output: pe_output_image_strings(): initial implementation and integration.

4 files changed, 57 insertions, 0 deletions

diff --git a/include/perk/perk.h b/include/perk/perk.h
index 8324f66..03aaedf 100644
--- a/include/perk/perk.h
+++ b/include/perk/perk.h
@@ -165,6 +165,7 @@ perk_api int  pe_main			(int, char **, char **);
 perk_api int  pe_output_image_category	(const struct pe_driver_ctx *, const struct pe_image_meta *, FILE *);
 perk_api int  pe_output_image_sections	(const struct pe_driver_ctx *, const struct pe_image_meta *, FILE *);
 perk_api int  pe_output_image_symbols	(const struct pe_driver_ctx *, const struct pe_image_meta *, FILE *);
+perk_api int  pe_output_image_strings	(const struct pe_driver_ctx *, const struct pe_image_meta *, FILE *);
 perk_api int  pe_output_export_symbols	(const struct pe_driver_ctx *, const struct pe_image_meta *, FILE *);
 perk_api int  pe_output_import_libraries(const struct pe_driver_ctx *, const struct pe_image_meta *, FILE *);
 perk_api int  pe_output_error_record	(const struct pe_driver_ctx *, const struct pe_error_info *);
diff --git a/project/common.mk b/project/common.mk
index e84caa2..2c98c93 100644
--- a/project/common.mk
+++ b/project/common.mk
@@ -12,6 +12,7 @@ API_SRCS = \
 	src/output/pe_output_export_symbols.c \
 	src/output/pe_output_image_category.c \
 	src/output/pe_output_image_sections.c \
+	src/output/pe_output_image_strings.c \
 	src/output/pe_output_image_symbols.c \
 	src/output/pe_output_import_libraries.c \
 	src/reader/pe_read_coff_header.c \
diff --git a/src/driver/pe_amain.c b/src/driver/pe_amain.c
index e9167fb..de98c16 100644
--- a/src/driver/pe_amain.c
+++ b/src/driver/pe_amain.c
@@ -61,6 +61,9 @@ static void pe_perform_unit_actions(
 	if (flags & PERK_OUTPUT_IMAGE_SYMBOLS)
 		pe_output_image_symbols(dctx,uctx->meta,0);
 
+	if (flags & PERK_OUTPUT_IMAGE_STRINGS)
+		pe_output_image_strings(dctx,uctx->meta,0);
+
 	if (flags & PERK_OUTPUT_EXPORT_SYMS)
 		pe_output_export_symbols(dctx,uctx->meta,0);
 
diff --git a/src/output/pe_output_image_strings.c b/src/output/pe_output_image_strings.c
new file mode 100644
index 0000000..a2b16fa
--- /dev/null
+++ b/src/output/pe_output_image_strings.c
@@ -0,0 +1,52 @@
+/***************************************************************/
+/*  perk: PE Resource Kit                                      */
+/*  Copyright (C) 2015--2016  Z. Gilboa                        */
+/*  Released under GPLv2 and GPLv3; see COPYING.PERK.          */
+/***************************************************************/
+
+#include <stdio.h>
+#include <string.h>
+
+#include <perk/perk.h>
+#include <perk/perk_output.h>
+#include "perk_reader_impl.h"
+#include "perk_errinfo_impl.h"
+
+int pe_output_image_strings(
+	const struct pe_driver_ctx *	dctx,
+	const struct pe_image_meta *	meta,
+	FILE *				fout)
+{
+	const char *	ch;
+	const char *	mark;
+	const char *	cap;
+	const char * 	dash = "";
+
+	if (!fout)
+		fout = stdout;
+
+	if (dctx->cctx->fmtflags & PERK_PRETTY_YAML) {
+		if (fputs("strings:\n",fout) < 0)
+			return PERK_FILE_ERROR(dctx);
+
+		dash = "- ";
+	}
+
+	mark  = (char *)meta->image.addr;
+	mark += meta->coff.ptr_to_string_tbl;
+
+	cap   = mark + meta->coff.size_of_string_tbl;
+	mark += sizeof(uint32_t);
+
+	for (ch=mark; ch<cap; ) {
+		if (fprintf(fout,"%s%s\n",dash,ch) < 0)
+			return PERK_FILE_ERROR(dctx);
+
+		ch += strlen(ch);
+
+		for (; ch<cap && !*ch; )
+			ch++;
+	}
+
+	return 0;
+}