common + arch diff

main.c

@@ -1,5 +1,30 @@
-// goal:
-// replace "file" + "checksec"
+// This is free and unencumbered software released into the public domain.
+// 
+// Anyone is free to copy, modify, publish, use, compile, sell, or
+// distribute this software, either in source code form or as a compiled
+// binary, for any purpose, commercial or non-commercial, and by any
+// means.
+// 
+// In jurisdictions that recognize copyright laws, the author or authors
+// of this software dedicate any and all copyright interest in the
+// software to the public domain. We make this dedication for the benefit
+// of the public at large and to the detriment of our heirs and
+// successors. We intend this dedication to be an overt act of
+// relinquishment in perpetuity of all present and future rights to this
+// software under copyright law.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+// IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+// OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+// OTHER DEALINGS IN THE SOFTWARE.
+// 
+// For more information, please refer to <https://unlicense.org/>
+// 
+// @author xamidev <xamidev@riseup.net>
+// @brief Recon tool for ELF32/64
 
 #include <stdio.h>
 #include <stdlib.h>
@@ -83,14 +108,36 @@ int read_elf_magic(FILE* fp)
 	return 0;
 }
 
+void display_elf_common(unsigned char e_ident[EI_NIDENT])
+{
+	// EI_DATA
+	switch(e_ident[5])
+	{
+		case 0x01:
+			printf("(LSB) ");
+			break;
+		case 0x02:
+			printf("(MSB) ");
+			break;
+		default:
+			printf("\nInvalid data encoding!\n");
+			exit(-EINVAL);
+	}
+
+	// EI_VERSION
+	printf("version %d", e_ident[6]);
+}
+
 void display_elf32(struct Elf32_Ehdr* header)
 {
-	printf("32-bit ELF\n");
+	printf("32-bit ELF ");
+	display_elf_common(header->e_ident);
 }
 
 void display_elf64(struct Elf64_Ehdr* header)
 {
-	printf("64-bit ELF\n");
+	printf("64-bit ELF ");
+	display_elf_common(header->e_ident);
 }
 
 unsigned char read_elf_obj_size(FILE* fp)