From 4646ba6b2a8ff08a989a4c761a9b621343da9671 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 6 Nov 2003 01:17:59 +0000
Subject: * ext/stringio/stringio.c (strio_set_string, strio_reopen): check  
 tainted.

* ext/stringio/stringio.c (strio_copy, strio_ungetc, strio_write,
  strio_putc): add infection.

* ext/stringio/stringio.c (strio_path): just nil.  [ruby-dev:21846]

* ruby.c (proc_options): reserve searched script path in the
  source file name table.  [ruby-list:38765]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4906 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/stringio/stringio.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

(limited to 'ext/stringio/stringio.c')

diff --git a/ext/stringio/stringio.c b/ext/stringio/stringio.c
index 5f824e3f58..6dd68fdb40 100644
--- a/ext/stringio/stringio.c
+++ b/ext/stringio/stringio.c
@@ -148,7 +148,6 @@ static VALUE strio_closed _((VALUE));
 static VALUE strio_closed_read _((VALUE));
 static VALUE strio_closed_write _((VALUE));
 static VALUE strio_eof _((VALUE));
-/* static VALUE strio_become _((VALUE, VALUE)); NOT USED */
 static VALUE strio_get_lineno _((VALUE));
 static VALUE strio_set_lineno _((VALUE, VALUE));
 static VALUE strio_get_pos _((VALUE));
@@ -156,7 +155,6 @@ static VALUE strio_set_pos _((VALUE, VALUE));
 static VALUE strio_rewind _((VALUE));
 static VALUE strio_seek _((int, VALUE *, VALUE));
 static VALUE strio_get_sync _((VALUE));
-/* static VALUE strio_set_sync _((VALUE, VALUE)); NOT USED */
 static VALUE strio_each_byte _((VALUE));
 static VALUE strio_getc _((VALUE));
 static VALUE strio_ungetc _((VALUE, VALUE));
@@ -167,8 +165,6 @@ static VALUE strio_readline _((int, VALUE *, VALUE));
 static VALUE strio_each _((int, VALUE *, VALUE));
 static VALUE strio_readlines _((int, VALUE *, VALUE));
 static VALUE strio_write _((VALUE, VALUE));
-/* static VALUE strio_print _((int, VALUE *, VALUE)); NOT USED */
-/* static VALUE strio_printf _((int, VALUE *, VALUE)); NOT USED */
 static VALUE strio_putc _((VALUE, VALUE));
 static VALUE strio_read _((int, VALUE *, VALUE));
 static VALUE strio_size _((VALUE));
@@ -317,6 +313,7 @@ strio_set_string(self, string)
 {
     struct StringIO *ptr = StringIO(self);
 
+    if (!OBJ_TAINTED(self)) rb_secure(4);
     ptr->flags &= ~FMODE_READWRITE;
     if (!NIL_P(string)) {
 	StringValue(string);
@@ -417,6 +414,7 @@ strio_copy(copy, orig)
 	strio_free(DATA_PTR(copy));
     }
     DATA_PTR(copy) = ptr;
+    OBJ_INFECT(copy, orig);
     ++ptr->count;
     return copy;
 }
@@ -450,7 +448,7 @@ strio_reopen(argc, argv, self)
     VALUE *argv;
     VALUE self;
 {
-    rb_secure(4);
+    if (!OBJ_TAINTED(self)) rb_secure(4);
     if (argc == 1 && TYPE(*argv) != T_STRING) {
 	return strio_copy(self, *argv);
     }
@@ -577,6 +575,7 @@ strio_ungetc(self, ch)
 		rb_str_modify(ptr->string);
 	    }
 	    RSTRING(ptr->string)->ptr[pos - 1] = cc;
+	    OBJ_INFECT(ptr->string, self);
 	}
 	--ptr->pos;
     }
@@ -783,6 +782,7 @@ strio_write(self, str)
 	}
 	rb_str_update(ptr->string, ptr->pos, len, str);
     }
+    OBJ_INFECT(ptr->string, self);
     ptr->pos += len;
     return LONG2NUM(len);
 }
@@ -811,6 +811,7 @@ strio_putc(self, ch)
 	rb_str_modify(ptr->string);
     }
     RSTRING(ptr->string)->ptr[ptr->pos++] = c;
+    OBJ_INFECT(ptr->string, self);
     return ch;
 }
 
@@ -862,7 +863,7 @@ strio_sysread(argc, argv, self)
 
 #define strio_syswrite strio_write
 
-#define strio_path rb_inspect
+#define strio_path strio_nil
 
 #define strio_isatty strio_false
 
-- 
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