/* SPDX-License-Identifier: LGPL-2.1+ */
#include <getopt.h>
+#include <locale.h>
#include <net/if.h>
#include "sd-bus.h"
#include "bus-util.h"
#include "dns-domain.h"
#include "escape.h"
+#include "format-util.h"
#include "gcrypt-util.h"
#include "in-addr-util.h"
#include "main-func.h"
+#include "missing_network.h"
#include "netlink-util.h"
#include "pager.h"
#include "parse-util.h"
STATUS_ALL,
STATUS_DNS,
STATUS_DOMAIN,
+ STATUS_DEFAULT_ROUTE,
STATUS_LLMNR,
STATUS_MDNS,
STATUS_PRIVATE,
STATUS_NTA,
} StatusMode;
-static int parse_ifindex_and_warn(const char *s) {
- int ifi;
-
- assert(s);
-
- if (parse_ifindex(s, &ifi) < 0) {
- ifi = if_nametoindex(s);
- if (ifi <= 0)
- return log_error_errno(errno, "Unknown interface '%s': %m", s);
- }
-
- return ifi;
-}
-
-int ifname_mangle(const char *s, bool allow_loopback) {
+int ifname_mangle(const char *s) {
_cleanup_free_ char *iface = NULL;
const char *dot;
- int r;
+ int ifi, r;
assert(s);
- if (arg_ifname) {
- assert(arg_ifindex >= 0);
-
- if (!allow_loopback && arg_ifindex == LOOPBACK_IFINDEX)
- return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
- "Interface can't be the loopback interface (lo). Sorry.");
-
- return 1;
- }
-
dot = strchr(s, '.');
if (dot) {
+ log_debug("Ignoring protocol specifier '%s'.", dot + 1);
iface = strndup(s, dot - s);
- if (!iface)
- return log_oom();
- log_debug("Ignoring protocol specifier '%s'.", dot + 1);
- } else {
+ } else
iface = strdup(s);
- if (!iface)
- return log_oom();
- }
-
- if (parse_ifindex(iface, &r) < 0) {
- r = if_nametoindex(iface);
- if (r <= 0) {
- if (errno == ENODEV && arg_ifindex_permissive) {
- log_debug("Interface '%s' not found, but -f specified, ignoring.", iface);
- return 0; /* done */
- }
+ if (!iface)
+ return log_oom();
- return log_error_errno(errno, "Unknown interface '%s': %m", iface);
+ r = parse_ifindex_or_ifname(iface, &ifi);
+ if (r < 0) {
+ if (r == -ENODEV && arg_ifindex_permissive) {
+ log_debug("Interface '%s' not found, but -f specified, ignoring.", iface);
+ return 0; /* done */
}
+
+ return log_error_errno(r, "Unknown interface '%s': %m", iface);
}
- if (!allow_loopback && r == LOOPBACK_IFINDEX)
- return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
- "Interface can't be the loopback interface (lo). Sorry.");
+ if (arg_ifindex > 0 && arg_ifindex != ifi)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Specified multiple different interfaces. Refusing.");
- arg_ifindex = r;
- arg_ifname = TAKE_PTR(iface);
+ arg_ifindex = ifi;
+ free_and_replace(arg_ifname, iface);
return 1;
}
if (flags == 0)
return;
- fputs("\n-- Information acquired via", stdout);
+ printf("\n%s-- Information acquired via", ansi_grey());
if (flags != 0)
printf(" protocol%s%s%s%s%s",
assert_se(format_timespan(rtt_str, sizeof(rtt_str), rtt, 100));
- printf(" in %s", rtt_str);
+ printf(" in %s.%s\n"
+ "%s-- Data is authenticated: %s%s\n",
+ rtt_str, ansi_normal(),
+ ansi_grey(), yes_no(flags & SD_RESOLVED_AUTHENTICATED), ansi_normal());
+}
+
+static void print_ifindex_comment(int printed_so_far, int ifindex) {
+ char ifname[IF_NAMESIZE + 1];
- fputc('.', stdout);
- fputc('\n', stdout);
+ if (ifindex <= 0)
+ return;
- printf("-- Data is authenticated: %s\n", yes_no(flags & SD_RESOLVED_AUTHENTICATED));
