diff options
Diffstat (limited to 'src/machine/machinectl.c')
-rw-r--r-- | src/machine/machinectl.c | 341 |
1 files changed, 259 insertions, 82 deletions
diff --git a/src/machine/machinectl.c b/src/machine/machinectl.c index ddec6cb4d6..7b9be3b425 100644 --- a/src/machine/machinectl.c +++ b/src/machine/machinectl.c @@ -60,6 +60,9 @@ #include "util.h" #include "verbs.h" #include "web-util.h" +#include "stdio-util.h" + +#define ALL_IP_ADDRESSES -1 static char **arg_property = NULL; static bool arg_all = false; @@ -82,6 +85,9 @@ static ImportVerify arg_verify = IMPORT_VERIFY_SIGNATURE; static const char* arg_format = NULL; static const char *arg_uid = NULL; static char **arg_setenv = NULL; +static int arg_addrs = 1; + +static int print_addresses(sd_bus *bus, const char *name, int, const char *pr1, const char *pr2, int n_addr); static void polkit_agent_open_if_enabled(void) { @@ -109,6 +115,8 @@ typedef struct MachineInfo { const char *name; const char *class; const char *service; + char *os; + char *version_id; } MachineInfo; static int compare_machine_info(const void *a, const void *b) { @@ -117,12 +125,92 @@ static int compare_machine_info(const void *a, const void *b) { return strcmp(x->name, y->name); } +static void clean_machine_info(MachineInfo *machines, size_t n_machines) { + size_t i; + + if (!machines || n_machines == 0) + return; + + for (i = 0; i < n_machines; i++) { + free(machines[i].os); + free(machines[i].version_id); + } + free(machines); +} + +static int get_os_release_property(sd_bus *bus, const char *name, const char *query, ...) { + _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; + const char *k, *v, *iter, **query_res = NULL; + size_t count = 0, awaited_args = 0; + va_list ap; + int r; + + assert(bus); + assert(name); + assert(query); + + NULSTR_FOREACH(iter, query) + awaited_args++; + query_res = newa0(const char *, awaited_args); + + r = sd_bus_call_method(bus, + "org.freedesktop.machine1", + "/org/freedesktop/machine1", + "org.freedesktop.machine1.Manager", + "GetMachineOSRelease", + NULL, &reply, "s", name); + if (r < 0) + return r; + + r = sd_bus_message_enter_container(reply, 'a', "{ss}"); + if (r < 0) + return bus_log_parse_error(r); + + while ((r = sd_bus_message_read(reply, "{ss}", &k, &v)) > 0) { + count = 0; + NULSTR_FOREACH(iter, query) { + if (streq(k, iter)) { + query_res[count] = v; + break; + } + count++; + } + } + if (r < 0) + return bus_log_parse_error(r); + + r = sd_bus_message_exit_container(reply); + if (r < 0) + return bus_log_parse_error(r); + + va_start(ap, query); + for (count = 0; count < awaited_args; count++) { + char *val, **out; + + out = va_arg(ap, char **); + assert(out); + if (query_res[count]) { + val = strdup(query_res[count]); + if (!val) { + va_end(ap); + return log_oom(); + } + *out = val; + } + } + va_end(ap); + + return 0; +} + static int list_machines(int argc, char *argv[], void *userdata) { - size_t max_name = strlen("MACHINE"), max_class = strlen("CLASS"), max_service = strlen("SERVICE"); + size_t max_name = strlen("MACHINE"), max_class = strlen("CLASS"), + max_service = strlen("SERVICE"), max_os = strlen("OS"), max_version_id = strlen("VERSION"); _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; - _cleanup_free_ MachineInfo *machines = NULL; + _cleanup_free_ char *prefix = NULL; + MachineInfo *machines = NULL; const char *name, *class, *service, *object; size_t n_machines = 0, n_allocated = 0, j; sd_bus *bus = userdata; @@ -148,15 +236,25 @@ static int list_machines(int argc, char *argv[], void *userdata) { r = sd_bus_message_enter_container(reply, 'a', "(ssso)"); if (r < 0) return bus_log_parse_error(r); - while ((r = sd_bus_message_read(reply, "(ssso)", &name, &class, &service, &object)) > 0) { size_t l; if (name[0] == '.' && !arg_all) continue; - if (!GREEDY_REALLOC(machines, n_allocated, n_machines + 1)) - return log_oom(); + if (!GREEDY_REALLOC(machines, n_allocated, n_machines + 1)) { + r = log_oom(); + goto