2 * testcode/unitldns.c - unit test for ldns routines.
4 * Copyright (c) 2014, NLnet Labs. All rights reserved.
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38 * Calls ldns unit tests. Exits with code 1 on a failure.
43 #include "testcode/unitmain.h"
44 #include "sldns/sbuffer.h"
45 #include "sldns/str2wire.h"
46 #include "sldns/wire2str.h"
48 /** verbose this unit test */
51 /** print buffer to hex into string */
53 buf_to_hex(uint8_t* b, size_t blen, char* s, size_t slen)
55 const char* h = "0123456789ABCDEF";
57 if(slen < blen*2+2 && vbmp) printf("hexstring buffer too small\n");
58 unit_assert(slen >= blen*2+2);
59 for(i=0; i<blen; i++) {
60 s[i*2] = h[(b[i]&0xf0)>>4];
61 s[i*2+1] = h[b[i]&0x0f];
68 * @param txt_in: input text format.
69 * @param wire1: output wireformat in hex (txt_in converted to wire).
70 * @param txt_out: output text format (converted from wire_out).
71 * @param wire2: output wireformat in hex, txt_out converted back to wireformat.
72 * @param bufs: size of the text buffers.
75 rr_transform(char* txt_in, char* wire1, char* txt_out, char* wire2,
83 err = sldns_str2wire_rr_buf(txt_in, b, &len, NULL, 3600,
86 if(vbmp) printf("sldns_str2wire_rr_buf, pos %d: %s\n",
87 LDNS_WIREPARSE_OFFSET(err),
88 sldns_get_errorstr_parse(err));
90 unit_assert(err == 0);
91 buf_to_hex(b, len, wire1, bufs);
92 if(vbmp) printf("wire1: %s", wire1);
94 err = sldns_wire2str_rr_buf(b, len, txt_out, bufs);
95 unit_assert(err < (int)bufs && err > 0);
96 if(vbmp) printf("txt: %s", txt_out);
99 err = sldns_str2wire_rr_buf(txt_out, b, &len, NULL, 3600,
102 if(vbmp) printf("sldns_str2wire_rr_buf-2, pos %d: %s\n",
103 LDNS_WIREPARSE_OFFSET(err),
104 sldns_get_errorstr_parse(err));
106 unit_assert(err == 0);
107 buf_to_hex(b, len, wire2, bufs);
108 if(vbmp) printf("wire2: %s", wire2);
111 /** Check if results are correct */
113 rr_checks(char* wire_chk, char* txt_chk, char* txt_out, char* wire_out,
117 /* the wiretostr on ipv6 is weird on apple, we cannot check it.
118 * skip AAAA on OSX */
119 if(strstr(txt_out, "IN AAAA"))
120 txt_out = txt_chk; /* skip this test, but test wirefmt */
121 /* so we know that txt_out back to wire is the same */
124 if(strcmp(txt_chk, txt_out) != 0 && vbmp)
125 printf("txt different\n");
126 if(strcmp(wire_chk, wire_out) != 0 && vbmp)
127 printf("wire1 different\n");
128 if(strcmp(wire_chk, back) != 0 && vbmp)
129 printf("wire2 different\n");
131 unit_assert(strcmp(txt_chk, txt_out) == 0);
132 unit_assert(strcmp(wire_chk, wire_out) == 0);
133 unit_assert(strcmp(wire_chk, back) == 0);
136 /** read rrs to and from string, and wireformat
137 * Skips empty lines and comments.
138 * @param input: input file with text format.
139 * @param check: check file with hex and then textformat
142 rr_test_file(const char* input, const char* check)
144 size_t bufs = 131072;
145 FILE* inf, *chf, *of;
146 int lineno = 0, chlineno = 0;
147 char* txt_in = (char*)malloc(bufs);
148 char* txt_out = (char*)malloc(bufs);
149 char* txt_chk = (char*)malloc(bufs);
150 char* wire_out = (char*)malloc(bufs);
151 char* wire_chk = (char*)malloc(bufs);
152 char* back = (char*)malloc(bufs);
153 if(!txt_in || !txt_out || !txt_chk || !wire_out || !wire_chk || !back)
154 fatal_exit("malloc failure");
155 inf = fopen(input, "r");
156 if(!inf) fatal_exit("cannot open %s: %s", input, strerror(errno));
157 chf = fopen(check, "r");
158 if(!chf) fatal_exit("cannot open %s: %s", check, strerror(errno));
162 /* debug: create check file */
163 of = fopen("outputfile", "w");
164 if(!of) fatal_exit("cannot write output: %s", strerror(errno));
167 while(fgets(txt_in, (int)bufs, inf)) {
169 if(vbmp) printf("\n%s:%d %s", input, lineno, txt_in);
170 /* skip empty lines and comments */
171 if(txt_in[0] == 0 || txt_in[0] == '\n' || txt_in[0] == ';')
173 /* read check lines */
174 if(!fgets(wire_chk, (int)bufs, chf))
175 printf("%s too short\n", check);
176 if(!fgets(txt_chk, (int)bufs, chf))
177 printf("%s too short\n", check);
179 if(vbmp) printf("%s:%d %s", check, chlineno-1, wire_chk);
180 if(vbmp) printf("%s:%d %s", check, chlineno, txt_chk);
181 /* generate results */
182 rr_transform(txt_in, wire_out, txt_out, back, bufs);
185 fprintf(of, "%s%s", wire_out, txt_out);
187 rr_checks(wire_chk, txt_chk, txt_out, wire_out, back);
202 /** read rrs to and from string, to and from wireformat */
206 rr_test_file("testdata/test_ldnsrr.1", "testdata/test_ldnsrr.c1");
207 rr_test_file("testdata/test_ldnsrr.2", "testdata/test_ldnsrr.c2");
208 rr_test_file("testdata/test_ldnsrr.3", "testdata/test_ldnsrr.c3");
209 rr_test_file("testdata/test_ldnsrr.4", "testdata/test_ldnsrr.c4");
210 rr_test_file("testdata/test_ldnsrr.5", "testdata/test_ldnsrr.c5");
216 unit_show_feature("sldns");