1 /* $OpenBSD: test_sshbuf_fixed.c,v 1.2 2021/12/14 21:25:27 deraadt Exp $ */ 2 /* 3 * Regress test for sshbuf.h buffer API 4 * 5 * Placed in the public domain 6 */ 7 8 #include <sys/types.h> 9 #include <stdio.h> 10 #include <stdint.h> 11 #include <stdlib.h> 12 #include <string.h> 13 14 #include "test_helper.h" 15 16 #define SSHBUF_INTERNAL 1 /* access internals for testing */ 17 #include "sshbuf.h" 18 #include "ssherr.h" 19 20 void sshbuf_fixed(void); 21 22 const u_char test_buf[] = "\x01\x12\x34\x56\x78\x00\x00\x00\x05hello"; 23 24 void 25 sshbuf_fixed(void) 26 { 27 struct sshbuf *p1, *p2, *p3; 28 u_char c; 29 char *s; 30 u_int i; 31 size_t l; 32 33 TEST_START("sshbuf_from"); 34 p1 = sshbuf_from(test_buf, sizeof(test_buf)); 35 ASSERT_PTR_NE(p1, NULL); 36 ASSERT_PTR_EQ(sshbuf_mutable_ptr(p1), NULL); 37 ASSERT_INT_EQ(sshbuf_check_reserve(p1, 1), SSH_ERR_BUFFER_READ_ONLY); 38 ASSERT_INT_EQ(sshbuf_reserve(p1, 1, NULL), SSH_ERR_BUFFER_READ_ONLY); 39 ASSERT_INT_EQ(sshbuf_set_max_size(p1, 200), SSH_ERR_BUFFER_READ_ONLY); 40 ASSERT_INT_EQ(sshbuf_put_u32(p1, 0x12345678), SSH_ERR_BUFFER_READ_ONLY); 41 ASSERT_SIZE_T_EQ(sshbuf_avail(p1), 0); 42 ASSERT_PTR_EQ(sshbuf_ptr(p1), test_buf); 43 sshbuf_free(p1); 44 TEST_DONE(); 45 46 TEST_START("sshbuf_from data"); 47 p1 = sshbuf_from(test_buf, sizeof(test_buf) - 1); 48 ASSERT_PTR_NE(p1, NULL); 49 ASSERT_PTR_EQ(sshbuf_ptr(p1), test_buf); 50 ASSERT_INT_EQ(sshbuf_get_u8(p1, &c), 0); 51 ASSERT_PTR_EQ(sshbuf_ptr(p1), test_buf + 1); 52 ASSERT_U8_EQ(c, 1); 53 ASSERT_INT_EQ(sshbuf_get_u32(p1, &i), 0); 54 ASSERT_PTR_EQ(sshbuf_ptr(p1), test_buf + 5); 55 ASSERT_U32_EQ(i, 0x12345678); 56 ASSERT_INT_EQ(sshbuf_get_cstring(p1, &s, &l), 0); 57 ASSERT_SIZE_T_EQ(sshbuf_len(p1), 0); 58 ASSERT_STRING_EQ(s, "hello"); 59 ASSERT_SIZE_T_EQ(l, 5); 60 sshbuf_free(p1); 61 free(s); 62 TEST_DONE(); 63 64 TEST_START("sshbuf_fromb "); 65 p1 = sshbuf_new(); 66 ASSERT_PTR_NE(p1, NULL); 67 ASSERT_U_INT_EQ(sshbuf_refcount(p1), 1); 68 ASSERT_PTR_EQ(sshbuf_parent(p1), NULL); 69 ASSERT_INT_EQ(sshbuf_put(p1, test_buf, sizeof(test_buf) - 1), 0); 70 p2 = sshbuf_fromb(p1); 71 ASSERT_PTR_NE(p2, NULL); 72 ASSERT_U_INT_EQ(sshbuf_refcount(p1), 2); 73 ASSERT_PTR_EQ(sshbuf_parent(p1), NULL); 74 ASSERT_PTR_EQ(sshbuf_parent(p2), p1); 75 ASSERT_PTR_EQ(sshbuf_ptr(p2), sshbuf_ptr(p1)); 76 ASSERT_PTR_NE(sshbuf_ptr(p1), NULL); 77 ASSERT_PTR_NE(sshbuf_ptr(p2), NULL); 78 ASSERT_PTR_EQ(sshbuf_mutable_ptr(p1), NULL); 79 ASSERT_PTR_EQ(sshbuf_mutable_ptr(p2), NULL); 80 ASSERT_SIZE_T_EQ(sshbuf_len(p1), sshbuf_len(p2)); 81 ASSERT_INT_EQ(sshbuf_get_u8(p2, &c), 0); 82 ASSERT_PTR_EQ(sshbuf_ptr(p2), sshbuf_ptr(p1) + 1); 83 ASSERT_U8_EQ(c, 1); 84 ASSERT_INT_EQ(sshbuf_get_u32(p2, &i), 0); 85 ASSERT_PTR_EQ(sshbuf_ptr(p2), sshbuf_ptr(p1) + 5); 86 ASSERT_U32_EQ(i, 0x12345678); 87 ASSERT_INT_EQ(sshbuf_get_cstring(p2, &s, &l), 0); 88 ASSERT_SIZE_T_EQ(sshbuf_len(p2), 0); 89 ASSERT_STRING_EQ(s, "hello"); 90 ASSERT_SIZE_T_EQ(l, 5); 91 sshbuf_free(p1); 92 ASSERT_U_INT_EQ(sshbuf_refcount(p1), 1); 93 sshbuf_free(p2); 94 free(s); 95 TEST_DONE(); 96 97 TEST_START("sshbuf_froms"); 98 p1 = sshbuf_new(); 99 ASSERT_PTR_NE(p1, NULL); 100 ASSERT_INT_EQ(sshbuf_put_u8(p1, 0x01), 0); 101 ASSERT_INT_EQ(sshbuf_put_u32(p1, 0x12345678), 0); 102 ASSERT_INT_EQ(sshbuf_put_cstring(p1, "hello"), 0); 103 p2 = sshbuf_new(); 104 ASSERT_PTR_NE(p2, NULL); 105 ASSERT_SIZE_T_EQ(sshbuf_len(p1), sizeof(test_buf) - 1); 106 ASSERT_INT_EQ(sshbuf_put_stringb(p2, p1), 0); 107 ASSERT_SIZE_T_EQ(sshbuf_len(p2), sizeof(test_buf) + 4 - 1); 108 ASSERT_INT_EQ(sshbuf_froms(p2, &p3), 0); 109 ASSERT_SIZE_T_EQ(sshbuf_len(p2), 0); 110 ASSERT_PTR_NE(p3, NULL); 111 ASSERT_PTR_NE(sshbuf_ptr(p3), NULL); 112 ASSERT_SIZE_T_EQ(sshbuf_len(p3), sizeof(test_buf) - 1); 113 ASSERT_MEM_EQ(sshbuf_ptr(p3), test_buf, sizeof(test_buf) - 1); 114 sshbuf_free(p3); 115 ASSERT_INT_EQ(sshbuf_put_stringb(p2, p1), 0); 116 ASSERT_INT_EQ(sshbuf_consume_end(p2, 1), 0); 117 ASSERT_INT_EQ(sshbuf_froms(p2, &p3), SSH_ERR_MESSAGE_INCOMPLETE); 118 ASSERT_PTR_EQ(p3, NULL); 119 sshbuf_free(p2); 120 sshbuf_free(p1); 121 } 122