chiark / gitweb /
networkctl: show the link file applied to each link
[elogind.git] / src / network / networkctl.c
index d5d3c80a3cb269bebc12c058c84b634ed4da67dd..b374121fbc8d80cbe84beb2a5f33b6da417c2331 100644 (file)
 #include "udev-util.h"
 #include "arphrd-list.h"
 #include "local-addresses.h"
+#include "socket-util.h"
 
 static bool arg_no_pager = false;
 static bool arg_legend = true;
+static bool arg_all = false;
 
 static void pager_open_if_enabled(void) {
 
@@ -87,13 +89,103 @@ static int link_get_type_string(int iftype, struct udev_device *d, char **ret) {
         return 0;
 }
 
+typedef struct LinkInfo {
+        const char *name;
+        int ifindex;
+        unsigned iftype;
+} LinkInfo;
+
+static int link_info_compare(const void *a, const void *b) {
+        const LinkInfo *x = a, *y = b;
+
+        return x->ifindex - y->ifindex;
+}
+
+static int decode_and_sort_links(sd_rtnl_message *m, LinkInfo **ret) {
+        _cleanup_free_ LinkInfo *links = NULL;
+        size_t size = 0, c = 0;
+        sd_rtnl_message *i;
+        int r;
+
+        for (i = m; i; i = sd_rtnl_message_next(i)) {
+                const char *name;
+                unsigned iftype;
+                uint16_t type;
+                int ifindex;
+
+                r = sd_rtnl_message_get_type(i, &type);
+                if (r < 0)
+                        return r;
+
+                if (type != RTM_NEWLINK)
+                        continue;
+
+                r = sd_rtnl_message_link_get_ifindex(i, &ifindex);
+                if (r < 0)
+                        return r;
+
+                r = sd_rtnl_message_read_string(i, IFLA_IFNAME, &name);
+                if (r < 0)
+                        return r;
+
+                r = sd_rtnl_message_link_get_type(i, &iftype);
+                if (r < 0)
+                        return r;
+
+                if (!GREEDY_REALLOC(links, size, c+1))
+                        return -ENOMEM;
+
+                links[c].name = name;
+                links[c].ifindex = ifindex;
+                links[c].iftype = iftype;
+                c++;
+        }
+
+        qsort_safe(links, c, sizeof(LinkInfo), link_info_compare);
+
+        *ret = links;
+        links = NULL;
+
+        return (int) c;
+}
+
+static void operational_state_to_color(const char *state, const char **on, const char **off) {
+        assert(on);
+        assert(off);
+
+        if (streq_ptr(state, "routable")) {
+                *on = ansi_highlight_green();
+                *off = ansi_highlight_off();
+        } else if (streq_ptr(state, "degraded")) {
+                *on = ansi_highlight_yellow();
+                *off = ansi_highlight_off();
+        } else
+                *on = *off = "";
+}
+
+static void setup_state_to_color(const char *state, const char **on, const char **off) {
+        assert(on);
+        assert(off);
+
+        if (streq_ptr(state, "configured")) {
+                *on = ansi_highlight_green();
+                *off = ansi_highlight_off();
+        } else if (streq_ptr(state, "configuring")) {
+                *on = ansi_highlight_yellow();
+                *off = ansi_highlight_off();
+        } else if (streq_ptr(state, "failed") || streq_ptr(state, "linger")) {
+                *on = ansi_highlight_red();
+                *off = ansi_highlight_off();
+        } else
+                *on = *off = "";
+}
+
 static int list_links(char **args, unsigned n) {
         _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL, *reply = NULL;
         _cleanup_udev_unref_ struct udev *udev = NULL;
         _cleanup_rtnl_unref_ sd_rtnl *rtnl = NULL;
-        sd_rtnl_message *i;
-        unsigned c = 0;
-        int r;
+        _cleanup_free_ LinkInfo *links = NULL;
+        int r, c, i;
 
         pager_open_if_enabled();
 
