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fixed libicu implementation, use pkg-config for libicu detection

This commit is contained in:
Tim Ruehsen 2014-06-05 11:39:28 +02:00
parent 58daea97ce
commit 79cd551b17
3 changed files with 36 additions and 26 deletions
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14
configure.ac
View File

@ -74,19 +74,13 @@ AC_ARG_ENABLE(builtin,
], [
enable_builtin=yes
AC_DEFINE([WITH_BUILTIN], [1], [compile PSL data into library])
PKG_CHECK_MODULES(LIBICU, [icu-uc],
[AC_DEFINE([WITH_LIBICU], [1], [generate PSL data with IDNA2008 UTS#46 punycode])],
[AC_CHECK_PROG(HAVE_IDN2, idn2, yes, AC_MSG_ERROR(Cannot find required tool 'idn2'.))])
])
AM_CONDITIONAL([WITH_BUILTIN], [test $enable_builtin = yes])
AC_ARG_WITH(icu, AS_HELP_STRING([--without-icu], [disable ICU punycode conversion]), with_icu=$withval, with_icu=yes)
if test $with_icu != "no"
then
AC_CHECK_LIB(icuuc, uidna_openUTS46, [with_icu=yes; AC_SUBST(ICU_LIBS, "-licu") AC_DEFINE([WITH_LIBICU], [1], [Use libicu])], [with_icu=no; AC_MSG_WARN(*** LIBICU was not found. Falling back to idn2.)])
fi
AM_CONDITIONAL([WITH_LIBICU], [test $with_icu = "yes"])
# Check for idn2
AC_CHECK_PROG(HAVE_IDN2, idn2, yes, AC_MSG_ERROR(Cannot find required tool 'idn2'.))
# Check for valgrind
ac_enable_valgrind=no
AC_ARG_ENABLE(valgrind-tests,

4
src/Makefile.am
View File

@ -13,8 +13,8 @@ libpsl_la_LDFLAGS = -version-info $(LIBPSL_SO_VERSION)
noinst_PROGRAMS = psl2c
psl2c_SOURCES = psl2c.c
psl2c_CPPFLAGS = -I$(top_srcdir)/include -D _GNU_SOURCE
#psl2c_LDADD = -lidn2
psl2c_CPPFLAGS = -I$(top_srcdir)/include -D _GNU_SOURCE $(LIBICU_CFLAGS)
psl2c_LDADD = $(LIBICU_LIBS)
# Build rule for suffix.c
# PSL_FILE can be set by ./configure --with-psl-file=[PATH]

34
src/psl2c.c
View File

@ -47,6 +47,7 @@
#ifdef WITH_LIBICU
# include <unicode/uversion.h>
# include <unicode/ustring.h>
# include <unicode/uidna.h>
#endif
@ -349,21 +350,36 @@ static void _add_punycode_if_needed(_psl_vector_t *v)
*/
/* IDNA2008 UTS#46 punycode conversion */
if ((idna = uidna_openUTS46(UIDNA_USE_STD3_RULES, &status))) {
uidna_nameToASCII(idna, (UChar *) e->label_buf, (int32_t) strlen(e->label_buf),
(UChar *) lookupname, (int32_t) sizeof(lookupname), NULL, &status);
uidna_close(idna);
}
// if ((idna = uidna_openUTS46(UIDNA_USE_STD3_RULES, &status))) {
if ((idna = uidna_openUTS46(UIDNA_DEFAULT, &status))) {
UChar utf16_dst[64], utf16_src[64];
int32_t utf16_src_length;
UIDNAInfo info = UIDNA_INFO_INITIALIZER;
if (U_FAILURE(status)) {
fprintf(stderr, "Failed to convert '%s' to ASCII\n", e->label_buf);
} else if (strcmp(e->label_buf, lookupname)) {
u_strFromUTF8(utf16_src, sizeof(utf16_src)/sizeof(utf16_src[0]), &utf16_src_length, e->label_buf, (int32_t) strlen(e->label_buf), &status);
if (U_SUCCESS(status)) {
int32_t dst_length = uidna_nameToASCII(idna, utf16_src, utf16_src_length, utf16_dst, sizeof(utf16_dst)/sizeof(utf16_dst[0]), &info, &status);
if (U_SUCCESS(status)) {
u_strToUTF8(lookupname, (int32_t) sizeof(lookupname), NULL, utf16_dst, dst_length, &status);
if (U_SUCCESS(status)) {
if (strcmp(e->label_buf, lookupname)) {
/* fprintf(stderr, "libicu '%s' -> '%s'\n", e->label_buf, lookupname); */
_suffix_init(&suffix, lookupname, strlen(lookupname));
suffix.wildcard = e->wildcard;
suffixp = _vector_get(v, _vector_add(v, &suffix));
suffixp->label = suffixp->label_buf; /* set label to changed address */
} /* else ignore */
} // else ignore
} else
fprintf(stderr, "Failed to convert UTF-16 to UTF-8 (status %d)\n", status);
} else
fprintf(stderr, "Failed to convert to ASCII (status %d)\n", status);
} else
fprintf(stderr, "Failed to convert UTF-8 to UTF-16 (status %d)\n", status);
uidna_close(idna);
} else
fprintf(stderr, "Failed to get UTS46 IDNA handle\n");
#else
/* this is much slower than the libidn2 API but should have no license issues */
FILE *pp;