4 * conversion routines from the presentation format
7 * a Net::DNS like library for C
9 * (c) NLnet Labs, 2004-2006
11 * See the file LICENSE for the license
13 #include <ldns/config.h>
15 #include <ldns/ldns.h>
17 #ifdef HAVE_SYS_SOCKET_H
18 #include <sys/socket.h>
20 #ifdef HAVE_ARPA_INET_H
21 #include <arpa/inet.h>
31 #ifdef HAVE_SYS_PARAM_H
32 #include <sys/param.h>
36 ldns_str2rdf_int16(ldns_rdf **rd, const char *shortstr)
40 r = LDNS_MALLOC(uint16_t);
41 if(!r) return LDNS_STATUS_MEM_ERR;
43 *r = htons((uint16_t)strtol((char *)shortstr, &end, 10));
47 return LDNS_STATUS_INVALID_INT;
49 *rd = ldns_rdf_new_frm_data(
50 LDNS_RDF_TYPE_INT16, sizeof(uint16_t), r);
52 return *rd?LDNS_STATUS_OK:LDNS_STATUS_MEM_ERR;
57 ldns_str2rdf_time(ldns_rdf **rd, const char *time)
59 /* convert a time YYYYDDMMHHMMSS to wireformat */
65 /* Try to scan the time... */
66 r = (uint16_t*)LDNS_MALLOC(uint32_t);
67 if(!r) return LDNS_STATUS_MEM_ERR;
69 memset(&tm, 0, sizeof(tm));
71 if (strlen(time) == 14 &&
72 sscanf(time, "%4d%2d%2d%2d%2d%2d", &tm.tm_year, &tm.tm_mon, &tm.tm_mday, &tm.tm_hour, &tm.tm_min, &tm.tm_sec) == 6
77 if (tm.tm_year < 70) {
80 if (tm.tm_mon < 0 || tm.tm_mon > 11) {
83 if (tm.tm_mday < 1 || tm.tm_mday > 31) {
87 if (tm.tm_hour < 0 || tm.tm_hour > 23) {
91 if (tm.tm_min < 0 || tm.tm_min > 59) {
95 if (tm.tm_sec < 0 || tm.tm_sec > 59) {
99 l = htonl(ldns_mktime_from_utc(&tm));
100 memcpy(r, &l, sizeof(uint32_t));
101 *rd = ldns_rdf_new_frm_data(
102 LDNS_RDF_TYPE_TIME, sizeof(uint32_t), r);
104 return *rd?LDNS_STATUS_OK:LDNS_STATUS_MEM_ERR;
106 /* handle it as 32 bits timestamp */
107 l = htonl((uint32_t)strtol((char*)time, &end, 10));
110 return LDNS_STATUS_ERR;
112 memcpy(r, &l, sizeof(uint32_t));
113 *rd = ldns_rdf_new_frm_data(
114 LDNS_RDF_TYPE_INT32, sizeof(uint32_t), r);
116 return *rd?LDNS_STATUS_OK:LDNS_STATUS_MEM_ERR;
122 return LDNS_STATUS_INVALID_TIME;
126 ldns_str2rdf_nsec3_salt(ldns_rdf **rd, const char *salt_str)
135 return LDNS_STATUS_NULL;
138 salt_length_str = (int)strlen(salt_str);
139 if (salt_length_str == 1 && salt_str[0] == '-') {
141 } else if (salt_length_str % 2 != 0) {
142 return LDNS_STATUS_INVALID_HEX;
144 if (salt_length_str > 512) {
145 return LDNS_STATUS_INVALID_HEX;
148 salt = LDNS_XMALLOC(uint8_t, salt_length_str / 2);
150 return LDNS_STATUS_MEM_ERR;
152 for (c = 0; c < salt_length_str; c += 2) {
153 if (isxdigit((int) salt_str[c]) && isxdigit((int) salt_str[c+1])) {
154 salt[c/2] = (uint8_t) ldns_hexdigit_to_int(salt_str[c]) * 16 +
155 ldns_hexdigit_to_int(salt_str[c+1]);
158 return LDNS_STATUS_INVALID_HEX;
161 salt_length = (uint8_t) (salt_length_str / 2);
163 data = LDNS_XMALLOC(uint8_t, 1 + salt_length);
166 return LDNS_STATUS_MEM_ERR;
168 data[0] = salt_length;
169 memcpy(&data[1], salt, salt_length);
170 *rd = ldns_rdf_new_frm_data(LDNS_RDF_TYPE_NSEC3_SALT, 1 + salt_length, data);
174 return *rd?LDNS_STATUS_OK:LDNS_STATUS_MEM_ERR;
178 ldns_str2rdf_period(ldns_rdf **rd,const char *period)
183 /* Allocate required space... */
184 p = ldns_str2period(period, &end);
187 return LDNS_STATUS_ERR;
189 p = (uint32_t) htonl(p);
190 *rd = ldns_rdf_new_frm_data(
191 LDNS_RDF_TYPE_PERIOD, sizeof(uint32_t), &p);
193 return *rd?LDNS_STATUS_OK:LDNS_STATUS_MEM_ERR;
197 ldns_str2rdf_int32(ldns_rdf **rd, const char *longstr)
203 r = (uint16_t*)LDNS_MALLOC(uint32_t);
204 if(!r) return LDNS_STATUS_MEM_ERR;