@@ -124,51 +216,39 @@ static int list_links(char **args, unsigned n) {
         }
 
         if (arg_legend)
-                printf("%3s %-16s %-10s %-10s %-10s\n", "IDX", "LINK", "TYPE", "STATE", "OPERATIONAL");
+                printf("%3s %-16s %-18s %-11s %-10s\n", "IDX", "LINK", "TYPE", "OPERATIONAL", "SETUP");
+
+        c = decode_and_sort_links(reply, &links);
+        if (c < 0)
+                return rtnl_log_parse_error(c);
 
-        for (i = reply; i; i = sd_rtnl_message_next(i)) {
-                _cleanup_free_ char *state = NULL, *operational_state = NULL;
+        for (i = 0; i < c; i++) {
+                _cleanup_free_ char *setup_state = NULL, *operational_state = NULL;
                 _cleanup_udev_device_unref_ struct udev_device *d = NULL;
-                char devid[2 + DECIMAL_STR_MAX(int)];
+                const char *on_color_operational, *off_color_operational,
+                           *on_color_setup, *off_color_setup;
+                 char devid[2 + DECIMAL_STR_MAX(int)];
                 _cleanup_free_ char *t = NULL;
-                const char *name;
-                unsigned iftype;
-                uint16_t type;
-                int ifindex;
-
-                r = sd_rtnl_message_get_type(i, &type);
-                if (r < 0)
-                        return rtnl_log_parse_error(r);
 
-                if (type != RTM_NEWLINK)
-                        continue;
+                sd_network_link_get_operational_state(links[i].ifindex, &operational_state);
+                operational_state_to_color(operational_state, &on_color_operational, &off_color_operational);
 
-                r = sd_rtnl_message_link_get_ifindex(i, &ifindex);
-                if (r < 0)
-                        return rtnl_log_parse_error(r);
+                sd_network_link_get_setup_state(links[i].ifindex, &setup_state);
+                setup_state_to_color(setup_state, &on_color_setup, &off_color_setup);
 
-                r = sd_rtnl_message_read_string(i, IFLA_IFNAME, &name);
-                if (r < 0)
-                        return rtnl_log_parse_error(r);
-
-                r = sd_rtnl_message_link_get_type(i, &iftype);
-                if (r < 0)
-                        return rtnl_log_parse_error(r);
-
-                sd_network_get_link_state(ifindex, &state);
-                sd_network_get_link_operational_state(ifindex, &operational_state);
-
-                sprintf(devid, "n%i", ifindex);
+                sprintf(devid, "n%i", links[i].ifindex);
                 d = udev_device_new_from_device_id(udev, devid);
 
-                link_get_type_string(iftype, d, &t);
+                link_get_type_string(links[i].iftype, d, &t);
 
-                printf("%3i %-16s %-10s %-10s %-10s\n", ifindex, name, strna(t), strna(state), strna(operational_state));
-                c++;
+                printf("%3i %-16s %-18s %s%-11s%s %s%-10s%s\n",
+                       links[i].ifindex, links[i].name, strna(t),
+                       on_color_operational, strna(operational_state), off_color_operational,
+                       on_color_setup, strna(setup_state), off_color_setup);
         }
 
         if (arg_legend)
-                printf("\n%u links listed.\n", c);
+                printf("\n%i links listed.\n", c);
 
         return 0;
 }
@@ -208,172 +288,253 @@ static void dump_list(const char *prefix, char **l) {
         }
 }
 
