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upstream: unit tests for sshbuf_peek/poke bounds-checked random access 

functions. ok markus@

OpenBSD-Regress-ID: 034c4284b1da6b12e25c762a6b958efacdafbaef
This commit is contained in:
djm@openbsd.org 2019-07-14 23:33:19 +00:00 committed by Damien Miller
parent 101d164723
commit 121e48fa53
1 changed files with 230 additions and 1 deletions
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231
regress/unittests/sshbuf/test_sshbuf_getput_basic.c
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@ -1,4 +1,4 @@
/* $OpenBSD: test_sshbuf_getput_basic.c,v 1.1 2014/04/30 05:32:00 djm Exp $ */
/* $OpenBSD: test_sshbuf_getput_basic.c,v 1.2 2019/07/14 23:33:19 djm Exp $ */
/*
* Regress test for sshbuf.h buffer API
*
@ -481,4 +481,233 @@ sshbuf_getput_basic_tests(void)
ASSERT_MEM_EQ(sshbuf_ptr(p1), bn_exp3, sizeof(bn_exp3));
sshbuf_free(p1);
TEST_DONE();
TEST_START("sshbuf_peek_u64");
p1 = sshbuf_new();
ASSERT_PTR_NE(p1, NULL);
ASSERT_INT_EQ(sshbuf_put(p1, x, sizeof(x)), 0);
ASSERT_INT_EQ(sshbuf_peek_u64(p1, 0, &v64), 0);
ASSERT_U64_EQ(v64, 0x1122334455667788ULL);
ASSERT_INT_EQ(sshbuf_peek_u64(p1, 2, &v64), 0);
ASSERT_U64_EQ(v64, 0x3344556677880099ULL);
ASSERT_INT_EQ(sshbuf_peek_u64(p1, 3, &v64), SSH_ERR_MESSAGE_INCOMPLETE);
ASSERT_INT_EQ(sshbuf_peek_u64(p1, sizeof(x), &v64),
SSH_ERR_MESSAGE_INCOMPLETE);
ASSERT_INT_EQ(sshbuf_peek_u64(p1, 1000, &v64),
SSH_ERR_MESSAGE_INCOMPLETE);
sshbuf_free(p1);
TEST_DONE();
TEST_START("sshbuf_peek_u32");
p1 = sshbuf_new();
ASSERT_PTR_NE(p1, NULL);
ASSERT_INT_EQ(sshbuf_put(p1, x, sizeof(x)), 0);
ASSERT_INT_EQ(sshbuf_peek_u32(p1, 0, &v32), 0);
ASSERT_U32_EQ(v32, 0x11223344);
ASSERT_INT_EQ(sshbuf_peek_u32(p1, 6, &v32), 0);
ASSERT_U32_EQ(v32, 0x77880099);
ASSERT_INT_EQ(sshbuf_peek_u32(p1, 7, &v32), SSH_ERR_MESSAGE_INCOMPLETE);
ASSERT_INT_EQ(sshbuf_peek_u32(p1, sizeof(x), &v32),
SSH_ERR_MESSAGE_INCOMPLETE);
ASSERT_INT_EQ(sshbuf_peek_u32(p1, 1000, &v32),
SSH_ERR_MESSAGE_INCOMPLETE);
sshbuf_free(p1);
TEST_DONE();
TEST_START("sshbuf_peek_u16");
p1 = sshbuf_new();
ASSERT_PTR_NE(p1, NULL);
ASSERT_INT_EQ(sshbuf_put(p1, x, sizeof(x)), 0);
ASSERT_INT_EQ(sshbuf_peek_u16(p1, 0, &v16), 0);
ASSERT_U16_EQ(v16, 0x1122);
ASSERT_INT_EQ(sshbuf_peek_u16(p1, 8, &v16), 0);
ASSERT_U16_EQ(v16, 0x99);
ASSERT_INT_EQ(sshbuf_peek_u16(p1, 9, &v16), SSH_ERR_MESSAGE_INCOMPLETE);
ASSERT_INT_EQ(sshbuf_peek_u16(p1, sizeof(x), &v16),
SSH_ERR_MESSAGE_INCOMPLETE);
ASSERT_INT_EQ(sshbuf_peek_u16(p1, 1000, &v16),
SSH_ERR_MESSAGE_INCOMPLETE);
sshbuf_free(p1);
TEST_DONE();
TEST_START("sshbuf_peek_u8");
p1 = sshbuf_new();
ASSERT_PTR_NE(p1, NULL);
ASSERT_INT_EQ(sshbuf_put(p1, x, sizeof(x)), 0);
ASSERT_INT_EQ(sshbuf_peek_u8(p1, 0, &v8), 0);
ASSERT_U8_EQ(v8, 0x11);