205 errno = 0; /* must set to zero before call,
206 note race condition on errno */
208 l = htonl((uint32_t)strtol((char*)longstr, &end, 10));
209 else l = htonl((uint32_t)strtoul((char*)longstr, &end, 10));
213 return LDNS_STATUS_ERR;
215 if (errno == ERANGE) {
217 return LDNS_STATUS_SYNTAX_INTEGER_OVERFLOW;
219 memcpy(r, &l, sizeof(uint32_t));
220 *rd = ldns_rdf_new_frm_data(
221 LDNS_RDF_TYPE_INT32, sizeof(uint32_t), r);
223 return *rd?LDNS_STATUS_OK:LDNS_STATUS_MEM_ERR;
228 ldns_str2rdf_int8(ldns_rdf **rd, const char *bytestr)
233 r = LDNS_MALLOC(uint8_t);
234 if(!r) return LDNS_STATUS_MEM_ERR;
236 *r = (uint8_t)strtol((char*)bytestr, &end, 10);
240 return LDNS_STATUS_ERR;
242 *rd = ldns_rdf_new_frm_data(
243 LDNS_RDF_TYPE_INT8, sizeof(uint8_t), r);
245 return *rd?LDNS_STATUS_OK:LDNS_STATUS_MEM_ERR;
251 * Checks whether the escaped value at **s is an octal value or
252 * a 'normally' escaped character (and not eos)
254 * The string pointer at *s is increased by either 0 (on error), 1 (on
255 * normal escapes), or 3 (on octals)
257 * Returns the number of bytes read from the escaped string, or
261 parse_escape(uint8_t *ch_p, const char** str_p)
265 if ((*str_p)[0] && isdigit((*str_p)[0]) &&
266 (*str_p)[1] && isdigit((*str_p)[1]) &&
267 (*str_p)[2] && isdigit((*str_p)[2])) {
269 val = (uint16_t)(((*str_p)[0] - '0') * 100 +
270 ((*str_p)[1] - '0') * 10 +
271 ((*str_p)[2] - '0'));
276 *ch_p = (uint8_t)val;
280 } else if ((*str_p)[0] && !isdigit((*str_p)[0])) {
282 *ch_p = (uint8_t)*(*str_p)++;
287 return false; /* LDNS_STATUS_SYNTAX_BAD_ESCAPE */
291 parse_char(uint8_t *ch_p, const char** str_p)
295 case '\0': return false;
297 case '\\': *str_p += 1;
298 return parse_escape(ch_p, str_p);
300 default: *ch_p = (uint8_t)*(*str_p)++;
306 * No special care is taken, all dots are translated into
308 * Could be made more efficient....we do 3 memcpy's in total...
311 ldns_str2rdf_dname(ldns_rdf **d, const char *str)
316 uint8_t *q, *pq, label_len;
317 uint8_t buf[LDNS_MAX_DOMAINLEN + 1];
320 len = strlen((char*)str);
321 /* octet representation can make strings a lot longer than actual length */
322 if (len > LDNS_MAX_DOMAINLEN * 4) {
323 return LDNS_STATUS_DOMAINNAME_OVERFLOW;
326 return LDNS_STATUS_DOMAINNAME_UNDERFLOW;
330 if (1 == len && *str == '.') {
331 *d = ldns_rdf_new_frm_data(LDNS_RDF_TYPE_DNAME, 1, "\0");
332 return LDNS_STATUS_OK;
335 /* get on with the rest */
337 /* s is on the current character in the string
338 * pq points to where the labellength is going to go
339 * label_len keeps track of the current label's length
340 * q builds the dname inside the buf array
346 for (s = str; *s; s++, q++) {
347 if (q > buf + LDNS_MAX_DOMAINLEN) {
348 return LDNS_STATUS_DOMAINNAME_OVERFLOW;
353 if (label_len > LDNS_MAX_LABELLEN) {
354 return LDNS_STATUS_LABEL_OVERFLOW;
356 if (label_len == 0) {
357 return LDNS_STATUS_EMPTY_LABEL;
359 len += label_len + 1;
365 /* octet value or literal char */
367 if (! parse_escape(q, &s)) {
368 return LDNS_STATUS_SYNTAX_BAD_ESCAPE;
379 /* add root label if last char was not '.' */
380 if (!ldns_dname_str_absolute(str)) {
381 if (q > buf + LDNS_MAX_DOMAINLEN) {
382 return LDNS_STATUS_DOMAINNAME_OVERFLOW;
384 if (label_len > LDNS_MAX_LABELLEN) {
385 return LDNS_STATUS_LABEL_OVERFLOW;
387 if (label_len == 0) { /* label_len 0 but not . at end? */
388 return LDNS_STATUS_EMPTY_LABEL;
390 len += label_len + 1;
