usr.sbin/ypldap/ber.c

47 static void	ber_write(struct ber *ber, void *buf, size_t len);
50 static ssize_t	get_len(struct ber *b, ssize_t *len);
54 static ssize_t	ber_read(struct ber *ber, void *buf, size_t len);
160 	u_int i, len = 0;
171 			len = i;
174 			len = i;
178 	elm->be_len = len + 1;
189 	u_int i, len = 0;
200 			len = i;
203 			len = i;
207 	elm->be_len = len + 1;
268 ber_add_nstring(struct ber_element *prev, const char *string0, size_t len)
273 	if ((string = calloc(1, len)) == NULL)
280 	bcopy(string0, string, len);
282 	elm->be_len = len;
301 ber_get_nstring(struct ber_element *elm, void **p, size_t *len)
307 	*len = elm->be_len;
312 ber_add_bitstring(struct ber_element *prev, const void *v0, size_t len)
317 	if ((v = calloc(1, len)) == NULL)
324 	bcopy(v0, v, len);
326 	elm->be_len = len;
335 ber_get_bitstring(struct ber_element *elm, void **v, size_t *len)
341 	*len = elm->be_len;
390 ber_oid2ber(struct ber_oid *o, u_int8_t *buf, size_t len)
403 				if (len)
408 		if (len)
443 	size_t			 len;
448 	if ((len = ber_oid2ber(o, NULL, 0)) == 0)
451 	if ((buf = calloc(1, len)) == NULL)
455 	elm->be_len = len;
458 	if (ber_oid2ber(o, buf, len) != len)
498 	size_t		 len, i = 0, j = 0;
504 	len = elm->be_len;
512 	for (; i < len && j < BER_MAX_OID_LEN; i++) {
528 	size_t			 len;
541 			len = va_arg(ap, size_t);
542 			if ((ber = ber_add_bitstring(ber, p, len)) == NULL)
591 			len = va_arg(ap, size_t);
592 			if ((ber = ber_add_nstring(ber, s, len)) == NULL)
636 	size_t			*len, ret = 0, n = strlen(fmt);
648 			len = va_arg(ap, size_t *);
649 			if (ber_get_bitstring(ber, ptr, len) == -1)
700 			len = va_arg(ap, size_t *);
701 			if (ber_get_nstring(ber, ptr, len) == -1)
764 	size_t len;
767 	len = ber_calc_len(root);
768 	DPRINTF("write ber element of %zd bytes length\n", len);
770 	if (ber->br_wbuf != NULL && ber->br_wbuf + len > ber->br_wend) {
775 		if ((ber->br_wbuf = malloc(len)) == NULL)
777 		ber->br_wend = ber->br_wbuf + len;
788 		return write(ber->fd, ber->br_wbuf, len);
790 	return (len);
975 ber_write(struct ber *ber, void *buf, size_t len)
977 	if (ber->br_wptr + len <= ber->br_wend)
978 		bcopy(buf, ber->br_wptr, len);
979 	ber->br_wptr += len;
1023 get_len(struct ber *b, ssize_t *len)
1032 		*len = u;
1061 	*len = s;
1072 	ssize_t len, r, totlen = 0;
1080 	if ((r = get_len(ber, &len)) == -1)
1082 	DPRINTF("ber read element size %zd\n", len);
1083 	totlen += r + len;
1089 	if (ber->fd == -1 && len > ber->br_rend - ber->br_rptr) {
1095 	elm->be_len = len;
1122 		if (len > (ssize_t)sizeof(long long))
1124 		for (i = 0; i < len; i++) {
1137 		elm->be_val = malloc(len);
1141 		elm->be_len = len;
1142 		ber_read(ber, elm->be_val, len);
1146 		elm->be_val = malloc(len + 1);
1150 		elm->be_len = len;
1151 		ber_read(ber, elm->be_val, len);
1152 		((u_char *)elm->be_val)[len] = '\0';
1155 		if (len != 0)
1165 		while (len > 0) {
1169 			len -= r;
1170 			if (len > 0 && next->be_next == NULL) {
1186 	size_t	 len;
1192 	len = MINIMUM(nbytes, sz);
1193 	if (len == 0) {
1198 	bcopy(b->br_rptr, buf, len);
1199 	b->br_rptr += len;
1201 	return (len);
1205 ber_set_readbuf(struct ber *b, void *buf, size_t len)
1208 	b->br_rend = (u_int8_t *)buf + len;
1249 ber_read(struct ber *ber, void *buf, size_t len)
1252 	ssize_t	r, remain = len;