1#include "common/printing.h"
2#include "common/jsonconfig.h"
3#include "common/time.h"
4#include "common/strutil.h"
5#include "detection/users/users.h"
6#include "modules/users/users.h"
7
8#pragma GCC diagnostic ignored "-Wformat" // warning: unknown conversion type character 'F' in format
9
10bool ffPrintUsers(FFUsersOptions* options) {
11 FF_LIST_AUTO_DESTROY users = ffListCreate();
12
13 const char* error = ffDetectUsers(options, &users);
14
15 if (error) {
16 ffPrintError(FF_MODULE_GET_DISPLAY_NAME(Users), 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", error);
17 return false;
18 }
19
20 if (users.length == 0) {
21 ffPrintError(FF_MODULE_GET_DISPLAY_NAME(Users), 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", "Unable to detect any users");
22 return false;
23 }
24
25 if (options->moduleArgs.outputFormat.length == 0) {
26 if (options->compact) {
27 ffPrintLogoAndKey(FF_MODULE_GET_DISPLAY_NAME(Users), 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT);
28
29 FF_STRBUF_AUTO_DESTROY result = ffStrbufCreate();
30 for (uint32_t i = 0; i < users.length; ++i) {
31 if (i > 0) {
32 ffStrbufAppendS(&result, ", ");
33 }
34 FFUserResult* user = FF_LIST_GET(FFUserResult, users, i);
35 ffStrbufAppend(&result, &user->name);
36 }
37 ffStrbufPutTo(&result, stdout);
38 } else {
39 for (uint32_t i = 0; i < users.length; ++i) {
40 FFUserResult* user = FF_LIST_GET(FFUserResult, users, i);
41
42 ffPrintLogoAndKey(FF_MODULE_GET_DISPLAY_NAME(Users), users.length == 1 ? 0 : (uint8_t) (i + 1), &options->moduleArgs, FF_PRINT_TYPE_DEFAULT);
43
44 FF_STRBUF_AUTO_DESTROY result = ffStrbufCreateCopy(&user->name);
45 if (user->hostName.length) {
46 ffStrbufAppendF(&result, "@%s", user->hostName.chars);
47 }
48
49 if (user->loginTime) {
50 ffStrbufAppendF(&result, " - login time %s", ffTimeToShortStr(user->loginTime));
51 }
52
53 ffStrbufPutTo(&result, stdout);
54 }
55 }
56 } else {
57 uint64_t now = ffTimeGetNow();
58 for (uint32_t i = 0; i < users.length; ++i) {
59 FFUserResult* user = FF_LIST_GET(FFUserResult, users, i);
60
61 uint64_t duration = now - user->loginTime;
62 uint32_t milliseconds = (uint32_t) (duration % 1000);
63 duration /= 1000;
64 uint32_t seconds = (uint32_t) (duration % 60);
65 duration /= 60;
66 uint32_t minutes = (uint32_t) (duration % 60);
67 duration /= 60;
68 uint32_t hours = (uint32_t) (duration % 24);
69 duration /= 24;
70 uint32_t days = (uint32_t) duration;
71
72 FFTimeGetAgeResult age = ffTimeGetAge(user->loginTime, ffTimeGetNow());
73
74 FF_PRINT_FORMAT_CHECKED(FF_MODULE_GET_DISPLAY_NAME(Users), users.length == 1 ? 0 : (uint8_t) (i + 1), &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, ((FFformatarg[]) {
75 FF_ARG(user->name, "name"),
76 FF_ARG(user->hostName, "host-name"),
77 FF_ARG(user->sessionName, "session-name"),
78 FF_ARG(user->clientIp, "client-ip"),
79 { FF_ARG_TYPE_STRING, ffTimeToShortStr(user->loginTime), "login-time" },
80 FF_ARG(days, "days"),
81 FF_ARG(hours, "hours"),
82 FF_ARG(minutes, "minutes"),
83 FF_ARG(seconds, "seconds"),
84 FF_ARG(milliseconds, "milliseconds"),
85 FF_ARG(age.years, "years"),
86 FF_ARG(age.daysOfYear, "days-of-year"),
87 FF_ARG(age.yearsFraction, "years-fraction"),
88 }));
89 }
90 }
91
92 FF_LIST_FOR_EACH (FFUserResult, user, users) {
93 ffStrbufDestroy(&user->clientIp);
94 ffStrbufDestroy(&user->hostName);
95 ffStrbufDestroy(&user->sessionName);
96 ffStrbufDestroy(&user->name);
97 }
98
99 return true;
100}
101
102void ffParseUsersJsonObject(FFUsersOptions* options, yyjson_val* module) {
103 yyjson_val *key, *val;
104 size_t idx, max;
105 yyjson_obj_foreach (module, idx, max, key, val) {
106 if (unsafe_yyjson_equals_str(key, "type") || unsafe_yyjson_equals_str(key, "condition")) {
107 continue;
108 }
109
110 if (ffJsonConfigParseModuleArgs(key, val, &options->moduleArgs)) {
111 continue;
112 }
113
114 if (unsafe_yyjson_equals_str(key, "compact")) {
