+++ /dev/null
-/***
- This file is part of systemd.
-
- Copyright 2013 Lennart Poettering
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <getopt.h>
-
-#include "sd-bus.h"
-
-#include "alloc-util.h"
-#include "bus-dump.h"
-#include "bus-internal.h"
-#include "bus-signature.h"
-#include "bus-type.h"
-#include "bus-util.h"
-#include "busctl-introspect.h"
-#include "escape.h"
-#include "fd-util.h"
-#include "locale-util.h"
-#include "log.h"
-#include "pager.h"
-#include "parse-util.h"
-#include "path-util.h"
-#include "set.h"
-#include "strv.h"
-#include "terminal-util.h"
-#include "user-util.h"
-#include "util.h"
-
-static bool arg_no_pager = false;
-static bool arg_legend = true;
-static char *arg_address = NULL;
-static bool arg_unique = false;
-static bool arg_acquired = false;
-static bool arg_activatable = false;
-static bool arg_show_machine = false;
-static char **arg_matches = NULL;
-static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
-static char *arg_host = NULL;
-static bool arg_user = false;
-static size_t arg_snaplen = 4096;
-static bool arg_list = false;
-static bool arg_quiet = false;
-static bool arg_verbose = false;
-static bool arg_expect_reply = true;
-static bool arg_auto_start = true;
-static bool arg_allow_interactive_authorization = true;
-static bool arg_augment_creds = true;
-static usec_t arg_timeout = 0;
-
-#define NAME_IS_ACQUIRED INT_TO_PTR(1)
-#define NAME_IS_ACTIVATABLE INT_TO_PTR(2)
-
-static int list_bus_names(sd_bus *bus, char **argv) {
- _cleanup_strv_free_ char **acquired = NULL, **activatable = NULL;
- _cleanup_free_ char **merged = NULL;
- _cleanup_hashmap_free_ Hashmap *names = NULL;
- char **i;
- int r;
- size_t max_i = 0;
- unsigned n = 0;
- void *v;
- char *k;
- Iterator iterator;
-
- assert(bus);
-
- if (!arg_unique && !arg_acquired && !arg_activatable)
- arg_unique = arg_acquired = arg_activatable = true;
-
- r = sd_bus_list_names(bus, (arg_acquired || arg_unique) ? &acquired : NULL, arg_activatable ? &activatable : NULL);
- if (r < 0)
- return log_error_errno(r, "Failed to list names: %m");
-
- pager_open(arg_no_pager, false);
-
- names = hashmap_new(&string_hash_ops);
- if (!names)
- return log_oom();
-
- STRV_FOREACH(i, acquired) {
- max_i = MAX(max_i, strlen(*i));
-
- r = hashmap_put(names, *i, NAME_IS_ACQUIRED);
- if (r < 0)
- return log_error_errno(r, "Failed to add to hashmap: %m");
- }
-
- STRV_FOREACH(i, activatable) {
- max_i = MAX(max_i, strlen(*i));
-
- r = hashmap_put(names, *i, NAME_IS_ACTIVATABLE);
- if (r < 0 && r != -EEXIST)
- return log_error_errno(r, "Failed to add to hashmap: %m");
- }
-
- merged = new(char*, hashmap_size(names) + 1);
- HASHMAP_FOREACH_KEY(v, k, names, iterator)
- merged[n++] = k;
-
- merged[n] = NULL;
- strv_sort(merged);
-
- if (arg_legend) {
- printf("%-*s %*s %-*s %-*s %-*s %-*s %-*s %-*s",
- (int) max_i, "NAME", 10, "PID", 15, "PROCESS", 16, "USER", 13, "CONNECTION", 25, "UNIT", 10, "SESSION", 19, "DESCRIPTION");
-
- if (arg_show_machine)
- puts(" MACHINE");
- else
- putchar('\n');
- }
-
- STRV_FOREACH(i, merged) {
- _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
- sd_id128_t mid;
-
- if (hashmap_get(names, *i) == NAME_IS_ACTIVATABLE) {
- /* Activatable */
-
- printf("%-*s", (int) max_i, *i);
- printf(" - - - (activatable) - - ");
- if (arg_show_machine)
- puts(" -");
- else
- putchar('\n');
- continue;
-
- }
-
- if (!arg_unique && (*i)[0] == ':')
- continue;
-
- if (!arg_acquired && (*i)[0] != ':')
- continue;
-
- printf("%-*s", (int) max_i, *i);
-
- r = sd_bus_get_name_creds(
- bus, *i,
- (arg_augment_creds ? SD_BUS_CREDS_AUGMENT : 0) |
- SD_BUS_CREDS_EUID|SD_BUS_CREDS_PID|SD_BUS_CREDS_COMM|
- SD_BUS_CREDS_UNIQUE_NAME|SD_BUS_CREDS_UNIT|SD_BUS_CREDS_SESSION|
- SD_BUS_CREDS_DESCRIPTION, &creds);
- if (r >= 0) {
- const char *unique, *session, *unit, *cn;
- pid_t pid;
- uid_t uid;
-
- r = sd_bus_creds_get_pid(creds, &pid);
- if (r >= 0) {
- const char *comm = NULL;
-
- sd_bus_creds_get_comm(creds, &comm);
-
- printf(" %10lu %-15s", (unsigned long) pid, strna(comm));
- } else
- fputs(" - - ", stdout);
-
- r = sd_bus_creds_get_euid(creds, &uid);
- if (r >= 0) {
- _cleanup_free_ char *u = NULL;
-
- u = uid_to_name(uid);
- if (!u)
- return log_oom();
-
- if (strlen(u) > 16)
- u[16] = 0;
-
- printf(" %-16s", u);
- } else
- fputs(" - ", stdout);
-
- r = sd_bus_creds_get_unique_name(creds, &unique);
- if (r >= 0)
- printf(" %-13s", unique);
- else
- fputs(" - ", stdout);
-
- r = sd_bus_creds_get_unit(creds, &unit);
- if (r >= 0) {
- _cleanup_free_ char *e;
-
- e = ellipsize(unit, 25, 100);
- if (!e)
- return log_oom();
-
- printf(" %-25s", e);
- } else
- fputs(" - ", stdout);
-
- r = sd_bus_creds_get_session(creds, &session);
- if (r >= 0)
- printf(" %-10s", session);
- else
- fputs(" - ", stdout);
-
- r = sd_bus_creds_get_description(creds, &cn);
- if (r >= 0)
- printf(" %-19s", cn);
- else
- fputs(" - ", stdout);
-
- } else
- printf(" - - - - - - - ");
-
- if (arg_show_machine) {
- r = sd_bus_get_name_machine_id(bus, *i, &mid);
- if (r >= 0) {
- char m[SD_ID128_STRING_MAX];
- printf(" %s\n", sd_id128_to_string(mid, m));
- } else
- puts(" -");
- } else
- putchar('\n');
- }
-
- return 0;
-}
-
-static void print_subtree(const char *prefix, const char *path, char **l) {
- const char *vertical, *space;
- char **n;
-
- /* We assume the list is sorted. Let's first skip over the
- * entry we are looking at. */
- for (;;) {
- if (!*l)
- return;
-
- if (!streq(*l, path))
