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C: check-root-user.c

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This commit is contained in:
Alexander Popov 2024-05-16 20:40:00 +03:00
parent 60ba2c59e7
commit bbed68cff2
Signed by: iiiypuk
GPG Key ID: E47FE0AB36CD5ED6
4 changed files with 123 additions and 110 deletions
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5
code/C/.clang-format Normal file
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@ -0,0 +1,5 @@
Language: Cpp
BasedOnStyle: LLVM
IndentWidth: 2
ColumnLimit: 132
SortIncludes: Never

18
code/C/System/check-root-user.c Normal file
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@ -0,0 +1,18 @@
/**
* https://man.openbsd.org/getuid
*/
#include <unistd.h>
#include <stdio.h>
void main(int argc, char const *argv[]) {
uid_t user = getuid();
uid_t privs = geteuid();
printf("User: %u\n", user);
printf("Privs: %u\n", privs);
puts("::");
char *login = getlogin();
printf("%s\n", login);
}

21
code/C/Web/ulfius-server/server.h
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@ -3,10 +3,8 @@ atomic_bool running = true;
#define PORT 8000
#define PREFIX "/api"
int callback_default(const struct _u_request *request,
struct _u_response *response, void *user_data);
int callback_all_test_foo(const struct _u_request *request,
struct _u_response *response, void *user_data);
int callback_default(const struct _u_request *request, struct _u_response *response, void *user_data);
int callback_all_test_foo(const struct _u_request *request, struct _u_response *response, void *user_data);
void *thread_server(void *vargp) {
int ret;
@ -18,10 +16,8 @@ void *thread_server(void *vargp) {
instance.max_post_body_size = 1024;
ulfius_add_endpoint_by_val(&instance, "GET", PREFIX, "/param/:name", 0,
&callback_all_test_foo, "user data 1");
ulfius_add_endpoint_by_val(&instance, "POST", PREFIX, "/param/:name", 0,
&callback_all_test_foo, "user data 2");
ulfius_add_endpoint_by_val(&instance, "GET", PREFIX, "/param/:name", 0, &callback_all_test_foo, "user data 1");
ulfius_add_endpoint_by_val(&instance, "POST", PREFIX, "/param/:name", 0, &callback_all_test_foo, "user data 2");
ulfius_set_default_endpoint(&instance, &callback_default, NULL);
@ -41,18 +37,15 @@ void *thread_server(void *vargp) {
ulfius_clean_instance(&instance);
}
int callback_default(const struct _u_request *request,
struct _u_response *response, void *user_data) {
int callback_default(const struct _u_request *request, struct _u_response *response, void *user_data) {
(void)(request);
(void)(user_data);
ulfius_set_string_body_response(response, 404,
"Page not found, do what you want");
ulfius_set_string_body_response(response, 404, "Page not found, do what you want");
return U_CALLBACK_CONTINUE;
}
int callback_all_test_foo(const struct _u_request *request,
struct _u_response *response, void *user_data) {
int callback_all_test_foo(const struct _u_request *request, struct _u_response *response, void *user_data) {
// url_params = request->map_url
// post_params = request->map_post_body

