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-rw-r--r--src/modules/users/users.c206
1 files changed, 206 insertions, 0 deletions
diff --git a/src/modules/users/users.c b/src/modules/users/users.c
new file mode 100644
index 0000000..5575bbe
--- /dev/null
+++ b/src/modules/users/users.c
@@ -0,0 +1,206 @@
+#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" },
+ }))
+};
generated by cgit v1.2.3 (git 2.46.0) at 2026-09-15 19:52:55 +0000