Release v0.16.0

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Merge tag 'libpsl-0.16.0' into debian

Release v0.16.0
This commit is contained in:
Tim Rühsen 2016-12-10 18:41:35 +01:00
commit 159fb8c2f5
17 changed files with 212 additions and 434 deletions

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@ -33,7 +33,6 @@ check-coverage:
lcov --capture --initial --directory src --output-file libpsl.info
$(MAKE) check
lcov --capture --directory src --output-file libpsl.info
lcov --remove libpsl.info 'src/psl2c.c' -o libpsl.info
genhtml --prefix . libpsl.info --legend --title "libpsl" --output-directory=lcov
check-coverage-libidn:

8
NEWS
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@ -1,5 +1,13 @@
Copyright (C) 2014-2016 Tim Rühsen
16.12.2016 Release V0.16.0
* Add functions psl_latest() and psl_dist_filename()
* Do not taint out variable on error in psl_str_to_utf8lower()
* Replace psl2c by psl-make-dafsa
* Add missing includes for OpenBSD
* Fix typos
* Update copyright year
14.11.2016 Release V0.15.0
* Python3 compatibility for psl-make-dafsa
* Support for UTF-8 in DAFSA data

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@ -30,9 +30,9 @@ Libpsl...
- finds the shortest private part of a given domain
- works with international domains (UTF-8 and IDNA2008 Punycode)
- is thread-safe
- handles IDNA2008 UTS#46 (libicu is used by psl2c if installed)
- handles IDNA2008 UTS#46 (if libicu is available)
Find more information about the Publix Suffix List [here](https://publicsuffix.org/).
Find more information about the Public Suffix List [here](https://publicsuffix.org/).
Download the Public Suffix List [here](https://hg.mozilla.org/mozilla-central/raw-file/tip/netwerk/dns/effective_tld_names.dat).
@ -86,7 +86,7 @@ representation of strings. Here we use it to reduce the whole PSL to about 32k i
Generate `psl.dafsa` from `list/public_suffix_list.dat`
$ src/psl-make-dafsa --output-format=binary --input-format=psl list/public_suffix_list.dat psl.dafsa
$ src/psl-make-dafsa --output-format=binary list/public_suffix_list.dat psl.dafsa
Test the result (example)

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@ -1,5 +1,5 @@
AC_INIT([libpsl], [0.15.0], [tim.ruehsen@gmx.de], [libpsl], [https://github.com/rockdaboot/libpsl])
AC_INIT([libpsl], [0.16.0], [tim.ruehsen@gmx.de], [libpsl], [https://github.com/rockdaboot/libpsl])
AC_PREREQ([2.59])
AM_INIT_AUTOMAKE([1.10 no-define foreign])
@ -88,7 +88,7 @@ PKG_PROG_PKG_CONFIG
# 4. If any interfaces have been added, removed, or changed since the last update, increment current, and set revision to 0.
# 5. If any interfaces have been added since the last public release, then increment age.
# 6. If any existing interfaces have been removed or changed since the last public release, then set age to 0.
AC_SUBST([LIBPSL_SO_VERSION], [5:2:0])
AC_SUBST([LIBPSL_SO_VERSION], [6:0:0])
AC_SUBST([LIBPSL_VERSION], $VERSION)
# Check for enable/disable builtin PSL data
@ -243,6 +243,11 @@ else
TESTS_INFO="Valgrind testing not enabled"
fi
# Check for distribution-wide PSL file
AC_ARG_WITH(psl-distfile,
AC_HELP_STRING([--with-psl-distfile=[PATH]], [path to distribution-wide PSL file]),
PSL_DISTFILE=$withval AC_SUBST(PSL_DISTFILE))
# Check for custom PSL file
AC_ARG_WITH(psl-file,
AC_HELP_STRING([--with-psl-file=[PATH]], [path to PSL file]),
@ -283,6 +288,7 @@ AC_MSG_NOTICE([Summary of build options:
Libs: ${LIBS}
Runtime: ${enable_runtime}
Builtin: ${enable_builtin}
PSL Dist File: ${PSL_DISTFILE}
PSL File: ${PSL_FILE}
PSL Test File: ${PSL_TESTFILE}
Tests: ${TESTS_INFO}

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@ -13,6 +13,7 @@ psl_error_t
psl_ctx_t
psl_load_file
psl_load_fp
psl_latest
psl_builtin
psl_free
psl_is_public_suffix
@ -27,6 +28,7 @@ psl_builtin_sha1sum
psl_builtin_filename
psl_builtin_outdated
psl_is_cookie_domain_acceptable
psl_dist_filename
psl_get_version
psl_check_version_number
psl_str_to_utf8lower

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@ -91,6 +91,10 @@ psl_ctx_t *
const psl_ctx_t *
psl_builtin(void);
/* retrieves most recent PSL data */
psl_ctx_t *
psl_latest(const char *fname);
/* checks whether domain is a public suffix or not */
int
psl_is_public_suffix(const psl_ctx_t *psl, const char *domain);
@ -139,6 +143,10 @@ const char *
const char *
psl_builtin_filename(void);
/* returns name of distribution PSL data file */
const char *
psl_dist_filename(void);
/* returns library version string */
const char *
psl_get_version(void);

