summaryrefslogtreecommitdiffstats
path: root/netwerk/dns/nameprep.c
diff options
context:
space:
mode:
Diffstat (limited to 'netwerk/dns/nameprep.c')
-rw-r--r--netwerk/dns/nameprep.c347
1 files changed, 0 insertions, 347 deletions
diff --git a/netwerk/dns/nameprep.c b/netwerk/dns/nameprep.c
deleted file mode 100644
index 039797885..000000000
--- a/netwerk/dns/nameprep.c
+++ /dev/null
@@ -1,347 +0,0 @@
-/*
- * Copyright (c) 2001,2002 Japan Network Information Center.
- * All rights reserved.
- *
- * By using this file, you agree to the terms and conditions set forth bellow.
- *
- * LICENSE TERMS AND CONDITIONS
- *
- * The following License Terms and Conditions apply, unless a different
- * license is obtained from Japan Network Information Center ("JPNIC"),
- * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
- * Chiyoda-ku, Tokyo 101-0047, Japan.
- *
- * 1. Use, Modification and Redistribution (including distribution of any
- * modified or derived work) in source and/or binary forms is permitted
- * under this License Terms and Conditions.
- *
- * 2. Redistribution of source code must retain the copyright notices as they
- * appear in each source code file, this License Terms and Conditions.
- *
- * 3. Redistribution in binary form must reproduce the Copyright Notice,
- * this License Terms and Conditions, in the documentation and/or other
- * materials provided with the distribution. For the purposes of binary
- * distribution the "Copyright Notice" refers to the following language:
- * "Copyright (c) 2000-2002 Japan Network Information Center. All rights reserved."
- *
- * 4. The name of JPNIC may not be used to endorse or promote products
- * derived from this Software without specific prior written approval of
- * JPNIC.
- *
- * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JPNIC BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
- * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
- */
-
-
-#include <stdlib.h>
-#include <string.h>
-
-#include "nsIDNKitInterface.h"
-
-#define UCS_MAX 0x7fffffff
-#define UNICODE_MAX 0x10ffff
-
-
-/*
- * Load NAMEPREP compiled tables.
- */
-#include "nameprepdata.c"
-
-/*
- * Define mapping/checking functions for each version of the draft.
- */
-
-#define VERSION id11
-#include "nameprep_template.c"
-#undef VERSION
-
-typedef const char *(*nameprep_mapproc)(uint32_t v);
-typedef int (*nameprep_checkproc)(uint32_t v);
-typedef idn_biditype_t (*nameprep_biditypeproc)(uint32_t v);
-
-static struct idn_nameprep {
- char *version;
- nameprep_mapproc map_proc;
- nameprep_checkproc prohibited_proc;
- nameprep_checkproc unassigned_proc;
- nameprep_biditypeproc biditype_proc;
-} nameprep_versions[] = {
-#define MAKE_NAMEPREP_HANDLE(version, id) \
- { version, \
- compose_sym2(nameprep_map_, id), \
- compose_sym2(nameprep_prohibited_, id), \
- compose_sym2(nameprep_unassigned_, id), \
- compose_sym2(nameprep_biditype_, id), }
- MAKE_NAMEPREP_HANDLE("nameprep-11", id11),
- { NULL, NULL, NULL, NULL, NULL },
-};
-
-static idn_result_t idn_nameprep_check(nameprep_checkproc proc,
- const uint32_t *str,
- const uint32_t **found);
-
-idn_result_t
-idn_nameprep_create(const char *version, idn_nameprep_t *handlep) {
- idn_nameprep_t handle;
-
- assert(handlep != NULL);
-
- TRACE(("idn_nameprep_create(version=%-.50s)\n",
- version == NULL ? "<NULL>" : version));
-
- if (version == NULL)
- version = IDN_NAMEPREP_CURRENT;
-
- /*
- * Lookup table for the specified version. Since the number of
- * versions won't be large (I don't want see draft-23 or such :-),
- * simple linear search is OK.
- */
- for (handle = nameprep_versions; handle->version != NULL; handle++) {
- if (strcmp(handle->version, version) == 0) {
- *handlep = handle;
- return (idn_success);
- }
- }
- return (idn_notfound);
-}
-
-void
-idn_nameprep_destroy(idn_nameprep_t handle) {
- assert(handle != NULL);
-
- TRACE(("idn_nameprep_destroy()\n"));
-
- /* Nothing to do. */
-}
-
-idn_result_t
-idn_nameprep_map(idn_nameprep_t handle, const uint32_t *from,
- uint32_t *to, size_t tolen) {
- assert(handle != NULL && from != NULL && to != NULL);
-
- TRACE(("idn_nameprep_map(ctx=%s, from=\"%s\")\n",
- handle->version, idn__debug_ucs4xstring(from, 50)));
-
- while (*from != '\0') {
- uint32_t v = *from;
- const char *mapped;
-
- if (v > UCS_MAX) {
- /* This cannot happen, but just in case.. */
- return (idn_invalid_codepoint);
- } else if (v > UNICODE_MAX) {
- /* No mapping is possible. */
- mapped = NULL;
- } else {
- /* Try mapping. */
- mapped = (*handle->map_proc)(v);
- }
-
- if (mapped == NULL) {
- /* No mapping. Just copy verbatim. */
- if (tolen < 1)
- return (idn_buffer_overflow);
- *to++ = v;
- tolen--;
- } else {
- const unsigned char *mappeddata;
- size_t mappedlen;
-
- mappeddata = (const unsigned char *)mapped + 1;
- mappedlen = *mapped;
-
- if (tolen < (mappedlen + 3) / 4)
- return (idn_buffer_overflow);
- tolen -= (mappedlen + 3) / 4;
- while (mappedlen >= 4) {
- *to = *mappeddata++;
- *to |= *mappeddata++ << 8;
- *to |= *mappeddata++ << 16;
- *to |= *mappeddata++ << 24;
- mappedlen -= 4;
- to++;
- }
- if (mappedlen > 0) {
- *to = *mappeddata++;
- *to |= (mappedlen >= 2) ?
