Treat exact domain match cookies on public suffixes as host cookies.

net/cookies/cookie_store_unittest.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef NET_COOKIES_COOKIE_STORE_UNITTEST_H_
 #define NET_COOKIES_COOKIE_STORE_UNITTEST_H_
 
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 497 matching lines @@
 }
 
 // Test host cookies, and setting of cookies on TLD.
 TYPED_TEST_P(CookieStoreTest, TestNonDottedAndTLD) {
   {
     scoped_refptr<CookieStore> cs(this->GetCookieStore());
     GURL url("http://com/");
     // Allow setting on "com", (but only as a host cookie).
     EXPECT_TRUE(this->SetCookie(cs.get(), url, "a=1"));
     EXPECT_FALSE(this->SetCookie(cs.get(), url, "b=2; domain=.com"));
-    EXPECT_FALSE(this->SetCookie(cs.get(), url, "c=3; domain=com"));
+
     this->MatchCookieLines("a=1", this->GetCookies(cs.get(), url));
     // Make sure it doesn't show up for a normal .com, it should be a host
     // not a domain cookie.
+    this->MatchCookieLines(
+        std::string(),
+        this->GetCookies(cs.get(), GURL("http://hopefully-no-cookies.com/")));
+    if (TypeParam::supports_non_dotted_domains) {
+      this->MatchCookieLines(std::string(),
+                             this->GetCookies(cs.get(), GURL("http://.com/")));
+    }
+  }
+
+  {
+    // Exact matches between the domain attribute and the host are treated as
+    // host cookies, not domain cookies.
+    scoped_refptr<CookieStore> cs(this->GetCookieStore());
+    GURL url("http://com/");
+    EXPECT_TRUE(this->SetCookie(cs.get(), url, "a=1; domain=com"));
+
+    this->MatchCookieLines("a=1", this->GetCookies(cs.get(), url));
+    // Make sure it doesn't show up for a normal .com, it should be a host
+    // not a domain cookie.
     this->MatchCookieLines(
         std::string(),
         this->GetCookies(cs.get(), GURL("http://hopefully-no-cookies.com/")));
     if (TypeParam::supports_non_dotted_domains) {
       this->MatchCookieLines(std::string(),
                              this->GetCookies(cs.get(), GURL("http://.com/")));
     }
   }
 
   {
@@ skipping 36 matching lines @@
     this->MatchCookieLines(
         std::string(),
         this->GetCookies(cs.get(), GURL("http://something-else.uk")));
   }
 
   {  // Intranet URLs should only be able to set host cookies.
     scoped_refptr<CookieStore> cs(this->GetCookieStore());
     GURL url("http://b");
     EXPECT_TRUE(this->SetCookie(cs.get(), url, "a=1"));
     EXPECT_FALSE(this->SetCookie(cs.get(), url, "b=2; domain=.b"));
-    EXPECT_FALSE(this->SetCookie(cs.get(), url, "c=3; domain=b"));
     this->MatchCookieLines("a=1", this->GetCookies(cs.get(), url));
   }
+
+  {
+    // Exact matches between the domain attribute and an intranet host are
+    // treated as host cookies, not domain cookies.
+    scoped_refptr<CookieStore> cs(this->GetCookieStore());
+    GURL url("http://b/");
+    EXPECT_TRUE(this->SetCookie(cs.get(), url, "a=1; domain=b"));
+
+    this->MatchCookieLines("a=1", this->GetCookies(cs.get(), url));
+    // Make sure it doesn't show up for an intranet subdomain, it should be a
+    // host not a domain cookie.
+    this->MatchCookieLines(
+        std::string(),
+        this->GetCookies(cs.get(), GURL("http://hopefully-no-cookies.b/")));
+    if (TypeParam::supports_non_dotted_domains) {
+      this->MatchCookieLines(std::string(),
+                             this->GetCookies(cs.get(), GURL("http://.b/")));
+    }
+  }
 }
 
 // Test reading/writing cookies when the domain ends with a period,
 // as in "www.google.com."
 TYPED_TEST_P(CookieStoreTest, TestHostEndsWithDot) {
   scoped_refptr<CookieStore> cs(this->GetCookieStore());
   GURL url("http://www.google.com");
   GURL url_with_dot("http://www.google.com.");
   EXPECT_TRUE(this->SetCookie(cs.get(), url, "a=1"));
   this->MatchCookieLines("a=1", this->GetCookies(cs.get(), url));
@@ skipping 651 matching lines @@
 REGISTER_TYPED_TEST_CASE_P(MultiThreadedCookieStoreTest,
                            ThreadCheckGetCookies,
                            ThreadCheckGetCookiesWithOptions,
                            ThreadCheckSetCookieWithOptions,
                            ThreadCheckDeleteCookie,
                            ThreadCheckDeleteSessionCookies);
 
 }  // namespace net
 
 #endif  // NET_COOKIES_COOKIE_STORE_UNITTEST_H_