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-rw-r--r--src/libsystemd-bus/bus-dump.c313
-rw-r--r--src/libsystemd-bus/bus-dump.h29
2 files changed, 342 insertions, 0 deletions
diff --git a/src/libsystemd-bus/bus-dump.c b/src/libsystemd-bus/bus-dump.c
new file mode 100644
index 0000000000..8c44326f90
--- /dev/null
+++ b/src/libsystemd-bus/bus-dump.c
@@ -0,0 +1,313 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+ 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 <sys/capability.h>
+
+#include "util.h"
+#include "capability.h"
+#include "strv.h"
+
+#include "bus-message.h"
+#include "bus-internal.h"
+#include "bus-type.h"
+#include "bus-dump.h"
+
+int bus_message_dump(sd_bus_message *m, FILE *f, bool with_header) {
+ const char *u = NULL, *uu = NULL, *s = NULL;
+ char **cmdline = NULL;
+ unsigned level = 1;
+ int r;
+ uid_t owner, audit_loginuid;
+ uint32_t audit_sessionid;
+
+ assert(m);
+
+ if (!f)
+ f = stdout;
+
+ if (with_header) {
+ fprintf(f,
+ "%sEndian=%c Type=%s%s%s Flags=%u Version=%u Serial=%u ",
+ draw_special_char(DRAW_TRIANGULAR_BULLET),
+ m->header->endian,
+ ansi_highlight(), bus_message_type_to_string(m->header->type), ansi_highlight_off(),
+ m->header->flags,
+ m->header->version,
+ BUS_MESSAGE_SERIAL(m));
+
+ if (m->reply_serial != 0)
+ fprintf(f, " ReplySerial=%u", m->reply_serial);
+
+ fputs("\n", f);
+
+ if (m->sender)
+ fprintf(f, " Sender=%s%s%s", ansi_highlight(), m->sender, ansi_highlight_off());
+ if (m->destination)
+ fprintf(f, " Destination=%s%s%s", ansi_highlight(), m->destination, ansi_highlight_off());
+ if (m->path)
+ fprintf(f, " Path=%s%s%s", ansi_highlight(), m->path, ansi_highlight_off());
+ if (m->interface)
+ fprintf(f, " Interface=%s%s%s", ansi_highlight(), m->interface, ansi_highlight_off());
+ if (m->member)
+ fprintf(f, " Member=%s%s%s", ansi_highlight(), m->member, ansi_highlight_off());
+
+ if (m->sender || m->destination || m->path || m->interface || m->member)
+ fputs("\n", f);
+
+ if (sd_bus_error_is_set(&m->error))
+ fprintf(f,
+ " ErrorName=%s%s%s"
+ " ErrorMessage=%s\"%s\"%s\n",
+ ansi_highlight_red(), strna(m->error.name), ansi_highlight_off(),
+ ansi_highlight_red(), strna(m->error.message), ansi_highlight_off());
+
+ if (m->pid != 0)
+ fprintf(f, " PID=%lu", (unsigned long) m->pid);
+ if (m->pid_starttime != 0)
+ fprintf(f, " PIDStartTime=%llu", (unsigned long long) m->pid_starttime);
+ if (m->tid != 0)
+ fprintf(f, " TID=%lu", (unsigned long) m->tid);
+ if (m->uid_valid)
+ fprintf(f, " UID=%lu", (unsigned long) m->uid);
+ r = sd_bus_message_get_owner_uid(m, &owner);
+ if (r >= 0)
+ fprintf(f, " OwnerUID=%lu", (unsigned long) owner);
+ if (m->gid_valid)
+ fprintf(f, " GID=%lu", (unsigned long) m->gid);
+
+ if (m->pid != 0 || m->pid_starttime != 0 || m->tid != 0 || m->uid_valid || r >= 0 || m->gid_valid)
+ fputs("\n", f);
