diff options
Diffstat (limited to 'librecrypt_realise_salts.c')
| -rw-r--r-- | librecrypt_realise_salts.c | 50 |
1 files changed, 31 insertions, 19 deletions
diff --git a/librecrypt_realise_salts.c b/librecrypt_realise_salts.c index 62bb2c3..eca3c4a 100644 --- a/librecrypt_realise_salts.c +++ b/librecrypt_realise_salts.c @@ -5,7 +5,7 @@ ssize_t librecrypt_realise_salts(char *restrict out_buffer, size_t size, const char *settings, - ssize_t (*rng)(void *out, size_t n, void *user), void *user) + ssize_t (*rng)(void *out, size_t n, void *user), void *user, void *reserved) { const char *lut; char pad; @@ -13,6 +13,12 @@ librecrypt_realise_salts(char *restrict out_buffer, size_t size, const char *set size_t i, min, nasterisks, prefix, ret = 0u; size_t count, digit, q, r, left, mid, right; + /* Ensure the reserved parameter is NULL */ + if (reserved != NULL) { + errno = EINVAL; + return -1; + } + /* If we are doing output, it should be NUL-terminated */ if (size) { nul_term = 1; @@ -40,7 +46,7 @@ librecrypt_realise_salts(char *restrict out_buffer, size_t size, const char *set } /* Get binary data encoding format */ - lut = librecrypt_get_encoding(settings, prefix, &pad, &strict_pad, 0); + lut = librecrypt_get_encoding(settings, prefix, &pad, &strict_pad, 0, reserved); if (!lut) return -1; pad = strict_pad ? pad : '\0'; @@ -203,15 +209,16 @@ main(void) char buf[1024], buf2[1024], conf[128]; size_t i; int r; + char reserved[1] = {0}; SET_UP_ALARM(); INIT_RESOURCE_TEST(); errno = 0; - EXPECT(librecrypt_realise_salts(NULL, 0u, "$~no~such~algorithm~$", NULL, NULL) == -1); + EXPECT(librecrypt_realise_salts(NULL, 0u, "$~no~such~algorithm~$", NULL, NULL, NULL) == -1); EXPECT(errno == ENOSYS); - EXPECT(librecrypt_realise_salts(NULL, 0u, "", NULL, NULL) == 0); + EXPECT(librecrypt_realise_salts(NULL, 0u, "", NULL, NULL, NULL) == 0); #if defined(SUPPORT_ARGON2ID) # define ALGO "$argon2id$" @@ -224,16 +231,21 @@ main(void) #endif #if defined(ALGO) + + errno = 0; + EXPECT(librecrypt_realise_salts(NULL, 0u, ALGO, NULL, NULL, reserved) == -1); + EXPECT(errno == EINVAL); + # define CHECK(IN, OUT)\ do {\ - EXPECT(librecrypt_realise_salts(NULL, 0u, (IN), NULL, NULL) == (ssize_t)sizeof(OUT) - 1);\ - EXPECT(librecrypt_realise_salts(buf, 0u, (IN), NULL, NULL) == (ssize_t)sizeof(OUT) - 1);\ + EXPECT(librecrypt_realise_salts(NULL, 0u, (IN), NULL, NULL, NULL) == (ssize_t)sizeof(OUT) - 1);\ + EXPECT(librecrypt_realise_salts(buf, 0u, (IN), NULL, NULL, NULL) == (ssize_t)sizeof(OUT) - 1);\ memset(buf, 99, sizeof(buf));\ - EXPECT(librecrypt_realise_salts(buf, sizeof(buf), (IN), &saltgen, &saltbyte) == (ssize_t)sizeof(OUT) - 1);\ + EXPECT(librecrypt_realise_salts(buf, sizeof(buf), (IN), &saltgen, &saltbyte, NULL) == (ssize_t)sizeof(OUT) - 1);\ EXPECT(!strcmp(buf, (OUT)));\ for (i = 0u; i < sizeof(OUT); i++) {\ memset(buf, 99, sizeof(buf));\ - EXPECT(librecrypt_realise_salts(buf, i + 1u, (IN), &saltgen, &saltbyte) == (ssize_t)sizeof(OUT) - 1);\ + EXPECT(librecrypt_realise_salts(buf, i + 1u, (IN), &saltgen, &saltbyte, NULL) == (ssize_t)sizeof(OUT) - 1);\ EXPECT(!memcmp(buf, (OUT), i));\ EXPECT(!buf[i]);\ }\ @@ -264,44 +276,44 @@ main(void) # undef CHECK errno = 0; - EXPECT(librecrypt_realise_salts(NULL, 