/*- * Copyright (c) 2015-2018 The University of Oslo * 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. The name of the author may not be used to endorse or promote * products derived from this software without specific prior written * permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND 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 THE AUTHOR OR 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 "cryb/impl.h" #include #include #include #include #undef HAVE_MEMCPY_S #include #include #include #define T_BUF_LEN 40 struct t_plain_case { const char *desc; const char in[T_BUF_LEN]; size_t dsz; const char s[T_BUF_LEN]; size_t len; const char out[T_BUF_LEN]; size_t outlen; int ret; }; /*************************************************************************** * Plain test cases */ static struct t_plain_case t_plain_cases[] = { { .desc = "zero", .in = "squeamish ossifrage", .dsz = sizeof "squeamish ossifrage" - 1, .s = "", .len = 0, .out = "squeamish ossifrage", .ret = 0, }, { .desc = "short", .in = "squeamish ossifrage", .dsz = sizeof "squeamish ossifrage" - 1, .s = "the quick", .len = sizeof "the quick" - 1, .out = "the quick ossifrage", .ret = 0, }, { .desc = "exact", .in = "squeamish ossifrage", .dsz = sizeof "squeamish ossifrage" - 1, .s = "the quick brown fox", .len = sizeof "the quick brown fox" - 1, .out = "the quick brown fox", .ret = 0, }, { .desc = "long", .in = "squeamish ossifrage", .dsz = sizeof "squeamish ossifrage" - 1, .s = "the quick brown fox jumps", .len = sizeof "the quick brown fox jumps" + 1, .out = "", .ret = EOVERFLOW, }, }; static int t_memcpy_s(char **desc CRYB_UNUSED, void *arg) { struct t_plain_case *t = arg; char buf[T_BUF_LEN]; int ret; memset(buf, 0, sizeof buf); strlcpy(buf, t->in, T_BUF_LEN); ret = memcpy_s(buf, t->dsz, t->s, t->len); return (t_compare_i(t->ret, ret) & t_compare_mem(t->out, buf, T_BUF_LEN)); } /*************************************************************************** * Overlapping test cases */ struct t_overlap_case { const char *desc; const char *in; size_t s_off, s_len, d_off, d_len; const char out[T_BUF_LEN]; int ret; }; static struct t_overlap_case t_overlap_cases[] = { { /* [<<<<<<<<<< >>>>>>>>>>] */ .desc = "left, disjoint", .in = "the magic words are squeamish ossifrage", .s_off = 0, .s_len = 15, .d_off = 16, .d_len = 23, .out = "the magic words the magic wordsssifrage", .ret = 0, }, { /* [<<<<<<<<<<>>>>>>>>>>] */ .desc = "left, adjoining", .in = "the magic words are squeamish ossifrage", .s_off = 0, .s_len = 16, .d_off = 16, .d_len = 23, .out = "the magic words the magic words sifrage", .ret = 0, }, { /* [>>>>>>>>>> <<<<<<<<<<] */ .desc = "right, disjoint", .in = "the magic words are squeamish ossifrage", .s_off = 20, .s_len = 19, .d_off = 0, .d_len = 19, .out = "squeamish ossifrage squeamish ossifrage", .ret = 0, }, { /* [>>>>>>>>>><<<<<<<<<<] */ .desc = "right, adjoining", .in = "the magic words are squeamish ossifrage", .s_off = 20, .s_len = 19, .d_off = 0, .d_len = 19, .out = "squeamish ossifrage squeamish ossifrage", .ret = 0, }, { /* [<<<<<<<>>>>>>>] */ .desc = "left, overlapping", .in = "the magic words are squeamish ossifrage", .s_off = 4, .s_len = 15, .d_off = 16, .d_len = 23, .out = "the magic words ", .ret = EINVAL, }, { /* [>>>>>>>>XXXX<<<<<<<<] */ .desc = "right, overlapping", .in = "the magic words are squeamish ossifrage", .s_off = 16, .s_len = 23, .d_off = 0, .d_len = 29, .out = "\0\0\0\0\0\0\0\0\0\0" "\0\0\0\0\0\0\0\0\0\0" "\0\0\0\0\0\0\0\0\0" " ossifrage", .ret = EINVAL, }, { /* [>>>>>>>>XXXX>>>>>>>>] */ .desc = "inside", .in = "the magic words are squeamish ossifrage", .s_off = 10, .s_len = 19, .d_off = 0, .d_len = 39, .out = "", .ret = EINVAL, }, { /* [<<<<<<< sz before overlap is noticed */ .desc = "outside", .in = "the magic words are squeamish ossifrage", .s_off = 0, .s_len = 39, .d_off = 10, .d_len = 19, .out = "the magic " "\0\0\0\0\0\0\0\0\0\0" "\0\0\0\0\0\0\0\0\0" " ossifrage", .ret = EOVERFLOW, }, { /* [XXXXXXXXXXXXXXXXXXXX] */ .desc = "full overlap", .in = "the magic words are squeamish ossifrage", .s_off = 10, .s_len = 19, .d_off = 10, .d_len = 19, .out = "the magic " "\0\0\0\0\0\0\0\0\0\0" "\0\0\0\0\0\0\0\0\0" " ossifrage", .ret = EINVAL, }, }; static int t_memcpy_s_overlap(char **desc CRYB_UNUSED, void *arg) { struct t_overlap_case *t = arg; char buf[T_BUF_LEN]; int ret; strlcpy(buf, t->in, sizeof buf); ret = memcpy_s(buf + t->d_off, t->d_len, buf + t->s_off, t->s_len); return (t_compare_i(t->ret, ret) & t_compare_mem(t->out, buf, T_BUF_LEN)); } /*************************************************************************** * NULL cases */ static int t_memcpy_s_null_d(char **desc CRYB_UNUSED, void *arg) { char buf[T_BUF_LEN]; int ret; (void)arg; memset(buf, 'x', sizeof buf); ret = memcpy_s(NULL, sizeof buf, buf, sizeof buf); return (t_compare_i(EINVAL, ret)); } static int t_memcpy_s_null_s(char **desc CRYB_UNUSED, void *arg) { char buf[T_BUF_LEN]; int ret; (void)arg; memset(buf, 0, sizeof buf); ret = memcpy_s(buf, sizeof buf, NULL, sizeof buf); return (t_compare_i(EINVAL, ret) & t_compare_mem(buf, t_zero, sizeof buf)); } /*************************************************************************** * Boilerplate */ int t_prepare(int argc, char *argv[]) { int i, n; (void)argc; (void)argv; t_add_test(t_memcpy_s_null_s, NULL, "null source"); t_add_test(t_memcpy_s_null_d, NULL, "null destination"); n = sizeof t_plain_cases / sizeof t_plain_cases[0]; for (i = 0; i < n; ++i) t_add_test(t_memcpy_s, &t_plain_cases[i], "%s", t_plain_cases[i].desc); n = sizeof t_overlap_cases / sizeof t_overlap_cases[0]; for (i = 0; i < n; ++i) t_add_test(t_memcpy_s_overlap, &t_overlap_cases[i], "%s", t_overlap_cases[i].desc); return (0); } int main(int argc, char *argv[]) { t_main(t_prepare, NULL, argc, argv); }