+++ /dev/null
-/*-*- 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 "util.h"
-#include "capability.h"
-#include "strv.h"
-#include "audit.h"
-
-#include "bus-message.h"
-#include "bus-internal.h"
-#include "bus-type.h"
-#include "bus-dump.h"
-
-static char *indent(unsigned level) {
- char *p;
-
- p = new(char, 2 + level + 1);
- if (!p)
- return NULL;
-
- p[0] = p[1] = ' ';
- memset(p + 2, '\t', level);
- p[2 + level] = 0;
-
- return p;
-}
-
-int bus_message_dump(sd_bus_message *m, FILE *f, bool with_header) {
- unsigned level = 1;
- int r;
-
- assert(m);
-
- if (!f)
- f = stdout;
-
- if (with_header) {
- fprintf(f,
- "%s%s%sType=%s%s%s Endian=%c Flags=%u Version=%u",
- m->header->type == SD_BUS_MESSAGE_METHOD_ERROR ? ansi_highlight_red() :
- m->header->type == SD_BUS_MESSAGE_METHOD_RETURN ? ansi_highlight_green() :
- m->header->type != SD_BUS_MESSAGE_SIGNAL ? ansi_highlight() : "", draw_special_char(DRAW_TRIANGULAR_BULLET), ansi_highlight_off(),
- ansi_highlight(), bus_message_type_to_string(m->header->type), ansi_highlight_off(),
- m->header->endian,
- m->header->flags,
- m->header->version);
-
- /* Display synthetic message serial number in a more readable
- * format than (uint32_t) -1 */
- if (BUS_MESSAGE_COOKIE(m) == 0xFFFFFFFFULL)
- fprintf(f, " Cookie=-1");
- else
- fprintf(f, " Cookie=%lu", (unsigned long) BUS_MESSAGE_COOKIE(m));
-
- if (m->reply_cookie != 0)
- fprintf(f, " ReplyCookie=%lu", (unsigned long) m->reply_cookie);
-
- 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->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);
-
- bus_creds_dump(&m->creds, f);
- }
-
- 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 = indent(level);
- if (!prefix)
- return log_oom();
-
- fprintf(f, "%s};\n", prefix);
- continue;
- }
-
- prefix = indent(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(), true_false(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\n");
- return 0;
-}
-
-static void dump_capabilities(
- sd_bus_creds *c,
- FILE *f,
- const char *name,
- int (*has)(sd_bus_creds *c, int capability)) {
-
- unsigned long i, last_cap;
- unsigned n = 0;
- int r;
-
- assert(c);
- assert(f);
- assert(name);
- assert(has);
-
- i = 0;
- r = has(c, i);
- if (r < 0)
- return;
-
- fprintf(f, " %s=", name);
- last_cap = cap_last_cap();
-
- for (;;) {
- if (r > 0) {
- _cleanup_cap_free_charp_ char *t;
-
- if (n > 0)
- fputc(' ', f);
- if (n % 4 == 3)
- fputs("\n ", f);
-
- t = cap_to_name(i);
- fprintf(f, "%s", t);
- n++;
- }
-
- i++;
-
- if (i > last_cap)
- break;
-
- r = has(c, i);
- }
-
- fputs("\n", f);
-}
-
-int bus_creds_dump(sd_bus_creds *c, FILE *f) {
- bool audit_sessionid_is_set = false, audit_loginuid_is_set = false;
- const char *u = NULL, *uu = NULL, *s = NULL, *sl = NULL;
- uid_t owner, audit_loginuid;
- uint32_t audit_sessionid;
- char **cmdline = NULL, **well_known = NULL;
- int r;
-
- assert(c);
-
- if (!f)
- f = stdout;
-
- if (c->mask & SD_BUS_CREDS_PID)