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@ -4,7 +4,7 @@ libdir=@libdir@
includedir=@includedir@
Name: @PACKAGE_NAME@
Description: Publix Suffix List C library.
Description: Public Suffix List C library.
Version: @PACKAGE_VERSION@
URL: @PACKAGE_URL@
Libs: -L${libdir} -lpsl

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@ -7,7 +7,7 @@ CLEANFILES = suffixes_dafsa.c
lib_LTLIBRARIES = libpsl.la
libpsl_la_SOURCES = psl.c lookup_string_in_fixed_set.c
libpsl_la_CPPFLAGS = -I$(top_srcdir)/include
libpsl_la_CPPFLAGS = -I$(top_srcdir)/include -DPSL_DISTFILE=\"$(PSL_DISTFILE)\"
# include ABI version information
libpsl_la_LDFLAGS = -version-info $(LIBPSL_SO_VERSION)
if WITH_LIBICU
@ -20,23 +20,10 @@ if WITH_LIBIDN
libpsl_la_LDFLAGS += -lidn -lunistring
endif
noinst_PROGRAMS = psl2c
psl2c_SOURCES = psl2c.c lookup_string_in_fixed_set.c
psl2c_CPPFLAGS = -I$(top_srcdir)/include -DMAKE_DAFSA=\"$(top_srcdir)/src/psl-make-dafsa\"
if BUILTIN_GENERATOR_LIBICU
psl2c_LDADD = $(LIBICU_LIBS)
endif
if BUILTIN_GENERATOR_LIBIDN2
psl2c_LDADD = @LTLIBICONV@ -lidn2 -lunistring
endif
if BUILTIN_GENERATOR_LIBIDN
psl2c_LDADD = @LTLIBICONV@ -lidn -lunistring
endif
# Build rule for suffix_dafsa.c
# PSL_FILE can be set by ./configure --with-psl-file=[PATH]
suffixes_dafsa.c: $(PSL_FILE) psl2c$(EXEEXT)
./psl2c$(EXEEXT) "$(PSL_FILE)" suffixes_dafsa.c
suffixes_dafsa.c: $(PSL_FILE) $(srcdir)/psl-make-dafsa
$(srcdir)/psl-make-dafsa --output-format=cxx+ "$(PSL_FILE)" suffixes_dafsa.c
EXTRA_DIST = psl-make-dafsa LICENSE.chromium

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@ -1,4 +1,4 @@
/* Copyright 2015 The Chromium Authors. All rights reserved.
/* Copyright 2015-2016 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.chromium file.
*