- break;
-
- l++;
- }
-
- vertical = strjoina(prefix, special_glyph(TREE_VERTICAL));
- space = strjoina(prefix, special_glyph(TREE_SPACE));
-
- for (;;) {
- bool has_more = false;
-
- if (!*l || !path_startswith(*l, path))
- break;
-
- n = l + 1;
- for (;;) {
- if (!*n || !path_startswith(*n, path))
- break;
-
- if (!path_startswith(*n, *l)) {
- has_more = true;
- break;
- }
-
- n++;
- }
-
- printf("%s%s%s\n", prefix, special_glyph(has_more ? TREE_BRANCH : TREE_RIGHT), *l);
-
- print_subtree(has_more ? vertical : space, *l, l);
- l = n;
- }
-}
-
-static void print_tree(const char *prefix, char **l) {
-
- pager_open(arg_no_pager, false);
-
- prefix = strempty(prefix);
-
- if (arg_list) {
- char **i;
-
- STRV_FOREACH(i, l)
- printf("%s%s\n", prefix, *i);
- return;
- }
-
- if (strv_isempty(l)) {
- printf("No objects discovered.\n");
- return;
- }
-
- if (streq(l[0], "/") && !l[1]) {
- printf("Only root object discovered.\n");
- return;
- }
-
- print_subtree(prefix, "/", l);
-}
-
-static int on_path(const char *path, void *userdata) {
- Set *paths = userdata;
- int r;
-
- assert(paths);
-
- r = set_put_strdup(paths, path);
- if (r < 0)
- return log_oom();
-
- return 0;
-}
-
-static int find_nodes(sd_bus *bus, const char *service, const char *path, Set *paths, bool many) {
- static const XMLIntrospectOps ops = {
- .on_path = on_path,
- };
-
- _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
- _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
- const char *xml;
- int r;
-
- r = sd_bus_call_method(bus, service, path, "org.freedesktop.DBus.Introspectable", "Introspect", &error, &reply, "");
- if (r < 0) {
- if (many)
- printf("Failed to introspect object %s of service %s: %s\n", path, service, bus_error_message(&error, r));
- else
- log_error("Failed to introspect object %s of service %s: %s", path, service, bus_error_message(&error, r));
- return r;
- }
-
- r = sd_bus_message_read(reply, "s", &xml);
- if (r < 0)
- return bus_log_parse_error(r);
-
- return parse_xml_introspect(path, xml, &ops, paths);
-}
-
-static int tree_one(sd_bus *bus, const char *service, const char *prefix, bool many) {
- _cleanup_set_free_free_ Set *paths = NULL, *done = NULL, *failed = NULL;
- _cleanup_free_ char **l = NULL;
- char *m;
- int r;
-
- paths = set_new(&string_hash_ops);
- if (!paths)
- return log_oom();
-
- done = set_new(&string_hash_ops);
- if (!done)
- return log_oom();
-
- failed = set_new(&string_hash_ops);
- if (!failed)
- return log_oom();
-
- m = strdup("/");
- if (!m)
- return log_oom();
-
- r = set_put(paths, m);
- if (r < 0) {
- free(m);
- return log_oom();
- }
-
- for (;;) {
- _cleanup_free_ char *p = NULL;
- int q;
-
- p = set_steal_first(paths);
- if (!p)
- break;
-
- if (set_contains(done, p) ||
- set_contains(failed, p))
- continue;
-
- q = find_nodes(bus, service, p, paths, many);
- if (q < 0) {
- if (r >= 0)
- r = q;
-
- q = set_put(failed, p);
- } else
- q = set_put(done, p);
-
- if (q < 0)
- return log_oom();
-
- assert(q != 0);
- p = NULL;
- }
-
- pager_open(arg_no_pager, false);
-
- l = set_get_strv(done);
- if (!l)
- return log_oom();
-
- strv_sort(l);
- print_tree(prefix, l);
-
- fflush(stdout);
-
- return r;
-}
-
-static int tree(sd_bus *bus, char **argv) {
- char **i;
- int r = 0;
-
- if (!arg_unique && !arg_acquired)
- arg_acquired = true;
-
- if (strv_length(argv) <= 1) {
- _cleanup_strv_free_ char **names = NULL;
- bool not_first = false;
-
- r = sd_bus_list_names(bus, &names, NULL);
- if (r < 0)
- return log_error_errno(r, "Failed to get name list: %m");
-
- pager_open(arg_no_pager, false);
-
- STRV_FOREACH(i, names) {
- int q;
-
- if (!arg_unique && (*i)[0] == ':')
- continue;
-
- if (!arg_acquired && (*i)[0] == ':')
- continue;
-
- if (not_first)
- printf("\n");
-
- printf("Service %s%s%s:\n", ansi_highlight(), *i, ansi_normal());
-
- q = tree_one(bus, *i, NULL, true);
- if (q < 0 && r >= 0)
- r = q;
-
- not_first = true;
- }
- } else {
- STRV_FOREACH(i, argv+1) {
- int q;
-
- if (i > argv+1)
- printf("\n");
-
- if (argv[2]) {
- pager_open(arg_no_pager, false);
- printf("Service %s%s%s:\n", ansi_highlight(), *i, ansi_normal());
- }
-
- q = tree_one(bus, *i, NULL, !!argv[2]);
- if (q < 0 && r >= 0)
- r = q;
- }
- }
-
- return r;
-}
-
-static int format_cmdline(sd_bus_message *m, FILE *f, bool needs_space) {
- int r;
-
- for (;;) {
- const char *contents = NULL;
- char type;
- union {
- uint8_t u8;
- uint16_t u16;
- int16_t s16;
- uint32_t u32;
- int32_t s32;
- uint64_t u64;
- int64_t s64;
- double d64;
- const char *string;
- int i;
- } basic;
-
- r = sd_bus_message_peek_type(m, &type, &contents);
- if (r < 0)
- return r;
- if (r == 0)
- return needs_space;
-
- if (bus_type_is_container(type) > 0) {
-
- r = sd_bus_message_enter_container(m, type, contents);
- if (r < 0)
- return r;
-
- if (type == SD_BUS_TYPE_ARRAY) {
- unsigned n = 0;
-
- /* count array entries */
- for (;;) {
-
- r = sd_bus_message_skip(m, contents);
- if (r < 0)
- return r;
- if (r == 0)
- break;
-
- n++;
- }
-
- r = sd_bus_message_rewind(m, false);
- if (r < 0)
- return r;
-
- if (needs_space)
- fputc(' ', f);
-
- fprintf(f, "%u", n);
- needs_space = true;
-
- } else if (type == SD_BUS_TYPE_VARIANT) {
-
- if (needs_space)
- fputc(' ', f);
-
- fprintf(f, "%s", contents);
- needs_space = true;
- }
-
- r = format_cmdline(m, f, needs_space);
- if (r < 0)
- return r;
-
- needs_space = r > 0;
-
- r = sd_bus_message_exit_container(m);
- if (r < 0)
- return r;
-