+ if (!format_ifname(ifindex, ifname))
+ log_warning_errno(errno, "Failed to resolve interface name for index %i, ignoring: %m", ifindex);
+ else
+ printf("%*s%s-- link: %s%s",
+ 60 > printed_so_far ? 60 - printed_so_far : 0, " ", /* Align comment to the 60th column */
+ ansi_grey(), ifname, ansi_normal());
}
static int resolve_host(sd_bus *bus, const char *name) {
while ((r = sd_bus_message_enter_container(reply, 'r', "iiay")) > 0) {
_cleanup_free_ char *pretty = NULL;
- char ifname[IF_NAMESIZE] = "";
- int ifindex, family;
+ int ifindex, family, k;
const void *a;
size_t sz;
return -EINVAL;
}
- if (ifindex > 0 && !if_indextoname(ifindex, ifname))
- log_warning_errno(errno, "Failed to resolve interface name for index %i: %m", ifindex);
-
r = in_addr_ifindex_to_string(family, a, ifindex, &pretty);
if (r < 0)
return log_error_errno(r, "Failed to print address for %s: %m", name);
- printf("%*s%s %s%s%s\n",
- (int) strlen(name), c == 0 ? name : "", c == 0 ? ":" : " ",
- pretty,
- isempty(ifname) ? "" : "%", ifname);
+ k = printf("%*s%s %s%s%s",
+ (int) strlen(name), c == 0 ? name : "", c == 0 ? ":" : " ",
+ ansi_highlight(), pretty, ansi_normal());
+
+ print_ifindex_comment(k, ifindex);
+ fputc('\n', stdout);
c++;
}
_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;
_cleanup_free_ char *pretty = NULL;
- char ifname[IF_NAMESIZE] = "";
uint64_t flags;
unsigned c = 0;
usec_t ts;
if (r < 0)
return log_oom();
- if (ifindex > 0 && !if_indextoname(ifindex, ifname))
- return log_error_errno(errno, "Failed to resolve interface name for index %i: %m", ifindex);
-
- log_debug("Resolving %s%s%s.", pretty, isempty(ifname) ? "" : "%", ifname);
+ log_debug("Resolving %s.", pretty);
r = sd_bus_message_new_method_call(
bus,
while ((r = sd_bus_message_enter_container(reply, 'r', "is")) > 0) {
const char *n;
+ int k;
assert_cc(sizeof(int) == sizeof(int32_t));
if (r < 0)
return r;
- ifname[0] = 0;
- if (ifindex > 0 && !if_indextoname(ifindex, ifname))
- log_warning_errno(errno, "Failed to resolve interface name for index %i: %m", ifindex);
+ k = printf("%*s%s %s%s%s",
+ (int) strlen(pretty), c == 0 ? pretty : "",
+ c == 0 ? ":" : " ",
+ ansi_highlight(), n, ansi_normal());
- printf("%*s%*s%*s%s %s\n",
- (int) strlen(pretty), c == 0 ? pretty : "",
- isempty(ifname) ? 0 : 1, c > 0 || isempty(ifname) ? "" : "%",
- (int) strlen(ifname), c == 0 ? ifname : "",
- c == 0 ? ":" : " ",
- n);
+ print_ifindex_comment(k, ifindex);
+ fputc('\n', stdout);
c++;
}
_cleanup_(dns_resource_record_unrefp) DnsResourceRecord *rr = NULL;
_cleanup_(dns_packet_unrefp) DnsPacket *p = NULL;
int r;
- char ifname[IF_NAMESIZE] = "";
r = dns_packet_new(&p, DNS_PROTOCOL_DNS, 0, DNS_PACKET_SIZE_MAX);
if (r < 0)
fwrite(data, 1, k, stdout);
} else {
const char *s;
+ int k;
s = dns_resource_record_to_string(rr);
if (!s)
return log_oom();
- if (ifindex > 0 && !if_indextoname(ifindex, ifname))
- log_warning_errno(errno, "Failed to resolve interface name for index %i: %m", ifindex);
-
- printf("%s%s%s\n", s, isempty(ifname) ? "" : " # interface ", ifname);
+ k = printf("%s", s);
+ print_ifindex_comment(k, ifindex);
+ fputc('\n', stdout);
}
return 0;
while ((r = sd_bus_message_enter_container(reply, 'r', "iiay")) > 0) {
_cleanup_free_ char *pretty = NULL;
- char ifname[IF_NAMESIZE] = "";
