--- /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