- continue;
- }
-
- r = sd_bus_message_read_basic(m, type, &basic);
- if (r < 0)
- return r;
-
- if (needs_space)
- fputc(' ', f);
-
- switch (type) {
- case SD_BUS_TYPE_BYTE:
- fprintf(f, "%u", basic.u8);
- break;
-
- case SD_BUS_TYPE_BOOLEAN:
- fputs(true_false(basic.i), f);
- break;
-
- case SD_BUS_TYPE_INT16:
- fprintf(f, "%i", basic.s16);
- break;
-
- case SD_BUS_TYPE_UINT16:
- fprintf(f, "%u", basic.u16);
- break;
-
- case SD_BUS_TYPE_INT32:
- fprintf(f, "%i", basic.s32);
- break;
-
- case SD_BUS_TYPE_UINT32:
- fprintf(f, "%u", basic.u32);
- break;
-
- case SD_BUS_TYPE_INT64:
- fprintf(f, "%" PRIi64, basic.s64);
- break;
-
- case SD_BUS_TYPE_UINT64:
- fprintf(f, "%" PRIu64, basic.u64);
- break;
-
- case SD_BUS_TYPE_DOUBLE:
- fprintf(f, "%g", basic.d64);
- break;
-
- case SD_BUS_TYPE_STRING:
- case SD_BUS_TYPE_OBJECT_PATH:
- case SD_BUS_TYPE_SIGNATURE: {
- _cleanup_free_ char *b = NULL;
-
- b = cescape(basic.string);
- if (!b)
- return -ENOMEM;
-
- fprintf(f, "\"%s\"", b);
- break;
- }
-
- case SD_BUS_TYPE_UNIX_FD:
- fprintf(f, "%i", basic.i);
- break;
-
- default:
- assert_not_reached("Unknown basic type.");
- }
-
- needs_space = true;
- }
-}
-
-typedef struct Member {
- const char *type;
- char *interface;
- char *name;
- char *signature;
- char *result;
- char *value;
- bool writable;
- uint64_t flags;
-} Member;
-
-static void member_hash_func(const void *p, struct siphash *state) {
- const Member *m = p;
- uint64_t arity = 1;
-
- assert(m);
- assert(m->type);
-
- string_hash_func(m->type, state);
-
- arity += !!m->name + !!m->interface;
-
- uint64_hash_func(&arity, state);
-
- if (m->name)
- string_hash_func(m->name, state);
-
- if (m->interface)
- string_hash_func(m->interface, state);
-}
-
-static int member_compare_func(const void *a, const void *b) {
- const Member *x = a, *y = b;
- int d;
-
- assert(x);
- assert(y);
- assert(x->type);
- assert(y->type);
-
- d = strcmp_ptr(x->interface, y->interface);
- if (d != 0)
- return d;
-
- d = strcmp(x->type, y->type);
- if (d != 0)
- return d;
-
- return strcmp_ptr(x->name, y->name);
-}
-
-static int member_compare_funcp(const void *a, const void *b) {
- const Member *const * x = (const Member *const *) a, * const *y = (const Member *const *) b;
-
- return member_compare_func(*x, *y);
-}
-
-static void member_free(Member *m) {
- if (!m)
- return;
-
- free(m->interface);
- free(m->name);
- free(m->signature);
- free(m->result);
- free(m->value);
- free(m);
-}
-
-DEFINE_TRIVIAL_CLEANUP_FUNC(Member*, member_free);
-
-static void member_set_free(Set *s) {
- Member *m;
-
- while ((m = set_steal_first(s)))
- member_free(m);
-
- set_free(s);
-}
-
-DEFINE_TRIVIAL_CLEANUP_FUNC(Set*, member_set_free);
-
-static int on_interface(const char *interface, uint64_t flags, void *userdata) {
- _cleanup_(member_freep) Member *m;
- Set *members = userdata;
- int r;
-
- assert(interface);
- assert(members);
-
- m = new0(Member, 1);
- if (!m)
- return log_oom();
-
- m->type = "interface";
- m->flags = flags;
-
- r = free_and_strdup(&m->interface, interface);
- if (r < 0)
- return log_oom();
-
- r = set_put(members, m);
- if (r <= 0) {
- log_error("Duplicate interface");
- return -EINVAL;
- }
-
- m = NULL;
- return 0;
-}
-
-static int on_method(const char *interface, const char *name, const char *signature, const char *result, uint64_t flags, void *userdata) {
- _cleanup_(member_freep) Member *m;
- Set *members = userdata;
- int r;
-
- assert(interface);
- assert(name);
-
- m = new0(Member, 1);
- if (!m)
- return log_oom();
-
- m->type = "method";
- m->flags = flags;
-
- r = free_and_strdup(&m->interface, interface);
- if (r < 0)
- return log_oom();
-
- r = free_and_strdup(&m->name, name);
- if (r < 0)
- return log_oom();
-
- r = free_and_strdup(&m->signature, signature);
- if (r < 0)
- return log_oom();
-
- r = free_and_strdup(&m->result, result);
- if (r < 0)
- return log_oom();
-
- r = set_put(members, m);
- if (r <= 0) {
- log_error("Duplicate method");
- return -EINVAL;
- }
-
- m = NULL;
- return 0;
-}
-
-static int on_signal(const char *interface, const char *name, const char *signature, uint64_t flags, void *userdata) {
- _cleanup_(member_freep) Member *m;
- Set *members = userdata;
- int r;
-
- assert(interface);
- assert(name);
-
- m = new0(Member, 1);
- if (!m)
- return log_oom();
-
- m->type = "signal";
- m->flags = flags;
-
- r = free_and_strdup(&m->interface, interface);
- if (r < 0)
- return log_oom();
-
- r = free_and_strdup(&m->name, name);
- if (r < 0)
- return log_oom();
-
- r = free_and_strdup(&m->signature, signature);
- if (r < 0)
- return log_oom();
-
- r = set_put(members, m);
- if (r <= 0) {
- log_error("Duplicate signal");
- return -EINVAL;
- }
-
- m = NULL;
- return 0;
-}
-
-static int on_property(const char *interface, const char *name, const char *signature, bool writable, uint64_t flags, void *userdata) {
- _cleanup_(member_freep) Member *m;
- Set *members = userdata;
- int r;
-
- assert(interface);
- assert(name);
-
- m = new0(Member, 1);
- if (!m)
- return log_oom();
-
- m->type = "property";
- m->flags = flags;
- m->writable = writable;
-
- r = free_and_strdup(&m->interface, interface);
- if (r < 0)
- return log_oom();
-
- r = free_and_strdup(&m->name, name);
- if (r < 0)
- return log_oom();
-
- r = free_and_strdup(&m->signature, signature);
- if (r < 0)
- return log_oom();
-
- r = set_put(members, m);
- if (r <= 0) {
- log_error("Duplicate property");
- return -EINVAL;
- }
-
- m = NULL;