396 *d = ldns_rdf_new_frm_data(LDNS_RDF_TYPE_DNAME, len, buf);
397 return LDNS_STATUS_OK;
401 ldns_str2rdf_a(ldns_rdf **rd, const char *str)
404 if (inet_pton(AF_INET, (char*)str, &address) != 1) {
405 return LDNS_STATUS_INVALID_IP4;
407 *rd = ldns_rdf_new_frm_data(
408 LDNS_RDF_TYPE_A, sizeof(address), &address);
410 return *rd?LDNS_STATUS_OK:LDNS_STATUS_MEM_ERR;
414 ldns_str2rdf_aaaa(ldns_rdf **rd, const char *str)
416 uint8_t address[LDNS_IP6ADDRLEN + 1];
418 if (inet_pton(AF_INET6, (char*)str, address) != 1) {
419 return LDNS_STATUS_INVALID_IP6;
421 *rd = ldns_rdf_new_frm_data(
422 LDNS_RDF_TYPE_AAAA, sizeof(address) - 1, &address);
424 return *rd?LDNS_STATUS_OK:LDNS_STATUS_MEM_ERR;
428 ldns_str2rdf_str(ldns_rdf **rd, const char *str)
430 uint8_t *data, *dp, ch = 0;
433 /* Worst case space requirement. We'll realloc to actual size later. */
434 dp = data = LDNS_XMALLOC(uint8_t, strlen(str) > 255 ? 256 : (strlen(str) + 1));
436 return LDNS_STATUS_MEM_ERR;
439 /* Fill data (up to 255 characters) */
440 while (parse_char(&ch, &str)) {
441 if (dp - data >= 255) {
443 return LDNS_STATUS_INVALID_STR;
448 return LDNS_STATUS_SYNTAX_BAD_ESCAPE;
450 length = (size_t)(dp - data);
451 /* Fix last length byte */
452 data[0] = (uint8_t)length;
454 /* Lose the overmeasure */
455 data = LDNS_XREALLOC(dp = data, uint8_t, length + 1);
458 return LDNS_STATUS_MEM_ERR;
462 *rd = ldns_rdf_new(LDNS_RDF_TYPE_STR, length + 1, data);
465 return LDNS_STATUS_MEM_ERR;
467 return LDNS_STATUS_OK;
471 ldns_str2rdf_apl(ldns_rdf **rd, const char *str)
473 const char *my_str = str;
480 uint8_t afdlength = 0;
488 /* [!]afi:address/prefix */
489 if (strlen(my_str) < 2
490 || strchr(my_str, ':') == NULL
491 || strchr(my_str, '/') == NULL
492 || strchr(my_str, ':') > strchr(my_str, '/')) {
493 return LDNS_STATUS_INVALID_STR;
496 if (my_str[0] == '!') {
503 family = (uint16_t) atoi(my_str);
505 my_str = strchr(my_str, ':') + 1;
507 /* need ip addr and only ip addr for inet_pton */
508 ip_str_len = (size_t) (strchr(my_str, '/') - my_str);
509 my_ip_str = LDNS_XMALLOC(char, ip_str_len + 1);
510 if(!my_ip_str) return LDNS_STATUS_MEM_ERR;
511 strncpy(my_ip_str, my_str, ip_str_len + 1);
512 my_ip_str[ip_str_len] = '\0';
516 afdpart = LDNS_XMALLOC(uint8_t, 4);
518 LDNS_FREE(my_ip_str);
519 return LDNS_STATUS_MEM_ERR;
521 if (inet_pton(AF_INET, my_ip_str, afdpart) == 0) {
522 LDNS_FREE(my_ip_str);
524 return LDNS_STATUS_INVALID_STR;
526 for (i = 0; i < 4; i++) {
527 if (afdpart[i] != 0) {
531 } else if (family == 2) {
533 afdpart = LDNS_XMALLOC(uint8_t, 16);
535 LDNS_FREE(my_ip_str);
536 return LDNS_STATUS_MEM_ERR;
538 if (inet_pton(AF_INET6, my_ip_str, afdpart) == 0) {
539 LDNS_FREE(my_ip_str);
541 return LDNS_STATUS_INVALID_STR;
543 for (i = 0; i < 16; i++) {
544 if (afdpart[i] != 0) {
550 LDNS_FREE(my_ip_str);
551 return LDNS_STATUS_INVALID_STR;
554 my_str = strchr(my_str, '/') + 1;
555 prefix = (uint8_t) atoi(my_str);
557 data = LDNS_XMALLOC(uint8_t, 4 + afdlength);
560 LDNS_FREE(my_ip_str);
561 return LDNS_STATUS_INVALID_STR;
563 ldns_write_uint16(data, family);
567 /* set bit 1 of byte 3 */
568 data[3] = data[3] | 0x80;
571 memcpy(data + 4, afdpart, afdlength);
573 *rd = ldns_rdf_new_frm_data(LDNS_RDF_TYPE_APL, afdlength + 4, data);
576 LDNS_FREE(my_ip_str);
578 return *rd?LDNS_STATUS_OK:LDNS_STATUS_MEM_ERR;
582 ldns_str2rdf_b64(ldns_rdf **rd, const char *str)
