3 * some handy function needed in drill and not implemented
7 * See the file LICENSE for the license
12 #include <ldns/ldns.h>
17 read_line(FILE *input, char *line, size_t len)
22 for (i = 0; i < (int)len-1; i++) {
26 } else if (c != '\n') {
36 /* key_list must be initialized with ldns_rr_list_new() */
38 read_key_file(const char *filename, ldns_rr_list *key_list, bool silently)
43 char line[LDNS_MAX_LINELEN];
48 input_file = fopen(filename, "r");
51 fprintf(stderr, "Error opening %s: %s\n",
52 filename, strerror(errno));
54 return LDNS_STATUS_ERR;
56 while (line_len >= 0) {
57 line_len = (int) read_line(input_file, line, sizeof(line));
59 if (line_len > 0 && line[0] != ';') {
60 status = ldns_rr_new_frm_str(&rr, line, 0, NULL, NULL);
61 if (status != LDNS_STATUS_OK) {
64 "Error parsing DNSKEY RR "
65 "in line %d: %s\n", line_nr,
66 ldns_get_errorstr_by_id(status)
69 } else if (ldns_rr_get_type(rr) == LDNS_RR_TYPE_DNSKEY ||
70 ldns_rr_get_type(rr) == LDNS_RR_TYPE_DS) {
71 ldns_rr_list_push_rr(key_list, rr);
80 return LDNS_STATUS_OK;
82 /*fprintf(stderr, "No keys read\n");*/
83 return LDNS_STATUS_ERR;
88 ldns_rdf_new_addr_frm_str(char *str)
92 a = ldns_rdf_new_frm_str(LDNS_RDF_TYPE_A, str);
95 a = ldns_rdf_new_frm_str(LDNS_RDF_TYPE_AAAA, str);
104 local_print_ds(FILE* out, const char* pre, ldns_rr* ds)
107 fprintf(out, "%s", pre);
108 ldns_rr_print(out, ds);
114 * For all keys in a packet print the DS
117 print_ds_of_keys(ldns_pkt *p)
123 /* TODO fix the section stuff, here or in ldns */
124 keys = ldns_pkt_rr_list_by_type(p, LDNS_RR_TYPE_DNSKEY,
125 LDNS_SECTION_ANSWER);
127 /* this also returns the question section rr, which does not
128 * have any data.... and this inturn crashes everything */
131 for (i = 0; i < ldns_rr_list_rr_count(keys); i++) {
132 fprintf(stdout, ";\n; equivalent DS records for key %u:\n",
133 (unsigned int)ldns_calc_keytag(ldns_rr_list_rr(keys, i)));
135 ds = ldns_key_rr2ds(ldns_rr_list_rr(keys, i), LDNS_SHA1);
136 local_print_ds(stdout, "; sha1: ", ds);
137 ds = ldns_key_rr2ds(ldns_rr_list_rr(keys, i), LDNS_SHA256);
138 local_print_ds(stdout, "; sha256: ", ds);
140 ldns_rr_list_deep_free(keys);
145 print_class_type(FILE *fp, ldns_rr *r)
147 ldns_lookup_table *lt;
148 lt = ldns_lookup_by_id(ldns_rr_classes, ldns_rr_get_class(r));
150 fprintf(fp, " %s", lt->name);
152 fprintf(fp, " CLASS%d", ldns_rr_get_class(r));
154 /* okay not THE way - but the quickest */
155 switch (ldns_rr_get_type(r)) {
156 case LDNS_RR_TYPE_RRSIG:
157 fprintf(fp, " RRSIG ");
159 case LDNS_RR_TYPE_DNSKEY:
160 fprintf(fp, " DNSKEY ");
162 case LDNS_RR_TYPE_DS:
172 print_ds_abbr(FILE *fp, ldns_rr *ds)
174 if (!ds || (ldns_rr_get_type(ds) != LDNS_RR_TYPE_DS)) {