189
code/C/Web/webui/call_c_from_js.c
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@ -2,128 +2,125 @@
#include "webui.h"
void my_function_string(webui_event_t* e) {
void my_function_string(webui_event_t *e) {
// JavaScript:
// webui_fn('MyID_One', 'Hello');
// JavaScript:
// webui_fn('MyID_One', 'Hello');
const char* str = webui_get_string(e);
printf("my_function_string: %s\n", str); // Hello
const char *str = webui_get_string(e);
printf("my_function_string: %s\n", str); // Hello
// Need Multiple Arguments?
//
// WebUI support only one argument. To get multiple arguments
// you can send a JSON string from JavaScript then decode it.
// Example:
//
// my_json = my_json_decoder(str);
// foo = my_json[0];
// bar = my_json[1];
// Need Multiple Arguments?
//
// WebUI support only one argument. To get multiple arguments
// you can send a JSON string from JavaScript then decode it.
// Example:
//
// my_json = my_json_decoder(str);
// foo = my_json[0];
// bar = my_json[1];
}
void my_function_integer(webui_event_t* e) {
void my_function_integer(webui_event_t *e) {
// JavaScript:
// webui_fn('MyID_Two', 123456789);
// JavaScript:
// webui_fn('MyID_Two', 123456789);
long long number = webui_get_int(e);
printf("my_function_integer: %lld\n", number); // 123456789
long long number = webui_get_int(e);
printf("my_function_integer: %lld\n", number); // 123456789
}
void my_function_boolean(webui_event_t* e) {
void my_function_boolean(webui_event_t *e) {
// JavaScript:
// webui_fn('MyID_Three', true);
// JavaScript:
// webui_fn('MyID_Three', true);
bool status = webui_get_bool(e); // True
if(status)
printf("my_function_boolean: True\n");
else
printf("my_function_boolean: False\n");
bool status = webui_get_bool(e); // True
if (status)
printf("my_function_boolean: True\n");
else
printf("my_function_boolean: False\n");
}
void my_function_with_response(webui_event_t* e) {
void my_function_with_response(webui_event_t *e) {
// JavaScript:
// const result = webui_fn('MyID_Four', number);
// JavaScript:
// const result = webui_fn('MyID_Four', number);
long long number = webui_get_int(e);
number = number * 2;
printf("my_function_with_response: %lld\n", number);
long long number = webui_get_int(e);
number = number * 2;
printf("my_function_with_response: %lld\n", number);
// Send back the response to JavaScript
webui_return_int(e, number);
// Send back the response to JavaScript
webui_return_int(e, number);
}
int main() {
// HTML
const char* my_html =
"<html>"
" <head>"
" <title>Call C from JavaScript Example</title>"
" <style>"
" body {"
" color: white;"
" background: #0F2027;"
" text-align: center;"
" font-size: 16px;"
" font-family: sans-serif;"
" }"
" </style>"
" </head>"
" <body>"
" <h2>WebUI - Call C from JavaScript Example</h2>"
" <p>Call C function with argument (<em>See the logs in your terminal</em>)</p>"
" <br>"
" <button onclick=\"webui_fn('MyID_One', 'Hello');\">Call my_function_string()</button>"
" <br>"
" <br>"
" <button onclick=\"webui_fn('MyID_Two', 123456789);\">Call my_function_integer()</button>"
" <br>"
" <br>"
" <button onclick=\"webui_fn('MyID_Three', true);\">Call my_function_boolean()</button>"
" <br>"
" <br>"
" <p>Call C function and wait for the response</p>"
" <br>"
" <button onclick=\"MyJS();\">Call my_function_with_response()</button>"
" <br>"
" <br>"
" <input type=\"text\" id=\"MyInputID\" value=\"2\">"
" <script>"
" function MyJS() {"
" const MyInput = document.getElementById('MyInputID');"
" const number = MyInput.value;"
" webui_fn('MyID_Four', number).then((response) => {"
" MyInput.value = response;"
" });"
" }"
" </script>"
" <script src=\"/webui.js\"></script>"
" </body>"
"</html>";
// HTML
const char *my_html = "<html>"
" <head>"
" <title>Call C from JavaScript Example</title>"
" <style>"
" body {"
" color: white;"
" background: #0F2027;"
" text-align: center;"
" font-size: 16px;"
" font-family: sans-serif;"
" }"
" </style>"
" </head>"
" <body>"
" <h2>WebUI - Call C from JavaScript Example</h2>"
" <p>Call C function with argument (<em>See the logs in your terminal</em>)</p>"
" <br>"
" <button onclick=\"webui_fn('MyID_One', 'Hello');\">Call my_function_string()</button>"
" <br>"
" <br>"
" <button onclick=\"webui_fn('MyID_Two', 123456789);\">Call my_function_integer()</button>"
" <br>"
" <br>"
" <button onclick=\"webui_fn('MyID_Three', true);\">Call my_function_boolean()</button>"
" <br>"
" <br>"
" <p>Call C function and wait for the response</p>"
" <br>"
" <button onclick=\"MyJS();\">Call my_function_with_response()</button>"
" <br>"
" <br>"
" <input type=\"text\" id=\"MyInputID\" value=\"2\">"
" <script>"
" function MyJS() {"
" const MyInput = document.getElementById('MyInputID');"
" const number = MyInput.value;"
" webui_fn('MyID_Four', number).then((response) => {"
" MyInput.value = response;"
" });"
" }"
" </script>"
" <script src=\"/webui.js\"></script>"
" </body>"
"</html>";
// Create a window
size_t my_window = webui_new_window();
// Create a window
size_t my_window = webui_new_window();
// Bind HTML elements with C functions
webui_bind(my_window, "MyID_One", my_function_string);
webui_bind(my_window, "MyID_Two", my_function_integer);
webui_bind(my_window, "MyID_Three", my_function_boolean);
webui_bind(my_window, "MyID_Four", my_function_with_response);
// Bind HTML elements with C functions
webui_bind(my_window, "MyID_One", my_function_string);
webui_bind(my_window, "MyID_Two", my_function_integer);
webui_bind(my_window, "MyID_Three", my_function_boolean);
webui_bind(my_window, "MyID_Four", my_function_with_response);
// Show the window
webui_show(my_window, my_html); // webui_show_browser(my_window, my_html, Chrome);
// Show the window
webui_show(my_window, my_html); // webui_show_browser(my_window, my_html, Chrome);
// Wait until all windows get closed
webui_wait();
// Wait until all windows get closed
webui_wait();
return 0;
return 0;
}
#if defined(_MSC_VER)
int APIENTRY WinMain(HINSTANCE hInst, HINSTANCE hInstPrev, PSTR cmdline, int cmdshow) {
return main();
}
int APIENTRY WinMain(HINSTANCE hInst, HINSTANCE hInstPrev, PSTR cmdline, int cmdshow) { return main(); }
#endif