cookies: Add support for Mozilla's Publix Suffix List

Use libpsl to check the domain value of Set-Cookie headers (and cookie
jar entries) for not being a Publix Suffix.

The configure script checks for "libpsl" by default. Disable the check
with --without-libpsl.

Ref: https://publicsuffix.org/
Ref: https://github.com/publicsuffix/list
Ref: https://github.com/rockdaboot/libpsl
This commit is contained in:
Tim Rühsen
2015-09-29 11:33:01 +02:00
committed by Daniel Stenberg
parent 684816cd9b
commit e77b5b7453
7 changed files with 134 additions and 1 deletions

View File

@@ -167,6 +167,7 @@ curl_verbose_msg="enabled (--disable-verbose)"
curl_rtsp_msg="no (--enable-rtsp)"
curl_rtmp_msg="no (--with-librtmp)"
curl_mtlnk_msg="no (--with-libmetalink)"
curl_psl_msg="no (--with-libpsl)"
init_ssl_msg=${curl_ssl_msg}
@@ -2314,6 +2315,27 @@ dnl **********************************************************************
CURL_CHECK_CA_BUNDLE
dnl **********************************************************************
dnl Check for libpsl
dnl **********************************************************************
AC_ARG_WITH(libpsl,
AS_HELP_STRING([--without-libpsl],
[disable support for libpsl cookie checking]),
with_libpsl=$withval,
with_libpsl=yes)
if test $with_libpsl != "no"; then
AC_SEARCH_LIBS(psl_builtin, psl,
[curl_psl_msg="yes";
AC_DEFINE([USE_LIBPSL], [1], [PSL support enabled])
],
[curl_psl_msg="no (libpsl not found)";
AC_MSG_WARN([libpsl was not found])
]
)
fi
AM_CONDITIONAL([USE_LIBPSL], [test "$curl_psl_msg" = "yes"])
dnl **********************************************************************
dnl Check for libmetalink
dnl **********************************************************************
@@ -3742,6 +3764,7 @@ AC_MSG_NOTICE([Configured to build curl/libcurl:
RTSP support: ${curl_rtsp_msg}
RTMP support: ${curl_rtmp_msg}
metalink support: ${curl_mtlnk_msg}
PSL support: ${curl_psl_msg}
HTTP2 support: ${curl_h2_msg}
Protocols: ${SUPPORT_PROTOCOLS}
])

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@@ -84,6 +84,10 @@ Example set of cookies:
#if !defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_COOKIES)
#ifdef USE_LIBPSL
# include <libpsl.h>
#endif
#include "curl_printf.h"
#include "urldata.h"
#include "cookie.h"
@@ -379,6 +383,10 @@ Curl_cookie_add(struct SessionHandle *data,
bool replace_old = FALSE;
bool badcookie = FALSE; /* cookies are good by default. mmmmm yummy */
#ifdef USE_LIBPSL
const psl_ctx_t *psl;
#endif
#ifdef CURL_DISABLE_VERBOSE_STRINGS
(void)data;
#endif
@@ -777,6 +785,19 @@ Curl_cookie_add(struct SessionHandle *data,
/* at first, remove expired cookies */
remove_expired(c);
#ifdef USE_LIBPSL
/* Check if the domain is a Public Suffix and if yes, ignore the cookie.
This needs a libpsl compiled with builtin data. */
if(co->domain && !isip(co->domain) && (psl = psl_builtin()) != NULL) {
if(psl_is_public_suffix(psl, co->domain)) {
infof(data, "cookie '%s' dropped, domain '%s' is a public suffix\n",
co->name, co->domain);
freecookie(co);
return NULL;
}
}
#endif
clist = c->cookies;
replace_old = FALSE;
while(clist) {

View File

@@ -40,6 +40,10 @@
#include <stringprep.h>
#endif
#ifdef USE_LIBPSL
#include <libpsl.h>
#endif
#if defined(HAVE_ICONV) && defined(CURL_DOES_CONVERSIONS)
#include <iconv.h>
#endif
@@ -100,6 +104,11 @@ char *curl_version(void)
ptr += len;
}
#endif
#ifdef USE_LIBPSL
len = snprintf(ptr, left, " libpsl/%s", psl_get_version());
left -= len;
ptr += len;
#endif
#ifdef USE_WIN32_IDN
len = snprintf(ptr, left, " WinIDN");
left -= len;

