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systemd/0036-core-fix-D-Bus-API.patch

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Backport a bunch of patches, including LP#172535
2017-10-25 14:25:53 +00:00
From 5038dc90efcd92e3fbbae06a7d459c8f5d549915 Mon Sep 17 00:00:00 2001
From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Thu, 19 Oct 2017 22:40:04 +0900
Subject: [PATCH] core: fix D-Bus API
This fixes bugs introduced by cffaed83e87bde81378b2be74192193850d0e03a.
Closes #7129.
(cherry picked from commit 3f856a2813359ad8203ccad388e54ff41a9ecaf1)
---
src/core/dbus-execute.c | 8 ++---
src/shared/bus-unit-util.c | 79 ++++++++++++++++++++++++++--------------------
2 files changed, 49 insertions(+), 38 deletions(-)
diff --git a/src/core/dbus-execute.c b/src/core/dbus-execute.c
index e0aa9fdd82..26c6e039b8 100644
--- a/src/core/dbus-execute.c
+++ b/src/core/dbus-execute.c
@@ -1189,7 +1189,7 @@ int bus_exec_context_set_transient_property(
} else if (streq(name, "SystemCallFilter")) {
int whitelist;
- _cleanup_strv_free_ char **l;
+ _cleanup_strv_free_ char **l = NULL;
r = sd_bus_message_enter_container(message, 'r', "bas");
if (r < 0)
@@ -1238,7 +1238,7 @@ int bus_exec_context_set_transient_property(
if (id == __NR_SCMP_ERROR)
return -EINVAL;
- r = set_put(c->address_families, INT_TO_PTR(id + 1));
+ r = set_put(c->syscall_filter, INT_TO_PTR(id + 1));
if (r < 0)
return r;
}
@@ -1250,7 +1250,7 @@ int bus_exec_context_set_transient_property(
if (id == __NR_SCMP_ERROR)
return -EINVAL;
- r = set_put(c->address_families, INT_TO_PTR(id + 1));
+ r = set_put(c->syscall_filter, INT_TO_PTR(id + 1));
if (r < 0)
return r;
}
@@ -1330,7 +1330,7 @@ int bus_exec_context_set_transient_property(
} else if (streq(name, "RestrictAddressFamilies")) {
int whitelist;
- _cleanup_strv_free_ char **l;
+ _cleanup_strv_free_ char **l = NULL;
r = sd_bus_message_enter_container(message, 'r', "bas");
if (r < 0)
diff --git a/src/shared/bus-unit-util.c b/src/shared/bus-unit-util.c
index 6e2022587a..0b8260193a 100644
--- a/src/shared/bus-unit-util.c
+++ b/src/shared/bus-unit-util.c
@@ -602,12 +602,9 @@ int bus_append_unit_property_assignment(sd_bus_message *m, const char *assignmen
} else if (streq(field, "SystemCallFilter")) {
int whitelist;
+ _cleanup_strv_free_ char **l = NULL;
const char *p;
- r = sd_bus_message_open_container(m, 'v', "bas");
- if (r < 0)
- return bus_log_create_error(r);
-
p = eq;
if (*p == '~') {
whitelist = 0;
@@ -615,18 +612,10 @@ int bus_append_unit_property_assignment(sd_bus_message *m, const char *assignmen
} else
whitelist = 1;
- r = sd_bus_message_append_basic(m, 'b', &whitelist);
- if (r < 0)
- return bus_log_create_error(r);
-
- r = sd_bus_message_open_container(m, 'a', "s");
- if (r < 0)
- return bus_log_create_error(r);
-
if (whitelist != 0) {
- r = sd_bus_message_append_basic(m, 's', "@default");
+ r = strv_extend(&l, "@default");
if (r < 0)
- return bus_log_create_error(r);
+ return log_oom();
}
for (;;) {
@@ -638,16 +627,34 @@ int bus_append_unit_property_assignment(sd_bus_message *m, const char *assignmen
if (r == 0)
break;
- r = sd_bus_message_append_basic(m, 's', word);
+ r = strv_extend(&l, word);
if (r < 0)
- return bus_log_create_error(r);
+ return log_oom();
}
+ r = sd_bus_message_open_container(m, 'v', "(bas)");
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_open_container(m, 'r', "bas");
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_append_basic(m, 'b', &whitelist);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_append_strv(m, l);
+ if (r < 0)
+ return bus_log_create_error(r);
+
r = sd_bus_message_close_container(m);
if (r < 0)
return bus_log_create_error(r);
r = sd_bus_message_close_container(m);
+ if (r < 0)
+ return bus_log_create_error(r);
} else if (streq(field, "SystemCallArchitectures")) {
const char *p;
@@ -691,27 +698,15 @@ int bus_append_unit_property_assignment(sd_bus_message *m, const char *assignmen
} else if (streq(field, "RestrictAddressFamilies")) {
int whitelist;
- const char *p;
+ _cleanup_strv_free_ char **l = NULL;
+ const char *p = eq;
- r = sd_bus_message_open_container(m, 'v', "bas");
- if (r < 0)
- return bus_log_create_error(r);
-
- p = eq;
if (*p == '~') {
whitelist = 0;
p++;
} else
whitelist = 1;
- r = sd_bus_message_append_basic(m, 'b', &whitelist);
- if (r < 0)
- return bus_log_create_error(r);
-
- r = sd_bus_message_open_container(m, 'a', "s");
- if (r < 0)
- return bus_log_create_error(r);
-
for (;;) {
_cleanup_free_ char *word = NULL;
@@ -721,19 +716,35 @@ int bus_append_unit_property_assignment(sd_bus_message *m, const char *assignmen
if (r == 0)
break;
- r = sd_bus_message_append_basic(m, 's', word);
+ r = strv_extend(&l, word);
if (r < 0)
- return bus_log_create_error(r);
+ return log_oom();
}
- r = sd_bus_message_close_container(m);
+ r = sd_bus_message_open_container(m, 'v', "(bas)");
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_open_container(m, 'r', "bas");
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_append_basic(m, 'b', &whitelist);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_append_strv(m, l);
if (r < 0)
return bus_log_create_error(r);
r = sd_bus_message_close_container(m);
+ if (r < 0)
+ return bus_log_create_error(r);
+ r = sd_bus_message_close_container(m);
+ if (r < 0)
+ return bus_log_create_error(r);
#endif
-
} else if (streq(field, "FileDescriptorStoreMax")) {
unsigned u;
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