diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/core/dbus-execute.c | 2 | ||||
-rw-r--r-- | src/core/execute.c | 2 | ||||
-rw-r--r-- | src/core/load-fragment.c | 2 | ||||
-rw-r--r-- | src/shared/bus-unit-util.c | 2 | ||||
-rw-r--r-- | src/shared/bus-util.c | 2 | ||||
-rw-r--r-- | src/shared/nsflags.c | 49 | ||||
-rw-r--r-- | src/shared/nsflags.h | 6 | ||||
-rw-r--r-- | src/shared/seccomp-util.c | 2 | ||||
-rw-r--r-- | src/test/test-seccomp.c | 45 |
9 files changed, 46 insertions, 66 deletions
diff --git a/src/core/dbus-execute.c b/src/core/dbus-execute.c index afe7545a0e..e0abf38475 100644 --- a/src/core/dbus-execute.c +++ b/src/core/dbus-execute.c @@ -1207,7 +1207,7 @@ static BUS_DEFINE_SET_TRANSIENT_PARSE_PTR(personality, unsigned long, parse_pers static BUS_DEFINE_SET_TRANSIENT_TO_STRING_ALLOC(secure_bits, "i", int32_t, int, "%" PRIi32, secure_bits_to_string_alloc_with_check); static BUS_DEFINE_SET_TRANSIENT_TO_STRING_ALLOC(capability, "t", uint64_t, uint64_t, "%" PRIu64, capability_set_to_string_alloc); static BUS_DEFINE_SET_TRANSIENT_TO_STRING_ALLOC(sched_policy, "i", int32_t, int, "%" PRIi32, sched_policy_to_string_alloc_with_check); -static BUS_DEFINE_SET_TRANSIENT_TO_STRING_ALLOC(namespace_flag, "t", uint64_t, unsigned long, "%" PRIu64, namespace_flag_to_string_many); +static BUS_DEFINE_SET_TRANSIENT_TO_STRING_ALLOC(namespace_flag, "t", uint64_t, unsigned long, "%" PRIu64, namespace_flags_to_string); static BUS_DEFINE_SET_TRANSIENT_TO_STRING(mount_flags, "t", uint64_t, unsigned long, "%" PRIu64, mount_propagation_flags_to_string_with_check); int bus_exec_context_set_transient_property( diff --git a/src/core/execute.c b/src/core/execute.c index 11bf176f6b..a910eb89a3 100644 --- a/src/core/execute.c +++ b/src/core/execute.c @@ -4265,7 +4265,7 @@ void exec_context_dump(const ExecContext *c, FILE* f, const char *prefix) { if (exec_context_restrict_namespaces_set(c)) { _cleanup_free_ char *s = NULL; - r = namespace_flag_to_string_many(c->restrict_namespaces, &s); + r = namespace_flags_to_string(c->restrict_namespaces, &s); if (r >= 0) fprintf(f, "%sRestrictNamespaces: %s\n", prefix, s); diff --git a/src/core/load-fragment.c b/src/core/load-fragment.c index d2a4c18bb8..dc9914b276 100644 --- a/src/core/load-fragment.c +++ b/src/core/load-fragment.c @@ -3145,7 +3145,7 @@ int config_parse_restrict_namespaces( else { /* Not a boolean argument, in this case it's a list of namespace types. */ - r = namespace_flag_from_string_many(rvalue, &c->restrict_namespaces); + r = namespace_flags_from_string(rvalue, &c->restrict_namespaces); if (r < 0) { log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse namespace type string, ignoring: %s", rvalue); return 0; diff --git a/src/shared/bus-unit-util.c b/src/shared/bus-unit-util.c index 78d5141053..1a375ac88b 100644 --- a/src/shared/bus-unit-util.c +++ b/src/shared/bus-unit-util.c @@ -1016,7 +1016,7 @@ static int bus_append_execute_property(sd_bus_message *m, const char *field, con else if (r == 0) flags = NAMESPACE_FLAGS_ALL; else { - r = namespace_flag_from_string_many(eq, &flags); + r = namespace_flags_from_string(eq, &flags); if (r < 0) return log_error_errno(r, "Failed to parse %s value %s.", field, eq); } diff --git a/src/shared/bus-util.c b/src/shared/bus-util.c index a14e87d1ba..02dea810fb 100644 --- a/src/shared/bus-util.c +++ b/src/shared/bus-util.c @@ -716,7 +716,7 @@ int bus_print_property(const char *name, sd_bus_message *m, bool value, bool all else if ((u & NAMESPACE_FLAGS_ALL) == NAMESPACE_FLAGS_ALL) result = "no"; else { - r = namespace_flag_to_string_many(u, &s); + r = namespace_flags_to_string(u, &s); if (r < 0) return r; diff --git a/src/shared/nsflags.c b/src/shared/nsflags.c index 4e01976d58..baac16bbb4 100644 --- a/src/shared/nsflags.c +++ b/src/shared/nsflags.c @@ -25,32 +25,7 @@ const struct namespace_flag_map namespace_flag_map[] = { {} }; -const char* namespace_flag_to_string(unsigned long flag) { - unsigned i; - - flag &= NAMESPACE_FLAGS_ALL; - - for (i = 0; namespace_flag_map[i].name; i++) - if (flag == namespace_flag_map[i].flag) - return namespace_flag_map[i].name; - - return NULL; /* either unknown namespace flag, or a combination of many. This call supports neither. */ -} - -unsigned long namespace_flag_from_string(const char *name) { - unsigned i; - - if (isempty(name)) - return 0; - - for (i = 0; namespace_flag_map[i].name; i++) - if (streq(name, namespace_flag_map[i].name)) - return namespace_flag_map[i].flag; - - return 0; -} - -int namespace_flag_from_string_many(const char *name, unsigned long *ret) { +int namespace_flags_from_string(const char *name, unsigned long *ret) { unsigned long flags = 0; int r; @@ -58,7 +33,8 @@ int namespace_flag_from_string_many(const char *name, unsigned long *ret) { for (;;) { _cleanup_free_ char *word = NULL; - unsigned long f; + unsigned long f = 0; + unsigned i; r = extract_first_word(&name, &word, NULL, 0); if (r < 0) @@ -66,7 +42,12 @@ int namespace_flag_from_string_many(const char *name, unsigned long *ret) { if (r == 0) break; - f = namespace_flag_from_string(word); + for (i = 0; namespace_flag_map[i].name; i++) + if (streq(word, namespace_flag_map[i].name)) { + f = namespace_flag_map[i].flag; + break; + } + if (f == 0) return -EINVAL; @@ -77,7 +58,7 @@ int namespace_flag_from_string_many(const char *name, unsigned long *ret) { return 0; } -int namespace_flag_to_string_many(unsigned long flags, char **ret) { +int namespace_flags_to_string(unsigned long flags, char **ret) { _cleanup_free_ char *s = NULL; unsigned i; @@ -85,14 +66,8 @@ int namespace_flag_to_string_many(unsigned long flags, char **ret) { if ((flags & namespace_flag_map[i].flag) != namespace_flag_map[i].flag) continue; - if (!s) { - s = strdup(namespace_flag_map[i].name); - if (!s) - return -ENOMEM; - } else { - if (!strextend(&s, " ", namespace_flag_map[i].name, NULL)) - return -ENOMEM; - } + if (!strextend_with_separator(&s, " ", namespace_flag_map[i].name, NULL)) + return -ENOMEM; } if (!s) { diff --git a/src/shared/nsflags.h b/src/shared/nsflags.h index fb4b249d94..d3ed5c3857 100644 --- a/src/shared/nsflags.h +++ b/src/shared/nsflags.h @@ -24,10 +24,8 @@ CLONE_NEWUSER| \ CLONE_NEWUTS)) -const char* namespace_flag_to_string(unsigned long flag); -unsigned long namespace_flag_from_string(const char *name); -int namespace_flag_from_string_many(const char *name, unsigned long *ret); -int namespace_flag_to_string_many(unsigned long flags, char **ret); +int namespace_flags_from_string(const char *name, unsigned long *ret); +int namespace_flags_to_string(unsigned long flags, char **ret); struct namespace_flag_map { unsigned long flag; diff --git a/src/shared/seccomp-util.c b/src/shared/seccomp-util.c index 8332942002..cddfc05bd3 100644 --- a/src/shared/seccomp-util.c +++ b/src/shared/seccomp-util.c @@ -1007,7 +1007,7 @@ int seccomp_restrict_namespaces(unsigned long retain) { if (DEBUG_LOGGING) { _cleanup_free_ char *s = NULL; - (void) namespace_flag_to_string_many(retain, &s); + (void) namespace_flags_to_string(retain, &s); log_debug("Restricting namespace to: %s.", strna(s)); } diff --git a/src/test/test-seccomp.c b/src/test/test-seccomp.c index 155ce5cfbf..6062ca1baf 100644 --- a/src/test/test-seccomp.c +++ b/src/test/test-seccomp.c @@ -133,29 +133,36 @@ static void test_filter_sets(void) { } static void test_restrict_namespace(void) { - _cleanup_free_ char *s = NULL; + char *s = NULL; unsigned long ul; pid_t pid; - assert_se(namespace_flag_to_string(0) == NULL); - assert_se(streq(namespace_flag_to_string(CLONE_NEWNS), "mnt")); - assert_se(namespace_flag_to_string(CLONE_NEWNS|CLONE_NEWIPC) == NULL); - assert_se(streq(namespace_flag_to_string(CLONE_NEWCGROUP), "cgroup")); - - assert_se(namespace_flag_from_string("mnt") == CLONE_NEWNS); - assert_se(namespace_flag_from_string(NULL) == 0); - assert_se(namespace_flag_from_string("") == 0); - assert_se(namespace_flag_from_string("uts") == CLONE_NEWUTS); - assert_se(namespace_flag_from_string(namespace_flag_to_string(CLONE_NEWUTS)) == CLONE_NEWUTS); - assert_se(streq(namespace_flag_to_string(namespace_flag_from_string("ipc")), "ipc")); - - assert_se(namespace_flag_from_string_many(NULL, &ul) == 0 && ul == 0); - assert_se(namespace_flag_from_string_many("", &ul) == 0 && ul == 0); - assert_se(namespace_flag_from_string_many("mnt uts ipc", &ul) == 0 && ul == (CLONE_NEWNS|CLONE_NEWUTS|CLONE_NEWIPC)); - - assert_se(namespace_flag_to_string_many(NAMESPACE_FLAGS_ALL, &s) == 0); + assert_se(namespace_flags_to_string(0, &s) == 0 && streq(s, "")); + s = mfree(s); + assert_se(namespace_flags_to_string(CLONE_NEWNS, &s) == 0 && streq(s, "mnt")); + s = mfree(s); + assert_se(namespace_flags_to_string(CLONE_NEWNS|CLONE_NEWIPC, &s) == 0 && streq(s, "ipc mnt")); + s = mfree(s); + assert_se(namespace_flags_to_string(CLONE_NEWCGROUP, &s) == 0 && streq(s, "cgroup")); + s = mfree(s); + + assert_se(namespace_flags_from_string("mnt", &ul) == 0 && ul == CLONE_NEWNS); + assert_se(namespace_flags_from_string(NULL, &ul) == 0 && ul == 0); + assert_se(namespace_flags_from_string("", &ul) == 0 && ul == 0); + assert_se(namespace_flags_from_string("uts", &ul) == 0 && ul == CLONE_NEWUTS); + assert_se(namespace_flags_from_string("mnt uts ipc", &ul) == 0 && ul == (CLONE_NEWNS|CLONE_NEWUTS|CLONE_NEWIPC)); + + assert_se(namespace_flags_to_string(CLONE_NEWUTS, &s) == 0 && streq(s, "uts")); + assert_se(namespace_flags_from_string(s, &ul) == 0 && ul == CLONE_NEWUTS); + s = mfree(s); + assert_se(namespace_flags_from_string("ipc", &ul) == 0 && ul == CLONE_NEWIPC); + assert_se(namespace_flags_to_string(ul, &s) == 0 && streq(s, "ipc")); + s = mfree(s); + + assert_se(namespace_flags_to_string(NAMESPACE_FLAGS_ALL, &s) == 0); assert_se(streq(s, "cgroup ipc net mnt pid user uts")); - assert_se(namespace_flag_from_string_many(s, &ul) == 0 && ul == NAMESPACE_FLAGS_ALL); + assert_se(namespace_flags_from_string(s, &ul) == 0 && ul == NAMESPACE_FLAGS_ALL); + s = mfree(s); if (!is_seccomp_available()) return; |