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| author | midipix <writeonce@midipix.org> | 2015-10-31 12:23:37 -0400 |
|---|---|---|
| committer | midipix <writeonce@midipix.org> | 2016-11-10 23:35:24 -0500 |
| commit | 82a0a1649830c8faad13dffcb4c5450f70af50d9 (patch) | |
| tree | cd2f4392f589cbe74ddc2dac81723206fc4a5f26 | |
| parent | 92cfcee08e475c14d9143a2f0af33720940457ee (diff) | |
| download | perk-82a0a1649830c8faad13dffcb4c5450f70af50d9.tar.bz2 perk-82a0a1649830c8faad13dffcb4c5450f70af50d9.tar.xz | |
account for import directory entries with no referenced symbols.
| -rw-r--r-- | src/main/pe_get_image_meta.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/src/main/pe_get_image_meta.c b/src/main/pe_get_image_meta.c index 47ea8fd..350abe3 100644 --- a/src/main/pe_get_image_meta.c +++ b/src/main/pe_get_image_meta.c @@ -137,8 +137,9 @@ int pe_get_image_meta (const struct pe_raw_image * image, struct pe_image_meta * m->idata[i].name = base + m->hidata->ptr_to_raw_data + m->idata[i].name_rva - m->hidata->virtual_addr; - m->idata[i].aitems = (struct pe_import_lookup_item *)(base + m->hidata->ptr_to_raw_data - + m->idata[i].import_lookup_tbl_rva - m->hidata->virtual_addr); + if (m->idata[i].import_lookup_tbl_rva) + m->idata[i].aitems = (struct pe_import_lookup_item *)(base + m->hidata->ptr_to_raw_data + + m->idata[i].import_lookup_tbl_rva - m->hidata->virtual_addr); #ifdef PERK_DEVEL printf("%s\n",m->idata[i].name); @@ -146,11 +147,13 @@ int pe_get_image_meta (const struct pe_raw_image * image, struct pe_image_meta * /* items */ m->idata[i].count = 0; - for (pitem=m->idata[i].aitems; *(uint32_t *)pitem->u.hint_name_tbl_rva; pitem++) - m->idata[i].count++; + if (m->idata[i].import_lookup_tbl_rva) { + for (pitem=m->idata[i].aitems; *(uint32_t *)pitem->u.hint_name_tbl_rva; pitem++) + m->idata[i].count++; - if (!(m->idata[i].items = calloc(m->idata[i].count,sizeof(*(m->idata[i].items))))) - return pe_free_image_meta_impl(m,status); + if (!(m->idata[i].items = calloc(m->idata[i].count,sizeof(*(m->idata[i].items))))) + return pe_free_image_meta_impl(m,status); + } for (j=0; j<m->idata[i].count; j++) { if ((status = pe_read_import_lookup_item( |