-static int link_status(char **args, unsigned n) {
-        _cleanup_udev_unref_ struct udev *udev = NULL;
-        _cleanup_rtnl_unref_ sd_rtnl *rtnl = NULL;
-        char **name;
-        int r;
-
-        if (n <= 1) {
-                _cleanup_free_ char *operational_state = NULL;
-                _cleanup_strv_free_ char **dns = NULL, **ntp = NULL;
-
-                sd_network_get_operational_state(&operational_state);
-                if (operational_state)
-                        printf("       State: %s\n", operational_state);
-
-                sd_network_get_dns(&dns);
-                if (!strv_isempty(dns))
-                        dump_list("         DNS: ", dns);
-
-                sd_network_get_dns(&ntp);
-                if (!strv_isempty(ntp))
-                        dump_list("         NTP: ", ntp);
+static int link_status_one(sd_rtnl *rtnl, struct udev *udev, const char *name) {
+        _cleanup_strv_free_ char **dns = NULL, **ntp = NULL, **domains = NULL;
+        _cleanup_free_ char *setup_state = NULL, *operational_state = NULL;
+        _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL, *reply = NULL;
+        _cleanup_udev_device_unref_ struct udev_device *d = NULL;
+        char devid[2 + DECIMAL_STR_MAX(int)];
+        _cleanup_free_ char *t = NULL, *network = NULL;
+        const char *driver = NULL, *path = NULL, *vendor = NULL, *model = NULL, *link = NULL;
+        const char *on_color_operational, *off_color_operational,
+                   *on_color_setup, *off_color_setup;
+        struct ether_addr e;
+        unsigned iftype;
+        int r, ifindex;
+        bool have_mac;
+        uint32_t mtu;
+
+        assert(rtnl);
+        assert(udev);
+        assert(name);
+
+        if (safe_atoi(name, &ifindex) >= 0 && ifindex > 0)
+                r = sd_rtnl_message_new_link(rtnl, &req, RTM_GETLINK, ifindex);
+        else {
+                r = sd_rtnl_message_new_link(rtnl, &req, RTM_GETLINK, 0);
+                if (r < 0)
+                        return rtnl_log_create_error(r);
 
-                return 0;
+                r = sd_rtnl_message_append_string(req, IFLA_IFNAME, name);
         }
 
-        pager_open_if_enabled();
+        if (r < 0)
+                return rtnl_log_create_error(r);
 
-        r = sd_rtnl_open(&rtnl, 0);
+        r = sd_rtnl_call(rtnl, req, 0, &reply);
         if (r < 0) {
-                log_error("Failed to connect to netlink: %s", strerror(-r));
+                log_error("Failed to query link: %s", strerror(-r));
                 return r;
         }
 
-        udev = udev_new();
-        if (!udev) {
-                log_error("Failed to connect to udev: %m");
-                return -errno;
-        }
+        r = sd_rtnl_message_link_get_ifindex(reply, &ifindex);
+        if (r < 0)
+                return rtnl_log_parse_error(r);
 
-        STRV_FOREACH(name, args + 1) {
-                _cleanup_strv_free_ char **dns = NULL, **ntp = NULL;
-                _cleanup_free_ char *state = NULL, *operational_state = NULL;
-                _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL, *reply = NULL;
-                _cleanup_udev_device_unref_ struct udev_device *d = NULL;
-                const char *canonical_name = NULL;
-                char devid[2 + DECIMAL_STR_MAX(int)];
-                int ifindex, canonical_ifindex;
-                _cleanup_free_ char *t = NULL;
-                const char *driver = NULL, *path = NULL, *vendor = NULL, *model = NULL;
-                struct ether_addr e;
-                unsigned iftype;
-                bool have_mac;
-                uint32_t mtu;
+        r = sd_rtnl_message_read_string(reply, IFLA_IFNAME, &name);
+        if (r < 0)
+                return rtnl_log_parse_error(r);
 
-                if (name != args+1)
-                        printf("\n");
+        r = sd_rtnl_message_link_get_type(reply, &iftype);
+        if (r < 0)
+                return rtnl_log_parse_error(r);
 
-                if (safe_atoi(*name, &ifindex) >= 0 && ifindex > 0)
-                        r = sd_rtnl_message_new_link(rtnl, &req, RTM_GETLINK, ifindex);
-                else {
-                        r = sd_rtnl_message_new_link(rtnl, &req, RTM_GETLINK, 0);
-                        if (r < 0)
-                                return rtnl_log_create_error(r);
+        have_mac = sd_rtnl_message_read_ether_addr(reply, IFLA_ADDRESS, &e) >= 0;
 