- return 0;
-}
-
-static const char *strdash(const char *x) {
- return isempty(x) ? "-" : x;
-}
-
-static int introspect(sd_bus *bus, char **argv) {
- static const struct hash_ops member_hash_ops = {
- .hash = member_hash_func,
- .compare = member_compare_func,
- };
-
- static const XMLIntrospectOps ops = {
- .on_interface = on_interface,
- .on_method = on_method,
- .on_signal = on_signal,
- .on_property = on_property,
- };
-
- _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
- _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
- _cleanup_(member_set_freep) Set *members = NULL;
- Iterator i;
- Member *m;
- const char *xml;
- int r;
- unsigned name_width, type_width, signature_width, result_width;
- Member **sorted = NULL;
- unsigned k = 0, j, n_args;
-
- n_args = strv_length(argv);
- if (n_args < 3) {
- log_error("Requires service and object path argument.");
- return -EINVAL;
- }
-
- if (n_args > 4) {
- log_error("Too many arguments.");
- return -EINVAL;
- }
-
- members = set_new(&member_hash_ops);
- if (!members)
- return log_oom();
-
- r = sd_bus_call_method(bus, argv[1], argv[2], "org.freedesktop.DBus.Introspectable", "Introspect", &error, &reply, "");
- if (r < 0) {
- log_error("Failed to introspect object %s of service %s: %s", argv[2], argv[1], bus_error_message(&error, r));
- return r;
- }
-
- r = sd_bus_message_read(reply, "s", &xml);
- if (r < 0)
- return bus_log_parse_error(r);
-
- /* First, get list of all properties */
- r = parse_xml_introspect(argv[2], xml, &ops, members);
- if (r < 0)
- return r;
-
- /* Second, find the current values for them */
- SET_FOREACH(m, members, i) {
-
- if (!streq(m->type, "property"))
- continue;
-
- if (m->value)
- continue;
-
- if (argv[3] && !streq(argv[3], m->interface))
- continue;
-
- r = sd_bus_call_method(bus, argv[1], argv[2], "org.freedesktop.DBus.Properties", "GetAll", &error, &reply, "s", m->interface);
- if (r < 0) {
- log_error("%s", bus_error_message(&error, r));
- return r;
- }
-
- r = sd_bus_message_enter_container(reply, 'a', "{sv}");
- if (r < 0)
- return bus_log_parse_error(r);
-
- for (;;) {
- Member *z;
- _cleanup_free_ char *buf = NULL;
- _cleanup_fclose_ FILE *mf = NULL;
- size_t sz = 0;
- const char *name;
-
- r = sd_bus_message_enter_container(reply, 'e', "sv");
- if (r < 0)
- return bus_log_parse_error(r);
-
- if (r == 0)
- break;
-
- r = sd_bus_message_read(reply, "s", &name);
- if (r < 0)
- return bus_log_parse_error(r);
-
- r = sd_bus_message_enter_container(reply, 'v', NULL);
- if (r < 0)
- return bus_log_parse_error(r);
-
- mf = open_memstream(&buf, &sz);
- if (!mf)
- return log_oom();
-
- r = format_cmdline(reply, mf, false);
- if (r < 0)
- return bus_log_parse_error(r);
-
- fclose(mf);
- mf = NULL;
-
- z = set_get(members, &((Member) {
- .type = "property",
- .interface = m->interface,
- .name = (char*) name }));
- if (z) {
- free(z->value);
- z->value = buf;
- buf = NULL;
- }
-
- r = sd_bus_message_exit_container(reply);
- 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);
- }
-
- r = sd_bus_message_exit_container(reply);
- if (r < 0)
- return bus_log_parse_error(r);
- }
-
- pager_open(arg_no_pager, false);
-
- name_width = strlen("NAME");
- type_width = strlen("TYPE");
- signature_width = strlen("SIGNATURE");
- result_width = strlen("RESULT/VALUE");
-
- sorted = newa(Member*, set_size(members));
-
- SET_FOREACH(m, members, i) {
-
- if (argv[3] && !streq(argv[3], m->interface))
- continue;
-
- if (m->interface)
- name_width = MAX(name_width, strlen(m->interface));
- if (m->name)
- name_width = MAX(name_width, strlen(m->name) + 1);
- if (m->type)
- type_width = MAX(type_width, strlen(m->type));
- if (m->signature)
- signature_width = MAX(signature_width, strlen(m->signature));
- if (m->result)
- result_width = MAX(result_width, strlen(m->result));
- if (m->value)
- result_width = MAX(result_width, strlen(m->value));
-
- sorted[k++] = m;
- }
-
- if (result_width > 40)
- result_width = 40;
-
- qsort(sorted, k, sizeof(Member*), member_compare_funcp);
-
- if (arg_legend) {
- printf("%-*s %-*s %-*s %-*s %s\n",
- (int) name_width, "NAME",
- (int) type_width, "TYPE",
- (int) signature_width, "SIGNATURE",
- (int) result_width, "RESULT/VALUE",
- "FLAGS");
- }
-
- for (j = 0; j < k; j++) {
- _cleanup_free_ char *ellipsized = NULL;
- const char *rv;
- bool is_interface;
-
- m = sorted[j];
-
- if (argv[3] && !streq(argv[3], m->interface))
- continue;
-
- is_interface = streq(m->type, "interface");
-
- if (argv[3] && is_interface)
- continue;
-
- if (m->value) {
- ellipsized = ellipsize(m->value, result_width, 100);
- if (!ellipsized)
- return log_oom();
-
- rv = ellipsized;
- } else
- rv = strdash(m->result);
-
- printf("%s%s%-*s%s %-*s %-*s %-*s%s%s%s%s%s%s\n",
- is_interface ? ansi_highlight() : "",
- is_interface ? "" : ".",
- - !is_interface + (int) name_width, strdash(streq_ptr(m->type, "interface") ? m->interface : m->name),
- is_interface ? ansi_normal() : "",
- (int) type_width, strdash(m->type),
- (int) signature_width, strdash(m->signature),
- (int) result_width, rv,
- (m->flags & SD_BUS_VTABLE_DEPRECATED) ? " deprecated" : (m->flags || m->writable ? "" : " -"),
- (m->flags & SD_BUS_VTABLE_METHOD_NO_REPLY) ? " no-reply" : "",
- (m->flags & SD_BUS_VTABLE_PROPERTY_CONST) ? " const" : "",
- (m->flags & SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE) ? " emits-change" : "",
- (m->flags & SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION) ? " emits-invalidation" : "",
