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| author | Mattias Andrée <m@maandree.se> | 2026-05-14 22:20:02 +0200 |
|---|---|---|
| committer | Mattias Andrée <m@maandree.se> | 2026-05-14 22:20:02 +0200 |
| commit | f07a9f80fb6f3099d75534c1e64f448d4b397931 (patch) | |
| tree | 30ebf4afafb0e66226fa7f642db083341c8c96e4 /librecrypt_make_settings.c | |
| parent | librecrypt.h: add @since (diff) | |
| download | librecrypt-f07a9f80fb6f3099d75534c1e64f448d4b397931.tar.gz librecrypt-f07a9f80fb6f3099d75534c1e64f448d4b397931.tar.bz2 librecrypt-f07a9f80fb6f3099d75534c1e64f448d4b397931.tar.xz | |
Fix minor errors in the test and check that we are not writing out of bounds
Signed-off-by: Mattias Andrée <m@maandree.se>
Diffstat (limited to 'librecrypt_make_settings.c')
| -rw-r--r-- | librecrypt_make_settings.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/librecrypt_make_settings.c b/librecrypt_make_settings.c index 7688061..5bdc6f5 100644 --- a/librecrypt_make_settings.c +++ b/librecrypt_make_settings.c @@ -97,40 +97,48 @@ main(void) #if defined(SUPPORT_ARGON2I) saltbyte = 0u; + CANARY_FILL(buf); r = librecrypt_make_settings(buf, sizeof(buf), "$argon2i$", 8192u << 10, (uintmax_t)81920u, 1, &saltgen, &saltbyte); EXPECT(r > 0 && (size_t)r < sizeof(buf)); EXPECT(!buf[r] && (size_t)r == strlen(buf)); EXPECT(!strcmp(buf, "$argon2i$v=19$m=8192,t=10,p=1$AAAAAAAAAAAAAAAAAAAAAA$*32")); + CANARY_CHECK(buf, (size_t)r + 1u); any_supported = 1; any_salted = 1; #endif #if defined(SUPPORT_ARGON2D) saltbyte = 0u; + CANARY_FILL(buf); r = librecrypt_make_settings(buf, sizeof(buf), "$argon2d$", 8192u << 10, (uintmax_t)81920u, 1, &saltgen, &saltbyte); EXPECT(r > 0 && (size_t)r < sizeof(buf)); EXPECT(!buf[r] && (size_t)r == strlen(buf)); EXPECT(!strcmp(buf, "$argon2d$v=19$m=8192,t=10,p=1$AAAAAAAAAAAAAAAAAAAAAA$*32")); + CANARY_CHECK(buf, (size_t)r + 1u); any_supported = 1; any_salted = 1; #endif #if defined(SUPPORT_ARGON2ID) saltbyte = 0u; + CANARY_FILL(buf); r = librecrypt_make_settings(buf, sizeof(buf), "$argon2id$", 8192u << 10, (uintmax_t)81920u, 1, &saltgen, &saltbyte); EXPECT(r > 0 && (size_t)r < sizeof(buf)); EXPECT(!buf[r] && (size_t)r == strlen(buf)); EXPECT(!strcmp(buf, "$argon2id$v=19$m=8192,t=10,p=1$AAAAAAAAAAAAAAAAAAAAAA$*32")); + CANARY_CHECK(buf, (size_t)r + 1u); any_supported = 1; any_salted = 1; #endif #if defined(SUPPORT_ARGON2DS) saltbyte = 0u; + CANARY_FILL(buf); r = librecrypt_make_settings(buf, sizeof(buf), "$argon2ds$", 8192u << 10, (uintmax_t)81920u, 1, &saltgen, &saltbyte); EXPECT(r > 0 && (size_t)r < sizeof(buf)); EXPECT(!buf[r] && (size_t)r == strlen(buf)); EXPECT(!strcmp(buf, "$argon2ds$v=19$m=8192,t=10,p=1$AAAAAAAAAAAAAAAAAAAAAA$*32")); + CANARY_CHECK(buf, (size_t)r + 1u); any_supported = 1; any_salted = 1; #endif @@ -147,26 +155,38 @@ main(void) EXPECT(librecrypt_make_settings(buf, sizeof(buf), NULL, 0u, 0u, 1, &saltfail, NULL) > 0); } + CANARY_FILL(buf); + CANARY_FILL(buf2); r = librecrypt_make_settings(buf, sizeof(buf), NULL, 0u, 0u, 0, &saltfail, NULL); EXPECT(r > 0 && (size_t)r < sizeof(buf)); EXPECT(!buf[r] && (size_t)r == strlen(buf)); EXPECT(librecrypt_make_settings(buf2, sizeof(buf2), NULL, 0u, 0u, 0, &saltfail, NULL) == r); EXPECT(!buf2[r] && (size_t)r == strlen(buf2)); EXPECT(!strcmp(buf, buf2)); + CANARY_CHECK(buf, (size_t)r + 1u); + CANARY_CHECK(buf2, (size_t)r + 1u); + CANARY_FILL(buf); + CANARY_FILL(buf2); r = librecrypt_make_settings(buf, sizeof(buf), NULL, 0u, 0u, 0, NULL, NULL); EXPECT(r > 0 && (size_t)r < sizeof(buf)); EXPECT(!buf[r] && (size_t)r == strlen(buf)); EXPECT(librecrypt_make_settings(buf2, sizeof(buf2), NULL, 0u, 0u, 0, NULL, NULL) == r); EXPECT(!buf2[r] && (size_t)r == strlen(buf2)); EXPECT(!strcmp(buf, buf2)); + CANARY_CHECK(buf, (size_t)r + 1u); + CANARY_CHECK(buf2, (size_t)r + 1u); + CANARY_FILL(buf); + CANARY_FILL(buf2); r = librecrypt_make_settings(buf, sizeof(buf), NULL, 0u, 0u, 1, NULL, NULL); EXPECT(r > 0 && (size_t)r < sizeof(buf)); EXPECT(!buf[r] && (size_t)r == strlen(buf)); EXPECT(librecrypt_make_settings(buf2, sizeof(buf2), NULL, 0u, 0u, 1, NULL, NULL) == r); EXPECT(!buf2[r] && (size_t)r == strlen(buf2)); EXPECT(strcmp(buf, buf2)); + CANARY_CHECK(buf, (size_t)r + 1u); + CANARY_CHECK(buf2, (size_t)r + 1u); } else { errno = 0; EXPECT(librecrypt_make_settings(NULL, 0u, NULL, 0u, 0u, 0, NULL, NULL) == -1); |