src/test/test-hexdecoct.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2
   3 #include <errno.h>
   4
   5 #include "alloc-util.h"
   6 #include "hexdecoct.h"
   7 #include "macro.h"
   8 #include "string-util.h"
   9
  10 static void test_hexchar(void) {
  11         assert_se(hexchar(0xa) == 'a');
  12         assert_se(hexchar(0x0) == '0');
  13 }
  14
  15 static void test_unhexchar(void) {
  16         assert_se(unhexchar('a') == 0xA);
  17         assert_se(unhexchar('A') == 0xA);
  18         assert_se(unhexchar('0') == 0x0);
  19 }
  20
  21 static void test_base32hexchar(void) {
  22         assert_se(base32hexchar(0) == '0');
  23         assert_se(base32hexchar(9) == '9');
  24         assert_se(base32hexchar(10) == 'A');
  25         assert_se(base32hexchar(31) == 'V');
  26 }
  27
  28 static void test_unbase32hexchar(void) {
  29         assert_se(unbase32hexchar('0') == 0);
  30         assert_se(unbase32hexchar('9') == 9);
  31         assert_se(unbase32hexchar('A') == 10);
  32         assert_se(unbase32hexchar('V') == 31);
  33         assert_se(unbase32hexchar('=') == -EINVAL);
  34 }
  35
  36 static void test_base64char(void) {
  37         assert_se(base64char(0) == 'A');
  38         assert_se(base64char(26) == 'a');
  39         assert_se(base64char(63) == '/');
  40 }
  41
  42 static void test_unbase64char(void) {
  43         assert_se(unbase64char('A') == 0);
  44         assert_se(unbase64char('Z') == 25);
  45         assert_se(unbase64char('a') == 26);
  46         assert_se(unbase64char('z') == 51);
  47         assert_se(unbase64char('0') == 52);
  48         assert_se(unbase64char('9') == 61);
  49         assert_se(unbase64char('+') == 62);
  50         assert_se(unbase64char('/') == 63);
  51         assert_se(unbase64char('=') == -EINVAL);
  52 }
  53
  54 static void test_octchar(void) {
  55         assert_se(octchar(00) == '0');
  56         assert_se(octchar(07) == '7');
  57 }
  58
  59 static void test_unoctchar(void) {
  60         assert_se(unoctchar('0') == 00);
  61         assert_se(unoctchar('7') == 07);
  62 }
  63
  64 static void test_decchar(void) {
  65         assert_se(decchar(0) == '0');
  66         assert_se(decchar(9) == '9');
  67 }
  68
  69 static void test_undecchar(void) {
  70         assert_se(undecchar('0') == 0);
  71         assert_se(undecchar('9') == 9);
  72 }
  73
  74 static void test_unhexmem_one(const char *s, size_t l, int retval) {
  75         _cleanup_free_ char *hex = NULL;
  76         _cleanup_free_ void *mem = NULL;
  77         size_t len;
  78
  79         assert_se(unhexmem(s, l, &mem, &len) == retval);
  80         if (retval == 0) {
  81                 char *answer;
  82
  83                 if (l == (size_t) -1)
  84                         l = strlen(s);
  85
  86                 assert_se(hex = hexmem(mem, len));
  87                 answer = strndupa(s, l);
  88                 assert_se(streq(delete_chars(answer, WHITESPACE), hex));
  89         }
  90 }
  91
  92 static void test_unhexmem(void) {
  93         const char *hex = "efa2149213";
  94         const char *hex_space = "  e f   a\n 2\r  14\n\r\t9\t2 \n1\r3 \r\r\t";
  95         const char *hex_invalid = "efa214921o";
  96
  97         test_unhexmem_one(NULL, 0, 0);
  98         test_unhexmem_one("", 0, 0);
  99         test_unhexmem_one("", (size_t) -1, 0);
 100         test_unhexmem_one("   \n \t\r   \t\t \n\n\n", (size_t) -1, 0);
