROR(dctx));
}
- for (j=0; j<m->idata[i].ih_count; j++) {
+ for (j=0; j<m->m_idata[i].ih_count; j++) {
if ((ret = pe_read_import_lookup(
- &(m->idata[i].ih_aitems[j]),
- &(m->idata[i].ih_items[j]),
- m->opt.oh_std.coh_magic)))
+ &(m->m_idata[i].ih_aitems[j]),
+ &(m->m_idata[i].ih_items[j]),
+ m->m_opt.oh_std.coh_magic)))
return pe_free_image_meta_impl(
m,PERK_CUSTOM_ERROR(dctx,ret));
- switch (m->opt.oh_std.coh_magic) {
+ switch (m->m_opt.oh_std.coh_magic) {
case PE_MAGIC_PE32:
- m->idata[i].ih_items[j].ii_flags = m->idata[i].ih_items[j].u.ii_import_lookup_entry_32;
+ m->m_idata[i].ih_items[j].ii_flags = m->m_idata[i].ih_items[j].u.ii_import_lookup_entry_32;
break;
case PE_MAGIC_PE32_PLUS:
- m->idata[i].ih_items[j].ii_flags = (m->idata[i].ih_items[j].u.ii_import_lookup_entry_64 >> 32);
+ m->m_idata[i].ih_items[j].ii_flags = (m->m_idata[i].ih_items[j].u.ii_import_lookup_entry_64 >> 32);
break;
}
- if (!m->idata[i].ih_items[j].ii_flags) {
+ if (!m->m_idata[i].ih_items[j].ii_flags) {
struct pe_raw_hint_name_entry * pentry =
(struct pe_raw_hint_name_entry *)(base + m->hidata->sh_ptr_to_raw_data
- + m->idata[i].ih_items[j].u.ii_hint_name_tbl_rva - m->hidata->sh_virtual_addr);
+ + m->m_idata[i].ih_items[j].u.ii_hint_name_tbl_rva - m->hidata->sh_virtual_addr);
- m->idata[i].ih_items[j].ii_name = (char *)pentry->ii_name;
+ m->m_idata[i].ih_items[j].ii_name = (char *)pentry->ii_name;
}
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-21 21:23:47 +0000