-                        r = sd_rtnl_message_append_string(req, IFLA_IFNAME, *name);
-                }
+        if (have_mac) {
+                const uint8_t *p;
+                bool all_zeroes = true;
 
-                if (r < 0)
-                        return rtnl_log_create_error(r);
+                for (p = (uint8_t*) &e; p < (uint8_t*) &e + sizeof(e); p++)
+                        if (*p != 0) {
+                                all_zeroes = false;
+                                break;
+                        }
 
-                r = sd_rtnl_call(rtnl, req, 0, &reply);
-                if (r < 0) {
-                        log_error("Failed to query link: %s", strerror(-r));
-                        continue;
-                }
+                if (all_zeroes)
+                        have_mac = false;
+        }
 
-                r = sd_rtnl_message_link_get_ifindex(reply, &canonical_ifindex);
-                if (r < 0)
-                        return rtnl_log_parse_error(r);
+        sd_rtnl_message_read_u32(reply, IFLA_MTU, &mtu);
 
-                r = sd_rtnl_message_read_string(reply, IFLA_IFNAME, &canonical_name);
-                if (r < 0)
-                        return rtnl_log_parse_error(r);
+        sd_network_link_get_operational_state(ifindex, &operational_state);
+        operational_state_to_color(operational_state, &on_color_operational, &off_color_operational);
 
-                r = sd_rtnl_message_link_get_type(reply, &iftype);
-                if (r < 0)
-                        return rtnl_log_parse_error(r);
+        sd_network_link_get_setup_state(ifindex, &setup_state);
+        setup_state_to_color(setup_state, &on_color_setup, &off_color_setup);
 
-                have_mac = sd_rtnl_message_read_ether_addr(reply, IFLA_ADDRESS, &e) >= 0;
+        sd_network_link_get_dns(ifindex, &dns);
+        sd_network_link_get_ntp(ifindex, &ntp);
+        sd_network_link_get_domains(ifindex, &domains);
+        r = sd_network_link_get_wildcard_domain(ifindex);
+        if (r > 0) {
+                char *wildcard;
 
-                if (have_mac) {
-                        const uint8_t *p;
-                        bool all_zeroes = true;
+                wildcard = strdup("*");
+                if (!wildcard)
+                        return log_oom();
 
-                        for (p = (uint8_t*) &e; p < (uint8_t*) &e + sizeof(e); p++)
-                                if (*p != 0) {
-                                        all_zeroes = false;
-                                        break;
-                                }
+                if (strv_consume(&domains, wildcard) < 0)
+                        return log_oom();
+        }
 
-                        if (all_zeroes)
-                                have_mac = false;
-                }
+        sprintf(devid, "n%i", ifindex);
+        d = udev_device_new_from_device_id(udev, devid);
 
-                sd_rtnl_message_read_u32(reply, IFLA_MTU, &mtu);
+        link_get_type_string(iftype, d, &t);
 
-                sd_network_get_link_state(canonical_ifindex, &state);
-                sd_network_get_link_operational_state(canonical_ifindex, &operational_state);
+        if (d) {
+                link = udev_device_get_property_value(d, "ID_NET_LINK_FILE");
+                driver = udev_device_get_property_value(d, "ID_NET_DRIVER");
+                path = udev_device_get_property_value(d, "ID_PATH");
 
-                sd_network_get_link_dns(canonical_ifindex, &dns);
-                sd_network_get_link_ntp(canonical_ifindex, &ntp);
+                vendor = udev_device_get_property_value(d, "ID_VENDOR_FROM_DATABASE");
+                if (!vendor)
+                        vendor = udev_device_get_property_value(d, "ID_VENDOR");
 
-                sprintf(devid, "n%i", canonical_ifindex);
-                d = udev_device_new_from_device_id(udev, devid);
+                model = udev_device_get_property_value(d, "ID_MODEL_FROM_DATABASE");
+                if (!model)
+                        model = udev_device_get_property_value(d, "ID_MODEL");
+        }
 