out; + } + + machines[n_machines].os = NULL; + machines[n_machines].version_id = NULL; + r = get_os_release_property(bus, name, + "ID\0" "VERSION_ID\0", + &machines[n_machines].os, + &machines[n_machines].version_id); + if (r < 0) + goto out; machines[n_machines].name = name; machines[n_machines].class = class; @@ -174,33 +272,72 @@ static int list_machines(int argc, char *argv[], void *userdata) { if (l > max_service) max_service = l; + l = machines[n_machines].os ? strlen(machines[n_machines].os) : 1; + if (l > max_os) + max_os = l; + + l = machines[n_machines].version_id ? strlen(machines[n_machines].version_id) : 1; + if (l > max_version_id) + max_version_id = l; + n_machines++; } - if (r < 0) - return bus_log_parse_error(r); + if (r < 0) { + r = bus_log_parse_error(r); + goto out; + } r = sd_bus_message_exit_container(reply); - if (r < 0) - return bus_log_parse_error(r); + if (r < 0) { + r = bus_log_parse_error(r); + goto out; + } qsort_safe(machines, n_machines, sizeof(MachineInfo), compare_machine_info); - if (arg_legend) - printf("%-*s %-*s %-*s\n", + /* Allocate for prefix max characters for all fields + spaces between them + strlen(",\n") */ + r = asprintf(&prefix, "%-*s", + (int) (max_name + + max_class + + max_service + + max_os + + max_version_id + 5 + strlen(",\n")), + ",\n"); + if (r < 0) { + r = log_oom(); + goto out; + } + + if (arg_legend && n_machines > 0) + printf("%-*s %-*s %-*s %-*s %-*s %s\n", (int) max_name, "MACHINE", (int) max_class, "CLASS", - (int) max_service, "SERVICE"); + (int) max_service, "SERVICE", + (int) max_os, "OS", + (int) max_version_id, "VERSION", + "ADDRESSES"); - for (j = 0; j < n_machines; j++) - printf("%-*s %-*s %-*s\n", + for (j = 0; j < n_machines; j++) { + printf("%-*s %-*s %-*s %-*s %-*s ", (int) max_name, machines[j].name, (int) max_class, machines[j].class, - (int) max_service, machines[j].service); + (int) max_service, strdash_if_empty(machines[j].service), + (int) max_os, strdash_if_empty(machines[j].os), + (int) max_version_id, strdash_if_empty(machines[j].version_id)); - if (arg_legend) + r = print_addresses(bus, machines[j].name, 0, "", prefix, arg_addrs); + if (r == -ENOSYS) + printf("-\n"); + } + + if (arg_legend && n_machines > 0) printf("\n%zu machines listed.\n", n_machines); + else + printf("No machines.\n"); - return 0; +out: + clean_machine_info(machines, n_machines); + return r; } typedef struct ImageInfo { @@ -305,7 +442,7 @@ static int list_images(int argc, char *argv[], void *userdata) { qsort_safe(images, n_images, sizeof(ImageInfo), compare_image_info); - if (arg_legend) + if (arg_legend && n_images > 0) printf("%-*s %-*s %-3s %-*s %-*s %-*s\n", (int) max_name, "NAME", (int) max_type, "TYPE", @@ -326,8 +463,10 @@ static int list_images(int argc, char *argv[], void *userdata) { (int) max_mtime, strna(format_timestamp(mtime_buf, sizeof(mtime_buf), images[j].mtime))); } - if (arg_legend) + if (arg_legend && n_images > 0) printf("\n%zu images listed.\n", n_images); + else + printf("No images.\n"); return 0; } @@ -390,8 +529,10 @@ static int show_unit_cgroup(sd_bus *bus, const char *unit, pid_t leader) { return 0; } -static int print_addresses(sd_bus *bus, const char *name, int ifi, const char *prefix, const char *prefix2) { +static int print_addresses(sd_bus *bus, const char *name, int ifi, const char *prefix, const char *prefix2, int n_addr) { _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; + _cleanup_free_ char *addresses = NULL; + bool truncate = false; int r; assert(bus); @@ -410,6 +551,11 @@ static int print_addresses(sd_bus *bus, const char *name, int ifi, const char *p if (r < 0) return r; + addresses = strdup(prefix); + if (!addresses) + return log_oom(); + prefix = ""; + r = sd_bus_message_enter_container(reply, 'a', "(iay)"); if (r < 0) return bus_log_parse_error(r); @@ -418,7 +564,7 @@ static int print_addresses(sd_bus *bus, const char *name, int ifi, const char *p int family; const void *a; size_t sz; - char buffer[MAX(INET6_ADDRSTRLEN, INET_ADDRSTRLEN)]; + char