587 buffer = LDNS_XMALLOC(uint8_t, ldns_b64_ntop_calculate_size(strlen(str)));
589 return LDNS_STATUS_MEM_ERR;
592 i = (uint16_t)ldns_b64_pton((const char*)str, buffer,
593 ldns_b64_ntop_calculate_size(strlen(str)));
596 return LDNS_STATUS_INVALID_B64;
598 *rd = ldns_rdf_new_frm_data(
599 LDNS_RDF_TYPE_B64, (uint16_t) i, buffer);
603 return *rd?LDNS_STATUS_OK:LDNS_STATUS_MEM_ERR;
607 ldns_str2rdf_b32_ext(ldns_rdf **rd, const char *str)
611 /* first byte contains length of actual b32 data */
612 uint8_t len = ldns_b32_pton_calculate_size(strlen(str));
613 buffer = LDNS_XMALLOC(uint8_t, len + 1);
615 return LDNS_STATUS_MEM_ERR;
619 i = ldns_b32_pton_extended_hex((const char*)str, strlen(str), buffer + 1,
620 ldns_b32_ntop_calculate_size(strlen(str)));
623 return LDNS_STATUS_INVALID_B32_EXT;
625 *rd = ldns_rdf_new_frm_data(
626 LDNS_RDF_TYPE_B32_EXT, (uint16_t) i + 1, buffer);
630 return *rd?LDNS_STATUS_OK:LDNS_STATUS_MEM_ERR;
634 ldns_str2rdf_hex(ldns_rdf **rd, const char *str)
642 if (len > LDNS_MAX_RDFLEN * 2) {
643 return LDNS_STATUS_LABEL_OVERFLOW;
645 t = LDNS_XMALLOC(uint8_t, (len / 2) + 1);
647 return LDNS_STATUS_MEM_ERR;
650 /* Now process octet by octet... */
653 if (isspace((int) *str)) {
656 for (i = 16; i >= 1; i -= 15) {
657 while (*str && isspace((int) *str)) { str++; }
659 if (isxdigit((int) *str)) {
660 *t += ldns_hexdigit_to_int(*str) * i;
663 return LDNS_STATUS_ERR;
671 *rd = ldns_rdf_new_frm_data(LDNS_RDF_TYPE_HEX,
672 (size_t) (t - t_orig),
676 return *rd?LDNS_STATUS_OK:LDNS_STATUS_MEM_ERR;
680 ldns_str2rdf_nsec(ldns_rdf **rd, const char *str)
682 const char *delimiters = "\n\t ";
683 char *token = LDNS_XMALLOC(char, LDNS_MAX_RDFLEN);
684 ldns_buffer *str_buf;
687 size_t type_count = 0;
688 ldns_rr_type type_list[65536];
689 if(!token) return LDNS_STATUS_MEM_ERR;
692 return LDNS_STATUS_NULL;
695 str_buf = LDNS_MALLOC(ldns_buffer);
698 return LDNS_STATUS_MEM_ERR;
700 ldns_buffer_new_frm_data(str_buf, (char *)str, strlen(str));
701 if(ldns_buffer_status(str_buf) != LDNS_STATUS_OK) {
704 return LDNS_STATUS_MEM_ERR;
707 while ((c = ldns_bget_token(str_buf, token, delimiters, LDNS_MAX_RDFLEN)) != -1 && c != 0) {
708 if(type_count >= sizeof(type_list)) {
711 return LDNS_STATUS_ERR;
713 cur_type = ldns_get_rr_type_by_name(token);
714 type_list[type_count] = cur_type;
718 *rd = ldns_dnssec_create_nsec_bitmap(type_list,
723 ldns_buffer_free(str_buf);
724 return *rd?LDNS_STATUS_OK:LDNS_STATUS_MEM_ERR;
728 ldns_str2rdf_type(ldns_rdf **rd, const char *str)
731 type = htons(ldns_get_rr_type_by_name(str));
732 /* ldns_rr_type is a 16 bit value */
733 *rd = ldns_rdf_new_frm_data(
734 LDNS_RDF_TYPE_TYPE, sizeof(uint16_t), &type);
735 return *rd?LDNS_STATUS_OK:LDNS_STATUS_MEM_ERR;
739 ldns_str2rdf_class(ldns_rdf **rd, const char *str)
742 klass = htons(ldns_get_rr_class_by_name(str));
743 /* class is 16 bit */
744 *rd = ldns_rdf_new_frm_data(
745 LDNS_RDF_TYPE_CLASS, sizeof(uint16_t), &klass);
746 return *rd?LDNS_STATUS_OK:LDNS_STATUS_MEM_ERR;
749 /* An certificate alg field can either be specified as a 8 bits number
750 * or by its symbolic name. Handle both
753 ldns_str2rdf_cert_alg(ldns_rdf **rd, const char *str)
755 ldns_lookup_table *lt;
758 lt = ldns_lookup_by_name(ldns_cert_algorithms, str);
762 ldns_write_uint16(idd, (uint16_t) lt->id);
763 *rd = ldns_rdf_new_frm_data(
764 LDNS_RDF_TYPE_INT16, sizeof(uint16_t), idd);
766 st = LDNS_STATUS_ERR;
