diff options
| -rw-r--r-- | src/resolve/resolve-tool.c | 40 | ||||
| -rw-r--r-- | src/shared/gcrypt-util.h | 8 |
2 files changed, 38 insertions, 10 deletions
diff --git a/src/resolve/resolve-tool.c b/src/resolve/resolve-tool.c index 07e4cd7d1d..8aa79049b6 100644 --- a/src/resolve/resolve-tool.c +++ b/src/resolve/resolve-tool.c @@ -395,7 +395,7 @@ static int output_rr_packet(const void *d, size_t l, int ifindex) { return 0; } -static int resolve_record(sd_bus *bus, const char *name, uint16_t class, uint16_t type) { +static int resolve_record(sd_bus *bus, const char *name, uint16_t class, uint16_t type, bool warn_missing) { _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL; _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; char ifname[IF_NAMESIZE] = ""; @@ -430,7 +430,8 @@ static int resolve_record(sd_bus *bus, const char *name, uint16_t class, uint16_ r = sd_bus_call(bus, req, DNS_CALL_TIMEOUT_USEC, &error, &reply); if (r < 0) { - log_error("%s: resolve call failed: %s", name, bus_error_message(&error, r)); + if (warn_missing || r != -ENXIO) + log_error("%s: resolve call failed: %s", name, bus_error_message(&error, r)); return r; } @@ -488,7 +489,8 @@ static int resolve_record(sd_bus *bus, const char *name, uint16_t class, uint16_ return bus_log_parse_error(r); if (n == 0) { - log_error("%s: no records found", name); + if (warn_missing) + log_error("%s: no records found", name); return -ESRCH; } @@ -618,7 +620,7 @@ static int resolve_rfc4501(sd_bus *bus, const char *name) { if (type == 0) type = arg_type ?: DNS_TYPE_A; - return resolve_record(bus, n, class, type); + return resolve_record(bus, n, class, type, true); invalid: log_error("Invalid DNS URI: %s", name); @@ -840,16 +842,34 @@ static int resolve_openpgp(sd_bus *bus, const char *address) { } domain++; - r = string_hashsum_sha224(address, domain - 1 - address, &hashed); + r = string_hashsum_sha256(address, domain - 1 - address, &hashed); if (r < 0) return log_error_errno(r, "Hashing failed: %m"); + strshorten(hashed, 56); + full = strjoina(hashed, "._openpgpkey.", domain); log_debug("Looking up \"%s\".", full); - return resolve_record(bus, full, - arg_class ?: DNS_CLASS_IN, - arg_type ?: DNS_TYPE_OPENPGPKEY); + r = resolve_record(bus, full, + arg_class ?: DNS_CLASS_IN, + arg_type ?: DNS_TYPE_OPENPGPKEY, false); + + if (IN_SET(r, -ENXIO, -ESRCH)) { /* NXDOMAIN or NODATA? */ + hashed = NULL; + r = string_hashsum_sha224(address, domain - 1 - address, &hashed); + if (r < 0) + return log_error_errno(r, "Hashing failed: %m"); + + full = strjoina(hashed, "._openpgpkey.", domain); + log_debug("Looking up \"%s\".", full); + + return resolve_record(bus, full, + arg_class ?: DNS_CLASS_IN, + arg_type ?: DNS_TYPE_OPENPGPKEY, true); + } + + return r; } static int resolve_tlsa(sd_bus *bus, const char *address) { @@ -881,7 +901,7 @@ static int resolve_tlsa(sd_bus *bus, const char *address) { return resolve_record(bus, full, arg_class ?: DNS_CLASS_IN, - arg_type ?: DNS_TYPE_TLSA); + arg_type ?: DNS_TYPE_TLSA, true); } static int show_statistics(sd_bus *bus) { @@ -1877,7 +1897,7 @@ int main(int argc, char **argv) { while (argv[optind]) { int k; - k = resolve_record(bus, argv[optind], arg_class, arg_type); + k = resolve_record(bus, argv[optind], arg_class, arg_type, true); if (r == 0) r = k; diff --git a/src/shared/gcrypt-util.h b/src/shared/gcrypt-util.h index cf33b3c59c..1da12a32be 100644 --- a/src/shared/gcrypt-util.h +++ b/src/shared/gcrypt-util.h @@ -37,3 +37,11 @@ static inline int string_hashsum_sha224(const char *s, size_t len, char **out) { return -EOPNOTSUPP; #endif } + +static inline int string_hashsum_sha256(const char *s, size_t len, char **out) { +#ifdef HAVE_GCRYPT + return string_hashsum(s, len, GCRY_MD_SHA256, out); +#else + return -EOPNOTSUPP; +#endif +} |