buf_ifi[DECIMAL_STR_MAX(int) + 2], buffer[MAX(INET6_ADDRSTRLEN, INET_ADDRSTRLEN)]; r = sd_bus_message_read(reply, "i", &family); if (r < 0) @@ -428,11 +574,16 @@ static int print_addresses(sd_bus *bus, const char *name, int ifi, const char *p if (r < 0) return bus_log_parse_error(r); - fputs(prefix, stdout); - fputs(inet_ntop(family, a, buffer, sizeof(buffer)), stdout); - if (family == AF_INET6 && ifi > 0) - printf("%%%i", ifi); - fputc('\n', stdout); + if (n_addr != 0) { + if (family == AF_INET6 && ifi > 0) + xsprintf(buf_ifi, "%%%i", ifi); + else + strcpy(buf_ifi, ""); + + if(!strextend(&addresses, prefix, inet_ntop(family, a, buffer, sizeof(buffer)), buf_ifi, NULL)) + return log_oom(); + } else + truncate = true; r = sd_bus_message_exit_container(reply); if (r < 0) @@ -440,6 +591,9 @@ static int print_addresses(sd_bus *bus, const char *name, int ifi, const char *p if (prefix != prefix2) prefix = prefix2; + + if (n_addr > 0) + n_addr -= 1; } if (r < 0) return bus_log_parse_error(r); @@ -448,45 +602,22 @@ static int print_addresses(sd_bus *bus, const char *name, int ifi, const char *p if (r < 0) return bus_log_parse_error(r); + fprintf(stdout, "%s%s\n", addresses, truncate ? "..." : ""); return 0; } static int print_os_release(sd_bus *bus, const char *name, const char *prefix) { - _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; - const char *k, *v, *pretty = NULL; + _cleanup_free_ char *pretty = NULL; int r; assert(bus); assert(name); assert(prefix); - r = sd_bus_call_method(bus, - "org.freedesktop.machine1", - "/org/freedesktop/machine1", - "org.freedesktop.machine1.Manager", - "GetMachineOSRelease", - NULL, - &reply, - "s", name); + r = get_os_release_property(bus, name, "PRETTY_NAME\0", &pretty, NULL); if (r < 0) return r; - r = sd_bus_message_enter_container(reply, 'a', "{ss}"); - if (r < 0) - return bus_log_parse_error(r); - - while ((r = sd_bus_message_read(reply, "{ss}", &k, &v)) > 0) { - if (streq(k, "PRETTY_NAME")) - pretty = v; - - } - if (r < 0) - return bus_log_parse_error(r); - - r = sd_bus_message_exit_container(reply); - if (r < 0) - return bus_log_parse_error(r); - if (pretty) printf("%s%s\n", prefix, pretty); @@ -591,7 +722,8 @@ static void print_machine_status_info(sd_bus *bus, MachineStatusInfo *i) { print_addresses(bus, i->name, ifi, "\t Address: ", - "\t "); + "\n\t ", + ALL_IP_ADDRESSES); print_os_release(bus, i->name, "\t OS: "); @@ -1194,10 +1326,12 @@ static int process_forward(sd_event *event, PTYForward **forward, int master, PT assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGWINCH, SIGTERM, SIGINT, -1) >= 0); - if (streq(name, ".host")) - log_info("Connected to the local host. Press ^] three times within 1s to exit session."); - else - log_info("Connected to machine %s. Press ^] three times within 1s to exit session.", name); + if (!arg_quiet) { + if (streq(name, ".host")) + log_info("Connected to the local host. Press ^] three times within 1s to exit session."); + else + log_info("Connected to machine %s. Press ^] three times within 1s to exit session.", name); + } sd_event_add_signal(event, NULL, SIGINT, NULL, NULL); sd_event_add_signal(event, NULL, SIGTERM, NULL, NULL); @@ -1221,17 +1355,54 @@ static int process_forward(sd_event *event, PTYForward **forward, int master, PT if (last_char != '\n') fputc('\n', stdout); - if (machine_died) - log_info("Machine %s terminated.", name); - else if (streq(name, ".host")) - log_info("Connection to the local host terminated."); - else - log_info("Connection to machine %s terminated.", name); + if (!arg_quiet) { + if (machine_died) + log_info("Machine %s terminated.", name); + else if (streq(name, ".host")) + log_info("Connection to the local host terminated."); + else + log_info("Connection to machine %s terminated.", name); + } sd_event_get_exit_code(event, &ret); return ret; } +static int parse_machine_uid(const char *spec, const char **machine, char **uid) { + /* + * Whatever is specified in the spec takes priority over global arguments. + */ + char *_uid = NULL; + const char *_machine = NULL; + + if (spec) { + const char *at; + + at = strchr(spec, '@'); + if (at) { + if (at == spec) + /* Do the same as ssh and refuse "@host". */ + return -EINVAL; + + _machine = at + 1; + _uid = strndup(spec, at - spec); + if (!