ASSERT_INT_EQ(sshbuf_peek_u8(p1, 9, &v8), 0);
ASSERT_U8_EQ(v8, 0x99);
ASSERT_INT_EQ(sshbuf_peek_u8(p1, sizeof(x), &v8),
SSH_ERR_MESSAGE_INCOMPLETE);
ASSERT_INT_EQ(sshbuf_peek_u8(p1, 1000, &v8),
SSH_ERR_MESSAGE_INCOMPLETE);
sshbuf_free(p1);
TEST_DONE();
TEST_START("sshbuf_poke_u64");
p1 = sshbuf_new();
ASSERT_PTR_NE(p1, NULL);
ASSERT_INT_EQ(sshbuf_reserve(p1, 10, NULL), 0);
/* poke at start of buffer */
ASSERT_INT_EQ(sshbuf_poke_u64(p1, 0, 0xa1b2c3d4e5f60718ULL), 0);
s2 = sshbuf_dtob16(p1);
ASSERT_PTR_NE(s2, NULL);
ASSERT_STRING_EQ(s2, "a1b2c3d4e5f607180000");
free(s2);
sshbuf_reset(p1);
ASSERT_INT_EQ(sshbuf_reserve(p1, 10, NULL), 0);
/* poke aligned with end of buffer */
ASSERT_INT_EQ(sshbuf_poke_u64(p1, 2, 0xa1b2c3d4e5f60718ULL), 0);
s2 = sshbuf_dtob16(p1);
ASSERT_PTR_NE(s2, NULL);
ASSERT_STRING_EQ(s2, "0000a1b2c3d4e5f60718");
free(s2);
sshbuf_reset(p1);
ASSERT_INT_EQ(sshbuf_reserve(p1, 10, NULL), 0);
/* poke past end of buffer */
ASSERT_INT_EQ(sshbuf_poke_u64(p1, 3, 0xa1b2c3d4e5f60718ULL),
SSH_ERR_NO_BUFFER_SPACE);
ASSERT_INT_EQ(sshbuf_poke_u64(p1, 10, 0xa1b2c3d4e5f60718ULL),
SSH_ERR_NO_BUFFER_SPACE);
ASSERT_INT_EQ(sshbuf_poke_u64(p1, 1000, 0xa1b2c3d4e5f60718ULL),
SSH_ERR_NO_BUFFER_SPACE);
/* ensure failed pokes do not modify buffer */
s2 = sshbuf_dtob16(p1);
ASSERT_PTR_NE(s2, NULL);
ASSERT_STRING_EQ(s2, "00000000000000000000");
sshbuf_free(p1);
TEST_DONE();
TEST_START("sshbuf_poke_u32");
p1 = sshbuf_new();
ASSERT_PTR_NE(p1, NULL);
ASSERT_INT_EQ(sshbuf_reserve(p1, 10, NULL), 0);
/* poke at start of buffer */
ASSERT_INT_EQ(sshbuf_poke_u32(p1, 0, 0xa1b2c3d4), 0);
s2 = sshbuf_dtob16(p1);
ASSERT_PTR_NE(s2, NULL);
ASSERT_STRING_EQ(s2, "a1b2c3d4000000000000");
free(s2);
sshbuf_reset(p1);
ASSERT_INT_EQ(sshbuf_reserve(p1, 10, NULL), 0);
/* poke aligned with end of buffer */
ASSERT_INT_EQ(sshbuf_poke_u32(p1, 6, 0xa1b2c3d4), 0);
s2 = sshbuf_dtob16(p1);
ASSERT_PTR_NE(s2, NULL);
ASSERT_STRING_EQ(s2, "000000000000a1b2c3d4");
free(s2);
sshbuf_reset(p1);
ASSERT_INT_EQ(sshbuf_reserve(p1, 10, NULL), 0);
/* poke past end of buffer */
ASSERT_INT_EQ(sshbuf_poke_u32(p1, 7, 0xa1b2c3d4),
SSH_ERR_NO_BUFFER_SPACE);
ASSERT_INT_EQ(sshbuf_poke_u32(p1, 10, 0xa1b2c3d4),
SSH_ERR_NO_BUFFER_SPACE);
ASSERT_INT_EQ(sshbuf_poke_u32(p1, 1000, 0xa1b2c3d4),
SSH_ERR_NO_BUFFER_SPACE);
/* ensure failed pokes do not modify buffer */
s2 = sshbuf_dtob16(p1);
ASSERT_PTR_NE(s2, NULL);
ASSERT_STRING_EQ(s2, "00000000000000000000");
sshbuf_free(p1);
TEST_DONE();
TEST_START("sshbuf_poke_u16");
p1 = sshbuf_new();
ASSERT_PTR_NE(p1, NULL);
ASSERT_INT_EQ(sshbuf_reserve(p1, 10, NULL), 0);
/* poke at start of buffer */
ASSERT_INT_EQ(sshbuf_poke_u16(p1, 0, 0xa1b2), 0);
s2 = sshbuf_dtob16(p1);
ASSERT_PTR_NE(s2, NULL);
ASSERT_STRING_EQ(s2, "a1b20000000000000000");
free(s2);
sshbuf_reset(p1);
