From fcbc501717910e6468f1e4a20703663f17d2c1c0 Mon Sep 17 00:00:00 2001
From: elfmaster <ryan@bitlackeys.org~>
Date: Mon, 14 Mar 2022 00:31:21 -0700
Subject: [PATCH] added elf_interpreteR_path

---
 build/libelfmaster.pc  |  7 ++++---
 examples/Makefile      |  1 +
 include/libelfmaster.h |  1 +
 src/libelfmaster.c     | 17 +++++++++++++++++
 4 files changed, 23 insertions(+), 3 deletions(-)

diff --git a/build/libelfmaster.pc b/build/libelfmaster.pc
index 53489e8..a996dce 100755
--- a/build/libelfmaster.pc
+++ b/build/libelfmaster.pc
@@ -2,9 +2,10 @@ prefix=/opt/elfmaster
 includedir=/opt/elfmaster/include
 libdir=/opt/elfmaster/lib
 
-Name: Backtrace I/O pdb parsing library
-Description: Library for the loading and parsing of pdb files
-URL: http://backtrace.io/
+Name: Advanced ELF binary parsing API
+Description: Library for the loading, parsing, modifying and
+forensic reconstruction of ELF binaries.
+URL: https://github.com/elfmaster/libelfmaster
 Version: 0.1.0
 Cflags: -D__x86_64__ -I${includedir} -D_GNU_SOURCE
 
diff --git a/examples/Makefile b/examples/Makefile
index 875354b..8f412cd 100755
--- a/examples/Makefile
+++ b/examples/Makefile
@@ -33,6 +33,7 @@ all:
 	$(CC) -Wl,-z,separate-code test.c -o test_scop_pie
 	$(CC) -no-pie -Wl,-z,separate-code test.c -o test_scop_binary
 	$(CC) -O2 -g pltgot.c -o pltgot ../src/libelfmaster.a
+	$(CC) phoff.c -o phoff ../src/libelfmaster.a
 	./stripx test_stripped
 	./stripx test32_stripped
 clean:
diff --git a/include/libelfmaster.h b/include/libelfmaster.h
index 3d38146..2da1dc0 100644
--- a/include/libelfmaster.h
+++ b/include/libelfmaster.h
@@ -990,4 +990,5 @@ bool elf_section_commit(elfobj_t *);
 bool elf_lxc_set_rootfs(elfobj_t *, const char *);
 bool elf_lxc_get_rootfs(elfobj_t *, char *, const size_t);
 
+char * elf_interpreter_path(elfobj_t *);
 #endif
diff --git a/src/libelfmaster.c b/src/libelfmaster.c
index bf0cf91..7a75687 100644
--- a/src/libelfmaster.c
+++ b/src/libelfmaster.c
@@ -3235,6 +3235,23 @@ elf_open_object(const char *path, struct elfobj *obj, uint64_t load_flags,
 	return false;
 }
 
+char *
+elf_interpreter_path(elfobj_t *obj)
+{
+	struct elf_segment segment;
+	elf_segment_iterator_t p_iter;
+	char *path;
+
+	elf_segment_iterator_init(obj, &p_iter);
+	while (elf_segment_iterator_next(&p_iter, &segment) == ELF_ITER_OK) {
+		if (segment.type == PT_INTERP) {
+			path = elf_offset_pointer(obj, segment.offset);
+			return path;
+		}
+	}
+	return NULL;
+}
+
 void
 elf_close_object(elfobj_t *obj)
 {