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@ -221,6 +221,9 @@ The bytes in the generated array has the following meaning:
"""
import sys
import os.path
import time
import hashlib
class InputError(Exception):
"""Exception raised for errors in the input file."""
@ -498,6 +501,26 @@ def to_cxx(data, codecs):
text += b'};\n'
return text
def sha1_file(name):
sha1 = hashlib.sha1()
with open(name, 'rb') as f:
while True:
data = f.read(65536)
if not data:
break
sha1.update(data)
return sha1.hexdigest()
def to_cxx_plus(data, codecs):
"""Generates C++ code from a word list plus some variable assignments as needed by libpsl"""
text = to_cxx(data, codecs)
text += b'static time_t _psl_file_time = %d;\n' % os.stat(psl_input_file).st_mtime
text += b'static int _psl_nsuffixes = %d;\n' % psl_nsuffixes
text += b'static int _psl_nexceptions = %d;\n' % psl_nexceptions
text += b'static int _psl_nwildcards = %d;\n' % psl_nwildcards
text += b'static const char _psl_sha1_checksum[] = "%s";\n' % bytes(sha1_file(psl_input_file), **codecs)
text += b'static const char _psl_filename[] = "%s";\n' % bytes(psl_input_file, **codecs)
return text
def words_to_whatever(words, converter, utf_mode, codecs):
"""Generates C++ code from a word list"""
@ -511,31 +534,15 @@ def words_to_cxx(words, utf_mode, codecs):
"""Generates C++ code from a word list"""
return words_to_whatever(words, to_cxx, utf_mode, codecs)
def words_to_cxx_plus(words, utf_mode, codecs):
"""Generates C++ code from a word list plus some variable assignments as needed by libpsl"""
return words_to_whatever(words, to_cxx_plus, utf_mode, codecs)
def words_to_binary(words, utf_mode, codecs):
"""Generates C++ code from a word list"""
return b'.DAFSA@PSL_0 \n' + words_to_whatever(words, lambda x, _: bytearray(x), utf_mode, codecs)
def parse_psl2c(infile, utf_mode, codecs):
"""Parses file generated by psl2c and extract strings and return code"""
lines = [bytes(line.strip(), **codecs) for line in infile]
for line in lines:
if line[-3:-1] != b', ':
raise InputError('Expected "domainname, <digit>", found "%s"' % line)
# Technically the DAFSA format could support return values in range [0x00-0x1E],
# but the values below are the only with a defined meaning.
if line[-1] not in b'0123456789ABCDEF':
raise InputError('Expected value to be in range [0-9] or [A-F], found "%s"' % line[-1:])
# with open("gperf.out", 'w') as outfile:
# for line in sorted(lines):
# outfile.write(line[:-3] + line[-1] + "\n")
return [line[:-3] + line[-1:] for line in sorted(lines)]
def parse_psl(infile, utf_mode, codecs):
"""Parses PSL file and extract strings and return code"""
PSL_FLAG_EXCEPTION = (1<<0)
@ -544,6 +551,8 @@ def parse_psl(infile, utf_mode, codecs):
PSL_FLAG_PRIVATE = (1<<3) # entry of PRIVATE section
PSL_FLAG_PLAIN = (1<<4) #just used for PSL syntax checking
global psl_nsuffixes, psl_nexceptions, psl_nwildcards
psl = {}
section = 0
@ -565,17 +574,21 @@ def parse_psl(infile, utf_mode, codecs):
continue # skip comments
if line[:1] == b'!':
psl_nexceptions += 1
flags = PSL_FLAG_EXCEPTION | section
line = line[1:]
elif line[:1] == b'*':
if line[1:2] != b'.':
print('Unsupported kind of rule (ignored): %s' % line)
continue
psl_nwildcards += 1
psl_nsuffixes += 1
flags = PSL_FLAG_WILDCARD | PSL_FLAG_PLAIN | section
line = line[2:]
else:
if not b'.' in line:
continue # we do not need an explicit plain TLD rule, already covered by implicit '*' rule
psl_nsuffixes += 1
flags = PSL_FLAG_PLAIN | section
punycode = line.decode('utf-8').encode('idna')
@ -607,9 +620,8 @@ def parse_psl(infile, utf_mode, codecs):
def usage():
"""Prints the usage"""
print('usage: %s [options] infile outfile' % sys.argv[0])
print(' --input-format=psl2c infile has been generated by libpsl/psl2c utility (default)')
print(' --input-format=psl infile is a Public Suffix List file')
print(' --output-format=cxx Write DAFSA as C/C++ code (default)')
print(' --output-format=cxx+ Write DAFSA as C/C++ code plus statistical assignments')
print(' --output-format=binary Write DAFSA binary data')
print(' --encoding=ascii 7-bit ASCII mode')
print(' --encoding=utf-8 UTF-8 mode (default)')
@ -622,7 +634,7 @@ def main():
usage()
converter = words_to_cxx
parser = parse_psl2c
parser = parse_psl
utf_mode = True
codecs = dict()
@ -630,12 +642,11 @@ def main():
codecs['encoding'] = 'utf-8'
for arg in sys.argv[1:-2]:
# Check --input-format for backward compatibility
if arg.startswith('--input-format='):
value = arg[15:].lower()
if value == 'psl':
parser = parse_psl
elif value == 'psl2c':
parser = parse_psl2c
else:
print("Unknown input format '%s'" % value)
return 1
@ -645,6 +656,8 @@ def main():
converter = words_to_binary
elif value == 'cxx':
converter = words_to_cxx
elif value == 'cxx+':
converter = words_to_cxx_plus
else:
print("Unknown output format '%s'" % value)
return 1
@ -664,6 +677,14 @@ def main():
with open(sys.argv[-1], 'wb') as outfile:
outfile.write(converter(parser(sys.stdin, utf_mode, codecs), utf_mode, codecs))
else:
"""Some statistical data for --output-format=cxx+"""
global psl_input_file, psl_nsuffixes, psl_nexceptions, psl_nwildcards
psl_input_file = sys.argv[-2]
psl_nsuffixes = 0
psl_nexceptions = 0
psl_nwildcards = 0
with open(sys.argv[-2], 'r') as infile, open(sys.argv[-1], 'wb') as outfile:
outfile.write(converter(parser(infile, utf_mode, codecs), utf_mode, codecs))

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@ -19,14 +19,11 @@ The format of the data read and written by \fBpsl-make-dafsa\fR
depends on options passed to it.
.br
.TP
\fB\-\-input\-format=\fR[\fIpsl2c\fR|\fIpsl\fR]
\fBpsl2c\fR: (default) input is C code generated by libpsl/psl2c
.br
\fBpsl\fR: input is standard textual Public Suffix List file
.TP
\fB\-\-output\-format=\fR[\fIcxx\fR|\fIbinary\fR]
\fB\-\-output\-format=\fR[\fIcxx\fR|\fIcxx+\fR|\fIbinary\fR]
\fBcxx\fR: (default) output is C/C++ code
.br
\fBcxx+\fR: output is C/C++ code plus statistical assignments (used by libpsl build process)
.br
\fBbinary\fR: output is an architecture-independent binary format
.TP
\fB\-\-encoding=\fR[\fIutf-8\fR|\fIascii\fR]