769 /* try as-is (a number) */
770 st = ldns_str2rdf_int16(rd, str);
771 if (st == LDNS_STATUS_OK &&
772 ldns_rdf2native_int16(*rd) == 0) {
773 st = LDNS_STATUS_CERT_BAD_ALGORITHM;
780 /* An alg field can either be specified as a 8 bits number
781 * or by its symbolic name. Handle both
784 ldns_str2rdf_alg(ldns_rdf **rd, const char *str)
786 ldns_lookup_table *lt;
789 lt = ldns_lookup_by_name(ldns_algorithms, str);
793 /* it was given as a integer */
794 *rd = ldns_native2rdf_int8(LDNS_RDF_TYPE_INT8, (uint8_t) lt->id);
796 st = LDNS_STATUS_ERR;
799 /* try as-is (a number) */
800 st = ldns_str2rdf_int8(rd, str);
806 ldns_str2rdf_unknown( ATTR_UNUSED(ldns_rdf **rd)
807 , ATTR_UNUSED(const char *str)
810 /* this should be caught in an earlier time (general str2host for
812 return LDNS_STATUS_NOT_IMPL;
816 ldns_str2rdf_service( ATTR_UNUSED(ldns_rdf **rd)
817 , ATTR_UNUSED(const char *str)
820 /* is this used? is this actually WKS? or SRV? */
821 return LDNS_STATUS_NOT_IMPL;
825 loc_parse_cm(char* my_str, char** endstr, uint8_t* m, uint8_t* e)
827 /* read <digits>[.<digits>][mM] */
828 /* into mantissa exponent format for LOC type */
829 uint32_t meters = 0, cm = 0, val;
830 while (isblank(*my_str)) {
833 meters = (uint32_t)strtol(my_str, &my_str, 10);
834 if (*my_str == '.') {
836 cm = (uint32_t)strtol(my_str, &my_str, 10);
853 if (*my_str == 'm' || *my_str == 'M') {
861 ldns_str2rdf_loc(ldns_rdf **rd, const char *str)
863 uint32_t latitude = 0;
864 uint32_t longitude = 0;
865 uint32_t altitude = 0;
868 uint32_t equator = (uint32_t) ldns_power(2, 31);
872 uint8_t size_b = 1, size_e = 2;
873 uint8_t horiz_pre_b = 1, horiz_pre_e = 6;
874 uint8_t vert_pre_b = 1, vert_pre_e = 3;
880 char *my_str = (char *) str;
882 /* only support version 0 */
883 if (isdigit((int) *my_str)) {
884 h = (uint32_t) strtol(my_str, &my_str, 10);
886 return LDNS_STATUS_INVALID_STR;
889 while (isblank((int) *my_str)) {
893 if (isdigit((int) *my_str)) {
894 m = (uint32_t) strtol(my_str, &my_str, 10);
895 } else if (*my_str == 'N' || *my_str == 'S') {
898 return LDNS_STATUS_INVALID_STR;
901 while (isblank((int) *my_str)) {
905 if (isdigit((int) *my_str)) {
906 s = strtod(my_str, &my_str);
909 while (isblank((int) *my_str)) {
913 if (*my_str == 'N') {
915 } else if (*my_str == 'S') {
918 return LDNS_STATUS_INVALID_STR;
925 /* add a little to make floor in conversion a round */
927 latitude = (uint32_t) s;
928 latitude += 1000 * 60 * m;
929 latitude += 1000 * 60 * 60 * h;
931 latitude = equator + latitude;
933 latitude = equator - latitude;
935 while (isblank(*my_str)) {
939 if (isdigit((int) *my_str)) {
940 h = (uint32_t) strtol(my_str, &my_str, 10);
942 return LDNS_STATUS_INVALID_STR;
945 while (isblank((int) *my_str)) {
949 if (isdigit((int) *my_str)) {
950 m = (uint32_t) strtol(my_str, &my_str, 10);
951 } else if (*my_str == 'E' || *my_str == 'W') {
954 return LDNS_STATUS_INVALID_STR;
957 while (isblank(*my_str)) {
961 if (isdigit((int) *my_str)) {
962 s = strtod(my_str, &my_str);
966 while (isblank(*my_str)) {
970 if (*my_str == 'E') {
972 } else if (*my_str == 'W') {
975 return LDNS_STATUS_INVALID_STR;
982 /* add a little to make floor in conversion a round */
984 longitude = (uint32_t) s;
985 longitude += 1000 * 60 * m;
986 longitude += 1000 * 60 * 60 * h;
989 longitude += equator;
991 longitude = equator - longitude;
994 altitude = (uint32_t)(strtod(my_str, &my_str)*100.0 +