- m->writable ? " writable" : "");
- }
-
- return 0;
-}
-
-static int message_dump(sd_bus_message *m, FILE *f) {
- return bus_message_dump(m, f, BUS_MESSAGE_DUMP_WITH_HEADER);
-}
-
-static int message_pcap(sd_bus_message *m, FILE *f) {
- return bus_message_pcap_frame(m, arg_snaplen, f);
-}
-
-static int monitor(sd_bus *bus, char *argv[], int (*dump)(sd_bus_message *m, FILE *f)) {
- _cleanup_(sd_bus_message_unrefp) sd_bus_message *message = NULL;
- _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
- char **i;
- uint32_t flags = 0;
- int r;
-
- /* upgrade connection; it's not used for anything else after this call */
- r = sd_bus_message_new_method_call(bus, &message, "org.freedesktop.DBus", "/org/freedesktop/DBus", "org.freedesktop.DBus.Monitoring", "BecomeMonitor");
- if (r < 0)
- return bus_log_create_error(r);
-
- r = sd_bus_message_open_container(message, 'a', "s");
- if (r < 0)
- return bus_log_create_error(r);
-
- STRV_FOREACH(i, argv+1) {
- _cleanup_free_ char *m = NULL;
-
- if (!service_name_is_valid(*i)) {
- log_error("Invalid service name '%s'", *i);
- return -EINVAL;
- }
-
- m = strjoin("sender='", *i, "'");
- if (!m)
- return log_oom();
-
- r = sd_bus_message_append_basic(message, 's', m);
- if (r < 0)
- return bus_log_create_error(r);
-
- free(m);
- m = strjoin("destination='", *i, "'");
- if (!m)
- return log_oom();
-
- r = sd_bus_message_append_basic(message, 's', m);
- if (r < 0)
- return bus_log_create_error(r);
- }
-
- STRV_FOREACH(i, arg_matches) {
- r = sd_bus_message_append_basic(message, 's', *i);
- if (r < 0)
- return bus_log_create_error(r);
- }
-
- r = sd_bus_message_close_container(message);
- if (r < 0)
- return bus_log_create_error(r);
-
- r = sd_bus_message_append_basic(message, 'u', &flags);
- if (r < 0)
- return bus_log_create_error(r);
-
- r = sd_bus_call(bus, message, arg_timeout, &error, NULL);
- if (r < 0) {
- log_error("%s", bus_error_message(&error, r));
- return r;
- }
-
- log_info("Monitoring bus message stream.");
-
- for (;;) {
- _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
-
- r = sd_bus_process(bus, &m);
- if (r < 0)
- return log_error_errno(r, "Failed to process bus: %m");
-
- if (m) {
- dump(m, stdout);
- fflush(stdout);
-
- if (sd_bus_message_is_signal(m, "org.freedesktop.DBus.Local", "Disconnected") > 0) {
- log_info("Connection terminated, exiting.");
- return 0;
- }
-
- continue;
- }
-
- if (r > 0)
- continue;
-
- r = sd_bus_wait(bus, (uint64_t) -1);
- if (r < 0)
- return log_error_errno(r, "Failed to wait for bus: %m");
- }
-}
-
-static int capture(sd_bus *bus, char *argv[]) {
- int r;
-
- if (isatty(fileno(stdout)) > 0) {
- log_error("Refusing to write message data to console, please redirect output to a file.");
- return -EINVAL;
- }
-
- bus_pcap_header(arg_snaplen, stdout);
-
- r = monitor(bus, argv, message_pcap);
- if (r < 0)
- return r;
-
- if (ferror(stdout)) {
- log_error("Couldn't write capture file.");
- return -EIO;
- }
-
- return r;
-}
-
-static int status(sd_bus *bus, char *argv[]) {
- _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
- pid_t pid;
- int r;
-
- assert(bus);
-
- if (strv_length(argv) > 2) {
- log_error("Expects no or one argument.");
- return -EINVAL;
- }
-
- if (argv[1]) {
- r = parse_pid(argv[1], &pid);
- if (r < 0)
- r = sd_bus_get_name_creds(
- bus,
- argv[1],
- (arg_augment_creds ? SD_BUS_CREDS_AUGMENT : 0) | _SD_BUS_CREDS_ALL,
- &creds);
- else
- r = sd_bus_creds_new_from_pid(
- &creds,
- pid,
- _SD_BUS_CREDS_ALL);
- } else {
- const char *scope, *address;
- sd_id128_t bus_id;
-
- r = sd_bus_get_address(bus, &address);
- if (r >= 0)
- printf("BusAddress=%s%s%s\n", ansi_highlight(), address, ansi_normal());
-
- r = sd_bus_get_scope(bus, &scope);
- if (r >= 0)
- printf("BusScope=%s%s%s\n", ansi_highlight(), scope, ansi_normal());
-
- r = sd_bus_get_bus_id(bus, &bus_id);
- if (r >= 0)
- printf("BusID=%s" SD_ID128_FORMAT_STR "%s\n", ansi_highlight(), SD_ID128_FORMAT_VAL(bus_id), ansi_normal());
-
- r = sd_bus_get_owner_creds(
- bus,
- (arg_augment_creds ? SD_BUS_CREDS_AUGMENT : 0) | _SD_BUS_CREDS_ALL,
- &creds);
- }
-
- if (r < 0)
- return log_error_errno(r, "Failed to get credentials: %m");
-
- bus_creds_dump(creds, NULL, false);
- return 0;
-}
-
-static int message_append_cmdline(sd_bus_message *m, const char *signature, char ***x) {
- char **p;
- int r;
-
- assert(m);
- assert(signature);
- assert(x);
-
- p = *x;
-
- for (;;) {
- const char *v;
- char t;
-
- t = *signature;
- v = *p;
-
- if (t == 0)
- break;
- if (!v) {
- log_error("Too few parameters for signature.");
- return -EINVAL;
- }
-
- signature++;
- p++;
-
- switch (t) {
-
- case SD_BUS_TYPE_BOOLEAN:
-
- r = parse_boolean(v);
- if (r < 0) {
- log_error("Failed to parse as boolean: %s", v);
- return r;
- }
-
- r = sd_bus_message_append_basic(m, t, &r);
- break;
-
- case SD_BUS_TYPE_BYTE: {
- uint8_t z;
-
- r = safe_atou8(v, &z);
- if (r < 0) {
- log_error("Failed to parse as byte (unsigned 8bit integer): %s", v);
- return r;
- }
-
- r = sd_bus_message_append_basic(m, t, &z);
- break;
- }
-
- case SD_BUS_TYPE_INT16: {
- int16_t z;
-
- r = safe_atoi16(v, &z);
- if (r < 0) {
- log_error("Failed to parse as signed 16bit integer: %s", v);
- return r;
- }
-
- r = sd_bus_message_append_basic(m, t, &z);
- break;
- }
-
- case SD_BUS_TYPE_UINT16: {
- uint16_t z;
-
- r = safe_atou16(v, &z);
- if (r < 0) {
- log_error("Failed to parse as unsigned 16bit integer: %s", v);
- return r;
- }
-