0u, ALGO">$~no~such~algorithm~$", &saltgen, &saltbyte) == -1); + EXPECT(librecrypt_realise_salts(NULL, 0u, ALGO">$~no~such~algorithm~$", &saltgen, &saltbyte, NULL) == -1); EXPECT(errno == ENOSYS); errno = 0; - EXPECT(librecrypt_realise_salts(NULL, 0u, "$~no~such~algorithm~$>"ALGO, &saltgen, &saltbyte) == -1); + EXPECT(librecrypt_realise_salts(NULL, 0u, "$~no~such~algorithm~$>"ALGO, &saltgen, &saltbyte, NULL) == -1); EXPECT(errno == ENOSYS); errno = 0; - EXPECT(librecrypt_realise_salts(NULL, 0u, ALGO"*"LARGE"$", &saltgen, &saltbyte) == -1); + EXPECT(librecrypt_realise_salts(NULL, 0u, ALGO"*"LARGE"$", &saltgen, &saltbyte, NULL) == -1); EXPECT(errno == ERANGE); CANARY_FILL(buf); - EXPECT(librecrypt_realise_salts(buf, sizeof(ALGO) - 1u, ALGO"*3$", &saltfail, NULL) == (ssize_t)sizeof(ALGO"$") - 1 + 4); + EXPECT(librecrypt_realise_salts(buf, sizeof(ALGO) - 1u, ALGO"*3$", &saltfail, NULL, NULL) == (ssize_t)sizeof(ALGO"$") - 1 + 4); CANARY_CHECK(buf, sizeof(ALGO) - 1u); errno = 0; - EXPECT(librecrypt_realise_salts(buf, sizeof(buf), ALGO"*3$", &saltfail, NULL) == -1); + EXPECT(librecrypt_realise_salts(buf, sizeof(buf), ALGO"*3$", &saltfail, NULL, NULL) == -1); EXPECT(errno == EDOM); r = snprintf(conf, sizeof(conf), "%s*%zu$", ALGO, (size_t)SSIZE_MAX / 4u * 3u + 3u); assert(r > 0 && (size_t)r < sizeof(conf)); errno = 0; - EXPECT(librecrypt_realise_salts(NULL, 0u, conf, &saltgen, &saltbyte) == -1); + EXPECT(librecrypt_realise_salts(NULL, 0u, conf, &saltgen, &saltbyte, NULL) == -1); EXPECT(errno == ERANGE); r = snprintf(conf, sizeof(conf), "%s*%zu$", ALGO, (size_t)SSIZE_MAX / 4u * 3u); assert(r > 0 && (size_t)r < sizeof(conf)); errno = 0; - EXPECT(librecrypt_realise_salts(NULL, 0u, conf, &saltgen, &saltbyte) == -1); + EXPECT(librecrypt_realise_salts(NULL, 0u, conf, &saltgen, &saltbyte, NULL) == -1); EXPECT(errno == ERANGE); r = snprintf(conf, sizeof(conf), "%s*%zu$abcdef", ALGO, ((size_t)SSIZE_MAX - (sizeof(ALGO) - 1u)) / 4u * 3u); assert(r > 0 && (size_t)r < sizeof(conf)); errno = 0; - EXPECT(librecrypt_realise_salts(NULL, 0u, conf, &saltgen, &saltbyte) == -1); + EXPECT(librecrypt_realise_salts(NULL, 0u, conf, &saltgen, &saltbyte, NULL) == -1); EXPECT(errno == ERANGE); CANARY_FILL(buf); CANARY_FILL(buf2); - EXPECT(librecrypt_realise_salts(buf, sizeof(buf), ALGO"*30$", NULL, NULL) == (ssize_t)sizeof(ALGO"$") - 1 + 40); - EXPECT(librecrypt_realise_salts(buf2, sizeof(buf2), ALGO"*30$", NULL, NULL) == (ssize_t)sizeof(ALGO"$") - 1 + 40); + EXPECT(librecrypt_realise_salts(buf, sizeof(buf), ALGO"*30$", NULL, NULL, NULL) == (ssize_t)sizeof(ALGO"$") - 1 + 40); + EXPECT(librecrypt_realise_salts(buf2, sizeof(buf2), ALGO"*30$", NULL, NULL, NULL) == (ssize_t)sizeof(ALGO"$") - 1 + 40); EXPECT(!buf[sizeof(ALGO"$") - 1u + 40u]); EXPECT(!buf2[sizeof(ALGO"$") - 1u + 40u]); EXPECT(memcmp(buf, buf2, sizeof(ALGO"$") - 1u + 40u)); @@ -360,7 +372,7 @@ LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) memcpy(settings, data, size); settings[size] = '\0'; - r = librecrypt_realise_salts(out_buffer, out_size, settings, NULL, NULL); + r = librecrypt_realise_salts(out_buffer, out_size, settings, NULL, NULL, NULL); if (out_size && r >= 0) { assert(strlen(out_buffer) < out_size); assert((size_t)r >= strlen(out_buffer)); |