178 ldns_rdf_print(fp, ldns_rr_owner(ds));
179 fprintf(fp, " %d", (int)ldns_rr_ttl(ds));
180 print_class_type(fp, ds);
181 ldns_rdf_print(fp, ldns_rr_rdf(ds, 0)); fprintf(fp, " ");
182 ldns_rdf_print(fp, ldns_rr_rdf(ds, 1)); fprintf(fp, " ");
183 ldns_rdf_print(fp, ldns_rr_rdf(ds, 2)); fprintf(fp, " ");
184 ldns_rdf_print(fp, ldns_rr_rdf(ds, 3)); fprintf(fp, " ");
187 /* print some of the elements of a signature */
189 print_rrsig_abbr(FILE *fp, ldns_rr *sig) {
190 if (!sig || (ldns_rr_get_type(sig) != LDNS_RR_TYPE_RRSIG)) {
194 ldns_rdf_print(fp, ldns_rr_owner(sig));
195 fprintf(fp, " %d", (int)ldns_rr_ttl(sig));
196 print_class_type(fp, sig);
198 /* print a number of rdf's */
200 ldns_rdf_print(fp, ldns_rr_rdf(sig, 0)); fprintf(fp, " ");
202 ldns_rdf_print(fp, ldns_rr_rdf(sig, 1)); fprintf(fp, " ");
204 ldns_rdf_print(fp, ldns_rr_rdf(sig, 2)); fprintf(fp, " (\n\t\t\t");
206 ldns_rdf_print(fp, ldns_rr_rdf(sig, 4)); fprintf(fp, " ");
208 ldns_rdf_print(fp, ldns_rr_rdf(sig, 5)); fprintf(fp, " ");
210 ldns_rdf_print(fp, ldns_rr_rdf(sig, 6)); fprintf(fp, " ");
212 ldns_rdf_print(fp, ldns_rr_rdf(sig, 7)); fprintf(fp, ")");
216 print_dnskey_abbr(FILE *fp, ldns_rr *key)
218 if (!key || (ldns_rr_get_type(key) != LDNS_RR_TYPE_DNSKEY)) {
222 ldns_rdf_print(fp, ldns_rr_owner(key));
223 fprintf(fp, " %d", (int)ldns_rr_ttl(key));
224 print_class_type(fp, key);
226 /* print a number of rdf's */
228 ldns_rdf_print(fp, ldns_rr_rdf(key, 0)); fprintf(fp, " ");
230 ldns_rdf_print(fp, ldns_rr_rdf(key, 1)); fprintf(fp, " ");
232 ldns_rdf_print(fp, ldns_rr_rdf(key, 2));
234 if (ldns_rdf2native_int16(ldns_rr_rdf(key, 0)) == 256) {
235 fprintf(fp, " ;{id = %u (zsk), size = %db}", (unsigned int)ldns_calc_keytag(key),
236 (int)ldns_rr_dnskey_key_size(key));
239 if (ldns_rdf2native_int16(ldns_rr_rdf(key, 0)) == 257) {
240 fprintf(fp, " ;{id = %u (ksk), size = %db}", (unsigned int)ldns_calc_keytag(key),
241 (int)ldns_rr_dnskey_key_size(key));
244 fprintf(fp, " ;{id = %u, size = %db}", (unsigned int)ldns_calc_keytag(key),
245 (int)ldns_rr_dnskey_key_size(key));
249 print_rr_list_abbr(FILE *fp, ldns_rr_list *rrlist, const char *usr)
254 for(i = 0; i < ldns_rr_list_rr_count(rrlist); i++) {
255 tp = ldns_rr_get_type(ldns_rr_list_rr(rrlist, i));
256 if (i == 0 && tp != LDNS_RR_TYPE_RRSIG) {
258 fprintf(fp, "%s ", usr);
262 case LDNS_RR_TYPE_DNSKEY:
263 print_dnskey_abbr(fp, ldns_rr_list_rr(rrlist, i));
265 case LDNS_RR_TYPE_RRSIG:
266 print_rrsig_abbr(fp, ldns_rr_list_rr(rrlist, i));
268 case LDNS_RR_TYPE_DS:
269 print_ds_abbr(fp, ldns_rr_list_rr(rrlist, i));
286 printf("Mem failure\n");
293 xrealloc(void *p, size_t size)
297 q = realloc(p, size);
299 printf("Mem failure\n");