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Implement support for libidn2

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Contributed by Tim Rühsen.
Closes #49 from Github.
This commit is contained in:
Marco d'Itri 2017-02-27 00:32:43 +01:00
parent cf61394ded
commit 8ed6d73095
3 changed files with 24 additions and 4 deletions
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5
Makefile
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@ -32,10 +32,15 @@ ifdef LOCALEDIR
DEFS += -DLOCALEDIR=\"$(BASEDIR)$(prefix)/share/locale\"
endif
ifdef HAVE_LIBIDN2
whois_LDADD += -lidn2
DEFS += -DHAVE_LIBIDN2
else
ifdef HAVE_LIBIDN
whois_LDADD += -lidn
DEFS += -DHAVE_LIBIDN
endif
endif
ifdef HAVE_ICONV
whois_OBJECTS += simple_recode.o

3
utils.h
View File

@ -49,6 +49,9 @@
# define ngettext(a, b, c) ((c==1) ? (a) : (b))
#endif
#if defined IDN2_VERSION_NUMBER && IDN2_VERSION_NUMBER < 0x00140000
# define IDN2_NONTRANSITIONAL IDN2_NFC_INPUT
#endif
/* Prototypes */
void *do_nofail(void *ptr, const char *file, const int line);

20
whois.c
View File

@ -31,7 +31,9 @@
#ifdef HAVE_REGEXEC
#include <regex.h>
#endif
#ifdef HAVE_LIBIDN
#ifdef HAVE_LIBIDN2
#include <idn2.h>
#elif defined HAVE_LIBIDN
#include <idna.h>
#endif
#ifdef HAVE_INET_PTON
@ -654,7 +656,7 @@ char *queryformat(const char *server, const char *flags, const char *query)
simple_recode_input_charset = "utf-8"; /* then try UTF-8 */
#endif
#ifdef HAVE_LIBIDN
#if defined HAVE_LIBIDN || defined HAVE_LIBIDN2
# define DENIC_PARAM_ACE ",ace"
#else
# define DENIC_PARAM_ACE ""
@ -1144,7 +1146,7 @@ const char *is_new_gtld(const char *s)
char *normalize_domain(const char *dom)
{
char *p, *ret;
#ifdef HAVE_LIBIDN
#if defined HAVE_LIBIDN || defined HAVE_LIBIDN2
char *domain_start = NULL;
#endif
@ -1159,7 +1161,7 @@ char *normalize_domain(const char *dom)
p--;
}
#ifdef HAVE_LIBIDN
#if defined HAVE_LIBIDN || defined HAVE_LIBIDN2
/* find the start of the last word if there are spaces in the query */
for (p = ret; *p; p++)
if (*p == ' ')
@ -1169,8 +1171,13 @@ char *normalize_domain(const char *dom)
char *q, *r;
int prefix_len;
#ifdef HAVE_LIBIDN2
if (idn2_lookup_ul(domain_start, &q, IDN2_NONTRANSITIONAL) != IDN2_OK)
return ret;
#else
if (idna_to_ascii_lz(domain_start, &q, 0) != IDNA_SUCCESS)
return ret;
#endif
/* reassemble the original query in a new buffer */
prefix_len = domain_start - ret;
@ -1185,8 +1192,13 @@ char *normalize_domain(const char *dom)
} else {
char *q;
#ifdef HAVE_LIBIDN2
if (idn2_lookup_ul(ret, &q, IDN2_NONTRANSITIONAL) != IDN2_OK)
return ret;
#else
if (idna_to_ascii_lz(ret, &q, 0) != IDNA_SUCCESS)
return ret;
#endif
free(ret);
return q;