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#include "common/printing.h"
#include "common/jsonconfig.h"
#include "common/time.h"
#include "common/strutil.h"
#include "detection/users/users.h"
#include "modules/users/users.h"
#pragma GCC diagnostic ignored "-Wformat" // warning: unknown conversion type character 'F' in format
bool ffPrintUsers(FFUsersOptions* options) {
FF_LIST_AUTO_DESTROY users = ffListCreate();
const char* error = ffDetectUsers(options, &users);
if (error) {
ffPrintError(FF_USERS_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", error);
return false;
}
if (users.length == 0) {
ffPrintError(FF_USERS_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", "Unable to detect any users");
return false;
}
if (options->moduleArgs.outputFormat.length == 0) {
if (options->compact) {
ffPrintLogoAndKey(FF_USERS_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT);
FF_STRBUF_AUTO_DESTROY result = ffStrbufCreate();
for (uint32_t i = 0; i < users.length; ++i) {
if (i > 0) {
ffStrbufAppendS(&result, ", ");
}
FFUserResult* user = FF_LIST_GET(FFUserResult, users, i);
ffStrbufAppend(&result, &user->name);
}
ffStrbufPutTo(&result, stdout);
} else {
for (uint32_t i = 0; i < users.length; ++i) {
FFUserResult* user = FF_LIST_GET(FFUserResult, users, i);
ffPrintLogoAndKey(FF_USERS_MODULE_NAME, users.length == 1 ? 0 : (uint8_t) (i + 1), &options->moduleArgs, FF_PRINT_TYPE_DEFAULT);
FF_STRBUF_AUTO_DESTROY result = ffStrbufCreateCopy(&user->name);
if (user->hostName.length) {
ffStrbufAppendF(&result, "@%s", user->hostName.chars);
}
if (user->loginTime) {
ffStrbufAppendF(&result, " - login time %s", ffTimeToShortStr(user->loginTime));
}
ffStrbufPutTo(&result, stdout);
}
}
} else {
uint64_t now = ffTimeGetNow();
for (uint32_t i = 0; i < users.length; ++i) {
FFUserResult* user = FF_LIST_GET(FFUserResult, users, i);
uint64_t duration = now - user->loginTime;
uint32_t milliseconds = (uint32_t) (duration % 1000);
duration /= 1000;
uint32_t seconds = (uint32_t) (duration % 60);
duration /= 60;
uint32_t minutes = (uint32_t) (duration % 60);
duration /= 60;
uint32_t hours = (uint32_t) (duration % 24);
duration /= 24;
uint32_t days = (uint32_t) duration;
FFTimeGetAgeResult age = ffTimeGetAge(user->loginTime, ffTimeGetNow());
FF_PRINT_FORMAT_CHECKED(FF_USERS_MODULE_NAME, users.length == 1 ? 0 : (uint8_t) (i + 1), &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, ((FFformatarg[]) {
FF_ARG(user->name, "name"),
FF_ARG(user->hostName, "host-name"),
FF_ARG(user->sessionName, "session-name"),
FF_ARG(user->clientIp, "client-ip"),
{ FF_ARG_TYPE_STRING, ffTimeToShortStr(user->loginTime), "login-time" },
FF_ARG(days, "days"),
FF_ARG(hours, "hours"),
FF_ARG(minutes, "minutes"),
FF_ARG(seconds, "seconds"),
FF_ARG(milliseconds, "milliseconds"),
FF_ARG(age.years, "years"),
FF_ARG(age.daysOfYear, "days-of-year"),
FF_ARG(age.yearsFraction, "years-fraction"),
}));
}
}
FF_LIST_FOR_EACH (FFUserResult, user, users) {
ffStrbufDestroy(&user->clientIp);
ffStrbufDestroy(&user->hostName);
ffStrbufDestroy(&user->sessionName);
ffStrbufDestroy(&user->name);
}
return true;
}
void ffParseUsersJsonObject(FFUsersOptions* options, yyjson_val* module) {
yyjson_val *key, *val;
size_t idx, max;
yyjson_obj_foreach (module, idx, max, key, val) {