- int ifindex, family;
+ int ifindex, family, k;
const void *a;
assert_cc(sizeof(int) == sizeof(int32_t));
return -EINVAL;
}
- if (ifindex > 0 && !if_indextoname(ifindex, ifname))
- log_warning_errno(errno, "Failed to resolve interface name for index %i: %m", ifindex);
-
- r = in_addr_to_string(family, a, &pretty);
+ r = in_addr_ifindex_to_string(family, a, ifindex, &pretty);
if (r < 0)
return log_error_errno(r, "Failed to print address for %s: %m", name);
- printf("%*s%s%s%s\n", (int) indent, "", pretty, isempty(ifname) ? "" : "%s", ifname);
+ k = printf("%*s%s", (int) indent, "", pretty);
+ print_ifindex_comment(k, ifindex);
+ fputc('\n', stdout);
}
if (r < 0)
return bus_log_parse_error(r);
char **domains;
char **ntas;
bool dnssec_supported;
+ bool default_route;
};
static void link_info_clear(struct link_info *p) {
{ "DNS", "a(iay)", map_link_dns_servers, offsetof(struct link_info, dns) },
{ "CurrentDNSServer", "(iay)", map_link_current_dns_server, offsetof(struct link_info, current_dns) },
{ "Domains", "a(sb)", map_link_domains, offsetof(struct link_info, domains) },
+ { "DefaultRoute", "b", NULL, offsetof(struct link_info, default_route) },
{ "LLMNR", "s", NULL, offsetof(struct link_info, llmnr) },
{ "MulticastDNS", "s", NULL, offsetof(struct link_info, mdns) },
{ "DNSOverTLS", "s", NULL, offsetof(struct link_info, dns_over_tls) },
_cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
_cleanup_(link_info_clear) struct link_info link_info = {};
_cleanup_free_ char *ifi = NULL, *p = NULL;
- char ifname[IF_NAMESIZE] = "";
+ char ifname[IF_NAMESIZE + 1] = "";
char **i;
int r;
assert(ifindex > 0);
if (!name) {
- if (!if_indextoname(ifindex, ifname))
+ if (!format_ifname(ifindex, ifname))
return log_error_errno(errno, "Failed to resolve interface name for %i: %m", ifindex);
name = ifname;
if (mode == STATUS_NTA)
return status_print_strv_ifindex(ifindex, name, link_info.ntas);
+ if (mode == STATUS_DEFAULT_ROUTE) {
+ printf("%sLink %i (%s)%s: %s\n",
+ ansi_highlight(), ifindex, name, ansi_normal(),
+ yes_no(link_info.default_route));
+
+ return 0;
+ }
+
if (mode == STATUS_LLMNR) {
printf("%sLink %i (%s)%s: %s\n",
ansi_highlight(), ifindex, name, ansi_normal(),
link_info.scopes_mask & SD_RESOLVED_MDNS_IPV4 ? " mDNS/IPv4" : "",
link_info.scopes_mask & SD_RESOLVED_MDNS_IPV6 ? " mDNS/IPv6" : "");
- printf(" LLMNR setting: %s\n"
+ printf("DefaultRoute setting: %s\n"
+ " LLMNR setting: %s\n"
"MulticastDNS setting: %s\n"
" DNSOverTLS setting: %s\n"
" DNSSEC setting: %s\n"
" DNSSEC supported: %s\n",
+ yes_no(link_info.default_route),
strna(link_info.llmnr),
strna(link_info.mdns),
strna(link_info.dns_over_tls),
STRV_FOREACH(ifname, argv + 1) {
int ifindex;
- ifindex = parse_ifindex_and_warn(*ifname);
- if (ifindex < 0)
+ q = parse_ifindex_or_ifname(*ifname, &ifindex);
+ if (q < 0) {
+ log_error_errno(q, "Unknown interface '%s', ignoring: %m", *ifname);
continue;
+ }
q = status_ifindex(bus, ifindex, NULL, STATUS_ALL, &empty_line);
if (q < 0)
}
static int log_interface_is_managed(int r, int ifindex) {
- char ifname[IFNAMSIZ];
+ char ifname[IF_NAMESIZE + 1];
return log_error_errno(r,
"The specified interface %s is managed by systemd-networkd. Operation refused.\n"
"Please configure DNS settings for systemd-networkd managed interfaces directly in their .network files.",