- *mappeddata++ << 8: 0;
- *to |= (mappedlen >= 3) ?
- *mappeddata++ << 16: 0;
- to++;
- }
- }
- from++;
- }
- if (tolen == 0)
- return (idn_buffer_overflow);
- *to = '\0';
- return (idn_success);
-}
-
-idn_result_t
-idn_nameprep_isprohibited(idn_nameprep_t handle, const uint32_t *str,
- const uint32_t **found) {
- assert(handle != NULL && str != NULL && found != NULL);
-
- TRACE(("idn_nameprep_isprohibited(ctx=%s, str=\"%s\")\n",
- handle->version, idn__debug_ucs4xstring(str, 50)));
-
- return (idn_nameprep_check(handle->prohibited_proc, str, found));
-}
-
-idn_result_t
-idn_nameprep_isunassigned(idn_nameprep_t handle, const uint32_t *str,
- const uint32_t **found) {
- assert(handle != NULL && str != NULL && found != NULL);
-
- TRACE(("idn_nameprep_isunassigned(handle->version, str=\"%s\")\n",
- handle->version, idn__debug_ucs4xstring(str, 50)));
-
- return (idn_nameprep_check(handle->unassigned_proc, str, found));
-}
-
-static idn_result_t
-idn_nameprep_check(nameprep_checkproc proc, const uint32_t *str,
- const uint32_t **found) {
- uint32_t v;
-
- while (*str != '\0') {
- v = *str;
-
- if (v > UCS_MAX) {
- /* This cannot happen, but just in case.. */
- return (idn_invalid_codepoint);
- } else if (v > UNICODE_MAX) {
- /* It is invalid.. */
- *found = str;
- return (idn_success);
- } else if ((*proc)(v)) {
- *found = str;
- return (idn_success);
- }
- str++;
- }
- *found = NULL;
- return (idn_success);
-}
-
-idn_result_t
-idn_nameprep_isvalidbidi(idn_nameprep_t handle, const uint32_t *str,
- const uint32_t **found) {
- uint32_t v;
- idn_biditype_t first_char;
- idn_biditype_t last_char;
- int found_r_al;
-
- assert(handle != NULL && str != NULL && found != NULL);
-
- TRACE(("idn_nameprep_isvalidbidi(ctx=%s, str=\"%s\")\n",
- handle->version, idn__debug_ucs4xstring(str, 50)));
-
- if (*str == '\0') {
- *found = NULL;
- return (idn_success);
- }
-
- /*
- * check first character's type and initialize variables.
- */
- found_r_al = 0;
- if (*str > UCS_MAX) {
- /* This cannot happen, but just in case.. */
- return (idn_invalid_codepoint);
- } else if (*str > UNICODE_MAX) {
- /* It is invalid.. */
- *found = str;
- return (idn_success);
- }
- first_char = last_char = (*(handle->biditype_proc))(*str);
- if (first_char == idn_biditype_r_al) {
- found_r_al = 1;
- }
- str++;
-
- /*
- * see whether string is valid or not.
- */
- while (*str != '\0') {
- v = *str;
-
- if (v > UCS_MAX) {
- /* This cannot happen, but just in case.. */
- return (idn_invalid_codepoint);
- } else if (v > UNICODE_MAX) {
- /* It is invalid.. */
- *found = str;
- return (idn_success);
- } else {
- last_char = (*(handle->biditype_proc))(v);
- if (found_r_al && last_char == idn_biditype_l) {
- *found = str;
- return (idn_success);
- }
- if (first_char != idn_biditype_r_al && last_char == idn_biditype_r_al) {
- *found = str;
- return (idn_success);
- }
- if (last_char == idn_biditype_r_al) {
- found_r_al = 1;
- }
- }
- str++;
- }
-
- if (found_r_al) {
- if (last_char != idn_biditype_r_al) {
- *found = str - 1;
- return (idn_success);
- }
- }
-
- *found = NULL;
- return (idn_success);
-}
-
-idn_result_t
-idn_nameprep_createproc(const char *parameter, void **handlep) {
- return idn_nameprep_create(parameter, (idn_nameprep_t *)handlep);
-}
-
-void
-idn_nameprep_destroyproc(void *handle) {
- idn_nameprep_destroy((idn_nameprep_t)handle);
-}
-
-idn_result_t
-idn_nameprep_mapproc(void *handle, const uint32_t *from,
- uint32_t *to, size_t tolen) {
- return idn_nameprep_map((idn_nameprep_t)handle, from, to, tolen);
-}
-
-idn_result_t
-idn_nameprep_prohibitproc(void *handle, const uint32_t *str,
- const uint32_t **found) {
- return idn_nameprep_isprohibited((idn_nameprep_t)handle, str, found);
-}
-
-idn_result_t
-idn_nameprep_unassignedproc(void *handle, const uint32_t *str,
- const uint32_t **found) {
- return idn_nameprep_isunassigned((idn_nameprep_t)handle, str, found);
-}
-
-idn_result_t
-idn_nameprep_bidiproc(void *handle, const uint32_t *str,
- const uint32_t **found) {
- return idn_nameprep_isvalidbidi((idn_nameprep_t)handle, str, found);
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-24 09:16:41 +0000