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/*-*- 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;
}
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