- r = sd_bus_message_append_basic(m, t, &z);
- break;
- }
-
- case SD_BUS_TYPE_INT32: {
- int32_t z;
-
- r = safe_atoi32(v, &z);
- if (r < 0) {
- log_error("Failed to parse as signed 32bit integer: %s", v);
- return r;
- }
-
- r = sd_bus_message_append_basic(m, t, &z);
- break;
- }
-
- case SD_BUS_TYPE_UINT32: {
- uint32_t z;
-
- r = safe_atou32(v, &z);
- if (r < 0) {
- log_error("Failed to parse as unsigned 32bit integer: %s", v);
- return r;
- }
-
- r = sd_bus_message_append_basic(m, t, &z);
- break;
- }
-
- case SD_BUS_TYPE_INT64: {
- int64_t z;
-
- r = safe_atoi64(v, &z);
- if (r < 0) {
- log_error("Failed to parse as signed 64bit integer: %s", v);
- return r;
- }
-
- r = sd_bus_message_append_basic(m, t, &z);
- break;
- }
-
- case SD_BUS_TYPE_UINT64: {
- uint64_t z;
-
- r = safe_atou64(v, &z);
- if (r < 0) {
- log_error("Failed to parse as unsigned 64bit integer: %s", v);
- return r;
- }
-
- r = sd_bus_message_append_basic(m, t, &z);
- break;
- }
-
-
- case SD_BUS_TYPE_DOUBLE: {
- double z;
-
- r = safe_atod(v, &z);
- if (r < 0) {
- log_error("Failed to parse as double precision floating point: %s", v);
- return r;
- }
-
- r = sd_bus_message_append_basic(m, t, &z);
- break;
- }
-
- case SD_BUS_TYPE_STRING:
- case SD_BUS_TYPE_OBJECT_PATH:
- case SD_BUS_TYPE_SIGNATURE:
-
- r = sd_bus_message_append_basic(m, t, v);
- break;
-
- case SD_BUS_TYPE_ARRAY: {
- uint32_t n;
- size_t k;
-
- r = safe_atou32(v, &n);
- if (r < 0) {
- log_error("Failed to parse number of array entries: %s", v);
- return r;
- }
-
- r = signature_element_length(signature, &k);
- if (r < 0) {
- log_error("Invalid array signature.");
- return r;
- }
-
- {
- unsigned i;
- char s[k + 1];
- memcpy(s, signature, k);
- s[k] = 0;
-
- r = sd_bus_message_open_container(m, SD_BUS_TYPE_ARRAY, s);
- if (r < 0)
- return bus_log_create_error(r);
-
- for (i = 0; i < n; i++) {
- r = message_append_cmdline(m, s, &p);
- if (r < 0)
- return r;
- }
- }
-
- signature += k;
-
- r = sd_bus_message_close_container(m);
- break;
- }
-
- case SD_BUS_TYPE_VARIANT:
- r = sd_bus_message_open_container(m, SD_BUS_TYPE_VARIANT, v);
- if (r < 0)
- return bus_log_create_error(r);
-
- r = message_append_cmdline(m, v, &p);
- if (r < 0)
- return r;
-
- r = sd_bus_message_close_container(m);
- break;
-
- case SD_BUS_TYPE_STRUCT_BEGIN:
- case SD_BUS_TYPE_DICT_ENTRY_BEGIN: {
- size_t k;
-
- signature--;
- p--;
-
- r = signature_element_length(signature, &k);
- if (r < 0) {
- log_error("Invalid struct/dict entry signature.");
- return r;
- }
-
- {
- char s[k-1];
- memcpy(s, signature + 1, k - 2);
- s[k - 2] = 0;
-
- r = sd_bus_message_open_container(m, t == SD_BUS_TYPE_STRUCT_BEGIN ? SD_BUS_TYPE_STRUCT : SD_BUS_TYPE_DICT_ENTRY, s);
- if (r < 0)
- return bus_log_create_error(r);
-
- r = message_append_cmdline(m, s, &p);
- if (r < 0)
- return r;
- }
-
- signature += k;
-
- r = sd_bus_message_close_container(m);
- break;
- }
-
- case SD_BUS_TYPE_UNIX_FD:
- log_error("UNIX file descriptor not supported as type.");
- return -EINVAL;
-
- default:
- log_error("Unknown signature type %c.", t);
- return -EINVAL;
- }
-
- if (r < 0)
- return bus_log_create_error(r);
- }
-
- *x = p;
- return 0;
-}
-
-static int call(sd_bus *bus, char *argv[]) {
- _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
- _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL;
- int r;
-
- assert(bus);
-
- if (strv_length(argv) < 5) {
- log_error("Expects at least four arguments.");
- return -EINVAL;
- }
-
- r = sd_bus_message_new_method_call(bus, &m, argv[1], argv[2], argv[3], argv[4]);
- if (r < 0)
- return bus_log_create_error(r);
-
- r = sd_bus_message_set_expect_reply(m, arg_expect_reply);
- if (r < 0)
- return bus_log_create_error(r);
-
- r = sd_bus_message_set_auto_start(m, arg_auto_start);
- if (r < 0)
- return bus_log_create_error(r);
-
- r = sd_bus_message_set_allow_interactive_authorization(m, arg_allow_interactive_authorization);
- if (r < 0)
- return bus_log_create_error(r);
-
- if (!isempty(argv[5])) {
- char **p;
-
- p = argv+6;
-
- r = message_append_cmdline(m, argv[5], &p);
- if (r < 0)
- return r;
-
- if (*p) {
- log_error("Too many parameters for signature.");
- return -EINVAL;
- }
- }
-
- if (!arg_expect_reply) {
- r = sd_bus_send(bus, m, NULL);
- if (r < 0) {
- log_error("Failed to send message.");
- return r;
- }
-
- return 0;
- }
-
- r = sd_bus_call(bus, m, arg_timeout, &error, &reply);
- if (r < 0) {
- log_error("%s", bus_error_message(&error, r));
- return r;
- }
-
- r = sd_bus_message_is_empty(reply);
- if (r < 0)
- return bus_log_parse_error(r);
-
- if (r == 0 && !arg_quiet) {
-
- if (arg_verbose) {
- pager_open(arg_no_pager, false);
-
- r = bus_message_dump(reply, stdout, 0);
- if (r < 0)
- return r;
- } else {
-
- fputs(sd_bus_message_get_signature(reply, true), stdout);
- fputc(' ', stdout);
-
- r = format_cmdline(reply, stdout, false);
- if (r < 0)
- return bus_log_parse_error(r);
-
- fputc('\n', stdout);
- }
- }
-
- return 0;
-}
-
-static int get_property(sd_bus *bus, char *argv[]) {
- _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
- unsigned n;
- char **i;
- int r;
-
- assert(bus);
-
- n = strv_length(argv);
- if (n < 5) {
- log_error("Expects at least four arguments.");
- return -EINVAL;
- }
-
- STRV_FOREACH(i, argv + 4) {
- _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
- const char *contents = NULL;
- char type;
-
- r = sd_bus_call_method(bus, argv[1], argv[2], "org.freedesktop.DBus.Properties", "Get", &error, &reply, "ss", argv[3], *i);