if (unsafe_yyjson_equals_str(key, "type") || unsafe_yyjson_equals_str(key, "condition")) {
continue;
}
if (ffJsonConfigParseModuleArgs(key, val, &options->moduleArgs)) {
continue;
}
if (unsafe_yyjson_equals_str(key, "compact")) {
options->compact = yyjson_get_bool(val);
continue;
}
if (unsafe_yyjson_equals_str(key, "myselfOnly")) {
options->myselfOnly = yyjson_get_bool(val);
continue;
}
ffPrintError(FF_USERS_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", unsafe_yyjson_get_str(key));
}
}
void ffGenerateUsersJsonConfig(FFUsersOptions* options, yyjson_mut_doc* doc, yyjson_mut_val* module) {
ffJsonConfigGenerateModuleArgsConfig(doc, module, &options->moduleArgs);
yyjson_mut_obj_add_bool(doc, module, "compact", options->compact);
yyjson_mut_obj_add_bool(doc, module, "myselfOnly", options->myselfOnly);
}
bool ffGenerateUsersJsonResult(FFUsersOptions* options, yyjson_mut_doc* doc, yyjson_mut_val* module) {
FF_LIST_AUTO_DESTROY results = ffListCreate();
const char* error = ffDetectUsers(options, &results);
if (error) {
yyjson_mut_obj_add_str(doc, module, "error", error);
return false;
}
yyjson_mut_val* arr = yyjson_mut_obj_add_arr(doc, module, "result");
FF_LIST_FOR_EACH (FFUserResult, user, results) {
yyjson_mut_val* obj = yyjson_mut_arr_add_obj(doc, arr);
yyjson_mut_obj_add_strbuf(doc, obj, "name", &user->name);
yyjson_mut_obj_add_strbuf(doc, obj, "hostName", &user->hostName);
yyjson_mut_obj_add_strbuf(doc, obj, "sessionName", &user->sessionName);
yyjson_mut_obj_add_strbuf(doc, obj, "clientIp", &user->clientIp);
const char* pstr = ffTimeToFullStr(user->loginTime);
if (*pstr) {
yyjson_mut_obj_add_strcpy(doc, obj, "loginTime", pstr);
} else {
yyjson_mut_obj_add_null(doc, obj, "loginTime");
}
}
FF_LIST_FOR_EACH (FFUserResult, user, results) {
ffStrbufDestroy(&user->clientIp);
ffStrbufDestroy(&user->hostName);
ffStrbufDestroy(&user->sessionName);
ffStrbufDestroy(&user->name);
}
return true;
}
void ffInitUsersOptions(FFUsersOptions* options) {
ffOptionInitModuleArg(&options->moduleArgs, "");
options->compact = false;
options->myselfOnly = false;
}
void ffDestroyUsersOptions(FFUsersOptions* options) {
ffOptionDestroyModuleArg(&options->moduleArgs);
}
FFModuleBaseInfo ffUsersModuleInfo = {
.name = FF_USERS_MODULE_NAME,
.description = "Print users who are currently logged in",
.initOptions = (void*) ffInitUsersOptions,
.destroyOptions = (void*) ffDestroyUsersOptions,
.parseJsonObject = (void*) ffParseUsersJsonObject,
.printModule = (void*) ffPrintUsers,
.generateJsonResult = (void*) ffGenerateUsersJsonResult,
.generateJsonConfig = (void*) ffGenerateUsersJsonConfig,
.formatArgs = FF_FORMAT_ARG_LIST(((FFModuleFormatArg[]) {
{ "User name", "name" },
{ "Host name", "host-name" },
{ "Session name", "session-name" },
{ "Client IP", "client-ip" },
{ "Login Time in local timezone", "login-time" },
{ "Days after login", "days" },
{ "Hours after login", "hours" },
{ "Minutes after login", "minutes" },
{ "Seconds after login", "seconds" },
{ "Milliseconds after login", "milliseconds" },
{ "Years integer after login", "years" },
{ "Days of year after login", "days-of-year" },
{ "Years fraction after login", "years-fraction" },
}))
};
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