162
src/psl.c
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@ -44,20 +44,6 @@
# define _UNUSED
#endif
/* if this file is included by psl2c, redefine to use requested library for builtin data */
#ifdef _LIBPSL_INCLUDED_BY_PSL2C
# undef WITH_LIBICU
# undef WITH_LIBIDN2
# undef WITH_LIBIDN
# ifdef BUILTIN_GENERATOR_LIBICU
# define WITH_LIBICU
# elif defined(BUILTIN_GENERATOR_LIBIDN2)
# define WITH_LIBIDN2
# elif defined(BUILTIN_GENERATOR_LIBIDN)
# define WITH_LIBIDN
# endif
#endif
#if ENABLE_NLS != 0
# include <libintl.h>
# define _(STRING) gettext(STRING)
@ -68,6 +54,8 @@
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
@ -181,24 +169,19 @@ struct _psl_ctx_st {
utf8 : 1; /* 1: data contains UTF-8 + punycode encoded rules */
};
/* include the PSL data compiled by 'psl2c' */
#ifndef _LIBPSL_INCLUDED_BY_PSL2C
# include "suffixes_dafsa.c"
#else
/* if this source file is included by psl2c.c, provide empty builtin data */
static const unsigned char kDafsa[1];
static time_t _psl_file_time;
static int _psl_nsuffixes;
static int _psl_nexceptions;
static int _psl_nwildcards;
static const char _psl_sha1_checksum[] = "";
static const char _psl_filename[] = "";
#endif
/* include the PSL data generated by psl-make-dafsa */
#include "suffixes_dafsa.c"
/* references to these PSLs will result in lookups to built-in data */
static const psl_ctx_t
_builtin_psl;
#ifdef PSL_DISTFILE
static const char _psl_dist_filename[] = PSL_DISTFILE;
#else
static const char _psl_dist_filename[] = "";
#endif
static _psl_vector_t *_vector_alloc(int max, int (*cmp)(const _psl_entry_t **, const _psl_entry_t **))
{
_psl_vector_t *v;
@ -942,7 +925,7 @@ suffix_yes:
*
* For cookie domain checking see psl_is_cookie_domain_acceptable().
*
* International @domain names have to be either in UTF-8 (lowercase + NFCK) or in ASCII/ACE format (punycode).
* International @domain names have to be either in UTF-8 (lowercase + NFKC) or in ASCII/ACE format (punycode).
* Other encodings likely result in incorrect return values.
* Use helper function psl_str_to_utf8lower() for normalization @domain.
*
@ -973,7 +956,7 @@ int psl_is_public_suffix(const psl_ctx_t *psl, const char *domain)
* @type specifies the PSL section where to perform the lookup. Valid values are
* %PSL_TYPE_PRIVATE, %PSL_TYPE_ICANN and %PSL_TYPE_ANY.
*
* International @domain names have to be either in UTF-8 (lowercase + NFCK) or in ASCII/ACE format (punycode).
* International @domain names have to be either in UTF-8 (lowercase + NFKC) or in ASCII/ACE format (punycode).
* Other encodings likely result in incorrect return values.
* Use helper function psl_str_to_utf8lower() for normalization @domain.
*
@ -1000,7 +983,7 @@ int psl_is_public_suffix2(const psl_ctx_t *psl, const char *domain, int type)
* This function finds the longest public suffix part of @domain by the means
* of the [Mozilla Public Suffix List](https://publicsuffix.org).
*
* International @domain names have to be either in UTF-8 (lowercase + NFCK) or in ASCII/ACE format (punycode).
* International @domain names have to be either in UTF-8 (lowercase + NFKC) or in ASCII/ACE format (punycode).
* Other encodings likely result in incorrect return values.
* Use helper function psl_str_to_utf8lower() for normalization @domain.
*
@ -1040,7 +1023,7 @@ const char *psl_unregistrable_domain(const psl_ctx_t *psl, const char *domain)
* This function finds the shortest private suffix part of @domain by the means
* of the [Mozilla Public Suffix List](https://publicsuffix.org).
*
* International @domain names have to be either in UTF-8 (lowercase + NFCK) or in ASCII/ACE format (punycode).
* International @domain names have to be either in UTF-8 (lowercase + NFKC) or in ASCII/ACE format (punycode).
* Other encodings likely result in incorrect return values.
* Use helper function psl_str_to_utf8lower() for normalization @domain.
*
@ -1082,7 +1065,7 @@ const char *psl_registrable_domain(const psl_ctx_t *psl, const char *domain)
* This function loads the public suffixes file named @fname.
* To free the allocated resources, call psl_free().
*
* The suffixes are expected to be UTF-8 encoded (lowercase + NFCK) if they are international.
* The suffixes are expected to be UTF-8 encoded (lowercase + NFKC) if they are international.
*
* Returns: Pointer to a PSL context or %NULL on failure.
*
@ -1111,7 +1094,7 @@ psl_ctx_t *psl_load_file(const char *fname)
* This function loads the public suffixes from a FILE pointer.
* To free the allocated resources, call psl_free().
*
* The suffixes are expected to be UTF-8 encoded (lowercase + NFCK) if they are international.
* The suffixes are expected to be UTF-8 encoded (lowercase + NFKC) if they are international.
*
* Returns: Pointer to a PSL context or %NULL on failure.
*
@ -1290,7 +1273,7 @@ void psl_free(psl_ctx_t *psl)
* The builtin data also contains punycode entries, one for each international domain name.
*
* If the generation of built-in data has been disabled during compilation, %NULL will be returned.
* When using the builtin psl context, you can provide UTF-8 (lowercase + NFCK) or ASCII/ACE (punycode)
* When using the builtin psl context, you can provide UTF-8 (lowercase + NFKC) or ASCII/ACE (punycode)
* representations of domains to functions like psl_is_public_suffix().
*
* Returns: Pointer to the built in PSL data or NULL if this data is not available.
@ -1370,7 +1353,7 @@ int psl_suffix_wildcard_count(const psl_ctx_t *psl)
/**
* psl_builtin_file_time:
*
* This function returns the mtime of the Publix Suffix List file that has been built in.
* This function returns the mtime of the Public Suffix List file that has been built in.
