diff options
| -rw-r--r-- | lib/cookie.c | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/lib/cookie.c b/lib/cookie.c index 4b9ec0bdd..a67204e6e 100644 --- a/lib/cookie.c +++ b/lib/cookie.c @@ -118,15 +118,29 @@ static void freecookie(struct Cookie *co) free(co); } -static bool tailmatch(const char *little, const char *bigone) +static bool tailmatch(const char *cooke_domain, const char *hostname) { - size_t littlelen = strlen(little); - size_t biglen = strlen(bigone); + size_t cookie_domain_len = strlen(cooke_domain); + size_t hostname_len = strlen(hostname); - if(littlelen > biglen) + if(hostname_len < cookie_domain_len) return FALSE; - return Curl_raw_equal(little, bigone+biglen-littlelen) ? TRUE : FALSE; + if(!Curl_raw_equal(cooke_domain, hostname+hostname_len-cookie_domain_len)) + return FALSE; + + /* A lead char of cookie_domain is not '.'. + RFC6265 4.1.2.3. The Domain Attribute says: + For example, if the value of the Domain attribute is + "example.com", the user agent will include the cookie in the Cookie + header when making HTTP requests to example.com, www.example.com, and + www.corp.example.com. + */ + if(hostname_len == cookie_domain_len) + return TRUE; + if('.' == *(hostname + hostname_len - cookie_domain_len - 1)) + return TRUE; + return FALSE; } /* |