 101         test_unhexmem_one(hex_invalid, strlen(hex_invalid), -EINVAL);
 102         test_unhexmem_one(hex_invalid, (size_t) - 1, -EINVAL);
 103         test_unhexmem_one(hex, strlen(hex) - 1, -EPIPE);
 104         test_unhexmem_one(hex, strlen(hex), 0);
 105         test_unhexmem_one(hex, (size_t) -1, 0);
 106         test_unhexmem_one(hex_space, strlen(hex_space), 0);
 107         test_unhexmem_one(hex_space, (size_t) -1, 0);
 108 }
 109
 110 /* https://tools.ietf.org/html/rfc4648#section-10 */
 111 static void test_base32hexmem(void) {
 112         char *b32;
 113
 114         b32 = base32hexmem("", STRLEN(""), true);
 115         assert_se(b32);
 116         assert_se(streq(b32, ""));
 117         free(b32);
 118
 119         b32 = base32hexmem("f", STRLEN("f"), true);
 120         assert_se(b32);
 121         assert_se(streq(b32, "CO======"));
 122         free(b32);
 123
 124         b32 = base32hexmem("fo", STRLEN("fo"), true);
 125         assert_se(b32);
 126         assert_se(streq(b32, "CPNG===="));
 127         free(b32);
 128
 129         b32 = base32hexmem("foo", STRLEN("foo"), true);
 130         assert_se(b32);
 131         assert_se(streq(b32, "CPNMU==="));
 132         free(b32);
 133
 134         b32 = base32hexmem("foob", STRLEN("foob"), true);
 135         assert_se(b32);
 136         assert_se(streq(b32, "CPNMUOG="));
 137         free(b32);
 138
 139         b32 = base32hexmem("fooba", STRLEN("fooba"), true);
 140         assert_se(b32);
 141         assert_se(streq(b32, "CPNMUOJ1"));
 142         free(b32);
 143
 144         b32 = base32hexmem("foobar", STRLEN("foobar"), true);
 145         assert_se(b32);
 146         assert_se(streq(b32, "CPNMUOJ1E8======"));
 147         free(b32);
 148
 149         b32 = base32hexmem("", STRLEN(""), false);
 150         assert_se(b32);
 151         assert_se(streq(b32, ""));
 152         free(b32);
 153
 154         b32 = base32hexmem("f", STRLEN("f"), false);
 155         assert_se(b32);
 156         assert_se(streq(b32, "CO"));
 157         free(b32);
 158
 159         b32 = base32hexmem("fo", STRLEN("fo"), false);
 160         assert_se(b32);
 161         assert_se(streq(b32, "CPNG"));
 162         free(b32);
 163
 164         b32 = base32hexmem("foo", STRLEN("foo"), false);
 165         assert_se(b32);
 166         assert_se(streq(b32, "CPNMU"));
 167         free(b32);
 168
 169         b32 = base32hexmem("foob", STRLEN("foob"), false);
 170         assert_se(b32);
 171         assert_se(streq(b32, "CPNMUOG"));
 172         free(b32);
 173
 174         b32 = base32hexmem("fooba", STRLEN("fooba"), false);
 175         assert_se(b32);
 176         assert_se(streq(b32, "CPNMUOJ1"));
 177         free(b32);
 178
 179         b32 = base32hexmem("foobar", STRLEN("foobar"), false);
 180         assert_se(b32);
 181         assert_se(streq(b32, "CPNMUOJ1E8"));
 182         free(b32);
 183 }
 184
 185 static void test_unbase32hexmem_one(const char *hex, bool padding, int retval, const char *ans) {
 186         _cleanup_free_ void *mem = NULL;
 187         size_t len;
 188
 189         assert_se(unbase32hexmem(hex, (size_t) -1, padding, &mem, &len) == retval);
 190         if (retval == 0) {
 191                 char *str;
 192
 193                 str = strndupa(mem, len);
 194                 assert_se(streq(str, ans));
 195         }
 196 }
 197
