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-rw-r--r--src/resolve/resolve-tool.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/src/resolve/resolve-tool.c b/src/resolve/resolve-tool.c
index 9aade8e490..c1be03fbb2 100644
--- a/src/resolve/resolve-tool.c
+++ b/src/resolve/resolve-tool.c
@@ -339,6 +339,7 @@ static int resolve_record(sd_bus *bus, const char *name, uint16_t class, uint16_
uint64_t flags;
int r;
usec_t ts;
+ bool needs_authentication = false;
assert(name);
@@ -421,6 +422,10 @@ static int resolve_record(sd_bus *bus, const char *name, uint16_t class, uint16_
log_warning_errno(errno, "Failed to resolve interface name for index %i: %m", ifindex);
printf("%s%s%s\n", s, isempty(ifname) ? "" : " # interface ", ifname);
+
+ if (dns_type_needs_authentication(t))
+ needs_authentication = true;
+
n++;
}
if (r < 0)
@@ -441,6 +446,18 @@ static int resolve_record(sd_bus *bus, const char *name, uint16_t class, uint16_
print_source(flags, ts);
+ if ((flags & SD_RESOLVED_AUTHENTICATED) == 0 && needs_authentication) {
+ fflush(stdout);
+
+ fprintf(stderr, "\n%s"
+ "WARNING: The resources shown contain cryptographic key data which could not be\n"
+ " authenticated. It is not suitable to authenticate any communication.\n"
+ " This is usually indication that DNSSEC authentication was not enabled\n"
+ " or is not available for the selected protocol or DNS servers.%s\n",
+ ansi_highlight_red(),
+ ansi_normal());
+ }
+
return 0;
}