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#include "common/printing.h"
#include "common/jsonconfig.h"
#include "common/strutil.h"
#include "detection/initsystem/initsystem.h"
#include "modules/initsystem/initsystem.h"
#define FF_INITSYSTEM_DISPLAY_NAME "Init System"
bool ffPrintInitSystem(FFInitSystemOptions* options) {
bool success = false;
FFInitSystemResult result = {
.name = ffStrbufCreate(),
.exe = ffStrbufCreate(),
.version = ffStrbufCreate(),
.pid = 1,
};
const char* error = ffDetectInitSystem(&result);
if (error) {
ffPrintError(FF_INITSYSTEM_DISPLAY_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", error);
goto exit;
}
if (options->moduleArgs.outputFormat.length == 0) {
ffPrintLogoAndKey(FF_INITSYSTEM_DISPLAY_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT);
ffStrbufWriteTo(&result.name, stdout);
if (result.version.length) {
printf(" %s\n", result.version.chars);
} else {
putchar('\n');
}
} else {
FF_PRINT_FORMAT_CHECKED(FF_INITSYSTEM_DISPLAY_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, ((FFformatarg[]) {
FF_ARG(result.name, "name"),
FF_ARG(result.exe, "exe"),
FF_ARG(result.version, "version"),
FF_ARG(result.pid, "pid"),
}));
}
success = true;
exit:
ffStrbufDestroy(&result.name);
ffStrbufDestroy(&result.exe);
ffStrbufDestroy(&result.version);
return success;
}
void ffParseInitSystemJsonObject(FFInitSystemOptions* options, yyjson_val* module) {
yyjson_val *key, *val;
size_t idx, max;
yyjson_obj_foreach (module, idx, max, key, val) {
if (ffJsonConfigParseModuleArgs(key, val, &options->moduleArgs)) {
continue;
}
ffPrintError(FF_INITSYSTEM_DISPLAY_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", unsafe_yyjson_get_str(key));
}
}
void ffGenerateInitSystemJsonConfig(FFInitSystemOptions* options, yyjson_mut_doc* doc, yyjson_mut_val* module) {
ffJsonConfigGenerateModuleArgsConfig(doc, module, &options->moduleArgs);
}
bool ffGenerateInitSystemJsonResult(FF_A_UNUSED FFInitSystemOptions* options, yyjson_mut_doc* doc, yyjson_mut_val* module) {
bool success = false;
FFInitSystemResult result = {
.name = ffStrbufCreate(),
.exe = ffStrbufCreate(),
.version = ffStrbufCreate(),
.pid = 1,
};
const char* error = ffDetectInitSystem(&result);
if (error) {
yyjson_mut_obj_add_str(doc, module, "error", error);
goto exit;
}
yyjson_mut_val* obj = yyjson_mut_obj_add_obj(doc, module, "result");
yyjson_mut_obj_add_strbuf(doc, obj, "name", &result.name);
yyjson_mut_obj_add_strbuf(doc, obj, "exe", &result.exe);
yyjson_mut_obj_add_strbuf(doc, obj, "version", &result.version);
yyjson_mut_obj_add_uint(doc, obj, "pid", result.pid);
success = true;
exit:
ffStrbufDestroy(&result.name);
ffStrbufDestroy(&result.exe);
ffStrbufDestroy(&result.version);
return success;
}
void ffInitInitSystemOptions(FFInitSystemOptions* options) {
ffOptionInitModuleArg(&options->moduleArgs, "");
}
void ffDestroyInitSystemOptions(FFInitSystemOptions* options) {
ffOptionDestroyModuleArg(&options->moduleArgs);
}
FFModuleBaseInfo ffInitSystemModuleInfo = {
.name = FF_INITSYSTEM_MODULE_NAME,
.description = "Print init system (pid 1) name and version",
.initOptions = (void*) ffInitInitSystemOptions,
.destroyOptions = (void*) ffDestroyInitSystemOptions,
.parseJsonObject = (void*) ffParseInitSystemJsonObject,
.printModule = (void*) ffPrintInitSystem,
.generateJsonResult = (void*) ffGenerateInitSystemJsonResult,
.generateJsonConfig = (void*) ffGenerateInitSystemJsonConfig,
.formatArgs = FF_FORMAT_ARG_LIST(((FFModuleFormatArg[]) {
{ "Init system name", "name" },
{ "Init system exe path", "exe" },
{ "Init system version path", "version" },
{ "Init system pid", "pid" },
}))
};
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