- strna(if_indextoname(ifindex, ifname)));
+ strna(format_ifname(ifindex, ifname)));
}
static int verb_dns(int argc, char **argv, void *userdata) {
assert(bus);
- if (argc <= 1)
- return status_all(bus, STATUS_DNS);
+ if (argc >= 2) {
+ r = ifname_mangle(argv[1]);
+ if (r < 0)
+ return r;
+ }
- r = ifname_mangle(argv[1], false);
- if (r < 0)
- return r;
+ if (arg_ifindex <= 0)
+ return status_all(bus, STATUS_DNS);
- if (argc == 2)
+ if (argc < 3)
return status_ifindex(bus, arg_ifindex, NULL, STATUS_DNS, NULL);
r = sd_bus_message_new_method_call(
assert(bus);
- if (argc <= 1)
- return status_all(bus, STATUS_DOMAIN);
+ if (argc >= 2) {
+ r = ifname_mangle(argv[1]);
+ if (r < 0)
+ return r;
+ }
- r = ifname_mangle(argv[1], false);
- if (r < 0)
- return r;
+ if (arg_ifindex <= 0)
+ return status_all(bus, STATUS_DOMAIN);
- if (argc == 2)
+ if (argc < 3)
return status_ifindex(bus, arg_ifindex, NULL, STATUS_DOMAIN, NULL);
r = sd_bus_message_new_method_call(
return 0;
}
+static int verb_default_route(int argc, char **argv, void *userdata) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ sd_bus *bus = userdata;
+ int r, b;
+
+ assert(bus);
+
+ if (argc >= 2) {
+ r = ifname_mangle(argv[1]);
+ if (r < 0)
+ return r;
+ }
+
+ if (arg_ifindex <= 0)
+ return status_all(bus, STATUS_DEFAULT_ROUTE);
+
+ if (argc < 3)
+ return status_ifindex(bus, arg_ifindex, NULL, STATUS_DEFAULT_ROUTE, NULL);
+
+ b = parse_boolean(argv[2]);
+ if (b < 0)
+ return log_error_errno(b, "Failed to parse boolean argument: %s", argv[2]);
+
+ r = sd_bus_call_method(bus,
+ "org.freedesktop.resolve1",
+ "/org/freedesktop/resolve1",
+ "org.freedesktop.resolve1.Manager",
+ "SetLinkDefaultRoute",
+ &error,
+ NULL,
+ "ib", arg_ifindex, b);
+ if (r < 0) {
+ if (sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY))
+ return log_interface_is_managed(r, arg_ifindex);
+
+ if (arg_ifindex_permissive &&
+ sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
+ return 0;
+
+ return log_error_errno(r, "Failed to set default route configuration: %s", bus_error_message(&error, r));
+ }
+
+ return 0;
+}
+
static int verb_llmnr(int argc, char **argv, void *userdata) {
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
sd_bus *bus = userdata;
assert(bus);
- if (argc <= 1)
- return status_all(bus, STATUS_LLMNR);
+ if (argc >= 2) {
+ r = ifname_mangle(argv[1]);
+ if (r < 0)
+ return r;
+ }
- r = ifname_mangle(argv[1], false);
- if (r < 0)
- return r;
+ if (arg_ifindex <= 0)
+ return status_all(bus, STATUS_LLMNR);
- if (argc == 2)
+ if (argc < 3)
return status_ifindex(bus, arg_ifindex, NULL, STATUS_LLMNR, NULL);
r = sd_bus_call_method(bus,
assert(bus);
- if (argc <= 1)
- return status_all(bus, STATUS_MDNS);
+ if (argc >= 2) {
+ r = ifname_mangle(argv[1]);
+ if (r < 0)
+ return r;
+ }
- r = ifname_mangle(argv[1], false);
- if (r < 0)
- return r;
+ if (arg_ifindex <= 0)
+ return status_all(bus, STATUS_MDNS);
- if (argc == 2)
+ if (argc < 3)
return status_ifindex(bus, arg_ifindex, NULL, STATUS_MDNS, NULL);
r = sd_bus_call_method(bus,
assert(bus);
- if (argc <= 1)
- return status_all(bus, STATUS_PRIVATE);
+ if (argc >= 2) {
+ r = ifname_mangle(argv[1]);
+ if (r < 0)
+ return r;
+ }
- r = ifname_mangle(argv[1], false);
- if (r < 0)
- return r;