*
* If the generation of built-in data has been disabled during compilation, 0 will be returned.
*
@ -1386,7 +1369,7 @@ time_t psl_builtin_file_time(void)
/**
* psl_builtin_sha1sum:
*
* This function returns the SHA1 checksum of the Publix Suffix List file that has been built in.
* This function returns the SHA1 checksum of the Public Suffix List file that has been built in.
* The returned string is in lowercase hex encoding, e.g. "2af1e9e3044eda0678bb05949d7cca2f769901d8".
*
* If the generation of built-in data has been disabled during compilation, an empty string will be returned.
@ -1403,7 +1386,7 @@ const char *psl_builtin_sha1sum(void)
/**
* psl_builtin_filename:
*
* This function returns the file name of the Publix Suffix List file that has been built in.
* This function returns the file name of the Public Suffix List file that has been built in.
*
* If the generation of built-in data has been disabled during compilation, an empty string will be returned.
*
@ -1439,6 +1422,23 @@ int psl_builtin_outdated(void)
return 0;
}
/**
* psl_dist_filename:
*
* This function returns the file name of the distribution/system PSL data file.
* This file will be considered by psl_latest().
*
* Return the filename that is set by ./configure --with-psl-distfile, or an empty string.
*
* Returns: String containing a PSL file name or an empty string.
*
* Since: 0.16
*/
const char *psl_dist_filename(void)
{
return _psl_dist_filename;
}
/**
* psl_get_version:
*
@ -1510,7 +1510,7 @@ static int _isip(const char *hostname)
* This helper function checks whether @cookie_domain is an acceptable cookie domain value for the request
* @hostname.
*
* For international domain names both, @hostname and @cookie_domain, have to be either in UTF-8 (lowercase + NFCK)
* For international domain names both, @hostname and @cookie_domain, have to be either in UTF-8 (lowercase + NFKC)
* or in ASCII/ACE (punycode) format. Other encodings or mixing UTF-8 and punycode likely result in incorrect return values.
*
* Use helper function psl_str_to_utf8lower() for normalization of @hostname and @cookie_domain.
@ -1570,8 +1570,8 @@ int psl_is_cookie_domain_acceptable(const psl_ctx_t *psl, const char *hostname,
* @locale: locale of @str for to lowercase conversion, e.g. 'de' or %NULL
* @lower: return value containing the converted string
*
* This helper function converts a string to UTF-8 lowercase + NFCK representation.
* Lowercase + NFCK UTF-8 is needed as input to the domain checking functions.
* This helper function converts a string to UTF-8 lowercase + NFKC representation.
* Lowercase + NFKC UTF-8 is needed as input to the domain checking functions.
*
* @lower is set to %NULL on error.
*
@ -1592,20 +1592,19 @@ psl_error_t psl_str_to_utf8lower(const char *str, const char *encoding _UNUSED,
{
int ret = PSL_ERR_INVALID_ARG;
if (lower)
*lower = NULL;
if (!str)
return PSL_ERR_INVALID_ARG;
/* shortcut to avoid costly conversion */
if (_str_is_ascii(str)) {
if (lower) {
char *p;
char *p, *tmp;
if (!(*lower = strdup(str)))
if (!(tmp = strdup(str)))
return PSL_ERR_NO_MEM;
*lower = tmp;
/* convert ASCII string to lowercase */
for (p = *lower; *p; p++)
if (isupper(*p))
@ -1652,7 +1651,11 @@ psl_error_t psl_str_to_utf8lower(const char *str, const char *encoding _UNUSED,
ret = PSL_SUCCESS;
if (lower) {
if (str_length < 256) {
if (!(*lower = strdup(utf8_lower)))
char *tmp = strdup(utf8_lower);
if (tmp)
*lower = tmp;
else
ret = PSL_ERR_NO_MEM;
} else {
*lower = utf8_lower;
@ -1761,3 +1764,70 @@ out:
return ret;
}
/* if file is newer than the builtin data, insert it reverse sorted by mtime */
static int _insert_file(const char *fname, const char **psl_fname, time_t *psl_mtime, int n)
{
struct stat st;
int it;
if (fname && *fname && stat(fname, &st) == 0 && st.st_mtime > _psl_file_time) {
/* add file name and mtime to end of array */
psl_fname[n] = fname;
psl_mtime[n++] = st.st_mtime;
/* move the new entry to it's correct position */
for (it = n - 2; it >= 0 && st.st_mtime > psl_mtime[it]; it--) {
psl_fname[it + 1] = psl_fname[it];
psl_mtime[it + 1] = psl_mtime[it];
psl_fname[it] = fname;
psl_mtime[it] = st.st_mtime;
}
}
return n;
}
/**
* psl_latest:
* @fname: Name of PSL file or %NULL
*
* This function loads the the latest available PSL data from either
* - @fname (application specific filename, may be %NULL)
* - location specified during built-time (filename from ./configure --with-psl-distfile)
* - built-in PSL data (generated from ./configure --with-psl-file)
* - location of built-in data (filename from ./configure --with-psl-file)
*
* If none of the above is available, the function returns %NULL.
*
* To free the allocated resources, call psl_free().
*
* Returns: Pointer to a PSL context or %NULL on failure.
*
* Since: 0.16
*/
psl_ctx_t *psl_latest(const char *fname)
{
psl_ctx_t *psl;
const char *psl_fname[3];
time_t psl_mtime[3];
int it, ntimes;
psl_fname[0] = NULL; /* silence gcc 6.2 false warning */
/* create array of PSL files reverse sorted by mtime (latest first) */
ntimes = _insert_file(fname, psl_fname, psl_mtime, 0);
ntimes = _insert_file(_psl_filename, psl_fname, psl_mtime, ntimes);
ntimes = _insert_file(_psl_dist_filename, psl_fname, psl_mtime, ntimes);
/* load PSL data from the latest file, falling back to the second recent, ... */
for (psl = NULL, it = 0; it < ntimes; it++) {
if (psl_mtime[it] > _psl_file_time)
if ((psl = psl_load_file(psl_fname[it])))
break;
}
/* if file loading failed or there is no file newer than the builtin data,
* then return the builtin data. */
return psl ? psl : (psl_ctx_t *) psl_builtin();
}

