diff options
Diffstat (limited to 'crypto/openssh/dns.c')
| -rw-r--r-- | crypto/openssh/dns.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/crypto/openssh/dns.c b/crypto/openssh/dns.c index f2310bec2b08..939241440777 100644 --- a/crypto/openssh/dns.c +++ b/crypto/openssh/dns.c @@ -1,4 +1,4 @@ -/* $OpenBSD: dns.c,v 1.42 2022/02/01 23:32:51 djm Exp $ */ +/* $OpenBSD: dns.c,v 1.44 2023/03/10 04:06:21 dtucker Exp $ */ /* * Copyright (c) 2003 Wesley Griffin. All rights reserved. @@ -258,6 +258,7 @@ verify_host_key_dns(const char *hostname, struct sockaddr *address, if (!dns_read_key(&hostkey_algorithm, &dnskey_digest_type, &hostkey_digest, &hostkey_digest_len, hostkey)) { error("Error calculating key fingerprint."); + free(dnskey_digest); freerrset(fingerprints); return -1; } @@ -301,7 +302,8 @@ verify_host_key_dns(const char *hostname, struct sockaddr *address, * Export the fingerprint of a key as a DNS resource record */ int -export_dns_rr(const char *hostname, struct sshkey *key, FILE *f, int generic) +export_dns_rr(const char *hostname, struct sshkey *key, FILE *f, int generic, + int alg) { u_int8_t rdata_pubkey_algorithm = 0; u_int8_t rdata_digest_type = SSHFP_HASH_RESERVED; @@ -311,6 +313,8 @@ export_dns_rr(const char *hostname, struct sshkey *key, FILE *f, int generic) int success = 0; for (dtype = SSHFP_HASH_SHA1; dtype < SSHFP_HASH_MAX; dtype++) { + if (alg != -1 && dtype != alg) + continue; rdata_digest_type = dtype; if (dns_read_key(&rdata_pubkey_algorithm, &rdata_digest_type, &rdata_digest, &rdata_digest_len, key)) { |