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busctl: improve output of service creds

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This commit is contained in:
Lennart Poettering 2014-11-19 23:59:26 +01:00
parent 0171da06ef
commit d0b2babf52
4 changed files with 60 additions and 41 deletions
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93
src/libsystemd/sd-bus/bus-dump.c
View file

@ -121,7 +121,7 @@ int bus_message_dump(sd_bus_message *m, FILE *f, unsigned flags) {
if (m->monotonic != 0 || m->realtime != 0 || m->seqnum != 0)
fputs("\n", f);
bus_creds_dump(&m->creds, f);
bus_creds_dump(&m->creds, f, true);
}
r = sd_bus_message_rewind(m, !(flags & BUS_MESSAGE_DUMP_SUBTREE_ONLY));
@ -278,6 +278,7 @@ static void dump_capabilities(
sd_bus_creds *c,
FILE *f,
const char *name,
bool terse,
int (*has)(sd_bus_creds *c, int capability)) {
unsigned long i, last_cap;
@ -294,7 +295,7 @@ static void dump_capabilities(
if (r < 0)
return;
fprintf(f, " %s=", name);
fprintf(f, "%s%s=%s", terse ? " " : "", name, terse ? "" : ansi_highlight());
last_cap = cap_last_cap();
for (;;) {
@ -304,7 +305,7 @@ static void dump_capabilities(
if (n > 0)
fputc(' ', f);
if (n % 4 == 3)
fputs("\n ", f);
fprintf(f, terse ? "\n " : "\n ");
t = cap_to_name(i);
fprintf(f, "%s", t);
@ -320,14 +321,18 @@ static void dump_capabilities(
}
fputs("\n", f);
if (!terse)
fputs(ansi_highlight_off(), f);
}
int bus_creds_dump(sd_bus_creds *c, FILE *f) {
int bus_creds_dump(sd_bus_creds *c, FILE *f, bool terse) {
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;
const char *prefix, *color, *suffix;
int r;
assert(c);
@ -335,45 +340,59 @@ int bus_creds_dump(sd_bus_creds *c, FILE *f) {
if (!f)
f = stdout;
if (terse) {
prefix = " ";
suffix = "";
color = "";
} else {
const char *off;
prefix = "";
color = ansi_highlight();
off = ansi_highlight_off();
suffix = strappenda(off, "\n");
}
if (c->mask & SD_BUS_CREDS_PID)
fprintf(f, " PID="PID_FMT, c->pid);
fprintf(f, "%sPID=%s"PID_FMT"%s", prefix, color, c->pid, suffix);
if (c->mask & SD_BUS_CREDS_PID_STARTTIME)
fprintf(f, " PIDStartTime="USEC_FMT, c->pid_starttime);
fprintf(f, "%sPIDStartTime=%s"USEC_FMT"%s", prefix, color, c->pid_starttime, suffix);
if (c->mask & SD_BUS_CREDS_TID)
fprintf(f, " TID="PID_FMT, c->tid);
fprintf(f, "%sTID=%s"PID_FMT"%s", prefix, color, c->tid, suffix);
if (c->mask & SD_BUS_CREDS_UID)
fprintf(f, " UID="UID_FMT, c->uid);
fprintf(f, "%sUID=%s"UID_FMT"%s", prefix, color, c->uid, suffix);
r = sd_bus_creds_get_owner_uid(c, &owner);
if (r >= 0)
fprintf(f, " OwnerUID="UID_FMT, owner);
fprintf(f, "%sOwnerUID=%s"UID_FMT"%s", prefix, color, owner, suffix);
if (c->mask & SD_BUS_CREDS_GID)
fprintf(f, " GID="GID_FMT, c->gid);
fprintf(f, "%sGID=%s"GID_FMT"%s", prefix, color, c->gid, suffix);
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)
if (terse && ((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);
fprintf(f, "%sExe=%s%s%s", prefix, color, c->exe, suffix);
if (c->mask & SD_BUS_CREDS_COMM)
fprintf(f, " Comm=%s", c->comm);
fprintf(f, "%sComm=%s%s%s", prefix, color, c->comm, suffix);
if (c->mask & SD_BUS_CREDS_TID_COMM)
fprintf(f, " TIDComm=%s", c->tid_comm);
fprintf(f, "%sTIDComm=%s%s%s", prefix, color, c->tid_comm, suffix);
if (c->mask & (SD_BUS_CREDS_EXE|SD_BUS_CREDS_COMM|SD_BUS_CREDS_TID_COMM))
if (terse && (c->mask & (SD_BUS_CREDS_EXE|SD_BUS_CREDS_COMM|SD_BUS_CREDS_TID_COMM)))
fputs("\n", f);
if (c->mask & SD_BUS_CREDS_SELINUX_CONTEXT)
fprintf(f, " Label=%s", c->label);
fprintf(f, "%sLabel=%s%s%s", prefix, color, c->label, suffix);
if (c->mask & SD_BUS_CREDS_DESCRIPTION)
fprintf(f, " Description=%s", c->description);
fprintf(f, "%sDescription=%s%s%s", prefix, color, c->description, suffix);
if (c->mask & (SD_BUS_CREDS_SELINUX_CONTEXT|SD_BUS_CREDS_DESCRIPTION))
if (terse && (c->mask & (SD_BUS_CREDS_SELINUX_CONTEXT|SD_BUS_CREDS_DESCRIPTION)))
fputs("\n", f);
if (sd_bus_creds_get_cmdline(c, &cmdline) >= 0) {
char **i;
fputs(" CommandLine={", f);
fprintf(f, "%sCommandLine=%s", prefix, color);
STRV_FOREACH(i, cmdline) {
if (i != cmdline)
fputc(' ', f);
@ -381,46 +400,46 @@ int bus_creds_dump(sd_bus_creds *c, FILE *f) {
fputs(*i, f);
}
fputs("}\n", f);
fprintf(f, "%s", suffix);
}
if (c->mask & SD_BUS_CREDS_CGROUP)
fprintf(f, " CGroup=%s", c->cgroup);
fprintf(f, "%sCGroup=%s%s%s", prefix, color, c->cgroup, suffix);
sd_bus_creds_get_unit(c, &u);
if (u)
fprintf(f, " Unit=%s", u);
fprintf(f, "%sUnit=%s%s%s", prefix, color, u, suffix);
sd_bus_creds_get_user_unit(c, &uu);
if (uu)
fprintf(f, " UserUnit=%s", uu);
fprintf(f, "%sUserUnit=%s%s%s", prefix, color, uu, suffix);
sd_bus_creds_get_slice(c, &sl);
if (sl)
fprintf(f, " Slice=%s", sl);
fprintf(f, "%sSlice=%s%s%s", prefix, color, sl, suffix);
sd_bus_creds_get_session(c, &s);
if (s)
fprintf(f, " Session=%s", s);
fprintf(f, "%sSession=%s%s%s", prefix, color, s, suffix);
if ((c->mask & SD_BUS_CREDS_CGROUP) || u || uu || sl || s)
if (terse && ((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="UID_FMT, audit_loginuid);
fprintf(f, "%sAuditLoginUID=%s"UID_FMT"%s", prefix, color, audit_loginuid, suffix);
}
if (sd_bus_creds_get_audit_session_id(c, &audit_sessionid) >= 0) {
audit_sessionid_is_set = true;
fprintf(f, " AuditSessionID=%"PRIu32, audit_sessionid);
fprintf(f, "%sAuditSessionID=%s%"PRIu32"%s", prefix, color, audit_sessionid, suffix);
}
if (audit_loginuid_is_set || audit_sessionid_is_set)
if (terse && (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);
fprintf(f, "%sUniqueName=%s%s%s", prefix, color, c->unique_name, suffix);
if (sd_bus_creds_get_well_known_names(c, &well_known) >= 0) {
char **i;
fputs(" WellKnownNames={", f);
fprintf(f, "%sWellKnownNames=%s", prefix, color);
STRV_FOREACH(i, well_known) {
if (i != well_known)
fputc(' ', f);
@ -428,16 +447,16 @@ int bus_creds_dump(sd_bus_creds *c, FILE *f) {
fputs(*i, f);
}
fputc('}', f);
fprintf(f, "%s", suffix);
}
if (c->mask & SD_BUS_CREDS_UNIQUE_NAME || well_known)
if (terse && (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);
dump_capabilities(c, f, "EffectiveCapabilities", terse, sd_bus_creds_has_effective_cap);
dump_capabilities(c, f, "PermittedCapabilities", terse, sd_bus_creds_has_permitted_cap);
dump_capabilities(c, f, "InheritableCapabilities", terse, sd_bus_creds_has_inheritable_cap);
dump_capabilities(c, f, "BoundingCapabilities", terse, sd_bus_creds_has_bounding_cap);
return 0;
}