View File

@ -1,320 +0,0 @@
/*
* Copyright(c) 2014-2016 Tim Ruehsen
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* This file is part of libpsl.
*
* Precompile Public Suffix List into a C source file
*
* Changelog
* 22.03.2014 Tim Ruehsen created
*
*/
#if HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <sys/stat.h>
#ifdef HAVE_ALLOCA_H
# include <alloca.h>
#endif
#if defined(BUILTIN_GENERATOR_LIBICU) || defined(BUILTIN_GENERATOR_LIBIDN2) || defined(BUILTIN_GENERATOR_LIBIDN)
# define _GENERATE_BUILTIN_DATA
#endif
#include <libpsl.h>
/* here we include the library source code to have access to internal functions and data structures */
#define _LIBPSL_INCLUDED_BY_PSL2C
# include "psl.c"
#undef _LIBPSL_INCLUDED_BY_PSL2C
#ifdef _GENERATE_BUILTIN_DATA
#if 0
static int _check_psl(const psl_ctx_t *psl)
{
int it, pos, err = 0;
/* check if plain suffix also appears in exceptions */
for (it = 0; it < psl->suffixes->cur; it++) {
_psl_entry_t *e = _vector_get(psl->suffixes, it);
if (!e->wildcard && _vector_find(psl->suffix_exceptions, e) >= 0) {
fprintf(stderr, "Found entry '%s' also in exceptions\n", e->label);
err = 1;
}
}
/* check if exception also appears in suffix list as plain entry */
for (it = 0; it < psl->suffix_exceptions->cur; it++) {
_psl_entry_t *e2, *e = _vector_get(psl->suffix_exceptions, it);
if ((e2 = _vector_get(psl->suffixes, pos = _vector_find(psl->suffixes, e)))) {
if (!e2->wildcard) {
fprintf(stderr, "Found exception '!%s' also as suffix\n", e->label);
err = 1;
}
/* Two same domains in a row are allowed: wildcard and non-wildcard.
* Binary search find either of them, so also check previous and next entry. */
else if (pos > 0 && _suffix_compare(e, e2 = _vector_get(psl->suffixes, pos - 1)) == 0 && !e2->wildcard) {
fprintf(stderr, "Found exception '!%s' also as suffix\n", e->label);
err = 1;
}
else if (pos < psl->suffixes->cur - 1 && _suffix_compare(e, e2 = _vector_get(psl->suffixes, pos + 1)) == 0 && !e2->wildcard) {
fprintf(stderr, "Found exception '!%s' also as suffix\n", e->label);
err = 1;
}
}
}
/* check if non-wildcard entry is already covered by wildcard entry */
for (it = 0; it < psl->suffixes->cur; it++) {
const char *p;
_psl_entry_t *e = _vector_get(psl->suffixes, it);
if (e->nlabels > 1 && !e->wildcard && (p = strchr(e->label, '.'))) {
_psl_entry_t *e2, *e3, suffix;
suffix.label = p + 1;
suffix.length = strlen(p + 1);
suffix.nlabels = e->nlabels - 1;
e2 = _vector_get(psl->suffixes, pos = _vector_find(psl->suffixes, &suffix));
if (e2) {
if (e2->wildcard) {
fprintf(stderr, "Found superfluous '%s' already covered by '*.%s'\n", e->label, e2->label);
err = 1;
}
/* Two same domains in a row are allowed: wildcard and non-wildcard.
* Binary search find either of them, so also check previous and next entry. */
else if (pos > 0 && _suffix_compare(e2, e3 = _vector_get(psl->suffixes, pos - 1)) == 0 && e3->wildcard) {
fprintf(stderr, "Found superfluous '%s' already covered by '*.%s'\n", e->label, e2->label);
err = 1;
}
else if (pos < psl->suffixes->cur - 1 && _suffix_compare(e2, e3 = _vector_get(psl->suffixes, pos + 1)) == 0 && e3->wildcard) {
fprintf(stderr, "Found superfluous '%s' already covered by '*.%s'\n", e->label, e2->label);
err = 1;
}
}
}
}
return err;
}
#endif
static void _print_psl_entries_dafsa(FILE *fpout, const _psl_vector_t *v)
{
FILE *fp;
int it;
#ifdef BUILTIN_GENERATOR_LIBICU
do {
UVersionInfo version_info;
char version[U_MAX_VERSION_STRING_LENGTH];
u_getVersion(version_info);
u_versionToString(version_info, version);
fprintf(fpout, "/* automatically generated by psl2c (punycode generated with libicu/%s) */\n", version);
} while (0);
#elif defined(BUILTIN_GENERATOR_LIBIDN2)
fprintf(fpout, "/* automatically generated by psl2c (punycode generated with libidn2/%s) */\n", idn2_check_version(NULL));
#elif defined(BUILTIN_GENERATOR_LIBIDN)
fprintf(fpout, "/* automatically generated by psl2c (punycode generated with libidn/%s) */\n", stringprep_check_version(NULL));
#else
fprintf(fpout, "/* automatically generated by psl2c (punycode generated internally) */\n");
#endif
