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hostname: introduce context_get_chassis() and use it everywhere

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Follow-up for 4b35eb2579.
This commit is contained in:
Yu Watanabe 2022-01-22 23:53:09 +09:00
parent e7642152ae
commit 8c8b1800e9
1 changed files with 61 additions and 52 deletions
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113
src/hostname/hostnamed.c
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@ -166,6 +166,41 @@ static void context_read_os_release(Context *c) {
c->etc_os_release_stat = current_stat;
}
static int get_dmi_data(const char *database_key, const char *regular_key, char **ret) {
_cleanup_(sd_device_unrefp) sd_device *device = NULL;
_cleanup_free_ char *b = NULL;
const char *s = NULL;
int r;
r = sd_device_new_from_syspath(&device, "/sys/class/dmi/id");
if (r < 0)
return log_debug_errno(r, "Failed to open /sys/class/dmi/id device, ignoring: %m");
if (database_key)
(void) sd_device_get_property_value(device, database_key, &s);
if (!s && regular_key)
(void) sd_device_get_property_value(device, regular_key, &s);
if (s) {
b = strdup(s);
if (!b)
return -ENOMEM;
}
if (ret)
*ret = TAKE_PTR(b);
return !!s;
}
static int get_hardware_vendor(char **ret) {
return get_dmi_data("ID_VENDOR_FROM_DATABASE", "ID_VENDOR", ret);
}
static int get_hardware_model(char **ret) {
return get_dmi_data("ID_MODEL_FROM_DATABASE", "ID_MODEL", ret);
}
static const char* valid_chassis(const char *chassis) {
assert(chassis);
@ -318,15 +353,31 @@ try_devicetree:
return chassis;
}
static char* context_fallback_icon_name(Context *c) {
const char *chassis;
static char* context_get_chassis(Context *c) {
const char *fallback;
char *dmi;
assert(c);
if (!isempty(c->data[PROP_CHASSIS]))
return strjoin("computer-", c->data[PROP_CHASSIS]);
return strdup(c->data[PROP_CHASSIS]);
chassis = fallback_chassis();
if (get_dmi_data("ID_CHASSIS", NULL, &dmi) >= 0)
return dmi;
fallback = fallback_chassis();
if (fallback)
return strdup(fallback);
return NULL;
}
static char* context_fallback_icon_name(Context *c) {
_cleanup_free_ char *chassis = NULL;
assert(c);
chassis = context_get_chassis(c);
if (chassis)
return strjoin("computer-", chassis);
@ -464,41 +515,6 @@ static int context_write_data_machine_info(Context *c) {
return 0;
}
static int get_dmi_data(const char *database_key, const char *regular_key, char **ret) {
_cleanup_(sd_device_unrefp) sd_device *device = NULL;
_cleanup_free_ char *b = NULL;
const char *s = NULL;
int r;
r = sd_device_new_from_syspath(&device, "/sys/class/dmi/id");
if (r < 0)
return log_debug_errno(r, "Failed to open /sys/class/dmi/id device, ignoring: %m");
if (database_key)
(void) sd_device_get_property_value(device, database_key, &s);
if (!s && regular_key)
(void) sd_device_get_property_value(device, regular_key, &s);
if (s) {
b = strdup(s);
if (!b)
return -ENOMEM;
}
if (ret)
*ret = TAKE_PTR(b);
return !!s;
}
static int get_hardware_vendor(char **ret) {
return get_dmi_data("ID_VENDOR_FROM_DATABASE", "ID_VENDOR", ret);
}
static int get_hardware_model(char **ret) {
return get_dmi_data("ID_MODEL_FROM_DATABASE", "ID_MODEL", ret);
}
static int property_get_hardware_vendor(
sd_bus *bus,
const char *path,
@ -724,19 +740,14 @@ static int property_get_chassis(
void *userdata,
sd_bus_error *error) {
_cleanup_free_ char *chassis = NULL;
Context *c = userdata;
_cleanup_free_ char *dmi_chassis = NULL;
const char *name = NULL;
context_read_machine_info(c);
if (isempty(c->data[PROP_CHASSIS])) {
if (get_dmi_data("ID_CHASSIS", NULL, &dmi_chassis) <= 0)
name = fallback_chassis();
} else
name = c->data[PROP_CHASSIS];
chassis = context_get_chassis(c);
return sd_bus_message_append(reply, "s", name ?: dmi_chassis);
return sd_bus_message_append(reply, "s", chassis);
}
static int property_get_uname_field(
@ -1022,11 +1033,10 @@ static int method_get_product_uuid(sd_bus_message *m, void *userdata, sd_bus_err
}
static int method_describe(sd_bus_message *m, void *userdata, sd_bus_error *error) {
_cleanup_free_ char *hn = NULL, *dhn = NULL, *in = NULL, *text = NULL, *vendor = NULL, *model = NULL;
_cleanup_free_ char *hn = NULL, *dhn = NULL, *in = NULL, *text = NULL, *chassis = NULL, *vendor = NULL, *model = NULL;
_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
_cleanup_(json_variant_unrefp) JsonVariant *v = NULL;
sd_id128_t product_uuid = SD_ID128_NULL;
const char *chassis = NULL;
Context *c = userdata;
bool privileged;
struct utsname u;
@ -1073,8 +1083,7 @@ static int method_describe(sd_bus_message *m, void *userdata, sd_bus_error *erro
if (isempty(c->data[PROP_ICON_NAME]))
in = context_fallback_icon_name(c);
if (isempty(c->data[PROP_CHASSIS]))
chassis = fallback_chassis();
chassis = context_get_chassis(c);
assert_se(uname(&u) >= 0);
@ -1091,7 +1100,7 @@ static int method_describe(sd_bus_message *m, void *userdata, sd_bus_error *erro
JSON_BUILD_PAIR("DefaultHostname", JSON_BUILD_STRING(dhn)),
JSON_BUILD_PAIR("HostnameSource", JSON_BUILD_STRING(hostname_source_to_string(c->hostname_source))),
JSON_BUILD_PAIR("IconName", JSON_BUILD_STRING(in ?: c->data[PROP_ICON_NAME])),
JSON_BUILD_PAIR("Chassis", JSON_BUILD_STRING(chassis ?: c->data[PROP_CHASSIS])),
JSON_BUILD_PAIR("Chassis", JSON_BUILD_STRING(chassis)),
JSON_BUILD_PAIR("Deployment", JSON_BUILD_STRING(c->data[PROP_DEPLOYMENT])),
JSON_BUILD_PAIR("Location", JSON_BUILD_STRING(c->data[PROP_LOCATION])),
JSON_BUILD_PAIR("KernelName", JSON_BUILD_STRING(u.sysname)),