diff options
Diffstat (limited to 'src/libsystemd/sd-bus/busctl.c')
-rw-r--r-- | src/libsystemd/sd-bus/busctl.c | 2073 |
1 files changed, 0 insertions, 2073 deletions
diff --git a/src/libsystemd/sd-bus/busctl.c b/src/libsystemd/sd-bus/busctl.c deleted file mode 100644 index 35fabf038c..0000000000 --- a/src/libsystemd/sd-bus/busctl.c +++ /dev/null @@ -1,2073 +0,0 @@ -/*** - 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; - -static void pager_open_if_enabled(void) { - - /* Cache result before we open the pager */ - if (arg_no_pager) - return; - - pager_open(false); -} - -#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_if_enabled(); - - 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, draw_special_char(DRAW_TREE_VERTICAL)); - space = strjoina(prefix, draw_special_char(DRAW_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, draw_special_char(has_more ? DRAW_TREE_BRANCH : DRAW_TREE_RIGHT), *l); - - print_subtree(has_more ? vertical : space, *l, l); - l = n; - } -} - -static void print_tree(const char *prefix, char **l) { - - pager_open_if_enabled(); - - 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_if_enabled(); - - 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_if_enabled(); - - 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_if_enabled(); - 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 (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); - } else if (type == SD_BUS_TYPE_VARIANT) { - - if (needs_space) - fputc(' ', f); - - fprintf(f, "%s", contents); - } - - r = format_cmdline(m, f, needs_space || IN_SET(type, SD_BUS_TYPE_ARRAY, SD_BUS_TYPE_VARIANT)); - if (r < 0) - return r; - - 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_if_enabled(); - - 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)) { - bool added_something = false; - char **i; - int 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, "'", NULL); - if (!m) - return log_oom(); - - r = sd_bus_add_match(bus, NULL, m, NULL, NULL); - if (r < 0) - return log_error_errno(r, "Failed to add match: %m"); - - free(m); - m = strjoin("destination='", *i, "'", NULL); - if (!m) - return log_oom(); - - r = sd_bus_add_match(bus, NULL, m, NULL, NULL); - if (r < 0) - return log_error_errno(r, "Failed to add match: %m"); - - added_something = true; - } - - STRV_FOREACH(i, arg_matches) { - r = sd_bus_add_match(bus, NULL, *i, NULL, NULL); - if (r < 0) - return log_error_errno(r, "Failed to add match: %m"); - - added_something = true; - } - - if (!added_something) { - r = sd_bus_add_match(bus, NULL, "", NULL, NULL); - if (r < 0) - return log_error_errno(r, "Failed to add match: %m"); - } - - 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_if_enabled(); - - 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_if_enabled(); - - 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[]) { - _cleanup_(sd_bus_flush_close_unrefp) 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 (streq_ptr(argv[optind], "monitor") || - streq_ptr(argv[optind], "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: - pager_close(); - - strv_free(arg_matches); - - return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; -} |