mirror of
https://github.com/freebsd/freebsd-src
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3ba4c8c81a
Merge commit '5894a4142a9d5ae5f7f6bee1f46237a3d20d0b5b'
184 lines
4.7 KiB
C
184 lines
4.7 KiB
C
/*-
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* Copyright (c) 2021 Dag-Erling Smørgrav
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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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* 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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* 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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* 3. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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 <sys/types.h>
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#include <errno.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <cryb/test.h>
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#include <security/pam_appl.h>
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#include "openpam_impl.h"
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static int
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t_straddch_empty(char **desc CRYB_UNUSED, void *arg CRYB_UNUSED)
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{
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char *str;
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size_t size, len;
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int ret;
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str = NULL;
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size = len = SIZE_MAX;
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ret = t_is_zero_i(openpam_straddch(&str, &size, &len, '\0'));
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ret &= t_is_not_null(str);
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ret &= t_is_not_zero_sz(size);
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ret &= t_is_zero_sz(len);
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free(str);
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return ret;
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}
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static int
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t_straddch_alloc_fail(char **desc CRYB_UNUSED, void *arg CRYB_UNUSED)
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{
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char *str;
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size_t size, len;
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int ret;
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str = NULL;
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size = len = SIZE_MAX;
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errno = 0;
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t_malloc_fail = 1;
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ret = t_compare_i(-1, openpam_straddch(&str, &size, &len, '\0'));
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t_malloc_fail = 0;
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ret &= t_compare_i(ENOMEM, errno);
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ret &= t_is_null(str);
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ret &= t_compare_sz(SIZE_MAX, size);
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ret &= t_compare_sz(SIZE_MAX, len);
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free(str);
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return ret;
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}
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static int
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t_straddch_realloc_fail(char **desc CRYB_UNUSED, void *arg CRYB_UNUSED)
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{
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char *str, *_str;
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size_t size, _size, len, _len;
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int i, ret;
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// start with an empty string
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str = NULL;
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size = len = SIZE_MAX;
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ret = t_is_zero_i(openpam_straddch(&str, &size, &len, '\0'));
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ret &= t_is_not_null(str);
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ret &= t_is_not_zero_sz(size);
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ret &= t_is_zero_sz(len);
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if (!ret)
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goto end;
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// repeatedly append to it until allocation fails
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errno = 0;
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_str = str;
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_size = size;
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_len = len;
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t_malloc_fail = 1;
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for (i = 0; i < 4096; i++) {
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if ((ret = openpam_straddch(&str, &size, &len, 'x')) != 0)
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break;
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_size = size;
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_len = len;
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}
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t_malloc_fail = 0;
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ret = t_compare_i(-1, ret);
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ret &= t_compare_i(ENOMEM, errno);
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ret &= t_compare_ptr(_str, str);
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ret &= t_compare_sz(_size, size);
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ret &= t_compare_sz(_len, len);
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end:
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free(str);
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return ret;
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}
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static int
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t_straddch_realloc_ok(char **desc CRYB_UNUSED, void *arg CRYB_UNUSED)
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{
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char *str;
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size_t size, _size, len, _len;
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int i, ret;
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// start with an empty string
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str = NULL;
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size = len = SIZE_MAX;
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ret = t_is_zero_i(openpam_straddch(&str, &size, &len, '\0'));
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ret &= t_is_not_null(str);
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ret &= t_is_not_zero_sz(size);
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ret &= t_is_zero_sz(len);
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if (!ret)
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goto end;
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// repeatedly append to it until size changes
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_size = size;
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_len = len;
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for (i = ' '; i <= '~'; i++) { // assume ascii
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if ((ret = openpam_straddch(&str, &size, &len, i)) != 0)
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break;
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if (size != _size)
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break;
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if (len != _len + 1)
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break;
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_len = len;
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}
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ret = t_is_zero_i(ret);
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if (!ret)
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goto end;
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ret &= t_compare_sz(_len + 1, len);
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ret &= t_compare_sz(_size * 2, size);
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ret &= t_compare_i(i, str[_len]);
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ret &= t_is_zero_i(str[len]);
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end:
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free(str);
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return ret;
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}
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/***************************************************************************
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* Boilerplate
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*/
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static int
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t_prepare(int argc CRYB_UNUSED, char *argv[] CRYB_UNUSED)
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{
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t_add_test(t_straddch_empty, NULL, "empty string");
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t_add_test(t_straddch_alloc_fail, NULL, "allocation failure");
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t_add_test(t_straddch_realloc_fail, NULL, "reallocation failure");
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t_add_test(t_straddch_realloc_ok, NULL, "reallocation success");
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return (0);
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}
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int
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main(int argc, char *argv[])
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{
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t_main(t_prepare, NULL, argc, argv);
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}
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