- if (r < 0) {
- log_error("%s", bus_error_message(&error, r));
- return r;
- }
-
- r = sd_bus_message_peek_type(reply, &type, &contents);
- if (r < 0)
- return bus_log_parse_error(r);
-
- r = sd_bus_message_enter_container(reply, 'v', contents);
- if (r < 0)
- return bus_log_parse_error(r);
-
- if (arg_verbose) {
- pager_open(arg_no_pager, false);
-
- r = bus_message_dump(reply, stdout, BUS_MESSAGE_DUMP_SUBTREE_ONLY);
- if (r < 0)
- return r;
- } else {
- fputs(contents, stdout);
- fputc(' ', stdout);
-
- r = format_cmdline(reply, stdout, false);
- if (r < 0)
- return bus_log_parse_error(r);
-
- fputc('\n', stdout);
- }
-
- r = sd_bus_message_exit_container(reply);
- if (r < 0)
- return bus_log_parse_error(r);
- }
-
- return 0;
-}
-
-static int set_property(sd_bus *bus, char *argv[]) {
- _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
- _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
- unsigned n;
- char **p;
- int r;
-
- assert(bus);
-
- n = strv_length(argv);
- if (n < 6) {
- log_error("Expects at least five arguments.");
- return -EINVAL;
- }
-
- r = sd_bus_message_new_method_call(bus, &m, argv[1], argv[2], "org.freedesktop.DBus.Properties", "Set");
- if (r < 0)
- return bus_log_create_error(r);
-
- r = sd_bus_message_append(m, "ss", argv[3], argv[4]);
- if (r < 0)
- return bus_log_create_error(r);
-
- r = sd_bus_message_open_container(m, 'v', argv[5]);
- if (r < 0)
- return bus_log_create_error(r);
-
- p = argv+6;
- r = message_append_cmdline(m, argv[5], &p);
- if (r < 0)
- return r;
-
- r = sd_bus_message_close_container(m);
- if (r < 0)
- return bus_log_create_error(r);
-
- if (*p) {
- log_error("Too many parameters for signature.");
- return -EINVAL;
- }
-
- r = sd_bus_call(bus, m, arg_timeout, &error, NULL);
- if (r < 0) {
- log_error("%s", bus_error_message(&error, r));
- return r;
- }
-
- return 0;
-}
-
-static int help(void) {
- printf("%s [OPTIONS...] {COMMAND} ...\n\n"
- "Introspect the bus.\n\n"
- " -h --help Show this help\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"
- " --system Connect to system bus\n"
- " --user Connect to user bus\n"
- " -H --host=[USER@]HOST Operate on remote host\n"
- " -M --machine=CONTAINER Operate on local container\n"
- " --address=ADDRESS Connect to bus specified by address\n"
- " --show-machine Show machine ID column in list\n"
- " --unique Only show unique names\n"
- " --acquired Only show acquired names\n"
- " --activatable Only show activatable names\n"
- " --match=MATCH Only show matching messages\n"
- " --size=SIZE Maximum length of captured packet\n"
- " --list Don't show tree, but simple object path list\n"
- " --quiet Don't show method call reply\n"
- " --verbose Show result values in long format\n"
- " --expect-reply=BOOL Expect a method call reply\n"
- " --auto-start=BOOL Auto-start destination service\n"
- " --allow-interactive-authorization=BOOL\n"
- " Allow interactive authorization for operation\n"
- " --timeout=SECS Maximum time to wait for method call completion\n"
- " --augment-creds=BOOL Extend credential data with data read from /proc/$PID\n\n"
- "Commands:\n"
- " list List bus names\n"
- " status [SERVICE] Show bus service, process or bus owner credentials\n"
- " monitor [SERVICE...] Show bus traffic\n"
- " capture [SERVICE...] Capture bus traffic as pcap\n"
- " tree [SERVICE...] Show object tree of service\n"
- " introspect SERVICE OBJECT [INTERFACE]\n"
- " call SERVICE OBJECT INTERFACE METHOD [SIGNATURE [ARGUMENT...]]\n"
- " Call a method\n"
- " get-property SERVICE OBJECT INTERFACE PROPERTY...\n"
- " Get property value\n"
- " set-property SERVICE OBJECT INTERFACE PROPERTY SIGNATURE ARGUMENT...\n"
- " Set property value\n"
- " help Show this help\n"
- , program_invocation_short_name);
-
- return 0;
-}
-
-static int parse_argv(int argc, char *argv[]) {
-
- enum {
- ARG_VERSION = 0x100,
- ARG_NO_PAGER,
- ARG_NO_LEGEND,
- ARG_SYSTEM,
- ARG_USER,
- ARG_ADDRESS,
- ARG_MATCH,
- ARG_SHOW_MACHINE,
- ARG_UNIQUE,
- ARG_ACQUIRED,
- ARG_ACTIVATABLE,
- ARG_SIZE,
- ARG_LIST,
- ARG_VERBOSE,
- ARG_EXPECT_REPLY,
- ARG_AUTO_START,
- ARG_ALLOW_INTERACTIVE_AUTHORIZATION,
- ARG_TIMEOUT,
- ARG_AUGMENT_CREDS,
- };
-
- static const struct option options[] = {
- { "help", no_argument, NULL, 'h' },
- { "version", no_argument, NULL, ARG_VERSION },
- { "no-pager", no_argument, NULL, ARG_NO_PAGER },
- { "no-legend", no_argument, NULL, ARG_NO_LEGEND },
- { "system", no_argument, NULL, ARG_SYSTEM },
- { "user", no_argument, NULL, ARG_USER },
- { "address", required_argument, NULL, ARG_ADDRESS },
- { "show-machine", no_argument, NULL, ARG_SHOW_MACHINE },
- { "unique", no_argument, NULL, ARG_UNIQUE },
- { "acquired", no_argument, NULL, ARG_ACQUIRED },
- { "activatable", no_argument, NULL, ARG_ACTIVATABLE },
- { "match", required_argument, NULL, ARG_MATCH },
- { "host", required_argument, NULL, 'H' },
- { "machine", required_argument, NULL, 'M' },
- { "size", required_argument, NULL, ARG_SIZE },
- { "list", no_argument, NULL, ARG_LIST },
- { "quiet", no_argument, NULL, 'q' },
- { "verbose", no_argument, NULL, ARG_VERBOSE },
- { "expect-reply", required_argument, NULL, ARG_EXPECT_REPLY },
- { "auto-start", required_argument, NULL, ARG_AUTO_START },
- { "allow-interactive-authorization", required_argument, NULL, ARG_ALLOW_INTERACTIVE_AUTHORIZATION },
- { "timeout", required_argument, NULL, ARG_TIMEOUT },
- { "augment-creds",required_argument, NULL, ARG_AUGMENT_CREDS},