+ if (arg_ifindex <= 0)
+ return status_all(bus, STATUS_PRIVATE);
- if (argc == 2)
+ if (argc < 3)
return status_ifindex(bus, arg_ifindex, NULL, STATUS_PRIVATE, NULL);
r = sd_bus_call_method(bus,
assert(bus);
- if (argc <= 1)
- return status_all(bus, STATUS_DNSSEC);
+ if (argc >= 2) {
+ r = ifname_mangle(argv[1]);
+ if (r < 0)
+ return r;
+ }
- r = ifname_mangle(argv[1], false);
- if (r < 0)
- return r;
+ if (arg_ifindex <= 0)
+ return status_all(bus, STATUS_DNSSEC);
- if (argc == 2)
+ if (argc < 3)
return status_ifindex(bus, arg_ifindex, NULL, STATUS_DNSSEC, NULL);
r = sd_bus_call_method(bus,
assert(bus);
- if (argc <= 1)
- return status_all(bus, STATUS_NTA);
+ if (argc >= 2) {
+ r = ifname_mangle(argv[1]);
+ if (r < 0)
+ return r;
+ }
- r = ifname_mangle(argv[1], false);
- if (r < 0)
- return r;
+ if (arg_ifindex <= 0)
+ return status_all(bus, STATUS_NTA);
- if (argc == 2)
+ if (argc < 3)
return status_ifindex(bus, arg_ifindex, NULL, STATUS_NTA, NULL);
/* If only argument is the empty string, then call SetLinkDNSSECNegativeTrustAnchors()
assert(bus);
- r = ifname_mangle(argv[1], false);
- if (r < 0)
- return r;
+ if (argc >= 2) {
+ r = ifname_mangle(argv[1]);
+ if (r < 0)
+ return r;
+ }
+
+ if (arg_ifindex <= 0)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Interface argument required.");
r = sd_bus_call_method(bus,
"org.freedesktop.resolve1",
" reset-server-features Forget learnt DNS server feature levels\n"
" dns [LINK [SERVER...]] Get/set per-interface DNS server address\n"
" domain [LINK [DOMAIN...]] Get/set per-interface search domain\n"
+ " default-route [LINK [BOOL]] Get/set per-interface default route flag\n"
" llmnr [LINK [MODE]] Get/set per-interface LLMNR mode\n"
" mdns [LINK [MODE]] Get/set per-interface MulticastDNS mode\n"
" dnsovertls [LINK [MODE]] Get/set per-interface DNS-over-TLS mode\n"
break;
case 'i':
- arg_ifname = mfree(arg_ifname);
- r = ifname_mangle(optarg, true);
+ r = ifname_mangle(optarg);
if (r < 0)
return r;
break;
if (arg_ifindex <= 0)
return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
"--set-dns=, --set-domain=, --set-llmnr=, --set-mdns=, --set-dnsovertls=, --set-dnssec=, --set-nta= and --revert require --interface=.");
-
- if (arg_ifindex == LOOPBACK_IFINDEX)
- return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
- "Interface can't be the loopback interface (lo). Sorry.");
}
return 1 /* work to do */;
break;
case 'i':
- arg_ifname = mfree(arg_ifname);
- r = ifname_mangle(optarg, true);
+ r = ifname_mangle(optarg);
if (r < 0)
return r;
break;
{ "reset-server-features", VERB_ANY, 1, 0, reset_server_features },
{ "dns", VERB_ANY, VERB_ANY, 0, verb_dns },
{ "domain", VERB_ANY, VERB_ANY, 0, verb_domain },
+ { "default-route", VERB_ANY, 3, 0, verb_default_route },
{ "llmnr", VERB_ANY, 3, 0, verb_llmnr },
{ "mdns", VERB_ANY, 3, 0, verb_mdns },
- { "dnsovertls", VERB_ANY, 3, 0, verb_dns_over_tls },
+ { "dnsovertls", VERB_ANY, 3, 0, verb_dns_over_tls },
{ "dnssec", VERB_ANY, 3, 0, verb_dnssec },
{ "nta", VERB_ANY, VERB_ANY, 0, verb_nta },
- { "revert", 2, 2, 0, verb_revert_link },
+ { "revert", VERB_ANY, 2, 0, verb_revert_link },
{}
};
int r;
setlocale(LC_ALL, "");
+ log_show_color(true);
log_parse_environment();
log_open();
projects / thirdparty / systemd.git / blobdiff