996 if (*my_str == 'm' || *my_str == 'M') {
1000 if (strlen(my_str) > 0) {
1001 if(!loc_parse_cm(my_str, &my_str, &size_b, &size_e))
1002 return LDNS_STATUS_INVALID_STR;
1005 if (strlen(my_str) > 0) {
1006 if(!loc_parse_cm(my_str, &my_str, &horiz_pre_b, &horiz_pre_e))
1007 return LDNS_STATUS_INVALID_STR;
1010 if (strlen(my_str) > 0) {
1011 if(!loc_parse_cm(my_str, &my_str, &vert_pre_b, &vert_pre_e))
1012 return LDNS_STATUS_INVALID_STR;
1015 data = LDNS_XMALLOC(uint8_t, 16);
1017 return LDNS_STATUS_MEM_ERR;
1021 data[1] = ((size_b << 4) & 0xf0) | (size_e & 0x0f);
1022 data[2] = ((horiz_pre_b << 4) & 0xf0) | (horiz_pre_e & 0x0f);
1023 data[3] = ((vert_pre_b << 4) & 0xf0) | (vert_pre_e & 0x0f);
1024 ldns_write_uint32(data + 4, latitude);
1025 ldns_write_uint32(data + 8, longitude);
1026 ldns_write_uint32(data + 12, altitude);
1028 *rd = ldns_rdf_new_frm_data(
1029 LDNS_RDF_TYPE_LOC, 16, data);
1032 return *rd?LDNS_STATUS_OK:LDNS_STATUS_MEM_ERR;
1036 ldns_str2rdf_wks(ldns_rdf **rd, const char *str)
1038 uint8_t *bitmap = NULL;
1042 struct protoent *proto = NULL;
1043 struct servent *serv = NULL;
1046 ldns_buffer *str_buf;
1048 char *proto_str = NULL;
1050 if(strlen(str) == 0)
1051 token = LDNS_XMALLOC(char, 50);
1052 else token = LDNS_XMALLOC(char, strlen(str)+2);
1053 if(!token) return LDNS_STATUS_MEM_ERR;
1055 str_buf = LDNS_MALLOC(ldns_buffer);
1056 if(!str_buf) {LDNS_FREE(token); return LDNS_STATUS_MEM_ERR;}
1057 ldns_buffer_new_frm_data(str_buf, (char *)str, strlen(str));
1058 if(ldns_buffer_status(str_buf) != LDNS_STATUS_OK) {
1061 return LDNS_STATUS_MEM_ERR;
1064 while(ldns_bget_token(str_buf, token, "\t\n ", strlen(str)) > 0) {
1066 proto_str = strdup(token);
1070 ldns_buffer_free(str_buf);
1071 return LDNS_STATUS_INVALID_STR;
1074 serv = getservbyname(token, proto_str);
1076 serv_port = (int) ntohs((uint16_t) serv->s_port);
1078 serv_port = atoi(token);
1080 if (serv_port / 8 >= bm_len) {
1081 uint8_t *b2 = LDNS_XREALLOC(bitmap, uint8_t, (serv_port / 8) + 1);
1085 ldns_buffer_free(str_buf);
1087 return LDNS_STATUS_INVALID_STR;
1090 /* set to zero to be sure */
1091 for (; bm_len <= serv_port / 8; bm_len++) {
1095 ldns_set_bit(bitmap + (serv_port / 8), 7 - (serv_port % 8), true);
1099 if (!proto_str || !bitmap) {
1102 ldns_buffer_free(str_buf);
1104 return LDNS_STATUS_INVALID_STR;
1107 data = LDNS_XMALLOC(uint8_t, bm_len + 1);
1110 ldns_buffer_free(str_buf);
1113 return LDNS_STATUS_INVALID_STR;
1116 proto = getprotobyname(proto_str);
1118 data[0] = (uint8_t) proto->p_proto;
1119 } else if (proto_str) {
1120 data[0] = (uint8_t) atoi(proto_str);
1122 memcpy(data + 1, bitmap, (size_t) bm_len);
1124 *rd = ldns_rdf_new_frm_data(LDNS_RDF_TYPE_WKS, (uint16_t) (bm_len + 1), data);
1128 ldns_buffer_free(str_buf);
1131 #ifdef HAVE_ENDSERVENT
1134 #ifdef HAVE_ENDPROTOENT
1138 if(!*rd) return LDNS_STATUS_MEM_ERR;
1140 return LDNS_STATUS_OK;
1144 ldns_str2rdf_nsap(ldns_rdf **rd, const char *str)
1147 char* nsap_str = (char*) str;
1149 /* just a hex string with optional dots? */
1150 if (str[0] != '0' || str[1] != 'x') {
1151 return LDNS_STATUS_INVALID_STR;
1154 for (i=0; i < len; i++) {
1155 if (nsap_str[i] == '.')
1158 return ldns_str2rdf_hex(rd, str+2);
1163 ldns_str2rdf_atma(ldns_rdf **rd, const char *str)
1166 char* atma_str = (char*) str;
1169 /* just a hex string with optional dots? */
1171 for (i=0; i < len; i++) {
1172 if (atma_str[i] == '.')
