/* $NetBSD: t_vis.c,v 1.9.24.1 2023/12/09 13:03:34 martin Exp $ */ /*- * Copyright (c) 2002 The NetBSD Foundation, Inc. * All rights reserved. * * This code was contributed to The NetBSD Foundation by Christos Zoulas. * * 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. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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 #include #include #include #include #include static int styles[] = { VIS_OCTAL, VIS_CSTYLE, VIS_SP, VIS_TAB, VIS_NL, VIS_WHITE, VIS_SAFE, #if 0 /* Not reversible */ VIS_NOSLASH, #endif VIS_HTTP1808, VIS_MIMESTYLE, #if 0 /* Not supported by vis(3) */ VIS_HTTP1866, #endif }; #define SIZE 256 ATF_TC(strvis_basic); ATF_TC_HEAD(strvis_basic, tc) { atf_tc_set_md_var(tc, "descr", "Test strvis(3)"); } ATF_TC_BODY(strvis_basic, tc) { char *srcbuf, *dstbuf, *visbuf; unsigned int i, j; ATF_REQUIRE((dstbuf = malloc(SIZE)) != NULL); ATF_REQUIRE((srcbuf = malloc(SIZE)) != NULL); ATF_REQUIRE((visbuf = malloc(SIZE * 4 + 1)) != NULL); for (i = 0; i < SIZE; i++) srcbuf[i] = (char)i; for (i = 0; i < __arraycount(styles); i++) { ATF_REQUIRE(strsvisx(visbuf, srcbuf, SIZE, styles[i], "") > 0); memset(dstbuf, 0, SIZE); ATF_REQUIRE(strunvisx(dstbuf, visbuf, styles[i] & (VIS_HTTP1808|VIS_MIMESTYLE)) > 0); for (j = 0; j < SIZE; j++) if (dstbuf[j] != (char)j) atf_tc_fail_nonfatal("Failed for style %x, " "char %d [%d]", styles[i], j, dstbuf[j]); } free(dstbuf); free(srcbuf); free(visbuf); } ATF_TC(strvis_null); ATF_TC_HEAD(strvis_null, tc) { atf_tc_set_md_var(tc, "descr", "Test strvis(3) NULL"); } ATF_TC_BODY(strvis_null, tc) { char dst[] = "fail"; strvis(dst, NULL, VIS_SAFE); ATF_REQUIRE(dst[0] == '\0' && dst[1] == 'a'); } ATF_TC(strvis_empty); ATF_TC_HEAD(strvis_empty, tc) { atf_tc_set_md_var(tc, "descr", "Test strvis(3) empty"); } ATF_TC_BODY(strvis_empty, tc) { char dst[] = "fail"; strvis(dst, "", VIS_SAFE); ATF_REQUIRE(dst[0] == '\0' && dst[1] == 'a'); } ATF_TC(strnvis_empty_empty); ATF_TC_HEAD(strnvis_empty_empty, tc) { atf_tc_set_md_var(tc, "descr", "Test strnvis(3) with empty source and destination"); } ATF_TC_BODY(strnvis_empty_empty, tc) { char dst[] = "fail"; int n; n = strnvis(dst, 0, "", VIS_SAFE); ATF_CHECK(memcmp(dst, "fail", sizeof(dst)) == 0); ATF_CHECK_EQ_MSG(n, -1, "n=%d", n); } ATF_TC(strunvis_hex); ATF_TC_HEAD(strunvis_hex, tc) { atf_tc_set_md_var(tc, "descr", "Test strunvis(3) \\xXX"); } ATF_TC_BODY(strunvis_hex, tc) { static const struct { const char *e; const char *d; int error; } ed[] = { { "\\xff", "\xff", 1 }, { "\\x1", "\x1", 1 }, { "\\x1\\x02", "\x1\x2", 2 }, { "\\x1x", "\x1x", 2 }, { "\\xx", "", -1 }, }; char uv[10]; for (size_t i = 0; i < __arraycount(ed); i++) { ATF_REQUIRE(strunvis(uv, ed[i].e) == ed[i].error); if (ed[i].error > 0) ATF_REQUIRE(memcmp(ed[i].d, uv, ed[i].error) == 0); } } #ifdef VIS_NOLOCALE ATF_TC(strvis_locale); ATF_TC_HEAD(strvis_locale, tc) { atf_tc_set_md_var(tc, "descr", "Test strvis(3) with locale"); } ATF_TC_BODY(strvis_locale, tc) { char s[256], cd[sizeof(s) * 4 + 1], jd[sizeof(cd)], *ol; int jr, cr; for (size_t i = 0; i < sizeof(s) - 1; i++) s[i] = i + 1; s[sizeof(s) - 1] = '\0'; ol = setlocale(LC_CTYPE, "ja_JP.UTF-8"); ATF_REQUIRE(ol != NULL); jr = strvisx(jd, s, sizeof(s), VIS_WHITE | VIS_NOLOCALE); ATF_REQUIRE(jr != -1); ol = strdup(ol); ATF_REQUIRE(ol != NULL); ATF_REQUIRE(setlocale(LC_CTYPE, "C") != NULL); cr = strvisx(cd, s, sizeof(s), VIS_WHITE); ATF_REQUIRE(jr == cr); ATF_REQUIRE(memcmp(jd, cd, jr) == 0); setlocale(LC_CTYPE, ol); free(ol); } #endif /* VIS_NOLOCALE */ #define STRVIS_OVERFLOW_MARKER ((char)0xff) /* Arbitrary */ #ifdef VIS_NOLOCALE ATF_TC(strvis_overflow_mb); ATF_TC_HEAD(strvis_overflow_mb, tc) { atf_tc_set_md_var(tc, "descr", "Test strvis(3) multi-byte overflow"); } ATF_TC_BODY(strvis_overflow_mb, tc) { const char src[] = "\xf0\x9f\xa5\x91"; /* Extra byte to detect overflow */ char dst[sizeof(src) + 1]; unsigned i; int n; setlocale(LC_CTYPE, "en_US.UTF-8"); for (i = 0; i < sizeof(dst) - 1; i++) { memset(dst, STRVIS_OVERFLOW_MARKER, sizeof(dst)); n = strnvis(dst, i, src, VIS_SAFE); ATF_CHECK_EQ_MSG(dst[i], STRVIS_OVERFLOW_MARKER, "[%u] dst=[%02hhx %02hhx %02hhx %02hhx %02hhx]" " STRVIS_OVERFLOW_MARKER=%02hhx", i, dst[0], dst[1], dst[2], dst[3], dst[4], STRVIS_OVERFLOW_MARKER); ATF_CHECK_EQ_MSG(n, -1, "[%u] n=%d", i, n); } memset(dst, STRVIS_OVERFLOW_MARKER, sizeof(dst)); n = strnvis(dst, sizeof(dst) - 1, src, VIS_SAFE); ATF_CHECK_EQ_MSG(dst[sizeof(dst) - 1], STRVIS_OVERFLOW_MARKER, "[%u] dst=[%02hhx %02hhx %02hhx %02hhx %02hhx %02hhx]" " STRVIS_OVERFLOW_MARKER=%02hhx", i, dst[0], dst[1], dst[2], dst[3], dst[4], dst[5], STRVIS_OVERFLOW_MARKER); ATF_CHECK_EQ_MSG(n, (int)sizeof(dst) - 2, "n=%d", n); } #endif ATF_TC(strvis_overflow_c); ATF_TC_HEAD(strvis_overflow_c, tc) { atf_tc_set_md_var(tc, "descr", "Test strvis(3) C locale overflow"); } ATF_TC_BODY(strvis_overflow_c, tc) { const char src[] = "AAAA"; /* Extra byte to detect overflow */ char dst[sizeof(src) + 1]; unsigned i; int n; for (i = 0; i < sizeof(dst) - 1; i++) { memset(dst, STRVIS_OVERFLOW_MARKER, sizeof(dst)); n = strnvis(dst, i, src, VIS_SAFE | VIS_NOLOCALE); ATF_CHECK_EQ_MSG(dst[i], STRVIS_OVERFLOW_MARKER, "[%u] dst=[%02hhx %02hhx %02hhx %02hhx %02hhx]" " STRVIS_OVERFLOW_MARKER=%02hhx", i, dst[0], dst[1], dst[2], dst[3], dst[4], STRVIS_OVERFLOW_MARKER); ATF_CHECK_EQ_MSG(n, -1, "[%u] n=%d", i, n); } memset(dst, STRVIS_OVERFLOW_MARKER, sizeof(dst)); n = strnvis(dst, sizeof(dst) - 1, src, VIS_SAFE | VIS_NOLOCALE); ATF_CHECK_EQ_MSG(dst[sizeof(dst) - 1], STRVIS_OVERFLOW_MARKER, "[%u] dst=[%02hhx %02hhx %02hhx %02hhx %02hhx %02hhx]" " STRVIS_OVERFLOW_MARKER=%02hhx", i, dst[0], dst[1], dst[2], dst[3], dst[4], dst[5], STRVIS_OVERFLOW_MARKER); ATF_CHECK_EQ_MSG(n, (int)sizeof(dst) - 2, "n=%d", n); } ATF_TP_ADD_TCS(tp) { ATF_TP_ADD_TC(tp, strvis_basic); ATF_TP_ADD_TC(tp, strvis_null); ATF_TP_ADD_TC(tp, strvis_empty); ATF_TP_ADD_TC(tp, strnvis_empty_empty); ATF_TP_ADD_TC(tp, strunvis_hex); #ifdef VIS_NOLOCALE ATF_TP_ADD_TC(tp, strvis_locale); ATF_TP_ADD_TC(tp, strvis_overflow_mb); #endif /* VIS_NOLOCALE */ ATF_TP_ADD_TC(tp, strvis_overflow_c); return atf_no_error(); }