ASSERT_INT_EQ(sshbuf_reserve(p1, 10, NULL), 0);
/* poke aligned with end of buffer */
ASSERT_INT_EQ(sshbuf_poke_u16(p1, 8, 0xa1b2), 0);
s2 = sshbuf_dtob16(p1);
ASSERT_PTR_NE(s2, NULL);
ASSERT_STRING_EQ(s2, "0000000000000000a1b2");
free(s2);
sshbuf_reset(p1);
ASSERT_INT_EQ(sshbuf_reserve(p1, 10, NULL), 0);
/* poke past end of buffer */
ASSERT_INT_EQ(sshbuf_poke_u16(p1, 9, 0xa1b2),
SSH_ERR_NO_BUFFER_SPACE);
ASSERT_INT_EQ(sshbuf_poke_u16(p1, 10, 0xa1b2),
SSH_ERR_NO_BUFFER_SPACE);
ASSERT_INT_EQ(sshbuf_poke_u16(p1, 1000, 0xa1b2),
SSH_ERR_NO_BUFFER_SPACE);
/* ensure failed pokes do not modify buffer */
s2 = sshbuf_dtob16(p1);
ASSERT_PTR_NE(s2, NULL);
ASSERT_STRING_EQ(s2, "00000000000000000000");
sshbuf_free(p1);
TEST_DONE();
TEST_START("sshbuf_poke_u8");
p1 = sshbuf_new();
ASSERT_PTR_NE(p1, NULL);
ASSERT_INT_EQ(sshbuf_reserve(p1, 10, NULL), 0);
/* poke at start of buffer */
ASSERT_INT_EQ(sshbuf_poke_u8(p1, 0, 0xa1), 0);
s2 = sshbuf_dtob16(p1);
ASSERT_PTR_NE(s2, NULL);
ASSERT_STRING_EQ(s2, "a1000000000000000000");
free(s2);
sshbuf_reset(p1);
ASSERT_INT_EQ(sshbuf_reserve(p1, 10, NULL), 0);
/* poke aligned with end of buffer */
ASSERT_INT_EQ(sshbuf_poke_u8(p1, 9, 0xa1), 0);
s2 = sshbuf_dtob16(p1);
ASSERT_PTR_NE(s2, NULL);
ASSERT_STRING_EQ(s2, "000000000000000000a1");
free(s2);
sshbuf_reset(p1);
ASSERT_INT_EQ(sshbuf_reserve(p1, 10, NULL), 0);
/* poke past end of buffer */
ASSERT_INT_EQ(sshbuf_poke_u8(p1, 10, 0xa1), SSH_ERR_NO_BUFFER_SPACE);
ASSERT_INT_EQ(sshbuf_poke_u8(p1, 1000, 0xa1), SSH_ERR_NO_BUFFER_SPACE);
/* ensure failed pokes do not modify buffer */
s2 = sshbuf_dtob16(p1);
ASSERT_PTR_NE(s2, NULL);
ASSERT_STRING_EQ(s2, "00000000000000000000");
sshbuf_free(p1);
TEST_DONE();
TEST_START("sshbuf_poke");
p1 = sshbuf_new();
ASSERT_PTR_NE(p1, NULL);
ASSERT_INT_EQ(sshbuf_reserve(p1, 10, NULL), 0);
/* poke at start of buffer */
ASSERT_INT_EQ(sshbuf_poke(p1, 0, "hello!", 6), 0);
s2 = sshbuf_dtob16(p1);
ASSERT_PTR_NE(s2, NULL);
ASSERT_STRING_EQ(s2, "68656c6c6f2100000000");
free(s2);
sshbuf_reset(p1);
ASSERT_INT_EQ(sshbuf_reserve(p1, 10, NULL), 0);
/* poke aligned with end of buffer */
ASSERT_INT_EQ(sshbuf_poke(p1, 4, "hello!", 6), 0);
s2 = sshbuf_dtob16(p1);
ASSERT_PTR_NE(s2, NULL);
ASSERT_STRING_EQ(s2, "0000000068656c6c6f21");
free(s2);
sshbuf_reset(p1);
ASSERT_INT_EQ(sshbuf_reserve(p1, 10, NULL), 0);
/* poke past end of buffer */
ASSERT_INT_EQ(sshbuf_poke(p1, 7, "hello!", 6),
SSH_ERR_NO_BUFFER_SPACE);
ASSERT_INT_EQ(sshbuf_poke(p1, 10, "hello!", 6),
SSH_ERR_NO_BUFFER_SPACE);
ASSERT_INT_EQ(sshbuf_poke(p1, 1000, "hello!", 6),
SSH_ERR_NO_BUFFER_SPACE);
/* ensure failed pokes do not modify buffer */
s2 = sshbuf_dtob16(p1);
ASSERT_PTR_NE(s2, NULL);
ASSERT_STRING_EQ(s2, "00000000000000000000");
sshbuf_free(p1);
TEST_DONE();
}