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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 17:20:00 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 17:20:00 +0000 |
commit | 8daa83a594a2e98f39d764422bfbdbc62c9efd44 (patch) | |
tree | 4099e8021376c7d8c05bdf8503093d80e9c7bad0 /third_party/heimdal/appl/gssmask/common.c | |
parent | Initial commit. (diff) | |
download | samba-8daa83a594a2e98f39d764422bfbdbc62c9efd44.tar.xz samba-8daa83a594a2e98f39d764422bfbdbc62c9efd44.zip |
Adding upstream version 2:4.20.0+dfsg.upstream/2%4.20.0+dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/heimdal/appl/gssmask/common.c')
-rw-r--r-- | third_party/heimdal/appl/gssmask/common.c | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/third_party/heimdal/appl/gssmask/common.c b/third_party/heimdal/appl/gssmask/common.c new file mode 100644 index 0000000..733db90 --- /dev/null +++ b/third_party/heimdal/appl/gssmask/common.c @@ -0,0 +1,97 @@ +/* + * Copyright (c) 2006 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of KTH nor the names of its contributors may be + * used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY KTH AND ITS CONTRIBUTORS ``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 KTH OR ITS CONTRIBUTORS 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 DAMAGE. + */ + +#include <common.h> +RCSID("$Id$"); + +krb5_error_code +store_string(krb5_storage *sp, const char *str) +{ + size_t len = strlen(str) + 1; + krb5_error_code ret; + + ret = krb5_store_int32(sp, len); + if (ret) + return ret; + ret = krb5_storage_write(sp, str, len); + if (ret != len) + return EINVAL; + return 0; +} + +static void +add_list(char ****list, size_t *listlen, char **str, size_t len) +{ + size_t i; + *list = erealloc(*list, sizeof(**list) * (*listlen + 1)); + + (*list)[*listlen] = ecalloc(len, sizeof(***list)); + for (i = 0; i < len; i++) + (*list)[*listlen][i] = str[i]; + (*listlen)++; +} + +static void +permute(char ****list, size_t *listlen, + char **str, const int start, const int len) +{ + int i, j; + +#define SWAP(s,i,j) { char *t = str[i]; str[i] = str[j]; str[j] = t; } + + for (i = start; i < len - 1; i++) { + for (j = i+1; j < len; j++) { + SWAP(str,i,j); + permute(list, listlen, str, i+1, len); + SWAP(str,i,j); + } + } + add_list(list, listlen, str, len); +} + +char *** +permutate_all(struct getarg_strings *strings, size_t *size) +{ + char **list, ***all = NULL; + int i; + + *size = 0; + + list = ecalloc(strings->num_strings, sizeof(*list)); + for (i = 0; i < strings->num_strings; i++) + list[i] = strings->strings[i]; + + permute(&all, size, list, 0, strings->num_strings); + free(list); + return all; +} |