diff options
Diffstat (limited to 'src/resolve/resolved-dns-dnssec.c')
| -rw-r--r-- | src/resolve/resolved-dns-dnssec.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/resolve/resolved-dns-dnssec.c b/src/resolve/resolved-dns-dnssec.c index a0433b2387..9eb54d44db 100644 --- a/src/resolve/resolved-dns-dnssec.c +++ b/src/resolve/resolved-dns-dnssec.c @@ -64,6 +64,19 @@ * Normal RR → RRSIG/DNSKEY+ → DS → RRSIG/DNSKEY+ → DS → ... → DS → RRSIG/DNSKEY+ → DS */ +static void initialize_libgcrypt(void) { + const char *p; + + if (gcry_control(GCRYCTL_INITIALIZATION_FINISHED_P)) + return; + + p = gcry_check_version("1.4.5"); + assert(p); + + gcry_control(GCRYCTL_DISABLE_SECMEM); + gcry_control(GCRYCTL_INITIALIZATION_FINISHED, 0); +} + static bool dnssec_algorithm_supported(int algorithm) { return IN_SET(algorithm, DNSSEC_ALGORITHM_RSASHA1, @@ -329,6 +342,8 @@ int dnssec_verify_rrset( /* Bring the RRs into canonical order */ qsort_safe(list, n, sizeof(DnsResourceRecord*), rr_compare); + initialize_libgcrypt(); + /* OK, the RRs are now in canonical order. Let's calculate the digest */ switch (rrsig->rrsig.algorithm) { @@ -717,6 +732,8 @@ int dnssec_verify_dnskey(DnsResourceRecord *dnskey, DnsResourceRecord *ds) { if (dnssec_keytag(dnskey) != ds->ds.key_tag) return 0; + initialize_libgcrypt(); + algorithm = digest_to_gcrypt(ds->ds.digest_type); if (algorithm < 0) return algorithm; |