115 options->compact = yyjson_get_bool(val);
116 continue;
117 }
118
119 if (unsafe_yyjson_equals_str(key, "myselfOnly")) {
120 options->myselfOnly = yyjson_get_bool(val);
121 continue;
122 }
123
124 ffPrintError(FF_MODULE_GET_DISPLAY_NAME(Users), 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", unsafe_yyjson_get_str(key));
125 }
126}
127
128[[gnu::cold]]
129void ffGenerateUsersJsonConfig(FFUsersOptions* options, yyjson_mut_doc* doc, yyjson_mut_val* module) {
130 ffJsonConfigGenerateModuleArgsConfig(doc, module, &options->moduleArgs);
131
132 yyjson_mut_obj_add_bool(doc, module, "compact", options->compact);
133
134 yyjson_mut_obj_add_bool(doc, module, "myselfOnly", options->myselfOnly);
135}
136
137bool ffGenerateUsersJsonResult(FFUsersOptions* options, yyjson_mut_doc* doc, yyjson_mut_val* module) {
138 FF_LIST_AUTO_DESTROY results = ffListCreate();
139
140 const char* error = ffDetectUsers(options, &results);
141
142 if (error) {
143 yyjson_mut_obj_add_str(doc, module, "error", error);
144 return false;
145 }
146
147 yyjson_mut_val* arr = yyjson_mut_obj_add_arr(doc, module, "result");
148 FF_LIST_FOR_EACH (FFUserResult, user, results) {
149 yyjson_mut_val* obj = yyjson_mut_arr_add_obj(doc, arr);
150 yyjson_mut_obj_add_strbuf(doc, obj, "name", &user->name);
151 yyjson_mut_obj_add_strbuf(doc, obj, "hostName", &user->hostName);
152 yyjson_mut_obj_add_strbuf(doc, obj, "sessionName", &user->sessionName);
153 yyjson_mut_obj_add_strbuf(doc, obj, "clientIp", &user->clientIp);
154 const char* pstr = ffTimeToFullStr(user->loginTime);
155 if (*pstr) {
156 yyjson_mut_obj_add_strcpy(doc, obj, "loginTime", pstr);
157 } else {
158 yyjson_mut_obj_add_null(doc, obj, "loginTime");
159 }
160 }
161
162 FF_LIST_FOR_EACH (FFUserResult, user, results) {
163 ffStrbufDestroy(&user->clientIp);
164 ffStrbufDestroy(&user->hostName);
165 ffStrbufDestroy(&user->sessionName);
166 ffStrbufDestroy(&user->name);
167 }
168
169 return true;
170}
171
172void ffInitUsersOptions(FFUsersOptions* options) {
173 ffOptionInitModuleArg(&options->moduleArgs, "");
174
175 options->compact = false;
176 options->myselfOnly = false;
177}
178
179void ffDestroyUsersOptions(FFUsersOptions* options) {
180 ffOptionDestroyModuleArg(&options->moduleArgs);
181}
182
183FFModuleBaseInfo ffUsersModuleInfo = {
184 .name = "Users",
185 .description = "Print users who are currently logged in",
186 .displayName = {
187 .en = "Users",
188 .ar = "المستخدمون",
189 .cs = "Uživatelé",
190 .de = "Benutzer",
191 .es = "Usuarios",
192 .fi = "Käyttäjät",
193 .fr = "Utilisateurs",
194 .gl = "Usuarios",
195 .he = "משתמשים",
196 .id = "Pengguna",
197 .it = "Utenti",
198 .ja = "ユーザー",
199 .ko = "사용자",
200 .pl = "Użytkownicy",
201 .pt = "Usuários",
202 .ru = "Пользователи",
203 .tr = "Kullanıcılar",
204 .uk = "Користувачі",
205 .vi = "Người dùng",
206 .zh_CN = "用户",
207 .zh_TW = "使用者",
208 },
209 .initOptions = (void*) ffInitUsersOptions,
210 .destroyOptions = (void*) ffDestroyUsersOptions,
211 .parseJsonObject = (void*) ffParseUsersJsonObject,
212 .printModule = (void*) ffPrintUsers,
213 .generateJsonResult = (void*) ffGenerateUsersJsonResult,
214 .generateJsonConfig = (void*) ffGenerateUsersJsonConfig,
215 .formatArgs = FF_FORMAT_ARG_LIST(((FFModuleFormatArg[]) {
216 { "User name", "name" },
217 { "Host name", "host-name" },
218 { "Session name", "session-name" },
219 { "Client IP", "client-ip" },
220 { "Login Time in local timezone", "login-time" },
221 { "Days after login", "days" },
222 { "Hours after login", "hours" },
223 { "Minutes after login", "minutes" },
224 { "Seconds after login", "seconds" },
225 { "Milliseconds after login", "milliseconds" },
226 { "Years integer after login", "years" },
227 { "Days of year after login", "days-of-year" },
228 { "Years fraction after login", "years-fraction" },
229 })),
230 .defaultOrder = 58,
231};