diff options
Diffstat (limited to 'src/resolve/resolved-link-bus.c')
| -rw-r--r-- | src/resolve/resolved-link-bus.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/src/resolve/resolved-link-bus.c b/src/resolve/resolved-link-bus.c index 6aff427192..bfb87d78e7 100644 --- a/src/resolve/resolved-link-bus.c +++ b/src/resolve/resolved-link-bus.c @@ -18,6 +18,7 @@ ***/ #include "alloc-util.h" +#include "bus-common-errors.h" #include "bus-util.h" #include "parse-util.h" #include "resolve-util.h" @@ -158,6 +159,17 @@ static int property_get_dnssec_supported( return sd_bus_message_append(reply, "b", link_dnssec_supported(l)); } +static int verify_unmanaged_link(Link *l, sd_bus_error *error) { + assert(l); + + if (l->flags & IFF_LOOPBACK) + return sd_bus_error_setf(error, BUS_ERROR_LINK_BUSY, "Link %s is loopback device.", l->name); + if (l->is_managed) + return sd_bus_error_setf(error, BUS_ERROR_LINK_BUSY, "Link %s is managed.", l->name); + + return 0; +} + int bus_link_method_set_dns_servers(sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_free_ struct in_addr_data *dns = NULL; size_t allocated = 0, n = 0; @@ -168,6 +180,10 @@ int bus_link_method_set_dns_servers(sd_bus_message *message, void *userdata, sd_ assert(message); assert(l); + r = verify_unmanaged_link(l, error); + if (r < 0) + return r; + r = sd_bus_message_enter_container(message, 'a', "(iay)"); if (r < 0) return r; @@ -249,6 +265,10 @@ int bus_link_method_set_domains(sd_bus_message *message, void *userdata, sd_bus_ assert(message); assert(l); + r = verify_unmanaged_link(l, error); + if (r < 0) + return r; + r = sd_bus_message_enter_container(message, 'a', "(sb)"); if (r < 0) return r; @@ -328,6 +348,10 @@ int bus_link_method_set_llmnr(sd_bus_message *message, void *userdata, sd_bus_er assert(message); assert(l); + r = verify_unmanaged_link(l, error); + if (r < 0) + return r; + r = sd_bus_message_read(message, "s", &llmnr); if (r < 0) return r; @@ -356,6 +380,10 @@ int bus_link_method_set_mdns(sd_bus_message *message, void *userdata, sd_bus_err assert(message); assert(l); + r = verify_unmanaged_link(l, error); + if (r < 0) + return r; + r = sd_bus_message_read(message, "s", &mdns); if (r < 0) return r; @@ -384,6 +412,10 @@ int bus_link_method_set_dnssec(sd_bus_message *message, void *userdata, sd_bus_e assert(message); assert(l); + r = verify_unmanaged_link(l, error); + if (r < 0) + return r; + r = sd_bus_message_read(message, "s", &dnssec); if (r < 0) return r; @@ -411,6 +443,10 @@ int bus_link_method_set_dnssec_negative_trust_anchors(sd_bus_message *message, v assert(message); assert(l); + r = verify_unmanaged_link(l, error); + if (r < 0) + return r; + r = sd_bus_message_read_strv(message, &ntas); if (r < 0) return r; @@ -442,10 +478,15 @@ int bus_link_method_set_dnssec_negative_trust_anchors(sd_bus_message *message, v int bus_link_method_revert(sd_bus_message *message, void *userdata, sd_bus_error *error) { Link *l = userdata; + int r; assert(message); assert(l); + r = verify_unmanaged_link(l, error); + if (r < 0) + return r; + link_flush_settings(l); link_allocate_scopes(l); link_add_rrs(l, false); |