1175 status = ldns_str2rdf_hex(rd, str);
1176 if (status != LDNS_STATUS_OK) {
1177 ; /* probably in e.164 format than */
1183 ldns_str2rdf_ipseckey(ldns_rdf **rd, const char *str)
1185 uint8_t precedence = 0;
1186 uint8_t gateway_type = 0;
1187 uint8_t algorithm = 0;
1188 char* gateway = NULL;
1189 char* publickey = NULL;
1191 ldns_buffer *str_buf;
1193 int token_count = 0;
1194 int ipseckey_len = 0;
1195 ldns_rdf* gateway_rdf = NULL;
1196 ldns_rdf* publickey_rdf = NULL;
1197 ldns_status status = LDNS_STATUS_OK;
1199 if(strlen(str) == 0)
1200 token = LDNS_XMALLOC(char, 256);
1201 else token = LDNS_XMALLOC(char, strlen(str)+2);
1202 if(!token) return LDNS_STATUS_MEM_ERR;
1204 str_buf = LDNS_MALLOC(ldns_buffer);
1205 if(!str_buf) {LDNS_FREE(token); return LDNS_STATUS_MEM_ERR;}
1206 ldns_buffer_new_frm_data(str_buf, (char *)str, strlen(str));
1207 if(ldns_buffer_status(str_buf) != LDNS_STATUS_OK) {
1210 return LDNS_STATUS_MEM_ERR;
1212 while(ldns_bget_token(str_buf, token, "\t\n ", strlen(str)) > 0) {
1213 switch (token_count) {
1215 precedence = (uint8_t)atoi(token);
1218 gateway_type = (uint8_t)atoi(token);
1221 algorithm = (uint8_t)atoi(token);
1224 gateway = strdup(token);
1225 if (!gateway || (gateway_type == 0 &&
1226 (token[0] != '.' || token[1] != '\0'))) {
1229 ldns_buffer_free(str_buf);
1230 return LDNS_STATUS_INVALID_STR;
1234 publickey = strdup(token);
1238 ldns_buffer_free(str_buf);
1239 return LDNS_STATUS_INVALID_STR;
1245 if (!gateway || !publickey) {
1249 LDNS_FREE(publickey);
1251 ldns_buffer_free(str_buf);
1252 return LDNS_STATUS_INVALID_STR;
1255 if (gateway_type == 1) {
1256 status = ldns_str2rdf_a(&gateway_rdf, gateway);
1257 } else if (gateway_type == 2) {
1258 status = ldns_str2rdf_aaaa(&gateway_rdf, gateway);
1259 } else if (gateway_type == 3) {
1260 status = ldns_str2rdf_dname(&gateway_rdf, gateway);
1263 if (status != LDNS_STATUS_OK) {
1267 LDNS_FREE(publickey);
1269 ldns_buffer_free(str_buf);
1270 return LDNS_STATUS_INVALID_STR;
1273 status = ldns_str2rdf_b64(&publickey_rdf, publickey);
1275 if (status != LDNS_STATUS_OK) {
1279 LDNS_FREE(publickey);
1281 ldns_buffer_free(str_buf);
1282 if (gateway_rdf) ldns_rdf_free(gateway_rdf);
1283 return LDNS_STATUS_INVALID_STR;
1286 /* now copy all into one ipseckey rdf */
1288 ipseckey_len = 3 + (int)ldns_rdf_size(gateway_rdf) + (int)ldns_rdf_size(publickey_rdf);
1290 ipseckey_len = 3 + (int)ldns_rdf_size(publickey_rdf);
1292 data = LDNS_XMALLOC(uint8_t, ipseckey_len);
1297 LDNS_FREE(publickey);
1299 ldns_buffer_free(str_buf);
1300 if (gateway_rdf) ldns_rdf_free(gateway_rdf);
1301 if (publickey_rdf) ldns_rdf_free(publickey_rdf);
1302 return LDNS_STATUS_MEM_ERR;
1305 data[0] = precedence;
1306 data[1] = gateway_type;
1307 data[2] = algorithm;
1311 ldns_rdf_data(gateway_rdf), ldns_rdf_size(gateway_rdf));
1312 memcpy(data + 3 + ldns_rdf_size(gateway_rdf),
1313 ldns_rdf_data(publickey_rdf), ldns_rdf_size(publickey_rdf));
1316 ldns_rdf_data(publickey_rdf), ldns_rdf_size(publickey_rdf));
1319 *rd = ldns_rdf_new_frm_data(LDNS_RDF_TYPE_IPSECKEY, (uint16_t) ipseckey_len, data);
1324 LDNS_FREE(publickey);
1326 ldns_buffer_free(str_buf);
1327 ldns_rdf_free(gateway_rdf);
1328 ldns_rdf_free(publickey_rdf);
1330 if(!*rd) return LDNS_STATUS_MEM_ERR;
1331 return LDNS_STATUS_OK;
1335 ldns_str2rdf_ilnp64(ldns_rdf **rd, const char *str)
1337 unsigned int a, b, c, d;
1341 if (sscanf(str, "%4x:%4x:%4x:%4x%n", &a, &b, &c, &d, &l) != 4 ||
1342 l != (int)strlen(str) || /* more data to read */
1343 strpbrk(str, "+-") /* signed hexes */
1345 return LDNS_STATUS_INVALID_ILNP64;
1347 shorts[0] = htons(a);
1348 shorts[1] = htons(b);
1349 shorts[2] = htons(c);
1350 shorts[3] = htons(d);
1351 *rd = ldns_rdf_new_frm_data(
1352 LDNS_RDF_TYPE_ILNP64, 4 * sizeof(uint16_t), &shorts);
1354 return *rd ? LDNS_STATUS_OK : LDNS_STATUS_MEM_ERR;
1358 ldns_str2rdf_eui48(ldns_rdf **rd, const char *str)
1360 unsigned int a, b, c, d, e, f;
1364 if (sscanf(str, "%2x-%2x-%2x-%2x-%2x-%2x%n",
1365 &a, &b, &c, &d, &e, &f, &l) != 6 ||
1366 l != (int)strlen(str) || /* more data to read */
1367 strpbrk(str, "+-") /* signed hexes */
1369 return LDNS_STATUS_INVALID_EUI48;