+
+ if (m->monotonic != 0)
+ fprintf(f, " Monotonic=%llu", (unsigned long long) m->monotonic);
+ if (m->realtime != 0)
+ fprintf(f, " Realtime=%llu", (unsigned long long) m->realtime);
+
+ if (m->monotonic != 0 || m->realtime != 0)
+ fputs("\n", f);
+
+ if (m->exe)
+ fprintf(f, " Exe=%s", m->exe);
+ if (m->comm)
+ fprintf(f, " Comm=%s", m->comm);
+ if (m->tid_comm)
+ fprintf(f, " TIDComm=%s", m->tid_comm);
+ if (m->label)
+ fprintf(f, " Label=%s", m->label);
+
+ if (m->exe || m->comm || m->tid_comm || m->label)
+ fputs("\n", f);
+
+ if (sd_bus_message_get_cmdline(m, &cmdline) >= 0) {
+ char **c;
+
+ fputs(" CommandLine=[", f);
+ STRV_FOREACH(c, cmdline) {
+ if (c != cmdline)
+ fputc(' ', f);
+
+ fputs(*c, f);
+ }
+
+ fputs("]\n", f);
+ }
+
+ if (m->cgroup)
+ fprintf(f, " CGroup=%s\n", m->cgroup);
+
+ sd_bus_message_get_unit(m, &u);
+ if (u)
+ fprintf(f, " Unit=%s", u);
+ sd_bus_message_get_user_unit(m, &uu);
+ if (uu)
+ fprintf(f, " UserUnit=%s", uu);
+ sd_bus_message_get_session(m, &s);
+ if (s)
+ fprintf(f, " Session=%s", s);
+ if (sd_bus_message_get_audit_loginuid(m, &audit_loginuid) >= 0)
+ fprintf(f, " AuditLoginUID=%lu", (unsigned long) audit_loginuid);
+ if (sd_bus_message_get_audit_sessionid(m, &audit_sessionid) >= 0)
+ fprintf(f, " AuditSessionID=%lu", (unsigned long) audit_sessionid);
+
+ if (u || uu || s || audit_loginuid || audit_sessionid)
+ fputs("\n", f);
+
+ r = sd_bus_message_has_effective_cap(m, 0);
+ if (r >= 0) {
+ unsigned long c, last_cap;
+
+ fprintf(f, " Capabilities=%s", r ? cap_to_name(0) : "");
+
+ last_cap = cap_last_cap();
+ for (c = 0; c < last_cap; c++) {
+ r = sd_bus_message_has_effective_cap(m, c);
+ if (r > 0)
+ fprintf(f, "|%s", cap_to_name(c));
+ }
+ }
+ }
+
+ r = sd_bus_message_rewind(m, true);
+ if (r < 0) {
+ log_error("Failed to rewind: %s", strerror(-r));
+ return r;
+ }
+
+ fprintf(f, "MESSAGE \"%s\" {\n", strempty(m->root_container.signature));
+
+ for(;;) {
+ _cleanup_free_ char *prefix = NULL;
+ 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) {
+ log_error("Failed to peek type: %s", strerror(-r));
+ return r;
+ }
+
+ if (r == 0) {
+ if (level <= 1)
+ break;
+
+ r = sd_bus_message_exit_container(m);
+ if (r < 0) {
+ log_error("Failed to exit container: %s", strerror(-r));
+ return r;
+ }
+
+ level--;
+
+ prefix = strrep("\t", level);
+ if (!prefix)
+ return log_oom();
+
+ fprintf(f, "%s};\n", prefix);
+ continue;
+ }
+
+ prefix = strrep("\t", level);
+ if (!prefix)
+ return log_oom();
+
+ if (bus_type_is_container(type) > 0) {
+ r = sd_bus_message_enter_container(m, type, contents);
+ if (r < 0) {
+ log_error("Failed to enter container: %s", strerror(-r));
+ return r;
+ }
+
+ if (type == SD_BUS_TYPE_ARRAY)
+ fprintf(f, "%sARRAY \"%s\" {\n", prefix, contents);
+ else if (type == SD_BUS_TYPE_VARIANT)
+ fprintf(f, "%sVARIANT \"%s\" {\n", prefix, contents);
