From d35c43e95f9efed3ef89bee288b8ec8f65ad2014 Mon Sep 17 00:00:00 2001
From: Lorenz Kästle <12514511+RincewindsHat@users.noreply.github.com>
Date: Tue, 25 Feb 2025 15:02:55 +0100
Subject: Revert "Migrate check_users to new ouput infrastructure"

This reverts commit 10086edbf03fd807794bcfb3fff626da69a9fdb2.
---
 plugins/check_users.d/users.c | 166 ------------------------------------------
 1 file changed, 166 deletions(-)
 delete mode 100644 plugins/check_users.d/users.c

(limited to 'plugins/check_users.d/users.c')

diff --git a/plugins/check_users.d/users.c b/plugins/check_users.d/users.c
deleted file mode 100644
index 7969ae79..00000000
--- a/plugins/check_users.d/users.c
+++ /dev/null
@@ -1,166 +0,0 @@
-#include "./users.h"
-
-#ifdef _WIN32
-#	ifdef HAVE_WTSAPI32_H
-#		include <windows.h>
-#		include <wtsapi32.h>
-#		undef ERROR
-#		define ERROR -1
-
-get_num_of_users_wrapper get_num_of_users_windows() {
-	WTS_SESSION_INFO *wtsinfo;
-	DWORD wtscount;
-
-	get_num_of_users_wrapper result = {};
-
-	if (!WTSEnumerateSessions(WTS_CURRENT_SERVER_HANDLE, 0, 1, &wtsinfo, &wtscount)) {
-		// printf(_("Could not enumerate RD sessions: %d\n"), GetLastError());
-		result.error = WINDOWS_COULD_NOT_ENUMERATE_SESSIONS;
-		return result;
-	}
-
-	for (DWORD index = 0; index < wtscount; index++) {
-		LPTSTR username;
-		DWORD size;
-
-		if (!WTSQuerySessionInformation(WTS_CURRENT_SERVER_HANDLE, wtsinfo[index].SessionId, WTSUserName, &username, &size)) {
-			continue;
-		}
-
-		int len = lstrlen(username);
-
-		WTSFreeMemory(username);
-
-		if (len == 0) {
-			continue;
-		}
-
-		if (wtsinfo[index].State == WTSActive || wtsinfo[index].State == WTSDisconnected) {
-			result.users++;
-		}
-	}
-
-	WTSFreeMemory(wtsinfo);
-	return result;
-}
-#	else // HAVE_WTSAPI32_H
-#		error On windows but without the WTSAPI32 lib
-#	endif // HAVE_WTSAPI32_H
-
-#else // _WIN32
-
-#	include "../../config.h"
-
-#	ifdef HAVE_LIBSYSTEMD
-#		include <systemd/sd-daemon.h>
-#		include <systemd/sd-login.h>
-
-get_num_of_users_wrapper get_num_of_users_systemd() {
-	get_num_of_users_wrapper result = {};
-
-	// Test whether we booted with systemd
-	if (sd_booted() > 0) {
-		int users = sd_get_sessions(NULL);
-		if (users >= 0) {
-			// Success
-			result.users = users;
-			return result;
-		}
-
-		// Failure! return the error code
-		result.errorcode = users;
-		return result;
-	}
-
-	// Looks like we are not running systemd,
-	// return with error here
-	result.errorcode = NO_SYSTEMD_ERROR;
-	return result;
-}
-#	endif
-
-#	ifdef HAVE_UTMPX_H
-#		include <utmpx.h>
-
-get_num_of_users_wrapper get_num_of_users_utmp() {
-	int users = 0;
-
-	/* get currently logged users from utmpx */
-	setutxent();
-
-	struct utmpx *putmpx;
-	while ((putmpx = getutxent()) != NULL) {
-		if (putmpx->ut_type == USER_PROCESS) {
-			users++;
-		}
-	}
-
-	endutxent();
-
-	get_num_of_users_wrapper result = {
-		.errorcode = 0,
-		.users = users,
-	};
-
-	return result;
-}
-#	endif
-
-#	ifndef HAVE_WTSAPI32_H
-#		ifndef HAVE_LIBSYSTEMD
-#			ifndef HAVE_UTMPX_H
-//  Fall back option here for the others (probably still not on windows)
-
-#				include "../popen.h"
-#				include "../common.h"
-#				include "../utils.h"
-
-get_num_of_users_wrapper get_num_of_users_who_command() {
-	/* run the command */
-	child_process = spopen(WHO_COMMAND);
-	if (child_process == NULL) {
-		// printf(_("Could not open pipe: %s\n"), WHO_COMMAND);
-		get_num_of_users_wrapper result = {
-			.errorcode = COULD_NOT_OPEN_PIPE,
-		};
-		return result;
-	}
-
-	child_stderr = fdopen(child_stderr_array[fileno(child_process)], "r");
-	if (child_stderr == NULL) {
-		// printf(_("Could not open stderr for %s\n"), WHO_COMMAND);
-		//  TODO this error should probably be reported
-	}
-
-	get_num_of_users_wrapper result = {};
-	char input_buffer[MAX_INPUT_BUFFER];
-	while (fgets(input_buffer, MAX_INPUT_BUFFER - 1, child_process)) {
-		/* increment 'users' on all lines except total user count */
-		if (input_buffer[0] != '#') {
-			result.users++;
-			continue;
-		}
-
-		/* get total logged in users */
-		if (sscanf(input_buffer, _("# users=%d"), &result.users) == 1) {
-			break;
-		}
-	}
-
-	/* check STDERR */
-	if (fgets(input_buffer, MAX_INPUT_BUFFER - 1, child_stderr)) {
-		// if this fails, something broke and the result can not be relied upon or so is the theorie here
-		result.errorcode = STDERR_COULD_NOT_BE_READ;
-	}
-	(void)fclose(child_stderr);
-
-	/* close the pipe */
-	spclose(child_process);
-
-	return result;
-}
-
-#			endif
-#		endif
-#	endif
-#endif
-- 
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