 198 static void test_unbase32hexmem(void) {
 199         test_unbase32hexmem_one("", true, 0, "");
 200
 201         test_unbase32hexmem_one("CO======", true, 0, "f");
 202         test_unbase32hexmem_one("CPNG====", true, 0, "fo");
 203         test_unbase32hexmem_one("CPNMU===", true, 0, "foo");
 204         test_unbase32hexmem_one("CPNMUOG=", true, 0, "foob");
 205         test_unbase32hexmem_one("CPNMUOJ1", true, 0, "fooba");
 206         test_unbase32hexmem_one("CPNMUOJ1E8======", true, 0, "foobar");
 207
 208         test_unbase32hexmem_one("A", true, -EINVAL, NULL);
 209         test_unbase32hexmem_one("A=======", true, -EINVAL, NULL);
 210         test_unbase32hexmem_one("AAA=====", true, -EINVAL, NULL);
 211         test_unbase32hexmem_one("AAAAAA==", true, -EINVAL, NULL);
 212         test_unbase32hexmem_one("AB======", true, -EINVAL, NULL);
 213         test_unbase32hexmem_one("AAAB====", true, -EINVAL, NULL);
 214         test_unbase32hexmem_one("AAAAB===", true, -EINVAL, NULL);
 215         test_unbase32hexmem_one("AAAAAAB=", true, -EINVAL, NULL);
 216
 217         test_unbase32hexmem_one("XPNMUOJ1", true, -EINVAL, NULL);
 218         test_unbase32hexmem_one("CXNMUOJ1", true, -EINVAL, NULL);
 219         test_unbase32hexmem_one("CPXMUOJ1", true, -EINVAL, NULL);
 220         test_unbase32hexmem_one("CPNXUOJ1", true, -EINVAL, NULL);
 221         test_unbase32hexmem_one("CPNMXOJ1", true, -EINVAL, NULL);
 222         test_unbase32hexmem_one("CPNMUXJ1", true, -EINVAL, NULL);
 223         test_unbase32hexmem_one("CPNMUOX1", true, -EINVAL, NULL);
 224         test_unbase32hexmem_one("CPNMUOJX", true, -EINVAL, NULL);
 225
 226         test_unbase32hexmem_one("", false, 0, "");
 227         test_unbase32hexmem_one("CO", false, 0, "f");
 228         test_unbase32hexmem_one("CPNG", false, 0, "fo");
 229         test_unbase32hexmem_one("CPNMU", false, 0, "foo");
 230         test_unbase32hexmem_one("CPNMUOG", false, 0, "foob");
 231         test_unbase32hexmem_one("CPNMUOJ1", false, 0, "fooba");
 232         test_unbase32hexmem_one("CPNMUOJ1E8", false, 0, "foobar");
 233         test_unbase32hexmem_one("CPNMUOG=", false, -EINVAL, NULL);
 234         test_unbase32hexmem_one("CPNMUOJ1E8======", false, -EINVAL, NULL);
 235
 236         test_unbase32hexmem_one("A", false, -EINVAL, NULL);
 237         test_unbase32hexmem_one("A", false, -EINVAL, NULL);
 238         test_unbase32hexmem_one("AAA", false, -EINVAL, NULL);
 239         test_unbase32hexmem_one("AAAAAA", false, -EINVAL, NULL);
 240         test_unbase32hexmem_one("AB", false, -EINVAL, NULL);
 241         test_unbase32hexmem_one("AAAB", false, -EINVAL, NULL);
 242         test_unbase32hexmem_one("AAAAB", false, -EINVAL, NULL);
 243         test_unbase32hexmem_one("AAAAAAB", false, -EINVAL, NULL);
 244 }
 245
 246 /* https://tools.ietf.org/html/rfc4648#section-10 */
 247 static void test_base64mem(void) {
 248         char *b64;
 249
 250         assert_se(base64mem("", STRLEN(""), &b64) == 0);
 251         assert_se(streq(b64, ""));
 252         free(b64);
 253
 254         assert_se(base64mem("f", STRLEN("f"), &b64) == 4);
 255         assert_se(streq(b64, "Zg=="));
 256         free(b64);
 257
 258         assert_se(base64mem("fo", STRLEN("fo"), &b64) == 4);
 259         assert_se(streq(b64, "Zm8="));
 260         free(b64);
 261
 262         assert_se(base64mem("foo", STRLEN("foo"), &b64) == 4);
 263         assert_se(streq(b64, "Zm9v"));