- {},
- };
-
- int c, r;
-
- assert(argc >= 0);
- assert(argv);
-
- while ((c = getopt_long(argc, argv, "hH:M:q", options, NULL)) >= 0)
-
- switch (c) {
-
- case 'h':
- return help();
-
- case ARG_VERSION:
- return version();
-
- case ARG_NO_PAGER:
- arg_no_pager = true;
- break;
-
- case ARG_NO_LEGEND:
- arg_legend = false;
- break;
-
- case ARG_USER:
- arg_user = true;
- break;
-
- case ARG_SYSTEM:
- arg_user = false;
- break;
-
- case ARG_ADDRESS:
- arg_address = optarg;
- break;
-
- case ARG_SHOW_MACHINE:
- arg_show_machine = true;
- break;
-
- case ARG_UNIQUE:
- arg_unique = true;
- break;
-
- case ARG_ACQUIRED:
- arg_acquired = true;
- break;
-
- case ARG_ACTIVATABLE:
- arg_activatable = true;
- break;
-
- case ARG_MATCH:
- if (strv_extend(&arg_matches, optarg) < 0)
- return log_oom();
- break;
-
- case ARG_SIZE: {
- uint64_t sz;
-
- r = parse_size(optarg, 1024, &sz);
- if (r < 0) {
- log_error("Failed to parse size: %s", optarg);
- return r;
- }
-
- if ((uint64_t) (size_t) sz != sz) {
- log_error("Size out of range.");
- return -E2BIG;
- }
-
- arg_snaplen = (size_t) sz;
- break;
- }
-
- case ARG_LIST:
- arg_list = true;
- break;
-
- case 'H':
- arg_transport = BUS_TRANSPORT_REMOTE;
- arg_host = optarg;
- break;
-
- case 'M':
- arg_transport = BUS_TRANSPORT_MACHINE;
- arg_host = optarg;
- break;
-
- case 'q':
- arg_quiet = true;
- break;
-
- case ARG_VERBOSE:
- arg_verbose = true;
- break;
-
- case ARG_EXPECT_REPLY:
- r = parse_boolean(optarg);
- if (r < 0) {
- log_error("Failed to parse --expect-reply= parameter.");
- return r;
- }
-
- arg_expect_reply = !!r;
- break;
-
-
- case ARG_AUTO_START:
- r = parse_boolean(optarg);
- if (r < 0) {
- log_error("Failed to parse --auto-start= parameter.");
- return r;
- }
-
- arg_auto_start = !!r;
- break;
-
-
- case ARG_ALLOW_INTERACTIVE_AUTHORIZATION:
- r = parse_boolean(optarg);
- if (r < 0) {
- log_error("Failed to parse --allow-interactive-authorization= parameter.");
- return r;
- }
-
- arg_allow_interactive_authorization = !!r;
- break;
-
- case ARG_TIMEOUT:
- r = parse_sec(optarg, &arg_timeout);
- if (r < 0) {
- log_error("Failed to parse --timeout= parameter.");
- return r;
- }
-
- break;
-
- case ARG_AUGMENT_CREDS:
- r = parse_boolean(optarg);
- if (r < 0) {
- log_error("Failed to parse --augment-creds= parameter.");
- return r;
- }
-
- arg_augment_creds = !!r;
- break;
-
- case '?':
- return -EINVAL;
-
- default:
- assert_not_reached("Unhandled option");
- }
-
- return 1;
-}
-
-static int busctl_main(sd_bus *bus, int argc, char *argv[]) {
- assert(bus);
-
- if (optind >= argc ||
- streq(argv[optind], "list"))
- return list_bus_names(bus, argv + optind);
-
- if (streq(argv[optind], "monitor"))
- return monitor(bus, argv + optind, message_dump);
-
- if (streq(argv[optind], "capture"))
- return capture(bus, argv + optind);
-
- if (streq(argv[optind], "status"))
- return status(bus, argv + optind);
-
- if (streq(argv[optind], "tree"))
- return tree(bus, argv + optind);
-
- if (streq(argv[optind], "introspect"))
- return introspect(bus, argv + optind);
-
- if (streq(argv[optind], "call"))
- return call(bus, argv + optind);
-
- if (streq(argv[optind], "get-property"))
- return get_property(bus, argv + optind);
-
- if (streq(argv[optind], "set-property"))
- return set_property(bus, argv + optind);
-
- if (streq(argv[optind], "help"))
- return help();
-
- log_error("Unknown command '%s'", argv[optind]);
- return -EINVAL;
-}
-
-int main(int argc, char *argv[]) {
- sd_bus *bus = NULL;
- int r;
-
- log_parse_environment();
- log_open();
-
- r = parse_argv(argc, argv);
- if (r <= 0)
- goto finish;
-
- r = sd_bus_new(&bus);
- if (r < 0) {
- log_error_errno(r, "Failed to allocate bus: %m");
- goto finish;
- }
-
- if (STRPTR_IN_SET(argv[optind], "monitor", "capture")) {
-
- r = sd_bus_set_monitor(bus, true);
- if (r < 0) {
- log_error_errno(r, "Failed to set monitor mode: %m");
- goto finish;
- }
-
- r = sd_bus_negotiate_creds(bus, true, _SD_BUS_CREDS_ALL);
- if (r < 0) {
- log_error_errno(r, "Failed to enable credentials: %m");
- goto finish;
- }
-
- r = sd_bus_negotiate_timestamp(bus, true);
- if (r < 0) {
- log_error_errno(r, "Failed to enable timestamps: %m");
- goto finish;
- }
-
- r = sd_bus_negotiate_fds(bus, true);
- if (r < 0) {
- log_error_errno(r, "Failed to enable fds: %m");
- goto finish;
- }
- }
-
- r = sd_bus_set_bus_client(bus, true);
- if (r < 0) {
- log_error_errno(r, "Failed to set bus client: %m");
- goto finish;
- }
-
- if (arg_address)
- r = sd_bus_set_address(bus, arg_address);
- else {
- switch (arg_transport) {
-
- case BUS_TRANSPORT_LOCAL:
- if (arg_user) {
- bus->is_user = true;
- r = bus_set_address_user(bus);
- } else {
- bus->is_system = true;
- r = bus_set_address_system(bus);
- }
- break;
-
- case BUS_TRANSPORT_REMOTE:
- r = bus_set_address_system_remote(bus, arg_host);
- break;
-
- case BUS_TRANSPORT_MACHINE:
- r = bus_set_address_system_machine(bus, arg_host);
- break;
-
- default:
- assert_not_reached("Hmm, unknown transport type.");
- }
- }
- if (r < 0) {
- log_error_errno(r, "Failed to set address: %m");
- goto finish;
- }
-
- r = sd_bus_start(bus);
- if (r < 0) {
- log_error_errno(r, "Failed to connect to bus: %m");
- goto finish;
- }
-
- r = busctl_main(bus, argc, argv);
-
-finish:
- sd_bus_flush_close_unref(bus);
- pager_close();
-
- strv_free(arg_matches);
-
- return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
-}
projects / thirdparty / systemd.git / blobdiff