if ((fp = fopen("in.tmp", "w"))) {
for (it = 0; it < v->cur; it++) {
_psl_entry_t *e = _vector_get(v, it);
fprintf(fp, "%s, %X\n", e->label_buf, (int) (e->flags & 0x0F));
}
fclose(fp);
}
if ((it = system(MAKE_DAFSA " in.tmp out.tmp")))
fprintf(stderr, "Failed to execute " MAKE_DAFSA "\n");
if ((fp = fopen("out.tmp", "r"))) {
char buf[256];
while (fgets(buf, sizeof(buf), fp))
fputs(buf, fpout);
fclose(fp);
}
unlink("in.tmp");
unlink("out.tmp");
}
#endif /* _GENERATE_BUILTIN_DATA */
static int _print_psl_entries_dafsa_binary(const char *fname, const _psl_vector_t *v)
{
FILE *fp;
int ret = 0, it, rc;
char cmd[256];
if ((fp = fopen("in.tmp", "w"))) {
for (it = 0; it < v->cur; it++) {
_psl_entry_t *e = _vector_get(v, it);
fprintf(fp, "%s, %X\n", e->label_buf, (int) (e->flags & 0x0F));
}
fclose(fp);
} else {
fprintf(stderr, "Failed to write open 'in.tmp'\n");
return 3;
}
snprintf(cmd, sizeof(cmd), MAKE_DAFSA " --output-format=binary in.tmp %s", fname);
if ((rc = system(cmd))) {
fprintf(stderr, "Failed to execute '%s' (%d)\n", cmd, rc);
ret = 2;
}
unlink("in.tmp");
return ret;
}
static void usage(void)
{
fprintf(stderr, "Usage: psl2c [--binary] <infile> <outfile>\n");
fprintf(stderr, " <infile> is the 'public_suffix_list.dat', lowercase UTF-8 encoded\n");
fprintf(stderr, " <outfile> is the the filename to be generated from <infile>\n");
fprintf(stderr, " --binary Generate binary DAFSA output (default: C code for psl.c)\n");
exit(1);
}
int main(int argc, const char **argv)
{
FILE *fpout;
psl_ctx_t *psl;
int ret = 0, argpos = 1, binary = 0;
if (argc < 3)
usage();
if (strcmp(argv[argpos], "--binary") == 0) {
argpos++;
binary = 1;
}
if (argc - argpos != 2)
usage();
if (binary) {
if (!(psl = psl_load_file(argv[argpos])))
return 2;
ret = _print_psl_entries_dafsa_binary(argv[argpos + 1], psl->suffixes);
psl_free(psl);
return ret;
}
#ifdef _GENERATE_BUILTIN_DATA
if (!(psl = psl_load_file(argv[argpos])))
return 2;
if (!psl->suffixes || !psl->nsuffixes) {
fprintf(stderr, "Failed to load PSL. Please check content of '%s'.\n", argv[argpos]);
return 5;
}
/* look for ambiguous or double entries */
/* if (_check_psl(psl)) {
psl_free(psl);
return 5;
}
*/
if ((fpout = fopen(argv[argpos + 1], "w"))) {
FILE *pp;
struct stat st;
size_t cmdsize = 16 + strlen(argv[argpos]);
char *cmd = alloca(cmdsize), checksum[64] = "";
char *abs_srcfile;
_print_psl_entries_dafsa(fpout, psl->suffixes);
snprintf(cmd, cmdsize, "sha1sum %s", argv[argpos]);
if ((pp = popen(cmd, "r"))) {
if (fscanf(pp, "%63[0-9a-zA-Z]", checksum) < 1)
*checksum = 0;
pclose(pp);
}
if (stat(argv[argpos], &st) != 0)
st.st_mtime = 0;
fprintf(fpout, "static time_t _psl_file_time = %lu;\n", st.st_mtime);
fprintf(fpout, "static int _psl_nsuffixes = %d;\n", psl->nsuffixes);
fprintf(fpout, "static int _psl_nexceptions = %d;\n", psl->nexceptions);
fprintf(fpout, "static int _psl_nwildcards = %d;\n", psl->nwildcards);
fprintf(fpout, "static const char _psl_sha1_checksum[] = \"%s\";\n", checksum);
/* We need an absolute path here, else psl_builtin_outdated() won't work reliable */
/* Caveat: symbolic links are resolved by realpath() */
if ((abs_srcfile = realpath(argv[argpos], NULL))) {
fprintf(fpout, "static const char _psl_filename[] = \"%s\";\n", abs_srcfile);
free(abs_srcfile);
} else
fprintf(fpout, "static const char _psl_filename[] = \"%s\";\n", argv[argpos]);
if (fclose(fpout) != 0)
ret = 4;
} else {
fprintf(stderr, "Failed to write open '%s'\n", argv[argpos + 1]);
ret = 3;
}
psl_free(psl);
#else
if ((fpout = fopen(argv[argpos + 1], "w"))) {
fprintf(fpout, "static const unsigned char kDafsa[1];\n");
fprintf(fpout, "static time_t _psl_file_time;\n");
fprintf(fpout, "static int _psl_nsuffixes = 0;\n");
fprintf(fpout, "static int _psl_nexceptions = 0;\n");
fprintf(fpout, "static int _psl_nwildcards = 0;\n");
fprintf(fpout, "static const char _psl_sha1_checksum[] = \"\";\n");
fprintf(fpout, "static const char _psl_filename[] = \"\";\n");
if (fclose(fpout) != 0)
ret = 4;
} else {
fprintf(stderr, "Failed to write open '%s'\n", argv[argpos + 1]);
ret = 3;
}
#endif /* GENERATE_BUILTIN_DATA */
return ret;
}