2
src/libsystemd/sd-bus/bus-dump.h
View file

@ -33,7 +33,7 @@ enum {
int bus_message_dump(sd_bus_message *m, FILE *f, unsigned flags);
int bus_creds_dump(sd_bus_creds *c, FILE *f);
int bus_creds_dump(sd_bus_creds *c, FILE *f, bool terse);
int bus_pcap_header(size_t snaplen, FILE *f);
int bus_message_pcap_frame(sd_bus_message *m, size_t snaplen, FILE *f);

2
src/libsystemd/sd-bus/busctl.c
View file

@ -938,7 +938,7 @@ static int status(sd_bus *bus, char *argv[]) {
return r;
}
bus_creds_dump(creds, NULL);
bus_creds_dump(creds, NULL, false);
return 0;
}

4
src/libsystemd/sd-bus/test-bus-creds.c
View file

@ -31,7 +31,7 @@ int main(int argc, char *argv[]) {
r = sd_bus_creds_new_from_pid(&creds, 0, _SD_BUS_CREDS_ALL);
assert_se(r >= 0);
bus_creds_dump(creds, NULL);
bus_creds_dump(creds, NULL, true);
creds = sd_bus_creds_unref(creds);
@ -39,7 +39,7 @@ int main(int argc, char *argv[]) {
if (r != -EACCES) {
assert_se(r >= 0);
putchar('\n');
bus_creds_dump(creds, NULL);
bus_creds_dump(creds, NULL, true);
}
return 0;