-                link_get_type_string(iftype, d, &t);
+        sd_network_link_get_network_file(ifindex, &network);
+
+        printf("%s%s%s %i: %s\n", on_color_operational, draw_special_char(DRAW_BLACK_CIRCLE), off_color_operational, ifindex, name);
+
+        printf("   Link File: %s\n"
+               "Network File: %s\n"
+               "        Type: %s\n"
+               "       State: %s%s%s (%s%s%s)\n",
+               strna(link),
+               strna(network),
+               strna(t),
+               on_color_operational, strna(operational_state), off_color_operational,
+               on_color_setup, strna(setup_state), off_color_setup);
+
+        if (path)
+                printf("        Path: %s\n", path);
+        if (driver)
+                printf("      Driver: %s\n", driver);
+        if (vendor)
+                printf("      Vendor: %s\n", vendor);
+        if (model)
+                printf("       Model: %s\n", model);
+
+        if (have_mac) {
+                char ea[ETHER_ADDR_TO_STRING_MAX];
+                printf("  HW Address: %s\n", ether_addr_to_string(&e, ea));
+        }
 
-                if (d) {
-                        driver = udev_device_get_property_value(d, "ID_NET_DRIVER");
-                        path = udev_device_get_property_value(d, "ID_PATH");
+        if (mtu > 0)
+                printf("         MTU: %u\n", mtu);
 
-                        vendor = udev_device_get_property_value(d, "ID_VENDOR_FROM_DATABASE");
-                        if (!vendor)
-                                vendor = udev_device_get_property_value(d, "ID_VENDOR");
+        dump_addresses(rtnl, "     Address: ", ifindex);
 
-                        model = udev_device_get_property_value(d, "ID_MODEL_FROM_DATABASE");
-                        if (!model)
-                                model = udev_device_get_property_value(d, "ID_MODEL");
-                }
+        if (!strv_isempty(dns))
+                dump_list("         DNS: ", dns);
+        if (!strv_isempty(domains))
+                dump_list("      Domain: ", domains);
+        if (!strv_isempty(ntp))
+                dump_list("         NTP: ", ntp);
 
-                printf("%i: %s\n", canonical_ifindex, canonical_name);
+        return 0;
+}
 
-                printf("        Type: %s\n"
-                       "       State: %s (%s)\n",
-                       strna(t),
-                       strna(operational_state),
-                       strna(state));
+static int link_status(char **args, unsigned n) {
+        _cleanup_udev_unref_ struct udev *udev = NULL;
+        _cleanup_rtnl_unref_ sd_rtnl *rtnl = NULL;
+        char **name;
+        int r;
 
-                if (path)
-                        printf("        Path: %s\n", path);
-                if (driver)
-                        printf("      Driver: %s\n", driver);
-                if (vendor)
-                        printf("      Vendor: %s\n", vendor);
-                if (model)
-                        printf("       Model: %s\n", model);
+        r = sd_rtnl_open(&rtnl, 0);
+        if (r < 0) {
+                log_error("Failed to connect to netlink: %s", strerror(-r));
+                return r;
+        }
 
-                if (have_mac) {
-                        _cleanup_free_ char *h = NULL;
+        udev = udev_new();
+        if (!udev) {
+                log_error("Failed to connect to udev: %m");
+                return -errno;
+        }
 
-                        h = hexmem(&e, sizeof(e));
-                        if (!h)
-                                return log_oom();
+        if (n <= 1 && !arg_all) {
+                _cleanup_free_ char *operational_state = NULL;
+                _cleanup_strv_free_ char **dns = NULL, **ntp = NULL, **domains = NULL;
+                _cleanup_free_ struct local_address *addresses = NULL;
+                const char *on_color_operational, *off_color_operational;
+                int i, c;
 