_uid) + return -ENOMEM; + } else + _machine = spec; + }; + + if (arg_uid && !_uid) { + _uid = strdup(arg_uid); + if (!_uid) + return -ENOMEM; + } + + *uid = _uid; + *machine = isempty(_machine) ? ".host" : _machine; + return 0; +} + static int login_machine(int argc, char *argv[], void *userdata) { _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; @@ -1307,7 +1478,8 @@ static int shell_machine(int argc, char *argv[], void *userdata) { _cleanup_(sd_event_unrefp) sd_event *event = NULL; int master = -1, r; sd_bus *bus = userdata; - const char *pty, *match, *machine, *path, *uid = NULL; + const char *pty, *match, *machine, *path; + _cleanup_free_ char *uid = NULL; assert(bus); @@ -1338,22 +1510,9 @@ static int shell_machine(int argc, char *argv[], void *userdata) { if (r < 0) return log_error_errno(r, "Failed to attach bus to event loop: %m"); - machine = argc < 2 || isempty(argv[1]) ? NULL : argv[1]; - - if (arg_uid) - uid = arg_uid; - else if (machine) { - const char *at; - - at = strchr(machine, '@'); - if (at) { - uid = strndupa(machine, at - machine); - machine = at + 1; - } - } - - if (isempty(machine)) - machine = ".host"; + r = parse_machine_uid(argc >= 2 ? argv[1] : NULL, &machine, &uid); + if (r < 0) + return log_error_errno(r, "Failed to parse machine specification: %m"); match = strjoina("type='signal'," "sender='org.freedesktop.machine1'," @@ -2314,7 +2473,7 @@ static int list_transfers(int argc, char *argv[], void *userdata) { qsort_safe(transfers, n_transfers, sizeof(TransferInfo), compare_transfer_info); - if (arg_legend) + if (arg_legend && n_transfers > 0) printf("%-*s %-*s %-*s %-*s %-*s\n", (int) MAX(2U, DECIMAL_STR_WIDTH(max_id)), "ID", (int) 7, "PERCENT", @@ -2330,8 +2489,10 @@ static int list_transfers(int argc, char *argv[], void *userdata) { (int) max_local, transfers[j].local, (int) max_remote, transfers[j].remote); - if (arg_legend) + if (arg_legend && n_transfers > 0) printf("\n%zu transfers listed.\n", n_transfers); + else + printf("No transfers.\n"); return 0; } @@ -2468,6 +2629,7 @@ static int clean_images(int argc, char *argv[], void *userdata) { } static int help(int argc, char *argv[], void *userdata) { + pager_open(arg_no_pager, false); printf("%s [OPTIONS...] {COMMAND} ...\n\n" "Send control commands to or query the virtual machine and container\n" @@ -2491,6 +2653,7 @@ static int help(int argc, char *argv[], void *userdata) { " --read-only Create read-only bind mount\n" " --mkdir Create directory before bind mounting, if missing\n" " -n --lines=INTEGER Number of journal entries to show\n" + " --max-addresses=INTEGER Number of internet addresses to show at most\n" " -o --output=STRING Change journal output mode (short,\n" " short-monotonic, verbose, export, json,\n" " json-pretty, json-sse, cat)\n" @@ -2555,6 +2718,7 @@ static int parse_argv(int argc, char *argv[]) { ARG_FORCE, ARG_FORMAT, ARG_UID, + ARG_NUMBER_IPS, }; static const struct option options[] = { @@ -2581,6 +2745,7 @@ static int parse_argv(int argc, char *argv[]) { { "format", required_argument, NULL, ARG_FORMAT }, { "uid", required_argument, NULL, ARG_UID }, { "setenv", required_argument, NULL, 'E' }, + { "max-addresses", required_argument, NULL, ARG_NUMBER_IPS }, {} }; @@ -2771,6 +2936,18 @@ static int parse_argv(int argc, char *argv[]) { return log_oom(); break; + case ARG_NUMBER_IPS: + if (streq(optarg, "all")) + arg_addrs = ALL_IP_ADDRESSES; + else if (safe_atoi(optarg, &arg_addrs) < 0) { + log_error("Invalid number of IPs"); + return -EINVAL; + } else if (arg_addrs < 0) { + log_error("Number of IPs cannot be negative"); + return -EINVAL; + } + break; + case '?': return -EINVAL; |