diff options
Diffstat (limited to 'asn1c/tests/check-24.c')
-rw-r--r-- | asn1c/tests/check-24.c | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/asn1c/tests/check-24.c b/asn1c/tests/check-24.c new file mode 100644 index 00000000..b74ca165 --- /dev/null +++ b/asn1c/tests/check-24.c @@ -0,0 +1,94 @@ +#undef NDEBUG +#include <stdio.h> +#include <stdlib.h> +#include <sys/types.h> +#include <string.h> +#include <assert.h> + +#include <T.h> + +uint8_t buf1[] = { + 32 | ((2 << 6) + 5), /* [5], constructed */ + 17, /* L */ + 32 | 16, /* [UNIVERSAL 16], constructed */ + 15, /* L */ + /* INTEGER a */ + 2, /* [UNIVERSAL 2] */ + 2, /* L */ + 150, + 70, + /* INTEGER b */ + ((2 << 6) + 0), /* [0] */ + 1, /* L */ + 123, + /* INTEGER c */ + ((2 << 6) + 1), /* [1] */ + 1, /* L */ + 123, + /* INTEGER d */ + 32 | ((2 << 6) + 5), /* [5], constructed */ + 3, + 2, + 1, /* L */ + 123, +}; + +static void +check(int is_ok, uint8_t *buf, int size, int consumed) { + T_t t, *tp; + ber_dec_rval_t rval; + + tp = memset(&t, 0, sizeof(t)); + + fprintf(stderr, "Buf %p\n", buf); + rval = ber_decode(&asn1_DEF_T, (void **)&tp, buf, size); + fprintf(stderr, "Returned code %d, consumed %d\n", + (int)rval.code, (int)rval.consumed); + + if(is_ok) { + assert(rval.code == RC_OK); + assert(rval.consumed == consumed); + } else { + if(rval.code == RC_OK) { + assert(t.a.size != 2 + || (!t.b || t.b->size != 1) + || (!t.c || t.c->size != 1) + || t.d.size != 1 + ); + } + assert(rval.consumed <= consumed); + } +} + +static void +try_corrupt(uint8_t *buf, int size) { + uint8_t *tmp; + int i; + + fprintf(stderr, "\nCorrupting...\n"); + + tmp = alloca(size); + + for(i = 0; i < 1000; i++) { + int loc; + memcpy(tmp, buf, size); + + /* Corrupt random _non-value_ location. */ + do { loc = random() % size; } while(tmp[loc] >= 70); + do { tmp[loc] ^= random(); } while(tmp[loc] == buf[loc]); + + fprintf(stderr, "\nTry %d: corrupting byte %d (%d->%d)\n", + i, loc, buf[loc], tmp[loc]); + + check(0, tmp, size, size); + } +} + +int +main(int ac, char **av) { + + check(1, buf1, sizeof(buf1), sizeof(buf1)); + try_corrupt(buf1, sizeof(buf1)); + + return 0; +} |