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Gisle Vanem provided code that displays an error message when the (libidn

Browse Source 
based) IDN conversion fails. This is really due to a missing suitable
function in the libidn API that I hope we can remove once libidn gets a
function like this.
This commit is contained in:
Daniel Stenberg 2004-10-02 13:01:44 +00:00
parent 6b3e3095ea
commit 19b284c214
4 changed files with 82 additions and 2 deletions
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6
CHANGES
View File

@ -6,6 +6,12 @@
Changelog
Daniel (2 October 2004)
- Gisle Vanem provided code that displays an error message when the (libidn
based) IDN conversion fails. This is really due to a missing suitable
function in the libidn API that I hope we can remove once libidn gets a
function like this.
Daniel (1 October 2004)
- Aleksandar Milivojevic reported a problem in the Redhat bugzilla (see
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=134133) and not to

69
lib/strerror.c
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@ -27,6 +27,10 @@
#include <string.h>
#include <errno.h>
#ifdef USE_LIBIDN
#include <idna.h>
#endif
#include "strerror.h"
#define _MPRINTF_REPLACE /* use our functions only */
@ -556,3 +560,68 @@ const char *Curl_strerror(struct connectdata *conn, int err)
*p = '\0';
return buf;
}
#ifdef USE_LIBIDN
/*
* Return error-string for libidn status as returned
* from idna_to_ascii_lz().
*/
const char *Curl_idn_strerror (struct connectdata *conn, int err)
{
const char *str;
char *buf;
size_t max;
curlassert(conn);
buf = conn->syserr_buf;
max = sizeof(conn->syserr_buf)-1;
switch ((Idna_rc)err) {
case IDNA_SUCCESS:
str = "No error";
break;
case IDNA_STRINGPREP_ERROR:
str = "Error in string preparation";
break;
case IDNA_PUNYCODE_ERROR:
str = "Error in Punycode operation";
break;
case IDNA_CONTAINS_NON_LDH:
str = "Illegal ASCII characters";
break;
case IDNA_CONTAINS_MINUS:
str = "Contains minus";
break;
case IDNA_INVALID_LENGTH:
str = "Invalid output length";
break;
case IDNA_NO_ACE_PREFIX:
str = "No ACE prefix (\"xn--\")";
break;
case IDNA_ROUNDTRIP_VERIFY_ERROR:
str = "Roundtrip verify error";
break;
case IDNA_CONTAINS_ACE_PREFIX:
str = "Already have ACE prefix (\"xn--\")";
break;
case IDNA_ICONV_ERROR:
str = "Locale conversion failed";
break;
case IDNA_MALLOC_ERROR:
str = "Allocation failed";
break;
case IDNA_DLOPEN_ERROR:
str = "dlopen() error";
break;
default:
snprintf(buf, max, "error %d", (int)err);
str = NULL;
break;
}
if (str)
strncpy(buf, str, max);
buf[max] = '\0';
return (buf);
}
#endif /* USE_LIBIDN */

4
lib/strerror.h
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@ -27,4 +27,8 @@
const char *Curl_strerror (struct connectdata *conn, int err);
#ifdef USE_LIBIDN
const char *Curl_idn_strerror (struct connectdata *conn, int err);
#endif
#endif

5
lib/url.c
View File

@ -116,6 +116,7 @@ void idn_free (void *ptr); /* prototype from idn-free.h, not provided by
#include "progress.h"
#include "cookie.h"
#include "strequal.h"
#include "strerror.h"
#include "escape.h"
#include "strtok.h"
#include "share.h"
@ -2078,8 +2079,8 @@ static void fix_hostname(struct connectdata *conn, struct hostname *host)
infof (data, "Input domain encoded as `%s'\n",
stringprep_locale_charset ());
if (rc != IDNA_SUCCESS)
infof(data, "Failed to convert %s to ACE; IDNA error %d\n",
host->name, rc);
infof(data, "Failed to convert %s to ACE; %s\n",
host->name, Curl_idn_strerror(conn,rc));
else {
host->encalloc = ace_hostname;
/* change the name pointer to point to the encoded hostname */