View File

@ -28,9 +28,9 @@ TESTS = $(PSL_TESTS)
# check-local target works in parallel to the tests, so the test suite will likely fail
BUILT_SOURCES = psl.dafsa psl_ascii.dafsa
psl.dafsa:
$(top_srcdir)/src/psl-make-dafsa --input-format=psl --output-format=binary "$(PSL_FILE)" psl.dafsa
$(top_srcdir)/src/psl-make-dafsa --output-format=binary "$(PSL_FILE)" psl.dafsa
psl_ascii.dafsa:
$(top_srcdir)/src/psl-make-dafsa --input-format=psl --output-format=binary --encoding=ascii "$(PSL_FILE)" psl_ascii.dafsa
$(top_srcdir)/src/psl-make-dafsa --output-format=binary --encoding=ascii "$(PSL_FILE)" psl_ascii.dafsa
clean-local:
rm -f psl.dafsa psl_ascii.dafsa

View File

@ -94,7 +94,7 @@ static void test_psl_entry(const psl_ctx_t *psl, const char *domain, int type)
} else ok++;
if (!(strchr(domain, '.'))) {
/* TLDs are always expected to be Publix Suffixes */
/* TLDs are always expected to be Public Suffixes */
if (!(result = psl_is_public_suffix2(psl, domain, PSL_TYPE_PRIVATE))) {
failed++;
printf("psl_is_public_suffix2(%s, PSL_TYPE_PRIVATE)=%d (expected 1)\n", domain, result);

View File

@ -53,7 +53,7 @@ static int
static void testx(const psl_ctx_t *psl, const char *domain, const char *encoding, const char *lang, const char *expected_result)
{
const char *result;
char *lower;
char *lower = NULL;
int rc;
/* just to cover special code paths for valgrind checking */
@ -67,8 +67,6 @@ static void testx(const psl_ctx_t *psl, const char *domain, const char *encoding
/* if we do not runtime support, test failure have to be skipped */
failed++;
printf("psl_str_to_utf8lower(%s)=%d\n", domain ? domain : "NULL", rc);
free(lower);
return;
}
#endif

View File

@ -72,7 +72,7 @@ int main(int argc, const char *const *argv)
{
int mode = 1;
const char *const *arg, *psl_file = NULL, *cookie_domain = NULL;
psl_ctx_t *psl = (psl_ctx_t *) psl_builtin();
psl_ctx_t *psl = (psl_ctx_t *) psl_latest(NULL);
/* set current locale according to the environment variables */
#include <locale.h>
@ -120,7 +120,7 @@ int main(int argc, const char *const *argv)
printf("psl %s (0x%06x)\n", PACKAGE_VERSION, psl_check_version_number(0));
printf("libpsl %s\n", psl_get_version());
printf("\n");
printf("Copyright (C) 2014-2015 Tim Ruehsen\n");
printf("Copyright (C) 2014-2016 Tim Ruehsen\n");
printf("License: MIT\n");
exit(0);
}
@ -164,15 +164,15 @@ int main(int argc, const char *const *argv)
else if (mode == 4) {
char *cookie_domain_lower;
if ((rc = psl_str_to_utf8lower(domain, NULL, NULL, &cookie_domain_lower)) != PSL_SUCCESS)
fprintf(stderr, "%s: Failed to convert cookie domain '%s' to lowercase UTF-8 (%d)\n", domain, cookie_domain, rc);
else
if ((rc = psl_str_to_utf8lower(domain, NULL, NULL, &cookie_domain_lower)) == PSL_SUCCESS) {
printf("%s: %d\n", domain, psl_is_cookie_domain_acceptable(psl, lower, cookie_domain));
free(cookie_domain_lower);
free(cookie_domain_lower);
} else
fprintf(stderr, "%s: Failed to convert cookie domain '%s' to lowercase UTF-8 (%d)\n", domain, cookie_domain, rc);
}
free(lower);
if (rc == PSL_SUCCESS)
free(lower);
}
psl_free(psl);
@ -197,6 +197,8 @@ int main(int argc, const char *const *argv)
printf("%s: %d\n", *arg, psl_is_cookie_domain_acceptable(psl, *arg, cookie_domain));
}
else if (mode == 99) {
printf("dist filename: %s\n", psl_dist_filename());
if (psl && psl != psl_builtin()) {
printf("suffixes: %d\n", psl_suffix_count(psl));
printf("exceptions: %d\n", psl_suffix_exception_count(psl));