- fprintf(f, " PID=%lu", (unsigned long) c->pid);
- if (c->mask & SD_BUS_CREDS_PID_STARTTIME)
- fprintf(f, " PIDStartTime=%llu", (unsigned long long) c->pid_starttime);
- if (c->mask & SD_BUS_CREDS_TID)
- fprintf(f, " TID=%lu", (unsigned long) c->tid);
- if (c->mask & SD_BUS_CREDS_UID)
- fprintf(f, " UID=%lu", (unsigned long) c->uid);
- r = sd_bus_creds_get_owner_uid(c, &owner);
- if (r >= 0)
- fprintf(f, " OwnerUID=%lu", (unsigned long) owner);
- if (c->mask & SD_BUS_CREDS_GID)
- fprintf(f, " GID=%lu", (unsigned long) c->gid);
-
- if ((c->mask & (SD_BUS_CREDS_PID|SD_BUS_CREDS_PID_STARTTIME|SD_BUS_CREDS_TID|SD_BUS_CREDS_UID|SD_BUS_CREDS_GID)) || r >= 0)
- fputs("\n", f);
-
- if (c->mask & SD_BUS_CREDS_EXE)
- fprintf(f, " Exe=%s", c->exe);
- if (c->mask & SD_BUS_CREDS_COMM)
- fprintf(f, " Comm=%s", c->comm);
- if (c->mask & SD_BUS_CREDS_TID_COMM)
- fprintf(f, " TIDComm=%s", c->tid_comm);
- if (c->mask & SD_BUS_CREDS_SELINUX_CONTEXT)
- fprintf(f, " Label=%s", c->label);
-
- if (c->mask & (SD_BUS_CREDS_EXE|SD_BUS_CREDS_COMM|SD_BUS_CREDS_TID_COMM|SD_BUS_CREDS_SELINUX_CONTEXT))
- fputs("\n", f);
-
- if (sd_bus_creds_get_cmdline(c, &cmdline) >= 0) {
- char **i;
-
- fputs(" CommandLine={", f);
- STRV_FOREACH(i, cmdline) {
- if (i != cmdline)
- fputc(' ', f);
-
- fputs(*i, f);
- }
-
- fputs("}\n", f);
- }
-
- if (c->mask & SD_BUS_CREDS_CGROUP)
- fprintf(f, " CGroup=%s", c->cgroup);
- sd_bus_creds_get_unit(c, &u);
- if (u)
- fprintf(f, " Unit=%s", u);
- sd_bus_creds_get_user_unit(c, &uu);
- if (uu)
- fprintf(f, " UserUnit=%s", uu);
- sd_bus_creds_get_slice(c, &sl);
- if (sl)
- fprintf(f, " Slice=%s", sl);
- sd_bus_creds_get_session(c, &s);
- if (s)
- fprintf(f, " Session=%s", s);
-
- if ((c->mask & SD_BUS_CREDS_CGROUP) || u || uu || sl || s)
- fputs("\n", f);
-
- if (sd_bus_creds_get_audit_login_uid(c, &audit_loginuid) >= 0) {
- audit_loginuid_is_set = true;
- fprintf(f, " AuditLoginUID=%lu", (unsigned long) audit_loginuid);
- }
- if (sd_bus_creds_get_audit_session_id(c, &audit_sessionid) >= 0) {
- audit_sessionid_is_set = true;
- fprintf(f, " AuditSessionID=%lu", (unsigned long) audit_sessionid);
- }
-
- if (audit_loginuid_is_set || audit_sessionid_is_set)
- fputs("\n", f);
-
- if (c->mask & SD_BUS_CREDS_UNIQUE_NAME)
- fprintf(f, " UniqueName=%s", c->unique_name);
-
- if (sd_bus_creds_get_well_known_names(c, &well_known) >= 0) {
- char **i;
-
- fputs(" WellKnownNames={", f);
- STRV_FOREACH(i, well_known) {
- if (i != well_known)
- fputc(' ', f);
-
- fputs(*i, f);
- }
-
- fputc('}', f);
- }
-
- if (c->mask & SD_BUS_CREDS_UNIQUE_NAME || well_known)
- fputc('\n', f);
-
- dump_capabilities(c, f, "EffectiveCapabilities", sd_bus_creds_has_effective_cap);
- dump_capabilities(c, f, "PermittedCapabilities", sd_bus_creds_has_permitted_cap);
- dump_capabilities(c, f, "InheritableCapabilities", sd_bus_creds_has_inheritable_cap);
- dump_capabilities(c, f, "BoundingCapabilities", sd_bus_creds_has_bounding_cap);
-
- return 0;
-}
~ianmdlvl / elogind.git / blobdiff