 264         free(b64);
 265
 266         assert_se(base64mem("foob", STRLEN("foob"), &b64) == 8);
 267         assert_se(streq(b64, "Zm9vYg=="));
 268         free(b64);
 269
 270         assert_se(base64mem("fooba", STRLEN("fooba"), &b64) == 8);
 271         assert_se(streq(b64, "Zm9vYmE="));
 272         free(b64);
 273
 274         assert_se(base64mem("foobar", STRLEN("foobar"), &b64) == 8);
 275         assert_se(streq(b64, "Zm9vYmFy"));
 276         free(b64);
 277 }
 278
 279 static void test_unbase64mem_one(const char *input, const char *output, int ret) {
 280         _cleanup_free_ void *buffer = NULL;
 281         size_t size = 0;
 282
 283         assert_se(unbase64mem(input, (size_t) -1, &buffer, &size) == ret);
 284
 285         if (ret >= 0) {
 286                 assert_se(size == strlen(output));
 287                 assert_se(memcmp(buffer, output, size) == 0);
 288                 assert_se(((char*) buffer)[size] == 0);
 289         }
 290 }
 291
 292 static void test_unbase64mem(void) {
 293
 294         test_unbase64mem_one("", "", 0);
 295         test_unbase64mem_one("Zg==", "f", 0);
 296         test_unbase64mem_one("Zm8=", "fo", 0);
 297         test_unbase64mem_one("Zm9v", "foo", 0);
 298         test_unbase64mem_one("Zm9vYg==", "foob", 0);
 299         test_unbase64mem_one("Zm9vYmE=", "fooba", 0);
 300         test_unbase64mem_one("Zm9vYmFy", "foobar", 0);
 301
 302         test_unbase64mem_one(" ", "", 0);
 303         test_unbase64mem_one(" \n\r ", "", 0);
 304         test_unbase64mem_one("    Zg\n==       ", "f", 0);
 305         test_unbase64mem_one(" Zm 8=\r", "fo", 0);
 306         test_unbase64mem_one("  Zm9\n\r\r\nv   ", "foo", 0);
 307         test_unbase64mem_one(" Z m9vYg==\n\r", "foob", 0);
 308         test_unbase64mem_one(" Zm 9vYmE=   ", "fooba", 0);
 309         test_unbase64mem_one("   Z m9v    YmFy   ", "foobar", 0);
 310
 311         test_unbase64mem_one("A", NULL, -EPIPE);
 312         test_unbase64mem_one("A====", NULL, -EINVAL);
 313         test_unbase64mem_one("AAB==", NULL, -EINVAL);
 314         test_unbase64mem_one(" A A A B = ", NULL, -EINVAL);
 315         test_unbase64mem_one(" Z m 8 = q u u x ", NULL, -ENAMETOOLONG);
 316 }
 317
 318 static void test_hexdump(void) {
 319         uint8_t data[146];
 320         unsigned i;
 321
 322         hexdump(stdout, NULL, 0);
 323         hexdump(stdout, "", 0);
 324         hexdump(stdout, "", 1);
 325         hexdump(stdout, "x", 1);
 326         hexdump(stdout, "x", 2);
 327         hexdump(stdout, "foobar", 7);
 328         hexdump(stdout, "f\nobar", 7);
 329         hexdump(stdout, "xxxxxxxxxxxxxxxxxxxxyz", 23);
 330
 331         for (i = 0; i < ELEMENTSOF(data); i++)
 332                 data[i] = i*2;
 333
 334         hexdump(stdout, data, sizeof(data));
 335 }
 336
 337 int main(int argc, char *argv[]) {
 338         test_hexchar();
 339         test_unhexchar();
 340         test_base32hexchar();
 341         test_unbase32hexchar();
 342         test_base64char();
 343         test_unbase64char();
 344         test_octchar();
 345         test_unoctchar();
 346         test_decchar();
 347         test_undecchar();
 348         test_unhexmem();
 349         test_base32hexmem();
 350         test_unbase32hexmem();
 351         test_base64mem();
 352         test_unbase64mem();
 353         test_hexdump();
 354
 355         return 0;
 356 }