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pcrlock: add vl method for list-components

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Add varlink method wrapper for list-components verb.
This commit is contained in:
Luca Boccassi
2026-07-08 16:22:05 +01:00
parent 9ae50c78cc
commit feda6f31d8
3 changed files with 92 additions and 9 deletions
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src/pcrlock/pcrlock.c
+72 -9
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@@ -2674,18 +2674,12 @@ static int verb_show_cel(int argc, char *argv[], uintptr_t _data, void *userdata
return 0;
}
VERB_NOARG(verb_list_components, "list-components",
"List defined .pcrlock components");
static int verb_list_components(int argc, char *argv[], uintptr_t _data, void *userdata) {
static int event_log_load_and_process_components(EventLog **ret) {
_cleanup_(event_log_freep) EventLog *el = NULL;
_cleanup_(table_unrefp) Table *table = NULL;
enum {
BEFORE_LOCATION,
BETWEEN_LOCATION,
AFTER_LOCATION,
} loc = BEFORE_LOCATION;
int r;
assert(ret);
el = event_log_new();
if (!el)
return log_oom();
@@ -2702,6 +2696,26 @@ static int verb_list_components(int argc, char *argv[], uintptr_t _data, void *u
if (r < 0)
return r;
*ret = TAKE_PTR(el);
return 0;
}
VERB_NOARG(verb_list_components, "list-components",
"List defined .pcrlock components");
static int verb_list_components(int argc, char *argv[], uintptr_t _data, void *userdata) {
_cleanup_(event_log_freep) EventLog *el = NULL;
_cleanup_(table_unrefp) Table *table = NULL;
enum {
BEFORE_LOCATION,
BETWEEN_LOCATION,
AFTER_LOCATION,
} loc = BEFORE_LOCATION;
int r;
r = event_log_load_and_process_components(&el);
if (r < 0)
return r;
table = table_new("id", "variants");
if (!table)
return log_oom();
@@ -5442,6 +5456,54 @@ static int vl_method_read_event_log(sd_varlink *link, sd_json_variant *parameter
return 0;
}
static int vl_method_list_components(sd_varlink *link, sd_json_variant *parameters, sd_varlink_method_flags_t flags, void *userdata) {
_cleanup_(event_log_freep) EventLog *el = NULL;
int r;
assert(link);
assert(FLAGS_SET(flags, SD_VARLINK_METHOD_MORE));
r = sd_varlink_dispatch(link, parameters, /* dispatch_table= */ NULL, /* userdata= */ NULL);
if (r != 0)
return r;
r = event_log_load_and_process_components(&el);
if (r < 0)
return r;
r = sd_varlink_set_sentinel(link, NULL);
if (r < 0)
return r;
FOREACH_ARRAY(c, el->components, el->n_components) {
_cleanup_(sd_json_variant_unrefp) sd_json_variant *variants = NULL;
FOREACH_ARRAY(variant, (*c)->variants, (*c)->n_variants) {
r = sd_json_variant_append_arraybo(
&variants,
SD_JSON_BUILD_PAIR_STRING("id", (*variant)->id),
SD_JSON_BUILD_PAIR_STRING("path", (*variant)->path));
if (r < 0)
return r;
}
if (!variants) {
r = sd_json_variant_new_array(&variants, NULL, 0);
if (r < 0)
return r;
}
r = sd_varlink_replybo(
link,
SD_JSON_BUILD_PAIR_STRING("id", (*c)->id),
SD_JSON_BUILD_PAIR_VARIANT("variants", variants));
if (r < 0)
return r;
}
return 0;
}
typedef struct MethodMakePolicyParameters {
bool force;
} MethodMakePolicyParameters;
@@ -5614,6 +5676,7 @@ static int run(int argc, char *argv[]) {
r = sd_varlink_server_bind_method_many(
varlink_server,
"io.systemd.PCRLock.ReadEventLog", vl_method_read_event_log,
"io.systemd.PCRLock.ListComponents", vl_method_list_components,
"io.systemd.PCRLock.MakePolicy", vl_method_make_policy,
"io.systemd.PCRLock.RemovePolicy", vl_method_remove_policy,
"io.systemd.PCRLock.Lock", vl_method_lock,