View File

@@ -316,6 +316,9 @@ void tool_version_info(void)
}
#ifdef USE_METALINK
printf("Metalink ");
#endif
#ifdef USE_LIBPSL
printf("PSL ");
#endif
puts(""); /* newline */
}

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@@ -118,6 +118,7 @@ test1104 test1105 test1106 test1107 test1108 test1109 test1110 test1111 \
test1112 test1113 test1114 test1115 test1116 test1117 test1118 test1119 \
test1120 test1121 test1122 test1123 test1124 test1125 test1126 test1127 \
test1128 test1129 test1130 test1131 test1132 test1133 test1134 test1135 \
test1136 \
\
test1200 test1201 test1202 test1203 test1204 test1205 test1206 test1207 \
test1208 test1209 test1210 test1211 test1212 test1213 test1214 test1215 \

60
tests/data/test1136 Normal file
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@@ -0,0 +1,60 @@
<testcase>
<info>
<keywords>
HTTP
HTTP GET
HTTP proxy
cookies
cookiejar
PSL
</keywords>
</info>
# Server-side
<reply>
<data>
HTTP/1.1 200 OK
Date: Thu, 09 Nov 2010 14:49:00 GMT
Server: test-server/fake
Content-Length: 4
Content-Type: text/html
Funny-head: yesyes
Set-Cookie: test1=forbidden1; domain=example.ck; path=/;
Set-Cookie: test2=allowed2; domain=www.example.ck; path=/;
Set-Cookie: test3=forbidden3; domain=ck; path=/;
Set-Cookie: test4=allowed4; domain=www.ck; path=/;
Set-Cookie: test5=forbidden5; domain=z-1.compute-1.amazonaws.com; path=/;
boo
</data>
</reply>
# Client-side
<client>
<server>
http
</server>
<name>
Check cookies against PSL
</name>
<setenv>
TZ=GMT
</setenv>
<command>
http://www.example.ck/1136 http://www.ck/1136 http://z-1.compute-1.amazonaws.com/1136 -b none -c log/jar1136.txt -x %HOSTIP:%HTTPPORT
</command>
</client>
# Verify data after the test has been "shot"
<verify>
<file name="log/jar1136.txt" mode="text">
# Netscape HTTP Cookie File
# http://curl.haxx.se/docs/http-cookies.html
# This file was generated by libcurl! Edit at your own risk.
.www.example.ck TRUE / FALSE 0 test2 allowed2
.www.ck TRUE / FALSE 0 test4 allowed4
</file>
</verify>
</testcase>

View File

@@ -224,6 +224,7 @@ my $has_http2; # set if libcurl is built with HTTP2 support
my $has_crypto; # set if libcurl is built with cryptographic support
my $has_cares; # set if built with c-ares
my $has_threadedres;# set if built with threaded resolver
my $has_psl; # set if libcurl is built with PSL support
# this version is decided by the particular nghttp2 library that is being used
my $h2cver = "h2c";
@@ -2474,6 +2475,10 @@ sub checksystem {
# Metalink enabled
$has_metalink=1;
}
if($feat =~ /PSL/i) {
# PSL enabled
$has_psl=1;
}
if($feat =~ /AsynchDNS/i) {
if(!$has_cares) {
# this means threaded resolver
@@ -2599,8 +2604,9 @@ sub checksystem {
logmsg sprintf("* HTTP Unix %s\n", $http_unix?"ON ":"OFF");
logmsg sprintf("* FTP IPv6 %8s", $ftp_ipv6?"ON ":"OFF");
logmsg sprintf(" Libtool lib: %s\n", $libtool?"ON ":"OFF");
logmsg sprintf("* Shared build: %-3s", $has_shared);
logmsg sprintf("* PSL: %8s", $has_psl?"ON ":"OFF");
logmsg sprintf(" Resolver: %s\n", $resolver);
if($ssl_version) {
logmsg sprintf("* SSL library: %13s\n", $ssllib);
}
@@ -2981,6 +2987,11 @@ sub singletest {
next;
}
}
elsif($1 eq "PSL") {
if($has_psl) {
next;
}
}
elsif($1 eq "socks") {
next;
}
@@ -3117,6 +3128,11 @@ sub singletest {
next;
}
}
elsif($1 eq "PSL") {
if(!$has_psl) {
next;
}
}
else {
next;
}