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 #define SSHBUF_INTERNAL 1 /* access internals for testing */ 9 #include "includes.h" 10 11 #include <sys/types.h> 12 #include <stdio.h> 13 #ifdef HAVE_STDINT_H 14 # include <stdint.h> 15 #endif 16 #include <stdlib.h> 17 #include <string.h> 18 19 #include "../test_helper/test_helper.h" 20 21 #include "sshbuf.h" 22 #include "ssherr.h" 23 24 void sshbuf_fixed(void); 25 26 const u_char test_buf[] = "\x01\x12\x34\x56\x78\x00\x00\x00\x05hello"; 27 28 void 29 sshbuf_fixed(void) 30 { 31 struct sshbuf *p1, *p2, *p3; 32 u_char c; 33 char *s; 34 u_int i; 35 size_t l; 36 37 TEST_START("sshbuf_from"); 38 p1 = sshbuf_from(test_buf, sizeof(test_buf)); 39 ASSERT_PTR_NE(p1, NULL); 40 ASSERT_PTR_EQ(sshbuf_mutable_ptr(p1), NULL); 41 ASSERT_INT_EQ(sshbuf_check_reserve(p1, 1), SSH_ERR_BUFFER_READ_ONLY); 42 ASSERT_INT_EQ(sshbuf_reserve(p1, 1, NULL), SSH_ERR_BUFFER_READ_ONLY); 43 ASSERT_INT_EQ(sshbuf_set_max_size(p1, 200), SSH_ERR_BUFFER_READ_ONLY); 44 ASSERT_INT_EQ(sshbuf_put_u32(p1, 0x12345678), SSH_ERR_BUFFER_READ_ONLY); 45 ASSERT_SIZE_T_EQ(sshbuf_avail(p1), 0); 46 ASSERT_PTR_EQ(sshbuf_ptr(p1), test_buf); 47 sshbuf_free(p1); 48 TEST_DONE(); 49 50 TEST_START("sshbuf_from data"); 51 p1 = sshbuf_from(test_buf, sizeof(test_buf) - 1); 52 ASSERT_PTR_NE(p1, NULL); 53 ASSERT_PTR_EQ(sshbuf_ptr(p1), test_buf); 54 ASSERT_INT_EQ(sshbuf_get_u8(p1, &c), 0); 55 ASSERT_PTR_EQ(sshbuf_ptr(p1), test_buf + 1); 56 ASSERT_U8_EQ(c, 1); 57 ASSERT_INT_EQ(sshbuf_get_u32(p1, &i), 0); 58 ASSERT_PTR_EQ(sshbuf_ptr(p1), test_buf + 5); 59 ASSERT_U32_EQ(i, 0x12345678); 60 ASSERT_INT_EQ(sshbuf_get_cstring(p1, &s, &l), 0); 61 ASSERT_SIZE_T_EQ(sshbuf_len(p1), 0); 62 ASSERT_STRING_EQ(s, "hello"); 63 ASSERT_SIZE_T_EQ(l, 5); 64 sshbuf_free(p1); 65 free(s); 66 TEST_DONE(); 67 68 TEST_START("sshbuf_fromb "); 69 p1 = sshbuf_new(); 70 ASSERT_PTR_NE(p1, NULL); 71 ASSERT_U_INT_EQ(sshbuf_refcount(p1), 1); 72 ASSERT_PTR_EQ(sshbuf_parent(p1), NULL); 73 ASSERT_INT_EQ(sshbuf_put(p1, test_buf, sizeof(test_buf) - 1), 0); 74 p2 = sshbuf_fromb(p1); 75 ASSERT_PTR_NE(p2, NULL); 76 ASSERT_U_INT_EQ(sshbuf_refcount(p1), 2); 77 ASSERT_PTR_EQ(sshbuf_parent(p1), NULL); 78 ASSERT_PTR_EQ(sshbuf_parent(p2), p1); 79 ASSERT_PTR_EQ(sshbuf_ptr(p2), sshbuf_ptr(p1)); 80 ASSERT_PTR_NE(sshbuf_ptr(p1), NULL); 81 ASSERT_PTR_NE(sshbuf_ptr(p2), NULL); 82 ASSERT_PTR_EQ(sshbuf_mutable_ptr(p1), NULL); 83 ASSERT_PTR_EQ(sshbuf_mutable_ptr(p2), NULL); 84 ASSERT_SIZE_T_EQ(sshbuf_len(p1), sshbuf_len(p2)); 85 ASSERT_INT_EQ(sshbuf_get_u8(p2, &c), 0); 86 ASSERT_PTR_EQ(sshbuf_ptr(p2), sshbuf_ptr(p1) + 1); 87 ASSERT_U8_EQ(c, 1); 88 ASSERT_INT_EQ(sshbuf_get_u32(p2, &i), 0); 89 ASSERT_PTR_EQ(sshbuf_ptr(p2), sshbuf_ptr(p1) + 5); 90 ASSERT_U32_EQ(i, 0x12345678); 91 ASSERT_INT_EQ(sshbuf_get_cstring(p2, &s, &l), 0); 92 ASSERT_SIZE_T_EQ(sshbuf_len(p2), 0); 93 ASSERT_STRING_EQ(s, "hello"); 94 ASSERT_SIZE_T_EQ(l, 5); 95 sshbuf_free(p1); 96 ASSERT_U_INT_EQ(sshbuf_refcount(p1), 1); 97 sshbuf_free(p2); 98 free(s); 99 TEST_DONE(); 100 101 TEST_START("sshbuf_froms"); 102 p1 = sshbuf_new(); 103 ASSERT_PTR_NE(p1, NULL); 104 ASSERT_INT_EQ(sshbuf_put_u8(p1, 0x01), 0); 105 ASSERT_INT_EQ(sshbuf_put_u32(p1, 0x12345678), 0); 106 ASSERT_INT_EQ(sshbuf_put_cstring(p1, "hello"), 0); 107 p2 = sshbuf_new(); 108 ASSERT_PTR_NE(p2, NULL); 109 ASSERT_SIZE_T_EQ(sshbuf_len(p1), sizeof(test_buf) - 1); 110 ASSERT_INT_EQ(sshbuf_put_stringb(p2, p1), 0); 111 ASSERT_SIZE_T_EQ(sshbuf_len(p2), sizeof(test_buf) + 4 - 1); 112 ASSERT_INT_EQ(sshbuf_froms(p2, &p3), 0); 113 ASSERT_SIZE_T_EQ(sshbuf_len(p2), 0); 114 ASSERT_PTR_NE(p3, NULL); 115 ASSERT_PTR_NE(sshbuf_ptr(p3), NULL); 116 ASSERT_SIZE_T_EQ(sshbuf_len(p3), sizeof(test_buf) - 1); 117 ASSERT_MEM_EQ(sshbuf_ptr(p3), test_buf, sizeof(test_buf) - 1); 118 sshbuf_free(p3); 119 ASSERT_INT_EQ(sshbuf_put_stringb(p2, p1), 0); 120 ASSERT_INT_EQ(sshbuf_consume_end(p2, 1), 0); 121 ASSERT_INT_EQ(sshbuf_froms(p2, &p3), SSH_ERR_MESSAGE_INCOMPLETE); 122 ASSERT_PTR_EQ(p3, NULL); 123 sshbuf_free(p2); 124 sshbuf_free(p1); 125 } 126