1377 *rd = ldns_rdf_new_frm_data(LDNS_RDF_TYPE_EUI48, 6, &bytes);
1379 return *rd ? LDNS_STATUS_OK : LDNS_STATUS_MEM_ERR;
1383 ldns_str2rdf_eui64(ldns_rdf **rd, const char *str)
1385 unsigned int a, b, c, d, e, f, g, h;
1389 if (sscanf(str, "%2x-%2x-%2x-%2x-%2x-%2x-%2x-%2x%n",
1390 &a, &b, &c, &d, &e, &f, &g, &h, &l) != 8 ||
1391 l != (int)strlen(str) || /* more data to read */
1392 strpbrk(str, "+-") /* signed hexes */
1394 return LDNS_STATUS_INVALID_EUI64;
1404 *rd = ldns_rdf_new_frm_data(LDNS_RDF_TYPE_EUI64, 8, &bytes);
1406 return *rd ? LDNS_STATUS_OK : LDNS_STATUS_MEM_ERR;
1410 ldns_str2rdf_tag(ldns_rdf **rd, const char *str)
1415 if (strlen(str) > 255) {
1416 return LDNS_STATUS_INVALID_TAG;
1418 for (ptr = str; *ptr; ptr++) {
1419 if (! isalnum(*ptr)) {
1420 return LDNS_STATUS_INVALID_TAG;
1423 data = LDNS_XMALLOC(uint8_t, strlen(str) + 1);
1425 return LDNS_STATUS_MEM_ERR;
1427 data[0] = strlen(str);
1428 memcpy(data + 1, str, strlen(str));
1430 *rd = ldns_rdf_new(LDNS_RDF_TYPE_TAG, strlen(str) + 1, data);
1433 return LDNS_STATUS_MEM_ERR;
1435 return LDNS_STATUS_OK;
1439 ldns_str2rdf_long_str(ldns_rdf **rd, const char *str)
1441 uint8_t *data, *dp, ch = 0;
1444 /* Worst case space requirement. We'll realloc to actual size later. */
1445 dp = data = LDNS_XMALLOC(uint8_t, strlen(str));
1447 return LDNS_STATUS_MEM_ERR;
1450 /* Fill data with parsed bytes */
1451 while (parse_char(&ch, &str)) {
1453 if (dp - data > LDNS_MAX_RDFLEN) {
1455 return LDNS_STATUS_INVALID_STR;
1459 return LDNS_STATUS_SYNTAX_BAD_ESCAPE;
1461 length = (size_t)(dp - data);
1463 /* Lose the overmeasure */
1464 data = LDNS_XREALLOC(dp = data, uint8_t, length);
1467 return LDNS_STATUS_MEM_ERR;
1471 *rd = ldns_rdf_new(LDNS_RDF_TYPE_LONG_STR, length, data);
1474 return LDNS_STATUS_MEM_ERR;
1476 return LDNS_STATUS_OK;
1480 ldns_str2rdf_hip(ldns_rdf **rd, const char *str)
1482 const char *hit = strchr(str, ' ') + 1;
1483 const char *pk = hit == NULL ? NULL : strchr(hit, ' ') + 1;
1484 size_t hit_size = hit == NULL ? 0
1485 : pk == NULL ? strlen(hit) : (size_t) (pk - hit) - 1;
1486 size_t pk_size = pk == NULL ? 0 : strlen(pk);
1487 size_t hit_wire_size = (hit_size + 1) / 2;
1488 size_t pk_wire_size = ldns_b64_pton_calculate_size(pk_size);
1489 size_t rdf_size = 4 + hit_wire_size + pk_wire_size;
1491 char *endptr; /* utility var for strtol usage */
1492 int algorithm = strtol(str, &endptr, 10);
1495 int hi, lo, written;
1497 if (hit_size == 0 || pk_size == 0 || (hit_size + 1) / 2 > 255
1498 || rdf_size > LDNS_MAX_RDFLEN
1499 || algorithm < 0 || algorithm > 255
1500 || (errno != 0 && algorithm == 0) /* out of range */
1501 || endptr == str /* no digits */) {
1503 return LDNS_STATUS_SYNTAX_ERR;
1505 if ((data = LDNS_XMALLOC(uint8_t, rdf_size)) == NULL) {
1507 return LDNS_STATUS_MEM_ERR;
1509 /* From RFC 5205 section 5. HIP RR Storage Format:
1510 *************************************************
1513 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
1514 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1515 | HIT length | PK algorithm | PK length |
1516 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1520 + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1522 +-+-+-+-+-+-+-+-+-+-+-+ +
1526 + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1528 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +
1530 ~ Rendezvous Servers ~
1532 + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1536 data[0] = (uint8_t) hit_wire_size;
1537 data[1] = (uint8_t) algorithm;
1539 for (dp = data + 4; *hit && *hit != ' '; dp++) {
1541 if ((hi = ldns_hexdigit_to_int(*hit++)) == -1 ||
1542 (lo = ldns_hexdigit_to_int(*hit++)) == -1) {
1545 return LDNS_STATUS_INVALID_HEX;
1547 *dp = (uint8_t) hi << 4 | lo;
1549 if ((written = ldns_b64_pton(pk, dp, pk_wire_size)) <= 0) {
1552 return LDNS_STATUS_INVALID_B64;
1555 /* Because ldns_b64_pton_calculate_size isn't always correct:
1556 * (we have to fix it at some point)
1558 pk_wire_size = (uint16_t) written;
1559 ldns_write_uint16(data + 2, pk_wire_size);
1560 rdf_size = 4 + hit_wire_size + pk_wire_size;
1563 if (! (*rd = ldns_rdf_new(LDNS_RDF_TYPE_HIP, rdf_size, data))) {
1566 return LDNS_STATUS_MEM_ERR;
1568 return LDNS_STATUS_OK;