f5f9014c90
- shadowed variables - signed/unsigned confusion - const lossage - incomplete structure initializations - unused code
146 lines
4.0 KiB
C
146 lines
4.0 KiB
C
/*
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* Copyright (c) 2004, 2006, 2008 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include "windlocl.h"
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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/**
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* Process a input UCS4 string according a string-prep profile.
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*
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* @param in input UCS4 string to process
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* @param in_len length of the input string
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* @param out output UCS4 string
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* @param out_len length of the output string.
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* @param flags stringprep profile.
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*
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* @return returns 0 on success, an wind error code otherwise
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* @ingroup wind
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*/
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int
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wind_stringprep(const uint32_t *in, size_t in_len,
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uint32_t *out, size_t *out_len,
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wind_profile_flags flags)
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{
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size_t tmp_len = in_len * 3;
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uint32_t *tmp;
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int ret;
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size_t olen;
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if (in_len == 0) {
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*out_len = 0;
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return 0;
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}
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tmp = malloc(tmp_len * sizeof(uint32_t));
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if (tmp == NULL)
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return ENOMEM;
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ret = _wind_stringprep_map(in, in_len, tmp, &tmp_len, flags);
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if (ret) {
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free(tmp);
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return ret;
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}
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olen = *out_len;
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ret = _wind_stringprep_normalize(tmp, tmp_len, tmp, &olen);
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if (ret) {
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free(tmp);
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return ret;
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}
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ret = _wind_stringprep_prohibited(tmp, olen, flags);
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if (ret) {
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free(tmp);
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return ret;
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}
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ret = _wind_stringprep_testbidi(tmp, olen, flags);
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if (ret) {
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free(tmp);
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return ret;
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}
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/* Insignificant Character Handling for ldap-prep */
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if (flags & WIND_PROFILE_LDAP_CASE_EXACT_ATTRIBUTE) {
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ret = _wind_ldap_case_exact_attribute(tmp, olen, out, out_len);
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#if 0
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} else if (flags & WIND_PROFILE_LDAP_CASE_EXACT_ASSERTION) {
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} else if (flags & WIND_PROFILE_LDAP_NUMERIC) {
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} else if (flags & WIND_PROFILE_LDAP_TELEPHONE) {
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#endif
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} else {
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memcpy(out, tmp, sizeof(out[0]) * olen);
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*out_len = olen;
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}
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free(tmp);
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return ret;
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}
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static const struct {
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const char *name;
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wind_profile_flags flags;
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} profiles[] = {
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{ "nameprep", WIND_PROFILE_NAME },
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{ "saslprep", WIND_PROFILE_SASL },
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{ "ldapprep", WIND_PROFILE_LDAP }
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};
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/**
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* Try to find the profile given a name.
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*
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* @param name name of the profile.
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* @param flags the resulting profile.
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*
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* @return returns 0 on success, an wind error code otherwise
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* @ingroup wind
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*/
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int
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wind_profile(const char *name, wind_profile_flags *flags)
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{
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unsigned int i;
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for (i = 0; i < sizeof(profiles)/sizeof(profiles[0]); i++) {
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if (strcasecmp(profiles[i].name, name) == 0) {
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*flags = profiles[i].flags;
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return 0;
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}
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}
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return WIND_ERR_NO_PROFILE;
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}
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