-                        printf("  HW Address: %s\n", h);
-                }
+                sd_network_get_operational_state(&operational_state);
+                operational_state_to_color(operational_state, &on_color_operational, &off_color_operational);
+
+                printf("       State: %s%s%s\n", on_color_operational, strna(operational_state), off_color_operational);
 
-                if (mtu > 0)
-                        printf("         MTU: %u\n", mtu);
+                c = local_addresses(rtnl, 0, &addresses);
+                for (i = 0; i < c; i++) {
+                        _cleanup_free_ char *pretty = NULL;
 
-                dump_addresses(rtnl, "     Address: ", canonical_ifindex);
+                        r = in_addr_to_string(addresses[i].family, &addresses[i].address, &pretty);
+                        if (r < 0)
+                                return log_oom();
 
+                        printf("%13s %s\n",
+                               i > 0 ? "" : "Address:", pretty);
+                }
+
+                sd_network_get_dns(&dns);
                 if (!strv_isempty(dns))
                         dump_list("         DNS: ", dns);
+
+                sd_network_get_domains(&domains);
+                if (!strv_isempty(domains))
+                        dump_list("      Domain: ", domains);
+
+                sd_network_get_ntp(&ntp);
                 if (!strv_isempty(ntp))
                         dump_list("         NTP: ", ntp);
+
+                return 0;
+        }
+
+        pager_open_if_enabled();
+
+        if (arg_all) {
+                _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL, *reply = NULL;
+                _cleanup_free_ LinkInfo *links = NULL;
+                int c, i;
+
+                r = sd_rtnl_message_new_link(rtnl, &req, RTM_GETLINK, 0);
+                if (r < 0)
+                        return rtnl_log_create_error(r);
+
+                r = sd_rtnl_message_request_dump(req, true);
+                if (r < 0)
+                        return rtnl_log_create_error(r);
+
+                r = sd_rtnl_call(rtnl, req, 0, &reply);
+                if (r < 0) {
+                        log_error("Failed to enumerate links: %s", strerror(-r));
+                        return r;
+                }
+
+                c = decode_and_sort_links(reply, &links);
+                if (c < 0)
+                        return rtnl_log_parse_error(c);
+
+                for (i = 0; i < c; i++) {
+                        if (i > 0)
+                                fputc('\n', stdout);
+
+                        link_status_one(rtnl, udev, links[i].name);
+                }
+        }
+
+        STRV_FOREACH(name, args + 1) {
+                if (name != args+1)
+                        fputc('\n', stdout);
+
+                link_status_one(rtnl, udev, *name);
         }
 
         return 0;
@@ -383,7 +544,10 @@ static void help(void) {
         printf("%s [OPTIONS...]\n\n"
                "Query and control the networking subsystem.\n\n"
                "  -h --help             Show this help\n"
-               "     --version          Show package version\n\n"
+               "     --version          Show package version\n"
+               "     --no-pager         Do not pipe output into a pager\n"
+               "     --no-legend        Do not show the headers and footers\n"
+               "  -a --all              Show status for all links\n\n"
                "Commands:\n"
                "  list                  List links\n"
                "  status LINK           Show link status\n"
@@ -403,6 +567,7 @@ static int parse_argv(int argc, char *argv[]) {
                 { "version",   no_argument,       NULL, ARG_VERSION   },
                 { "no-pager",  no_argument,       NULL, ARG_NO_PAGER  },
                 { "no-legend", no_argument,       NULL, ARG_NO_LEGEND },
+                { "all",       no_argument,       NULL, 'a'           },
                 {}
         };
 
@@ -411,7 +576,7 @@ static int parse_argv(int argc, char *argv[]) {
         assert(argc >= 0);
         assert(argv);
 
-        while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0) {
+        while ((c = getopt_long(argc, argv, "ha", options, NULL)) >= 0) {
 
                 switch (c) {
 
@@ -432,6 +597,10 @@ static int parse_argv(int argc, char *argv[]) {
                         arg_legend = false;
                         break;
 
+                case 'a':
+                        arg_all = true;
+                        break;
+
                 case '?':
                         return -EINVAL;