+ else if (type == SD_BUS_TYPE_STRUCT)
+ fprintf(f, "%sSTRUCT \"%s\" {\n", prefix, contents);
+ else if (type == SD_BUS_TYPE_DICT_ENTRY)
+ fprintf(f, "%sDICT_ENTRY \"%s\" {\n", prefix, contents);
+
+ level ++;
+
+ continue;
+ }
+
+ r = sd_bus_message_read_basic(m, type, &basic);
+ if (r < 0) {
+ log_error("Failed to get basic: %s", strerror(-r));
+ return r;
+ }
+
+ assert(r > 0);
+
+ switch (type) {
+
+ case SD_BUS_TYPE_BYTE:
+ fprintf(f, "%sBYTE %s%u%s;\n", prefix, ansi_highlight(), basic.u8, ansi_highlight_off());
+ break;
+
+ case SD_BUS_TYPE_BOOLEAN:
+ fprintf(f, "%sBOOLEAN %s%s%s;\n", prefix, ansi_highlight(), yes_no(basic.i), ansi_highlight_off());
+ break;
+
+ case SD_BUS_TYPE_INT16:
+ fprintf(f, "%sINT16 %s%i%s;\n", prefix, ansi_highlight(), basic.s16, ansi_highlight_off());
+ break;
+
+ case SD_BUS_TYPE_UINT16:
+ fprintf(f, "%sUINT16 %s%u%s;\n", prefix, ansi_highlight(), basic.u16, ansi_highlight_off());
+ break;
+
+ case SD_BUS_TYPE_INT32:
+ fprintf(f, "%sINT32 %s%i%s;\n", prefix, ansi_highlight(), basic.s32, ansi_highlight_off());
+ break;
+
+ case SD_BUS_TYPE_UINT32:
+ fprintf(f, "%sUINT32 %s%u%s;\n", prefix, ansi_highlight(), basic.u32, ansi_highlight_off());
+ break;
+
+ case SD_BUS_TYPE_INT64:
+ fprintf(f, "%sINT64 %s%lli%s;\n", prefix, ansi_highlight(), (long long) basic.s64, ansi_highlight_off());
+ break;
+
+ case SD_BUS_TYPE_UINT64:
+ fprintf(f, "%sUINT64 %s%llu%s;\n", prefix, ansi_highlight(), (unsigned long long) basic.u64, ansi_highlight_off());
+ break;
+
+ case SD_BUS_TYPE_DOUBLE:
+ fprintf(f, "%sDOUBLE %s%g%s;\n", prefix, ansi_highlight(), basic.d64, ansi_highlight_off());
+ break;
+
+ case SD_BUS_TYPE_STRING:
+ fprintf(f, "%sSTRING \"%s%s%s\";\n", prefix, ansi_highlight(), basic.string, ansi_highlight_off());
+ break;
+
+ case SD_BUS_TYPE_OBJECT_PATH:
+ fprintf(f, "%sOBJECT_PATH \"%s%s%s\";\n", prefix, ansi_highlight(), basic.string, ansi_highlight_off());
+ break;
+
+ case SD_BUS_TYPE_SIGNATURE:
+ fprintf(f, "%sSIGNATURE \"%s%s%s\";\n", prefix, ansi_highlight(), basic.string, ansi_highlight_off());
+ break;
+
+ case SD_BUS_TYPE_UNIX_FD:
+ fprintf(f, "%sUNIX_FD %s%i%s;\n", prefix, ansi_highlight(), basic.i, ansi_highlight_off());
+ break;
+
+ default:
+ assert_not_reached("Unknown basic type.");
+ }
+ }
+
+ fprintf(f, "};\n");
+ return 0;
+}
diff --git a/src/libsystemd-bus/bus-dump.h b/src/libsystemd-bus/bus-dump.h
new file mode 100644
index 0000000000..51aa6aad4a
--- /dev/null
+++ b/src/libsystemd-bus/bus-dump.h
@@ -0,0 +1,29 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+#pragma once
+
+/***
+ 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 <stdio.h>
+#include <stdbool.h>
+
+#include "sd-bus.h"
+
+int bus_message_dump(sd_bus_message *m, FILE *f, bool with_header);
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-12-12 13:14:36 +0000