X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Flibsystemd-bus%2Fbus-dump.c;h=78e7597ed540bca227f9fb752b2be0e6e485f4be;hp=8c44326f90fe2c6706714fbc49fb44cbcb6cf908;hb=5ce70e5bcd62e89b52485961c3699312ee4a7e0e;hpb=3db0e46b0de5e46922ebbbd77de4d3d1214bcc9a
diff --git a/src/libsystemd-bus/bus-dump.c b/src/libsystemd-bus/bus-dump.c
index 8c44326f9..78e7597ed 100644
--- a/src/libsystemd-bus/bus-dump.c
+++ b/src/libsystemd-bus/bus-dump.c
@@ -19,24 +19,33 @@
along with systemd; If not, see .
***/
-#include
-
#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) {
- 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);
@@ -45,16 +54,24 @@ int bus_message_dump(sd_bus_message *m, FILE *f, bool with_header) {
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,
+ "%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,
- BUS_MESSAGE_SERIAL(m));
+ 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_serial != 0)
- fprintf(f, " ReplySerial=%u", m->reply_serial);
+ if (m->reply_cookie != 0)
+ fprintf(f, " ReplyCookie=%lu", (unsigned long) m->reply_cookie);
fputs("\n", f);
@@ -79,23 +96,6 @@ int bus_message_dump(sd_bus_message *m, FILE *f, bool with_header) {
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)
@@ -104,65 +104,7 @@ int bus_message_dump(sd_bus_message *m, FILE *f, bool with_header) {
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));
- }
- }
+ bus_creds_dump(&m->creds, f);
}
r = sd_bus_message_rewind(m, true);
@@ -171,9 +113,9 @@ int bus_message_dump(sd_bus_message *m, FILE *f, bool with_header) {
return r;
}
- fprintf(f, "MESSAGE \"%s\" {\n", strempty(m->root_container.signature));
+ fprintf(f, " MESSAGE \"%s\" {\n", strempty(m->root_container.signature));
- for(;;) {
+ for (;;) {
_cleanup_free_ char *prefix = NULL;
const char *contents = NULL;
char type;
@@ -208,7 +150,7 @@ int bus_message_dump(sd_bus_message *m, FILE *f, bool with_header) {
level--;
- prefix = strrep("\t", level);
+ prefix = indent(level);
if (!prefix)
return log_oom();
@@ -216,7 +158,7 @@ int bus_message_dump(sd_bus_message *m, FILE *f, bool with_header) {
continue;
}
- prefix = strrep("\t", level);
+ prefix = indent(level);
if (!prefix)
return log_oom();
@@ -256,7 +198,7 @@ int bus_message_dump(sd_bus_message *m, FILE *f, bool with_header) {
break;
case SD_BUS_TYPE_BOOLEAN:
- fprintf(f, "%sBOOLEAN %s%s%s;\n", prefix, ansi_highlight(), yes_no(basic.i), ansi_highlight_off());
+ fprintf(f, "%sBOOLEAN %s%s%s;\n", prefix, ansi_highlight(), true_false(basic.i), ansi_highlight_off());
break;
case SD_BUS_TYPE_INT16:
@@ -308,6 +250,168 @@ int bus_message_dump(sd_bus_message *m, FILE *f, bool with_header) {
}
}
- fprintf(f, "};\n");
+ 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;
}